Warning: Permanently added '10.128.0.113' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 ignoring optional flag "type"="gce" 1970/01/01 00:01:02 parsed 1 programs [ 63.884559][ T4405] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 65.454377][ T347] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.455562][ T347] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.459189][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.464131][ T347] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.465402][ T347] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.466926][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.691891][ T4565] chnl_net:caif_netlink_parms(): no params data found [ 65.710969][ T4565] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.712094][ T4565] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.713559][ T4565] device bridge_slave_0 entered promiscuous mode [ 65.715670][ T4565] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.716674][ T4565] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.718105][ T4565] device bridge_slave_1 entered promiscuous mode [ 65.727852][ T4565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.730787][ T4565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.738902][ T4565] team0: Port device team_slave_0 added [ 65.741946][ T4565] team0: Port device team_slave_1 added [ 65.748849][ T4565] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.749822][ T4565] 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. [ 65.753912][ T4565] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.756239][ T4565] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.757189][ T4565] 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. [ 65.760783][ T4565] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.821691][ T4565] device hsr_slave_0 entered promiscuous mode [ 65.871020][ T4565] device hsr_slave_1 entered promiscuous mode [ 66.519403][ T4565] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.565938][ T4565] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.609001][ T4565] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.626476][ T4565] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.697554][ T4565] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.701629][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.703067][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.705574][ T4565] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.708147][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.709691][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.712063][ T1605] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.713209][ T1605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.715161][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.720559][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.722060][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.723682][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.724780][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.726091][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.729474][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.738274][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.740049][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.742997][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.746171][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.747781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.755819][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.757381][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.758724][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.760309][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.764493][ T4565] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.812790][ T4565] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.814641][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.815785][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.825445][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.826978][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.834843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.836815][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.838268][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.839645][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.843332][ T4565] device veth0_vlan entered promiscuous mode [ 66.847654][ T4565] device veth1_vlan entered promiscuous mode [ 66.856667][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.858163][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.859578][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.861630][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.864930][ T4565] device veth0_macvtap entered promiscuous mode [ 66.867357][ T4565] device veth1_macvtap entered promiscuous mode [ 66.874982][ T4565] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.876233][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.877530][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.878935][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.880409][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.886544][ T4565] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.888659][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.890218][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.894353][ T4565] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.895730][ T4565] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.897068][ T4565] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.898403][ T4565] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:06 executed programs: 0 [ 67.045790][ T4689] chnl_net:caif_netlink_parms(): no params data found [ 67.065511][ T4689] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.066600][ T4689] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.067996][ T4689] device bridge_slave_0 entered promiscuous mode [ 67.069962][ T4689] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.071503][ T4689] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.072981][ T4689] device bridge_slave_1 entered promiscuous mode [ 67.081624][ T4689] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.084482][ T4689] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.095315][ T4689] team0: Port device team_slave_0 added [ 67.097261][ T4689] team0: Port device team_slave_1 added [ 67.113666][ T4689] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.114787][ T4689] 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. [ 67.118872][ T4689] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.121858][ T4689] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.122939][ T4689] 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. [ 67.126860][ T4689] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.152561][ T4689] device hsr_slave_0 entered promiscuous mode [ 67.201488][ T4689] device hsr_slave_1 entered promiscuous mode [ 67.220911][ T4689] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.222089][ T4689] Cannot create hsr debugfs directory [ 67.253260][ T4689] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.050723][ T4062] Bluetooth: hci0: command 0x0409 tx timeout [ 69.611765][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.612784][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.621482][ T1979] cfg80211: failed to load regulatory.db [ 70.444893][ T4689] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.130536][ T4155] Bluetooth: hci0: command 0x041b tx timeout [ 72.824942][ T4689] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.866000][ T4689] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.985613][ T4689] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.039347][ T4689] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.091554][ T4689] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.132674][ T4689] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.210512][ T4157] Bluetooth: hci0: command 0x040f tx timeout [ 73.210777][ T4689] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.216003][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.217452][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.220019][ T4689] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.222675][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.224268][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.225810][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.226941][ T347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.228340][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.237272][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.238880][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.240269][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.241473][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.245947][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.248548][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.252221][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.253946][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.255904][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.257254][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.258863][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.262396][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.263880][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.266440][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.268014][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.270861][ T4689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.313882][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.315111][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.319100][ T4689] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.328829][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.330395][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.337608][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.339853][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.342289][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.343729][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.346129][ T4689] device veth0_vlan entered promiscuous mode [ 73.349489][ T4689] device veth1_vlan entered promiscuous mode [ 73.356854][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.358275][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.359638][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.361646][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.364139][ T4689] device veth0_macvtap entered promiscuous mode [ 73.366675][ T4689] device veth1_macvtap entered promiscuous mode [ 73.377209][ T4689] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.378831][ T4689] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.380922][ T4689] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.382654][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.384047][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.385335][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.386771][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.388851][ T4689] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.390423][ T4689] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.393269][ T4689] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.394579][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.396111][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.398728][ T4689] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.400183][ T4689] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.401875][ T4689] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.403235][ T4689] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.429963][ T347] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.432986][ T347] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.437578][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.442052][ T347] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.443389][ T347] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.445094][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:13 executed programs: 2 [ 73.560125][ T4943] loop0: detected capacity change from 0 to 32768 [ 73.678242][ T4943] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4943) [ 73.684037][ T4943] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 73.685651][ T4943] BTRFS info (device loop0): using free space tree [ 73.686694][ T4943] BTRFS info (device loop0): has skinny extents [ 73.706029][ T4943] BTRFS info (device loop0): enabling ssd optimizations [ 73.716044][ T4943] FAULT_INJECTION: forcing a failure. [ 73.716044][ T4943] name failslab, interval 1, probability 0, space 0, times 1 [ 73.718158][ T4943] CPU: 0 PID: 4943 Comm: syz.0.15 Not tainted syzkaller #0 [ 73.719209][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.720678][ T4943] Call trace: [ 73.721192][ T4943] dump_backtrace+0x0/0x43c [ 73.721850][ T4943] show_stack+0x2c/0x3c [ 73.722412][ T4943] __dump_stack+0x30/0x40 [ 73.723030][ T4943] dump_stack_lvl+0xf8/0x160 [ 73.723711][ T4943] dump_stack+0x1c/0x5c [ 73.724293][ T4943] should_fail+0x3c0/0x51c [ 73.724897][ T4943] __should_failslab+0xbc/0x10c [ 73.725559][ T4943] should_failslab+0x10/0x28 [ 73.726170][ T4943] slab_pre_alloc_hook+0x64/0xec [ 73.726840][ T4943] kmem_cache_alloc+0x94/0x3e4 [ 73.727578][ T4943] btrfs_alloc_path+0x5c/0x68 [ 73.728256][ T4943] __btrfs_run_delayed_refs+0xd70/0x3354 [ 73.729071][ T4943] btrfs_run_delayed_refs+0x124/0x46c [ 73.729850][ T4943] btrfs_commit_transaction+0x1b8/0x3044 [ 73.730647][ T4943] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 73.731477][ T4943] btrfs_ioctl+0x5f0/0xb38 [ 73.732070][ T4943] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.732754][ T4943] invoke_syscall+0x98/0x2b8 [ 73.733442][ T4943] el0_svc_common+0x138/0x258 [ 73.734074][ T4943] do_el0_svc+0x58/0x14c [ 73.734655][ T4943] el0_svc+0x78/0x1e0 [ 73.735192][ T4943] el0t_64_sync_handler+0xcc/0xe4 [ 73.735893][ T4943] el0t_64_sync+0x1a0/0x1a4 [ 73.743342][ T4943] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 73.745376][ T4943] ------------[ cut here ]------------ [ 73.746308][ T4943] WARNING: CPU: 0 PID: 4943 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 73.747741][ T4943] Modules linked in: [ 73.748254][ T4943] CPU: 0 PID: 4943 Comm: syz.0.15 Not tainted syzkaller #0 [ 73.749237][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.750693][ T4943] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.751852][ T4943] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 73.752639][ T4943] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 73.753461][ T4943] sp : ffff80001fcf77d0 [ 73.754024][ T4943] x29: ffff80001fcf77e0 x28: ffff0000dc16a000 x27: dfff800000000000 [ 73.755082][ T4943] x26: ffff0000dc16a024 x25: ffff0000d8ad8000 x24: 1fffe0001bc9be21 [ 73.756192][ T4943] x23: 1fffe0001bc9be21 x22: ffff0000de4df108 x21: 00000000fffffff4 [ 73.757334][ T4943] x20: 0000000000000051 x19: ffff0000de4df0b0 x18: 0000000000000001 [ 73.758518][ T4943] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 73.759672][ T4943] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.760923][ T4943] x11: 0000000000000000 x10: 0000000000000000 x9 : 60a2e315faa39800 [ 73.762138][ T4943] x8 : 60a2e315faa39800 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.763301][ T4943] x5 : ffff80001fcf70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 73.764430][ T4943] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.765650][ T4943] Call trace: [ 73.766120][ T4943] btrfs_run_delayed_refs+0x3f4/0x46c [ 73.766858][ T4943] btrfs_commit_transaction+0x1b8/0x3044 [ 73.767667][ T4943] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 73.768462][ T4943] btrfs_ioctl+0x5f0/0xb38 [ 73.769094][ T4943] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.769776][ T4943] invoke_syscall+0x98/0x2b8 [ 73.770420][ T4943] el0_svc_common+0x138/0x258 [ 73.771100][ T4943] do_el0_svc+0x58/0x14c [ 73.771662][ T4943] el0_svc+0x78/0x1e0 [ 73.772199][ T4943] el0t_64_sync_handler+0xcc/0xe4 [ 73.772953][ T4943] el0t_64_sync+0x1a0/0x1a4 [ 73.773596][ T4943] irq event stamp: 81690 [ 73.774183][ T4943] hardirqs last enabled at (81689): [] __up_console_sem+0xb4/0x100 [ 73.775556][ T4943] hardirqs last disabled at (81690): [] el1_dbg+0x24/0x80 [ 73.776710][ T4943] softirqs last enabled at (81646): [] handle_softirqs+0xa4c/0xbf0 [ 73.778097][ T4943] softirqs last disabled at (81577): [] __irq_exit_rcu+0x240/0x440 [ 73.779405][ T4943] ---[ end trace e9a4f3059fc254b8 ]--- [ 73.785776][ T136] device hsr_slave_0 left promiscuous mode [ 73.787271][ T4943] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 73.788837][ T4943] BTRFS info (device loop0): forced readonly [ 73.810983][ T136] device hsr_slave_1 left promiscuous mode [ 73.880707][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.881856][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.883335][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.884448][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.885830][ T136] device bridge_slave_1 left promiscuous mode [ 73.886866][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.911604][ T136] device bridge_slave_0 left promiscuous mode [ 73.912653][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.989725][ T4967] loop0: detected capacity change from 0 to 32768 [ 74.048182][ T4967] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4967) [ 74.052819][ T4967] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.054379][ T4967] BTRFS info (device loop0): using free space tree [ 74.055351][ T4967] BTRFS info (device loop0): has skinny extents [ 74.061200][ T136] device veth1_macvtap left promiscuous mode [ 74.062205][ T136] device veth0_macvtap left promiscuous mode [ 74.063438][ T136] device veth1_vlan left promiscuous mode [ 74.064305][ T136] device veth0_vlan left promiscuous mode [ 74.067992][ T4967] BTRFS info (device loop0): enabling ssd optimizations [ 74.082217][ T4967] FAULT_INJECTION: forcing a failure. [ 74.082217][ T4967] name failslab, interval 1, probability 0, space 0, times 0 [ 74.084001][ T4967] CPU: 0 PID: 4967 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 74.085173][ T4967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.086499][ T4967] Call trace: [ 74.086949][ T4967] dump_backtrace+0x0/0x43c [ 74.087599][ T4967] show_stack+0x2c/0x3c [ 74.088134][ T4967] __dump_stack+0x30/0x40 [ 74.088738][ T4967] dump_stack_lvl+0xf8/0x160 [ 74.089396][ T4967] dump_stack+0x1c/0x5c [ 74.089970][ T4967] should_fail+0x3c0/0x51c [ 74.090632][ T4967] __should_failslab+0xbc/0x10c [ 74.091364][ T4967] should_failslab+0x10/0x28 [ 74.092055][ T4967] slab_pre_alloc_hook+0x64/0xec [ 74.092758][ T4967] kmem_cache_alloc+0x94/0x3e4 [ 74.093447][ T4967] btrfs_alloc_path+0x5c/0x68 [ 74.094056][ T4967] __btrfs_run_delayed_refs+0xd70/0x3354 [ 74.094818][ T4967] btrfs_run_delayed_refs+0x124/0x46c [ 74.095598][ T4967] btrfs_commit_transaction+0x1b8/0x3044 [ 74.096463][ T4967] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.097299][ T4967] btrfs_ioctl+0x5f0/0xb38 [ 74.097951][ T4967] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.098662][ T4967] invoke_syscall+0x98/0x2b8 [ 74.099285][ T4967] el0_svc_common+0x138/0x258 [ 74.099996][ T4967] do_el0_svc+0x58/0x14c [ 74.100593][ T4967] el0_svc+0x78/0x1e0 [ 74.101104][ T4967] el0t_64_sync_handler+0xcc/0xe4 [ 74.101818][ T4967] el0t_64_sync+0x1a0/0x1a4 [ 74.111956][ T4967] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 74.113949][ T4967] ------------[ cut here ]------------ [ 74.114770][ T4967] WARNING: CPU: 1 PID: 4967 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.116238][ T4967] Modules linked in: [ 74.116816][ T4967] CPU: 1 PID: 4967 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 74.118063][ T4967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.119531][ T4967] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.120682][ T4967] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.121525][ T4967] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.122313][ T4967] sp : ffff80001fd677d0 [ 74.122891][ T4967] x29: ffff80001fd677e0 x28: ffff0000d5aea000 x27: dfff800000000000 [ 74.124046][ T4967] x26: ffff0000d5aea024 x25: ffff0000d8ad8000 x24: 1fffe0001bc9be4d [ 74.125230][ T4967] x23: 1fffe0001bc9be4d x22: ffff0000de4df268 x21: 00000000fffffff4 [ 74.126405][ T4967] x20: 0000000000000051 x19: ffff0000de4df210 x18: 0000000000000001 [ 74.127508][ T4967] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 74.128622][ T4967] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.129741][ T4967] x11: 0000000000000000 x10: 0000000000000000 x9 : cab9091a07ecc600 [ 74.130838][ T4967] x8 : cab9091a07ecc600 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.131974][ T4967] x5 : ffff80001fd670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 74.133141][ T4967] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.134337][ T4967] Call trace: [ 74.134800][ T4967] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.135556][ T4967] btrfs_commit_transaction+0x1b8/0x3044 [ 74.136310][ T4967] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.137202][ T4967] btrfs_ioctl+0x5f0/0xb38 [ 74.137897][ T4967] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.138684][ T4967] invoke_syscall+0x98/0x2b8 [ 74.139443][ T4967] el0_svc_common+0x138/0x258 [ 74.140103][ T4967] do_el0_svc+0x58/0x14c [ 74.140721][ T4967] el0_svc+0x78/0x1e0 [ 74.141344][ T4967] el0t_64_sync_handler+0xcc/0xe4 [ 74.142140][ T4967] el0t_64_sync+0x1a0/0x1a4 [ 74.142783][ T4967] irq event stamp: 79834 [ 74.143366][ T4967] hardirqs last enabled at (79833): [] __up_console_sem+0xb4/0x100 [ 74.144757][ T4967] hardirqs last disabled at (79834): [] el1_dbg+0x24/0x80 [ 74.146068][ T4967] softirqs last enabled at (79796): [] handle_softirqs+0xa4c/0xbf0 [ 74.147449][ T4967] softirqs last disabled at (79745): [] __irq_exit_rcu+0x240/0x440 [ 74.148704][ T4967] ---[ end trace e9a4f3059fc254b9 ]--- [ 74.153063][ T4967] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.154533][ T4967] BTRFS info (device loop0): forced readonly [ 74.288494][ T136] team0 (unregistering): Port device team_slave_1 removed [ 74.297231][ T136] team0 (unregistering): Port device team_slave_0 removed [ 74.302072][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.317729][ T4989] loop0: detected capacity change from 0 to 32768 [ 74.354340][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.372228][ T4989] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4989) [ 74.375629][ T4989] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.376971][ T4989] BTRFS info (device loop0): using free space tree [ 74.377896][ T4989] BTRFS info (device loop0): has skinny extents [ 74.386966][ T4989] BTRFS info (device loop0): enabling ssd optimizations [ 74.390377][ T4989] FAULT_INJECTION: forcing a failure. [ 74.390377][ T4989] name failslab, interval 1, probability 0, space 0, times 0 [ 74.392694][ T4989] CPU: 0 PID: 4989 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 74.394036][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.395590][ T4989] Call trace: [ 74.396116][ T4989] dump_backtrace+0x0/0x43c [ 74.396783][ T4989] show_stack+0x2c/0x3c [ 74.397399][ T4989] __dump_stack+0x30/0x40 [ 74.398033][ T4989] dump_stack_lvl+0xf8/0x160 [ 74.398736][ T4989] dump_stack+0x1c/0x5c [ 74.399330][ T4989] should_fail+0x3c0/0x51c [ 74.400080][ T4989] __should_failslab+0xbc/0x10c [ 74.400861][ T4989] should_failslab+0x10/0x28 [ 74.401590][ T4989] slab_pre_alloc_hook+0x64/0xec [ 74.402321][ T4989] kmem_cache_alloc+0x94/0x3e4 [ 74.403024][ T4989] start_transaction+0x4d0/0x13f0 [ 74.403734][ T4989] btrfs_start_transaction+0x34/0x44 [ 74.404548][ T4989] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 74.405354][ T4989] btrfs_ioctl+0x5f0/0xb38 [ 74.405921][ T4989] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.406613][ T4989] invoke_syscall+0x98/0x2b8 [ 74.407267][ T4989] el0_svc_common+0x138/0x258 [ 74.407955][ T4989] do_el0_svc+0x58/0x14c [ 74.408556][ T4989] el0_svc+0x78/0x1e0 [ 74.409130][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 74.409836][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 74.481805][ T4514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4514) [ 74.546703][ T136] bond0 (unregistering): Released all slaves [ 74.598954][ T5011] loop0: detected capacity change from 0 to 32768 [ 74.605499][ T5011] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.606967][ T5011] BTRFS info (device loop0): using free space tree [ 74.608047][ T5011] BTRFS info (device loop0): has skinny extents [ 74.616288][ T5011] BTRFS info (device loop0): enabling ssd optimizations [ 74.620006][ T5011] FAULT_INJECTION: forcing a failure. [ 74.620006][ T5011] name failslab, interval 1, probability 0, space 0, times 0 [ 74.622614][ T5011] CPU: 1 PID: 5011 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 74.623924][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.625499][ T5011] Call trace: [ 74.626016][ T5011] dump_backtrace+0x0/0x43c [ 74.626687][ T5011] show_stack+0x2c/0x3c [ 74.627259][ T5011] __dump_stack+0x30/0x40 [ 74.627896][ T5011] dump_stack_lvl+0xf8/0x160 [ 74.628595][ T5011] dump_stack+0x1c/0x5c [ 74.629244][ T5011] should_fail+0x3c0/0x51c [ 74.629890][ T5011] __should_failslab+0xbc/0x10c [ 74.630568][ T5011] should_failslab+0x10/0x28 [ 74.631204][ T5011] slab_pre_alloc_hook+0x64/0xec [ 74.631880][ T5011] kmem_cache_alloc+0x94/0x3e4 [ 74.632623][ T5011] btrfs_alloc_path+0x5c/0x68 [ 74.633327][ T5011] __btrfs_run_delayed_refs+0xd70/0x3354 [ 74.634142][ T5011] btrfs_run_delayed_refs+0x124/0x46c [ 74.634962][ T5011] btrfs_commit_transaction+0x1b8/0x3044 [ 74.635826][ T5011] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.636602][ T5011] btrfs_ioctl+0x5f0/0xb38 [ 74.637222][ T5011] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.637923][ T5011] invoke_syscall+0x98/0x2b8 [ 74.638614][ T5011] el0_svc_common+0x138/0x258 [ 74.639284][ T5011] do_el0_svc+0x58/0x14c [ 74.639874][ T5011] el0_svc+0x78/0x1e0 [ 74.640408][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 74.641096][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 74.649952][ T5011] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 74.652082][ T5011] ------------[ cut here ]------------ [ 74.653023][ T5011] WARNING: CPU: 1 PID: 5011 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.654514][ T5011] Modules linked in: [ 74.655084][ T5011] CPU: 1 PID: 5011 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 74.656315][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.657902][ T5011] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.659148][ T5011] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.660003][ T5011] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.660821][ T5011] sp : ffff80001ff577d0 [ 74.661453][ T5011] x29: ffff80001ff577e0 x28: ffff0000d15b6000 x27: dfff800000000000 [ 74.662672][ T5011] x26: ffff0000d15b6024 x25: ffff0000d8800000 x24: 1fffe0001bc9b64d [ 74.663806][ T5011] x23: 1fffe0001bc9b64d x22: ffff0000de4db268 x21: 00000000fffffff4 [ 74.664915][ T5011] x20: 0000000000000051 x19: ffff0000de4db210 x18: 0000000000000001 [ 74.666144][ T5011] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 74.667344][ T5011] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.668502][ T5011] x11: 0000000000000000 x10: 0000000000000000 x9 : 9ade1b7f81412c00 [ 74.669683][ T5011] x8 : 9ade1b7f81412c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.670801][ T5011] x5 : ffff80001ff570b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 74.671971][ T5011] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.673116][ T5011] Call trace: [ 74.673572][ T5011] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.674389][ T5011] btrfs_commit_transaction+0x1b8/0x3044 [ 74.675141][ T5011] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.675877][ T5011] btrfs_ioctl+0x5f0/0xb38 [ 74.676535][ T5011] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.677241][ T5011] invoke_syscall+0x98/0x2b8 [ 74.677884][ T5011] el0_svc_common+0x138/0x258 [ 74.678603][ T5011] do_el0_svc+0x58/0x14c [ 74.679223][ T5011] el0_svc+0x78/0x1e0 [ 74.679777][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 74.680529][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 74.681247][ T5011] irq event stamp: 81794 [ 74.681855][ T5011] hardirqs last enabled at (81793): [] __up_console_sem+0xb4/0x100 [ 74.683221][ T5011] hardirqs last disabled at (81794): [] el1_dbg+0x24/0x80 [ 74.684544][ T5011] softirqs last enabled at (81768): [] handle_softirqs+0xa4c/0xbf0 [ 74.685975][ T5011] softirqs last disabled at (81677): [] __irq_exit_rcu+0x240/0x440 [ 74.687347][ T5011] ---[ end trace e9a4f3059fc254ba ]--- [ 74.695773][ T5011] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.697306][ T5011] BTRFS info (device loop0): forced readonly [ 74.843436][ T5033] loop0: detected capacity change from 0 to 32768 [ 74.846033][ T5033] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5033) [ 74.848917][ T5033] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.850264][ T5033] BTRFS info (device loop0): using free space tree [ 74.851485][ T5033] BTRFS info (device loop0): has skinny extents [ 74.866997][ T5033] BTRFS info (device loop0): enabling ssd optimizations [ 74.877301][ T5033] FAULT_INJECTION: forcing a failure. [ 74.877301][ T5033] name failslab, interval 1, probability 0, space 0, times 0 [ 74.879201][ T5033] CPU: 1 PID: 5033 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 74.880565][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.882189][ T5033] Call trace: [ 74.882680][ T5033] dump_backtrace+0x0/0x43c [ 74.883402][ T5033] show_stack+0x2c/0x3c [ 74.884022][ T5033] __dump_stack+0x30/0x40 [ 74.884641][ T5033] dump_stack_lvl+0xf8/0x160 [ 74.885285][ T5033] dump_stack+0x1c/0x5c [ 74.885856][ T5033] should_fail+0x3c0/0x51c [ 74.886493][ T5033] __should_failslab+0xbc/0x10c [ 74.887186][ T5033] should_failslab+0x10/0x28 [ 74.887951][ T5033] slab_pre_alloc_hook+0x64/0xec [ 74.888716][ T5033] kmem_cache_alloc+0x94/0x3e4 [ 74.889405][ T5033] btrfs_alloc_path+0x5c/0x68 [ 74.890098][ T5033] __btrfs_free_extent+0x19c/0x1aa4 [ 74.890887][ T5033] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 74.891709][ T5033] btrfs_run_delayed_refs+0x124/0x46c [ 74.892545][ T5033] btrfs_commit_transaction+0x1b8/0x3044 [ 74.893329][ T5033] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.894144][ T5033] btrfs_ioctl+0x5f0/0xb38 [ 74.894761][ T5033] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.895496][ T5033] invoke_syscall+0x98/0x2b8 [ 74.896285][ T5033] el0_svc_common+0x138/0x258 [ 74.896955][ T5033] do_el0_svc+0x58/0x14c [ 74.897560][ T5033] el0_svc+0x78/0x1e0 [ 74.898111][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 74.898865][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 74.900839][ T5033] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 74.902849][ T5033] ------------[ cut here ]------------ [ 74.903746][ T5033] WARNING: CPU: 1 PID: 5033 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.905177][ T5033] Modules linked in: [ 74.905708][ T5033] CPU: 1 PID: 5033 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 74.906907][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.908364][ T5033] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.909490][ T5033] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.910384][ T5033] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.911223][ T5033] sp : ffff8000202677d0 [ 74.911827][ T5033] x29: ffff8000202677e0 x28: ffff0000c20ee000 x27: dfff800000000000 [ 74.913003][ T5033] x26: ffff0000c20ee024 x25: ffff0000d8800000 x24: 1fffe0001bc9b679 [ 74.914162][ T5033] x23: 1fffe0001bc9b679 x22: ffff0000de4db3c8 x21: 00000000fffffff4 [ 74.915303][ T5033] x20: 0000000000000051 x19: ffff0000de4db370 x18: 0000000000000001 [ 74.916500][ T5033] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 74.917732][ T5033] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.918999][ T5033] x11: 0000000000000000 x10: 0000000000000000 x9 : 62edc7d2e54dac00 [ 74.920177][ T5033] x8 : 62edc7d2e54dac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.921397][ T5033] x5 : ffff8000202670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 74.922557][ T5033] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.923763][ T5033] Call trace: [ 74.924237][ T5033] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.925036][ T5033] btrfs_commit_transaction+0x1b8/0x3044 [ 74.925889][ T5033] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.926629][ T5033] btrfs_ioctl+0x5f0/0xb38 [ 74.927246][ T5033] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.927982][ T5033] invoke_syscall+0x98/0x2b8 [ 74.928678][ T5033] el0_svc_common+0x138/0x258 [ 74.929375][ T5033] do_el0_svc+0x58/0x14c [ 74.930021][ T5033] el0_svc+0x78/0x1e0 [ 74.930627][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 74.931345][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 74.931996][ T5033] irq event stamp: 79684 [ 74.932627][ T5033] hardirqs last enabled at (79683): [] __up_console_sem+0xb4/0x100 [ 74.934043][ T5033] hardirqs last disabled at (79684): [] el1_dbg+0x24/0x80 [ 74.935387][ T5033] softirqs last enabled at (79644): [] handle_softirqs+0xa4c/0xbf0 [ 74.936846][ T5033] softirqs last disabled at (79627): [] __irq_exit_rcu+0x240/0x440 [ 74.938360][ T5033] ---[ end trace e9a4f3059fc254bb ]--- [ 74.941404][ T5033] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.942828][ T5033] BTRFS info (device loop0): forced readonly [ 75.095558][ T5067] loop0: detected capacity change from 0 to 32768 [ 75.134724][ T5067] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5067) [ 75.137992][ T5067] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.139413][ T5067] BTRFS info (device loop0): using free space tree [ 75.140420][ T5067] BTRFS info (device loop0): has skinny extents [ 75.153600][ T5067] BTRFS info (device loop0): enabling ssd optimizations [ 75.157487][ T5067] FAULT_INJECTION: forcing a failure. [ 75.157487][ T5067] name failslab, interval 1, probability 0, space 0, times 0 [ 75.159463][ T5067] CPU: 0 PID: 5067 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 75.160677][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.162136][ T5067] Call trace: [ 75.162550][ T5067] dump_backtrace+0x0/0x43c [ 75.163159][ T5067] show_stack+0x2c/0x3c [ 75.163742][ T5067] __dump_stack+0x30/0x40 [ 75.164348][ T5067] dump_stack_lvl+0xf8/0x160 [ 75.164986][ T5067] dump_stack+0x1c/0x5c [ 75.165589][ T5067] should_fail+0x3c0/0x51c [ 75.166183][ T5067] __should_failslab+0xbc/0x10c [ 75.166875][ T5067] should_failslab+0x10/0x28 [ 75.167500][ T5067] slab_pre_alloc_hook+0x64/0xec [ 75.168213][ T5067] kmem_cache_alloc+0x94/0x3e4 [ 75.168925][ T5067] btrfs_alloc_path+0x5c/0x68 [ 75.169599][ T5067] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.170370][ T5067] btrfs_run_delayed_refs+0x124/0x46c [ 75.171159][ T5067] btrfs_commit_transaction+0x1b8/0x3044 [ 75.171978][ T5067] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.172798][ T5067] btrfs_ioctl+0x5f0/0xb38 [ 75.173411][ T5067] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.174123][ T5067] invoke_syscall+0x98/0x2b8 [ 75.174732][ T5067] el0_svc_common+0x138/0x258 [ 75.175372][ T5067] do_el0_svc+0x58/0x14c [ 75.175964][ T5067] el0_svc+0x78/0x1e0 [ 75.176527][ T5067] el0t_64_sync_handler+0xcc/0xe4 [ 75.177220][ T5067] el0t_64_sync+0x1a0/0x1a4 [ 75.179922][ T5067] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.182064][ T5067] ------------[ cut here ]------------ [ 75.182979][ T5067] WARNING: CPU: 0 PID: 5067 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.184434][ T5067] Modules linked in: [ 75.185055][ T5067] CPU: 0 PID: 5067 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 75.186352][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.187866][ T5067] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.189071][ T5067] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.189965][ T5067] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.190870][ T5067] sp : ffff80001fd677d0 [ 75.191546][ T5067] x29: ffff80001fd677e0 x28: ffff0000ce29d000 x27: dfff800000000000 [ 75.192701][ T5067] x26: ffff0000ce29d024 x25: ffff0000da07c000 x24: 1fffe0001bc9be8f [ 75.193807][ T5067] x23: 1fffe0001bc9be8f x22: ffff0000de4df478 x21: 00000000fffffff4 [ 75.194983][ T5067] x20: 0000000000000051 x19: ffff0000de4df420 x18: 0000000000000001 [ 75.196105][ T5067] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 75.197342][ T5067] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.198522][ T5067] x11: 0000000000000000 x10: 0000000000000000 x9 : bb16a50d33d9be00 [ 75.199644][ T5067] x8 : bb16a50d33d9be00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.200777][ T5067] x5 : ffff80001fd670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 75.201925][ T5067] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.203115][ T5067] Call trace: [ 75.203593][ T5067] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.204334][ T5067] btrfs_commit_transaction+0x1b8/0x3044 [ 75.205157][ T5067] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.205923][ T5067] btrfs_ioctl+0x5f0/0xb38 [ 75.206563][ T5067] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.207295][ T5067] invoke_syscall+0x98/0x2b8 [ 75.207953][ T5067] el0_svc_common+0x138/0x258 [ 75.208629][ T5067] do_el0_svc+0x58/0x14c [ 75.209229][ T5067] el0_svc+0x78/0x1e0 [ 75.209774][ T5067] el0t_64_sync_handler+0xcc/0xe4 [ 75.210484][ T5067] el0t_64_sync+0x1a0/0x1a4 [ 75.211125][ T5067] irq event stamp: 80380 [ 75.211662][ T5067] hardirqs last enabled at (80379): [] __up_console_sem+0xb4/0x100 [ 75.213040][ T5067] hardirqs last disabled at (80380): [] el1_dbg+0x24/0x80 [ 75.214198][ T5067] softirqs last enabled at (80354): [] handle_softirqs+0xa4c/0xbf0 [ 75.215532][ T5067] softirqs last disabled at (80267): [] __irq_exit_rcu+0x240/0x440 [ 75.216756][ T5067] ---[ end trace e9a4f3059fc254bc ]--- [ 75.219578][ T5067] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.221316][ T5067] BTRFS info (device loop0): forced readonly [ 75.290616][ T4165] Bluetooth: hci0: command 0x0419 tx timeout [ 75.375569][ T5089] loop0: detected capacity change from 0 to 32768 [ 75.456331][ T5089] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5089) [ 75.459325][ T5089] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.460876][ T5089] BTRFS info (device loop0): using free space tree [ 75.462037][ T5089] BTRFS info (device loop0): has skinny extents [ 75.478394][ T5089] BTRFS info (device loop0): enabling ssd optimizations [ 75.483098][ T5089] FAULT_INJECTION: forcing a failure. [ 75.483098][ T5089] name failslab, interval 1, probability 0, space 0, times 0 [ 75.485041][ T5089] CPU: 0 PID: 5089 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 75.486316][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.487738][ T5089] Call trace: [ 75.488209][ T5089] dump_backtrace+0x0/0x43c [ 75.488816][ T5089] show_stack+0x2c/0x3c [ 75.489389][ T5089] __dump_stack+0x30/0x40 [ 75.489991][ T5089] dump_stack_lvl+0xf8/0x160 [ 75.490673][ T5089] dump_stack+0x1c/0x5c [ 75.491316][ T5089] should_fail+0x3c0/0x51c [ 75.491994][ T5089] __should_failslab+0xbc/0x10c [ 75.492784][ T5089] should_failslab+0x10/0x28 [ 75.493493][ T5089] slab_pre_alloc_hook+0x64/0xec [ 75.494243][ T5089] kmem_cache_alloc+0x94/0x3e4 [ 75.494900][ T5089] btrfs_alloc_path+0x5c/0x68 [ 75.495601][ T5089] __btrfs_free_extent+0x19c/0x1aa4 [ 75.496346][ T5089] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 75.497130][ T5089] btrfs_run_delayed_refs+0x124/0x46c [ 75.497901][ T5089] btrfs_commit_transaction+0x1b8/0x3044 [ 75.498731][ T5089] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.499517][ T5089] btrfs_ioctl+0x5f0/0xb38 [ 75.500153][ T5089] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.500838][ T5089] invoke_syscall+0x98/0x2b8 [ 75.501528][ T5089] el0_svc_common+0x138/0x258 [ 75.502211][ T5089] do_el0_svc+0x58/0x14c [ 75.502820][ T5089] el0_svc+0x78/0x1e0 [ 75.503433][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 75.504152][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 75.505521][ T5089] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 75.507287][ T5089] ------------[ cut here ]------------ [ 75.508232][ T5089] WARNING: CPU: 0 PID: 5089 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.509565][ T5089] Modules linked in: [ 75.510092][ T5089] CPU: 0 PID: 5089 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 75.511300][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.512738][ T5089] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.513824][ T5089] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.514636][ T5089] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.515435][ T5089] sp : ffff8000205177d0 [ 75.515958][ T5089] x29: ffff8000205177e0 x28: ffff0000ec6ab000 x27: dfff800000000000 [ 75.517042][ T5089] x26: ffff0000ec6ab024 x25: ffff0000da07c000 x24: 1fffe0001bc9bebb [ 75.518231][ T5089] x23: 1fffe0001bc9bebb x22: ffff0000de4df5d8 x21: 00000000fffffff4 [ 75.519381][ T5089] x20: 0000000000000051 x19: ffff0000de4df580 x18: 0000000000000001 [ 75.520451][ T5089] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 75.521531][ T5089] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.522635][ T5089] x11: 0000000000000000 x10: 0000000000000000 x9 : 1064021ade96b600 [ 75.523780][ T5089] x8 : 1064021ade96b600 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.524889][ T5089] x5 : ffff8000205170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 75.525966][ T5089] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.527102][ T5089] Call trace: [ 75.527567][ T5089] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.528317][ T5089] btrfs_commit_transaction+0x1b8/0x3044 [ 75.529134][ T5089] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.529904][ T5089] btrfs_ioctl+0x5f0/0xb38 [ 75.530479][ T5089] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.531186][ T5089] invoke_syscall+0x98/0x2b8 [ 75.531849][ T5089] el0_svc_common+0x138/0x258 [ 75.532552][ T5089] do_el0_svc+0x58/0x14c [ 75.533172][ T5089] el0_svc+0x78/0x1e0 [ 75.533740][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 75.534476][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 75.535136][ T5089] irq event stamp: 81430 [ 75.535681][ T5089] hardirqs last enabled at (81429): [] __up_console_sem+0xb4/0x100 [ 75.537092][ T5089] hardirqs last disabled at (81430): [] el1_dbg+0x24/0x80 [ 75.538357][ T5089] softirqs last enabled at (81396): [] handle_softirqs+0xa4c/0xbf0 [ 75.539792][ T5089] softirqs last disabled at (81383): [] __irq_exit_rcu+0x240/0x440 [ 75.541026][ T5089] ---[ end trace e9a4f3059fc254bd ]--- [ 75.543063][ T5089] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.544541][ T5089] BTRFS info (device loop0): forced readonly [ 75.745012][ T5112] loop0: detected capacity change from 0 to 32768 [ 75.758580][ T5112] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5112) [ 75.764950][ T5112] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.766441][ T5112] BTRFS info (device loop0): using free space tree [ 75.767506][ T5112] BTRFS info (device loop0): has skinny extents [ 75.907606][ T5112] BTRFS info (device loop0): enabling ssd optimizations [ 75.917099][ T5112] FAULT_INJECTION: forcing a failure. [ 75.917099][ T5112] name failslab, interval 1, probability 0, space 0, times 0 [ 75.919200][ T5112] CPU: 1 PID: 5112 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 75.920527][ T5112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.922088][ T5112] Call trace: [ 75.922579][ T5112] dump_backtrace+0x0/0x43c [ 75.923285][ T5112] show_stack+0x2c/0x3c [ 75.923908][ T5112] __dump_stack+0x30/0x40 [ 75.924573][ T5112] dump_stack_lvl+0xf8/0x160 [ 75.925245][ T5112] dump_stack+0x1c/0x5c [ 75.925842][ T5112] should_fail+0x3c0/0x51c [ 75.926536][ T5112] __should_failslab+0xbc/0x10c [ 75.927259][ T5112] should_failslab+0x10/0x28 [ 75.927931][ T5112] slab_pre_alloc_hook+0x64/0xec [ 75.928644][ T5112] kmem_cache_alloc+0x94/0x3e4 [ 75.929303][ T5112] btrfs_alloc_path+0x5c/0x68 [ 75.929951][ T5112] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.930790][ T5112] btrfs_run_delayed_refs+0x124/0x46c [ 75.931623][ T5112] btrfs_commit_transaction+0x1b8/0x3044 [ 75.932442][ T5112] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.933237][ T5112] btrfs_ioctl+0x5f0/0xb38 [ 75.933948][ T5112] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.934704][ T5112] invoke_syscall+0x98/0x2b8 [ 75.935389][ T5112] el0_svc_common+0x138/0x258 [ 75.936093][ T5112] do_el0_svc+0x58/0x14c [ 75.936718][ T5112] el0_svc+0x78/0x1e0 [ 75.937290][ T5112] el0t_64_sync_handler+0xcc/0xe4 [ 75.938057][ T5112] el0t_64_sync+0x1a0/0x1a4 [ 75.963301][ T5112] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.965445][ T5112] ------------[ cut here ]------------ [ 75.966424][ T5112] WARNING: CPU: 1 PID: 5112 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.967952][ T5112] Modules linked in: [ 75.968555][ T5112] CPU: 1 PID: 5112 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 75.969869][ T5112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.971218][ T5112] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.972403][ T5112] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.973180][ T5112] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.973918][ T5112] sp : ffff80001f8177d0 [ 75.974514][ T5112] x29: ffff80001f8177e0 x28: ffff0000ddc4f000 x27: dfff800000000000 [ 75.975678][ T5112] x26: ffff0000ddc4f024 x25: ffff0000da07c000 x24: 1fffe0001bc9b6a5 [ 75.976826][ T5112] x23: 1fffe0001bc9b6a5 x22: ffff0000de4db528 x21: 00000000fffffff4 [ 75.978037][ T5112] x20: 0000000000000051 x19: ffff0000de4db4d0 x18: 0000000000000001 [ 75.979168][ T5112] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 75.980294][ T5112] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.981506][ T5112] x11: 0000000000000000 x10: 0000000000000000 x9 : 33668618922e4b00 [ 75.982706][ T5112] x8 : 33668618922e4b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.983838][ T5112] x5 : ffff80001f8170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 75.985017][ T5112] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.986215][ T5112] Call trace: [ 75.986707][ T5112] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.987510][ T5112] btrfs_commit_transaction+0x1b8/0x3044 [ 75.988358][ T5112] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.989179][ T5112] btrfs_ioctl+0x5f0/0xb38 [ 75.989843][ T5112] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.990577][ T5112] invoke_syscall+0x98/0x2b8 [ 75.991233][ T5112] el0_svc_common+0x138/0x258 [ 75.991876][ T5112] do_el0_svc+0x58/0x14c [ 75.992537][ T5112] el0_svc+0x78/0x1e0 [ 75.993160][ T5112] el0t_64_sync_handler+0xcc/0xe4 [ 75.993880][ T5112] el0t_64_sync+0x1a0/0x1a4 [ 75.994507][ T5112] irq event stamp: 80278 [ 75.995093][ T5112] hardirqs last enabled at (80277): [] __up_console_sem+0xb4/0x100 [ 75.996427][ T5112] hardirqs last disabled at (80278): [] el1_dbg+0x24/0x80 [ 75.997718][ T5112] softirqs last enabled at (80240): [] handle_softirqs+0xa4c/0xbf0 [ 75.999067][ T5112] softirqs last disabled at (80221): [] __irq_exit_rcu+0x240/0x440 [ 76.000388][ T5112] ---[ end trace e9a4f3059fc254be ]--- [ 76.003164][ T5112] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.004739][ T5112] BTRFS info (device loop0): forced readonly [ 76.196147][ T5135] loop0: detected capacity change from 0 to 32768 [ 76.230505][ T5135] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5135) [ 76.235310][ T5135] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.236632][ T5135] BTRFS info (device loop0): using free space tree [ 76.237582][ T5135] BTRFS info (device loop0): has skinny extents [ 76.253026][ T5135] BTRFS info (device loop0): enabling ssd optimizations [ 76.256972][ T5135] FAULT_INJECTION: forcing a failure. [ 76.256972][ T5135] name failslab, interval 1, probability 0, space 0, times 0 [ 76.258894][ T5135] CPU: 1 PID: 5135 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 76.260038][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.261580][ T5135] Call trace: [ 76.262088][ T5135] dump_backtrace+0x0/0x43c [ 76.262726][ T5135] show_stack+0x2c/0x3c [ 76.263348][ T5135] __dump_stack+0x30/0x40 [ 76.264046][ T5135] dump_stack_lvl+0xf8/0x160 [ 76.264688][ T5135] dump_stack+0x1c/0x5c [ 76.265302][ T5135] should_fail+0x3c0/0x51c [ 76.265993][ T5135] __should_failslab+0xbc/0x10c [ 76.266704][ T5135] should_failslab+0x10/0x28 [ 76.267427][ T5135] slab_pre_alloc_hook+0x64/0xec [ 76.268168][ T5135] kmem_cache_alloc+0x94/0x3e4 [ 76.268885][ T5135] btrfs_alloc_path+0x5c/0x68 [ 76.269544][ T5135] __btrfs_run_delayed_refs+0xd70/0x3354 [ 76.270332][ T5135] btrfs_run_delayed_refs+0x124/0x46c [ 76.271115][ T5135] btrfs_commit_transaction+0x1b8/0x3044 [ 76.271944][ T5135] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.272714][ T5135] btrfs_ioctl+0x5f0/0xb38 [ 76.273338][ T5135] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.274073][ T5135] invoke_syscall+0x98/0x2b8 [ 76.274703][ T5135] el0_svc_common+0x138/0x258 [ 76.275321][ T5135] do_el0_svc+0x58/0x14c [ 76.275916][ T5135] el0_svc+0x78/0x1e0 [ 76.276533][ T5135] el0t_64_sync_handler+0xcc/0xe4 [ 76.277298][ T5135] el0t_64_sync+0x1a0/0x1a4 [ 76.279780][ T5135] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 76.281781][ T5135] ------------[ cut here ]------------ [ 76.282640][ T5135] WARNING: CPU: 1 PID: 5135 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.284240][ T5135] Modules linked in: [ 76.284845][ T5135] CPU: 1 PID: 5135 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 76.286064][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.287484][ T5135] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.288553][ T5135] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.289427][ T5135] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.290183][ T5135] sp : ffff8000207977d0 [ 76.290762][ T5135] x29: ffff8000207977e0 x28: ffff0000cd371000 x27: dfff800000000000 [ 76.291935][ T5135] x26: ffff0000cd371024 x25: ffff0000d6acc000 x24: 1fffe0001bc9b6d1 [ 76.293102][ T5135] x23: 1fffe0001bc9b6d1 x22: ffff0000de4db688 x21: 00000000fffffff4 [ 76.294312][ T5135] x20: 0000000000000051 x19: ffff0000de4db630 x18: 0000000000000001 [ 76.295516][ T5135] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 76.296615][ T5135] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.297741][ T5135] x11: 0000000000000000 x10: 0000000000000000 x9 : 023275fbb265d300 [ 76.299014][ T5135] x8 : 023275fbb265d300 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.300278][ T5135] x5 : ffff8000207970b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 76.301427][ T5135] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.302736][ T5135] Call trace: [ 76.303241][ T5135] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.304107][ T5135] btrfs_commit_transaction+0x1b8/0x3044 [ 76.304946][ T5135] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.305753][ T5135] btrfs_ioctl+0x5f0/0xb38 [ 76.306377][ T5135] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.307148][ T5135] invoke_syscall+0x98/0x2b8 [ 76.307842][ T5135] el0_svc_common+0x138/0x258 [ 76.308555][ T5135] do_el0_svc+0x58/0x14c [ 76.309242][ T5135] el0_svc+0x78/0x1e0 [ 76.309811][ T5135] el0t_64_sync_handler+0xcc/0xe4 [ 76.310515][ T5135] el0t_64_sync+0x1a0/0x1a4 [ 76.311152][ T5135] irq event stamp: 80202 [ 76.311725][ T5135] hardirqs last enabled at (80201): [] __up_console_sem+0xb4/0x100 [ 76.313090][ T5135] hardirqs last disabled at (80202): [] el1_dbg+0x24/0x80 [ 76.314340][ T5135] softirqs last enabled at (80174): [] handle_softirqs+0xa4c/0xbf0 [ 76.315695][ T5135] softirqs last disabled at (80167): [] __irq_exit_rcu+0x240/0x440 [ 76.317045][ T5135] ---[ end trace e9a4f3059fc254bf ]--- [ 76.318890][ T5135] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.320533][ T5135] BTRFS info (device loop0): forced readonly [ 76.456895][ T5157] loop0: detected capacity change from 0 to 32768 [ 76.505761][ T5157] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5157) [ 76.509582][ T5157] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.511166][ T5157] BTRFS info (device loop0): using free space tree [ 76.512225][ T5157] BTRFS info (device loop0): has skinny extents [ 76.519672][ T5157] BTRFS info (device loop0): enabling ssd optimizations [ 76.524077][ T5157] FAULT_INJECTION: forcing a failure. [ 76.524077][ T5157] name failslab, interval 1, probability 0, space 0, times 0 [ 76.525929][ T5157] CPU: 0 PID: 5157 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 76.527063][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.528579][ T5157] Call trace: [ 76.529081][ T5157] dump_backtrace+0x0/0x43c [ 76.529760][ T5157] show_stack+0x2c/0x3c [ 76.530364][ T5157] __dump_stack+0x30/0x40 [ 76.530924][ T5157] dump_stack_lvl+0xf8/0x160 [ 76.531649][ T5157] dump_stack+0x1c/0x5c [ 76.532250][ T5157] should_fail+0x3c0/0x51c [ 76.532904][ T5157] __should_failslab+0xbc/0x10c [ 76.533580][ T5157] should_failslab+0x10/0x28 [ 76.534164][ T5157] slab_pre_alloc_hook+0x64/0xec [ 76.534873][ T5157] kmem_cache_alloc+0x94/0x3e4 [ 76.535522][ T5157] btrfs_alloc_path+0x5c/0x68 [ 76.536182][ T5157] __btrfs_run_delayed_refs+0xd70/0x3354 [ 76.536961][ T5157] btrfs_run_delayed_refs+0x124/0x46c [ 76.537739][ T5157] btrfs_commit_transaction+0x1b8/0x3044 [ 76.538551][ T5157] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.539297][ T5157] btrfs_ioctl+0x5f0/0xb38 [ 76.539922][ T5157] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.540617][ T5157] invoke_syscall+0x98/0x2b8 [ 76.541254][ T5157] el0_svc_common+0x138/0x258 [ 76.541915][ T5157] do_el0_svc+0x58/0x14c [ 76.542553][ T5157] el0_svc+0x78/0x1e0 [ 76.543160][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 76.543854][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 76.545831][ T5157] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 76.547711][ T5157] ------------[ cut here ]------------ [ 76.548639][ T5157] WARNING: CPU: 0 PID: 5157 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.550144][ T5157] Modules linked in: [ 76.550704][ T5157] CPU: 0 PID: 5157 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 76.551986][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.553443][ T5157] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.554615][ T5157] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.555443][ T5157] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.556251][ T5157] sp : ffff8000207977d0 [ 76.556874][ T5157] x29: ffff8000207977e0 x28: ffff0000cf092000 x27: dfff800000000000 [ 76.558055][ T5157] x26: ffff0000cf092024 x25: ffff0000e7704000 x24: 1fffe0001bc9bee7 [ 76.559212][ T5157] x23: 1fffe0001bc9bee7 x22: ffff0000de4df738 x21: 00000000fffffff4 [ 76.560385][ T5157] x20: 0000000000000051 x19: ffff0000de4df6e0 x18: 0000000000000001 [ 76.561526][ T5157] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 76.562625][ T5157] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.563692][ T5157] x11: 0000000000000000 x10: 0000000000000000 x9 : ac4094e3d9811900 [ 76.564832][ T5157] x8 : ac4094e3d9811900 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.565991][ T5157] x5 : ffff8000207970b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 76.567228][ T5157] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.568417][ T5157] Call trace: [ 76.568880][ T5157] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.569601][ T5157] btrfs_commit_transaction+0x1b8/0x3044 [ 76.570331][ T5157] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.571082][ T5157] btrfs_ioctl+0x5f0/0xb38 [ 76.571651][ T5157] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.572330][ T5157] invoke_syscall+0x98/0x2b8 [ 76.572922][ T5157] el0_svc_common+0x138/0x258 [ 76.573523][ T5157] do_el0_svc+0x58/0x14c [ 76.574087][ T5157] el0_svc+0x78/0x1e0 [ 76.574667][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 76.575308][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 76.575912][ T5157] irq event stamp: 80672 [ 76.576473][ T5157] hardirqs last enabled at (80671): [] __up_console_sem+0xb4/0x100 [ 76.577645][ T5157] hardirqs last disabled at (80672): [] el1_dbg+0x24/0x80 [ 76.578710][ T5157] softirqs last enabled at (80634): [] handle_softirqs+0xa4c/0xbf0 [ 76.579896][ T5157] softirqs last disabled at (80621): [] __irq_exit_rcu+0x240/0x440 [ 76.581112][ T5157] ---[ end trace e9a4f3059fc254c0 ]--- [ 76.582299][ T5157] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.584350][ T5157] BTRFS info (device loop0): forced readonly [ 76.728225][ T5179] loop0: detected capacity change from 0 to 32768 [ 76.732516][ T5179] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5179) [ 76.739691][ T5179] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.741274][ T5179] BTRFS info (device loop0): using free space tree [ 76.742201][ T5179] BTRFS info (device loop0): has skinny extents [ 76.757568][ T5179] BTRFS info (device loop0): enabling ssd optimizations [ 76.762682][ T5179] FAULT_INJECTION: forcing a failure. [ 76.762682][ T5179] name failslab, interval 1, probability 0, space 0, times 0 [ 76.764635][ T5179] CPU: 1 PID: 5179 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 76.765831][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.767267][ T5179] Call trace: [ 76.767766][ T5179] dump_backtrace+0x0/0x43c [ 76.768391][ T5179] show_stack+0x2c/0x3c [ 76.769028][ T5179] __dump_stack+0x30/0x40 [ 76.769596][ T5179] dump_stack_lvl+0xf8/0x160 [ 76.770390][ T5179] dump_stack+0x1c/0x5c [ 76.771111][ T5179] should_fail+0x3c0/0x51c [ 76.771844][ T5179] __should_failslab+0xbc/0x10c [ 76.772609][ T5179] should_failslab+0x10/0x28 [ 76.773305][ T5179] slab_pre_alloc_hook+0x64/0xec [ 76.774076][ T5179] kmem_cache_alloc+0x94/0x3e4 [ 76.774787][ T5179] start_transaction+0x4d0/0x13f0 [ 76.775548][ T5179] btrfs_start_transaction+0x34/0x44 [ 76.776287][ T5179] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 76.777065][ T5179] btrfs_ioctl+0x5f0/0xb38 [ 76.777703][ T5179] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.778385][ T5179] invoke_syscall+0x98/0x2b8 [ 76.779000][ T5179] el0_svc_common+0x138/0x258 [ 76.779687][ T5179] do_el0_svc+0x58/0x14c [ 76.780285][ T5179] el0_svc+0x78/0x1e0 [ 76.780906][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 76.781642][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 76.845137][ T4514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4514) [ 76.934698][ T5200] loop0: detected capacity change from 0 to 32768 [ 76.993310][ T5200] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.994798][ T5200] BTRFS info (device loop0): using free space tree [ 76.995895][ T5200] BTRFS info (device loop0): has skinny extents [ 77.011525][ T5200] BTRFS info (device loop0): enabling ssd optimizations [ 77.015234][ T5200] FAULT_INJECTION: forcing a failure. [ 77.015234][ T5200] name failslab, interval 1, probability 0, space 0, times 0 [ 77.017550][ T5200] CPU: 0 PID: 5200 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 77.018807][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.020219][ T5200] Call trace: [ 77.020703][ T5200] dump_backtrace+0x0/0x43c [ 77.021341][ T5200] show_stack+0x2c/0x3c [ 77.021985][ T5200] __dump_stack+0x30/0x40 [ 77.022644][ T5200] dump_stack_lvl+0xf8/0x160 [ 77.023279][ T5200] dump_stack+0x1c/0x5c [ 77.023893][ T5200] should_fail+0x3c0/0x51c [ 77.024508][ T5200] __should_failslab+0xbc/0x10c [ 77.025189][ T5200] should_failslab+0x10/0x28 [ 77.025909][ T5200] slab_pre_alloc_hook+0x64/0xec [ 77.026566][ T5200] kmem_cache_alloc+0x94/0x3e4 [ 77.027255][ T5200] btrfs_alloc_path+0x5c/0x68 [ 77.027994][ T5200] __btrfs_run_delayed_refs+0xd70/0x3354 [ 77.028815][ T5200] btrfs_run_delayed_refs+0x124/0x46c [ 77.029545][ T5200] btrfs_commit_transaction+0x1b8/0x3044 [ 77.030340][ T5200] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.031101][ T5200] btrfs_ioctl+0x5f0/0xb38 [ 77.031776][ T5200] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.032462][ T5200] invoke_syscall+0x98/0x2b8 [ 77.033105][ T5200] el0_svc_common+0x138/0x258 [ 77.033832][ T5200] do_el0_svc+0x58/0x14c [ 77.034381][ T5200] el0_svc+0x78/0x1e0 [ 77.034938][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 77.035674][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 77.037240][ T5200] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 77.039129][ T5200] ------------[ cut here ]------------ [ 77.040023][ T5200] WARNING: CPU: 0 PID: 5200 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.041504][ T5200] Modules linked in: [ 77.042102][ T5200] CPU: 0 PID: 5200 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 77.043247][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.044641][ T5200] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.045717][ T5200] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.046561][ T5200] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.047349][ T5200] sp : ffff800020e177d0 [ 77.047957][ T5200] x29: ffff800020e177e0 x28: ffff0000e7595000 x27: dfff800000000000 [ 77.049015][ T5200] x26: ffff0000e7595024 x25: ffff0000ec0dc000 x24: 1fffe0001bc9befd [ 77.050173][ T5200] x23: 1fffe0001bc9befd x22: ffff0000de4df7e8 x21: 00000000fffffff4 [ 77.051317][ T5200] x20: 0000000000000051 x19: ffff0000de4df790 x18: 0000000000000001 [ 77.052467][ T5200] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.053590][ T5200] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.054787][ T5200] x11: 0000000000000000 x10: 0000000000000000 x9 : f7b8bde19cd90400 [ 77.055945][ T5200] x8 : f7b8bde19cd90400 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.057169][ T5200] x5 : ffff800020e170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.058396][ T5200] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.059582][ T5200] Call trace: [ 77.060078][ T5200] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.060942][ T5200] btrfs_commit_transaction+0x1b8/0x3044 [ 77.061705][ T5200] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.062493][ T5200] btrfs_ioctl+0x5f0/0xb38 [ 77.063126][ T5200] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.063764][ T5200] invoke_syscall+0x98/0x2b8 [ 77.064402][ T5200] el0_svc_common+0x138/0x258 [ 77.065051][ T5200] do_el0_svc+0x58/0x14c [ 77.065668][ T5200] el0_svc+0x78/0x1e0 [ 77.066237][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 77.066980][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 77.067676][ T5200] irq event stamp: 79952 [ 77.068355][ T5200] hardirqs last enabled at (79951): [] __up_console_sem+0xb4/0x100 [ 77.069797][ T5200] hardirqs last disabled at (79952): [] el1_dbg+0x24/0x80 [ 77.070999][ T5200] softirqs last enabled at (79914): [] handle_softirqs+0xa4c/0xbf0 [ 77.072410][ T5200] softirqs last disabled at (79899): [] __irq_exit_rcu+0x240/0x440 [ 77.073886][ T5200] ---[ end trace e9a4f3059fc254c1 ]--- [ 77.076146][ T5200] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.077853][ T5200] BTRFS info (device loop0): forced readonly [ 77.225090][ T5223] loop0: detected capacity change from 0 to 32768 [ 77.254995][ T5223] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5223) [ 77.259262][ T5223] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.260631][ T5223] BTRFS info (device loop0): using free space tree [ 77.261586][ T5223] BTRFS info (device loop0): has skinny extents [ 77.269000][ T5223] BTRFS info (device loop0): enabling ssd optimizations [ 77.273263][ T5223] FAULT_INJECTION: forcing a failure. [ 77.273263][ T5223] name failslab, interval 1, probability 0, space 0, times 0 [ 77.275243][ T5223] CPU: 1 PID: 5223 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 77.276577][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.278043][ T5223] Call trace: [ 77.278538][ T5223] dump_backtrace+0x0/0x43c [ 77.279160][ T5223] show_stack+0x2c/0x3c [ 77.279803][ T5223] __dump_stack+0x30/0x40 [ 77.280421][ T5223] dump_stack_lvl+0xf8/0x160 [ 77.281141][ T5223] dump_stack+0x1c/0x5c [ 77.281764][ T5223] should_fail+0x3c0/0x51c [ 77.282436][ T5223] __should_failslab+0xbc/0x10c [ 77.283138][ T5223] should_failslab+0x10/0x28 [ 77.283760][ T5223] slab_pre_alloc_hook+0x64/0xec [ 77.284403][ T5223] kmem_cache_alloc+0x94/0x3e4 [ 77.285062][ T5223] btrfs_alloc_path+0x5c/0x68 [ 77.285704][ T5223] __btrfs_run_delayed_refs+0xd70/0x3354 [ 77.286510][ T5223] btrfs_run_delayed_refs+0x124/0x46c [ 77.287278][ T5223] btrfs_commit_transaction+0x1b8/0x3044 [ 77.288095][ T5223] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.288912][ T5223] btrfs_ioctl+0x5f0/0xb38 [ 77.289549][ T5223] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.290347][ T5223] invoke_syscall+0x98/0x2b8 [ 77.290994][ T5223] el0_svc_common+0x138/0x258 [ 77.291676][ T5223] do_el0_svc+0x58/0x14c [ 77.292282][ T5223] el0_svc+0x78/0x1e0 [ 77.292862][ T5223] el0t_64_sync_handler+0xcc/0xe4 [ 77.293640][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 77.296807][ T5223] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 77.298767][ T5223] ------------[ cut here ]------------ [ 77.299654][ T5223] WARNING: CPU: 1 PID: 5223 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.301362][ T5223] Modules linked in: [ 77.302047][ T5223] CPU: 1 PID: 5223 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 77.303350][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.304779][ T5223] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.306003][ T5223] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.306830][ T5223] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.307693][ T5223] sp : ffff800020e177d0 [ 77.308342][ T5223] x29: ffff800020e177e0 x28: ffff0000e7597000 x27: dfff800000000000 [ 77.309577][ T5223] x26: ffff0000e7597024 x25: ffff0000ec0dc000 x24: 1fffe0001bc9b755 [ 77.310820][ T5223] x23: 1fffe0001bc9b755 x22: ffff0000de4dbaa8 x21: 00000000fffffff4 [ 77.311997][ T5223] x20: 0000000000000051 x19: ffff0000de4dba50 x18: 0000000000000001 [ 77.313205][ T5223] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.314376][ T5223] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.315506][ T5223] x11: 0000000000000000 x10: 0000000000000000 x9 : e82b15ea3503c600 [ 77.316647][ T5223] x8 : e82b15ea3503c600 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.317839][ T5223] x5 : ffff800020e170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.318919][ T5223] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.320185][ T5223] Call trace: [ 77.320703][ T5223] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.321519][ T5223] btrfs_commit_transaction+0x1b8/0x3044 [ 77.322334][ T5223] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.323112][ T5223] btrfs_ioctl+0x5f0/0xb38 [ 77.323761][ T5223] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.324452][ T5223] invoke_syscall+0x98/0x2b8 [ 77.325144][ T5223] el0_svc_common+0x138/0x258 [ 77.325839][ T5223] do_el0_svc+0x58/0x14c [ 77.326434][ T5223] el0_svc+0x78/0x1e0 [ 77.327035][ T5223] el0t_64_sync_handler+0xcc/0xe4 [ 77.327739][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 77.328380][ T5223] irq event stamp: 79940 [ 77.329052][ T5223] hardirqs last enabled at (79939): [] __up_console_sem+0xb4/0x100 [ 77.330476][ T5223] hardirqs last disabled at (79940): [] el1_dbg+0x24/0x80 [ 77.331684][ T5223] softirqs last enabled at (79902): [] handle_softirqs+0xa4c/0xbf0 [ 77.333087][ T5223] softirqs last disabled at (79827): [] __irq_exit_rcu+0x240/0x440 [ 77.334462][ T5223] ---[ end trace e9a4f3059fc254c2 ]--- [ 77.335454][ T5223] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.336803][ T5223] BTRFS info (device loop0): forced readonly [ 77.475882][ T5245] loop0: detected capacity change from 0 to 32768 [ 77.556071][ T5245] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5245) [ 77.560405][ T5245] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.562206][ T5245] BTRFS info (device loop0): using free space tree [ 77.563264][ T5245] BTRFS info (device loop0): has skinny extents [ 77.571731][ T5245] BTRFS info (device loop0): enabling ssd optimizations [ 77.576311][ T5245] FAULT_INJECTION: forcing a failure. [ 77.576311][ T5245] name failslab, interval 1, probability 0, space 0, times 0 [ 77.578117][ T5245] CPU: 0 PID: 5245 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 77.579299][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.580754][ T5245] Call trace: [ 77.581273][ T5245] dump_backtrace+0x0/0x43c [ 77.581918][ T5245] show_stack+0x2c/0x3c [ 77.582528][ T5245] __dump_stack+0x30/0x40 [ 77.583248][ T5245] dump_stack_lvl+0xf8/0x160 [ 77.583900][ T5245] dump_stack+0x1c/0x5c [ 77.584519][ T5245] should_fail+0x3c0/0x51c [ 77.585135][ T5245] __should_failslab+0xbc/0x10c [ 77.585777][ T5245] should_failslab+0x10/0x28 [ 77.586437][ T5245] slab_pre_alloc_hook+0x64/0xec [ 77.587189][ T5245] kmem_cache_alloc+0x94/0x3e4 [ 77.587879][ T5245] btrfs_alloc_path+0x5c/0x68 [ 77.588544][ T5245] __btrfs_free_extent+0x19c/0x1aa4 [ 77.589382][ T5245] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 77.590221][ T5245] btrfs_run_delayed_refs+0x124/0x46c [ 77.590980][ T5245] btrfs_commit_transaction+0x1b8/0x3044 [ 77.591751][ T5245] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.592513][ T5245] btrfs_ioctl+0x5f0/0xb38 [ 77.593129][ T5245] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.593903][ T5245] invoke_syscall+0x98/0x2b8 [ 77.594585][ T5245] el0_svc_common+0x138/0x258 [ 77.595248][ T5245] do_el0_svc+0x58/0x14c [ 77.595843][ T5245] el0_svc+0x78/0x1e0 [ 77.596437][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 77.597143][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 77.599722][ T5245] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 77.602337][ T5245] ------------[ cut here ]------------ [ 77.603286][ T5245] WARNING: CPU: 0 PID: 5245 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.604761][ T5245] Modules linked in: [ 77.605329][ T5245] CPU: 0 PID: 5245 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 77.606537][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.607890][ T5245] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.608951][ T5245] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.609803][ T5245] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.610601][ T5245] sp : ffff8000211177d0 [ 77.611183][ T5245] x29: ffff8000211177e0 x28: ffff0000cbbf3000 x27: dfff800000000000 [ 77.612302][ T5245] x26: ffff0000cbbf3024 x25: ffff0000ec0dc000 x24: 1fffe0001bc9be37 [ 77.613659][ T5245] x23: 1fffe0001bc9be37 x22: ffff0000de4df1b8 x21: 00000000fffffff4 [ 77.614913][ T5245] x20: 0000000000000051 x19: ffff0000de4df160 x18: 0000000000000001 [ 77.616120][ T5245] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.617284][ T5245] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.618480][ T5245] x11: 0000000000000000 x10: 0000000000000000 x9 : 9de188319a362c00 [ 77.619827][ T5245] x8 : 9de188319a362c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.621090][ T5245] x5 : ffff8000211170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.622427][ T5245] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.623705][ T5245] Call trace: [ 77.624221][ T5245] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.625038][ T5245] btrfs_commit_transaction+0x1b8/0x3044 [ 77.625867][ T5245] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.626638][ T5245] btrfs_ioctl+0x5f0/0xb38 [ 77.627252][ T5245] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.628008][ T5245] invoke_syscall+0x98/0x2b8 [ 77.628685][ T5245] el0_svc_common+0x138/0x258 [ 77.629374][ T5245] do_el0_svc+0x58/0x14c [ 77.629942][ T5245] el0_svc+0x78/0x1e0 [ 77.630462][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 77.631171][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 77.631756][ T5245] irq event stamp: 80268 [ 77.632385][ T5245] hardirqs last enabled at (80267): [] __up_console_sem+0xb4/0x100 [ 77.633958][ T5245] hardirqs last disabled at (80268): [] el1_dbg+0x24/0x80 [ 77.635258][ T5245] softirqs last enabled at (80244): [] handle_softirqs+0xa4c/0xbf0 [ 77.636767][ T5245] softirqs last disabled at (80195): [] __irq_exit_rcu+0x240/0x440 [ 77.638074][ T5245] ---[ end trace e9a4f3059fc254c3 ]--- [ 77.641551][ T5245] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.643001][ T5245] BTRFS info (device loop0): forced readonly [ 77.783449][ T5267] loop0: detected capacity change from 0 to 32768 [ 77.822336][ T5267] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5267) [ 77.827025][ T5267] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.828487][ T5267] BTRFS info (device loop0): using free space tree [ 77.829472][ T5267] BTRFS info (device loop0): has skinny extents [ 77.846881][ T5267] BTRFS info (device loop0): enabling ssd optimizations [ 77.851492][ T5267] FAULT_INJECTION: forcing a failure. [ 77.851492][ T5267] name failslab, interval 1, probability 0, space 0, times 0 [ 77.853383][ T5267] CPU: 0 PID: 5267 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 77.854648][ T5267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.856068][ T5267] Call trace: [ 77.856567][ T5267] dump_backtrace+0x0/0x43c [ 77.857226][ T5267] show_stack+0x2c/0x3c [ 77.857883][ T5267] __dump_stack+0x30/0x40 [ 77.858557][ T5267] dump_stack_lvl+0xf8/0x160 [ 77.859219][ T5267] dump_stack+0x1c/0x5c [ 77.859815][ T5267] should_fail+0x3c0/0x51c [ 77.860487][ T5267] __should_failslab+0xbc/0x10c [ 77.861175][ T5267] should_failslab+0x10/0x28 [ 77.861829][ T5267] slab_pre_alloc_hook+0x64/0xec [ 77.862569][ T5267] kmem_cache_alloc+0x94/0x3e4 [ 77.863257][ T5267] btrfs_alloc_path+0x5c/0x68 [ 77.863951][ T5267] __btrfs_run_delayed_refs+0xd70/0x3354 [ 77.864708][ T5267] btrfs_run_delayed_refs+0x124/0x46c [ 77.865415][ T5267] btrfs_commit_transaction+0x1b8/0x3044 [ 77.866147][ T5267] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.866856][ T5267] btrfs_ioctl+0x5f0/0xb38 [ 77.867448][ T5267] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.868119][ T5267] invoke_syscall+0x98/0x2b8 [ 77.868770][ T5267] el0_svc_common+0x138/0x258 [ 77.869450][ T5267] do_el0_svc+0x58/0x14c [ 77.870086][ T5267] el0_svc+0x78/0x1e0 [ 77.870627][ T5267] el0t_64_sync_handler+0xcc/0xe4 [ 77.871319][ T5267] el0t_64_sync+0x1a0/0x1a4 [ 77.873697][ T5267] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 77.875688][ T5267] ------------[ cut here ]------------ [ 77.876574][ T5267] WARNING: CPU: 0 PID: 5267 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.877955][ T5267] Modules linked in: [ 77.878485][ T5267] CPU: 0 PID: 5267 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 77.879623][ T5267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.881132][ T5267] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.882247][ T5267] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.883035][ T5267] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.883893][ T5267] sp : ffff8000212477d0 [ 77.884467][ T5267] x29: ffff8000212477e0 x28: ffff0000cbbf1000 x27: dfff800000000000 [ 77.885660][ T5267] x26: ffff0000cbbf1024 x25: ffff0000eb618000 x24: 1fffe0001bc9bf13 [ 77.886834][ T5267] x23: 1fffe0001bc9bf13 x22: ffff0000de4df898 x21: 00000000fffffff4 [ 77.888176][ T5267] x20: 0000000000000051 x19: ffff0000de4df840 x18: 0000000000000001 [ 77.889497][ T5267] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.890828][ T5267] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.892092][ T5267] x11: 0000000000000000 x10: 0000000000000000 x9 : 51acb74c7df6f900 [ 77.893332][ T5267] x8 : 51acb74c7df6f900 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.894564][ T5267] x5 : ffff8000212470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.895823][ T5267] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.897102][ T5267] Call trace: [ 77.897627][ T5267] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.898496][ T5267] btrfs_commit_transaction+0x1b8/0x3044 [ 77.899379][ T5267] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.900147][ T5267] btrfs_ioctl+0x5f0/0xb38 [ 77.900807][ T5267] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.901506][ T5267] invoke_syscall+0x98/0x2b8 [ 77.902184][ T5267] el0_svc_common+0x138/0x258 [ 77.902913][ T5267] do_el0_svc+0x58/0x14c [ 77.903515][ T5267] el0_svc+0x78/0x1e0 [ 77.904110][ T5267] el0t_64_sync_handler+0xcc/0xe4 [ 77.904901][ T5267] el0t_64_sync+0x1a0/0x1a4 [ 77.905529][ T5267] irq event stamp: 80930 [ 77.906084][ T5267] hardirqs last enabled at (80929): [] __up_console_sem+0xb4/0x100 [ 77.907496][ T5267] hardirqs last disabled at (80930): [] el1_dbg+0x24/0x80 [ 77.908757][ T5267] softirqs last enabled at (80892): [] handle_softirqs+0xa4c/0xbf0 [ 77.910231][ T5267] softirqs last disabled at (80873): [] __irq_exit_rcu+0x240/0x440 [ 77.911629][ T5267] ---[ end trace e9a4f3059fc254c4 ]--- [ 77.914854][ T5267] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.916502][ T5267] BTRFS info (device loop0): forced readonly [ 78.102623][ T5289] loop0: detected capacity change from 0 to 32768 [ 78.152567][ T5289] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5289) [ 78.159376][ T5289] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.160833][ T5289] BTRFS info (device loop0): using free space tree [ 78.161762][ T5289] BTRFS info (device loop0): has skinny extents [ 78.169189][ T5289] BTRFS info (device loop0): enabling ssd optimizations [ 78.177512][ T5289] FAULT_INJECTION: forcing a failure. [ 78.177512][ T5289] name failslab, interval 1, probability 0, space 0, times 0 [ 78.179506][ T5289] CPU: 1 PID: 5289 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 78.180810][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.182328][ T5289] Call trace: [ 78.182797][ T5289] dump_backtrace+0x0/0x43c [ 78.183488][ T5289] show_stack+0x2c/0x3c [ 78.184139][ T5289] __dump_stack+0x30/0x40 [ 78.184767][ T5289] dump_stack_lvl+0xf8/0x160 [ 78.185391][ T5289] dump_stack+0x1c/0x5c [ 78.185931][ T5289] should_fail+0x3c0/0x51c [ 78.186503][ T5289] __should_failslab+0xbc/0x10c [ 78.187117][ T5289] should_failslab+0x10/0x28 [ 78.187760][ T5289] slab_pre_alloc_hook+0x64/0xec [ 78.188450][ T5289] kmem_cache_alloc+0x94/0x3e4 [ 78.189086][ T5289] btrfs_alloc_path+0x5c/0x68 [ 78.189810][ T5289] __btrfs_run_delayed_refs+0xd70/0x3354 [ 78.190620][ T5289] btrfs_run_delayed_refs+0x124/0x46c [ 78.191425][ T5289] btrfs_commit_transaction+0x1b8/0x3044 [ 78.192288][ T5289] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.193059][ T5289] btrfs_ioctl+0x5f0/0xb38 [ 78.193679][ T5289] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.194395][ T5289] invoke_syscall+0x98/0x2b8 [ 78.195108][ T5289] el0_svc_common+0x138/0x258 [ 78.195809][ T5289] do_el0_svc+0x58/0x14c [ 78.196407][ T5289] el0_svc+0x78/0x1e0 [ 78.196974][ T5289] el0t_64_sync_handler+0xcc/0xe4 [ 78.197712][ T5289] el0t_64_sync+0x1a0/0x1a4 [ 78.199368][ T5289] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 78.201231][ T5289] ------------[ cut here ]------------ [ 78.202088][ T5289] WARNING: CPU: 1 PID: 5289 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.203584][ T5289] Modules linked in: [ 78.204158][ T5289] CPU: 1 PID: 5289 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 78.205352][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.206705][ T5289] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.207803][ T5289] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.208675][ T5289] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.209466][ T5289] sp : ffff8000212677d0 [ 78.210046][ T5289] x29: ffff8000212677e0 x28: ffff0000e7593000 x27: dfff800000000000 [ 78.211286][ T5289] x26: ffff0000e7593024 x25: ffff0000d6ac4000 x24: 1fffe0001bc9b781 [ 78.212423][ T5289] x23: 1fffe0001bc9b781 x22: ffff0000de4dbc08 x21: 00000000fffffff4 [ 78.213594][ T5289] x20: 0000000000000051 x19: ffff0000de4dbbb0 x18: 0000000000000001 [ 78.214830][ T5289] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.216035][ T5289] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.217242][ T5289] x11: 0000000000000000 x10: 0000000000000000 x9 : 10ec8410e55cc300 [ 78.218421][ T5289] x8 : 10ec8410e55cc300 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.219533][ T5289] x5 : ffff8000212670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.220658][ T5289] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.221773][ T5289] Call trace: [ 78.222256][ T5289] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.222985][ T5289] btrfs_commit_transaction+0x1b8/0x3044 [ 78.223780][ T5289] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.224581][ T5289] btrfs_ioctl+0x5f0/0xb38 [ 78.225214][ T5289] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.225892][ T5289] invoke_syscall+0x98/0x2b8 [ 78.226580][ T5289] el0_svc_common+0x138/0x258 [ 78.227255][ T5289] do_el0_svc+0x58/0x14c [ 78.227840][ T5289] el0_svc+0x78/0x1e0 [ 78.228480][ T5289] el0t_64_sync_handler+0xcc/0xe4 [ 78.229224][ T5289] el0t_64_sync+0x1a0/0x1a4 [ 78.229881][ T5289] irq event stamp: 79360 [ 78.230475][ T5289] hardirqs last enabled at (79359): [] __up_console_sem+0xb4/0x100 [ 78.231819][ T5289] hardirqs last disabled at (79360): [] el1_dbg+0x24/0x80 [ 78.233044][ T5289] softirqs last enabled at (79334): [] handle_softirqs+0xa4c/0xbf0 [ 78.234442][ T5289] softirqs last disabled at (79325): [] __irq_exit_rcu+0x240/0x440 [ 78.235719][ T5289] ---[ end trace e9a4f3059fc254c5 ]--- [ 78.237826][ T5289] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.239441][ T5289] BTRFS info (device loop0): forced readonly [ 78.386780][ T5311] loop0: detected capacity change from 0 to 32768 [ 78.473087][ T5311] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5311) [ 78.476250][ T5311] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.477619][ T5311] BTRFS info (device loop0): using free space tree [ 78.478601][ T5311] BTRFS info (device loop0): has skinny extents [ 78.488162][ T5311] BTRFS info (device loop0): enabling ssd optimizations [ 78.493011][ T5311] FAULT_INJECTION: forcing a failure. [ 78.493011][ T5311] name failslab, interval 1, probability 0, space 0, times 0 [ 78.494833][ T5311] CPU: 1 PID: 5311 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 78.496104][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.497503][ T5311] Call trace: [ 78.497941][ T5311] dump_backtrace+0x0/0x43c [ 78.498610][ T5311] show_stack+0x2c/0x3c [ 78.499203][ T5311] __dump_stack+0x30/0x40 [ 78.499787][ T5311] dump_stack_lvl+0xf8/0x160 [ 78.500419][ T5311] dump_stack+0x1c/0x5c [ 78.501021][ T5311] should_fail+0x3c0/0x51c [ 78.501746][ T5311] __should_failslab+0xbc/0x10c [ 78.502530][ T5311] should_failslab+0x10/0x28 [ 78.503242][ T5311] slab_pre_alloc_hook+0x64/0xec [ 78.503974][ T5311] kmem_cache_alloc+0x94/0x3e4 [ 78.504702][ T5311] start_transaction+0x4d0/0x13f0 [ 78.505482][ T5311] btrfs_start_transaction+0x34/0x44 [ 78.506273][ T5311] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 78.507059][ T5311] btrfs_ioctl+0x5f0/0xb38 [ 78.507684][ T5311] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.508479][ T5311] invoke_syscall+0x98/0x2b8 [ 78.509151][ T5311] el0_svc_common+0x138/0x258 [ 78.509950][ T5311] do_el0_svc+0x58/0x14c [ 78.510622][ T5311] el0_svc+0x78/0x1e0 [ 78.511294][ T5311] el0t_64_sync_handler+0xcc/0xe4 [ 78.512087][ T5311] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:18 executed programs: 19 [ 78.578011][ T4514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4514) [ 78.662497][ T5332] loop0: detected capacity change from 0 to 32768 [ 78.782201][ T5332] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.783838][ T5332] BTRFS info (device loop0): using free space tree [ 78.784893][ T5332] BTRFS info (device loop0): has skinny extents [ 78.797470][ T5332] BTRFS info (device loop0): enabling ssd optimizations [ 78.802469][ T5332] FAULT_INJECTION: forcing a failure. [ 78.802469][ T5332] name failslab, interval 1, probability 0, space 0, times 0 [ 78.804419][ T5332] CPU: 0 PID: 5332 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 78.805601][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.807230][ T5332] Call trace: [ 78.807747][ T5332] dump_backtrace+0x0/0x43c [ 78.808481][ T5332] show_stack+0x2c/0x3c [ 78.809102][ T5332] __dump_stack+0x30/0x40 [ 78.809759][ T5332] dump_stack_lvl+0xf8/0x160 [ 78.810452][ T5332] dump_stack+0x1c/0x5c [ 78.811059][ T5332] should_fail+0x3c0/0x51c [ 78.811760][ T5332] __should_failslab+0xbc/0x10c [ 78.812542][ T5332] should_failslab+0x10/0x28 [ 78.813164][ T5332] slab_pre_alloc_hook+0x64/0xec [ 78.813933][ T5332] kmem_cache_alloc+0x94/0x3e4 [ 78.814628][ T5332] btrfs_alloc_path+0x5c/0x68 [ 78.815359][ T5332] __btrfs_free_extent+0x19c/0x1aa4 [ 78.816134][ T5332] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 78.817047][ T5332] btrfs_run_delayed_refs+0x124/0x46c [ 78.817821][ T5332] btrfs_commit_transaction+0x1b8/0x3044 [ 78.818595][ T5332] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.819320][ T5332] btrfs_ioctl+0x5f0/0xb38 [ 78.819983][ T5332] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.820665][ T5332] invoke_syscall+0x98/0x2b8 [ 78.821319][ T5332] el0_svc_common+0x138/0x258 [ 78.821998][ T5332] do_el0_svc+0x58/0x14c [ 78.822630][ T5332] el0_svc+0x78/0x1e0 [ 78.823247][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 78.824012][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 78.826328][ T5332] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 78.828338][ T5332] ------------[ cut here ]------------ [ 78.829284][ T5332] WARNING: CPU: 0 PID: 5332 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.830768][ T5332] Modules linked in: [ 78.831312][ T5332] CPU: 0 PID: 5332 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 78.832579][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.833982][ T5332] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.835138][ T5332] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.835901][ T5332] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.836761][ T5332] sp : ffff8000214877d0 [ 78.837362][ T5332] x29: ffff8000214877e0 x28: ffff0000cbbf7000 x27: dfff800000000000 [ 78.838584][ T5332] x26: ffff0000cbbf7024 x25: ffff0000ebd28000 x24: 1fffe0001bc9be79 [ 78.839829][ T5332] x23: 1fffe0001bc9be79 x22: ffff0000de4df3c8 x21: 00000000fffffff4 [ 78.840979][ T5332] x20: 0000000000000051 x19: ffff0000de4df370 x18: 0000000000000001 [ 78.842137][ T5332] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.843263][ T5332] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.844403][ T5332] x11: 0000000000000000 x10: 0000000000000000 x9 : b8b127aca83da900 [ 78.845542][ T5332] x8 : b8b127aca83da900 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.846669][ T5332] x5 : ffff8000214870b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.847837][ T5332] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.848944][ T5332] Call trace: [ 78.849424][ T5332] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.850237][ T5332] btrfs_commit_transaction+0x1b8/0x3044 [ 78.851077][ T5332] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.851881][ T5332] btrfs_ioctl+0x5f0/0xb38 [ 78.852463][ T5332] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.853157][ T5332] invoke_syscall+0x98/0x2b8 [ 78.853759][ T5332] el0_svc_common+0x138/0x258 [ 78.854410][ T5332] do_el0_svc+0x58/0x14c [ 78.854992][ T5332] el0_svc+0x78/0x1e0 [ 78.855553][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 78.856242][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 78.856824][ T5332] irq event stamp: 80130 [ 78.857405][ T5332] hardirqs last enabled at (80129): [] __up_console_sem+0xb4/0x100 [ 78.858809][ T5332] hardirqs last disabled at (80130): [] el1_dbg+0x24/0x80 [ 78.860010][ T5332] softirqs last enabled at (80096): [] handle_softirqs+0xa4c/0xbf0 [ 78.861364][ T5332] softirqs last disabled at (80081): [] __irq_exit_rcu+0x240/0x440 [ 78.862766][ T5332] ---[ end trace e9a4f3059fc254c6 ]--- [ 78.865910][ T5332] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.867370][ T5332] BTRFS info (device loop0): forced readonly [ 79.006048][ T5355] loop0: detected capacity change from 0 to 32768 [ 79.041872][ T5355] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5355) [ 79.081998][ T5355] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.084047][ T5355] BTRFS info (device loop0): using free space tree [ 79.085043][ T5355] BTRFS info (device loop0): has skinny extents [ 79.092788][ T5355] BTRFS info (device loop0): enabling ssd optimizations [ 79.096677][ T5355] FAULT_INJECTION: forcing a failure. [ 79.096677][ T5355] name failslab, interval 1, probability 0, space 0, times 0 [ 79.098614][ T5355] CPU: 0 PID: 5355 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 79.099899][ T5355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.101508][ T5355] Call trace: [ 79.102003][ T5355] dump_backtrace+0x0/0x43c [ 79.102722][ T5355] show_stack+0x2c/0x3c [ 79.103335][ T5355] __dump_stack+0x30/0x40 [ 79.104004][ T5355] dump_stack_lvl+0xf8/0x160 [ 79.104696][ T5355] dump_stack+0x1c/0x5c [ 79.105275][ T5355] should_fail+0x3c0/0x51c [ 79.105933][ T5355] __should_failslab+0xbc/0x10c [ 79.106648][ T5355] should_failslab+0x10/0x28 [ 79.107315][ T5355] slab_pre_alloc_hook+0x64/0xec [ 79.108028][ T5355] kmem_cache_alloc+0x94/0x3e4 [ 79.108680][ T5355] btrfs_alloc_path+0x5c/0x68 [ 79.109345][ T5355] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.110209][ T5355] btrfs_run_delayed_refs+0x124/0x46c [ 79.111024][ T5355] btrfs_commit_transaction+0x1b8/0x3044 [ 79.111866][ T5355] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.112589][ T5355] btrfs_ioctl+0x5f0/0xb38 [ 79.113257][ T5355] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.113982][ T5355] invoke_syscall+0x98/0x2b8 [ 79.114667][ T5355] el0_svc_common+0x138/0x258 [ 79.115352][ T5355] do_el0_svc+0x58/0x14c [ 79.116007][ T5355] el0_svc+0x78/0x1e0 [ 79.116591][ T5355] el0t_64_sync_handler+0xcc/0xe4 [ 79.117330][ T5355] el0t_64_sync+0x1a0/0x1a4 [ 79.118279][ T5355] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.120135][ T5355] ------------[ cut here ]------------ [ 79.121352][ T5355] WARNING: CPU: 0 PID: 5355 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.122896][ T5355] Modules linked in: [ 79.123473][ T5355] CPU: 0 PID: 5355 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 79.124706][ T5355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.126164][ T5355] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.127269][ T5355] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.128036][ T5355] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.128814][ T5355] sp : ffff8000216a77d0 [ 79.129399][ T5355] x29: ffff8000216a77e0 x28: ffff0000da4b3000 x27: dfff800000000000 [ 79.130629][ T5355] x26: ffff0000da4b3024 x25: ffff0000ebd28000 x24: 1fffe0001bc9bf3f [ 79.131860][ T5355] x23: 1fffe0001bc9bf3f x22: ffff0000de4df9f8 x21: 00000000fffffff4 [ 79.133042][ T5355] x20: 0000000000000051 x19: ffff0000de4df9a0 x18: 0000000000000001 [ 79.134168][ T5355] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 79.135247][ T5355] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.136361][ T5355] x11: 0000000000000000 x10: 0000000000000000 x9 : 82d54fdb98819c00 [ 79.137601][ T5355] x8 : 82d54fdb98819c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.138718][ T5355] x5 : ffff8000216a70b8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 79.139863][ T5355] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.140993][ T5355] Call trace: [ 79.141465][ T5355] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.142194][ T5355] btrfs_commit_transaction+0x1b8/0x3044 [ 79.142929][ T5355] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.143611][ T5355] btrfs_ioctl+0x5f0/0xb38 [ 79.144240][ T5355] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.144950][ T5355] invoke_syscall+0x98/0x2b8 [ 79.145608][ T5355] el0_svc_common+0x138/0x258 [ 79.146266][ T5355] do_el0_svc+0x58/0x14c [ 79.146842][ T5355] el0_svc+0x78/0x1e0 [ 79.147410][ T5355] el0t_64_sync_handler+0xcc/0xe4 [ 79.148083][ T5355] el0t_64_sync+0x1a0/0x1a4 [ 79.148728][ T5355] irq event stamp: 79448 [ 79.149297][ T5355] hardirqs last enabled at (79447): [] __up_console_sem+0xb4/0x100 [ 79.150650][ T5355] hardirqs last disabled at (79448): [] el1_dbg+0x24/0x80 [ 79.151944][ T5355] softirqs last enabled at (79436): [] handle_softirqs+0xa4c/0xbf0 [ 79.153237][ T5355] softirqs last disabled at (79429): [] __irq_exit_rcu+0x240/0x440 [ 79.154573][ T5355] ---[ end trace e9a4f3059fc254c7 ]--- [ 79.156032][ T5355] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.157547][ T5355] BTRFS info (device loop0): forced readonly [ 79.299655][ T5377] loop0: detected capacity change from 0 to 32768 [ 79.401499][ T5377] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5377) [ 79.404969][ T5377] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.406384][ T5377] BTRFS info (device loop0): using free space tree [ 79.407437][ T5377] BTRFS info (device loop0): has skinny extents [ 79.416428][ T5377] BTRFS info (device loop0): enabling ssd optimizations [ 79.420046][ T5377] FAULT_INJECTION: forcing a failure. [ 79.420046][ T5377] name failslab, interval 1, probability 0, space 0, times 0 [ 79.422149][ T5377] CPU: 0 PID: 5377 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 79.423340][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.424733][ T5377] Call trace: [ 79.425194][ T5377] dump_backtrace+0x0/0x43c [ 79.425870][ T5377] show_stack+0x2c/0x3c [ 79.426463][ T5377] __dump_stack+0x30/0x40 [ 79.427143][ T5377] dump_stack_lvl+0xf8/0x160 [ 79.427845][ T5377] dump_stack+0x1c/0x5c [ 79.428491][ T5377] should_fail+0x3c0/0x51c [ 79.429160][ T5377] __should_failslab+0xbc/0x10c [ 79.429887][ T5377] should_failslab+0x10/0x28 [ 79.430494][ T5377] slab_pre_alloc_hook+0x64/0xec [ 79.431211][ T5377] kmem_cache_alloc+0x94/0x3e4 [ 79.431891][ T5377] btrfs_alloc_path+0x5c/0x68 [ 79.432569][ T5377] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.433333][ T5377] btrfs_run_delayed_refs+0x124/0x46c [ 79.434097][ T5377] btrfs_commit_transaction+0x1b8/0x3044 [ 79.434862][ T5377] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.435656][ T5377] btrfs_ioctl+0x5f0/0xb38 [ 79.436456][ T5377] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.437195][ T5377] invoke_syscall+0x98/0x2b8 [ 79.437895][ T5377] el0_svc_common+0x138/0x258 [ 79.438636][ T5377] do_el0_svc+0x58/0x14c [ 79.439292][ T5377] el0_svc+0x78/0x1e0 [ 79.439920][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 79.440686][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 79.443308][ T5377] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.445219][ T5377] ------------[ cut here ]------------ [ 79.446087][ T5377] WARNING: CPU: 0 PID: 5377 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.447481][ T5377] Modules linked in: [ 79.448057][ T5377] CPU: 0 PID: 5377 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 79.449274][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.450635][ T5377] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.451818][ T5377] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.452673][ T5377] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.453488][ T5377] sp : ffff8000212477d0 [ 79.454090][ T5377] x29: ffff8000212477e0 x28: ffff0000da4b4000 x27: dfff800000000000 [ 79.455231][ T5377] x26: ffff0000da4b4024 x25: ffff0000d6c38000 x24: 1fffe0001bc9bf6b [ 79.456322][ T5377] x23: 1fffe0001bc9bf6b x22: ffff0000de4dfb58 x21: 00000000fffffff4 [ 79.457618][ T5377] x20: 0000000000000051 x19: ffff0000de4dfb00 x18: 0000000000000001 [ 79.458832][ T5377] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.460014][ T5377] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.461173][ T5377] x11: 0000000000000000 x10: 0000000000000000 x9 : c3c9c35026f59100 [ 79.462381][ T5377] x8 : c3c9c35026f59100 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.463593][ T5377] x5 : ffff8000212470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.464813][ T5377] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.466000][ T5377] Call trace: [ 79.466547][ T5377] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.467364][ T5377] btrfs_commit_transaction+0x1b8/0x3044 [ 79.468202][ T5377] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.468989][ T5377] btrfs_ioctl+0x5f0/0xb38 [ 79.469642][ T5377] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.470363][ T5377] invoke_syscall+0x98/0x2b8 [ 79.471031][ T5377] el0_svc_common+0x138/0x258 [ 79.471696][ T5377] do_el0_svc+0x58/0x14c [ 79.472315][ T5377] el0_svc+0x78/0x1e0 [ 79.472898][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 79.473697][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 79.474446][ T5377] irq event stamp: 79762 [ 79.475138][ T5377] hardirqs last enabled at (79761): [] __up_console_sem+0xb4/0x100 [ 79.476565][ T5377] hardirqs last disabled at (79762): [] el1_dbg+0x24/0x80 [ 79.477969][ T5377] softirqs last enabled at (79724): [] handle_softirqs+0xa4c/0xbf0 [ 79.479335][ T5377] softirqs last disabled at (79623): [] __irq_exit_rcu+0x240/0x440 [ 79.480720][ T5377] ---[ end trace e9a4f3059fc254c8 ]--- [ 79.484172][ T5377] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.485560][ T5377] BTRFS info (device loop0): forced readonly [ 79.620081][ T5399] loop0: detected capacity change from 0 to 32768 [ 79.623065][ T5399] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5399) [ 79.626031][ T5399] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.627376][ T5399] BTRFS info (device loop0): using free space tree [ 79.628403][ T5399] BTRFS info (device loop0): has skinny extents [ 79.645287][ T5399] BTRFS info (device loop0): enabling ssd optimizations [ 79.648677][ T5399] FAULT_INJECTION: forcing a failure. [ 79.648677][ T5399] name failslab, interval 1, probability 0, space 0, times 0 [ 79.651019][ T5399] CPU: 0 PID: 5399 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 79.652188][ T5399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.653594][ T5399] Call trace: [ 79.654018][ T5399] dump_backtrace+0x0/0x43c [ 79.654611][ T5399] show_stack+0x2c/0x3c [ 79.655164][ T5399] __dump_stack+0x30/0x40 [ 79.655753][ T5399] dump_stack_lvl+0xf8/0x160 [ 79.656386][ T5399] dump_stack+0x1c/0x5c [ 79.656963][ T5399] should_fail+0x3c0/0x51c [ 79.657614][ T5399] __should_failslab+0xbc/0x10c [ 79.658276][ T5399] should_failslab+0x10/0x28 [ 79.658903][ T5399] slab_pre_alloc_hook+0x64/0xec [ 79.659602][ T5399] kmem_cache_alloc+0x94/0x3e4 [ 79.660268][ T5399] btrfs_alloc_path+0x5c/0x68 [ 79.660998][ T5399] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.661857][ T5399] btrfs_run_delayed_refs+0x124/0x46c [ 79.662720][ T5399] btrfs_commit_transaction+0x1b8/0x3044 [ 79.663548][ T5399] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.664388][ T5399] btrfs_ioctl+0x5f0/0xb38 [ 79.665012][ T5399] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.665732][ T5399] invoke_syscall+0x98/0x2b8 [ 79.666394][ T5399] el0_svc_common+0x138/0x258 [ 79.667051][ T5399] do_el0_svc+0x58/0x14c [ 79.667665][ T5399] el0_svc+0x78/0x1e0 [ 79.668296][ T5399] el0t_64_sync_handler+0xcc/0xe4 [ 79.669068][ T5399] el0t_64_sync+0x1a0/0x1a4 [ 79.671176][ T5399] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.673290][ T5399] ------------[ cut here ]------------ [ 79.674242][ T5399] WARNING: CPU: 1 PID: 5399 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.675735][ T5399] Modules linked in: [ 79.676337][ T5399] CPU: 1 PID: 5399 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 79.677798][ T5399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.679292][ T5399] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.680539][ T5399] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.681453][ T5399] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.682289][ T5399] sp : ffff8000212477d0 [ 79.682858][ T5399] x29: ffff8000212477e0 x28: ffff0000da4b6000 x27: dfff800000000000 [ 79.684074][ T5399] x26: ffff0000da4b6024 x25: ffff0000e6e78000 x24: 1fffe0001bc9bf97 [ 79.685237][ T5399] x23: 1fffe0001bc9bf97 x22: ffff0000de4dfcb8 x21: 00000000fffffff4 [ 79.686658][ T5399] x20: 0000000000000051 x19: ffff0000de4dfc60 x18: 0000000000000001 [ 79.687950][ T5399] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.689232][ T5399] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.690521][ T5399] x11: 0000000000000000 x10: 0000000000000000 x9 : 23a3889c47357600 [ 79.691758][ T5399] x8 : 23a3889c47357600 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.692995][ T5399] x5 : ffff8000212470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.694277][ T5399] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.695488][ T5399] Call trace: [ 79.695977][ T5399] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.696776][ T5399] btrfs_commit_transaction+0x1b8/0x3044 [ 79.697621][ T5399] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.698408][ T5399] btrfs_ioctl+0x5f0/0xb38 [ 79.699072][ T5399] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.699876][ T5399] invoke_syscall+0x98/0x2b8 [ 79.700509][ T5399] el0_svc_common+0x138/0x258 [ 79.701155][ T5399] do_el0_svc+0x58/0x14c [ 79.701838][ T5399] el0_svc+0x78/0x1e0 [ 79.702379][ T5399] el0t_64_sync_handler+0xcc/0xe4 [ 79.703117][ T5399] el0t_64_sync+0x1a0/0x1a4 [ 79.703728][ T5399] irq event stamp: 80288 [ 79.704337][ T5399] hardirqs last enabled at (80287): [] __up_console_sem+0xb4/0x100 [ 79.705752][ T5399] hardirqs last disabled at (80288): [] el1_dbg+0x24/0x80 [ 79.707066][ T5399] softirqs last enabled at (80250): [] handle_softirqs+0xa4c/0xbf0 [ 79.708376][ T5399] softirqs last disabled at (80241): [] __irq_exit_rcu+0x240/0x440 [ 79.709642][ T5399] ---[ end trace e9a4f3059fc254c9 ]--- [ 79.713797][ T5399] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.715281][ T5399] BTRFS info (device loop0): forced readonly [ 79.856379][ T5421] loop0: detected capacity change from 0 to 32768 [ 79.861303][ T5421] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5421) [ 79.864355][ T5421] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.865819][ T5421] BTRFS info (device loop0): using free space tree [ 79.866759][ T5421] BTRFS info (device loop0): has skinny extents [ 79.883355][ T5421] BTRFS info (device loop0): enabling ssd optimizations [ 79.889375][ T5421] FAULT_INJECTION: forcing a failure. [ 79.889375][ T5421] name failslab, interval 1, probability 0, space 0, times 0 [ 79.892200][ T5421] CPU: 0 PID: 5421 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 79.893414][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.894803][ T5421] Call trace: [ 79.895253][ T5421] dump_backtrace+0x0/0x43c [ 79.895884][ T5421] show_stack+0x2c/0x3c [ 79.896440][ T5421] __dump_stack+0x30/0x40 [ 79.897099][ T5421] dump_stack_lvl+0xf8/0x160 [ 79.897784][ T5421] dump_stack+0x1c/0x5c [ 79.898417][ T5421] should_fail+0x3c0/0x51c [ 79.899030][ T5421] __should_failslab+0xbc/0x10c [ 79.899697][ T5421] should_failslab+0x10/0x28 [ 79.900375][ T5421] slab_pre_alloc_hook+0x64/0xec [ 79.901141][ T5421] kmem_cache_alloc+0x94/0x3e4 [ 79.901836][ T5421] btrfs_alloc_path+0x5c/0x68 [ 79.902516][ T5421] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.903318][ T5421] btrfs_run_delayed_refs+0x124/0x46c [ 79.904093][ T5421] btrfs_commit_transaction+0x1b8/0x3044 [ 79.904944][ T5421] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.905769][ T5421] btrfs_ioctl+0x5f0/0xb38 [ 79.906429][ T5421] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.907130][ T5421] invoke_syscall+0x98/0x2b8 [ 79.907734][ T5421] el0_svc_common+0x138/0x258 [ 79.908442][ T5421] do_el0_svc+0x58/0x14c [ 79.909051][ T5421] el0_svc+0x78/0x1e0 [ 79.909676][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 79.910351][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 79.911262][ T5421] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.913088][ T5421] ------------[ cut here ]------------ [ 79.913935][ T5421] WARNING: CPU: 0 PID: 5421 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.915316][ T5421] Modules linked in: [ 79.915900][ T5421] CPU: 0 PID: 5421 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 79.917109][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.918682][ T5421] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.919859][ T5421] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.920720][ T5421] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.921547][ T5421] sp : ffff8000214877d0 [ 79.922144][ T5421] x29: ffff8000214877e0 x28: ffff0000da4b0000 x27: dfff800000000000 [ 79.923308][ T5421] x26: ffff0000da4b0024 x25: ffff0000e7f30000 x24: 1fffe0001bc9bfc3 [ 79.924475][ T5421] x23: 1fffe0001bc9bfc3 x22: ffff0000de4dfe18 x21: 00000000fffffff4 [ 79.925608][ T5421] x20: 0000000000000051 x19: ffff0000de4dfdc0 x18: 0000000000000001 [ 79.926845][ T5421] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.928150][ T5421] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.929415][ T5421] x11: 0000000000000000 x10: 0000000000000000 x9 : 16775ed6390d7f00 [ 79.930632][ T5421] x8 : 16775ed6390d7f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.931899][ T5421] x5 : ffff8000214870b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.933180][ T5421] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.934407][ T5421] Call trace: [ 79.934916][ T5421] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.935713][ T5421] btrfs_commit_transaction+0x1b8/0x3044 [ 79.936553][ T5421] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.937342][ T5421] btrfs_ioctl+0x5f0/0xb38 [ 79.937994][ T5421] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.938666][ T5421] invoke_syscall+0x98/0x2b8 [ 79.939346][ T5421] el0_svc_common+0x138/0x258 [ 79.939975][ T5421] do_el0_svc+0x58/0x14c [ 79.940619][ T5421] el0_svc+0x78/0x1e0 [ 79.941218][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 79.941947][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 79.942630][ T5421] irq event stamp: 79662 [ 79.943249][ T5421] hardirqs last enabled at (79661): [] __up_console_sem+0xb4/0x100 [ 79.944729][ T5421] hardirqs last disabled at (79662): [] el1_dbg+0x24/0x80 [ 79.946072][ T5421] softirqs last enabled at (79624): [] handle_softirqs+0xa4c/0xbf0 [ 79.947386][ T5421] softirqs last disabled at (79613): [] __irq_exit_rcu+0x240/0x440 [ 79.948687][ T5421] ---[ end trace e9a4f3059fc254ca ]--- [ 79.950218][ T5421] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.951797][ T5421] BTRFS info (device loop0): forced readonly [ 80.094958][ T5443] loop0: detected capacity change from 0 to 32768 [ 80.103376][ T5443] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5443) [ 80.107628][ T5443] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.109119][ T5443] BTRFS info (device loop0): using free space tree [ 80.110257][ T5443] BTRFS info (device loop0): has skinny extents [ 80.117824][ T5443] BTRFS info (device loop0): enabling ssd optimizations [ 80.121878][ T5443] FAULT_INJECTION: forcing a failure. [ 80.121878][ T5443] name failslab, interval 1, probability 0, space 0, times 0 [ 80.124023][ T5443] CPU: 1 PID: 5443 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 80.125353][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.126939][ T5443] Call trace: [ 80.127431][ T5443] dump_backtrace+0x0/0x43c [ 80.128141][ T5443] show_stack+0x2c/0x3c [ 80.128846][ T5443] __dump_stack+0x30/0x40 [ 80.129572][ T5443] dump_stack_lvl+0xf8/0x160 [ 80.130336][ T5443] dump_stack+0x1c/0x5c [ 80.131006][ T5443] should_fail+0x3c0/0x51c [ 80.131665][ T5443] __should_failslab+0xbc/0x10c [ 80.132394][ T5443] should_failslab+0x10/0x28 [ 80.133110][ T5443] slab_pre_alloc_hook+0x64/0xec [ 80.133881][ T5443] kmem_cache_alloc+0x94/0x3e4 [ 80.134646][ T5443] btrfs_alloc_path+0x5c/0x68 [ 80.135327][ T5443] __btrfs_free_extent+0x19c/0x1aa4 [ 80.136100][ T5443] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 80.136866][ T5443] btrfs_run_delayed_refs+0x124/0x46c [ 80.137665][ T5443] btrfs_commit_transaction+0x1b8/0x3044 [ 80.138543][ T5443] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.139348][ T5443] btrfs_ioctl+0x5f0/0xb38 [ 80.139978][ T5443] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.140688][ T5443] invoke_syscall+0x98/0x2b8 [ 80.141316][ T5443] el0_svc_common+0x138/0x258 [ 80.142021][ T5443] do_el0_svc+0x58/0x14c [ 80.142699][ T5443] el0_svc+0x78/0x1e0 [ 80.143288][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 80.144035][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 80.146873][ T5443] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 80.148810][ T5443] ------------[ cut here ]------------ [ 80.149794][ T5443] WARNING: CPU: 1 PID: 5443 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.151218][ T5443] Modules linked in: [ 80.151796][ T5443] CPU: 1 PID: 5443 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 80.152981][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.154440][ T5443] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.155556][ T5443] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.156326][ T5443] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.157077][ T5443] sp : ffff8000212477d0 [ 80.157610][ T5443] x29: ffff8000212477e0 x28: ffff0000c20ea000 x27: dfff800000000000 [ 80.158790][ T5443] x26: ffff0000c20ea024 x25: ffff0000dcc2c000 x24: 1fffe0001bc9b6a5 [ 80.159973][ T5443] x23: 1fffe0001bc9b6a5 x22: ffff0000de4db528 x21: 00000000fffffff4 [ 80.161167][ T5443] x20: 0000000000000051 x19: ffff0000de4db4d0 x18: 0000000000000001 [ 80.162374][ T5443] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.163657][ T5443] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.164897][ T5443] x11: 0000000000000000 x10: 0000000000000000 x9 : 17af2e1c3ff1e500 [ 80.166117][ T5443] x8 : 17af2e1c3ff1e500 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.167286][ T5443] x5 : ffff8000212470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.168482][ T5443] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.169621][ T5443] Call trace: [ 80.170090][ T5443] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.170898][ T5443] btrfs_commit_transaction+0x1b8/0x3044 [ 80.171711][ T5443] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.172547][ T5443] btrfs_ioctl+0x5f0/0xb38 [ 80.173206][ T5443] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.173902][ T5443] invoke_syscall+0x98/0x2b8 [ 80.174548][ T5443] el0_svc_common+0x138/0x258 [ 80.175259][ T5443] do_el0_svc+0x58/0x14c [ 80.175815][ T5443] el0_svc+0x78/0x1e0 [ 80.176380][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 80.177091][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 80.177721][ T5443] irq event stamp: 80126 [ 80.178406][ T5443] hardirqs last enabled at (80125): [] __up_console_sem+0xb4/0x100 [ 80.179701][ T5443] hardirqs last disabled at (80126): [] el1_dbg+0x24/0x80 [ 80.180851][ T5443] softirqs last enabled at (80092): [] handle_softirqs+0xa4c/0xbf0 [ 80.182257][ T5443] softirqs last disabled at (80069): [] __irq_exit_rcu+0x240/0x440 [ 80.183678][ T5443] ---[ end trace e9a4f3059fc254cb ]--- [ 80.187121][ T5443] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.188668][ T5443] BTRFS info (device loop0): forced readonly [ 80.326443][ T5465] loop0: detected capacity change from 0 to 32768 [ 80.352871][ T5465] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5465) [ 80.359591][ T5465] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.361347][ T5465] BTRFS info (device loop0): using free space tree [ 80.362374][ T5465] BTRFS info (device loop0): has skinny extents [ 80.370353][ T5465] BTRFS info (device loop0): enabling ssd optimizations [ 80.375699][ T5465] FAULT_INJECTION: forcing a failure. [ 80.375699][ T5465] name failslab, interval 1, probability 0, space 0, times 0 [ 80.377696][ T5465] CPU: 1 PID: 5465 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 80.378997][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.380536][ T5465] Call trace: [ 80.381036][ T5465] dump_backtrace+0x0/0x43c [ 80.381674][ T5465] show_stack+0x2c/0x3c [ 80.382245][ T5465] __dump_stack+0x30/0x40 [ 80.382856][ T5465] dump_stack_lvl+0xf8/0x160 [ 80.383524][ T5465] dump_stack+0x1c/0x5c [ 80.384150][ T5465] should_fail+0x3c0/0x51c [ 80.384777][ T5465] __should_failslab+0xbc/0x10c [ 80.385480][ T5465] should_failslab+0x10/0x28 [ 80.386130][ T5465] slab_pre_alloc_hook+0x64/0xec [ 80.386870][ T5465] kmem_cache_alloc+0x94/0x3e4 [ 80.387527][ T5465] btrfs_alloc_path+0x5c/0x68 [ 80.388163][ T5465] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.388978][ T5465] btrfs_run_delayed_refs+0x124/0x46c [ 80.389743][ T5465] btrfs_commit_transaction+0x1b8/0x3044 [ 80.390569][ T5465] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.391365][ T5465] btrfs_ioctl+0x5f0/0xb38 [ 80.391945][ T5465] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.392611][ T5465] invoke_syscall+0x98/0x2b8 [ 80.393304][ T5465] el0_svc_common+0x138/0x258 [ 80.394012][ T5465] do_el0_svc+0x58/0x14c [ 80.394616][ T5465] el0_svc+0x78/0x1e0 [ 80.395253][ T5465] el0t_64_sync_handler+0xcc/0xe4 [ 80.396034][ T5465] el0t_64_sync+0x1a0/0x1a4 [ 80.399079][ T5465] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.401288][ T5465] ------------[ cut here ]------------ [ 80.402192][ T5465] WARNING: CPU: 1 PID: 5465 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.403800][ T5465] Modules linked in: [ 80.404395][ T5465] CPU: 1 PID: 5465 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 80.405678][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.407077][ T5465] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.408218][ T5465] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.409024][ T5465] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.409831][ T5465] sp : ffff800021ae77d0 [ 80.410398][ T5465] x29: ffff800021ae77e0 x28: ffff0000c20ec000 x27: dfff800000000000 [ 80.411583][ T5465] x26: ffff0000c20ec024 x25: ffff0000dcc2c000 x24: 1fffe0001bc9b7ad [ 80.412703][ T5465] x23: 1fffe0001bc9b7ad x22: ffff0000de4dbd68 x21: 00000000fffffff4 [ 80.413958][ T5465] x20: 0000000000000051 x19: ffff0000de4dbd10 x18: 0000000000000001 [ 80.415110][ T5465] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.416322][ T5465] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.417543][ T5465] x11: 0000000000000000 x10: 0000000000000000 x9 : ad9d6ec269d02200 [ 80.418677][ T5465] x8 : ad9d6ec269d02200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.419794][ T5465] x5 : ffff800021ae70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.420886][ T5465] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.422102][ T5465] Call trace: [ 80.422568][ T5465] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.423281][ T5465] btrfs_commit_transaction+0x1b8/0x3044 [ 80.424055][ T5465] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.424790][ T5465] btrfs_ioctl+0x5f0/0xb38 [ 80.425422][ T5465] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.426094][ T5465] invoke_syscall+0x98/0x2b8 [ 80.426727][ T5465] el0_svc_common+0x138/0x258 [ 80.427386][ T5465] do_el0_svc+0x58/0x14c [ 80.428049][ T5465] el0_svc+0x78/0x1e0 [ 80.428614][ T5465] el0t_64_sync_handler+0xcc/0xe4 [ 80.429354][ T5465] el0t_64_sync+0x1a0/0x1a4 [ 80.430094][ T5465] irq event stamp: 80728 [ 80.430743][ T5465] hardirqs last enabled at (80727): [] __up_console_sem+0xb4/0x100 [ 80.432292][ T5465] hardirqs last disabled at (80728): [] el1_dbg+0x24/0x80 [ 80.433623][ T5465] softirqs last enabled at (80702): [] handle_softirqs+0xa4c/0xbf0 [ 80.435063][ T5465] softirqs last disabled at (80693): [] __irq_exit_rcu+0x240/0x440 [ 80.436351][ T5465] ---[ end trace e9a4f3059fc254cc ]--- [ 80.439476][ T5465] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.441093][ T5465] BTRFS info (device loop0): forced readonly [ 80.580542][ T5487] loop0: detected capacity change from 0 to 32768 [ 80.611966][ T5487] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5487) [ 80.661609][ T5487] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.663138][ T5487] BTRFS info (device loop0): using free space tree [ 80.664159][ T5487] BTRFS info (device loop0): has skinny extents [ 80.671976][ T5487] BTRFS info (device loop0): enabling ssd optimizations [ 80.675856][ T5487] FAULT_INJECTION: forcing a failure. [ 80.675856][ T5487] name failslab, interval 1, probability 0, space 0, times 0 [ 80.677951][ T5487] CPU: 1 PID: 5487 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 80.679295][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.680936][ T5487] Call trace: [ 80.681482][ T5487] dump_backtrace+0x0/0x43c [ 80.682233][ T5487] show_stack+0x2c/0x3c [ 80.682849][ T5487] __dump_stack+0x30/0x40 [ 80.683500][ T5487] dump_stack_lvl+0xf8/0x160 [ 80.684188][ T5487] dump_stack+0x1c/0x5c [ 80.684815][ T5487] should_fail+0x3c0/0x51c [ 80.685456][ T5487] __should_failslab+0xbc/0x10c [ 80.686152][ T5487] should_failslab+0x10/0x28 [ 80.686850][ T5487] slab_pre_alloc_hook+0x64/0xec [ 80.687550][ T5487] kmem_cache_alloc+0x94/0x3e4 [ 80.688207][ T5487] btrfs_alloc_path+0x5c/0x68 [ 80.688874][ T5487] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.689718][ T5487] btrfs_run_delayed_refs+0x124/0x46c [ 80.690462][ T5487] btrfs_commit_transaction+0x1b8/0x3044 [ 80.691273][ T5487] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.692056][ T5487] btrfs_ioctl+0x5f0/0xb38 [ 80.692665][ T5487] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.693363][ T5487] invoke_syscall+0x98/0x2b8 [ 80.693987][ T5487] el0_svc_common+0x138/0x258 [ 80.694646][ T5487] do_el0_svc+0x58/0x14c [ 80.695294][ T5487] el0_svc+0x78/0x1e0 [ 80.695866][ T5487] el0t_64_sync_handler+0xcc/0xe4 [ 80.696604][ T5487] el0t_64_sync+0x1a0/0x1a4 [ 80.699535][ T5487] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.701500][ T5487] ------------[ cut here ]------------ [ 80.702749][ T5487] WARNING: CPU: 1 PID: 5487 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.704363][ T5487] Modules linked in: [ 80.704926][ T5487] CPU: 1 PID: 5487 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 80.706244][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.707800][ T5487] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.708837][ T5487] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.709613][ T5487] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.710438][ T5487] sp : ffff800021c277d0 [ 80.711049][ T5487] x29: ffff800021c277e0 x28: ffff0000c20ed000 x27: dfff800000000000 [ 80.712243][ T5487] x26: ffff0000c20ed024 x25: ffff0000d6c30000 x24: 1fffe0001bc9b7d9 [ 80.713459][ T5487] x23: 1fffe0001bc9b7d9 x22: ffff0000de4dbec8 x21: 00000000fffffff4 [ 80.714621][ T5487] x20: 0000000000000051 x19: ffff0000de4dbe70 x18: 0000000000000001 [ 80.715801][ T5487] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.716993][ T5487] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.718220][ T5487] x11: 0000000000000000 x10: 0000000000000000 x9 : 8da77dd1a7277500 [ 80.719327][ T5487] x8 : 8da77dd1a7277500 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.720519][ T5487] x5 : ffff800021c270b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.721635][ T5487] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.722762][ T5487] Call trace: [ 80.723223][ T5487] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.724066][ T5487] btrfs_commit_transaction+0x1b8/0x3044 [ 80.724940][ T5487] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.725754][ T5487] btrfs_ioctl+0x5f0/0xb38 [ 80.726394][ T5487] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.727096][ T5487] invoke_syscall+0x98/0x2b8 [ 80.727723][ T5487] el0_svc_common+0x138/0x258 [ 80.728444][ T5487] do_el0_svc+0x58/0x14c [ 80.729159][ T5487] el0_svc+0x78/0x1e0 [ 80.729782][ T5487] el0t_64_sync_handler+0xcc/0xe4 [ 80.730552][ T5487] el0t_64_sync+0x1a0/0x1a4 [ 80.731191][ T5487] irq event stamp: 79504 [ 80.731903][ T5487] hardirqs last enabled at (79503): [] __up_console_sem+0xb4/0x100 [ 80.733472][ T5487] hardirqs last disabled at (79504): [] el1_dbg+0x24/0x80 [ 80.734739][ T5487] softirqs last enabled at (79492): [] handle_softirqs+0xa4c/0xbf0 [ 80.736169][ T5487] softirqs last disabled at (79453): [] __irq_exit_rcu+0x240/0x440 [ 80.737500][ T5487] ---[ end trace e9a4f3059fc254cd ]--- [ 80.739350][ T5487] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.740902][ T5487] BTRFS info (device loop0): forced readonly [ 80.929555][ T5508] loop0: detected capacity change from 0 to 32768 [ 80.986213][ T5508] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5508) [ 80.989870][ T5508] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.991797][ T5508] BTRFS info (device loop0): using free space tree [ 80.992815][ T5508] BTRFS info (device loop0): has skinny extents [ 81.001525][ T5508] BTRFS info (device loop0): enabling ssd optimizations [ 81.005124][ T5508] FAULT_INJECTION: forcing a failure. [ 81.005124][ T5508] name failslab, interval 1, probability 0, space 0, times 0 [ 81.007138][ T5508] CPU: 1 PID: 5508 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 81.008397][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.009841][ T5508] Call trace: [ 81.010320][ T5508] dump_backtrace+0x0/0x43c [ 81.010994][ T5508] show_stack+0x2c/0x3c [ 81.011611][ T5508] __dump_stack+0x30/0x40 [ 81.012268][ T5508] dump_stack_lvl+0xf8/0x160 [ 81.012951][ T5508] dump_stack+0x1c/0x5c [ 81.013549][ T5508] should_fail+0x3c0/0x51c [ 81.014182][ T5508] __should_failslab+0xbc/0x10c [ 81.014931][ T5508] should_failslab+0x10/0x28 [ 81.015621][ T5508] slab_pre_alloc_hook+0x64/0xec [ 81.016373][ T5508] kmem_cache_alloc+0x94/0x3e4 [ 81.017075][ T5508] btrfs_alloc_path+0x5c/0x68 [ 81.017747][ T5508] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.018462][ T5508] btrfs_run_delayed_refs+0x124/0x46c [ 81.019186][ T5508] btrfs_commit_transaction+0x1b8/0x3044 [ 81.020030][ T5508] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.020789][ T5508] btrfs_ioctl+0x5f0/0xb38 [ 81.021385][ T5508] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.022148][ T5508] invoke_syscall+0x98/0x2b8 [ 81.022786][ T5508] el0_svc_common+0x138/0x258 [ 81.023469][ T5508] do_el0_svc+0x58/0x14c [ 81.024103][ T5508] el0_svc+0x78/0x1e0 [ 81.024653][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 81.025396][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 81.028653][ T5508] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.030808][ T5508] ------------[ cut here ]------------ [ 81.031776][ T5508] WARNING: CPU: 1 PID: 5508 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.033317][ T5508] Modules linked in: [ 81.033929][ T5508] CPU: 1 PID: 5508 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 81.035252][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.036716][ T5508] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.037901][ T5508] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.038791][ T5508] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.039736][ T5508] sp : ffff800021c277d0 [ 81.040377][ T5508] x29: ffff800021c277e0 x28: ffff0000e7597000 x27: dfff800000000000 [ 81.041700][ T5508] x26: ffff0000e7597024 x25: ffff0000eb904000 x24: 1fffe0001bc9b73f [ 81.042902][ T5508] x23: 1fffe0001bc9b73f x22: ffff0000de4db9f8 x21: 00000000fffffff4 [ 81.044085][ T5508] x20: 0000000000000051 x19: ffff0000de4db9a0 x18: 0000000000000001 [ 81.045170][ T5508] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.046405][ T5508] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.047584][ T5508] x11: 0000000000000000 x10: 0000000000000000 x9 : f759faa9b9702b00 [ 81.048810][ T5508] x8 : f759faa9b9702b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.050010][ T5508] x5 : ffff800021c270b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.051131][ T5508] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.052344][ T5508] Call trace: [ 81.052805][ T5508] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.053611][ T5508] btrfs_commit_transaction+0x1b8/0x3044 [ 81.054409][ T5508] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.055202][ T5508] btrfs_ioctl+0x5f0/0xb38 [ 81.055955][ T5508] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.056764][ T5508] invoke_syscall+0x98/0x2b8 [ 81.057434][ T5508] el0_svc_common+0x138/0x258 [ 81.058116][ T5508] do_el0_svc+0x58/0x14c [ 81.058751][ T5508] el0_svc+0x78/0x1e0 [ 81.059338][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 81.060101][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 81.060794][ T5508] irq event stamp: 79460 [ 81.061379][ T5508] hardirqs last enabled at (79459): [] __up_console_sem+0xb4/0x100 [ 81.062877][ T5508] hardirqs last disabled at (79460): [] el1_dbg+0x24/0x80 [ 81.064385][ T5508] softirqs last enabled at (79434): [] handle_softirqs+0xa4c/0xbf0 [ 81.065752][ T5508] softirqs last disabled at (79421): [] __irq_exit_rcu+0x240/0x440 [ 81.067211][ T5508] ---[ end trace e9a4f3059fc254ce ]--- [ 81.070618][ T5508] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.072160][ T5508] BTRFS info (device loop0): forced readonly [ 81.211744][ T5530] loop0: detected capacity change from 0 to 32768 [ 81.251892][ T5530] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5530) [ 81.255120][ T5530] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.256382][ T5530] BTRFS info (device loop0): using free space tree [ 81.257374][ T5530] BTRFS info (device loop0): has skinny extents [ 81.270243][ T5530] BTRFS info (device loop0): enabling ssd optimizations [ 81.274293][ T5530] FAULT_INJECTION: forcing a failure. [ 81.274293][ T5530] name failslab, interval 1, probability 0, space 0, times 0 [ 81.276142][ T5530] CPU: 0 PID: 5530 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 81.277296][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.278751][ T5530] Call trace: [ 81.279183][ T5530] dump_backtrace+0x0/0x43c [ 81.279862][ T5530] show_stack+0x2c/0x3c [ 81.280377][ T5530] __dump_stack+0x30/0x40 [ 81.281006][ T5530] dump_stack_lvl+0xf8/0x160 [ 81.281688][ T5530] dump_stack+0x1c/0x5c [ 81.282272][ T5530] should_fail+0x3c0/0x51c [ 81.282876][ T5530] __should_failslab+0xbc/0x10c [ 81.283527][ T5530] should_failslab+0x10/0x28 [ 81.284145][ T5530] slab_pre_alloc_hook+0x64/0xec [ 81.284828][ T5530] kmem_cache_alloc+0x94/0x3e4 [ 81.285487][ T5530] btrfs_alloc_path+0x5c/0x68 [ 81.286136][ T5530] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.286911][ T5530] btrfs_run_delayed_refs+0x124/0x46c [ 81.287646][ T5530] btrfs_commit_transaction+0x1b8/0x3044 [ 81.288416][ T5530] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.289180][ T5530] btrfs_ioctl+0x5f0/0xb38 [ 81.289775][ T5530] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.290453][ T5530] invoke_syscall+0x98/0x2b8 [ 81.291090][ T5530] el0_svc_common+0x138/0x258 [ 81.291748][ T5530] do_el0_svc+0x58/0x14c [ 81.292320][ T5530] el0_svc+0x78/0x1e0 [ 81.292872][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 81.293555][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 81.300735][ T5530] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.302593][ T5530] ------------[ cut here ]------------ [ 81.303485][ T5530] WARNING: CPU: 1 PID: 5530 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.304931][ T5530] Modules linked in: [ 81.305512][ T5530] CPU: 1 PID: 5530 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 81.306886][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.308413][ T5530] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.309712][ T5530] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.310539][ T5530] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.311338][ T5530] sp : ffff8000220277d0 [ 81.311976][ T5530] x29: ffff8000220277e0 x28: ffff0000da4b2000 x27: dfff800000000000 [ 81.313194][ T5530] x26: ffff0000da4b2024 x25: ffff0000dc2a8000 x24: 1fffe0001bc9be4d [ 81.314640][ T5530] x23: 1fffe0001bc9be4d x22: ffff0000de4df268 x21: 00000000fffffff4 [ 81.315900][ T5530] x20: 0000000000000051 x19: ffff0000de4df210 x18: 0000000000000001 [ 81.317113][ T5530] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.318356][ T5530] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.319598][ T5530] x11: 0000000000000000 x10: 0000000000000000 x9 : 8f39262aa8d2c600 [ 81.320893][ T5530] x8 : 8f39262aa8d2c600 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.322129][ T5530] x5 : ffff8000220270b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.323346][ T5530] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.324511][ T5530] Call trace: [ 81.324981][ T5530] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.325804][ T5530] btrfs_commit_transaction+0x1b8/0x3044 [ 81.326635][ T5530] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.327482][ T5530] btrfs_ioctl+0x5f0/0xb38 [ 81.328103][ T5530] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.328798][ T5530] invoke_syscall+0x98/0x2b8 [ 81.329471][ T5530] el0_svc_common+0x138/0x258 [ 81.330138][ T5530] do_el0_svc+0x58/0x14c [ 81.330920][ T5530] el0_svc+0x78/0x1e0 [ 81.331532][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 81.332315][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 81.333017][ T5530] irq event stamp: 79752 [ 81.333634][ T5530] hardirqs last enabled at (79751): [] __up_console_sem+0xb4/0x100 [ 81.335043][ T5530] hardirqs last disabled at (79752): [] el1_dbg+0x24/0x80 [ 81.336330][ T5530] softirqs last enabled at (79714): [] handle_softirqs+0xa4c/0xbf0 [ 81.337667][ T5530] softirqs last disabled at (79611): [] __irq_exit_rcu+0x240/0x440 [ 81.338915][ T5530] ---[ end trace e9a4f3059fc254cf ]--- [ 81.340564][ T5530] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.342026][ T5530] BTRFS info (device loop0): forced readonly [ 81.484929][ T5552] loop0: detected capacity change from 0 to 32768 [ 81.534999][ T5552] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5552) [ 81.539431][ T5552] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.540875][ T5552] BTRFS info (device loop0): using free space tree [ 81.541819][ T5552] BTRFS info (device loop0): has skinny extents [ 81.555225][ T5552] BTRFS info (device loop0): enabling ssd optimizations [ 81.558770][ T5552] FAULT_INJECTION: forcing a failure. [ 81.558770][ T5552] name failslab, interval 1, probability 0, space 0, times 0 [ 81.561001][ T5552] CPU: 0 PID: 5552 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 81.562280][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.563712][ T5552] Call trace: [ 81.564170][ T5552] dump_backtrace+0x0/0x43c [ 81.564805][ T5552] show_stack+0x2c/0x3c [ 81.565390][ T5552] __dump_stack+0x30/0x40 [ 81.566058][ T5552] dump_stack_lvl+0xf8/0x160 [ 81.566737][ T5552] dump_stack+0x1c/0x5c [ 81.567322][ T5552] should_fail+0x3c0/0x51c [ 81.567883][ T5552] __should_failslab+0xbc/0x10c [ 81.568583][ T5552] should_failslab+0x10/0x28 [ 81.569219][ T5552] slab_pre_alloc_hook+0x64/0xec [ 81.569886][ T5552] kmem_cache_alloc+0x94/0x3e4 [ 81.570527][ T5552] start_transaction+0x4d0/0x13f0 [ 81.571215][ T5552] btrfs_start_transaction+0x34/0x44 [ 81.571961][ T5552] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 81.572699][ T5552] btrfs_ioctl+0x5f0/0xb38 [ 81.573322][ T5552] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.574039][ T5552] invoke_syscall+0x98/0x2b8 [ 81.574703][ T5552] el0_svc_common+0x138/0x258 [ 81.575386][ T5552] do_el0_svc+0x58/0x14c [ 81.575979][ T5552] el0_svc+0x78/0x1e0 [ 81.576507][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 81.577204][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 81.639432][ T4514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4514) [ 81.727279][ T5573] loop0: detected capacity change from 0 to 32768 [ 81.784070][ T5573] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.785457][ T5573] BTRFS info (device loop0): using free space tree [ 81.786439][ T5573] BTRFS info (device loop0): has skinny extents [ 81.796146][ T5573] BTRFS info (device loop0): enabling ssd optimizations [ 81.799779][ T5573] FAULT_INJECTION: forcing a failure. [ 81.799779][ T5573] name failslab, interval 1, probability 0, space 0, times 0 [ 81.803084][ T5573] CPU: 1 PID: 5573 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 81.804425][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.805897][ T5573] Call trace: [ 81.806382][ T5573] dump_backtrace+0x0/0x43c [ 81.807027][ T5573] show_stack+0x2c/0x3c [ 81.807593][ T5573] __dump_stack+0x30/0x40 [ 81.808255][ T5573] dump_stack_lvl+0xf8/0x160 [ 81.808954][ T5573] dump_stack+0x1c/0x5c [ 81.809548][ T5573] should_fail+0x3c0/0x51c [ 81.810223][ T5573] __should_failslab+0xbc/0x10c [ 81.811003][ T5573] should_failslab+0x10/0x28 [ 81.811726][ T5573] slab_pre_alloc_hook+0x64/0xec [ 81.812473][ T5573] kmem_cache_alloc+0x94/0x3e4 [ 81.813215][ T5573] btrfs_alloc_path+0x5c/0x68 [ 81.813907][ T5573] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.814737][ T5573] btrfs_run_delayed_refs+0x124/0x46c [ 81.815484][ T5573] btrfs_commit_transaction+0x1b8/0x3044 [ 81.816276][ T5573] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.817105][ T5573] btrfs_ioctl+0x5f0/0xb38 [ 81.817671][ T5573] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.818402][ T5573] invoke_syscall+0x98/0x2b8 [ 81.819124][ T5573] el0_svc_common+0x138/0x258 [ 81.819864][ T5573] do_el0_svc+0x58/0x14c [ 81.820526][ T5573] el0_svc+0x78/0x1e0 [ 81.821066][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 81.821756][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 81.824442][ T5573] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.826310][ T5573] ------------[ cut here ]------------ [ 81.827214][ T5573] WARNING: CPU: 1 PID: 5573 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.828642][ T5573] Modules linked in: [ 81.829252][ T5573] CPU: 1 PID: 5573 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 81.830534][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.831996][ T5573] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.833114][ T5573] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.833930][ T5573] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.834731][ T5573] sp : ffff800021e477d0 [ 81.835361][ T5573] x29: ffff800021e477e0 x28: ffff0000cbba2000 x27: dfff800000000000 [ 81.836537][ T5573] x26: ffff0000cbba2024 x25: ffff0000dcef4000 x24: 1fffe0001bc9b6fd [ 81.837724][ T5573] x23: 1fffe0001bc9b6fd x22: ffff0000de4db7e8 x21: 00000000fffffff4 [ 81.838852][ T5573] x20: 0000000000000051 x19: ffff0000de4db790 x18: 0000000000000001 [ 81.840046][ T5573] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.841258][ T5573] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.842534][ T5573] x11: 0000000000000000 x10: 0000000000000000 x9 : ca4361ae32152700 [ 81.843763][ T5573] x8 : ca4361ae32152700 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.844957][ T5573] x5 : ffff800021e470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.846169][ T5573] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.847370][ T5573] Call trace: [ 81.847833][ T5573] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.848659][ T5573] btrfs_commit_transaction+0x1b8/0x3044 [ 81.849536][ T5573] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.850289][ T5573] btrfs_ioctl+0x5f0/0xb38 [ 81.850935][ T5573] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.851770][ T5573] invoke_syscall+0x98/0x2b8 [ 81.852534][ T5573] el0_svc_common+0x138/0x258 [ 81.853284][ T5573] do_el0_svc+0x58/0x14c [ 81.853979][ T5573] el0_svc+0x78/0x1e0 [ 81.854598][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 81.855417][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 81.856117][ T5573] irq event stamp: 80462 [ 81.856740][ T5573] hardirqs last enabled at (80461): [] __up_console_sem+0xb4/0x100 [ 81.858109][ T5573] hardirqs last disabled at (80462): [] el1_dbg+0x24/0x80 [ 81.859424][ T5573] softirqs last enabled at (80424): [] handle_softirqs+0xa4c/0xbf0 [ 81.860843][ T5573] softirqs last disabled at (80407): [] __irq_exit_rcu+0x240/0x440 [ 81.862222][ T5573] ---[ end trace e9a4f3059fc254d0 ]--- [ 81.865426][ T5573] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.866811][ T5573] BTRFS info (device loop0): forced readonly [ 82.023207][ T5596] loop0: detected capacity change from 0 to 32768 [ 82.032131][ T5596] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5596) [ 82.035814][ T5596] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.037162][ T5596] BTRFS info (device loop0): using free space tree [ 82.038074][ T5596] BTRFS info (device loop0): has skinny extents [ 82.045905][ T5596] BTRFS info (device loop0): enabling ssd optimizations [ 82.056375][ T5596] FAULT_INJECTION: forcing a failure. [ 82.056375][ T5596] name failslab, interval 1, probability 0, space 0, times 0 [ 82.058289][ T5596] CPU: 0 PID: 5596 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 82.059558][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.061293][ T5596] Call trace: [ 82.061833][ T5596] dump_backtrace+0x0/0x43c [ 82.062519][ T5596] show_stack+0x2c/0x3c [ 82.063161][ T5596] __dump_stack+0x30/0x40 [ 82.063839][ T5596] dump_stack_lvl+0xf8/0x160 [ 82.064541][ T5596] dump_stack+0x1c/0x5c [ 82.065191][ T5596] should_fail+0x3c0/0x51c [ 82.065847][ T5596] __should_failslab+0xbc/0x10c [ 82.066580][ T5596] should_failslab+0x10/0x28 [ 82.067212][ T5596] slab_pre_alloc_hook+0x64/0xec [ 82.067946][ T5596] kmem_cache_alloc+0x94/0x3e4 [ 82.068682][ T5596] btrfs_alloc_path+0x5c/0x68 [ 82.069382][ T5596] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.070177][ T5596] btrfs_run_delayed_refs+0x124/0x46c [ 82.070898][ T5596] btrfs_commit_transaction+0x1b8/0x3044 [ 82.071671][ T5596] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.072486][ T5596] btrfs_ioctl+0x5f0/0xb38 [ 82.073126][ T5596] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.073838][ T5596] invoke_syscall+0x98/0x2b8 [ 82.074476][ T5596] el0_svc_common+0x138/0x258 [ 82.075195][ T5596] do_el0_svc+0x58/0x14c [ 82.075820][ T5596] el0_svc+0x78/0x1e0 [ 82.076416][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 82.077168][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 82.078092][ T5596] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.079685][ T5596] ------------[ cut here ]------------ [ 82.080487][ T5596] WARNING: CPU: 0 PID: 5596 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.081787][ T5596] Modules linked in: [ 82.082276][ T5596] CPU: 0 PID: 5596 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 82.083412][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.084695][ T5596] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.085722][ T5596] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.086405][ T5596] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.087106][ T5596] sp : ffff800021e477d0 [ 82.087682][ T5596] x29: ffff800021e477e0 x28: ffff0000d342b000 x27: dfff800000000000 [ 82.088727][ T5596] x26: ffff0000d342b024 x25: ffff0000dcef4000 x24: 1fffe0001bc9bfef [ 82.089832][ T5596] x23: 1fffe0001bc9bfef x22: ffff0000de4dff78 x21: 00000000fffffff4 [ 82.091114][ T5596] x20: 0000000000000051 x19: ffff0000de4dff20 x18: 0000000000000001 [ 82.092356][ T5596] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.093508][ T5596] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.094718][ T5596] x11: 0000000000000000 x10: 0000000000000000 x9 : ddb3ffce05d7e900 [ 82.095904][ T5596] x8 : ddb3ffce05d7e900 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.097067][ T5596] x5 : ffff800021e470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.098255][ T5596] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.099402][ T5596] Call trace: [ 82.099854][ T5596] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.100609][ T5596] btrfs_commit_transaction+0x1b8/0x3044 [ 82.101351][ T5596] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.102105][ T5596] btrfs_ioctl+0x5f0/0xb38 [ 82.102678][ T5596] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.103324][ T5596] invoke_syscall+0x98/0x2b8 [ 82.103923][ T5596] el0_svc_common+0x138/0x258 [ 82.104527][ T5596] do_el0_svc+0x58/0x14c [ 82.105091][ T5596] el0_svc+0x78/0x1e0 [ 82.105631][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 82.106316][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 82.106910][ T5596] irq event stamp: 79956 [ 82.107454][ T5596] hardirqs last enabled at (79955): [] __up_console_sem+0xb4/0x100 [ 82.108679][ T5596] hardirqs last disabled at (79956): [] el1_dbg+0x24/0x80 [ 82.109876][ T5596] softirqs last enabled at (79918): [] handle_softirqs+0xa4c/0xbf0 [ 82.111227][ T5596] softirqs last disabled at (79903): [] __irq_exit_rcu+0x240/0x440 [ 82.112520][ T5596] ---[ end trace e9a4f3059fc254d1 ]--- [ 82.114065][ T5596] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.115507][ T5596] BTRFS info (device loop0): forced readonly [ 82.263182][ T5618] loop0: detected capacity change from 0 to 32768 [ 82.271975][ T5618] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5618) [ 82.276402][ T5618] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.277812][ T5618] BTRFS info (device loop0): using free space tree [ 82.278764][ T5618] BTRFS info (device loop0): has skinny extents [ 82.286748][ T5618] BTRFS info (device loop0): enabling ssd optimizations [ 82.289984][ T5618] FAULT_INJECTION: forcing a failure. [ 82.289984][ T5618] name failslab, interval 1, probability 0, space 0, times 0 [ 82.292520][ T5618] CPU: 0 PID: 5618 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 82.293785][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.295363][ T5618] Call trace: [ 82.295883][ T5618] dump_backtrace+0x0/0x43c [ 82.296549][ T5618] show_stack+0x2c/0x3c [ 82.297134][ T5618] __dump_stack+0x30/0x40 [ 82.297784][ T5618] dump_stack_lvl+0xf8/0x160 [ 82.298368][ T5618] dump_stack+0x1c/0x5c [ 82.298952][ T5618] should_fail+0x3c0/0x51c [ 82.299564][ T5618] __should_failslab+0xbc/0x10c [ 82.300267][ T5618] should_failslab+0x10/0x28 [ 82.300960][ T5618] slab_pre_alloc_hook+0x64/0xec [ 82.301687][ T5618] kmem_cache_alloc+0x94/0x3e4 [ 82.302387][ T5618] start_transaction+0x4d0/0x13f0 [ 82.303086][ T5618] btrfs_start_transaction+0x34/0x44 [ 82.303865][ T5618] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 82.304788][ T5618] btrfs_ioctl+0x5f0/0xb38 [ 82.305474][ T5618] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.306205][ T5618] invoke_syscall+0x98/0x2b8 [ 82.306857][ T5618] el0_svc_common+0x138/0x258 [ 82.307621][ T5618] do_el0_svc+0x58/0x14c [ 82.308272][ T5618] el0_svc+0x78/0x1e0 [ 82.308889][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 82.309627][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 82.367535][ T4514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4514) [ 82.463942][ T5639] loop0: detected capacity change from 0 to 32768 [ 82.506973][ T5639] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.508450][ T5639] BTRFS info (device loop0): using free space tree [ 82.509528][ T5639] BTRFS info (device loop0): has skinny extents [ 82.518420][ T5639] BTRFS info (device loop0): enabling ssd optimizations [ 82.527615][ T5639] FAULT_INJECTION: forcing a failure. [ 82.527615][ T5639] name failslab, interval 1, probability 0, space 0, times 0 [ 82.529541][ T5639] CPU: 1 PID: 5639 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 82.530881][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.532377][ T5639] Call trace: [ 82.532925][ T5639] dump_backtrace+0x0/0x43c [ 82.533631][ T5639] show_stack+0x2c/0x3c [ 82.534320][ T5639] __dump_stack+0x30/0x40 [ 82.535000][ T5639] dump_stack_lvl+0xf8/0x160 [ 82.535740][ T5639] dump_stack+0x1c/0x5c [ 82.536400][ T5639] should_fail+0x3c0/0x51c [ 82.537067][ T5639] __should_failslab+0xbc/0x10c [ 82.537812][ T5639] should_failslab+0x10/0x28 [ 82.538519][ T5639] slab_pre_alloc_hook+0x64/0xec [ 82.539243][ T5639] kmem_cache_alloc+0x94/0x3e4 [ 82.539924][ T5639] btrfs_alloc_path+0x5c/0x68 [ 82.540599][ T5639] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.541439][ T5639] btrfs_run_delayed_refs+0x124/0x46c [ 82.542158][ T5639] btrfs_commit_transaction+0x1b8/0x3044 [ 82.542957][ T5639] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.543705][ T5639] btrfs_ioctl+0x5f0/0xb38 [ 82.544287][ T5639] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.544986][ T5639] invoke_syscall+0x98/0x2b8 [ 82.545636][ T5639] el0_svc_common+0x138/0x258 [ 82.546307][ T5639] do_el0_svc+0x58/0x14c [ 82.546987][ T5639] el0_svc+0x78/0x1e0 [ 82.547594][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 82.548397][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 82.551232][ T5639] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.553269][ T5639] ------------[ cut here ]------------ [ 82.554129][ T5639] WARNING: CPU: 1 PID: 5639 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.555649][ T5639] Modules linked in: [ 82.556146][ T5639] CPU: 1 PID: 5639 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 82.557390][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.558786][ T5639] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.559888][ T5639] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.560718][ T5639] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.561570][ T5639] sp : ffff8000226b77d0 [ 82.562137][ T5639] x29: ffff8000226b77e0 x28: ffff0000d342f000 x27: dfff800000000000 [ 82.563313][ T5639] x26: ffff0000d342f024 x25: ffff0000c1b9c000 x24: 1fffe0001bc9b6e7 [ 82.564445][ T5639] x23: 1fffe0001bc9b6e7 x22: ffff0000de4db738 x21: 00000000fffffff4 [ 82.565608][ T5639] x20: 0000000000000051 x19: ffff0000de4db6e0 x18: 0000000000000001 [ 82.566796][ T5639] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.568042][ T5639] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.569406][ T5639] x11: 0000000000000000 x10: 0000000000000000 x9 : 29716e08cf138c00 [ 82.570668][ T5639] x8 : 29716e08cf138c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.571921][ T5639] x5 : ffff8000226b70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.573201][ T5639] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.574487][ T5639] Call trace: [ 82.574982][ T5639] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.575743][ T5639] btrfs_commit_transaction+0x1b8/0x3044 [ 82.576642][ T5639] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.577471][ T5639] btrfs_ioctl+0x5f0/0xb38 [ 82.578126][ T5639] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.578774][ T5639] invoke_syscall+0x98/0x2b8 [ 82.579373][ T5639] el0_svc_common+0x138/0x258 [ 82.580077][ T5639] do_el0_svc+0x58/0x14c [ 82.580686][ T5639] el0_svc+0x78/0x1e0 [ 82.581219][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 82.581974][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 82.582612][ T5639] irq event stamp: 80526 [ 82.583212][ T5639] hardirqs last enabled at (80525): [] __up_console_sem+0xb4/0x100 [ 82.584609][ T5639] hardirqs last disabled at (80526): [] el1_dbg+0x24/0x80 [ 82.585811][ T5639] softirqs last enabled at (80488): [] handle_softirqs+0xa4c/0xbf0 [ 82.587132][ T5639] softirqs last disabled at (80343): [] __irq_exit_rcu+0x240/0x440 [ 82.588532][ T5639] ---[ end trace e9a4f3059fc254d2 ]--- [ 82.590686][ T5639] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.592271][ T5639] BTRFS info (device loop0): forced readonly [ 82.737845][ T5662] loop0: detected capacity change from 0 to 32768 [ 82.747070][ T5662] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5662) [ 82.750851][ T5662] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.752189][ T5662] BTRFS info (device loop0): using free space tree [ 82.753155][ T5662] BTRFS info (device loop0): has skinny extents [ 82.763543][ T5662] BTRFS info (device loop0): enabling ssd optimizations [ 82.769663][ T5662] FAULT_INJECTION: forcing a failure. [ 82.769663][ T5662] name failslab, interval 1, probability 0, space 0, times 0 [ 82.771800][ T5662] CPU: 1 PID: 5662 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.773060][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.774504][ T5662] Call trace: [ 82.774978][ T5662] dump_backtrace+0x0/0x43c [ 82.775622][ T5662] show_stack+0x2c/0x3c [ 82.776187][ T5662] __dump_stack+0x30/0x40 [ 82.776760][ T5662] dump_stack_lvl+0xf8/0x160 [ 82.777389][ T5662] dump_stack+0x1c/0x5c [ 82.778024][ T5662] should_fail+0x3c0/0x51c [ 82.778677][ T5662] __should_failslab+0xbc/0x10c [ 82.779349][ T5662] should_failslab+0x10/0x28 [ 82.780027][ T5662] slab_pre_alloc_hook+0x64/0xec [ 82.780733][ T5662] kmem_cache_alloc+0x94/0x3e4 [ 82.781384][ T5662] btrfs_alloc_path+0x5c/0x68 [ 82.782016][ T5662] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.782797][ T5662] btrfs_run_delayed_refs+0x124/0x46c [ 82.783596][ T5662] btrfs_commit_transaction+0x1b8/0x3044 [ 82.784368][ T5662] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.785209][ T5662] btrfs_ioctl+0x5f0/0xb38 [ 82.785765][ T5662] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.786433][ T5662] invoke_syscall+0x98/0x2b8 [ 82.787125][ T5662] el0_svc_common+0x138/0x258 [ 82.787769][ T5662] do_el0_svc+0x58/0x14c [ 82.788414][ T5662] el0_svc+0x78/0x1e0 [ 82.789035][ T5662] el0t_64_sync_handler+0xcc/0xe4 [ 82.789738][ T5662] el0t_64_sync+0x1a0/0x1a4 [ 82.791361][ T5662] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.793236][ T5662] ------------[ cut here ]------------ [ 82.794087][ T5662] WARNING: CPU: 1 PID: 5662 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.795430][ T5662] Modules linked in: [ 82.795960][ T5662] CPU: 1 PID: 5662 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.797183][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.798620][ T5662] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.799756][ T5662] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.800558][ T5662] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.801450][ T5662] sp : ffff800021e477d0 [ 82.802015][ T5662] x29: ffff800021e477e0 x28: ffff0000cbba6000 x27: dfff800000000000 [ 82.803219][ T5662] x26: ffff0000cbba6024 x25: ffff0000c1b9c000 x24: 1fffe0001bc9b64d [ 82.804369][ T5662] x23: 1fffe0001bc9b64d x22: ffff0000de4db268 x21: 00000000fffffff4 [ 82.805519][ T5662] x20: 0000000000000051 x19: ffff0000de4db210 x18: 0000000000000001 [ 82.806622][ T5662] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.807801][ T5662] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.808942][ T5662] x11: 0000000000000000 x10: 0000000000000000 x9 : 39542c03c4fc0700 [ 82.810159][ T5662] x8 : 39542c03c4fc0700 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.811376][ T5662] x5 : ffff800021e470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.812609][ T5662] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.813781][ T5662] Call trace: [ 82.814272][ T5662] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.814986][ T5662] btrfs_commit_transaction+0x1b8/0x3044 [ 82.815811][ T5662] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.816658][ T5662] btrfs_ioctl+0x5f0/0xb38 [ 82.817379][ T5662] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.818083][ T5662] invoke_syscall+0x98/0x2b8 [ 82.818723][ T5662] el0_svc_common+0x138/0x258 [ 82.819328][ T5662] do_el0_svc+0x58/0x14c [ 82.819901][ T5662] el0_svc+0x78/0x1e0 [ 82.820477][ T5662] el0t_64_sync_handler+0xcc/0xe4 [ 82.821199][ T5662] el0t_64_sync+0x1a0/0x1a4 [ 82.821789][ T5662] irq event stamp: 80446 [ 82.822339][ T5662] hardirqs last enabled at (80445): [] __up_console_sem+0xb4/0x100 [ 82.823633][ T5662] hardirqs last disabled at (80446): [] el1_dbg+0x24/0x80 [ 82.824873][ T5662] softirqs last enabled at (80408): [] handle_softirqs+0xa4c/0xbf0 [ 82.826218][ T5662] softirqs last disabled at (80391): [] __irq_exit_rcu+0x240/0x440 [ 82.827664][ T5662] ---[ end trace e9a4f3059fc254d3 ]--- [ 82.829545][ T5662] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.831279][ T5662] BTRFS info (device loop0): forced readonly [ 82.988609][ T5684] loop0: detected capacity change from 0 to 32768 [ 82.996550][ T5684] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5684) [ 83.000342][ T5684] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.002663][ T5684] BTRFS info (device loop0): using free space tree [ 83.003745][ T5684] BTRFS info (device loop0): has skinny extents [ 83.021175][ T5684] BTRFS info (device loop0): enabling ssd optimizations [ 83.024765][ T5684] FAULT_INJECTION: forcing a failure. [ 83.024765][ T5684] name failslab, interval 1, probability 0, space 0, times 0 [ 83.026907][ T5684] CPU: 0 PID: 5684 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 83.028197][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.029838][ T5684] Call trace: [ 83.030347][ T5684] dump_backtrace+0x0/0x43c [ 83.031063][ T5684] show_stack+0x2c/0x3c [ 83.031743][ T5684] __dump_stack+0x30/0x40 [ 83.032406][ T5684] dump_stack_lvl+0xf8/0x160 [ 83.033049][ T5684] dump_stack+0x1c/0x5c [ 83.033679][ T5684] should_fail+0x3c0/0x51c [ 83.034297][ T5684] __should_failslab+0xbc/0x10c [ 83.034992][ T5684] should_failslab+0x10/0x28 [ 83.035719][ T5684] slab_pre_alloc_hook+0x64/0xec [ 83.036407][ T5684] kmem_cache_alloc+0x94/0x3e4 [ 83.037095][ T5684] start_transaction+0x4d0/0x13f0 [ 83.037820][ T5684] btrfs_start_transaction+0x34/0x44 [ 83.038565][ T5684] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 83.039327][ T5684] btrfs_ioctl+0x5f0/0xb38 [ 83.039952][ T5684] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.040664][ T5684] invoke_syscall+0x98/0x2b8 [ 83.041345][ T5684] el0_svc_common+0x138/0x258 [ 83.042066][ T5684] do_el0_svc+0x58/0x14c [ 83.042668][ T5684] el0_svc+0x78/0x1e0 [ 83.043256][ T5684] el0t_64_sync_handler+0xcc/0xe4 [ 83.044014][ T5684] el0t_64_sync+0x1a0/0x1a4 [ 83.196514][ T5706] loop0: detected capacity change from 0 to 32768 [ 83.281409][ T5706] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5706) [ 83.323113][ T5706] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.324483][ T5706] BTRFS info (device loop0): using free space tree [ 83.325431][ T5706] BTRFS info (device loop0): has skinny extents [ 83.339435][ T5706] BTRFS info (device loop0): enabling ssd optimizations [ 83.343434][ T5706] FAULT_INJECTION: forcing a failure. [ 83.343434][ T5706] name failslab, interval 1, probability 0, space 0, times 0 [ 83.345355][ T5706] CPU: 0 PID: 5706 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 83.346691][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.348187][ T5706] Call trace: [ 83.348646][ T5706] dump_backtrace+0x0/0x43c [ 83.349327][ T5706] show_stack+0x2c/0x3c [ 83.349978][ T5706] __dump_stack+0x30/0x40 [ 83.350610][ T5706] dump_stack_lvl+0xf8/0x160 [ 83.351262][ T5706] dump_stack+0x1c/0x5c [ 83.351894][ T5706] should_fail+0x3c0/0x51c [ 83.352554][ T5706] __should_failslab+0xbc/0x10c [ 83.353268][ T5706] should_failslab+0x10/0x28 [ 83.353901][ T5706] slab_pre_alloc_hook+0x64/0xec [ 83.354662][ T5706] kmem_cache_alloc+0x94/0x3e4 [ 83.355325][ T5706] start_transaction+0x4d0/0x13f0 [ 83.356072][ T5706] btrfs_start_transaction+0x34/0x44 [ 83.356845][ T5706] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 83.357638][ T5706] btrfs_ioctl+0x5f0/0xb38 [ 83.358242][ T5706] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.358937][ T5706] invoke_syscall+0x98/0x2b8 [ 83.359554][ T5706] el0_svc_common+0x138/0x258 [ 83.360274][ T5706] do_el0_svc+0x58/0x14c [ 83.360900][ T5706] el0_svc+0x78/0x1e0 [ 83.361453][ T5706] el0t_64_sync_handler+0xcc/0xe4 [ 83.362122][ T5706] el0t_64_sync+0x1a0/0x1a4 [ 83.408818][ T4514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4514) [ 83.520422][ T5727] loop0: detected capacity change from 0 to 32768 [ 83.661515][ T5727] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.662886][ T5727] BTRFS info (device loop0): using free space tree [ 83.663860][ T5727] BTRFS info (device loop0): has skinny extents [ 83.681906][ T5727] BTRFS info (device loop0): enabling ssd optimizations [ 83.686966][ T5727] FAULT_INJECTION: forcing a failure. [ 83.686966][ T5727] name failslab, interval 1, probability 0, space 0, times 0 [ 83.688917][ T5727] CPU: 0 PID: 5727 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 83.690140][ T5727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.691697][ T5727] Call trace: [ 83.692203][ T5727] dump_backtrace+0x0/0x43c [ 83.692892][ T5727] show_stack+0x2c/0x3c [ 83.693510][ T5727] __dump_stack+0x30/0x40 [ 83.694185][ T5727] dump_stack_lvl+0xf8/0x160 [ 83.694867][ T5727] dump_stack+0x1c/0x5c [ 83.695470][ T5727] should_fail+0x3c0/0x51c [ 83.696066][ T5727] __should_failslab+0xbc/0x10c [ 83.696839][ T5727] should_failslab+0x10/0x28 [ 83.697501][ T5727] slab_pre_alloc_hook+0x64/0xec [ 83.698208][ T5727] kmem_cache_alloc+0x94/0x3e4 [ 83.698933][ T5727] btrfs_alloc_path+0x5c/0x68 [ 83.699636][ T5727] __btrfs_run_delayed_refs+0xd70/0x3354 [ 83.700478][ T5727] btrfs_run_delayed_refs+0x124/0x46c [ 83.701303][ T5727] btrfs_commit_transaction+0x1b8/0x3044 [ 83.702140][ T5727] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.702900][ T5727] btrfs_ioctl+0x5f0/0xb38 [ 83.703532][ T5727] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.704188][ T5727] invoke_syscall+0x98/0x2b8 [ 83.704805][ T5727] el0_svc_common+0x138/0x258 [ 83.705474][ T5727] do_el0_svc+0x58/0x14c [ 83.706114][ T5727] el0_svc+0x78/0x1e0 [ 83.706722][ T5727] el0t_64_sync_handler+0xcc/0xe4 [ 83.707390][ T5727] el0t_64_sync+0x1a0/0x1a4 [ 83.710059][ T5727] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 83.712115][ T5727] ------------[ cut here ]------------ [ 83.713036][ T5727] WARNING: CPU: 0 PID: 5727 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 83.714409][ T5727] Modules linked in: [ 83.714935][ T5727] CPU: 0 PID: 5727 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 83.716207][ T5727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.717682][ T5727] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.718784][ T5727] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.719583][ T5727] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.720438][ T5727] sp : ffff8000230777d0 [ 83.721091][ T5727] x29: ffff8000230777e0 x28: ffff0000e7594000 x27: dfff800000000000 [ 83.722309][ T5727] x26: ffff0000e7594024 x25: ffff0000d8320000 x24: 1fffe0001bc9bed1 [ 83.723475][ T5727] x23: 1fffe0001bc9bed1 x22: ffff0000de4df688 x21: 00000000fffffff4 [ 83.724705][ T5727] x20: 0000000000000051 x19: ffff0000de4df630 x18: 0000000000000001 [ 83.725879][ T5727] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.727158][ T5727] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.728400][ T5727] x11: 0000000000000000 x10: 0000000000000000 x9 : 14b8dc7b4400db00 [ 83.729549][ T5727] x8 : 14b8dc7b4400db00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.730704][ T5727] x5 : ffff8000230770b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.731896][ T5727] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.733010][ T5727] Call trace: [ 83.733482][ T5727] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.734194][ T5727] btrfs_commit_transaction+0x1b8/0x3044 [ 83.735033][ T5727] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.735823][ T5727] btrfs_ioctl+0x5f0/0xb38 [ 83.736493][ T5727] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.737146][ T5727] invoke_syscall+0x98/0x2b8 [ 83.737823][ T5727] el0_svc_common+0x138/0x258 [ 83.738545][ T5727] do_el0_svc+0x58/0x14c [ 83.739147][ T5727] el0_svc+0x78/0x1e0 [ 83.739698][ T5727] el0t_64_sync_handler+0xcc/0xe4 [ 83.740359][ T5727] el0t_64_sync+0x1a0/0x1a4 [ 83.740983][ T5727] irq event stamp: 79426 [ 83.741545][ T5727] hardirqs last enabled at (79425): [] __up_console_sem+0xb4/0x100 [ 83.742950][ T5727] hardirqs last disabled at (79426): [] el1_dbg+0x24/0x80 [ 83.744251][ T5727] softirqs last enabled at (79398): [] handle_softirqs+0xa4c/0xbf0 [ 83.745677][ T5727] softirqs last disabled at (79325): [] __irq_exit_rcu+0x240/0x440 [ 83.746949][ T5727] ---[ end trace e9a4f3059fc254d4 ]---