Warning: Permanently added '10.128.10.32' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "type"="gce" 1970/01/01 00:00:48 parsed 1 programs [ 48.136534][ T4264] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:48 executed programs: 0 [ 48.205921][ T4272] chnl_net:caif_netlink_parms(): no params data found [ 48.224165][ T4272] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.225439][ T4272] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.226940][ T4272] device bridge_slave_0 entered promiscuous mode [ 48.229443][ T4272] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.230515][ T4272] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.231957][ T4272] device bridge_slave_1 entered promiscuous mode [ 48.239698][ T4272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.242155][ T4272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.251055][ T4272] team0: Port device team_slave_0 added [ 48.253268][ T4272] team0: Port device team_slave_1 added [ 48.259839][ T4272] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.260842][ T4272] 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. [ 48.264850][ T4272] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.267296][ T4272] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.268321][ T4272] 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. [ 48.272103][ T4272] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.334314][ T4272] device hsr_slave_0 entered promiscuous mode [ 48.393335][ T4272] device hsr_slave_1 entered promiscuous mode [ 49.014911][ T4272] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.074895][ T4272] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.124707][ T4272] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.154659][ T4272] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.202299][ T4272] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.203415][ T4272] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.204582][ T4272] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.205681][ T4272] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.213555][ T622] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.215242][ T622] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.231841][ T4272] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.236104][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.237437][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.239855][ T4272] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.246240][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.247788][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.249210][ T359] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.250223][ T359] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.252889][ T622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.254888][ T622] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.256323][ T622] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.257362][ T622] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.260899][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.265506][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.268678][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.270748][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.275721][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.277137][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.278737][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.280709][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.282158][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.285861][ T4272] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.287804][ T4272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.291060][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.292556][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.340283][ T4272] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.344524][ T622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.345716][ T622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.350538][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.352153][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.361773][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.363402][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.365134][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.366454][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.369578][ T4272] device veth0_vlan entered promiscuous mode [ 49.372965][ T4272] device veth1_vlan entered promiscuous mode [ 49.381802][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.383327][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.384784][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.386094][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.389285][ T4272] device veth0_macvtap entered promiscuous mode [ 49.392633][ T4272] device veth1_macvtap entered promiscuous mode [ 49.399892][ T4272] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.401083][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.402649][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.404935][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.406395][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.409080][ T4272] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.410210][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.411878][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.415825][ T4272] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.417179][ T4272] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.418501][ T4272] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.419898][ T4272] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.560382][ T4401] loop0: detected capacity change from 0 to 32768 [ 49.576014][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4401) [ 49.593597][ T4401] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.594928][ T4401] BTRFS info (device loop0): turning on flush-on-commit [ 49.596082][ T4401] BTRFS info (device loop0): using default commit interval 30s [ 49.597211][ T4401] BTRFS info (device loop0): force clearing of disk cache [ 49.598317][ T4401] BTRFS info (device loop0): force zlib compression, level 3 [ 49.599471][ T4401] BTRFS info (device loop0): enabling disk space caching [ 49.600531][ T4401] BTRFS info (device loop0): disk space caching is enabled [ 49.601549][ T4401] BTRFS info (device loop0): has skinny extents [ 49.671216][ T4401] BTRFS info (device loop0): enabling ssd optimizations [ 49.677727][ T4401] ======================================================= [ 49.677727][ T4401] WARNING: The mand mount option has been deprecated and [ 49.677727][ T4401] and is ignored by this kernel. Remove the mand [ 49.677727][ T4401] option from the mount to silence this warning. [ 49.677727][ T4401] ======================================================= [ 49.685012][ T4401] BTRFS info (device loop0): using default commit interval 30s [ 49.686793][ T4401] BTRFS info (device loop0): force clearing of disk cache [ 49.687955][ T4401] BTRFS info (device loop0): clearing free space tree [ 49.688990][ T4401] FAULT_INJECTION: forcing a failure. [ 49.688990][ T4401] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.690994][ T4401] CPU: 1 PID: 4401 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.692173][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.693692][ T4401] Call trace: [ 49.694173][ T4401] dump_backtrace+0x0/0x43c [ 49.694839][ T4401] show_stack+0x2c/0x3c [ 49.695479][ T4401] __dump_stack+0x30/0x40 [ 49.696173][ T4401] dump_stack_lvl+0xf8/0x160 [ 49.696824][ T4401] dump_stack+0x1c/0x5c [ 49.697423][ T4401] should_fail+0x3c0/0x51c [ 49.698064][ T4401] should_fail_alloc_page+0x74/0xa8 [ 49.698892][ T4401] prepare_alloc_pages+0x160/0x460 [ 49.699621][ T4401] __alloc_pages+0x108/0x470 [ 49.700346][ T4401] alloc_pages+0x34c/0x5c0 [ 49.701015][ T4401] new_slab+0xe0/0x55c [ 49.701606][ T4401] ___slab_alloc+0x6c0/0xda8 [ 49.702329][ T4401] __slab_alloc+0x68/0xc0 [ 49.703131][ T4401] kmem_cache_alloc+0x2ac/0x3e4 [ 49.703901][ T4401] start_transaction+0x4d0/0x13f0 [ 49.704598][ T4401] btrfs_start_transaction+0x34/0x44 [ 49.705386][ T4401] btrfs_clear_free_space_tree+0xc4/0x9cc [ 49.706183][ T4401] btrfs_start_pre_rw_mount+0x240/0x568 [ 49.707034][ T4401] btrfs_remount+0xa98/0x12b8 [ 49.707720][ T4401] legacy_reconfigure+0xf8/0x110 [ 49.708421][ T4401] reconfigure_super+0x1d4/0x6f4 [ 49.709191][ T4401] path_mount+0xc80/0x1000 [ 49.709820][ T4401] __arm64_sys_mount+0x514/0x5e4 [ 49.710550][ T4401] invoke_syscall+0x98/0x2b8 [ 49.711287][ T4401] el0_svc_common+0x138/0x258 [ 49.711992][ T4401] do_el0_svc+0x58/0x14c [ 49.712661][ T4401] el0_svc+0x78/0x1e0 [ 49.713238][ T4401] el0t_64_sync_handler+0xcc/0xe4 [ 49.714014][ T4401] el0t_64_sync+0x1a0/0x1a4 [ 49.718514][ T4401] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.720594][ T4401] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.963997][ T4475] loop0: detected capacity change from 0 to 32768 [ 50.018454][ T4475] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4475) [ 50.026610][ T4475] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.027851][ T4475] BTRFS info (device loop0): turning on flush-on-commit [ 50.028887][ T4475] BTRFS info (device loop0): using default commit interval 30s [ 50.029907][ T4475] BTRFS info (device loop0): force clearing of disk cache [ 50.031141][ T4475] BTRFS info (device loop0): force zlib compression, level 3 [ 50.032265][ T4475] BTRFS info (device loop0): enabling disk space caching [ 50.050806][ T4475] BTRFS info (device loop0): disk space caching is enabled [ 50.051957][ T4475] BTRFS info (device loop0): has skinny extents [ 50.136471][ T4475] BTRFS info (device loop0): enabling ssd optimizations [ 50.139808][ T4475] BTRFS info (device loop0): using default commit interval 30s [ 50.140942][ T4475] BTRFS info (device loop0): force clearing of disk cache [ 50.142031][ T4475] BTRFS info (device loop0): clearing free space tree [ 50.154117][ T4475] FAULT_INJECTION: forcing a failure. [ 50.154117][ T4475] name failslab, interval 1, probability 0, space 0, times 1 [ 50.156162][ T4475] CPU: 0 PID: 4475 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.157259][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.159012][ T4475] Call trace: [ 50.159466][ T4475] dump_backtrace+0x0/0x43c [ 50.160128][ T4475] show_stack+0x2c/0x3c [ 50.160824][ T4475] __dump_stack+0x30/0x40 [ 50.161533][ T4475] dump_stack_lvl+0xf8/0x160 [ 50.162182][ T4475] dump_stack+0x1c/0x5c [ 50.162864][ T4475] should_fail+0x3c0/0x51c [ 50.163513][ T4475] __should_failslab+0xbc/0x10c [ 50.164205][ T4475] should_failslab+0x10/0x28 [ 50.164935][ T4475] slab_pre_alloc_hook+0x64/0xec [ 50.165763][ T4475] kmem_cache_alloc_trace+0x98/0x3fc [ 50.166625][ T4475] join_transaction+0x10c/0xa64 [ 50.167432][ T4475] start_transaction+0x910/0x13f0 [ 50.168284][ T4475] btrfs_start_transaction+0x34/0x44 [ 50.169149][ T4475] btrfs_clear_free_space_tree+0xc4/0x9cc [ 50.170075][ T4475] btrfs_start_pre_rw_mount+0x240/0x568 [ 50.170967][ T4475] btrfs_remount+0xa98/0x12b8 [ 50.171731][ T4475] legacy_reconfigure+0xf8/0x110 [ 50.172477][ T4475] reconfigure_super+0x1d4/0x6f4 [ 50.173245][ T4475] path_mount+0xc80/0x1000 [ 50.173929][ T4475] __arm64_sys_mount+0x514/0x5e4 [ 50.174640][ T4475] invoke_syscall+0x98/0x2b8 [ 50.175291][ T4475] el0_svc_common+0x138/0x258 [ 50.175963][ T4475] do_el0_svc+0x58/0x14c [ 50.176599][ T4475] el0_svc+0x78/0x1e0 [ 50.177224][ T4475] el0t_64_sync_handler+0xcc/0xe4 [ 50.177951][ T4475] el0t_64_sync+0x1a0/0x1a4 [ 50.179612][ T1541] Bluetooth: hci0: command 0x0409 tx timeout [ 50.182787][ T4475] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 50.435878][ T4558] loop0: detected capacity change from 0 to 32768 [ 50.447358][ T4558] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4558) [ 50.457694][ T4558] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.459107][ T4558] BTRFS info (device loop0): turning on flush-on-commit [ 50.463586][ T4558] BTRFS info (device loop0): using default commit interval 30s [ 50.465007][ T4558] BTRFS info (device loop0): force clearing of disk cache [ 50.473488][ T4558] BTRFS info (device loop0): force zlib compression, level 3 [ 50.474729][ T4558] BTRFS info (device loop0): enabling disk space caching [ 50.475902][ T4558] BTRFS info (device loop0): disk space caching is enabled [ 50.477075][ T4558] BTRFS info (device loop0): has skinny extents [ 50.528044][ T4558] BTRFS info (device loop0): enabling ssd optimizations [ 50.537068][ T4558] BTRFS info (device loop0): using default commit interval 30s [ 50.538427][ T4558] BTRFS info (device loop0): force clearing of disk cache [ 50.539592][ T4558] BTRFS info (device loop0): clearing free space tree [ 50.540607][ T4558] FAULT_INJECTION: forcing a failure. [ 50.540607][ T4558] name failslab, interval 1, probability 0, space 0, times 0 [ 50.545360][ T4558] CPU: 1 PID: 4558 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.546583][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.548124][ T4558] Call trace: [ 50.548630][ T4558] dump_backtrace+0x0/0x43c [ 50.549300][ T4558] show_stack+0x2c/0x3c [ 50.549843][ T4558] __dump_stack+0x30/0x40 [ 50.550456][ T4558] dump_stack_lvl+0xf8/0x160 [ 50.551156][ T4558] dump_stack+0x1c/0x5c [ 50.551720][ T4558] should_fail+0x3c0/0x51c [ 50.552429][ T4558] __should_failslab+0xbc/0x10c [ 50.553103][ T4558] should_failslab+0x10/0x28 [ 50.553826][ T4558] slab_pre_alloc_hook+0x64/0xec [ 50.554562][ T4558] kmem_cache_alloc+0x94/0x3e4 [ 50.555241][ T4558] start_transaction+0x4d0/0x13f0 [ 50.555945][ T4558] btrfs_start_transaction+0x34/0x44 [ 50.556715][ T4558] btrfs_clear_free_space_tree+0xc4/0x9cc [ 50.557538][ T4558] btrfs_start_pre_rw_mount+0x240/0x568 [ 50.558386][ T4558] btrfs_remount+0xa98/0x12b8 [ 50.559094][ T4558] legacy_reconfigure+0xf8/0x110 [ 50.559830][ T4558] reconfigure_super+0x1d4/0x6f4 [ 50.560608][ T4558] path_mount+0xc80/0x1000 [ 50.561225][ T4558] __arm64_sys_mount+0x514/0x5e4 [ 50.561909][ T4558] invoke_syscall+0x98/0x2b8 [ 50.562665][ T4558] el0_svc_common+0x138/0x258 [ 50.563330][ T4558] do_el0_svc+0x58/0x14c [ 50.563971][ T4558] el0_svc+0x78/0x1e0 [ 50.564576][ T4558] el0t_64_sync_handler+0xcc/0xe4 [ 50.565364][ T4558] el0t_64_sync+0x1a0/0x1a4 [ 50.566624][ T4558] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 50.755313][ T4611] loop0: detected capacity change from 0 to 32768 [ 50.766385][ T4611] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4611) [ 50.779180][ T4611] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.780482][ T4611] BTRFS info (device loop0): turning on flush-on-commit [ 50.781599][ T4611] BTRFS info (device loop0): using default commit interval 30s [ 50.782696][ T4611] BTRFS info (device loop0): force clearing of disk cache [ 50.784279][ T4611] BTRFS info (device loop0): force zlib compression, level 3 [ 50.785358][ T4611] BTRFS info (device loop0): enabling disk space caching [ 50.786333][ T4611] BTRFS info (device loop0): disk space caching is enabled [ 50.787482][ T4611] BTRFS info (device loop0): has skinny extents [ 50.854574][ T4611] BTRFS info (device loop0): enabling ssd optimizations [ 50.859347][ T4611] BTRFS info (device loop0): using default commit interval 30s [ 50.860632][ T4611] BTRFS info (device loop0): force clearing of disk cache [ 50.861932][ T4611] BTRFS info (device loop0): clearing free space tree [ 50.863028][ T4611] FAULT_INJECTION: forcing a failure. [ 50.863028][ T4611] name failslab, interval 1, probability 0, space 0, times 0 [ 50.874023][ T4611] CPU: 0 PID: 4611 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.875200][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.876777][ T4611] Call trace: [ 50.877313][ T4611] dump_backtrace+0x0/0x43c [ 50.877927][ T4611] show_stack+0x2c/0x3c [ 50.878637][ T4611] __dump_stack+0x30/0x40 [ 50.879247][ T4611] dump_stack_lvl+0xf8/0x160 [ 50.879925][ T4611] dump_stack+0x1c/0x5c [ 50.880531][ T4611] should_fail+0x3c0/0x51c [ 50.881157][ T4611] __should_failslab+0xbc/0x10c [ 50.881913][ T4611] should_failslab+0x10/0x28 [ 50.882615][ T4611] slab_pre_alloc_hook+0x64/0xec [ 50.883366][ T4611] kmem_cache_alloc_trace+0x98/0x3fc [ 50.884141][ T4611] join_transaction+0x10c/0xa64 [ 50.884847][ T4611] start_transaction+0x910/0x13f0 [ 50.885725][ T4611] btrfs_start_transaction+0x34/0x44 [ 50.886539][ T4611] btrfs_clear_free_space_tree+0xc4/0x9cc [ 50.887488][ T4611] btrfs_start_pre_rw_mount+0x240/0x568 [ 50.888333][ T4611] btrfs_remount+0xa98/0x12b8 [ 50.889052][ T4611] legacy_reconfigure+0xf8/0x110 [ 50.889733][ T4611] reconfigure_super+0x1d4/0x6f4 [ 50.890505][ T4611] path_mount+0xc80/0x1000 [ 50.891192][ T4611] __arm64_sys_mount+0x514/0x5e4 [ 50.891901][ T4611] invoke_syscall+0x98/0x2b8 [ 50.892646][ T4611] el0_svc_common+0x138/0x258 [ 50.893379][ T4611] do_el0_svc+0x58/0x14c [ 50.894096][ T4611] el0_svc+0x78/0x1e0 [ 50.894763][ T4611] el0t_64_sync_handler+0xcc/0xe4 [ 50.895475][ T4611] el0t_64_sync+0x1a0/0x1a4 [ 50.898910][ T4611] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 51.097576][ T4668] loop0: detected capacity change from 0 to 32768 [ 51.109522][ T4668] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4668) [ 51.117846][ T4668] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.119192][ T4668] BTRFS info (device loop0): turning on flush-on-commit [ 51.120347][ T4668] BTRFS info (device loop0): using default commit interval 30s [ 51.121521][ T4668] BTRFS info (device loop0): force clearing of disk cache [ 51.122598][ T4668] BTRFS info (device loop0): force zlib compression, level 3 [ 51.134088][ T4668] BTRFS info (device loop0): enabling disk space caching [ 51.135195][ T4668] BTRFS info (device loop0): disk space caching is enabled [ 51.136300][ T4668] BTRFS info (device loop0): has skinny extents [ 51.194646][ T4668] BTRFS info (device loop0): enabling ssd optimizations [ 51.216773][ T4668] BTRFS info (device loop0): using default commit interval 30s [ 51.218204][ T4668] BTRFS info (device loop0): force clearing of disk cache [ 51.219418][ T4668] BTRFS info (device loop0): clearing free space tree [ 51.220571][ T4668] FAULT_INJECTION: forcing a failure. [ 51.220571][ T4668] name failslab, interval 1, probability 0, space 0, times 0 [ 51.222575][ T4668] CPU: 0 PID: 4668 