Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts. 1970/01/01 00:00:48 ignoring optional flag "type"="gce" 1970/01/01 00:00:48 parsed 1 programs [ 49.029534][ T4280] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:49 executed programs: 0 [ 49.094799][ T4291] chnl_net:caif_netlink_parms(): no params data found [ 49.113903][ T4291] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.115123][ T4291] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.116509][ T4291] device bridge_slave_0 entered promiscuous mode [ 49.119175][ T4291] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.120375][ T4291] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.121789][ T4291] device bridge_slave_1 entered promiscuous mode [ 49.130183][ T4291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.133421][ T4291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.142098][ T4291] team0: Port device team_slave_0 added [ 49.144986][ T4291] team0: Port device team_slave_1 added [ 49.152381][ T4291] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.153457][ T4291] 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. [ 49.157235][ T4291] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.159584][ T4291] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.160697][ T4291] 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. [ 49.164607][ T4291] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.227676][ T4291] device hsr_slave_0 entered promiscuous mode [ 49.266718][ T4291] device hsr_slave_1 entered promiscuous mode [ 49.832208][ T4291] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.848194][ T4291] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.898105][ T4291] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.947822][ T4291] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.014168][ T4291] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.015247][ T4291] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.016370][ T4291] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.017483][ T4291] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.035900][ T4291] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.040887][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.043911][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.045330][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.048047][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.053012][ T4291] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.056144][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.058642][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.059783][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.062970][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.064579][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.065697][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.076480][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.078530][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.080198][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.084742][ T4291] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.086424][ T4291] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.089390][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.090904][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.092660][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.094160][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.095621][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.135363][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.136875][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.140354][ T4291] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.147757][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.149383][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.163052][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.164518][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.166195][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.168568][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.170511][ T4291] device veth0_vlan entered promiscuous mode [ 50.174164][ T4291] device veth1_vlan entered promiscuous mode [ 50.185483][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.187115][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.188498][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.189985][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.192634][ T4291] device veth0_macvtap entered promiscuous mode [ 50.194927][ T4291] device veth1_macvtap entered promiscuous mode [ 50.201289][ T4291] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.202426][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.203846][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.205597][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.207883][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.210652][ T4291] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.212797][ T4291] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.214131][ T4291] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.215427][ T4291] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.218992][ T4291] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.221230][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.222773][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.371739][ T4415] loop0: detected capacity change from 0 to 32768 [ 50.417520][ T4415] ======================================================= [ 50.417520][ T4415] WARNING: The mand mount option has been deprecated and [ 50.417520][ T4415] and is ignored by this kernel. Remove the mand [ 50.417520][ T4415] option from the mount to silence this warning. [ 50.417520][ T4415] ======================================================= [ 50.427261][ T4415] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4415) [ 50.435616][ T4415] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.437799][ T4415] BTRFS info (device loop0): use zlib compression, level 3 [ 50.438938][ T4415] BTRFS info (device loop0): disabling tree log [ 50.439932][ T4415] BTRFS info (device loop0): turning on sync discard [ 50.440895][ T4415] BTRFS info (device loop0): enabling ssd optimizations [ 50.441955][ T4415] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.443067][ T4415] BTRFS info (device loop0): using free space tree [ 50.443976][ T4415] BTRFS info (device loop0): has skinny extents [ 50.500140][ T4415] FAULT_INJECTION: forcing a failure. [ 50.500140][ T4415] name failslab, interval 1, probability 0, space 0, times 1 [ 50.502229][ T4415] CPU: 0 PID: 4415 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.503326][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.504793][ T4415] Call trace: [ 50.505237][ T4415] dump_backtrace+0x0/0x43c [ 50.505864][ T4415] show_stack+0x2c/0x3c [ 50.506405][ T4415] __dump_stack+0x30/0x40 [ 50.507091][ T4415] dump_stack_lvl+0xf8/0x160 [ 50.507824][ T4415] dump_stack+0x1c/0x5c [ 50.508397][ T4415] should_fail+0x3c0/0x51c [ 50.509063][ T4415] __should_failslab+0xbc/0x10c [ 50.509814][ T4415] should_failslab+0x10/0x28 [ 50.510546][ T4415] slab_pre_alloc_hook+0x64/0xec [ 50.511338][ T4415] kmem_cache_alloc+0x94/0x3e4 [ 50.512101][ T4415] btrfs_alloc_path+0x5c/0x68 [ 50.512837][ T4415] __btrfs_run_delayed_refs+0xd70/0x3354 [ 50.513675][ T4415] btrfs_run_delayed_refs+0x124/0x46c [ 50.514461][ T4415] btrfs_commit_transaction+0x1b8/0x3044 [ 50.515247][ T4415] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.515958][ T4415] btrfs_ioctl+0x5f0/0xb38 [ 50.516587][ T4415] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.517293][ T4415] invoke_syscall+0x98/0x2b8 [ 50.517926][ T4415] el0_svc_common+0x138/0x258 [ 50.518574][ T4415] do_el0_svc+0x58/0x14c [ 50.519235][ T4415] el0_svc+0x78/0x1e0 [ 50.519801][ T4415] el0t_64_sync_handler+0xcc/0xe4 [ 50.520548][ T4415] el0t_64_sync+0x1a0/0x1a4 [ 50.524646][ T4415] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 50.526884][ T4415] ------------[ cut here ]------------ [ 50.527822][ T4415] WARNING: CPU: 0 PID: 4415 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 50.529393][ T4415] Modules linked in: [ 50.530026][ T4415] CPU: 0 PID: 4415 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.531119][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.532793][ T4415] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.534045][ T4415] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.534885][ T4415] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.535773][ T4415] sp : ffff80001b8f77d0 [ 50.536501][ T4415] x29: ffff80001b8f77e0 x28: ffff0000d5cf0000 x27: dfff800000000000 [ 50.537845][ T4415] x26: ffff0000d5cf0024 x25: ffff0000d601c000 x24: 1fffe0001bd38621 [ 50.539008][ T4415] x23: 1fffe0001bd38621 x22: ffff0000de9c3108 x21: 00000000fffffff4 [ 50.540130][ T4415] x20: 0000000000000051 x19: ffff0000de9c30b0 x18: 0000000000000001 [ 50.541530][ T4415] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 50.542820][ T4415] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.544198][ T4415] x11: 0000000000000000 x10: 0000000000000000 x9 : 01bbfd4efa9dab00 [ 50.545579][ T4415] x8 : 01bbfd4efa9dab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.546871][ T4415] x5 : ffff80001b8f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 50.548251][ T4415] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.549494][ T4415] Call trace: [ 50.549978][ T4415] btrfs_run_delayed_refs+0x3f4/0x46c [ 50.550769][ T4415] btrfs_commit_transaction+0x1b8/0x3044 [ 50.551689][ T4415] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.552578][ T4415] btrfs_ioctl+0x5f0/0xb38 [ 50.553277][ T4415] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.554042][ T4415] invoke_syscall+0x98/0x2b8 [ 50.554728][ T4415] el0_svc_common+0x138/0x258 [ 50.555480][ T4415] do_el0_svc+0x58/0x14c [ 50.556066][ T4415] el0_svc+0x78/0x1e0 [ 50.556715][ T4415] el0t_64_sync_handler+0xcc/0xe4 [ 50.557431][ T4415] el0t_64_sync+0x1a0/0x1a4 [ 50.558076][ T4415] irq event stamp: 83450 [ 50.558686][ T4415] hardirqs last enabled at (83449): [] __up_console_sem+0xb4/0x100 [ 50.560051][ T4415] hardirqs last disabled at (83450): [] el1_dbg+0x24/0x80 [ 50.561238][ T4415] softirqs last enabled at (83422): [] handle_softirqs+0xa4c/0xbf0 [ 50.562546][ T4415] softirqs last disabled at (83403): [] __irq_exit_rcu+0x240/0x440 [ 50.563928][ T4415] ---[ end trace b5c04df1b2e8d974 ]--- [ 50.568344][ T4415] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 50.570065][ T4415] BTRFS info (device loop0): forced readonly [ 50.783006][ T4484] loop0: detected capacity change from 0 to 32768 [ 50.788353][ T4484] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4484) [ 50.797669][ T4484] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.799158][ T4484] BTRFS info (device loop0): use zlib compression, level 3 [ 50.800374][ T4484] BTRFS info (device loop0): disabling tree log [ 50.801357][ T4484] BTRFS info (device loop0): turning on sync discard [ 50.802465][ T4484] BTRFS info (device loop0): enabling ssd optimizations [ 50.803656][ T4484] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.804782][ T4484] BTRFS info (device loop0): using free space tree [ 50.805721][ T4484] BTRFS info (device loop0): has skinny extents [ 50.867936][ T4484] FAULT_INJECTION: forcing a failure. [ 50.867936][ T4484] name failslab, interval 1, probability 0, space 0, times 0 [ 50.870880][ T4484] CPU: 0 PID: 4484 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.872365][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.873898][ T4484] Call trace: [ 50.874397][ T4484] dump_backtrace+0x0/0x43c [ 50.875053][ T4484] show_stack+0x2c/0x3c [ 50.875688][ T4484] __dump_stack+0x30/0x40 [ 50.876315][ T4484] dump_stack_lvl+0xf8/0x160 [ 50.876931][ T4484] dump_stack+0x1c/0x5c [ 50.877491][ T4484] should_fail+0x3c0/0x51c [ 50.878189][ T4484] __should_failslab+0xbc/0x10c [ 50.878924][ T4484] should_failslab+0x10/0x28 [ 50.879648][ T4484] slab_pre_alloc_hook+0x64/0xec [ 50.880444][ T4484] kmem_cache_alloc+0x94/0x3e4 [ 50.881160][ T4484] btrfs_alloc_path+0x5c/0x68 [ 50.881967][ T4484] __btrfs_free_extent+0x19c/0x1aa4 [ 50.882902][ T4484] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 50.883735][ T4484] btrfs_run_delayed_refs+0x124/0x46c [ 50.884624][ T4484] btrfs_commit_transaction+0x1b8/0x3044 [ 50.885469][ T4484] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.886383][ T4484] btrfs_ioctl+0x5f0/0xb38 [ 50.887061][ T4484] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.887840][ T4484] invoke_syscall+0x98/0x2b8 [ 50.888541][ T4484] el0_svc_common+0x138/0x258 [ 50.889315][ T4484] do_el0_svc+0x58/0x14c [ 50.889993][ T4484] el0_svc+0x78/0x1e0 [ 50.890608][ T4484] el0t_64_sync_handler+0xcc/0xe4 [ 50.891343][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 50.894611][ T4484] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 50.896960][ T4484] ------------[ cut here ]------------ [ 50.897972][ T4484] WARNING: CPU: 0 PID: 4484 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 50.899506][ T4484] Modules linked in: [ 50.900069][ T4484] CPU: 0 PID: 4484 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.901443][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.902891][ T4484] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.904053][ T4484] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.904875][ T4484] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 50.905774][ T4484] sp : ffff80001f1a77d0 [ 50.906406][ T4484] x29: ffff80001f1a77e0 x28: ffff0000db4b0000 x27: dfff800000000000 [ 50.907595][ T4484] x26: ffff0000db4b0024 x25: ffff0000c9e40000 x24: 1fffe0001bd3864d [ 50.908780][ T4484] x23: 1fffe0001bd3864d x22: ffff0000de9c3268 x21: 00000000fffffff4 [ 50.910047][ T4484] x20: 0000000000000051 x19: ffff0000de9c3210 x18: 0000000000000001 [ 50.911265][ T4484] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 50.912486][ T4484] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.913772][ T4484] x11: 0000000000000000 x10: 0000000000000000 x9 : bd7e4016a6bcb400 [ 50.915029][ T4484] x8 : bd7e4016a6bcb400 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.916384][ T4484] x5 : ffff80001f1a70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 50.917725][ T4484] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.919120][ T4484] Call trace: [ 50.919660][ T4484] btrfs_run_delayed_refs+0x3f4/0x46c [ 50.920509][ T4484] btrfs_commit_transaction+0x1b8/0x3044 [ 50.921416][ T4484] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 50.922326][ T4484] btrfs_ioctl+0x5f0/0xb38 [ 50.923034][ T4484] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.923803][ T4484] invoke_syscall+0x98/0x2b8 [ 50.924413][ T4484] el0_svc_common+0x138/0x258 [ 50.925163][ T4484] do_el0_svc+0x58/0x14c [ 50.925851][ T4484] el0_svc+0x78/0x1e0 [ 50.926504][ T4484] el0t_64_sync_handler+0xcc/0xe4 [ 50.927353][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 50.928031][ T4484] irq event stamp: 83102 [ 50.928662][ T4484] hardirqs last enabled at (83101): [] __up_console_sem+0xb4/0x100 [ 50.930117][ T4484] hardirqs last disabled at (83102): [] el1_dbg+0x24/0x80 [ 50.931460][ T4484] softirqs last enabled at (83074): [] handle_softirqs+0xa4c/0xbf0 [ 50.932966][ T4484] softirqs last disabled at (83055): [] __irq_exit_rcu+0x240/0x440 [ 50.934441][ T4484] ---[ end trace b5c04df1b2e8d975 ]--- [ 50.938607][ T4484] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 50.940240][ T4484] BTRFS info (device loop0): forced readonly [ 51.137308][ T4469] Bluetooth: hci0: command 0x0409 tx timeout [ 51.150341][ T4543] loop0: detected capacity change from 0 to 32768 [ 51.192366][ T4543] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4543) [ 51.195997][ T4543] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.197995][ T4543] BTRFS info (device loop0): use zlib compression, level 3 [ 51.199285][ T4543] BTRFS info (device loop0): disabling tree log [ 51.200256][ T4543] BTRFS info (device loop0): turning on sync discard [ 51.201421][ T4543] BTRFS info (device loop0): enabling ssd optimizations [ 51.209030][ T4543] BTRFS info (device loop0): using spread ssd allocation scheme [ 51.210267][ T4543] BTRFS info (device loop0): using free space tree [ 51.211203][ T4543] BTRFS info (device loop0): has skinny extents [ 51.311001][ T4543] FAULT_INJECTION: forcing a failure. [ 51.311001][ T4543] name failslab, interval 1, probability 0, space 0, times 0 [ 51.312934][ T4543] CPU: 1 PID: 4543 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.314214][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.315936][ T4543] Call trace: [ 51.316469][ T4543] dump_backtrace+0x0/0x43c [ 51.317196][ T4543] show_stack+0x2c/0x3c [ 51.317807][ T4543] __dump_stack+0x30/0x40 [ 51.318461][ T4543] dump_stack_lvl+0xf8/0x160 [ 51.319129][ T4543] dump_stack+0x1c/0x5c [ 51.319678][ T4543] should_fail+0x3c0/0x51c [ 51.320313][ T4543] __should_failslab+0xbc/0x10c [ 51.321032][ T4543] should_failslab+0x10/0x28 [ 51.321679][ T4543] slab_pre_alloc_hook+0x64/0xec [ 51.322404][ T4543] kmem_cache_alloc+0x94/0x3e4 [ 51.323210][ T4543] btrfs_alloc_path+0x5c/0x68 [ 51.323927][ T4543] __btrfs_free_extent+0x19c/0x1aa4 [ 51.324763][ T4543] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 51.325579][ T4543] btrfs_run_delayed_refs+0x124/0x46c [ 51.326480][ T4543] btrfs_commit_transaction+0x1b8/0x3044 [ 51.327356][ T4543] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.328117][ T4543] btrfs_ioctl+0x5f0/0xb38 [ 51.328850][ T4543] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.329687][ T4543] invoke_syscall+0x98/0x2b8 [ 51.330434][ T4543] el0_svc_common+0x138/0x258 [ 51.331212][ T4543] do_el0_svc+0x58/0x14c [ 51.331943][ T4543] el0_svc+0x78/0x1e0 [ 51.332584][ T4543] el0t_64_sync_handler+0xcc/0xe4 [ 51.333370][ T4543] el0t_64_sync+0x1a0/0x1a4 [ 51.354717][ T4543] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 51.358220][ T4543] ------------[ cut here ]------------ [ 51.359193][ T4543] WARNING: CPU: 1 PID: 4543 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 51.360871][ T4543] Modules linked in: [ 51.361503][ T4543] CPU: 1 PID: 4543 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.362913][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.364444][ T4543] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.365577][ T4543] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.366448][ T4543] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.367276][ T4543] sp : ffff80001f9e77d0 [ 51.367941][ T4543] x29: ffff80001f9e77e0 x28: ffff0000c1516000 x27: dfff800000000000 [ 51.369061][ T4543] x26: ffff0000c1516024 x25: ffff0000cd824000 x24: 1fffe0001a419c21 [ 51.370412][ T4543] x23: 1fffe0001a419c21 x22: ffff0000d20ce108 x21: 00000000fffffff4 [ 51.371742][ T4543] x20: 0000000000000051 x19: ffff0000d20ce0b0 x18: 0000000000000001 [ 51.373045][ T4543] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 51.374422][ T4543] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.375772][ T4543] x11: 0000000000000000 x10: 0000000000000000 x9 : 7ba4aaeb62aa0500 [ 51.377043][ T4543] x8 : 7ba4aaeb62aa0500 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.378244][ T4543] x5 : ffff80001f9e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 51.379462][ T4543] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.380790][ T4543] Call trace: [ 51.381331][ T4543] btrfs_run_delayed_refs+0x3f4/0x46c [ 51.382198][ T4543] btrfs_commit_transaction+0x1b8/0x3044 [ 51.383020][ T4543] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.383884][ T4543] btrfs_ioctl+0x5f0/0xb38 [ 51.384548][ T4543] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.385280][ T4543] invoke_syscall+0x98/0x2b8 [ 51.385921][ T4543] el0_svc_common+0x138/0x258 [ 51.386670][ T4543] do_el0_svc+0x58/0x14c [ 51.387354][ T4543] el0_svc+0x78/0x1e0 [ 51.388026][ T4543] el0t_64_sync_handler+0xcc/0xe4 [ 