Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "type"="gce" 1970/01/01 00:00:47 parsed 1 programs [ 48.005606][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:47 executed programs: 0 [ 48.080052][ T4346] chnl_net:caif_netlink_parms(): no params data found [ 48.097453][ T4346] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.098617][ T4346] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.099976][ T4346] device bridge_slave_0 entered promiscuous mode [ 48.101808][ T4346] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.102926][ T4346] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.104443][ T4346] device bridge_slave_1 entered promiscuous mode [ 48.112708][ T4346] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.115158][ T4346] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.122423][ T4346] team0: Port device team_slave_0 added [ 48.124228][ T4346] team0: Port device team_slave_1 added [ 48.130286][ T4346] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.131458][ T4346] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.135749][ T4346] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.138129][ T4346] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.139161][ T4346] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.143393][ T4346] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.184671][ T4346] device hsr_slave_0 entered promiscuous mode [ 48.223411][ T4346] device hsr_slave_1 entered promiscuous mode [ 48.847476][ T4346] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.874787][ T4346] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.934659][ T4346] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.974033][ T4346] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.021816][ T4346] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.022942][ T4346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.024271][ T4346] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.025331][ T4346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.042048][ T4346] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.046142][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.047954][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.049436][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.051184][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.056401][ T4346] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.070067][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.071550][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.072686][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.074667][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.076180][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.077312][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.084739][ T4346] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.086312][ T4346] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.090216][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.092123][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.093726][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.095279][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.096790][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.098308][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.099877][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.101474][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.102944][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.105461][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.135737][ T4346] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.144898][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.146061][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.147326][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.148882][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.152271][ T4346] device veth0_vlan entered promiscuous mode [ 49.154258][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.155789][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.160036][ T4346] device veth1_vlan entered promiscuous mode [ 49.161572][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.163223][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.164551][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.172413][ T4346] device veth0_macvtap entered promiscuous mode [ 49.174083][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.175586][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.177051][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.178555][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.181326][ T4346] device veth1_macvtap entered promiscuous mode [ 49.189119][ T4346] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.191460][ T4346] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.193617][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.195155][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.196669][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.198124][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.199630][ T1676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.201719][ T4346] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.202952][ T4346] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.204830][ T4346] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.206125][ T4346] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.356041][ T4507] loop0: detected capacity change from 0 to 32768 [ 49.369270][ T4507] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4507) [ 49.384539][ T4507] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.385991][ T4507] BTRFS info (device loop0): using free space tree [ 49.386903][ T4507] BTRFS info (device loop0): has skinny extents [ 49.447175][ T4507] BTRFS info (device loop0): enabling ssd optimizations [ 49.478581][ T4507] FAULT_INJECTION: forcing a failure. [ 49.478581][ T4507] name failslab, interval 1, probability 0, space 0, times 1 [ 49.481020][ T4507] CPU: 0 PID: 4507 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.482190][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.483789][ T4507] Call trace: [ 49.484288][ T4507] dump_backtrace+0x0/0x43c [ 49.484943][ T4507] show_stack+0x2c/0x3c [ 49.485591][ T4507] __dump_stack+0x30/0x40 [ 49.486239][ T4507] dump_stack_lvl+0xf8/0x160 [ 49.486949][ T4507] dump_stack+0x1c/0x5c [ 49.487576][ T4507] should_fail+0x3c0/0x51c [ 49.488212][ T4507] __should_failslab+0xbc/0x10c [ 49.488882][ T4507] should_failslab+0x10/0x28 [ 49.489583][ T4507] slab_pre_alloc_hook+0x64/0xec [ 49.490314][ T4507] kmem_cache_alloc+0x94/0x3e4 [ 49.491025][ T4507] btrfs_alloc_tree_block+0xa30/0x112c [ 49.491830][ T4507] btrfs_force_cow_block+0x3a8/0x1700 [ 49.492606][ T4507] btrfs_cow_block+0x2d8/0x66c [ 49.493290][ T4507] btrfs_search_slot+0xa10/0x1f4c [ 49.494031][ T4507] btrfs_update_root+0xcc/0x954 [ 49.494749][ T4507] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 49.495577][ T4507] btrfs_ioctl+0x134/0xb38 [ 49.496181][ T4507] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.496889][ T4507] invoke_syscall+0x98/0x2b8 [ 49.497579][ T4507] el0_svc_common+0x138/0x258 [ 49.498284][ T4507] do_el0_svc+0x58/0x14c [ 49.498958][ T4507] el0_svc+0x78/0x1e0 [ 49.499529][ T4507] el0t_64_sync_handler+0xcc/0xe4 [ 49.500256][ T4507] el0t_64_sync+0x1a0/0x1a4 [ 49.542704][ T4346] ------------[ cut here ]------------ [ 49.543565][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 49.545303][ T4346] Modules linked in: [ 49.545839][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.546943][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.548397][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.549535][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 49.550559][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 49.551510][ T4346] sp : ffff80001f947740 [ 49.552191][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe00018255b0c [ 49.553343][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 49.554536][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 49.555669][ T4346] x20: ffff0000c12ad860 x19: 0000000000000000 x18: 0000000000000000 [ 49.556804][ T4346] x17: ffff800016d27000 x16: ffff8000111ceed0 x15: ffff800016807500 [ 49.558025][ T4346] x14: ffff0000d7278a00 x13: dfff800000000000 x12: 0000000000ff0100 [ 49.559280][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 49.560511][ T4346] x8 : ffff0000d7278000 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.561719][ T4346] x5 : ffff800016ed3340 x4 : 0000000000000008 x3 : ffff8000082d60c8 [ 49.562914][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 49.564009][ T4346] Call trace: [ 49.564506][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 49.565483][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 49.566304][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 49.567149][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 49.567884][ T4346] close_ctree+0x608/0x84c [ 49.568507][ T4346] btrfs_put_super+0x40/0x50 [ 49.569148][ T4346] generic_shutdown_super+0x130/0x2f0 [ 49.569890][ T4346] kill_anon_super+0x4c/0x80 [ 49.570478][ T4346] btrfs_kill_super+0x40/0x58 [ 49.571202][ T4346] deactivate_locked_super+0xb8/0x13c [ 49.571977][ T4346] deactivate_super+0xf8/0x118 [ 49.572668][ T4346] cleanup_mnt+0x3a4/0x458 [ 49.573326][ T4346] __cleanup_mnt+0x20/0x30 [ 49.573972][ T4346] task_work_run+0x12c/0x1e0 [ 49.574639][ T4346] do_notify_resume+0x24b4/0x3128 [ 49.575373][ T4346] el0_svc+0xf0/0x1e0 [ 49.575921][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 49.576576][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 49.577218][ T4346] irq event stamp: 120802 [ 49.577811][ T4346] hardirqs last enabled at (120801): [] kasan_quarantine_put+0xc4/0x204 [ 49.579361][ T4346] hardirqs last disabled at (120802): [] el1_dbg+0x24/0x80 [ 49.580653][ T4346] softirqs last enabled at (119666): [] local_bh_enable+0x10/0x34 [ 49.582004][ T4346] softirqs last disabled at (119664): [] local_bh_disable+0x10/0x34 [ 49.583354][ T4346] ---[ end trace 1aefd6744f39349e ]--- [ 49.757178][ T4590] loop0: detected capacity change from 0 to 32768 [ 49.764737][ T4590] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4590) [ 49.769387][ T4590] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.770833][ T4590] BTRFS info (device loop0): using free space tree [ 49.772017][ T4590] BTRFS info (device loop0): has skinny extents [ 49.834441][ T4590] BTRFS info (device loop0): enabling ssd optimizations [ 49.857289][ T4590] FAULT_INJECTION: forcing a failure. [ 49.857289][ T4590] name failslab, interval 1, probability 0, space 0, times 0 [ 49.859388][ T4590] CPU: 0 PID: 4590 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.860811][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.862380][ T4590] Call trace: [ 49.862864][ T4590] dump_backtrace+0x0/0x43c [ 49.863602][ T4590] show_stack+0x2c/0x3c [ 49.864281][ T4590] __dump_stack+0x30/0x40 [ 49.864907][ T4590] dump_stack_lvl+0xf8/0x160 [ 49.865547][ T4590] dump_stack+0x1c/0x5c [ 49.866101][ T4590] should_fail+0x3c0/0x51c [ 49.866794][ T4590] __should_failslab+0xbc/0x10c [ 49.867508][ T4590] should_failslab+0x10/0x28 [ 49.868168][ T4590] slab_pre_alloc_hook+0x64/0xec [ 49.868910][ T4590] kmem_cache_alloc+0x94/0x3e4 [ 49.869624][ T4590] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 49.870442][ T4590] btrfs_alloc_tree_block+0xb8c/0x112c [ 49.871286][ T4590] btrfs_force_cow_block+0x3a8/0x1700 [ 49.872119][ T4590] btrfs_cow_block+0x2d8/0x66c [ 49.872745][ T4590] btrfs_search_slot+0xa10/0x1f4c [ 49.873483][ T4590] btrfs_update_root+0xcc/0x954 [ 49.874168][ T4590] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 49.874962][ T4590] btrfs_ioctl+0x134/0xb38 [ 49.875602][ T4590] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.876386][ T4590] invoke_syscall+0x98/0x2b8 [ 49.877047][ T4590] el0_svc_common+0x138/0x258 [ 49.877728][ T4590] do_el0_svc+0x58/0x14c [ 49.878450][ T4590] el0_svc+0x78/0x1e0 [ 49.879055][ T4590] el0t_64_sync_handler+0xcc/0xe4 [ 49.879769][ T4590] el0t_64_sync+0x1a0/0x1a4 [ 49.915450][ T4346] ------------[ cut here ]------------ [ 49.916365][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 49.918037][ T4346] Modules linked in: [ 49.918634][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.920009][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.921494][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.922664][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 49.923773][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 49.924835][ T4346] sp : ffff80001f947740 [ 49.925411][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001b1aa40c [ 49.926595][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 49.927785][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 49.928927][ T4346] x20: ffff0000d8d52060 x19: 0000000000000000 x18: 0000000000000000 [ 49.930136][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 49.931329][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 49.932426][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 49.933619][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 49.934833][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 49.935975][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 49.937137][ T4346] Call trace: [ 49.937638][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 49.938609][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 49.939400][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 49.940313][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 49.941084][ T4346] close_ctree+0x608/0x84c [ 49.941728][ T4346] btrfs_put_super+0x40/0x50 [ 49.942392][ T4346] generic_shutdown_super+0x130/0x2f0 [ 49.943224][ T4346] kill_anon_super+0x4c/0x80 [ 49.943901][ T4346] btrfs_kill_super+0x40/0x58 [ 49.944565][ T4346] deactivate_locked_super+0xb8/0x13c [ 49.945370][ T4346] deactivate_super+0xf8/0x118 [ 49.946099][ T4346] cleanup_mnt+0x3a4/0x458 [ 49.946759][ T4346] __cleanup_mnt+0x20/0x30 [ 49.947396][ T4346] task_work_run+0x12c/0x1e0 [ 49.948094][ T4346] do_notify_resume+0x24b4/0x3128 [ 49.948813][ T4346] el0_svc+0xf0/0x1e0 [ 49.949372][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 49.950134][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 49.950814][ T4346] irq event stamp: 141244 [ 49.951438][ T4346] hardirqs last enabled at (141243): [] kasan_quarantine_put+0xc4/0x204 [ 49.952946][ T4346] hardirqs last disabled at (141244): [] el1_dbg+0x24/0x80 [ 49.954221][ T4346] softirqs last enabled at (140846): [] handle_softirqs+0xa4c/0xbf0 [ 49.955621][ T4346] softirqs last disabled at (140709): [] __irq_exit_rcu+0x240/0x440 [ 49.957110][ T4346] ---[ end trace 1aefd6744f39349f ]--- [ 50.103520][ T4580] Bluetooth: hci0: command 0x0409 tx timeout [ 50.144098][ T4665] loop0: detected capacity change from 0 to 32768 [ 50.238556][ T4665] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4665) [ 50.241578][ T4665] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.242959][ T4665] BTRFS info (device loop0): using free space tree [ 50.243996][ T4665] BTRFS info (device loop0): has skinny extents [ 50.283760][ T4665] BTRFS info (device loop0): enabling ssd optimizations [ 50.290501][ T4665] FAULT_INJECTION: forcing a failure. [ 50.290501][ T4665] name failslab, interval 1, probability 0, space 0, times 0 [ 50.292569][ T4665] CPU: 1 PID: 4665 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.293943][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.295463][ T4665] Call trace: [ 50.295943][ T4665] dump_backtrace+0x0/0x43c [ 50.296628][ T4665] show_stack+0x2c/0x3c [ 50.297294][ T4665] __dump_stack+0x30/0x40 [ 50.297960][ T4665] dump_stack_lvl+0xf8/0x160 [ 50.298676][ T4665] dump_stack+0x1c/0x5c [ 50.299305][ T4665] should_fail+0x3c0/0x51c [ 50.299947][ T4665] __should_failslab+0xbc/0x10c [ 50.300741][ T4665] should_failslab+0x10/0x28 [ 50.301400][ T4665] slab_pre_alloc_hook+0x64/0xec [ 50.302146][ T4665] kmem_cache_alloc+0x94/0x3e4 [ 50.302815][ T4665] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 50.303634][ T4665] btrfs_alloc_tree_block+0xb8c/0x112c [ 50.304451][ T4665] btrfs_force_cow_block+0x3a8/0x1700 [ 50.305265][ T4665] btrfs_cow_block+0x2d8/0x66c [ 50.305975][ T4665] btrfs_search_slot+0xa10/0x1f4c [ 50.306726][ T4665] btrfs_update_root+0xcc/0x954 [ 50.307373][ T4665] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 50.308262][ T4665] btrfs_ioctl+0x134/0xb38 [ 50.308921][ T4665] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.309634][ T4665] invoke_syscall+0x98/0x2b8 [ 50.310226][ T4665] el0_svc_common+0x138/0x258 [ 50.310917][ T4665] do_el0_svc+0x58/0x14c [ 50.311535][ T4665] el0_svc+0x78/0x1e0 [ 50.312071][ T4665] el0t_64_sync_handler+0xcc/0xe4 [ 50.312778][ T4665] el0t_64_sync+0x1a0/0x1a4 [ 50.374618][ T4346] ------------[ cut here ]------------ [ 50.375493][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 50.377198][ T4346] Modules linked in: [ 50.377780][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.379219][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.380692][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.381903][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 50.382946][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 50.383970][ T4346] sp : ffff80001f947740 [ 50.384602][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe00019d9c40c [ 50.385878][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 50.387010][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 50.388336][ T4346] x20: ffff0000cece2060 x19: 0000000000000000 x18: 0000000000000000 [ 50.389608][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 50.390855][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 50.392043][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 50.393319][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 50.394486][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 50.395717][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 50.396917][ T4346] Call trace: [ 50.397421][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 50.398384][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 50.399210][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 50.400186][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 50.401008][ T4346] close_ctree+0x608/0x84c [ 50.401665][ T4346] btrfs_put_super+0x40/0x50 [ 50.402331][ T4346] generic_shutdown_super+0x130/0x2f0 [ 50.403174][ T4346] kill_anon_super+0x4c/0x80 [ 50.403837][ T4346] btrfs_kill_super+0x40/0x58 [ 50.404518][ T4346] deactivate_locked_super+0xb8/0x13c [ 50.405311][ T4346] deactivate_super+0xf8/0x118 [ 50.405975][ T4346] cleanup_mnt+0x3a4/0x458 [ 50.406516][ T4346] __cleanup_mnt+0x20/0x30 [ 50.407175][ T4346] task_work_run+0x12c/0x1e0 [ 50.407829][ T4346] do_notify_resume+0x24b4/0x3128 [ 50.408536][ T4346] el0_svc+0xf0/0x1e0 [ 50.409128][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 50.409959][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 50.410622][ T4346] irq event stamp: 160832 [ 50.411301][ T4346] hardirqs last enabled at (160831): [] kasan_quarantine_put+0xc4/0x204 [ 50.412886][ T4346] hardirqs last disabled at (160832): [] el1_dbg+0x24/0x80 [ 50.414163][ T4346] softirqs last enabled at (159782): [] local_bh_enable+0x10/0x34 [ 50.415574][ T4346] softirqs last disabled at (159780): [] local_bh_disable+0x10/0x34 [ 50.417002][ T4346] ---[ end trace 1aefd6744f3934a0 ]--- [ 50.548319][ T4737] loop0: detected capacity change from 0 to 32768 [ 50.624339][ T4737] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4737) [ 50.677597][ T4737] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.679102][ T4737] BTRFS info (device loop0): using free space tree [ 50.680102][ T4737] BTRFS info (device loop0): has skinny extents [ 50.732132][ T4737] BTRFS info (device loop0): enabling ssd optimizations [ 50.739962][ T4737] FAULT_INJECTION: forcing a failure. [ 50.739962][ T4737] name failslab, interval 1, probability 0, space 0, times 0 [ 50.741971][ T4737] CPU: 1 PID: 4737 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.743278][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.744859][ T4737] Call trace: [ 50.745309][ T4737] dump_backtrace+0x0/0x43c [ 50.746053][ T4737] show_stack+0x2c/0x3c [ 50.746710][ T4737] __dump_stack+0x30/0x40 [ 50.747361][ T4737] dump_stack_lvl+0xf8/0x160 [ 50.748051][ T4737] dump_stack+0x1c/0x5c [ 50.748649][ T4737] should_fail+0x3c0/0x51c [ 50.749293][ T4737] __should_failslab+0xbc/0x10c [ 50.749993][ T4737] should_failslab+0x10/0x28 [ 50.750657][ T4737] slab_pre_alloc_hook+0x64/0xec [ 50.751405][ T4737] kmem_cache_alloc+0x94/0x3e4 [ 50.752055][ T4737] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 50.752838][ T4737] btrfs_alloc_tree_block+0xb8c/0x112c [ 50.753572][ T4737] btrfs_force_cow_block+0x3a8/0x1700 [ 50.754386][ T4737] btrfs_cow_block+0x2d8/0x66c [ 50.755061][ T4737] btrfs_search_slot+0xa10/0x1f4c [ 50.755785][ T4737] btrfs_update_root+0xcc/0x954 [ 50.756513][ T4737] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 50.757317][ T4737] btrfs_ioctl+0x134/0xb38 [ 50.757952][ T4737] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.758656][ T4737] invoke_syscall+0x98/0x2b8 [ 50.759311][ T4737] el0_svc_common+0x138/0x258 [ 50.759990][ T4737] do_el0_svc+0x58/0x14c [ 50.760616][ T4737] el0_svc+0x78/0x1e0 [ 50.761189][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 50.761870][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 50.821565][ T4346] ------------[ cut here ]------------ [ 50.822503][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 50.824341][ T4346] Modules linked in: [ 50.824996][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.826365][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.828031][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.829312][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 50.830361][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 50.831398][ T4346] sp : ffff80001f947740 [ 50.832030][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001a8aca0c [ 50.833177][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 50.834346][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 50.835516][ T4346] x20: ffff0000d4565060 x19: 0000000000000000 x18: 0000000000000000 [ 50.836808][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 50.838035][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 50.839206][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 50.840424][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 50.841597][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 50.842730][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 50.843975][ T4346] Call trace: [ 50.844466][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 50.845445][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 50.846271][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 50.847177][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 50.847989][ T4346] close_ctree+0x608/0x84c [ 50.848670][ T4346] btrfs_put_super+0x40/0x50 [ 50.849399][ T4346] generic_shutdown_super+0x130/0x2f0 [ 50.850263][ T4346] kill_anon_super+0x4c/0x80 [ 50.851034][ T4346] btrfs_kill_super+0x40/0x58 [ 50.851802][ T4346] deactivate_locked_super+0xb8/0x13c [ 50.852645][ T4346] deactivate_super+0xf8/0x118 [ 50.853392][ T4346] cleanup_mnt+0x3a4/0x458 [ 50.854051][ T4346] __cleanup_mnt+0x20/0x30 [ 50.854768][ T4346] task_work_run+0x12c/0x1e0 [ 50.855470][ T4346] do_notify_resume+0x24b4/0x3128 [ 50.856216][ T4346] el0_svc+0xf0/0x1e0 [ 50.856800][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 50.857580][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 50.858269][ T4346] irq event stamp: 172120 [ 50.858905][ T4346] hardirqs last enabled at (172119): [] kasan_quarantine_put+0xc4/0x204 [ 50.860366][ T4346] hardirqs last disabled at (172120): [] el1_dbg+0x24/0x80 [ 50.861755][ T4346] softirqs last enabled at (171754): [] handle_softirqs+0xa4c/0xbf0 [ 50.863308][ T4346] softirqs last disabled at (171733): [] __irq_exit_rcu+0x240/0x440 [ 50.864848][ T4346] ---[ end trace 1aefd6744f3934a1 ]--- [ 50.999930][ T4801] loop0: detected capacity change from 0 to 32768 [ 51.003480][ T4801] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4801) [ 51.056611][ T4801] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.058220][ T4801] BTRFS info (device loop0): using free space tree [ 51.059419][ T4801] BTRFS info (device loop0): has skinny extents [ 51.069504][ T4801] BTRFS info (device loop0): enabling ssd optimizations [ 51.076593][ T4801] FAULT_INJECTION: forcing a failure. [ 51.076593][ T4801] name failslab, interval 1, probability 0, space 0, times 0 [ 51.078599][ T4801] CPU: 0 PID: 4801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.079999][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.081591][ T4801] Call trace: [ 51.082083][ T4801] dump_backtrace+0x0/0x43c [ 51.082751][ T4801] show_stack+0x2c/0x3c [ 51.083379][ T4801] __dump_stack+0x30/0x40 [ 51.084055][ T4801] dump_stack_lvl+0xf8/0x160 [ 51.084689][ T4801] dump_stack+0x1c/0x5c [ 51.085283][ T4801] should_fail+0x3c0/0x51c [ 51.085935][ T4801] __should_failslab+0xbc/0x10c [ 51.086678][ T4801] should_failslab+0x10/0x28 [ 51.087398][ T4801] slab_pre_alloc_hook+0x64/0xec [ 51.088085][ T4801] kmem_cache_alloc+0x94/0x3e4 [ 51.088766][ T4801] btrfs_alloc_tree_block+0xa30/0x112c [ 51.089526][ T4801] btrfs_force_cow_block+0x3a8/0x1700 [ 51.090298][ T4801] btrfs_cow_block+0x2d8/0x66c [ 51.091073][ T4801] btrfs_search_slot+0xa10/0x1f4c [ 51.091824][ T4801] btrfs_update_root+0xcc/0x954 [ 51.092548][ T4801] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 51.093378][ T4801] btrfs_ioctl+0x134/0xb38 [ 51.093957][ T4801] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.094648][ T4801] invoke_syscall+0x98/0x2b8 [ 51.095283][ T4801] el0_svc_common+0x138/0x258 [ 51.095896][ T4801] do_el0_svc+0x58/0x14c [ 51.096474][ T4801] el0_svc+0x78/0x1e0 [ 51.097048][ T4801] el0t_64_sync_handler+0xcc/0xe4 [ 51.097721][ T4801] el0t_64_sync+0x1a0/0x1a4 [ 51.150206][ T4346] ------------[ cut here ]------------ [ 51.151153][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.152923][ T4346] Modules linked in: [ 51.153560][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.154917][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.156373][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.157532][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.158615][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 51.159646][ T4346] sp : ffff80001f947740 [ 51.160297][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001928b90c [ 51.161511][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 51.162740][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 51.164054][ T4346] x20: ffff0000c945c860 x19: 0000000000000000 x18: 0000000000000000 [ 51.165286][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 51.166556][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 51.167771][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 51.168925][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 51.170088][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 51.171219][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 51.172361][ T4346] Call trace: [ 51.172838][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.173840][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 51.174621][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 51.175450][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 51.176238][ T4346] close_ctree+0x608/0x84c [ 51.176901][ T4346] btrfs_put_super+0x40/0x50 [ 51.177585][ T4346] generic_shutdown_super+0x130/0x2f0 [ 51.178350][ T4346] kill_anon_super+0x4c/0x80 [ 51.178975][ T4346] btrfs_kill_super+0x40/0x58 [ 51.179623][ T4346] deactivate_locked_super+0xb8/0x13c [ 51.180365][ T4346] deactivate_super+0xf8/0x118 [ 51.181010][ T4346] cleanup_mnt+0x3a4/0x458 [ 51.181602][ T4346] __cleanup_mnt+0x20/0x30 [ 51.182241][ T4346] task_work_run+0x12c/0x1e0 [ 51.182898][ T4346] do_notify_resume+0x24b4/0x3128 [ 51.183660][ T4346] el0_svc+0xf0/0x1e0 [ 51.184276][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 51.185034][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 51.185678][ T4346] irq event stamp: 180936 [ 51.186238][ T4346] hardirqs last enabled at (180935): [] kasan_quarantine_put+0xc4/0x204 [ 51.187647][ T4346] hardirqs last disabled at (180936): [] el1_dbg+0x24/0x80 [ 51.188874][ T4346] softirqs last enabled at (180046): [] local_bh_enable+0x10/0x34 [ 51.190213][ T4346] softirqs last disabled at (180044): [] local_bh_disable+0x10/0x34 [ 51.191556][ T4346] ---[ end trace 1aefd6744f3934a2 ]--- [ 51.423896][ T4864] loop0: detected capacity change from 0 to 32768 [ 51.468570][ T4864] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4864) [ 51.471967][ T4864] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.473988][ T4864] BTRFS info (device loop0): using free space tree [ 51.475065][ T4864] BTRFS info (device loop0): has skinny extents [ 51.482613][ T4864] BTRFS info (device loop0): enabling ssd optimizations [ 51.489344][ T4864] FAULT_INJECTION: forcing a failure. [ 51.489344][ T4864] name failslab, interval 1, probability 0, space 0, times 0 [ 51.491376][ T4864] CPU: 1 PID: 4864 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.492659][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.494169][ T4864] Call trace: [ 51.494655][ T4864] dump_backtrace+0x0/0x43c [ 51.495344][ T4864] show_stack+0x2c/0x3c [ 51.495929][ T4864] __dump_stack+0x30/0x40 [ 51.496672][ T4864] dump_stack_lvl+0xf8/0x160 [ 51.497482][ T4864] dump_stack+0x1c/0x5c [ 51.498192][ T4864] should_fail+0x3c0/0x51c [ 51.498944][ T4864] __should_failslab+0xbc/0x10c [ 51.499761][ T4864] should_failslab+0x10/0x28 [ 51.500547][ T4864] slab_pre_alloc_hook+0x64/0xec [ 51.501378][ T4864] kmem_cache_alloc+0x94/0x3e4 [ 51.502148][ T4864] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 51.503100][ T4864] btrfs_alloc_tree_block+0xb8c/0x112c [ 51.503982][ T4864] btrfs_force_cow_block+0x3a8/0x1700 [ 51.504785][ T4864] btrfs_cow_block+0x2d8/0x66c [ 51.505543][ T4864] btrfs_search_slot+0xa10/0x1f4c [ 51.506326][ T4864] btrfs_update_root+0xcc/0x954 [ 51.507013][ T4864] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 51.507935][ T4864] btrfs_ioctl+0x134/0xb38 [ 51.508581][ T4864] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.509286][ T4864] invoke_syscall+0x98/0x2b8 [ 51.509950][ T4864] el0_svc_common+0x138/0x258 [ 51.510686][ T4864] do_el0_svc+0x58/0x14c [ 51.511313][ T4864] el0_svc+0x78/0x1e0 [ 51.511831][ T4864] el0t_64_sync_handler+0xcc/0xe4 [ 51.512542][ T4864] el0t_64_sync+0x1a0/0x1a4 [ 51.545215][ T4346] ------------[ cut here ]------------ [ 51.546092][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.547668][ T4346] Modules linked in: [ 51.548177][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.549402][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.550747][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.551825][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.552791][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 51.553859][ T4346] sp : ffff80001f947740 [ 51.554474][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001ae7440c [ 51.555702][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 51.556932][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 51.558128][ T4346] x20: ffff0000d73a2060 x19: 0000000000000000 x18: 0000000000000000 [ 51.559297][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 51.560485][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 51.561627][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 51.562772][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 51.563958][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 51.565195][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 51.566270][ T4346] Call trace: [ 51.566747][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.567754][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 51.568596][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 51.569479][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 51.570298][ T4346] close_ctree+0x608/0x84c [ 51.570970][ T4346] btrfs_put_super+0x40/0x50 [ 51.571660][ T4346] generic_shutdown_super+0x130/0x2f0 [ 51.572523][ T4346] kill_anon_super+0x4c/0x80 [ 51.573268][ T4346] btrfs_kill_super+0x40/0x58 [ 51.573991][ T4346] deactivate_locked_super+0xb8/0x13c [ 51.574798][ T4346] deactivate_super+0xf8/0x118 [ 51.575476][ T4346] cleanup_mnt+0x3a4/0x458 [ 51.576175][ T4346] __cleanup_mnt+0x20/0x30 [ 51.576828][ T4346] task_work_run+0x12c/0x1e0 [ 51.577531][ T4346] do_notify_resume+0x24b4/0x3128 [ 51.578336][ T4346] el0_svc+0xf0/0x1e0 [ 51.578948][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 51.579754][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 51.580428][ T4346] irq event stamp: 199996 [ 51.581067][ T4346] hardirqs last enabled at (199995): [] kasan_quarantine_put+0xc4/0x204 [ 51.582533][ T4346] hardirqs last disabled at (199996): [] el1_dbg+0x24/0x80 [ 51.583805][ T4346] softirqs last enabled at (198728): [] local_bh_enable+0x10/0x34 [ 51.585245][ T4346] softirqs last disabled at (198726): [] local_bh_disable+0x10/0x34 [ 51.586626][ T4346] ---[ end trace 1aefd6744f3934a3 ]--- [ 51.722739][ T4891] loop0: detected capacity change from 0 to 32768 [ 51.768894][ T4891] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4891) [ 51.773777][ T4891] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.774975][ T4891] BTRFS info (device loop0): using free space tree [ 51.775908][ T4891] BTRFS info (device loop0): has skinny extents [ 51.782762][ T4891] BTRFS info (device loop0): enabling ssd optimizations [ 51.790002][ T4891] FAULT_INJECTION: forcing a failure. [ 51.790002][ T4891] name failslab, interval 1, probability 0, space 0, times 0 [ 51.792155][ T4891] CPU: 1 PID: 4891 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.793487][ T4891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.795047][ T4891] Call trace: [ 51.795513][ T4891] dump_backtrace+0x0/0x43c [ 51.796154][ T4891] show_stack+0x2c/0x3c [ 51.796752][ T4891] __dump_stack+0x30/0x40 [ 51.797383][ T4891] dump_stack_lvl+0xf8/0x160 [ 51.798058][ T4891] dump_stack+0x1c/0x5c [ 51.798636][ T4891] should_fail+0x3c0/0x51c [ 51.799229][ T4891] __should_failslab+0xbc/0x10c [ 51.799940][ T4891] should_failslab+0x10/0x28 [ 51.800573][ T4891] slab_pre_alloc_hook+0x64/0xec [ 51.801300][ T4891] kmem_cache_alloc+0x94/0x3e4 [ 51.801994][ T4891] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 51.802855][ T4891] btrfs_alloc_tree_block+0xb8c/0x112c [ 51.803586][ T4891] btrfs_force_cow_block+0x3a8/0x1700 [ 51.804409][ T4891] btrfs_cow_block+0x2d8/0x66c [ 51.805091][ T4891] btrfs_search_slot+0xa10/0x1f4c [ 51.805836][ T4891] btrfs_update_root+0xcc/0x954 [ 51.806492][ T4891] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 51.807400][ T4891] btrfs_ioctl+0x134/0xb38 [ 51.808046][ T4891] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.808703][ T4891] invoke_syscall+0x98/0x2b8 [ 51.809366][ T4891] el0_svc_common+0x138/0x258 [ 51.810025][ T4891] do_el0_svc+0x58/0x14c [ 51.810604][ T4891] el0_svc+0x78/0x1e0 [ 51.811130][ T4891] el0t_64_sync_handler+0xcc/0xe4 [ 51.811798][ T4891] el0t_64_sync+0x1a0/0x1a4 [ 51.842139][ T4346] ------------[ cut here ]------------ [ 51.843113][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.844914][ T4346] Modules linked in: [ 51.845521][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.846882][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.848296][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.849382][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.850368][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 51.851318][ T4346] sp : ffff80001f947740 [ 51.851960][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001b55900c [ 51.853123][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 51.854483][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 51.855720][ T4346] x20: ffff0000daac8060 x19: 0000000000000000 x18: 0000000000000000 [ 51.856944][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 51.858233][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 51.859478][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 51.860739][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 51.861884][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 51.863080][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 51.864459][ T4346] Call trace: [ 51.865035][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 51.866104][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 51.866885][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 51.867884][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 51.868743][ T4346] close_ctree+0x608/0x84c [ 51.869370][ T4346] btrfs_put_super+0x40/0x50 [ 51.870104][ T4346] generic_shutdown_super+0x130/0x2f0 [ 51.870862][ T4346] kill_anon_super+0x4c/0x80 [ 51.871579][ T4346] btrfs_kill_super+0x40/0x58 [ 51.872288][ T4346] deactivate_locked_super+0xb8/0x13c [ 51.873069][ T4346] deactivate_super+0xf8/0x118 [ 51.873797][ T4346] cleanup_mnt+0x3a4/0x458 [ 51.874492][ T4346] __cleanup_mnt+0x20/0x30 [ 51.875139][ T4346] task_work_run+0x12c/0x1e0 [ 51.875862][ T4346] do_notify_resume+0x24b4/0x3128 [ 51.876612][ T4346] el0_svc+0xf0/0x1e0 [ 51.877204][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 51.877922][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 51.878550][ T4346] irq event stamp: 218200 [ 51.879163][ T4346] hardirqs last enabled at (218199): [] kasan_quarantine_put+0xc4/0x204 [ 51.880520][ T4346] hardirqs last disabled at (218200): [] el1_dbg+0x24/0x80 [ 51.881921][ T4346] softirqs last enabled at (217158): [] local_bh_enable+0x10/0x34 [ 51.883270][ T4346] softirqs last disabled at (217156): [] local_bh_disable+0x10/0x34 [ 51.884571][ T4346] ---[ end trace 1aefd6744f3934a4 ]--- [ 51.997678][ T4913] loop0: detected capacity change from 0 to 32768 [ 52.087719][ T4913] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4913) [ 52.091149][ T4913] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.092583][ T4913] BTRFS