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.223741][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.225324][ T4668] Call trace: [ 51.225814][ T4668] dump_backtrace+0x0/0x43c [ 51.226451][ T4668] show_stack+0x2c/0x3c [ 51.227130][ T4668] __dump_stack+0x30/0x40 [ 51.227769][ T4668] dump_stack_lvl+0xf8/0x160 [ 51.228488][ T4668] dump_stack+0x1c/0x5c [ 51.229112][ T4668] should_fail+0x3c0/0x51c [ 51.229788][ T4668] __should_failslab+0xbc/0x10c [ 51.230495][ T4668] should_failslab+0x10/0x28 [ 51.231165][ T4668] slab_pre_alloc_hook+0x64/0xec [ 51.231840][ T4668] kmem_cache_alloc_trace+0x98/0x3fc [ 51.232631][ T4668] join_transaction+0x10c/0xa64 [ 51.233397][ T4668] start_transaction+0x910/0x13f0 [ 51.234219][ T4668] btrfs_start_transaction+0x34/0x44 [ 51.235016][ T4668] btrfs_clear_free_space_tree+0xc4/0x9cc [ 51.235870][ T4668] btrfs_start_pre_rw_mount+0x240/0x568 [ 51.236844][ T4668] btrfs_remount+0xa98/0x12b8 [ 51.237593][ T4668] legacy_reconfigure+0xf8/0x110 [ 51.238379][ T4668] reconfigure_super+0x1d4/0x6f4 [ 51.239214][ T4668] path_mount+0xc80/0x1000 [ 51.239857][ T4668] __arm64_sys_mount+0x514/0x5e4 [ 51.240705][ T4668] invoke_syscall+0x98/0x2b8 [ 51.241433][ T4668] el0_svc_common+0x138/0x258 [ 51.242214][ T4668] do_el0_svc+0x58/0x14c [ 51.242936][ T4668] el0_svc+0x78/0x1e0 [ 51.243573][ T4668] el0t_64_sync_handler+0xcc/0xe4 [ 51.244319][ T4668] el0t_64_sync+0x1a0/0x1a4 [ 51.249697][ T4668] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 51.430607][ T4720] loop0: detected capacity change from 0 to 32768 [ 51.474959][ T4720] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4720) [ 51.478526][ T4720] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.480322][ T4720] BTRFS info (device loop0): turning on flush-on-commit [ 51.481521][ T4720] BTRFS info (device loop0): using default commit interval 30s [ 51.482667][ T4720] BTRFS info (device loop0): force clearing of disk cache [ 51.484494][ T4720] BTRFS info (device loop0): force zlib compression, level 3 [ 51.485712][ T4720] BTRFS info (device loop0): enabling disk space caching [ 51.486854][ T4720] BTRFS info (device loop0): disk space caching is enabled [ 51.488118][ T4720] BTRFS info (device loop0): has skinny extents [ 51.496554][ T4720] BTRFS info (device loop0): enabling ssd optimizations [ 51.499889][ T4720] BTRFS info (device loop0): using default commit interval 30s [ 51.501210][ T4720] BTRFS info (device loop0): force clearing of disk cache [ 51.502385][ T4720] BTRFS info (device loop0): clearing free space tree [ 51.503746][ T4720] FAULT_INJECTION: forcing a failure. [ 51.503746][ T4720] name failslab, interval 1, probability 0, space 0, times 0 [ 51.505759][ T4720] CPU: 1 PID: 4720 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.506912][ T4720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.508378][ T4720] Call trace: [ 51.508835][ T4720] dump_backtrace+0x0/0x43c [ 51.509457][ T4720] show_stack+0x2c/0x3c [ 51.510133][ T4720] __dump_stack+0x30/0x40 [ 51.510791][ T4720] dump_stack_lvl+0xf8/0x160 [ 51.511532][ T4720] dump_stack+0x1c/0x5c [ 51.512216][ T4720] should_fail+0x3c0/0x51c [ 51.512908][ T4720] __should_failslab+0xbc/0x10c [ 51.513702][ T4720] should_failslab+0x10/0x28 [ 51.514431][ T4720] slab_pre_alloc_hook+0x64/0xec [ 51.515204][ T4720] kmem_cache_alloc_trace+0x98/0x3fc [ 51.515980][ T4720] join_transaction+0x10c/0xa64 [ 51.516656][ T4720] start_transaction+0x910/0x13f0 [ 51.517398][ T4720] btrfs_start_transaction+0x34/0x44 [ 51.518260][ T4720] btrfs_clear_free_space_tree+0xc4/0x9cc [ 51.519126][ T4720] btrfs_start_pre_rw_mount+0x240/0x568 [ 51.520028][ T4720] btrfs_remount+0xa98/0x12b8 [ 51.520776][ T4720] legacy_reconfigure+0xf8/0x110 [ 51.521518][ T4720] reconfigure_super+0x1d4/0x6f4 [ 51.522254][ T4720] path_mount+0xc80/0x1000 [ 51.522855][ T4720] __arm64_sys_mount+0x514/0x5e4 [ 51.523541][ T4720] invoke_syscall+0x98/0x2b8 [ 51.524236][ T4720] el0_svc_common+0x138/0x258 [ 51.524943][ T4720] do_el0_svc+0x58/0x14c [ 51.525503][ T4720] el0_svc+0x78/0x1e0 [ 51.526140][ T4720] el0t_64_sync_handler+0xcc/0xe4 [ 51.526967][ T4720] el0t_64_sync+0x1a0/0x1a4 [ 51.529345][ T4720] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 51.672102][ T4754] loop0: detected capacity change from 0 to 32768 [ 51.675163][ T4754] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4754) [ 51.678409][ T4754] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.679851][ T4754] BTRFS info (device loop0): turning on flush-on-commit [ 51.680836][ T4754] BTRFS info (device loop0): using default commit interval 30s [ 51.682064][ T4754] BTRFS info (device loop0): force clearing of disk cache [ 51.683292][ T4754] BTRFS info (device loop0): force zlib compression, level 3 [ 51.684545][ T4754] BTRFS info (device loop0): enabling disk space caching [ 51.685667][ T4754] BTRFS info (device loop0): disk space caching is enabled [ 51.686688][ T4754] BTRFS info (device loop0): has skinny extents [ 51.698695][ T4754] BTRFS info (device loop0): enabling ssd optimizations [ 51.701890][ T4754] BTRFS info (device loop0): using default commit interval 30s [ 51.703387][ T4754] BTRFS info (device loop0): force clearing of disk cache [ 51.704541][ T4754] BTRFS info (device loop0): clearing free space tree [ 51.705682][ T4754] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.707157][ T4754] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.708646][ T4754] FAULT_INJECTION: forcing a failure. [ 51.708646][ T4754] name failslab, interval 1, probability 0, space 0, times 0 [ 51.710730][ T4754] CPU: 1 PID: 4754 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.711771][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.713323][ T4754] Call trace: [ 51.713901][ T4754] dump_backtrace+0x0/0x43c [ 51.714638][ T4754] show_stack+0x2c/0x3c [ 51.715300][ T4754] __dump_stack+0x30/0x40 [ 51.715919][ T4754] dump_stack_lvl+0xf8/0x160 [ 51.716716][ T4754] dump_stack+0x1c/0x5c [ 51.717402][ T4754] should_fail+0x3c0/0x51c [ 51.718062][ T4754] __should_failslab+0xbc/0x10c [ 51.718816][ T4754] should_failslab+0x10/0x28 [ 51.719535][ T4754] slab_pre_alloc_hook+0x64/0xec [ 51.720308][ T4754] kmem_cache_alloc+0x94/0x3e4 [ 51.721086][ T4754] btrfs_alloc_path+0x5c/0x68 [ 51.721837][ T4754] btrfs_clear_free_space_tree+0x244/0x9cc [ 51.722744][ T4754] btrfs_start_pre_rw_mount+0x240/0x568 [ 51.723619][ T4754] btrfs_remount+0xa98/0x12b8 [ 51.724376][ T4754] legacy_reconfigure+0xf8/0x110 [ 51.725171][ T4754] reconfigure_super+0x1d4/0x6f4 [ 51.725934][ T4754] path_mount+0xc80/0x1000 [ 51.726591][ T4754] __arm64_sys_mount+0x514/0x5e4 [ 51.727300][ T4754] invoke_syscall+0x98/0x2b8 [ 51.727943][ T4754] el0_svc_common+0x138/0x258 [ 51.728699][ T4754] do_el0_svc+0x58/0x14c [ 51.729336][ T4754] el0_svc+0x78/0x1e0 [ 51.729966][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 51.730721][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 51.732827][ T4754] ------------[ cut here ]------------ [ 51.734076][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 51.735737][ T4754] Modules linked in: [ 51.736299][ T4754] CPU: 1 PID: 4754 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.737552][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.739057][ T4754] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.740127][ T4754] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 51.741006][ T4754] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 51.741866][ T4754] sp : ffff80001f9a77a0 [ 51.742421][ T4754] x29: ffff80001f9a7850 x28: 1fffe0001a29400b x27: 0000000000000002 [ 51.743735][ T4754] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 51.744986][ T4754] x23: 1fffe0001bdbb063 x22: ffff0000d14a19d0 x21: ffff0000dedd8318 [ 51.746145][ T4754] x20: 00000000fffffff4 x19: ffff0000dedd82c0 x18: 0000000000000001 [ 51.747338][ T4754] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 51.748584][ T4754] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.749889][ T4754] x11: 0000000000000000 x10: 0000000000000000 x9 : 66e1818636209700 [ 51.751057][ T4754] x8 : 66e1818636209700 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.752332][ T4754] x5 : ffff80001f9a7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 51.753475][ T4754] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.754770][ T4754] Call trace: [ 51.755289][ T4754] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 51.756220][ T4754] btrfs_start_pre_rw_mount+0x240/0x568 [ 51.757070][ T4754] btrfs_remount+0xa98/0x12b8 [ 51.757790][ T4754] legacy_reconfigure+0xf8/0x110 [ 51.758534][ T4754] reconfigure_super+0x1d4/0x6f4 [ 51.759199][ T4754] path_mount+0xc80/0x1000 [ 51.759871][ T4754] __arm64_sys_mount+0x514/0x5e4 [ 51.760621][ T4754] invoke_syscall+0x98/0x2b8 [ 51.761389][ T4754] el0_svc_common+0x138/0x258 [ 51.762428][ T4754] do_el0_svc+0x58/0x14c [ 51.763081][ T4754] el0_svc+0x78/0x1e0 [ 51.763659][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 51.764448][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 51.765104][ T4754] irq event stamp: 80440 [ 51.765789][ T4754] hardirqs last enabled at (80439): [] __up_console_sem+0xb4/0x100 [ 51.767197][ T4754] hardirqs last disabled at (80440): [] el1_dbg+0x24/0x80 [ 51.768501][ T4754] softirqs last enabled at (80428): [] handle_softirqs+0xa4c/0xbf0 [ 51.769897][ T4754] softirqs last disabled at (80413): [] __irq_exit_rcu+0x240/0x440 [ 51.771264][ T4754] ---[ end trace 91fc900addfc09bb ]--- [ 51.772914][ T4754] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 51.774841][ T4754] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 51.803883][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 51.950405][ T4776] loop0: detected capacity change from 0 to 32768 [ 51.959725][ T4776] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4776) [ 51.964733][ T4776] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.966222][ T4776] BTRFS info (device loop0): turning on flush-on-commit [ 51.967412][ T4776] BTRFS info (device loop0): using default commit interval 30s [ 51.968610][ T4776] BTRFS info (device loop0): force clearing of disk cache [ 51.969625][ T4776] BTRFS info (device loop0): force zlib compression, level 3 [ 51.970740][ T4776] BTRFS info (device loop0): enabling disk space caching [ 51.971749][ T4776] BTRFS info (device loop0): disk space caching is enabled [ 51.972850][ T4776] BTRFS info (device loop0): has skinny extents [ 51.991550][ T4776] BTRFS info (device loop0): enabling ssd optimizations [ 51.995556][ T4776] BTRFS info (device loop0): using default commit interval 30s [ 51.996798][ T4776] BTRFS info (device loop0): force clearing of disk cache [ 51.998056][ T4776] BTRFS info (device loop0): clearing free space tree [ 51.998972][ T4776] FAULT_INJECTION: forcing a failure. [ 51.998972][ T4776] name failslab, interval 1, probability 0, space 0, times 0 [ 52.000895][ T4776] CPU: 0 PID: 4776 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.002207][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.003687][ T4776] Call trace: [ 52.004188][ T4776] dump_backtrace+0x0/0x43c [ 52.004890][ T4776] show_stack+0x2c/0x3c [ 52.005512][ T4776] __dump_stack+0x30/0x40 [ 52.006174][ T4776] dump_stack_lvl+0xf8/0x160 [ 52.006903][ T4776] dump_stack+0x1c/0x5c [ 52.007472][ T4776] should_fail+0x3c0/0x51c [ 52.008156][ T4776] __should_failslab+0xbc/0x10c [ 52.008839][ T4776] should_failslab+0x10/0x28 [ 52.009477][ T4776] slab_pre_alloc_hook+0x64/0xec [ 52.010142][ T4776] kmem_cache_alloc+0x94/0x3e4 [ 52.010912][ T4776] start_transaction+0x4d0/0x13f0 [ 52.011691][ T4776] btrfs_start_transaction+0x34/0x44 [ 52.012585][ T4776] btrfs_clear_free_space_tree+0xc4/0x9cc [ 52.013442][ T4776] btrfs_start_pre_rw_mount+0x240/0x568 [ 52.014334][ T4776] btrfs_remount+0xa98/0x12b8 [ 52.015061][ T4776] legacy_reconfigure+0xf8/0x110 [ 52.015851][ T4776] reconfigure_super+0x1d4/0x6f4 [ 52.016622][ T4776] path_mount+0xc80/0x1000 [ 52.017256][ T4776] __arm64_sys_mount+0x514/0x5e4 [ 52.018027][ T4776] invoke_syscall+0x98/0x2b8 [ 52.018730][ T4776] el0_svc_common+0x138/0x258 [ 52.019511][ T4776] do_el0_svc+0x58/0x14c [ 52.020231][ T4776] el0_svc+0x78/0x1e0 [ 52.020879][ T4776] el0t_64_sync_handler+0xcc/0xe4 [ 52.021675][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 52.024843][ T4776] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 52.167108][ T4800] loop0: detected capacity change from 0 to 32768 [ 52.181174][ T4800] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4800) [ 52.212351][ T4800] FAULT_INJECTION: forcing a failure. [ 52.212351][ T4800] name failslab, interval 1, probability 0, space 0, times 0 [ 52.223244][ T4800] CPU: 1 PID: 4800 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.224737][ T4800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.226258][ T4800] Call trace: [ 52.226787][ T4800] dump_backtrace+0x0/0x43c [ 52.227514][ T4800] show_stack+0x2c/0x3c [ 52.228159][ T4800] __dump_stack+0x30/0x40 [ 52.228861][ T4800] dump_stack_lvl+0xf8/0x160 [ 52.229542][ T4800] dump_stack+0x1c/0x5c [ 52.230172][ T4800] should_fail+0x3c0/0x51c [ 52.230880][ T4800] __should_failslab+0xbc/0x10c [ 52.231619][ T4800] should_failslab+0x10/0x28 [ 52.232293][ T4800] slab_pre_alloc_hook+0x64/0xec [ 52.232973][ T4800] kmem_cache_alloc+0x94/0x3e4 [ 52.233713][ T4800] start_transaction+0x4d0/0x13f0 [ 52.234515][ T4800] btrfs_start_transaction+0x34/0x44 [ 52.235293][ T4800] btrfs_clear_free_space_tree+0xc4/0x9cc [ 52.236091][ T4800] btrfs_start_pre_rw_mount+0x240/0x568 [ 52.236912][ T4800] btrfs_remount+0xa98/0x12b8 [ 52.237612][ T4800] legacy_reconfigure+0xf8/0x110 [ 52.238372][ T4800] reconfigure_super+0x1d4/0x6f4 [ 52.239113][ T4800] path_mount+0xc80/0x1000 [ 52.239773][ T4800] __arm64_sys_mount+0x514/0x5e4 [ 52.240531][ T4800] invoke_syscall+0x98/0x2b8 [ 52.241289][ T4800] el0_svc_common+0x138/0x258 [ 52.242021][ T4800] do_el0_svc+0x58/0x14c [ 52.242717][ T4800] el0_svc+0x78/0x1e0 [ 52.243377][ T4800] el0t_64_sync_handler+0xcc/0xe4 [ 52.244096][ T4800] el0t_64_sync+0x1a0/0x1a4 [ 52.254065][ T4800] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 52.254267][ T4797] Bluetooth: hci0: command 0x041b tx timeout [ 52.451693][ T4822] loop0: detected capacity change from 0 to 32768 [ 52.459284][ T4822] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4822) [ 52.485239][ T4822] FAULT_INJECTION: forcing a failure. [ 52.485239][ T4822] name failslab, interval 1, probability 0, space 0, times 0 [ 52.487347][ T4822] CPU: 0 PID: 4822 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.488674][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.490384][ T4822] Call trace: [ 52.490878][ T4822] dump_backtrace+0x0/0x43c [ 52.491588][ T4822] show_stack+0x2c/0x3c [ 52.492293][ T4822] __dump_stack+0x30/0x40 [ 52.493021][ T4822] dump_stack_lvl+0xf8/0x160 [ 52.493766][ T4822] dump_stack+0x1c/0x5c [ 52.494449][ T4822] should_fail+0x3c0/0x51c [ 52.495123][ T4822] __should_failslab+0xbc/0x10c [ 52.495935][ T4822] should_failslab+0x10/0x28 [ 52.496677][ T4822] slab_pre_alloc_hook+0x64/0xec [ 52.497432][ T4822] kmem_cache_alloc_trace+0x98/0x3fc [ 52.498229][ T4822] join_transaction+0x10c/0xa64 [ 52.498925][ T4822] start_transaction+0x910/0x13f0 [ 52.499627][ T4822] btrfs_start_transaction+0x34/0x44 [ 52.500356][ T4822] btrfs_clear_free_space_tree+0xc4/0x9cc [ 52.501185][ T4822] btrfs_start_pre_rw_mount+0x240/0x568 [ 52.502115][ T4822] btrfs_remount+0xa98/0x12b8 [ 52.502879][ T4822] legacy_reconfigure+0xf8/0x110 [ 52.503664][ T4822] reconfigure_super+0x1d4/0x6f4 [ 52.504451][ T4822] path_mount+0xc80/0x1000 [ 52.505130][ T4822] __arm64_sys_mount+0x514/0x5e4 [ 52.505943][ T4822] invoke_syscall+0x98/0x2b8 [ 52.506662][ T4822] el0_svc_common+0x138/0x258 [ 52.507382][ T4822] do_el0_svc+0x58/0x14c [ 52.507986][ T4822] el0_svc+0x78/0x1e0 [ 52.508611][ T4822] el0t_64_sync_handler+0xcc/0xe4 [ 52.509397][ T4822] el0t_64_sync+0x1a0/0x1a4 [ 52.512746][ T4822] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 52.546711][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4273) [ 52.654606][ T4844] loop0: detected capacity change from 0 to 32768 [ 52.781308][ T4844] FAULT_INJECTION: forcing a failure. [ 52.781308][ T4844] name failslab, interval 1, probability 0, space 0, times 0 [ 52.783637][ T4844] CPU: 0 PID: 4844 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.785058][ T4844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.786634][ T4844] Call trace: [ 52.787109][ T4844] dump_backtrace+0x0/0x43c [ 52.787797][ T4844] show_stack+0x2c/0x3c [ 52.788511][ T4844] __dump_stack+0x30/0x40 [ 52.789197][ T4844] dump_stack_lvl+0xf8/0x160 [ 52.789955][ T4844] dump_stack+0x1c/0x5c [ 52.790576][ T4844] should_fail+0x3c0/0x51c [ 52.791217][ T4844] __should_failslab+0xbc/0x10c [ 52.791931][ T4844] should_failslab+0x10/0x28 [ 52.792634][ T4844] slab_pre_alloc_hook+0x64/0xec [ 52.793431][ T4844] kmem_cache_alloc_trace+0x98/0x3fc [ 52.794305][ T4844] join_transaction+0x10c/0xa64 [ 52.795071][ T4844] start_transaction+0x910/0x13f0 [ 52.795900][ T4844] btrfs_start_transaction+0x34/0x44 [ 52.796697][ T4844] btrfs_clear_free_space_tree+0xc4/0x9cc [ 52.797555][ T4844] btrfs_start_pre_rw_mount+0x240/0x568 [ 52.798357][ T4844] btrfs_remount+0xa98/0x12b8 [ 52.799021][ T4844] legacy_reconfigure+0xf8/0x110 [ 52.799680][ T4844] reconfigure_super+0x1d4/0x6f4 [ 52.800358][ T4844] path_mount+0xc80/0x1000 [ 52.800965][ T4844] __arm64_sys_mount+0x514/0x5e4 [ 52.801698][ T4844] invoke_syscall+0x98/0x2b8 [ 52.802331][ T4844] el0_svc_common+0x138/0x258 [ 52.803029][ T4844] do_el0_svc+0x58/0x14c [ 52.803656][ T4844] el0_svc+0x78/0x1e0 [ 52.804250][ T4844] el0t_64_sync_handler+0xcc/0xe4 [ 52.805007][ T4844] el0t_64_sync+0x1a0/0x1a4 [ 52.805840][ T4844] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 52.981348][ T4865] loop0: detected capacity change from 0 to 32768 [ 52.986912][ T4865] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4865) [ 53.003054][ T4865] FAULT_INJECTION: forcing a failure. [ 53.003054][ T4865] name failslab, interval 1, probability 0, space 0, times 0 [ 53.005985][ T4865] CPU: 0 PID: 4865 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.007486][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.009105][ T4865] Call trace: [ 53.009622][ T4865] dump_backtrace+0x0/0x43c [ 53.010316][ T4865] show_stack+0x2c/0x3c [ 53.010951][ T4865] __dump_stack+0x30/0x40 [ 53.011619][ T4865] dump_stack_lvl+0xf8/0x160 [ 53.012355][ T4865] dump_stack+0x1c/0x5c [ 53.012987][ T4865] should_fail+0x3c0/0x51c [ 53.013594][ T4865] __should_failslab+0xbc/0x10c [ 53.014313][ T4865] should_failslab+0x10/0x28 [ 53.014961][ T4865] slab_pre_alloc_hook+0x64/0xec [ 53.015760][ T4865] kmem_cache_alloc_trace+0x98/0x3fc [ 53.016479][ T4865] join_transaction+0x10c/0xa64 [ 53.017142][ T4865] start_transaction+0x910/0x13f0 [ 53.017896][ T4865] btrfs_start_transaction+0x34/0x44 [ 53.018689][ T4865] btrfs_clear_free_space_tree+0xc4/0x9cc [ 53.019590][ T4865] btrfs_start_pre_rw_mount+0x240/0x568 [ 53.020402][ T4865] btrfs_remount+0xa98/0x12b8 [ 53.021118][ T4865] legacy_reconfigure+0xf8/0x110 [ 53.021906][ T4865] reconfigure_super+0x1d4/0x6f4 [ 53.022621][ T4865] path_mount+0xc80/0x1000 [ 53.023276][ T4865] __arm64_sys_mount+0x514/0x5e4 [ 53.024032][ T4865] invoke_syscall+0x98/0x2b8 [ 53.024675][ T4865] el0_svc_common+0x138/0x258 [ 53.025403][ T4865] do_el0_svc+0x58/0x14c [ 53.026101][ T4865] el0_svc+0x78/0x1e0 [ 53.026770][ T4865] el0t_64_sync_handler+0xcc/0xe4 [ 53.027551][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 53.029681][ T4865] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 53.199333][ T4886] loop0: detected capacity change from 0 to 32768 [ 53.235754][ T4886] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4886) [ 53.255046][ T4886] FAULT_INJECTION: forcing a failure. [ 53.255046][ T4886] name failslab, interval 1, probability 0, space 0, times 0 [ 53.257157][ T4886] CPU: 1 PID: 4886 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.258467][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.259932][ T4886] Call trace: [ 53.260421][ T4886] dump_backtrace+0x0/0x43c [ 53.261071][ T4886] show_stack+0x2c/0x3c [ 53.261654][ T4886] __dump_stack+0x30/0x40 [ 53.262281][ T4886] dump_stack_lvl+0xf8/0x160 [ 53.262894][ T4886] dump_stack+0x1c/0x5c [ 53.263459][ T4886] should_fail+0x3c0/0x51c [ 53.264234][ T4886] __should_failslab+0xbc/0x10c [ 53.264945][ T4886] should_failslab+0x10/0x28 [ 53.265600][ T4886] slab_pre_alloc_hook+0x64/0xec [ 53.266329][ T4886] kmem_cache_alloc+0x94/0x3e4 [ 53.266988][ T4886] start_transaction+0x4d0/0x13f0 [ 53.267745][ T4886] btrfs_start_transaction+0x34/0x44 [ 53.268562][ T4886] btrfs_clear_free_space_tree+0xc4/0x9cc [ 53.269458][ T4886] btrfs_start_pre_rw_mount+0x240/0x568 [ 53.270378][ T4886] btrfs_remount+0xa98/0x12b8 [ 53.271196][ T4886] legacy_reconfigure+0xf8/0x110 [ 53.271960][ T4886] reconfigure_super+0x1d4/0x6f4 [ 53.272782][ T4886] path_mount+0xc80/0x1000 [ 53.273461][ T4886] __arm64_sys_mount+0x514/0x5e4 [ 53.274147][ T4886] invoke_syscall+0x98/0x2b8 [ 53.274826][ T4886] el0_svc_common+0x138/0x258 [ 53.275545][ T4886] do_el0_svc+0x58/0x14c [ 53.276204][ T4886] el0_svc+0x78/0x1e0 [ 53.276756][ T4886] el0t_64_sync_handler+0xcc/0xe4 [ 53.277627][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 53.279216][ T4886] BTRFS warning (device loop0): failed to clear free space tree: -12 1970/01/01 00:00:53 executed programs: 13 [ 53.326549][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4273) [ 53.425970][ T4907] loop0: detected capacity change from 0 to 32768 [ 53.516819][ T4907] FAULT_INJECTION: forcing a failure. [ 53.516819][ T4907] name failslab, interval 1, probability 0, space 0, times 0 [ 53.518819][ T4907] CPU: 1 PID: 4907 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.520197][ T4907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.521691][ T4907] Call trace: [ 53.522140][ T4907] dump_backtrace+0x0/0x43c [ 53.522810][ T4907] show_stack+0x2c/0x3c [ 53.523475][ T4907] __dump_stack+0x30/0x40 [ 53.524157][ T4907] dump_stack_lvl+0xf8/0x160 [ 53.524869][ T4907] dump_stack+0x1c/0x5c [ 53.525547][ T4907] should_fail+0x3c0/0x51c [ 53.526233][ T4907] __should_failslab+0xbc/0x10c [ 53.527030][ T4907] should_failslab+0x10/0x28 [ 53.527692][ T4907] slab_pre_alloc_hook+0x64/0xec [ 53.528422][ T4907] kmem_cache_alloc+0x94/0x3e4 [ 53.529140][ T4907] btrfs_alloc_path+0x5c/0x68 [ 53.529871][ T4907] btrfs_clear_free_space_tree+0x244/0x9cc [ 53.530760][ T4907] btrfs_start_pre_rw_mount+0x240/0x568 [ 53.531619][ T4907] btrfs_remount+0xa98/0x12b8 [ 53.532442][ T4907] legacy_reconfigure+0xf8/0x110 [ 53.533193][ T4907] reconfigure_super+0x1d4/0x6f4 [ 53.533868][ T4907] path_mount+0xc80/0x1000 [ 53.534578][ T4907] __arm64_sys_mount+0x514/0x5e4 [ 53.535334][ T4907] invoke_syscall+0x98/0x2b8 [ 53.536062][ T4907] el0_svc_common+0x138/0x258 [ 53.536774][ T4907] do_el0_svc+0x58/0x14c [ 53.537395][ T4907] el0_svc+0x78/0x1e0 [ 53.538043][ T4907] el0t_64_sync_handler+0xcc/0xe4 [ 53.538885][ T4907] el0t_64_sync+0x1a0/0x1a4 [ 53.541819][ T4907] ------------[ cut here ]------------ [ 53.542846][ T4907] WARNING: CPU: 0 PID: 4907 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 53.544654][ T4907] Modules linked in: [ 53.545248][ T4907] CPU: 0 PID: 4907 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.546562][ T4907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.548022][ T4907] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.549196][ T4907] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 53.550168][ T4907] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 53.551115][ T4907] sp : ffff8000201f77a0 [ 53.551670][ T4907] x29: ffff8000201f7850 x28: 1fffe0001a5cc00b x27: 0000000000000002 [ 53.552876][ T4907] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 53.553957][ T4907] x23: 1fffe0001bdbb0a5 x22: ffff0000d2e619d0 x21: ffff0000dedd8528 [ 53.555102][ T4907] x20: 00000000fffffff4 x19: ffff0000dedd84d0 x18: 0000000000000001 [ 53.556319][ T4907] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 53.557479][ T4907] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.558731][ T4907] x11: 0000000000000000 x10: 0000000000000000 x9 : b8d64f8387820200 [ 53.560046][ T4907] x8 : b8d64f8387820200 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.561168][ T4907] x5 : ffff8000201f7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 53.562477][ T4907] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.563738][ T4907] Call trace: [ 53.564230][ T4907] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 53.565115][ T4907] btrfs_start_pre_rw_mount+0x240/0x568 [ 53.565923][ T4907] btrfs_remount+0xa98/0x12b8 [ 53.566593][ T4907] legacy_reconfigure+0xf8/0x110 [ 53.567338][ T4907] reconfigure_super+0x1d4/0x6f4 [ 53.568056][ T4907] path_mount+0xc80/0x1000 [ 53.568649][ T4907] __arm64_sys_mount+0x514/0x5e4 [ 53.569369][ T4907] invoke_syscall+0x98/0x2b8 [ 53.570136][ T4907] el0_svc_common+0x138/0x258 [ 53.570899][ T4907] do_el0_svc+0x58/0x14c [ 53.571492][ T4907] el0_svc+0x78/0x1e0 [ 53.572092][ T4907] el0t_64_sync_handler+0xcc/0xe4 [ 53.572875][ T4907] el0t_64_sync+0x1a0/0x1a4 [ 53.573565][ T4907] irq event stamp: 81910 [ 53.574207][ T4907] hardirqs last enabled at (81909): [] __up_console_sem+0xb4/0x100 [ 53.575726][ T4907] hardirqs last disabled at (81910): [] el1_dbg+0x24/0x80 [ 53.577022][ T4907] softirqs last enabled at (81890): [] handle_softirqs+0xa4c/0xbf0 [ 53.578370][ T4907] softirqs last disabled at (81813): [] __irq_exit_rcu+0x240/0x440 [ 53.579723][ T4907] ---[ end trace 91fc900addfc09bc ]--- [ 53.583549][ T4907] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 53.585222][ T4907] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 53.619462][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 53.724612][ T4930] loop0: detected capacity change from 0 to 32768 [ 53.814538][ T4930] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4930) [ 53.828348][ T4930] FAULT_INJECTION: forcing a failure. [ 53.828348][ T4930] name failslab, interval 1, probability 0, space 0, times 0 [ 53.830443][ T4930] CPU: 0 PID: 4930 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.831873][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.833496][ T4930] Call trace: [ 53.834008][ T4930] dump_backtrace+0x0/0x43c [ 53.834648][ T4930] show_stack+0x2c/0x3c [ 53.835365][ T4930] __dump_stack+0x30/0x40 [ 53.836084][ T4930] dump_stack_lvl+0xf8/0x160 [ 53.836840][ T4930] dump_stack+0x1c/0x5c [ 53.837542][ T4930] should_fail+0x3c0/0x51c [ 53.838272][ T4930] __should_failslab+0xbc/0x10c [ 53.839002][ T4930] should_failslab+0x10/0x28 [ 53.839744][ T4930] slab_pre_alloc_hook+0x64/0xec [ 53.840538][ T4930] kmem_cache_alloc+0x94/0x3e4 [ 53.841308][ T4930] start_transaction+0x4d0/0x13f0 [ 53.842173][ T4930] btrfs_start_transaction+0x34/0x44 [ 53.843025][ T4930] btrfs_clear_free_space_tree+0xc4/0x9cc [ 53.843970][ T4930] btrfs_start_pre_rw_mount+0x240/0x568 [ 53.844784][ T4930] btrfs_remount+0xa98/0x12b8 [ 53.845460][ T4930] legacy_reconfigure+0xf8/0x110 [ 53.846254][ T4930] reconfigure_super+0x1d4/0x6f4 [ 53.847060][ T4930] path_mount+0xc80/0x1000 [ 53.847753][ T4930] __arm64_sys_mount+0x514/0x5e4 [ 53.848551][ T4930] invoke_syscall+0x98/0x2b8 [ 53.849196][ T4930] el0_svc_common+0x138/0x258 [ 53.849882][ T4930] do_el0_svc+0x58/0x14c [ 53.850554][ T4930] el0_svc+0x78/0x1e0 [ 53.851081][ T4930] el0t_64_sync_handler+0xcc/0xe4 [ 53.851829][ T4930] el0t_64_sync+0x1a0/0x1a4 [ 53.854670][ T4930] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 53.901642][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4273) [ 53.999055][ T4951] loop0: detected capacity change from 0 to 32768 [ 54.057538][ T4951] FAULT_INJECTION: forcing a failure. [ 54.057538][ T4951] name failslab, interval 1, probability 0, space 0, times 0 [ 54.059852][ T4951] CPU: 0 PID: 4951 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.061136][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.062631][ T4951] Call trace: [ 54.063158][ T4951] dump_backtrace+0x0/0x43c [ 54.063860][ T4951] show_stack+0x2c/0x3c [ 54.064551][ T4951] __dump_stack+0x30/0x40 [ 54.065334][ T4951] dump_stack_lvl+0xf8/0x160 [ 54.066053][ T4951] dump_stack+0x1c/0x5c [ 54.066663][ T4951] should_fail+0x3c0/0x51c [ 54.067338][ T4951] __should_failslab+0xbc/0x10c [ 54.068025][ T4951] should_failslab+0x10/0x28 [ 54.068695][ T4951] slab_pre_alloc_hook+0x64/0xec [ 54.069487][ T4951] kmem_cache_alloc+0x94/0x3e4 [ 54.070245][ T4951] btrfs_alloc_path+0x5c/0x68 [ 54.070960][ T4951] btrfs_clear_free_space_tree+0x244/0x9cc [ 54.071877][ T4951] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.072684][ T4951] btrfs_remount+0xa98/0x12b8 [ 54.073327][ T4951] legacy_reconfigure+0xf8/0x110 [ 54.074018][ T4951] reconfigure_super+0x1d4/0x6f4 [ 54.074681][ T4951] path_mount+0xc80/0x1000 [ 54.075314][ T4951] __arm64_sys_mount+0x514/0x5e4 [ 54.076009][ T4951] invoke_syscall+0x98/0x2b8 [ 54.076700][ T4951] el0_svc_common+0x138/0x258 [ 54.077335][ T4951] do_el0_svc+0x58/0x14c [ 54.077896][ T4951] el0_svc+0x78/0x1e0 [ 54.078382][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 54.078961][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 54.081224][ T4951] ------------[ cut here ]------------ [ 54.082126][ T4951] WARNING: CPU: 0 PID: 4951 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.083701][ T4951] Modules linked in: [ 54.084313][ T4951] CPU: 0 PID: 4951 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.085615][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.087054][ T4951] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.088210][ T4951] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.089087][ T4951] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.090064][ T4951] sp : ffff8000207577a0 [ 54.090722][ T4951] x29: ffff800020757850 x28: 1fffe0001a59400b x27: 0000000000000002 [ 54.091956][ T4951] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 54.093244][ T4951] x23: 1fffe0001bda6837 x22: ffff0000d2ca19d0 x21: ffff0000ded341b8 [ 54.094493][ T4951] x20: 00000000fffffff4 x19: ffff0000ded34160 x18: 0000000000000001 [ 54.095810][ T4951] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 54.097018][ T4951] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.098156][ T4951] x11: 0000000000000000 x10: 0000000000000000 x9 : 97d01b0061b8d300 [ 54.099289][ T4951] x8 : 97d01b0061b8d300 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.100583][ T4951] x5 : ffff800020757098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 54.101771][ T4951] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.102988][ T4951] Call trace: [ 54.103470][ T4951] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.104368][ T4951] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.105274][ T4951] btrfs_remount+0xa98/0x12b8 [ 54.105908][ T4951] legacy_reconfigure+0xf8/0x110 [ 54.106604][ T4951] reconfigure_super+0x1d4/0x6f4 [ 54.107316][ T4951] path_mount+0xc80/0x1000 [ 54.107943][ T4951] __arm64_sys_mount+0x514/0x5e4 [ 54.108618][ T4951] invoke_syscall+0x98/0x2b8 [ 54.109228][ T4951] el0_svc_common+0x138/0x258 [ 54.109924][ T4951] do_el0_svc+0x58/0x14c [ 54.110596][ T4951] el0_svc+0x78/0x1e0 [ 54.111223][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 54.111926][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 54.112544][ T4951] irq event stamp: 80338 [ 54.113160][ T4951] hardirqs last enabled at (80337): [] __up_console_sem+0xb4/0x100 [ 54.114465][ T4951] hardirqs last disabled at (80338): [] el1_dbg+0x24/0x80 [ 54.115667][ T4951] softirqs last enabled at (80318): [] handle_softirqs+0xa4c/0xbf0 [ 54.117207][ T4951] softirqs last disabled at (80305): [] __irq_exit_rcu+0x240/0x440 [ 54.118621][ T4951] ---[ end trace 91fc900addfc09bd ]--- [ 54.121829][ T4951] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 54.123503][ T4951] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 54.151277][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 54.265099][ T4974] loop0: detected capacity change from 0 to 32768 [ 54.295311][ T4974] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4974) [ 54.317438][ T4974] FAULT_INJECTION: forcing a failure. [ 54.317438][ T4974] name failslab, interval 1, probability 0, space 0, times 0 [ 54.319474][ T4974] CPU: 1 PID: 4974 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.320754][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.322220][ T4974] Call trace: [ 54.322685][ T4974] dump_backtrace+0x0/0x43c [ 54.323340][ T4974] show_stack+0x2c/0x3c [ 54.323999][ T4974] __dump_stack+0x30/0x40 [ 54.324664][ T4974] dump_stack_lvl+0xf8/0x160 [ 54.325305][ T4974] dump_stack+0x1c/0x5c [ 54.325916][ T4974] should_fail+0x3c0/0x51c [ 54.326589][ T4974] __should_failslab+0xbc/0x10c [ 54.327271][ T4974] should_failslab+0x10/0x28 [ 54.327977][ T4974] slab_pre_alloc_hook+0x64/0xec [ 54.328846][ T4974] kmem_cache_alloc+0x94/0x3e4 [ 54.329622][ T4974] btrfs_alloc_path+0x5c/0x68 [ 54.330361][ T4974] btrfs_clear_free_space_tree+0x244/0x9cc [ 54.331246][ T4974] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.332157][ T4974] btrfs_remount+0xa98/0x12b8 [ 54.332856][ T4974] legacy_reconfigure+0xf8/0x110 [ 54.333651][ T4974] reconfigure_super+0x1d4/0x6f4 [ 54.334397][ T4974] path_mount+0xc80/0x1000 [ 54.335099][ T4974] __arm64_sys_mount+0x514/0x5e4 [ 54.335866][ T4974] invoke_syscall+0x98/0x2b8 [ 54.336568][ T4974] el0_svc_common+0x138/0x258 [ 54.337345][ T4974] do_el0_svc+0x58/0x14c [ 54.338025][ T4974] el0_svc+0x78/0x1e0 [ 54.338673][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 54.339439][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 54.340993][ T4974] ------------[ cut here ]------------ [ 54.341939][ T4974] WARNING: CPU: 1 PID: 4974 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.343344][ T4538] Bluetooth: hci0: command 0x040f tx timeout [ 54.343603][ T4974] Modules linked in: [ 54.345123][ T4974] CPU: 1 PID: 4974 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.346472][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.347909][ T4974] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.349173][ T4974] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.350191][ T4974] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.351081][ T4974] sp : ffff8000207577a0 [ 54.351670][ T4974] x29: ffff800020757850 x28: 1fffe0001ac5800b x27: 0000000000000002 [ 54.352987][ T4974] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 54.354107][ T4974] x23: 1fffe0001bdbb0bb x22: ffff0000d62c19d0 x21: ffff0000dedd85d8 [ 54.355252][ T4974] x20: 00000000fffffff4 x19: ffff0000dedd8580 x18: 0000000000000001 [ 54.356551][ T4974] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 54.357773][ T4974] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.358974][ T4974] x11: 0000000000000000 x10: 0000000000000000 x9 : beb82b9eab052800 [ 54.360155][ T4974] x8 : beb82b9eab052800 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.361403][ T4974] x5 : ffff800020757098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 54.362589][ T4974] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.363714][ T4974] Call trace: [ 54.364199][ T4974] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.365092][ T4974] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.365972][ T4974] btrfs_remount+0xa98/0x12b8 [ 54.366773][ T4974] legacy_reconfigure+0xf8/0x110 [ 54.367550][ T4974] reconfigure_super+0x1d4/0x6f4 [ 54.368281][ T4974] path_mount+0xc80/0x1000 [ 54.368945][ T4974] __arm64_sys_mount+0x514/0x5e4 [ 54.369727][ T4974] invoke_syscall+0x98/0x2b8 [ 54.370399][ T4974] el0_svc_common+0x138/0x258 [ 54.371098][ T4974] do_el0_svc+0x58/0x14c [ 54.371751][ T4974] el0_svc+0x78/0x1e0 [ 54.372349][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 54.373186][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 54.373873][ T4974] irq event stamp: 80876 [ 54.374528][ T4974] hardirqs last enabled at (80875): [] __up_console_sem+0xb4/0x100 [ 54.375932][ T4974] hardirqs last disabled at (80876): [] el1_dbg+0x24/0x80 [ 54.377160][ T4974] softirqs last enabled at (80856): [] handle_softirqs+0xa4c/0xbf0 [ 54.378551][ T4974] softirqs last disabled at (80813): [] __irq_exit_rcu+0x240/0x440 [ 54.380051][ T4974] ---[ end trace 91fc900addfc09be ]--- [ 54.381980][ T4974] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 54.383698][ T4974] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 54.415782][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 54.535733][ T4996] loop0: detected capacity change from 0 to 32768 [ 54.540450][ T4996] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4996) [ 54.559173][ T4996] FAULT_INJECTION: forcing a failure. [ 54.559173][ T4996] name failslab, interval 1, probability 0, space 0, times 0 [ 54.561217][ T4996] CPU: 1 PID: 4996 