Warning: Permanently added '10.128.0.56' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "type"="gce" 1970/01/01 00:00:45 parsed 1 programs [ 46.031876][ T4271] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:46 executed programs: 0 [ 46.097945][ T4286] chnl_net:caif_netlink_parms(): no params data found [ 46.115696][ T4286] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.116822][ T4286] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.118596][ T4286] device bridge_slave_0 entered promiscuous mode [ 46.120908][ T4286] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.122024][ T4286] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.123548][ T4286] device bridge_slave_1 entered promiscuous mode [ 46.130928][ T4286] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.133312][ T4286] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.141720][ T4286] team0: Port device team_slave_0 added [ 46.143496][ T4286] team0: Port device team_slave_1 added [ 46.150492][ T4286] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.151653][ T4286] 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. [ 46.155463][ T4286] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.157881][ T4286] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.159078][ T4286] 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. [ 46.163507][ T4286] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.199212][ T4286] device hsr_slave_0 entered promiscuous mode [ 46.238348][ T4286] device hsr_slave_1 entered promiscuous mode [ 46.772470][ T4286] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.809360][ T4286] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.849608][ T4286] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.899381][ T4286] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.927312][ T4286] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.928503][ T4286] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.929849][ T4286] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.930916][ T4286] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.947838][ T4286] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.954087][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.955723][ T529] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.957380][ T529] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.959777][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.963897][ T4286] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.967457][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.970582][ T529] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.971692][ T529] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.975865][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.977342][ T529] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.978498][ T529] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.986262][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.987858][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.991683][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.994483][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.997555][ T529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.002726][ T4286] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.054858][ T4286] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.056524][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.057786][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.066524][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.073835][ T4286] device veth0_vlan entered promiscuous mode [ 47.077171][ T4286] device veth1_vlan entered promiscuous mode [ 47.079675][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.081415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.082854][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.084158][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.093089][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.094650][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.096863][ T4286] device veth0_macvtap entered promiscuous mode [ 47.100306][ T4286] device veth1_macvtap entered promiscuous mode [ 47.105373][ T4286] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.106461][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.107743][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.110062][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.111479][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.114836][ T4286] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.116697][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.118752][ T4205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.120844][ T4286] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.122210][ T4286] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.123512][ T4286] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.124881][ T4286] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.261610][ T4423] loop0: detected capacity change from 0 to 32768 [ 47.267370][ T4423] ======================================================= [ 47.267370][ T4423] WARNING: The mand mount option has been deprecated and [ 47.267370][ T4423] and is ignored by this kernel. Remove the mand [ 47.267370][ T4423] option from the mount to silence this warning. [ 47.267370][ T4423] ======================================================= [ 47.275737][ T4423] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4423) [ 47.288989][ T4423] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.290376][ T4423] BTRFS info (device loop0): use zlib compression, level 3 [ 47.291642][ T4423] BTRFS info (device loop0): disabling tree log [ 47.293876][ T4423] BTRFS info (device loop0): turning on sync discard [ 47.295084][ T4423] BTRFS info (device loop0): enabling ssd optimizations [ 47.297292][ T4423] BTRFS info (device loop0): using spread ssd allocation scheme [ 47.299033][ T4423] BTRFS info (device loop0): using free space tree [ 47.300019][ T4423] BTRFS info (device loop0): has skinny extents [ 47.370089][ T4423] FAULT_INJECTION: forcing a failure. [ 47.370089][ T4423] name failslab, interval 1, probability 0, space 0, times 1 [ 47.376573][ T4423] CPU: 1 PID: 4423 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.377736][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.379269][ T4423] Call trace: [ 47.379752][ T4423] dump_backtrace+0x0/0x43c [ 47.380421][ T4423] show_stack+0x2c/0x3c [ 47.381047][ T4423] __dump_stack+0x30/0x40 [ 47.381676][ T4423] dump_stack_lvl+0xf8/0x160 [ 47.382344][ T4423] dump_stack+0x1c/0x5c [ 47.382990][ T4423] should_fail+0x3c0/0x51c [ 47.383666][ T4423] __should_failslab+0xbc/0x10c [ 47.384355][ T4423] should_failslab+0x10/0x28 [ 47.385024][ T4423] slab_pre_alloc_hook+0x64/0xec [ 47.385745][ T4423] kmem_cache_alloc+0x94/0x3e4 [ 47.386480][ T4423] btrfs_alloc_path+0x5c/0x68 [ 47.387156][ T4423] __btrfs_run_delayed_refs+0xd70/0x3354 [ 47.387950][ T4423] btrfs_run_delayed_refs+0x124/0x46c [ 47.388725][ T4423] btrfs_commit_transaction+0x1b8/0x3044 [ 47.389602][ T4423] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 47.390441][ T4423] btrfs_ioctl+0x5f0/0xb38 [ 47.391030][ T4423] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.391761][ T4423] invoke_syscall+0x98/0x2b8 [ 47.392485][ T4423] el0_svc_common+0x138/0x258 [ 47.393187][ T4423] do_el0_svc+0x58/0x14c [ 47.393831][ T4423] el0_svc+0x78/0x1e0 [ 47.394476][ T4423] el0t_64_sync_handler+0xcc/0xe4 [ 47.395231][ T4423] el0t_64_sync+0x1a0/0x1a4 [ 47.398922][ T4423] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 47.401505][ T4423] ------------[ cut here ]------------ [ 47.402412][ T4423] WARNING: CPU: 1 PID: 4423 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 47.403830][ T4423] Modules linked in: [ 47.404392][ T4423] CPU: 1 PID: 4423 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.405441][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.406780][ T4423] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.407919][ T4423] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 47.408744][ T4423] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 47.409557][ T4423] sp : ffff80001f4477d0 [ 47.410201][ T4423] x29: ffff80001f4477e0 x28: ffff0000d60a7000 x27: dfff800000000000 [ 47.411375][ T4423] x26: ffff0000d60a7024 x25: ffff0000d66bc000 x24: 1fffe0001be35621 [ 47.412537][ T4423] x23: 1fffe0001be35621 x22: ffff0000df1ab108 x21: 00000000fffffff4 [ 47.413794][ T4423] x20: 0000000000000051 x19: ffff0000df1ab0b0 x18: 0000000000000001 [ 47.414949][ T4423] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 47.416140][ T4423] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 47.417385][ T4423] x11: 0000000000000000 x10: 0000000000000000 x9 : 1bc81c6d18c97e00 [ 47.418483][ T4423] x8 : 1bc81c6d18c97e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.419580][ T4423] x5 : ffff80001f4470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 47.420721][ T4423] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.421928][ T4423] Call trace: [ 47.422383][ T4423] btrfs_run_delayed_refs+0x3f4/0x46c [ 47.423147][ T4423] btrfs_commit_transaction+0x1b8/0x3044 [ 47.424106][ T4423] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 47.424963][ T4423] btrfs_ioctl+0x5f0/0xb38 [ 47.425645][ T4423] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.426391][ T4423] invoke_syscall+0x98/0x2b8 [ 47.427074][ T4423] el0_svc_common+0x138/0x258 [ 47.427815][ T4423] do_el0_svc+0x58/0x14c [ 47.428477][ T4423] el0_svc+0x78/0x1e0 [ 47.429079][ T4423] el0t_64_sync_handler+0xcc/0xe4 [ 47.429826][ T4423] el0t_64_sync+0x1a0/0x1a4 [ 47.430600][ T4423] irq event stamp: 81446 [ 47.431328][ T4423] hardirqs last enabled at (81445): [] __up_console_sem+0xb4/0x100 [ 47.432978][ T4423] hardirqs last disabled at (81446): [] el1_dbg+0x24/0x80 [ 47.434425][ T4423] softirqs last enabled at (81400): [] handle_softirqs+0xa4c/0xbf0 [ 47.435961][ T4423] softirqs last disabled at (81361): [] __irq_exit_rcu+0x240/0x440 [ 47.437474][ T4423] ---[ end trace 21574b08a91c3565 ]--- [ 47.446791][ T4423] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 47.451360][ T4423] BTRFS info (device loop0): forced readonly [ 47.637732][ T4497] loop0: detected capacity change from 0 to 32768 [ 47.681842][ T4497] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4497) [ 47.687710][ T4497] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.689736][ T4497] BTRFS info (device loop0): use zlib compression, level 3 [ 47.690854][ T4497] BTRFS info (device loop0): disabling tree log [ 47.691752][ T4497] BTRFS info (device loop0): turning on sync discard [ 47.693261][ T4497] BTRFS info (device loop0): enabling ssd optimizations [ 47.694421][ T4497] BTRFS info (device loop0): using spread ssd allocation scheme [ 47.697013][ T4497] BTRFS info (device loop0): using free space tree [ 47.697856][ T4497] BTRFS info (device loop0): has skinny extents [ 47.776738][ T4497] FAULT_INJECTION: forcing a failure. [ 47.776738][ T4497] name failslab, interval 1, probability 0, space 0, times 0 [ 47.779271][ T4497] CPU: 1 PID: 4497 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.780575][ T4497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.782219][ T4497] Call trace: [ 47.782725][ T4497] dump_backtrace+0x0/0x43c [ 47.783424][ T4497] show_stack+0x2c/0x3c [ 47.784017][ T4497] __dump_stack+0x30/0x40 [ 47.784730][ T4497] dump_stack_lvl+0xf8/0x160 [ 47.785443][ T4497] dump_stack+0x1c/0x5c [ 47.786073][ T4497] should_fail+0x3c0/0x51c [ 47.786717][ T4497] __should_failslab+0xbc/0x10c [ 47.787476][ T4497] should_failslab+0x10/0x28 [ 47.788131][ T4497] slab_pre_alloc_hook+0x64/0xec [ 47.788848][ T4497] kmem_cache_alloc+0x94/0x3e4 [ 47.789539][ T4497] btrfs_alloc_path+0x5c/0x68 [ 47.790204][ T4497] __btrfs_free_extent+0x19c/0x1aa4 [ 47.791013][ T4497] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 47.791812][ T4497] btrfs_run_delayed_refs+0x124/0x46c [ 47.792577][ T4497] btrfs_commit_transaction+0x1b8/0x3044 [ 47.793365][ T4497] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 47.794175][ T4497] btrfs_ioctl+0x5f0/0xb38 [ 47.794817][ T4497] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.795524][ T4497] invoke_syscall+0x98/0x2b8 [ 47.796182][ T4497] el0_svc_common+0x138/0x258 [ 47.796820][ T4497] do_el0_svc+0x58/0x14c [ 47.797446][ T4497] el0_svc+0x78/0x1e0 [ 47.798078][ T4497] el0t_64_sync_handler+0xcc/0xe4 [ 47.798819][ T4497] el0t_64_sync+0x1a0/0x1a4 [ 47.800121][ T4497] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 47.802208][ T4497] ------------[ cut here ]------------ [ 47.803126][ T4497] WARNING: CPU: 1 PID: 4497 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 47.804585][ T4497] Modules linked in: [ 47.805105][ T4497] CPU: 1 PID: 4497 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.806398][ T4497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.807934][ T4497] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.809051][ T4497] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 47.809814][ T4497] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 47.810630][ T4497] sp : ffff80001f4377d0 [ 47.811251][ T4497] x29: ffff80001f4377e0 x28: ffff0000c9425000 x27: dfff800000000000 [ 47.812405][ T4497] x26: ffff0000c9425024 x25: ffff0000d7cd4000 x24: 1fffe0001be3564d [ 47.813642][ T4497] x23: 1fffe0001be3564d x22: ffff0000df1ab268 x21: 00000000fffffff4 [ 47.814891][ T4497] x20: 0000000000000051 x19: ffff0000df1ab210 x18: 0000000000000001 [ 47.816157][ T4497] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 47.817219][ T4497] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 47.818299][ T4497] x11: 0000000000000000 x10: 0000000000000000 x9 : 05b9e055a9f1d500 [ 47.819439][ T4497] x8 : 05b9e055a9f1d500 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.820592][ T4497] x5 : ffff80001f4370b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 47.821694][ T4497] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.822911][ T4497] Call trace: [ 47.823372][ T4497] btrfs_run_delayed_refs+0x3f4/0x46c [ 47.824166][ T4497] btrfs_commit_transaction+0x1b8/0x3044 [ 47.825030][ T4497] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 47.825863][ T4497] btrfs_ioctl+0x5f0/0xb38 [ 47.826521][ T4497] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.827202][ T4497] invoke_syscall+0x98/0x2b8 [ 47.827888][ T4497] el0_svc_common+0x138/0x258 [ 47.828510][ T4497] do_el0_svc+0x58/0x14c [ 47.829099][ T4497] el0_svc+0x78/0x1e0 [ 47.829709][ T4497] el0t_64_sync_handler+0xcc/0xe4 [ 47.830456][ T4497] el0t_64_sync+0x1a0/0x1a4 [ 47.831132][ T4497] irq event stamp: 80122 [ 47.831751][ T4497] hardirqs last enabled at (80121): [] __up_console_sem+0xb4/0x100 [ 47.833168][ T4497] hardirqs last disabled at (80122): [] el1_dbg+0x24/0x80 [ 47.834405][ T4497] softirqs last enabled at (80086): [] handle_softirqs+0xa4c/0xbf0 [ 47.835732][ T4497] softirqs last disabled at (80047): [] __irq_exit_rcu+0x240/0x440 [ 47.837171][ T4497] ---[ end trace 21574b08a91c3566 ]--- [ 47.841852][ T4497] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 47.843528][ T4497] BTRFS info (device loop0): forced readonly [ 48.047173][ T4577] loop0: detected capacity change from 0 to 32768 [ 48.078682][ T4555] Bluetooth: hci0: command 0x0409 tx timeout [ 48.092976][ T4577] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4577) [ 48.098537][ T4577] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.099984][ T4577] BTRFS info (device loop0): use zlib compression, level 3 [ 48.101251][ T4577] BTRFS info (device loop0): disabling tree log [ 48.102229][ T4577] BTRFS info (device loop0): turning on sync discard [ 48.104337][ T4577] BTRFS info (device loop0): enabling ssd optimizations [ 48.106585][ T4577] BTRFS info (device loop0): using spread ssd allocation scheme [ 48.108469][ T4577] BTRFS info (device loop0): using free space tree [ 48.110885][ T4577] BTRFS info (device loop0): has skinny extents [ 48.165413][ T4577] FAULT_INJECTION: forcing a failure. [ 48.165413][ T4577] name failslab, interval 1, probability 0, space 0, times 0 [ 48.167694][ T4577] CPU: 0 PID: 4577 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.169079][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.170647][ T4577] Call trace: [ 48.171151][ T4577] dump_backtrace+0x0/0x43c [ 48.171862][ T4577] show_stack+0x2c/0x3c [ 48.172507][ T4577] __dump_stack+0x30/0x40 [ 48.173174][ T4577] dump_stack_lvl+0xf8/0x160 [ 48.173899][ T4577] dump_stack+0x1c/0x5c [ 48.174576][ T4577] should_fail+0x3c0/0x51c [ 48.175267][ T4577] __should_failslab+0xbc/0x10c [ 48.176025][ T4577] should_failslab+0x10/0x28 [ 48.176695][ T4577] slab_pre_alloc_hook+0x64/0xec [ 48.177447][ T4577] kmem_cache_alloc+0x94/0x3e4 [ 48.178258][ T4577] btrfs_alloc_path+0x5c/0x68 [ 48.178926][ T4577] __btrfs_free_extent+0x19c/0x1aa4 [ 48.179719][ T4577] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 48.180523][ T4577] btrfs_run_delayed_refs+0x124/0x46c [ 48.181325][ T4577] btrfs_commit_transaction+0x1b8/0x3044 [ 48.182126][ T4577] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 48.182876][ T4577] btrfs_ioctl+0x5f0/0xb38 [ 48.183542][ T4577] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.184279][ T4577] invoke_syscall+0x98/0x2b8 [ 48.184956][ T4577] el0_svc_common+0x138/0x258 [ 48.185690][ T4577] do_el0_svc+0x58/0x14c [ 48.186302][ T4577] el0_svc+0x78/0x1e0 [ 48.186820][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 48.187486][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 48.191173][ T4577] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 48.193151][ T4577] ------------[ cut here ]------------ [ 48.194073][ T4577] WARNING: CPU: 0 PID: 4577 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 48.195646][ T4577] Modules linked in: [ 48.196229][ T4577] CPU: 0 PID: 4577 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.197633][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.199185][ T4577] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.200330][ T4577] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 48.201198][ T4577] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 48.202074][ T4577] sp : ffff80001f6977d0 [ 48.202701][ T4577] x29: ffff80001f6977e0 x28: ffff0000cb249000 x27: dfff800000000000 [ 48.203949][ T4577] x26: ffff0000cb249024 x25: ffff0000d8770000 x24: 1fffe0001be3b221 [ 48.205221][ T4577] x23: 1fffe0001be3b221 x22: ffff0000df1d9108 x21: 00000000fffffff4 [ 48.206398][ T4577] x20: 0000000000000051 x19: ffff0000df1d90b0 x18: 0000000000000001 [ 48.207626][ T4577] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 48.208821][ T4577] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 48.209983][ T4577] x11: 0000000000000000 x10: 0000000000000000 x9 : ea7eda3dc1a28900 [ 48.211267][ T4577] x8 : ea7eda3dc1a28900 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.212527][ T4577] x5 : ffff80001f6970b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 48.213726][ T4577] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.214939][ T4577] Call trace: [ 48.215400][ T4577] btrfs_run_delayed_refs+0x3f4/0x46c [ 48.216302][ T4577] btrfs_commit_transaction+0x1b8/0x3044 [ 48.217214][ T4577] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 48.218104][ T4577] btrfs_ioctl+0x5f0/0xb38 [ 48.218789][ T4577] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.219554][ T4577] invoke_syscall+0x98/0x2b8 [ 48.220264][ T4577] el0_svc_common+0x138/0x258 [ 48.221003][ T4577] do_el0_svc+0x58/0x14c [ 48.221680][ T4577] el0_svc+0x78/0x1e0 [ 48.222303][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 48.223060][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 48.223700][ T4577] irq event stamp: 78984 [ 48.224337][ T4577] hardirqs last enabled