info (device loop0): using free space tree [ 52.093586][ T4913] BTRFS info (device loop0): has skinny extents [ 52.102397][ T4913] BTRFS info (device loop0): enabling ssd optimizations [ 52.108016][ T4913] FAULT_INJECTION: forcing a failure. [ 52.108016][ T4913] name failslab, interval 1, probability 0, space 0, times 0 [ 52.110134][ T4913] CPU: 1 PID: 4913 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.111442][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.113018][ T4913] Call trace: [ 52.113485][ T4913] dump_backtrace+0x0/0x43c [ 52.114135][ T4913] show_stack+0x2c/0x3c [ 52.114741][ T4913] __dump_stack+0x30/0x40 [ 52.115372][ T4913] dump_stack_lvl+0xf8/0x160 [ 52.116029][ T4913] dump_stack+0x1c/0x5c [ 52.116660][ T4913] should_fail+0x3c0/0x51c [ 52.117306][ T4913] __should_failslab+0xbc/0x10c [ 52.117993][ T4913] should_failslab+0x10/0x28 [ 52.118659][ T4913] slab_pre_alloc_hook+0x64/0xec [ 52.119345][ T4913] kmem_cache_alloc+0x94/0x3e4 [ 52.120023][ T4913] btrfs_alloc_tree_block+0xa30/0x112c [ 52.120831][ T4913] btrfs_force_cow_block+0x3a8/0x1700 [ 52.121639][ T4913] btrfs_cow_block+0x2d8/0x66c [ 52.122362][ T4913] btrfs_search_slot+0xa10/0x1f4c [ 52.123094][ T4913] btrfs_update_root+0xcc/0x954 [ 52.123772][ T4913] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 52.124703][ T4913] btrfs_ioctl+0x134/0xb38 [ 52.125331][ T4913] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.126037][ T4913] invoke_syscall+0x98/0x2b8 [ 52.126732][ T4913] el0_svc_common+0x138/0x258 [ 52.127412][ T4913] do_el0_svc+0x58/0x14c [ 52.128006][ T4913] el0_svc+0x78/0x1e0 [ 52.128560][ T4913] el0t_64_sync_handler+0xcc/0xe4 [ 52.129257][ T4913] el0t_64_sync+0x1a0/0x1a4 [ 52.160281][ T4346] ------------[ cut here ]------------ [ 52.161082][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 52.162815][ T4346] Modules linked in: [ 52.163452][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.164783][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.166335][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.167515][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 52.168604][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 52.169666][ T4346] sp : ffff80001f947740 [ 52.170305][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001aa1c40c [ 52.171504][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 52.172675][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 52.173901][ T4346] x20: ffff0000d50e2060 x19: 0000000000000000 x18: 0000000000000000 [ 52.175091][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 52.176326][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 52.177534][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 52.178671][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 52.179797][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 52.181189][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 52.182434][ T4346] Call trace: [ 52.182935][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 52.184000][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 52.184906][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 52.185805][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 52.186624][ T4346] close_ctree+0x608/0x84c [ 52.187296][ T4346] btrfs_put_super+0x40/0x50 [ 52.187977][ T4346] generic_shutdown_super+0x130/0x2f0 [ 52.188802][ T4346] kill_anon_super+0x4c/0x80 [ 52.189483][ T4346] btrfs_kill_super+0x40/0x58 [ 52.190198][ T4346] deactivate_locked_super+0xb8/0x13c [ 52.191048][ T4346] deactivate_super+0xf8/0x118 [ 52.191833][ T4346] cleanup_mnt+0x3a4/0x458 [ 52.192557][ T4346] __cleanup_mnt+0x20/0x30 [ 52.193261][ T4346] task_work_run+0x12c/0x1e0 [ 52.194039][ T4346] do_notify_resume+0x24b4/0x3128 [ 52.194843][ T4346] el0_svc+0xf0/0x1e0 [ 52.195497][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 52.196252][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 52.196991][ T4346] irq event stamp: 228006 [ 52.197617][ T4346] hardirqs last enabled at (228005): [] kasan_quarantine_put+0xc4/0x204 [ 52.199068][ T4346] hardirqs last disabled at (228006): [] el1_dbg+0x24/0x80 [ 52.200374][ T4346] softirqs last enabled at (227246): [] handle_softirqs+0xa4c/0xbf0 [ 52.201837][ T4346] softirqs last disabled at (227113): [] __irq_exit_rcu+0x240/0x440 [ 52.203252][ T4346] ---[ end trace 1aefd6744f3934a5 ]--- [ 52.213432][ T4568] Bluetooth: hci0: command 0x041b tx timeout [ 52.340897][ T4935] loop0: detected capacity change from 0 to 32768 [ 52.392756][ T4935] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4935) [ 52.397815][ T4935] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.399182][ T4935] BTRFS info (device loop0): using free space tree [ 52.400112][ T4935] BTRFS info (device loop0): has skinny extents [ 52.408497][ T4935] BTRFS info (device loop0): enabling ssd optimizations [ 52.415238][ T4935] FAULT_INJECTION: forcing a failure. [ 52.415238][ T4935] name failslab, interval 1, probability 0, space 0, times 0 [ 52.417279][ T4935] CPU: 1 PID: 4935 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.418755][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.420259][ T4935] Call trace: [ 52.420733][ T4935] dump_backtrace+0x0/0x43c [ 52.421394][ T4935] show_stack+0x2c/0x3c [ 52.422000][ T4935] __dump_stack+0x30/0x40 [ 52.422628][ T4935] dump_stack_lvl+0xf8/0x160 [ 52.423341][ T4935] dump_stack+0x1c/0x5c [ 52.423984][ T4935] should_fail+0x3c0/0x51c [ 52.424701][ T4935] __should_failslab+0xbc/0x10c [ 52.425424][ T4935] should_failslab+0x10/0x28 [ 52.426123][ T4935] slab_pre_alloc_hook+0x64/0xec [ 52.426832][ T4935] kmem_cache_alloc+0x94/0x3e4 [ 52.427570][ T4935] alloc_extent_state+0x38/0x430 [ 52.428253][ T4935] set_extent_bit+0x1b4/0x13f4 [ 52.429049][ T4935] btrfs_alloc_tree_block+0x98c/0x112c [ 52.429896][ T4935] btrfs_force_cow_block+0x3a8/0x1700 [ 52.430646][ T4935] btrfs_cow_block+0x2d8/0x66c [ 52.431331][ T4935] btrfs_search_slot+0xa10/0x1f4c [ 52.432089][ T4935] btrfs_update_root+0xcc/0x954 [ 52.432768][ T4935] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 52.433570][ T4935] btrfs_ioctl+0x134/0xb38 [ 52.434201][ T4935] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.434907][ T4935] invoke_syscall+0x98/0x2b8 [ 52.435656][ T4935] el0_svc_common+0x138/0x258 [ 52.436355][ T4935] do_el0_svc+0x58/0x14c [ 52.436933][ T4935] el0_svc+0x78/0x1e0 [ 52.437560][ T4935] el0t_64_sync_handler+0xcc/0xe4 [ 52.438302][ T4935] el0t_64_sync+0x1a0/0x1a4 [ 52.574923][ T4957] loop0: detected capacity change from 0 to 32768 [ 52.657804][ T4957] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4957) [ 52.661290][ T4957] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.662784][ T4957] BTRFS info (device loop0): using free space tree [ 52.664285][ T4957] BTRFS info (device loop0): has skinny extents [ 52.671877][ T4957] BTRFS info (device loop0): enabling ssd optimizations [ 52.677982][ T4957] FAULT_INJECTION: forcing a failure. [ 52.677982][ T4957] name failslab, interval 1, probability 0, space 0, times 0 [ 52.680142][ T4957] CPU: 1 PID: 4957 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.681612][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.683143][ T4957] Call trace: [ 52.683607][ T4957] dump_backtrace+0x0/0x43c [ 52.684263][ T4957] show_stack+0x2c/0x3c [ 52.684836][ T4957] __dump_stack+0x30/0x40 [ 52.685503][ T4957] dump_stack_lvl+0xf8/0x160 [ 52.686204][ T4957] dump_stack+0x1c/0x5c [ 52.686798][ T4957] should_fail+0x3c0/0x51c [ 52.687439][ T4957] __should_failslab+0xbc/0x10c [ 52.688173][ T4957] should_failslab+0x10/0x28 [ 52.688862][ T4957] slab_pre_alloc_hook+0x64/0xec [ 52.689616][ T4957] kmem_cache_alloc+0x94/0x3e4 [ 52.690307][ T4957] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 52.691136][ T4957] btrfs_alloc_tree_block+0xb8c/0x112c [ 52.691921][ T4957] btrfs_force_cow_block+0x3a8/0x1700 [ 52.692660][ T4957] btrfs_cow_block+0x2d8/0x66c [ 52.693336][ T4957] btrfs_search_slot+0xa10/0x1f4c [ 52.694042][ T4957] btrfs_update_root+0xcc/0x954 [ 52.694703][ T4957] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 52.695540][ T4957] btrfs_ioctl+0x134/0xb38 [ 52.696154][ T4957] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.696835][ T4957] invoke_syscall+0x98/0x2b8 [ 52.697472][ T4957] el0_svc_common+0x138/0x258 [ 52.698109][ T4957] do_el0_svc+0x58/0x14c [ 52.698746][ T4957] el0_svc+0x78/0x1e0 [ 52.699339][ T4957] el0t_64_sync_handler+0xcc/0xe4 [ 52.700084][ T4957] el0t_64_sync+0x1a0/0x1a4 [ 52.731497][ T4346] ------------[ cut here ]------------ [ 52.732303][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 52.734050][ T4346] Modules linked in: [ 52.734654][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.736015][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.737600][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.738878][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 52.740025][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 52.741179][ T4346] sp : ffff80001f947740 [ 52.741823][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001a5a440c [ 52.743061][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 52.744250][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 52.745533][ T4346] x20: ffff0000d2d22060 x19: 0000000000000000 x18: 0000000000000000 [ 52.746730][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 52.747956][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 52.749183][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 52.750408][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 52.751634][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 52.752902][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 52.754139][ T4346] Call trace: [ 52.754589][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 52.755569][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 52.756352][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 52.757271][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 52.758032][ T4346] close_ctree+0x608/0x84c [ 52.758635][ T4346] btrfs_put_super+0x40/0x50 [ 52.759281][ T4346] generic_shutdown_super+0x130/0x2f0 [ 52.759986][ T4346] kill_anon_super+0x4c/0x80 [ 52.760635][ T4346] btrfs_kill_super+0x40/0x58 [ 52.761257][ T4346] deactivate_locked_super+0xb8/0x13c [ 52.761990][ T4346] deactivate_super+0xf8/0x118 [ 52.762693][ T4346] cleanup_mnt+0x3a4/0x458 [ 52.763307][ T4346] __cleanup_mnt+0x20/0x30 [ 52.763879][ T4346] task_work_run+0x12c/0x1e0 [ 52.764468][ T4346] do_notify_resume+0x24b4/0x3128 [ 52.765116][ T4346] el0_svc+0xf0/0x1e0 [ 52.765632][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 52.766288][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 52.766909][ T4346] irq event stamp: 255998 [ 52.767487][ T4346] hardirqs last enabled at (255997): [] kasan_quarantine_put+0xc4/0x204 [ 52.769057][ T4346] hardirqs last disabled at (255998): [] el1_dbg+0x24/0x80 [ 52.770387][ T4346] softirqs last enabled at (255170): [] handle_softirqs+0xa4c/0xbf0 [ 52.771855][ T4346] softirqs last disabled at (255133): [] __irq_exit_rcu+0x240/0x440 [ 52.773207][ T4346] ---[ end trace 1aefd6744f3934a6 ]--- [ 52.924548][ T4979] loop0: detected capacity change from 0 to 32768 [ 52.967520][ T4979] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4979) [ 52.972075][ T4979] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.973499][ T4979] BTRFS info (device loop0): using free space tree [ 52.974489][ T4979] BTRFS info (device loop0): has skinny extents [ 52.982035][ T4979] BTRFS info (device loop0): enabling ssd optimizations [ 52.988280][ T4979] FAULT_INJECTION: forcing a failure. [ 52.988280][ T4979] name failslab, interval 1, probability 0, space 0, times 0 [ 52.990396][ T4979] CPU: 1 PID: 4979 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.991757][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.993225][ T4979] Call trace: [ 52.993719][ T4979] dump_backtrace+0x0/0x43c [ 52.994416][ T4979] show_stack+0x2c/0x3c [ 52.995082][ T4979] __dump_stack+0x30/0x40 [ 52.995714][ T4979] dump_stack_lvl+0xf8/0x160 [ 52.996418][ T4979] dump_stack+0x1c/0x5c [ 52.997046][ T4979] should_fail+0x3c0/0x51c [ 52.997692][ T4979] __should_failslab+0xbc/0x10c [ 52.998414][ T4979] should_failslab+0x10/0x28 [ 52.999061][ T4979] slab_pre_alloc_hook+0x64/0xec [ 52.999811][ T4979] kmem_cache_alloc+0x94/0x3e4 [ 53.000585][ T4979] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 53.001423][ T4979] btrfs_alloc_tree_block+0xb8c/0x112c [ 53.002206][ T4979] btrfs_force_cow_block+0x3a8/0x1700 [ 53.003022][ T4979] btrfs_cow_block+0x2d8/0x66c [ 53.003736][ T4979] btrfs_search_slot+0xa10/0x1f4c [ 53.004461][ T4979] btrfs_update_root+0xcc/0x954 [ 53.005179][ T4979] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 53.006033][ T4979] btrfs_ioctl+0x134/0xb38 [ 53.006662][ T4979] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.007393][ T4979] invoke_syscall+0x98/0x2b8 [ 53.008060][ T4979] el0_svc_common+0x138/0x258 [ 53.008775][ T4979] do_el0_svc+0x58/0x14c [ 53.009381][ T4979] el0_svc+0x78/0x1e0 [ 53.009991][ T4979] el0t_64_sync_handler+0xcc/0xe4 [ 53.010783][ T4979] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:52 executed programs: 11 [ 53.042405][ T4346] ------------[ cut here ]------------ [ 53.043283][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.044976][ T4346] Modules linked in: [ 53.045512][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.046735][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.048058][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.049168][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.050235][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 53.051237][ T4346] sp : ffff80001f947740 [ 53.051839][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe00019c4e90c [ 53.053001][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 53.054160][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 53.055342][ T4346] x20: ffff0000ce274860 x19: 0000000000000000 x18: 0000000000000000 [ 53.056630][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 53.057908][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 53.059244][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 53.060538][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 53.061711][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 53.062910][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 53.064168][ T4346] Call trace: [ 53.064647][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.065691][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 53.066499][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 53.067345][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 53.068165][ T4346] close_ctree+0x608/0x84c [ 53.068805][ T4346] btrfs_put_super+0x40/0x50 [ 53.069441][ T4346] generic_shutdown_super+0x130/0x2f0 [ 53.070160][ T4346] kill_anon_super+0x4c/0x80 [ 53.070737][ T4346] btrfs_kill_super+0x40/0x58 [ 53.071387][ T4346] deactivate_locked_super+0xb8/0x13c [ 53.072187][ T4346] deactivate_super+0xf8/0x118 [ 53.073002][ T4346] cleanup_mnt+0x3a4/0x458 [ 53.073699][ T4346] __cleanup_mnt+0x20/0x30 [ 53.074395][ T4346] task_work_run+0x12c/0x1e0 [ 53.075126][ T4346] do_notify_resume+0x24b4/0x3128 [ 53.075827][ T4346] el0_svc+0xf0/0x1e0 [ 53.076441][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 53.077183][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 53.077886][ T4346] irq event stamp: 274736 [ 53.078579][ T4346] hardirqs last enabled at (274735): [] kasan_quarantine_put+0xc4/0x204 [ 53.080102][ T4346] hardirqs last disabled at (274736): [] el1_dbg+0x24/0x80 [ 53.081363][ T4346] softirqs last enabled at (273708): [] local_bh_enable+0x10/0x34 [ 53.082705][ T4346] softirqs last disabled at (273706): [] local_bh_disable+0x10/0x34 [ 53.084076][ T4346] ---[ end trace 1aefd6744f3934a7 ]--- [ 53.219650][ T5001] loop0: detected capacity change from 0 to 32768 [ 53.224706][ T5001] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5001) [ 53.228479][ T5001] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.229934][ T5001] BTRFS info (device loop0): using free space tree [ 53.230877][ T5001] BTRFS info (device loop0): has skinny extents [ 53.242088][ T5001] BTRFS info (device loop0): enabling ssd optimizations [ 53.248434][ T5001] FAULT_INJECTION: forcing a failure. [ 53.248434][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 53.250524][ T5001] CPU: 0 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.251864][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.253361][ T5001] Call trace: [ 53.253823][ T5001] dump_backtrace+0x0/0x43c [ 53.254539][ T5001] show_stack+0x2c/0x3c [ 53.255162][ T5001] __dump_stack+0x30/0x40 [ 53.255862][ T5001] dump_stack_lvl+0xf8/0x160 [ 53.256526][ T5001] dump_stack+0x1c/0x5c [ 53.257146][ T5001] should_fail+0x3c0/0x51c [ 53.257766][ T5001] __should_failslab+0xbc/0x10c [ 53.258502][ T5001] should_failslab+0x10/0x28 [ 53.259157][ T5001] slab_pre_alloc_hook+0x64/0xec [ 53.259847][ T5001] kmem_cache_alloc+0x94/0x3e4 [ 53.260587][ T5001] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 53.261433][ T5001] btrfs_alloc_tree_block+0xb8c/0x112c [ 53.262238][ T5001] btrfs_force_cow_block+0x3a8/0x1700 [ 53.263001][ T5001] btrfs_cow_block+0x2d8/0x66c [ 53.263653][ T5001] btrfs_search_slot+0xa10/0x1f4c [ 53.264359][ T5001] btrfs_update_root+0xcc/0x954 [ 53.265004][ T5001] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 53.265847][ T5001] btrfs_ioctl+0x134/0xb38 [ 53.266495][ T5001] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.267219][ T5001] invoke_syscall+0x98/0x2b8 [ 53.267882][ T5001] el0_svc_common+0x138/0x258 [ 53.268550][ T5001] do_el0_svc+0x58/0x14c [ 53.269220][ T5001] el0_svc+0x78/0x1e0 [ 53.269841][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 53.270591][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 53.300531][ T4346] ------------[ cut here ]------------ [ 53.301491][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.303133][ T4346] Modules linked in: [ 53.303818][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.305277][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.306685][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.307775][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.308805][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 53.309859][ T4346] sp : ffff80001f947740 [ 53.310428][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001b57c50c [ 53.311561][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 53.312732][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 53.313820][ T4346] x20: ffff0000dabe2860 x19: 0000000000000000 x18: 0000000000000000 [ 53.314951][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 53.316139][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 53.317405][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 53.318625][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 53.319870][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 53.321051][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 53.322248][ T4346] Call trace: [ 53.322749][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.323713][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 