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.562596][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.564188][ T4996] Call trace: [ 54.564661][ T4996] dump_backtrace+0x0/0x43c [ 54.565297][ T4996] show_stack+0x2c/0x3c [ 54.565944][ T4996] __dump_stack+0x30/0x40 [ 54.566613][ T4996] dump_stack_lvl+0xf8/0x160 [ 54.567281][ T4996] dump_stack+0x1c/0x5c [ 54.567872][ T4996] should_fail+0x3c0/0x51c [ 54.568479][ T4996] __should_failslab+0xbc/0x10c [ 54.569244][ T4996] should_failslab+0x10/0x28 [ 54.569895][ T4996] slab_pre_alloc_hook+0x64/0xec [ 54.570762][ T4996] kmem_cache_alloc+0x94/0x3e4 [ 54.571517][ T4996] btrfs_alloc_path+0x5c/0x68 [ 54.572215][ T4996] btrfs_clear_free_space_tree+0x244/0x9cc [ 54.573110][ T4996] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.573872][ T4996] btrfs_remount+0xa98/0x12b8 [ 54.574501][ T4996] legacy_reconfigure+0xf8/0x110 [ 54.575260][ T4996] reconfigure_super+0x1d4/0x6f4 [ 54.575975][ T4996] path_mount+0xc80/0x1000 [ 54.576707][ T4996] __arm64_sys_mount+0x514/0x5e4 [ 54.577394][ T4996] invoke_syscall+0x98/0x2b8 [ 54.578044][ T4996] el0_svc_common+0x138/0x258 [ 54.578712][ T4996] do_el0_svc+0x58/0x14c [ 54.579361][ T4996] el0_svc+0x78/0x1e0 [ 54.579938][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 54.580727][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 54.582335][ T4996] ------------[ cut here ]------------ [ 54.583750][ T4996] WARNING: CPU: 1 PID: 4996 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.585287][ T4996] Modules linked in: [ 54.585795][ T4996] CPU: 1 PID: 4996 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.587078][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.588589][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.589754][ T4996] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.590642][ T4996] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.591497][ T4996] sp : ffff8000202277a0 [ 54.592102][ T4996] x29: ffff800020227850 x28: 1fffe0001b8d900b x27: 0000000000000002 [ 54.593278][ T4996] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 54.594410][ T4996] x23: 1fffe0001bdbb0d1 x22: ffff0000dc6c99d0 x21: ffff0000dedd8688 [ 54.595576][ T4996] x20: 00000000fffffff4 x19: ffff0000dedd8630 x18: 0000000000000001 [ 54.596888][ T4996] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 54.598241][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.599488][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : e60ca233e0d86300 [ 54.600762][ T4996] x8 : e60ca233e0d86300 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.602126][ T4996] x5 : ffff800020227098 x4 : ffff80001425f420 x3 : ffff800008302278 [ 54.603340][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.604483][ T4996] Call trace: [ 54.604992][ T4996] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 54.605935][ T4996] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.606865][ T4996] btrfs_remount+0xa98/0x12b8 [ 54.607633][ T4996] legacy_reconfigure+0xf8/0x110 [ 54.608451][ T4996] reconfigure_super+0x1d4/0x6f4 [ 54.609226][ T4996] path_mount+0xc80/0x1000 [ 54.609967][ T4996] __arm64_sys_mount+0x514/0x5e4 [ 54.610765][ T4996] invoke_syscall+0x98/0x2b8 [ 54.611491][ T4996] el0_svc_common+0x138/0x258 [ 54.612172][ T4996] do_el0_svc+0x58/0x14c [ 54.612813][ T4996] el0_svc+0x78/0x1e0 [ 54.613421][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 54.614193][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 54.614922][ T4996] irq event stamp: 80258 [ 54.615555][ T4996] hardirqs last enabled at (80257): [] __up_console_sem+0xb4/0x100 [ 54.616909][ T4996] hardirqs last disabled at (80258): [] el1_dbg+0x24/0x80 [ 54.618125][ T4996] softirqs last enabled at (80246): [] handle_softirqs+0xa4c/0xbf0 [ 54.619616][ T4996] softirqs last disabled at (80141): [] __irq_exit_rcu+0x240/0x440 [ 54.621000][ T4996] ---[ end trace 91fc900addfc09bf ]--- [ 54.622605][ T4996] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 54.624346][ T4996] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 54.651738][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 54.774605][ T5018] loop0: detected capacity change from 0 to 32768 [ 54.854406][ T5018] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5018) [ 54.894586][ T5018] btrfs_printk: 128 callbacks suppressed [ 54.894596][ T5018] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.896908][ T5018] BTRFS info (device loop0): turning on flush-on-commit [ 54.897893][ T5018] BTRFS info (device loop0): using default commit interval 30s [ 54.899030][ T5018] BTRFS info (device loop0): force clearing of disk cache [ 54.900211][ T5018] BTRFS info (device loop0): force zlib compression, level 3 [ 54.901328][ T5018] BTRFS info (device loop0): enabling disk space caching [ 54.902362][ T5018] BTRFS info (device loop0): disk space caching is enabled [ 54.904028][ T5018] BTRFS info (device loop0): has skinny extents [ 54.919692][ T5018] BTRFS info (device loop0): enabling ssd optimizations [ 54.924051][ T5018] BTRFS info (device loop0): using default commit interval 30s [ 54.925357][ T5018] BTRFS info (device loop0): force clearing of disk cache [ 54.926561][ T5018] BTRFS info (device loop0): clearing free space tree [ 54.927681][ T5018] FAULT_INJECTION: forcing a failure. [ 54.927681][ T5018] name failslab, interval 1, probability 0, space 0, times 0 [ 54.929667][ T5018] CPU: 1 PID: 5018 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.931119][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.932715][ T5018] Call trace: [ 54.933196][ T5018] dump_backtrace+0x0/0x43c [ 54.933919][ T5018] show_stack+0x2c/0x3c [ 54.934586][ T5018] __dump_stack+0x30/0x40 [ 54.935268][ T5018] dump_stack_lvl+0xf8/0x160 [ 54.935987][ T5018] dump_stack+0x1c/0x5c [ 54.936661][ T5018] should_fail+0x3c0/0x51c [ 54.937407][ T5018] __should_failslab+0xbc/0x10c [ 54.938233][ T5018] should_failslab+0x10/0x28 [ 54.938928][ T5018] slab_pre_alloc_hook+0x64/0xec [ 54.939769][ T5018] kmem_cache_alloc_trace+0x98/0x3fc [ 54.940647][ T5018] join_transaction+0x10c/0xa64 [ 54.941350][ T5018] start_transaction+0x910/0x13f0 [ 54.942101][ T5018] btrfs_start_transaction+0x34/0x44 [ 54.942870][ T5018] btrfs_clear_free_space_tree+0xc4/0x9cc [ 54.943685][ T5018] btrfs_start_pre_rw_mount+0x240/0x568 [ 54.944497][ T5018] btrfs_remount+0xa98/0x12b8 [ 54.945175][ T5018] legacy_reconfigure+0xf8/0x110 [ 54.945894][ T5018] reconfigure_super+0x1d4/0x6f4 [ 54.946584][ T5018] path_mount+0xc80/0x1000 [ 54.947185][ T5018] __arm64_sys_mount+0x514/0x5e4 [ 54.947971][ T5018] invoke_syscall+0x98/0x2b8 [ 54.948711][ T5018] el0_svc_common+0x138/0x258 [ 54.949453][ T5018] do_el0_svc+0x58/0x14c [ 54.950087][ T5018] el0_svc+0x78/0x1e0 [ 54.950669][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 54.951397][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 54.953917][ T5018] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 55.088502][ T5040] loop0: detected capacity change from 0 to 32768 [ 55.092863][ T5040] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5040) [ 55.100775][ T5040] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.102225][ T5040] BTRFS info (device loop0): turning on flush-on-commit [ 55.103457][ T5040] BTRFS info (device loop0): using default commit interval 30s [ 55.104677][ T5040] BTRFS info (device loop0): force clearing of disk cache [ 55.105854][ T5040] BTRFS info (device loop0): force zlib compression, level 3 [ 55.107061][ T5040] BTRFS info (device loop0): enabling disk space caching [ 55.108166][ T5040] BTRFS info (device loop0): disk space caching is enabled [ 55.109333][ T5040] BTRFS info (device loop0): has skinny extents [ 55.119459][ T5040] BTRFS info (device loop0): enabling ssd optimizations [ 55.122440][ T5040] BTRFS info (device loop0): using default commit interval 30s [ 55.123758][ T5040] BTRFS info (device loop0): force clearing of disk cache [ 55.124969][ T5040] BTRFS info (device loop0): clearing free space tree [ 55.125987][ T5040] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 55.127514][ T5040] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 55.129100][ T5040] FAULT_INJECTION: forcing a failure. [ 55.129100][ T5040] name failslab, interval 1, probability 0, space 0, times 0 [ 55.131245][ T5040] CPU: 1 PID: 5040 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.132705][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.134109][ T5040] Call trace: [ 55.134570][ T5040] dump_backtrace+0x0/0x43c [ 55.135312][ T5040] show_stack+0x2c/0x3c [ 55.135913][ T5040] __dump_stack+0x30/0x40 [ 55.136558][ T5040] dump_stack_lvl+0xf8/0x160 [ 55.137225][ T5040] dump_stack+0x1c/0x5c [ 55.137822][ T5040] should_fail+0x3c0/0x51c [ 55.138439][ T5040] __should_failslab+0xbc/0x10c [ 55.139093][ T5040] should_failslab+0x10/0x28 [ 55.139767][ T5040] slab_pre_alloc_hook+0x64/0xec [ 55.140475][ T5040] kmem_cache_alloc+0x94/0x3e4 [ 55.141138][ T5040] btrfs_alloc_path+0x5c/0x68 [ 55.141840][ T5040] btrfs_clear_free_space_tree+0x244/0x9cc [ 55.142632][ T5040] btrfs_start_pre_rw_mount+0x240/0x568 [ 55.143456][ T5040] btrfs_remount+0xa98/0x12b8 [ 55.144156][ T5040] legacy_reconfigure+0xf8/0x110 [ 55.144915][ T5040] reconfigure_super+0x1d4/0x6f4 [ 55.145608][ T5040] path_mount+0xc80/0x1000 [ 55.146202][ T5040] __arm64_sys_mount+0x514/0x5e4 [ 55.146879][ T5040] invoke_syscall+0x98/0x2b8 [ 55.147571][ T5040] el0_svc_common+0x138/0x258 [ 55.148303][ T5040] do_el0_svc+0x58/0x14c [ 55.148954][ T5040] el0_svc+0x78/0x1e0 [ 55.149551][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 55.150356][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 55.151491][ T5040] ------------[ cut here ]------------ [ 55.152467][ T5040] WARNING: CPU: 1 PID: 5040 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.154211][ T5040] Modules linked in: [ 55.154790][ T5040] CPU: 1 PID: 5040 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.156050][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.157574][ T5040] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.158658][ T5040] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.159583][ T5040] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.160513][ T5040] sp : ffff800020b977a0 [ 55.161188][ T5040] x29: ffff800020b97850 x28: 1fffe0001ab8c80b x27: 0000000000000002 [ 55.162496][ T5040] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 55.163697][ T5040] x23: 1fffe0001bdbb04d x22: ffff0000d5c659d0 x21: ffff0000dedd8268 [ 55.164827][ T5040] x20: 00000000fffffff4 x19: ffff0000dedd8210 x18: 0000000000000001 [ 55.166069][ T5040] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 55.167248][ T5040] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.168509][ T5040] x11: 0000000000000000 x10: 0000000000000000 x9 : 396a88b2eac61500 [ 55.169652][ T5040] x8 : 396a88b2eac61500 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.170971][ T5040] x5 : ffff800020b97098 x4 : ffff80001425f420 x3 : ffff800008302278 [ 55.172313][ T5040] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.173505][ T5040] Call trace: [ 55.173962][ T5040] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.174825][ T5040] btrfs_start_pre_rw_mount+0x240/0x568 [ 55.175736][ T5040] btrfs_remount+0xa98/0x12b8 [ 55.176468][ T5040] legacy_reconfigure+0xf8/0x110 [ 55.177165][ T5040] reconfigure_super+0x1d4/0x6f4 [ 55.177894][ T5040] path_mount+0xc80/0x1000 [ 55.178578][ T5040] __arm64_sys_mount+0x514/0x5e4 [ 55.179309][ T5040] invoke_syscall+0x98/0x2b8 [ 55.179997][ T5040] el0_svc_common+0x138/0x258 [ 55.180736][ T5040] do_el0_svc+0x58/0x14c [ 55.181365][ T5040] el0_svc+0x78/0x1e0 [ 55.181949][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 55.182770][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 55.183416][ T5040] irq event stamp: 80116 [ 55.184017][ T5040] hardirqs last enabled at (80115): [] __up_console_sem+0xb4/0x100 [ 55.185346][ T5040] hardirqs last disabled at (80116): [] el1_dbg+0x24/0x80 [ 55.186651][ T5040] softirqs last enabled at (80096): [] handle_softirqs+0xa4c/0xbf0 [ 55.187993][ T5040] softirqs last disabled at (79931): [] __irq_exit_rcu+0x240/0x440 [ 55.189288][ T5040] ---[ end trace 91fc900addfc09c0 ]--- [ 55.190709][ T5040] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 55.192316][ T5040] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 55.222653][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 55.332122][ T5062] loop0: detected capacity change from 0 to 32768 [ 55.424571][ T5062] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5062) [ 55.428120][ T5062] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.429427][ T5062] BTRFS info (device loop0): turning on flush-on-commit [ 55.430563][ T5062] BTRFS info (device loop0): using default commit interval 30s [ 55.431641][ T5062] BTRFS info (device loop0): force clearing of disk cache [ 55.432711][ T5062] BTRFS info (device loop0): force zlib compression, level 3 [ 55.434568][ T5062] BTRFS info (device loop0): enabling disk space caching [ 55.435670][ T5062] BTRFS info (device loop0): disk space caching is enabled [ 55.436819][ T5062] BTRFS info (device loop0): has skinny extents [ 55.444790][ T5062] BTRFS info (device loop0): enabling ssd optimizations [ 55.447908][ T5062] BTRFS info (device loop0): using default commit interval 30s [ 55.449098][ T5062] BTRFS info (device loop0): force clearing of disk cache [ 55.450211][ T5062] BTRFS info (device loop0): clearing free space tree [ 55.451187][ T5062] FAULT_INJECTION: forcing a failure. [ 55.451187][ T5062] name failslab, interval 1, probability 0, space 0, times 0 [ 55.453284][ T5062] CPU: 0 PID: 5062 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.454773][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.456201][ T5062] Call trace: [ 55.456659][ T5062] dump_backtrace+0x0/0x43c [ 55.457363][ T5062] show_stack+0x2c/0x3c [ 55.458041][ T5062] __dump_stack+0x30/0x40 [ 55.458779][ T5062] dump_stack_lvl+0xf8/0x160 [ 55.459530][ T5062] dump_stack+0x1c/0x5c [ 55.460179][ T5062] should_fail+0x3c0/0x51c [ 55.460779][ T5062] __should_failslab+0xbc/0x10c [ 55.461597][ T5062] should_failslab+0x10/0x28 [ 55.462246][ T5062] slab_pre_alloc_hook+0x64/0xec [ 55.462987][ T5062] kmem_cache_alloc_trace+0x98/0x3fc [ 55.463836][ T5062] join_transaction+0x10c/0xa64 [ 55.464560][ T5062] start_transaction+0x910/0x13f0 [ 55.465352][ T5062] btrfs_start_transaction+0x34/0x44 [ 55.466160][ T5062] btrfs_clear_free_space_tree+0xc4/0x9cc [ 55.467047][ T5062] btrfs_start_pre_rw_mount+0x240/0x568 [ 55.467904][ T5062] btrfs_remount+0xa98/0x12b8 [ 55.468561][ T5062] legacy_reconfigure+0xf8/0x110 [ 55.469364][ T5062] reconfigure_super+0x1d4/0x6f4 [ 55.470172][ T5062] path_mount+0xc80/0x1000 [ 55.470838][ T5062] __arm64_sys_mount+0x514/0x5e4 [ 55.471583][ T5062] invoke_syscall+0x98/0x2b8 [ 55.472325][ T5062] el0_svc_common+0x138/0x258 [ 55.473142][ T5062] do_el0_svc+0x58/0x14c [ 55.473847][ T5062] el0_svc+0x78/0x1e0 [ 55.474483][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 55.475291][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 55.476646][ T5062] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 55.657299][ T5083] loop0: detected capacity change from 0 to 32768 [ 55.709301][ T5083] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5083) [ 55.712615][ T5083] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.714395][ T5083] BTRFS info (device loop0): turning on flush-on-commit [ 55.715505][ T5083] BTRFS info (device loop0): using default commit interval 30s [ 55.716675][ T5083] BTRFS info (device loop0): force clearing of disk cache [ 55.717861][ T5083] BTRFS info (device loop0): force zlib compression, level 3 [ 55.719099][ T5083] BTRFS info (device loop0): enabling disk space caching [ 55.720218][ T5083] BTRFS info (device loop0): disk space caching is enabled [ 55.721388][ T5083] BTRFS info (device loop0): has skinny extents [ 55.730270][ T5083] BTRFS info (device loop0): enabling ssd optimizations [ 55.734011][ T5083] BTRFS info (device loop0): using default commit interval 30s [ 55.735380][ T5083] BTRFS info (device loop0): force clearing of disk cache [ 55.736374][ T5083] BTRFS info (device loop0): clearing free space tree [ 55.737540][ T5083] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 55.739027][ T5083] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 55.740618][ T5083] FAULT_INJECTION: forcing a failure. [ 55.740618][ T5083] name failslab, interval 1, probability 0, space 0, times 0 [ 55.742506][ T5083] CPU: 0 PID: 5083 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.743818][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.745293][ T5083] Call trace: [ 55.745783][ T5083] dump_backtrace+0x0/0x43c [ 55.746412][ T5083] show_stack+0x2c/0x3c [ 55.747032][ T5083] __dump_stack+0x30/0x40 [ 55.747647][ T5083] dump_stack_lvl+0xf8/0x160 [ 55.748328][ T5083] dump_stack+0x1c/0x5c [ 55.748949][ T5083] should_fail+0x3c0/0x51c [ 55.749593][ T5083] __should_failslab+0xbc/0x10c [ 55.750411][ T5083] should_failslab+0x10/0x28 [ 55.751138][ T5083] slab_pre_alloc_hook+0x64/0xec [ 55.751931][ T5083] kmem_cache_alloc+0x94/0x3e4 [ 55.752694][ T5083] btrfs_alloc_path+0x5c/0x68 [ 55.753420][ T5083] btrfs_clear_free_space_tree+0x244/0x9cc [ 55.754297][ T5083] btrfs_start_pre_rw_mount+0x240/0x568 [ 55.755187][ T5083] btrfs_remount+0xa98/0x12b8 [ 55.755933][ T5083] legacy_reconfigure+0xf8/0x110 [ 55.756748][ T5083] reconfigure_super+0x1d4/0x6f4 [ 55.757565][ T5083] path_mount+0xc80/0x1000 [ 55.758257][ T5083] __arm64_sys_mount+0x514/0x5e4 [ 55.759048][ T5083] invoke_syscall+0x98/0x2b8 [ 55.759811][ T5083] el0_svc_common+0x138/0x258 [ 55.760564][ T5083] do_el0_svc+0x58/0x14c [ 55.761255][ T5083] el0_svc+0x78/0x1e0 [ 55.761887][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 55.762642][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 55.766007][ T5083] ------------[ cut here ]------------ [ 55.766990][ T5083] WARNING: CPU: 0 PID: 5083 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.768690][ T5083] Modules linked in: [ 55.769244][ T5083] CPU: 0 PID: 5083 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.770687][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.772311][ T5083] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.773467][ T5083] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.774426][ T5083] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.775436][ T5083] sp : ffff800020de77a0 [ 55.776059][ T5083] x29: ffff800020de7850 x28: 1fffe0001adb700b x27: 0000000000000002 [ 55.777223][ T5083] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 55.778460][ T5083] x23: 1fffe0001bda693f x22: ffff0000d6db99d0 x21: ffff0000ded349f8 [ 55.779683][ T5083] x20: 00000000fffffff4 x19: ffff0000ded349a0 x18: 0000000000000001 [ 55.780981][ T5083] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 55.782217][ T5083] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.783372][ T5083] x11: 0000000000000000 x10: 0000000000000000 x9 : bd05e7aec0cd7a00 [ 55.784575][ T5083] x8 : bd05e7aec0cd7a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.785757][ T5083] x5 : ffff800020de7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 55.787111][ T5083] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.788490][ T5083] Call trace: [ 55.789037][ T5083] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 55.789966][ T5083] btrfs_start_pre_rw_mount+0x240/0x568 [ 55.790884][ T5083] btrfs_remount+0xa98/0x12b8 [ 55.791637][ T5083] legacy_reconfigure+0xf8/0x110 [ 55.792432][ T5083] reconfigure_super+0x1d4/0x6f4 [ 55.793191][ T5083] path_mount+0xc80/0x1000 [ 55.793826][ T5083] __arm64_sys_mount+0x514/0x5e4 [ 55.794548][ T5083] invoke_syscall+0x98/0x2b8 [ 55.795226][ T5083] el0_svc_common+0x138/0x258 [ 55.795877][ T5083] do_el0_svc+0x58/0x14c [ 55.796510][ T5083] el0_svc+0x78/0x1e0 [ 55.797091][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 55.797810][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 55.798505][ T5083] irq event stamp: 80594 [ 55.799214][ T5083] hardirqs last enabled at (80593): [] __up_console_sem+0xb4/0x100 [ 55.800814][ T5083] hardirqs last disabled at (80594): [] el1_dbg+0x24/0x80 [ 55.802408][ T5083] softirqs last enabled at (80574): [] handle_softirqs+0xa4c/0xbf0 [ 55.803945][ T5083] softirqs last disabled at (80479): [] __irq_exit_rcu+0x240/0x440 [ 55.805431][ T5083] ---[ end trace 91fc900addfc09c1 ]--- [ 55.808228][ T5083] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 55.809961][ T5083] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 55.841265][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 56.011176][ T5105] loop0: detected capacity change from 0 to 32768 [ 56.055571][ T5105] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5105) [ 56.060858][ T5105] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.062227][ T5105] BTRFS info (device loop0): turning on flush-on-commit [ 56.064480][ T5105] BTRFS info (device loop0): using default commit interval 30s [ 56.065640][ T5105] BTRFS info (device loop0): force clearing of disk cache [ 56.066805][ T5105] BTRFS info (device loop0): force zlib compression, level 3 [ 56.067820][ T5105] BTRFS info (device loop0): enabling disk space caching [ 56.069050][ T5105] BTRFS info (device loop0): disk space caching is enabled [ 56.070221][ T5105] BTRFS info (device loop0): has skinny extents [ 56.082516][ T5105] BTRFS info (device loop0): enabling ssd optimizations [ 56.086509][ T5105] BTRFS info (device loop0): using default commit interval 30s [ 56.087850][ T5105] BTRFS info (device loop0): force clearing of disk cache [ 56.089073][ T5105] BTRFS info (device loop0): clearing free space tree [ 56.090211][ T5105] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.091799][ T5105] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.093495][ T5105] FAULT_INJECTION: forcing a failure. [ 56.093495][ T5105] name failslab, interval 1, probability 0, space 0, times 0 [ 56.095598][ T5105] CPU: 1 PID: 5105 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.097027][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.098525][ T5105] Call trace: [ 56.098989][ T5105] dump_backtrace+0x0/0x43c [ 56.099713][ T5105] show_stack+0x2c/0x3c [ 56.100446][ T5105] __dump_stack+0x30/0x40 [ 56.101126][ T5105] dump_stack_lvl+0xf8/0x160 [ 56.101892][ T5105] dump_stack+0x1c/0x5c [ 56.102576][ T5105] should_fail+0x3c0/0x51c [ 56.103292][ T5105] __should_failslab+0xbc/0x10c [ 56.104001][ T5105] should_failslab+0x10/0x28 [ 56.104820][ T5105] slab_pre_alloc_hook+0x64/0xec [ 56.105503][ T5105] kmem_cache_alloc+0x94/0x3e4 [ 56.106153][ T5105] btrfs_alloc_path+0x5c/0x68 [ 56.106807][ T5105] btrfs_clear_free_space_tree+0x244/0x9cc [ 56.107730][ T5105] btrfs_start_pre_rw_mount+0x240/0x568 [ 56.108605][ T5105] btrfs_remount+0xa98/0x12b8 [ 56.109373][ T5105] legacy_reconfigure+0xf8/0x110 [ 56.110178][ T5105] reconfigure_super+0x1d4/0x6f4 [ 56.110994][ T5105] path_mount+0xc80/0x1000 [ 56.111698][ T5105] __arm64_sys_mount+0x514/0x5e4 [ 56.112517][ T5105] invoke_syscall+0x98/0x2b8 [ 56.113279][ T5105] el0_svc_common+0x138/0x258 [ 56.114058][ T5105] do_el0_svc+0x58/0x14c [ 56.114806][ T5105] el0_svc+0x78/0x1e0 [ 56.115466][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 56.116248][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 56.117703][ T5105] ------------[ cut here ]------------ [ 56.118620][ T5105] WARNING: CPU: 1 PID: 5105 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 56.120152][ T5105] Modules linked in: [ 56.120750][ T5105] CPU: 1 PID: 5105 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.122124][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.123555][ T5105] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.124740][ T5105] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 56.125552][ T5105] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 56.126472][ T5105] sp : ffff8000213077a0 [ 56.127069][ T5105] x29: ffff800021307850 x28: 1fffe0001adb700b x27: 0000000000000002 [ 56.128210][ T5105] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 56.129359][ T5105] x23: 1fffe0001bdbb08f x22: ffff0000d6db99d0 x21: ffff0000dedd8478 [ 56.130630][ T5105] x20: 00000000fffffff4 x19: ffff0000dedd8420 x18: 0000000000000001 [ 56.131895][ T5105] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 56.133207][ T5105] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.134496][ T5105] x11: 0000000000000000 x10: 0000000000000000 x9 : 6e15e9357ff0cc00 [ 56.135807][ T5105] x8 : 6e15e9357ff0cc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.136974][ T5105] x5 : ffff800021307098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 56.138149][ T5105] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.139369][ T5105] Call trace: [ 56.139881][ T5105] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 56.140674][ T5105] btrfs_start_pre_rw_mount+0x240/0x568 [ 56.141436][ T5105] btrfs_remount+0xa98/0x12b8 [ 56.142171][ T5105] legacy_reconfigure+0xf8/0x110 [ 56.142964][ T5105] reconfigure_super+0x1d4/0x6f4 [ 56.143759][ T5105] path_mount+0xc80/0x1000 [ 56.144440][ T5105] __arm64_sys_mount+0x514/0x5e4 [ 56.145227][ T5105] invoke_syscall+0x98/0x2b8 [ 56.145965][ T5105] el0_svc_common+0x138/0x258 [ 56.146689][ T5105] do_el0_svc+0x58/0x14c [ 56.147346][ T5105] el0_svc+0x78/0x1e0 [ 56.147946][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 56.148715][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 56.149411][ T5105] irq event stamp: 81088 [ 56.150068][ T5105] hardirqs last enabled at (81087): [] __up_console_sem+0xb4/0x100 [ 56.151536][ T5105] hardirqs last disabled at (81088): [] el1_dbg+0x24/0x80 [ 56.152775][ T5105] softirqs last enabled at (81068): [] handle_softirqs+0xa4c/0xbf0 [ 56.154309][ T5105] softirqs last disabled at (81053): [] __irq_exit_rcu+0x240/0x440 [ 56.155834][ T5105] ---[ end trace 91fc900addfc09c2 ]--- [ 56.156892][ T5105] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 56.158620][ T5105] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 56.187235][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 56.357029][ T5127] loop0: detected capacity change from 0 to 32768 [ 56.409599][ T5127] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5127) [ 56.413347][ T4797] Bluetooth: hci0: command 0x0419 tx timeout [ 56.414165][ T5127] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.415672][ T5127] BTRFS info (device loop0): turning on flush-on-commit [ 56.416715][ T5127] BTRFS info (device loop0): using default commit interval 30s [ 56.417820][ T5127] BTRFS info (device loop0): force clearing of disk cache [ 56.418810][ T5127] BTRFS info (device loop0): force zlib compression, level 3 [ 56.419908][ T5127] BTRFS info (device loop0): enabling disk space caching [ 56.420876][ T5127] BTRFS info (device loop0): disk space caching is enabled [ 56.421911][ T5127] BTRFS info (device loop0): has skinny extents [ 56.432680][ T5127] BTRFS info (device loop0): enabling ssd optimizations [ 56.436085][ T5127] BTRFS info (device loop0): using default commit interval 30s [ 56.437273][ T5127] BTRFS info (device loop0): force clearing of disk cache [ 56.438497][ T5127] BTRFS info (device loop0): clearing free space tree [ 56.439441][ T5127] FAULT_INJECTION: forcing a failure. [ 56.439441][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 56.441515][ T5127] CPU: 1 PID: 5127 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.442799][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.444235][ T5127] Call trace: [ 56.444673][ T5127] dump_backtrace+0x0/0x43c [ 56.445314][ T5127] show_stack+0x2c/0x3c [ 56.445905][ T5127] __dump_stack+0x30/0x40 [ 56.446569][ T5127] dump_stack_lvl+0xf8/0x160 [ 56.447232][ T5127] dump_stack+0x1c/0x5c [ 56.447872][ T5127] should_fail+0x3c0/0x51c [ 56.448577][ T5127] __should_failslab+0xbc/0x10c [ 56.449323][ T5127] should_failslab+0x10/0x28 [ 56.450040][ T5127] slab_pre_alloc_hook+0x64/0xec [ 56.450824][ T5127] kmem_cache_alloc_trace+0x98/0x3fc [ 56.451678][ T5127] join_transaction+0x10c/0xa64 [ 56.452414][ T5127] start_transaction+0x910/0x13f0 [ 56.453159][ T5127] btrfs_start_transaction+0x34/0x44 [ 56.453958][ T5127] btrfs_clear_free_space_tree+0xc4/0x9cc [ 56.454822][ T5127] btrfs_start_pre_rw_mount+0x240/0x568 [ 56.455693][ T5127] btrfs_remount+0xa98/0x12b8 [ 56.456384][ T5127] legacy_reconfigure+0xf8/0x110 [ 56.457144][ T5127] reconfigure_super+0x1d4/0x6f4 [ 56.457879][ T5127] path_mount+0xc80/0x1000 [ 56.458580][ T5127] __arm64_sys_mount+0x514/0x5e4 [ 56.459286][ T5127] invoke_syscall+0x98/0x2b8 [ 56.459970][ T5127] el0_svc_common+0x138/0x258 [ 56.460635][ T5127] do_el0_svc+0x58/0x14c [ 56.461281][ T5127] el0_svc+0x78/0x1e0 [ 56.461855][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 56.462566][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 56.464088][ T5127] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 56.501451][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4273) [ 56.602518][ T5148] loop0: detected capacity change from 0 to 32768 [ 56.735535][ T5148] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.737056][ T5148] BTRFS info (device loop0): turning on flush-on-commit [ 56.738193][ T5148] BTRFS info (device loop0): using default commit interval 30s [ 56.739491][ T5148] BTRFS info (device loop0): force clearing of disk cache [ 56.740673][ T5148] BTRFS info (device loop0): force zlib compression, level 3 [ 56.741870][ T5148] BTRFS info (device loop0): enabling disk space caching [ 56.742814][ T5148] BTRFS info (device loop0): disk space caching is enabled [ 56.744026][ T5148] BTRFS info (device loop0): has skinny extents [ 56.751925][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 56.754846][ T5148] BTRFS info (device loop0): using default commit interval 30s [ 56.756166][ T5148] BTRFS info (device loop0): force clearing of disk cache [ 56.757360][ T5148] BTRFS info (device loop0): clearing free space tree [ 56.758480][ T5148] FAULT_INJECTION: forcing a failure. [ 56.758480][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 56.760457][ T5148] CPU: 0 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.761856][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.763522][ T5148] Call trace: [ 56.764076][ T5148] dump_backtrace+0x0/0x43c [ 56.764874][ T5148] show_stack+0x2c/0x3c [ 56.765579][ T5148] __dump_stack+0x30/0x40 [ 56.766321][ T5148] dump_stack_lvl+0xf8/0x160 [ 56.767092][ T5148] dump_stack+0x1c/0x5c [ 56.767726][ T5148] should_fail+0x3c0/0x51c [ 56.768487][ T5148] __should_failslab+0xbc/0x10c [ 56.769346][ T5148] should_failslab+0x10/0x28 [ 56.770010][ T5148] slab_pre_alloc_hook+0x64/0xec [ 56.770781][ T5148] kmem_cache_alloc_trace+0x98/0x3fc [ 56.771574][ T5148] join_transaction+0x10c/0xa64 [ 56.772372][ T5148] start_transaction+0x910/0x13f0 [ 56.773165][ T5148] btrfs_start_transaction+0x34/0x44 [ 56.774008][ T5148] btrfs_clear_free_space_tree+0xc4/0x9cc [ 56.774930][ T5148] btrfs_start_pre_rw_mount+0x240/0x568 [ 56.775878][ T5148] btrfs_remount+0xa98/0x12b8 [ 56.776600][ T5148] legacy_reconfigure+0xf8/0x110 [ 56.777346][ T5148] reconfigure_super+0x1d4/0x6f4 [ 56.778070][ T5148] path_mount+0xc80/0x1000 [ 56.778827][ T5148] __arm64_sys_mount+0x514/0x5e4 [ 56.779582][ T5148] invoke_syscall+0x98/0x2b8 [ 56.780251][ T5148] el0_svc_common+0x138/0x258 [ 56.780990][ T5148] do_el0_svc+0x58/0x14c [ 56.781655][ T5148] el0_svc+0x78/0x1e0 [ 56.782270][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 56.783073][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 56.784629][ T5148] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 56.918780][ T5171] loop0: detected capacity change from 0 to 32768 [ 56.921867][ T5171] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5171) [ 56.930278][ T5171] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.933234][ T5171] BTRFS info (device loop0): turning on flush-on-commit [ 56.934702][ T5171] BTRFS info (device loop0): using default commit interval 30s [ 56.935902][ T5171] BTRFS info (device loop0): force clearing of disk cache [ 56.937145][ T5171] BTRFS info (device loop0): force zlib compression, level 3 [ 56.938358][ T5171] BTRFS info (device loop0): enabling disk space caching [ 56.939490][ T5171] BTRFS info (device loop0): disk space caching is enabled [ 56.940593][ T5171] BTRFS info (device loop0): has skinny extents [ 56.948603][ T5171] BTRFS info (device loop0): enabling ssd optimizations [ 56.951672][ T5171] BTRFS info (device loop0): using default commit interval 30s [ 56.953028][ T5171] FAULT_INJECTION: forcing a failure. [ 56.953028][ T5171] name failslab, interval 1, probability 0, space 0, times 0 [ 56.955937][ T5171] CPU: 0 PID: 5171 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.957235][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.958817][ T5171] Call trace: [ 56.959343][ T5171] dump_backtrace+0x0/0x43c [ 56.960030][ T5171] show_stack+0x2c/0x3c [ 56.960599][ T5171] __dump_stack+0x30/0x40 [ 56.961264][ T5171] dump_stack_lvl+0xf8/0x160 [ 56.961945][ T5171] dump_stack+0x1c/0x5c [ 56.962548][ T5171] should_fail+0x3c0/0x51c [ 56.963204][ T5171] __should_failslab+0xbc/0x10c [ 56.964006][ T5171] should_failslab+0x10/0x28 [ 56.964760][ T5171] slab_pre_alloc_hook+0x64/0xec [ 56.965572][ T5171] kmem_cache_alloc_trace+0x98/0x3fc [ 56.966383][ T5171] join_transaction+0x10c/0xa64 [ 56.967135][ T5171] start_transaction+0x910/0x13f0 [ 56.967919][ T5171] btrfs_start_transaction+0x34/0x44 [ 56.968736][ T5171] btrfs_clear_free_space_tree+0xc4/0x9cc [ 56.969673][ T5171] btrfs_start_pre_rw_mount+0x240/0x568 [ 56.970539][ T5171] btrfs_remount+0xa98/0x12b8 [ 56.971238][ T5171] legacy_reconfigure+0xf8/0x110 [ 56.972036][ T5171] reconfigure_super+0x1d4/0x6f4 [ 56.972860][ T5171] path_mount+0xc80/0x1000 [ 56.973599][ T5171] __arm64_sys_mount+0x514/0x5e4 [ 56.974448][ T5171] invoke_syscall+0x98/0x2b8 [ 56.975212][ T5171] el0_svc_common+0x138/0x258 [ 56.975980][ T5171] do_el0_svc+0x58/0x14c [ 56.976668][ T5171] el0_svc+0x78/0x1e0 [ 56.977384][ T5171] el0t_64_sync_handler+0xcc/0xe4 [ 56.978219][ T5171] el0t_64_sync+0x1a0/0x1a4 [ 56.979825][ T5171] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 57.023784][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4273) [ 57.136268][ T5192] loop0: detected capacity change from 0 to 32768 [ 57.191250][ T5192] FAULT_INJECTION: forcing a failure. [ 57.191250][ T5192] name failslab, interval 1, probability 0, space 0, times 0 [ 57.194255][ T5192] CPU: 1 PID: 5192 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.195613][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.197083][ T5192] Call trace: [ 57.197591][ T5192] dump_backtrace+0x0/0x43c [ 57.198255][ T5192] show_stack+0x2c/0x3c [ 57.198937][ T5192] __dump_stack+0x30/0x40 [ 57.199670][ T5192] dump_stack_lvl+0xf8/0x160 [ 57.200376][ T5192] dump_stack+0x1c/0x5c [ 57.200959][ T5192] should_fail+0x3c0/0x51c [ 57.201621][ T5192] __should_failslab+0xbc/0x10c [ 57.202352][ T5192] should_failslab+0x10/0x28 [ 57.203045][ T5192] slab_pre_alloc_hook+0x64/0xec [ 57.203784][ T5192] kmem_cache_alloc+0x94/0x3e4 [ 57.204486][ T5192] btrfs_alloc_path+0x5c/0x68 [ 57.205224][ T5192] btrfs_clear_free_space_tree+0x244/0x9cc [ 57.206148][ T5192] btrfs_start_pre_rw_mount+0x240/0x568 [ 57.207009][ T5192] btrfs_remount+0xa98/0x12b8 [ 57.207737][ T5192] legacy_reconfigure+0xf8/0x110 [ 57.208545][ T5192] reconfigure_super+0x1d4/0x6f4 [ 57.209327][ T5192] path_mount+0xc80/0x1000 [ 57.210007][ T5192] __arm64_sys_mount+0x514/0x5e4 [ 57.210735][ T5192] invoke_syscall+0x98/0x2b8 [ 57.211470][ T5192] el0_svc_common+0x138/0x258 [ 57.212217][ T5192] do_el0_svc+0x58/0x14c [ 57.212898][ T5192] el0_svc+0x78/0x1e0 [ 57.213505][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 57.214309][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 57.216768][ T5192] ------------[ cut here ]------------ [ 57.217723][ T5192] WARNING: CPU: 1 PID: 5192 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.219319][ T5192] Modules linked in: [ 57.219916][ T5192] CPU: 1 PID: 5192 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.221366][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.222943][ T5192] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.224194][ T5192] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.225184][ T5192] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.226164][ T5192] sp : ffff8000217a77a0 [ 57.226796][ T5192] x29: ffff8000217a7850 x28: 1fffe0001978b00b x27: 0000000000000002 [ 57.228057][ T5192] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 57.229211][ T5192] x23: 1fffe0001bdbb0fd x22: ffff0000cbc599d0 x21: ffff0000dedd87e8 [ 57.230387][ T5192] x20: 00000000fffffff4 x19: ffff0000dedd8790 x18: 0000000000000001 [ 57.231575][ T5192] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 57.232814][ T5192] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.234118][ T5192] x11: 0000000000000000 x10: 0000000000000000 x9 : 75332218d1528900 [ 57.235321][ T5192] x8 : 75332218d1528900 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.236452][ T5192] x5 : ffff8000217a7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 57.237676][ T5192] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.238855][ T5192] Call trace: [ 57.239346][ T5192] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.240209][ T5192] btrfs_start_pre_rw_mount+0x240/0x568 [ 57.241040][ T5192] btrfs_remount+0xa98/0x12b8 [ 57.241751][ T5192] legacy_reconfigure+0xf8/0x110 [ 57.242439][ T5192] reconfigure_super+0x1d4/0x6f4 [ 57.243116][ T5192] path_mount+0xc80/0x1000 [ 57.243784][ T5192] __arm64_sys_mount+0x514/0x5e4 [ 57.244532][ T5192] invoke_syscall+0x98/0x2b8 [ 57.245252][ T5192] el0_svc_common+0x138/0x258 [ 57.245999][ T5192] do_el0_svc+0x58/0x14c [ 57.246680][ T5192] el0_svc+0x78/0x1e0 [ 57.247293][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 57.248070][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 57.248769][ T5192] irq event stamp: 80972 [ 57.249410][ T5192] hardirqs last enabled at (80971): [] __up_console_sem+0xb4/0x100 [ 57.250763][ T5192] hardirqs last disabled at (80972): [] el1_dbg+0x24/0x80 [ 57.252059][ T5192] softirqs last enabled at (80952): [] handle_softirqs+0xa4c/0xbf0 [ 57.253399][ T5192] softirqs last disabled at (80843): [] __irq_exit_rcu+0x240/0x440 [ 57.254933][ T5192] ---[ end trace 91fc900addfc09c3 ]--- [ 57.257835][ T5192] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 57.259365][ T5192] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 57.289392][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 57.410589][ T5215] loop0: detected capacity change from 0 to 32768 [ 57.432940][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4273) [ 57.451877][ T5215] FAULT_INJECTION: forcing a failure. [ 57.451877][ T5215] name failslab, interval 1, probability 0, space 0, times 0 [ 57.454615][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.456012][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.457530][ T5215] Call trace: [ 57.458011][ T5215] dump_backtrace+0x0/0x43c [ 57.458732][ T5215] show_stack+0x2c/0x3c [ 57.459398][ T5215] __dump_stack+0x30/0x40 [ 57.460079][ T5215] dump_stack_lvl+0xf8/0x160 [ 57.460852][ T5215] dump_stack+0x1c/0x5c [ 57.461490][ T5215] should_fail+0x3c0/0x51c [ 57.462133][ T5215] __should_failslab+0xbc/0x10c [ 57.462829][ T5215] should_failslab+0x10/0x28 [ 57.463571][ T5215] slab_pre_alloc_hook+0x64/0xec [ 57.464351][ T5215] kmem_cache_alloc+0x94/0x3e4 [ 57.465073][ T5215] btrfs_alloc_path+0x5c/0x68 [ 57.465711][ T5215] btrfs_clear_free_space_tree+0x244/0x9cc [ 57.466554][ T5215] btrfs_start_pre_rw_mount+0x240/0x568 [ 57.467333][ T5215] btrfs_remount+0xa98/0x12b8 [ 57.468020][ T5215] legacy_reconfigure+0xf8/0x110 [ 57.468742][ T5215] reconfigure_super+0x1d4/0x6f4 [ 57.469516][ T5215] path_mount+0xc80/0x1000 [ 57.470211][ T5215] __arm64_sys_mount+0x514/0x5e4 [ 57.471062][ T5215] invoke_syscall+0x98/0x2b8 [ 57.471728][ T5215] el0_svc_common+0x138/0x258 [ 57.472422][ T5215] do_el0_svc+0x58/0x14c [ 57.473061][ T5215] el0_svc+0x78/0x1e0 [ 57.473651][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 57.474434][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 57.476631][ T5215] ------------[ cut here ]------------ [ 57.477538][ T5215] WARNING: CPU: 1 PID: 5215 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.479303][ T5215] Modules linked in: [ 57.479920][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.481284][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.482819][ T5215] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.484067][ T5215] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.485076][ T5215] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.486056][ T5215] sp : ffff8000218a77a0 [ 57.486710][ T5215] x29: ffff8000218a7850 x28: 1fffe0001978b00b x27: 0000000000000002 [ 57.487934][ T5215] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 57.489137][ T5215] x23: 1fffe0001bdbb113 x22: ffff0000cbc599d0 x21: ffff0000dedd8898 [ 57.490368][ T5215] x20: 00000000fffffff4 x19: ffff0000dedd8840 x18: 0000000000000001 [ 57.491645][ T5215] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 57.492921][ T5215] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.494112][ T5215] x11: 0000000000000000 x10: 0000000000000000 x9 : 2d6d4a6499829900 [ 57.495384][ T5215] x8 : 2d6d4a6499829900 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.496719][ T5215] x5 : ffff8000218a7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 57.497897][ T5215] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.499124][ T5215] Call trace: [ 57.499651][ T5215] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 57.500425][ T5215] btrfs_start_pre_rw_mount+0x240/0x568 [ 57.501257][ T5215] btrfs_remount+0xa98/0x12b8 [ 57.501970][ T5215] legacy_reconfigure+0xf8/0x110 [ 57.502708][ T5215] reconfigure_super+0x1d4/0x6f4 [ 57.503418][ T5215] path_mount+0xc80/0x1000 [ 57.504114][ T5215] __arm64_sys_mount+0x514/0x5e4 [ 57.504905][ T5215] invoke_syscall+0x98/0x2b8 [ 57.505660][ T5215] el0_svc_common+0x138/0x258 [ 57.506352][ T5215] do_el0_svc+0x58/0x14c [ 57.506999][ T5215] el0_svc+0x78/0x1e0 [ 57.507571][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 57.508338][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 57.509017][ T5215] irq event stamp: 80266 [ 57.509671][ T5215] hardirqs last enabled at (80265): [] __up_console_sem+0xb4/0x100 [ 57.511123][ T5215] hardirqs last disabled at (80266): [] el1_dbg+0x24/0x80 [ 57.512461][ T5215] softirqs last enabled at (80246): [] handle_softirqs+0xa4c/0xbf0 [ 57.513952][ T5215] softirqs last disabled at (80143): [] __irq_exit_rcu+0x240/0x440 [ 57.515385][ T5215] ---[ end trace 91fc900addfc09c4 ]--- [ 57.516697][ T5215] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 57.518439][ T5215] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 57.548634][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 57.688776][ T5237] loop0: detected capacity change from 0 to 32768 [ 57.798467][ T5237] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5237) [ 57.813039][ T5237] FAULT_INJECTION: forcing a failure. [ 57.813039][ T5237] name failslab, interval 1, probability 0, space 0, times 0 [ 57.815088][ T5237] CPU: 1 PID: 5237 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.816364][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.817836][ T5237] Call trace: [ 57.818326][ T5237] dump_backtrace+0x0/0x43c [ 57.818998][ T5237] show_stack+0x2c/0x3c [ 57.819584][ T5237] __dump_stack+0x30/0x40 [ 57.820203][ T5237] dump_stack_lvl+0xf8/0x160 [ 57.820887][ T5237] dump_stack+0x1c/0x5c [ 57.821480][ T5237] should_fail+0x3c0/0x51c [ 57.822115][ T5237] __should_failslab+0xbc/0x10c [ 57.822795][ T5237] should_failslab+0x10/0x28 [ 57.823536][ T5237] slab_pre_alloc_hook+0x64/0xec [ 57.824289][ T5237] kmem_cache_alloc_trace+0x98/0x3fc [ 57.825112][ T5237] join_transaction+0x10c/0xa64 [ 57.825861][ T5237] start_transaction+0x910/0x13f0 [ 57.826611][ T5237] btrfs_start_transaction+0x34/0x44 [ 57.827418][ T5237] btrfs_clear_free_space_tree+0xc4/0x9cc [ 57.828298][ T5237] btrfs_start_pre_rw_mount+0x240/0x568 [ 57.829132][ T5237] btrfs_remount+0xa98/0x12b8 [ 57.829834][ T5237] legacy_reconfigure+0xf8/0x110 [ 57.830584][ T5237] reconfigure_super+0x1d4/0x6f4 [ 57.831349][ T5237] path_mount+0xc80/0x1000 [ 57.831958][ T5237] __arm64_sys_mount+0x514/0x5e4 [ 57.832654][ T5237] invoke_syscall+0x98/0x2b8 [ 57.833296][ T5237] el0_svc_common+0x138/0x258 [ 57.834032][ T5237] do_el0_svc+0x58/0x14c [ 57.834642][ T5237] el0_svc+0x78/0x1e0 [ 57.835270][ T5237] el0t_64_sync_handler+0xcc/0xe4 [ 57.836044][ T5237] el0t_64_sync+0x1a0/0x1a4 [ 57.836938][ T5237] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 57.969077][ T5258] loop0: detected capacity change from 0 to 32768 [ 58.058935][ T5258] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5258) [ 58.075833][ T5258] FAULT_INJECTION: forcing a failure. [ 58.075833][ T5258] name failslab, interval 1, probability 0, space 0, times 0 [ 58.077942][ T5258] CPU: 0 PID: 5258 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.079346][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.080974][ T5258] Call trace: [ 58.081454][ T5258] dump_backtrace+0x0/0x43c [ 58.082140][ T5258] show_stack+0x2c/0x3c [ 58.082797][ T5258] __dump_stack+0x30/0x40 [ 58.083509][ T5258] dump_stack_lvl+0xf8/0x160 [ 58.084198][ T5258] dump_stack+0x1c/0x5c [ 58.084849][ T5258] should_fail+0x3c0/0x51c [ 58.085592][ T5258] __should_failslab+0xbc/0x10c [ 58.086345][ T5258] should_failslab+0x10/0x28 [ 58.087048][ T5258] slab_pre_alloc_hook+0x64/0xec [ 58.087853][ T5258] kmem_cache_alloc_trace+0x98/0x3fc [ 58.088662][ T5258] join_transaction+0x10c/0xa64 [ 58.089424][ T5258] start_transaction+0x910/0x13f0 [ 58.090234][ T5258] btrfs_start_transaction+0x34/0x44 [ 58.091061][ T5258] btrfs_clear_free_space_tree+0xc4/0x9cc [ 58.092040][ T5258] btrfs_start_pre_rw_mount+0x240/0x568 [ 58.092958][ T5258] btrfs_remount+0xa98/0x12b8 [ 58.093738][ T5258] legacy_reconfigure+0xf8/0x110 [ 58.094598][ T5258] reconfigure_super+0x1d4/0x6f4 [ 58.095437][ T5258] path_mount+0xc80/0x1000 [ 58.096200][ T5258] __arm64_sys_mount+0x514/0x5e4 [ 58.097015][ T5258] invoke_syscall+0x98/0x2b8 [ 58.097734][ T5258] el0_svc_common+0x138/0x258 [ 58.098470][ T5258] do_el0_svc+0x58/0x14c [ 58.099094][ T5258] el0_svc+0x78/0x1e0 [ 58.099756][ T5258] el0t_64_sync_handler+0xcc/0xe4 [ 58.100494][ T5258] el0t_64_sync+0x1a0/0x1a4 [ 58.102831][ T5258] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 58.238736][ T5279] loop0: detected capacity change from 0 to 32768 [ 58.242546][ T5279] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5279) [ 58.267485][ T5279] FAULT_INJECTION: forcing a failure. [ 58.267485][ T5279] name failslab, interval 1, probability 0, space 0, times 0 [ 58.269597][ T5279] CPU: 0 PID: 5279 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.271085][ T5279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.272556][ T5279] Call trace: [ 58.273048][ T5279] dump_backtrace+0x0/0x43c [ 58.273749][ T5279] show_stack+0x2c/0x3c [ 58.274335][ T5279] __dump_stack+0x30/0x40 [ 58.274971][ T5279] dump_stack_lvl+0xf8/0x160 [ 58.275682][ T5279] dump_stack+0x1c/0x5c [ 58.276310][ T5279] should_fail+0x3c0/0x51c [ 58.277028][ T5279] __should_failslab+0xbc/0x10c [ 58.277774][ T5279] should_failslab+0x10/0x28 [ 58.278487][ T5279] slab_pre_alloc_hook+0x64/0xec [ 58.279212][ T5279] kmem_cache_alloc+0x94/0x3e4 [ 58.279979][ T5279] start_transaction+0x4d0/0x13f0 [ 58.280772][ T5279] btrfs_start_transaction+0x34/0x44 [ 58.281562][ T5279] btrfs_clear_free_space_tree+0xc4/0x9cc [ 58.282457][ T5279] btrfs_start_pre_rw_mount+0x240/0x568 [ 58.283337][ T5279] btrfs_remount+0xa98/0x12b8 [ 58.284096][ T5279] legacy_reconfigure+0xf8/0x110 [ 58.284937][ T5279] reconfigure_super+0x1d4/0x6f4 [ 58.285767][ T5279] path_mount+0xc80/0x1000 [ 58.286469][ T5279] __arm64_sys_mount+0x514/0x5e4 [ 58.287232][ T5279] invoke_syscall+0x98/0x2b8 [ 58.287979][ T5279] el0_svc_common+0x138/0x258 [ 58.288707][ T5279] do_el0_svc+0x58/0x14c [ 58.289397][ T5279] el0_svc+0x78/0x1e0 [ 58.290046][ T5279] el0t_64_sync_handler+0xcc/0xe4 [ 58.290838][ T5279] el0t_64_sync+0x1a0/0x1a4 [ 58.293510][ T5279] BTRFS warning (device loop0): failed to clear free space tree: -12 1970/01/01 00:00:58 executed programs: 31 [ 58.429336][ T5300] loop0: detected capacity change from 0 to 32768 [ 58.438022][ T5300] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5300) [ 58.461488][ T5300] FAULT_INJECTION: forcing a failure. [ 58.461488][ T5300] name failslab, interval 1, probability 0, space 0, times 0 [ 58.464162][ T5300] CPU: 1 PID: 5300 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.465551][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.467170][ T5300] Call trace: [ 58.467676][ T5300] dump_backtrace+0x0/0x43c [ 58.468472][ T5300] show_stack+0x2c/0x3c [ 58.469185][ T5300] __dump_stack+0x30/0x40 [ 58.469921][ T5300] dump_stack_lvl+0xf8/0x160 [ 58.470677][ T5300] dump_stack+0x1c/0x5c [ 58.471421][ T5300] should_fail+0x3c0/0x51c [ 58.472121][ T5300] __should_failslab+0xbc/0x10c [ 58.472824][ T5300] should_failslab+0x10/0x28 [ 58.473469][ T5300] slab_pre_alloc_hook+0x64/0xec [ 58.474278][ T5300] kmem_cache_alloc_trace+0x98/0x3fc [ 58.475094][ T5300] join_transaction+0x10c/0xa64 [ 58.475786][ T5300] start_transaction+0x910/0x13f0 [ 58.476481][ T5300] btrfs_start_transaction+0x34/0x44 [ 58.477217][ T5300] btrfs_clear_free_space_tree+0xc4/0x9cc [ 58.478001][ T5300] btrfs_start_pre_rw_mount+0x240/0x568 [ 58.478941][ T5300] btrfs_remount+0xa98/0x12b8 [ 58.479701][ T5300] legacy_reconfigure+0xf8/0x110 [ 58.480501][ T5300] reconfigure_super+0x1d4/0x6f4 [ 58.481257][ T5300] path_mount+0xc80/0x1000 [ 58.482007][ T5300] __arm64_sys_mount+0x514/0x5e4 [ 58.482731][ T5300] invoke_syscall+0x98/0x2b8 [ 58.483439][ T5300] el0_svc_common+0x138/0x258 [ 58.484183][ T5300] do_el0_svc+0x58/0x14c [ 58.484799][ T5300] el0_svc+0x78/0x1e0 [ 58.485438][ T5300] el0t_64_sync_handler+0xcc/0xe4 [ 58.486189][ T5300] el0t_64_sync+0x1a0/0x1a4 [ 58.488369][ T5300] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 58.522887][ T4273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4273) [ 58.630947][ T5322] loop0: detected capacity change from 0 to 32768 [ 58.651937][ T5322] FAULT_INJECTION: forcing a failure. [ 58.651937][ T5322] name failslab, interval 1, probability 0, space 0, times 0 [ 58.660104][ T5322] CPU: 0 PID: 5322 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.661559][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.663137][ T5322] Call trace: [ 58.663627][ T5322] dump_backtrace+0x0/0x43c [ 58.664411][ T5322] show_stack+0x2c/0x3c [ 58.665066][ T5322] __dump_stack+0x30/0x40 [ 58.665803][ T5322] dump_stack_lvl+0xf8/0x160 [ 58.666480][ T5322] dump_stack+0x1c/0x5c [ 58.667132][ T5322] should_fail+0x3c0/0x51c [ 58.667897][ T5322] __should_failslab+0xbc/0x10c [ 58.668698][ T5322] should_failslab+0x10/0x28 [ 58.669493][ T5322] slab_pre_alloc_hook+0x64/0xec [ 58.670339][ T5322] kmem_cache_alloc+0x94/0x3e4 [ 58.671167][ T5322] btrfs_alloc_path+0x5c/0x68 [ 58.671985][ T5322] btrfs_clear_free_space_tree+0x244/0x9cc [ 58.672946][ T5322] btrfs_start_pre_rw_mount+0x240/0x568 [ 58.673789][ T5322] btrfs_remount+0xa98/0x12b8 [ 58.674513][ T5322] legacy_reconfigure+0xf8/0x110 [ 58.675191][ T5322] reconfigure_super+0x1d4/0x6f4 [ 58.675934][ T5322] path_mount+0xc80/0x1000 [ 58.676621][ T5322] __arm64_sys_mount+0x514/0x5e4 [ 58.677314][ T5322] invoke_syscall+0x98/0x2b8 [ 58.678006][ T5322] el0_svc_common+0x138/0x258 [ 58.678654][ T5322] do_el0_svc+0x58/0x14c [ 58.679360][ T5322] el0_svc+0x78/0x1e0 [ 58.679991][ T5322] el0t_64_sync_handler+0xcc/0xe4 [ 58.680807][ T5322] el0t_64_sync+0x1a0/0x1a4 [ 58.683043][ T5322] ------------[ cut here ]------------ [ 58.684150][ T5322] WARNING: CPU: 0 PID: 5322 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 58.685843][ T5322] Modules linked in: [ 58.686421][ T5322] CPU: 0 PID: 5322 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.687859][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.689573][ T5322] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.690899][ T5322] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 58.691883][ T5322] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 58.692958][ T5322] sp : ffff800021de77a0 [ 58.693611][ T5322] x29: ffff800021de7850 x28: 1fffe0001afb600b x27: 0000000000000002 [ 58.694892][ T5322] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 58.696200][ T5322] x23: 1fffe0001bdbb181 x22: ffff0000d7db19d0 x21: ffff0000dedd8c08 [ 58.697468][ T5322] x20: 00000000fffffff4 x19: ffff0000dedd8bb0 x18: 0000000000000001 [ 58.698844][ T5322] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 58.700170][ T5322] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.701416][ T5322] x11: 0000000000000000 x10: 0000000000000000 x9 : 5e9a5eea466c2300 [ 58.702654][ T5322] x8 : 5e9a5eea466c2300 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.703985][ T5322] x5 : ffff800021de7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 58.705286][ T5322] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.706576][ T5322] Call trace: [ 58.707121][ T5322] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 58.708097][ T5322] btrfs_start_pre_rw_mount+0x240/0x568 [ 58.708974][ T5322] btrfs_remount+0xa98/0x12b8 [ 58.709742][ T5322] legacy_reconfigure+0xf8/0x110 [ 58.710567][ T5322] reconfigure_super+0x1d4/0x6f4 [ 58.711348][ T5322] path_mount+0xc80/0x1000 [ 58.712014][ T5322] __arm64_sys_mount+0x514/0x5e4 [ 58.712840][ T5322] invoke_syscall+0x98/0x2b8 [ 58.713817][ T5322] el0_svc_common+0x138/0x258 [ 58.714658][ T5322] do_el0_svc+0x58/0x14c [ 58.715391][ T5322] el0_svc+0x78/0x1e0 [ 58.716046][ T5322] el0t_64_sync_handler+0xcc/0xe4 [ 58.716848][ T5322] el0t_64_sync+0x1a0/0x1a4 [ 58.717616][ T5322] irq event stamp: 80074 [ 58.718293][ T5322] hardirqs last enabled at (80073): [] __up_console_sem+0xb4/0x100 [ 58.719873][ T5322] hardirqs last disabled at (80074): [] el1_dbg+0x24/0x80 [ 58.721341][ T5322] softirqs last enabled at (80064): [] handle_softirqs+0xa4c/0xbf0 [ 58.722965][ T5322] softirqs last disabled at (79999): [] __irq_exit_rcu+0x240/0x440 [ 58.724533][ T5322] ---[ end trace 91fc900addfc09c5 ]--- [ 58.725599][ T5322] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 58.727480][ T5322] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 58.756328][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 58.866115][ T5344] loop0: detected capacity change from 0 to 32768 [ 58.868955][ T5344] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5344) [ 58.909641][ T5344] FAULT_INJECTION: forcing a failure. [ 58.909641][ T5344] name failslab, interval 1, probability 0, space 0, times 0 [ 58.911769][ T5344] CPU: 1 PID: 5344 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.913305][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.914880][ T5344] Call trace: [ 58.915323][ T5344] dump_backtrace+0x0/0x43c [ 58.915926][ T5344] show_stack+0x2c/0x3c [ 58.916473][ T5344] __dump_stack+0x30/0x40 [ 58.917169][ T5344] dump_stack_lvl+0xf8/0x160 [ 58.917882][ T5344] dump_stack+0x1c/0x5c [ 58.918558][ T5344] should_fail+0x3c0/0x51c [ 58.919289][ T5344] __should_failslab+0xbc/0x10c [ 58.920084][ T5344] should_failslab+0x10/0x28 [ 58.920817][ T5344] slab_pre_alloc_hook+0x64/0xec [ 58.921642][ T5344] kmem_cache_alloc_trace+0x98/0x3fc [ 58.922377][ T5344] join_transaction+0x10c/0xa64 [ 58.923041][ T5344] start_transaction+0x910/0x13f0 [ 58.923791][ T5344] btrfs_start_transaction+0x34/0x44 [ 58.924571][ T5344] btrfs_clear_free_space_tree+0xc4/0x9cc [ 58.925484][ T5344] btrfs_start_pre_rw_mount+0x240/0x568 [ 58.926326][ T5344] btrfs_remount+0xa98/0x12b8 [ 58.927000][ T5344] legacy_reconfigure+0xf8/0x110 [ 58.927716][ T5344] reconfigure_super+0x1d4/0x6f4 [ 58.928423][ T5344] path_mount+0xc80/0x1000 [ 58.929031][ T5344] __arm64_sys_mount+0x514/0x5e4 [ 58.929816][ T5344] invoke_syscall+0x98/0x2b8 [ 58.930488][ T5344] el0_svc_common+0x138/0x258 [ 58.931255][ T5344] do_el0_svc+0x58/0x14c [ 58.931915][ T5344] el0_svc+0x78/0x1e0 [ 58.932535][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 58.933258][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 58.935611][ T5344] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 59.082022][ T5365] loop0: detected capacity change from 0 to 32768 [ 59.087384][ T5365] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5365) [ 59.105159][ T5365] FAULT_INJECTION: forcing a failure. [ 59.105159][ T5365] name failslab, interval 1, probability 0, space 0, times 0 [ 59.107138][ T5365] CPU: 0 PID: 5365 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.108624][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.110163][ T5365] Call trace: [ 59.110691][ T5365] dump_backtrace+0x0/0x43c [ 59.111407][ T5365] show_stack+0x2c/0x3c [ 59.112069][ T5365] __dump_stack+0x30/0x40 [ 59.112712][ T5365] dump_stack_lvl+0xf8/0x160 [ 59.113411][ T5365] dump_stack+0x1c/0x5c [ 59.114073][ T5365] should_fail+0x3c0/0x51c [ 59.114780][ T5365] __should_failslab+0xbc/0x10c [ 59.115504][ T5365] should_failslab+0x10/0x28 [ 59.116182][ T5365] slab_pre_alloc_hook+0x64/0xec [ 59.116974][ T5365] kmem_cache_alloc_trace+0x98/0x3fc [ 59.117889][ T5365] join_transaction+0x10c/0xa64 [ 59.118641][ T5365] start_transaction+0x910/0x13f0 [ 59.119381][ T5365] btrfs_start_transaction+0x34/0x44 [ 59.120228][ T5365] btrfs_clear_free_space_tree+0xc4/0x9cc [ 59.121118][ T5365] btrfs_start_pre_rw_mount+0x240/0x568 [ 59.121960][ T5365] btrfs_remount+0xa98/0x12b8 [ 59.122744][ T5365] legacy_reconfigure+0xf8/0x110 [ 59.123464][ T5365] reconfigure_super+0x1d4/0x6f4 [ 59.124221][ T5365] path_mount+0xc80/0x1000 [ 59.124858][ T5365] __arm64_sys_mount+0x514/0x5e4 [ 59.125574][ T5365] invoke_syscall+0x98/0x2b8 [ 59.126357][ T5365] el0_svc_common+0x138/0x258 [ 59.127142][ T5365] do_el0_svc+0x58/0x14c [ 59.127788][ T5365] el0_svc+0x78/0x1e0 [ 59.128462][ T5365] el0t_64_sync_handler+0xcc/0xe4 [ 59.129401][ T5365] el0t_64_sync+0x1a0/0x1a4 [ 59.130522][ T5365] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 59.270522][ T5386] loop0: detected capacity change from 0 to 32768 [ 59.344595][ T5386] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5386) [ 59.369758][ T5386] FAULT_INJECTION: forcing a failure. [ 59.369758][ T5386] name failslab, interval 1, probability 0, space 0, times 0 [ 59.371892][ T5386] CPU: 1 PID: 5386 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.373314][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.375163][ T5386] Call trace: [ 59.375687][ T5386] dump_backtrace+0x0/0x43c [ 59.376380][ T5386] show_stack+0x2c/0x3c [ 59.376984][ T5386] __dump_stack+0x30/0x40 [ 59.377644][ T5386] dump_stack_lvl+0xf8/0x160 [ 59.378377][ T5386] dump_stack+0x1c/0x5c [ 59.379037][ T5386] should_fail+0x3c0/0x51c [ 59.379744][ T5386] __should_failslab+0xbc/0x10c [ 59.380478][ T5386] should_failslab+0x10/0x28 [ 59.381093][ T5386] slab_pre_alloc_hook+0x64/0xec [ 59.381890][ T5386] kmem_cache_alloc_trace+0x98/0x3fc [ 59.382742][ T5386] join_transaction+0x10c/0xa64 [ 59.383529][ T5386] start_transaction+0x910/0x13f0 [ 59.384331][ T5386] btrfs_start_transaction+0x34/0x44 [ 59.385167][ T5386] btrfs_clear_free_space_tree+0xc4/0x9cc [ 59.386044][ T5386] btrfs_start_pre_rw_mount+0x240/0x568 [ 59.386887][ T5386] btrfs_remount+0xa98/0x12b8 [ 59.387598][ T5386] legacy_reconfigure+0xf8/0x110 [ 59.388393][ T5386] reconfigure_super+0x1d4/0x6f4 [ 59.389215][ T5386] path_mount+0xc80/0x1000 [ 59.389949][ T5386] __arm64_sys_mount+0x514/0x5e4 [ 59.390736][ T5386] invoke_syscall+0x98/0x2b8 [ 59.391456][ T5386] el0_svc_common+0x138/0x258 [ 59.392193][ T5386] do_el0_svc+0x58/0x14c [ 59.392850][ T5386] el0_svc+0x78/0x1e0 [ 59.393473][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 59.394287][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 59.397222][ T5386] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 59.547001][ T5408] loop0: detected capacity change from 0 to 32768 [ 59.551490][ T5408] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5408) [ 59.581197][ T5408] FAULT_INJECTION: forcing a failure. [ 59.581197][ T5408] name failslab, interval 1, probability 0, space 0, times 0 [ 59.584055][ T5408] CPU: 0 PID: 5408 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.585508][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.587096][ T5408] Call trace: [ 59.587605][ T5408] dump_backtrace+0x0/0x43c [ 59.588349][ T5408] show_stack+0x2c/0x3c [ 59.589017][ T5408] __dump_stack+0x30/0x40 [ 59.589671][ T5408] dump_stack_lvl+0xf8/0x160 [ 59.590363][ T5408] dump_stack+0x1c/0x5c [ 59.590989][ T5408] should_fail+0x3c0/0x51c [ 59.591650][ T5408] __should_failslab+0xbc/0x10c [ 59.592344][ T5408] should_failslab+0x10/0x28 [ 59.593018][ T5408] slab_pre_alloc_hook+0x64/0xec [ 59.593754][ T5408] kmem_cache_alloc+0x94/0x3e4 [ 59.594518][ T5408] btrfs_alloc_path+0x5c/0x68 [ 59.595286][ T5408] btrfs_clear_free_space_tree+0x244/0x9cc [ 59.596296][ T5408] btrfs_start_pre_rw_mount+0x240/0x568 [ 59.597181][ T5408] btrfs_remount+0xa98/0x12b8 [ 59.597994][ T5408] legacy_reconfigure+0xf8/0x110 [ 59.598850][ T5408] reconfigure_super+0x1d4/0x6f4 [ 59.599686][ T5408] path_mount+0xc80/0x1000 [ 59.600307][ T5408] __arm64_sys_mount+0x514/0x5e4 [ 59.601056][ T5408] invoke_syscall+0x98/0x2b8 [ 59.601761][ T5408] el0_svc_common+0x138/0x258 [ 59.602490][ T5408] do_el0_svc+0x58/0x14c [ 59.603158][ T5408] el0_svc+0x78/0x1e0 [ 59.603865][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 59.604705][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 59.606283][ T5408] ------------[ cut here ]------------ [ 59.607242][ T5408] WARNING: CPU: 0 PID: 5408 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.608836][ T5408] Modules linked in: [ 59.609512][ T5408] CPU: 0 PID: 5408 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.610882][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.612342][ T5408] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.613515][ T5408] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.614381][ T5408] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.615245][ T5408] sp : ffff8000221a77a0 [ 59.615861][ T5408] x29: ffff8000221a7850 x28: 1fffe0001af3b00b x27: 0000000000000002 [ 59.617169][ T5408] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 59.618415][ T5408] x23: 1fffe0001bda693f x22: ffff0000d79d99d0 x21: ffff0000ded349f8 [ 59.619708][ T5408] x20: 00000000fffffff4 x19: ffff0000ded349a0 x18: 0000000000000001 [ 59.620995][ T5408] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 59.622337][ T5408] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.623696][ T5408] x11: 0000000000000000 x10: 0000000000000000 x9 : 69fe1653d3eec100 [ 59.625031][ T5408] x8 : 69fe1653d3eec100 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.626305][ T5408] x5 : ffff8000221a7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 59.627625][ T5408] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.628878][ T5408] Call trace: [ 59.629358][ T5408] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.630208][ T5408] btrfs_start_pre_rw_mount+0x240/0x568 [ 59.631052][ T5408] btrfs_remount+0xa98/0x12b8 [ 59.631735][ T5408] legacy_reconfigure+0xf8/0x110 [ 59.632466][ T5408] reconfigure_super+0x1d4/0x6f4 [ 59.633235][ T5408] path_mount+0xc80/0x1000 [ 59.633884][ T5408] __arm64_sys_mount+0x514/0x5e4 [ 59.634616][ T5408] invoke_syscall+0x98/0x2b8 [ 59.635318][ T5408] el0_svc_common+0x138/0x258 [ 59.636012][ T5408] do_el0_svc+0x58/0x14c [ 59.636598][ T5408] el0_svc+0x78/0x1e0 [ 59.637197][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 59.637972][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 59.638608][ T5408] irq event stamp: 81744 [ 59.639206][ T5408] hardirqs last enabled at (81743): [] __up_console_sem+0xb4/0x100 [ 59.640558][ T5408] hardirqs last disabled at (81744): [] el1_dbg+0x24/0x80 [ 59.641766][ T5408] softirqs last enabled at (81724): [] handle_softirqs+0xa4c/0xbf0 [ 59.643143][ T5408] softirqs last disabled at (81659): [] __irq_exit_rcu+0x240/0x440 [ 59.644714][ T5408] ---[ end trace 91fc900addfc09c6 ]--- [ 59.646742][ T5408] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 59.648466][ T5408] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 59.686325][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 59.837777][ T5430] loop0: detected capacity change from 0 to 32768 [ 59.909225][ T5430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5430) [ 59.914402][ T5430] btrfs_printk: 142 callbacks suppressed [ 59.914410][ T5430] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 59.916660][ T5430] BTRFS info (device loop0): turning on flush-on-commit [ 59.917763][ T5430] BTRFS info (device loop0): using default commit interval 30s [ 59.919016][ T5430] BTRFS info (device loop0): force clearing of disk cache [ 59.920032][ T5430] BTRFS info (device loop0): force zlib compression, level 3 [ 59.921158][ T5430] BTRFS info (device loop0): enabling disk space caching [ 59.922160][ T5430] BTRFS info (device loop0): disk space caching is enabled [ 59.923939][ T5430] BTRFS info (device loop0): has skinny extents [ 59.932079][ T5430] BTRFS info (device loop0): enabling ssd optimizations [ 59.935685][ T5430] BTRFS info (device loop0): using default commit interval 30s [ 59.936998][ T5430] BTRFS info (device loop0): force clearing of disk cache [ 59.938331][ T5430] BTRFS info (device loop0): clearing free space tree [ 59.939542][ T5430] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.941237][ T5430] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.942955][ T5430] FAULT_INJECTION: forcing a failure. [ 59.942955][ T5430] name failslab, interval 1, probability 0, space 0, times 0 [ 59.946488][ T5430] CPU: 0 PID: 5430 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.947876][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.949366][ T5430] Call trace: [ 59.949854][ T5430] dump_backtrace+0x0/0x43c [ 59.950528][ T5430] show_stack+0x2c/0x3c [ 59.951145][ T5430] __dump_stack+0x30/0x40 [ 59.951737][ T5430] dump_stack_lvl+0xf8/0x160 [ 59.952422][ T5430] dump_stack+0x1c/0x5c [ 59.953038][ T5430] should_fail+0x3c0/0x51c [ 59.953694][ T5430] __should_failslab+0xbc/0x10c [ 59.954491][ T5430] should_failslab+0x10/0x28 [ 59.955315][ T5430] slab_pre_alloc_hook+0x64/0xec [ 59.956155][ T5430] kmem_cache_alloc+0x94/0x3e4 [ 59.956897][ T5430] btrfs_alloc_path+0x5c/0x68 [ 59.957630][ T5430] btrfs_clear_free_space_tree+0x244/0x9cc [ 59.958592][ T5430] btrfs_start_pre_rw_mount+0x240/0x568 [ 59.959505][ T5430] btrfs_remount+0xa98/0x12b8 [ 59.960216][ T5430] legacy_reconfigure+0xf8/0x110 [ 59.960998][ T5430] reconfigure_super+0x1d4/0x6f4 [ 59.961814][ T5430] path_mount+0xc80/0x1000 [ 59.962568][ T5430] __arm64_sys_mount+0x514/0x5e4 [ 59.963374][ T5430] invoke_syscall+0x98/0x2b8 [ 59.964114][ T5430] el0_svc_common+0x138/0x258 [ 59.964865][ T5430] do_el0_svc+0x58/0x14c [ 59.965513][ T5430] el0_svc+0x78/0x1e0 [ 59.966112][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 59.966935][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 59.969810][ T5430] ------------[ cut here ]------------ [ 59.970803][ T5430] WARNING: CPU: 0 PID: 5430 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.972508][ T5430] Modules linked in: [ 59.973072][ T5430] CPU: 0 PID: 5430 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.974524][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.976207][ T5430] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.977435][ T5430] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.978418][ T5430] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.979369][ T5430] sp : ffff8000221a77a0 [ 59.980030][ T5430] x29: ffff8000221a7850 x28: 1fffe0001b0af80b x27: 0000000000000002 [ 59.981376][ T5430] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 59.982741][ T5430] x23: 1fffe0001bda6863 x22: ffff0000d857d9d0 x21: ffff0000ded34318 [ 59.984084][ T5430] x20: 00000000fffffff4 x19: ffff0000ded342c0 x18: 0000000000000001 [ 59.985459][ T5430] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 59.986715][ T5430] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.988017][ T5430] x11: 0000000000000000 x10: 0000000000000000 x9 : 3122fd223578a400 [ 59.989314][ T5430] x8 : 3122fd223578a400 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.990641][ T5430] x5 : ffff8000221a7098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 59.991904][ T5430] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.993192][ T5430] Call trace: [ 59.993724][ T5430] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 59.994642][ T5430] btrfs_start_pre_rw_mount+0x240/0x568 [ 59.995515][ T5430] btrfs_remount+0xa98/0x12b8 [ 59.996306][ T5430] legacy_reconfigure+0xf8/0x110 [ 59.997060][ T5430] reconfigure_super+0x1d4/0x6f4 [ 59.997784][ T5430] path_mount+0xc80/0x1000 [ 59.998526][ T5430] __arm64_sys_mount+0x514/0x5e4 [ 59.999340][ T5430] invoke_syscall+0x98/0x2b8 [ 59.999962][ T5430] el0_svc_common+0x138/0x258 [ 60.000699][ T5430] do_el0_svc+0x58/0x14c [ 60.001398][ T5430] el0_svc+0x78/0x1e0 [ 60.001969][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 60.002726][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 60.003426][ T5430] irq event stamp: 80680 [ 60.004085][ T5430] hardirqs last enabled at (80679): [] __up_console_sem+0xb4/0x100 [ 60.005736][ T5430] hardirqs last disabled at (80680): [] el1_dbg+0x24/0x80 [ 60.007245][ T5430] softirqs last enabled at (80656): [] handle_softirqs+0xa4c/0xbf0 [ 60.008840][ T5430] softirqs last disabled at (80623): [] __irq_exit_rcu+0x240/0x440 [ 60.010400][ T5430] ---[ end trace 91fc900addfc09c7 ]--- [ 60.013423][ T5430] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 60.015095][ T5430] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 60.044999][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 60.196534][ T5452] loop0: detected capacity change from 0 to 32768 [ 60.234968][ T5452] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5452) [ 60.237947][ T5452] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 60.239494][ T5452] BTRFS info (device loop0): turning on flush-on-commit [ 60.240636][ T5452] BTRFS info (device loop0): using default commit interval 30s [ 60.241776][ T5452] BTRFS info (device loop0): force clearing of disk cache [ 60.242928][ T5452] BTRFS info (device loop0): force zlib compression, level 3 [ 60.244237][ T5452] BTRFS info (device loop0): enabling disk space caching [ 60.245308][ T5452] BTRFS info (device loop0): disk space caching is enabled [ 60.246330][ T5452] BTRFS info (device loop0): has skinny extents [ 60.254294][ T5452] BTRFS info (device loop0): enabling ssd optimizations [ 60.257581][ T5452] BTRFS info (device loop0): using default commit interval 30s [ 60.258799][ T5452] BTRFS info (device loop0): force clearing of disk cache [ 60.259974][ T5452] BTRFS info (device loop0): clearing free space tree [ 60.261044][ T5452] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 60.262391][ T5452] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 60.264073][ T5452] FAULT_INJECTION: forcing a failure. [ 60.264073][ T5452] name failslab, interval 1, probability 0, space 0, times 0 [ 60.266050][ T5452] CPU: 1 PID: 5452 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.267519][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.268992][ T5452] Call trace: [ 60.269464][ T5452] dump_backtrace+0x0/0x43c [ 60.270093][ T5452] show_stack+0x2c/0x3c [ 60.270793][ T5452] __dump_stack+0x30/0x40 [ 60.271538][ T5452] dump_stack_lvl+0xf8/0x160 [ 60.272273][ T5452] dump_stack+0x1c/0x5c [ 60.272978][ T5452] should_fail+0x3c0/0x51c [ 60.273713][ T5452] __should_failslab+0xbc/0x10c [ 60.274459][ T5452] should_failslab+0x10/0x28 [ 60.275188][ T5452] slab_pre_alloc_hook+0x64/0xec [ 60.275973][ T5452] kmem_cache_alloc+0x94/0x3e4 [ 60.276668][ T5452] btrfs_alloc_path+0x5c/0x68 [ 60.277389][ T5452] btrfs_clear_free_space_tree+0x244/0x9cc [ 60.278304][ T5452] btrfs_start_pre_rw_mount+0x240/0x568 [ 60.279193][ T5452] btrfs_remount+0xa98/0x12b8 [ 60.279987][ T5452] legacy_reconfigure+0xf8/0x110 [ 60.280799][ T5452] reconfigure_super+0x1d4/0x6f4 [ 60.281619][ T5452] path_mount+0xc80/0x1000 [ 60.282361][ T5452] __arm64_sys_mount+0x514/0x5e4 [ 60.283138][ T5452] invoke_syscall+0x98/0x2b8 [ 60.283859][ T5452] el0_svc_common+0x138/0x258 [ 60.284573][ T5452] do_el0_svc+0x58/0x14c [ 60.285206][ T5452] el0_svc+0x78/0x1e0 [ 60.285784][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 60.286488][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 60.288190][ T5452] ------------[ cut here ]------------ [ 60.289152][ T5452] WARNING: CPU: 1 PID: 5452 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 60.290771][ T5452] Modules linked in: [ 60.291284][ T5452] CPU: 1 PID: 5452 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.292506][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.294010][ T5452] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.295200][ T5452] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 60.296137][ T5452] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 60.297017][ T5452] sp : ffff8000222477a0 [ 60.297604][ T5452] x29: ffff800022247850 x28: 1fffe0001b0af80b x27: 0000000000000002 [ 60.298787][ T5452] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 60.299959][ T5452] x23: 1fffe0001bdbb037 x22: ffff0000d857d9d0 x21: ffff0000dedd81b8 [ 60.301169][ T5452] x20: 00000000fffffff4 x19: ffff0000dedd8160 x18: 0000000000000001 [ 60.302480][ T5452] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 60.303801][ T5452] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.305141][ T5452] x11: 0000000000000000 x10: 0000000000000000 x9 : b94382ce7d309c00 [ 60.306392][ T5452] x8 : b94382ce7d309c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.307595][ T5452] x5 : ffff800022247098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 60.308897][ T5452] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.310101][ T5452] Call trace: [ 60.310609][ T5452] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 60.311530][ T5452] btrfs_start_pre_rw_mount+0x240/0x568 [ 60.312376][ T5452] btrfs_remount+0xa98/0x12b8 [ 60.313143][ T5452] legacy_reconfigure+0xf8/0x110 [ 60.313954][ T5452] reconfigure_super+0x1d4/0x6f4 [ 60.314770][ T5452] path_mount+0xc80/0x1000 [ 60.315485][ T5452] __arm64_sys_mount+0x514/0x5e4 [ 60.316320][ T5452] invoke_syscall+0x98/0x2b8 [ 60.317061][ T5452] el0_svc_common+0x138/0x258 [ 60.317852][ T5452] do_el0_svc+0x58/0x14c [ 60.318551][ T5452] el0_svc+0x78/0x1e0 [ 60.319206][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 60.320034][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 60.320736][ T5452] irq event stamp: 79894 [ 60.321418][ T5452] hardirqs last enabled at (79893): [] __up_console_sem+0xb4/0x100 [ 60.322865][ T5452] hardirqs last disabled at (79894): [] el1_dbg+0x24/0x80 [ 60.324327][ T5452] softirqs last enabled at (79874): [] handle_softirqs+0xa4c/0xbf0 [ 60.325876][ T5452] softirqs last disabled at (79847): [] __irq_exit_rcu+0x240/0x440 [ 60.327330][ T5452] ---[ end trace 91fc900addfc09c8 ]--- [ 60.329031][ T5452] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 60.330704][ T5452] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 60.358214][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 60.480921][ T5474] loop0: detected capacity change from 0 to 32768 [ 60.557419][ T5474] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5474) [ 60.561856][ T5474] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 60.563441][ T5474] BTRFS info (device loop0): turning on flush-on-commit [ 60.564630][ T5474] BTRFS info (device loop0): using default commit interval 30s [ 60.565991][ T5474] BTRFS info (device loop0): force clearing of disk cache [ 60.567205][ T5474] BTRFS info (device loop0): force zlib compression, level 3 [ 60.568383][ T5474] BTRFS info (device loop0): enabling disk space caching [ 60.569319][ T5474] BTRFS info (device loop0): disk space caching is enabled [ 60.570473][ T5474] BTRFS info (device loop0): has skinny extents [ 60.580086][ T5474] BTRFS info (device loop0): enabling ssd optimizations [ 60.584508][ T5474] BTRFS info (device loop0): using default commit interval 30s [ 60.585850][ T5474] BTRFS info (device loop0): force clearing of disk cache [ 60.587144][ T5474] BTRFS info (device loop0): clearing free space tree [ 60.588133][ T5474] FAULT_INJECTION: forcing a failure. [ 60.588133][ T5474] name failslab, interval 1, probability 0, space 0, times 0 [ 60.590160][ T5474] CPU: 0 PID: 5474 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.591650][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.593218][ T5474] Call trace: [ 60.593767][ T5474] dump_backtrace+0x0/0x43c [ 60.594480][ T5474] show_stack+0x2c/0x3c [ 60.595117][ T5474] __dump_stack+0x30/0x40 [ 60.595734][ T5474] dump_stack_lvl+0xf8/0x160 [ 60.596437][ T5474] dump_stack+0x1c/0x5c [ 60.597101][ T5474] should_fail+0x3c0/0x51c [ 60.597828][ T5474] __should_failslab+0xbc/0x10c [ 60.598588][ T5474] should_failslab+0x10/0x28 [ 60.599425][ T5474] slab_pre_alloc_hook+0x64/0xec [ 60.600245][ T5474] kmem_cache_alloc_trace+0x98/0x3fc [ 60.601085][ T5474] join_transaction+0x10c/0xa64 [ 60.601897][ T5474] start_transaction+0x910/0x13f0 [ 60.602685][ T5474] btrfs_start_transaction+0x34/0x44 [ 60.603493][ T5474] btrfs_clear_free_space_tree+0xc4/0x9cc [ 60.604413][ T5474] btrfs_start_pre_rw_mount+0x240/0x568 [ 60.605278][ T5474] btrfs_remount+0xa98/0x12b8 [ 60.606050][ T5474] legacy_reconfigure+0xf8/0x110 [ 60.606826][ T5474] reconfigure_super+0x1d4/0x6f4 [ 60.607630][ T5474] path_mount+0xc80/0x1000 [ 60.608379][ T5474] __arm64_sys_mount+0x514/0x5e4 [ 60.609196][ T5474] invoke_syscall+0x98/0x2b8 [ 60.609938][ T5474] el0_svc_common+0x138/0x258 [ 60.610697][ T5474] do_el0_svc+0x58/0x14c [ 60.611358][ T5474] el0_svc+0x78/0x1e0 [ 60.612015][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 60.612846][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 60.616163][ T5474] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 60.754930][ T5496] loop0: detected capacity change from 0 to 32768 [ 60.762723][ T5496] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5496) [ 60.766715][ T5496] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 60.768225][ T5496] BTRFS info (device loop0): turning on flush-on-commit [ 60.769653][ T5496] BTRFS info (device loop0): using default commit interval 30s [ 60.770957][ T5496] BTRFS info (device loop0): force clearing of disk cache [ 60.771948][ T5496] BTRFS info (device loop0): force zlib compression, level 3 [ 60.773159][ T5496] BTRFS info (device loop0): enabling disk space caching [ 60.774264][ T5496] BTRFS info (device loop0): disk space caching is enabled [ 60.775566][ T5496] BTRFS info (device loop0): has skinny extents [ 60.785818][ T5496] BTRFS info (device loop0): enabling ssd optimizations [ 60.788859][ T5496] BTRFS info (device loop0): using default commit interval 30s [ 60.790140][ T5496] BTRFS info (device loop0): force clearing of disk cache [ 60.791289][ T5496] BTRFS info (device loop0): clearing free space tree [ 60.792436][ T5496] FAULT_INJECTION: forcing a failure. [ 60.792436][ T5496] name failslab, interval 1, probability 0, space 0, times 0 [ 60.794444][ T5496] CPU: 1 PID: 5496 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.795775][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.797388][ T5496] Call trace: [ 60.797852][ T5496] dump_backtrace+0x0/0x43c [ 60.798596][ T5496] show_stack+0x2c/0x3c [ 60.799213][ T5496] __dump_stack+0x30/0x40 [ 60.799928][ T5496] dump_stack_lvl+0xf8/0x160 [ 60.800645][ T5496] dump_stack+0x1c/0x5c [ 60.801217][ T5496] should_fail+0x3c0/0x51c [ 60.801905][ T5496] __should_failslab+0xbc/0x10c [ 60.802716][ T5496] should_failslab+0x10/0x28 [ 60.803396][ T5496] slab_pre_alloc_hook+0x64/0xec [ 60.804173][ T5496] kmem_cache_alloc+0x94/0x3e4 [ 60.804921][ T5496] start_transaction+0x4d0/0x13f0 [ 60.805669][ T5496] btrfs_start_transaction+0x34/0x44 [ 60.806449][ T5496] btrfs_clear_free_space_tree+0xc4/0x9cc [ 60.807242][ T5496] btrfs_start_pre_rw_mount+0x240/0x568 [ 60.808093][ T5496] btrfs_remount+0xa98/0x12b8 [ 60.808788][ T5496] legacy_reconfigure+0xf8/0x110 [ 60.809529][ T5496] reconfigure_super+0x1d4/0x6f4 [ 60.810306][ T5496] path_mount+0xc80/0x1000 [ 60.810961][ T5496] __arm64_sys_mount+0x514/0x5e4 [ 60.811758][ T5496] invoke_syscall+0x98/0x2b8 [ 60.812489][ T5496] el0_svc_common+0x138/0x258 [ 60.813319][ T5496] do_el0_svc+0x58/0x14c [ 60.813995][ T5496] el0_svc+0x78/0x1e0 [ 60.814666][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 60.815457][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 60.816687][ T5496] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 60.959374][ T5518] loop0: detected capacity change from 0 to 32768 [ 61.005128][ T5518] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5518) [ 61.009070][ T5518] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 61.010581][ T5518] BTRFS info (device loop0): turning on flush-on-commit [ 61.011847][ T5518] BTRFS info (device loop0): using default commit interval 30s [ 61.013594][ T5518] BTRFS info (device loop0): force clearing of disk cache [ 61.014477][ T5518] BTRFS info (device loop0): force zlib compression, level 3 [ 61.015727][ T5518] BTRFS info (device loop0): enabling disk space caching [ 61.016929][ T5518] BTRFS info (device loop0): disk space caching is enabled [ 61.018175][ T5518] BTRFS info (device loop0): has skinny extents [ 61.027357][ T5518] BTRFS info (device loop0): enabling ssd optimizations [ 61.030306][ T5518] BTRFS info (device loop0): using default commit interval 30s [ 61.031491][ T5518] BTRFS info (device loop0): force clearing of disk cache [ 61.032769][ T5518] BTRFS info (device loop0): clearing free space tree [ 61.034327][ T5518] FAULT_INJECTION: forcing a failure. [ 61.034327][ T5518] name failslab, interval 1, probability 0, space 0, times 0 [ 61.036417][ T5518] CPU: 0 PID: 5518 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.037819][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.039479][ T5518] Call trace: [ 61.040051][ T5518] dump_backtrace+0x0/0x43c [ 61.040831][ T5518] show_stack+0x2c/0x3c [ 61.041507][ T5518] __dump_stack+0x30/0x40 [ 61.042191][ T5518] dump_stack_lvl+0xf8/0x160 [ 61.042975][ T5518] dump_stack+0x1c/0x5c [ 61.043666][ T5518] should_fail+0x3c0/0x51c [ 61.044323][ T5518] __should_failslab+0xbc/0x10c [ 61.045055][ T5518] should_failslab+0x10/0x28 [ 61.045742][ T5518] slab_pre_alloc_hook+0x64/0xec [ 61.046458][ T5518] kmem_cache_alloc_trace+0x98/0x3fc [ 61.047280][ T5518] join_transaction+0x10c/0xa64 [ 61.048027][ T5518] start_transaction+0x910/0x13f0 [ 61.048816][ T5518] btrfs_start_transaction+0x34/0x44 [ 61.049619][ T5518] btrfs_clear_free_space_tree+0xc4/0x9cc [ 61.050580][ T5518] btrfs_start_pre_rw_mount+0x240/0x568 [ 61.051453][ T5518] btrfs_remount+0xa98/0x12b8 [ 61.052197][ T5518] legacy_reconfigure+0xf8/0x110 [ 61.053023][ T5518] reconfigure_super+0x1d4/0x6f4 [ 61.053816][ T5518] path_mount+0xc80/0x1000 [ 61.054504][ T5518] __arm64_sys_mount+0x514/0x5e4 [ 61.055306][ T5518] invoke_syscall+0x98/0x2b8 [ 61.056030][ T5518] el0_svc_common+0x138/0x258 [ 61.056780][ T5518] do_el0_svc+0x58/0x14c [ 61.057467][ T5518] el0_svc+0x78/0x1e0 [ 61.058113][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 61.058969][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 61.061752][ T5518] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 61.201084][ T5540] loop0: detected capacity change from 0 to 32768 [ 61.299619][ T5540] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5540) [ 61.302577][ T5540] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 61.304084][ T5540] BTRFS info (device loop0): turning on flush-on-commit [ 61.305226][ T5540] BTRFS info (device loop0): using default commit interval 30s [ 61.306317][ T5540] BTRFS info (device loop0): force clearing of disk cache [ 61.307335][ T5540] BTRFS info (device loop0): force zlib compression, level 3 [ 61.308357][ T5540] BTRFS info (device loop0): enabling disk space caching [ 61.309327][ T5540] BTRFS info (device loop0): disk space caching is enabled [ 61.310302][ T5540] BTRFS info (device loop0): has skinny extents [ 61.319794][ T5540] BTRFS info (device loop0): enabling ssd optimizations [ 61.323498][ T5540] BTRFS info (device loop0): using default commit interval 30s [ 61.324726][ T5540] BTRFS info (device loop0): force clearing of disk cache [ 61.325860][ T5540] BTRFS info (device loop0): clearing free space tree [ 61.327055][ T5540] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.328697][ T5540] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.330375][ T5540] FAULT_INJECTION: forcing a failure. [ 61.330375][ T5540] name failslab, interval 1, probability 0, space 0, times 0 [ 61.332335][ T5540] CPU: 1 PID: 5540 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.333682][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.335201][ T5540] Call trace: [ 61.335683][ T5540] dump_backtrace+0x0/0x43c [ 61.336456][ T5540] show_stack+0x2c/0x3c [ 61.337154][ T5540] __dump_stack+0x30/0x40 [ 61.337952][ T5540] dump_stack_lvl+0xf8/0x160 [ 61.338732][ T5540] dump_stack+0x1c/0x5c [ 61.339418][ T5540] should_fail+0x3c0/0x51c [ 61.340110][ T5540] __should_failslab+0xbc/0x10c [ 61.340857][ T5540] should_failslab+0x10/0x28 [ 61.341586][ T5540] slab_pre_alloc_hook+0x64/0xec [ 61.342337][ T5540] kmem_cache_alloc+0x94/0x3e4 [ 61.343125][ T5540] btrfs_alloc_path+0x5c/0x68 [ 61.343919][ T5540] btrfs_clear_free_space_tree+0x244/0x9cc [ 61.344913][ T5540] btrfs_start_pre_rw_mount+0x240/0x568 [ 61.345774][ T5540] btrfs_remount+0xa98/0x12b8 [ 61.346496][ T5540] legacy_reconfigure+0xf8/0x110 [ 61.347226][ T5540] reconfigure_super+0x1d4/0x6f4 [ 61.348030][ T5540] path_mount+0xc80/0x1000 [ 61.348787][ T5540] __arm64_sys_mount+0x514/0x5e4 [ 61.349561][ T5540] invoke_syscall+0x98/0x2b8 [ 61.350278][ T5540] el0_svc_common+0x138/0x258 [ 61.350971][ T5540] do_el0_svc+0x58/0x14c [ 61.351700][ T5540] el0_svc+0x78/0x1e0 [ 61.352359][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 61.353104][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 61.356048][ T5540] ------------[ cut here ]------------ [ 61.356972][ T5540] WARNING: CPU: 1 PID: 5540 at fs/btrfs/free-space-tree.c:1267 btrfs_clear_free_space_tree+0x6c0/0x9cc [ 61.358696][ T5540] Modules linked in: [ 61.359367][ T5540] CPU: 1 PID: 5540 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.360849][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.362396][ T5540] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.363548][ T5540] pc : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 61.364445][ T5540] lr : btrfs_clear_free_space_tree+0x6c0/0x9cc [ 61.365366][ T5540] sp : ffff800022f477a0 [ 61.366029][ T5540] x29: ffff800022f47850 x28: 1fffe0001b43700b x27: 0000000000000002 [ 61.367287][ T5540] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000006 [ 61.368490][ T5540] x23: 1fffe0001bdbb113 x22: ffff0000da1b99d0 x21: ffff0000dedd8898 [ 61.369701][ T5540] x20: 00000000fffffff4 x19: ffff0000dedd8840 x18: 0000000000000001 [ 61.370960][ T5540] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 61.372243][ T5540] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 61.373509][ T5540] x11: 0000000000000000 x10: 0000000000000000 x9 : d185698267256b00 [ 61.374756][ T5540] x8 : d185698267256b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.376078][ T5540] x5 : ffff800022f47098 x4 : ffff80001425f420 x3 : ffff80000850471c [ 61.377402][ T5540] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.378756][ T5540] Call trace: [ 61.379297][ T5540] btrfs_clear_free_space_tree+0x6c0/0x9cc [ 61.380182][ T5540] btrfs_start_pre_rw_mount+0x240/0x568 [ 61.381047][ T5540] btrfs_remount+0xa98/0x12b8 [ 61.381804][ T5540] legacy_reconfigure+0xf8/0x110 [ 61.382554][ T5540] reconfigure_super+0x1d4/0x6f4 [ 61.383328][ T5540] path_mount+0xc80/0x1000 [ 61.384050][ T5540] __arm64_sys_mount+0x514/0x5e4 [ 61.384814][ T5540] invoke_syscall+0x98/0x2b8 [ 61.385551][ T5540] el0_svc_common+0x138/0x258 [ 61.386280][ T5540] do_el0_svc+0x58/0x14c [ 61.386943][ T5540] el0_svc+0x78/0x1e0 [ 61.387505][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 61.388259][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 61.388880][ T5540] irq event stamp: 81462 [ 61.389465][ T5540] hardirqs last enabled at (81461): [] __up_console_sem+0xb4/0x100 [ 61.390792][ T5540] hardirqs last disabled at (81462): [] el1_dbg+0x24/0x80 [ 61.392116][ T5540] softirqs last enabled at (81442): [] handle_softirqs+0xa4c/0xbf0 [ 61.393606][ T5540] softirqs last disabled at (81285): [] __irq_exit_rcu+0x240/0x440 [ 61.395019][ T5540] ---[ end trace 91fc900addfc09c9 ]--- [ 61.398173][ T5540] BTRFS: error (device loop0) in btrfs_clear_free_space_tree:1267: errno=-12 Out of memory [ 61.399956][ T5540] BTRFS warning (device loop0): failed to clear free space tree: -12 [ 61.429854][ T4272] BTRFS warning (device loop0): page private not zero on page 5341184 [ 61.577046][ T5562] loop0: detected capacity change from 0 to 32768 [ 61.620915][ T5562] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5562) [ 61.630297][ T5562] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 61.631875][ T5562] BTRFS info (device loop0): turning on flush-on-commit [ 61.633505][ T5562] BTRFS info (device loop0): using default commit interval 30s [ 61.634794][ T5562] BTRFS info (device loop0): force clearing of disk cache [ 61.635944][ T5562] BTRFS info (device loop0): force zlib compression, level 3 [ 61.637133][ T5562] BTRFS info (device loop0): enabling disk space caching [ 61.638254][ T5562] BTRFS info (device loop0): disk space caching is enabled [ 61.639496][ T5562] BTRFS info (device loop0): has skinny extents [ 61.651677][ T5562] BTRFS info (device loop0): enabling ssd optimizations [ 61.655812][ T5562] BTRFS info (device loop0): using default commit interval 30s [ 61.657083][ T5562] BTRFS info (device loop0): force clearing of disk cache [ 61.658227][ T5562] BTRFS info (device loop0): clearing free space tree [ 61.659339][ T5562] FAULT_INJECTION: forcing a failure. [ 61.659339][ T5562] name failslab, interval 1, probability 0, space 0, times 0 [ 61.661251][ T5562] CPU: 1 PID: 5562 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.662529][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.664234][ T5562] Call trace: [ 61.664789][ T5562] dump_backtrace+0x0/0x43c [ 61.665537][ T5562] show_stack+0x2c/0x3c [ 61.666222][ T5562] __dump_stack+0x30/0x40 [ 61.666970][ T5562] dump_stack_lvl+0xf8/0x160 [ 61.667754][ T5562] dump_stack+0x1c/0x5c [ 61.668465][ T5562] should_fail+0x3c0/0x51c [ 61.669140][ T5562] __should_failslab+0xbc/0x10c [ 61.669920][ T5562] should_failslab+0x10/0x28 [ 61.670649][ T5562] slab_pre_alloc_hook+0x64/0xec [ 61.671428][ T5562] kmem_cache_alloc_trace+0x98/0x3fc [ 61.672236][ T5562] join_transaction+0x10c/0xa64 [ 61.672978][ T5562] start_transaction+0x910/0x13f0 [ 61.673717][ T5562] btrfs_start_transaction+0x34/0x44 [ 61.674439][ T5562] btrfs_clear_free_space_tree+0xc4/0x9cc [ 61.675226][ T5562] btrfs_start_pre_rw_mount+0x240/0x568 [ 61.676045][ T5562] btrfs_remount+0xa98/0x12b8 [ 61.676727][ T5562] legacy_reconfigure+0xf8/0x110 [ 61.677438][ T5562] reconfigure_super+0x1d4/0x6f4 [ 61.678155][ T5562] path_mount+0xc80/0x1000 [ 61.678839][ T5562] __arm64_sys_mount+0x514/0x5e4 [ 61.679542][ T5562] invoke_syscall+0x98/0x2b8 [ 61.680168][ T5562] el0_svc_common+0x138/0x258 [ 61.680814][ T5562] do_el0_svc+0x58/0x14c [ 61.681439][ T5562] el0_svc+0x78/0x1e0 [ 61.682014][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 61.682786][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 61.685603][ T5562] BTRFS warning (device loop0): failed to clear free space tree: -12