at (78983): [] __up_console_sem+0xb4/0x100 [ 48.225871][ T4577] hardirqs last disabled at (78984): [] el1_dbg+0x24/0x80 [ 48.227241][ T4577] softirqs last enabled at (78948): [] handle_softirqs+0xa4c/0xbf0 [ 48.228890][ T4577] softirqs last disabled at (78897): [] __irq_exit_rcu+0x240/0x440 [ 48.230333][ T4577] ---[ end trace 21574b08a91c3567 ]--- [ 48.234201][ T4577] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 48.235893][ T4577] BTRFS info (device loop0): forced readonly [ 48.424908][ T4636] loop0: detected capacity change from 0 to 32768 [ 48.494510][ T4636] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4636) [ 48.497768][ T4636] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.499683][ T4636] BTRFS info (device loop0): use zlib compression, level 3 [ 48.500843][ T4636] BTRFS info (device loop0): disabling tree log [ 48.501775][ T4636] BTRFS info (device loop0): turning on sync discard [ 48.502921][ T4636] BTRFS info (device loop0): enabling ssd optimizations [ 48.506070][ T4636] BTRFS info (device loop0): using spread ssd allocation scheme [ 48.507340][ T4636] BTRFS info (device loop0): using free space tree [ 48.509019][ T4636] BTRFS info (device loop0): has skinny extents [ 48.570903][ T4636] FAULT_INJECTION: forcing a failure. [ 48.570903][ T4636] name failslab, interval 1, probability 0, space 0, times 0 [ 48.573065][ T4636] CPU: 1 PID: 4636 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.574291][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.575782][ T4636] Call trace: [ 48.576241][ T4636] dump_backtrace+0x0/0x43c [ 48.576877][ T4636] show_stack+0x2c/0x3c [ 48.577494][ T4636] __dump_stack+0x30/0x40 [ 48.578110][ T4636] dump_stack_lvl+0xf8/0x160 [ 48.578789][ T4636] dump_stack+0x1c/0x5c [ 48.579346][ T4636] should_fail+0x3c0/0x51c [ 48.579944][ T4636] __should_failslab+0xbc/0x10c [ 48.580584][ T4636] should_failslab+0x10/0x28 [ 48.581226][ T4636] slab_pre_alloc_hook+0x64/0xec [ 48.581953][ T4636] kmem_cache_alloc+0x94/0x3e4 [ 48.582654][ T4636] btrfs_alloc_path+0x5c/0x68 [ 48.583338][ T4636] __btrfs_run_delayed_refs+0xd70/0x3354 [ 48.584197][ T4636] btrfs_run_delayed_refs+0x124/0x46c [ 48.585044][ T4636] btrfs_commit_transaction+0x1b8/0x3044 [ 48.585813][ T4636] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 48.586672][ T4636] btrfs_ioctl+0x5f0/0xb38 [ 48.587323][ T4636] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.588062][ T4636] invoke_syscall+0x98/0x2b8 [ 48.588740][ T4636] el0_svc_common+0x138/0x258 [ 48.589403][ T4636] do_el0_svc+0x58/0x14c [ 48.590002][ T4636] el0_svc+0x78/0x1e0 [ 48.590558][ T4636] el0t_64_sync_handler+0xcc/0xe4 [ 48.591264][ T4636] el0t_64_sync+0x1a0/0x1a4 [ 48.594480][ T4636] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 48.596542][ T4636] ------------[ cut here ]------------ [ 48.597412][ T4636] WARNING: CPU: 1 PID: 4636 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 48.598921][ T4636] Modules linked in: [ 48.599505][ T4636] CPU: 1 PID: 4636 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.600822][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.602256][ T4636] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.603352][ T4636] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 48.604144][ T4636] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 48.605065][ T4636] sp : ffff80001fb177d0 [ 48.605627][ T4636] x29: ffff80001fb177e0 x28: ffff0000c1902000 x27: dfff800000000000 [ 48.606830][ T4636] x26: ffff0000c1902024 x25: ffff0000cf8c8000 x24: 1fffe0001be35679 [ 48.608007][ T4636] x23: 1fffe0001be35679 x22: ffff0000df1ab3c8 x21: 00000000fffffff4 [ 48.609241][ T4636] x20: 0000000000000051 x19: ffff0000df1ab370 x18: 0000000000000001 [ 48.610440][ T4636] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 48.611646][ T4636] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 48.612844][ T4636] x11: 0000000000000000 x10: 0000000000000000 x9 : 812e30176e628d00 [ 48.614073][ T4636] x8 : 812e30176e628d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.615235][ T4636] x5 : ffff80001fb170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 48.616392][ T4636] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.617563][ T4636] Call trace: [ 48.618051][ T4636] btrfs_run_delayed_refs+0x3f4/0x46c [ 48.618867][ T4636] btrfs_commit_transaction+0x1b8/0x3044 [ 48.619639][ T4636] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 48.620472][ T4636] btrfs_ioctl+0x5f0/0xb38 [ 48.621107][ T4636] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.621801][ T4636] invoke_syscall+0x98/0x2b8 [ 48.622471][ T4636] el0_svc_common+0x138/0x258 [ 48.623144][ T4636] do_el0_svc+0x58/0x14c [ 48.623743][ T4636] el0_svc+0x78/0x1e0 [ 48.624340][ T4636] el0t_64_sync_handler+0xcc/0xe4 [ 48.625026][ T4636] el0t_64_sync+0x1a0/0x1a4 [ 48.625662][ T4636] irq event stamp: 79930 [ 48.626247][ T4636] hardirqs last enabled at (79929): [] __up_console_sem+0xb4/0x100 [ 48.627671][ T4636] hardirqs last disabled at (79930): [] el1_dbg+0x24/0x80 [ 48.628926][ T4636] softirqs last enabled at (79892): [] handle_softirqs+0xa4c/0xbf0 [ 48.630231][ T4636] softirqs last disabled at (79871): [] __irq_exit_rcu+0x240/0x440 [ 48.631643][ T4636] ---[ end trace 21574b08a91c3568 ]--- [ 48.633033][ T4636] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 48.634569][ T4636] BTRFS info (device loop0): forced readonly [ 48.833358][ T4701] loop0: detected capacity change from 0 to 32768 [ 48.838027][ T4701] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4701) [ 48.842002][ T4701] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.843713][ T4701] BTRFS info (device loop0): use zlib compression, level 3 [ 48.844944][ T4701] BTRFS info (device loop0): disabling tree log [ 48.845918][ T4701] BTRFS info (device loop0): turning on sync discard [ 48.847029][ T4701] BTRFS info (device loop0): enabling ssd optimizations [ 48.848241][ T4701] BTRFS info (device loop0): using spread ssd allocation scheme [ 48.849621][ T4701] BTRFS info (device loop0): using free space tree [ 48.850588][ T4701] BTRFS info (device loop0): has skinny extents [ 48.865008][ T4701] FAULT_INJECTION: forcing a failure. [ 48.865008][ T4701] name failslab, interval 1, probability 0, space 0, times 0 [ 48.867114][ T4701] CPU: 0 PID: 4701 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.868590][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.870172][ T4701] Call trace: [ 48.870710][ T4701] dump_backtrace+0x0/0x43c [ 48.871431][ T4701] show_stack+0x2c/0x3c [ 48.872026][ T4701] __dump_stack+0x30/0x40 [ 48.872727][ T4701] dump_stack_lvl+0xf8/0x160 [ 48.873376][ T4701] dump_stack+0x1c/0x5c [ 48.873991][ T4701] should_fail+0x3c0/0x51c [ 48.874612][ T4701] __should_failslab+0xbc/0x10c [ 48.875344][ T4701] should_failslab+0x10/0x28 [ 48.876039][ T4701] slab_pre_alloc_hook+0x64/0xec [ 48.876852][ T4701] kmem_cache_alloc+0x94/0x3e4 [ 48.877562][ T4701] btrfs_alloc_path+0x5c/0x68 [ 48.878241][ T4701] __btrfs_run_delayed_refs+0xd70/0x3354 [ 48.879008][ T4701] btrfs_run_delayed_refs+0x124/0x46c [ 48.879801][ T4701] btrfs_commit_transaction+0x1b8/0x3044 [ 48.880627][ T4701] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 48.881462][ T4701] btrfs_ioctl+0x5f0/0xb38 [ 48.882084][ T4701] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.882779][ T4701] invoke_syscall+0x98/0x2b8 [ 48.883445][ T4701] el0_svc_common+0x138/0x258 [ 48.884151][ T4701] do_el0_svc+0x58/0x14c [ 48.884745][ T4701] el0_svc+0x78/0x1e0 [ 48.885300][ T4701] el0t_64_sync_handler+0xcc/0xe4 [ 48.886016][ T4701] el0t_64_sync+0x1a0/0x1a4 [ 48.887945][ T4701] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 48.890595][ T4701] ------------[ cut here ]------------ [ 48.891504][ T4701] WARNING: CPU: 0 PID: 4701 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 48.893059][ T4701] Modules linked in: [ 48.893683][ T4701] CPU: 0 PID: 4701 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.895042][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.896475][ T4701] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.897584][ T4701] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 48.898411][ T4701] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 48.899246][ T4701] sp : ffff80001fb977d0 [ 48.899825][ T4701] x29: ffff80001fb977e0 x28: ffff0000d0409000 x27: dfff800000000000 [ 48.900992][ T4701] x26: ffff0000d0409024 x25: ffff0000d53d8000 x24: 1fffe0001be3b24d [ 48.902196][ T4701] x23: 1fffe0001be3b24d x22: ffff0000df1d9268 x21: 00000000fffffff4 [ 48.903325][ T4701] x20: 0000000000000051 x19: ffff0000df1d9210 x18: 0000000000000001 [ 48.904439][ T4701] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 48.905562][ T4701] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 48.906710][ T4701] x11: 0000000000000000 x10: 0000000000000000 x9 : d3b2b64b2d5c5500 [ 48.907906][ T4701] x8 : d3b2b64b2d5c5500 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.909065][ T4701] x5 : ffff80001fb970b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 48.910269][ T4701] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.911422][ T4701] Call trace: [ 48.911896][ T4701] btrfs_run_delayed_refs+0x3f4/0x46c [ 48.912660][ T4701] btrfs_commit_transaction+0x1b8/0x3044 [ 48.913441][ T4701] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 48.914207][ T4701] btrfs_ioctl+0x5f0/0xb38 [ 48.914861][ T4701] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.915587][ T4701] invoke_syscall+0x98/0x2b8 [ 48.916286][ T4701] el0_svc_common+0x138/0x258 [ 48.916964][ T4701] do_el0_svc+0x58/0x14c [ 48.917562][ T4701] el0_svc+0x78/0x1e0 [ 48.918140][ T4701] el0t_64_sync_handler+0xcc/0xe4 [ 48.918839][ T4701] el0t_64_sync+0x1a0/0x1a4 [ 48.919458][ T4701] irq event stamp: 80010 [ 48.920014][ T4701] hardirqs last enabled at (80009): [] __up_console_sem+0xb4/0x100 [ 48.921425][ T4701] hardirqs last disabled at (80010): [] el1_dbg+0x24/0x80 [ 48.922698][ T4701] softirqs last enabled at (79986): [] handle_softirqs+0xa4c/0xbf0 [ 48.924071][ T4701] softirqs last disabled at (79889): [] __irq_exit_rcu+0x240/0x440 [ 48.925543][ T4701] ---[ end trace 21574b08a91c3569 ]--- [ 48.927172][ T4701] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 48.929812][ T4701] BTRFS info (device loop0): forced readonly [ 49.099267][ T4732] loop0: detected capacity change from 0 to 32768 [ 49.139467][ T4732] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4732) [ 49.143643][ T4732] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.145701][ T4732] BTRFS info (device loop0): use zlib compression, level 3 [ 49.146687][ T4732] BTRFS info (device loop0): disabling tree log [ 49.147875][ T4732] BTRFS info (device loop0): turning on sync discard [ 49.149111][ T4732] BTRFS info (device loop0): enabling ssd optimizations [ 49.150274][ T4732] BTRFS info (device loop0): using spread ssd allocation scheme [ 49.151491][ T4732] BTRFS info (device loop0): using free space tree [ 49.152471][ T4732] BTRFS info (device loop0): has skinny extents [ 49.166722][ T4732] FAULT_INJECTION: forcing a failure. [ 49.166722][ T4732] name failslab, interval 1, probability 0, space 0, times 0 [ 49.169342][ T4732] CPU: 1 PID: 4732 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.170683][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.172170][ T4732] Call trace: [ 49.172653][ T4732] dump_backtrace+0x0/0x43c [ 49.173300][ T4732] show_stack+0x2c/0x3c [ 49.173899][ T4732] __dump_stack+0x30/0x40 [ 49.174525][ T4732] dump_stack_lvl+0xf8/0x160 [ 49.175287][ T4732] dump_stack+0x1c/0x5c [ 49.175912][ T4732] should_fail+0x3c0/0x51c [ 49.176570][ T4732] __should_failslab+0xbc/0x10c [ 49.177323][ T4732] should_failslab+0x10/0x28 [ 49.177988][ T4732] slab_pre_alloc_hook+0x64/0xec [ 49.178725][ T4732] kmem_cache_alloc+0x94/0x3e4 [ 49.179485][ T4732] btrfs_alloc_path+0x5c/0x68 [ 49.180186][ T4732] __btrfs_free_extent+0x19c/0x1aa4 [ 49.180957][ T4732] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 49.181920][ T4732] btrfs_run_delayed_refs+0x124/0x46c [ 49.182713][ T4732] btrfs_commit_transaction+0x1b8/0x3044 [ 49.183547][ T4732] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 49.184397][ T4732] btrfs_ioctl+0x5f0/0xb38 [ 49.185051][ T4732] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.185764][ T4732] invoke_syscall+0x98/0x2b8 [ 49.186502][ T4732] el0_svc_common+0x138/0x258 [ 49.187207][ T4732] do_el0_svc+0x58/0x14c [ 49.187933][ T4732] el0_svc+0x78/0x1e0 [ 49.188516][ T4732] el0t_64_sync_handler+0xcc/0xe4 [ 49.189294][ T4732] el0t_64_sync+0x1a0/0x1a4 [ 49.192360][ T4732] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 49.194373][ T4732] ------------[ cut here ]------------ [ 49.195304][ T4732] WARNING: CPU: 1 PID: 4732 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 49.196909][ T4732] Modules linked in: [ 49.197518][ T4732] CPU: 1 PID: 4732 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.198954][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.200540][ T4732] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.201697][ T4732] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 49.202655][ T4732] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 49.203542][ T4732] sp : ffff80001fad77d0 [ 49.204185][ T4732] x29: ffff80001fad77e0 x28: ffff0000db2be000 x27: dfff800000000000 [ 49.205507][ T4732] x26: ffff0000db2be024 x25: ffff0000ce994000 x24: 1fffe0001be3568f [ 49.206718][ T4732] x23: 1fffe0001be3568f x22: ffff0000df1ab478 x21: 00000000fffffff4 [ 49.207968][ T4732] x20: 0000000000000051 x19: ffff0000df1ab420 x18: 0000000000000001 [ 49.209266][ T4732] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 49.210494][ T4732] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.211771][ T4732] x11: 0000000000000000 x10: 0000000000000000 x9 : dbf1ae3b6e2aa800 [ 49.213013][ T4732] x8 : dbf1ae3b6e2aa800 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.214296][ T4732] x5 : ffff80001fad70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 49.215551][ T4732] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.216823][ T4732] Call trace: [ 49.217350][ T4732] btrfs_run_delayed_refs+0x3f4/0x46c [ 49.218212][ T4732] btrfs_commit_transaction+0x1b8/0x3044 [ 49.219096][ T4732] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 49.219933][ T4732] btrfs_ioctl+0x5f0/0xb38 [ 49.220602][ T4732] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.221378][ T4732] invoke_syscall+0x98/0x2b8 [ 49.222072][ T4732] el0_svc_common+0x138/0x258 [ 49.222797][ T4732] do_el0_svc+0x58/0x14c [ 49.223472][ T4732] el0_svc+0x78/0x1e0 [ 49.224041][ T4732] el0t_64_sync_handler+0xcc/0xe4 [ 49.224814][ T4732] el0t_64_sync+0x1a0/0x1a4 [ 49.225516][ T4732] irq event stamp: 78892 [ 49.226162][ T4732] hardirqs last enabled at (78891): [] __up_console_sem+0xb4/0x100 [ 49.227604][ T4732] hardirqs last disabled at (78892): [] el1_dbg+0x24/0x80 [ 49.228953][ T4732] softirqs last enabled at (78860): [] handle_softirqs+0xa4c/0xbf0 [ 49.230416][ T4732] softirqs last disabled at (78815): [] __irq_exit_rcu+0x240/0x440 [ 49.231878][ T4732] ---[ end trace 21574b08a91c356a ]--- [ 49.235250][ T4732] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 49.236660][ T4732] BTRFS info (device loop0): forced readonly [ 49.407860][ T4754] loop0: detected capacity change from 0 to 32768 [ 49.463975][ T4754] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4754) [ 49.467900][ T4754] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.469419][ T4754] BTRFS info (device loop0): use zlib compression, level 3 [ 49.470733][ T4754] BTRFS info (device loop0): disabling tree log [ 49.471679][ T4754] BTRFS info (device loop0): turning on sync discard [ 49.473089][ T4754] BTRFS info (device loop0): enabling ssd optimizations [ 49.474254][ T4754] BTRFS info (device loop0): using spread ssd allocation scheme [ 49.475463][ T4754] BTRFS info (device loop0): using free space tree [ 49.476480][ T4754] BTRFS info (device loop0): has skinny extents [ 49.488567][ T4754] FAULT_INJECTION: forcing a failure. [ 49.488567][ T4754] name failslab, interval 1, probability 0, space 0, times 0 [ 49.490665][ T4754] CPU: 1 PID: 4754 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.492169][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.493709][ T4754] Call trace: [ 49.494178][ T4754] dump_backtrace+0x0/0x43c [ 49.494915][ T4754] show_stack+0x2c/0x3c [ 49.495565][ T4754] __dump_stack+0x30/0x40 [ 49.496223][ T4754] dump_stack_lvl+0xf8/0x160 [ 49.496948][ T4754] dump_stack+0x1c/0x5c [ 49.497572][ T4754] should_fail+0x3c0/0x51c [ 49.498240][ T4754] __should_failslab+0xbc/0x10c [ 49.498965][ T4754] should_failslab+0x10/0x28 [ 49.499650][ T4754] slab_pre_alloc_hook+0x64/0xec [ 49.500382][ T4754] kmem_cache_alloc+0x94/0x3e4 [ 49.501109][ T4754] btrfs_alloc_path+0x5c/0x68 [ 49.501786][ T4754] __btrfs_free_extent+0x19c/0x1aa4 [ 49.502561][ T4754] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 49.503432][ T4754] btrfs_run_delayed_refs+0x124/0x46c [ 49.504258][ T4754] btrfs_commit_transaction+0x1b8/0x3044 [ 49.505010][ T4754] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 49.505751][ T4754] btrfs_ioctl+0x5f0/0xb38 [ 49.506405][ T4754] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.507185][ T4754] invoke_syscall+0x98/0x2b8 [ 49.507866][ T4754] el0_svc_common+0x138/0x258 [ 49.508560][ T4754] do_el0_svc+0x58/0x14c [ 49.509191][ T4754] el0_svc+0x78/0x1e0 [ 49.509753][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 49.510531][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 49.511515][ T4754] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 49.513575][ T4754] ------------[ cut here ]------------ [ 49.514553][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 49.516063][ T4754] Modules linked in: [ 49.516668][ T4754] CPU: 1 PID: 4754 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.518037][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.519552][ T4754] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.520760][ T4754] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 49.521644][ T4754] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 49.522466][ T4754] sp : ffff80001fad77d0 [ 49.523070][ T4754] x29: ffff80001fad77e0 x28: ffff0000c8f93000 x27: dfff800000000000 [ 49.524291][ T4754] x26: ffff0000c8f93024 x25: ffff0000c91e0000 x24: 1fffe0001be356bb [ 49.525498][ T4754] x23: 1fffe0001be356bb x22: ffff0000df1ab5d8 x21: 00000000fffffff4 [ 49.526666][ T4754] x20: 0000000000000051 x19: ffff0000df1ab580 x18: 0000000000000001 [ 49.527793][ T4754] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 49.529088][ T4754] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.530393][ T4754] x11: 0000000000000000 x10: 0000000000000000 x9 : 3139fe26101b8900 [ 49.531662][ T4754] x8 : 3139fe26101b8900 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.532902][ T4754] x5 : ffff80001fad70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 49.534204][ T4754] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.535452][ T4754] Call trace: [ 49.535947][ T4754] btrfs_run_delayed_refs+0x3f4/0x46c [ 49.536771][ T4754] btrfs_commit_transaction+0x1b8/0x3044 [ 49.537613][ T4754] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 49.538412][ T4754] btrfs_ioctl+0x5f0/0xb38 [ 49.539077][ T4754] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.539848][ T4754] invoke_syscall+0x98/0x2b8 [ 49.540532][ T4754] el0_svc_common+0x138/0x258 [ 49.541187][ T4754] do_el0_svc+0x58/0x14c [ 49.541775][ T4754] el0_svc+0x78/0x1e0 [ 49.542398][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 49.543237][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 49.543886][ T4754] irq event stamp: 79126 [ 49.544524][ T4754] hardirqs last enabled at (79125): [] __up_console_sem+0xb4/0x100 [ 49.545924][ T4754] hardirqs last disabled at (79126): [] el1_dbg+0x24/0x80 [ 49.547144][ T4754] softirqs last enabled at (79090): [] handle_softirqs+0xa4c/0xbf0 [ 49.548413][ T4754] softirqs last disabled at (79051): [] __irq_exit_rcu+0x240/0x440 [ 49.549803][ T4754] ---[ end trace 21574b08a91c356b ]--- [ 49.550978][ T4754] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 49.552697][ T4754] BTRFS info (device loop0): forced readonly [ 49.777387][ T4776] loop0: detected capacity change from 0 to 32768 [ 49.819451][ T4776] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4776) [ 49.826891][ T4776] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.828617][ T4776] BTRFS info (device loop0): use zlib compression, level 3 [ 49.829653][ T4776] BTRFS info (device loop0): disabling tree log [ 49.830572][ T4776] BTRFS info (device loop0): turning on sync discard [ 49.831606][ T4776] BTRFS info (device loop0): enabling ssd optimizations [ 49.832602][ T4776] BTRFS info (device loop0): using spread ssd allocation scheme [ 49.833720][ T4776] BTRFS info (device loop0): using free space tree [ 49.834713][ T4776] BTRFS info (device loop0): has skinny extents [ 49.850887][ T4776] FAULT_INJECTION: forcing a failure. [ 49.850887][ T4776] name failslab, interval 1, probability 0, space 0, times 0 [ 49.852839][ T4776] CPU: 1 PID: 4776 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.854191][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.855676][ T4776] Call trace: [ 49.856162][ T4776] dump_backtrace+0x0/0x43c [ 49.856853][ T4776] show_stack+0x2c/0x3c [ 49.857550][ T4776] __dump_stack+0x30/0x40 [ 49.858154][ T4776] dump_stack_lvl+0xf8/0x160 [ 49.858927][ T4776] dump_stack+0x1c/0x5c [ 49.859536][ T4776] should_fail+0x3c0/0x51c [ 49.860208][ T4776] __should_failslab+0xbc/0x10c [ 49.860935][ T4776] should_failslab+0x10/0x28 [ 49.861653][ T4776] slab_pre_alloc_hook+0x64/0xec [ 49.862419][ T4776] kmem_cache_alloc+0x94/0x3e4 [ 49.863119][ T4776] start_transaction+0x4d0/0x13f0 [ 49.863817][ T4776] btrfs_start_transaction+0x34/0x44 [ 49.864539][ T4776] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 49.865363][ T4776] btrfs_ioctl+0x5f0/0xb38 [ 49.865993][ T4776] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.866692][ T4776] invoke_syscall+0x98/0x2b8 [ 49.867336][ T4776] el0_svc_common+0x138/0x258 [ 49.868049][ T4776] do_el0_svc+0x58/0x14c [ 49.868680][ T4776] el0_svc+0x78/0x1e0 [ 49.869230][ T4776] el0t_64_sync_handler+0xcc/0xe4 [ 49.869875][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 49.918578][ T4287] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 10 /dev/loop0 scanned by udevd (4287) [ 50.012620][ T4797] loop0: detected capacity change from 0 to 32768 [ 50.052630][ T4797] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.054167][ T4797] BTRFS info (device loop0): use zlib compression, level 3 [ 50.055432][ T4797] BTRFS info (device loop0): disabling tree log [ 50.056561][ T4797] BTRFS info (device loop0): turning on sync discard [ 50.057704][ T4797] BTRFS info (device loop0): enabling ssd optimizations [ 50.059318][ T4797] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.060560][ T4797] BTRFS info (device loop0): using free space tree [ 50.061479][ T4797] BTRFS info (device loop0): has skinny extents [ 50.075976][ T4797] FAULT_INJECTION: forcing a failure. [ 50.075976][ T4797] name failslab, interval 1, probability 0, space 0, times 0 [ 50.077969][ T4797] CPU: 1 PID: 4797 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.079414][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.080894][ T4797] Call trace: [ 50.081337][ T4797] dump_backtrace+0x0/0x43c [ 50.082016][ T4797] show_stack+0x2c/0x3c [ 50.082623][ T4797] __dump_stack+0x30/0x40 [ 50.083287][ T4797] dump_stack_lvl+0xf8/0x160 [ 50.083948][ T4797] dump_stack+0x1c/0x5c [ 50.084530][ T4797] should_fail+0x3c0/0x51c [ 50.085196][ T4797] __should_failslab+0xbc/0x10c [ 50.085881][ T4797] should_failslab+0x10/0x28 [ 50.086550][ T4797] slab_pre_alloc_hook+0x64/0xec [ 50.087227][ T4797] kmem_cache_alloc+0x94/0x3e4 [ 50.087902][ T4797] btrfs_alloc_path+0x5c/0x68 [ 50.088516][ T4797] __btrfs_free_extent+0x19c/0x1aa4 [ 50.089338][ T4797] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 50.090183][ T4797] btrfs_run_delayed_refs+0x124/0x46c [ 50.091016][ T4797] btrfs_commit_transaction+0x1b8/0x3044 [ 50.091821][ T4797] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.092604][ T4797] btrfs_ioctl+0x5f0/0xb38 [ 50.093281][ T4797] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.094025][ T4797] invoke_syscall+0x98/0x2b8 [ 50.094736][ T4797] el0_svc_common+0x138/0x258 [ 50.095421][ T4797] do_el0_svc+0x58/0x14c [ 50.096043][ T4797] el0_svc+0x78/0x1e0 [ 50.096683][ T4797] el0t_64_sync_handler+0xcc/0xe4 [ 50.097448][ T4797] el0t_64_sync+0x1a0/0x1a4 [ 50.098989][ T4797] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 50.100966][ T4797] ------------[ cut here ]------------ [ 50.101905][ T4797] WARNING: CPU: 1 PID: 4797 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 50.103500][ T4797] Modules linked in: [ 50.104087][ T4797] CPU: 1 PID: 4797 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.105445][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.106962][ T4797] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.108221][ T4797] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.109144][ T4797] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.110110][ T4797] sp : ffff80001fad77d0 [ 50.110768][ T4797] x29: ffff80001fad77e0 x28: ffff0000cb8d5000 x27: dfff800000000000 [ 50.112047][ T4797] x26: ffff0000cb8d5024 x25: ffff0000d5b54000 x24: 1fffe0001be356e7 [ 50.113302][ T4797] x23: 1fffe0001be356e7 x22: ffff0000df1ab738 x21: 00000000fffffff4 [ 50.114530][ T4797] x20: 0000000000000051 x19: ffff0000df1ab6e0 x18: 0000000000000001 [ 50.115789][ T4797] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 50.117007][ T4797] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.118279][ T4797] x11: 0000000000000000 x10: 0000000000000000 x9 : e91617a50cc34700 [ 50.119601][ T4797] x8 : e91617a50cc34700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.120790][ T4797] x5 : ffff80001fad70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 50.122120][ T4797] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.123459][ T4797] Call trace: [ 50.124004][ T4797] btrfs_run_delayed_refs+0x3f4/0x46c [ 50.124819][ T4797] btrfs_commit_transaction+0x1b8/0x3044 [ 50.125670][ T4797] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.126551][ T4797] btrfs_ioctl+0x5f0/0xb38 [ 50.127190][ T4797] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.127923][ T4797] invoke_syscall+0x98/0x2b8 [ 50.128857][ T4797] el0_svc_common+0x138/0x258 [ 50.129511][ T4797] do_el0_svc+0x58/0x14c [ 50.130118][ T4797] el0_svc+0x78/0x1e0 [ 50.130712][ T4797] el0t_64_sync_handler+0xcc/0xe4 [ 50.131411][ T4797] el0t_64_sync+0x1a0/0x1a4 [ 50.132065][ T4797] irq event stamp: 79322 [ 50.132720][ T4797] hardirqs last enabled at (79321): [] __up_console_sem+0xb4/0x100 [ 50.134154][ T4797] hardirqs last disabled at (79322): [] el1_dbg+0x24/0x80 [ 50.135463][ T4797] softirqs last enabled at (79290): [] handle_softirqs+0xa4c/0xbf0 [ 50.136841][ T4797] softirqs last disabled at (79239): [] __irq_exit_rcu+0x240/0x440 [ 50.138233][ T4797] ---[ end trace 21574b08a91c356c ]--- [ 50.139756][ T4797] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 50.141217][ T4797] BTRFS info (device loop0): forced readonly [ 50.159011][ T4076] Bluetooth: hci0: command 0x041b tx timeout [ 50.279260][ T4820] loop0: detected capacity change from 0 to 32768 [ 50.286486][ T4820] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4820) [ 50.292927][ T4820] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.294243][ T4820] BTRFS info (device loop0): use zlib compression, level 3 [ 50.295386][ T4820] BTRFS info (device loop0): disabling tree log [ 50.296422][ T4820] BTRFS info (device loop0): turning on sync discard [ 50.297547][ T4820] BTRFS info (device loop0): enabling ssd optimizations [ 50.299167][ T4820] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.300331][ T4820] BTRFS info (device loop0): using free space tree [ 50.301368][ T4820] BTRFS info (device loop0): has skinny extents [ 50.311334][ T4820] FAULT_INJECTION: forcing a failure. [ 50.311334][ T4820] name failslab, interval 1, probability 0, space 0, times 0 [ 50.313373][ T4820] CPU: 0 PID: 4820 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.314760][ T4820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.316350][ T4820] Call trace: [ 50.316839][ T4820] dump_backtrace+0x0/0x43c [ 50.317540][ T4820] show_stack+0x2c/0x3c [ 50.318194][ T4820] __dump_stack+0x30/0x40 [ 50.318872][ T4820] dump_stack_lvl+0xf8/0x160 [ 50.319572][ T4820] dump_stack+0x1c/0x5c [ 50.320233][ T4820] should_fail+0x3c0/0x51c [ 50.320887][ T4820] __should_failslab+0xbc/0x10c [ 50.321616][ T4820] should_failslab+0x10/0x28 [ 50.322247][ T4820] slab_pre_alloc_hook+0x64/0xec [ 50.322921][ T4820] kmem_cache_alloc+0x94/0x3e4 [ 50.323601][ T4820] btrfs_alloc_path+0x5c/0x68 [ 50.324302][ T4820] __btrfs_run_delayed_refs+0xd70/0x3354 [ 50.325108][ T4820] btrfs_run_delayed_refs+0x124/0x46c [ 50.325873][ T4820] btrfs_commit_transaction+0x1b8/0x3044 [ 50.326687][ T4820] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.327499][ T4820] btrfs_ioctl+0x5f0/0xb38 [ 50.328115][ T4820] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.328864][ T4820] invoke_syscall+0x98/0x2b8 [ 50.329568][ T4820] el0_svc_common+0x138/0x258 [ 50.330272][ T4820] do_el0_svc+0x58/0x14c [ 50.330838][ T4820] el0_svc+0x78/0x1e0 [ 50.331452][ T4820] el0t_64_sync_handler+0xcc/0xe4 [ 50.332192][ T4820] el0t_64_sync+0x1a0/0x1a4 [ 50.334590][ T4820] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 50.336573][ T4820] ------------[ cut here ]------------ [ 50.337484][ T4820] WARNING: CPU: 0 PID: 4820 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 50.338977][ T4820] Modules linked in: [ 50.339558][ T4820] CPU: 0 PID: 4820 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.340888][ T4820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.342406][ T4820] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.343534][ T4820] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.344388][ T4820] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.345295][ T4820] sp : ffff80001fb577d0 [ 50.345930][ T4820] x29: ffff80001fb577e0 x28: ffff0000c1634000 x27: dfff800000000000 [ 50.347123][ T4820] x26: ffff0000c1634024 x25: ffff0000d7490000 x24: 1fffe0001be3b2d1 [ 50.348356][ T4820] x23: 1fffe0001be3b2d1 x22: ffff0000df1d9688 x21: 00000000fffffff4 [ 50.349739][ T4820] x20: 0000000000000051 x19: ffff0000df1d9630 x18: 0000000000000001 [ 50.350989][ T4820] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 50.352287][ T4820] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.353550][ T4820] x11: 0000000000000000 x10: 0000000000000000 x9 : 9c19c13380724e00 [ 50.354807][ T4820] x8 : 9c19c13380724e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.356018][ T4820] x5 : ffff80001fb570b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 50.357223][ T4820] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.358392][ T4820] Call trace: [ 50.358863][ T4820] btrfs_run_delayed_refs+0x3f4/0x46c [ 50.359610][ T4820] btrfs_commit_transaction+0x1b8/0x3044 [ 50.360446][ T4820] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.361225][ T4820] btrfs_ioctl+0x5f0/0xb38 [ 50.361849][ T4820] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.362570][ T4820] invoke_syscall+0x98/0x2b8 [ 50.363227][ T4820] el0_svc_common+0x138/0x258 [ 50.363933][ T4820] do_el0_svc+0x58/0x14c [ 50.364567][ T4820] el0_svc+0x78/0x1e0 [ 50.365131][ T4820] el0t_64_sync_handler+0xcc/0xe4 [ 50.365836][ T4820] el0t_64_sync+0x1a0/0x1a4 [ 50.366474][ T4820] irq event stamp: 79520 [ 50.367081][ T4820] hardirqs last enabled at (79519): [] __up_console_sem+0xb4/0x100 [ 50.368489][ T4820] hardirqs last disabled at (79520): [] el1_dbg+0x24/0x80 [ 50.369783][ T4820] softirqs last enabled at (79486): [] handle_softirqs+0xa4c/0xbf0 [ 50.371097][ T4820] softirqs last disabled at (79409): [] __irq_exit_rcu+0x240/0x440 [ 50.372409][ T4820] ---[ end trace 21574b08a91c356d ]--- [ 50.375221][ T4820] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 50.376782][ T4820] BTRFS info (device loop0): forced readonly [ 50.529565][ T4842] loop0: detected capacity change from 0 to 32768 [ 50.619423][ T4842] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4842) [ 50.622524][ T4842] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.624458][ T4842] BTRFS info (device loop0): use zlib compression, level 3 [ 50.625664][ T4842] BTRFS info (device loop0): disabling tree log [ 50.626555][ T4842] BTRFS info (device loop0): turning on sync discard [ 50.627618][ T4842] BTRFS info (device loop0): enabling ssd optimizations [ 50.628772][ T4842] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.630298][ T4842] BTRFS info (device loop0): using free space tree [ 50.631423][ T4842] BTRFS info (device loop0): has skinny extents [ 50.642349][ T4842] FAULT_INJECTION: forcing a failure. [ 50.642349][ T4842] name failslab, interval 1, probability 0, space 0, times 0 [ 50.644405][ T4842] CPU: 0 PID: 4842 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.645742][ T4842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.647228][ T4842] Call trace: [ 50.647715][ T4842] dump_backtrace+0x0/0x43c [ 50.648409][ T4842] show_stack+0x2c/0x3c [ 50.648997][ T4842] __dump_stack+0x30/0x40 [ 50.649690][ T4842] dump_stack_lvl+0xf8/0x160 [ 50.650358][ T4842] dump_stack+0x1c/0x5c [ 50.650932][ T4842] should_fail+0x3c0/0x51c [ 50.651523][ T4842] __should_failslab+0xbc/0x10c [ 50.652209][ T4842] should_failslab+0x10/0x28 [ 50.652973][ T4842] slab_pre_alloc_hook+0x64/0xec [ 50.653731][ T4842] kmem_cache_alloc+0x94/0x3e4 [ 50.654415][ T4842] btrfs_alloc_path+0x5c/0x68 [ 50.655115][ T4842] __btrfs_free_extent+0x19c/0x1aa4 [ 50.655892][ T4842] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 50.656695][ T4842] btrfs_run_delayed_refs+0x124/0x46c [ 50.657481][ T4842] btrfs_commit_transaction+0x1b8/0x3044 [ 50.658292][ T4842] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.659056][ T4842] btrfs_ioctl+0x5f0/0xb38 [ 50.659724][ T4842] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.660405][ T4842] invoke_syscall+0x98/0x2b8 [ 50.661122][ T4842] el0_svc_common+0x138/0x258 [ 50.661799][ T4842] do_el0_svc+0x58/0x14c [ 50.662388][ T4842] el0_svc+0x78/0x1e0 [ 50.663007][ T4842] el0t_64_sync_handler+0xcc/0xe4 [ 50.663788][ T4842] el0t_64_sync+0x1a0/0x1a4 [ 50.665367][ T4842] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 50.667337][ T4842] ------------[ cut here ]------------ [ 50.668434][ T4842] WARNING: CPU: 0 PID: 4842 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 50.669951][ T4842] Modules linked in: [ 50.670557][ T4842] CPU: 0 PID: 4842 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.671924][ T4842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.673318][ T4842] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.674477][ T4842] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.675343][ T4842] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.676206][ T4842] sp : ffff8000200577d0 [ 50.676761][ T4842] x29: ffff8000200577e0 x28: ffff0000cb8d4000 x27: dfff800000000000 [ 50.677930][ T4842] x26: ffff0000cb8d4024 x25: ffff0000d6b08000 x24: 1fffe0001be3b2e7 [ 50.679107][ T4842] x23: 1fffe0001be3b2e7 x22: ffff0000df1d9738 x21: 00000000fffffff4 [ 50.680327][ T4842] x20: 0000000000000051 x19: ffff0000df1d96e0 x18: 0000000000000001 [ 50.681504][ T4842] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 50.682725][ T4842] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.683852][ T4842] x11: 0000000000000000 x10: 0000000000000000 x9 : 085faa1f331eb400 [ 50.684999][ T4842] x8 : 085faa1f331eb400 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.686119][ T4842] x5 : ffff8000200570b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 50.687301][ T4842] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.688414][ T4842] Call trace: [ 50.688879][ T4842] btrfs_run_delayed_refs+0x3f4/0x46c [ 50.689725][ T4842] btrfs_commit_transaction+0x1b8/0x3044 [ 50.690500][ T4842] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.691319][ T4842] btrfs_ioctl+0x5f0/0xb38 [ 50.691944][ T4842] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.692625][ T4842] invoke_syscall+0x98/0x2b8 [ 50.693355][ T4842] el0_svc_common+0x138/0x258 [ 50.694124][ T4842] do_el0_svc+0x58/0x14c [ 50.694722][ T4842] el0_svc+0x78/0x1e0 [ 50.695359][ T4842] el0t_64_sync_handler+0xcc/0xe4 [ 50.696095][ T4842] el0t_64_sync+0x1a0/0x1a4 [ 50.696731][ T4842] irq event stamp: 79782 [ 50.697334][ T4842] hardirqs last enabled at (79781): [] __up_console_sem+0xb4/0x100 [ 50.698733][ T4842] hardirqs last disabled at (79782): [] el1_dbg+0x24/0x80 [ 50.700030][ T4842] softirqs last enabled at (79746): [] handle_softirqs+0xa4c/0xbf0 [ 50.701459][ T4842] softirqs last disabled at (79699): [] __irq_exit_rcu+0x240/0x440 [ 50.702986][ T4842] ---[ end trace 21574b08a91c356e ]--- [ 50.704787][ T4842] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 50.706284][ T4842] BTRFS info (device loop0): forced readonly [ 50.843638][ T4864] loop0: detected capacity change from 0 to 32768 [ 50.852018][ T4864] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4864) [ 50.856781][ T4864] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.858342][ T4864] BTRFS info (device loop0): use zlib compression, level 3 [ 50.871397][ T4864] FAULT_INJECTION: forcing a failure. [ 50.871397][ T4864] name failslab, interval 1, probability 0, space 0, times 0 [ 50.873750][ T4864] CPU: 1 PID: 4864 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.875045][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.876552][ T4864] Call trace: [ 50.877018][ T4864] dump_backtrace+0x0/0x43c [ 50.877672][ T4864] show_stack+0x2c/0x3c [ 50.878251][ T4864] __dump_stack+0x30/0x40 [ 50.878899][ T4864] dump_stack_lvl+0xf8/0x160 [ 50.879613][ T4864] dump_stack+0x1c/0x5c [ 50.880243][ T4864] should_fail+0x3c0/0x51c [ 50.880861][ T4864] __should_failslab+0xbc/0x10c [ 50.881592][ T4864] should_failslab+0x10/0x28 [ 50.882239][ T4864] slab_pre_alloc_hook+0x64/0xec [ 50.882916][ T4864] kmem_cache_alloc+0x94/0x3e4 [ 50.883599][ T4864] btrfs_alloc_path+0x5c/0x68 [ 50.884307][ T4864] __btrfs_free_extent+0x19c/0x1aa4 [ 50.885036][ T4864] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 50.885856][ T4864] btrfs_run_delayed_refs+0x124/0x46c [ 50.886643][ T4864] btrfs_commit_transaction+0x1b8/0x3044 [ 50.887487][ T4864] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.888321][ T4864] btrfs_ioctl+0x5f0/0xb38 [ 50.889039][ T4864] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.889756][ T4864] invoke_syscall+0x98/0x2b8 [ 50.890426][ T4864] el0_svc_common+0x138/0x258 [ 50.891064][ T4864] do_el0_svc+0x58/0x14c [ 50.891663][ T4864] el0_svc+0x78/0x1e0 [ 50.892200][ T4864] el0t_64_sync_handler+0xcc/0xe4 [ 50.892914][ T4864] el0t_64_sync+0x1a0/0x1a4 [ 50.895947][ T4864] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 50.898066][ T4864] ------------[ cut here ]------------ [ 50.899978][ T4864] WARNING: CPU: 1 PID: 4864 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 50.901528][ T4864] Modules linked in: [ 50.902159][ T4864] CPU: 1 PID: 4864 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.903630][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.905227][ T4864] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.906474][ T4864] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.907348][ T4864] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.908224][ T4864] sp : ffff8000201577d0 [ 50.908842][ T4864] x29: ffff8000201577e0 x28: ffff0000cb8d3000 x27: dfff800000000000 [ 50.910111][ T4864] x26: ffff0000cb8d3024 x25: ffff0000ce510000 x24: 1fffe0001be3560b [ 50.911341][ T4864] x23: 1fffe0001be3560b x22: ffff0000df1ab058 x21: 00000000fffffff4 [ 50.912505][ T4864] x20: 0000000000000051 x19: ffff0000df1ab000 x18: 0000000000000001 [ 50.913770][ T4864] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 50.914917][ T4864] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.916124][ T4864] x11: 0000000000000000 x10: 0000000000000000 x9 : 57fee28120775200 [ 50.917378][ T4864] x8 : 57fee28120775200 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.918605][ T4864] x5 : ffff8000201570b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 50.919775][ T4864] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.920865][ T4864] Call trace: [ 50.921355][ T4864] btrfs_run_delayed_refs+0x3f4/0x46c [ 50.922162][ T4864] btrfs_commit_transaction+0x1b8/0x3044 [ 50.922948][ T4864] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.923767][ T4864] btrfs_ioctl+0x5f0/0xb38 [ 50.924630][ T4864] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.925367][ T4864] invoke_syscall+0x98/0x2b8 [ 50.926089][ T4864] el0_svc_common+0x138/0x258 [ 50.926725][ T4864] do_el0_svc+0x58/0x14c [ 50.927382][ T4864] el0_svc+0x78/0x1e0 [ 50.927948][ T4864] el0t_64_sync_handler+0xcc/0xe4 [ 50.928626][ T4864] el0t_64_sync+0x1a0/0x1a4 [ 50.929253][ T4864] irq event stamp: 79414 [ 50.929873][ T4864] hardirqs last enabled at (79413): [] __up_console_sem+0xb4/0x100 [ 50.931262][ T4864] hardirqs last disabled at (79414): [] el1_dbg+0x24/0x80 [ 50.932574][ T4864] softirqs last enabled at (79402): [] handle_softirqs+0xa4c/0xbf0 [ 50.934040][ T4864] softirqs last disabled at (79395): [] __irq_exit_rcu+0x240/0x440 [ 50.935483][ T4864] ---[ end trace 21574b08a91c356f ]--- [ 50.938681][ T4864] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 51.067383][ T4886] loop0: detected capacity change from 0 to 32768 [ 51.130773][ T4886] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4886) [ 51.196450][ T4886] FAULT_INJECTION: forcing a failure. [ 51.196450][ T4886] name failslab, interval 1, probability 0, space 0, times 0 [ 51.198865][ T4886] CPU: 1 PID: 4886 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.200334][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.201871][ T4886] Call trace: [ 51.202393][ T4886] dump_backtrace+0x0/0x43c [ 51.203083][ T4886] show_stack+0x2c/0x3c [ 51.203769][ T4886] __dump_stack+0x30/0x40 [ 51.204414][ T4886] dump_stack_lvl+0xf8/0x160 [ 51.205143][ T4886] dump_stack+0x1c/0x5c [ 51.205758][ T4886] should_fail+0x3c0/0x51c [ 51.206434][ T4886] __should_failslab+0xbc/0x10c [ 51.207183][ T4886] should_failslab+0x10/0x28 [ 51.207829][ T4886] slab_pre_alloc_hook+0x64/0xec [ 51.208528][ T4886] kmem_cache_alloc+0x94/0x3e4 [ 51.209271][ T4886] btrfs_alloc_path+0x5c/0x68 [ 51.209939][ T4886] __btrfs_free_extent+0x19c/0x1aa4 [ 51.210697][ T4886] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 51.211527][ T4886] btrfs_run_delayed_refs+0x124/0x46c [ 51.212349][ T4886] btrfs_commit_transaction+0x1b8/0x3044 [ 51.213158][ T4886] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.213978][ T4886] btrfs_ioctl+0x5f0/0xb38 [ 51.214602][ T4886] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.215340][ T4886] invoke_syscall+0x98/0x2b8 [ 51.215989][ T4886] el0_svc_common+0x138/0x258 [ 51.216660][ T4886] do_el0_svc+0x58/0x14c [ 51.217263][ T4886] el0_svc+0x78/0x1e0 [ 51.217843][ T4886] el0t_64_sync_handler+0xcc/0xe4 [ 51.218549][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 51.220603][ T4886] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 51.222591][ T4886] ------------[ cut here ]------------ [ 51.223531][ T4886] WARNING: CPU: 1 PID: 4886 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 51.225099][ T4886] Modules linked in: [ 51.225650][ T4886] CPU: 1 PID: 4886 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.226975][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.228563][ T4886] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.229788][ T4886] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.230644][ T4886] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.231512][ T4886] sp : ffff8000201577d0 [ 51.232125][ T4886] x29: ffff8000201577e0 x28: ffff0000cb8d0000 x27: dfff800000000000 [ 51.233357][ T4886] x26: ffff0000cb8d0024 x25: ffff0000ce510000 x24: 1fffe0001be35729 [ 51.234468][ T4886] x23: 1fffe0001be35729 x22: ffff0000df1ab948 x21: 00000000fffffff4 [ 51.235780][ T4886] x20: 0000000000000051 x19: ffff0000df1ab8f0 x18: 0000000000000001 [ 51.236990][ T4886] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 51.238183][ T4886] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.239353][ T4886] x11: 0000000000000000 x10: 0000000000000000 x9 : ce03ad455ae6e600 [ 51.240616][ T4886] x8 : ce03ad455ae6e600 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.241822][ T4886] x5 : ffff8000201570b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 51.243080][ T4886] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.244246][ T4886] Call trace: [ 51.244778][ T4886] btrfs_run_delayed_refs+0x3f4/0x46c [ 51.245641][ T4886] btrfs_commit_transaction+0x1b8/0x3044 [ 51.246517][ T4886] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.247313][ T4886] btrfs_ioctl+0x5f0/0xb38 [ 51.247947][ T4886] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.248641][ T4886] invoke_syscall+0x98/0x2b8 [ 51.249278][ T4886] el0_svc_common+0x138/0x258 [ 51.249904][ T4886] do_el0_svc+0x58/0x14c [ 51.250514][ T4886] el0_svc+0x78/0x1e0 [ 51.251087][ T4886] el0t_64_sync_handler+0xcc/0xe4 [ 51.251869][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 51.252529][ T4886] irq event stamp: 78860 [ 51.253099][ T4886] hardirqs last enabled at (78859): [] __up_console_sem+0xb4/0x100 [ 51.254483][ T4886] hardirqs last disabled at (78860): [] el1_dbg+0x24/0x80 [ 51.255708][ T4886] softirqs last enabled at (78824): [] handle_softirqs+0xa4c/0xbf0 [ 51.257194][ T4886] softirqs last disabled at (78801): [] __irq_exit_rcu+0x240/0x440 [ 51.258656][ T4886] ---[ end trace 21574b08a91c3570 ]--- [ 51.260868][ T4886] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory 1970/01/01 00:00:51 executed programs: 13 [ 51.439747][ T4908] loop0: detected capacity change from 0 to 32768 [ 51.494020][ T4908] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4908) [ 51.508329][ T4908] FAULT_INJECTION: forcing a failure. [ 51.508329][ T4908] name failslab, interval 1, probability 0, space 0, times 0 [ 51.510402][ T4908] CPU: 0 PID: 4908 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.511865][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.513452][ T4908] Call trace: [ 51.513981][ T4908] dump_backtrace+0x0/0x43c [ 51.514679][ T4908] show_stack+0x2c/0x3c [ 51.515286][ T4908] __dump_stack+0x30/0x40 [ 51.515965][ T4908] dump_stack_lvl+0xf8/0x160 [ 51.516654][ T4908] dump_stack+0x1c/0x5c [ 51.517267][ T4908] should_fail+0x3c0/0x51c [ 51.517940][ T4908] __should_failslab+0xbc/0x10c [ 51.518648][ T4908] should_failslab+0x10/0x28 [ 51.519268][ T4908] slab_pre_alloc_hook+0x64/0xec [ 51.519970][ T4908] kmem_cache_alloc+0x94/0x3e4 [ 51.520699][ T4908] start_transaction+0x4d0/0x13f0 [ 51.521447][ T4908] btrfs_start_transaction+0x34/0x44 [ 51.522254][ T4908] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 51.523119][ T4908] btrfs_ioctl+0x5f0/0xb38 [ 51.523818][ T4908] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.524574][ T4908] invoke_syscall+0x98/0x2b8 [ 51.525242][ T4908] el0_svc_common+0x138/0x258 [ 51.525901][ T4908] do_el0_svc+0x58/0x14c [ 51.526549][ T4908] el0_svc+0x78/0x1e0 [ 51.527087][ T4908] el0t_64_sync_handler+0xcc/0xe4 [ 51.527842][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 51.576968][ T4287] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 10 /dev/loop0 scanned by udevd (4287) [ 51.673688][ T4929] loop0: detected capacity change from 0 to 32768 [ 51.824630][ T4929] FAULT_INJECTION: forcing a failure. [ 51.824630][ T4929] name failslab, interval 1, probability 0, space 0, times 0 [ 51.826618][ T4929] CPU: 0 PID: 4929 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.827959][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.829454][ T4929] Call trace: [ 51.829949][ T4929] dump_backtrace+0x0/0x43c [ 51.830728][ T4929] show_stack+0x2c/0x3c [ 51.831342][ T4929] __dump_stack+0x30/0x40 [ 51.832001][ T4929] dump_stack_lvl+0xf8/0x160 [ 51.832704][ T4929] dump_stack+0x1c/0x5c [ 51.833324][ T4929] should_fail+0x3c0/0x51c [ 51.833992][ T4929] __should_failslab+0xbc/0x10c [ 51.834698][ T4929] should_failslab+0x10/0x28 [ 51.835358][ T4929] slab_pre_alloc_hook+0x64/0xec [ 51.836043][ T4929] kmem_cache_alloc+0x94/0x3e4 [ 51.836744][ T4929] btrfs_alloc_path+0x5c/0x68 [ 51.837422][ T4929] __btrfs_free_extent+0x19c/0x1aa4 [ 51.838175][ T4929] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 51.838940][ T4929] btrfs_run_delayed_refs+0x124/0x46c [ 51.839747][ T4929] btrfs_commit_transaction+0x1b8/0x3044 [ 51.840548][ T4929] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.841379][ T4929] btrfs_ioctl+0x5f0/0xb38 [ 51.842022][ T4929] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.842727][ T4929] invoke_syscall+0x98/0x2b8 [ 51.843454][ T4929] el0_svc_common+0x138/0x258 [ 51.844101][ T4929] do_el0_svc+0x58/0x14c [ 51.844747][ T4929] el0_svc+0x78/0x1e0 [ 51.845320][ T4929] el0t_64_sync_handler+0xcc/0xe4 [ 51.846056][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 51.848611][ T4929] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 51.850496][ T4929] ------------[ cut here ]------------ [ 51.851363][ T4929] WARNING: CPU: 0 PID: 4929 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 51.852757][ T4929] Modules linked in: [ 51.853310][ T4929] CPU: 0 PID: 4929 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.854677][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.856145][ T4929] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.857272][ T4929] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.858087][ T4929] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.858962][ T4929] sp : ffff8000208c77d0 [ 51.859611][ T4929] x29: ffff8000208c77e0 x28: ffff0000c2843000 x27: dfff800000000000 [ 51.860727][ T4929] x26: ffff0000c2843024 x25: ffff0000ce97c000 x24: 1fffe0001be3b2fd [ 51.861865][ T4929] x23: 1fffe0001be3b2fd x22: ffff0000df1d97e8 x21: 00000000fffffff4 [ 51.863062][ T4929] x20: 0000000000000051 x19: ffff0000df1d9790 x18: 0000000000000001 [ 51.864227][ T4929] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 51.865404][ T4929] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.866583][ T4929] x11: 0000000000000000 x10: 0000000000000000 x9 : ec3c13f1cb7d2400 [ 51.867914][ T4929] x8 : ec3c13f1cb7d2400 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.869165][ T4929] x5 : ffff8000208c70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 51.870353][ T4929] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.871532][ T4929] Call trace: [ 51.872034][ T4929] btrfs_run_delayed_refs+0x3f4/0x46c [ 51.872842][ T4929] btrfs_commit_transaction+0x1b8/0x3044 [ 51.873660][ T4929] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.874442][ T4929] btrfs_ioctl+0x5f0/0xb38 [ 51.875154][ T4929] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.875902][ T4929] invoke_syscall+0x98/0x2b8 [ 51.876562][ T4929] el0_svc_common+0x138/0x258 [ 51.877222][ T4929] do_el0_svc+0x58/0x14c [ 51.877816][ T4929] el0_svc+0x78/0x1e0 [ 51.878399][ T4929] el0t_64_sync_handler+0xcc/0xe4 [ 51.879139][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 51.879811][ T4929] irq event stamp: 80048 [ 51.880365][ T4929] hardirqs last enabled at (80047): [] __up_console_sem+0xb4/0x100 [ 51.881729][ T4929] hardirqs last disabled at (80048): [] el1_dbg+0x24/0x80 [ 51.882998][ T4929] softirqs last enabled at (80016): [] handle_softirqs+0xa4c/0xbf0 [ 51.884358][ T4929] softirqs last disabled at (79957): [] __irq_exit_rcu+0x240/0x440 [ 51.885703][ T4929] ---[ end trace 21574b08a91c3571 ]--- [ 51.889255][ T4929] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.030899][ T4952] loop0: detected capacity change from 0 to 32768 [ 52.038541][ T4952] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4952) [ 52.056510][ T4952] FAULT_INJECTION: forcing a failure. [ 52.056510][ T4952] name failslab, interval 1, probability 0, space 0, times 0 [ 52.059080][ T4952] CPU: 0 PID: 4952 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.060346][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.061948][ T4952] Call trace: [ 52.062467][ T4952] dump_backtrace+0x0/0x43c [ 52.063148][ T4952] show_stack+0x2c/0x3c [ 52.063727][ T4952] __dump_stack+0x30/0x40 [ 52.064427][ T4952] dump_stack_lvl+0xf8/0x160 [ 52.065089][ T4952] dump_stack+0x1c/0x5c [ 52.065693][ T4952] should_fail+0x3c0/0x51c [ 52.066310][ T4952] __should_failslab+0xbc/0x10c [ 52.066997][ T4952] should_failslab+0x10/0x28 [ 52.067687][ T4952] slab_pre_alloc_hook+0x64/0xec [ 52.068411][ T4952] kmem_cache_alloc+0x94/0x3e4 [ 52.069057][ T4952] btrfs_alloc_path+0x5c/0x68 [ 52.069765][ T4952] __btrfs_run_delayed_refs+0xd70/0x3354 [ 52.070593][ T4952] btrfs_run_delayed_refs+0x124/0x46c [ 52.071344][ T4952] btrfs_commit_transaction+0x1b8/0x3044 [ 52.072157][ T4952] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.073004][ T4952] btrfs_ioctl+0x5f0/0xb38 [ 52.073632][ T4952] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.074302][ T4952] invoke_syscall+0x98/0x2b8 [ 52.074902][ T4952] el0_svc_common+0x138/0x258 [ 52.075623][ T4952] do_el0_svc+0x58/0x14c [ 52.076274][ T4952] el0_svc+0x78/0x1e0 [ 52.077134][ T4952] el0t_64_sync_handler+0xcc/0xe4 [ 52.077916][ T4952] el0t_64_sync+0x1a0/0x1a4 [ 52.079579][ T4952] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 52.081728][ T4952] ------------[ cut here ]------------ [ 52.082639][ T4952] WARNING: CPU: 0 PID: 4952 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.084264][ T4952] Modules linked in: [ 52.084854][ T4952] CPU: 0 PID: 4952 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.086270][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.087835][ T4952] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.089052][ T4952] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.089851][ T4952] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.090653][ T4952] sp : ffff8000209c77d0 [ 52.091247][ T4952] x29: ffff8000209c77e0 x28: ffff0000c1631000 x27: dfff800000000000 [ 52.092444][ T4952] x26: ffff0000c1631024 x25: ffff0000d53b0000 x24: 1fffe0001be3b329 [ 52.093750][ T4952] x23: 1fffe0001be3b329 x22: ffff0000df1d9948 x21: 00000000fffffff4 [ 52.095032][ T4952] x20: 0000000000000051 x19: ffff0000df1d98f0 x18: 0000000000000001 [ 52.096261][ T4952] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.097463][ T4952] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.098633][ T4952] x11: 0000000000000000 x10: 0000000000000000 x9 : 27e5292edf480c00 [ 52.099806][ T4952] x8 : 27e5292edf480c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.100948][ T4952] x5 : ffff8000209c70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.102112][ T4952] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.103256][ T4952] Call trace: [ 52.103718][ T4952] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.104535][ T4952] btrfs_commit_transaction+0x1b8/0x3044 [ 52.105364][ T4952] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.106152][ T4952] btrfs_ioctl+0x5f0/0xb38 [ 52.106803][ T4952] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.107524][ T4952] invoke_syscall+0x98/0x2b8 [ 52.108206][ T4952] el0_svc_common+0x138/0x258 [ 52.108920][ T4952] do_el0_svc+0x58/0x14c [ 52.109550][ T4952] el0_svc+0x78/0x1e0 [ 52.110150][ T4952] el0t_64_sync_handler+0xcc/0xe4 [ 52.110913][ T4952] el0t_64_sync+0x1a0/0x1a4 [ 52.111567][ T4952] irq event stamp: 79678 [ 52.112164][ T4952] hardirqs last enabled at (79677): [] __up_console_sem+0xb4/0x100 [ 52.113499][ T4952] hardirqs last disabled at (79678): [] el1_dbg+0x24/0x80 [ 52.114753][ T4952] softirqs last enabled at (79636): [] handle_softirqs+0xa4c/0xbf0 [ 52.116136][ T4952] softirqs last disabled at (79581): [] __irq_exit_rcu+0x240/0x440 [ 52.117507][ T4952] ---[ end trace 21574b08a91c3572 ]--- [ 52.119233][ T4952] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.238277][ T4076] Bluetooth: hci0: command 0x040f tx timeout [ 52.249367][ T4974] loop0: detected capacity change from 0 to 32768 [ 52.299858][ T4974] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4974) [ 52.303823][ T4974] btrfs_printk: 42 callbacks suppressed [ 52.303832][ T4974] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.306068][ T4974] BTRFS info (device loop0): use zlib compression, level 3 [ 52.307174][ T4974] BTRFS info (device loop0): disabling tree log [ 52.308614][ T4974] BTRFS info (device loop0): turning on sync discard [ 52.309621][ T4974] BTRFS info (device loop0): enabling ssd optimizations [ 52.310709][ T4974] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.311821][ T4974] BTRFS info (device loop0): using free space tree [ 52.312800][ T4974] BTRFS info (device loop0): has skinny extents [ 52.322797][ T4974] FAULT_INJECTION: forcing a failure. [ 52.322797][ T4974] name failslab, interval 1, probability 0, space 0, times 0 [ 52.324667][ T4974] CPU: 0 PID: 4974 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.326005][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.327445][ T4974] Call trace: [ 52.327885][ T4974] dump_backtrace+0x0/0x43c [ 52.328566][ T4974] show_stack+0x2c/0x3c [ 52.329130][ T4974] __dump_stack+0x30/0x40 [ 52.329791][ T4974] dump_stack_lvl+0xf8/0x160 [ 52.330449][ T4974] dump_stack+0x1c/0x5c [ 52.331038][ T4974] should_fail+0x3c0/0x51c [ 52.331691][ T4974] __should_failslab+0xbc/0x10c [ 52.332407][ T4974] should_failslab+0x10/0x28 [ 52.333133][ T4974] slab_pre_alloc_hook+0x64/0xec [ 52.333800][ T4974] kmem_cache_alloc+0x94/0x3e4 [ 52.334472][ T4974] btrfs_alloc_path+0x5c/0x68 [ 52.335185][ T4974] __btrfs_free_extent+0x19c/0x1aa4 [ 52.335992][ T4974] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 52.336860][ T4974] btrfs_run_delayed_refs+0x124/0x46c [ 52.337643][ T4974] btrfs_commit_transaction+0x1b8/0x3044 [ 52.338438][ T4974] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.339223][ T4974] btrfs_ioctl+0x5f0/0xb38 [ 52.339855][ T4974] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.340610][ T4974] invoke_syscall+0x98/0x2b8 [ 52.341256][ T4974] el0_svc_common+0x138/0x258 [ 52.341934][ T4974] do_el0_svc+0x58/0x14c [ 52.342570][ T4974] el0_svc+0x78/0x1e0 [ 52.343191][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 52.343897][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 52.346352][ T4974] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 52.348504][ T4974] ------------[ cut here ]------------ [ 52.349455][ T4974] WARNING: CPU: 0 PID: 4974 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.351036][ T4974] Modules linked in: [ 52.351607][ T4974] CPU: 0 PID: 4974 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.352977][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.354469][ T4974] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.355635][ T4974] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.356447][ T4974] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.357287][ T4974] sp : ffff800020ad77d0 [ 52.357872][ T4974] x29: ffff800020ad77e0 x28: ffff0000c1637000 x27: dfff800000000000 [ 52.359166][ T4974] x26: ffff0000c1637024 x25: ffff0000d24dc000 x24: 1fffe0001be3b355 [ 52.360455][ T4974] x23: 1fffe0001be3b355 x22: ffff0000df1d9aa8 x21: 00000000fffffff4 [ 52.361730][ T4974] x20: 0000000000000051 x19: ffff0000df1d9a50 x18: 0000000000000001 [ 52.362970][ T4974] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.364164][ T4974] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.365386][ T4974] x11: 0000000000000000 x10: 0000000000000000 x9 : 59179d6168327500 [ 52.366564][ T4974] x8 : 59179d6168327500 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.367727][ T4974] x5 : ffff800020ad70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.368906][ T4974] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.370123][ T4974] Call trace: [ 52.370628][ T4974] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.371399][ T4974] btrfs_commit_transaction+0x1b8/0x3044 [ 52.372237][ T4974] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.373047][ T4974] btrfs_ioctl+0x5f0/0xb38 [ 52.373670][ T4974] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.374398][ T4974] invoke_syscall+0x98/0x2b8 [ 52.375046][ T4974] el0_svc_common+0x138/0x258 [ 52.375737][ T4974] do_el0_svc+0x58/0x14c [ 52.376362][ T4974] el0_svc+0x78/0x1e0 [ 52.376899][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 52.377613][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 52.378249][ T4974] irq event stamp: 79298 [ 52.378875][ T4974] hardirqs last enabled at (79297): [] __up_console_sem+0xb4/0x100 [ 52.380294][ T4974] hardirqs last disabled at (79298): [] el1_dbg+0x24/0x80 [ 52.381533][ T4974] softirqs last enabled at (79278): [] handle_softirqs+0xa4c/0xbf0 [ 52.382888][ T4974] softirqs last disabled at (79269): [] __irq_exit_rcu+0x240/0x440 [ 52.384190][ T4974] ---[ end trace 21574b08a91c3573 ]--- [ 52.386986][ T4974] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.388465][ T4974] BTRFS info (device loop0): forced readonly [ 52.521483][ T4996] loop0: detected capacity change from 0 to 32768 [ 52.549533][ T4996] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4996) [ 52.600541][ T4996] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.601885][ T4996] BTRFS info (device loop0): use zlib compression, level 3 [ 52.603005][ T4996] BTRFS info (device loop0): disabling tree log [ 52.604009][ T4996] BTRFS info (device loop0): turning on sync discard [ 52.605058][ T4996] BTRFS info (device loop0): enabling ssd optimizations [ 52.606164][ T4996] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.607381][ T4996] BTRFS info (device loop0): using free space tree [ 52.608541][ T4996] BTRFS info (device loop0): has skinny extents [ 52.617957][ T4996] FAULT_INJECTION: forcing a failure. [ 52.617957][ T4996] name failslab, interval 1, probability 0, space 0, times 0 [ 52.620302][ T4996] CPU: 0 PID: 4996 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.621637][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.623261][ T4996] Call trace: [ 52.623715][ T4996] dump_backtrace+0x0/0x43c [ 52.624384][ T4996] show_stack+0x2c/0x3c [ 52.625037][ T4996] __dump_stack+0x30/0x40 [ 52.625700][ T4996] dump_stack_lvl+0xf8/0x160 [ 52.626427][ T4996] dump_stack+0x1c/0x5c [ 52.627018][ T4996] should_fail+0x3c0/0x51c [ 52.627652][ T4996] __should_failslab+0xbc/0x10c [ 52.628355][ T4996] should_failslab+0x10/0x28 [ 52.629063][ T4996] slab_pre_alloc_hook+0x64/0xec [ 52.629878][ T4996] kmem_cache_alloc+0x94/0x3e4 [ 52.630571][ T4996] btrfs_alloc_path+0x5c/0x68 [ 52.631249][ T4996] __btrfs_free_extent+0x19c/0x1aa4 [ 52.632042][ T4996] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 52.632830][ T4996] btrfs_run_delayed_refs+0x124/0x46c [ 52.633651][ T4996] btrfs_commit_transaction+0x1b8/0x3044 [ 52.634510][ T4996] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.635308][ T4996] btrfs_ioctl+0x5f0/0xb38 [ 52.635976][ T4996] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.636697][ T4996] invoke_syscall+0x98/0x2b8 [ 52.637364][ T4996] el0_svc_common+0x138/0x258 [ 52.638055][ T4996] do_el0_svc+0x58/0x14c [ 52.638697][ T4996] el0_svc+0x78/0x1e0 [ 52.639338][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 52.640076][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 52.641802][ T4996] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 52.643900][ T4996] ------------[ cut here ]------------ [ 52.644835][ T4996] WARNING: CPU: 0 PID: 4996 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.646352][ T4996] Modules linked in: [ 52.646936][ T4996] CPU: 0 PID: 4996 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.648282][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.649733][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.650871][ T4996] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.651736][ T4996] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.652591][ T4996] sp : ffff800020b577d0 [ 52.653190][ T4996] x29: ffff800020b577e0 x28: ffff0000d6cf2000 x27: dfff800000000000 [ 52.654423][ T4996] x26: ffff0000d6cf2024 x25: ffff0000d1688000 x24: 1fffe0001be3b237 [ 52.655730][ T4996] x23: 1fffe0001be3b237 x22: ffff0000df1d91b8 x21: 00000000fffffff4 [ 52.656956][ T4996] x20: 0000000000000051 x19: ffff0000df1d9160 x18: 0000000000000001 [ 52.658148][ T4996] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.659384][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.660642][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : bf2cc01422ec3200 [ 52.661797][ T4996] x8 : bf2cc01422ec3200 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.662968][ T4996] x5 : ffff800020b570b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.664139][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.665350][ T4996] Call trace: [ 52.665839][ T4996] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.666629][ T4996] btrfs_commit_transaction+0x1b8/0x3044 [ 52.667431][ T4996] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.668212][ T4996] btrfs_ioctl+0x5f0/0xb38 [ 52.668848][ T4996] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.669587][ T4996] invoke_syscall+0x98/0x2b8 [ 52.670271][ T4996] el0_svc_common+0x138/0x258 [ 52.670933][ T4996] do_el0_svc+0x58/0x14c [ 52.671542][ T4996] el0_svc+0x78/0x1e0 [ 52.672136][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 52.672891][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 52.673492][ T4996] irq event stamp: 79896 [ 52.674113][ T4996] hardirqs last enabled at (79895): [] __up_console_sem+0xb4/0x100 [ 52.675510][ T4996] hardirqs last disabled at (79896): [] el1_dbg+0x24/0x80 [ 52.676757][ T4996] softirqs last enabled at (79860): [] handle_softirqs+0xa4c/0xbf0 [ 52.678137][ T4996] softirqs last disabled at (79739): [] __irq_exit_rcu+0x240/0x440 [ 52.679473][ T4996] ---[ end trace 21574b08a91c3574 ]--- [ 52.680512][ T4996] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.682788][ T4996] BTRFS info (device loop0): forced readonly [ 52.810579][ T5018] loop0: detected capacity change from 0 to 32768 [ 52.892667][ T5018] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5018) [ 52.896172][ T5018] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.897542][ T5018] BTRFS info (device loop0): use zlib compression, level 3 [ 52.898829][ T5018] BTRFS info (device loop0): disabling tree log [ 52.899829][ T5018] BTRFS info (device loop0): turning on sync discard [ 52.900915][ T5018] BTRFS info (device loop0): enabling ssd optimizations [ 52.901954][ T5018] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.903178][ T5018] BTRFS info (device loop0): using free space tree [ 52.904084][ T5018] BTRFS info (device loop0): has skinny extents [ 52.913843][ T5018] FAULT_INJECTION: forcing a failure. [ 52.913843][ T5018] name failslab, interval 1, probability 0, space 0, times 0 [ 52.915897][ T5018] CPU: 0 PID: 5018 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.917192][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.918735][ T5018] Call trace: [ 52.919217][ T5018] dump_backtrace+0x0/0x43c [ 52.919878][ T5018] show_stack+0x2c/0x3c [ 52.920504][ T5018] __dump_stack+0x30/0x40 [ 52.921156][ T5018] dump_stack_lvl+0xf8/0x160 [ 52.921830][ T5018] dump_stack+0x1c/0x5c [ 52.922416][ T5018] should_fail+0x3c0/0x51c [ 52.923120][ T5018] __should_failslab+0xbc/0x10c [ 52.923822][ T5018] should_failslab+0x10/0x28 [ 52.924483][ T5018] slab_pre_alloc_hook+0x64/0xec [ 52.925224][ T5018] kmem_cache_alloc+0x94/0x3e4 [ 52.925918][ T5018] btrfs_alloc_path+0x5c/0x68 [ 52.926628][ T5018] __btrfs_free_extent+0x19c/0x1aa4 [ 52.927413][ T5018] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 52.928257][ T5018] btrfs_run_delayed_refs+0x124/0x46c [ 52.929039][ T5018] btrfs_commit_transaction+0x1b8/0x3044 [ 52.929820][ T5018] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.930627][ T5018] btrfs_ioctl+0x5f0/0xb38 [ 52.931318][ T5018] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.932101][ T5018] invoke_syscall+0x98/0x2b8 [ 52.932785][ T5018] el0_svc_common+0x138/0x258 [ 52.933518][ T5018] do_el0_svc+0x58/0x14c [ 52.934197][ T5018] el0_svc+0x78/0x1e0 [ 52.934739][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 52.935451][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 52.937674][ T5018] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 52.939974][ T5018] ------------[ cut here ]------------ [ 52.940918][ T5018] WARNING: CPU: 0 PID: 5018 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.942300][ T5018] Modules linked in: [ 52.942846][ T5018] CPU: 0 PID: 5018 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.944119][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.945546][ T5018] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.946625][ T5018] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.947384][ T5018] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.948204][ T5018] sp : ffff800020ad77d0 [ 52.948795][ T5018] x29: ffff800020ad77e0 x28: ffff0000c8f95000 x27: dfff800000000000 [ 52.949938][ T5018] x26: ffff0000c8f95024 x25: ffff0000d1688000 x24: 1fffe0001be3b36b [ 52.951141][ T5018] x23: 1fffe0001be3b36b x22: ffff0000df1d9b58 x21: 00000000fffffff4 [ 52.952341][ T5018] x20: 0000000000000051 x19: ffff0000df1d9b00 x18: 0000000000000001 [ 52.953457][ T5018] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.954621][ T5018] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.955924][ T5018] x11: 0000000000000000 x10: 0000000000000000 x9 : 6b11c73deb694800 [ 52.957235][ T5018] x8 : 6b11c73deb694800 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.958411][ T5018] x5 : ffff800020ad70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.959629][ T5018] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.960803][ T5018] Call trace: [ 52.961257][ T5018] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.962119][ T5018] btrfs_commit_transaction+0x1b8/0x3044 [ 52.962924][ T5018] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.963703][ T5018] btrfs_ioctl+0x5f0/0xb38 [ 52.964387][ T5018] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.965181][ T5018] invoke_syscall+0x98/0x2b8 [ 52.965844][ T5018] el0_svc_common+0x138/0x258 [ 52.966551][ T5018] do_el0_svc+0x58/0x14c [ 52.967169][ T5018] el0_svc+0x78/0x1e0 [ 52.967769][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 52.968547][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 52.969206][ T5018] irq event stamp: 78864 [ 52.969831][ T5018] hardirqs last enabled at (78863): [] __up_console_sem+0xb4/0x100 [ 52.971255][ T5018] hardirqs last disabled at (78864): [] el1_dbg+0x24/0x80 [ 52.972508][ T5018] softirqs last enabled at (78842): [] handle_softirqs+0xa4c/0xbf0 [ 52.973963][ T5018] softirqs last disabled at (78805): [] __irq_exit_rcu+0x240/0x440 [ 52.975340][ T5018] ---[ end trace 21574b08a91c3575 ]--- [ 52.978552][ T5018] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.980067][ T5018] BTRFS info (device loop0): forced readonly [ 53.107739][ T5040] loop0: detected capacity change from 0 to 32768 [ 53.200098][ T5040] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5040) [ 53.203229][ T5040] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.204761][ T5040] BTRFS info (device loop0): use zlib compression, level 3 [ 53.205975][ T5040] BTRFS info (device loop0): disabling tree log [ 53.207095][ T5040] BTRFS info (device loop0): turning on sync discard [ 53.208111][ T5040] BTRFS info (device loop0): enabling ssd optimizations [ 53.209477][ T5040] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.210760][ T5040] BTRFS info (device loop0): using free space tree [ 53.211770][ T5040] BTRFS info (device loop0): has skinny extents [ 53.222971][ T5040] FAULT_INJECTION: forcing a failure. [ 53.222971][ T5040] name failslab, interval 1, probability 0, space 0, times 0 [ 53.225039][ T5040] CPU: 1 PID: 5040 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.226430][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.228048][ T5040] Call trace: [ 53.228525][ T5040] dump_backtrace+0x0/0x43c [ 53.229211][ T5040] show_stack+0x2c/0x3c [ 53.229864][ T5040] __dump_stack+0x30/0x40 [ 53.230479][ T5040] dump_stack_lvl+0xf8/0x160 [ 53.231187][ T5040] dump_stack+0x1c/0x5c [ 53.231776][ T5040] should_fail+0x3c0/0x51c [ 53.232482][ T5040] __should_failslab+0xbc/0x10c [ 53.233183][ T5040] should_failslab+0x10/0x28 [ 53.233860][ T5040] slab_pre_alloc_hook+0x64/0xec [ 53.234573][ T5040] kmem_cache_alloc+0x94/0x3e4 [ 53.235302][ T5040] btrfs_alloc_path+0x5c/0x68 [ 53.236005][ T5040] __btrfs_free_extent+0x19c/0x1aa4 [ 53.236791][ T5040] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 53.237651][ T5040] btrfs_run_delayed_refs+0x124/0x46c [ 53.238465][ T5040] btrfs_commit_transaction+0x1b8/0x3044 [ 53.239289][ T5040] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.240084][ T5040] btrfs_ioctl+0x5f0/0xb38 [ 53.240757][ T5040] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.241468][ T5040] invoke_syscall+0x98/0x2b8 [ 53.242090][ T5040] el0_svc_common+0x138/0x258 [ 53.242786][ T5040] do_el0_svc+0x58/0x14c [ 53.243364][ T5040] el0_svc+0x78/0x1e0 [ 53.243907][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 53.244668][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 53.245471][ T5040] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 53.247878][ T5040] ------------[ cut here ]------------ [ 53.248928][ T5040] WARNING: CPU: 1 PID: 5040 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 53.250512][ T5040] Modules linked in: [ 53.251091][ T5040] CPU: 1 PID: 5040 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.252398][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.253885][ T5040] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.255005][ T5040] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.255869][ T5040] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.256729][ T5040] sp : ffff800020ef77d0 [ 53.257351][ T5040] x29: ffff800020ef77e0 x28: ffff0000c1635000 x27: dfff800000000000 [ 53.258595][ T5040] x26: ffff0000c1635024 x25: ffff0000c10cc000 x24: 1fffe0001be35663 [ 53.259931][ T5040] x23: 1fffe0001be35663 x22: ffff0000df1ab318 x21: 00000000fffffff4 [ 53.261184][ T5040] x20: 0000000000000051 x19: ffff0000df1ab2c0 x18: 0000000000000002 [ 53.262387][ T5040] x17: 0000000040000000 x16: ffff800011169180 x15: 0000000000000002 [ 53.263593][ T5040] x14: 0000000000ff0100 x13: 1ffff0000282406b x12: 0000000000ff0100 [ 53.264809][ T5040] x11: 0000000000000000 x10: 0000000000000000 x9 : e25b91e5ad2abb00 [ 53.266038][ T5040] x8 : e25b91e5ad2abb00 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.267327][ T5040] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a728d0c [ 53.268527][ T5040] x2 : ffff0001a1152d50 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.269684][ T5040] Call trace: [ 53.270156][ T5040] btrfs_run_delayed_refs+0x3f4/0x46c [ 53.270936][ T5040] btrfs_commit_transaction+0x1b8/0x3044 [ 53.271879][ T5040] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.272749][ T5040] btrfs_ioctl+0x5f0/0xb38 [ 53.273474][ T5040] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.274158][ T5040] invoke_syscall+0x98/0x2b8 [ 53.274836][ T5040] el0_svc_common+0x138/0x258 [ 53.275544][ T5040] do_el0_svc+0x58/0x14c [ 53.276188][ T5040] el0_svc+0x78/0x1e0 [ 53.276785][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 53.277503][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 53.278166][ T5040] irq event stamp: 79390 [ 53.278793][ T5040] hardirqs last enabled at (79389): [] finish_lock_switch+0xb0/0x1c4 [ 53.280240][ T5040] hardirqs last disabled at (79390): [] el1_dbg+0x24/0x80 [ 53.281679][ T5040] softirqs last enabled at (79344): [] handle_softirqs+0xa4c/0xbf0 [ 53.283337][ T5040] softirqs last disabled at (79329): [] __irq_exit_rcu+0x240/0x440 [ 53.284792][ T5040] ---[ end trace 21574b08a91c3576 ]--- [ 53.285779][ T5040] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 53.287950][ T5040] BTRFS info (device loop0): forced readonly [ 53.426665][ T5062] loop0: detected capacity change from 0 to 32768 [ 53.509364][ T5062] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5062) [ 53.514110][ T5062] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.515370][ T5062] BTRFS info (device loop0): use zlib compression, level 3 [ 53.516447][ T5062] BTRFS info (device loop0): disabling tree log [ 53.517477][ T5062] BTRFS info (device loop0): turning on sync discard [ 53.518730][ T5062] BTRFS info (device loop0): enabling ssd optimizations [ 53.520022][ T5062] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.521279][ T5062] BTRFS info (device loop0): using free space tree [ 53.522292][ T5062] BTRFS info (device loop0): has skinny extents [ 53.532087][ T5062] FAULT_INJECTION: forcing a failure. [ 53.532087][ T5062] name failslab, interval 1, probability 0, space 0, times 0 [ 53.534384][ T5062] CPU: 1 PID: 5062 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.535862][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.537485][ T5062] Call trace: [ 53.538034][ T5062] dump_backtrace+0x0/0x43c [ 53.538762][ T5062] show_stack+0x2c/0x3c [ 53.539450][ T5062] __dump_stack+0x30/0x40 [ 53.540181][ T5062] dump_stack_lvl+0xf8/0x160 [ 53.540952][ T5062] dump_stack+0x1c/0x5c [ 53.541561][ T5062] should_fail+0x3c0/0x51c [ 53.542270][ T5062] __should_failslab+0xbc/0x10c [ 53.542985][ T5062] should_failslab+0x10/0x28 [ 53.543664][ T5062] slab_pre_alloc_hook+0x64/0xec [ 53.544383][ T5062] kmem_cache_alloc+0x94/0x3e4 [ 53.545053][ T5062] btrfs_alloc_path+0x5c/0x68 [ 53.545738][ T5062] __btrfs_free_extent+0x19c/0x1aa4 [ 53.546540][ T5062] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 53.547348][ T5062] btrfs_run_delayed_refs+0x124/0x46c [ 53.548152][ T5062] btrfs_commit_transaction+0x1b8/0x3044 [ 53.548939][ T5062] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.549719][ T5062] btrfs_ioctl+0x5f0/0xb38 [ 53.550396][ T5062] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.551147][ T5062] invoke_syscall+0x98/0x2b8 [ 53.551771][ T5062] el0_svc_common+0x138/0x258 [ 53.552454][ T5062] do_el0_svc+0x58/0x14c [ 53.553069][ T5062] el0_svc+0x78/0x1e0 [ 53.553648][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 53.554303][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 53.556434][ T5062] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 53.558548][ T5062] ------------[ cut here ]------------ [ 53.559602][ T5062] WARNING: CPU: 1 PID: 5062 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 53.561195][ T5062] Modules linked in: [ 53.561817][ T5062] CPU: 1 PID: 5062 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.563152][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.564556][ T5062] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.565692][ T5062] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.566538][ T5062] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.567356][ T5062] sp : ffff800020f177d0 [ 53.567976][ T5062] x29: ffff800020f177e0 x28: ffff0000c8f92000 x27: dfff800000000000 [ 53.569153][ T5062] x26: ffff0000c8f92024 x25: ffff0000c10cc000 x24: 1fffe0001be357ad [ 53.570329][ T5062] x23: 1fffe0001be357ad x22: ffff0000df1abd68 x21: 00000000fffffff4 [ 53.571431][ T5062] x20: 0000000000000051 x19: ffff0000df1abd10 x18: 0000000000000001 [ 53.572703][ T5062] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 53.573995][ T5062] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.575197][ T5062] x11: 0000000000000000 x10: 0000000000000000 x9 : 9af91a7547e95200 [ 53.576364][ T5062] x8 : 9af91a7547e95200 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.577608][ T5062] x5 : ffff800020f170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 53.578765][ T5062] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.579877][ T5062] Call trace: [ 53.580369][ T5062] btrfs_run_delayed_refs+0x3f4/0x46c [ 53.581128][ T5062] btrfs_commit_transaction+0x1b8/0x3044 [ 53.581976][ T5062] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.582754][ T5062] btrfs_ioctl+0x5f0/0xb38 [ 53.583386][ T5062] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.584188][ T5062] invoke_syscall+0x98/0x2b8 [ 53.584874][ T5062] el0_svc_common+0x138/0x258 [ 53.585598][ T5062] do_el0_svc+0x58/0x14c [ 53.586207][ T5062] el0_svc+0x78/0x1e0 [ 53.586782][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 53.587579][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 53.588205][ T5062] irq event stamp: 79612 [ 53.588845][ T5062] hardirqs last enabled at (79611): [] __up_console_sem+0xb4/0x100 [ 53.590310][ T5062] hardirqs last disabled at (79612): [] el1_dbg+0x24/0x80 [ 53.591631][ T5062] softirqs last enabled at (79590): [] handle_softirqs+0xa4c/0xbf0 [ 53.593004][ T5062] softirqs last disabled at (79581): [] __irq_exit_rcu+0x240/0x440 [ 53.594330][ T5062] ---[ end trace 21574b08a91c3577 ]--- [ 53.596143][ T5062] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 53.597732][ T5062] BTRFS info (device loop0): forced readonly [ 53.725450][ T5084] loop0: detected capacity change from 0 to 32768 [ 53.801031][ T5084] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5084) [ 53.805971][ T5084] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.807270][ T5084] BTRFS info (device loop0): use zlib compression, level 3 [ 53.808458][ T5084] BTRFS info (device loop0): disabling tree log [ 53.809417][ T5084] BTRFS info (device loop0): turning on sync discard [ 53.810468][ T5084] BTRFS info (device loop0): enabling ssd optimizations [ 53.811511][ T5084] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.812724][ T5084] BTRFS info (device loop0): using free space tree [ 53.813783][ T5084] BTRFS info (device loop0): has skinny extents [ 53.823146][ T5084] FAULT_INJECTION: forcing a failure. [ 53.823146][ T5084] name failslab, interval 1, probability 0, space 0, times 0 [ 53.825137][ T5084] CPU: 0 PID: 5084 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.826450][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.827962][ T5084] Call trace: [ 53.828439][ T5084] dump_backtrace+0x0/0x43c [ 53.829137][ T5084] show_stack+0x2c/0x3c [ 53.829773][ T5084] __dump_stack+0x30/0x40 [ 53.830411][ T5084] dump_stack_lvl+0xf8/0x160 [ 53.831108][ T5084] dump_stack+0x1c/0x5c [ 53.831741][ T5084] should_fail+0x3c0/0x51c [ 53.832377][ T5084] __should_failslab+0xbc/0x10c [ 53.833043][ T5084] should_failslab+0x10/0x28 [ 53.833689][ T5084] slab_pre_alloc_hook+0x64/0xec [ 53.834401][ T5084] kmem_cache_alloc+0x94/0x3e4 [ 53.835089][ T5084] btrfs_alloc_path+0x5c/0x68 [ 53.835776][ T5084] __btrfs_free_extent+0x19c/0x1aa4 [ 53.836511][ T5084] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 53.837325][ T5084] btrfs_run_delayed_refs+0x124/0x46c [ 53.838093][ T5084] btrfs_commit_transaction+0x1b8/0x3044 [ 53.838929][ T5084] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.839764][ T5084] btrfs_ioctl+0x5f0/0xb38 [ 53.840449][ T5084] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.841166][ T5084] invoke_syscall+0x98/0x2b8 [ 53.841794][ T5084] el0_svc_common+0x138/0x258 [ 53.842483][ T5084] do_el0_svc+0x58/0x14c [ 53.843100][ T5084] el0_svc+0x78/0x1e0 [ 53.843658][ T5084] el0t_64_sync_handler+0xcc/0xe4 [ 53.844378][ T5084] el0t_64_sync+0x1a0/0x1a4 [ 53.846626][ T5084] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 53.848638][ T5084] ------------[ cut here ]------------ [ 53.849564][ T5084] WARNING: CPU: 0 PID: 5084 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 53.851145][ T5084] Modules linked in: [ 53.851734][ T5084] CPU: 0 PID: 5084 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.853047][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.854527][ T5084] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.855664][ T5084] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.856523][ T5084] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.857328][ T5084] sp : ffff800020ef77d0 [ 53.857961][ T5084] x29: ffff800020ef77e0 x28: ffff0000db2ba000 x27: dfff800000000000 [ 53.859114][ T5084] x26: ffff0000db2ba024 x25: ffff0000c10cc000 x24: 1fffe0001be3b279 [ 53.860418][ T5084] x23: 1fffe0001be3b279 x22: ffff0000df1d93c8 x21: 00000000fffffff4 [ 53.861613][ T5084] x20: 0000000000000051 x19: ffff0000df1d9370 x18: 0000000000000001 [ 53.862855][ T5084] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 53.864124][ T5084] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.865336][ T5084] x11: 0000000000000000 x10: 0000000000000000 x9 : 5ab1995ea8ccde00 [ 53.866464][ T5084] x8 : 5ab1995ea8ccde00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.867667][ T5084] x5 : ffff800020ef70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 53.868911][ T5084] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.870073][ T5084] Call trace: [ 53.870549][ T5084] btrfs_run_delayed_refs+0x3f4/0x46c [ 53.871379][ T5084] btrfs_commit_transaction+0x1b8/0x3044 [ 53.872249][ T5084] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.873062][ T5084] btrfs_ioctl+0x5f0/0xb38 [ 53.873720][ T5084] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.874388][ T5084] invoke_syscall+0x98/0x2b8 [ 53.875114][ T5084] el0_svc_common+0x138/0x258 [ 53.875779][ T5084] do_el0_svc+0x58/0x14c [ 53.876403][ T5084] el0_svc+0x78/0x1e0 [ 53.876997][ T5084] el0t_64_sync_handler+0xcc/0xe4 [ 53.877766][ T5084] el0t_64_sync+0x1a0/0x1a4 [ 53.878407][ T5084] irq event stamp: 78928 [ 53.879006][ T5084] hardirqs last enabled at (78927): [] __up_console_sem+0xb4/0x100 [ 53.880361][ T5084] hardirqs last disabled at (78928): [] el1_dbg+0x24/0x80 [ 53.881584][ T5084] softirqs last enabled at (78908): [] handle_softirqs+0xa4c/0xbf0 [ 53.882967][ T5084] softirqs last disabled at (78897): [] __irq_exit_rcu+0x240/0x440 [ 53.884289][ T5084] ---[ end trace 21574b08a91c3578 ]--- [ 53.887107][ T5084] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 53.888730][ T5084] BTRFS info (device loop0): forced readonly [ 54.015496][ T5106] loop0: detected capacity change from 0 to 32768 [ 54.092345][ T5106] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5106) [ 54.097580][ T5106] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.099545][ T5106] BTRFS info (device loop0): use zlib compression, level 3 [ 54.100690][ T5106] BTRFS info (device loop0): disabling tree log [ 54.101651][ T5106] BTRFS info (device loop0): turning on sync discard [ 54.102657][ T5106] BTRFS info (device loop0): enabling ssd optimizations [ 54.103628][ T5106] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.104844][ T5106] BTRFS info (device loop0): using free space tree [ 54.105812][ T5106] BTRFS info (device loop0): has skinny extents [ 54.116166][ T5106] FAULT_INJECTION: forcing a failure. [ 54.116166][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 54.118472][ T5106] CPU: 0 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.119842][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.121354][ T5106] Call trace: [ 54.121821][ T5106] dump_backtrace+0x0/0x43c [ 54.122522][ T5106] show_stack+0x2c/0x3c [ 54.123114][ T5106] __dump_stack+0x30/0x40 [ 54.123733][ T5106] dump_stack_lvl+0xf8/0x160 [ 54.124426][ T5106] dump_stack+0x1c/0x5c [ 54.125075][ T5106] should_fail+0x3c0/0x51c [ 54.125707][ T5106] __should_failslab+0xbc/0x10c [ 54.126409][ T5106] should_failslab+0x10/0x28 [ 54.127050][ T5106] slab_pre_alloc_hook+0x64/0xec [ 54.127771][ T5106] kmem_cache_alloc+0x94/0x3e4 [ 54.128525][ T5106] btrfs_alloc_path+0x5c/0x68 [ 54.129203][ T5106] __btrfs_free_extent+0x19c/0x1aa4 [ 54.129989][ T5106] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 54.130803][ T5106] btrfs_run_delayed_refs+0x124/0x46c [ 54.131620][ T5106] btrfs_commit_transaction+0x1b8/0x3044 [ 54.132494][ T5106] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.133313][ T5106] btrfs_ioctl+0x5f0/0xb38 [ 54.133984][ T5106] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.134741][ T5106] invoke_syscall+0x98/0x2b8 [ 54.135425][ T5106] el0_svc_common+0x138/0x258 [ 54.136106][ T5106] do_el0_svc+0x58/0x14c [ 54.136702][ T5106] el0_svc+0x78/0x1e0 [ 54.137232][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 54.137916][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 54.140053][ T5106] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 54.142053][ T5106] ------------[ cut here ]------------ [ 54.142984][ T5106] WARNING: CPU: 0 PID: 5106 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 54.144434][ T5106] Modules linked in: [ 54.145026][ T5106] CPU: 0 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.146427][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.147903][ T5106] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.149083][ T5106] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.149885][ T5106] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.150685][ T5106] sp : ffff800020f077d0 [ 54.151309][ T5106] x29: ffff800020f077e0 x28: ffff0000cb8d5000 x27: dfff800000000000 [ 54.152496][ T5106] x26: ffff0000cb8d5024 x25: ffff0000c10cc000 x24: 1fffe0001be3b2bb [ 54.153629][ T5106] x23: 1fffe0001be3b2bb x22: ffff0000df1d95d8 x21: 00000000fffffff4 [ 54.154795][ T5106] x20: 0000000000000051 x19: ffff0000df1d9580 x18: 0000000000000001 [ 54.156016][ T5106] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 54.157231][ T5106] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.158371][ T5106] x11: 0000000000000000 x10: 0000000000000000 x9 : 7ce1e5eaaf1f1b00 [ 54.159640][ T5106] x8 : 7ce1e5eaaf1f1b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.160810][ T5106] x5 : ffff800020f070b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 54.161993][ T5106] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.163173][ T5106] Call trace: [ 54.163637][ T5106] btrfs_run_delayed_refs+0x3f4/0x46c [ 54.164427][ T5106] btrfs_commit_transaction+0x1b8/0x3044 [ 54.165285][ T5106] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.166071][ T5106] btrfs_ioctl+0x5f0/0xb38 [ 54.166725][ T5106] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.167390][ T5106] invoke_syscall+0x98/0x2b8 [ 54.168065][ T5106] el0_svc_common+0x138/0x258 [ 54.168779][ T5106] do_el0_svc+0x58/0x14c [ 54.169405][ T5106] el0_svc+0x78/0x1e0 [ 54.170030][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 54.170705][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 54.171298][ T5106] irq event stamp: 79350 [ 54.171910][ T5106] hardirqs last enabled at (79349): [] __up_console_sem+0xb4/0x100 [ 54.173290][ T5106] hardirqs last disabled at (79350): [] el1_dbg+0x24/0x80 [ 54.174523][ T5106] softirqs last enabled at (79318): [] handle_softirqs+0xa4c/0xbf0 [ 54.175920][ T5106] softirqs last disabled at (79303): [] __irq_exit_rcu+0x240/0x440 [ 54.177298][ T5106] ---[ end trace 21574b08a91c3579 ]--- [ 54.180289][ T5106] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 54.181818][ T5106] BTRFS info (device loop0): forced readonly [ 54.318168][ T3623] Bluetooth: hci0: command 0x0419 tx timeout [ 54.328219][ T5128] loop0: detected capacity change from 0 to 32768 [ 54.381070][ T5128] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5128) [ 54.384926][ T5128] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.386353][ T5128] BTRFS info (device loop0): use zlib compression, level 3 [ 54.387509][ T5128] BTRFS info (device loop0): disabling tree log [ 54.388969][ T5128] BTRFS info (device loop0): turning on sync discard [ 54.389987][ T5128] BTRFS info (device loop0): enabling ssd optimizations [ 54.391178][ T5128] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.392556][ T5128] BTRFS info (device loop0): using free space tree [ 54.393748][ T5128] BTRFS info (device loop0): has skinny extents [ 54.404457][ T5128] FAULT_INJECTION: forcing a failure. [ 54.404457][ T5128] name failslab, interval 1, probability 0, space 0, times 0 [ 54.406416][ T5128] CPU: 0 PID: 5128 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.407859][ T5128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.409354][ T5128] Call trace: [ 54.409854][ T5128] dump_backtrace+0x0/0x43c [ 54.410587][ T5128] show_stack+0x2c/0x3c [ 54.411206][ T5128] __dump_stack+0x30/0x40 [ 54.411869][ T5128] dump_stack_lvl+0xf8/0x160 [ 54.412608][ T5128] dump_stack+0x1c/0x5c [ 54.413173][ T5128] should_fail+0x3c0/0x51c [ 54.413868][ T5128] __should_failslab+0xbc/0x10c [ 54.414574][ T5128] should_failslab+0x10/0x28 [ 54.415231][ T5128] slab_pre_alloc_hook+0x64/0xec [ 54.415944][ T5128] kmem_cache_alloc+0x94/0x3e4 [ 54.416648][ T5128] btrfs_alloc_path+0x5c/0x68 [ 54.417292][ T5128] __btrfs_free_extent+0x19c/0x1aa4 [ 54.418055][ T5128] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 54.418958][ T5128] btrfs_run_delayed_refs+0x124/0x46c [ 54.419746][ T5128] btrfs_commit_transaction+0x1b8/0x3044 [ 54.420569][ T5128] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.421429][ T5128] btrfs_ioctl+0x5f0/0xb38 [ 54.422071][ T5128] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.422809][ T5128] invoke_syscall+0x98/0x2b8 [ 54.423442][ T5128] el0_svc_common+0x138/0x258 [ 54.424058][ T5128] do_el0_svc+0x58/0x14c [ 54.424682][ T5128] el0_svc+0x78/0x1e0 [ 54.425260][ T5128] el0t_64_sync_handler+0xcc/0xe4 [ 54.426013][ T5128] el0t_64_sync+0x1a0/0x1a4 [ 54.427531][ T5128] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 54.429818][ T5128] ------------[ cut here ]------------ [ 54.430736][ T5128] WARNING: CPU: 0 PID: 5128 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 54.432218][ T5128] Modules linked in: [ 54.432806][ T5128] CPU: 0 PID: 5128 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.434181][ T5128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.435656][ T5128] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.436848][ T5128] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.437657][ T5128] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.438514][ T5128] sp : ffff8000212477d0 [ 54.439196][ T5128] x29: ffff8000212477e0 x28: ffff0000cb8d4000 x27: dfff800000000000 [ 54.440413][ T5128] x26: ffff0000cb8d4024 x25: ffff0000cf3f4000 x24: 1fffe0001be3b397 [ 54.441560][ T5128] x23: 1fffe0001be3b397 x22: ffff0000df1d9cb8 x21: 00000000fffffff4 [ 54.442834][ T5128] x20: 0000000000000051 x19: ffff0000df1d9c60 x18: 0000000000000001 [ 54.444078][ T5128] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 54.445430][ T5128] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.446630][ T5128] x11: 0000000000000000 x10: 0000000000000000 x9 : dd179bdc78cadc00 [ 54.447768][ T5128] x8 : dd179bdc78cadc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.449023][ T5128] x5 : ffff8000212470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 54.450197][ T5128] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.451439][ T5128] Call trace: [ 54.451904][ T5128] btrfs_run_delayed_refs+0x3f4/0x46c [ 54.452637][ T5128] btrfs_commit_transaction+0x1b8/0x3044 [ 54.453460][ T5128] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.454265][ T5128] btrfs_ioctl+0x5f0/0xb38 [ 54.454922][ T5128] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.455666][ T5128] invoke_syscall+0x98/0x2b8 [ 54.456351][ T5128] el0_svc_common+0x138/0x258 [ 54.457010][ T5128] do_el0_svc+0x58/0x14c [ 54.457613][ T5128] el0_svc+0x78/0x1e0 [ 54.458171][ T5128] el0t_64_sync_handler+0xcc/0xe4 [ 54.458939][ T5128] el0t_64_sync+0x1a0/0x1a4 [ 54.459633][ T5128] irq event stamp: 79542 [ 54.460199][ T5128] hardirqs last enabled at (79541): [] __up_console_sem+0xb4/0x100 [ 54.461606][ T5128] hardirqs last disabled at (79542): [] el1_dbg+0x24/0x80 [ 54.462872][ T5128] softirqs last enabled at (79522): [] handle_softirqs+0xa4c/0xbf0 [ 54.464177][ T5128] softirqs last disabled at (79385): [] __irq_exit_rcu+0x240/0x440 [ 54.465536][ T5128] ---[ end trace 21574b08a91c357a ]--- [ 54.466667][ T5128] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 54.468221][ T5128] BTRFS info (device loop0): forced readonly [ 54.651575][ T5150] loop0: detected capacity change from 0 to 32768 [ 54.689451][ T5150] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5150) [ 54.692486][ T5150] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.694087][ T5150] BTRFS info (device loop0): use zlib compression, level 3 [ 54.695160][ T5150] BTRFS info (device loop0): disabling tree log [ 54.696121][ T5150] BTRFS info (device loop0): turning on sync discard [ 54.697081][ T5150] BTRFS info (device loop0): enabling ssd optimizations [ 54.698108][ T5150] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.699248][ T5150] BTRFS info (device loop0): using free space tree [ 54.700222][ T5150] BTRFS info (device loop0): has skinny extents [ 54.718350][ T5150] FAULT_INJECTION: forcing a failure. [ 54.718350][ T5150] name failslab, interval 1, probability 0, space 0, times 0 [ 54.721233][ T5150] CPU: 0 PID: 5150 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.722624][ T5150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.724113][ T5150] Call trace: [ 54.724540][ T5150] dump_backtrace+0x0/0x43c [ 54.725193][ T5150] show_stack+0x2c/0x3c [ 54.725749][ T5150] __dump_stack+0x30/0x40 [ 54.726385][ T5150] dump_stack_lvl+0xf8/0x160 [ 54.727058][ T5150] dump_stack+0x1c/0x5c [ 54.727685][ T5150] should_fail+0x3c0/0x51c [ 54.728330][ T5150] __should_failslab+0xbc/0x10c [ 54.729048][ T5150] should_failslab+0x10/0x28 [ 54.729727][ T5150] slab_pre_alloc_hook+0x64/0xec [ 54.730456][ T5150] kmem_cache_alloc+0x94/0x3e4 [ 54.731133][ T5150] btrfs_alloc_path+0x5c/0x68 [ 54.731825][ T5150] __btrfs_free_extent+0x19c/0x1aa4 [ 54.732581][ T5150] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 54.733426][ T5150] btrfs_run_delayed_refs+0x124/0x46c [ 54.734236][ T5150] btrfs_commit_transaction+0x1b8/0x3044 [ 54.735102][ T5150] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.735887][ T5150] btrfs_ioctl+0x5f0/0xb38 [ 54.736515][ T5150] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.737237][ T5150] invoke_syscall+0x98/0x2b8 [ 54.737850][ T5150] el0_svc_common+0x138/0x258 [ 54.738487][ T5150] do_el0_svc+0x58/0x14c [ 54.739110][ T5150] el0_svc+0x78/0x1e0 [ 54.739717][ T5150] el0t_64_sync_handler+0xcc/0xe4 [ 54.740435][ T5150] el0t_64_sync+0x1a0/0x1a4 [ 54.743251][ T5150] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 54.745476][ T5150] ------------[ cut here ]------------ [ 54.746361][ T5150] WARNING: CPU: 0 PID: 5150 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 54.747875][ T5150] Modules linked in: [ 54.748459][ T5150] CPU: 0 PID: 5150 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.749863][ T5150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.751350][ T5150] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.752549][ T5150] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.753368][ T5150] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.754263][ T5150] sp : ffff8000214877d0 [ 54.754892][ T5150] x29: ffff8000214877e0 x28: ffff0000cb8d6000 x27: dfff800000000000 [ 54.756080][ T5150] x26: ffff0000cb8d6024 x25: ffff0000cf3f4000 x24: 1fffe0001be3b3c3 [ 54.757286][ T5150] x23: 1fffe0001be3b3c3 x22: ffff0000df1d9e18 x21: 00000000fffffff4 [ 54.758450][ T5150] x20: 0000000000000051 x19: ffff0000df1d9dc0 x18: 0000000000000001 [ 54.759629][ T5150] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 54.760984][ T5150] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.762215][ T5150] x11: 0000000000000000 x10: 0000000000000000 x9 : 0249451a534d9700 [ 54.763433][ T5150] x8 : 0249451a534d9700 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.764682][ T5150] x5 : ffff8000214870b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 54.765914][ T5150] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.767128][ T5150] Call trace: [ 54.767627][ T5150] btrfs_run_delayed_refs+0x3f4/0x46c [ 54.768449][ T5150] btrfs_commit_transaction+0x1b8/0x3044 [ 54.769333][ T5150] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.770168][ T5150] btrfs_ioctl+0x5f0/0xb38 [ 54.770784][ T5150] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.771571][ T5150] invoke_syscall+0x98/0x2b8 [ 54.772259][ T5150] el0_svc_common+0x138/0x258 [ 54.772951][ T5150] do_el0_svc+0x58/0x14c [ 54.773557][ T5150] el0_svc+0x78/0x1e0 [ 54.774108][ T5150] el0t_64_sync_handler+0xcc/0xe4 [ 54.774811][ T5150] el0t_64_sync+0x1a0/0x1a4 [ 54.775489][ T5150] irq event stamp: 79090 [ 54.776176][ T5150] hardirqs last enabled at (79089): [] __up_console_sem+0xb4/0x100 [ 54.777840][ T5150] hardirqs last disabled at (79090): [] el1_dbg+0x24/0x80 [ 54.779319][ T5150] softirqs last enabled at (79054): [] handle_softirqs+0xa4c/0xbf0 [ 54.780839][ T5150] softirqs last disabled at (79033): [] __irq_exit_rcu+0x240/0x440 [ 54.782277][ T5150] ---[ end trace 21574b08a91c357b ]--- [ 54.785873][ T5150] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 54.787359][ T5150] BTRFS info (device loop0): forced readonly [ 54.951980][ T5172] loop0: detected capacity change from 0 to 32768 [ 54.989431][ T5172] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5172) [ 54.992451][ T5172] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.993735][ T5172] BTRFS info (device loop0): use zlib compression, level 3 [ 54.995185][ T5172] BTRFS info (device loop0): disabling tree log [ 54.996128][ T5172] BTRFS info (device loop0): turning on sync discard [ 54.997128][ T5172] BTRFS info (device loop0): enabling ssd optimizations [ 54.998265][ T5172] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.999458][ T5172] BTRFS info (device loop0): using free space tree [ 55.000401][ T5172] BTRFS info (device loop0): has skinny extents [ 55.010451][ T5172] FAULT_INJECTION: forcing a failure. [ 55.010451][ T5172] name failslab, interval 1, probability 0, space 0, times 0 [ 55.012466][ T5172] CPU: 1 PID: 5172 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.013911][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.015508][ T5172] Call trace: [ 55.015988][ T5172] dump_backtrace+0x0/0x43c [ 55.016679][ T5172] show_stack+0x2c/0x3c [ 55.017331][ T5172] __dump_stack+0x30/0x40 [ 55.017952][ T5172] dump_stack_lvl+0xf8/0x160 [ 55.018665][ T5172] dump_stack+0x1c/0x5c [ 55.019248][ T5172] should_fail+0x3c0/0x51c [ 55.019905][ T5172] __should_failslab+0xbc/0x10c [ 55.020629][ T5172] should_failslab+0x10/0x28 [ 55.021272][ T5172] slab_pre_alloc_hook+0x64/0xec [ 55.021965][ T5172] kmem_cache_alloc+0x94/0x3e4 [ 55.022701][ T5172] btrfs_alloc_path+0x5c/0x68 [ 55.023404][ T5172] __btrfs_free_extent+0x19c/0x1aa4 [ 55.024110][ T5172] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 55.024939][ T5172] btrfs_run_delayed_refs+0x124/0x46c [ 55.025678][ T5172] btrfs_commit_transaction+0x1b8/0x3044 [ 55.026465][ T5172] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.027286][ T5172] btrfs_ioctl+0x5f0/0xb38 [ 55.027952][ T5172] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.028657][ T5172] invoke_syscall+0x98/0x2b8 [ 55.029326][ T5172] el0_svc_common+0x138/0x258 [ 55.030027][ T5172] do_el0_svc+0x58/0x14c [ 55.030643][ T5172] el0_svc+0x78/0x1e0 [ 55.031221][ T5172] el0t_64_sync_handler+0xcc/0xe4 [ 55.031973][ T5172] el0t_64_sync+0x1a0/0x1a4 [ 55.032793][ T5172] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 55.034770][ T5172] ------------[ cut here ]------------ [ 55.035700][ T5172] WARNING: CPU: 1 PID: 5172 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.037221][ T5172] Modules linked in: [ 55.037801][ T5172] CPU: 1 PID: 5172 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.039118][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.040598][ T5172] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.041748][ T5172] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.042577][ T5172] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.043407][ T5172] sp : ffff8000215377d0 [ 55.044009][ T5172] x29: ffff8000215377e0 x28: ffff0000db2bc000 x27: dfff800000000000 [ 55.045161][ T5172] x26: ffff0000db2bc024 x25: ffff0000cf3f4000 x24: 1fffe0001be35621 [ 55.046317][ T5172] x23: 1fffe0001be35621 x22: ffff0000df1ab108 x21: 00000000fffffff4 [ 55.047510][ T5172] x20: 0000000000000051 x19: ffff0000df1ab0b0 x18: 0000000000000001 [ 55.048647][ T5172] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 55.049837][ T5172] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.051063][ T5172] x11: 0000000000000000 x10: 0000000000000000 x9 : 4eff1084193b0500 [ 55.052284][ T5172] x8 : 4eff1084193b0500 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.053499][ T5172] x5 : ffff8000215370b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 55.054684][ T5172] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.055906][ T5172] Call trace: [ 55.056356][ T5172] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.057144][ T5172] btrfs_commit_transaction+0x1b8/0x3044 [ 55.058020][ T5172] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.058837][ T5172] btrfs_ioctl+0x5f0/0xb38 [ 55.059488][ T5172] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.060248][ T5172] invoke_syscall+0x98/0x2b8 [ 55.060944][ T5172] el0_svc_common+0x138/0x258 [ 55.061617][ T5172] do_el0_svc+0x58/0x14c [ 55.062260][ T5172] el0_svc+0x78/0x1e0 [ 55.062846][ T5172] el0t_64_sync_handler+0xcc/0xe4 [ 55.063579][ T5172] el0t_64_sync+0x1a0/0x1a4 [ 55.064208][ T5172] irq event stamp: 80004 [ 55.064832][ T5172] hardirqs last enabled at (80003): [] __up_console_sem+0xb4/0x100 [ 55.066154][ T5172] hardirqs last disabled at (80004): [] el1_dbg+0x24/0x80 [ 55.067427][ T5172] softirqs last enabled at (79968): [] handle_softirqs+0xa4c/0xbf0 [ 55.068765][ T5172] softirqs last disabled at (79961): [] __irq_exit_rcu+0x240/0x440 [ 55.070206][ T5172] ---[ end trace 21574b08a91c357c ]--- [ 55.071539][ T5172] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 55.073115][ T5172] BTRFS info (device loop0): forced readonly [ 55.209474][ T5194] loop0: detected capacity change from 0 to 32768 [ 55.299079][ T5194] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5194) [ 55.303804][ T5194] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.305248][ T5194] BTRFS info (device loop0): use zlib compression, level 3 [ 55.306442][ T5194] BTRFS info (device loop0): disabling tree log [ 55.307364][ T5194] BTRFS info (device loop0): turning on sync discard [ 55.308578][ T5194] BTRFS info (device loop0): enabling ssd optimizations [ 55.309721][ T5194] BTRFS info (device loop0): using spread ssd allocation scheme [ 55.310975][ T5194] BTRFS info (device loop0): using free space tree [ 55.311974][ T5194] BTRFS info (device loop0): has skinny extents [ 55.325034][ T5194] FAULT_INJECTION: forcing a failure. [ 55.325034][ T5194] name failslab, interval 1, probability 0, space 0, times 0 [ 55.327147][ T5194] CPU: 1 PID: 5194 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.328494][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.329937][ T5194] Call trace: [ 55.330422][ T5194] dump_backtrace+0x0/0x43c [ 55.331060][ T5194] show_stack+0x2c/0x3c [ 55.331702][ T5194] __dump_stack+0x30/0x40 [ 55.332337][ T5194] dump_stack_lvl+0xf8/0x160 [ 55.333002][ T5194] dump_stack+0x1c/0x5c [ 55.333618][ T5194] should_fail+0x3c0/0x51c [ 55.334257][ T5194] __should_failslab+0xbc/0x10c [ 55.334944][ T5194] should_failslab+0x10/0x28 [ 55.335619][ T5194] slab_pre_alloc_hook+0x64/0xec [ 55.336380][ T5194] kmem_cache_alloc+0x94/0x3e4 [ 55.337040][ T5194] btrfs_alloc_path+0x5c/0x68 [ 55.337771][ T5194] __btrfs_run_delayed_refs+0xd70/0x3354 [ 55.338626][ T5194] btrfs_run_delayed_refs+0x124/0x46c [ 55.339388][ T5194] btrfs_commit_transaction+0x1b8/0x3044 [ 55.340178][ T5194] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.340985][ T5194] btrfs_ioctl+0x5f0/0xb38 [ 55.341643][ T5194] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.342372][ T5194] invoke_syscall+0x98/0x2b8 [ 55.343031][ T5194] el0_svc_common+0x138/0x258 [ 55.343722][ T5194] do_el0_svc+0x58/0x14c [ 55.344331][ T5194] el0_svc+0x78/0x1e0 [ 55.344893][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 55.345568][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 55.346472][ T5194] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 55.348727][ T5194] ------------[ cut here ]------------ [ 55.349664][ T5194] WARNING: CPU: 1 PID: 5194 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.351307][ T5194] Modules linked in: [ 55.351896][ T5194] CPU: 1 PID: 5194 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.353319][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.354908][ T5194] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.356264][ T5194] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.357208][ T5194] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.358144][ T5194] sp : ffff8000215377d0 [ 55.358850][ T5194] x29: ffff8000215377e0 x28: ffff0000db2be000 x27: dfff800000000000 [ 55.360051][ T5194] x26: ffff0000db2be024 x25: ffff0000dc284000 x24: 1fffe0001be356fd [ 55.361284][ T5194] x23: 1fffe0001be356fd x22: ffff0000df1ab7e8 x21: 00000000fffffff4 [ 55.362446][ T5194] x20: 0000000000000051 x19: ffff0000df1ab790 x18: 0000000000000001 [ 55.363734][ T5194] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 55.364980][ T5194] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.366189][ T5194] x11: 0000000000000000 x10: 0000000000000000 x9 : 3543352a3c208d00 [ 55.367367][ T5194] x8 : 3543352a3c208d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.368563][ T5194] x5 : ffff8000215370b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 55.369757][ T5194] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.370962][ T5194] Call trace: [ 55.371407][ T5194] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.372250][ T5194] btrfs_commit_transaction+0x1b8/0x3044 [ 55.373120][ T5194] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.373985][ T5194] btrfs_ioctl+0x5f0/0xb38 [ 55.374708][ T5194] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.375486][ T5194] invoke_syscall+0x98/0x2b8 [ 55.376212][ T5194] el0_svc_common+0x138/0x258 [ 55.376895][ T5194] do_el0_svc+0x58/0x14c [ 55.377576][ T5194] el0_svc+0x78/0x1e0 [ 55.378212][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 55.378983][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 55.379681][ T5194] irq event stamp: 79552 [ 55.380338][ T5194] hardirqs last enabled at (79551): [] __up_console_sem+0xb4/0x100 [ 55.381777][ T5194] hardirqs last disabled at (79552): [] el1_dbg+0x24/0x80 [ 55.383025][ T5194] softirqs last enabled at (79528): [] handle_softirqs+0xa4c/0xbf0 [ 55.384357][ T5194] softirqs last disabled at (79497): [] __irq_exit_rcu+0x240/0x440 [ 55.385667][ T5194] ---[ end trace 21574b08a91c357d ]--- [ 55.386646][ T5194] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 55.388349][ T5194] BTRFS info (device loop0): forced readonly [ 55.526302][ T5216] loop0: detected capacity change from 0 to 32768 [ 55.564317][ T5216] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5216) [ 55.568070][ T5216] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.578772][ T5216] FAULT_INJECTION: forcing a failure. [ 55.578772][ T5216] name failslab, interval 1, probability 0, space 0, times 0 [ 55.580660][ T5216] CPU: 1 PID: 5216 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.582053][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.583616][ T5216] Call trace: [ 55.584045][ T5216] dump_backtrace+0x0/0x43c [ 55.584712][ T5216] show_stack+0x2c/0x3c [ 55.585310][ T5216] __dump_stack+0x30/0x40 [ 55.585902][ T5216] dump_stack_lvl+0xf8/0x160 [ 55.586563][ T5216] dump_stack+0x1c/0x5c [ 55.587172][ T5216] should_fail+0x3c0/0x51c [ 55.587782][ T5216] __should_failslab+0xbc/0x10c [ 55.588477][ T5216] should_failslab+0x10/0x28 [ 55.589133][ T5216] slab_pre_alloc_hook+0x64/0xec [ 55.589875][ T5216] kmem_cache_alloc+0x94/0x3e4 [ 55.590540][ T5216] btrfs_alloc_path+0x5c/0x68 [ 55.591256][ T5216] __btrfs_free_extent+0x19c/0x1aa4 [ 55.592053][ T5216] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 55.592911][ T5216] btrfs_run_delayed_refs+0x124/0x46c [ 55.593692][ T5216] btrfs_commit_transaction+0x1b8/0x3044 [ 55.594515][ T5216] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.595317][ T5216] btrfs_ioctl+0x5f0/0xb38 [ 55.595920][ T5216] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.596594][ T5216] invoke_syscall+0x98/0x2b8 [ 55.597255][ T5216] el0_svc_common+0x138/0x258 [ 55.597922][ T5216] do_el0_svc+0x58/0x14c [ 55.598496][ T5216] el0_svc+0x78/0x1e0 [ 55.599083][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 55.599931][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 55.600864][ T5216] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 55.602719][ T5216] ------------[ cut here ]------------ [ 55.603689][ T5216] WARNING: CPU: 1 PID: 5216 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.605146][ T5216] Modules linked in: [ 55.605734][ T5216] CPU: 1 PID: 5216 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.607081][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.608583][ T5216] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.609874][ T5216] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.610771][ T5216] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.611693][ T5216] sp : ffff8000215877d0 [ 55.612358][ T5216] x29: ffff8000215877e0 x28: ffff0000cb8d3000 x27: dfff800000000000 [ 55.613633][ T5216] x26: ffff0000cb8d3024 x25: ffff0000d641c000 x24: 1fffe0001be356d1 [ 55.614909][ T5216] x23: 1fffe0001be356d1 x22: ffff0000df1ab688 x21: 00000000fffffff4 [ 55.616183][ T5216] x20: 0000000000000051 x19: ffff0000df1ab630 x18: 0000000000000001 [ 55.617376][ T5216] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 55.618553][ T5216] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.619828][ T5216] x11: 0000000000000000 x10: 0000000000000000 x9 : eb2656ea40785d00 [ 55.620991][ T5216] x8 : eb2656ea40785d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.622233][ T5216] x5 : ffff8000215870b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 55.623490][ T5216] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.624647][ T5216] Call trace: [ 55.625211][ T5216] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.626069][ T5216] btrfs_commit_transaction+0x1b8/0x3044 [ 55.626968][ T5216] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.627788][ T5216] btrfs_ioctl+0x5f0/0xb38 [ 55.628468][ T5216] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.629199][ T5216] invoke_syscall+0x98/0x2b8 [ 55.629894][ T5216] el0_svc_common+0x138/0x258 [ 55.630624][ T5216] do_el0_svc+0x58/0x14c [ 55.631218][ T5216] el0_svc+0x78/0x1e0 [ 55.631792][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 55.632477][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 55.633110][ T5216] irq event stamp: 79566 [ 55.633697][ T5216] hardirqs last enabled at (79565): [] __up_console_sem+0xb4/0x100 [ 55.635088][ T5216] hardirqs last disabled at (79566): [] el1_dbg+0x24/0x80 [ 55.636323][ T5216] softirqs last enabled at (79534): [] handle_softirqs+0xa4c/0xbf0 [ 55.637665][ T5216] softirqs last disabled at (79489): [] __irq_exit_rcu+0x240/0x440 [ 55.639240][ T5216] ---[ end trace 21574b08a91c357e ]--- [ 55.640391][ T5216] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 55.774309][ T5238] loop0: detected capacity change from 0 to 32768 [ 55.874064][ T5238] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5238) [ 55.895905][ T5238] FAULT_INJECTION: forcing a failure. [ 55.895905][ T5238] name failslab, interval 1, probability 0, space 0, times 0 [ 55.897932][ T5238] CPU: 1 PID: 5238 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.899345][ T5238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.900813][ T5238] Call trace: [ 55.901306][ T5238] dump_backtrace+0x0/0x43c [ 55.901994][ T5238] show_stack+0x2c/0x3c [ 55.902631][ T5238] __dump_stack+0x30/0x40 [ 55.903311][ T5238] dump_stack_lvl+0xf8/0x160 [ 55.904001][ T5238] dump_stack+0x1c/0x5c [ 55.904593][ T5238] should_fail+0x3c0/0x51c [ 55.905220][ T5238] __should_failslab+0xbc/0x10c [ 55.905974][ T5238] should_failslab+0x10/0x28 [ 55.906607][ T5238] slab_pre_alloc_hook+0x64/0xec [ 55.907341][ T5238] kmem_cache_alloc+0x94/0x3e4 [ 55.908069][ T5238] btrfs_alloc_path+0x5c/0x68 [ 55.908801][ T5238] __btrfs_run_delayed_refs+0xd70/0x3354 [ 55.909640][ T5238] btrfs_run_delayed_refs+0x124/0x46c [ 55.910420][ T5238] btrfs_commit_transaction+0x1b8/0x3044 [ 55.911215][ T5238] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.912015][ T5238] btrfs_ioctl+0x5f0/0xb38 [ 55.912644][ T5238] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.913374][ T5238] invoke_syscall+0x98/0x2b8 [ 55.914011][ T5238] el0_svc_common+0x138/0x258 [ 55.914694][ T5238] do_el0_svc+0x58/0x14c [ 55.915293][ T5238] el0_svc+0x78/0x1e0 [ 55.915858][ T5238] el0t_64_sync_handler+0xcc/0xe4 [ 55.916529][ T5238] el0t_64_sync+0x1a0/0x1a4 [ 55.917935][ T5238] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 55.919990][ T5238] ------------[ cut here ]------------ [ 55.920962][ T5238] WARNING: CPU: 1 PID: 5238 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.922544][ T5238] Modules linked in: [ 55.923151][ T5238] CPU: 1 PID: 5238 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.924601][ T5238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.926218][ T5238] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.927424][ T5238] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.928326][ T5238] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.929232][ T5238] sp : ffff8000216a77d0 [ 55.929864][ T5238] x29: ffff8000216a77e0 x28: ffff0000db2bd000 x27: dfff800000000000 [ 55.931036][ T5238] x26: ffff0000db2bd024 x25: ffff0000c8024000 x24: 1fffe0001be357d9 [ 55.932287][ T5238] x23: 1fffe0001be357d9 x22: ffff0000df1abec8 x21: 00000000fffffff4 [ 55.933507][ T5238] x20: 0000000000000051 x19: ffff0000df1abe70 x18: 0000000000000001 [ 55.934689][ T5238] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 55.935936][ T5238] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.937068][ T5238] x11: 0000000000000000 x10: 0000000000000000 x9 : 16c29ce5d78bd500 [ 55.938296][ T5238] x8 : 16c29ce5d78bd500 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.939455][ T5238] x5 : ffff8000216a70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 55.940674][ T5238] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.941835][ T5238] Call trace: [ 55.942304][ T5238] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.943118][ T5238] btrfs_commit_transaction+0x1b8/0x3044 [ 55.943949][ T5238] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.944757][ T5238] btrfs_ioctl+0x5f0/0xb38 [ 55.945411][ T5238] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.946156][ T5238] invoke_syscall+0x98/0x2b8 [ 55.946867][ T5238] el0_svc_common+0x138/0x258 [ 55.947585][ T5238] do_el0_svc+0x58/0x14c [ 55.948164][ T5238] el0_svc+0x78/0x1e0 [ 55.948779][ T5238] el0t_64_sync_handler+0xcc/0xe4 [ 55.949482][ T5238] el0t_64_sync+0x1a0/0x1a4 [ 55.950144][ T5238] irq event stamp: 79160 [ 55.950718][ T5238] hardirqs last enabled at (79159): [] __up_console_sem+0xb4/0x100 [ 55.952127][ T5238] hardirqs last disabled at (79160): [] el1_dbg+0x24/0x80 [ 55.953355][ T5238] softirqs last enabled at (79136): [] handle_softirqs+0xa4c/0xbf0 [ 55.954709][ T5238] softirqs last disabled at (79129): [] __irq_exit_rcu+0x240/0x440 [ 55.956001][ T5238] ---[ end trace 21574b08a91c357f ]--- [ 55.956936][ T5238] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 56.092960][ T5260] loop0: detected capacity change from 0 to 32768 [ 56.173396][ T5260] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5260) [ 56.191681][ T5260] FAULT_INJECTION: forcing a failure. [ 56.191681][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 56.193507][ T5260] CPU: 1 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.194870][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.196286][ T5260] Call trace: [ 56.196723][ T5260] dump_backtrace+0x0/0x43c [ 56.197407][ T5260] show_stack+0x2c/0x3c [ 56.197996][ T5260] __dump_stack+0x30/0x40 [ 56.198649][ T5260] dump_stack_lvl+0xf8/0x160 [ 56.199433][ T5260] dump_stack+0x1c/0x5c [ 56.200060][ T5260] should_fail+0x3c0/0x51c [ 56.200712][ T5260] __should_failslab+0xbc/0x10c [ 56.201453][ T5260] should_failslab+0x10/0x28 [ 56.202184][ T5260] slab_pre_alloc_hook+0x64/0xec [ 56.202959][ T5260] kmem_cache_alloc+0x94/0x3e4 [ 56.203715][ T5260] btrfs_alloc_path+0x5c/0x68 [ 56.204427][ T5260] __btrfs_free_extent+0x19c/0x1aa4 [ 56.205192][ T5260] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 56.206070][ T5260] btrfs_run_delayed_refs+0x124/0x46c [ 56.206921][ T5260] btrfs_commit_transaction+0x1b8/0x3044 [ 56.207809][ T5260] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.208686][ T5260] btrfs_ioctl+0x5f0/0xb38 [ 56.209342][ T5260] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.210112][ T5260] invoke_syscall+0x98/0x2b8 [ 56.210824][ T5260] el0_svc_common+0x138/0x258 [ 56.211474][ T5260] do_el0_svc+0x58/0x14c [ 56.212117][ T5260] el0_svc+0x78/0x1e0 [ 56.212697][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 56.213438][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 56.215462][ T5260] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 56.217721][ T5260] ------------[ cut here ]------------ [ 56.219640][ T5260] WARNING: CPU: 0 PID: 5260 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 56.221224][ T5260] Modules linked in: [ 56.221816][ T5260] CPU: 0 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.223275][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.224753][ T5260] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.225867][ T5260] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.226706][ T5260] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.227556][ T5260] sp : ffff800021a777d0 [ 56.228210][ T5260] x29: ffff800021a777e0 x28: ffff0000c2843000 x27: dfff800000000000 [ 56.229437][ T5260] x26: ffff0000c2843024 x25: ffff0000c8024000 x24: 1fffe0001be357ef [ 56.230699][ T5260] x23: 1fffe0001be357ef x22: ffff0000df1abf78 x21: 00000000fffffff4 [ 56.231885][ T5260] x20: 0000000000000051 x19: ffff0000df1abf20 x18: 0000000000000001 [ 56.233111][ T5260] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 56.234285][ T5260] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.235528][ T5260] x11: 0000000000000000 x10: 0000000000000000 x9 : 2d91048c78e6d200 [ 56.236684][ T5260] x8 : 2d91048c78e6d200 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.237744][ T5260] x5 : ffff800021a770b8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 56.238885][ T5260] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.240110][ T5260] Call trace: [ 56.240606][ T5260] btrfs_run_delayed_refs+0x3f4/0x46c [ 56.241421][ T5260] btrfs_commit_transaction+0x1b8/0x3044 [ 56.242171][ T5260] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.242889][ T5260] btrfs_ioctl+0x5f0/0xb38 [ 56.243530][ T5260] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.244289][ T5260] invoke_syscall+0x98/0x2b8 [ 56.244988][ T5260] el0_svc_common+0x138/0x258 [ 56.245625][ T5260] do_el0_svc+0x58/0x14c [ 56.246251][ T5260] el0_svc+0x78/0x1e0 [ 56.246840][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 56.247566][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 56.248243][ T5260] irq event stamp: 79778 [ 56.248876][ T5260] hardirqs last enabled at (79777): [] __up_console_sem+0xb4/0x100 [ 56.250218][ T5260] hardirqs last disabled at (79778): [] el1_dbg+0x24/0x80 [ 56.251485][ T5260] softirqs last enabled at (79766): [] handle_softirqs+0xa4c/0xbf0 [ 56.252777][ T5260] softirqs last disabled at (79719): [] __irq_exit_rcu+0x240/0x440 [ 56.254199][ T5260] ---[ end trace 21574b08a91c3580 ]--- [ 56.255181][ T5260] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 56.392419][ T5282] loop0: detected capacity change from 0 to 32768 [ 56.421437][ T5282] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5282) [ 56.440431][ T5282] FAULT_INJECTION: forcing a failure. [ 56.440431][ T5282] name failslab, interval 1, probability 0, space 0, times 0 [ 56.442567][ T5282] CPU: 1 PID: 5282 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.443880][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.445398][ T5282] Call trace: [ 56.445981][ T5282] dump_backtrace+0x0/0x43c [ 56.446706][ T5282] show_stack+0x2c/0x3c [ 56.447379][ T5282] __dump_stack+0x30/0x40 [ 56.448075][ T5282] dump_stack_lvl+0xf8/0x160 [ 56.448780][ T5282] dump_stack+0x1c/0x5c [ 56.449432][ T5282] should_fail+0x3c0/0x51c [ 56.450110][ T5282] __should_failslab+0xbc/0x10c [ 56.450834][ T5282] should_failslab+0x10/0x28 [ 56.451535][ T5282] slab_pre_alloc_hook+0x64/0xec [ 56.452297][ T5282] kmem_cache_alloc+0x94/0x3e4 [ 56.453004][ T5282] btrfs_alloc_path+0x5c/0x68 [ 56.453719][ T5282] __btrfs_run_delayed_refs+0xd70/0x3354 [ 56.454547][ T5282] btrfs_run_delayed_refs+0x124/0x46c [ 56.455349][ T5282] btrfs_commit_transaction+0x1b8/0x3044 [ 56.456167][ T5282] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.456972][ T5282] btrfs_ioctl+0x5f0/0xb38 [ 56.457627][ T5282] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.458384][ T5282] invoke_syscall+0x98/0x2b8 [ 56.459097][ T5282] el0_svc_common+0x138/0x258 [ 56.459845][ T5282] do_el0_svc+0x58/0x14c [ 56.460470][ T5282] el0_svc+0x78/0x1e0 [ 56.461096][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 56.461868][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 56.463063][ T5282] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 56.465256][ T5282] ------------[ cut here ]------------ [ 56.466176][ T5282] WARNING: CPU: 1 PID: 5282 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 56.467797][ T5282] Modules linked in: [ 56.468397][ T5282] CPU: 1 PID: 5282 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.469800][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.471299][ T5282] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.472547][ T5282] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.473375][ T5282] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.474256][ T5282] sp : ffff800021b977d0 [ 56.474874][ T5282] x29: ffff800021b977e0 x28: ffff0000c1630000 x27: dfff800000000000 [ 56.476115][ T5282] x26: ffff0000c1630024 x25: ffff0000dcb14000 x24: 1fffe0001be3576b [ 56.477343][ T5282] x23: 1fffe0001be3576b x22: ffff0000df1abb58 x21: 00000000fffffff4 [ 56.478633][ T5282] x20: 0000000000000051 x19: ffff0000df1abb00 x18: 0000000000000001 [ 56.479884][ T5282] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 56.481033][ T5282] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.482204][ T5282] x11: 0000000000000000 x10: 0000000000000000 x9 : d92295d09360c600 [ 56.483450][ T5282] x8 : d92295d09360c600 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.484615][ T5282] x5 : ffff800021b970b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 56.485812][ T5282] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.486938][ T5282] Call trace: [ 56.487411][ T5282] btrfs_run_delayed_refs+0x3f4/0x46c [ 56.488243][ T5282] btrfs_commit_transaction+0x1b8/0x3044 [ 56.489077][ T5282] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.489837][ T5282] btrfs_ioctl+0x5f0/0xb38 [ 56.490481][ T5282] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.491162][ T5282] invoke_syscall+0x98/0x2b8 [ 56.491766][ T5282] el0_svc_common+0x138/0x258 [ 56.492418][ T5282] do_el0_svc+0x58/0x14c [ 56.493024][ T5282] el0_svc+0x78/0x1e0 [ 56.493603][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 56.494318][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 56.494979][ T5282] irq event stamp: 79082 [ 56.495626][ T5282] hardirqs last enabled at (79081): [] __up_console_sem+0xb4/0x100 [ 56.497030][ T5282] hardirqs last disabled at (79082): [] el1_dbg+0x24/0x80 [ 56.498325][ T5282] softirqs last enabled at (79044): [] handle_softirqs+0xa4c/0xbf0 [ 56.499798][ T5282] softirqs last disabled at (79031): [] __irq_exit_rcu+0x240/0x440 [ 56.501289][ T5282] ---[ end trace 21574b08a91c3581 ]--- [ 56.502646][ T5282] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory 1970/01/01 00:00:56 executed programs: 31 [ 56.632880][ T5304] loop0: detected capacity change from 0 to 32768 [ 56.691414][ T5304] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5304) [ 56.713063][ T5304] FAULT_INJECTION: forcing a failure. [ 56.713063][ T5304] name failslab, interval 1, probability 0, space 0, times 0 [ 56.715389][ T5304] CPU: 1 PID: 5304 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.716760][ T5304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.718406][ T5304] Call trace: [ 56.718902][ T5304] dump_backtrace+0x0/0x43c [ 56.719654][ T5304] show_stack+0x2c/0x3c [ 56.720257][ T5304] __dump_stack+0x30/0x40 [ 56.720909][ T5304] dump_stack_lvl+0xf8/0x160 [ 56.721531][ T5304] dump_stack+0x1c/0x5c [ 56.722180][ T5304] should_fail+0x3c0/0x51c [ 56.722771][ T5304] __should_failslab+0xbc/0x10c [ 56.723540][ T5304] should_failslab+0x10/0x28 [ 56.724217][ T5304] slab_pre_alloc_hook+0x64/0xec [ 56.725037][ T5304] kmem_cache_alloc+0x94/0x3e4 [ 56.725776][ T5304] start_transaction+0x4d0/0x13f0 [ 56.726488][ T5304] btrfs_start_transaction+0x34/0x44 [ 56.727223][ T5304] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 56.728054][ T5304] btrfs_ioctl+0x5f0/0xb38 [ 56.728726][ T5304] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.729438][ T5304] invoke_syscall+0x98/0x2b8 [ 56.730147][ T5304] el0_svc_common+0x138/0x258 [ 56.730823][ T5304] do_el0_svc+0x58/0x14c [ 56.731472][ T5304] el0_svc+0x78/0x1e0 [ 56.732099][ T5304] el0t_64_sync_handler+0xcc/0xe4 [ 56.732805][ T5304] el0t_64_sync+0x1a0/0x1a4 [ 56.768175][ T4287] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 10 /dev/loop0 scanned by udevd (4287) [ 56.879684][ T5326] loop0: detected capacity change from 0 to 32768 [ 57.040074][ T5326] FAULT_INJECTION: forcing a failure. [ 57.040074][ T5326] name failslab, interval 1, probability 0, space 0, times 0 [ 57.042289][ T5326] CPU: 1 PID: 5326 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.043685][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.045320][ T5326] Call trace: [ 57.045784][ T5326] dump_backtrace+0x0/0x43c [ 57.046492][ T5326] show_stack+0x2c/0x3c [ 57.047120][ T5326] __dump_stack+0x30/0x40 [ 57.047762][ T5326] dump_stack_lvl+0xf8/0x160 [ 57.048451][ T5326] dump_stack+0x1c/0x5c [ 57.049015][ T5326] should_fail+0x3c0/0x51c [ 57.049649][ T5326] __should_failslab+0xbc/0x10c [ 57.050361][ T5326] should_failslab+0x10/0x28 [ 57.051040][ T5326] slab_pre_alloc_hook+0x64/0xec [ 57.051780][ T5326] kmem_cache_alloc+0x94/0x3e4 [ 57.052469][ T5326] btrfs_alloc_path+0x5c/0x68 [ 57.053142][ T5326] __btrfs_run_delayed_refs+0xd70/0x3354 [ 57.053982][ T5326] btrfs_run_delayed_refs+0x124/0x46c [ 57.054761][ T5326] btrfs_commit_transaction+0x1b8/0x3044 [ 57.055591][ T5326] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.056464][ T5326] btrfs_ioctl+0x5f0/0xb38 [ 57.057072][ T5326] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.057764][ T5326] invoke_syscall+0x98/0x2b8 [ 57.058487][ T5326] el0_svc_common+0x138/0x258 [ 57.059174][ T5326] do_el0_svc+0x58/0x14c [ 57.059735][ T5326] el0_svc+0x78/0x1e0 [ 57.060312][ T5326] el0t_64_sync_handler+0xcc/0xe4 [ 57.061070][ T5326] el0t_64_sync+0x1a0/0x1a4 [ 57.063326][ T5326] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 57.065349][ T5326] ------------[ cut here ]------------ [ 57.066295][ T5326] WARNING: CPU: 1 PID: 5326 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 57.067819][ T5326] Modules linked in: [ 57.068376][ T5326] CPU: 1 PID: 5326 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.069791][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.071288][ T5326] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.072340][ T5326] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.073163][ T5326] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.073986][ T5326] sp : ffff800021fb77d0 [ 57.074572][ T5326] x29: ffff800021fb77e0 x28: ffff0000c1631000 x27: dfff800000000000 [ 57.075767][ T5326] x26: ffff0000c1631024 x25: ffff0000d34a0000 x24: 1fffe0001be35713 [ 57.076935][ T5326] x23: 1fffe0001be35713 x22: ffff0000df1ab898 x21: 00000000fffffff4 [ 57.078219][ T5326] x20: 0000000000000051 x19: ffff0000df1ab840 x18: 0000000000000001 [ 57.079364][ T5326] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 57.080583][ T5326] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.081783][ T5326] x11: 0000000000000000 x10: 0000000000000000 x9 : 23264d63f9cc7a00 [ 57.083160][ T5326] x8 : 23264d63f9cc7a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.084501][ T5326] x5 : ffff800021fb70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 57.085765][ T5326] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.087052][ T5326] Call trace: [ 57.087556][ T5326] btrfs_run_delayed_refs+0x3f4/0x46c [ 57.088367][ T5326] btrfs_commit_transaction+0x1b8/0x3044 [ 57.089280][ T5326] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.090131][ T5326] btrfs_ioctl+0x5f0/0xb38 [ 57.090769][ T5326] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.091584][ T5326] invoke_syscall+0x98/0x2b8 [ 57.092259][ T5326] el0_svc_common+0x138/0x258 [ 57.093007][ T5326] do_el0_svc+0x58/0x14c [ 57.093703][ T5326] el0_svc+0x78/0x1e0 [ 57.094363][ T5326] el0t_64_sync_handler+0xcc/0xe4 [ 57.095200][ T5326] el0t_64_sync+0x1a0/0x1a4 [ 57.095884][ T5326] irq event stamp: 79378 [ 57.096550][ T5326] hardirqs last enabled at (79377): [] __up_console_sem+0xb4/0x100 [ 57.097973][ T5326] hardirqs last disabled at (79378): [] el1_dbg+0x24/0x80 [ 57.099254][ T5326] softirqs last enabled at (79330): [] handle_softirqs+0xa4c/0xbf0 [ 57.100755][ T5326] softirqs last disabled at (79319): [] __irq_exit_rcu+0x240/0x440 [ 57.102167][ T5326] ---[ end trace 21574b08a91c3582 ]--- [ 57.105147][ T5326] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 57.235494][ T5348] loop0: detected capacity change from 0 to 32768 [ 57.291163][ T5348] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5348) [ 57.315852][ T5348] FAULT_INJECTION: forcing a failure. [ 57.315852][ T5348] name failslab, interval 1, probability 0, space 0, times 0 [ 57.318213][ T5348] CPU: 1 PID: 5348 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.319517][ T5348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.321053][ T5348] Call trace: [ 57.321507][ T5348] dump_backtrace+0x0/0x43c [ 57.322182][ T5348] show_stack+0x2c/0x3c [ 57.322747][ T5348] __dump_stack+0x30/0x40 [ 57.323345][ T5348] dump_stack_lvl+0xf8/0x160 [ 57.324051][ T5348] dump_stack+0x1c/0x5c [ 57.324666][ T5348] should_fail+0x3c0/0x51c [ 57.325296][ T5348] __should_failslab+0xbc/0x10c [ 57.326009][ T5348] should_failslab+0x10/0x28 [ 57.326672][ T5348] slab_pre_alloc_hook+0x64/0xec [ 57.327420][ T5348] kmem_cache_alloc+0x94/0x3e4 [ 57.328129][ T5348] btrfs_alloc_path+0x5c/0x68 [ 57.328812][ T5348] __btrfs_free_extent+0x19c/0x1aa4 [ 57.329557][ T5348] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 57.330406][ T5348] btrfs_run_delayed_refs+0x124/0x46c [ 57.331188][ T5348] btrfs_commit_transaction+0x1b8/0x3044 [ 57.332043][ T5348] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.332824][ T5348] btrfs_ioctl+0x5f0/0xb38 [ 57.333437][ T5348] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.334135][ T5348] invoke_syscall+0x98/0x2b8 [ 57.334790][ T5348] el0_svc_common+0x138/0x258 [ 57.335510][ T5348] do_el0_svc+0x58/0x14c [ 57.336173][ T5348] el0_svc+0x78/0x1e0 [ 57.336754][ T5348] el0t_64_sync_handler+0xcc/0xe4 [ 57.337486][ T5348] el0t_64_sync+0x1a0/0x1a4 [ 57.340174][ T5348] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 57.342227][ T5348] ------------[ cut here ]------------ [ 57.343247][ T5348] WARNING: CPU: 1 PID: 5348 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 57.344822][ T5348] Modules linked in: [ 57.345413][ T5348] CPU: 1 PID: 5348 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.346800][ T5348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.348400][ T5348] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.349512][ T5348] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.350335][ T5348] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.351256][ T5348] sp : ffff800021fb77d0 [ 57.351905][ T5348] x29: ffff800021fb77e0 x28: ffff0000d517c000 x27: dfff800000000000 [ 57.353106][ T5348] x26: ffff0000d517c024 x25: ffff0000d34a0000 x24: 1fffe0001be356a5 [ 57.354340][ T5348] x23: 1fffe0001be356a5 x22: ffff0000df1ab528 x21: 00000000fffffff4 [ 57.355579][ T5348] x20: 0000000000000051 x19: ffff0000df1ab4d0 x18: 0000000000000001 [ 57.356872][ T5348] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 57.358081][ T5348] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.359324][ T5348] x11: 0000000000000000 x10: 0000000000000000 x9 : ec37b3da3f389d00 [ 57.360502][ T5348] x8 : ec37b3da3f389d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.361723][ T5348] x5 : ffff800021fb70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 57.362884][ T5348] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.364119][ T5348] Call trace: [ 57.364590][ T5348] btrfs_run_delayed_refs+0x3f4/0x46c [ 57.365385][ T5348] btrfs_commit_transaction+0x1b8/0x3044 [ 57.366234][ T5348] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.366995][ T5348] btrfs_ioctl+0x5f0/0xb38 [ 57.367661][ T5348] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.368390][ T5348] invoke_syscall+0x98/0x2b8 [ 57.369055][ T5348] el0_svc_common+0x138/0x258 [ 57.369724][ T5348] do_el0_svc+0x58/0x14c [ 57.370337][ T5348] el0_svc+0x78/0x1e0 [ 57.370904][ T5348] el0t_64_sync_handler+0xcc/0xe4 [ 57.371707][ T5348] el0t_64_sync+0x1a0/0x1a4 [ 57.372313][ T5348] irq event stamp: 79314 [ 57.372886][ T5348] hardirqs last enabled at (79313): [] __up_console_sem+0xb4/0x100 [ 57.374212][ T5348] hardirqs last disabled at (79314): [] el1_dbg+0x24/0x80 [ 57.375489][ T5348] softirqs last enabled at (79278): [] handle_softirqs+0xa4c/0xbf0 [ 57.376985][ T5348] softirqs last disabled at (79235): [] __irq_exit_rcu+0x240/0x440 [ 57.378405][ T5348] ---[ end trace 21574b08a91c3583 ]--- [ 57.381384][ T5348] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 57.382918][ T5348] btrfs_printk: 60 callbacks suppressed [ 57.382926][ T5348] BTRFS info (device loop0): forced readonly