53.324516][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 53.325592][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 53.326488][ T4346] close_ctree+0x608/0x84c [ 53.327197][ T4346] btrfs_put_super+0x40/0x50 [ 53.327954][ T4346] generic_shutdown_super+0x130/0x2f0 [ 53.328827][ T4346] kill_anon_super+0x4c/0x80 [ 53.329571][ T4346] btrfs_kill_super+0x40/0x58 [ 53.330307][ T4346] deactivate_locked_super+0xb8/0x13c [ 53.331134][ T4346] deactivate_super+0xf8/0x118 [ 53.331911][ T4346] cleanup_mnt+0x3a4/0x458 [ 53.332575][ T4346] __cleanup_mnt+0x20/0x30 [ 53.333248][ T4346] task_work_run+0x12c/0x1e0 [ 53.333995][ T4346] do_notify_resume+0x24b4/0x3128 [ 53.334740][ T4346] el0_svc+0xf0/0x1e0 [ 53.335341][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 53.336078][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 53.336774][ T4346] irq event stamp: 282038 [ 53.337413][ T4346] hardirqs last enabled at (282037): [] kasan_quarantine_put+0xc4/0x204 [ 53.338866][ T4346] hardirqs last disabled at (282038): [] el1_dbg+0x24/0x80 [ 53.340168][ T4346] softirqs last enabled at (281106): [] local_bh_enable+0x10/0x34 [ 53.341612][ T4346] softirqs last disabled at (281104): [] local_bh_disable+0x10/0x34 [ 53.343005][ T4346] ---[ end trace 1aefd6744f3934a8 ]--- [ 53.494662][ T5023] loop0: detected capacity change from 0 to 32768 [ 53.593135][ T5023] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5023) [ 53.597518][ T5023] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.599051][ T5023] BTRFS info (device loop0): using free space tree [ 53.600256][ T5023] BTRFS info (device loop0): has skinny extents [ 53.608587][ T5023] BTRFS info (device loop0): enabling ssd optimizations [ 53.613894][ T5023] FAULT_INJECTION: forcing a failure. [ 53.613894][ T5023] name failslab, interval 1, probability 0, space 0, times 0 [ 53.615852][ T5023] CPU: 0 PID: 5023 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.617261][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.618803][ T5023] Call trace: [ 53.619251][ T5023] dump_backtrace+0x0/0x43c [ 53.619945][ T5023] show_stack+0x2c/0x3c [ 53.620543][ T5023] __dump_stack+0x30/0x40 [ 53.621195][ T5023] dump_stack_lvl+0xf8/0x160 [ 53.621864][ T5023] dump_stack+0x1c/0x5c [ 53.622422][ T5023] should_fail+0x3c0/0x51c [ 53.623047][ T5023] __should_failslab+0xbc/0x10c [ 53.623749][ T5023] should_failslab+0x10/0x28 [ 53.624476][ T5023] slab_pre_alloc_hook+0x64/0xec [ 53.625218][ T5023] kmem_cache_alloc+0x94/0x3e4 [ 53.625861][ T5023] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 53.626648][ T5023] btrfs_alloc_tree_block+0xb8c/0x112c [ 53.627372][ T5023] btrfs_force_cow_block+0x3a8/0x1700 [ 53.628121][ T5023] btrfs_cow_block+0x2d8/0x66c [ 53.628817][ T5023] btrfs_search_slot+0xa10/0x1f4c [ 53.629540][ T5023] btrfs_update_root+0xcc/0x954 [ 53.630260][ T5023] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 53.631060][ T5023] btrfs_ioctl+0x134/0xb38 [ 53.631754][ T5023] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.632446][ T5023] invoke_syscall+0x98/0x2b8 [ 53.633080][ T5023] el0_svc_common+0x138/0x258 [ 53.633756][ T5023] do_el0_svc+0x58/0x14c [ 53.634368][ T5023] el0_svc+0x78/0x1e0 [ 53.634950][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 53.635656][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 53.668192][ T4346] ------------[ cut here ]------------ [ 53.668983][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.670750][ T4346] Modules linked in: [ 53.671290][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.672555][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.673984][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.675075][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.676064][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 53.677128][ T4346] sp : ffff80001f947740 [ 53.677808][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe00019d7760c [ 53.679083][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 53.680405][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 53.681626][ T4346] x20: ffff0000cebbb060 x19: 0000000000000000 x18: 0000000000000000 [ 53.682781][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 53.683983][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 53.685120][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 53.686285][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 53.687450][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 53.688555][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 53.689683][ T4346] Call trace: [ 53.690120][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 53.691101][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 53.692019][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 53.692935][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 53.693739][ T4346] close_ctree+0x608/0x84c [ 53.694371][ T4346] btrfs_put_super+0x40/0x50 [ 53.695058][ T4346] generic_shutdown_super+0x130/0x2f0 [ 53.695819][ T4346] kill_anon_super+0x4c/0x80 [ 53.696437][ T4346] btrfs_kill_super+0x40/0x58 [ 53.697069][ T4346] deactivate_locked_super+0xb8/0x13c [ 53.697864][ T4346] deactivate_super+0xf8/0x118 [ 53.698542][ T4346] cleanup_mnt+0x3a4/0x458 [ 53.699183][ T4346] __cleanup_mnt+0x20/0x30 [ 53.699782][ T4346] task_work_run+0x12c/0x1e0 [ 53.700421][ T4346] do_notify_resume+0x24b4/0x3128 [ 53.701142][ T4346] el0_svc+0xf0/0x1e0 [ 53.701722][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 53.702399][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 53.703141][ T4346] irq event stamp: 301196 [ 53.703799][ T4346] hardirqs last enabled at (301195): [] kasan_quarantine_put+0xc4/0x204 [ 53.705286][ T4346] hardirqs last disabled at (301196): [] el1_dbg+0x24/0x80 [ 53.706580][ T4346] softirqs last enabled at (300304): [] local_bh_enable+0x10/0x34 [ 53.708031][ T4346] softirqs last disabled at (300302): [] local_bh_disable+0x10/0x34 [ 53.709361][ T4346] ---[ end trace 1aefd6744f3934a9 ]--- [ 53.736188][ T4349] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 11 /dev/loop0 scanned by udevd (4349) [ 53.821829][ T5045] loop0: detected capacity change from 0 to 32768 [ 53.955813][ T5045] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.957235][ T5045] BTRFS info (device loop0): using free space tree [ 53.958230][ T5045] BTRFS info (device loop0): has skinny extents [ 53.965460][ T5045] BTRFS info (device loop0): enabling ssd optimizations [ 53.971777][ T5045] FAULT_INJECTION: forcing a failure. [ 53.971777][ T5045] name failslab, interval 1, probability 0, space 0, times 0 [ 53.974872][ T5045] CPU: 0 PID: 5045 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.976283][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.977661][ T5045] Call trace: [ 53.978117][ T5045] dump_backtrace+0x0/0x43c [ 53.978758][ T5045] show_stack+0x2c/0x3c [ 53.979341][ T5045] __dump_stack+0x30/0x40 [ 53.979992][ T5045] dump_stack_lvl+0xf8/0x160 [ 53.980666][ T5045] dump_stack+0x1c/0x5c [ 53.981292][ T5045] should_fail+0x3c0/0x51c [ 53.981898][ T5045] __should_failslab+0xbc/0x10c [ 53.982592][ T5045] should_failslab+0x10/0x28 [ 53.983306][ T5045] slab_pre_alloc_hook+0x64/0xec [ 53.984054][ T5045] kmem_cache_alloc+0x94/0x3e4 [ 53.984760][ T5045] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 53.985636][ T5045] btrfs_alloc_tree_block+0xb8c/0x112c [ 53.986420][ T5045] btrfs_force_cow_block+0x3a8/0x1700 [ 53.987235][ T5045] btrfs_cow_block+0x2d8/0x66c [ 53.987981][ T5045] btrfs_search_slot+0xa10/0x1f4c [ 53.988682][ T5045] btrfs_update_root+0xcc/0x954 [ 53.989377][ T5045] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 53.990276][ T5045] btrfs_ioctl+0x134/0xb38 [ 53.990892][ T5045] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.991619][ T5045] invoke_syscall+0x98/0x2b8 [ 53.992286][ T5045] el0_svc_common+0x138/0x258 [ 53.993016][ T5045] do_el0_svc+0x58/0x14c [ 53.993673][ T5045] el0_svc+0x78/0x1e0 [ 53.994308][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 53.995112][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 54.035852][ T4346] ------------[ cut here ]------------ [ 54.036762][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.038500][ T4346] Modules linked in: [ 54.039066][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.040405][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.041833][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.043014][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.044030][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 54.045138][ T4346] sp : ffff80001f947740 [ 54.045760][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001a14450c [ 54.046981][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 54.048214][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 54.049549][ T4346] x20: ffff0000d0a22860 x19: 0000000000000000 x18: 0000000000000000 [ 54.050822][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 54.052094][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 54.053310][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 54.054468][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 54.055675][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 54.056886][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 54.058082][ T4346] Call trace: [ 54.058578][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.059571][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 54.060383][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 54.061241][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 54.062093][ T4346] close_ctree+0x608/0x84c [ 54.062739][ T4346] btrfs_put_super+0x40/0x50 [ 54.063407][ T4346] generic_shutdown_super+0x130/0x2f0 [ 54.064164][ T4346] kill_anon_super+0x4c/0x80 [ 54.064772][ T4346] btrfs_kill_super+0x40/0x58 [ 54.065402][ T4346] deactivate_locked_super+0xb8/0x13c [ 54.066143][ T4346] deactivate_super+0xf8/0x118 [ 54.066866][ T4346] cleanup_mnt+0x3a4/0x458 [ 54.067522][ T4346] __cleanup_mnt+0x20/0x30 [ 54.068188][ T4346] task_work_run+0x12c/0x1e0 [ 54.068834][ T4346] do_notify_resume+0x24b4/0x3128 [ 54.069597][ T4346] el0_svc+0xf0/0x1e0 [ 54.070205][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 54.070970][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 54.071614][ T4346] irq event stamp: 311178 [ 54.072228][ T4346] hardirqs last enabled at (311177): [] kasan_quarantine_put+0xc4/0x204 [ 54.073790][ T4346] hardirqs last disabled at (311178): [] el1_dbg+0x24/0x80 [ 54.075063][ T4346] softirqs last enabled at (310102): [] local_bh_enable+0x10/0x34 [ 54.076526][ T4346] softirqs last disabled at (310100): [] local_bh_disable+0x10/0x34 [ 54.077886][ T4346] ---[ end trace 1aefd6744f3934aa ]--- [ 54.094436][ T4349] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 11 /dev/loop0 scanned by udevd (4349) [ 54.190201][ T5068] loop0: detected capacity change from 0 to 32768 [ 54.200355][ T5068] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.201747][ T5068] BTRFS info (device loop0): using free space tree [ 54.202670][ T5068] BTRFS info (device loop0): has skinny extents [ 54.217923][ T5068] BTRFS info (device loop0): enabling ssd optimizations [ 54.223711][ T5068] FAULT_INJECTION: forcing a failure. [ 54.223711][ T5068] name failslab, interval 1, probability 0, space 0, times 0 [ 54.225836][ T5068] CPU: 0 PID: 5068 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.227387][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.228953][ T5068] Call trace: [ 54.229483][ T5068] dump_backtrace+0x0/0x43c [ 54.230204][ T5068] show_stack+0x2c/0x3c [ 54.230970][ T5068] __dump_stack+0x30/0x40 [ 54.231702][ T5068] dump_stack_lvl+0xf8/0x160 [ 54.232459][ T5068] dump_stack+0x1c/0x5c [ 54.233154][ T5068] should_fail+0x3c0/0x51c [ 54.233925][ T5068] __should_failslab+0xbc/0x10c [ 54.234698][ T5068] should_failslab+0x10/0x28 [ 54.235404][ T5068] slab_pre_alloc_hook+0x64/0xec [ 54.236153][ T5068] kmem_cache_alloc+0x94/0x3e4 [ 54.236881][ T5068] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 54.237703][ T5068] btrfs_alloc_tree_block+0xb8c/0x112c [ 54.238577][ T5068] btrfs_force_cow_block+0x3a8/0x1700 [ 54.239385][ T5068] btrfs_cow_block+0x2d8/0x66c [ 54.240080][ T5068] btrfs_search_slot+0xa10/0x1f4c [ 54.240813][ T5068] btrfs_update_root+0xcc/0x954 [ 54.241522][ T5068] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 54.242388][ T5068] btrfs_ioctl+0x134/0xb38 [ 54.243004][ T5068] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.243735][ T5068] invoke_syscall+0x98/0x2b8 [ 54.244431][ T5068] el0_svc_common+0x138/0x258 [ 54.245136][ T5068] do_el0_svc+0x58/0x14c [ 54.245777][ T5068] el0_svc+0x78/0x1e0 [ 54.246334][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 54.247055][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 54.263109][ T4070] Bluetooth: hci0: command 0x040f tx timeout [ 54.276768][ T4346] ------------[ cut here ]------------ [ 54.277644][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.279372][ T4346] Modules linked in: [ 54.280014][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.281507][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.283075][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.284242][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.285254][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 54.286232][ T4346] sp : ffff80001f947740 [ 54.286899][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001934500c [ 54.288125][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 54.289345][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 54.290645][ T4346] x20: ffff0000c9a28060 x19: 0000000000000000 x18: 0000000000000000 [ 54.291920][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 54.293164][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 54.294335][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 54.295586][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 54.296771][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 54.297936][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 54.299293][ T4346] Call trace: [ 54.299846][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.300910][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 54.301741][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 54.302615][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 54.303459][ T4346] close_ctree+0x608/0x84c [ 54.304226][ T4346] btrfs_put_super+0x40/0x50 [ 54.304967][ T4346] generic_shutdown_super+0x130/0x2f0 [ 54.305799][ T4346] kill_anon_super+0x4c/0x80 [ 54.306487][ T4346] btrfs_kill_super+0x40/0x58 [ 54.307201][ T4346] deactivate_locked_super+0xb8/0x13c [ 54.308018][ T4346] deactivate_super+0xf8/0x118 [ 54.308704][ T4346] cleanup_mnt+0x3a4/0x458 [ 54.309334][ T4346] __cleanup_mnt+0x20/0x30 [ 54.309963][ T4346] task_work_run+0x12c/0x1e0 [ 54.310651][ T4346] do_notify_resume+0x24b4/0x3128 [ 54.311462][ T4346] el0_svc+0xf0/0x1e0 [ 54.312091][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 54.312823][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 54.313484][ T4346] irq event stamp: 319278 [ 54.314113][ T4346] hardirqs last enabled at (319277): [] kasan_quarantine_put+0xc4/0x204 [ 54.315522][ T4346] hardirqs last disabled at (319278): [] el1_dbg+0x24/0x80 [ 54.316882][ T4346] softirqs last enabled at (318018): [] local_bh_enable+0x10/0x34 [ 54.318325][ T4346] softirqs last disabled at (318016): [] local_bh_disable+0x10/0x34 [ 54.319746][ T4346] ---[ end trace 1aefd6744f3934ab ]--- [ 54.340619][ T4349] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 11 /dev/loop0 scanned by udevd (4349) [ 54.431999][ T5091] loop0: detected capacity change from 0 to 32768 [ 54.435785][ T5091] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.437108][ T5091] BTRFS info (device loop0): using free space tree [ 54.438088][ T5091] BTRFS info (device loop0): has skinny extents [ 54.449685][ T5091] BTRFS info (device loop0): enabling ssd optimizations [ 54.456122][ T5091] FAULT_INJECTION: forcing a failure. [ 54.456122][ T5091] name failslab, interval 1, probability 0, space 0, times 0 [ 54.458223][ T5091] CPU: 1 PID: 5091 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.459586][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.461044][ T5091] Call trace: [ 54.461512][ T5091] dump_backtrace+0x0/0x43c [ 54.462195][ T5091] show_stack+0x2c/0x3c [ 54.462834][ T5091] __dump_stack+0x30/0x40 [ 54.463435][ T5091] dump_stack_lvl+0xf8/0x160 [ 54.464096][ T5091] dump_stack+0x1c/0x5c [ 54.464675][ T5091] should_fail+0x3c0/0x51c [ 54.465291][ T5091] __should_failslab+0xbc/0x10c [ 54.465991][ T5091] should_failslab+0x10/0x28 [ 54.466680][ T5091] slab_pre_alloc_hook+0x64/0xec [ 54.467429][ T5091] kmem_cache_alloc+0x94/0x3e4 [ 54.468103][ T5091] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 54.468965][ T5091] btrfs_alloc_tree_block+0xb8c/0x112c [ 54.469760][ T5091] btrfs_force_cow_block+0x3a8/0x1700 [ 54.470562][ T5091] btrfs_cow_block+0x2d8/0x66c [ 54.471302][ T5091] btrfs_search_slot+0xa10/0x1f4c [ 54.472057][ T5091] btrfs_update_root+0xcc/0x954 [ 54.472819][ T5091] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 54.473615][ T5091] btrfs_ioctl+0x134/0xb38 [ 54.474279][ T5091] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.475053][ T5091] invoke_syscall+0x98/0x2b8 [ 54.475744][ T5091] el0_svc_common+0x138/0x258 [ 54.476452][ T5091] do_el0_svc+0x58/0x14c [ 54.477101][ T5091] el0_svc+0x78/0x1e0 [ 54.477681][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 54.478445][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 54.509362][ T4346] ------------[ cut here ]------------ [ 54.510228][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.511985][ T4346] Modules linked in: [ 54.512559][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.513933][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.515540][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.516694][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.517740][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 54.518816][ T4346] sp : ffff80001f947740 [ 54.519420][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe00018fb490c [ 54.520650][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 54.521757][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 54.522953][ T4346] x20: ffff0000c7da4860 x19: 0000000000000000 x18: 0000000000000000 [ 54.524096][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 54.525274][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 54.526493][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 54.527685][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 54.528743][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 54.529913][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 54.531068][ T4346] Call trace: [ 54.531554][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.532612][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 54.533437][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 54.534299][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 54.535086][ T4346] close_ctree+0x608/0x84c [ 54.535727][ T4346] btrfs_put_super+0x40/0x50 [ 54.536410][ T4346] generic_shutdown_super+0x130/0x2f0 [ 54.537285][ T4346] kill_anon_super+0x4c/0x80 [ 54.537990][ T4346] btrfs_kill_super+0x40/0x58 [ 54.538695][ T4346] deactivate_locked_super+0xb8/0x13c [ 54.539426][ T4346] deactivate_super+0xf8/0x118 [ 54.540173][ T4346] cleanup_mnt+0x3a4/0x458 [ 54.540846][ T4346] __cleanup_mnt+0x20/0x30 [ 54.541497][ T4346] task_work_run+0x12c/0x1e0 [ 54.542183][ T4346] do_notify_resume+0x24b4/0x3128 [ 54.542940][ T4346] el0_svc+0xf0/0x1e0 [ 54.543629][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 54.544399][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 54.545071][ T4346] irq event stamp: 327102 [ 54.545738][ T4346] hardirqs last enabled at (327101): [] kasan_quarantine_put+0xc4/0x204 [ 54.547210][ T4346] hardirqs last disabled at (327102): [] el1_dbg+0x24/0x80 [ 54.548484][ T4346] softirqs last enabled at (325956): [] local_bh_enable+0x10/0x34 [ 54.549841][ T4346] softirqs last disabled at (325954): [] local_bh_disable+0x10/0x34 [ 54.551334][ T4346] ---[ end trace 1aefd6744f3934ac ]--- [ 54.691044][ T5114] loop0: detected capacity change from 0 to 32768 [ 54.737655][ T5114] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5114) [ 54.741546][ T5114] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.743750][ T5114] BTRFS info (device loop0): using free space tree [ 54.744910][ T5114] BTRFS info (device loop0): has skinny extents [ 54.753459][ T5114] BTRFS info (device loop0): enabling ssd optimizations [ 54.759269][ T5114] FAULT_INJECTION: forcing a failure. [ 54.759269][ T5114] name failslab, interval 1, probability 0, space 0, times 0 [ 54.761310][ T5114] CPU: 0 PID: 5114 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.762618][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.764075][ T5114] Call trace: [ 54.764558][ T5114] dump_backtrace+0x0/0x43c [ 54.765222][ T5114] show_stack+0x2c/0x3c [ 54.765832][ T5114] __dump_stack+0x30/0x40 [ 54.766421][ T5114] dump_stack_lvl+0xf8/0x160 [ 54.767031][ T5114] dump_stack+0x1c/0x5c [ 54.767588][ T5114] should_fail+0x3c0/0x51c [ 54.768185][ T5114] __should_failslab+0xbc/0x10c [ 54.768859][ T5114] should_failslab+0x10/0x28 [ 54.769511][ T5114] slab_pre_alloc_hook+0x64/0xec [ 54.770255][ T5114] kmem_cache_alloc+0x94/0x3e4 [ 54.770939][ T5114] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 54.771705][ T5114] btrfs_alloc_tree_block+0xb8c/0x112c [ 54.772437][ T5114] btrfs_force_cow_block+0x3a8/0x1700 [ 54.773206][ T5114] btrfs_cow_block+0x2d8/0x66c [ 54.773847][ T5114] btrfs_search_slot+0xa10/0x1f4c [ 54.774547][ T5114] btrfs_update_root+0xcc/0x954 [ 54.775209][ T5114] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 54.776005][ T5114] btrfs_ioctl+0x134/0xb38 [ 54.776616][ T5114] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.777293][ T5114] invoke_syscall+0x98/0x2b8 [ 54.777921][ T5114] el0_svc_common+0x138/0x258 [ 54.778565][ T5114] do_el0_svc+0x58/0x14c [ 54.779144][ T5114] el0_svc+0x78/0x1e0 [ 54.779675][ T5114] el0t_64_sync_handler+0xcc/0xe4 [ 54.780396][ T5114] el0t_64_sync+0x1a0/0x1a4 [ 54.812963][ T4346] ------------[ cut here ]------------ [ 54.813860][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.815628][ T4346] Modules linked in: [ 54.816183][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.817509][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.818983][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.820099][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.820989][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 54.821986][ T4346] sp : ffff80001f947740 [ 54.822614][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001b24d80c [ 54.823831][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 54.825015][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 54.826229][ T4346] x20: ffff0000d926c060 x19: 0000000000000000 x18: 0000000000000000 [ 54.827418][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 54.828547][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 54.829706][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 54.830925][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 54.832102][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 54.833265][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 54.834515][ T4346] Call trace: [ 54.835074][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 54.836054][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 54.836846][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 54.837808][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 54.838617][ T4346] close_ctree+0x608/0x84c [ 54.839273][ T4346] btrfs_put_super+0x40/0x50 [ 54.839973][ T4346] generic_shutdown_super+0x130/0x2f0 [ 54.840772][ T4346] kill_anon_super+0x4c/0x80 [ 54.841464][ T4346] btrfs_kill_super+0x40/0x58 [ 54.842161][ T4346] deactivate_locked_super+0xb8/0x13c [ 54.842956][ T4346] deactivate_super+0xf8/0x118 [ 54.843675][ T4346] cleanup_mnt+0x3a4/0x458 [ 54.844326][ T4346] __cleanup_mnt+0x20/0x30 [ 54.845010][ T4346] task_work_run+0x12c/0x1e0 [ 54.845719][ T4346] do_notify_resume+0x24b4/0x3128 [ 54.846439][ T4346] el0_svc+0xf0/0x1e0 [ 54.847017][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 54.847775][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 54.848420][ T4346] irq event stamp: 345846 [ 54.849019][ T4346] hardirqs last enabled at (345845): [] kasan_quarantine_put+0xc4/0x204 [ 54.850430][ T4346] hardirqs last disabled at (345846): [] el1_dbg+0x24/0x80 [ 54.851733][ T4346] softirqs last enabled at (344676): [] local_bh_enable+0x10/0x34 [ 54.853086][ T4346] softirqs last disabled at (344674): [] local_bh_disable+0x10/0x34 [ 54.854571][ T4346] ---[ end trace 1aefd6744f3934ad ]--- [ 55.001303][ T5136] loop0: detected capacity change from 0 to 32768 [ 55.047639][ T5136] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5136) [ 55.052271][ T5136] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.053934][ T5136] BTRFS info (device loop0): using free space tree [ 55.054897][ T5136] BTRFS info (device loop0): has skinny extents [ 55.062261][ T5136] BTRFS info (device loop0): enabling ssd optimizations [ 55.068581][ T5136] FAULT_INJECTION: forcing a failure. [ 55.068581][ T5136] name failslab, interval 1, probability 0, space 0, times 0 [ 55.070526][ T5136] CPU: 1 PID: 5136 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.071785][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.073263][ T5136] Call trace: [ 55.073743][ T5136] dump_backtrace+0x0/0x43c [ 55.074344][ T5136] show_stack+0x2c/0x3c [ 55.074951][ T5136] __dump_stack+0x30/0x40 [ 55.075615][ T5136] dump_stack_lvl+0xf8/0x160 [ 55.076237][ T5136] dump_stack+0x1c/0x5c [ 55.076865][ T5136] should_fail+0x3c0/0x51c [ 55.077454][ T5136] __should_failslab+0xbc/0x10c [ 55.078121][ T5136] should_failslab+0x10/0x28 [ 55.078767][ T5136] slab_pre_alloc_hook+0x64/0xec [ 55.079394][ T5136] kmem_cache_alloc+0x94/0x3e4 [ 55.080103][ T5136] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 55.080924][ T5136] btrfs_alloc_tree_block+0xb8c/0x112c [ 55.081718][ T5136] btrfs_force_cow_block+0x3a8/0x1700 [ 55.082467][ T5136] btrfs_cow_block+0x2d8/0x66c [ 55.083147][ T5136] btrfs_search_slot+0xa10/0x1f4c [ 55.083892][ T5136] btrfs_update_root+0xcc/0x954 [ 55.084601][ T5136] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 55.085386][ T5136] btrfs_ioctl+0x134/0xb38 [ 55.085987][ T5136] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.086702][ T5136] invoke_syscall+0x98/0x2b8 [ 55.087325][ T5136] el0_svc_common+0x138/0x258 [ 55.087980][ T5136] do_el0_svc+0x58/0x14c [ 55.088584][ T5136] el0_svc+0x78/0x1e0 [ 55.089151][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 55.089840][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 55.121119][ T4346] ------------[ cut here ]------------ [ 55.121959][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.123699][ T4346] Modules linked in: [ 55.124323][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.125690][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.127216][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.128372][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.129476][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 55.130475][ T4346] sp : ffff80001f947740 [ 55.131103][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001908b20c [ 55.132329][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 55.133509][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 55.134692][ T4346] x20: ffff0000c8459060 x19: 0000000000000000 x18: 0000000000000000 [ 55.135905][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 55.137063][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 55.138274][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 55.139404][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 55.140550][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 55.141695][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 55.142918][ T4346] Call trace: [ 55.143389][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.144371][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 55.145216][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 55.146116][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 55.147039][ T4346] close_ctree+0x608/0x84c [ 55.147746][ T4346] btrfs_put_super+0x40/0x50 [ 55.148434][ T4346] generic_shutdown_super+0x130/0x2f0 [ 55.149202][ T4346] kill_anon_super+0x4c/0x80 [ 55.149888][ T4346] btrfs_kill_super+0x40/0x58 [ 55.150622][ T4346] deactivate_locked_super+0xb8/0x13c [ 55.151411][ T4346] deactivate_super+0xf8/0x118 [ 55.152101][ T4346] cleanup_mnt+0x3a4/0x458 [ 55.152695][ T4346] __cleanup_mnt+0x20/0x30 [ 55.153321][ T4346] task_work_run+0x12c/0x1e0 [ 55.154058][ T4346] do_notify_resume+0x24b4/0x3128 [ 55.154799][ T4346] el0_svc+0xf0/0x1e0 [ 55.155404][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 55.156139][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 55.156813][ T4346] irq event stamp: 364114 [ 55.157457][ T4346] hardirqs last enabled at (364113): [] kasan_quarantine_put+0xc4/0x204 [ 55.158882][ T4346] hardirqs last disabled at (364114): [] el1_dbg+0x24/0x80 [ 55.160216][ T4346] softirqs last enabled at (363466): [] handle_softirqs+0xa4c/0xbf0 [ 55.161592][ T4346] softirqs last disabled at (363425): [] __irq_exit_rcu+0x240/0x440 [ 55.162927][ T4346] ---[ end trace 1aefd6744f3934ae ]--- [ 55.324281][ T5158] loop0: detected capacity change from 0 to 32768 [ 55.366277][ T5158] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5158) [ 55.369583][ T5158] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.371019][ T5158] BTRFS info (device loop0): using free space tree [ 55.371990][ T5158] BTRFS info (device loop0): has skinny extents [ 55.381272][ T5158] BTRFS info (device loop0): enabling ssd optimizations [ 55.388586][ T5158] FAULT_INJECTION: forcing a failure. [ 55.388586][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 55.390592][ T5158] CPU: 0 PID: 5158 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.391987][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.393534][ T5158] Call trace: [ 55.393981][ T5158] dump_backtrace+0x0/0x43c [ 55.394629][ T5158] show_stack+0x2c/0x3c [ 55.395224][ T5158] __dump_stack+0x30/0x40 [ 55.395843][ T5158] dump_stack_lvl+0xf8/0x160 [ 55.396478][ T5158] dump_stack+0x1c/0x5c [ 55.397094][ T5158] should_fail+0x3c0/0x51c [ 55.397731][ T5158] __should_failslab+0xbc/0x10c [ 55.398427][ T5158] should_failslab+0x10/0x28 [ 55.399096][ T5158] slab_pre_alloc_hook+0x64/0xec [ 55.399845][ T5158] kmem_cache_alloc+0x94/0x3e4 [ 55.400614][ T5158] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 55.401436][ T5158] btrfs_alloc_tree_block+0xb8c/0x112c [ 55.402238][ T5158] btrfs_force_cow_block+0x3a8/0x1700 [ 55.403011][ T5158] btrfs_cow_block+0x2d8/0x66c [ 55.403679][ T5158] btrfs_search_slot+0xa10/0x1f4c [ 55.404408][ T5158] btrfs_update_root+0xcc/0x954 [ 55.405074][ T5158] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 55.405876][ T5158] btrfs_ioctl+0x134/0xb38 [ 55.406492][ T5158] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.407153][ T5158] invoke_syscall+0x98/0x2b8 [ 55.407797][ T5158] el0_svc_common+0x138/0x258 [ 55.408453][ T5158] do_el0_svc+0x58/0x14c [ 55.409078][ T5158] el0_svc+0x78/0x1e0 [ 55.409650][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 55.410353][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 55.441376][ T4346] ------------[ cut here ]------------ [ 55.442270][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.443977][ T4346] Modules linked in: [ 55.444562][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.445935][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.447395][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.448659][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.449661][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 55.450661][ T4346] sp : ffff80001f947740 [ 55.451317][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001903640c [ 55.452737][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 55.453975][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 55.455282][ T4346] x20: ffff0000c81b2060 x19: 0000000000000000 x18: 0000000000000000 [ 55.456582][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 55.457727][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 55.458922][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 55.460095][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 55.461297][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 55.462549][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 55.463723][ T4346] Call trace: [ 55.464192][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.465161][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 55.465991][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 55.466866][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 55.467633][ T4346] close_ctree+0x608/0x84c [ 55.468319][ T4346] btrfs_put_super+0x40/0x50 [ 55.468940][ T4346] generic_shutdown_super+0x130/0x2f0 [ 55.469743][ T4346] kill_anon_super+0x4c/0x80 [ 55.470353][ T4346] btrfs_kill_super+0x40/0x58 [ 55.470993][ T4346] deactivate_locked_super+0xb8/0x13c [ 55.471751][ T4346] deactivate_super+0xf8/0x118 [ 55.472483][ T4346] cleanup_mnt+0x3a4/0x458 [ 55.473239][ T4346] __cleanup_mnt+0x20/0x30 [ 55.473965][ T4346] task_work_run+0x12c/0x1e0 [ 55.474718][ T4346] do_notify_resume+0x24b4/0x3128 [ 55.475527][ T4346] el0_svc+0xf0/0x1e0 [ 55.476155][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 55.476884][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 55.477581][ T4346] irq event stamp: 382518 [ 55.478217][ T4346] hardirqs last enabled at (382517): [] kasan_quarantine_put+0xc4/0x204 [ 55.479718][ T4346] hardirqs last disabled at (382518): [] el1_dbg+0x24/0x80 [ 55.481076][ T4346] softirqs last enabled at (381328): [] local_bh_enable+0x10/0x34 [ 55.482444][ T4346] softirqs last disabled at (381326): [] local_bh_disable+0x10/0x34 [ 55.483805][ T4346] ---[ end trace 1aefd6744f3934af ]--- [ 55.629375][ T5180] loop0: detected capacity change from 0 to 32768 [ 55.674401][ T5180] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5180) [ 55.677504][ T5180] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.678978][ T5180] BTRFS info (device loop0): using free space tree [ 55.679964][ T5180] BTRFS info (device loop0): has skinny extents [ 55.693299][ T5180] BTRFS info (device loop0): enabling ssd optimizations [ 55.699616][ T5180] FAULT_INJECTION: forcing a failure. [ 55.699616][ T5180] name failslab, interval 1, probability 0, space 0, times 0 [ 55.701714][ T5180] CPU: 1 PID: 5180 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.703059][ T5180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.704574][ T5180] Call trace: [ 55.705036][ T5180] dump_backtrace+0x0/0x43c [ 55.705704][ T5180] show_stack+0x2c/0x3c [ 55.706303][ T5180] __dump_stack+0x30/0x40 [ 55.706931][ T5180] dump_stack_lvl+0xf8/0x160 [ 55.707583][ T5180] dump_stack+0x1c/0x5c [ 55.708251][ T5180] should_fail+0x3c0/0x51c [ 55.708873][ T5180] __should_failslab+0xbc/0x10c [ 55.709556][ T5180] should_failslab+0x10/0x28 [ 55.710216][ T5180] slab_pre_alloc_hook+0x64/0xec [ 55.710909][ T5180] kmem_cache_alloc+0x94/0x3e4 [ 55.711581][ T5180] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 55.712435][ T5180] btrfs_alloc_tree_block+0xb8c/0x112c [ 55.713241][ T5180] btrfs_force_cow_block+0x3a8/0x1700 [ 55.714011][ T5180] btrfs_cow_block+0x2d8/0x66c [ 55.714671][ T5180] btrfs_search_slot+0xa10/0x1f4c [ 55.715414][ T5180] btrfs_update_root+0xcc/0x954 [ 55.716209][ T5180] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 55.717029][ T5180] btrfs_ioctl+0x134/0xb38 [ 55.717685][ T5180] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.718381][ T5180] invoke_syscall+0x98/0x2b8 [ 55.719038][ T5180] el0_svc_common+0x138/0x258 [ 55.719705][ T5180] do_el0_svc+0x58/0x14c [ 55.720280][ T5180] el0_svc+0x78/0x1e0 [ 55.720816][ T5180] el0t_64_sync_handler+0xcc/0xe4 [ 55.721547][ T5180] el0t_64_sync+0x1a0/0x1a4 [ 55.751402][ T4346] ------------[ cut here ]------------ [ 55.752188][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.753867][ T4346] Modules linked in: [ 55.754477][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.755809][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.757254][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.758352][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.759335][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 55.760314][ T4346] sp : ffff80001f947740 [ 55.760900][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001ad3230c [ 55.762045][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 55.763187][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 55.764354][ T4346] x20: ffff0000d6991860 x19: 0000000000000000 x18: 0000000000000000 [ 55.765504][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 55.766631][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 55.767792][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 55.768918][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 55.770053][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 55.771156][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 55.772285][ T4346] Call trace: [ 55.772728][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.773697][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 55.774525][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 55.775402][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 55.776186][ T4346] close_ctree+0x608/0x84c [ 55.776821][ T4346] btrfs_put_super+0x40/0x50 [ 55.777497][ T4346] generic_shutdown_super+0x130/0x2f0 [ 55.778242][ T4346] kill_anon_super+0x4c/0x80 [ 55.778915][ T4346] btrfs_kill_super+0x40/0x58 [ 55.779600][ T4346] deactivate_locked_super+0xb8/0x13c [ 55.780373][ T4346] deactivate_super+0xf8/0x118 [ 55.781061][ T4346] cleanup_mnt+0x3a4/0x458 [ 55.781673][ T4346] __cleanup_mnt+0x20/0x30 [ 55.782300][ T4346] task_work_run+0x12c/0x1e0 [ 55.782984][ T4346] do_notify_resume+0x24b4/0x3128 [ 55.783716][ T4346] el0_svc+0xf0/0x1e0 [ 55.784306][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 55.785063][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 55.785719][ T4346] irq event stamp: 400662 [ 55.786315][ T4346] hardirqs last enabled at (400661): [] kasan_quarantine_put+0xc4/0x204 [ 55.787711][ T4346] hardirqs last disabled at (400662): [] el1_dbg+0x24/0x80 [ 55.788931][ T4346] softirqs last enabled at (399618): [] local_bh_enable+0x10/0x34 [ 55.790220][ T4346] softirqs last disabled at (399616): [] local_bh_disable+0x10/0x34 [ 55.791521][ T4346] ---[ end trace 1aefd6744f3934b0 ]--- [ 55.915724][ T5202] loop0: detected capacity change from 0 to 32768 [ 55.922740][ T5202] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5202) [ 55.927641][ T5202] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.928902][ T5202] BTRFS info (device loop0): using free space tree [ 55.929955][ T5202] BTRFS info (device loop0): has skinny extents [ 55.938075][ T5202] BTRFS info (device loop0): enabling ssd optimizations [ 55.943599][ T5202] FAULT_INJECTION: forcing a failure. [ 55.943599][ T5202] name failslab, interval 1, probability 0, space 0, times 0 [ 55.945577][ T5202] CPU: 1 PID: 5202 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.947015][ T5202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.948562][ T5202] Call trace: [ 55.949052][ T5202] dump_backtrace+0x0/0x43c [ 55.949711][ T5202] show_stack+0x2c/0x3c [ 55.950320][ T5202] __dump_stack+0x30/0x40 [ 55.950986][ T5202] dump_stack_lvl+0xf8/0x160 [ 55.951615][ T5202] dump_stack+0x1c/0x5c [ 55.952213][ T5202] should_fail+0x3c0/0x51c [ 55.952870][ T5202] __should_failslab+0xbc/0x10c [ 55.953585][ T5202] should_failslab+0x10/0x28 [ 55.954227][ T5202] slab_pre_alloc_hook+0x64/0xec [ 55.954941][ T5202] kmem_cache_alloc+0x94/0x3e4 [ 55.955572][ T5202] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 55.956385][ T5202] btrfs_alloc_tree_block+0xb8c/0x112c [ 55.957153][ T5202] btrfs_force_cow_block+0x3a8/0x1700 [ 55.957927][ T5202] btrfs_cow_block+0x2d8/0x66c [ 55.958655][ T5202] btrfs_search_slot+0xa10/0x1f4c [ 55.959417][ T5202] btrfs_update_root+0xcc/0x954 [ 55.960060][ T5202] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 55.960827][ T5202] btrfs_ioctl+0x134/0xb38 [ 55.961479][ T5202] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.962206][ T5202] invoke_syscall+0x98/0x2b8 [ 55.962923][ T5202] el0_svc_common+0x138/0x258 [ 55.963702][ T5202] do_el0_svc+0x58/0x14c [ 55.964327][ T5202] el0_svc+0x78/0x1e0 [ 55.964939][ T5202] el0t_64_sync_handler+0xcc/0xe4 [ 55.965731][ T5202] el0t_64_sync+0x1a0/0x1a4 [ 56.003576][ T4346] ------------[ cut here ]------------ [ 56.004390][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.006099][ T4346] Modules linked in: [ 56.006683][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.007956][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.009404][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.010522][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.011514][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.012476][ T4346] sp : ffff80001f947740 [ 56.013101][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001831a30c [ 56.014316][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 56.015494][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.016736][ T4346] x20: ffff0000c18d1860 x19: 0000000000000000 x18: 0000000000000000 [ 56.017966][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.019103][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.020313][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.021546][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.022719][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.023874][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.025041][ T4346] Call trace: [ 56.025494][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.026451][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 56.027270][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 56.028168][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 56.028998][ T4346] close_ctree+0x608/0x84c [ 56.029660][ T4346] btrfs_put_super+0x40/0x50 [ 56.030281][ T4346] generic_shutdown_super+0x130/0x2f0 [ 56.031054][ T4346] kill_anon_super+0x4c/0x80 [ 56.031731][ T4346] btrfs_kill_super+0x40/0x58 [ 56.032409][ T4346] deactivate_locked_super+0xb8/0x13c [ 56.033178][ T4346] deactivate_super+0xf8/0x118 [ 56.033897][ T4346] cleanup_mnt+0x3a4/0x458 [ 56.034597][ T4346] __cleanup_mnt+0x20/0x30 [ 56.035253][ T4346] task_work_run+0x12c/0x1e0 [ 56.035890][ T4346] do_notify_resume+0x24b4/0x3128 [ 56.036576][ T4346] el0_svc+0xf0/0x1e0 [ 56.037135][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 56.037839][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 56.038507][ T4346] irq event stamp: 408326 [ 56.039132][ T4346] hardirqs last enabled at (408325): [] kasan_quarantine_put+0xc4/0x204 [ 56.040577][ T4346] hardirqs last disabled at (408326): [] el1_dbg+0x24/0x80 [ 56.041838][ T4346] softirqs last enabled at (408006): [] handle_softirqs+0xa4c/0xbf0 [ 56.043247][ T4346] softirqs last disabled at (407989): [] __irq_exit_rcu+0x240/0x440 [ 56.044653][ T4346] ---[ end trace 1aefd6744f3934b1 ]--- [ 56.157669][ T5224] loop0: detected capacity change from 0 to 32768 [ 56.165358][ T5224] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5224) [ 56.169166][ T5224] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.170890][ T5224] BTRFS info (device loop0): using free space tree [ 56.171745][ T5224] BTRFS info (device loop0): has skinny extents [ 56.182070][ T5224] BTRFS info (device loop0): enabling ssd optimizations [ 56.187993][ T5224] FAULT_INJECTION: forcing a failure. [ 56.187993][ T5224] name failslab, interval 1, probability 0, space 0, times 0 [ 56.190067][ T5224] CPU: 1 PID: 5224 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.191430][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.192871][ T5224] Call trace: [ 56.193330][ T5224] dump_backtrace+0x0/0x43c [ 56.194014][ T5224] show_stack+0x2c/0x3c [ 56.194635][ T5224] __dump_stack+0x30/0x40 [ 56.195249][ T5224] dump_stack_lvl+0xf8/0x160 [ 56.195937][ T5224] dump_stack+0x1c/0x5c [ 56.196581][ T5224] should_fail+0x3c0/0x51c [ 56.197260][ T5224] __should_failslab+0xbc/0x10c [ 56.198008][ T5224] should_failslab+0x10/0x28 [ 56.198675][ T5224] slab_pre_alloc_hook+0x64/0xec [ 56.199357][ T5224] kmem_cache_alloc+0x94/0x3e4 [ 56.200046][ T5224] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 56.200860][ T5224] btrfs_alloc_tree_block+0xb8c/0x112c [ 56.201662][ T5224] btrfs_force_cow_block+0x3a8/0x1700 [ 56.202393][ T5224] btrfs_cow_block+0x2d8/0x66c [ 56.203070][ T5224] btrfs_search_slot+0xa10/0x1f4c [ 56.203837][ T5224] btrfs_update_root+0xcc/0x954 [ 56.204502][ T5224] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 56.205349][ T5224] btrfs_ioctl+0x134/0xb38 [ 56.205984][ T5224] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.206724][ T5224] invoke_syscall+0x98/0x2b8 [ 56.207401][ T5224] el0_svc_common+0x138/0x258 [ 56.208059][ T5224] do_el0_svc+0x58/0x14c [ 56.208648][ T5224] el0_svc+0x78/0x1e0 [ 56.209192][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 56.209870][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 56.244732][ T4346] ------------[ cut here ]------------ [ 56.245653][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.247331][ T4346] Modules linked in: [ 56.247909][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.249263][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.250601][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.251726][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.252650][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.253578][ T4346] sp : ffff80001f947740 [ 56.254228][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001825580c [ 56.255440][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 56.256593][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.257750][ T4346] x20: ffff0000c12ac060 x19: 0000000000000000 x18: 0000000000000000 [ 56.258917][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.260135][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.261293][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.262466][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.263649][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.264871][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.266009][ T4346] Call trace: [ 56.266474][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.267404][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 56.268143][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 56.269041][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 56.269840][ T4346] close_ctree+0x608/0x84c [ 56.270525][ T4346] btrfs_put_super+0x40/0x50 [ 56.271146][ T4346] generic_shutdown_super+0x130/0x2f0 [ 56.271920][ T4346] kill_anon_super+0x4c/0x80 [ 56.272523][ T4346] btrfs_kill_super+0x40/0x58 [ 56.273200][ T4346] deactivate_locked_super+0xb8/0x13c [ 56.273968][ T4346] deactivate_super+0xf8/0x118 [ 56.274661][ T4346] cleanup_mnt+0x3a4/0x458 [ 56.275262][ T4346] __cleanup_mnt+0x20/0x30 [ 56.275894][ T4346] task_work_run+0x12c/0x1e0 [ 56.276564][ T4346] do_notify_resume+0x24b4/0x3128 [ 56.277268][ T4346] el0_svc+0xf0/0x1e0 [ 56.277825][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 56.278684][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 56.279461][ T4346] irq event stamp: 415878 [ 56.280186][ T4346] hardirqs last enabled at (415877): [] kasan_quarantine_put+0xc4/0x204 [ 56.281800][ T4346] hardirqs last disabled at (415878): [] el1_dbg+0x24/0x80 [ 56.283141][ T4346] softirqs last enabled at (415392): [] handle_softirqs+0xa4c/0xbf0 [ 56.284650][ T4346] softirqs last disabled at (415093): [] __irq_exit_rcu+0x240/0x440 [ 56.286042][ T4346] ---[ end trace 1aefd6744f3934b2 ]--- [ 56.343571][ T4651] Bluetooth: hci0: command 0x0419 tx timeout [ 56.388252][ T5246] loop0: detected capacity change from 0 to 32768 [ 56.391206][ T5246] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5246) [ 56.394891][ T5246] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.396189][ T5246] BTRFS info (device loop0): using free space tree [ 56.397759][ T5246] BTRFS info (device loop0): has skinny extents [ 56.413331][ T5246] BTRFS info (device loop0): enabling ssd optimizations [ 56.418510][ T5246] FAULT_INJECTION: forcing a failure. [ 56.418510][ T5246] name failslab, interval 1, probability 0, space 0, times 0 [ 56.420415][ T5246] CPU: 0 PID: 5246 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.421762][ T5246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.423157][ T5246] Call trace: [ 56.423614][ T5246] dump_backtrace+0x0/0x43c [ 56.424238][ T5246] show_stack+0x2c/0x3c [ 56.424876][ T5246] __dump_stack+0x30/0x40 [ 56.425498][ T5246] dump_stack_lvl+0xf8/0x160 [ 56.426198][ T5246] dump_stack+0x1c/0x5c [ 56.426850][ T5246] should_fail+0x3c0/0x51c [ 56.427518][ T5246] __should_failslab+0xbc/0x10c [ 56.428272][ T5246] should_failslab+0x10/0x28 [ 56.428944][ T5246] slab_pre_alloc_hook+0x64/0xec [ 56.429712][ T5246] kmem_cache_alloc+0x94/0x3e4 [ 56.430391][ T5246] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 56.431231][ T5246] btrfs_alloc_tree_block+0xb8c/0x112c [ 56.432020][ T5246] btrfs_force_cow_block+0x3a8/0x1700 [ 56.432850][ T5246] btrfs_cow_block+0x2d8/0x66c [ 56.433547][ T5246] btrfs_search_slot+0xa10/0x1f4c [ 56.434302][ T5246] btrfs_update_root+0xcc/0x954 [ 56.435010][ T5246] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 56.435820][ T5246] btrfs_ioctl+0x134/0xb38 [ 56.436421][ T5246] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.437121][ T5246] invoke_syscall+0x98/0x2b8 [ 56.437768][ T5246] el0_svc_common+0x138/0x258 [ 56.438428][ T5246] do_el0_svc+0x58/0x14c [ 56.439041][ T5246] el0_svc+0x78/0x1e0 [ 56.439564][ T5246] el0t_64_sync_handler+0xcc/0xe4 [ 56.440294][ T5246] el0t_64_sync+0x1a0/0x1a4 [ 56.473212][ T4346] ------------[ cut here ]------------ [ 56.474145][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.475941][ T4346] Modules linked in: [ 56.476511][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.477838][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.479219][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.480260][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.481284][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.482252][ T4346] sp : ffff80001f947740 [ 56.482843][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001a4d5f0c [ 56.484071][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 56.485348][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.486577][ T4346] x20: ffff0000d26af860 x19: 0000000000000000 x18: 0000000000000000 [ 56.487825][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.489047][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.490148][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.491279][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.492429][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.493600][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.494803][ T4346] Call trace: [ 56.495281][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.496258][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 56.497052][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 56.497990][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 56.498809][ T4346] close_ctree+0x608/0x84c [ 56.499412][ T4346] btrfs_put_super+0x40/0x50 [ 56.500074][ T4346] generic_shutdown_super+0x130/0x2f0 [ 56.500853][ T4346] kill_anon_super+0x4c/0x80 [ 56.501502][ T4346] btrfs_kill_super+0x40/0x58 [ 56.502192][ T4346] deactivate_locked_super+0xb8/0x13c [ 56.503002][ T4346] deactivate_super+0xf8/0x118 [ 56.503729][ T4346] cleanup_mnt+0x3a4/0x458 [ 56.504368][ T4346] __cleanup_mnt+0x20/0x30 [ 56.504976][ T4346] task_work_run+0x12c/0x1e0 [ 56.505663][ T4346] do_notify_resume+0x24b4/0x3128 [ 56.506353][ T4346] el0_svc+0xf0/0x1e0 [ 56.506948][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 56.507637][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 56.508283][ T4346] irq event stamp: 423906 [ 56.508900][ T4346] hardirqs last enabled at (423905): [] kasan_quarantine_put+0xc4/0x204 [ 56.510314][ T4346] hardirqs last disabled at (423906): [] el1_dbg+0x24/0x80 [ 56.511661][ T4346] softirqs last enabled at (423882): [] handle_softirqs+0xa4c/0xbf0 [ 56.513010][ T4346] softirqs last disabled at (423877): [] __irq_exit_rcu+0x240/0x440 [ 56.514370][ T4346] ---[ end trace 1aefd6744f3934b3 ]--- [ 56.617634][ T5268] loop0: detected capacity change from 0 to 32768 [ 56.655325][ T5268] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5268) [ 56.664556][ T5268] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.665864][ T5268] BTRFS info (device loop0): using free space tree [ 56.666861][ T5268] BTRFS info (device loop0): has skinny extents [ 56.684316][ T5268] BTRFS info (device loop0): enabling ssd optimizations [ 56.690323][ T5268] FAULT_INJECTION: forcing a failure. [ 56.690323][ T5268] name failslab, interval 1, probability 0, space 0, times 0 [ 56.692421][ T5268] CPU: 1 PID: 5268 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.693993][ T5268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.695666][ T5268] Call trace: [ 56.696205][ T5268] dump_backtrace+0x0/0x43c [ 56.696941][ T5268] show_stack+0x2c/0x3c [ 56.697587][ T5268] __dump_stack+0x30/0x40 [ 56.698229][ T5268] dump_stack_lvl+0xf8/0x160 [ 56.698876][ T5268] dump_stack+0x1c/0x5c [ 56.699495][ T5268] should_fail+0x3c0/0x51c [ 56.700173][ T5268] __should_failslab+0xbc/0x10c [ 56.700886][ T5268] should_failslab+0x10/0x28 [ 56.701579][ T5268] slab_pre_alloc_hook+0x64/0xec [ 56.702280][ T5268] kmem_cache_alloc+0x94/0x3e4 [ 56.703004][ T5268] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 56.703812][ T5268] btrfs_alloc_tree_block+0xb8c/0x112c [ 56.704596][ T5268] btrfs_force_cow_block+0x3a8/0x1700 [ 56.705420][ T5268] btrfs_cow_block+0x2d8/0x66c [ 56.706129][ T5268] btrfs_search_slot+0xa10/0x1f4c [ 56.706889][ T5268] btrfs_update_root+0xcc/0x954 [ 56.707596][ T5268] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 56.708463][ T5268] btrfs_ioctl+0x134/0xb38 [ 56.709080][ T5268] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.709763][ T5268] invoke_syscall+0x98/0x2b8 [ 56.710440][ T5268] el0_svc_common+0x138/0x258 [ 56.711141][ T5268] do_el0_svc+0x58/0x14c [ 56.711787][ T5268] el0_svc+0x78/0x1e0 [ 56.712407][ T5268] el0t_64_sync_handler+0xcc/0xe4 [ 56.713227][ T5268] el0t_64_sync+0x1a0/0x1a4 [ 56.744704][ T4346] ------------[ cut here ]------------ [ 56.745551][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.747312][ T4346] Modules linked in: [ 56.747923][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.749322][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.750847][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.752011][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.753014][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.754133][ T4346] sp : ffff80001f947740 [ 56.754784][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001834040c [ 56.756044][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 56.757265][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.758509][ T4346] x20: ffff0000c1a02060 x19: 0000000000000000 x18: 0000000000000000 [ 56.759690][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.760953][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.762246][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.763493][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.764889][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.766208][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.767520][ T4346] Call trace: [ 56.767987][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.769005][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 56.769831][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 56.770776][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 56.771662][ T4346] close_ctree+0x608/0x84c [ 56.772365][ T4346] btrfs_put_super+0x40/0x50 [ 56.773051][ T4346] generic_shutdown_super+0x130/0x2f0 [ 56.773833][ T4346] kill_anon_super+0x4c/0x80 [ 56.774473][ T4346] btrfs_kill_super+0x40/0x58 [ 56.775139][ T4346] deactivate_locked_super+0xb8/0x13c [ 56.775892][ T4346] deactivate_super+0xf8/0x118 [ 56.776573][ T4346] cleanup_mnt+0x3a4/0x458 [ 56.777198][ T4346] __cleanup_mnt+0x20/0x30 [ 56.777814][ T4346] task_work_run+0x12c/0x1e0 [ 56.778463][ T4346] do_notify_resume+0x24b4/0x3128 [ 56.779190][ T4346] el0_svc+0xf0/0x1e0 [ 56.779839][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 56.780603][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 56.781301][ T4346] irq event stamp: 433036 [ 56.781930][ T4346] hardirqs last enabled at (433035): [] kasan_quarantine_put+0xc4/0x204 [ 56.783433][ T4346] hardirqs last disabled at (433036): [] el1_dbg+0x24/0x80 [ 56.784720][ T4346] softirqs last enabled at (432942): [] handle_softirqs+0xa4c/0xbf0 [ 56.786161][ T4346] softirqs last disabled at (432893): [] __irq_exit_rcu+0x240/0x440 [ 56.787575][ T4346] ---[ end trace 1aefd6744f3934b4 ]--- [ 56.938755][ T5290] loop0: detected capacity change from 0 to 32768 [ 56.997066][ T5290] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5290) [ 57.000623][ T5290] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.002159][ T5290] BTRFS info (device loop0): using free space tree [ 57.003435][ T5290] BTRFS info (device loop0): has skinny extents [ 57.011459][ T5290] BTRFS info (device loop0): enabling ssd optimizations [ 57.017946][ T5290] FAULT_INJECTION: forcing a failure. [ 57.017946][ T5290] name failslab, interval 1, probability 0, space 0, times 0 [ 57.020104][ T5290] CPU: 0 PID: 5290 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.021551][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.023157][ T5290] Call trace: [ 57.023673][ T5290] dump_backtrace+0x0/0x43c [ 57.024402][ T5290] show_stack+0x2c/0x3c [ 57.025043][ T5290] __dump_stack+0x30/0x40 [ 57.025692][ T5290] dump_stack_lvl+0xf8/0x160 [ 57.026404][ T5290] dump_stack+0x1c/0x5c [ 57.027044][ T5290] should_fail+0x3c0/0x51c [ 57.027760][ T5290] __should_failslab+0xbc/0x10c [ 57.028503][ T5290] should_failslab+0x10/0x28 [ 57.029282][ T5290] slab_pre_alloc_hook+0x64/0xec [ 57.030082][ T5290] kmem_cache_alloc+0x94/0x3e4 [ 57.030806][ T5290] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 57.031694][ T5290] btrfs_alloc_tree_block+0xb8c/0x112c [ 57.032527][ T5290] btrfs_force_cow_block+0x3a8/0x1700 [ 57.033400][ T5290] btrfs_cow_block+0x2d8/0x66c [ 57.034108][ T5290] btrfs_search_slot+0xa10/0x1f4c [ 57.034887][ T5290] btrfs_update_root+0xcc/0x954 [ 57.035607][ T5290] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 57.036516][ T5290] btrfs_ioctl+0x134/0xb38 [ 57.037176][ T5290] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.037884][ T5290] invoke_syscall+0x98/0x2b8 [ 57.038555][ T5290] el0_svc_common+0x138/0x258 [ 57.039254][ T5290] do_el0_svc+0x58/0x14c [ 57.039864][ T5290] el0_svc+0x78/0x1e0 [ 57.040436][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 57.041166][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 57.070252][ T4346] ------------[ cut here ]------------ [ 57.071131][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.072826][ T4346] Modules linked in: [ 57.073411][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.074830][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.076386][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.077548][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.078563][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 57.079560][ T4346] sp : ffff80001f947740 [ 57.080138][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001b368c0c [ 57.081323][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 57.082459][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 57.083641][ T4346] x20: ffff0000d9b46060 x19: 0000000000000000 x18: 0000000000000000 [ 57.084839][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 57.085985][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 57.087141][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 57.088342][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 57.089470][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 57.090585][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 57.091736][ T4346] Call trace: [ 57.092201][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.093185][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 57.093975][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 57.094812][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 57.095559][ T4346] close_ctree+0x608/0x84c [ 57.096188][ T4346] btrfs_put_super+0x40/0x50 [ 57.096850][ T4346] generic_shutdown_super+0x130/0x2f0 [ 57.097618][ T4346] kill_anon_super+0x4c/0x80 [ 57.098280][ T4346] btrfs_kill_super+0x40/0x58 [ 57.098977][ T4346] deactivate_locked_super+0xb8/0x13c [ 57.099711][ T4346] deactivate_super+0xf8/0x118 [ 57.100385][ T4346] cleanup_mnt+0x3a4/0x458 [ 57.101047][ T4346] __cleanup_mnt+0x20/0x30 [ 57.101652][ T4346] task_work_run+0x12c/0x1e0 [ 57.102285][ T4346] do_notify_resume+0x24b4/0x3128 [ 57.102989][ T4346] el0_svc+0xf0/0x1e0 [ 57.103623][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 57.104379][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 57.105027][ T4346] irq event stamp: 450966 [ 57.105630][ T4346] hardirqs last enabled at (450965): [] kasan_quarantine_put+0xc4/0x204 [ 57.106990][ T4346] hardirqs last disabled at (450966): [] el1_dbg+0x24/0x80 [ 57.108224][ T4346] softirqs last enabled at (449908): [] local_bh_enable+0x10/0x34 [ 57.109513][ T4346] softirqs last disabled at (449906): [] local_bh_disable+0x10/0x34 [ 57.110835][ T4346] ---[ end trace 1aefd6744f3934b5 ]--- [ 57.246933][ T5312] loop0: detected capacity change from 0 to 32768 [ 57.324454][ T5312] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5312) [ 57.365271][ T5312] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.366679][ T5312] BTRFS info (device loop0): using free space tree [ 57.367866][ T5312] BTRFS info (device loop0): has skinny extents [ 57.379455][ T5312] BTRFS info (device loop0): enabling ssd optimizations [ 57.385938][ T5312] FAULT_INJECTION: forcing a failure. [ 57.385938][ T5312] name failslab, interval 1, probability 0, space 0, times 0 [ 57.388041][ T5312] CPU: 1 PID: 5312 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.389321][ T5312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.390845][ T5312] Call trace: [ 57.391305][ T5312] dump_backtrace+0x0/0x43c [ 57.391998][ T5312] show_stack+0x2c/0x3c [ 57.392596][ T5312] __dump_stack+0x30/0x40 [ 57.393250][ T5312] dump_stack_lvl+0xf8/0x160 [ 57.393942][ T5312] dump_stack+0x1c/0x5c [ 57.394543][ T5312] should_fail+0x3c0/0x51c [ 57.395159][ T5312] __should_failslab+0xbc/0x10c [ 57.395923][ T5312] should_failslab+0x10/0x28 [ 57.396629][ T5312] slab_pre_alloc_hook+0x64/0xec [ 57.397457][ T5312] kmem_cache_alloc+0x94/0x3e4 [ 57.398179][ T5312] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 57.399004][ T5312] btrfs_alloc_tree_block+0xb8c/0x112c [ 57.399831][ T5312] btrfs_force_cow_block+0x3a8/0x1700 [ 57.400644][ T5312] btrfs_cow_block+0x2d8/0x66c [ 57.401352][ T5312] btrfs_search_slot+0xa10/0x1f4c [ 57.402084][ T5312] btrfs_update_root+0xcc/0x954 [ 57.402802][ T5312] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 57.403669][ T5312] btrfs_ioctl+0x134/0xb38 [ 57.404309][ T5312] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.405049][ T5312] invoke_syscall+0x98/0x2b8 [ 57.405687][ T5312] el0_svc_common+0x138/0x258 [ 57.406398][ T5312] do_el0_svc+0x58/0x14c [ 57.407021][ T5312] el0_svc+0x78/0x1e0 [ 57.407572][ T5312] el0t_64_sync_handler+0xcc/0xe4 [ 57.408349][ T5312] el0t_64_sync+0x1a0/0x1a4 [ 57.438567][ T4346] ------------[ cut here ]------------ [ 57.439390][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.440979][ T4346] Modules linked in: [ 57.441490][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.442839][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.444258][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.445386][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.446382][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 57.447370][ T4346] sp : ffff80001f947740 [ 57.448019][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001a4cca0c [ 57.449236][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 57.450384][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 57.451595][ T4346] x20: ffff0000d2665060 x19: 0000000000000000 x18: 0000000000000000 [ 57.452833][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 57.454069][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 57.455252][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 57.456410][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 57.457541][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 57.458661][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 57.459799][ T4346] Call trace: [ 57.460248][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.461157][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 57.461949][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 57.462748][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 57.463589][ T4346] close_ctree+0x608/0x84c [ 57.464168][ T4346] btrfs_put_super+0x40/0x50 [ 57.464821][ T4346] generic_shutdown_super+0x130/0x2f0 [ 57.465544][ T4346] kill_anon_super+0x4c/0x80 [ 57.466165][ T4346] btrfs_kill_super+0x40/0x58 [ 57.466827][ T4346] deactivate_locked_super+0xb8/0x13c [ 57.467554][ T4346] deactivate_super+0xf8/0x118 [ 57.468188][ T4346] cleanup_mnt+0x3a4/0x458 [ 57.468793][ T4346] __cleanup_mnt+0x20/0x30 [ 57.469445][ T4346] task_work_run+0x12c/0x1e0 [ 57.470140][ T4346] do_notify_resume+0x24b4/0x3128 [ 57.470929][ T4346] el0_svc+0xf0/0x1e0 [ 57.471534][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 57.472305][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 57.472943][ T4346] irq event stamp: 460146 [ 57.473568][ T4346] hardirqs last enabled at (460145): [] kasan_quarantine_put+0xc4/0x204 [ 57.475112][ T4346] hardirqs last disabled at (460146): [] el1_dbg+0x24/0x80 [ 57.476437][ T4346] softirqs last enabled at (458968): [] local_bh_enable+0x10/0x34 [ 57.477904][ T4346] softirqs last disabled at (458966): [] local_bh_disable+0x10/0x34 [ 57.479290][ T4346] ---[ end trace 1aefd6744f3934b6 ]--- [ 57.623339][ T5333] loop0: detected capacity change from 0 to 32768 [ 57.687281][ T5333] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5333) [ 57.691873][ T5333] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.693515][ T5333] BTRFS info (device loop0): using free space tree [ 57.694648][ T5333] BTRFS info (device loop0): has skinny extents [ 57.702071][ T5333] BTRFS info (device loop0): enabling ssd optimizations [ 57.708569][ T5333] FAULT_INJECTION: forcing a failure. [ 57.708569][ T5333] name failslab, interval 1, probability 0, space 0, times 0 [ 57.710644][ T5333] CPU: 0 PID: 5333 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.712000][ T5333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.713498][ T5333] Call trace: [ 57.713957][ T5333] dump_backtrace+0x0/0x43c [ 57.714639][ T5333] show_stack+0x2c/0x3c [ 57.715288][ T5333] __dump_stack+0x30/0x40 [ 57.715924][ T5333] dump_stack_lvl+0xf8/0x160 [ 57.716619][ T5333] dump_stack+0x1c/0x5c [ 57.717227][ T5333] should_fail+0x3c0/0x51c [ 57.717869][ T5333] __should_failslab+0xbc/0x10c [ 57.718547][ T5333] should_failslab+0x10/0x28 [ 57.719235][ T5333] slab_pre_alloc_hook+0x64/0xec [ 57.719941][ T5333] kmem_cache_alloc+0x94/0x3e4 [ 57.720599][ T5333] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 57.721427][ T5333] btrfs_alloc_tree_block+0xb8c/0x112c [ 57.722259][ T5333] btrfs_force_cow_block+0x3a8/0x1700 [ 57.723092][ T5333] btrfs_cow_block+0x2d8/0x66c [ 57.723782][ T5333] btrfs_search_slot+0xa10/0x1f4c [ 57.724540][ T5333] btrfs_update_root+0xcc/0x954 [ 57.725216][ T5333] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 57.726134][ T5333] btrfs_ioctl+0x134/0xb38 [ 57.726788][ T5333] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.727520][ T5333] invoke_syscall+0x98/0x2b8 [ 57.728188][ T5333] el0_svc_common+0x138/0x258 [ 57.728872][ T5333] do_el0_svc+0x58/0x14c [ 57.729491][ T5333] el0_svc+0x78/0x1e0 [ 57.730065][ T5333] el0t_64_sync_handler+0xcc/0xe4 [ 57.730722][ T5333] el0t_64_sync+0x1a0/0x1a4 [ 57.762192][ T4346] ------------[ cut here ]------------ [ 57.763070][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.764910][ T4346] Modules linked in: [ 57.765460][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.766663][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.768037][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.769045][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.770043][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 57.771073][ T4346] sp : ffff80001f947740 [ 57.771790][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001a977f0c [ 57.773110][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 57.774358][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 57.775599][ T4346] x20: ffff0000d4bbf860 x19: 0000000000000000 x18: 0000000000000000 [ 57.776851][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 57.778073][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 57.779339][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 57.780562][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 57.781680][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 57.782873][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 57.784027][ T4346] Call trace: [ 57.784470][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.785448][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 57.786254][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 57.787152][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 57.787894][ T4346] close_ctree+0x608/0x84c [ 57.788549][ T4346] btrfs_put_super+0x40/0x50 [ 57.789225][ T4346] generic_shutdown_super+0x130/0x2f0 [ 57.790014][ T4346] kill_anon_super+0x4c/0x80 [ 57.790668][ T4346] btrfs_kill_super+0x40/0x58 [ 57.791402][ T4346] deactivate_locked_super+0xb8/0x13c [ 57.792216][ T4346] deactivate_super+0xf8/0x118 [ 57.792860][ T4346] cleanup_mnt+0x3a4/0x458 [ 57.793492][ T4346] __cleanup_mnt+0x20/0x30 [ 57.794136][ T4346] task_work_run+0x12c/0x1e0 [ 57.794798][ T4346] do_notify_resume+0x24b4/0x3128 [ 57.795563][ T4346] el0_svc+0xf0/0x1e0 [ 57.796114][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 57.796900][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 57.797591][ T4346] irq event stamp: 478522 [ 57.798180][ T4346] hardirqs last enabled at (478521): [] kasan_quarantine_put+0xc4/0x204 [ 57.799657][ T4346] hardirqs last disabled at (478522): [] el1_dbg+0x24/0x80 [ 57.800847][ T4346] softirqs last enabled at (477326): [] local_bh_enable+0x10/0x34 [ 57.802137][ T4346] softirqs last disabled at (477324): [] local_bh_disable+0x10/0x34 [ 57.803522][ T4346] ---[ end trace 1aefd6744f3934b7 ]--- [ 57.940505][ T5355] loop0: detected capacity change from 0 to 32768 [ 57.985160][ T5355] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5355) [ 57.990075][ T5355] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.991560][ T5355] BTRFS info (device loop0): using free space tree [ 57.992495][ T5355] BTRFS info (device loop0): has skinny extents [ 58.000146][ T5355] BTRFS info (device loop0): enabling ssd optimizations [ 58.007279][ T5355] FAULT_INJECTION: forcing a failure. [ 58.007279][ T5355] name failslab, interval 1, probability 0, space 0, times 0 [ 58.009357][ T5355] CPU: 0 PID: 5355 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.010584][ T5355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.012063][ T5355] Call trace: [ 58.012518][ T5355] dump_backtrace+0x0/0x43c [ 58.013171][ T5355] show_stack+0x2c/0x3c [ 58.013771][ T5355] __dump_stack+0x30/0x40 [ 58.014401][ T5355] dump_stack_lvl+0xf8/0x160 [ 58.015083][ T5355] dump_stack+0x1c/0x5c [ 58.015707][ T5355] should_fail+0x3c0/0x51c [ 58.016337][ T5355] __should_failslab+0xbc/0x10c [ 58.017025][ T5355] should_failslab+0x10/0x28 [ 58.017625][ T5355] slab_pre_alloc_hook+0x64/0xec [ 58.018312][ T5355] kmem_cache_alloc+0x94/0x3e4 [ 58.018956][ T5355] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 58.019804][ T5355] btrfs_alloc_tree_block+0xb8c/0x112c [ 58.020552][ T5355] btrfs_force_cow_block+0x3a8/0x1700 [ 58.021283][ T5355] btrfs_cow_block+0x2d8/0x66c [ 58.021930][ T5355] btrfs_search_slot+0xa10/0x1f4c [ 58.022637][ T5355] btrfs_update_root+0xcc/0x954 [ 58.023327][ T5355] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 58.024181][ T5355] btrfs_ioctl+0x134/0xb38 [ 58.024853][ T5355] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.025540][ T5355] invoke_syscall+0x98/0x2b8 [ 58.026193][ T5355] el0_svc_common+0x138/0x258 [ 58.026821][ T5355] do_el0_svc+0x58/0x14c [ 58.027446][ T5355] el0_svc+0x78/0x1e0 [ 58.027972][ T5355] el0t_64_sync_handler+0xcc/0xe4 [ 58.028737][ T5355] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:58 executed programs: 28 [ 58.061681][ T4346] ------------[ cut here ]------------ [ 58.062550][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.064231][ T4346] Modules linked in: [ 58.064804][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.066083][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.067472][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.068602][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.069624][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.070653][ T4346] sp : ffff80001f947740 [ 58.071182][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001ae9b90c [ 58.072278][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 58.073567][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.074738][ T4346] x20: ffff0000d74dc860 x19: 0000000000000000 x18: 0000000000000000 [ 58.075917][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.077099][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.078252][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.079519][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.080789][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.082020][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.083146][ T4346] Call trace: [ 58.083634][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.084601][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 58.085429][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 58.086317][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 58.087145][ T4346] close_ctree+0x608/0x84c [ 58.087828][ T4346] btrfs_put_super+0x40/0x50 [ 58.088475][ T4346] generic_shutdown_super+0x130/0x2f0 [ 58.089257][ T4346] kill_anon_super+0x4c/0x80 [ 58.089941][ T4346] btrfs_kill_super+0x40/0x58 [ 58.090665][ T4346] deactivate_locked_super+0xb8/0x13c [ 58.091459][ T4346] deactivate_super+0xf8/0x118 [ 58.092166][ T4346] cleanup_mnt+0x3a4/0x458 [ 58.092753][ T4346] __cleanup_mnt+0x20/0x30 [ 58.093421][ T4346] task_work_run+0x12c/0x1e0 [ 58.094079][ T4346] do_notify_resume+0x24b4/0x3128 [ 58.094857][ T4346] el0_svc+0xf0/0x1e0 [ 58.095415][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 58.096154][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 58.096779][ T4346] irq event stamp: 496590 [ 58.097345][ T4346] hardirqs last enabled at (496589): [] kasan_quarantine_put+0xc4/0x204 [ 58.098676][ T4346] hardirqs last disabled at (496590): [] el1_dbg+0x24/0x80 [ 58.099872][ T4346] softirqs last enabled at (495798): [] local_bh_enable+0x10/0x34 [ 58.101165][ T4346] softirqs last disabled at (495796): [] local_bh_disable+0x10/0x34 [ 58.102461][ T4346] ---[ end trace 1aefd6744f3934b8 ]--- [ 58.211765][ T5377] loop0: detected capacity change from 0 to 32768 [ 58.247455][ T5377] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5377) [ 58.250910][ T5377] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 58.252309][ T5377] BTRFS info (device loop0): using free space tree [ 58.253449][ T5377] BTRFS info (device loop0): has skinny extents [ 58.262352][ T5377] BTRFS info (device loop0): enabling ssd optimizations [ 58.269217][ T5377] FAULT_INJECTION: forcing a failure. [ 58.269217][ T5377] name failslab, interval 1, probability 0, space 0, times 0 [ 58.271303][ T5377] CPU: 0 PID: 5377 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.272705][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.274322][ T5377] Call trace: [ 58.274875][ T5377] dump_backtrace+0x0/0x43c [ 58.275537][ T5377] show_stack+0x2c/0x3c [ 58.276154][ T5377] __dump_stack+0x30/0x40 [ 58.276811][ T5377] dump_stack_lvl+0xf8/0x160 [ 58.277469][ T5377] dump_stack+0x1c/0x5c [ 58.278130][ T5377] should_fail+0x3c0/0x51c [ 58.278743][ T5377] __should_failslab+0xbc/0x10c [ 58.279443][ T5377] should_failslab+0x10/0x28 [ 58.280196][ T5377] slab_pre_alloc_hook+0x64/0xec [ 58.280954][ T5377] kmem_cache_alloc+0x94/0x3e4 [ 58.281653][ T5377] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 58.282446][ T5377] btrfs_alloc_tree_block+0xb8c/0x112c [ 58.283261][ T5377] btrfs_force_cow_block+0x3a8/0x1700 [ 58.284055][ T5377] btrfs_cow_block+0x2d8/0x66c [ 58.284708][ T5377] btrfs_search_slot+0xa10/0x1f4c [ 58.285409][ T5377] btrfs_update_root+0xcc/0x954 [ 58.286095][ T5377] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 58.287024][ T5377] btrfs_ioctl+0x134/0xb38 [ 58.287624][ T5377] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.288288][ T5377] invoke_syscall+0x98/0x2b8 [ 58.288914][ T5377] el0_svc_common+0x138/0x258 [ 58.289539][ T5377] do_el0_svc+0x58/0x14c [ 58.290131][ T5377] el0_svc+0x78/0x1e0 [ 58.290702][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 58.291408][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 58.319476][ T4346] ------------[ cut here ]------------ [ 58.320408][ T4346] WARNING: CPU: 1 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.322063][ T4346] Modules linked in: [ 58.322678][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.324048][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.325540][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.326715][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.327774][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.328812][ T4346] sp : ffff80001f947740 [ 58.329392][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001841cc0c [ 58.330593][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 58.331778][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.332952][ T4346] x20: ffff0000c20e6060 x19: 0000000000000000 x18: 0000000000000000 [ 58.334047][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.335211][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.336297][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.337485][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.338663][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.339825][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.341027][ T4346] Call trace: [ 58.341492][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.342434][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 58.343216][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 58.344045][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 58.344841][ T4346] close_ctree+0x608/0x84c [ 58.345520][ T4346] btrfs_put_super+0x40/0x50 [ 58.346158][ T4346] generic_shutdown_super+0x130/0x2f0 [ 58.346916][ T4346] kill_anon_super+0x4c/0x80 [ 58.347674][ T4346] btrfs_kill_super+0x40/0x58 [ 58.348380][ T4346] deactivate_locked_super+0xb8/0x13c [ 58.349167][ T4346] deactivate_super+0xf8/0x118 [ 58.349904][ T4346] cleanup_mnt+0x3a4/0x458 [ 58.350535][ T4346] __cleanup_mnt+0x20/0x30 [ 58.351200][ T4346] task_work_run+0x12c/0x1e0 [ 58.351839][ T4346] do_notify_resume+0x24b4/0x3128 [ 58.352537][ T4346] el0_svc+0xf0/0x1e0 [ 58.353076][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 58.353784][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 58.354463][ T4346] irq event stamp: 504126 [ 58.355078][ T4346] hardirqs last enabled at (504125): [] kasan_quarantine_put+0xc4/0x204 [ 58.356478][ T4346] hardirqs last disabled at (504126): [] el1_dbg+0x24/0x80 [ 58.357748][ T4346] softirqs last enabled at (503278): [] local_bh_enable+0x10/0x34 [ 58.359243][ T4346] softirqs last disabled at (503276): [] local_bh_disable+0x10/0x34 [ 58.360576][ T4346] ---[ end trace 1aefd6744f3934b9 ]--- [ 58.513501][ T5399] loop0: detected capacity change from 0 to 32768 [ 58.564876][ T5399] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5399) [ 58.567940][ T5399] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 58.569467][ T5399] BTRFS info (device loop0): using free space tree [ 58.570343][ T5399] BTRFS info (device loop0): has skinny extents [ 58.578930][ T5399] BTRFS info (device loop0): enabling ssd optimizations [ 58.594893][ T5399] FAULT_INJECTION: forcing a failure. [ 58.594893][ T5399] name failslab, interval 1, probability 0, space 0, times 0 [ 58.596943][ T5399] CPU: 0 PID: 5399 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.598230][ T5399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.599663][ T5399] Call trace: [ 58.600184][ T5399] dump_backtrace+0x0/0x43c [ 58.600884][ T5399] show_stack+0x2c/0x3c [ 58.601457][ T5399] __dump_stack+0x30/0x40 [ 58.602069][ T5399] dump_stack_lvl+0xf8/0x160 [ 58.602726][ T5399] dump_stack+0x1c/0x5c [ 58.603389][ T5399] should_fail+0x3c0/0x51c [ 58.604068][ T5399] __should_failslab+0xbc/0x10c [ 58.604770][ T5399] should_failslab+0x10/0x28 [ 58.605415][ T5399] slab_pre_alloc_hook+0x64/0xec [ 58.606092][ T5399] kmem_cache_alloc+0x94/0x3e4 [ 58.606801][ T5399] btrfs_alloc_tree_block+0xa30/0x112c [ 58.607547][ T5399] btrfs_force_cow_block+0x3a8/0x1700 [ 58.608326][ T5399] btrfs_cow_block+0x2d8/0x66c [ 58.609024][ T5399] btrfs_search_slot+0xa10/0x1f4c [ 58.609784][ T5399] btrfs_update_root+0xcc/0x954 [ 58.610507][ T5399] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 58.611308][ T5399] btrfs_ioctl+0x134/0xb38 [ 58.611998][ T5399] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.612691][ T5399] invoke_syscall+0x98/0x2b8 [ 58.613342][ T5399] el0_svc_common+0x138/0x258 [ 58.614049][ T5399] do_el0_svc+0x58/0x14c [ 58.614663][ T5399] el0_svc+0x78/0x1e0 [ 58.615236][ T5399] el0t_64_sync_handler+0xcc/0xe4 [ 58.615941][ T5399] el0t_64_sync+0x1a0/0x1a4 [ 58.644366][ T4346] ------------[ cut here ]------------ [ 58.645169][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.646930][ T4346] Modules linked in: [ 58.647519][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.648795][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.650186][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.651296][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.652325][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.653396][ T4346] sp : ffff80001f947740 [ 58.654010][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001bb3b70c [ 58.655239][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 58.656405][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.657627][ T4346] x20: ffff0000dd9db860 x19: 0000000000000000 x18: 0000000000000000 [ 58.658823][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.659971][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.661180][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.662322][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.663518][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.664653][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.665831][ T4346] Call trace: [ 58.666275][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.667447][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 58.668379][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 58.669405][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 58.670245][ T4346] close_ctree+0x608/0x84c [ 58.670934][ T4346] btrfs_put_super+0x40/0x50 [ 58.671589][ T4346] generic_shutdown_super+0x130/0x2f0 [ 58.672363][ T4346] kill_anon_super+0x4c/0x80 [ 58.673050][ T4346] btrfs_kill_super+0x40/0x58 [ 58.673741][ T4346] deactivate_locked_super+0xb8/0x13c [ 58.674557][ T4346] deactivate_super+0xf8/0x118 [ 58.675284][ T4346] cleanup_mnt+0x3a4/0x458 [ 58.675878][ T4346] __cleanup_mnt+0x20/0x30 [ 58.676540][ T4346] task_work_run+0x12c/0x1e0 [ 58.677248][ T4346] do_notify_resume+0x24b4/0x3128 [ 58.678026][ T4346] el0_svc+0xf0/0x1e0 [ 58.678620][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 58.679371][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 58.680060][ T4346] irq event stamp: 522880 [ 58.680698][ T4346] hardirqs last enabled at (522879): [] kasan_quarantine_put+0xc4/0x204 [ 58.682305][ T4346] hardirqs last disabled at (522880): [] el1_dbg+0x24/0x80 [ 58.683657][ T4346] softirqs last enabled at (522764): [] handle_softirqs+0xa4c/0xbf0 [ 58.685135][ T4346] softirqs last disabled at (522757): [] __irq_exit_rcu+0x240/0x440 [ 58.686593][ T4346] ---[ end trace 1aefd6744f3934ba ]--- [ 58.821679][ T5421] loop0: detected capacity change from 0 to 32768 [ 58.858910][ T5421] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5421) [ 58.861975][ T5421] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 58.863418][ T5421] BTRFS info (device loop0): using free space tree [ 58.864372][ T5421] BTRFS info (device loop0): has skinny extents [ 58.872964][ T5421] BTRFS info (device loop0): enabling ssd optimizations [ 58.879611][ T5421] FAULT_INJECTION: forcing a failure. [ 58.879611][ T5421] name failslab, interval 1, probability 0, space 0, times 0 [ 58.881738][ T5421] CPU: 0 PID: 5421 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.882990][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.884412][ T5421] Call trace: [ 58.884875][ T5421] dump_backtrace+0x0/0x43c [ 58.885553][ T5421] show_stack+0x2c/0x3c [ 58.886150][ T5421] __dump_stack+0x30/0x40 [ 58.886743][ T5421] dump_stack_lvl+0xf8/0x160 [ 58.887423][ T5421] dump_stack+0x1c/0x5c [ 58.888073][ T5421] should_fail+0x3c0/0x51c [ 58.888684][ T5421] __should_failslab+0xbc/0x10c [ 58.889337][ T5421] should_failslab+0x10/0x28 [ 58.889952][ T5421] slab_pre_alloc_hook+0x64/0xec [ 58.890665][ T5421] kmem_cache_alloc+0x94/0x3e4 [ 58.891336][ T5421] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 58.892173][ T5421] btrfs_alloc_tree_block+0xb8c/0x112c [ 58.892900][ T5421] btrfs_force_cow_block+0x3a8/0x1700 [ 58.893646][ T5421] btrfs_cow_block+0x2d8/0x66c [ 58.894289][ T5421] btrfs_search_slot+0xa10/0x1f4c [ 58.894973][ T5421] btrfs_update_root+0xcc/0x954 [ 58.895791][ T5421] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 58.896730][ T5421] btrfs_ioctl+0x134/0xb38 [ 58.897409][ T5421] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.898231][ T5421] invoke_syscall+0x98/0x2b8 [ 58.898978][ T5421] el0_svc_common+0x138/0x258 [ 58.899648][ T5421] do_el0_svc+0x58/0x14c [ 58.900245][ T5421] el0_svc+0x78/0x1e0 [ 58.900835][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 58.901542][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 58.932459][ T4346] ------------[ cut here ]------------ [ 58.933316][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.934957][ T4346] Modules linked in: [ 58.935507][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.936822][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.938256][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.939435][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.940485][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.941536][ T4346] sp : ffff80001f947740 [ 58.942135][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001b2df60c [ 58.943349][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 58.944538][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.945684][ T4346] x20: ffff0000d96fb060 x19: 0000000000000000 x18: 0000000000000000 [ 58.946821][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.948000][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.949166][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.950300][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.951489][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.952627][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.953811][ T4346] Call trace: [ 58.954228][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.955186][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 58.955979][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 58.956806][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 58.957647][ T4346] close_ctree+0x608/0x84c [ 58.958253][ T4346] btrfs_put_super+0x40/0x50 [ 58.958936][ T4346] generic_shutdown_super+0x130/0x2f0 [ 58.959660][ T4346] kill_anon_super+0x4c/0x80 [ 58.960321][ T4346] btrfs_kill_super+0x40/0x58 [ 58.960970][ T4346] deactivate_locked_super+0xb8/0x13c [ 58.961777][ T4346] deactivate_super+0xf8/0x118 [ 58.962463][ T4346] cleanup_mnt+0x3a4/0x458 [ 58.963108][ T4346] __cleanup_mnt+0x20/0x30 [ 58.963757][ T4346] task_work_run+0x12c/0x1e0 [ 58.964393][ T4346] do_notify_resume+0x24b4/0x3128 [ 58.965092][ T4346] el0_svc+0xf0/0x1e0 [ 58.965668][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 58.966377][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 58.967050][ T4346] irq event stamp: 541312 [ 58.967613][ T4346] hardirqs last enabled at (541311): [] kasan_quarantine_put+0xc4/0x204 [ 58.969039][ T4346] hardirqs last disabled at (541312): [] el1_dbg+0x24/0x80 [ 58.970218][ T4346] softirqs last enabled at (540042): [] local_bh_enable+0x10/0x34 [ 58.971666][ T4346] softirqs last disabled at (540040): [] local_bh_disable+0x10/0x34 [ 58.972967][ T4346] ---[ end trace 1aefd6744f3934bb ]--- [ 59.160550][ T5443] loop0: detected capacity change from 0 to 32768 [ 59.198319][ T5443] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5443) [ 59.202176][ T5443] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 59.203763][ T5443] BTRFS info (device loop0): using free space tree [ 59.204932][ T5443] BTRFS info (device loop0): has skinny extents [ 59.212612][ T5443] BTRFS info (device loop0): enabling ssd optimizations [ 59.219248][ T5443] FAULT_INJECTION: forcing a failure. [ 59.219248][ T5443] name failslab, interval 1, probability 0, space 0, times 0 [ 59.221390][ T5443] CPU: 1 PID: 5443 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.222611][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.224124][ T5443] Call trace: [ 59.224592][ T5443] dump_backtrace+0x0/0x43c [ 59.225231][ T5443] show_stack+0x2c/0x3c [ 59.225815][ T5443] __dump_stack+0x30/0x40 [ 59.226419][ T5443] dump_stack_lvl+0xf8/0x160 [ 59.227155][ T5443] dump_stack+0x1c/0x5c [ 59.227774][ T5443] should_fail+0x3c0/0x51c [ 59.228438][ T5443] __should_failslab+0xbc/0x10c [ 59.229127][ T5443] should_failslab+0x10/0x28 [ 59.229802][ T5443] slab_pre_alloc_hook+0x64/0xec [ 59.230503][ T5443] kmem_cache_alloc+0x94/0x3e4 [ 59.231221][ T5443] btrfs_alloc_tree_block+0xa30/0x112c [ 59.232033][ T5443] btrfs_force_cow_block+0x3a8/0x1700 [ 59.232765][ T5443] btrfs_cow_block+0x2d8/0x66c [ 59.233447][ T5443] btrfs_search_slot+0xa10/0x1f4c [ 59.234206][ T5443] btrfs_update_root+0xcc/0x954 [ 59.234896][ T5443] btrfs_ioctl_subvol_setflags+0x48c/0x72c [ 59.235748][ T5443] btrfs_ioctl+0x134/0xb38 [ 59.236501][ T5443] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.237272][ T5443] invoke_syscall+0x98/0x2b8 [ 59.238036][ T5443] el0_svc_common+0x138/0x258 [ 59.238762][ T5443] do_el0_svc+0x58/0x14c [ 59.239417][ T5443] el0_svc+0x78/0x1e0 [ 59.239998][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 59.240842][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 59.269055][ T4346] ------------[ cut here ]------------ [ 59.269909][ T4346] WARNING: CPU: 0 PID: 4346 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.271578][ T4346] Modules linked in: [ 59.272171][ T4346] CPU: 0 PID: 4346 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.273533][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.275034][ T4346] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.276291][ T4346] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.277317][ T4346] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 59.278387][ T4346] sp : ffff80001f947740 [ 59.279057][ T4346] x29: ffff80001f947750 x28: dfff800000000000 x27: 1fffe0001903640c [ 59.280248][ T4346] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 59.281396][ T4346] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 59.282578][ T4346] x20: ffff0000c81b2060 x19: 0000000000000000 x18: 0000000000000000 [ 59.283796][ T4346] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 59.284913][ T4346] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 59.286053][ T4346] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 59.287189][ T4346] x8 : ffff0000d7278000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 59.288417][ T4346] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 59.289593][ T4346] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 59.290733][ T4346] Call trace: [ 59.291192][ T4346] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.292198][ T4346] btrfs_block_rsv_release+0x408/0x4e4 [ 59.292990][ T4346] btrfs_release_global_block_rsv+0x38/0x22c [ 59.293892][ T4346] btrfs_free_block_groups+0x7b4/0xb44 [ 59.294727][ T4346] close_ctree+0x608/0x84c [ 59.295378][ T4346] btrfs_put_super+0x40/0x50 [ 59.296106][ T4346] generic_shutdown_super+0x130/0x2f0 [ 59.296930][ T4346] kill_anon_super+0x4c/0x80 [ 59.297586][ T4346] btrfs_kill_super+0x40/0x58 [ 59.298291][ T4346] deactivate_locked_super+0xb8/0x13c [ 59.299058][ T4346] deactivate_super+0xf8/0x118 [ 59.299738][ T4346] cleanup_mnt+0x3a4/0x458 [ 59.300408][ T4346] __cleanup_mnt+0x20/0x30 [ 59.301025][ T4346] task_work_run+0x12c/0x1e0 [ 59.301691][ T4346] do_notify_resume+0x24b4/0x3128 [ 59.302419][ T4346] el0_svc+0xf0/0x1e0 [ 59.302956][ T4346] el0t_64_sync_handler+0xcc/0xe4 [ 59.303684][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 59.304328][ T4346] irq event stamp: 559374 [ 59.304929][ T4346] hardirqs last enabled at (559373): [] kasan_quarantine_put+0xc4/0x204 [ 59.306242][ T4346] hardirqs last disabled at (559374): [] el1_dbg+0x24/0x80 [ 59.307391][ T4346] softirqs last enabled at (558720): [] handle_softirqs+0xa4c/0xbf0 [ 59.308655][ T4346] softirqs last disabled at (558629): [] __irq_exit_rcu+0x240/0x440 [ 59.310045][ T4346] ---[ end trace 1aefd6744f3934bc ]--- [ 59.463523][ T5465] loop0: detected capacity change from 0 to 32768 [ 59.518205][ T5465] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5465) [ 59.522716][ T5465] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 59.524681][ T5465] BTRFS info (device loop0): using free space tree [ 59.525748][ T5465] BTRFS info (device loop0): has skinny extents [ 59.532752][ T5465] BTRFS info (device loop0): enabling ssd optimizations [ 59.539563][ T5465] FAULT_INJECTION: forcing a failure. [ 59.539563][ T5465] name failslab, interval 1, probability 0, space 0, times 0 [ 59.541571][ T5465] CPU: 0 PID: 5465 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.542871][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.544254][ T5465] Call trace: [ 59.544726][ T5465] dump_backtrace+0x0/0x43c [ 59.545420][ T5465] show_stack+0x2c/0x3c [ 59.545966][ T5465] __dump_stack+0x30/0x40 [ 59.546588][ T5465] dump_stack_lvl+0xf8/0x160