Warning: Permanently added '10.128.0.191' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 ignoring optional flag "type"="gce" 1970/01/01 00:01:02 parsed 1 programs [ 64.233080][ T4412] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 65.776837][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.778072][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.781220][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.786006][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.787319][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.788781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.213072][ T4571] chnl_net:caif_netlink_parms(): no params data found [ 66.229053][ T4571] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.230284][ T4571] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.231739][ T4571] device bridge_slave_0 entered promiscuous mode [ 66.236038][ T4571] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.237218][ T4571] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.238699][ T4571] device bridge_slave_1 entered promiscuous mode [ 66.247470][ T4571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.250110][ T4571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.257498][ T4571] team0: Port device team_slave_0 added [ 66.259257][ T4571] team0: Port device team_slave_1 added [ 66.266834][ T4571] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.267962][ T4571] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.272221][ T4571] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.274731][ T4571] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.275715][ T4571] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.279557][ T4571] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.344246][ T4571] device hsr_slave_0 entered promiscuous mode [ 66.383340][ T4571] device hsr_slave_1 entered promiscuous mode [ 67.160235][ T4571] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.194464][ T4571] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.283664][ T4571] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.334345][ T4571] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.408285][ T4571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.415164][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.416690][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.422066][ T4571] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.427083][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.428678][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.430160][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.431205][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.432465][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.443682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.445244][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.446370][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.448235][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.450500][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.453003][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.456369][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.458283][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.459792][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.462933][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.464597][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.469209][ T4571] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.470882][ T4571] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.474201][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.476537][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.478431][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.479981][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.481809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.553011][ T4571] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.562079][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.563417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.569771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.571437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.581227][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.582714][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.584787][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.586270][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.588599][ T4571] device veth0_vlan entered promiscuous mode [ 67.592258][ T4571] device veth1_vlan entered promiscuous mode [ 67.601297][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.602830][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.606538][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.608059][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.612120][ T4571] device veth0_macvtap entered promiscuous mode [ 67.616110][ T4571] device veth1_macvtap entered promiscuous mode [ 67.621930][ T4571] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.623820][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.625245][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.626813][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.628258][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.631418][ T4571] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.632590][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.634216][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.641052][ T4571] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.642507][ T4571] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.644574][ T4571] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.648408][ T4571] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.197931][ T266] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.614354][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.615529][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.617454][ T7] cfg80211: failed to load regulatory.db [ 70.615904][ T266] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.165846][ T266] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.206632][ T266] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:13 executed programs: 0 [ 73.500988][ T4957] chnl_net:caif_netlink_parms(): no params data found [ 73.521318][ T4957] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.522519][ T4957] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.524748][ T4957] device bridge_slave_0 entered promiscuous mode [ 73.528355][ T4957] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.530797][ T4957] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.532400][ T4957] device bridge_slave_1 entered promiscuous mode [ 73.545137][ T4957] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.548379][ T4957] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.558823][ T4957] team0: Port device team_slave_0 added [ 73.560639][ T4957] team0: Port device team_slave_1 added [ 73.568250][ T4957] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.569294][ T4957] 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. [ 73.573461][ T4957] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.575750][ T4957] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.576810][ T4957] 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. [ 73.580502][ T4957] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.615877][ T4957] device hsr_slave_0 entered promiscuous mode [ 73.653511][ T4957] device hsr_slave_1 entered promiscuous mode [ 73.693238][ T4957] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.694368][ T4957] Cannot create hsr debugfs directory [ 74.179387][ T4957] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.224663][ T4957] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.275133][ T4957] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.327108][ T4957] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.411785][ T4957] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.413000][ T4957] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.414532][ T4957] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.415592][ T4957] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.432860][ T4957] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.437165][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.439060][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.440433][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.442243][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.447737][ T4957] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.450830][ T1828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.452267][ T1828] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.453396][ T1828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.458014][ T1828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.459553][ T1828] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.460689][ T1828] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.468370][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.469874][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.473021][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.476807][ T1828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.481938][ T4957] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.484560][ T4957] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.486299][ T1828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.526161][ T1828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.527452][ T1828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.530944][ T4957] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.537121][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.538633][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.544854][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.546339][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.547926][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.549336][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.551643][ T4957] device veth0_vlan entered promiscuous mode [ 74.555691][ T4957] device veth1_vlan entered promiscuous mode [ 74.562138][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.564193][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.565629][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.567152][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.569507][ T4957] device veth0_macvtap entered promiscuous mode [ 74.572450][ T4957] device veth1_macvtap entered promiscuous mode [ 74.577497][ T4957] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.579111][ T4957] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.581061][ T4957] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.582251][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.583830][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.585398][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.586925][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.602872][ T4957] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.605216][ T4957] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.607292][ T4957] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.608571][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.610096][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.612819][ T4957] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.614584][ T4957] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.615922][ T4957] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.617293][ T4957] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.651122][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.652391][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.654861][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.661187][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.662380][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.664218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.776698][ T5081] loop0: detected capacity change from 0 to 32768 [ 74.784475][ T5081] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5081) [ 74.790874][ T5081] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.792334][ T5081] BTRFS info (device loop0): using free space tree [ 74.793728][ T5081] BTRFS info (device loop0): has skinny extents [ 74.806446][ T5081] BTRFS info (device loop0): enabling ssd optimizations [ 74.812963][ T5081] FAULT_INJECTION: forcing a failure. [ 74.812963][ T5081] name failslab, interval 1, probability 0, space 0, times 1 [ 74.815917][ T5081] CPU: 1 PID: 5081 Comm: syz.0.15 Not tainted syzkaller #0 [ 74.816918][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.818403][ T5081] Call trace: [ 74.818881][ T5081] dump_backtrace+0x0/0x43c [ 74.819547][ T5081] show_stack+0x2c/0x3c [ 74.820135][ T5081] __dump_stack+0x30/0x40 [ 74.820819][ T5081] dump_stack_lvl+0xf8/0x160 [ 74.821496][ T5081] dump_stack+0x1c/0x5c [ 74.822113][ T5081] should_fail+0x3c0/0x51c [ 74.822780][ T5081] __should_failslab+0xbc/0x10c [ 74.823558][ T5081] should_failslab+0x10/0x28 [ 74.824345][ T5081] slab_pre_alloc_hook+0x64/0xec [ 74.825063][ T5081] kmem_cache_alloc+0x94/0x3e4 [ 74.825849][ T5081] start_transaction+0x4d0/0x13f0 [ 74.826644][ T5081] btrfs_start_transaction+0x34/0x44 [ 74.827464][ T5081] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 74.828360][ T5081] btrfs_ioctl+0x5f0/0xb38 [ 74.829071][ T5081] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.829829][ T5081] invoke_syscall+0x98/0x2b8 [ 74.830506][ T5081] el0_svc_common+0x138/0x258 [ 74.831180][ T5081] do_el0_svc+0x58/0x14c [ 74.831817][ T5081] el0_svc+0x78/0x1e0 [ 74.832364][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 74.833190][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 74.982952][ T5103] loop0: detected capacity change from 0 to 32768 [ 75.038567][ T5103] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5103) [ 75.044624][ T5103] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.046092][ T5103] BTRFS info (device loop0): using free space tree [ 75.047028][ T5103] BTRFS info (device loop0): has skinny extents [ 75.055164][ T5103] BTRFS info (device loop0): enabling ssd optimizations [ 75.058711][ T5103] FAULT_INJECTION: forcing a failure. [ 75.058711][ T5103] name failslab, interval 1, probability 0, space 0, times 0 [ 75.060855][ T5103] CPU: 0 PID: 5103 Comm: syz.0.16 Not tainted syzkaller #0 [ 75.061862][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.063242][ T5103] Call trace: [ 75.063701][ T5103] dump_backtrace+0x0/0x43c [ 75.064473][ T5103] show_stack+0x2c/0x3c [ 75.065174][ T5103] __dump_stack+0x30/0x40 [ 75.065840][ T5103] dump_stack_lvl+0xf8/0x160 [ 75.066533][ T5103] dump_stack+0x1c/0x5c [ 75.067140][ T5103] should_fail+0x3c0/0x51c [ 75.067747][ T5103] __should_failslab+0xbc/0x10c [ 75.068544][ T5103] should_failslab+0x10/0x28 [ 75.069346][ T5103] slab_pre_alloc_hook+0x64/0xec [ 75.070146][ T5103] kmem_cache_alloc+0x94/0x3e4 [ 75.070944][ T5103] btrfs_alloc_path+0x5c/0x68 [ 75.071669][ T5103] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.072583][ T5103] btrfs_run_delayed_refs+0x124/0x46c [ 75.073442][ T5103] btrfs_commit_transaction+0x1b8/0x3044 [ 75.074237][ T5103] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.075006][ T5103] btrfs_ioctl+0x5f0/0xb38 [ 75.075662][ T5103] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.076382][ T5103] invoke_syscall+0x98/0x2b8 [ 75.077073][ T5103] el0_svc_common+0x138/0x258 [ 75.077854][ T5103] do_el0_svc+0x58/0x14c [ 75.078526][ T5103] el0_svc+0x78/0x1e0 [ 75.079161][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 75.079872][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 75.081466][ T5103] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.083592][ T5103] ------------[ cut here ]------------ [ 75.084549][ T5103] WARNING: CPU: 0 PID: 5103 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.086077][ T5103] Modules linked in: [ 75.086655][ T5103] CPU: 0 PID: 5103 Comm: syz.0.16 Not tainted syzkaller #0 [ 75.087690][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.089175][ T5103] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.090264][ T5103] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.091096][ T5103] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.091923][ T5103] sp : ffff80001f9a77d0 [ 75.092549][ T5103] x29: ffff80001f9a77e0 x28: ffff0000c2bee000 x27: dfff800000000000 [ 75.093728][ T5103] x26: ffff0000c2bee024 x25: ffff0000d2628000 x24: 1fffe0001bcebc21 [ 75.094863][ T5103] x23: 1fffe0001bcebc21 x22: ffff0000de75e108 x21: 00000000fffffff4 [ 75.096127][ T5103] x20: 0000000000000051 x19: ffff0000de75e0b0 x18: 0000000000000001 [ 75.097356][ T5103] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.098600][ T5103] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.099972][ T5103] x11: 0000000000000000 x10: 0000000000000000 x9 : 45c4e544461a8500 [ 75.101217][ T5103] x8 : 45c4e544461a8500 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.102418][ T5103] x5 : ffff80001f9a70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.103728][ T5103] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.105049][ T5103] Call trace: [ 75.105601][ T5103] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.106447][ T5103] btrfs_commit_transaction+0x1b8/0x3044 [ 75.107349][ T5103] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.108180][ T5103] btrfs_ioctl+0x5f0/0xb38 [ 75.108827][ T5103] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.109596][ T5103] invoke_syscall+0x98/0x2b8 [ 75.110306][ T5103] el0_svc_common+0x138/0x258 [ 75.110983][ T5103] do_el0_svc+0x58/0x14c [ 75.111625][ T5103] el0_svc+0x78/0x1e0 [ 75.112223][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 75.113050][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 75.113725][ T5103] irq event stamp: 79368 [ 75.114432][ T5103] hardirqs last enabled at (79367): [] __up_console_sem+0xb4/0x100 [ 75.115836][ T5103] hardirqs last disabled at (79368): [] el1_dbg+0x24/0x80 [ 75.117173][ T5103] softirqs last enabled at (79342): [] handle_softirqs+0xa4c/0xbf0 [ 75.118583][ T5103] softirqs last disabled at (79197): [] __irq_exit_rcu+0x240/0x440 [ 75.120100][ T5103] ---[ end trace 86ac53f5acd3afd9 ]--- [ 75.121262][ T5103] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.122742][ T5103] BTRFS info (device loop0): forced readonly [ 75.269398][ T5133] loop0: detected capacity change from 0 to 32768 [ 75.383755][ T5133] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5133) [ 75.387467][ T5133] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.388919][ T5133] BTRFS info (device loop0): using free space tree [ 75.389965][ T5133] BTRFS info (device loop0): has skinny extents [ 75.398249][ T5133] BTRFS info (device loop0): enabling ssd optimizations [ 75.401770][ T5133] FAULT_INJECTION: forcing a failure. [ 75.401770][ T5133] name failslab, interval 1, probability 0, space 0, times 0 [ 75.403752][ T5133] CPU: 0 PID: 5133 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 75.405021][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.406445][ T5133] Call trace: [ 75.406927][ T5133] dump_backtrace+0x0/0x43c [ 75.407610][ T5133] show_stack+0x2c/0x3c [ 75.408175][ T5133] __dump_stack+0x30/0x40 [ 75.408851][ T5133] dump_stack_lvl+0xf8/0x160 [ 75.409606][ T5133] dump_stack+0x1c/0x5c [ 75.410199][ T5133] should_fail+0x3c0/0x51c [ 75.410876][ T5133] __should_failslab+0xbc/0x10c [ 75.411647][ T5133] should_failslab+0x10/0x28 [ 75.412366][ T5133] slab_pre_alloc_hook+0x64/0xec [ 75.413304][ T5133] kmem_cache_alloc+0x94/0x3e4 [ 75.414050][ T5133] btrfs_alloc_path+0x5c/0x68 [ 75.414815][ T5133] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.415721][ T5133] btrfs_run_delayed_refs+0x124/0x46c [ 75.416590][ T5133] btrfs_commit_transaction+0x1b8/0x3044 [ 75.417415][ T5133] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.418257][ T5133] btrfs_ioctl+0x5f0/0xb38 [ 75.418923][ T5133] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.419658][ T5133] invoke_syscall+0x98/0x2b8 [ 75.420429][ T5133] el0_svc_common+0x138/0x258 [ 75.421217][ T5133] do_el0_svc+0x58/0x14c [ 75.421882][ T5133] el0_svc+0x78/0x1e0 [ 75.422494][ T5133] el0t_64_sync_handler+0xcc/0xe4 [ 75.423269][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 75.425686][ T5133] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.427776][ T5133] ------------[ cut here ]------------ [ 75.428698][ T5133] WARNING: CPU: 0 PID: 5133 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.430177][ T5133] Modules linked in: [ 75.430795][ T5133] CPU: 0 PID: 5133 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 75.432128][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.433663][ T5133] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.434858][ T5133] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.435746][ T5133] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.436627][ T5133] sp : ffff80001fcf77d0 [ 75.437264][ T5133] x29: ffff80001fcf77e0 x28: ffff0000dabe1000 x27: dfff800000000000 [ 75.438489][ T5133] x26: ffff0000dabe1024 x25: ffff0000c7cbc000 x24: 1fffe0001bcebc4d [ 75.439688][ T5133] x23: 1fffe0001bcebc4d x22: ffff0000de75e268 x21: 00000000fffffff4 [ 75.440926][ T5133] x20: 0000000000000051 x19: ffff0000de75e210 x18: 0000000000000001 [ 75.442100][ T5133] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.443358][ T5133] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.444650][ T5133] x11: 0000000000000000 x10: 0000000000000000 x9 : 7e9d3dfb44b96b00 [ 75.445912][ T5133] x8 : 7e9d3dfb44b96b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.447100][ T5133] x5 : ffff80001fcf70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.448326][ T5133] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.449448][ T5133] Call trace: [ 75.449940][ T5133] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.450656][ T5133] btrfs_commit_transaction+0x1b8/0x3044 [ 75.451443][ T5133] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.452220][ T5133] btrfs_ioctl+0x5f0/0xb38 [ 75.452887][ T5133] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.453572][ T5133] invoke_syscall+0x98/0x2b8 [ 75.454229][ T5133] el0_svc_common+0x138/0x258 [ 75.454957][ T5133] do_el0_svc+0x58/0x14c [ 75.455668][ T5133] el0_svc+0x78/0x1e0 [ 75.456291][ T5133] el0t_64_sync_handler+0xcc/0xe4 [ 75.457092][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 75.457852][ T5133] irq event stamp: 79020 [ 75.458505][ T5133] hardirqs last enabled at (79019): [] __up_console_sem+0xb4/0x100 [ 75.459990][ T5133] hardirqs last disabled at (79020): [] el1_dbg+0x24/0x80 [ 75.461249][ T5133] softirqs last enabled at (78986): [] handle_softirqs+0xa4c/0xbf0 [ 75.462587][ T5133] softirqs last disabled at (78927): [] __irq_exit_rcu+0x240/0x440 [ 75.464001][ T5133] ---[ end trace 86ac53f5acd3afda ]--- [ 75.465502][ T5133] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.466981][ T5133] BTRFS info (device loop0): forced readonly [ 75.533833][ T5126] Bluetooth: hci0: command 0x0409 tx timeout [ 75.643830][ T5161] loop0: detected capacity change from 0 to 32768 [ 75.727676][ T5161] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5161) [ 75.732505][ T5161] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.734193][ T5161] BTRFS info (device loop0): using free space tree [ 75.735227][ T5161] BTRFS info (device loop0): has skinny extents [ 75.742605][ T5161] BTRFS info (device loop0): enabling ssd optimizations [ 75.746583][ T5161] FAULT_INJECTION: forcing a failure. [ 75.746583][ T5161] name failslab, interval 1, probability 0, space 0, times 0 [ 75.748625][ T5161] CPU: 0 PID: 5161 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 75.749999][ T5161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.751621][ T5161] Call trace: [ 75.752125][ T5161] dump_backtrace+0x0/0x43c [ 75.752803][ T5161] show_stack+0x2c/0x3c [ 75.753433][ T5161] __dump_stack+0x30/0x40 [ 75.754120][ T5161] dump_stack_lvl+0xf8/0x160 [ 75.754883][ T5161] dump_stack+0x1c/0x5c [ 75.755549][ T5161] should_fail+0x3c0/0x51c [ 75.756227][ T5161] __should_failslab+0xbc/0x10c [ 75.756994][ T5161] should_failslab+0x10/0x28 [ 75.757716][ T5161] slab_pre_alloc_hook+0x64/0xec [ 75.758515][ T5161] kmem_cache_alloc+0x94/0x3e4 [ 75.759235][ T5161] btrfs_alloc_path+0x5c/0x68 [ 75.759910][ T5161] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.760770][ T5161] btrfs_run_delayed_refs+0x124/0x46c [ 75.761590][ T5161] btrfs_commit_transaction+0x1b8/0x3044 [ 75.762444][ T5161] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.763364][ T5161] btrfs_ioctl+0x5f0/0xb38 [ 75.764005][ T5161] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.764849][ T5161] invoke_syscall+0x98/0x2b8 [ 75.765580][ T5161] el0_svc_common+0x138/0x258 [ 75.766322][ T5161] do_el0_svc+0x58/0x14c [ 75.767032][ T5161] el0_svc+0x78/0x1e0 [ 75.767691][ T5161] el0t_64_sync_handler+0xcc/0xe4 [ 75.768530][ T5161] el0t_64_sync+0x1a0/0x1a4 [ 75.771793][ T5161] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.775140][ T5161] ------------[ cut here ]------------ [ 75.776094][ T5161] WARNING: CPU: 0 PID: 5161 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.777629][ T5161] Modules linked in: [ 75.778236][ T5161] CPU: 0 PID: 5161 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 75.779656][ T5161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.781142][ T5161] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.782312][ T5161] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.783231][ T5161] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.784149][ T5161] sp : ffff80001fce77d0 [ 75.784763][ T5161] x29: ffff80001fce77e0 x28: ffff0000c984e000 x27: dfff800000000000 [ 75.785965][ T5161] x26: ffff0000c984e024 x25: ffff0000ebca0000 x24: 1fffe0001bcebc79 [ 75.787307][ T5161] x23: 1fffe0001bcebc79 x22: ffff0000de75e3c8 x21: 00000000fffffff4 [ 75.788598][ T5161] x20: 0000000000000051 x19: ffff0000de75e370 x18: 0000000000000001 [ 75.789892][ T5161] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.791164][ T5161] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.792409][ T5161] x11: 0000000000000000 x10: 0000000000000000 x9 : a6019d5a2d37e600 [ 75.793570][ T5161] x8 : a6019d5a2d37e600 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.794825][ T5161] x5 : ffff80001fce70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.796053][ T5161] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.797262][ T5161] Call trace: [ 75.797749][ T5161] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.798539][ T5161] btrfs_commit_transaction+0x1b8/0x3044 [ 75.799436][ T5161] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.800214][ T5161] btrfs_ioctl+0x5f0/0xb38 [ 75.800858][ T5161] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.801570][ T5161] invoke_syscall+0x98/0x2b8 [ 75.802242][ T5161] el0_svc_common+0x138/0x258 [ 75.802947][ T5161] do_el0_svc+0x58/0x14c [ 75.803556][ T5161] el0_svc+0x78/0x1e0 [ 75.804152][ T5161] el0t_64_sync_handler+0xcc/0xe4 [ 75.804888][ T5161] el0t_64_sync+0x1a0/0x1a4 [ 75.805518][ T5161] irq event stamp: 79076 [ 75.806138][ T5161] hardirqs last enabled at (79075): [] __up_console_sem+0xb4/0x100 [ 75.807591][ T5161] hardirqs last disabled at (79076): [] el1_dbg+0x24/0x80 [ 75.808857][ T5161] softirqs last enabled at (79052): [] handle_softirqs+0xa4c/0xbf0 [ 75.810242][ T5161] softirqs last disabled at (79015): [] __irq_exit_rcu+0x240/0x440 [ 75.811679][ T5161] ---[ end trace 86ac53f5acd3afdb ]--- [ 75.814948][ T5161] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.816401][ T5161] BTRFS info (device loop0): forced readonly [ 75.953910][ T5183] loop0: detected capacity change from 0 to 32768 [ 76.004301][ T5183] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5183) [ 76.053449][ T5183] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.054889][ T5183] BTRFS info (device loop0): using free space tree [ 76.055970][ T5183] BTRFS info (device loop0): has skinny extents [ 76.065659][ T5183] BTRFS info (device loop0): enabling ssd optimizations [ 76.069015][ T5183] FAULT_INJECTION: forcing a failure. [ 76.069015][ T5183] name failslab, interval 1, probability 0, space 0, times 0 [ 76.070957][ T5183] CPU: 1 PID: 5183 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 76.072330][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.073768][ T5183] Call trace: [ 76.074244][ T5183] dump_backtrace+0x0/0x43c [ 76.074930][ T5183] show_stack+0x2c/0x3c [ 76.075563][ T5183] __dump_stack+0x30/0x40 [ 76.076262][ T5183] dump_stack_lvl+0xf8/0x160 [ 76.077035][ T5183] dump_stack+0x1c/0x5c [ 76.077647][ T5183] should_fail+0x3c0/0x51c [ 76.078217][ T5183] __should_failslab+0xbc/0x10c [ 76.078913][ T5183] should_failslab+0x10/0x28 [ 76.079603][ T5183] slab_pre_alloc_hook+0x64/0xec [ 76.080443][ T5183] kmem_cache_alloc+0x94/0x3e4 [ 76.081176][ T5183] start_transaction+0x4d0/0x13f0 [ 76.082009][ T5183] btrfs_start_transaction+0x34/0x44 [ 76.082890][ T5183] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 76.083770][ T5183] btrfs_ioctl+0x5f0/0xb38 [ 76.084444][ T5183] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.085230][ T5183] invoke_syscall+0x98/0x2b8 [ 76.085914][ T5183] el0_svc_common+0x138/0x258 [ 76.086601][ T5183] do_el0_svc+0x58/0x14c [ 76.087268][ T5183] el0_svc+0x78/0x1e0 [ 76.087877][ T5183] el0t_64_sync_handler+0xcc/0xe4 [ 76.088600][ T5183] el0t_64_sync+0x1a0/0x1a4 [ 76.145719][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4948) [ 76.229065][ T5204] loop0: detected capacity change from 0 to 32768 [ 76.294291][ T5204] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.295836][ T5204] BTRFS info (device loop0): using free space tree [ 76.296880][ T5204] BTRFS info (device loop0): has skinny extents [ 76.306922][ T5204] BTRFS info (device loop0): enabling ssd optimizations [ 76.310268][ T5204] FAULT_INJECTION: forcing a failure. [ 76.310268][ T5204] name failslab, interval 1, probability 0, space 0, times 0 [ 76.312226][ T5204] CPU: 0 PID: 5204 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 76.313544][ T5204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.315299][ T5204] Call trace: [ 76.315855][ T5204] dump_backtrace+0x0/0x43c [ 76.316508][ T5204] show_stack+0x2c/0x3c [ 76.317097][ T5204] __dump_stack+0x30/0x40 [ 76.317721][ T5204] dump_stack_lvl+0xf8/0x160 [ 76.318431][ T5204] dump_stack+0x1c/0x5c [ 76.319080][ T5204] should_fail+0x3c0/0x51c [ 76.319799][ T5204] __should_failslab+0xbc/0x10c [ 76.320603][ T5204] should_failslab+0x10/0x28 [ 76.321321][ T5204] slab_pre_alloc_hook+0x64/0xec [ 76.322096][ T5204] kmem_cache_alloc+0x94/0x3e4 [ 76.322873][ T5204] start_transaction+0x4d0/0x13f0 [ 76.323676][ T5204] btrfs_start_transaction+0x34/0x44 [ 76.324505][ T5204] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 76.325368][ T5204] btrfs_ioctl+0x5f0/0xb38 [ 76.326130][ T5204] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.326918][ T5204] invoke_syscall+0x98/0x2b8 [ 76.327565][ T5204] el0_svc_common+0x138/0x258 [ 76.328289][ T5204] do_el0_svc+0x58/0x14c [ 76.328908][ T5204] el0_svc+0x78/0x1e0 [ 76.329490][ T5204] el0t_64_sync_handler+0xcc/0xe4 [ 76.330177][ T5204] el0t_64_sync+0x1a0/0x1a4 [ 76.377296][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4948) [ 76.484498][ T5226] loop0: detected capacity change from 0 to 32768 [ 76.489656][ T5226] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.491205][ T5226] BTRFS info (device loop0): using free space tree [ 76.492224][ T5226] BTRFS info (device loop0): has skinny extents [ 76.503384][ T5226] BTRFS info (device loop0): enabling ssd optimizations [ 76.507309][ T5226] FAULT_INJECTION: forcing a failure. [ 76.507309][ T5226] name failslab, interval 1, probability 0, space 0, times 0 [ 76.509430][ T5226] CPU: 1 PID: 5226 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 76.510848][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.512384][ T5226] Call trace: [ 76.512843][ T5226] dump_backtrace+0x0/0x43c [ 76.513502][ T5226] show_stack+0x2c/0x3c [ 76.514104][ T5226] __dump_stack+0x30/0x40 [ 76.514774][ T5226] dump_stack_lvl+0xf8/0x160 [ 76.515494][ T5226] dump_stack+0x1c/0x5c [ 76.516167][ T5226] should_fail+0x3c0/0x51c [ 76.516772][ T5226] __should_failslab+0xbc/0x10c [ 76.517434][ T5226] should_failslab+0x10/0x28 [ 76.518117][ T5226] slab_pre_alloc_hook+0x64/0xec [ 76.518896][ T5226] kmem_cache_alloc+0x94/0x3e4 [ 76.519608][ T5226] start_transaction+0x4d0/0x13f0 [ 76.520445][ T5226] btrfs_start_transaction+0x34/0x44 [ 76.521295][ T5226] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 76.522115][ T5226] btrfs_ioctl+0x5f0/0xb38 [ 76.522800][ T5226] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.523566][ T5226] invoke_syscall+0x98/0x2b8 [ 76.524281][ T5226] el0_svc_common+0x138/0x258 [ 76.525012][ T5226] do_el0_svc+0x58/0x14c [ 76.525613][ T5226] el0_svc+0x78/0x1e0 [ 76.526258][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 76.527000][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 76.597706][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4948) [ 76.691456][ T5248] loop0: detected capacity change from 0 to 32768 [ 76.740294][ T5248] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.741703][ T5248] BTRFS info (device loop0): using free space tree [ 76.742723][ T5248] BTRFS info (device loop0): has skinny extents [ 76.751262][ T5248] BTRFS info (device loop0): enabling ssd optimizations [ 76.756563][ T5248] FAULT_INJECTION: forcing a failure. [ 76.756563][ T5248] name failslab, interval 1, probability 0, space 0, times 0 [ 76.758419][ T5248] CPU: 1 PID: 5248 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 76.759765][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.761465][ T5248] Call trace: [ 76.761978][ T5248] dump_backtrace+0x0/0x43c [ 76.762684][ T5248] show_stack+0x2c/0x3c [ 76.763355][ T5248] __dump_stack+0x30/0x40 [ 76.764078][ T5248] dump_stack_lvl+0xf8/0x160 [ 76.764774][ T5248] dump_stack+0x1c/0x5c [ 76.765458][ T5248] should_fail+0x3c0/0x51c [ 76.766141][ T5248] __should_failslab+0xbc/0x10c [ 76.766825][ T5248] should_failslab+0x10/0x28 [ 76.767533][ T5248] slab_pre_alloc_hook+0x64/0xec [ 76.768278][ T5248] kmem_cache_alloc+0x94/0x3e4 [ 76.769019][ T5248] btrfs_alloc_path+0x5c/0x68 [ 76.769754][ T5248] __btrfs_free_extent+0x19c/0x1aa4 [ 76.770575][ T5248] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 76.771399][ T5248] btrfs_run_delayed_refs+0x124/0x46c [ 76.772224][ T5248] btrfs_commit_transaction+0x1b8/0x3044 [ 76.773080][ T5248] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.773934][ T5248] btrfs_ioctl+0x5f0/0xb38 [ 76.774660][ T5248] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.775396][ T5248] invoke_syscall+0x98/0x2b8 [ 76.776066][ T5248] el0_svc_common+0x138/0x258 [ 76.776804][ T5248] do_el0_svc+0x58/0x14c [ 76.777450][ T5248] el0_svc+0x78/0x1e0 [ 76.778072][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 76.778835][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 76.779948][ T5248] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 76.781885][ T5248] ------------[ cut here ]------------ [ 76.782807][ T5248] WARNING: CPU: 1 PID: 5248 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.784365][ T5248] Modules linked in: [ 76.784910][ T5248] CPU: 1 PID: 5248 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 76.786227][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.787767][ T5248] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.788922][ T5248] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.789706][ T5248] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.790521][ T5248] sp : ffff8000200977d0 [ 76.791159][ T5248] x29: ffff8000200977e0 x28: ffff0000e7b3d000 x27: dfff800000000000 [ 76.792486][ T5248] x26: ffff0000e7b3d024 x25: ffff0000eb4f8000 x24: 1fffe0001bc922a5 [ 76.793872][ T5248] x23: 1fffe0001bc922a5 x22: ffff0000de491528 x21: 00000000fffffff4 [ 76.795125][ T5248] x20: 0000000000000051 x19: ffff0000de4914d0 x18: 0000000000000001 [ 76.796283][ T5248] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.797462][ T5248] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.798614][ T5248] x11: 0000000000000000 x10: 0000000000000000 x9 : 18df59dd9151c200 [ 76.799834][ T5248] x8 : 18df59dd9151c200 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.801062][ T5248] x5 : ffff8000200970b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.802262][ T5248] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.803396][ T5248] Call trace: [ 76.803915][ T5248] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.804769][ T5248] btrfs_commit_transaction+0x1b8/0x3044 [ 76.805659][ T5248] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.806623][ T5248] btrfs_ioctl+0x5f0/0xb38 [ 76.807331][ T5248] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.808122][ T5248] invoke_syscall+0x98/0x2b8 [ 76.808815][ T5248] el0_svc_common+0x138/0x258 [ 76.809534][ T5248] do_el0_svc+0x58/0x14c [ 76.810207][ T5248] el0_svc+0x78/0x1e0 [ 76.810887][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 76.811672][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 76.812316][ T5248] irq event stamp: 79348 [ 76.812970][ T5248] hardirqs last enabled at (79347): [] __up_console_sem+0xb4/0x100 [ 76.814372][ T5248] hardirqs last disabled at (79348): [] el1_dbg+0x24/0x80 [ 76.815639][ T5248] softirqs last enabled at (79316): [] handle_softirqs+0xa4c/0xbf0 [ 76.817049][ T5248] softirqs last disabled at (79259): [] __irq_exit_rcu+0x240/0x440 [ 76.818423][ T5248] ---[ end trace 86ac53f5acd3afdc ]--- [ 76.819865][ T5248] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.821334][ T5248] BTRFS info (device loop0): forced readonly [ 76.961800][ T5271] loop0: detected capacity change from 0 to 32768 [ 77.006160][ T5271] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5271) [ 77.008829][ T266] device hsr_slave_0 left promiscuous mode [ 77.043469][ T266] device hsr_slave_1 left promiscuous mode [ 77.045605][ T5271] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.047012][ T5271] BTRFS info (device loop0): using free space tree [ 77.047951][ T5271] BTRFS info (device loop0): has skinny extents [ 77.057342][ T5271] BTRFS info (device loop0): enabling ssd optimizations [ 77.062082][ T5271] FAULT_INJECTION: forcing a failure. [ 77.062082][ T5271] name failslab, interval 1, probability 0, space 0, times 0 [ 77.066371][ T5271] CPU: 1 PID: 5271 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 77.067568][ T5271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.068954][ T5271] Call trace: [ 77.069421][ T5271] dump_backtrace+0x0/0x43c [ 77.070106][ T5271] show_stack+0x2c/0x3c [ 77.070776][ T5271] __dump_stack+0x30/0x40 [ 77.071480][ T5271] dump_stack_lvl+0xf8/0x160 [ 77.072144][ T5271] dump_stack+0x1c/0x5c [ 77.072763][ T5271] should_fail+0x3c0/0x51c [ 77.073455][ T5271] __should_failslab+0xbc/0x10c [ 77.074229][ T5271] should_failslab+0x10/0x28 [ 77.074953][ T5271] slab_pre_alloc_hook+0x64/0xec [ 77.075689][ T5271] kmem_cache_alloc+0x94/0x3e4 [ 77.076432][ T5271] start_transaction+0x4d0/0x13f0 [ 77.077260][ T5271] btrfs_start_transaction+0x34/0x44 [ 77.078188][ T5271] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 77.078992][ T5271] btrfs_ioctl+0x5f0/0xb38 [ 77.079616][ T5271] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.080376][ T5271] invoke_syscall+0x98/0x2b8 [ 77.081180][ T5271] el0_svc_common+0x138/0x258 [ 77.081883][ T5271] do_el0_svc+0x58/0x14c [ 77.082448][ T5271] el0_svc+0x78/0x1e0 [ 77.083011][ T5271] el0t_64_sync_handler+0xcc/0xe4 [ 77.083763][ T5271] el0t_64_sync+0x1a0/0x1a4 [ 77.103518][ T266] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.104734][ T266] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.106233][ T266] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.107381][ T266] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.108704][ T266] device bridge_slave_1 left promiscuous mode [ 77.109680][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.142745][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4948) [ 77.145301][ T266] device bridge_slave_0 left promiscuous mode [ 77.146351][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.242736][ T5293] loop0: detected capacity change from 0 to 32768 [ 77.273283][ T266] device veth1_macvtap left promiscuous mode [ 77.274228][ T266] device veth0_macvtap left promiscuous mode [ 77.275178][ T266] device veth1_vlan left promiscuous mode [ 77.276078][ T266] device veth0_vlan left promiscuous mode [ 77.288702][ T5293] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.292228][ T5293] BTRFS info (device loop0): using free space tree [ 77.295351][ T5293] BTRFS info (device loop0): has skinny extents [ 77.341214][ T5293] BTRFS info (device loop0): enabling ssd optimizations [ 77.348597][ T5293] FAULT_INJECTION: forcing a failure. [ 77.348597][ T5293] name failslab, interval 1, probability 0, space 0, times 0 [ 77.350655][ T5293] CPU: 0 PID: 5293 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 77.352000][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.353583][ T5293] Call trace: [ 77.354063][ T5293] dump_backtrace+0x0/0x43c [ 77.354755][ T5293] show_stack+0x2c/0x3c [ 77.355350][ T5293] __dump_stack+0x30/0x40 [ 77.356051][ T5293] dump_stack_lvl+0xf8/0x160 [ 77.356763][ T5293] dump_stack+0x1c/0x5c [ 77.357420][ T5293] should_fail+0x3c0/0x51c [ 77.358121][ T5293] __should_failslab+0xbc/0x10c [ 77.358943][ T5293] should_failslab+0x10/0x28 [ 77.359672][ T5293] slab_pre_alloc_hook+0x64/0xec [ 77.360528][ T5293] kmem_cache_alloc+0x94/0x3e4 [ 77.361347][ T5293] btrfs_alloc_path+0x5c/0x68 [ 77.362082][ T5293] __btrfs_free_extent+0x19c/0x1aa4 [ 77.362853][ T5293] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 77.363677][ T5293] btrfs_run_delayed_refs+0x124/0x46c [ 77.364436][ T5293] btrfs_commit_transaction+0x1b8/0x3044 [ 77.365256][ T5293] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.366007][ T5293] btrfs_ioctl+0x5f0/0xb38 [ 77.366641][ T5293] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.367331][ T5293] invoke_syscall+0x98/0x2b8 [ 77.368029][ T5293] el0_svc_common+0x138/0x258 [ 77.368743][ T5293] do_el0_svc+0x58/0x14c [ 77.369391][ T5293] el0_svc+0x78/0x1e0 [ 77.370011][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 77.370868][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 77.376396][ T5293] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 77.378525][ T5293] ------------[ cut here ]------------ [ 77.379556][ T5293] WARNING: CPU: 1 PID: 5293 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.381019][ T5293] Modules linked in: [ 77.381679][ T5293] CPU: 1 PID: 5293 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 77.383053][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.384693][ T5293] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.385821][ T5293] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.386653][ T5293] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.387506][ T5293] sp : ffff8000208f77d0 [ 77.388211][ T5293] x29: ffff8000208f77e0 x28: ffff0000d9198000 x27: dfff800000000000 [ 77.389480][ T5293] x26: ffff0000d9198024 x25: ffff0000ebc88000 x24: 1fffe0001bcebd29 [ 77.390719][ T5293] x23: 1fffe0001bcebd29 x22: ffff0000de75e948 x21: 00000000fffffff4 [ 77.391977][ T5293] x20: 0000000000000051 x19: ffff0000de75e8f0 x18: 0000000000000001 [ 77.393096][ T5293] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.394369][ T5293] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.395678][ T5293] x11: 0000000000000000 x10: 0000000000000000 x9 : 63049d5662191000 [ 77.396805][ T5293] x8 : 63049d5662191000 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.397983][ T5293] x5 : ffff8000208f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.399160][ T5293] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.400343][ T5293] Call trace: [ 77.400833][ T5293] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.401758][ T5293] btrfs_commit_transaction+0x1b8/0x3044 [ 77.402590][ T5293] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.403447][ T5293] btrfs_ioctl+0x5f0/0xb38 [ 77.404165][ T5293] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.404871][ T5293] invoke_syscall+0x98/0x2b8 [ 77.405547][ T5293] el0_svc_common+0x138/0x258 [ 77.406240][ T5293] do_el0_svc+0x58/0x14c [ 77.406835][ T5293] el0_svc+0x78/0x1e0 [ 77.407443][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 77.408238][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 77.408962][ T5293] irq event stamp: 80018 [ 77.409660][ T5293] hardirqs last enabled at (80017): [] __up_console_sem+0xb4/0x100 [ 77.411093][ T5293] hardirqs last disabled at (80018): [] el1_dbg+0x24/0x80 [ 77.412540][ T5293] softirqs last enabled at (79980): [] handle_softirqs+0xa4c/0xbf0 [ 77.413962][ T5293] softirqs last disabled at (79963): [] __irq_exit_rcu+0x240/0x440 [ 77.415360][ T5293] ---[ end trace 86ac53f5acd3afdd ]--- [ 77.416453][ T5293] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.417856][ T5293] BTRFS info (device loop0): forced readonly [ 77.497058][ T266] team0 (unregistering): Port device team_slave_1 removed [ 77.511876][ T266] team0 (unregistering): Port device team_slave_0 removed [ 77.515905][ T266] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.556787][ T266] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.565639][ T5317] loop0: detected capacity change from 0 to 32768 [ 77.613238][ T5157] Bluetooth: hci0: command 0x041b tx timeout [ 77.656808][ T266] bond0 (unregistering): Released all slaves [ 77.663929][ T5317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5317) [ 77.704226][ T5317] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.705648][ T5317] BTRFS info (device loop0): using free space tree [ 77.706653][ T5317] BTRFS info (device loop0): has skinny extents [ 77.716065][ T5317] BTRFS info (device loop0): enabling ssd optimizations [ 77.719330][ T5317] FAULT_INJECTION: forcing a failure. [ 77.719330][ T5317] name failslab, interval 1, probability 0, space 0, times 0 [ 77.721387][ T5317] CPU: 0 PID: 5317 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 77.722611][ T5317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.724213][ T5317] Call trace: [ 77.724719][ T5317] dump_backtrace+0x0/0x43c [ 77.725472][ T5317] show_stack+0x2c/0x3c [ 77.726077][ T5317] __dump_stack+0x30/0x40 [ 77.726746][ T5317] dump_stack_lvl+0xf8/0x160 [ 77.727516][ T5317] dump_stack+0x1c/0x5c [ 77.728208][ T5317] should_fail+0x3c0/0x51c [ 77.728916][ T5317] __should_failslab+0xbc/0x10c [ 77.729604][ T5317] should_failslab+0x10/0x28 [ 77.730317][ T5317] slab_pre_alloc_hook+0x64/0xec [ 77.731107][ T5317] kmem_cache_alloc+0x94/0x3e4 [ 77.731864][ T5317] btrfs_alloc_path+0x5c/0x68 [ 77.732562][ T5317] __btrfs_run_delayed_refs+0xd70/0x3354 [ 77.733448][ T5317] btrfs_run_delayed_refs+0x124/0x46c [ 77.734270][ T5317] btrfs_commit_transaction+0x1b8/0x3044 [ 77.735185][ T5317] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.736041][ T5317] btrfs_ioctl+0x5f0/0xb38 [ 77.736704][ T5317] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.737491][ T5317] invoke_syscall+0x98/0x2b8 [ 77.738121][ T5317] el0_svc_common+0x138/0x258 [ 77.738774][ T5317] do_el0_svc+0x58/0x14c [ 77.739451][ T5317] el0_svc+0x78/0x1e0 [ 77.740079][ T5317] el0t_64_sync_handler+0xcc/0xe4 [ 77.740832][ T5317] el0t_64_sync+0x1a0/0x1a4 [ 77.743085][ T5317] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 77.745678][ T5317] ------------[ cut here ]------------ [ 77.751402][ T5317] WARNING: CPU: 0 PID: 5317 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.752934][ T5317] Modules linked in: [ 77.753531][ T5317] CPU: 0 PID: 5317 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 77.754766][ T5317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.756269][ T5317] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.757426][ T5317] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.758182][ T5317] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.759112][ T5317] sp : ffff8000209077d0 [ 77.759761][ T5317] x29: ffff8000209077e0 x28: ffff0000cc900000 x27: dfff800000000000 [ 77.761050][ T5317] x26: ffff0000cc900024 x25: ffff0000ebcbc000 x24: 1fffe0001bcebd55 [ 77.762227][ T5317] x23: 1fffe0001bcebd55 x22: ffff0000de75eaa8 x21: 00000000fffffff4 [ 77.763533][ T5317] x20: 0000000000000051 x19: ffff0000de75ea50 x18: 0000000000000001 [ 77.764893][ T5317] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.766113][ T5317] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.767406][ T5317] x11: 0000000000000000 x10: 0000000000000000 x9 : 796560f227ae0500 [ 77.768710][ T5317] x8 : 796560f227ae0500 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.770006][ T5317] x5 : ffff8000209070b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.771440][ T5317] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.772691][ T5317] Call trace: [ 77.773224][ T5317] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.774111][ T5317] btrfs_commit_transaction+0x1b8/0x3044 [ 77.775027][ T5317] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.775848][ T5317] btrfs_ioctl+0x5f0/0xb38 [ 77.776536][ T5317] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.777338][ T5317] invoke_syscall+0x98/0x2b8 [ 77.778070][ T5317] el0_svc_common+0x138/0x258 [ 77.778845][ T5317] do_el0_svc+0x58/0x14c [ 77.779527][ T5317] el0_svc+0x78/0x1e0 [ 77.780226][ T5317] el0t_64_sync_handler+0xcc/0xe4 [ 77.781020][ T5317] el0t_64_sync+0x1a0/0x1a4 [ 77.781785][ T5317] irq event stamp: 79536 [ 77.782479][ T5317] hardirqs last enabled at (79535): [] __up_console_sem+0xb4/0x100 [ 77.784066][ T5317] hardirqs last disabled at (79536): [] el1_dbg+0x24/0x80 [ 77.785490][ T5317] softirqs last enabled at (79484): [] handle_softirqs+0xa4c/0xbf0 [ 77.787034][ T5317] softirqs last disabled at (79465): [] __irq_exit_rcu+0x240/0x440 [ 77.788439][ T5317] ---[ end trace 86ac53f5acd3afde ]--- [ 77.792678][ T5317] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.794382][ T5317] BTRFS info (device loop0): forced readonly [ 77.925599][ T5339] loop0: detected capacity change from 0 to 32768 [ 77.964219][ T5339] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5339) [ 78.006188][ T5339] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.007560][ T5339] BTRFS info (device loop0): using free space tree [ 78.008641][ T5339] BTRFS info (device loop0): has skinny extents [ 78.016498][ T5339] BTRFS info (device loop0): enabling ssd optimizations [ 78.019803][ T5339] FAULT_INJECTION: forcing a failure. [ 78.019803][ T5339] name failslab, interval 1, probability 0, space 0, times 0 [ 78.021885][ T5339] CPU: 0 PID: 5339 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 78.023129][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.024645][ T5339] Call trace: [ 78.025075][ T5339] dump_backtrace+0x0/0x43c [ 78.025786][ T5339] show_stack+0x2c/0x3c [ 78.026404][ T5339] __dump_stack+0x30/0x40 [ 78.027128][ T5339] dump_stack_lvl+0xf8/0x160 [ 78.027767][ T5339] dump_stack+0x1c/0x5c [ 78.028357][ T5339] should_fail+0x3c0/0x51c [ 78.029036][ T5339] __should_failslab+0xbc/0x10c [ 78.029783][ T5339] should_failslab+0x10/0x28 [ 78.030522][ T5339] slab_pre_alloc_hook+0x64/0xec [ 78.031263][ T5339] kmem_cache_alloc+0x94/0x3e4 [ 78.032061][ T5339] btrfs_alloc_path+0x5c/0x68 [ 78.032773][ T5339] __btrfs_free_extent+0x19c/0x1aa4 [ 78.033693][ T5339] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 78.034692][ T5339] btrfs_run_delayed_refs+0x124/0x46c [ 78.035461][ T5339] btrfs_commit_transaction+0x1b8/0x3044 [ 78.036299][ T5339] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.037054][ T5339] btrfs_ioctl+0x5f0/0xb38 [ 78.037738][ T5339] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.038527][ T5339] invoke_syscall+0x98/0x2b8 [ 78.039177][ T5339] el0_svc_common+0x138/0x258 [ 78.039933][ T5339] do_el0_svc+0x58/0x14c [ 78.040627][ T5339] el0_svc+0x78/0x1e0 [ 78.041271][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 78.042058][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 78.043509][ T5339] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 78.045660][ T5339] ------------[ cut here ]------------ [ 78.046594][ T5339] WARNING: CPU: 1 PID: 5339 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.048042][ T5339] Modules linked in: [ 78.048698][ T5339] CPU: 1 PID: 5339 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 78.050047][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.051540][ T5339] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.052821][ T5339] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.053773][ T5339] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.054658][ T5339] sp : ffff8000209277d0 [ 78.055368][ T5339] x29: ffff8000209277e0 x28: ffff0000c2beb000 x27: dfff800000000000 [ 78.056579][ T5339] x26: ffff0000c2beb024 x25: ffff0000cabd4000 x24: 1fffe0001bcebd6b [ 78.057745][ T5339] x23: 1fffe0001bcebd6b x22: ffff0000de75eb58 x21: 00000000fffffff4 [ 78.058994][ T5339] x20: 0000000000000051 x19: ffff0000de75eb00 x18: 0000000000000001 [ 78.060233][ T5339] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 78.061412][ T5339] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.062554][ T5339] x11: 0000000000000000 x10: 0000000000000000 x9 : 8ae2f59a0485d900 [ 78.063743][ T5339] x8 : 8ae2f59a0485d900 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.064974][ T5339] x5 : ffff8000209270b8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 78.066101][ T5339] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.067463][ T5339] Call trace: [ 78.068026][ T5339] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.068804][ T5339] btrfs_commit_transaction+0x1b8/0x3044 [ 78.069634][ T5339] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.070425][ T5339] btrfs_ioctl+0x5f0/0xb38 [ 78.071098][ T5339] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.071819][ T5339] invoke_syscall+0x98/0x2b8 [ 78.072538][ T5339] el0_svc_common+0x138/0x258 [ 78.073334][ T5339] do_el0_svc+0x58/0x14c [ 78.074018][ T5339] el0_svc+0x78/0x1e0 [ 78.074650][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 78.075380][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 78.076067][ T5339] irq event stamp: 79334 [ 78.076676][ T5339] hardirqs last enabled at (79333): [] __up_console_sem+0xb4/0x100 [ 78.078100][ T5339] hardirqs last disabled at (79334): [] el1_dbg+0x24/0x80 [ 78.079459][ T5339] softirqs last enabled at (79302): [] handle_softirqs+0xa4c/0xbf0 [ 78.080820][ T5339] softirqs last disabled at (79269): [] __irq_exit_rcu+0x240/0x440 [ 78.082215][ T5339] ---[ end trace 86ac53f5acd3afdf ]--- [ 78.084609][ T5339] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.086026][ T5339] BTRFS info (device loop0): forced readonly [ 78.217528][ T5361] loop0: detected capacity change from 0 to 32768 [ 78.255499][ T5361] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5361) [ 78.258458][ T5361] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.259865][ T5361] BTRFS info (device loop0): using free space tree [ 78.260945][ T5361] BTRFS info (device loop0): has skinny extents [ 78.269910][ T5361] BTRFS info (device loop0): enabling ssd optimizations [ 78.273410][ T5361] FAULT_INJECTION: forcing a failure. [ 78.273410][ T5361] name failslab, interval 1, probability 0, space 0, times 0 [ 78.275406][ T5361] CPU: 1 PID: 5361 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 78.276675][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.278278][ T5361] Call trace: [ 78.278824][ T5361] dump_backtrace+0x0/0x43c [ 78.279582][ T5361] show_stack+0x2c/0x3c [ 78.280159][ T5361] __dump_stack+0x30/0x40 [ 78.280808][ T5361] dump_stack_lvl+0xf8/0x160 [ 78.281484][ T5361] dump_stack+0x1c/0x5c [ 78.282068][ T5361] should_fail+0x3c0/0x51c [ 78.282694][ T5361] __should_failslab+0xbc/0x10c [ 78.283388][ T5361] should_failslab+0x10/0x28 [ 78.284045][ T5361] slab_pre_alloc_hook+0x64/0xec [ 78.284749][ T5361] kmem_cache_alloc+0x94/0x3e4 [ 78.285543][ T5361] btrfs_alloc_path+0x5c/0x68 [ 78.286338][ T5361] __btrfs_run_delayed_refs+0xd70/0x3354 [ 78.287219][ T5361] btrfs_run_delayed_refs+0x124/0x46c [ 78.288162][ T5361] btrfs_commit_transaction+0x1b8/0x3044 [ 78.289040][ T5361] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.289927][ T5361] btrfs_ioctl+0x5f0/0xb38 [ 78.290600][ T5361] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.291450][ T5361] invoke_syscall+0x98/0x2b8 [ 78.292166][ T5361] el0_svc_common+0x138/0x258 [ 78.292907][ T5361] do_el0_svc+0x58/0x14c [ 78.293594][ T5361] el0_svc+0x78/0x1e0 [ 78.294221][ T5361] el0t_64_sync_handler+0xcc/0xe4 [ 78.295043][ T5361] el0t_64_sync+0x1a0/0x1a4 [ 78.297885][ T5361] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 78.299687][ T5361] ------------[ cut here ]------------ [ 78.300526][ T5361] WARNING: CPU: 1 PID: 5361 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.301939][ T5361] Modules linked in: [ 78.302478][ T5361] CPU: 1 PID: 5361 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 78.303749][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.305194][ T5361] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.306366][ T5361] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.307260][ T5361] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.308127][ T5361] sp : ffff800020a577d0 [ 78.308810][ T5361] x29: ffff800020a577e0 x28: ffff0000c2be9000 x27: dfff800000000000 [ 78.310009][ T5361] x26: ffff0000c2be9024 x25: ffff0000c9e58000 x24: 1fffe0001bc92329 [ 78.311260][ T5361] x23: 1fffe0001bc92329 x22: ffff0000de491948 x21: 00000000fffffff4 [ 78.312514][ T5361] x20: 0000000000000051 x19: ffff0000de4918f0 x18: 0000000000000001 [ 78.313742][ T5361] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.314916][ T5361] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.316140][ T5361] x11: 0000000000000000 x10: 0000000000000000 x9 : 449e26bedfcf5500 [ 78.317388][ T5361] x8 : 449e26bedfcf5500 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.318606][ T5361] x5 : ffff800020a570b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.319837][ T5361] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.321154][ T5361] Call trace: [ 78.321616][ T5361] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.322482][ T5361] btrfs_commit_transaction+0x1b8/0x3044 [ 78.323366][ T5361] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.324176][ T5361] btrfs_ioctl+0x5f0/0xb38 [ 78.324866][ T5361] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.325635][ T5361] invoke_syscall+0x98/0x2b8 [ 78.326297][ T5361] el0_svc_common+0x138/0x258 [ 78.326985][ T5361] do_el0_svc+0x58/0x14c [ 78.327639][ T5361] el0_svc+0x78/0x1e0 [ 78.328292][ T5361] el0t_64_sync_handler+0xcc/0xe4 [ 78.329162][ T5361] el0t_64_sync+0x1a0/0x1a4 [ 78.329903][ T5361] irq event stamp: 79148 [ 78.330524][ T5361] hardirqs last enabled at (79147): [] __up_console_sem+0xb4/0x100 [ 78.332020][ T5361] hardirqs last disabled at (79148): [] el1_dbg+0x24/0x80 [ 78.333200][ T5361] softirqs last enabled at (79114): [] handle_softirqs+0xa4c/0xbf0 [ 78.334569][ T5361] softirqs last disabled at (79101): [] __irq_exit_rcu+0x240/0x440 [ 78.335888][ T5361] ---[ end trace 86ac53f5acd3afe0 ]--- [ 78.339626][ T5361] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.341207][ T5361] BTRFS info (device loop0): forced readonly [ 78.479728][ T5383] loop0: detected capacity change from 0 to 32768 [ 78.486911][ T5383] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5383) [ 78.491296][ T5383] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.492688][ T5383] BTRFS info (device loop0): using free space tree [ 78.494149][ T5383] BTRFS info (device loop0): has skinny extents [ 78.503470][ T5383] BTRFS info (device loop0): enabling ssd optimizations [ 78.506833][ T5383] FAULT_INJECTION: forcing a failure. [ 78.506833][ T5383] name failslab, interval 1, probability 0, space 0, times 0 [ 78.508791][ T5383] CPU: 0 PID: 5383 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 78.510043][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.511504][ T5383] Call trace: [ 78.511992][ T5383] dump_backtrace+0x0/0x43c [ 78.512642][ T5383] show_stack+0x2c/0x3c [ 78.513286][ T5383] __dump_stack+0x30/0x40 [ 78.513939][ T5383] dump_stack_lvl+0xf8/0x160 [ 78.514612][ T5383] dump_stack+0x1c/0x5c [ 78.515273][ T5383] should_fail+0x3c0/0x51c [ 78.515928][ T5383] __should_failslab+0xbc/0x10c [ 78.516664][ T5383] should_failslab+0x10/0x28 [ 78.517383][ T5383] slab_pre_alloc_hook+0x64/0xec [ 78.518166][ T5383] kmem_cache_alloc+0x94/0x3e4 [ 78.518912][ T5383] btrfs_alloc_path+0x5c/0x68 [ 78.519589][ T5383] __btrfs_run_delayed_refs+0xd70/0x3354 [ 78.520401][ T5383] btrfs_run_delayed_refs+0x124/0x46c [ 78.521215][ T5383] btrfs_commit_transaction+0x1b8/0x3044 [ 78.522056][ T5383] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.522864][ T5383] btrfs_ioctl+0x5f0/0xb38 [ 78.523540][ T5383] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.524236][ T5383] invoke_syscall+0x98/0x2b8 [ 78.524876][ T5383] el0_svc_common+0x138/0x258 [ 78.525540][ T5383] do_el0_svc+0x58/0x14c [ 78.526253][ T5383] el0_svc+0x78/0x1e0 [ 78.526876][ T5383] el0t_64_sync_handler+0xcc/0xe4 [ 78.527732][ T5383] el0t_64_sync+0x1a0/0x1a4 [ 78.530442][ T5383] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 78.532400][ T5383] ------------[ cut here ]------------ [ 78.533404][ T5383] WARNING: CPU: 0 PID: 5383 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.534944][ T5383] Modules linked in: [ 78.535510][ T5383] CPU: 0 PID: 5383 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 78.536716][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.538201][ T5383] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.539364][ T5383] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.540236][ T5383] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.541123][ T5383] sp : ffff80001f2a77d0 [ 78.541735][ T5383] x29: ffff80001f2a77e0 x28: ffff0000c9848000 x27: dfff800000000000 [ 78.542968][ T5383] x26: ffff0000c9848024 x25: ffff0000cac6c000 x24: 1fffe0001bcebc0b [ 78.544139][ T5383] x23: 1fffe0001bcebc0b x22: ffff0000de75e058 x21: 00000000fffffff4 [ 78.545432][ T5383] x20: 0000000000000051 x19: ffff0000de75e000 x18: 0000000000000001 [ 78.546770][ T5383] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 78.547980][ T5383] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.549147][ T5383] x11: 0000000000000000 x10: 0000000000000000 x9 : 36c8ca817e4bdf00 [ 78.550348][ T5383] x8 : 36c8ca817e4bdf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.551522][ T5383] x5 : ffff80001f2a70b8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 78.552686][ T5383] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.553898][ T5383] Call trace: [ 78.554350][ T5383] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.555160][ T5383] btrfs_commit_transaction+0x1b8/0x3044 [ 78.556018][ T5383] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.556840][ T5383] btrfs_ioctl+0x5f0/0xb38 [ 78.557470][ T5383] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.558151][ T5383] invoke_syscall+0x98/0x2b8 [ 78.558877][ T5383] el0_svc_common+0x138/0x258 [ 78.559614][ T5383] do_el0_svc+0x58/0x14c [ 78.560238][ T5383] el0_svc+0x78/0x1e0 [ 78.560819][ T5383] el0t_64_sync_handler+0xcc/0xe4 [ 78.561601][ T5383] el0t_64_sync+0x1a0/0x1a4 [ 78.562293][ T5383] irq event stamp: 78830 [ 78.562920][ T5383] hardirqs last enabled at (78829): [] __up_console_sem+0xb4/0x100 [ 78.564371][ T5383] hardirqs last disabled at (78830): [] el1_dbg+0x24/0x80 [ 78.565692][ T5383] softirqs last enabled at (78820): [] handle_softirqs+0xa4c/0xbf0 [ 78.567091][ T5383] softirqs last disabled at (78809): [] __irq_exit_rcu+0x240/0x440 [ 78.568447][ T5383] ---[ end trace 86ac53f5acd3afe1 ]--- [ 78.569590][ T5383] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.571011][ T5383] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:18 executed programs: 16 [ 78.704511][ T5405] loop0: detected capacity change from 0 to 32768 [ 78.767868][ T5405] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5405) [ 78.772146][ T5405] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.773634][ T5405] BTRFS info (device loop0): using free space tree [ 78.774678][ T5405] BTRFS info (device loop0): has skinny extents [ 78.781692][ T5405] BTRFS info (device loop0): enabling ssd optimizations [ 78.785306][ T5405] FAULT_INJECTION: forcing a failure. [ 78.785306][ T5405] name failslab, interval 1, probability 0, space 0, times 0 [ 78.787263][ T5405] CPU: 0 PID: 5405 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 78.788661][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.790210][ T5405] Call trace: [ 78.790664][ T5405] dump_backtrace+0x0/0x43c [ 78.791383][ T5405] show_stack+0x2c/0x3c [ 78.791956][ T5405] __dump_stack+0x30/0x40 [ 78.792726][ T5405] dump_stack_lvl+0xf8/0x160 [ 78.793480][ T5405] dump_stack+0x1c/0x5c [ 78.794167][ T5405] should_fail+0x3c0/0x51c [ 78.794890][ T5405] __should_failslab+0xbc/0x10c [ 78.795645][ T5405] should_failslab+0x10/0x28 [ 78.796321][ T5405] slab_pre_alloc_hook+0x64/0xec [ 78.797130][ T5405] kmem_cache_alloc+0x94/0x3e4 [ 78.797854][ T5405] btrfs_alloc_path+0x5c/0x68 [ 78.798604][ T5405] __btrfs_run_delayed_refs+0xd70/0x3354 [ 78.799475][ T5405] btrfs_run_delayed_refs+0x124/0x46c [ 78.800278][ T5405] btrfs_commit_transaction+0x1b8/0x3044 [ 78.801146][ T5405] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.801995][ T5405] btrfs_ioctl+0x5f0/0xb38 [ 78.802674][ T5405] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.803457][ T5405] invoke_syscall+0x98/0x2b8 [ 78.804149][ T5405] el0_svc_common+0x138/0x258 [ 78.804861][ T5405] do_el0_svc+0x58/0x14c [ 78.805533][ T5405] el0_svc+0x78/0x1e0 [ 78.806155][ T5405] el0t_64_sync_handler+0xcc/0xe4 [ 78.806923][ T5405] el0t_64_sync+0x1a0/0x1a4 [ 78.807755][ T5405] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 78.810189][ T5405] ------------[ cut here ]------------ [ 78.811081][ T5405] WARNING: CPU: 0 PID: 5405 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.812499][ T5405] Modules linked in: [ 78.813046][ T5405] CPU: 0 PID: 5405 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 78.814274][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.815683][ T5405] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.816831][ T5405] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.817658][ T5405] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.818560][ T5405] sp : ffff800020d577d0 [ 78.819189][ T5405] x29: ffff800020d577e0 x28: ffff0000c1882000 x27: dfff800000000000 [ 78.820377][ T5405] x26: ffff0000c1882024 x25: ffff0000d19e8000 x24: 1fffe0001bcebd97 [ 78.821570][ T5405] x23: 1fffe0001bcebd97 x22: ffff0000de75ecb8 x21: 00000000fffffff4 [ 78.822867][ T5405] x20: 0000000000000051 x19: ffff0000de75ec60 x18: 0000000000000001 [ 78.824133][ T5405] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.825388][ T5405] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.826698][ T5405] x11: 0000000000000000 x10: 0000000000000000 x9 : 13b2d1973d148300 [ 78.827898][ T5405] x8 : 13b2d1973d148300 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.829194][ T5405] x5 : ffff800020d570b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.830401][ T5405] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.831578][ T5405] Call trace: [ 78.832046][ T5405] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.832849][ T5405] btrfs_commit_transaction+0x1b8/0x3044 [ 78.833731][ T5405] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.834629][ T5405] btrfs_ioctl+0x5f0/0xb38 [ 78.835363][ T5405] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.836162][ T5405] invoke_syscall+0x98/0x2b8 [ 78.836815][ T5405] el0_svc_common+0x138/0x258 [ 78.837530][ T5405] do_el0_svc+0x58/0x14c [ 78.838207][ T5405] el0_svc+0x78/0x1e0 [ 78.838828][ T5405] el0t_64_sync_handler+0xcc/0xe4 [ 78.839604][ T5405] el0t_64_sync+0x1a0/0x1a4 [ 78.840257][ T5405] irq event stamp: 78782 [ 78.840891][ T5405] hardirqs last enabled at (78781): [] __up_console_sem+0xb4/0x100 [ 78.842405][ T5405] hardirqs last disabled at (78782): [] el1_dbg+0x24/0x80 [ 78.843779][ T5405] softirqs last enabled at (78736): [] handle_softirqs+0xa4c/0xbf0 [ 78.845133][ T5405] softirqs last disabled at (78715): [] __irq_exit_rcu+0x240/0x440 [ 78.846602][ T5405] ---[ end trace 86ac53f5acd3afe2 ]--- [ 78.848984][ T5405] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.850401][ T5405] BTRFS info (device loop0): forced readonly [ 78.988978][ T5427] loop0: detected capacity change from 0 to 32768 [ 78.996982][ T5427] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5427) [ 79.001289][ T5427] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.002739][ T5427] BTRFS info (device loop0): using free space tree [ 79.004040][ T5427] BTRFS info (device loop0): has skinny extents [ 79.016850][ T5427] BTRFS info (device loop0): enabling ssd optimizations [ 79.020393][ T5427] FAULT_INJECTION: forcing a failure. [ 79.020393][ T5427] name failslab, interval 1, probability 0, space 0, times 0 [ 79.022345][ T5427] CPU: 0 PID: 5427 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 79.023624][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.025092][ T5427] Call trace: [ 79.025557][ T5427] dump_backtrace+0x0/0x43c [ 79.026300][ T5427] show_stack+0x2c/0x3c [ 79.026935][ T5427] __dump_stack+0x30/0x40 [ 79.027589][ T5427] dump_stack_lvl+0xf8/0x160 [ 79.028302][ T5427] dump_stack+0x1c/0x5c [ 79.028993][ T5427] should_fail+0x3c0/0x51c [ 79.029708][ T5427] __should_failslab+0xbc/0x10c [ 79.030418][ T5427] should_failslab+0x10/0x28 [ 79.031101][ T5427] slab_pre_alloc_hook+0x64/0xec [ 79.031861][ T5427] kmem_cache_alloc+0x94/0x3e4 [ 79.032676][ T5427] btrfs_alloc_path+0x5c/0x68 [ 79.033433][ T5427] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.034280][ T5427] btrfs_run_delayed_refs+0x124/0x46c [ 79.035137][ T5427] btrfs_commit_transaction+0x1b8/0x3044 [ 79.036080][ T5427] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.037012][ T5427] btrfs_ioctl+0x5f0/0xb38 [ 79.037755][ T5427] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.038553][ T5427] invoke_syscall+0x98/0x2b8 [ 79.039193][ T5427] el0_svc_common+0x138/0x258 [ 79.039906][ T5427] do_el0_svc+0x58/0x14c [ 79.040505][ T5427] el0_svc+0x78/0x1e0 [ 79.041080][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 79.041777][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 79.043704][ T5427] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.045756][ T5427] ------------[ cut here ]------------ [ 79.046602][ T5427] WARNING: CPU: 1 PID: 5427 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.047942][ T5427] Modules linked in: [ 79.048526][ T5427] CPU: 1 PID: 5427 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 79.049754][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.051164][ T5427] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.052414][ T5427] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.053277][ T5427] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.054127][ T5427] sp : ffff80001f2877d0 [ 79.054751][ T5427] x29: ffff80001f2877e0 x28: ffff0000c1885000 x27: dfff800000000000 [ 79.055965][ T5427] x26: ffff0000c1885024 x25: ffff0000daa28000 x24: 1fffe0001bcebc63 [ 79.057168][ T5427] x23: 1fffe0001bcebc63 x22: ffff0000de75e318 x21: 00000000fffffff4 [ 79.058423][ T5427] x20: 0000000000000051 x19: ffff0000de75e2c0 x18: 0000000000000001 [ 79.059555][ T5427] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.060767][ T5427] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.061935][ T5427] x11: 0000000000000000 x10: 0000000000000000 x9 : cc943b4dd75c7500 [ 79.063155][ T5427] x8 : cc943b4dd75c7500 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.064465][ T5427] x5 : ffff80001f2870b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.065765][ T5427] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.067027][ T5427] Call trace: [ 79.067594][ T5427] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.068461][ T5427] btrfs_commit_transaction+0x1b8/0x3044 [ 79.069317][ T5427] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.070167][ T5427] btrfs_ioctl+0x5f0/0xb38 [ 79.070878][ T5427] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.071642][ T5427] invoke_syscall+0x98/0x2b8 [ 79.072387][ T5427] el0_svc_common+0x138/0x258 [ 79.073155][ T5427] do_el0_svc+0x58/0x14c [ 79.073750][ T5427] el0_svc+0x78/0x1e0 [ 79.074343][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 79.075131][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 79.075790][ T5427] irq event stamp: 79520 [ 79.076492][ T5427] hardirqs last enabled at (79519): [] __up_console_sem+0xb4/0x100 [ 79.077909][ T5427] hardirqs last disabled at (79520): [] el1_dbg+0x24/0x80 [ 79.079169][ T5427] softirqs last enabled at (79486): [] handle_softirqs+0xa4c/0xbf0 [ 79.080821][ T5427] softirqs last disabled at (79469): [] __irq_exit_rcu+0x240/0x440 [ 79.082289][ T5427] ---[ end trace 86ac53f5acd3afe3 ]--- [ 79.083973][ T5427] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.086015][ T5427] BTRFS info (device loop0): forced readonly [ 79.252497][ T5449] loop0: detected capacity change from 0 to 32768 [ 79.357423][ T5449] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5449) [ 79.361893][ T5449] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.363409][ T5449] BTRFS info (device loop0): using free space tree [ 79.364364][ T5449] BTRFS info (device loop0): has skinny extents [ 79.475873][ T5449] BTRFS info (device loop0): enabling ssd optimizations [ 79.479128][ T5449] FAULT_INJECTION: forcing a failure. [ 79.479128][ T5449] name failslab, interval 1, probability 0, space 0, times 0 [ 79.481311][ T5449] CPU: 0 PID: 5449 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 79.482711][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.484188][ T5449] Call trace: [ 79.484636][ T5449] dump_backtrace+0x0/0x43c [ 79.485343][ T5449] show_stack+0x2c/0x3c [ 79.486015][ T5449] __dump_stack+0x30/0x40 [ 79.486653][ T5449] dump_stack_lvl+0xf8/0x160 [ 79.487363][ T5449] dump_stack+0x1c/0x5c [ 79.487992][ T5449] should_fail+0x3c0/0x51c [ 79.488636][ T5449] __should_failslab+0xbc/0x10c [ 79.489367][ T5449] should_failslab+0x10/0x28 [ 79.490063][ T5449] slab_pre_alloc_hook+0x64/0xec [ 79.490823][ T5449] kmem_cache_alloc+0x94/0x3e4 [ 79.491626][ T5449] btrfs_alloc_path+0x5c/0x68 [ 79.492382][ T5449] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.493321][ T5449] btrfs_run_delayed_refs+0x124/0x46c [ 79.494245][ T5449] btrfs_commit_transaction+0x1b8/0x3044 [ 79.495215][ T5449] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.496028][ T5449] btrfs_ioctl+0x5f0/0xb38 [ 79.496670][ T5449] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.497439][ T5449] invoke_syscall+0x98/0x2b8 [ 79.498124][ T5449] el0_svc_common+0x138/0x258 [ 79.498871][ T5449] do_el0_svc+0x58/0x14c [ 79.499526][ T5449] el0_svc+0x78/0x1e0 [ 79.500132][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 79.500915][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 79.505925][ T5449] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.507934][ T5449] ------------[ cut here ]------------ [ 79.508921][ T5449] WARNING: CPU: 0 PID: 5449 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.510419][ T5449] Modules linked in: [ 79.510972][ T5449] CPU: 0 PID: 5449 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 79.512257][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.513717][ T5449] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.514831][ T5449] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.515696][ T5449] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.516566][ T5449] sp : ffff8000210777d0 [ 79.517187][ T5449] x29: ffff8000210777e0 x28: ffff0000c1883000 x27: dfff800000000000 [ 79.518348][ T5449] x26: ffff0000c1883024 x25: ffff0000d134c000 x24: 1fffe0001bcebca5 [ 79.519524][ T5449] x23: 1fffe0001bcebca5 x22: ffff0000de75e528 x21: 00000000fffffff4 [ 79.520643][ T5449] x20: 0000000000000051 x19: ffff0000de75e4d0 x18: 0000000000000001 [ 79.521757][ T5449] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.522991][ T5449] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.524231][ T5449] x11: 0000000000000000 x10: 0000000000000000 x9 : e74b7b9e27a8d200 [ 79.525468][ T5449] x8 : e74b7b9e27a8d200 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.526694][ T5449] x5 : ffff8000210770b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.527892][ T5449] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.529136][ T5449] Call trace: [ 79.529623][ T5449] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.530383][ T5449] btrfs_commit_transaction+0x1b8/0x3044 [ 79.531183][ T5449] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.532000][ T5449] btrfs_ioctl+0x5f0/0xb38 [ 79.532618][ T5449] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.533390][ T5449] invoke_syscall+0x98/0x2b8 [ 79.534126][ T5449] el0_svc_common+0x138/0x258 [ 79.534880][ T5449] do_el0_svc+0x58/0x14c [ 79.535557][ T5449] el0_svc+0x78/0x1e0 [ 79.536135][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 79.536858][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 79.537645][ T5449] irq event stamp: 79252 [ 79.538287][ T5449] hardirqs last enabled at (79251): [] __up_console_sem+0xb4/0x100 [ 79.539758][ T5449] hardirqs last disabled at (79252): [] el1_dbg+0x24/0x80 [ 79.541063][ T5449] softirqs last enabled at (79218): [] handle_softirqs+0xa4c/0xbf0 [ 79.542497][ T5449] softirqs last disabled at (79201): [] __irq_exit_rcu+0x240/0x440 [ 79.543914][ T5449] ---[ end trace 86ac53f5acd3afe4 ]--- [ 79.546936][ T5449] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.548490][ T5449] BTRFS info (device loop0): forced readonly [ 79.693421][ T5156] Bluetooth: hci0: command 0x040f tx timeout [ 79.722439][ T5471] loop0: detected capacity change from 0 to 32768 [ 79.775351][ T5471] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5471) [ 79.782899][ T5471] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.784701][ T5471] BTRFS info (device loop0): using free space tree [ 79.785707][ T5471] BTRFS info (device loop0): has skinny extents [ 79.813595][ T5471] BTRFS info (device loop0): enabling ssd optimizations [ 79.816717][ T5471] FAULT_INJECTION: forcing a failure. [ 79.816717][ T5471] name failslab, interval 1, probability 0, space 0, times 0 [ 79.818553][ T5471] CPU: 1 PID: 5471 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 79.819723][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.821133][ T5471] Call trace: [ 79.821615][ T5471] dump_backtrace+0x0/0x43c [ 79.822305][ T5471] show_stack+0x2c/0x3c [ 79.822945][ T5471] __dump_stack+0x30/0x40 [ 79.823583][ T5471] dump_stack_lvl+0xf8/0x160 [ 79.824288][ T5471] dump_stack+0x1c/0x5c [ 79.824956][ T5471] should_fail+0x3c0/0x51c [ 79.825633][ T5471] __should_failslab+0xbc/0x10c [ 79.826338][ T5471] should_failslab+0x10/0x28 [ 79.827042][ T5471] slab_pre_alloc_hook+0x64/0xec [ 79.827772][ T5471] kmem_cache_alloc+0x94/0x3e4 [ 79.828530][ T5471] btrfs_alloc_path+0x5c/0x68 [ 79.829276][ T5471] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.830079][ T5471] btrfs_run_delayed_refs+0x124/0x46c [ 79.830880][ T5471] btrfs_commit_transaction+0x1b8/0x3044 [ 79.831718][ T5471] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.832509][ T5471] btrfs_ioctl+0x5f0/0xb38 [ 79.833144][ T5471] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.833911][ T5471] invoke_syscall+0x98/0x2b8 [ 79.834605][ T5471] el0_svc_common+0x138/0x258 [ 79.835311][ T5471] do_el0_svc+0x58/0x14c [ 79.836022][ T5471] el0_svc+0x78/0x1e0 [ 79.836659][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 79.837465][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 79.838944][ T5471] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.840820][ T5471] ------------[ cut here ]------------ [ 79.841733][ T5471] WARNING: CPU: 1 PID: 5471 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.843244][ T5471] Modules linked in: [ 79.843851][ T5471] CPU: 1 PID: 5471 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 79.845196][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.846603][ T5471] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.847664][ T5471] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.848531][ T5471] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.849369][ T5471] sp : ffff8000210777d0 [ 79.850025][ T5471] x29: ffff8000210777e0 x28: ffff0000c2bee000 x27: dfff800000000000 [ 79.851364][ T5471] x26: ffff0000c2bee024 x25: ffff0000e65e4000 x24: 1fffe0001bc9233f [ 79.852590][ T5471] x23: 1fffe0001bc9233f x22: ffff0000de4919f8 x21: 00000000fffffff4 [ 79.853754][ T5471] x20: 0000000000000051 x19: ffff0000de4919a0 x18: 0000000000000001 [ 79.854944][ T5471] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.856201][ T5471] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.857439][ T5471] x11: 0000000000000000 x10: 0000000000000000 x9 : c9ca86ce8bb6ef00 [ 79.858652][ T5471] x8 : c9ca86ce8bb6ef00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.859863][ T5471] x5 : ffff8000210770b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.861019][ T5471] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.862164][ T5471] Call trace: [ 79.862617][ T5471] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.863505][ T5471] btrfs_commit_transaction+0x1b8/0x3044 [ 79.864432][ T5471] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.865297][ T5471] btrfs_ioctl+0x5f0/0xb38 [ 79.866002][ T5471] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.866783][ T5471] invoke_syscall+0x98/0x2b8 [ 79.867472][ T5471] el0_svc_common+0x138/0x258 [ 79.868177][ T5471] do_el0_svc+0x58/0x14c [ 79.868857][ T5471] el0_svc+0x78/0x1e0 [ 79.869423][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 79.870183][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 79.870851][ T5471] irq event stamp: 79418 [ 79.871520][ T5471] hardirqs last enabled at (79417): [] __up_console_sem+0xb4/0x100 [ 79.872940][ T5471] hardirqs last disabled at (79418): [] el1_dbg+0x24/0x80 [ 79.874181][ T5471] softirqs last enabled at (79384): [] handle_softirqs+0xa4c/0xbf0 [ 79.875684][ T5471] softirqs last disabled at (79365): [] __irq_exit_rcu+0x240/0x440 [ 79.877156][ T5471] ---[ end trace 86ac53f5acd3afe5 ]--- [ 79.879443][ T5471] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.880890][ T5471] BTRFS info (device loop0): forced readonly [ 80.010236][ T5493] loop0: detected capacity change from 0 to 32768 [ 80.012272][ T5493] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5493) [ 80.015774][ T5493] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.017145][ T5493] BTRFS info (device loop0): using free space tree [ 80.018195][ T5493] BTRFS info (device loop0): has skinny extents [ 80.033359][ T5493] BTRFS info (device loop0): enabling ssd optimizations [ 80.036523][ T5493] FAULT_INJECTION: forcing a failure. [ 80.036523][ T5493] name failslab, interval 1, probability 0, space 0, times 0 [ 80.038478][ T5493] CPU: 1 PID: 5493 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 80.039706][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.041181][ T5493] Call trace: [ 80.041638][ T5493] dump_backtrace+0x0/0x43c [ 80.042282][ T5493] show_stack+0x2c/0x3c [ 80.042903][ T5493] __dump_stack+0x30/0x40 [ 80.043583][ T5493] dump_stack_lvl+0xf8/0x160 [ 80.044288][ T5493] dump_stack+0x1c/0x5c [ 80.044917][ T5493] should_fail+0x3c0/0x51c [ 80.045597][ T5493] __should_failslab+0xbc/0x10c [ 80.046382][ T5493] should_failslab+0x10/0x28 [ 80.047066][ T5493] slab_pre_alloc_hook+0x64/0xec [ 80.047849][ T5493] kmem_cache_alloc+0x94/0x3e4 [ 80.048606][ T5493] btrfs_alloc_path+0x5c/0x68 [ 80.049331][ T5493] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.050252][ T5493] btrfs_run_delayed_refs+0x124/0x46c [ 80.051011][ T5493] btrfs_commit_transaction+0x1b8/0x3044 [ 80.051909][ T5493] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.052698][ T5493] btrfs_ioctl+0x5f0/0xb38 [ 80.053302][ T5493] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.054007][ T5493] invoke_syscall+0x98/0x2b8 [ 80.054669][ T5493] el0_svc_common+0x138/0x258 [ 80.055329][ T5493] do_el0_svc+0x58/0x14c [ 80.055988][ T5493] el0_svc+0x78/0x1e0 [ 80.056565][ T5493] el0t_64_sync_handler+0xcc/0xe4 [ 80.057383][ T5493] el0t_64_sync+0x1a0/0x1a4 [ 80.058218][ T5493] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.060137][ T5493] ------------[ cut here ]------------ [ 80.061099][ T5493] WARNING: CPU: 1 PID: 5493 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.062586][ T5493] Modules linked in: [ 80.063153][ T5493] CPU: 1 PID: 5493 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 80.064311][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.065912][ T5493] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.067130][ T5493] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.068029][ T5493] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.068871][ T5493] sp : ffff8000210777d0 [ 80.069474][ T5493] x29: ffff8000210777e0 x28: ffff0000c2bed000 x27: dfff800000000000 [ 80.070789][ T5493] x26: ffff0000c2bed024 x25: ffff0000e65e4000 x24: 1fffe0001bc9236b [ 80.071980][ T5493] x23: 1fffe0001bc9236b x22: ffff0000de491b58 x21: 00000000fffffff4 [ 80.073181][ T5493] x20: 0000000000000051 x19: ffff0000de491b00 x18: 0000000000000001 [ 80.074446][ T5493] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.075691][ T5493] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.076953][ T5493] x11: 0000000000000000 x10: 0000000000000000 x9 : 9d254e768f9db100 [ 80.078257][ T5493] x8 : 9d254e768f9db100 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.079521][ T5493] x5 : ffff8000210770b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.080804][ T5493] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.082035][ T5493] Call trace: [ 80.082489][ T5493] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.083261][ T5493] btrfs_commit_transaction+0x1b8/0x3044 [ 80.084044][ T5493] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.084911][ T5493] btrfs_ioctl+0x5f0/0xb38 [ 80.085627][ T5493] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.086377][ T5493] invoke_syscall+0x98/0x2b8 [ 80.087048][ T5493] el0_svc_common+0x138/0x258 [ 80.087782][ T5493] do_el0_svc+0x58/0x14c [ 80.088451][ T5493] el0_svc+0x78/0x1e0 [ 80.089072][ T5493] el0t_64_sync_handler+0xcc/0xe4 [ 80.089819][ T5493] el0t_64_sync+0x1a0/0x1a4 [ 80.090533][ T5493] irq event stamp: 79296 [ 80.091160][ T5493] hardirqs last enabled at (79295): [] __up_console_sem+0xb4/0x100 [ 80.092581][ T5493] hardirqs last disabled at (79296): [] el1_dbg+0x24/0x80 [ 80.093849][ T5493] softirqs last enabled at (79262): [] handle_softirqs+0xa4c/0xbf0 [ 80.095209][ T5493] softirqs last disabled at (79249): [] __irq_exit_rcu+0x240/0x440 [ 80.096680][ T5493] ---[ end trace 86ac53f5acd3afe6 ]--- [ 80.098166][ T5493] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.099695][ T5493] BTRFS info (device loop0): forced readonly [ 80.283252][ T5514] loop0: detected capacity change from 0 to 32768 [ 80.328019][ T5514] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5514) [ 80.332207][ T5514] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.335952][ T5514] BTRFS info (device loop0): using free space tree [ 80.337033][ T5514] BTRFS info (device loop0): has skinny extents [ 80.344466][ T5514] BTRFS info (device loop0): enabling ssd optimizations [ 80.348047][ T5514] FAULT_INJECTION: forcing a failure. [ 80.348047][ T5514] name failslab, interval 1, probability 0, space 0, times 0 [ 80.349936][ T5514] CPU: 1 PID: 5514 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 80.351237][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.352758][ T5514] Call trace: [ 80.353263][ T5514] dump_backtrace+0x0/0x43c [ 80.353938][ T5514] show_stack+0x2c/0x3c [ 80.354590][ T5514] __dump_stack+0x30/0x40 [ 80.355256][ T5514] dump_stack_lvl+0xf8/0x160 [ 80.355934][ T5514] dump_stack+0x1c/0x5c [ 80.356544][ T5514] should_fail+0x3c0/0x51c [ 80.357206][ T5514] __should_failslab+0xbc/0x10c [ 80.357999][ T5514] should_failslab+0x10/0x28 [ 80.358797][ T5514] slab_pre_alloc_hook+0x64/0xec [ 80.359567][ T5514] kmem_cache_alloc+0x94/0x3e4 [ 80.360273][ T5514] btrfs_alloc_path+0x5c/0x68 [ 80.360935][ T5514] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.361782][ T5514] btrfs_run_delayed_refs+0x124/0x46c [ 80.362579][ T5514] btrfs_commit_transaction+0x1b8/0x3044 [ 80.363375][ T5514] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.364202][ T5514] btrfs_ioctl+0x5f0/0xb38 [ 80.364853][ T5514] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.365567][ T5514] invoke_syscall+0x98/0x2b8 [ 80.366225][ T5514] el0_svc_common+0x138/0x258 [ 80.366912][ T5514] do_el0_svc+0x58/0x14c [ 80.367520][ T5514] el0_svc+0x78/0x1e0 [ 80.368096][ T5514] el0t_64_sync_handler+0xcc/0xe4 [ 80.368824][ T5514] el0t_64_sync+0x1a0/0x1a4 [ 80.370401][ T5514] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.372556][ T5514] ------------[ cut here ]------------ [ 80.373596][ T5514] WARNING: CPU: 1 PID: 5514 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.375236][ T5514] Modules linked in: [ 80.375892][ T5514] CPU: 1 PID: 5514 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 80.377306][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.378791][ T5514] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.379925][ T5514] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.380800][ T5514] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.381658][ T5514] sp : ffff8000211877d0 [ 80.382343][ T5514] x29: ffff8000211877e0 x28: ffff0000c984d000 x27: dfff800000000000 [ 80.383446][ T5514] x26: ffff0000c984d024 x25: ffff0000e65e4000 x24: 1fffe0001bc92381 [ 80.384658][ T5514] x23: 1fffe0001bc92381 x22: ffff0000de491c08 x21: 00000000fffffff4 [ 80.385790][ T5514] x20: 0000000000000051 x19: ffff0000de491bb0 x18: 0000000000000001 [ 80.386924][ T5514] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 80.388216][ T5514] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.389338][ T5514] x11: 0000000000000000 x10: 0000000000000000 x9 : 463f9526725a9400 [ 80.390523][ T5514] x8 : 463f9526725a9400 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.391676][ T5514] x5 : ffff8000211870b8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 80.392781][ T5514] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.394081][ T5514] Call trace: [ 80.394612][ T5514] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.395404][ T5514] btrfs_commit_transaction+0x1b8/0x3044 [ 80.396243][ T5514] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.397015][ T5514] btrfs_ioctl+0x5f0/0xb38 [ 80.397646][ T5514] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.398453][ T5514] invoke_syscall+0x98/0x2b8 [ 80.399131][ T5514] el0_svc_common+0x138/0x258 [ 80.399853][ T5514] do_el0_svc+0x58/0x14c [ 80.400487][ T5514] el0_svc+0x78/0x1e0 [ 80.401045][ T5514] el0t_64_sync_handler+0xcc/0xe4 [ 80.401806][ T5514] el0t_64_sync+0x1a0/0x1a4 [ 80.402477][ T5514] irq event stamp: 79266 [ 80.403127][ T5514] hardirqs last enabled at (79265): [] __up_console_sem+0xb4/0x100 [ 80.404540][ T5514] hardirqs last disabled at (79266): [] el1_dbg+0x24/0x80 [ 80.405768][ T5514] softirqs last enabled at (79256): [] handle_softirqs+0xa4c/0xbf0 [ 80.407229][ T5514] softirqs last disabled at (79247): [] __irq_exit_rcu+0x240/0x440 [ 80.408651][ T5514] ---[ end trace 86ac53f5acd3afe7 ]--- [ 80.410023][ T5514] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.411405][ T5514] BTRFS info (device loop0): forced readonly [ 80.538241][ T5536] loop0: detected capacity change from 0 to 32768 [ 80.637635][ T5536] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5536) [ 80.640921][ T5536] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.642381][ T5536] BTRFS info (device loop0): using free space tree [ 80.643771][ T5536] BTRFS info (device loop0): has skinny extents [ 80.660531][ T5536] BTRFS info (device loop0): enabling ssd optimizations [ 80.664621][ T5536] FAULT_INJECTION: forcing a failure. [ 80.664621][ T5536] name failslab, interval 1, probability 0, space 0, times 0 [ 80.666591][ T5536] CPU: 0 PID: 5536 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 80.667936][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.669386][ T5536] Call trace: [ 80.669849][ T5536] dump_backtrace+0x0/0x43c [ 80.670479][ T5536] show_stack+0x2c/0x3c [ 80.671064][ T5536] __dump_stack+0x30/0x40 [ 80.671657][ T5536] dump_stack_lvl+0xf8/0x160 [ 80.672340][ T5536] dump_stack+0x1c/0x5c [ 80.672924][ T5536] should_fail+0x3c0/0x51c [ 80.673579][ T5536] __should_failslab+0xbc/0x10c [ 80.674335][ T5536] should_failslab+0x10/0x28 [ 80.674990][ T5536] slab_pre_alloc_hook+0x64/0xec [ 80.675713][ T5536] kmem_cache_alloc+0x94/0x3e4 [ 80.676397][ T5536] start_transaction+0x4d0/0x13f0 [ 80.677146][ T5536] btrfs_start_transaction+0x34/0x44 [ 80.677943][ T5536] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 80.678798][ T5536] btrfs_ioctl+0x5f0/0xb38 [ 80.679524][ T5536] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.680258][ T5536] invoke_syscall+0x98/0x2b8 [ 80.681021][ T5536] el0_svc_common+0x138/0x258 [ 80.681740][ T5536] do_el0_svc+0x58/0x14c [ 80.682368][ T5536] el0_svc+0x78/0x1e0 [ 80.682935][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 80.683668][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 80.742379][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4948) [ 80.826122][ T5557] loop0: detected capacity change from 0 to 32768 [ 80.905076][ T5557] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.906544][ T5557] BTRFS info (device loop0): using free space tree [ 80.907488][ T5557] BTRFS info (device loop0): has skinny extents [ 80.917954][ T5557] BTRFS info (device loop0): enabling ssd optimizations [ 80.924515][ T5557] FAULT_INJECTION: forcing a failure. [ 80.924515][ T5557] name failslab, interval 1, probability 0, space 0, times 0 [ 80.926725][ T5557] CPU: 0 PID: 5557 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 80.928067][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.929641][ T5557] Call trace: [ 80.930163][ T5557] dump_backtrace+0x0/0x43c [ 80.930870][ T5557] show_stack+0x2c/0x3c [ 80.931494][ T5557] __dump_stack+0x30/0x40 [ 80.932202][ T5557] dump_stack_lvl+0xf8/0x160 [ 80.932955][ T5557] dump_stack+0x1c/0x5c [ 80.933586][ T5557] should_fail+0x3c0/0x51c [ 80.934286][ T5557] __should_failslab+0xbc/0x10c [ 80.935033][ T5557] should_failslab+0x10/0x28 [ 80.935638][ T5557] slab_pre_alloc_hook+0x64/0xec [ 80.936340][ T5557] kmem_cache_alloc+0x94/0x3e4 [ 80.937021][ T5557] btrfs_alloc_path+0x5c/0x68 [ 80.937658][ T5557] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.938418][ T5557] btrfs_run_delayed_refs+0x124/0x46c [ 80.939150][ T5557] btrfs_commit_transaction+0x1b8/0x3044 [ 80.939919][ T5557] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.940673][ T5557] btrfs_ioctl+0x5f0/0xb38 [ 80.941282][ T5557] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.942070][ T5557] invoke_syscall+0x98/0x2b8 [ 80.942723][ T5557] el0_svc_common+0x138/0x258 [ 80.943431][ T5557] do_el0_svc+0x58/0x14c [ 80.944047][ T5557] el0_svc+0x78/0x1e0 [ 80.944600][ T5557] el0t_64_sync_handler+0xcc/0xe4 [ 80.945283][ T5557] el0t_64_sync+0x1a0/0x1a4 [ 80.953222][ T5557] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.955272][ T5557] ------------[ cut here ]------------ [ 80.956157][ T5557] WARNING: CPU: 1 PID: 5557 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.957717][ T5557] Modules linked in: [ 80.958317][ T5557] CPU: 1 PID: 5557 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 80.959656][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.961253][ T5557] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.962528][ T5557] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.963344][ T5557] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.964220][ T5557] sp : ffff8000211377d0 [ 80.964849][ T5557] x29: ffff8000211377e0 x28: ffff0000c984f000 x27: dfff800000000000 [ 80.966032][ T5557] x26: ffff0000c984f024 x25: ffff0000ebd20000 x24: 1fffe0001bcebd29 [ 80.967200][ T5557] x23: 1fffe0001bcebd29 x22: ffff0000de75e948 x21: 00000000fffffff4 [ 80.968301][ T5557] x20: 0000000000000051 x19: ffff0000de75e8f0 x18: 0000000000000001 [ 80.969463][ T5557] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.970569][ T5557] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.971738][ T5557] x11: 0000000000000000 x10: 0000000000000000 x9 : 47bbfefa91d0be00 [ 80.972938][ T5557] x8 : 47bbfefa91d0be00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.974158][ T5557] x5 : ffff8000211370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.975398][ T5557] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.976663][ T5557] Call trace: [ 80.977177][ T5557] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.978080][ T5557] btrfs_commit_transaction+0x1b8/0x3044 [ 80.979019][ T5557] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.979810][ T5557] btrfs_ioctl+0x5f0/0xb38 [ 80.980567][ T5557] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.981389][ T5557] invoke_syscall+0x98/0x2b8 [ 80.982199][ T5557] el0_svc_common+0x138/0x258 [ 80.982926][ T5557] do_el0_svc+0x58/0x14c [ 80.983559][ T5557] el0_svc+0x78/0x1e0 [ 80.984142][ T5557] el0t_64_sync_handler+0xcc/0xe4 [ 80.984881][ T5557] el0t_64_sync+0x1a0/0x1a4 [ 80.985489][ T5557] irq event stamp: 79722 [ 80.986217][ T5557] hardirqs last enabled at (79721): [] __up_console_sem+0xb4/0x100 [ 80.987638][ T5557] hardirqs last disabled at (79722): [] el1_dbg+0x24/0x80 [ 80.988987][ T5557] softirqs last enabled at (79688): [] handle_softirqs+0xa4c/0xbf0 [ 80.990511][ T5557] softirqs last disabled at (79663): [] __irq_exit_rcu+0x240/0x440 [ 80.991860][ T5557] ---[ end trace 86ac53f5acd3afe8 ]--- [ 80.999751][ T5557] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.001360][ T5557] BTRFS info (device loop0): forced readonly [ 81.052689][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4948) [ 81.141293][ T5579] loop0: detected capacity change from 0 to 32768 [ 81.185669][ T5579] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.187052][ T5579] BTRFS info (device loop0): using free space tree [ 81.188006][ T5579] BTRFS info (device loop0): has skinny extents [ 81.195646][ T5579] BTRFS info (device loop0): enabling ssd optimizations [ 81.199094][ T5579] FAULT_INJECTION: forcing a failure. [ 81.199094][ T5579] name failslab, interval 1, probability 0, space 0, times 0 [ 81.201004][ T5579] CPU: 1 PID: 5579 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 81.202380][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.204001][ T5579] Call trace: [ 81.204464][ T5579] dump_backtrace+0x0/0x43c [ 81.205179][ T5579] show_stack+0x2c/0x3c [ 81.205805][ T5579] __dump_stack+0x30/0x40 [ 81.206442][ T5579] dump_stack_lvl+0xf8/0x160 [ 81.207152][ T5579] dump_stack+0x1c/0x5c [ 81.207878][ T5579] should_fail+0x3c0/0x51c [ 81.208563][ T5579] __should_failslab+0xbc/0x10c [ 81.209298][ T5579] should_failslab+0x10/0x28 [ 81.210014][ T5579] slab_pre_alloc_hook+0x64/0xec [ 81.210802][ T5579] kmem_cache_alloc+0x94/0x3e4 [ 81.211486][ T5579] btrfs_alloc_path+0x5c/0x68 [ 81.212133][ T5579] __btrfs_free_extent+0x19c/0x1aa4 [ 81.212949][ T5579] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 81.213869][ T5579] btrfs_run_delayed_refs+0x124/0x46c [ 81.214653][ T5579] btrfs_commit_transaction+0x1b8/0x3044 [ 81.215433][ T5579] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.216217][ T5579] btrfs_ioctl+0x5f0/0xb38 [ 81.216890][ T5579] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.217654][ T5579] invoke_syscall+0x98/0x2b8 [ 81.218368][ T5579] el0_svc_common+0x138/0x258 [ 81.219049][ T5579] do_el0_svc+0x58/0x14c [ 81.219686][ T5579] el0_svc+0x78/0x1e0 [ 81.220291][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 81.221082][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 81.222650][ T5579] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 81.224769][ T5579] ------------[ cut here ]------------ [ 81.225703][ T5579] WARNING: CPU: 1 PID: 5579 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.227272][ T5579] Modules linked in: [ 81.227823][ T5579] CPU: 1 PID: 5579 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 81.229202][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.230762][ T5579] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.232042][ T5579] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.232943][ T5579] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.233921][ T5579] sp : ffff8000211377d0 [ 81.234519][ T5579] x29: ffff8000211377e0 x28: ffff0000cf27f000 x27: dfff800000000000 [ 81.235788][ T5579] x26: ffff0000cf27f024 x25: ffff0000cd814000 x24: 1fffe0001bc923c3 [ 81.237020][ T5579] x23: 1fffe0001bc923c3 x22: ffff0000de491e18 x21: 00000000fffffff4 [ 81.238320][ T5579] x20: 0000000000000051 x19: ffff0000de491dc0 x18: 0000000000000001 [ 81.239711][ T5579] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.241056][ T5579] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.242440][ T5579] x11: 0000000000000000 x10: 0000000000000000 x9 : a9b967c903fe3e00 [ 81.243766][ T5579] x8 : a9b967c903fe3e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.244998][ T5579] x5 : ffff8000211370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.246207][ T5579] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.247567][ T5579] Call trace: [ 81.248171][ T5579] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.249069][ T5579] btrfs_commit_transaction+0x1b8/0x3044 [ 81.249967][ T5579] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.250797][ T5579] btrfs_ioctl+0x5f0/0xb38 [ 81.251563][ T5579] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.252400][ T5579] invoke_syscall+0x98/0x2b8 [ 81.253157][ T5579] el0_svc_common+0x138/0x258 [ 81.253909][ T5579] do_el0_svc+0x58/0x14c [ 81.254612][ T5579] el0_svc+0x78/0x1e0 [ 81.255297][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 81.256170][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 81.256945][ T5579] irq event stamp: 79250 [ 81.257620][ T5579] hardirqs last enabled at (79249): [] __up_console_sem+0xb4/0x100 [ 81.259148][ T5579] hardirqs last disabled at (79250): [] el1_dbg+0x24/0x80 [ 81.260336][ T5579] softirqs last enabled at (79228): [] handle_softirqs+0xa4c/0xbf0 [ 81.261712][ T5579] softirqs last disabled at (79211): [] __irq_exit_rcu+0x240/0x440 [ 81.263027][ T5579] ---[ end trace 86ac53f5acd3afe9 ]--- [ 81.264948][ T5579] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.266386][ T5579] BTRFS info (device loop0): forced readonly [ 81.400003][ T5602] loop0: detected capacity change from 0 to 32768 [ 81.407407][ T5602] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5602) [ 81.411554][ T5602] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.413056][ T5602] BTRFS info (device loop0): using free space tree [ 81.414443][ T5602] BTRFS info (device loop0): has skinny extents [ 81.427767][ T5602] BTRFS info (device loop0): enabling ssd optimizations [ 81.431600][ T5602] FAULT_INJECTION: forcing a failure. [ 81.431600][ T5602] name failslab, interval 1, probability 0, space 0, times 0 [ 81.433718][ T5602] CPU: 0 PID: 5602 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 81.435030][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.436571][ T5602] Call trace: [ 81.437063][ T5602] dump_backtrace+0x0/0x43c [ 81.437850][ T5602] show_stack+0x2c/0x3c [ 81.438454][ T5602] __dump_stack+0x30/0x40 [ 81.439125][ T5602] dump_stack_lvl+0xf8/0x160 [ 81.439825][ T5602] dump_stack+0x1c/0x5c [ 81.440446][ T5602] should_fail+0x3c0/0x51c [ 81.441141][ T5602] __should_failslab+0xbc/0x10c [ 81.441832][ T5602] should_failslab+0x10/0x28 [ 81.442581][ T5602] slab_pre_alloc_hook+0x64/0xec [ 81.443427][ T5602] kmem_cache_alloc+0x94/0x3e4 [ 81.444161][ T5602] btrfs_alloc_path+0x5c/0x68 [ 81.444908][ T5602] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.445896][ T5602] btrfs_run_delayed_refs+0x124/0x46c [ 81.446868][ T5602] btrfs_commit_transaction+0x1b8/0x3044 [ 81.447716][ T5602] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.448544][ T5602] btrfs_ioctl+0x5f0/0xb38 [ 81.449199][ T5602] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.450013][ T5602] invoke_syscall+0x98/0x2b8 [ 81.450815][ T5602] el0_svc_common+0x138/0x258 [ 81.451581][ T5602] do_el0_svc+0x58/0x14c [ 81.452361][ T5602] el0_svc+0x78/0x1e0 [ 81.452997][ T5602] el0t_64_sync_handler+0xcc/0xe4 [ 81.453911][ T5602] el0t_64_sync+0x1a0/0x1a4 [ 81.455448][ T5602] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.457360][ T5602] ------------[ cut here ]------------ [ 81.458300][ T5602] WARNING: CPU: 0 PID: 5602 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.459852][ T5602] Modules linked in: [ 81.460451][ T5602] CPU: 0 PID: 5602 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 81.461827][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.463528][ T5602] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.464757][ T5602] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.465659][ T5602] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.466613][ T5602] sp : ffff8000211377d0 [ 81.467224][ T5602] x29: ffff8000211377e0 x28: ffff0000d7d52000 x27: dfff800000000000 [ 81.468410][ T5602] x26: ffff0000d7d52024 x25: ffff0000cd814000 x24: 1fffe0001bcebd3f [ 81.469595][ T5602] x23: 1fffe0001bcebd3f x22: ffff0000de75e9f8 x21: 00000000fffffff4 [ 81.470824][ T5602] x20: 0000000000000051 x19: ffff0000de75e9a0 x18: 0000000000000001 [ 81.472197][ T5602] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.473603][ T5602] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.474927][ T5602] x11: 0000000000000000 x10: 0000000000000000 x9 : 04336151d50e2800 [ 81.476264][ T5602] x8 : 04336151d50e2800 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.477594][ T5602] x5 : ffff8000211370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.478892][ T5602] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.480250][ T5602] Call trace: [ 81.480831][ T5602] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.481772][ T5602] btrfs_commit_transaction+0x1b8/0x3044 [ 81.482677][ T5602] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.483602][ T5602] btrfs_ioctl+0x5f0/0xb38 [ 81.484306][ T5602] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.485137][ T5602] invoke_syscall+0x98/0x2b8 [ 81.485933][ T5602] el0_svc_common+0x138/0x258 [ 81.486769][ T5602] do_el0_svc+0x58/0x14c [ 81.487514][ T5602] el0_svc+0x78/0x1e0 [ 81.488181][ T5602] el0t_64_sync_handler+0xcc/0xe4 [ 81.489020][ T5602] el0t_64_sync+0x1a0/0x1a4 [ 81.489764][ T5602] irq event stamp: 78808 [ 81.490468][ T5602] hardirqs last enabled at (78807): [] __up_console_sem+0xb4/0x100 [ 81.492098][ T5602] hardirqs last disabled at (78808): [] el1_dbg+0x24/0x80 [ 81.493482][ T5602] softirqs last enabled at (78774): [] handle_softirqs+0xa4c/0xbf0 [ 81.494997][ T5602] softirqs last disabled at (78753): [] __irq_exit_rcu+0x240/0x440 [ 81.496619][ T5602] ---[ end trace 86ac53f5acd3afea ]--- [ 81.498673][ T5602] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.502509][ T5602] BTRFS info (device loop0): forced readonly [ 81.635458][ T5624] loop0: detected capacity change from 0 to 32768 [ 81.639447][ T5624] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5624) [ 81.643512][ T5624] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.644917][ T5624] BTRFS info (device loop0): using free space tree [ 81.645915][ T5624] BTRFS info (device loop0): has skinny extents [ 81.657911][ T5624] BTRFS info (device loop0): enabling ssd optimizations [ 81.662174][ T5624] FAULT_INJECTION: forcing a failure. [ 81.662174][ T5624] name failslab, interval 1, probability 0, space 0, times 0 [ 81.664392][ T5624] CPU: 0 PID: 5624 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 81.665739][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.667348][ T5624] Call trace: [ 81.667835][ T5624] dump_backtrace+0x0/0x43c [ 81.668560][ T5624] show_stack+0x2c/0x3c [ 81.669219][ T5624] __dump_stack+0x30/0x40 [ 81.669884][ T5624] dump_stack_lvl+0xf8/0x160 [ 81.670667][ T5624] dump_stack+0x1c/0x5c [ 81.671332][ T5624] should_fail+0x3c0/0x51c [ 81.672040][ T5624] __should_failslab+0xbc/0x10c [ 81.672832][ T5624] should_failslab+0x10/0x28 [ 81.673547][ T5624] slab_pre_alloc_hook+0x64/0xec [ 81.674325][ T5624] kmem_cache_alloc+0x94/0x3e4 [ 81.675098][ T5624] btrfs_alloc_path+0x5c/0x68 [ 81.675795][ T5624] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.676667][ T5624] btrfs_run_delayed_refs+0x124/0x46c [ 81.677558][ T5624] btrfs_commit_transaction+0x1b8/0x3044 [ 81.678422][ T5624] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.679287][ T5624] btrfs_ioctl+0x5f0/0xb38 [ 81.680005][ T5624] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.680723][ T5624] invoke_syscall+0x98/0x2b8 [ 81.681450][ T5624] el0_svc_common+0x138/0x258 [ 81.682181][ T5624] do_el0_svc+0x58/0x14c [ 81.682831][ T5624] el0_svc+0x78/0x1e0 [ 81.683425][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 81.684192][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 81.685732][ T5624] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.687835][ T5624] ------------[ cut here ]------------ [ 81.688795][ T5624] WARNING: CPU: 0 PID: 5624 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.690412][ T5624] Modules linked in: [ 81.691008][ T5624] CPU: 0 PID: 5624 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 81.692293][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.693816][ T5624] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.695107][ T5624] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.696061][ T5624] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.697056][ T5624] sp : ffff8000217577d0 [ 81.697716][ T5624] x29: ffff8000217577e0 x28: ffff0000d5411000 x27: dfff800000000000 [ 81.698994][ T5624] x26: ffff0000d5411024 x25: ffff0000cd814000 x24: 1fffe0001bcebdd9 [ 81.700263][ T5624] x23: 1fffe0001bcebdd9 x22: ffff0000de75eec8 x21: 00000000fffffff4 [ 81.701557][ T5624] x20: 0000000000000051 x19: ffff0000de75ee70 x18: 0000000000000001 [ 81.702818][ T5624] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.704012][ T5624] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.705251][ T5624] x11: 0000000000000000 x10: 0000000000000000 x9 : 6524a7395c49d900 [ 81.706599][ T5624] x8 : 6524a7395c49d900 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.707803][ T5624] x5 : ffff8000217570b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.709027][ T5624] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.710306][ T5624] Call trace: [ 81.710842][ T5624] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.711679][ T5624] btrfs_commit_transaction+0x1b8/0x3044 [ 81.712572][ T5624] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.713415][ T5624] btrfs_ioctl+0x5f0/0xb38 [ 81.714114][ T5624] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.714933][ T5624] invoke_syscall+0x98/0x2b8 [ 81.715615][ T5624] el0_svc_common+0x138/0x258 [ 81.716322][ T5624] do_el0_svc+0x58/0x14c [ 81.716958][ T5624] el0_svc+0x78/0x1e0 [ 81.717537][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 81.718253][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 81.718912][ T5624] irq event stamp: 79116 [ 81.719522][ T5624] hardirqs last enabled at (79115): [] __up_console_sem+0xb4/0x100 [ 81.721005][ T5624] hardirqs last disabled at (79116): [] el1_dbg+0x24/0x80 [ 81.722386][ T5624] softirqs last enabled at (79082): [] handle_softirqs+0xa4c/0xbf0 [ 81.723930][ T5624] softirqs last disabled at (79041): [] __irq_exit_rcu+0x240/0x440 [ 81.725570][ T5624] ---[ end trace 86ac53f5acd3afeb ]--- [ 81.727344][ T5624] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.728849][ T5624] BTRFS info (device loop0): forced readonly [ 81.773302][ T4067] Bluetooth: hci0: command 0x0419 tx timeout [ 81.899279][ T5645] loop0: detected capacity change from 0 to 32768 [ 81.999688][ T5645] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5645) [ 82.020734][ T5645] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.022180][ T5645] BTRFS info (device loop0): using free space tree [ 82.023474][ T5645] BTRFS info (device loop0): has skinny extents [ 82.129238][ T5645] BTRFS info (device loop0): enabling ssd optimizations [ 82.132810][ T5645] FAULT_INJECTION: forcing a failure. [ 82.132810][ T5645] name failslab, interval 1, probability 0, space 0, times 0 [ 82.134966][ T5645] CPU: 0 PID: 5645 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 82.136234][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.137627][ T5645] Call trace: [ 82.138104][ T5645] dump_backtrace+0x0/0x43c [ 82.138772][ T5645] show_stack+0x2c/0x3c [ 82.139402][ T5645] __dump_stack+0x30/0x40 [ 82.140076][ T5645] dump_stack_lvl+0xf8/0x160 [ 82.140763][ T5645] dump_stack+0x1c/0x5c [ 82.141395][ T5645] should_fail+0x3c0/0x51c [ 82.142175][ T5645] __should_failslab+0xbc/0x10c [ 82.142967][ T5645] should_failslab+0x10/0x28 [ 82.143646][ T5645] slab_pre_alloc_hook+0x64/0xec [ 82.144439][ T5645] kmem_cache_alloc+0x94/0x3e4 [ 82.145285][ T5645] btrfs_alloc_path+0x5c/0x68 [ 82.146103][ T5645] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.147066][ T5645] btrfs_run_delayed_refs+0x124/0x46c [ 82.147946][ T5645] btrfs_commit_transaction+0x1b8/0x3044 [ 82.148851][ T5645] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.149740][ T5645] btrfs_ioctl+0x5f0/0xb38 [ 82.150445][ T5645] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.151223][ T5645] invoke_syscall+0x98/0x2b8 [ 82.151939][ T5645] el0_svc_common+0x138/0x258 [ 82.152656][ T5645] do_el0_svc+0x58/0x14c [ 82.153366][ T5645] el0_svc+0x78/0x1e0 [ 82.154064][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 82.154951][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 82.155839][ T5645] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.157887][ T5645] ------------[ cut here ]------------ [ 82.158781][ T5645] WARNING: CPU: 0 PID: 5645 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.160244][ T5645] Modules linked in: [ 82.160899][ T5645] CPU: 0 PID: 5645 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 82.162293][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.163965][ T5645] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.165215][ T5645] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.166142][ T5645] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.167027][ T5645] sp : ffff8000219077d0 [ 82.167668][ T5645] x29: ffff8000219077e0 x28: ffff0000dbbe5000 x27: dfff800000000000 [ 82.168989][ T5645] x26: ffff0000dbbe5024 x25: ffff0000d13d8000 x24: 1fffe0001bcebd6b [ 82.170272][ T5645] x23: 1fffe0001bcebd6b x22: ffff0000de75eb58 x21: 00000000fffffff4 [ 82.171721][ T5645] x20: 0000000000000051 x19: ffff0000de75eb00 x18: 0000000000000001 [ 82.173137][ T5645] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.174417][ T5645] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.175659][ T5645] x11: 0000000000000000 x10: 0000000000000000 x9 : 3736ce960c786900 [ 82.176920][ T5645] x8 : 3736ce960c786900 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.178151][ T5645] x5 : ffff8000219070b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.179469][ T5645] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.180831][ T5645] Call trace: [ 82.181388][ T5645] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.182307][ T5645] btrfs_commit_transaction+0x1b8/0x3044 [ 82.183201][ T5645] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.184047][ T5645] btrfs_ioctl+0x5f0/0xb38 [ 82.184751][ T5645] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.185522][ T5645] invoke_syscall+0x98/0x2b8 [ 82.186272][ T5645] el0_svc_common+0x138/0x258 [ 82.187069][ T5645] do_el0_svc+0x58/0x14c [ 82.187780][ T5645] el0_svc+0x78/0x1e0 [ 82.188408][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 82.189249][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 82.189965][ T5645] irq event stamp: 79076 [ 82.190680][ T5645] hardirqs last enabled at (79075): [] __up_console_sem+0xb4/0x100 [ 82.192338][ T5645] hardirqs last disabled at (79076): [] el1_dbg+0x24/0x80 [ 82.193865][ T5645] softirqs last enabled at (79042): [] handle_softirqs+0xa4c/0xbf0 [ 82.195412][ T5645] softirqs last disabled at (79025): [] __irq_exit_rcu+0x240/0x440 [ 82.196898][ T5645] ---[ end trace 86ac53f5acd3afec ]--- [ 82.199345][ T5645] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.200843][ T5645] BTRFS info (device loop0): forced readonly [ 82.381967][ T5668] loop0: detected capacity change from 0 to 32768 [ 82.389072][ T5668] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5668) [ 82.392413][ T5668] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.394677][ T5668] BTRFS info (device loop0): using free space tree [ 82.395684][ T5668] BTRFS info (device loop0): has skinny extents [ 82.414132][ T5668] BTRFS info (device loop0): enabling ssd optimizations [ 82.417708][ T5668] FAULT_INJECTION: forcing a failure. [ 82.417708][ T5668] name failslab, interval 1, probability 0, space 0, times 0 [ 82.419884][ T5668] CPU: 0 PID: 5668 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 82.421236][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.422843][ T5668] Call trace: [ 82.423360][ T5668] dump_backtrace+0x0/0x43c [ 82.424134][ T5668] show_stack+0x2c/0x3c [ 82.424786][ T5668] __dump_stack+0x30/0x40 [ 82.425480][ T5668] dump_stack_lvl+0xf8/0x160 [ 82.426165][ T5668] dump_stack+0x1c/0x5c [ 82.426815][ T5668] should_fail+0x3c0/0x51c [ 82.427507][ T5668] __should_failslab+0xbc/0x10c [ 82.428239][ T5668] should_failslab+0x10/0x28 [ 82.428996][ T5668] slab_pre_alloc_hook+0x64/0xec [ 82.429825][ T5668] kmem_cache_alloc+0x94/0x3e4 [ 82.430630][ T5668] btrfs_alloc_path+0x5c/0x68 [ 82.431390][ T5668] __btrfs_free_extent+0x19c/0x1aa4 [ 82.432204][ T5668] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 82.433089][ T5668] btrfs_run_delayed_refs+0x124/0x46c [ 82.433996][ T5668] btrfs_commit_transaction+0x1b8/0x3044 [ 82.434928][ T5668] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.435819][ T5668] btrfs_ioctl+0x5f0/0xb38 [ 82.436549][ T5668] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.437300][ T5668] invoke_syscall+0x98/0x2b8 [ 82.437996][ T5668] el0_svc_common+0x138/0x258 [ 82.438820][ T5668] do_el0_svc+0x58/0x14c [ 82.439493][ T5668] el0_svc+0x78/0x1e0 [ 82.440130][ T5668] el0t_64_sync_handler+0xcc/0xe4 [ 82.440936][ T5668] el0t_64_sync+0x1a0/0x1a4 [ 82.443072][ T5668] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 82.445179][ T5668] ------------[ cut here ]------------ [ 82.446350][ T5668] WARNING: CPU: 0 PID: 5668 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.447876][ T5668] Modules linked in: [ 82.448535][ T5668] CPU: 0 PID: 5668 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 82.449952][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.451580][ T5668] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.452834][ T5668] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.453732][ T5668] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.454714][ T5668] sp : ffff800021e177d0 [ 82.455361][ T5668] x29: ffff800021e177e0 x28: ffff0000dbbe6000 x27: dfff800000000000 [ 82.456560][ T5668] x26: ffff0000dbbe6024 x25: ffff0000d13d8000 x24: 1fffe0001bcebce7 [ 82.457844][ T5668] x23: 1fffe0001bcebce7 x22: ffff0000de75e738 x21: 00000000fffffff4 [ 82.459251][ T5668] x20: 0000000000000051 x19: ffff0000de75e6e0 x18: 0000000000000001 [ 82.460555][ T5668] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.461850][ T5668] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.463203][ T5668] x11: 0000000000000000 x10: 0000000000000000 x9 : b836bc813ad09600 [ 82.464432][ T5668] x8 : b836bc813ad09600 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.465821][ T5668] x5 : ffff800021e170b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.467110][ T5668] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.468362][ T5668] Call trace: [ 82.468910][ T5668] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.469774][ T5668] btrfs_commit_transaction+0x1b8/0x3044 [ 82.470632][ T5668] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.471468][ T5668] btrfs_ioctl+0x5f0/0xb38 [ 82.472246][ T5668] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.473021][ T5668] invoke_syscall+0x98/0x2b8 [ 82.473802][ T5668] el0_svc_common+0x138/0x258 [ 82.474545][ T5668] do_el0_svc+0x58/0x14c [ 82.475209][ T5668] el0_svc+0x78/0x1e0 [ 82.475798][ T5668] el0t_64_sync_handler+0xcc/0xe4 [ 82.476620][ T5668] el0t_64_sync+0x1a0/0x1a4 [ 82.477403][ T5668] irq event stamp: 78746 [ 82.478075][ T5668] hardirqs last enabled at (78745): [] __up_console_sem+0xb4/0x100 [ 82.479606][ T5668] hardirqs last disabled at (78746): [] el1_dbg+0x24/0x80 [ 82.481061][ T5668] softirqs last enabled at (78720): [] handle_softirqs+0xa4c/0xbf0 [ 82.482666][ T5668] softirqs last disabled at (78709): [] __irq_exit_rcu+0x240/0x440 [ 82.484184][ T5668] ---[ end trace 86ac53f5acd3afed ]--- [ 82.507658][ T5668] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.509281][ T5668] BTRFS info (device loop0): forced readonly [ 82.691569][ T5690] loop0: detected capacity change from 0 to 32768 [ 82.727045][ T5690] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5690) [ 82.731368][ T5690] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.732723][ T5690] BTRFS info (device loop0): using free space tree [ 82.734161][ T5690] BTRFS info (device loop0): has skinny extents [ 82.741139][ T5690] BTRFS info (device loop0): enabling ssd optimizations [ 82.744281][ T5690] FAULT_INJECTION: forcing a failure. [ 82.744281][ T5690] name failslab, interval 1, probability 0, space 0, times 0 [ 82.746332][ T5690] CPU: 0 PID: 5690 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 82.747638][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.749340][ T5690] Call trace: [ 82.749871][ T5690] dump_backtrace+0x0/0x43c [ 82.750579][ T5690] show_stack+0x2c/0x3c [ 82.751199][ T5690] __dump_stack+0x30/0x40 [ 82.751869][ T5690] dump_stack_lvl+0xf8/0x160 [ 82.752625][ T5690] dump_stack+0x1c/0x5c [ 82.753353][ T5690] should_fail+0x3c0/0x51c [ 82.754157][ T5690] __should_failslab+0xbc/0x10c [ 82.755032][ T5690] should_failslab+0x10/0x28 [ 82.755828][ T5690] slab_pre_alloc_hook+0x64/0xec [ 82.756654][ T5690] kmem_cache_alloc+0x94/0x3e4 [ 82.757396][ T5690] btrfs_alloc_path+0x5c/0x68 [ 82.758109][ T5690] __btrfs_free_extent+0x19c/0x1aa4 [ 82.759002][ T5690] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 82.759883][ T5690] btrfs_run_delayed_refs+0x124/0x46c [ 82.760699][ T5690] btrfs_commit_transaction+0x1b8/0x3044 [ 82.761596][ T5690] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.762442][ T5690] btrfs_ioctl+0x5f0/0xb38 [ 82.763102][ T5690] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.763872][ T5690] invoke_syscall+0x98/0x2b8 [ 82.764564][ T5690] el0_svc_common+0x138/0x258 [ 82.765248][ T5690] do_el0_svc+0x58/0x14c [ 82.765896][ T5690] el0_svc+0x78/0x1e0 [ 82.766572][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 82.767447][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 82.770069][ T5690] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 82.772034][ T5690] ------------[ cut here ]------------ [ 82.772911][ T5690] WARNING: CPU: 0 PID: 5690 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.774449][ T5690] Modules linked in: [ 82.775025][ T5690] CPU: 0 PID: 5690 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 82.776262][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.778061][ T5690] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.779375][ T5690] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.780355][ T5690] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.781325][ T5690] sp : ffff8000220777d0 [ 82.782021][ T5690] x29: ffff8000220777e0 x28: ffff0000dbbe3000 x27: dfff800000000000 [ 82.783313][ T5690] x26: ffff0000dbbe3024 x25: ffff0000d579c000 x24: 1fffe0001bcebc4d [ 82.784691][ T5690] x23: 1fffe0001bcebc4d x22: ffff0000de75e268 x21: 00000000fffffff4 [ 82.785989][ T5690] x20: 0000000000000051 x19: ffff0000de75e210 x18: 0000000000000001 [ 82.787313][ T5690] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.788553][ T5690] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.789794][ T5690] x11: 0000000000000000 x10: 0000000000000000 x9 : c530fdc758475000 [ 82.790974][ T5690] x8 : c530fdc758475000 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.792195][ T5690] x5 : ffff8000220770b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.793376][ T5690] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.794570][ T5690] Call trace: [ 82.795063][ T5690] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.795903][ T5690] btrfs_commit_transaction+0x1b8/0x3044 [ 82.796798][ T5690] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.797639][ T5690] btrfs_ioctl+0x5f0/0xb38 [ 82.798333][ T5690] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.799125][ T5690] invoke_syscall+0x98/0x2b8 [ 82.799881][ T5690] el0_svc_common+0x138/0x258 [ 82.800586][ T5690] do_el0_svc+0x58/0x14c [ 82.801284][ T5690] el0_svc+0x78/0x1e0 [ 82.801980][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 82.802822][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 82.803540][ T5690] irq event stamp: 78814 [ 82.804260][ T5690] hardirqs last enabled at (78813): [] __up_console_sem+0xb4/0x100 [ 82.805751][ T5690] hardirqs last disabled at (78814): [] el1_dbg+0x24/0x80 [ 82.807104][ T5690] softirqs last enabled at (78782): [] handle_softirqs+0xa4c/0xbf0 [ 82.808584][ T5690] softirqs last disabled at (78735): [] __irq_exit_rcu+0x240/0x440 [ 82.809985][ T5690] ---[ end trace 86ac53f5acd3afee ]--- [ 82.813520][ T5690] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.815137][ T5690] BTRFS info (device loop0): forced readonly [ 82.988695][ T5712] loop0: detected capacity change from 0 to 32768 [ 83.034310][ T5712] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5712) [ 83.037736][ T5712] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.039086][ T5712] BTRFS info (device loop0): using free space tree [ 83.040037][ T5712] BTRFS info (device loop0): has skinny extents [ 83.048179][ T5712] BTRFS info (device loop0): enabling ssd optimizations [ 83.051517][ T5712] FAULT_INJECTION: forcing a failure. [ 83.051517][ T5712] name failslab, interval 1, probability 0, space 0, times 0 [ 83.053670][ T5712] CPU: 1 PID: 5712 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 83.055003][ T5712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.056642][ T5712] Call trace: [ 83.057188][ T5712] dump_backtrace+0x0/0x43c [ 83.057870][ T5712] show_stack+0x2c/0x3c [ 83.058498][ T5712] __dump_stack+0x30/0x40 [ 83.059165][ T5712] dump_stack_lvl+0xf8/0x160 [ 83.059799][ T5712] dump_stack+0x1c/0x5c [ 83.060443][ T5712] should_fail+0x3c0/0x51c [ 83.061101][ T5712] __should_failslab+0xbc/0x10c [ 83.061807][ T5712] should_failslab+0x10/0x28 [ 83.062463][ T5712] slab_pre_alloc_hook+0x64/0xec [ 83.063196][ T5712] kmem_cache_alloc+0x94/0x3e4 [ 83.063901][ T5712] btrfs_alloc_path+0x5c/0x68 [ 83.064617][ T5712] __btrfs_run_delayed_refs+0xd70/0x3354 [ 83.065562][ T5712] btrfs_run_delayed_refs+0x124/0x46c [ 83.066457][ T5712] btrfs_commit_transaction+0x1b8/0x3044 [ 83.067443][ T5712] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.068403][ T5712] btrfs_ioctl+0x5f0/0xb38 [ 83.069089][ T5712] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.069855][ T5712] invoke_syscall+0x98/0x2b8 [ 83.070599][ T5712] el0_svc_common+0x138/0x258 [ 83.071330][ T5712] do_el0_svc+0x58/0x14c [ 83.072045][ T5712] el0_svc+0x78/0x1e0 [ 83.072709][ T5712] el0t_64_sync_handler+0xcc/0xe4 [ 83.073470][ T5712] el0t_64_sync+0x1a0/0x1a4 [ 83.074617][ T5712] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 83.076498][ T5712] ------------[ cut here ]------------ [ 83.077365][ T5712] WARNING: CPU: 1 PID: 5712 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 83.078836][ T5712] Modules linked in: [ 83.079389][ T5712] CPU: 1 PID: 5712 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 83.080658][ T5712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.082114][ T5712] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.083343][ T5712] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.084207][ T5712] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.085179][ T5712] sp : ffff8000220b77d0 [ 83.085890][ T5712] x29: ffff8000220b77e0 x28: ffff0000cf15e000 x27: dfff800000000000 [ 83.087245][ T5712] x26: ffff0000cf15e024 x25: ffff0000d8fd8000 x24: 1fffe0001bc92313 [ 83.088532][ T5712] x23: 1fffe0001bc92313 x22: ffff0000de491898 x21: 00000000fffffff4 [ 83.089768][ T5712] x20: 0000000000000051 x19: ffff0000de491840 x18: 0000000000000001 [ 83.091056][ T5712] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 83.092324][ T5712] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.093537][ T5712] x11: 0000000000000000 x10: 0000000000000000 x9 : 9fa53f3837b81400 [ 83.094723][ T5712] x8 : 9fa53f3837b81400 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.095887][ T5712] x5 : ffff8000220b70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 83.097150][ T5712] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.098365][ T5712] Call trace: [ 83.098928][ T5712] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.099795][ T5712] btrfs_commit_transaction+0x1b8/0x3044 [ 83.100679][ T5712] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.101582][ T5712] btrfs_ioctl+0x5f0/0xb38 [ 83.102272][ T5712] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.103030][ T5712] invoke_syscall+0x98/0x2b8 [ 83.103708][ T5712] el0_svc_common+0x138/0x258 [ 83.104402][ T5712] do_el0_svc+0x58/0x14c [ 83.105008][ T5712] el0_svc+0x78/0x1e0 [ 83.105600][ T5712] el0t_64_sync_handler+0xcc/0xe4 [ 83.106357][ T5712] el0t_64_sync+0x1a0/0x1a4 [ 83.106981][ T5712] irq event stamp: 79428 [ 83.107656][ T5712] hardirqs last enabled at (79427): [] __up_console_sem+0xb4/0x100 [ 83.109234][ T5712] hardirqs last disabled at (79428): [] el1_dbg+0x24/0x80 [ 83.110691][ T5712] softirqs last enabled at (79398): [] handle_softirqs+0xa4c/0xbf0 [ 83.112251][ T5712] softirqs last disabled at (79191): [] __irq_exit_rcu+0x240/0x440 [ 83.113880][ T5712] ---[ end trace 86ac53f5acd3afef ]--- [ 83.114970][ T5712] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 83.116537][ T5712] BTRFS info (device loop0): forced readonly [ 83.249045][ T5734] loop0: detected capacity change from 0 to 32768 [ 83.251698][ T5734] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5734) [ 83.256749][ T5734] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.258157][ T5734] BTRFS info (device loop0): using free space tree [ 83.259225][ T5734] BTRFS info (device loop0): has skinny extents [ 83.269105][ T5734] BTRFS info (device loop0): enabling ssd optimizations [ 83.272236][ T5734] FAULT_INJECTION: forcing a failure. [ 83.272236][ T5734] name failslab, interval 1, probability 0, space 0, times 0 [ 83.274650][ T5734] CPU: 1 PID: 5734 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 83.276082][ T5734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.277704][ T5734] Call trace: [ 83.278218][ T5734] dump_backtrace+0x0/0x43c [ 83.278948][ T5734] show_stack+0x2c/0x3c [ 83.279575][ T5734] __dump_stack+0x30/0x40 [ 83.280216][ T5734] dump_stack_lvl+0xf8/0x160 [ 83.280864][ T5734] dump_stack+0x1c/0x5c [ 83.281473][ T5734] should_fail+0x3c0/0x51c [ 83.282076][ T5734] __should_failslab+0xbc/0x10c [ 83.282802][ T5734] should_failslab+0x10/0x28 [ 83.283506][ T5734] slab_pre_alloc_hook+0x64/0xec [ 83.284282][ T5734] kmem_cache_alloc+0x94/0x3e4 [ 83.284990][ T5734] btrfs_alloc_path+0x5c/0x68 [ 83.285701][ T5734] __btrfs_run_delayed_refs+0xd70/0x3354 [ 83.286578][ T5734] btrfs_run_delayed_refs+0x124/0x46c [ 83.287443][ T5734] btrfs_commit_transaction+0x1b8/0x3044 [ 83.288339][ T5734] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.289280][ T5734] btrfs_ioctl+0x5f0/0xb38 [ 83.290024][ T5734] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.290805][ T5734] invoke_syscall+0x98/0x2b8 [ 83.291457][ T5734] el0_svc_common+0x138/0x258 [ 83.292140][ T5734] do_el0_svc+0x58/0x14c [ 83.292897][ T5734] el0_svc+0x78/0x1e0 [ 83.293545][ T5734] el0t_64_sync_handler+0xcc/0xe4 [ 83.294416][ T5734] el0t_64_sync+0x1a0/0x1a4 [ 83.296520][ T5734] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 83.298508][ T5734] ------------[ cut here ]------------ [ 83.299432][ T5734] WARNING: CPU: 1 PID: 5734 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 83.301014][ T5734] Modules linked in: [ 83.301679][ T5734] CPU: 1 PID: 5734 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 83.303102][ T5734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.304669][ T5734] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.305982][ T5734] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.306911][ T5734] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.307866][ T5734] sp : ffff8000220b77d0 [ 83.308578][ T5734] x29: ffff8000220b77e0 x28: ffff0000cf158000 x27: dfff800000000000 [ 83.309981][ T5734] x26: ffff0000cf158024 x25: ffff0000d8fd8000 x24: 1fffe0001bc923ef [ 83.311309][ T5734] x23: 1fffe0001bc923ef x22: ffff0000de491f78 x21: 00000000fffffff4 [ 83.312572][ T5734] x20: 0000000000000051 x19: ffff0000de491f20 x18: 0000000000000001 [ 83.313900][ T5734] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 83.315263][ T5734] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.316685][ T5734] x11: 0000000000000000 x10: 0000000000000000 x9 : 5c259f3d3a8f5e00 [ 83.318072][ T5734] x8 : 5c259f3d3a8f5e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.319537][ T5734] x5 : ffff8000220b70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 83.320822][ T5734] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.322101][ T5734] Call trace: [ 83.322643][ T5734] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.323519][ T5734] btrfs_commit_transaction+0x1b8/0x3044 [ 83.324497][ T5734] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.325477][ T5734] btrfs_ioctl+0x5f0/0xb38 [ 83.326240][ T5734] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.327115][ T5734] invoke_syscall+0x98/0x2b8 [ 83.327906][ T5734] el0_svc_common+0x138/0x258 [ 83.328720][ T5734] do_el0_svc+0x58/0x14c [ 83.329390][ T5734] el0_svc+0x78/0x1e0 [ 83.330009][ T5734] el0t_64_sync_handler+0xcc/0xe4 [ 83.330908][ T5734] el0t_64_sync+0x1a0/0x1a4 [ 83.331608][ T5734] irq event stamp: 78388 [ 83.332311][ T5734] hardirqs last enabled at (78387): [] __up_console_sem+0xb4/0x100 [ 83.333927][ T5734] hardirqs last disabled at (78388): [] el1_dbg+0x24/0x80 [ 83.335459][ T5734] softirqs last enabled at (78348): [] handle_softirqs+0xa4c/0xbf0 [ 83.337022][ T5734] softirqs last disabled at (78337): [] __irq_exit_rcu+0x240/0x440 [ 83.338548][ T5734] ---[ end trace 86ac53f5acd3aff0 ]--- [ 83.341392][ T5734] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 83.342999][ T5734] BTRFS info (device loop0): forced readonly [ 83.396378][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4948) [ 83.480869][ T5756] loop0: detected capacity change from 0 to 32768 [ 83.655154][ T5756] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.656650][ T5756] BTRFS info (device loop0): using free space tree [ 83.657541][ T5756] BTRFS info (device loop0): has skinny extents [ 83.681148][ T5756] BTRFS info (device loop0): enabling ssd optimizations [ 83.685862][ T5756] FAULT_INJECTION: forcing a failure. [ 83.685862][ T5756] name failslab, interval 1, probability 0, space 0, times 0 [ 83.687725][ T5756] CPU: 0 PID: 5756 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 83.689023][ T5756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.690602][ T5756] Call trace: [ 83.691121][ T5756] dump_backtrace+0x0/0x43c [ 83.691866][ T5756] show_stack+0x2c/0x3c [ 83.692613][ T5756] __dump_stack+0x30/0x40 [ 83.693330][ T5756] dump_stack_lvl+0xf8/0x160 [ 83.694049][ T5756] dump_stack+0x1c/0x5c [ 83.694732][ T5756] should_fail+0x3c0/0x51c [ 83.695457][ T5756] __should_failslab+0xbc/0x10c [ 83.696291][ T5756] should_failslab+0x10/0x28 [ 83.697024][ T5756] slab_pre_alloc_hook+0x64/0xec [ 83.697789][ T5756] kmem_cache_alloc+0x94/0x3e4 [ 83.698616][ T5756] btrfs_alloc_path+0x5c/0x68 [ 83.699343][ T5756] __btrfs_free_extent+0x19c/0x1aa4 [ 83.700111][ T5756] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 83.700992][ T5756] btrfs_run_delayed_refs+0x124/0x46c [ 83.701815][ T5756] btrfs_commit_transaction+0x1b8/0x3044 [ 83.702627][ T5756] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.703538][ T5756] btrfs_ioctl+0x5f0/0xb38 [ 83.704265][ T5756] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.705087][ T5756] invoke_syscall+0x98/0x2b8 [ 83.705829][ T5756] el0_svc_common+0x138/0x258 [ 83.706566][ T5756] do_el0_svc+0x58/0x14c [ 83.707325][ T5756] el0_svc+0x78/0x1e0 [ 83.707929][ T5756] el0t_64_sync_handler+0xcc/0xe4 [ 83.708686][ T5756] el0t_64_sync+0x1a0/0x1a4 [ 83.713437][ T5756] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 83.715358][ T5756] ------------[ cut here ]------------ [ 83.716430][ T5756] WARNING: CPU: 0 PID: 5756 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 83.718012][ T5756] Modules linked in: [ 83.718599][ T5756] CPU: 0 PID: 5756 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 83.720030][ T5756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.721663][ T5756] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.722860][ T5756] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.723842][ T5756] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.724732][ T5756] sp : ffff8000220b77d0 [ 83.725403][ T5756] x29: ffff8000220b77e0 x28: ffff0000d3b05000 x27: dfff800000000000 [ 83.726723][ T5756] x26: ffff0000d3b05024 x25: ffff0000d8fd8000 x24: 1fffe0001bcebcbb [ 83.728133][ T5756] x23: 1fffe0001bcebcbb x22: ffff0000de75e5d8 x21: 00000000fffffff4 [ 83.729444][ T5756] x20: 0000000000000051 x19: ffff0000de75e580 x18: 0000000000000001 [ 83.730816][ T5756] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 83.732038][ T5756] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.733228][ T5756] x11: 0000000000000000 x10: 0000000000000000 x9 : 631ccaa326200e00 [ 83.734555][ T5756] x8 : 631ccaa326200e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.735934][ T5756] x5 : ffff8000220b70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 83.737263][ T5756] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.738626][ T5756] Call trace: [ 83.739184][ T5756] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.740071][ T5756] btrfs_commit_transaction+0x1b8/0x3044 [ 83.740922][ T5756] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.741790][ T5756] btrfs_ioctl+0x5f0/0xb38 [ 83.742447][ T5756] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.743232][ T5756] invoke_syscall+0x98/0x2b8 [ 83.743904][ T5756] el0_svc_common+0x138/0x258 [ 83.744625][ T5756] do_el0_svc+0x58/0x14c [ 83.745267][ T5756] el0_svc+0x78/0x1e0 [ 83.745888][ T5756] el0t_64_sync_handler+0xcc/0xe4 [ 83.746607][ T5756] el0t_64_sync+0x1a0/0x1a4 [ 83.747282][ T5756] irq event stamp: 78840 [ 83.747994][ T5756] hardirqs last enabled at (78839): [] __up_console_sem+0xb4/0x100 [ 83.749446][ T5756] hardirqs last disabled at (78840): [] el1_dbg+0x24/0x80 [ 83.750785][ T5756] softirqs last enabled at (78804): [] handle_softirqs+0xa4c/0xbf0 [ 83.752386][ T5756] softirqs last disabled at (78757): [] __irq_exit_rcu+0x240/0x440 [ 83.753906][ T5756] ---[ end trace 86ac53f5acd3aff1 ]--- [ 83.757282][ T5756] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 83.758839][ T5756] BTRFS info (device loop0): forced readonly [ 83.795318][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4948) 1970/01/01 00:01:23 executed programs: 33 [ 83.905997][ T5779] loop0: detected capacity change from 0 to 32768 [ 84.045803][ T5779] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.047268][ T5779] BTRFS info (device loop0): using free space tree [ 84.048317][ T5779] BTRFS info (device loop0): has skinny extents [ 84.055937][ T5779] BTRFS info (device loop0): enabling ssd optimizations [ 84.059103][ T5779] FAULT_INJECTION: forcing a failure. [ 84.059103][ T5779] name failslab, interval 1, probability 0, space 0, times 0 [ 84.061070][ T5779] CPU: 1 PID: 5779 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 84.062362][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.063858][ T5779] Call trace: [ 84.064379][ T5779] dump_backtrace+0x0/0x43c [ 84.065022][ T5779] show_stack+0x2c/0x3c [ 84.065650][ T5779] __dump_stack+0x30/0x40 [ 84.066266][ T5779] dump_stack_lvl+0xf8/0x160 [ 84.066927][ T5779] dump_stack+0x1c/0x5c [ 84.067560][ T5779] should_fail+0x3c0/0x51c [ 84.068308][ T5779] __should_failslab+0xbc/0x10c [ 84.069147][ T5779] should_failslab+0x10/0x28 [ 84.069880][ T5779] slab_pre_alloc_hook+0x64/0xec [ 84.070629][ T5779] kmem_cache_alloc+0x94/0x3e4 [ 84.071323][ T5779] start_transaction+0x4d0/0x13f0 [ 84.072046][ T5779] btrfs_start_transaction+0x34/0x44 [ 84.072811][ T5779] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 84.073626][ T5779] btrfs_ioctl+0x5f0/0xb38 [ 84.074218][ T5779] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.074882][ T5779] invoke_syscall+0x98/0x2b8 [ 84.075604][ T5779] el0_svc_common+0x138/0x258 [ 84.076326][ T5779] do_el0_svc+0x58/0x14c [ 84.077046][ T5779] el0_svc+0x78/0x1e0 [ 84.077635][ T5779] el0t_64_sync_handler+0xcc/0xe4 [ 84.078333][ T5779] el0t_64_sync+0x1a0/0x1a4 [ 84.209847][ T5801] loop0: detected capacity change from 0 to 32768 [ 84.286883][ T5801] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5801) [ 84.291152][ T5801] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.292489][ T5801] BTRFS info (device loop0): using free space tree [ 84.293857][ T5801] BTRFS info (device loop0): has skinny extents [ 84.300647][ T5801] BTRFS info (device loop0): enabling ssd optimizations [ 84.304120][ T5801] FAULT_INJECTION: forcing a failure. [ 84.304120][ T5801] name failslab, interval 1, probability 0, space 0, times 0 [ 84.305962][ T5801] CPU: 1 PID: 5801 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 84.307186][ T5801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.308680][ T5801] Call trace: [ 84.309150][ T5801] dump_backtrace+0x0/0x43c [ 84.309843][ T5801] show_stack+0x2c/0x3c [ 84.310466][ T5801] __dump_stack+0x30/0x40 [ 84.311068][ T5801] dump_stack_lvl+0xf8/0x160 [ 84.311782][ T5801] dump_stack+0x1c/0x5c [ 84.312426][ T5801] should_fail+0x3c0/0x51c [ 84.313125][ T5801] __should_failslab+0xbc/0x10c [ 84.313909][ T5801] should_failslab+0x10/0x28 [ 84.314715][ T5801] slab_pre_alloc_hook+0x64/0xec [ 84.315586][ T5801] kmem_cache_alloc+0x94/0x3e4 [ 84.316392][ T5801] btrfs_alloc_path+0x5c/0x68 [ 84.317203][ T5801] __btrfs_run_delayed_refs+0xd70/0x3354 [ 84.318079][ T5801] btrfs_run_delayed_refs+0x124/0x46c [ 84.318925][ T5801] btrfs_commit_transaction+0x1b8/0x3044 [ 84.319801][ T5801] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.320634][ T5801] btrfs_ioctl+0x5f0/0xb38 [ 84.321291][ T5801] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.322153][ T5801] invoke_syscall+0x98/0x2b8 [ 84.322889][ T5801] el0_svc_common+0x138/0x258 [ 84.323695][ T5801] do_el0_svc+0x58/0x14c [ 84.324397][ T5801] el0_svc+0x78/0x1e0 [ 84.325039][ T5801] el0t_64_sync_handler+0xcc/0xe4 [ 84.325827][ T5801] el0t_64_sync+0x1a0/0x1a4 [ 84.328663][ T5801] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 84.330638][ T5801] ------------[ cut here ]------------ [ 84.331701][ T5801] WARNING: CPU: 1 PID: 5801 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 84.333255][ T5801] Modules linked in: [ 84.333838][ T5801] CPU: 1 PID: 5801 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 84.335204][ T5801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.336861][ T5801] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.338057][ T5801] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.339046][ T5801] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.339893][ T5801] sp : ffff8000224d77d0 [ 84.340594][ T5801] x29: ffff8000224d77e0 x28: ffff0000d5416000 x27: dfff800000000000 [ 84.341823][ T5801] x26: ffff0000d5416024 x25: ffff0000ca794000 x24: 1fffe0001bc9228f [ 84.343058][ T5801] x23: 1fffe0001bc9228f x22: ffff0000de491478 x21: 00000000fffffff4 [ 84.344253][ T5801] x20: 0000000000000051 x19: ffff0000de491420 x18: 0000000000000001 [ 84.345540][ T5801] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 84.346781][ T5801] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.348085][ T5801] x11: 0000000000000000 x10: 0000000000000000 x9 : 2c5cbf30f66def00 [ 84.349243][ T5801] x8 : 2c5cbf30f66def00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.350419][ T5801] x5 : ffff8000224d70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 84.351595][ T5801] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.352723][ T5801] Call trace: [ 84.353186][ T5801] btrfs_run_delayed_refs+0x3f4/0x46c [ 84.353954][ T5801] btrfs_commit_transaction+0x1b8/0x3044 [ 84.354740][ T5801] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.355562][ T5801] btrfs_ioctl+0x5f0/0xb38 [ 84.356313][ T5801] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.357104][ T5801] invoke_syscall+0x98/0x2b8 [ 84.357789][ T5801] el0_svc_common+0x138/0x258 [ 84.358462][ T5801] do_el0_svc+0x58/0x14c [ 84.359139][ T5801] el0_svc+0x78/0x1e0 [ 84.359721][ T5801] el0t_64_sync_handler+0xcc/0xe4 [ 84.360456][ T5801] el0t_64_sync+0x1a0/0x1a4 [ 84.361157][ T5801] irq event stamp: 78818 [ 84.361831][ T5801] hardirqs last enabled at (78817): [] __up_console_sem+0xb4/0x100 [ 84.363193][ T5801] hardirqs last disabled at (78818): [] el1_dbg+0x24/0x80 [ 84.364482][ T5801] softirqs last enabled at (78784): [] handle_softirqs+0xa4c/0xbf0 [ 84.365904][ T5801] softirqs last disabled at (78739): [] __irq_exit_rcu+0x240/0x440 [ 84.367293][ T5801] ---[ end trace 86ac53f5acd3aff2 ]--- [ 84.370440][ T5801] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 84.371945][ T5801] BTRFS info (device loop0): forced readonly [ 84.508544][ T5823] loop0: detected capacity change from 0 to 32768 [ 84.515676][ T5823] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5823) [ 84.519752][ T5823] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.521292][ T5823] BTRFS info (device loop0): using free space tree [ 84.522328][ T5823] BTRFS info (device loop0): has skinny extents [ 84.529383][ T5823] BTRFS info (device loop0): enabling ssd optimizations [ 84.532314][ T5823] FAULT_INJECTION: forcing a failure. [ 84.532314][ T5823] name failslab, interval 1, probability 0, space 0, times 0 [ 84.534763][ T5823] CPU: 0 PID: 5823 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 84.536127][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.537829][ T5823] Call trace: [ 84.538280][ T5823] dump_backtrace+0x0/0x43c [ 84.538948][ T5823] show_stack+0x2c/0x3c [ 84.539598][ T5823] __dump_stack+0x30/0x40 [ 84.540246][ T5823] dump_stack_lvl+0xf8/0x160 [ 84.541042][ T5823] dump_stack+0x1c/0x5c [ 84.541729][ T5823] should_fail+0x3c0/0x51c [ 84.542460][ T5823] __should_failslab+0xbc/0x10c [ 84.543174][ T5823] should_failslab+0x10/0x28 [ 84.544012][ T5823] slab_pre_alloc_hook+0x64/0xec [ 84.544835][ T5823] kmem_cache_alloc+0x94/0x3e4 [ 84.545617][ T5823] btrfs_alloc_path+0x5c/0x68 [ 84.546376][ T5823] __btrfs_run_delayed_refs+0xd70/0x3354 [ 84.547226][ T5823] btrfs_run_delayed_refs+0x124/0x46c [ 84.548048][ T5823] btrfs_commit_transaction+0x1b8/0x3044 [ 84.548875][ T5823] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.549803][ T5823] btrfs_ioctl+0x5f0/0xb38 [ 84.550500][ T5823] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.551320][ T5823] invoke_syscall+0x98/0x2b8 [ 84.551969][ T5823] el0_svc_common+0x138/0x258 [ 84.552659][ T5823] do_el0_svc+0x58/0x14c [ 84.553283][ T5823] el0_svc+0x78/0x1e0 [ 84.553941][ T5823] el0t_64_sync_handler+0xcc/0xe4 [ 84.554669][ T5823] el0t_64_sync+0x1a0/0x1a4 [ 84.556710][ T5823] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 84.558778][ T5823] ------------[ cut here ]------------ [ 84.559791][ T5823] WARNING: CPU: 0 PID: 5823 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 84.561225][ T5823] Modules linked in: [ 84.561791][ T5823] CPU: 0 PID: 5823 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 84.563117][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.564845][ T5823] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.566084][ T5823] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.567012][ T5823] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.567861][ T5823] sp : ffff8000225d77d0 [ 84.568492][ T5823] x29: ffff8000225d77e0 x28: ffff0000c1638000 x27: dfff800000000000 [ 84.569820][ T5823] x26: ffff0000c1638024 x25: ffff0000ca794000 x24: 1fffe0001bcebcfd [ 84.571198][ T5823] x23: 1fffe0001bcebcfd x22: ffff0000de75e7e8 x21: 00000000fffffff4 [ 84.572449][ T5823] x20: 0000000000000051 x19: ffff0000de75e790 x18: 0000000000000001 [ 84.573811][ T5823] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 84.575084][ T5823] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.576469][ T5823] x11: 0000000000000000 x10: 0000000000000000 x9 : da9f6899c4552100 [ 84.577848][ T5823] x8 : da9f6899c4552100 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.579293][ T5823] x5 : ffff8000225d70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 84.580686][ T5823] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.582056][ T5823] Call trace: [ 84.582621][ T5823] btrfs_run_delayed_refs+0x3f4/0x46c [ 84.583510][ T5823] btrfs_commit_transaction+0x1b8/0x3044 [ 84.584418][ T5823] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.585328][ T5823] btrfs_ioctl+0x5f0/0xb38 [ 84.586073][ T5823] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.586949][ T5823] invoke_syscall+0x98/0x2b8 [ 84.587718][ T5823] el0_svc_common+0x138/0x258 [ 84.588495][ T5823] do_el0_svc+0x58/0x14c [ 84.589166][ T5823] el0_svc+0x78/0x1e0 [ 84.589784][ T5823] el0t_64_sync_handler+0xcc/0xe4 [ 84.590569][ T5823] el0t_64_sync+0x1a0/0x1a4 [ 84.591253][ T5823] irq event stamp: 78902 [ 84.591914][ T5823] hardirqs last enabled at (78901): [] __up_console_sem+0xb4/0x100 [ 84.593622][ T5823] hardirqs last disabled at (78902): [] el1_dbg+0x24/0x80 [ 84.595084][ T5823] softirqs last enabled at (78868): [] handle_softirqs+0xa4c/0xbf0 [ 84.596797][ T5823] softirqs last disabled at (78829): [] __irq_exit_rcu+0x240/0x440 [ 84.598347][ T5823] ---[ end trace 86ac53f5acd3aff3 ]--- [ 84.601166][ T5823] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 84.602734][ T5823] BTRFS info (device loop0): forced readonly [ 84.758099][ T5845] loop0: detected capacity change from 0 to 32768 [ 84.804320][ T5845] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5845) [ 84.807595][ T5845] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.809016][ T5845] BTRFS info (device loop0): using free space tree [ 84.810144][ T5845] BTRFS info (device loop0): has skinny extents [ 84.818628][ T5845] BTRFS info (device loop0): enabling ssd optimizations [ 84.822044][ T5845] FAULT_INJECTION: forcing a failure. [ 84.822044][ T5845] name failslab, interval 1, probability 0, space 0, times 0 [ 84.824524][ T5845] CPU: 0 PID: 5845 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 84.825812][ T5845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.827309][ T5845] Call trace: [ 84.827764][ T5845] dump_backtrace+0x0/0x43c [ 84.828412][ T5845] show_stack+0x2c/0x3c [ 84.829023][ T5845] __dump_stack+0x30/0x40 [ 84.829703][ T5845] dump_stack_lvl+0xf8/0x160 [ 84.830381][ T5845] dump_stack+0x1c/0x5c [ 84.830960][ T5845] should_fail+0x3c0/0x51c [ 84.831584][ T5845] __should_failslab+0xbc/0x10c [ 84.832333][ T5845] should_failslab+0x10/0x28 [ 84.832998][ T5845] slab_pre_alloc_hook+0x64/0xec [ 84.833857][ T5845] kmem_cache_alloc+0x94/0x3e4 [ 84.834636][ T5845] start_transaction+0x4d0/0x13f0 [ 84.835457][ T5845] btrfs_start_transaction+0x34/0x44 [ 84.836376][ T5845] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 84.837271][ T5845] btrfs_ioctl+0x5f0/0xb38 [ 84.838015][ T5845] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.838772][ T5845] invoke_syscall+0x98/0x2b8 [ 84.839452][ T5845] el0_svc_common+0x138/0x258 [ 84.840139][ T5845] do_el0_svc+0x58/0x14c [ 84.840809][ T5845] el0_svc+0x78/0x1e0 [ 84.841432][ T5845] el0t_64_sync_handler+0xcc/0xe4 [ 84.842253][ T5845] el0t_64_sync+0x1a0/0x1a4 [ 84.887584][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4948) [ 84.984492][ T5866] loop0: detected capacity change from 0 to 32768 [ 85.074279][ T5866] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.075641][ T5866] BTRFS info (device loop0): using free space tree [ 85.076647][ T5866] BTRFS info (device loop0): has skinny extents [ 85.084796][ T5866] BTRFS info (device loop0): enabling ssd optimizations