51.388784][ T4543] el0t_64_sync+0x1a0/0x1a4 [ 51.389567][ T4543] irq event stamp: 80872 [ 51.390293][ T4543] hardirqs last enabled at (80871): [] __up_console_sem+0xb4/0x100 [ 51.391856][ T4543] hardirqs last disabled at (80872): [] el1_dbg+0x24/0x80 [ 51.393231][ T4543] softirqs last enabled at (80824): [] handle_softirqs+0xa4c/0xbf0 [ 51.394778][ T4543] softirqs last disabled at (80811): [] __irq_exit_rcu+0x240/0x440 [ 51.396299][ T4543] ---[ end trace b5c04df1b2e8d976 ]--- [ 51.401523][ T4543] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 51.403111][ T4543] BTRFS info (device loop0): forced readonly [ 51.588241][ T4627] loop0: detected capacity change from 0 to 32768 [ 51.659541][ T4627] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4627) [ 51.664314][ T4627] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.667335][ T4627] BTRFS info (device loop0): use zlib compression, level 3 [ 51.669755][ T4627] BTRFS info (device loop0): disabling tree log [ 51.671800][ T4627] BTRFS info (device loop0): turning on sync discard [ 51.673774][ T4627] BTRFS info (device loop0): enabling ssd optimizations [ 51.677832][ T4627] BTRFS info (device loop0): using spread ssd allocation scheme [ 51.679139][ T4627] BTRFS info (device loop0): using free space tree [ 51.680297][ T4627] BTRFS info (device loop0): has skinny extents [ 51.751661][ T4627] FAULT_INJECTION: forcing a failure. [ 51.751661][ T4627] name failslab, interval 1, probability 0, space 0, times 0 [ 51.768056][ T4627] CPU: 1 PID: 4627 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.769492][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.771225][ T4627] Call trace: [ 51.771724][ T4627] dump_backtrace+0x0/0x43c [ 51.772368][ T4627] show_stack+0x2c/0x3c [ 51.772990][ T4627] __dump_stack+0x30/0x40 [ 51.773632][ T4627] dump_stack_lvl+0xf8/0x160 [ 51.774309][ T4627] dump_stack+0x1c/0x5c [ 51.774944][ T4627] should_fail+0x3c0/0x51c [ 51.775613][ T4627] __should_failslab+0xbc/0x10c [ 51.776283][ T4627] should_failslab+0x10/0x28 [ 51.777000][ T4627] slab_pre_alloc_hook+0x64/0xec [ 51.777707][ T4627] kmem_cache_alloc+0x94/0x3e4 [ 51.778483][ T4627] btrfs_alloc_path+0x5c/0x68 [ 51.779228][ T4627] __btrfs_free_extent+0x19c/0x1aa4 [ 51.780012][ T4627] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 51.780968][ T4627] btrfs_run_delayed_refs+0x124/0x46c [ 51.781863][ T4627] btrfs_commit_transaction+0x1b8/0x3044 [ 51.782776][ T4627] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.783626][ T4627] btrfs_ioctl+0x5f0/0xb38 [ 51.784276][ T4627] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.785045][ T4627] invoke_syscall+0x98/0x2b8 [ 51.785772][ T4627] el0_svc_common+0x138/0x258 [ 51.786510][ T4627] do_el0_svc+0x58/0x14c [ 51.787177][ T4627] el0_svc+0x78/0x1e0 [ 51.787757][ T4627] el0t_64_sync_handler+0xcc/0xe4 [ 51.788510][ T4627] el0t_64_sync+0x1a0/0x1a4 [ 51.791960][ T4627] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 51.793990][ T4627] ------------[ cut here ]------------ [ 51.794947][ T4627] WARNING: CPU: 1 PID: 4627 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 51.796410][ T4627] Modules linked in: [ 51.796977][ T4627] CPU: 1 PID: 4627 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.798264][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.799647][ T4627] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.800789][ T4627] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.801702][ T4627] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 51.802548][ T4627] sp : ffff80001fc677d0 [ 51.803133][ T4627] x29: ffff80001fc677e0 x28: ffff0000c1930000 x27: dfff800000000000 [ 51.804445][ T4627] x26: ffff0000c1930024 x25: ffff0000ced10000 x24: 1fffe0001a419c4d [ 51.805707][ T4627] x23: 1fffe0001a419c4d x22: ffff0000d20ce268 x21: 00000000fffffff4 [ 51.806993][ T4627] x20: 0000000000000051 x19: ffff0000d20ce210 x18: 0000000000000001 [ 51.808193][ T4627] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 51.809362][ T4627] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.810541][ T4627] x11: 0000000000000000 x10: 0000000000000000 x9 : 13df8baabc1d3700 [ 51.811752][ T4627] x8 : 13df8baabc1d3700 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.812936][ T4627] x5 : ffff80001fc670b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 51.814123][ T4627] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.815303][ T4627] Call trace: [ 51.815778][ T4627] btrfs_run_delayed_refs+0x3f4/0x46c [ 51.816553][ T4627] btrfs_commit_transaction+0x1b8/0x3044 [ 51.817319][ T4627] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 51.818090][ T4627] btrfs_ioctl+0x5f0/0xb38 [ 51.818716][ T4627] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.819445][ T4627] invoke_syscall+0x98/0x2b8 [ 51.820187][ T4627] el0_svc_common+0x138/0x258 [ 51.820863][ T4627] do_el0_svc+0x58/0x14c [ 51.821521][ T4627] el0_svc+0x78/0x1e0 [ 51.822123][ T4627] el0t_64_sync_handler+0xcc/0xe4 [ 51.822812][ T4627] el0t_64_sync+0x1a0/0x1a4 [ 51.823547][ T4627] irq event stamp: 81204 [ 51.824137][ T4627] hardirqs last enabled at (81203): [] __up_console_sem+0xb4/0x100 [ 51.825550][ T4627] hardirqs last disabled at (81204): [] el1_dbg+0x24/0x80 [ 51.826856][ T4627] softirqs last enabled at (81166): [] handle_softirqs+0xa4c/0xbf0 [ 51.828189][ T4627] softirqs last disabled at (81015): [] __irq_exit_rcu+0x240/0x440 [ 51.829530][ T4627] ---[ end trace b5c04df1b2e8d977 ]--- [ 51.835195][ T4627] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 51.836931][ T4627] BTRFS info (device loop0): forced readonly [ 52.044590][ T4700] loop0: detected capacity change from 0 to 32768 [ 52.068323][ T4700] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4700) [ 52.074454][ T4700] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.075924][ T4700] BTRFS info (device loop0): use zlib compression, level 3 [ 52.077469][ T4700] BTRFS info (device loop0): disabling tree log [ 52.078474][ T4700] BTRFS info (device loop0): turning on sync discard [ 52.079627][ T4700] BTRFS info (device loop0): enabling ssd optimizations [ 52.080812][ T4700] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.082096][ T4700] BTRFS info (device loop0): using free space tree [ 52.083254][ T4700] BTRFS info (device loop0): has skinny extents [ 52.097990][ T4700] FAULT_INJECTION: forcing a failure. [ 52.097990][ T4700] name failslab, interval 1, probability 0, space 0, times 0 [ 52.099987][ T4700] CPU: 0 PID: 4700 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.101511][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.103059][ T4700] Call trace: [ 52.103558][ T4700] dump_backtrace+0x0/0x43c [ 52.104194][ T4700] show_stack+0x2c/0x3c [ 52.104848][ T4700] __dump_stack+0x30/0x40 [ 52.105483][ T4700] dump_stack_lvl+0xf8/0x160 [ 52.106166][ T4700] dump_stack+0x1c/0x5c [ 52.106853][ T4700] should_fail+0x3c0/0x51c [ 52.107580][ T4700] __should_failslab+0xbc/0x10c [ 52.108356][ T4700] should_failslab+0x10/0x28 [ 52.109078][ T4700] slab_pre_alloc_hook+0x64/0xec [ 52.109892][ T4700] kmem_cache_alloc+0x94/0x3e4 [ 52.110664][ T4700] btrfs_alloc_path+0x5c/0x68 [ 52.111459][ T4700] __btrfs_run_delayed_refs+0xd70/0x3354 [ 52.112405][ T4700] btrfs_run_delayed_refs+0x124/0x46c [ 52.113270][ T4700] btrfs_commit_transaction+0x1b8/0x3044 [ 52.114153][ T4700] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.115053][ T4700] btrfs_ioctl+0x5f0/0xb38 [ 52.115677][ T4700] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.116457][ T4700] invoke_syscall+0x98/0x2b8 [ 52.117210][ T4700] el0_svc_common+0x138/0x258 [ 52.117937][ T4700] do_el0_svc+0x58/0x14c [ 52.118563][ T4700] el0_svc+0x78/0x1e0 [ 52.119122][ T4700] el0t_64_sync_handler+0xcc/0xe4 [ 52.119862][ T4700] el0t_64_sync+0x1a0/0x1a4 [ 52.121974][ T4700] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 52.123882][ T4700] ------------[ cut here ]------------ [ 52.124792][ T4700] WARNING: CPU: 0 PID: 4700 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.126382][ T4700] Modules linked in: [ 52.126945][ T4700] CPU: 0 PID: 4700 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.128246][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.129785][ T4700] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.131061][ T4700] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.131996][ T4700] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.132866][ T4700] sp : ffff80001f2c77d0 [ 52.133519][ T4700] x29: ffff80001f2c77e0 x28: ffff0000c2019000 x27: dfff800000000000 [ 52.134847][ T4700] x26: ffff0000c2019024 x25: ffff0000dabe8000 x24: 1fffe0001bd38679 [ 52.136102][ T4700] x23: 1fffe0001bd38679 x22: ffff0000de9c33c8 x21: 00000000fffffff4 [ 52.137268][ T4700] x20: 0000000000000051 x19: ffff0000de9c3370 x18: 0000000000000001 [ 52.138421][ T4700] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 52.139597][ T4700] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.140893][ T4700] x11: 0000000000000000 x10: 0000000000000000 x9 : ad028b24d7505100 [ 52.142212][ T4700] x8 : ad028b24d7505100 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.143604][ T4700] x5 : ffff80001f2c70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 52.144921][ T4700] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.146269][ T4700] Call trace: [ 52.146791][ T4700] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.147609][ T4700] btrfs_commit_transaction+0x1b8/0x3044 [ 52.148502][ T4700] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.149353][ T4700] btrfs_ioctl+0x5f0/0xb38 [ 52.150041][ T4700] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.150789][ T4700] invoke_syscall+0x98/0x2b8 [ 52.151565][ T4700] el0_svc_common+0x138/0x258 [ 52.152311][ T4700] do_el0_svc+0x58/0x14c [ 52.153008][ T4700] el0_svc+0x78/0x1e0 [ 52.153646][ T4700] el0t_64_sync_handler+0xcc/0xe4 [ 52.154423][ T4700] el0t_64_sync+0x1a0/0x1a4 [ 52.155141][ T4700] irq event stamp: 80548 [ 52.155821][ T4700] hardirqs last enabled at (80547): [] __up_console_sem+0xb4/0x100 [ 52.157266][ T4700] hardirqs last disabled at (80548): [] el1_dbg+0x24/0x80 [ 52.158781][ T4700] softirqs last enabled at (80510): [] handle_softirqs+0xa4c/0xbf0 [ 52.160336][ T4700] softirqs last disabled at (80495): [] __irq_exit_rcu+0x240/0x440 [ 52.161851][ T4700] ---[ end trace b5c04df1b2e8d978 ]--- [ 52.165105][ T4700] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.166803][ T4700] BTRFS info (device loop0): forced readonly [ 52.344947][ T4735] loop0: detected capacity change from 0 to 32768 [ 52.398485][ T4735] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4735) [ 52.403745][ T4735] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.405433][ T4735] BTRFS info (device loop0): use zlib compression, level 3 [ 52.407014][ T4735] BTRFS info (device loop0): disabling tree log [ 52.407991][ T4735] BTRFS info (device loop0): turning on sync discard [ 52.409143][ T4735] BTRFS info (device loop0): enabling ssd optimizations [ 52.410141][ T4735] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.411435][ T4735] BTRFS info (device loop0): using free space tree [ 52.412347][ T4735] BTRFS info (device loop0): has skinny extents [ 52.423485][ T4735] FAULT_INJECTION: forcing a failure. [ 52.423485][ T4735] name failslab, interval 1, probability 0, space 0, times 0 [ 52.425733][ T4735] CPU: 0 PID: 4735 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.427141][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.428649][ T4735] Call trace: [ 52.429129][ T4735] dump_backtrace+0x0/0x43c [ 52.429803][ T4735] show_stack+0x2c/0x3c [ 52.430422][ T4735] __dump_stack+0x30/0x40 [ 52.431110][ T4735] dump_stack_lvl+0xf8/0x160 [ 52.431842][ T4735] dump_stack+0x1c/0x5c [ 52.432534][ T4735] should_fail+0x3c0/0x51c [ 52.433255][ T4735] __should_failslab+0xbc/0x10c [ 52.433990][ T4735] should_failslab+0x10/0x28 [ 52.434734][ T4735] slab_pre_alloc_hook+0x64/0xec [ 52.435516][ T4735] kmem_cache_alloc+0x94/0x3e4 [ 52.436279][ T4735] btrfs_alloc_path+0x5c/0x68 [ 52.437046][ T4735] __btrfs_free_extent+0x19c/0x1aa4 [ 52.437927][ T4735] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 52.438855][ T4735] btrfs_run_delayed_refs+0x124/0x46c [ 52.439778][ T4735] btrfs_commit_transaction+0x1b8/0x3044 [ 52.440768][ T4735] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.441669][ T4735] btrfs_ioctl+0x5f0/0xb38 [ 52.442379][ T4735] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.443137][ T4735] invoke_syscall+0x98/0x2b8 [ 52.443846][ T4735] el0_svc_common+0x138/0x258 [ 52.444597][ T4735] do_el0_svc+0x58/0x14c [ 52.445273][ T4735] el0_svc+0x78/0x1e0 [ 52.445918][ T4735] el0t_64_sync_handler+0xcc/0xe4 [ 52.446711][ T4735] el0t_64_sync+0x1a0/0x1a4 [ 52.448662][ T4735] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 52.450827][ T4735] ------------[ cut here ]------------ [ 52.451758][ T4735] WARNING: CPU: 0 PID: 4735 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.453226][ T4735] Modules linked in: [ 52.453810][ T4735] CPU: 0 PID: 4735 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.455248][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.456748][ T4735] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.457843][ T4735] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.458832][ T4735] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.459800][ T4735] sp : ffff80001fd377d0 [ 52.460457][ T4735] x29: ffff80001fd377e0 x28: ffff0000c9077000 x27: dfff800000000000 [ 52.461656][ T4735] x26: ffff0000c9077024 x25: ffff0000d1ea0000 x24: 1fffe0001bd386a5 [ 52.462870][ T4735] x23: 1fffe0001bd386a5 x22: ffff0000de9c3528 x21: 00000000fffffff4 [ 52.464194][ T4735] x20: 0000000000000051 x19: ffff0000de9c34d0 x18: 0000000000000001 [ 52.465425][ T4735] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 52.466615][ T4735] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.467810][ T4735] x11: 0000000000000000 x10: 0000000000000000 x9 : 149e16b287997400 [ 52.469078][ T4735] x8 : 149e16b287997400 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.470331][ T4735] x5 : ffff80001fd370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 52.471543][ T4735] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.472870][ T4735] Call trace: [ 52.473393][ T4735] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.474190][ T4735] btrfs_commit_transaction+0x1b8/0x3044 [ 52.475001][ T4735] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.475781][ T4735] btrfs_ioctl+0x5f0/0xb38 [ 52.476382][ T4735] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.477124][ T4735] invoke_syscall+0x98/0x2b8 [ 52.477864][ T4735] el0_svc_common+0x138/0x258 [ 52.478618][ T4735] do_el0_svc+0x58/0x14c [ 52.479264][ T4735] el0_svc+0x78/0x1e0 [ 52.479881][ T4735] el0t_64_sync_handler+0xcc/0xe4 [ 52.480614][ T4735] el0t_64_sync+0x1a0/0x1a4 [ 52.481275][ T4735] irq event stamp: 82226 [ 52.481901][ T4735] hardirqs last enabled at (82225): [] __up_console_sem+0xb4/0x100 [ 52.483384][ T4735] hardirqs last disabled at (82226): [] el1_dbg+0x24/0x80 [ 52.484743][ T4735] softirqs last enabled at (82188): [] handle_softirqs+0xa4c/0xbf0 [ 52.486157][ T4735] softirqs last disabled at (82071): [] __irq_exit_rcu+0x240/0x440 [ 52.487572][ T4735] ---[ end trace b5c04df1b2e8d979 ]--- [ 52.489318][ T4735] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.490835][ T4735] BTRFS info (device loop0): forced readonly [ 52.637863][ T4758] loop0: detected capacity change from 0 to 32768 [ 52.679188][ T4758] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4758) [ 52.684976][ T4758] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.686378][ T4758] BTRFS info (device loop0): use zlib compression, level 3 [ 52.687556][ T4758] BTRFS info (device loop0): disabling tree log [ 52.688546][ T4758] BTRFS info (device loop0): turning on sync discard [ 52.689676][ T4758] BTRFS info (device loop0): enabling ssd optimizations [ 52.690714][ T4758] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.691852][ T4758] BTRFS info (device loop0): using free space tree [ 52.692835][ T4758] BTRFS info (device loop0): has skinny extents [ 52.705975][ T4758] FAULT_INJECTION: forcing a failure. [ 52.705975][ T4758] name failslab, interval 1, probability 0, space 0, times 0 [ 52.708211][ T4758] CPU: 1 PID: 4758 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.709594][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.711113][ T4758] Call trace: [ 52.711621][ T4758] dump_backtrace+0x0/0x43c [ 52.712285][ T4758] show_stack+0x2c/0x3c [ 52.712899][ T4758] __dump_stack+0x30/0x40 [ 52.713541][ T4758] dump_stack_lvl+0xf8/0x160 [ 52.714173][ T4758] dump_stack+0x1c/0x5c [ 52.714772][ T4758] should_fail+0x3c0/0x51c [ 52.715538][ T4758] __should_failslab+0xbc/0x10c [ 52.716258][ T4758] should_failslab+0x10/0x28 [ 52.716962][ T4758] slab_pre_alloc_hook+0x64/0xec [ 52.717663][ T4758] kmem_cache_alloc+0x94/0x3e4 [ 52.718370][ T4758] btrfs_alloc_path+0x5c/0x68 [ 52.719080][ T4758] __btrfs_free_extent+0x19c/0x1aa4 [ 52.719904][ T4758] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 52.720803][ T4758] btrfs_run_delayed_refs+0x124/0x46c [ 52.721586][ T4758] btrfs_commit_transaction+0x1b8/0x3044 [ 52.722441][ T4758] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.723328][ T4758] btrfs_ioctl+0x5f0/0xb38 [ 52.724048][ T4758] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.724793][ T4758] invoke_syscall+0x98/0x2b8 [ 52.725469][ T4758] el0_svc_common+0x138/0x258 [ 52.726144][ T4758] do_el0_svc+0x58/0x14c [ 52.726762][ T4758] el0_svc+0x78/0x1e0 [ 52.727363][ T4758] el0t_64_sync_handler+0xcc/0xe4 [ 52.728110][ T4758] el0t_64_sync+0x1a0/0x1a4 [ 52.730214][ T4758] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 52.732161][ T4758] ------------[ cut here ]------------ [ 52.733156][ T4758] WARNING: CPU: 1 PID: 4758 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 52.734571][ T4758] Modules linked in: [ 52.735160][ T4758] CPU: 1 PID: 4758 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.736620][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.738344][ T4758] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.739640][ T4758] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.740573][ T4758] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 52.741506][ T4758] sp : ffff80001fcb77d0 [ 52.742181][ T4758] x29: ffff80001fcb77e0 x28: ffff0000c9074000 x27: dfff800000000000 [ 52.743472][ T4758] x26: ffff0000c9074024 x25: ffff0000d1ea0000 x24: 1fffe0001a419c63 [ 52.744812][ T4758] x23: 1fffe0001a419c63 x22: ffff0000d20ce318 x21: 00000000fffffff4 [ 52.746116][ T4758] x20: 0000000000000051 x19: ffff0000d20ce2c0 x18: 0000000000000001 [ 52.747419][ T4758] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 52.748726][ T4758] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.750010][ T4758] x11: 0000000000000000 x10: 0000000000000000 x9 : fac2b96747d1ee00 [ 52.751312][ T4758] x8 : fac2b96747d1ee00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.752580][ T4758] x5 : ffff80001fcb70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 52.753836][ T4758] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.755079][ T4758] Call trace: [ 52.755575][ T4758] btrfs_run_delayed_refs+0x3f4/0x46c [ 52.756363][ T4758] btrfs_commit_transaction+0x1b8/0x3044 [ 52.757272][ T4758] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 52.758153][ T4758] btrfs_ioctl+0x5f0/0xb38 [ 52.758869][ T4758] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.759631][ T4758] invoke_syscall+0x98/0x2b8 [ 52.760335][ T4758] el0_svc_common+0x138/0x258 [ 52.761123][ T4758] do_el0_svc+0x58/0x14c [ 52.761795][ T4758] el0_svc+0x78/0x1e0 [ 52.762423][ T4758] el0t_64_sync_handler+0xcc/0xe4 [ 52.763200][ T4758] el0t_64_sync+0x1a0/0x1a4 [ 52.763914][ T4758] irq event stamp: 80158 [ 52.764510][ T4758] hardirqs last enabled at (80157): [] __up_console_sem+0xb4/0x100 [ 52.766042][ T4758] hardirqs last disabled at (80158): [] el1_dbg+0x24/0x80 [ 52.767354][ T4758] softirqs last enabled at (80124): [] handle_softirqs+0xa4c/0xbf0 [ 52.768802][ T4758] softirqs last disabled at (80113): [] __irq_exit_rcu+0x240/0x440 [ 52.770233][ T4758] ---[ end trace b5c04df1b2e8d97a ]--- [ 52.773378][ T4758] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 52.774967][ T4758] BTRFS info (device loop0): forced readonly [ 52.961492][ T4780] loop0: detected capacity change from 0 to 32768 [ 53.008329][ T4780] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4780) [ 53.013905][ T4780] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.015679][ T4780] BTRFS info (device loop0): use zlib compression, level 3 [ 53.017620][ T4780] BTRFS info (device loop0): disabling tree log [ 53.018610][ T4780] BTRFS info (device loop0): turning on sync discard [ 53.019574][ T4780] BTRFS info (device loop0): enabling ssd optimizations [ 53.020679][ T4780] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.021801][ T4780] BTRFS info (device loop0): using free space tree [ 53.022711][ T4780] BTRFS info (device loop0): has skinny extents [ 53.044499][ T4780] FAULT_INJECTION: forcing a failure. [ 53.044499][ T4780] name failslab, interval 1, probability 0, space 0, times 0 [ 53.047223][ T4780] CPU: 0 PID: 4780 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.048634][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.050193][ T4780] Call trace: [ 53.050685][ T4780] dump_backtrace+0x0/0x43c [ 53.051390][ T4780] show_stack+0x2c/0x3c [ 53.052042][ T4780] __dump_stack+0x30/0x40 [ 53.052778][ T4780] dump_stack_lvl+0xf8/0x160 [ 53.053487][ T4780] dump_stack+0x1c/0x5c [ 53.054070][ T4780] should_fail+0x3c0/0x51c [ 53.054705][ T4780] __should_failslab+0xbc/0x10c [ 53.055398][ T4780] should_failslab+0x10/0x28 [ 53.056102][ T4780] slab_pre_alloc_hook+0x64/0xec [ 53.056880][ T4780] kmem_cache_alloc+0x94/0x3e4 [ 53.057661][ T4780] btrfs_alloc_path+0x5c/0x68 [ 53.058402][ T4780] __btrfs_run_delayed_refs+0xd70/0x3354 [ 53.059252][ T4780] btrfs_run_delayed_refs+0x124/0x46c [ 53.060145][ T4780] btrfs_commit_transaction+0x1b8/0x3044 [ 53.061001][ T4780] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.061834][ T4780] btrfs_ioctl+0x5f0/0xb38 [ 53.062512][ T4780] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.063307][ T4780] invoke_syscall+0x98/0x2b8 [ 53.064043][ T4780] el0_svc_common+0x138/0x258 [ 53.064851][ T4780] do_el0_svc+0x58/0x14c [ 53.065570][ T4780] el0_svc+0x78/0x1e0 [ 53.066249][ T4780] el0t_64_sync_handler+0xcc/0xe4 [ 53.067117][ T4780] el0t_64_sync+0x1a0/0x1a4 [ 53.068424][ T4780] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 53.070654][ T4780] ------------[ cut here ]------------ [ 53.071624][ T4780] WARNING: CPU: 0 PID: 4780 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 53.073146][ T4780] Modules linked in: [ 53.073718][ T4780] CPU: 0 PID: 4780 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.075102][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.076648][ T4780] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.077778][ T4780] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.078619][ T4780] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.079555][ T4780] sp : ffff80001fcb77d0 [ 53.080220][ T4780] x29: ffff80001fcb77e0 x28: ffff0000c9070000 x27: dfff800000000000 [ 53.081530][ T4780] x26: ffff0000c9070024 x25: ffff0000cd11c000 x24: 1fffe0001bd386e7 [ 53.082777][ T4780] x23: 1fffe0001bd386e7 x22: ffff0000de9c3738 x21: 00000000fffffff4 [ 53.084005][ T4780] x20: 0000000000000051 x19: ffff0000de9c36e0 x18: 0000000000000001 [ 53.085207][ T4780] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 53.086441][ T4780] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.087659][ T4780] x11: 0000000000000000 x10: 0000000000000000 x9 : f2d627a3edcda700 [ 53.088977][ T4780] x8 : f2d627a3edcda700 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.090281][ T4780] x5 : ffff80001fcb70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 53.091486][ T4780] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.092694][ T4780] Call trace: [ 53.093214][ T4780] btrfs_run_delayed_refs+0x3f4/0x46c [ 53.094051][ T4780] btrfs_commit_transaction+0x1b8/0x3044 [ 53.094912][ T4780] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.095707][ T4780] btrfs_ioctl+0x5f0/0xb38 [ 53.096388][ T4780] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.097127][ T4780] invoke_syscall+0x98/0x2b8 [ 53.097911][ T4780] el0_svc_common+0x138/0x258 [ 53.098624][ T4780] do_el0_svc+0x58/0x14c [ 53.099260][ T4780] el0_svc+0x78/0x1e0 [ 53.099814][ T4780] el0t_64_sync_handler+0xcc/0xe4 [ 53.100486][ T4780] el0t_64_sync+0x1a0/0x1a4 [ 53.101114][ T4780] irq event stamp: 81402 [ 53.101755][ T4780] hardirqs last enabled at (81401): [] __up_console_sem+0xb4/0x100 [ 53.103198][ T4780] hardirqs last disabled at (81402): [] el1_dbg+0x24/0x80 [ 53.104612][ T4780] softirqs last enabled at (81360): [] handle_softirqs+0xa4c/0xbf0 [ 53.106105][ T4780] softirqs last disabled at (81269): [] __irq_exit_rcu+0x240/0x440 [ 53.107643][ T4780] ---[ end trace b5c04df1b2e8d97b ]--- [ 53.108674][ T4780] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 53.110188][ T4780] BTRFS info (device loop0): forced readonly [ 53.206786][ T4756] Bluetooth: hci0: command 0x041b tx timeout [ 53.250788][ T4802] loop0: detected capacity change from 0 to 32768 [ 53.351252][ T4802] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4802) [ 53.354466][ T4802] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.356017][ T4802] BTRFS info (device loop0): use zlib compression, level 3 [ 53.357521][ T4802] BTRFS info (device loop0): disabling tree log [ 53.358463][ T4802] BTRFS info (device loop0): turning on sync discard [ 53.359602][ T4802] BTRFS info (device loop0): enabling ssd optimizations [ 53.360739][ T4802] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.361933][ T4802] BTRFS info (device loop0): using free space tree [ 53.362895][ T4802] BTRFS info (device loop0): has skinny extents [ 53.378071][ T4802] FAULT_INJECTION: forcing a failure. [ 53.378071][ T4802] name failslab, interval 1, probability 0, space 0, times 0 [ 53.380214][ T4802] CPU: 1 PID: 4802 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.381628][ T4802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.383160][ T4802] Call trace: [ 53.383671][ T4802] dump_backtrace+0x0/0x43c [ 53.384388][ T4802] show_stack+0x2c/0x3c [ 53.385070][ T4802] __dump_stack+0x30/0x40 [ 53.385762][ T4802] dump_stack_lvl+0xf8/0x160 [ 53.386421][ T4802] dump_stack+0x1c/0x5c [ 53.387082][ T4802] should_fail+0x3c0/0x51c [ 53.387773][ T4802] __should_failslab+0xbc/0x10c [ 53.388564][ T4802] should_failslab+0x10/0x28 [ 53.389298][ T4802] slab_pre_alloc_hook+0x64/0xec [ 53.390129][ T4802] kmem_cache_alloc+0x94/0x3e4 [ 53.390893][ T4802] btrfs_alloc_path+0x5c/0x68 [ 53.391661][ T4802] __btrfs_free_extent+0x19c/0x1aa4 [ 53.392483][ T4802] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 53.393409][ T4802] btrfs_run_delayed_refs+0x124/0x46c [ 53.394293][ T4802] btrfs_commit_transaction+0x1b8/0x3044 [ 53.395167][ T4802] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.396024][ T4802] btrfs_ioctl+0x5f0/0xb38 [ 53.396752][ T4802] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.397575][ T4802] invoke_syscall+0x98/0x2b8 [ 53.398330][ T4802] el0_svc_common+0x138/0x258 [ 53.399097][ T4802] do_el0_svc+0x58/0x14c [ 53.399855][ T4802] el0_svc+0x78/0x1e0 [ 53.400513][ T4802] el0t_64_sync_handler+0xcc/0xe4 [ 53.401280][ T4802] el0t_64_sync+0x1a0/0x1a4 [ 53.403695][ T4802] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 53.405618][ T4802] ------------[ cut here ]------------ [ 53.406513][ T4802] WARNING: CPU: 1 PID: 4802 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 53.408097][ T4802] Modules linked in: [ 53.408721][ T4802] CPU: 1 PID: 4802 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.410159][ T4802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.411663][ T4802] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.412794][ T4802] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.413719][ T4802] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.414608][ T4802] sp : ffff80001fd377d0 [ 53.415249][ T4802] x29: ffff80001fd377e0 x28: ffff0000d8896000 x27: dfff800000000000 [ 53.416502][ T4802] x26: ffff0000d8896024 x25: ffff0000cd11c000 x24: 1fffe0001a419c8f [ 53.417674][ T4802] x23: 1fffe0001a419c8f x22: ffff0000d20ce478 x21: 00000000fffffff4 [ 53.418759][ T4802] x20: 0000000000000051 x19: ffff0000d20ce420 x18: 0000000000000001 [ 53.420121][ T4802] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 53.421382][ T4802] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.422605][ T4802] x11: 0000000000000000 x10: 0000000000000000 x9 : c90091c454cc5900 [ 53.423964][ T4802] x8 : c90091c454cc5900 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.425283][ T4802] x5 : ffff80001fd370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 53.426575][ T4802] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.427754][ T4802] Call trace: [ 53.428257][ T4802] btrfs_run_delayed_refs+0x3f4/0x46c [ 53.429054][ T4802] btrfs_commit_transaction+0x1b8/0x3044 [ 53.429809][ T4802] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.430614][ T4802] btrfs_ioctl+0x5f0/0xb38 [ 53.431224][ T4802] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.431939][ T4802] invoke_syscall+0x98/0x2b8 [ 53.432607][ T4802] el0_svc_common+0x138/0x258 [ 53.433277][ T4802] do_el0_svc+0x58/0x14c [ 53.433921][ T4802] el0_svc+0x78/0x1e0 [ 53.434477][ T4802] el0t_64_sync_handler+0xcc/0xe4 [ 53.435287][ T4802] el0t_64_sync+0x1a0/0x1a4 [ 53.436036][ T4802] irq event stamp: 80848 [ 53.436675][ T4802] hardirqs last enabled at (80847): [] __up_console_sem+0xb4/0x100 [ 53.438209][ T4802] hardirqs last disabled at (80848): [] el1_dbg+0x24/0x80 [ 53.439646][ T4802] softirqs last enabled at (80810): [] handle_softirqs+0xa4c/0xbf0 [ 53.441119][ T4802] softirqs last disabled at (80713): [] __irq_exit_rcu+0x240/0x440 [ 53.442637][ T4802] ---[ end trace b5c04df1b2e8d97c ]--- [ 53.445666][ T4802] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 53.447289][ T4802] BTRFS info (device loop0): forced readonly [ 53.622644][ T4824] loop0: detected capacity change from 0 to 32768 [ 53.661283][ T4824] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4824) [ 53.665666][ T4824] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.667247][ T4824] BTRFS info (device loop0): use zlib compression, level 3 [ 53.668413][ T4824] BTRFS info (device loop0): disabling tree log [ 53.669288][ T4824] BTRFS info (device loop0): turning on sync discard [ 53.670402][ T4824] BTRFS info (device loop0): enabling ssd optimizations [ 53.671600][ T4824] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.672799][ T4824] BTRFS info (device loop0): using free space tree [ 53.673720][ T4824] BTRFS info (device loop0): has skinny extents [ 53.693156][ T4824] FAULT_INJECTION: forcing a failure. [ 53.693156][ T4824] name failslab, interval 1, probability 0, space 0, times 0 [ 53.695210][ T4824] CPU: 1 PID: 4824 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.696644][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.698049][ T4824] Call trace: [ 53.698529][ T4824] dump_backtrace+0x0/0x43c [ 53.699241][ T4824] show_stack+0x2c/0x3c [ 53.699862][ T4824] __dump_stack+0x30/0x40 [ 53.700489][ T4824] dump_stack_lvl+0xf8/0x160 [ 53.701116][ T4824] dump_stack+0x1c/0x5c [ 53.701715][ T4824] should_fail+0x3c0/0x51c [ 53.702435][ T4824] __should_failslab+0xbc/0x10c [ 53.703203][ T4824] should_failslab+0x10/0x28 [ 53.703961][ T4824] slab_pre_alloc_hook+0x64/0xec [ 53.704723][ T4824] kmem_cache_alloc+0x94/0x3e4 [ 53.705470][ T4824] btrfs_alloc_path+0x5c/0x68 [ 53.706241][ T4824] __btrfs_free_extent+0x19c/0x1aa4 [ 53.707015][ T4824] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 53.707937][ T4824] btrfs_run_delayed_refs+0x124/0x46c [ 53.708780][ T4824] btrfs_commit_transaction+0x1b8/0x3044 [ 53.709670][ T4824] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.710502][ T4824] btrfs_ioctl+0x5f0/0xb38 [ 53.711220][ T4824] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.712015][ T4824] invoke_syscall+0x98/0x2b8 [ 53.712758][ T4824] el0_svc_common+0x138/0x258 [ 53.713543][ T4824] do_el0_svc+0x58/0x14c [ 53.714214][ T4824] el0_svc+0x78/0x1e0 [ 53.714814][ T4824] el0t_64_sync_handler+0xcc/0xe4 [ 53.715521][ T4824] el0t_64_sync+0x1a0/0x1a4 [ 53.717866][ T4824] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 53.719934][ T4824] ------------[ cut here ]------------ [ 53.720876][ T4824] WARNING: CPU: 1 PID: 4824 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 53.722389][ T4824] Modules linked in: [ 53.723005][ T4824] CPU: 1 PID: 4824 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.724515][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.726212][ T4824] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.727585][ T4824] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.728457][ T4824] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 53.729322][ T4824] sp : ffff8000201477d0 [ 53.729990][ T4824] x29: ffff8000201477e0 x28: ffff0000d02bb000 x27: dfff800000000000 [ 53.731322][ T4824] x26: ffff0000d02bb024 x25: ffff0000cf504000 x24: 1fffe0001a419cbb [ 53.732570][ T4824] x23: 1fffe0001a419cbb x22: ffff0000d20ce5d8 x21: 00000000fffffff4 [ 53.733828][ T4824] x20: 0000000000000051 x19: ffff0000d20ce580 x18: 0000000000000001 [ 53.735020][ T4824] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 53.736205][ T4824] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.737356][ T4824] x11: 0000000000000000 x10: 0000000000000000 x9 : 64012e1347dc0b00 [ 53.738682][ T4824] x8 : 64012e1347dc0b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.739964][ T4824] x5 : ffff8000201470b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 53.741273][ T4824] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.742557][ T4824] Call trace: [ 53.743082][ T4824] btrfs_run_delayed_refs+0x3f4/0x46c [ 53.743981][ T4824] btrfs_commit_transaction+0x1b8/0x3044 [ 53.744906][ T4824] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 53.745816][ T4824] btrfs_ioctl+0x5f0/0xb38 [ 53.746557][ T4824] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.747321][ T4824] invoke_syscall+0x98/0x2b8 [ 53.748044][ T4824] el0_svc_common+0x138/0x258 [ 53.748793][ T4824] do_el0_svc+0x58/0x14c [ 53.749415][ T4824] el0_svc+0x78/0x1e0 [ 53.750000][ T4824] el0t_64_sync_handler+0xcc/0xe4 [ 53.750829][ T4824] el0t_64_sync+0x1a0/0x1a4 [ 53.751529][ T4824] irq event stamp: 79454 [ 53.752158][ T4824] hardirqs last enabled at (79453): [] __up_console_sem+0xb4/0x100 [ 53.753710][ T4824] hardirqs last disabled at (79454): [] el1_dbg+0x24/0x80 [ 53.755055][ T4824] softirqs last enabled at (79416): [] handle_softirqs+0xa4c/0xbf0 [ 53.756587][ T4824] softirqs last disabled at (79403): [] __irq_exit_rcu+0x240/0x440 [ 53.758046][ T4824] ---[ end trace b5c04df1b2e8d97d ]--- [ 53.759362][ T4824] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 53.760948][ T4824] BTRFS info (device loop0): forced readonly [ 53.940810][ T4846] loop0: detected capacity change from 0 to 32768 [ 54.001869][ T4846] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4846) [ 54.009836][ T4846] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.011199][ T4846] BTRFS info (device loop0): use zlib compression, level 3 [ 54.012376][ T4846] BTRFS info (device loop0): disabling tree log [ 54.013282][ T4846] BTRFS info (device loop0): turning on sync discard [ 54.014222][ T4846] BTRFS info (device loop0): enabling ssd optimizations [ 54.015300][ T4846] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.017005][ T4846] BTRFS info (device loop0): using free space tree [ 54.017996][ T4846] BTRFS info (device loop0): has skinny extents [ 54.037850][ T4846] FAULT_INJECTION: forcing a failure. [ 54.037850][ T4846] name failslab, interval 1, probability 0, space 0, times 0 [ 54.039773][ T4846] CPU: 0 PID: 4846 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.041110][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.042485][ T4846] Call trace: [ 54.043007][ T4846] dump_backtrace+0x0/0x43c [ 54.043760][ T4846] show_stack+0x2c/0x3c [ 54.044475][ T4846] __dump_stack+0x30/0x40 [ 54.045182][ T4846] dump_stack_lvl+0xf8/0x160 [ 54.045922][ T4846] dump_stack+0x1c/0x5c [ 54.046593][ T4846] should_fail+0x3c0/0x51c [ 54.047331][ T4846] __should_failslab+0xbc/0x10c [ 54.048138][ T4846] should_failslab+0x10/0x28 [ 54.048847][ T4846] slab_pre_alloc_hook+0x64/0xec [ 54.049615][ T4846] kmem_cache_alloc+0x94/0x3e4 [ 54.050378][ T4846] btrfs_alloc_path+0x5c/0x68 [ 54.051127][ T4846] __btrfs_run_delayed_refs+0xd70/0x3354 [ 54.051957][ T4846] btrfs_run_delayed_refs+0x124/0x46c [ 54.052752][ T4846] btrfs_commit_transaction+0x1b8/0x3044 [ 54.053634][ T4846] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.054451][ T4846] btrfs_ioctl+0x5f0/0xb38 [ 54.055155][ T4846] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.055945][ T4846] invoke_syscall+0x98/0x2b8 [ 54.056665][ T4846] el0_svc_common+0x138/0x258 [ 54.057330][ T4846] do_el0_svc+0x58/0x14c [ 54.057939][ T4846] el0_svc+0x78/0x1e0 [ 54.058489][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 54.059191][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 54.061727][ T4846] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 54.063691][ T4846] ------------[ cut here ]------------ [ 54.064665][ T4846] WARNING: CPU: 0 PID: 4846 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 54.066020][ T4846] Modules linked in: [ 54.066576][ T4846] CPU: 0 PID: 4846 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.067997][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.069602][ T4846] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.070879][ T4846] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.071826][ T4846] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.072740][ T4846] sp : ffff8000201477d0 [ 54.073405][ T4846] x29: ffff8000201477e0 x28: ffff0000d6897000 x27: dfff800000000000 [ 54.074754][ T4846] x26: ffff0000d6897024 x25: ffff0000db5c8000 x24: 1fffe0001bd3860b [ 54.076041][ T4846] x23: 1fffe0001bd3860b x22: ffff0000de9c3058 x21: 00000000fffffff4 [ 54.077283][ T4846] x20: 0000000000000051 x19: ffff0000de9c3000 x18: 0000000000000001 [ 54.078597][ T4846] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 54.079850][ T4846] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.081065][ T4846] x11: 0000000000000000 x10: 0000000000000000 x9 : 71b07924ced95200 [ 54.082253][ T4846] x8 : 71b07924ced95200 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.083434][ T4846] x5 : ffff8000201470b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 54.084661][ T4846] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.085849][ T4846] Call trace: [ 54.086357][ T4846] btrfs_run_delayed_refs+0x3f4/0x46c [ 54.087236][ T4846] btrfs_commit_transaction+0x1b8/0x3044 [ 54.088160][ T4846] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.088914][ T4846] btrfs_ioctl+0x5f0/0xb38 [ 54.089533][ T4846] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.090249][ T4846] invoke_syscall+0x98/0x2b8 [ 54.091006][ T4846] el0_svc_common+0x138/0x258 [ 54.091752][ T4846] do_el0_svc+0x58/0x14c [ 54.092406][ T4846] el0_svc+0x78/0x1e0 [ 54.093024][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 54.093772][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 54.094456][ T4846] irq event stamp: 81364 [ 54.095106][ T4846] hardirqs last enabled at (81363): [] __up_console_sem+0xb4/0x100 [ 54.096425][ T4846] hardirqs last disabled at (81364): [] el1_dbg+0x24/0x80 [ 54.097816][ T4846] softirqs last enabled at (81326): [] handle_softirqs+0xa4c/0xbf0 [ 54.099374][ T4846] softirqs last disabled at (81243): [] __irq_exit_rcu+0x240/0x440 [ 54.100905][ T4846] ---[ end trace b5c04df1b2e8d97e ]--- [ 54.104014][ T4846] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 54.105491][ T4846] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:54 executed programs: 11 [ 54.246937][ T4868] loop0: detected capacity change from 0 to 32768 [ 54.254327][ T4868] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4868) [ 54.259205][ T4868] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.269796][ T4868] FAULT_INJECTION: forcing a failure. [ 54.269796][ T4868] name failslab, interval 1, probability 0, space 0, times 0 [ 54.271637][ T4868] CPU: 1 PID: 4868 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.273167][ T4868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.274718][ T4868] Call trace: [ 54.275243][ T4868] dump_backtrace+0x0/0x43c [ 54.275923][ T4868] show_stack+0x2c/0x3c [ 54.276583][ T4868] __dump_stack+0x30/0x40 [ 54.277231][ T4868] dump_stack_lvl+0xf8/0x160 [ 54.277892][ T4868] dump_stack+0x1c/0x5c [ 54.278550][ T4868] should_fail+0x3c0/0x51c [ 54.279172][ T4868] __should_failslab+0xbc/0x10c [ 54.279850][ T4868] should_failslab+0x10/0x28 [ 54.280554][ T4868] slab_pre_alloc_hook+0x64/0xec [ 54.281296][ T4868] kmem_cache_alloc+0x94/0x3e4 [ 54.281924][ T4868] btrfs_alloc_path+0x5c/0x68 [ 54.282646][ T4868] __btrfs_run_delayed_refs+0xd70/0x3354 [ 54.283418][ T4868] btrfs_run_delayed_refs+0x124/0x46c [ 54.284222][ T4868] btrfs_commit_transaction+0x1b8/0x3044 [ 54.285160][ T4868] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.285996][ T4868] btrfs_ioctl+0x5f0/0xb38 [ 54.286672][ T4868] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.287447][ T4868] invoke_syscall+0x98/0x2b8 [ 54.288235][ T4868] el0_svc_common+0x138/0x258 [ 54.288914][ T4868] do_el0_svc+0x58/0x14c [ 54.289583][ T4868] el0_svc+0x78/0x1e0 [ 54.290180][ T4868] el0t_64_sync_handler+0xcc/0xe4 [ 54.291020][ T4868] el0t_64_sync+0x1a0/0x1a4 [ 54.291868][ T4868] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 54.293804][ T4868] ------------[ cut here ]------------ [ 54.294681][ T4868] WARNING: CPU: 1 PID: 4868 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 54.296270][ T4868] Modules linked in: [ 54.296897][ T4868] CPU: 1 PID: 4868 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.298389][ T4868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.300104][ T4868] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.301402][ T4868] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.302340][ T4868] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.303322][ T4868] sp : ffff80001fcb77d0 [ 54.304001][ T4868] x29: ffff80001fcb77e0 x28: ffff0000d02b9000 x27: dfff800000000000 [ 54.305261][ T4868] x26: ffff0000d02b9024 x25: ffff0000cbb5c000 x24: 1fffe0001a419ce7 [ 54.306578][ T4868] x23: 1fffe0001a419ce7 x22: ffff0000d20ce738 x21: 00000000fffffff4 [ 54.307971][ T4868] x20: 0000000000000051 x19: ffff0000d20ce6e0 x18: 0000000000000001 [ 54.309344][ T4868] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 54.310630][ T4868] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.311926][ T4868] x11: 0000000000000000 x10: 0000000000000000 x9 : 420f8d22a3055300 [ 54.313133][ T4868] x8 : 420f8d22a3055300 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.314292][ T4868] x5 : ffff80001fcb70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 54.315603][ T4868] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.316944][ T4868] Call trace: [ 54.317473][ T4868] btrfs_run_delayed_refs+0x3f4/0x46c [ 54.318351][ T4868] btrfs_commit_transaction+0x1b8/0x3044 [ 54.319249][ T4868] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.320079][ T4868] btrfs_ioctl+0x5f0/0xb38 [ 54.320741][ T4868] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.321491][ T4868] invoke_syscall+0x98/0x2b8 [ 54.322239][ T4868] el0_svc_common+0x138/0x258 [ 54.323003][ T4868] do_el0_svc+0x58/0x14c [ 54.323631][ T4868] el0_svc+0x78/0x1e0 [ 54.324229][ T4868] el0t_64_sync_handler+0xcc/0xe4 [ 54.324979][ T4868] el0t_64_sync+0x1a0/0x1a4 [ 54.325602][ T4868] irq event stamp: 80446 [ 54.326186][ T4868] hardirqs last enabled at (80445): [] __up_console_sem+0xb4/0x100 [ 54.327499][ T4868] hardirqs last disabled at (80446): [] el1_dbg+0x24/0x80 [ 54.328794][ T4868] softirqs last enabled at (80412): [] handle_softirqs+0xa4c/0xbf0 [ 54.330195][ T4868] softirqs last disabled at (80333): [] __irq_exit_rcu+0x240/0x440 [ 54.331684][ T4868] ---[ end trace b5c04df1b2e8d97f ]--- [ 54.332711][ T4868] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 54.377567][ T4295] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by udevd (4295) [ 54.475550][ T4889] loop0: detected capacity change from 0 to 32768 [ 54.533125][ T4889] FAULT_INJECTION: forcing a failure. [ 54.533125][ T4889] name failslab, interval 1, probability 0, space 0, times 0 [ 54.535054][ T4889] CPU: 0 PID: 4889 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.536323][ T4889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.537806][ T4889] Call trace: [ 54.538331][ T4889] dump_backtrace+0x0/0x43c [ 54.539064][ T4889] show_stack+0x2c/0x3c [ 54.539733][ T4889] __dump_stack+0x30/0x40 [ 54.540399][ T4889] dump_stack_lvl+0xf8/0x160 [ 54.541078][ T4889] dump_stack+0x1c/0x5c [ 54.541678][ T4889] should_fail+0x3c0/0x51c [ 54.542310][ T4889] __should_failslab+0xbc/0x10c [ 54.543091][ T4889] should_failslab+0x10/0x28 [ 54.543848][ T4889] slab_pre_alloc_hook+0x64/0xec [ 54.544661][ T4889] kmem_cache_alloc+0x94/0x3e4 [ 54.545452][ T4889] btrfs_alloc_path+0x5c/0x68 [ 54.546171][ T4889] __btrfs_free_extent+0x19c/0x1aa4 [ 54.547057][ T4889] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 54.547887][ T4889] btrfs_run_delayed_refs+0x124/0x46c [ 54.548687][ T4889] btrfs_commit_transaction+0x1b8/0x3044 [ 54.549595][ T4889] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.550490][ T4889] btrfs_ioctl+0x5f0/0xb38 [ 54.551190][ T4889] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.551882][ T4889] invoke_syscall+0x98/0x2b8 [ 54.552585][ T4889] el0_svc_common+0x138/0x258 [ 54.553338][ T4889] do_el0_svc+0x58/0x14c [ 54.554056][ T4889] el0_svc+0x78/0x1e0 [ 54.554670][ T4889] el0t_64_sync_handler+0xcc/0xe4 [ 54.555437][ T4889] el0t_64_sync+0x1a0/0x1a4 [ 54.557692][ T4889] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 54.559748][ T4889] ------------[ cut here ]------------ [ 54.560761][ T4889] WARNING: CPU: 0 PID: 4889 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 54.562237][ T4889] Modules linked in: [ 54.562859][ T4889] CPU: 0 PID: 4889 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.564284][ T4889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.565845][ T4889] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.567108][ T4889] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.568091][ T4889] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 54.568994][ T4889] sp : ffff8000206d77d0 [ 54.569677][ T4889] x29: ffff8000206d77e0 x28: ffff0000d02b8000 x27: dfff800000000000 [ 54.570994][ T4889] x26: ffff0000d02b8024 x25: ffff0000cbb5c000 x24: 1fffe0001bd3864d [ 54.572256][ T4889] x23: 1fffe0001bd3864d x22: ffff0000de9c3268 x21: 00000000fffffff4 [ 54.573616][ T4889] x20: 0000000000000051 x19: ffff0000de9c3210 x18: 0000000000000001 [ 54.574914][ T4889] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 54.576250][ T4889] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.577579][ T4889] x11: 0000000000000000 x10: 0000000000000000 x9 : b63eba44ae389000 [ 54.578957][ T4889] x8 : b63eba44ae389000 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.580236][ T4889] x5 : ffff8000206d70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 54.581476][ T4889] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.582773][ T4889] Call trace: [ 54.583302][ T4889] btrfs_run_delayed_refs+0x3f4/0x46c [ 54.584093][ T4889] btrfs_commit_transaction+0x1b8/0x3044 [ 54.584959][ T4889] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 54.585760][ T4889] btrfs_ioctl+0x5f0/0xb38 [ 54.586459][ T4889] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.587143][ T4889] invoke_syscall+0x98/0x2b8 [ 54.587799][ T4889] el0_svc_common+0x138/0x258 [ 54.588596][ T4889] do_el0_svc+0x58/0x14c [ 54.589313][ T4889] el0_svc+0x78/0x1e0 [ 54.589955][ T4889] el0t_64_sync_handler+0xcc/0xe4 [ 54.590737][ T4889] el0t_64_sync+0x1a0/0x1a4 [ 54.591422][ T4889] irq event stamp: 80646 [ 54.592133][ T4889] hardirqs last enabled at (80645): [] __up_console_sem+0xb4/0x100 [ 54.593558][ T4889] hardirqs last disabled at (80646): [] el1_dbg+0x24/0x80 [ 54.594925][ T4889] softirqs last enabled at (80612): [] handle_softirqs+0xa4c/0xbf0 [ 54.596252][ T4889] softirqs last disabled at (80585): [] __irq_exit_rcu+0x240/0x440 [ 54.597753][ T4889] ---[ end trace b5c04df1b2e8d980 ]--- [ 54.600983][ T4889] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 54.733185][ T4912] loop0: detected capacity change from 0 to 32768 [ 54.769414][ T4912] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4912) [ 54.783247][ T4912] FAULT_INJECTION: forcing a failure. [ 54.783247][ T4912] name failslab, interval 1, probability 0, space 0, times 0 [ 54.785275][ T4912] CPU: 0 PID: 4912 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.786740][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.788347][ T4912] Call trace: [ 54.788880][ T4912] dump_backtrace+0x0/0x43c [ 54.789610][ T4912] show_stack+0x2c/0x3c [ 54.790243][ T4912] __dump_stack+0x30/0x40 [ 54.790912][ T4912] dump_stack_lvl+0xf8/0x160 [ 54.791625][ T4912] dump_stack+0x1c/0x5c [ 54.792274][ T4912] should_fail+0x3c0/0x51c [ 54.792964][ T4912] __should_failslab+0xbc/0x10c [ 54.793740][ T4912] should_failslab+0x10/0x28 [ 54.794496][ T4912] slab_pre_alloc_hook+0x64/0xec [ 54.795315][ T4912] kmem_cache_alloc+0x94/0x3e4 [ 54.796096][ T4912] start_transaction+0x4d0/0x13f0 [ 54.796883][ T4912] btrfs_start_transaction+0x34/0x44 [ 54.797751][ T4912] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 54.798601][ T4912] btrfs_ioctl+0x5f0/0xb38 [ 54.799289][ T4912] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.800009][ T4912] invoke_syscall+0x98/0x2b8 [ 54.800770][ T4912] el0_svc_common+0x138/0x258 [ 54.801483][ T4912] do_el0_svc+0x58/0x14c [ 54.802167][ T4912] el0_svc+0x78/0x1e0 [ 54.802790][ T4912] el0t_64_sync_handler+0xcc/0xe4 [ 54.803538][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 54.870596][ T4295] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 10 /dev/loop0 scanned by udevd (4295) [ 54.956053][ T4933] loop0: detected capacity change from 0 to 32768 [ 55.049305][ T4933] FAULT_INJECTION: forcing a failure. [ 55.049305][ T4933] name failslab, interval 1, probability 0, space 0, times 0 [ 55.051070][ T4933] CPU: 1 PID: 4933 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.052406][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.054007][ T4933] Call trace: [ 55.054544][ T4933] dump_backtrace+0x0/0x43c [ 55.055246][ T4933] show_stack+0x2c/0x3c [ 55.055911][ T4933] __dump_stack+0x30/0x40 [ 55.056612][ T4933] dump_stack_lvl+0xf8/0x160 [ 55.057353][ T4933] dump_stack+0x1c/0x5c [ 55.058033][ T4933] should_fail+0x3c0/0x51c [ 55.058707][ T4933] __should_failslab+0xbc/0x10c [ 55.059482][ T4933] should_failslab+0x10/0x28 [ 55.060229][ T4933] slab_pre_alloc_hook+0x64/0xec [ 55.061052][ T4933] kmem_cache_alloc+0x94/0x3e4 [ 55.061828][ T4933] start_transaction+0x4d0/0x13f0 [ 55.062678][ T4933] btrfs_start_transaction+0x34/0x44 [ 55.063542][ T4933] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 55.064388][ T4933] btrfs_ioctl+0x5f0/0xb38 [ 55.065092][ T4933] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.065952][ T4933] invoke_syscall+0x98/0x2b8 [ 55.066734][ T4933] el0_svc_common+0x138/0x258 [ 55.067462][ T4933] do_el0_svc+0x58/0x14c [ 55.068129][ T4933] el0_svc+0x78/0x1e0 [ 55.068818][ T4933] el0t_64_sync_handler+0xcc/0xe4 [ 55.069657][ T4933] el0t_64_sync+0x1a0/0x1a4 [ 55.229756][ T4955] loop0: detected capacity change from 0 to 32768 [ 55.272771][ T4955] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4955) [ 55.286692][ T4467] Bluetooth: hci0: command 0x040f tx timeout [ 55.297045][ T4955] FAULT_INJECTION: forcing a failure. [ 55.297045][ T4955] name failslab, interval 1, probability 0, space 0, times 0 [ 55.299650][ T4955] CPU: 1 PID: 4955 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.301101][ T4955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.302731][ T4955] Call trace: [ 55.303282][ T4955] dump_backtrace+0x0/0x43c [ 55.303980][ T4955] show_stack+0x2c/0x3c [ 55.304714][ T4955] __dump_stack+0x30/0x40 [ 55.305411][ T4955] dump_stack_lvl+0xf8/0x160 [ 55.306111][ T4955] dump_stack+0x1c/0x5c [ 55.306691][ T4955] should_fail+0x3c0/0x51c [ 55.307401][ T4955] __should_failslab+0xbc/0x10c [ 55.308198][ T4955] should_failslab+0x10/0x28 [ 55.308914][ T4955] slab_pre_alloc_hook+0x64/0xec [ 55.309729][ T4955] kmem_cache_alloc+0x94/0x3e4 [ 55.310459][ T4955] btrfs_alloc_path+0x5c/0x68 [ 55.311167][ T4955] __btrfs_free_extent+0x19c/0x1aa4 [ 55.312021][ T4955] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 55.312911][ T4955] btrfs_run_delayed_refs+0x124/0x46c [ 55.313750][ T4955] btrfs_commit_transaction+0x1b8/0x3044 [ 55.314628][ T4955] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.315580][ T4955] btrfs_ioctl+0x5f0/0xb38 [ 55.316317][ T4955] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.317169][ T4955] invoke_syscall+0x98/0x2b8 [ 55.317968][ T4955] el0_svc_common+0x138/0x258 [ 55.318735][ T4955] do_el0_svc+0x58/0x14c [ 55.319398][ T4955] el0_svc+0x78/0x1e0 [ 55.319931][ T4955] el0t_64_sync_handler+0xcc/0xe4 [ 55.320649][ T4955] el0t_64_sync+0x1a0/0x1a4 [ 55.323464][ T4955] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 55.325592][ T4955] ------------[ cut here ]------------ [ 55.326507][ T4955] WARNING: CPU: 1 PID: 4955 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.328048][ T4955] Modules linked in: [ 55.328596][ T4955] CPU: 1 PID: 4955 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.330040][ T4955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.331598][ T4955] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.332880][ T4955] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.333743][ T4955] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.334724][ T4955] sp : ffff8000207e77d0 [ 55.335376][ T4955] x29: ffff8000207e77e0 x28: ffff0000c8d70000 x27: dfff800000000000 [ 55.336677][ T4955] x26: ffff0000c8d70024 x25: ffff0000cdad0000 x24: 1fffe0001a419d13 [ 55.337947][ T4955] x23: 1fffe0001a419d13 x22: ffff0000d20ce898 x21: 00000000fffffff4 [ 55.339277][ T4955] x20: 0000000000000051 x19: ffff0000d20ce840 x18: 0000000000000001 [ 55.340568][ T4955] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 55.341948][ T4955] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.343222][ T4955] x11: 0000000000000000 x10: 0000000000000000 x9 : 2f1835b3b1680600 [ 55.344495][ T4955] x8 : 2f1835b3b1680600 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.345779][ T4955] x5 : ffff8000207e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 55.347222][ T4955] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.348435][ T4955] Call trace: [ 55.348933][ T4955] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.349795][ T4955] btrfs_commit_transaction+0x1b8/0x3044 [ 55.350675][ T4955] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.351540][ T4955] btrfs_ioctl+0x5f0/0xb38 [ 55.352254][ T4955] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.353066][ T4955] invoke_syscall+0x98/0x2b8 [ 55.353766][ T4955] el0_svc_common+0x138/0x258 [ 55.354462][ T4955] do_el0_svc+0x58/0x14c [ 55.355084][ T4955] el0_svc+0x78/0x1e0 [ 55.355640][ T4955] el0t_64_sync_handler+0xcc/0xe4 [ 55.356339][ T4955] el0t_64_sync+0x1a0/0x1a4 [ 55.357040][ T4955] irq event stamp: 81552 [ 55.357674][ T4955] hardirqs last enabled at (81551): [] __up_console_sem+0xb4/0x100 [ 55.359151][ T4955] hardirqs last disabled at (81552): [] el1_dbg+0x24/0x80 [ 55.360547][ T4955] softirqs last enabled at (81514): [] handle_softirqs+0xa4c/0xbf0 [ 55.362048][ T4955] softirqs last disabled at (81409): [] __irq_exit_rcu+0x240/0x440 [ 55.363603][ T4955] ---[ end trace b5c04df1b2e8d981 ]--- [ 55.367028][ T4955] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 55.541025][ T4977] loop0: detected capacity change from 0 to 32768 [ 55.579069][ T4977] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4977) [ 55.582655][ T4977] btrfs_printk: 42 callbacks suppressed [ 55.582662][ T4977] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.584922][ T4977] BTRFS info (device loop0): use zlib compression, level 3 [ 55.586093][ T4977] BTRFS info (device loop0): disabling tree log [ 55.587304][ T4977] BTRFS info (device loop0): turning on sync discard [ 55.588332][ T4977] BTRFS info (device loop0): enabling ssd optimizations [ 55.589331][ T4977] BTRFS info (device loop0): using spread ssd allocation scheme [ 55.590409][ T4977] BTRFS info (device loop0): using free space tree [ 55.591299][ T4977] BTRFS info (device loop0): has skinny extents [ 55.602215][ T4977] FAULT_INJECTION: forcing a failure. [ 55.602215][ T4977] name failslab, interval 1, probability 0, space 0, times 0 [ 55.604061][ T4977] CPU: 0 PID: 4977 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.605444][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.607077][ T4977] Call trace: [ 55.607625][ T4977] dump_backtrace+0x0/0x43c [ 55.608384][ T4977] show_stack+0x2c/0x3c [ 55.609015][ T4977] __dump_stack+0x30/0x40 [ 55.609655][ T4977] dump_stack_lvl+0xf8/0x160 [ 55.610318][ T4977] dump_stack+0x1c/0x5c [ 55.610931][ T4977] should_fail+0x3c0/0x51c [ 55.611605][ T4977] __should_failslab+0xbc/0x10c [ 55.612338][ T4977] should_failslab+0x10/0x28 [ 55.613084][ T4977] slab_pre_alloc_hook+0x64/0xec [ 55.613823][ T4977] kmem_cache_alloc+0x94/0x3e4 [ 55.614528][ T4977] btrfs_alloc_path+0x5c/0x68 [ 55.615309][ T4977] __btrfs_free_extent+0x19c/0x1aa4 [ 55.616127][ T4977] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 55.616926][ T4977] btrfs_run_delayed_refs+0x124/0x46c [ 55.617768][ T4977] btrfs_commit_transaction+0x1b8/0x3044 [ 55.618672][ T4977] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.619482][ T4977] btrfs_ioctl+0x5f0/0xb38 [ 55.620160][ T4977] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.620941][ T4977] invoke_syscall+0x98/0x2b8 [ 55.621697][ T4977] el0_svc_common+0x138/0x258 [ 55.622431][ T4977] do_el0_svc+0x58/0x14c [ 55.623103][ T4977] el0_svc+0x78/0x1e0 [ 55.623723][ T4977] el0t_64_sync_handler+0xcc/0xe4 [ 55.624461][ T4977] el0t_64_sync+0x1a0/0x1a4 [ 55.626597][ T4977] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 55.628699][ T4977] ------------[ cut here ]------------ [ 55.629673][ T4977] WARNING: CPU: 0 PID: 4977 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.631152][ T4977] Modules linked in: [ 55.631725][ T4977] CPU: 0 PID: 4977 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.633042][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.634485][ T4977] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.635608][ T4977] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.636398][ T4977] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.637228][ T4977] sp : ffff8000207e77d0 [ 55.637866][ T4977] x29: ffff8000207e77e0 x28: ffff0000c8d72000 x27: dfff800000000000 [ 55.639078][ T4977] x26: ffff0000c8d72024 x25: ffff0000db288000 x24: 1fffe0001bd38755 [ 55.640213][ T4977] x23: 1fffe0001bd38755 x22: ffff0000de9c3aa8 x21: 00000000fffffff4 [ 55.641388][ T4977] x20: 0000000000000051 x19: ffff0000de9c3a50 x18: 0000000000000001 [ 55.642597][ T4977] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 55.643819][ T4977] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.645024][ T4977] x11: 0000000000000000 x10: 0000000000000000 x9 : 4e8ba466ea914900 [ 55.646153][ T4977] x8 : 4e8ba466ea914900 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.647308][ T4977] x5 : ffff8000207e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 55.648589][ T4977] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.649879][ T4977] Call trace: [ 55.650415][ T4977] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.651284][ T4977] btrfs_commit_transaction+0x1b8/0x3044 [ 55.652133][ T4977] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.652981][ T4977] btrfs_ioctl+0x5f0/0xb38 [ 55.653684][ T4977] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.654430][ T4977] invoke_syscall+0x98/0x2b8 [ 55.655141][ T4977] el0_svc_common+0x138/0x258 [ 55.655852][ T4977] do_el0_svc+0x58/0x14c [ 55.656497][ T4977] el0_svc+0x78/0x1e0 [ 55.657068][ T4977] el0t_64_sync_handler+0xcc/0xe4 [ 55.657764][ T4977] el0t_64_sync+0x1a0/0x1a4 [ 55.658415][ T4977] irq event stamp: 80456 [ 55.659076][ T4977] hardirqs last enabled at (80455): [] __up_console_sem+0xb4/0x100 [ 55.660409][ T4977] hardirqs last disabled at (80456): [] el1_dbg+0x24/0x80 [ 55.661670][ T4977] softirqs last enabled at (80422): [] handle_softirqs+0xa4c/0xbf0 [ 55.663015][ T4977] softirqs last disabled at (80263): [] __irq_exit_rcu+0x240/0x440 [ 55.664359][ T4977] ---[ end trace b5c04df1b2e8d982 ]--- [ 55.666266][ T4977] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 55.667861][ T4977] BTRFS info (device loop0): forced readonly [ 55.804891][ T4999] loop0: detected capacity change from 0 to 32768 [ 55.812103][ T4999] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4999) [ 55.816390][ T4999] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.817812][ T4999] BTRFS info (device loop0): use zlib compression, level 3 [ 55.818910][ T4999] BTRFS info (device loop0): disabling tree log [ 55.819825][ T4999] BTRFS info (device loop0): turning on sync discard [ 55.820796][ T4999] BTRFS info (device loop0): enabling ssd optimizations [ 55.821810][ T4999] BTRFS info (device loop0): using spread ssd allocation scheme [ 55.822887][ T4999] BTRFS info (device loop0): using free space tree [ 55.823835][ T4999] BTRFS info (device loop0): has skinny extents [ 55.834007][ T4999] FAULT_INJECTION: forcing a failure. [ 55.834007][ T4999] name failslab, interval 1, probability 0, space 0, times 0 [ 55.835901][ T4999] CPU: 1 PID: 4999 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.837338][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.838829][ T4999] Call trace: [ 55.839319][ T4999] dump_backtrace+0x0/0x43c [ 55.840050][ T4999] show_stack+0x2c/0x3c [ 55.840686][ T4999] __dump_stack+0x30/0x40 [ 55.841349][ T4999] dump_stack_lvl+0xf8/0x160 [ 55.842128][ T4999] dump_stack+0x1c/0x5c [ 55.842845][ T4999] should_fail+0x3c0/0x51c [ 55.843585][ T4999] __should_failslab+0xbc/0x10c [ 55.844315][ T4999] should_failslab+0x10/0x28 [ 55.845067][ T4999] slab_pre_alloc_hook+0x64/0xec [ 55.845852][ T4999] kmem_cache_alloc+0x94/0x3e4 [ 55.846613][ T4999] btrfs_alloc_path+0x5c/0x68 [ 55.847384][ T4999] __btrfs_free_extent+0x19c/0x1aa4 [ 55.848203][ T4999] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 55.849089][ T4999] btrfs_run_delayed_refs+0x124/0x46c [ 55.849996][ T4999] btrfs_commit_transaction+0x1b8/0x3044 [ 55.850979][ T4999] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.851844][ T4999] btrfs_ioctl+0x5f0/0xb38 [ 55.852470][ T4999] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.853208][ T4999] invoke_syscall+0x98/0x2b8 [ 55.853950][ T4999] el0_svc_common+0x138/0x258 [ 55.854675][ T4999] do_el0_svc+0x58/0x14c [ 55.855286][ T4999] el0_svc+0x78/0x1e0 [ 55.855846][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 55.856537][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 55.858192][ T4999] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 55.860218][ T4999] ------------[ cut here ]------------ [ 55.861165][ T4999] WARNING: CPU: 1 PID: 4999 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 55.862762][ T4999] Modules linked in: [ 55.863337][ T4999] CPU: 1 PID: 4999 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.864730][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.866409][ T4999] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.867611][ T4999] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.868507][ T4999] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 55.869435][ T4999] sp : ffff8000209577d0 [ 55.870124][ T4999] x29: ffff8000209577e0 x28: ffff0000c8d74000 x27: dfff800000000000 [ 55.871344][ T4999] x26: ffff0000c8d74024 x25: ffff0000cf530000 x24: 1fffe0001a419d55 [ 55.872624][ T4999] x23: 1fffe0001a419d55 x22: ffff0000d20ceaa8 x21: 00000000fffffff4 [ 55.873949][ T4999] x20: 0000000000000051 x19: ffff0000d20cea50 x18: 0000000000000001 [ 55.875207][ T4999] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 55.876554][ T4999] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.877858][ T4999] x11: 0000000000000000 x10: 0000000000000000 x9 : a3a4e5403ad39800 [ 55.879243][ T4999] x8 : a3a4e5403ad39800 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.880506][ T4999] x5 : ffff8000209570b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 55.881771][ T4999] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.882968][ T4999] Call trace: [ 55.883458][ T4999] btrfs_run_delayed_refs+0x3f4/0x46c [ 55.884275][ T4999] btrfs_commit_transaction+0x1b8/0x3044 [ 55.885171][ T4999] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 55.886007][ T4999] btrfs_ioctl+0x5f0/0xb38 [ 55.886736][ T4999] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.887504][ T4999] invoke_syscall+0x98/0x2b8 [ 55.888258][ T4999] el0_svc_common+0x138/0x258 [ 55.889014][ T4999] do_el0_svc+0x58/0x14c [ 55.889705][ T4999] el0_svc+0x78/0x1e0 [ 55.890300][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 55.890985][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 55.891640][ T4999] irq event stamp: 81068 [ 55.892237][ T4999] hardirqs last enabled at (81067): [] __up_console_sem+0xb4/0x100 [ 55.893634][ T4999] hardirqs last disabled at (81068): [] el1_dbg+0x24/0x80 [ 55.894847][ T4999] softirqs last enabled at (81034): [] handle_softirqs+0xa4c/0xbf0 [ 55.896143][ T4999] softirqs last disabled at (80873): [] __irq_exit_rcu+0x240/0x440 [ 55.897556][ T4999] ---[ end trace b5c04df1b2e8d983 ]--- [ 55.898386][ T4999] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 55.899761][ T4999] BTRFS info (device loop0): forced readonly [ 56.043279][ T5021] loop0: detected capacity change from 0 to 32768 [ 56.048051][ T5021] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5021) [ 56.051432][ T5021] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.052742][ T5021] BTRFS info (device loop0): use zlib compression, level 3 [ 56.053876][ T5021] BTRFS info (device loop0): disabling tree log [ 56.054827][ T5021] BTRFS info (device loop0): turning on sync discard [ 56.055910][ T5021] BTRFS info (device loop0): enabling ssd optimizations [ 56.057101][ T5021] BTRFS info (device loop0): using spread ssd allocation scheme [ 56.058292][ T5021] BTRFS info (device loop0): using free space tree [ 56.059315][ T5021] BTRFS info (device loop0): has skinny extents [ 56.074254][ T5021] FAULT_INJECTION: forcing a failure. [ 56.074254][ T5021] name failslab, interval 1, probability 0, space 0, times 0 [ 56.076289][ T5021] CPU: 1 PID: 5021 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.077767][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.079405][ T5021] Call trace: [ 56.079929][ T5021] dump_backtrace+0x0/0x43c [ 56.080634][ T5021] show_stack+0x2c/0x3c [ 56.081293][ T5021] __dump_stack+0x30/0x40 [ 56.081991][ T5021] dump_stack_lvl+0xf8/0x160 [ 56.082721][ T5021] dump_stack+0x1c/0x5c [ 56.083414][ T5021] should_fail+0x3c0/0x51c [ 56.084079][ T5021] __should_failslab+0xbc/0x10c [ 56.084913][ T5021] should_failslab+0x10/0x28 [ 56.085616][ T5021] slab_pre_alloc_hook+0x64/0xec [ 56.086377][ T5021] kmem_cache_alloc+0x94/0x3e4 [ 56.087074][ T5021] btrfs_alloc_path+0x5c/0x68 [ 56.087778][ T5021] __btrfs_run_delayed_refs+0xd70/0x3354 [ 56.088673][ T5021] btrfs_run_delayed_refs+0x124/0x46c [ 56.089500][ T5021] btrfs_commit_transaction+0x1b8/0x3044 [ 56.090367][ T5021] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.091248][ T5021] btrfs_ioctl+0x5f0/0xb38 [ 56.091939][ T5021] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.092740][ T5021] invoke_syscall+0x98/0x2b8 [ 56.093429][ T5021] el0_svc_common+0x138/0x258 [ 56.094074][ T5021] do_el0_svc+0x58/0x14c [ 56.094726][ T5021] el0_svc+0x78/0x1e0 [ 56.095335][ T5021] el0t_64_sync_handler+0xcc/0xe4 [ 56.096127][ T5021] el0t_64_sync+0x1a0/0x1a4 [ 56.097813][ T5021] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 56.099750][ T5021] ------------[ cut here ]------------ [ 56.100648][ T5021] WARNING: CPU: 1 PID: 5021 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 56.102261][ T5021] Modules linked in: [ 56.102841][ T5021] CPU: 1 PID: 5021 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.104226][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.105741][ T5021] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.107046][ T5021] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.107979][ T5021] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.108934][ T5021] sp : ffff800020bf77d0 [ 56.109630][ T5021] x29: ffff800020bf77e0 x28: ffff0000c8d76000 x27: dfff800000000000 [ 56.110969][ T5021] x26: ffff0000c8d76024 x25: ffff0000cfdd4000 x24: 1fffe0001a419d81 [ 56.112260][ T5021] x23: 1fffe0001a419d81 x22: ffff0000d20cec08 x21: 00000000fffffff4 [ 56.113616][ T5021] x20: 0000000000000051 x19: ffff0000d20cebb0 x18: 0000000000000001 [ 56.114857][ T5021] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 56.116047][ T5021] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.117240][ T5021] x11: 0000000000000000 x10: 0000000000000000 x9 : 689e3a8da7e0d300 [ 56.118369][ T5021] x8 : 689e3a8da7e0d300 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.119530][ T5021] x5 : ffff800020bf70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 56.120728][ T5021] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.121834][ T5021] Call trace: [ 56.122269][ T5021] btrfs_run_delayed_refs+0x3f4/0x46c [ 56.123097][ T5021] btrfs_commit_transaction+0x1b8/0x3044 [ 56.123883][ T5021] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.124658][ T5021] btrfs_ioctl+0x5f0/0xb38 [ 56.125307][ T5021] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.125992][ T5021] invoke_syscall+0x98/0x2b8 [ 56.126662][ T5021] el0_svc_common+0x138/0x258 [ 56.127337][ T5021] do_el0_svc+0x58/0x14c [ 56.128026][ T5021] el0_svc+0x78/0x1e0 [ 56.128582][ T5021] el0t_64_sync_handler+0xcc/0xe4 [ 56.129307][ T5021] el0t_64_sync+0x1a0/0x1a4 [ 56.129922][ T5021] irq event stamp: 81930 [ 56.130613][ T5021] hardirqs last enabled at (81929): [] __up_console_sem+0xb4/0x100 [ 56.132025][ T5021] hardirqs last disabled at (81930): [] el1_dbg+0x24/0x80 [ 56.133503][ T5021] softirqs last enabled at (81892): [] handle_softirqs+0xa4c/0xbf0 [ 56.134943][ T5021] softirqs last disabled at (81777): [] __irq_exit_rcu+0x240/0x440 [ 56.136514][ T5021] ---[ end trace b5c04df1b2e8d984 ]--- [ 56.138651][ T5021] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 56.140124][ T5021] BTRFS info (device loop0): forced readonly [ 56.285804][ T5043] loop0: detected capacity change from 0 to 32768 [ 56.293750][ T5043] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5043) [ 56.297610][ T5043] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.298962][ T5043] BTRFS info (device loop0): use zlib compression, level 3 [ 56.300090][ T5043] BTRFS info (device loop0): disabling tree log [ 56.301049][ T5043] BTRFS info (device loop0): turning on sync discard [ 56.302082][ T5043] BTRFS info (device loop0): enabling ssd optimizations [ 56.303042][ T5043] BTRFS info (device loop0): using spread ssd allocation scheme [ 56.304095][ T5043] BTRFS info (device loop0): using free space tree [ 56.305074][ T5043] BTRFS info (device loop0): has skinny extents [ 56.319296][ T5043] FAULT_INJECTION: forcing a failure. [ 56.319296][ T5043] name failslab, interval 1, probability 0, space 0, times 0 [ 56.321209][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.322580][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.324064][ T5043] Call trace: [ 56.324570][ T5043] dump_backtrace+0x0/0x43c [ 56.325187][ T5043] show_stack+0x2c/0x3c [ 56.325803][ T5043] __dump_stack+0x30/0x40 [ 56.326454][ T5043] dump_stack_lvl+0xf8/0x160 [ 56.327121][ T5043] dump_stack+0x1c/0x5c [ 56.327766][ T5043] should_fail+0x3c0/0x51c [ 56.328394][ T5043] __should_failslab+0xbc/0x10c [ 56.329169][ T5043] should_failslab+0x10/0x28 [ 56.329918][ T5043] slab_pre_alloc_hook+0x64/0xec [ 56.330690][ T5043] kmem_cache_alloc+0x94/0x3e4 [ 56.331397][ T5043] btrfs_alloc_path+0x5c/0x68 [ 56.332051][ T5043] __btrfs_free_extent+0x19c/0x1aa4 [ 56.332805][ T5043] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 56.333659][ T5043] btrfs_run_delayed_refs+0x124/0x46c [ 56.334571][ T5043] btrfs_commit_transaction+0x1b8/0x3044 [ 56.335440][ T5043] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.336338][ T5043] btrfs_ioctl+0x5f0/0xb38 [ 56.337059][ T5043] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.337838][ T5043] invoke_syscall+0x98/0x2b8 [ 56.338604][ T5043] el0_svc_common+0x138/0x258 [ 56.339371][ T5043] do_el0_svc+0x58/0x14c [ 56.340092][ T5043] el0_svc+0x78/0x1e0 [ 56.340765][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 56.341564][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 56.343311][ T5043] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 56.345273][ T5043] ------------[ cut here ]------------ [ 56.346190][ T5043] WARNING: CPU: 1 PID: 5043 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 56.347648][ T5043] Modules linked in: [ 56.348206][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.349510][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.350953][ T5043] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.352018][ T5043] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.352785][ T5043] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.353525][ T5043] sp : ffff8000210177d0 [ 56.354115][ T5043] x29: ffff8000210177e0 x28: ffff0000d372f000 x27: dfff800000000000 [ 56.355390][ T5043] x26: ffff0000d372f024 x25: ffff0000cfdd4000 x24: 1fffe0001a419d97 [ 56.356773][ T5043] x23: 1fffe0001a419d97 x22: ffff0000d20cecb8 x21: 00000000fffffff4 [ 56.358024][ T5043] x20: 0000000000000051 x19: ffff0000d20cec60 x18: 0000000000000001 [ 56.359350][ T5043] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 56.360659][ T5043] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.361913][ T5043] x11: 0000000000000000 x10: 0000000000000000 x9 : f5387a2f5c8d5c00 [ 56.363213][ T5043] x8 : f5387a2f5c8d5c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.364470][ T5043] x5 : ffff8000210170b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 56.365677][ T5043] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.366967][ T5043] Call trace: [ 56.367510][ T5043] btrfs_run_delayed_refs+0x3f4/0x46c [ 56.368386][ T5043] btrfs_commit_transaction+0x1b8/0x3044 [ 56.369266][ T5043] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.370175][ T5043] btrfs_ioctl+0x5f0/0xb38 [ 56.370897][ T5043] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.371642][ T5043] invoke_syscall+0x98/0x2b8 [ 56.372272][ T5043] el0_svc_common+0x138/0x258 [ 56.372968][ T5043] do_el0_svc+0x58/0x14c [ 56.373665][ T5043] el0_svc+0x78/0x1e0 [ 56.374304][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 56.375082][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 56.375835][ T5043] irq event stamp: 81512 [ 56.376496][ T5043] hardirqs last enabled at (81511): [] __up_console_sem+0xb4/0x100 [ 56.378018][ T5043] hardirqs last disabled at (81512): [] el1_dbg+0x24/0x80 [ 56.379426][ T5043] softirqs last enabled at (81478): [] handle_softirqs+0xa4c/0xbf0 [ 56.380982][ T5043] softirqs last disabled at (81371): [] __irq_exit_rcu+0x240/0x440 [ 56.382430][ T5043] ---[ end trace b5c04df1b2e8d985 ]--- [ 56.384211][ T5043] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 56.385696][ T5043] BTRFS info (device loop0): forced readonly [ 56.518674][ T5065] loop0: detected capacity change from 0 to 32768 [ 56.561178][ T5065] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5065) [ 56.566365][ T5065] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.567883][ T5065] BTRFS info (device loop0): use zlib compression, level 3 [ 56.568944][ T5065] BTRFS info (device loop0): disabling tree log [ 56.569962][ T5065] BTRFS info (device loop0): turning on sync discard [ 56.571051][ T5065] BTRFS info (device loop0): enabling ssd optimizations [ 56.572179][ T5065] BTRFS info (device loop0): using spread ssd allocation scheme [ 56.573411][ T5065] BTRFS info (device loop0): using free space tree [ 56.574360][ T5065] BTRFS info (device loop0): has skinny extents [ 56.584561][ T5065] FAULT_INJECTION: forcing a failure. [ 56.584561][ T5065] name failslab, interval 1, probability 0, space 0, times 0 [ 56.586866][ T5065] CPU: 1 PID: 5065 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.588257][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.589829][ T5065] Call trace: [ 56.590285][ T5065] dump_backtrace+0x0/0x43c [ 56.591048][ T5065] show_stack+0x2c/0x3c [ 56.591711][ T5065] __dump_stack+0x30/0x40 [ 56.592416][ T5065] dump_stack_lvl+0xf8/0x160 [ 56.593085][ T5065] dump_stack+0x1c/0x5c [ 56.593712][ T5065] should_fail+0x3c0/0x51c [ 56.594389][ T5065] __should_failslab+0xbc/0x10c [ 56.595123][ T5065] should_failslab+0x10/0x28 [ 56.595903][ T5065] slab_pre_alloc_hook+0x64/0xec [ 56.596711][ T5065] kmem_cache_alloc+0x94/0x3e4 [ 56.597479][ T5065] start_transaction+0x4d0/0x13f0 [ 56.598319][ T5065] btrfs_start_transaction+0x34/0x44 [ 56.599138][ T5065] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 56.600044][ T5065] btrfs_ioctl+0x5f0/0xb38 [ 56.600754][ T5065] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.601577][ T5065] invoke_syscall+0x98/0x2b8 [ 56.602319][ T5065] el0_svc_common+0x138/0x258 [ 56.603095][ T5065] do_el0_svc+0x58/0x14c [ 56.603725][ T5065] el0_svc+0x78/0x1e0 [ 56.604321][ T5065] el0t_64_sync_handler+0xcc/0xe4 [ 56.605158][ T5065] el0t_64_sync+0x1a0/0x1a4 [ 56.644562][ T4295] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 10 /dev/loop0 scanned by udevd (4295) [ 56.746310][ T5087] loop0: detected capacity change from 0 to 32768 [ 56.792017][ T5087] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.793375][ T5087] BTRFS info (device loop0): use zlib compression, level 3 [ 56.794571][ T5087] BTRFS info (device loop0): disabling tree log [ 56.795580][ T5087] BTRFS info (device loop0): turning on sync discard [ 56.797295][ T5087] BTRFS info (device loop0): enabling ssd optimizations [ 56.798384][ T5087] BTRFS info (device loop0): using spread ssd allocation scheme [ 56.799614][ T5087] BTRFS info (device loop0): using free space tree [ 56.800731][ T5087] BTRFS info (device loop0): has skinny extents [ 56.813532][ T5087] FAULT_INJECTION: forcing a failure. [ 56.813532][ T5087] name failslab, interval 1, probability 0, space 0, times 0 [ 56.815735][ T5087] CPU: 0 PID: 5087 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.817137][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.818741][ T5087] Call trace: [ 56.819302][ T5087] dump_backtrace+0x0/0x43c [ 56.820082][ T5087] show_stack+0x2c/0x3c [ 56.820751][ T5087] __dump_stack+0x30/0x40 [ 56.821397][ T5087] dump_stack_lvl+0xf8/0x160 [ 56.822116][ T5087] dump_stack+0x1c/0x5c [ 56.822717][ T5087] should_fail+0x3c0/0x51c [ 56.823392][ T5087] __should_failslab+0xbc/0x10c [ 56.824107][ T5087] should_failslab+0x10/0x28 [ 56.824763][ T5087] slab_pre_alloc_hook+0x64/0xec [ 56.825497][ T5087] kmem_cache_alloc+0x94/0x3e4 [ 56.826284][ T5087] btrfs_alloc_path+0x5c/0x68 [ 56.827048][ T5087] __btrfs_free_extent+0x19c/0x1aa4 [ 56.827887][ T5087] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 56.828776][ T5087] btrfs_run_delayed_refs+0x124/0x46c [ 56.829597][ T5087] btrfs_commit_transaction+0x1b8/0x3044 [ 56.830526][ T5087] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.831378][ T5087] btrfs_ioctl+0x5f0/0xb38 [ 56.832079][ T5087] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.832828][ T5087] invoke_syscall+0x98/0x2b8 [ 56.833523][ T5087] el0_svc_common+0x138/0x258 [ 56.834281][ T5087] do_el0_svc+0x58/0x14c [ 56.834952][ T5087] el0_svc+0x78/0x1e0 [ 56.835534][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 56.836252][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 56.838312][ T5087] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 56.840423][ T5087] ------------[ cut here ]------------ [ 56.841363][ T5087] WARNING: CPU: 0 PID: 5087 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 56.842868][ T5087] Modules linked in: [ 56.843484][ T5087] CPU: 0 PID: 5087 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.844925][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.846470][ T5087] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.847722][ T5087] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.848609][ T5087] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 56.849466][ T5087] sp : ffff8000213377d0 [ 56.850165][ T5087] x29: ffff8000213377e0 x28: ffff0000c9071000 x27: dfff800000000000 [ 56.851542][ T5087] x26: ffff0000c9071024 x25: ffff0000cf640000 x24: 1fffe0001bd3868f [ 56.852771][ T5087] x23: 1fffe0001bd3868f x22: ffff0000de9c3478 x21: 00000000fffffff4 [ 56.854005][ T5087] x20: 0000000000000051 x19: ffff0000de9c3420 x18: 0000000000000001 [ 56.855234][ T5087] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 56.856491][ T5087] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.857687][ T5087] x11: 0000000000000000 x10: 0000000000000000 x9 : e909acbc4d132d00 [ 56.858895][ T5087] x8 : e909acbc4d132d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.860058][ T5087] x5 : ffff8000213370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 56.861207][ T5087] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.862356][ T5087] Call trace: [ 56.862849][ T5087] btrfs_run_delayed_refs+0x3f4/0x46c [ 56.863589][ T5087] btrfs_commit_transaction+0x1b8/0x3044 [ 56.864414][ T5087] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 56.865163][ T5087] btrfs_ioctl+0x5f0/0xb38 [ 56.865796][ T5087] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.866458][ T5087] invoke_syscall+0x98/0x2b8 [ 56.867125][ T5087] el0_svc_common+0x138/0x258 [ 56.867777][ T5087] do_el0_svc+0x58/0x14c [ 56.868379][ T5087] el0_svc+0x78/0x1e0 [ 56.868937][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 56.869648][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 56.870294][ T5087] irq event stamp: 80250 [ 56.870889][ T5087] hardirqs last enabled at (80249): [] __up_console_sem+0xb4/0x100 [ 56.872263][ T5087] hardirqs last disabled at (80250): [] el1_dbg+0x24/0x80 [ 56.873700][ T5087] softirqs last enabled at (80212): [] handle_softirqs+0xa4c/0xbf0 [ 56.875336][ T5087] softirqs last disabled at (80183): [] __irq_exit_rcu+0x240/0x440 [ 56.876852][ T5087] ---[ end trace b5c04df1b2e8d986 ]--- [ 56.878764][ T5087] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 56.880271][ T5087] BTRFS info (device loop0): forced readonly [ 57.010543][ T5109] loop0: detected capacity change from 0 to 32768 [ 57.048078][ T5109] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5109) [ 57.052373][ T5109] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.053843][ T5109] BTRFS info (device loop0): use zlib compression, level 3 [ 57.055048][ T5109] BTRFS info (device loop0): disabling tree log [ 57.055999][ T5109] BTRFS info (device loop0): turning on sync discard [ 57.057261][ T5109] BTRFS info (device loop0): enabling ssd optimizations [ 57.058449][ T5109] BTRFS info (device loop0): using spread ssd allocation scheme [ 57.059795][ T5109] BTRFS info (device loop0): using free space tree [ 57.060739][ T5109] BTRFS info (device loop0): has skinny extents [ 57.075993][ T5109] FAULT_INJECTION: forcing a failure. [ 57.075993][ T5109] name failslab, interval 1, probability 0, space 0, times 0 [ 57.078796][ T5109] CPU: 1 PID: 5109 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.080260][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.081819][ T5109] Call trace: [ 57.082316][ T5109] dump_backtrace+0x0/0x43c [ 57.083078][ T5109] show_stack+0x2c/0x3c [ 57.083713][ T5109] __dump_stack+0x30/0x40 [ 57.084342][ T5109] dump_stack_lvl+0xf8/0x160 [ 57.084988][ T5109] dump_stack+0x1c/0x5c [ 57.085681][ T5109] should_fail+0x3c0/0x51c [ 57.086388][ T5109] __should_failslab+0xbc/0x10c [ 57.087157][ T5109] should_failslab+0x10/0x28 [ 57.087863][ T5109] slab_pre_alloc_hook+0x64/0xec [ 57.088641][ T5109] kmem_cache_alloc+0x94/0x3e4 [ 57.089360][ T5109] btrfs_alloc_path+0x5c/0x68 [ 57.090040][ T5109] __btrfs_free_extent+0x19c/0x1aa4 [ 57.090803][ T5109] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 57.091670][ T5109] btrfs_run_delayed_refs+0x124/0x46c [ 57.092467][ T5109] btrfs_commit_transaction+0x1b8/0x3044 [ 57.093337][ T5109] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.094166][ T5109] btrfs_ioctl+0x5f0/0xb38 [ 57.094832][ T5109] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.095566][ T5109] invoke_syscall+0x98/0x2b8 [ 57.096265][ T5109] el0_svc_common+0x138/0x258 [ 57.096932][ T5109] do_el0_svc+0x58/0x14c [ 57.097566][ T5109] el0_svc+0x78/0x1e0 [ 57.098179][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 57.098946][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 57.100767][ T5109] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 57.102821][ T5109] ------------[ cut here ]------------ [ 57.103754][ T5109] WARNING: CPU: 1 PID: 5109 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 57.105316][ T5109] Modules linked in: [ 57.105936][ T5109] CPU: 1 PID: 5109 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.107260][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.108692][ T5109] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.109883][ T5109] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.110815][ T5109] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.111745][ T5109] sp : ffff8000213377d0 [ 57.112457][ T5109] x29: ffff8000213377e0 x28: ffff0000c8497000 x27: dfff800000000000 [ 57.113782][ T5109] x26: ffff0000c8497024 x25: ffff0000d1c98000 x24: 1fffe0001a419c8f [ 57.114949][ T5109] x23: 1fffe0001a419c8f x22: ffff0000d20ce478 x21: 00000000fffffff4 [ 57.116131][ T5109] x20: 0000000000000051 x19: ffff0000d20ce420 x18: 0000000000000001 [ 57.117417][ T5109] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 57.118697][ T5109] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.119905][ T5109] x11: 0000000000000000 x10: 0000000000000000 x9 : 3576f87014ad0100 [ 57.121159][ T5109] x8 : 3576f87014ad0100 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.122358][ T5109] x5 : ffff8000213370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 57.123601][ T5109] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.124754][ T5109] Call trace: [ 57.125228][ T5109] btrfs_run_delayed_refs+0x3f4/0x46c [ 57.125969][ T5109] btrfs_commit_transaction+0x1b8/0x3044 [ 57.126793][ T5109] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.127573][ T5109] btrfs_ioctl+0x5f0/0xb38 [ 57.128268][ T5109] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.129063][ T5109] invoke_syscall+0x98/0x2b8 [ 57.129839][ T5109] el0_svc_common+0x138/0x258 [ 57.130594][ T5109] do_el0_svc+0x58/0x14c [ 57.131260][ T5109] el0_svc+0x78/0x1e0 [ 57.131892][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 57.132721][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 57.133411][ T5109] irq event stamp: 79766 [ 57.134062][ T5109] hardirqs last enabled at (79765): [] __up_console_sem+0xb4/0x100 [ 57.135597][ T5109] hardirqs last disabled at (79766): [] el1_dbg+0x24/0x80 [ 57.136875][ T5109] softirqs last enabled at (79728): [] handle_softirqs+0xa4c/0xbf0 [ 57.138422][ T5109] softirqs last disabled at (79621): [] __irq_exit_rcu+0x240/0x440 [ 57.139965][ T5109] ---[ end trace b5c04df1b2e8d987 ]--- [ 57.156772][ T5109] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 57.158485][ T5109] BTRFS info (device loop0): forced readonly [ 57.197602][ T4295] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by udevd (4295) [ 57.363090][ T5131] loop0: detected capacity change from 0 to 32768 [ 57.366678][ T4477] Bluetooth: hci0: command 0x0419 tx timeout [ 57.408667][ T5131] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.409952][ T5131] BTRFS info (device loop0): use zlib compression, level 3 [ 57.410990][ T5131] BTRFS info (device loop0): disabling tree log [ 57.411956][ T5131] BTRFS info (device loop0): turning on sync discard [ 57.413100][ T5131] BTRFS info (device loop0): enabling ssd optimizations [ 57.414230][ T5131] BTRFS info (device loop0): using spread ssd allocation scheme [ 57.415465][ T5131] BTRFS info (device loop0): using free space tree [ 57.416455][ T5131] BTRFS info (device loop0): has skinny extents [ 57.427157][ T5131] FAULT_INJECTION: forcing a failure. [ 57.427157][ T5131] name failslab, interval 1, probability 0, space 0, times 0 [ 57.429017][ T5131] CPU: 0 PID: 5131 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.430413][ T5131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.432018][ T5131] Call trace: [ 57.432536][ T5131] dump_backtrace+0x0/0x43c [ 57.433182][ T5131] show_stack+0x2c/0x3c [ 57.433751][ T5131] __dump_stack+0x30/0x40 [ 57.434353][ T5131] dump_stack_lvl+0xf8/0x160 [ 57.434968][ T5131] dump_stack+0x1c/0x5c [ 57.435590][ T5131] should_fail+0x3c0/0x51c [ 57.436218][ T5131] __should_failslab+0xbc/0x10c [ 57.436916][ T5131] should_failslab+0x10/0x28 [ 57.437531][ T5131] slab_pre_alloc_hook+0x64/0xec [ 57.438223][ T5131] kmem_cache_alloc+0x94/0x3e4 [ 57.438940][ T5131] btrfs_alloc_path+0x5c/0x68 [ 57.439675][ T5131] __btrfs_free_extent+0x19c/0x1aa4 [ 57.440507][ T5131] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 57.441435][ T5131] btrfs_run_delayed_refs+0x124/0x46c [ 57.442221][ T5131] btrfs_commit_transaction+0x1b8/0x3044 [ 57.443044][ T5131] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.443858][ T5131] btrfs_ioctl+0x5f0/0xb38 [ 57.444523][ T5131] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.445249][ T5131] invoke_syscall+0x98/0x2b8 [ 57.445895][ T5131] el0_svc_common+0x138/0x258 [ 57.446577][ T5131] do_el0_svc+0x58/0x14c [ 57.447140][ T5131] el0_svc+0x78/0x1e0 [ 57.447719][ T5131] el0t_64_sync_handler+0xcc/0xe4 [ 57.448482][ T5131] el0t_64_sync+0x1a0/0x1a4 [ 57.450279][ T5131] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 57.452262][ T5131] ------------[ cut here ]------------ [ 57.453238][ T5131] WARNING: CPU: 0 PID: 5131 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 57.454809][ T5131] Modules linked in: [ 57.455416][ T5131] CPU: 0 PID: 5131 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.456832][ T5131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.458421][ T5131] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.459636][ T5131] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.460564][ T5131] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.461511][ T5131] sp : ffff8000216c77d0 [ 57.462141][ T5131] x29: ffff8000216c77e0 x28: ffff0000c28ac000 x27: dfff800000000000 [ 57.463248][ T5131] x26: ffff0000c28ac024 x25: ffff0000d1c98000 x24: 1fffe0001bd3860b [ 57.464462][ T5131] x23: 1fffe0001bd3860b x22: ffff0000de9c3058 x21: 00000000fffffff4 [ 57.465711][ T5131] x20: 0000000000000051 x19: ffff0000de9c3000 x18: 0000000000000001 [ 57.467011][ T5131] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 57.468326][ T5131] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.469532][ T5131] x11: 0000000000000000 x10: 0000000000000000 x9 : eae5e47866c0bc00 [ 57.470692][ T5131] x8 : eae5e47866c0bc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.471790][ T5131] x5 : ffff8000216c70b8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 57.472937][ T5131] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.474058][ T5131] Call trace: [ 57.474488][ T5131] btrfs_run_delayed_refs+0x3f4/0x46c [ 57.475270][ T5131] btrfs_commit_transaction+0x1b8/0x3044 [ 57.476131][ T5131] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.476886][ T5131] btrfs_ioctl+0x5f0/0xb38 [ 57.477537][ T5131] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.478244][ T5131] invoke_syscall+0x98/0x2b8 [ 57.478913][ T5131] el0_svc_common+0x138/0x258 [ 57.479605][ T5131] do_el0_svc+0x58/0x14c [ 57.480251][ T5131] el0_svc+0x78/0x1e0 [ 57.480796][ T5131] el0t_64_sync_handler+0xcc/0xe4 [ 57.481593][ T5131] el0t_64_sync+0x1a0/0x1a4 [ 57.482306][ T5131] irq event stamp: 80752 [ 57.482964][ T5131] hardirqs last enabled at (80751): [] __up_console_sem+0xb4/0x100 [ 57.484338][ T5131] hardirqs last disabled at (80752): [] el1_dbg+0x24/0x80 [ 57.485535][ T5131] softirqs last enabled at (80718): [] handle_softirqs+0xa4c/0xbf0 [ 57.487126][ T5131] softirqs last disabled at (80695): [] __irq_exit_rcu+0x240/0x440 [ 57.488541][ T5131] ---[ end trace b5c04df1b2e8d988 ]--- [ 57.490784][ T5131] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 57.492332][ T5131] BTRFS info (device loop0): forced readonly [ 57.625027][ T5154] loop0: detected capacity change from 0 to 32768 [ 57.628916][ T5154] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5154) [ 57.632237][ T5154] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.633638][ T5154] BTRFS info (device loop0): use zlib compression, level 3 [ 57.634894][ T5154] BTRFS info (device loop0): disabling tree log [ 57.635830][ T5154] BTRFS info (device loop0): turning on sync discard [ 57.637293][ T5154] BTRFS info (device loop0): enabling ssd optimizations [ 57.638309][ T5154] BTRFS info (device loop0): using spread ssd allocation scheme [ 57.639797][ T5154] BTRFS info (device loop0): using free space tree [ 57.640940][ T5154] BTRFS info (device loop0): has skinny extents [ 57.666280][ T5154] FAULT_INJECTION: forcing a failure. [ 57.666280][ T5154] name failslab, interval 1, probability 0, space 0, times 0 [ 57.668614][ T5154] CPU: 1 PID: 5154 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.669945][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.671555][ T5154] Call trace: [ 57.672149][ T5154] dump_backtrace+0x0/0x43c [ 57.672914][ T5154] show_stack+0x2c/0x3c [ 57.673638][ T5154] __dump_stack+0x30/0x40 [ 57.674289][ T5154] dump_stack_lvl+0xf8/0x160 [ 57.674966][ T5154] dump_stack+0x1c/0x5c [ 57.675539][ T5154] should_fail+0x3c0/0x51c [ 57.676231][ T5154] __should_failslab+0xbc/0x10c [ 57.676982][ T5154] should_failslab+0x10/0x28 [ 57.677733][ T5154] slab_pre_alloc_hook+0x64/0xec [ 57.678512][ T5154] kmem_cache_alloc+0x94/0x3e4 [ 57.679296][ T5154] btrfs_alloc_path+0x5c/0x68 [ 57.680074][ T5154] __btrfs_run_delayed_refs+0xd70/0x3354 [ 57.680966][ T5154] btrfs_run_delayed_refs+0x124/0x46c [ 57.681816][ T5154] btrfs_commit_transaction+0x1b8/0x3044 [ 57.682771][ T5154] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.683659][ T5154] btrfs_ioctl+0x5f0/0xb38 [ 57.684350][ T5154] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.685147][ T5154] invoke_syscall+0x98/0x2b8 [ 57.685823][ T5154] el0_svc_common+0x138/0x258 [ 57.686576][ T5154] do_el0_svc+0x58/0x14c [ 57.687241][ T5154] el0_svc+0x78/0x1e0 [ 57.687918][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 57.688689][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 57.691350][ T5154] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 57.693354][ T5154] ------------[ cut here ]------------ [ 57.694258][ T5154] WARNING: CPU: 1 PID: 5154 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 57.695857][ T5154] Modules linked in: [ 57.696529][ T5154] CPU: 1 PID: 5154 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.698063][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.699618][ T5154] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.700826][ T5154] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.701658][ T5154] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.702639][ T5154] sp : ffff8000217e77d0 [ 57.703303][ T5154] x29: ffff8000217e77e0 x28: ffff0000c2949000 x27: dfff800000000000 [ 57.704535][ T5154] x26: ffff0000c2949024 x25: ffff0000d1c98000 x24: 1fffe0001a419dc3 [ 57.705902][ T5154] x23: 1fffe0001a419dc3 x22: ffff0000d20cee18 x21: 00000000fffffff4 [ 57.707211][ T5154] x20: 0000000000000051 x19: ffff0000d20cedc0 x18: 0000000000000001 [ 57.708573][ T5154] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 57.709935][ T5154] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.711279][ T5154] x11: 0000000000000000 x10: 0000000000000000 x9 : 04bd7096684d1300 [ 57.712619][ T5154] x8 : 04bd7096684d1300 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.713892][ T5154] x5 : ffff8000217e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 57.715217][ T5154] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.716449][ T5154] Call trace: [ 57.716932][ T5154] btrfs_run_delayed_refs+0x3f4/0x46c [ 57.717801][ T5154] btrfs_commit_transaction+0x1b8/0x3044 [ 57.718745][ T5154] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.719605][ T5154] btrfs_ioctl+0x5f0/0xb38 [ 57.720324][ T5154] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.721161][ T5154] invoke_syscall+0x98/0x2b8 [ 57.721933][ T5154] el0_svc_common+0x138/0x258 [ 57.722690][ T5154] do_el0_svc+0x58/0x14c [ 57.723345][ T5154] el0_svc+0x78/0x1e0 [ 57.723946][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 57.724759][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 57.725478][ T5154] irq event stamp: 81316 [ 57.726105][ T5154] hardirqs last enabled at (81315): [] __up_console_sem+0xb4/0x100 [ 57.727644][ T5154] hardirqs last disabled at (81316): [] el1_dbg+0x24/0x80 [ 57.729048][ T5154] softirqs last enabled at (81274): [] handle_softirqs+0xa4c/0xbf0 [ 57.730603][ T5154] softirqs last disabled at (81261): [] __irq_exit_rcu+0x240/0x440 [ 57.732036][ T5154] ---[ end trace b5c04df1b2e8d989 ]--- [ 57.735017][ T5154] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 57.736652][ T5154] BTRFS info (device loop0): forced readonly [ 57.772623][ T4295] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by udevd (4295) [ 57.870280][ T5176] loop0: detected capacity change from 0 to 32768 [ 57.930912][ T5176] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.932272][ T5176] BTRFS info (device loop0): use zlib compression, level 3 [ 57.933419][ T5176] BTRFS info (device loop0): disabling tree log [ 57.934339][ T5176] BTRFS info (device loop0): turning on sync discard [ 57.935491][ T5176] BTRFS info (device loop0): enabling ssd optimizations [ 57.937125][ T5176] BTRFS info (device loop0): using spread ssd allocation scheme [ 57.938401][ T5176] BTRFS info (device loop0): using free space tree [ 57.939546][ T5176] BTRFS info (device loop0): has skinny extents [ 57.957374][ T5176] FAULT_INJECTION: forcing a failure. [ 57.957374][ T5176] name failslab, interval 1, probability 0, space 0, times 0 [ 57.959328][ T5176] CPU: 1 PID: 5176 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.960734][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.962385][ T5176] Call trace: [ 57.962884][ T5176] dump_backtrace+0x0/0x43c [ 57.963615][ T5176] show_stack+0x2c/0x3c [ 57.964285][ T5176] __dump_stack+0x30/0x40 [ 57.964971][ T5176] dump_stack_lvl+0xf8/0x160 [ 57.965714][ T5176] dump_stack+0x1c/0x5c [ 57.966376][ T5176] should_fail+0x3c0/0x51c [ 57.967081][ T5176] __should_failslab+0xbc/0x10c [ 57.967823][ T5176] should_failslab+0x10/0x28 [ 57.968524][ T5176] slab_pre_alloc_hook+0x64/0xec [ 57.969262][ T5176] kmem_cache_alloc+0x94/0x3e4 [ 57.969907][ T5176] btrfs_alloc_path+0x5c/0x68 [ 57.970564][ T5176] __btrfs_free_extent+0x19c/0x1aa4 [ 57.971368][ T5176] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 57.972221][ T5176] btrfs_run_delayed_refs+0x124/0x46c [ 57.972994][ T5176] btrfs_commit_transaction+0x1b8/0x3044 [ 57.973746][ T5176] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 57.974564][ T5176] btrfs_ioctl+0x5f0/0xb38 [ 57.975331][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.976120][ T5176] invoke_syscall+0x98/0x2b8 [ 57.976893][ T5176] el0_svc_common+0x138/0x258 [ 57.977604][ T5176] do_el0_svc+0x58/0x14c [ 57.978203][ T5176] el0_svc+0x78/0x1e0 [ 57.978774][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 57.979573][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 57.980569][ T5176] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 57.982583][ T5176] ------------[ cut here ]------------ [ 57.983521][ T5176] WARNING: CPU: 1 PID: 5176 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 57.985141][ T5176] Modules linked in: [ 57.985768][ T5176] CPU: 1 PID: 5176 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.987134][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.988648][ T5176] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.989872][ T5176] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.990782][ T5176] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 57.991690][ T5176] sp : ffff8000219177d0 [ 57.992375][ T5176] x29: ffff8000219177e0 x28: ffff0000c8495000 x27: dfff800000000000 [ 57.993712][ T5176] x26: ffff0000c8495024 x25: ffff0000d1930000 x24: 1fffe0001a419dd9 [ 57.994988][ T5176] x23: 1fffe0001a419dd9 x22: ffff0000d20ceec8 x21: 00000000fffffff4 [ 57.996280][ T5176] x20: 0000000000000051 x19: ffff0000d20cee70 x18: 0000000000000001 [ 57.997626][ T5176] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 57.998876][ T5176] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.000067][ T5176] x11: 0000000000000000 x10: 0000000000000000 x9 : 9f4820db33fe2600 [ 58.001352][ T5176] x8 : 9f4820db33fe2600 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.002642][ T5176] x5 : ffff8000219170b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 58.003943][ T5176] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.005245][ T5176] Call trace: [ 58.005782][ T5176] btrfs_run_delayed_refs+0x3f4/0x46c [ 58.006642][ T5176] btrfs_commit_transaction+0x1b8/0x3044 [ 58.007566][ T5176] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 58.008474][ T5176] btrfs_ioctl+0x5f0/0xb38 [ 58.009193][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.009957][ T5176] invoke_syscall+0x98/0x2b8 [ 58.010667][ T5176] el0_svc_common+0x138/0x258 [ 58.011379][ T5176] do_el0_svc+0x58/0x14c [ 58.011997][ T5176] el0_svc+0x78/0x1e0 [ 58.012650][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 58.013430][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 58.014132][ T5176] irq event stamp: 79672 [ 58.014829][ T5176] hardirqs last enabled at (79671): [] __up_console_sem+0xb4/0x100 [ 58.016326][ T5176] hardirqs last disabled at (79672): [] el1_dbg+0x24/0x80 [ 58.017628][ T5176] softirqs last enabled at (79642): [] handle_softirqs+0xa4c/0xbf0 [ 58.019028][ T5176] softirqs last disabled at (79503): [] __irq_exit_rcu+0x240/0x440 [ 58.020466][ T5176] ---[ end trace b5c04df1b2e8d98a ]--- [ 58.021387][ T5176] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 58.022776][ T5176] BTRFS info (device loop0): forced readonly [ 58.160947][ T5199] loop0: detected capacity change from 0 to 32768 [ 58.247867][ T5199] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5199) [ 58.250936][ T5199] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 58.252338][ T5199] BTRFS info (device loop0): use zlib compression, level 3 [ 58.254027][ T5199] BTRFS info (device loop0): disabling tree log [ 58.255030][ T5199] BTRFS info (device loop0): turning on sync discard [ 58.256178][ T5199] BTRFS info (device loop0): enabling ssd optimizations [ 58.258458][ T5199] BTRFS info (device loop0): using spread ssd allocation scheme [ 58.259628][ T5199] BTRFS info (device loop0): using free space tree [ 58.260546][ T5199] BTRFS info (device loop0): has skinny extents [ 58.270412][ T5199] FAULT_INJECTION: forcing a failure. [ 58.270412][ T5199] name failslab, interval 1, probability 0, space 0, times 0 [ 58.272489][ T5199] CPU: 1 PID: 5199 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.273943][ T5199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.275426][ T5199] Call trace: [ 58.275898][ T5199] dump_backtrace+0x0/0x43c [ 58.276577][ T5199] show_stack+0x2c/0x3c [ 58.277225][ T5199] __dump_stack+0x30/0x40 [ 58.277853][ T5199] dump_stack_lvl+0xf8/0x160 [ 58.278558][ T5199] dump_stack+0x1c/0x5c [ 58.279235][ T5199] should_fail+0x3c0/0x51c [ 58.279927][ T5199] __should_failslab+0xbc/0x10c [ 58.280666][ T5199] should_failslab+0x10/0x28 [ 58.281419][ T5199] slab_pre_alloc_hook+0x64/0xec [ 58.282243][ T5199] kmem_cache_alloc+0x94/0x3e4 [ 58.282993][ T5199] btrfs_alloc_path+0x5c/0x68 [ 58.283780][ T5199] __btrfs_free_extent+0x19c/0x1aa4 [ 58.284668][ T5199] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 58.285597][ T5199] btrfs_run_delayed_refs+0x124/0x46c [ 58.286461][ T5199] btrfs_commit_transaction+0x1b8/0x3044 [ 58.287336][ T5199] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 58.288242][ T5199] btrfs_ioctl+0x5f0/0xb38 [ 58.288957][ T5199] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.289750][ T5199] invoke_syscall+0x98/0x2b8 [ 58.290495][ T5199] el0_svc_common+0x138/0x258 [ 58.291206][ T5199] do_el0_svc+0x58/0x14c [ 58.291861][ T5199] el0_svc+0x78/0x1e0 [ 58.292448][ T5199] el0t_64_sync_handler+0xcc/0xe4 [ 58.293203][ T5199] el0t_64_sync+0x1a0/0x1a4 [ 58.294037][ T5199] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 58.296628][ T5199] ------------[ cut here ]------------ [ 58.297624][ T5199] WARNING: CPU: 1 PID: 5199 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 58.299219][ T5199] Modules linked in: [ 58.299840][ T5199] CPU: 1 PID: 5199 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.301221][ T5199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.302664][ T5199] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.303883][ T5199] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 58.304725][ T5199] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 58.305661][ T5199] sp : ffff8000217e77d0 [ 58.306308][ T5199] x29: ffff8000217e77e0 x28: ffff0000c8494000 x27: dfff800000000000 [ 58.307536][ T5199] x26: ffff0000c8494024 x25: ffff0000d1930000 x24: 1fffe0001a419def [ 58.308791][ T5199] x23: 1fffe0001a419def x22: ffff0000d20cef78 x21: 00000000fffffff4 [ 58.309951][ T5199] x20: 0000000000000051 x19: ffff0000d20cef20 x18: 0000000000000001 [ 58.311279][ T5199] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 58.312574][ T5199] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.313791][ T5199] x11: 0000000000000000 x10: 0000000000000000 x9 : fd85f65f74546400 [ 58.315096][ T5199] x8 : fd85f65f74546400 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.316325][ T5199] x5 : ffff8000217e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 58.317559][ T5199] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.318932][ T5199] Call trace: [ 58.319456][ T5199] btrfs_run_delayed_refs+0x3f4/0x46c [ 58.320235][ T5199] btrfs_commit_transaction+0x1b8/0x3044 [ 58.321082][ T5199] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 58.321915][ T5199] btrfs_ioctl+0x5f0/0xb38 [ 58.322613][ T5199] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.323382][ T5199] invoke_syscall+0x98/0x2b8 [ 58.324104][ T5199] el0_svc_common+0x138/0x258 [ 58.324838][ T5199] do_el0_svc+0x58/0x14c [ 58.325520][ T5199] el0_svc+0x78/0x1e0 [ 58.326121][ T5199] el0t_64_sync_handler+0xcc/0xe4 [ 58.327000][ T5199] el0t_64_sync+0x1a0/0x1a4 [ 58.327622][ T5199] irq event stamp: 80372 [ 58.328284][ T5199] hardirqs last enabled at (80371): [] __up_console_sem+0xb4/0x100 [ 58.329924][ T5199] hardirqs last disabled at (80372): [] el1_dbg+0x24/0x80 [ 58.331367][ T5199] softirqs last enabled at (80350): [] handle_softirqs+0xa4c/0xbf0 [ 58.332931][ T5199] softirqs last disabled at (80337): [] __irq_exit_rcu+0x240/0x440 [ 58.334575][ T5199] ---[ end trace b5c04df1b2e8d98b ]--- [ 58.336154][ T5199] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 58.337934][ T5199] BTRFS info (device loop0): forced readonly [ 58.478833][ T5221] loop0: detected capacity change from 0 to 32768 [ 58.486139][ T5221] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5221) [ 58.491655][ T5221] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 58.493174][ T5221] BTRFS info (device loop0): use zlib compression, level 3 [ 58.512161][ T5221] FAULT_INJECTION: forcing a failure. [ 58.512161][ T5221] name failslab, interval 1, probability 0, space 0, times 0 [ 58.514517][ T5221] CPU: 1 PID: 5221 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.515902][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.517397][ T5221] Call trace: [ 58.517868][ T5221] dump_backtrace+0x0/0x43c [ 58.518574][ T5221] show_stack+0x2c/0x3c [ 58.519230][ T5221] __dump_stack+0x30/0x40 [ 58.519850][ T5221] dump_stack_lvl+0xf8/0x160 [ 58.520506][ T5221] dump_stack+0x1c/0x5c [ 58.521158][ T5221] should_fail+0x3c0/0x51c [ 58.521829][ T5221] __should_failslab+0xbc/0x10c [ 58.522573][ T5221] should_failslab+0x10/0x28 [ 58.523269][ T5221] slab_pre_alloc_hook+0x64/0xec [ 58.524007][ T5221] kmem_cache_alloc+0x94/0x3e4 [ 58.524754][ T5221] start_transaction+0x4d0/0x13f0 [ 58.525472][ T5221] btrfs_start_transaction+0x34/0x44 [ 58.526186][ T5221] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 58.526995][ T5221] btrfs_ioctl+0x5f0/0xb38 [ 58.527695][ T5221] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.528494][ T5221] invoke_syscall+0x98/0x2b8 [ 58.529234][ T5221] el0_svc_common+0x138/0x258 [ 58.529951][ T5221] do_el0_svc+0x58/0x14c [ 58.530684][ T5221] el0_svc+0x78/0x1e0 [ 58.531359][ T5221] el0t_64_sync_handler+0xcc/0xe4 [ 58.532213][ T5221] el0t_64_sync+0x1a0/0x1a4 [ 58.581289][ T4295] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 10 /dev/loop0 scanned by udevd (4295) [ 58.676296][ T5242] loop0: detected capacity change from 0 to 32768 [ 58.737541][ T5242] FAULT_INJECTION: forcing a failure. [ 58.737541][ T5242] name failslab, interval 1, probability 0, space 0, times 0 [ 58.739653][ T5242] CPU: 1 PID: 5242 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.740975][ T5242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.742358][ T5242] Call trace: [ 58.742810][ T5242] dump_backtrace+0x0/0x43c [ 58.743488][ T5242] show_stack+0x2c/0x3c [ 58.744098][ T5242] __dump_stack+0x30/0x40 [ 58.744763][ T5242] dump_stack_lvl+0xf8/0x160 [ 58.745553][ T5242] dump_stack+0x1c/0x5c [ 58.746236][ T5242] should_fail+0x3c0/0x51c [ 58.747023][ T5242] __should_failslab+0xbc/0x10c [ 58.747854][ T5242] should_failslab+0x10/0x28 [ 58.748627][ T5242] slab_pre_alloc_hook+0x64/0xec [ 58.749415][ T5242] kmem_cache_alloc+0x94/0x3e4 [ 58.750159][ T5242] btrfs_alloc_path+0x5c/0x68 [ 58.750911][ T5242] __btrfs_free_extent+0x19c/0x1aa4 [ 58.751819][ T5242] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 58.752755][ T5242] btrfs_run_delayed_refs+0x124/0x46c [ 58.753551][ T5242] btrfs_commit_transaction+0x1b8/0x3044 [ 58.754433][ T5242] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 58.755371][ T5242] btrfs_ioctl+0x5f0/0xb38 [ 58.756087][ T5242] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.756888][ T5242] invoke_syscall+0x98/0x2b8 [ 58.757650][ T5242] el0_svc_common+0x138/0x258 [ 58.758318][ T5242] do_el0_svc+0x58/0x14c [ 58.758961][ T5242] el0_svc+0x78/0x1e0 [ 58.759585][ T5242] el0t_64_sync_handler+0xcc/0xe4 [ 58.760396][ T5242] el0t_64_sync+0x1a0/0x1a4 [ 58.761993][ T5242] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 58.764003][ T5242] ------------[ cut here ]------------ [ 58.764959][ T5242] WARNING: CPU: 1 PID: 5242 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 58.766604][ T5242] Modules linked in: [ 58.767257][ T5242] CPU: 1 PID: 5242 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.768781][ T5242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.770242][ T5242] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.771467][ T5242] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 58.772451][ T5242] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 58.773468][ T5242] sp : ffff800021b277d0 [ 58.774143][ T5242] x29: ffff800021b277e0 x28: ffff0000d4c3e000 x27: dfff800000000000 [ 58.775399][ T5242] x26: ffff0000d4c3e024 x25: ffff0000d7504000 x24: 1fffe0001a419cfd [ 58.776786][ T5242] x23: 1fffe0001a419cfd x22: ffff0000d20ce7e8 x21: 00000000fffffff4 [ 58.778108][ T5242] x20: 0000000000000051 x19: ffff0000d20ce790 x18: 0000000000000001 [ 58.779392][ T5242] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 58.780695][ T5242] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.781920][ T5242] x11: 0000000000000000 x10: 0000000000000000 x9 : a149e60aff056700 [ 58.783142][ T5242] x8 : a149e60aff056700 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.784382][ T5242] x5 : ffff800021b270b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 58.785666][ T5242] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.787045][ T5242] Call trace: [ 58.787560][ T5242] btrfs_run_delayed_refs+0x3f4/0x46c [ 58.788439][ T5242] btrfs_commit_transaction+0x1b8/0x3044 [ 58.789296][ T5242] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 58.790154][ T5242] btrfs_ioctl+0x5f0/0xb38 [ 58.790869][ T5242] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.791666][ T5242] invoke_syscall+0x98/0x2b8 [ 58.792345][ T5242] el0_svc_common+0x138/0x258 [ 58.793110][ T5242] do_el0_svc+0x58/0x14c [ 58.793805][ T5242] el0_svc+0x78/0x1e0 [ 58.794452][ T5242] el0t_64_sync_handler+0xcc/0xe4 [ 58.795307][ T5242] el0t_64_sync+0x1a0/0x1a4 [ 58.796060][ T5242] irq event stamp: 81620 [ 58.796770][ T5242] hardirqs last enabled at (81619): [] __up_console_sem+0xb4/0x100 [ 58.798324][ T5242] hardirqs last disabled at (81620): [] el1_dbg+0x24/0x80 [ 58.799858][ T5242] softirqs last enabled at (81582): [] handle_softirqs+0xa4c/0xbf0 [ 58.801364][ T5242] softirqs last disabled at (81467): [] __irq_exit_rcu+0x240/0x440 [ 58.802805][ T5242] ---[ end trace b5c04df1b2e8d98c ]--- [ 58.805898][ T5242] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 58.936426][ T5265] loop0: detected capacity change from 0 to 32768 [ 58.938714][ T5265] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5265) [ 58.950785][ T5265] FAULT_INJECTION: forcing a failure. [ 58.950785][ T5265] name failslab, interval 1, probability 0, space 0, times 0 [ 58.952815][ T5265] CPU: 1 PID: 5265 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.954261][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.955787][ T5265] Call trace: [ 58.956297][ T5265] dump_backtrace+0x0/0x43c [ 58.957000][ T5265] show_stack+0x2c/0x3c [ 58.957606][ T5265] __dump_stack+0x30/0x40 [ 58.958224][ T5265] dump_stack_lvl+0xf8/0x160 [ 58.958839][ T5265] dump_stack+0x1c/0x5c [ 58.959422][ T5265] should_fail+0x3c0/0x51c [ 58.960090][ T5265] __should_failslab+0xbc/0x10c [ 58.960812][ T5265] should_failslab+0x10/0x28 [ 58.961515][ T5265] slab_pre_alloc_hook+0x64/0xec [ 58.962295][ T5265] kmem_cache_alloc+0x94/0x3e4 [ 58.963061][ T5265] btrfs_alloc_path+0x5c/0x68 [ 58.963783][ T5265] __btrfs_run_delayed_refs+0xd70/0x3354 [ 58.964625][ T5265] btrfs_run_delayed_refs+0x124/0x46c [ 58.965550][ T5265] btrfs_commit_transaction+0x1b8/0x3044 [ 58.966456][ T5265] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 58.967369][ T5265] btrfs_ioctl+0x5f0/0xb38 [ 58.968116][ T5265] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.968935][ T5265] invoke_syscall+0x98/0x2b8 [ 58.969695][ T5265] el0_svc_common+0x138/0x258 [ 58.970435][ T5265] do_el0_svc+0x58/0x14c [ 58.971095][ T5265] el0_svc+0x78/0x1e0 [ 58.971711][ T5265] el0t_64_sync_handler+0xcc/0xe4 [ 58.972556][ T5265] el0t_64_sync+0x1a0/0x1a4 [ 58.974812][ T5265] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 58.976969][ T5265] ------------[ cut here ]------------ [ 58.977868][ T5265] WARNING: CPU: 1 PID: 5265 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 58.979335][ T5265] Modules linked in: [ 58.979929][ T5265] CPU: 1 PID: 5265 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.981371][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.982876][ T5265] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.983991][ T5265] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 58.984741][ T5265] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 58.985495][ T5265] sp : ffff800021b377d0 [ 58.986065][ T5265] x29: ffff800021b377e0 x28: ffff0000d1ef0000 x27: dfff800000000000 [ 58.987168][ T5265] x26: ffff0000d1ef0024 x25: ffff0000d7504000 x24: 1fffe0001a419cd1 [ 58.988417][ T5265] x23: 1fffe0001a419cd1 x22: ffff0000d20ce688 x21: 00000000fffffff4 [ 58.989785][ T5265] x20: 0000000000000051 x19: ffff0000d20ce630 x18: 0000000000000001 [ 58.991142][ T5265] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 58.992498][ T5265] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.993829][ T5265] x11: 0000000000000000 x10: 0000000000000000 x9 : a942f2ceb9326400 [ 58.995086][ T5265] x8 : a942f2ceb9326400 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.996365][ T5265] x5 : ffff800021b370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 58.997533][ T5265] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.998733][ T5265] Call trace: [ 58.999205][ T5265] btrfs_run_delayed_refs+0x3f4/0x46c [ 59.000016][ T5265] btrfs_commit_transaction+0x1b8/0x3044 [ 59.000891][ T5265] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.001790][ T5265] btrfs_ioctl+0x5f0/0xb38 [ 59.002536][ T5265] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.003318][ T5265] invoke_syscall+0x98/0x2b8 [ 59.004062][ T5265] el0_svc_common+0x138/0x258 [ 59.004788][ T5265] do_el0_svc+0x58/0x14c [ 59.005416][ T5265] el0_svc+0x78/0x1e0 [ 59.006027][ T5265] el0t_64_sync_handler+0xcc/0xe4 [ 59.006790][ T5265] el0t_64_sync+0x1a0/0x1a4 [ 59.007494][ T5265] irq event stamp: 80102 [ 59.008076][ T5265] hardirqs last enabled at (80101): [] __up_console_sem+0xb4/0x100 [ 59.009490][ T5265] hardirqs last disabled at (80102): [] el1_dbg+0x24/0x80 [ 59.010740][ T5265] softirqs last enabled at (80074): [] handle_softirqs+0xa4c/0xbf0 [ 59.012110][ T5265] softirqs last disabled at (80061): [] __irq_exit_rcu+0x240/0x440 [ 59.013462][ T5265] ---[ end trace b5c04df1b2e8d98d ]--- [ 59.016410][ T5265] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 59.149964][ T5287] loop0: detected capacity change from 0 to 32768 [ 59.247679][ T5287] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5287) [ 59.308477][ T5287] FAULT_INJECTION: forcing a failure. [ 59.308477][ T5287] name failslab, interval 1, probability 0, space 0, times 0 [ 59.310506][ T5287] CPU: 0 PID: 5287 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.311986][ T5287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.313507][ T5287] Call trace: [ 59.314045][ T5287] dump_backtrace+0x0/0x43c [ 59.314779][ T5287] show_stack+0x2c/0x3c [ 59.315434][ T5287] __dump_stack+0x30/0x40 [ 59.316087][ T5287] dump_stack_lvl+0xf8/0x160 [ 59.316834][ T5287] dump_stack+0x1c/0x5c [ 59.317502][ T5287] should_fail+0x3c0/0x51c [ 59.318179][ T5287] __should_failslab+0xbc/0x10c [ 59.319017][ T5287] should_failslab+0x10/0x28 [ 59.319769][ T5287] slab_pre_alloc_hook+0x64/0xec [ 59.320552][ T5287] kmem_cache_alloc+0x94/0x3e4 [ 59.321301][ T5287] btrfs_alloc_path+0x5c/0x68 [ 59.322083][ T5287] __btrfs_run_delayed_refs+0xd70/0x3354 [ 59.323043][ T5287] btrfs_run_delayed_refs+0x124/0x46c [ 59.323971][ T5287] btrfs_commit_transaction+0x1b8/0x3044 [ 59.324914][ T5287] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.325746][ T5287] btrfs_ioctl+0x5f0/0xb38 [ 59.326475][ T5287] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.327320][ T5287] invoke_syscall+0x98/0x2b8 [ 59.328092][ T5287] el0_svc_common+0x138/0x258 [ 59.328872][ T5287] do_el0_svc+0x58/0x14c [ 59.329580][ T5287] el0_svc+0x78/0x1e0 [ 59.330239][ T5287] el0t_64_sync_handler+0xcc/0xe4 [ 59.331073][ T5287] el0t_64_sync+0x1a0/0x1a4 [ 59.332580][ T5287] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 59.334590][ T5287] ------------[ cut here ]------------ [ 59.335465][ T5287] WARNING: CPU: 0 PID: 5287 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 59.336941][ T5287] Modules linked in: [ 59.337510][ T5287] CPU: 0 PID: 5287 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.338881][ T5287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.340340][ T5287] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.341487][ T5287] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 59.342334][ T5287] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 59.343175][ T5287] sp : ffff800021d977d0 [ 59.343764][ T5287] x29: ffff800021d977e0 x28: ffff0000c8d73000 x27: dfff800000000000 [ 59.345007][ T5287] x26: ffff0000c8d73024 x25: ffff0000d85ec000 x24: 1fffe0001bd3873f [ 59.346223][ T5287] x23: 1fffe0001bd3873f x22: ffff0000de9c39f8 x21: 00000000fffffff4 [ 59.347496][ T5287] x20: 0000000000000051 x19: ffff0000de9c39a0 x18: 0000000000000001 [ 59.348665][ T5287] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 59.349878][ T5287] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.351122][ T5287] x11: 0000000000000000 x10: 0000000000000000 x9 : 7d1932b1eeb5c600 [ 59.352430][ T5287] x8 : 7d1932b1eeb5c600 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.353812][ T5287] x5 : ffff800021d970b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 59.355090][ T5287] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.356450][ T5287] Call trace: [ 59.356953][ T5287] btrfs_run_delayed_refs+0x3f4/0x46c [ 59.357806][ T5287] btrfs_commit_transaction+0x1b8/0x3044 [ 59.358744][ T5287] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.359651][ T5287] btrfs_ioctl+0x5f0/0xb38 [ 59.360341][ T5287] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.361114][ T5287] invoke_syscall+0x98/0x2b8 [ 59.361849][ T5287] el0_svc_common+0x138/0x258 [ 59.362568][ T5287] do_el0_svc+0x58/0x14c [ 59.363161][ T5287] el0_svc+0x78/0x1e0 [ 59.363718][ T5287] el0t_64_sync_handler+0xcc/0xe4 [ 59.364571][ T5287] el0t_64_sync+0x1a0/0x1a4 [ 59.365304][ T5287] irq event stamp: 80850 [ 59.365961][ T5287] hardirqs last enabled at (80849): [] __up_console_sem+0xb4/0x100 [ 59.367479][ T5287] hardirqs last disabled at (80850): [] el1_dbg+0x24/0x80 [ 59.368786][ T5287] softirqs last enabled at (80806): [] handle_softirqs+0xa4c/0xbf0 [ 59.370365][ T5287] softirqs last disabled at (80781): [] __irq_exit_rcu+0x240/0x440 [ 59.371834][ T5287] ---[ end trace b5c04df1b2e8d98e ]--- [ 59.375153][ T5287] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory 1970/01/01 00:00:59 executed programs: 31 [ 59.519877][ T5309] loop0: detected capacity change from 0 to 32768 [ 59.529247][ T5309] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5309) [ 59.546378][ T5309] FAULT_INJECTION: forcing a failure. [ 59.546378][ T5309] name failslab, interval 1, probability 0, space 0, times 0 [ 59.548353][ T5309] CPU: 1 PID: 5309 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.549658][ T5309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.551054][ T5309] Call trace: [ 59.551549][ T5309] dump_backtrace+0x0/0x43c [ 59.552273][ T5309] show_stack+0x2c/0x3c [ 59.552903][ T5309] __dump_stack+0x30/0x40 [ 59.553586][ T5309] dump_stack_lvl+0xf8/0x160 [ 59.554325][ T5309] dump_stack+0x1c/0x5c [ 59.554984][ T5309] should_fail+0x3c0/0x51c [ 59.555645][ T5309] __should_failslab+0xbc/0x10c [ 59.556374][ T5309] should_failslab+0x10/0x28 [ 59.557076][ T5309] slab_pre_alloc_hook+0x64/0xec [ 59.557801][ T5309] kmem_cache_alloc+0x94/0x3e4 [ 59.558521][ T5309] btrfs_alloc_path+0x5c/0x68 [ 59.559230][ T5309] __btrfs_run_delayed_refs+0xd70/0x3354 [ 59.560056][ T5309] btrfs_run_delayed_refs+0x124/0x46c [ 59.560844][ T5309] btrfs_commit_transaction+0x1b8/0x3044 [ 59.561736][ T5309] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.562621][ T5309] btrfs_ioctl+0x5f0/0xb38 [ 59.563310][ T5309] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.564109][ T5309] invoke_syscall+0x98/0x2b8 [ 59.564823][ T5309] el0_svc_common+0x138/0x258 [ 59.565566][ T5309] do_el0_svc+0x58/0x14c [ 59.566241][ T5309] el0_svc+0x78/0x1e0 [ 59.566819][ T5309] el0t_64_sync_handler+0xcc/0xe4 [ 59.567548][ T5309] el0t_64_sync+0x1a0/0x1a4 [ 59.568707][ T5309] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 59.570812][ T5309] ------------[ cut here ]------------ [ 59.571780][ T5309] WARNING: CPU: 1 PID: 5309 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 59.573379][ T5309] Modules linked in: [ 59.573966][ T5309] CPU: 1 PID: 5309 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.575363][ T5309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.576990][ T5309] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.578279][ T5309] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 59.579141][ T5309] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 59.580076][ T5309] sp : ffff800021f677d0 [ 59.580743][ T5309] x29: ffff800021f677e0 x28: ffff0000d1ef6000 x27: dfff800000000000 [ 59.582036][ T5309] x26: ffff0000d1ef6024 x25: ffff0000d85ec000 x24: 1fffe0001a419d6b [ 59.583332][ T5309] x23: 1fffe0001a419d6b x22: ffff0000d20ceb58 x21: 00000000fffffff4 [ 59.584682][ T5309] x20: 0000000000000051 x19: ffff0000d20ceb00 x18: 0000000000000001 [ 59.586056][ T5309] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 59.587342][ T5309] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.588602][ T5309] x11: 0000000000000000 x10: 0000000000000000 x9 : 0b0ca91e6ed53e00 [ 59.589864][ T5309] x8 : 0b0ca91e6ed53e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.591192][ T5309] x5 : ffff800021f670b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 59.592532][ T5309] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.593862][ T5309] Call trace: [ 59.594359][ T5309] btrfs_run_delayed_refs+0x3f4/0x46c [ 59.595201][ T5309] btrfs_commit_transaction+0x1b8/0x3044 [ 59.596101][ T5309] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.596873][ T5309] btrfs_ioctl+0x5f0/0xb38 [ 59.597505][ T5309] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.598315][ T5309] invoke_syscall+0x98/0x2b8 [ 59.599050][ T5309] el0_svc_common+0x138/0x258 [ 59.599789][ T5309] do_el0_svc+0x58/0x14c [ 59.600434][ T5309] el0_svc+0x78/0x1e0 [ 59.601095][ T5309] el0t_64_sync_handler+0xcc/0xe4 [ 59.601870][ T5309] el0t_64_sync+0x1a0/0x1a4 [ 59.602581][ T5309] irq event stamp: 81404 [ 59.603268][ T5309] hardirqs last enabled at (81403): [] __up_console_sem+0xb4/0x100 [ 59.604790][ T5309] hardirqs last disabled at (81404): [] el1_dbg+0x24/0x80 [ 59.606165][ T5309] softirqs last enabled at (81362): [] handle_softirqs+0xa4c/0xbf0 [ 59.607689][ T5309] softirqs last disabled at (81205): [] __irq_exit_rcu+0x240/0x440 [ 59.609257][ T5309] ---[ end trace b5c04df1b2e8d98f ]--- [ 59.610763][ T5309] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 59.747914][ T5331] loop0: detected capacity change from 0 to 32768 [ 59.778781][ T5331] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5331) [ 59.797185][ T5331] FAULT_INJECTION: forcing a failure. [ 59.797185][ T5331] name failslab, interval 1, probability 0, space 0, times 0 [ 59.799136][ T5331] CPU: 1 PID: 5331 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.800642][ T5331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.802288][ T5331] Call trace: [ 59.802778][ T5331] dump_backtrace+0x0/0x43c [ 59.803481][ T5331] show_stack+0x2c/0x3c [ 59.804182][ T5331] __dump_stack+0x30/0x40 [ 59.804911][ T5331] dump_stack_lvl+0xf8/0x160 [ 59.805672][ T5331] dump_stack+0x1c/0x5c [ 59.806349][ T5331] should_fail+0x3c0/0x51c [ 59.807073][ T5331] __should_failslab+0xbc/0x10c [ 59.807858][ T5331] should_failslab+0x10/0x28 [ 59.808635][ T5331] slab_pre_alloc_hook+0x64/0xec [ 59.809453][ T5331] kmem_cache_alloc+0x94/0x3e4 [ 59.810216][ T5331] btrfs_alloc_path+0x5c/0x68 [ 59.810927][ T5331] __btrfs_run_delayed_refs+0xd70/0x3354 [ 59.811878][ T5331] btrfs_run_delayed_refs+0x124/0x46c [ 59.812773][ T5331] btrfs_commit_transaction+0x1b8/0x3044 [ 59.813673][ T5331] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.814509][ T5331] btrfs_ioctl+0x5f0/0xb38 [ 59.815180][ T5331] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.815936][ T5331] invoke_syscall+0x98/0x2b8 [ 59.816612][ T5331] el0_svc_common+0x138/0x258 [ 59.817254][ T5331] do_el0_svc+0x58/0x14c [ 59.817918][ T5331] el0_svc+0x78/0x1e0 [ 59.818567][ T5331] el0t_64_sync_handler+0xcc/0xe4 [ 59.819319][ T5331] el0t_64_sync+0x1a0/0x1a4 [ 59.820103][ T5331] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 59.822564][ T5331] ------------[ cut here ]------------ [ 59.823503][ T5331] WARNING: CPU: 1 PID: 5331 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 59.825163][ T5331] Modules linked in: [ 59.825774][ T5331] CPU: 1 PID: 5331 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.827295][ T5331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.828941][ T5331] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.830208][ T5331] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 59.831128][ T5331] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 59.832044][ T5331] sp : ffff800021f677d0 [ 59.832657][ T5331] x29: ffff800021f677e0 x28: ffff0000d1ef5000 x27: dfff800000000000 [ 59.834015][ T5331] x26: ffff0000d1ef5024 x25: ffff0000d85ec000 x24: 1fffe0001a419ca5 [ 59.835321][ T5331] x23: 1fffe0001a419ca5 x22: ffff0000d20ce528 x21: 00000000fffffff4 [ 59.836639][ T5331] x20: 0000000000000051 x19: ffff0000d20ce4d0 x18: 0000000000000001 [ 59.837896][ T5331] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 59.839169][ T5331] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.840387][ T5331] x11: 0000000000000000 x10: 0000000000000000 x9 : a93433c287c21a00 [ 59.841711][ T5331] x8 : a93433c287c21a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.843011][ T5331] x5 : ffff800021f670b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 59.844325][ T5331] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.845660][ T5331] Call trace: [ 59.846220][ T5331] btrfs_run_delayed_refs+0x3f4/0x46c [ 59.847089][ T5331] btrfs_commit_transaction+0x1b8/0x3044 [ 59.847912][ T5331] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 59.848684][ T5331] btrfs_ioctl+0x5f0/0xb38 [ 59.849416][ T5331] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.850237][ T5331] invoke_syscall+0x98/0x2b8 [ 59.851016][ T5331] el0_svc_common+0x138/0x258 [ 59.851762][ T5331] do_el0_svc+0x58/0x14c [ 59.852475][ T5331] el0_svc+0x78/0x1e0 [ 59.853103][ T5331] el0t_64_sync_handler+0xcc/0xe4 [ 59.853845][ T5331] el0t_64_sync+0x1a0/0x1a4 [ 59.854584][ T5331] irq event stamp: 80332 [ 59.855278][ T5331] hardirqs last enabled at (80331): [] __up_console_sem+0xb4/0x100 [ 59.856922][ T5331] hardirqs last disabled at (80332): [] el1_dbg+0x24/0x80 [ 59.858328][ T5331] softirqs last enabled at (80290): [] handle_softirqs+0xa4c/0xbf0 [ 59.859775][ T5331] softirqs last disabled at (80275): [] __irq_exit_rcu+0x240/0x440 [ 59.861176][ T5331] ---[ end trace b5c04df1b2e8d990 ]--- [ 59.862971][ T5331] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 60.001025][ T5353] loop0: detected capacity change from 0 to 32768 [ 60.082205][ T5353] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5353) [ 60.097555][ T5353] FAULT_INJECTION: forcing a failure. [ 60.097555][ T5353] name failslab, interval 1, probability 0, space 0, times 0 [ 60.099486][ T5353] CPU: 0 PID: 5353 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.100735][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.102077][ T5353] Call trace: [ 60.102577][ T5353] dump_backtrace+0x0/0x43c [ 60.103271][ T5353] show_stack+0x2c/0x3c [ 60.103884][ T5353] __dump_stack+0x30/0x40 [ 60.104558][ T5353] dump_stack_lvl+0xf8/0x160 [ 60.105255][ T5353] dump_stack+0x1c/0x5c [ 60.105914][ T5353] should_fail+0x3c0/0x51c [ 60.106611][ T5353] __should_failslab+0xbc/0x10c [ 60.107360][ T5353] should_failslab+0x10/0x28 [ 60.108056][ T5353] slab_pre_alloc_hook+0x64/0xec [ 60.108834][ T5353] kmem_cache_alloc+0x94/0x3e4 [ 60.109577][ T5353] btrfs_alloc_path+0x5c/0x68 [ 60.110285][ T5353] __btrfs_free_extent+0x19c/0x1aa4 [ 60.111102][ T5353] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 60.112038][ T5353] btrfs_run_delayed_refs+0x124/0x46c [ 60.112946][ T5353] btrfs_commit_transaction+0x1b8/0x3044 [ 60.113789][ T5353] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 60.114659][ T5353] btrfs_ioctl+0x5f0/0xb38 [ 60.115342][ T5353] __arm64_sys_ioctl+0x14c/0x1c8 [ 60.116096][ T5353] invoke_syscall+0x98/0x2b8 [ 60.116849][ T5353] el0_svc_common+0x138/0x258 [ 60.117633][ T5353] do_el0_svc+0x58/0x14c [ 60.118316][ T5353] el0_svc+0x78/0x1e0 [ 60.118909][ T5353] el0t_64_sync_handler+0xcc/0xe4 [ 60.119693][ T5353] el0t_64_sync+0x1a0/0x1a4 [ 60.121070][ T5353] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 60.123323][ T5353] ------------[ cut here ]------------ [ 60.124307][ T5353] WARNING: CPU: 0 PID: 5353 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 60.125902][ T5353] Modules linked in: [ 60.126483][ T5353] CPU: 0 PID: 5353 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.127895][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.129484][ T5353] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.130807][ T5353] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 60.131662][ T5353] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 60.132430][ T5353] sp : ffff800021f677d0 [ 60.133099][ T5353] x29: ffff800021f677e0 x28: ffff0000c8d71000 x27: dfff800000000000 [ 60.134460][ T5353] x26: ffff0000c8d71024 x25: ffff0000cb2d8000 x24: 1fffe0001bd386a5 [ 60.135763][ T5353] x23: 1fffe0001bd386a5 x22: ffff0000de9c3528 x21: 00000000fffffff4 [ 60.137025][ T5353] x20: 0000000000000051 x19: ffff0000de9c34d0 x18: 0000000000000001 [ 60.138214][ T5353] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 60.139489][ T5353] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.140743][ T5353] x11: 0000000000000000 x10: 0000000000000000 x9 : b0f1487194bc9b00 [ 60.141935][ T5353] x8 : b0f1487194bc9b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.143218][ T5353] x5 : ffff800021f670b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 60.144557][ T5353] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.145863][ T5353] Call trace: [ 60.146374][ T5353] btrfs_run_delayed_refs+0x3f4/0x46c [ 60.147187][ T5353] btrfs_commit_transaction+0x1b8/0x3044 [ 60.148125][ T5353] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 60.149000][ T5353] btrfs_ioctl+0x5f0/0xb38 [ 60.149659][ T5353] __arm64_sys_ioctl+0x14c/0x1c8 [ 60.150430][ T5353] invoke_syscall+0x98/0x2b8 [ 60.151110][ T5353] el0_svc_common+0x138/0x258 [ 60.151772][ T5353] do_el0_svc+0x58/0x14c [ 60.152384][ T5353] el0_svc+0x78/0x1e0 [ 60.152957][ T5353] el0t_64_sync_handler+0xcc/0xe4 [ 60.153759][ T5353] el0t_64_sync+0x1a0/0x1a4 [ 60.154484][ T5353] irq event stamp: 80232 [ 60.155146][ T5353] hardirqs last enabled at (80231): [] __up_console_sem+0xb4/0x100 [ 60.156635][ T5353] hardirqs last disabled at (80232): [] el1_dbg+0x24/0x80 [ 60.157939][ T5353] softirqs last enabled at (80188): [] handle_softirqs+0xa4c/0xbf0 [ 60.159395][ T5353] softirqs last disabled at (80175): [] __irq_exit_rcu+0x240/0x440 [ 60.160990][ T5353] ---[ end trace b5c04df1b2e8d991 ]--- [ 60.162671][ T5353] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 60.310302][ T5375] loop0: detected capacity change from 0 to 32768 [ 60.314875][ T5375] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5375) [ 60.333009][ T5375] FAULT_INJECTION: forcing a failure. [ 60.333009][ T5375] name failslab, interval 1, probability 0, space 0, times 0 [ 60.334953][ T5375] CPU: 0 PID: 5375 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.336283][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.337778][ T5375] Call trace: [ 60.338280][ T5375] dump_backtrace+0x0/0x43c [ 60.338969][ T5375] show_stack+0x2c/0x3c [ 60.339588][ T5375] __dump_stack+0x30/0x40 [ 60.340308][ T5375] dump_stack_lvl+0xf8/0x160 [ 60.341057][ T5375] dump_stack+0x1c/0x5c [ 60.341683][ T5375] should_fail+0x3c0/0x51c [ 60.342331][ T5375] __should_failslab+0xbc/0x10c [ 60.343081][ T5375] should_failslab+0x10/0x28 [ 60.343776][ T5375] slab_pre_alloc_hook+0x64/0xec [ 60.344531][ T5375] kmem_cache_alloc+0x94/0x3e4 [ 60.345298][ T5375] btrfs_alloc_path+0x5c/0x68 [ 60.346007][ T5375] __btrfs_run_delayed_refs+0xd70/0x3354 [ 60.346895][ T5375] btrfs_run_delayed_refs+0x124/0x46c [ 60.347729][ T5375] btrfs_commit_transaction+0x1b8/0x3044 [ 60.348574][ T5375] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 60.349395][ T5375] btrfs_ioctl+0x5f0/0xb38 [ 60.350067][ T5375] __arm64_sys_ioctl+0x14c/0x1c8 [ 60.350807][ T5375] invoke_syscall+0x98/0x2b8 [ 60.351563][ T5375] el0_svc_common+0x138/0x258 [ 60.352313][ T5375] do_el0_svc+0x58/0x14c [ 60.352996][ T5375] el0_svc+0x78/0x1e0 [ 60.353576][ T5375] el0t_64_sync_handler+0xcc/0xe4 [ 60.354294][ T5375] el0t_64_sync+0x1a0/0x1a4 [ 60.355651][ T5375] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 60.357767][ T5375] ------------[ cut here ]------------ [ 60.358681][ T5375] WARNING: CPU: 0 PID: 5375 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 60.360197][ T5375] Modules linked in: [ 60.360812][ T5375] CPU: 0 PID: 5375 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.362202][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.363789][ T5375] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.365015][ T5375] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 60.365933][ T5375] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 60.366847][ T5375] sp : ffff8000221e77d0 [ 60.367496][ T5375] x29: ffff8000221e77e0 x28: ffff0000c8d70000 x27: dfff800000000000 [ 60.368734][ T5375] x26: ffff0000c8d70024 x25: ffff0000d85ec000 x24: 1fffe0001bd38729 [ 60.370003][ T5375] x23: 1fffe0001bd38729 x22: ffff0000de9c3948 x21: 00000000fffffff4 [ 60.371296][ T5375] x20: 0000000000000051 x19: ffff0000de9c38f0 x18: 0000000000000001 [ 60.372622][ T5375] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 60.373859][ T5375] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.375166][ T5375] x11: 0000000000000000 x10: 0000000000000000 x9 : 022c179182232700 [ 60.376452][ T5375] x8 : 022c179182232700 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.377610][ T5375] x5 : ffff8000221e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 60.378985][ T5375] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.380307][ T5375] Call trace: [ 60.380783][ T5375] btrfs_run_delayed_refs+0x3f4/0x46c [ 60.381661][ T5375] btrfs_commit_transaction+0x1b8/0x3044 [ 60.382578][ T5375] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 60.383409][ T5375] btrfs_ioctl+0x5f0/0xb38 [ 60.384157][ T5375] __arm64_sys_ioctl+0x14c/0x1c8 [ 60.384961][ T5375] invoke_syscall+0x98/0x2b8 [ 60.385733][ T5375] el0_svc_common+0x138/0x258 [ 60.386545][ T5375] do_el0_svc+0x58/0x14c [ 60.387228][ T5375] el0_svc+0x78/0x1e0 [ 60.387891][ T5375] el0t_64_sync_handler+0xcc/0xe4 [ 60.388681][ T5375] el0t_64_sync+0x1a0/0x1a4 [ 60.389374][ T5375] irq event stamp: 80392 [ 60.390054][ T5375] hardirqs last enabled at (80391): [] __up_console_sem+0xb4/0x100 [ 60.391605][ T5375] hardirqs last disabled at (80392): [] el1_dbg+0x24/0x80 [ 60.392968][ T5375] softirqs last enabled at (80364): [] handle_softirqs+0xa4c/0xbf0 [ 60.394365][ T5375] softirqs last disabled at (80355): [] __irq_exit_rcu+0x240/0x440 [ 60.395710][ T5375] ---[ end trace b5c04df1b2e8d992 ]--- [ 60.397452][ T5375] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory