Warning: Permanently added '10.128.0.208' (ED25519) to the list of known hosts. 1970/01/01 00:00:53 ignoring optional flag "type"="gce" 1970/01/01 00:00:53 parsed 1 programs [ 53.684204][ T4294] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:53 executed programs: 0 [ 53.778773][ T4310] chnl_net:caif_netlink_parms(): no params data found [ 53.797481][ T4310] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.798772][ T4310] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.800586][ T4310] device bridge_slave_0 entered promiscuous mode [ 53.802574][ T4310] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.803711][ T4310] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.805191][ T4310] device bridge_slave_1 entered promiscuous mode [ 53.814207][ T4310] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.816540][ T4310] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.824823][ T4310] team0: Port device team_slave_0 added [ 53.826490][ T4310] team0: Port device team_slave_1 added [ 53.833979][ T4310] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.835029][ T4310] 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. [ 53.838960][ T4310] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.841472][ T4310] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.842491][ T4310] 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. [ 53.846335][ T4310] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.900238][ T4310] device hsr_slave_0 entered promiscuous mode [ 53.939207][ T4310] device hsr_slave_1 entered promiscuous mode [ 54.535152][ T4310] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.570972][ T4310] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.610812][ T4310] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.640348][ T4310] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.709863][ T4310] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.711078][ T4310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.712311][ T4310] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.713445][ T4310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.732516][ T4310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.737399][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.740318][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.741863][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.743568][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.751470][ T4310] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.755105][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.756855][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.757959][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.762330][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.763927][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.765357][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.766430][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.769547][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.772409][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.782806][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.784553][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.786221][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.787717][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.790834][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.792579][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.796833][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.801918][ T4310] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.803806][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.807219][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.808819][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.850817][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.852009][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.855489][ T4310] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.862515][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.864256][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.873415][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.875028][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.876648][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.878019][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.881462][ T4310] device veth0_vlan entered promiscuous mode [ 54.885133][ T4310] device veth1_vlan entered promiscuous mode [ 54.897773][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.899505][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.900917][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.902464][ T350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.905935][ T4310] device veth0_macvtap entered promiscuous mode [ 54.911089][ T4310] device veth1_macvtap entered promiscuous mode [ 54.917709][ T4310] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.918843][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.921650][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.923287][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.924886][ T589] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.928064][ T4310] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.932332][ T4310] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.933662][ T4310] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.934903][ T4310] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.936224][ T4310] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.940977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.942477][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.095275][ T4441] loop0: detected capacity change from 0 to 32768 [ 55.110865][ T4441] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4441) [ 55.126496][ T4441] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.128144][ T4441] BTRFS info (device loop0): setting nodatasum [ 55.129357][ T4441] BTRFS info (device loop0): enabling ssd optimizations [ 55.137690][ T4441] BTRFS info (device loop0): max_inline at 0 [ 55.138812][ T4441] BTRFS info (device loop0): using free space tree [ 55.141644][ T4441] BTRFS info (device loop0): has skinny extents [ 55.216899][ T4441] FAULT_INJECTION: forcing a failure. [ 55.216899][ T4441] name failslab, interval 1, probability 0, space 0, times 1 [ 55.222978][ T4441] CPU: 0 PID: 4441 Comm: syz-executor.0 Not tainted syzkaller #0 [ 55.224247][ T4441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.225875][ T4441] Call trace: [ 55.226412][ T4441] dump_backtrace+0x0/0x43c [ 55.227147][ T4441] show_stack+0x2c/0x3c [ 55.227812][ T4441] __dump_stack+0x30/0x40 [ 55.228526][ T4441] dump_stack_lvl+0xf8/0x160 [ 55.229249][ T4441] dump_stack+0x1c/0x5c [ 55.229901][ T4441] should_fail+0x3c0/0x51c [ 55.230563][ T4441] __should_failslab+0xbc/0x10c [ 55.231274][ T4441] should_failslab+0x10/0x28 [ 55.231970][ T4441] slab_pre_alloc_hook+0x64/0xec [ 55.232751][ T4441] kmem_cache_alloc+0x94/0x3e4 [ 55.233485][ T4441] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 55.234331][ T4441] btrfs_alloc_tree_block+0xb8c/0x112c [ 55.235182][ T4441] btrfs_force_cow_block+0x3a8/0x1700 [ 55.236007][ T4441] btrfs_cow_block+0x2d8/0x66c [ 55.236708][ T4441] btrfs_search_slot+0xa10/0x1f4c [ 55.237401][ T4441] btrfs_insert_empty_items+0x1e0/0x2a8 [ 55.238201][ T4441] btrfs_insert_inode_ref+0x144/0x9e0 [ 55.238940][ T4441] btrfs_add_link+0x22c/0xa68 [ 55.239646][ T4441] btrfs_link+0x3ac/0x6a4 [ 55.240290][ T4441] vfs_link+0x5b4/0x744 [ 55.240894][ T4441] do_linkat+0x3dc/0x6f8 [ 55.241510][ T4441] __arm64_sys_linkat+0xe4/0x100 [ 55.242259][ T4441] invoke_syscall+0x98/0x2b8 [ 55.242957][ T4441] el0_svc_common+0x138/0x258 [ 55.243691][ T4441] do_el0_svc+0x58/0x14c [ 55.244410][ T4441] el0_svc+0x78/0x1e0 [ 55.245032][ T4441] el0t_64_sync_handler+0xcc/0xe4 [ 55.245790][ T4441] el0t_64_sync+0x1a0/0x1a4 [ 55.315790][ T4310] ------------[ cut here ]------------ [ 55.316813][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.318620][ T4310] Modules linked in: [ 55.319237][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Not tainted syzkaller #0 [ 55.320337][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.321742][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.322949][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.323966][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 55.324993][ T4310] sp : ffff80001f137740 [ 55.325571][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001856f30c [ 55.326767][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 55.327982][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 55.329168][ T4310] x20: ffff0000c2b79860 x19: 0000000000000000 x18: 0000000000000000 [ 55.330290][ T4310] x17: ffff800016d27000 x16: ffff8000111ceed0 x15: ffff800016807500 [ 55.331420][ T4310] x14: ffff0000cd5f0a00 x13: ffff0000cd5f0a28 x12: 0000000000ff0100 [ 55.332594][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 55.333782][ T4310] x8 : ffff0000cd5f0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.334953][ T4310] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082d60c8 [ 55.336229][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 55.337375][ T4310] Call trace: [ 55.337830][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.338736][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 55.339503][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 55.340430][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 55.341166][ T4310] close_ctree+0x608/0x84c [ 55.341780][ T4310] btrfs_put_super+0x40/0x50 [ 55.342426][ T4310] generic_shutdown_super+0x130/0x2f0 [ 55.343173][ T4310] kill_anon_super+0x4c/0x80 [ 55.343813][ T4310] btrfs_kill_super+0x40/0x58 [ 55.344472][ T4310] deactivate_locked_super+0xb8/0x13c [ 55.345237][ T4310] deactivate_super+0xf8/0x118 [ 55.345942][ T4310] cleanup_mnt+0x3a4/0x458 [ 55.346600][ T4310] __cleanup_mnt+0x20/0x30 [ 55.347242][ T4310] task_work_run+0x12c/0x1e0 [ 55.347856][ T4310] do_notify_resume+0x24b4/0x3128 [ 55.348553][ T4310] el0_svc+0xf0/0x1e0 [ 55.349122][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 55.349865][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 55.350538][ T4310] irq event stamp: 162362 [ 55.351170][ T4310] hardirqs last enabled at (162361): [] kasan_quarantine_put+0xc4/0x204 [ 55.352688][ T4310] hardirqs last disabled at (162362): [] el1_dbg+0x24/0x80 [ 55.353982][ T4310] softirqs last enabled at (157574): [] local_bh_enable+0x10/0x34 [ 55.355281][ T4310] softirqs last disabled at (157572): [] local_bh_disable+0x10/0x34 [ 55.356610][ T4310] ---[ end trace 1850ba0ce90a2086 ]--- [ 55.541207][ T4519] loop0: detected capacity change from 0 to 32768 [ 55.549645][ T4519] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4519) [ 55.558460][ T4519] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.560422][ T4519] BTRFS info (device loop0): setting nodatasum [ 55.561365][ T4519] BTRFS info (device loop0): enabling ssd optimizations [ 55.562593][ T4519] BTRFS info (device loop0): max_inline at 0 [ 55.563521][ T4519] BTRFS info (device loop0): using free space tree [ 55.564645][ T4519] BTRFS info (device loop0): has skinny extents [ 55.627685][ T4519] FAULT_INJECTION: forcing a failure. [ 55.627685][ T4519] name failslab, interval 1, probability 0, space 0, times 0 [ 55.632563][ T4519] CPU: 1 PID: 4519 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.633976][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.635526][ T4519] Call trace: [ 55.636103][ T4519] dump_backtrace+0x0/0x43c [ 55.636862][ T4519] show_stack+0x2c/0x3c [ 55.637558][ T4519] __dump_stack+0x30/0x40 [ 55.638318][ T4519] dump_stack_lvl+0xf8/0x160 [ 55.639035][ T4519] dump_stack+0x1c/0x5c [ 55.639703][ T4519] should_fail+0x3c0/0x51c [ 55.640469][ T4519] __should_failslab+0xbc/0x10c [ 55.641206][ T4519] should_failslab+0x10/0x28 [ 55.641958][ T4519] slab_pre_alloc_hook+0x64/0xec [ 55.642698][ T4519] kmem_cache_alloc+0x94/0x3e4 [ 55.643424][ T4519] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 55.644279][ T4519] btrfs_alloc_tree_block+0xb8c/0x112c [ 55.645131][ T4519] btrfs_force_cow_block+0x3a8/0x1700 [ 55.645946][ T4519] btrfs_cow_block+0x2d8/0x66c [ 55.646687][ T4519] btrfs_search_slot+0xa10/0x1f4c [ 55.647464][ T4519] btrfs_insert_empty_items+0x1e0/0x2a8 [ 55.648398][ T4519] btrfs_insert_inode_ref+0x144/0x9e0 [ 55.649175][ T4519] btrfs_add_link+0x22c/0xa68 [ 55.649908][ T4519] btrfs_link+0x3ac/0x6a4 [ 55.650558][ T4519] vfs_link+0x5b4/0x744 [ 55.651202][ T4519] do_linkat+0x3dc/0x6f8 [ 55.651866][ T4519] __arm64_sys_linkat+0xe4/0x100 [ 55.652610][ T4519] invoke_syscall+0x98/0x2b8 [ 55.653321][ T4519] el0_svc_common+0x138/0x258 [ 55.654034][ T4519] do_el0_svc+0x58/0x14c [ 55.654680][ T4519] el0_svc+0x78/0x1e0 [ 55.655262][ T4519] el0t_64_sync_handler+0xcc/0xe4 [ 55.655997][ T4519] el0t_64_sync+0x1a0/0x1a4 [ 55.702651][ T4310] ------------[ cut here ]------------ [ 55.703544][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.705371][ T4310] Modules linked in: [ 55.706033][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.707412][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.708886][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.710011][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.711026][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 55.712106][ T4310] sp : ffff80001f137740 [ 55.712721][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001ad5950c [ 55.713904][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 55.715114][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 55.716374][ T4310] x20: ffff0000d6aca860 x19: 0000000000000000 x18: 0000000000000000 [ 55.717588][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 55.718794][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 55.719949][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 55.721154][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 55.722329][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 55.723557][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 55.724713][ T4310] Call trace: [ 55.725193][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 55.726222][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 55.727058][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 55.727879][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 55.728641][ T4310] close_ctree+0x608/0x84c [ 55.729212][ T4310] btrfs_put_super+0x40/0x50 [ 55.729892][ T4310] generic_shutdown_super+0x130/0x2f0 [ 55.730661][ T4310] kill_anon_super+0x4c/0x80 [ 55.731321][ T4310] btrfs_kill_super+0x40/0x58 [ 55.731996][ T4310] deactivate_locked_super+0xb8/0x13c [ 55.732725][ T4310] deactivate_super+0xf8/0x118 [ 55.733377][ T4310] cleanup_mnt+0x3a4/0x458 [ 55.733962][ T4310] __cleanup_mnt+0x20/0x30 [ 55.734568][ T4310] task_work_run+0x12c/0x1e0 [ 55.735184][ T4310] do_notify_resume+0x24b4/0x3128 [ 55.736025][ T4310] el0_svc+0xf0/0x1e0 [ 55.736709][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 55.737552][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 55.738253][ T4310] irq event stamp: 193792 [ 55.738908][ T4310] hardirqs last enabled at (193791): [] kasan_quarantine_put+0xc4/0x204 [ 55.740412][ T4310] hardirqs last disabled at (193792): [] el1_dbg+0x24/0x80 [ 55.741791][ T4310] softirqs last enabled at (192042): [] handle_softirqs+0xa4c/0xbf0 [ 55.743295][ T4310] softirqs last disabled at (191217): [] __irq_exit_rcu+0x240/0x440 [ 55.744762][ T4310] ---[ end trace 1850ba0ce90a2087 ]--- [ 55.759932][ T4572] Bluetooth: hci0: command 0x0409 tx timeout [ 55.912811][ T4577] loop0: detected capacity change from 0 to 32768 [ 55.916485][ T4577] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4577) [ 55.926859][ T4577] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.928676][ T4577] BTRFS info (device loop0): setting nodatasum [ 55.930896][ T4577] BTRFS info (device loop0): enabling ssd optimizations [ 55.932083][ T4577] BTRFS info (device loop0): max_inline at 0 [ 55.933323][ T4577] BTRFS info (device loop0): using free space tree [ 55.934599][ T4577] BTRFS info (device loop0): has skinny extents [ 56.002426][ T4577] FAULT_INJECTION: forcing a failure. [ 56.002426][ T4577] name failslab, interval 1, probability 0, space 0, times 0 [ 56.005168][ T4577] CPU: 1 PID: 4577 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.006616][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.008229][ T4577] Call trace: [ 56.008775][ T4577] dump_backtrace+0x0/0x43c [ 56.009489][ T4577] show_stack+0x2c/0x3c [ 56.010125][ T4577] __dump_stack+0x30/0x40 [ 56.010766][ T4577] dump_stack_lvl+0xf8/0x160 [ 56.011449][ T4577] dump_stack+0x1c/0x5c [ 56.012059][ T4577] should_fail+0x3c0/0x51c [ 56.012694][ T4577] __should_failslab+0xbc/0x10c [ 56.013394][ T4577] should_failslab+0x10/0x28 [ 56.014158][ T4577] slab_pre_alloc_hook+0x64/0xec [ 56.014953][ T4577] kmem_cache_alloc+0x94/0x3e4 [ 56.015679][ T4577] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 56.016498][ T4577] btrfs_alloc_tree_block+0xb8c/0x112c [ 56.017316][ T4577] btrfs_force_cow_block+0x3a8/0x1700 [ 56.018117][ T4577] btrfs_cow_block+0x2d8/0x66c [ 56.018851][ T4577] btrfs_search_slot+0xa10/0x1f4c [ 56.019581][ T4577] btrfs_insert_empty_items+0x1e0/0x2a8 [ 56.020363][ T4577] btrfs_insert_inode_ref+0x144/0x9e0 [ 56.021115][ T4577] btrfs_add_link+0x22c/0xa68 [ 56.021769][ T4577] btrfs_link+0x3ac/0x6a4 [ 56.022413][ T4577] vfs_link+0x5b4/0x744 [ 56.023023][ T4577] do_linkat+0x3dc/0x6f8 [ 56.023682][ T4577] __arm64_sys_linkat+0xe4/0x100 [ 56.024378][ T4577] invoke_syscall+0x98/0x2b8 [ 56.025086][ T4577] el0_svc_common+0x138/0x258 [ 56.025762][ T4577] do_el0_svc+0x58/0x14c [ 56.026402][ T4577] el0_svc+0x78/0x1e0 [ 56.027035][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 56.027774][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 56.052817][ T4310] ------------[ cut here ]------------ [ 56.053694][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.055353][ T4310] Modules linked in: [ 56.055982][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.057492][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.059098][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.060316][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.061365][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.062404][ T4310] sp : ffff80001f137740 [ 56.062999][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001adaf50c [ 56.064175][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 56.065313][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.066464][ T4310] x20: ffff0000d6d7a860 x19: 0000000000000000 x18: 0000000000000000 [ 56.067646][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.068827][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.070009][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.071192][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.072456][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.073740][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.074925][ T4310] Call trace: [ 56.075391][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.076408][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 56.077163][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 56.078025][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 56.078766][ T4310] close_ctree+0x608/0x84c [ 56.079412][ T4310] btrfs_put_super+0x40/0x50 [ 56.080023][ T4310] generic_shutdown_super+0x130/0x2f0 [ 56.080727][ T4310] kill_anon_super+0x4c/0x80 [ 56.081354][ T4310] btrfs_kill_super+0x40/0x58 [ 56.082046][ T4310] deactivate_locked_super+0xb8/0x13c [ 56.082846][ T4310] deactivate_super+0xf8/0x118 [ 56.083544][ T4310] cleanup_mnt+0x3a4/0x458 [ 56.084159][ T4310] __cleanup_mnt+0x20/0x30 [ 56.084801][ T4310] task_work_run+0x12c/0x1e0 [ 56.085388][ T4310] do_notify_resume+0x24b4/0x3128 [ 56.086074][ T4310] el0_svc+0xf0/0x1e0 [ 56.086663][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 56.087419][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 56.088054][ T4310] irq event stamp: 205976 [ 56.088679][ T4310] hardirqs last enabled at (205975): [] kasan_quarantine_put+0xc4/0x204 [ 56.090100][ T4310] hardirqs last disabled at (205976): [] el1_dbg+0x24/0x80 [ 56.091407][ T4310] softirqs last enabled at (202240): [] local_bh_enable+0x10/0x34 [ 56.092717][ T4310] softirqs last disabled at (202238): [] local_bh_disable+0x10/0x34 [ 56.094051][ T4310] ---[ end trace 1850ba0ce90a2088 ]--- [ 56.277369][ T4645] loop0: detected capacity change from 0 to 32768 [ 56.283578][ T4645] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4645) [ 56.288976][ T4645] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.290996][ T4645] BTRFS info (device loop0): setting nodatasum [ 56.292209][ T4645] BTRFS info (device loop0): enabling ssd optimizations [ 56.293449][ T4645] BTRFS info (device loop0): max_inline at 0 [ 56.294375][ T4645] BTRFS info (device loop0): using free space tree [ 56.295485][ T4645] BTRFS info (device loop0): has skinny extents [ 56.377707][ T4645] FAULT_INJECTION: forcing a failure. [ 56.377707][ T4645] name failslab, interval 1, probability 0, space 0, times 0 [ 56.380159][ T4645] CPU: 0 PID: 4645 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.381613][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.383182][ T4645] Call trace: [ 56.383709][ T4645] dump_backtrace+0x0/0x43c [ 56.384434][ T4645] show_stack+0x2c/0x3c [ 56.385066][ T4645] __dump_stack+0x30/0x40 [ 56.385725][ T4645] dump_stack_lvl+0xf8/0x160 [ 56.386428][ T4645] dump_stack+0x1c/0x5c [ 56.387083][ T4645] should_fail+0x3c0/0x51c [ 56.387759][ T4645] __should_failslab+0xbc/0x10c [ 56.388476][ T4645] should_failslab+0x10/0x28 [ 56.389108][ T4645] slab_pre_alloc_hook+0x64/0xec [ 56.389799][ T4645] kmem_cache_alloc+0x94/0x3e4 [ 56.390454][ T4645] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 56.391214][ T4645] btrfs_alloc_tree_block+0xb8c/0x112c [ 56.391944][ T4645] btrfs_force_cow_block+0x3a8/0x1700 [ 56.392739][ T4645] btrfs_cow_block+0x2d8/0x66c [ 56.393445][ T4645] btrfs_search_slot+0xa10/0x1f4c [ 56.394154][ T4645] btrfs_insert_empty_items+0x1e0/0x2a8 [ 56.394940][ T4645] btrfs_insert_inode_ref+0x144/0x9e0 [ 56.395710][ T4645] btrfs_add_link+0x22c/0xa68 [ 56.396362][ T4645] btrfs_link+0x3ac/0x6a4 [ 56.396952][ T4645] vfs_link+0x5b4/0x744 [ 56.397527][ T4645] do_linkat+0x3dc/0x6f8 [ 56.398102][ T4645] __arm64_sys_linkat+0xe4/0x100 [ 56.398850][ T4645] invoke_syscall+0x98/0x2b8 [ 56.399511][ T4645] el0_svc_common+0x138/0x258 [ 56.400206][ T4645] do_el0_svc+0x58/0x14c [ 56.400861][ T4645] el0_svc+0x78/0x1e0 [ 56.401415][ T4645] el0t_64_sync_handler+0xcc/0xe4 [ 56.402140][ T4645] el0t_64_sync+0x1a0/0x1a4 [ 56.471846][ T4310] ------------[ cut here ]------------ [ 56.472756][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.474426][ T4310] Modules linked in: [ 56.475063][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.476547][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.478115][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.479362][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.480385][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.481473][ T4310] sp : ffff80001f137740 [ 56.482047][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001855aa0c [ 56.483245][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 56.484471][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.485678][ T4310] x20: ffff0000c2ad5060 x19: 0000000000000000 x18: 0000000000000000 [ 56.486899][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.488264][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.489469][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.490648][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.491805][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.493040][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.494214][ T4310] Call trace: [ 56.494687][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.495672][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 56.496474][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 56.497338][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 56.498166][ T4310] close_ctree+0x608/0x84c [ 56.498829][ T4310] btrfs_put_super+0x40/0x50 [ 56.499493][ T4310] generic_shutdown_super+0x130/0x2f0 [ 56.500279][ T4310] kill_anon_super+0x4c/0x80 [ 56.500931][ T4310] btrfs_kill_super+0x40/0x58 [ 56.501605][ T4310] deactivate_locked_super+0xb8/0x13c [ 56.502415][ T4310] deactivate_super+0xf8/0x118 [ 56.503131][ T4310] cleanup_mnt+0x3a4/0x458 [ 56.503803][ T4310] __cleanup_mnt+0x20/0x30 [ 56.504449][ T4310] task_work_run+0x12c/0x1e0 [ 56.505118][ T4310] do_notify_resume+0x24b4/0x3128 [ 56.505832][ T4310] el0_svc+0xf0/0x1e0 [ 56.506421][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 56.507098][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 56.507731][ T4310] irq event stamp: 237832 [ 56.508347][ T4310] hardirqs last enabled at (237831): [] kasan_quarantine_put+0xc4/0x204 [ 56.509770][ T4310] hardirqs last disabled at (237832): [] el1_dbg+0x24/0x80 [ 56.511023][ T4310] softirqs last enabled at (233504): [] local_bh_enable+0x10/0x34 [ 56.512341][ T4310] softirqs last disabled at (233502): [] local_bh_disable+0x10/0x34 [ 56.513575][ T4310] ---[ end trace 1850ba0ce90a2089 ]--- [ 56.680954][ T4705] loop0: detected capacity change from 0 to 32768 [ 56.683999][ T4705] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4705) [ 56.689544][ T4705] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.691129][ T4705] BTRFS info (device loop0): setting nodatasum [ 56.692142][ T4705] BTRFS info (device loop0): enabling ssd optimizations [ 56.693497][ T4705] BTRFS info (device loop0): max_inline at 0 [ 56.694623][ T4705] BTRFS info (device loop0): using free space tree [ 56.695766][ T4705] BTRFS info (device loop0): has skinny extents [ 56.770990][ T4705] FAULT_INJECTION: forcing a failure. [ 56.770990][ T4705] name failslab, interval 1, probability 0, space 0, times 0 [ 56.772924][ T4705] CPU: 0 PID: 4705 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.774233][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.775728][ T4705] Call trace: [ 56.776241][ T4705] dump_backtrace+0x0/0x43c [ 56.776928][ T4705] show_stack+0x2c/0x3c [ 56.777553][ T4705] __dump_stack+0x30/0x40 [ 56.778187][ T4705] dump_stack_lvl+0xf8/0x160 [ 56.778904][ T4705] dump_stack+0x1c/0x5c [ 56.779567][ T4705] should_fail+0x3c0/0x51c [ 56.780258][ T4705] __should_failslab+0xbc/0x10c [ 56.780960][ T4705] should_failslab+0x10/0x28 [ 56.781689][ T4705] slab_pre_alloc_hook+0x64/0xec [ 56.782422][ T4705] kmem_cache_alloc+0x94/0x3e4 [ 56.783085][ T4705] btrfs_alloc_tree_block+0xa30/0x112c [ 56.783838][ T4705] btrfs_force_cow_block+0x3a8/0x1700 [ 56.784610][ T4705] btrfs_cow_block+0x2d8/0x66c [ 56.785290][ T4705] btrfs_search_slot+0xa10/0x1f4c [ 56.785976][ T4705] btrfs_insert_empty_items+0x1e0/0x2a8 [ 56.786768][ T4705] btrfs_insert_inode_ref+0x144/0x9e0 [ 56.787616][ T4705] btrfs_add_link+0x22c/0xa68 [ 56.788373][ T4705] btrfs_link+0x3ac/0x6a4 [ 56.789037][ T4705] vfs_link+0x5b4/0x744 [ 56.789687][ T4705] do_linkat+0x3dc/0x6f8 [ 56.790324][ T4705] __arm64_sys_linkat+0xe4/0x100 [ 56.791073][ T4705] invoke_syscall+0x98/0x2b8 [ 56.791747][ T4705] el0_svc_common+0x138/0x258 [ 56.792413][ T4705] do_el0_svc+0x58/0x14c [ 56.793043][ T4705] el0_svc+0x78/0x1e0 [ 56.793628][ T4705] el0t_64_sync_handler+0xcc/0xe4 [ 56.794349][ T4705] el0t_64_sync+0x1a0/0x1a4 [ 56.835059][ T4310] ------------[ cut here ]------------ [ 56.836094][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.837866][ T4310] Modules linked in: [ 56.838504][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.839964][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.841506][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.842716][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.843771][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 56.844892][ T4310] sp : ffff80001f137740 [ 56.845488][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001a7df70c [ 56.846790][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 56.847991][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 56.849211][ T4310] x20: ffff0000d3efb860 x19: 0000000000000000 x18: 0000000000000000 [ 56.850323][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 56.851530][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 56.852720][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 56.854020][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 56.855226][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 56.856430][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 56.857802][ T4310] Call trace: [ 56.858342][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 56.859384][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 56.860291][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 56.861215][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 56.862067][ T4310] close_ctree+0x608/0x84c [ 56.862718][ T4310] btrfs_put_super+0x40/0x50 [ 56.863450][ T4310] generic_shutdown_super+0x130/0x2f0 [ 56.864284][ T4310] kill_anon_super+0x4c/0x80 [ 56.865015][ T4310] btrfs_kill_super+0x40/0x58 [ 56.865679][ T4310] deactivate_locked_super+0xb8/0x13c [ 56.866432][ T4310] deactivate_super+0xf8/0x118 [ 56.867140][ T4310] cleanup_mnt+0x3a4/0x458 [ 56.867840][ T4310] __cleanup_mnt+0x20/0x30 [ 56.868536][ T4310] task_work_run+0x12c/0x1e0 [ 56.869142][ T4310] do_notify_resume+0x24b4/0x3128 [ 56.869915][ T4310] el0_svc+0xf0/0x1e0 [ 56.870501][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 56.871204][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 56.871962][ T4310] irq event stamp: 268842 [ 56.872606][ T4310] hardirqs last enabled at (268841): [] kasan_quarantine_put+0xc4/0x204 [ 56.874145][ T4310] hardirqs last disabled at (268842): [] el1_dbg+0x24/0x80 [ 56.875370][ T4310] softirqs last enabled at (264956): [] local_bh_enable+0x10/0x34 [ 56.876764][ T4310] softirqs last disabled at (264954): [] local_bh_disable+0x10/0x34 [ 56.878122][ T4310] ---[ end trace 1850ba0ce90a208a ]--- [ 57.046691][ T4767] loop0: detected capacity change from 0 to 32768 [ 57.054279][ T4767] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4767) [ 57.069223][ T4767] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.070753][ T4767] BTRFS info (device loop0): setting nodatasum [ 57.071761][ T4767] BTRFS info (device loop0): enabling ssd optimizations [ 57.073021][ T4767] BTRFS info (device loop0): max_inline at 0 [ 57.073871][ T4767] BTRFS info (device loop0): using free space tree [ 57.074954][ T4767] BTRFS info (device loop0): has skinny extents [ 57.106326][ T4767] FAULT_INJECTION: forcing a failure. [ 57.106326][ T4767] name failslab, interval 1, probability 0, space 0, times 0 [ 57.108547][ T4767] CPU: 1 PID: 4767 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.110014][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.111515][ T4767] Call trace: [ 57.111992][ T4767] dump_backtrace+0x0/0x43c [ 57.112664][ T4767] show_stack+0x2c/0x3c [ 57.113319][ T4767] __dump_stack+0x30/0x40 [ 57.113939][ T4767] dump_stack_lvl+0xf8/0x160 [ 57.114632][ T4767] dump_stack+0x1c/0x5c [ 57.115269][ T4767] should_fail+0x3c0/0x51c [ 57.115980][ T4767] __should_failslab+0xbc/0x10c [ 57.116697][ T4767] should_failslab+0x10/0x28 [ 57.117400][ T4767] slab_pre_alloc_hook+0x64/0xec [ 57.118150][ T4767] kmem_cache_alloc+0x94/0x3e4 [ 57.118833][ T4767] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 57.119672][ T4767] btrfs_alloc_tree_block+0xb8c/0x112c [ 57.120448][ T4767] btrfs_force_cow_block+0x3a8/0x1700 [ 57.121226][ T4767] btrfs_cow_block+0x2d8/0x66c [ 57.121919][ T4767] btrfs_search_slot+0xa10/0x1f4c [ 57.122719][ T4767] btrfs_insert_empty_items+0x1e0/0x2a8 [ 57.123523][ T4767] btrfs_insert_inode_ref+0x144/0x9e0 [ 57.124241][ T4767] btrfs_add_link+0x22c/0xa68 [ 57.124882][ T4767] btrfs_link+0x3ac/0x6a4 [ 57.125509][ T4767] vfs_link+0x5b4/0x744 [ 57.126136][ T4767] do_linkat+0x3dc/0x6f8 [ 57.126772][ T4767] __arm64_sys_linkat+0xe4/0x100 [ 57.127520][ T4767] invoke_syscall+0x98/0x2b8 [ 57.128236][ T4767] el0_svc_common+0x138/0x258 [ 57.128958][ T4767] do_el0_svc+0x58/0x14c [ 57.129604][ T4767] el0_svc+0x78/0x1e0 [ 57.130202][ T4767] el0t_64_sync_handler+0xcc/0xe4 [ 57.130918][ T4767] el0t_64_sync+0x1a0/0x1a4 [ 57.167846][ T4310] ------------[ cut here ]------------ [ 57.168770][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.170560][ T4310] Modules linked in: [ 57.171174][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.172632][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.174160][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.175357][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.176406][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 57.177455][ T4310] sp : ffff80001f137740 [ 57.178068][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b9cf50c [ 57.179287][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 57.180535][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 57.181812][ T4310] x20: ffff0000dce7a860 x19: 0000000000000000 x18: 0000000000000000 [ 57.183002][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 57.184212][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 57.185536][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 57.186697][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 57.187998][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 57.189158][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 57.190404][ T4310] Call trace: [ 57.190879][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.191845][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 57.192671][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 57.193553][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 57.194321][ T4310] close_ctree+0x608/0x84c [ 57.194975][ T4310] btrfs_put_super+0x40/0x50 [ 57.195664][ T4310] generic_shutdown_super+0x130/0x2f0 [ 57.196450][ T4310] kill_anon_super+0x4c/0x80 [ 57.197132][ T4310] btrfs_kill_super+0x40/0x58 [ 57.197744][ T4310] deactivate_locked_super+0xb8/0x13c [ 57.198493][ T4310] deactivate_super+0xf8/0x118 [ 57.199215][ T4310] cleanup_mnt+0x3a4/0x458 [ 57.199803][ T4310] __cleanup_mnt+0x20/0x30 [ 57.200455][ T4310] task_work_run+0x12c/0x1e0 [ 57.201164][ T4310] do_notify_resume+0x24b4/0x3128 [ 57.201887][ T4310] el0_svc+0xf0/0x1e0 [ 57.202487][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 57.203174][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 57.203819][ T4310] irq event stamp: 298284 [ 57.204409][ T4310] hardirqs last enabled at (298283): [] kasan_quarantine_put+0xc4/0x204 [ 57.205748][ T4310] hardirqs last disabled at (298284): [] el1_dbg+0x24/0x80 [ 57.207010][ T4310] softirqs last enabled at (295358): [] handle_softirqs+0xa4c/0xbf0 [ 57.208398][ T4310] softirqs last disabled at (295329): [] __irq_exit_rcu+0x240/0x440 [ 57.209795][ T4310] ---[ end trace 1850ba0ce90a208b ]--- [ 57.391511][ T4803] loop0: detected capacity change from 0 to 32768 [ 57.403074][ T4803] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4803) [ 57.411130][ T4803] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.412609][ T4803] BTRFS info (device loop0): setting nodatasum [ 57.413409][ T4803] BTRFS info (device loop0): enabling ssd optimizations [ 57.414550][ T4803] BTRFS info (device loop0): max_inline at 0 [ 57.415320][ T4803] BTRFS info (device loop0): using free space tree [ 57.416499][ T4803] BTRFS info (device loop0): has skinny extents [ 57.432711][ T4803] FAULT_INJECTION: forcing a failure. [ 57.432711][ T4803] name failslab, interval 1, probability 0, space 0, times 0 [ 57.435075][ T4803] CPU: 0 PID: 4803 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.436375][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.437853][ T4803] Call trace: [ 57.438346][ T4803] dump_backtrace+0x0/0x43c [ 57.439028][ T4803] show_stack+0x2c/0x3c [ 57.439684][ T4803] __dump_stack+0x30/0x40 [ 57.440330][ T4803] dump_stack_lvl+0xf8/0x160 [ 57.441022][ T4803] dump_stack+0x1c/0x5c [ 57.441680][ T4803] should_fail+0x3c0/0x51c [ 57.442325][ T4803] __should_failslab+0xbc/0x10c [ 57.443018][ T4803] should_failslab+0x10/0x28 [ 57.443677][ T4803] slab_pre_alloc_hook+0x64/0xec [ 57.444465][ T4803] kmem_cache_alloc+0x94/0x3e4 [ 57.445200][ T4803] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 57.445997][ T4803] btrfs_alloc_tree_block+0xb8c/0x112c [ 57.446761][ T4803] btrfs_force_cow_block+0x3a8/0x1700 [ 57.447508][ T4803] btrfs_cow_block+0x2d8/0x66c [ 57.448143][ T4803] btrfs_search_slot+0xa10/0x1f4c [ 57.448812][ T4803] btrfs_insert_empty_items+0x1e0/0x2a8 [ 57.449597][ T4803] btrfs_insert_inode_ref+0x144/0x9e0 [ 57.450378][ T4803] btrfs_add_link+0x22c/0xa68 [ 57.451076][ T4803] btrfs_link+0x3ac/0x6a4 [ 57.451712][ T4803] vfs_link+0x5b4/0x744 [ 57.452360][ T4803] do_linkat+0x3dc/0x6f8 [ 57.452923][ T4803] __arm64_sys_linkat+0xe4/0x100 [ 57.453655][ T4803] invoke_syscall+0x98/0x2b8 [ 57.454313][ T4803] el0_svc_common+0x138/0x258 [ 57.454959][ T4803] do_el0_svc+0x58/0x14c [ 57.455535][ T4803] el0_svc+0x78/0x1e0 [ 57.456103][ T4803] el0t_64_sync_handler+0xcc/0xe4 [ 57.456855][ T4803] el0t_64_sync+0x1a0/0x1a4 [ 57.491584][ T4310] ------------[ cut here ]------------ [ 57.492443][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.494202][ T4310] Modules linked in: [ 57.494768][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.495997][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.497448][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.498579][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.499669][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 57.500800][ T4310] sp : ffff80001f137740 [ 57.501432][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001a228a0c [ 57.502639][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 57.503904][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 57.505188][ T4310] x20: ffff0000d1145060 x19: 0000000000000000 x18: 0000000000000000 [ 57.506430][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 57.507721][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 57.508880][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 57.510068][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 57.511297][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 57.512530][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 57.513753][ T4310] Call trace: [ 57.514248][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 57.515290][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 57.516121][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 57.516997][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 57.517782][ T4310] close_ctree+0x608/0x84c [ 57.518411][ T4310] btrfs_put_super+0x40/0x50 [ 57.519045][ T4310] generic_shutdown_super+0x130/0x2f0 [ 57.519884][ T4310] kill_anon_super+0x4c/0x80 [ 57.520561][ T4310] btrfs_kill_super+0x40/0x58 [ 57.521269][ T4310] deactivate_locked_super+0xb8/0x13c [ 57.522030][ T4310] deactivate_super+0xf8/0x118 [ 57.522774][ T4310] cleanup_mnt+0x3a4/0x458 [ 57.523368][ T4310] __cleanup_mnt+0x20/0x30 [ 57.524015][ T4310] task_work_run+0x12c/0x1e0 [ 57.524754][ T4310] do_notify_resume+0x24b4/0x3128 [ 57.525560][ T4310] el0_svc+0xf0/0x1e0 [ 57.526172][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 57.526874][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 57.527492][ T4310] irq event stamp: 327236 [ 57.528127][ T4310] hardirqs last enabled at (327235): [] kasan_quarantine_put+0xc4/0x204 [ 57.529647][ T4310] hardirqs last disabled at (327236): [] el1_dbg+0x24/0x80 [ 57.530934][ T4310] softirqs last enabled at (325554): [] handle_softirqs+0xa4c/0xbf0 [ 57.532277][ T4310] softirqs last disabled at (325527): [] __irq_exit_rcu+0x240/0x440 [ 57.533803][ T4310] ---[ end trace 1850ba0ce90a208c ]--- [ 57.690290][ T4824] loop0: detected capacity change from 0 to 32768 [ 57.699833][ T4824] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4824) [ 57.703660][ T4824] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.705143][ T4824] BTRFS info (device loop0): setting nodatasum [ 57.706084][ T4824] BTRFS info (device loop0): enabling ssd optimizations [ 57.707201][ T4824] BTRFS info (device loop0): max_inline at 0 [ 57.708076][ T4824] BTRFS info (device loop0): using free space tree [ 57.709243][ T4824] BTRFS info (device loop0): has skinny extents [ 57.723171][ T4824] FAULT_INJECTION: forcing a failure. [ 57.723171][ T4824] name failslab, interval 1, probability 0, space 0, times 0 [ 57.725952][ T4824] CPU: 1 PID: 4824 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.727389][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.728967][ T4824] Call trace: [ 57.729475][ T4824] dump_backtrace+0x0/0x43c [ 57.730176][ T4824] show_stack+0x2c/0x3c [ 57.730800][ T4824] __dump_stack+0x30/0x40 [ 57.731451][ T4824] dump_stack_lvl+0xf8/0x160 [ 57.732141][ T4824] dump_stack+0x1c/0x5c [ 57.732803][ T4824] should_fail+0x3c0/0x51c [ 57.733493][ T4824] __should_failslab+0xbc/0x10c [ 57.734239][ T4824] should_failslab+0x10/0x28 [ 57.734909][ T4824] slab_pre_alloc_hook+0x64/0xec [ 57.735568][ T4824] kmem_cache_alloc_trace+0x98/0x3fc [ 57.736282][ T4824] btrfs_cache_block_group+0xc0/0x6dc [ 57.737164][ T4824] find_free_extent+0x1dd8/0x316c [ 57.737995][ T4824] btrfs_reserve_extent+0x194/0x428 [ 57.738808][ T4824] btrfs_alloc_tree_block+0x1a8/0x112c [ 57.739676][ T4824] btrfs_force_cow_block+0x3a8/0x1700 [ 57.740496][ T4824] btrfs_cow_block+0x2d8/0x66c [ 57.741237][ T4824] btrfs_search_slot+0xa10/0x1f4c [ 57.741994][ T4824] btrfs_insert_empty_items+0x1e0/0x2a8 [ 57.742843][ T4824] btrfs_insert_inode_ref+0x144/0x9e0 [ 57.743688][ T4824] btrfs_add_link+0x22c/0xa68 [ 57.744383][ T4824] btrfs_link+0x3ac/0x6a4 [ 57.745029][ T4824] vfs_link+0x5b4/0x744 [ 57.745698][ T4824] do_linkat+0x3dc/0x6f8 [ 57.746321][ T4824] __arm64_sys_linkat+0xe4/0x100 [ 57.747066][ T4824] invoke_syscall+0x98/0x2b8 [ 57.747737][ T4824] el0_svc_common+0x138/0x258 [ 57.748398][ T4824] do_el0_svc+0x58/0x14c [ 57.749005][ T4824] el0_svc+0x78/0x1e0 [ 57.749596][ T4824] el0t_64_sync_handler+0xcc/0xe4 [ 57.750319][ T4824] el0t_64_sync+0x1a0/0x1a4 [ 57.839639][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 57.950635][ T4845] loop0: detected capacity change from 0 to 32768 [ 57.954725][ T4845] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4845) [ 57.959756][ T4845] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.961287][ T4845] BTRFS info (device loop0): setting nodatasum [ 57.962202][ T4845] BTRFS info (device loop0): enabling ssd optimizations [ 57.963282][ T4845] BTRFS info (device loop0): max_inline at 0 [ 57.964223][ T4845] BTRFS info (device loop0): using free space tree [ 57.965190][ T4845] BTRFS info (device loop0): has skinny extents [ 57.982192][ T4845] FAULT_INJECTION: forcing a failure. [ 57.982192][ T4845] name failslab, interval 1, probability 0, space 0, times 0 [ 57.984138][ T4845] CPU: 1 PID: 4845 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.985388][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.986790][ T4845] Call trace: [ 57.987236][ T4845] dump_backtrace+0x0/0x43c [ 57.987932][ T4845] show_stack+0x2c/0x3c [ 57.988484][ T4845] __dump_stack+0x30/0x40 [ 57.989109][ T4845] dump_stack_lvl+0xf8/0x160 [ 57.989770][ T4845] dump_stack+0x1c/0x5c [ 57.990333][ T4845] should_fail+0x3c0/0x51c [ 57.990946][ T4845] __should_failslab+0xbc/0x10c [ 57.991633][ T4845] should_failslab+0x10/0x28 [ 57.992276][ T4845] slab_pre_alloc_hook+0x64/0xec [ 57.992935][ T4845] kmem_cache_alloc+0x94/0x3e4 [ 57.993681][ T4845] btrfs_alloc_path+0x5c/0x68 [ 57.994276][ T4845] btrfs_insert_inode_ref+0xe8/0x9e0 [ 57.995063][ T4845] btrfs_add_link+0x22c/0xa68 [ 57.995738][ T4845] btrfs_link+0x3ac/0x6a4 [ 57.996374][ T4845] vfs_link+0x5b4/0x744 [ 57.997023][ T4845] do_linkat+0x3dc/0x6f8 [ 57.997620][ T4845] __arm64_sys_linkat+0xe4/0x100 [ 57.998294][ T4845] invoke_syscall+0x98/0x2b8 [ 57.998943][ T4845] el0_svc_common+0x138/0x258 [ 57.999612][ T4845] do_el0_svc+0x58/0x14c [ 58.000230][ T4845] el0_svc+0x78/0x1e0 [ 58.000770][ T4845] el0t_64_sync_handler+0xcc/0xe4 [ 58.001483][ T4845] el0t_64_sync+0x1a0/0x1a4 [ 58.199116][ T4866] loop0: detected capacity change from 0 to 32768 [ 58.203709][ T4866] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4866) [ 58.207923][ T4866] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.209645][ T4866] BTRFS info (device loop0): setting nodatasum [ 58.210770][ T4866] BTRFS info (device loop0): enabling ssd optimizations [ 58.212005][ T4866] BTRFS info (device loop0): max_inline at 0 [ 58.213125][ T4866] BTRFS info (device loop0): using free space tree [ 58.214114][ T4866] BTRFS info (device loop0): has skinny extents [ 58.227322][ T4866] FAULT_INJECTION: forcing a failure. [ 58.227322][ T4866] name failslab, interval 1, probability 0, space 0, times 0 [ 58.229792][ T4866] CPU: 1 PID: 4866 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.231167][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.232775][ T4866] Call trace: [ 58.233262][ T4866] dump_backtrace+0x0/0x43c [ 58.233945][ T4866] show_stack+0x2c/0x3c [ 58.234594][ T4866] __dump_stack+0x30/0x40 [ 58.235226][ T4866] dump_stack_lvl+0xf8/0x160 [ 58.235896][ T4866] dump_stack+0x1c/0x5c [ 58.236561][ T4866] should_fail+0x3c0/0x51c [ 58.237309][ T4866] __should_failslab+0xbc/0x10c [ 58.238039][ T4866] should_failslab+0x10/0x28 [ 58.238722][ T4866] slab_pre_alloc_hook+0x64/0xec [ 58.239423][ T4866] kmem_cache_alloc+0x94/0x3e4 [ 58.240149][ T4866] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 58.240987][ T4866] btrfs_alloc_tree_block+0xb8c/0x112c [ 58.241720][ T4866] btrfs_force_cow_block+0x3a8/0x1700 [ 58.242598][ T4866] btrfs_cow_block+0x2d8/0x66c [ 58.243392][ T4866] btrfs_search_slot+0xa10/0x1f4c [ 58.244217][ T4866] btrfs_insert_empty_items+0x1e0/0x2a8 [ 58.245083][ T4866] btrfs_insert_inode_ref+0x144/0x9e0 [ 58.245913][ T4866] btrfs_add_link+0x22c/0xa68 [ 58.246668][ T4866] btrfs_link+0x3ac/0x6a4 [ 58.247380][ T4866] vfs_link+0x5b4/0x744 [ 58.247998][ T4866] do_linkat+0x3dc/0x6f8 [ 58.248628][ T4866] __arm64_sys_linkat+0xe4/0x100 [ 58.249319][ T4866] invoke_syscall+0x98/0x2b8 [ 58.249970][ T4866] el0_svc_common+0x138/0x258 [ 58.250696][ T4866] do_el0_svc+0x58/0x14c [ 58.251304][ T4866] el0_svc+0x78/0x1e0 [ 58.251965][ T4866] el0t_64_sync_handler+0xcc/0xe4 [ 58.252732][ T4866] el0t_64_sync+0x1a0/0x1a4 [ 58.286080][ T4310] ------------[ cut here ]------------ [ 58.287027][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.288822][ T4310] Modules linked in: [ 58.289427][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.290826][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.292375][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.293516][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.294671][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.295864][ T4310] sp : ffff80001f137740 [ 58.296518][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001837da0c [ 58.297846][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 58.299052][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.300271][ T4310] x20: ffff0000c1bed060 x19: 0000000000000000 x18: 0000000000000000 [ 58.301498][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.302728][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.303995][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.305187][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.306491][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.307792][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.309120][ T4310] Call trace: [ 58.309665][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.310641][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 58.311487][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 58.312387][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 58.313174][ T4310] close_ctree+0x608/0x84c [ 58.313875][ T4310] btrfs_put_super+0x40/0x50 [ 58.314606][ T4310] generic_shutdown_super+0x130/0x2f0 [ 58.315471][ T4310] kill_anon_super+0x4c/0x80 [ 58.316131][ T4310] btrfs_kill_super+0x40/0x58 [ 58.316779][ T4310] deactivate_locked_super+0xb8/0x13c [ 58.317687][ T4310] deactivate_super+0xf8/0x118 [ 58.318436][ T4310] cleanup_mnt+0x3a4/0x458 [ 58.319165][ T4310] __cleanup_mnt+0x20/0x30 [ 58.319835][ T4310] task_work_run+0x12c/0x1e0 [ 58.320535][ T4310] do_notify_resume+0x24b4/0x3128 [ 58.321342][ T4310] el0_svc+0xf0/0x1e0 [ 58.321965][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 58.322692][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 58.323365][ T4310] irq event stamp: 416584 [ 58.323989][ T4310] hardirqs last enabled at (416583): [] kasan_quarantine_put+0xc4/0x204 [ 58.325413][ T4310] hardirqs last disabled at (416584): [] el1_dbg+0x24/0x80 [ 58.326747][ T4310] softirqs last enabled at (412676): [] local_bh_enable+0x10/0x34 [ 58.328072][ T4310] softirqs last disabled at (412674): [] local_bh_disable+0x10/0x34 [ 58.329398][ T4310] ---[ end trace 1850ba0ce90a208d ]--- [ 58.486635][ T4887] loop0: detected capacity change from 0 to 32768 [ 58.489392][ T4887] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4887) [ 58.497671][ T4887] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.499282][ T4887] BTRFS info (device loop0): setting nodatasum [ 58.500216][ T4887] BTRFS info (device loop0): enabling ssd optimizations [ 58.501402][ T4887] BTRFS info (device loop0): max_inline at 0 [ 58.502309][ T4887] BTRFS info (device loop0): using free space tree [ 58.503702][ T4887] BTRFS info (device loop0): has skinny extents [ 58.516271][ T4887] FAULT_INJECTION: forcing a failure. [ 58.516271][ T4887] name failslab, interval 1, probability 0, space 0, times 0 [ 58.518170][ T4887] CPU: 0 PID: 4887 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.519458][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.520912][ T4887] Call trace: [ 58.521394][ T4887] dump_backtrace+0x0/0x43c [ 58.522083][ T4887] show_stack+0x2c/0x3c [ 58.522746][ T4887] __dump_stack+0x30/0x40 [ 58.523380][ T4887] dump_stack_lvl+0xf8/0x160 [ 58.524052][ T4887] dump_stack+0x1c/0x5c [ 58.524666][ T4887] should_fail+0x3c0/0x51c [ 58.525300][ T4887] __should_failslab+0xbc/0x10c [ 58.526020][ T4887] should_failslab+0x10/0x28 [ 58.526702][ T4887] slab_pre_alloc_hook+0x64/0xec [ 58.527429][ T4887] kmem_cache_alloc+0x94/0x3e4 [ 58.528111][ T4887] btrfs_alloc_tree_block+0xa30/0x112c [ 58.528903][ T4887] btrfs_force_cow_block+0x3a8/0x1700 [ 58.529670][ T4887] btrfs_cow_block+0x2d8/0x66c [ 58.530337][ T4887] btrfs_search_slot+0xa10/0x1f4c [ 58.531098][ T4887] btrfs_insert_empty_items+0x1e0/0x2a8 [ 58.531895][ T4887] btrfs_insert_inode_ref+0x144/0x9e0 [ 58.532670][ T4887] btrfs_add_link+0x22c/0xa68 [ 58.533309][ T4887] btrfs_link+0x3ac/0x6a4 [ 58.533887][ T4887] vfs_link+0x5b4/0x744 [ 58.534421][ T4887] do_linkat+0x3dc/0x6f8 [ 58.535049][ T4887] __arm64_sys_linkat+0xe4/0x100 [ 58.535787][ T4887] invoke_syscall+0x98/0x2b8 [ 58.536438][ T4887] el0_svc_common+0x138/0x258 [ 58.537199][ T4887] do_el0_svc+0x58/0x14c [ 58.537937][ T4887] el0_svc+0x78/0x1e0 [ 58.538627][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 58.539427][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 58.575816][ T4310] ------------[ cut here ]------------ [ 58.576668][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.578385][ T4310] Modules linked in: [ 58.579033][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.580397][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.581936][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.583064][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.584106][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.585197][ T4310] sp : ffff80001f137740 [ 58.585777][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b51d30c [ 58.586827][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 58.587836][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.588922][ T4310] x20: ffff0000da8e9860 x19: 0000000000000000 x18: 0000000000000000 [ 58.589978][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.591082][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.592156][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.593302][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.594361][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.595436][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.596521][ T4310] Call trace: [ 58.596933][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.597769][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 58.598520][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 58.599305][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 58.600101][ T4310] close_ctree+0x608/0x84c [ 58.600769][ T4310] btrfs_put_super+0x40/0x50 [ 58.601411][ T4310] generic_shutdown_super+0x130/0x2f0 [ 58.602191][ T4310] kill_anon_super+0x4c/0x80 [ 58.602884][ T4310] btrfs_kill_super+0x40/0x58 [ 58.603471][ T4310] deactivate_locked_super+0xb8/0x13c [ 58.604233][ T4310] deactivate_super+0xf8/0x118 [ 58.604851][ T4310] cleanup_mnt+0x3a4/0x458 [ 58.605403][ T4310] __cleanup_mnt+0x20/0x30 [ 58.606002][ T4310] task_work_run+0x12c/0x1e0 [ 58.606629][ T4310] do_notify_resume+0x24b4/0x3128 [ 58.607292][ T4310] el0_svc+0xf0/0x1e0 [ 58.607834][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 58.608526][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 58.609132][ T4310] irq event stamp: 446770 [ 58.609704][ T4310] hardirqs last enabled at (446769): [] kasan_quarantine_put+0xc4/0x204 [ 58.611020][ T4310] hardirqs last disabled at (446770): [] el1_dbg+0x24/0x80 [ 58.612276][ T4310] softirqs last enabled at (442244): [] local_bh_enable+0x10/0x34 [ 58.613689][ T4310] softirqs last disabled at (442242): [] local_bh_disable+0x10/0x34 [ 58.615043][ T4310] ---[ end trace 1850ba0ce90a208e ]--- [ 58.788880][ T4908] loop0: detected capacity change from 0 to 32768 [ 58.791882][ T4908] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4908) [ 58.795061][ T4908] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.796608][ T4908] BTRFS info (device loop0): setting nodatasum [ 58.797602][ T4908] BTRFS info (device loop0): enabling ssd optimizations [ 58.798810][ T4908] BTRFS info (device loop0): max_inline at 0 [ 58.800255][ T4908] BTRFS info (device loop0): using free space tree [ 58.801190][ T4908] BTRFS info (device loop0): has skinny extents [ 58.823834][ T4908] FAULT_INJECTION: forcing a failure. [ 58.823834][ T4908] name failslab, interval 1, probability 0, space 0, times 0 [ 58.825995][ T4908] CPU: 1 PID: 4908 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.827310][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.828787][ T4908] Call trace: [ 58.829308][ T4908] dump_backtrace+0x0/0x43c [ 58.829972][ T4908] show_stack+0x2c/0x3c [ 58.830578][ T4908] __dump_stack+0x30/0x40 [ 58.831179][ T4908] dump_stack_lvl+0xf8/0x160 [ 58.831868][ T4908] dump_stack+0x1c/0x5c [ 58.832547][ T4908] should_fail+0x3c0/0x51c [ 58.833215][ T4908] __should_failslab+0xbc/0x10c [ 58.833995][ T4908] should_failslab+0x10/0x28 [ 58.834653][ T4908] slab_pre_alloc_hook+0x64/0xec [ 58.835352][ T4908] kmem_cache_alloc+0x94/0x3e4 [ 58.836076][ T4908] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 58.836900][ T4908] btrfs_alloc_tree_block+0xb8c/0x112c [ 58.837695][ T4908] btrfs_force_cow_block+0x3a8/0x1700 [ 58.838557][ T4908] btrfs_cow_block+0x2d8/0x66c [ 58.839275][ T4908] btrfs_search_slot+0xa10/0x1f4c [ 58.840007][ T4908] btrfs_insert_empty_items+0x1e0/0x2a8 [ 58.840803][ T4908] btrfs_insert_inode_ref+0x144/0x9e0 [ 58.841502][ T4908] btrfs_add_link+0x22c/0xa68 [ 58.842135][ T4908] btrfs_link+0x3ac/0x6a4 [ 58.842763][ T4908] vfs_link+0x5b4/0x744 [ 58.843353][ T4908] do_linkat+0x3dc/0x6f8 [ 58.843963][ T4908] __arm64_sys_linkat+0xe4/0x100 [ 58.844665][ T4908] invoke_syscall+0x98/0x2b8 [ 58.845312][ T4908] el0_svc_common+0x138/0x258 [ 58.845978][ T4908] do_el0_svc+0x58/0x14c [ 58.846560][ T4908] el0_svc+0x78/0x1e0 [ 58.847164][ T4908] el0t_64_sync_handler+0xcc/0xe4 [ 58.847876][ T4908] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:58 executed programs: 12 [ 58.881382][ T4310] ------------[ cut here ]------------ [ 58.882194][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.883777][ T4310] Modules linked in: [ 58.884340][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.885675][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.887147][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.888251][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.889289][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 58.890339][ T4310] sp : ffff80001f137740 [ 58.890913][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001bc3b70c [ 58.892125][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 58.893353][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 58.894602][ T4310] x20: ffff0000de1db860 x19: 0000000000000000 x18: 0000000000000000 [ 58.895841][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 58.897029][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 58.898219][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 58.899434][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 58.900638][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 58.901868][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 58.903015][ T4310] Call trace: [ 58.903444][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 58.904366][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 58.905125][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 58.906001][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 58.906769][ T4310] close_ctree+0x608/0x84c [ 58.907378][ T4310] btrfs_put_super+0x40/0x50 [ 58.908085][ T4310] generic_shutdown_super+0x130/0x2f0 [ 58.908855][ T4310] kill_anon_super+0x4c/0x80 [ 58.909480][ T4310] btrfs_kill_super+0x40/0x58 [ 58.910145][ T4310] deactivate_locked_super+0xb8/0x13c [ 58.911002][ T4310] deactivate_super+0xf8/0x118 [ 58.911723][ T4310] cleanup_mnt+0x3a4/0x458 [ 58.912393][ T4310] __cleanup_mnt+0x20/0x30 [ 58.913016][ T4310] task_work_run+0x12c/0x1e0 [ 58.913673][ T4310] do_notify_resume+0x24b4/0x3128 [ 58.914414][ T4310] el0_svc+0xf0/0x1e0 [ 58.914966][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 58.915661][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 58.916286][ T4310] irq event stamp: 476590 [ 58.916872][ T4310] hardirqs last enabled at (476589): [] kasan_quarantine_put+0xc4/0x204 [ 58.918278][ T4310] hardirqs last disabled at (476590): [] el1_dbg+0x24/0x80 [ 58.919487][ T4310] softirqs last enabled at (475074): [] handle_softirqs+0xa4c/0xbf0 [ 58.920821][ T4310] softirqs last disabled at (475045): [] __irq_exit_rcu+0x240/0x440 [ 58.922130][ T4310] ---[ end trace 1850ba0ce90a208f ]--- [ 59.070932][ T4930] loop0: detected capacity change from 0 to 32768 [ 59.073446][ T4930] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4930) [ 59.083793][ T4930] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.085219][ T4930] BTRFS info (device loop0): setting nodatasum [ 59.086153][ T4930] BTRFS info (device loop0): enabling ssd optimizations [ 59.087220][ T4930] BTRFS info (device loop0): max_inline at 0 [ 59.088078][ T4930] BTRFS info (device loop0): using free space tree [ 59.089089][ T4930] BTRFS info (device loop0): has skinny extents [ 59.111462][ T4930] FAULT_INJECTION: forcing a failure. [ 59.111462][ T4930] name failslab, interval 1, probability 0, space 0, times 0 [ 59.113585][ T4930] CPU: 1 PID: 4930 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.115040][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.116630][ T4930] Call trace: [ 59.117128][ T4930] dump_backtrace+0x0/0x43c [ 59.117791][ T4930] show_stack+0x2c/0x3c [ 59.118438][ T4930] __dump_stack+0x30/0x40 [ 59.119097][ T4930] dump_stack_lvl+0xf8/0x160 [ 59.119771][ T4930] dump_stack+0x1c/0x5c [ 59.120358][ T4930] should_fail+0x3c0/0x51c [ 59.120968][ T4930] __should_failslab+0xbc/0x10c [ 59.121663][ T4930] should_failslab+0x10/0x28 [ 59.122308][ T4930] slab_pre_alloc_hook+0x64/0xec [ 59.123014][ T4930] kmem_cache_alloc+0x94/0x3e4 [ 59.123730][ T4930] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 59.124504][ T4930] btrfs_alloc_tree_block+0xb8c/0x112c [ 59.125307][ T4930] btrfs_force_cow_block+0x3a8/0x1700 [ 59.126072][ T4930] btrfs_cow_block+0x2d8/0x66c [ 59.126748][ T4930] btrfs_search_slot+0xa10/0x1f4c [ 59.127479][ T4930] btrfs_insert_empty_items+0x1e0/0x2a8 [ 59.128239][ T4930] btrfs_insert_inode_ref+0x144/0x9e0 [ 59.128993][ T4930] btrfs_add_link+0x22c/0xa68 [ 59.129707][ T4930] btrfs_link+0x3ac/0x6a4 [ 59.130334][ T4930] vfs_link+0x5b4/0x744 [ 59.130925][ T4930] do_linkat+0x3dc/0x6f8 [ 59.131556][ T4930] __arm64_sys_linkat+0xe4/0x100 [ 59.132264][ T4930] invoke_syscall+0x98/0x2b8 [ 59.132918][ T4930] el0_svc_common+0x138/0x258 [ 59.133619][ T4930] do_el0_svc+0x58/0x14c [ 59.134195][ T4930] el0_svc+0x78/0x1e0 [ 59.134746][ T4930] el0t_64_sync_handler+0xcc/0xe4 [ 59.135477][ T4930] el0t_64_sync+0x1a0/0x1a4 [ 59.175470][ T4310] ------------[ cut here ]------------ [ 59.176325][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.178091][ T4310] Modules linked in: [ 59.178659][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.179982][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.181472][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.182625][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.183587][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 59.184586][ T4310] sp : ffff80001f137740 [ 59.185135][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b9bb30c [ 59.186494][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 59.187752][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 59.189002][ T4310] x20: ffff0000dcdd9860 x19: 0000000000000000 x18: 0000000000000000 [ 59.190241][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 59.191547][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 59.192715][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 59.193867][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 59.195095][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 59.196344][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 59.197605][ T4310] Call trace: [ 59.198090][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.199046][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 59.199881][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 59.200812][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 59.201626][ T4310] close_ctree+0x608/0x84c [ 59.202288][ T4310] btrfs_put_super+0x40/0x50 [ 59.202962][ T4310] generic_shutdown_super+0x130/0x2f0 [ 59.203779][ T4310] kill_anon_super+0x4c/0x80 [ 59.204431][ T4310] btrfs_kill_super+0x40/0x58 [ 59.205111][ T4310] deactivate_locked_super+0xb8/0x13c [ 59.205855][ T4310] deactivate_super+0xf8/0x118 [ 59.206507][ T4310] cleanup_mnt+0x3a4/0x458 [ 59.207166][ T4310] __cleanup_mnt+0x20/0x30 [ 59.207820][ T4310] task_work_run+0x12c/0x1e0 [ 59.208507][ T4310] do_notify_resume+0x24b4/0x3128 [ 59.209222][ T4310] el0_svc+0xf0/0x1e0 [ 59.209825][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 59.210523][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 59.211167][ T4310] irq event stamp: 507150 [ 59.211828][ T4310] hardirqs last enabled at (507149): [] kasan_quarantine_put+0xc4/0x204 [ 59.213354][ T4310] hardirqs last disabled at (507150): [] el1_dbg+0x24/0x80 [ 59.214679][ T4310] softirqs last enabled at (503004): [] local_bh_enable+0x10/0x34 [ 59.216136][ T4310] softirqs last disabled at (503002): [] local_bh_disable+0x10/0x34 [ 59.217585][ T4310] ---[ end trace 1850ba0ce90a2090 ]--- [ 59.378132][ T4953] loop0: detected capacity change from 0 to 32768 [ 59.380845][ T4953] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4953) [ 59.384903][ T4953] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.386370][ T4953] BTRFS info (device loop0): setting nodatasum [ 59.387321][ T4953] BTRFS info (device loop0): enabling ssd optimizations [ 59.388526][ T4953] BTRFS info (device loop0): max_inline at 0 [ 59.389669][ T4953] BTRFS info (device loop0): using free space tree [ 59.390932][ T4953] BTRFS info (device loop0): has skinny extents [ 59.403220][ T4953] FAULT_INJECTION: forcing a failure. [ 59.403220][ T4953] name failslab, interval 1, probability 0, space 0, times 0 [ 59.405200][ T4953] CPU: 0 PID: 4953 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.406541][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.408005][ T4953] Call trace: [ 59.408497][ T4953] dump_backtrace+0x0/0x43c [ 59.409188][ T4953] show_stack+0x2c/0x3c [ 59.409890][ T4953] __dump_stack+0x30/0x40 [ 59.410518][ T4953] dump_stack_lvl+0xf8/0x160 [ 59.411201][ T4953] dump_stack+0x1c/0x5c [ 59.411790][ T4953] should_fail+0x3c0/0x51c [ 59.412448][ T4953] __should_failslab+0xbc/0x10c [ 59.413155][ T4953] should_failslab+0x10/0x28 [ 59.413855][ T4953] slab_pre_alloc_hook+0x64/0xec [ 59.414645][ T4953] kmem_cache_alloc+0x94/0x3e4 [ 59.415337][ T4953] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 59.416115][ T4953] btrfs_alloc_tree_block+0xb8c/0x112c [ 59.416898][ T4953] btrfs_force_cow_block+0x3a8/0x1700 [ 59.417691][ T4953] btrfs_cow_block+0x2d8/0x66c [ 59.418380][ T4953] btrfs_search_slot+0xa10/0x1f4c [ 59.419149][ T4953] btrfs_insert_empty_items+0x1e0/0x2a8 [ 59.419956][ T4953] btrfs_insert_inode_ref+0x144/0x9e0 [ 59.420767][ T4953] btrfs_add_link+0x22c/0xa68 [ 59.421507][ T4953] btrfs_link+0x3ac/0x6a4 [ 59.422113][ T4953] vfs_link+0x5b4/0x744 [ 59.422796][ T4953] do_linkat+0x3dc/0x6f8 [ 59.423347][ T4953] __arm64_sys_linkat+0xe4/0x100 [ 59.424054][ T4953] invoke_syscall+0x98/0x2b8 [ 59.424763][ T4953] el0_svc_common+0x138/0x258 [ 59.425482][ T4953] do_el0_svc+0x58/0x14c [ 59.426146][ T4953] el0_svc+0x78/0x1e0 [ 59.426753][ T4953] el0t_64_sync_handler+0xcc/0xe4 [ 59.427473][ T4953] el0t_64_sync+0x1a0/0x1a4 [ 59.463386][ T4310] ------------[ cut here ]------------ [ 59.464256][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.466073][ T4310] Modules linked in: [ 59.466726][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.468106][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.469681][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.470953][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.472054][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 59.473153][ T4310] sp : ffff80001f137740 [ 59.473827][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b254e0c [ 59.475058][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 59.476323][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 59.477566][ T4310] x20: ffff0000d92a7060 x19: 0000000000000000 x18: 0000000000000000 [ 59.478822][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 59.480036][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 59.481150][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 59.482317][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 59.483384][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 59.484575][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 59.485800][ T4310] Call trace: [ 59.486296][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.487258][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 59.488056][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 59.488910][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 59.489715][ T4310] close_ctree+0x608/0x84c [ 59.490427][ T4310] btrfs_put_super+0x40/0x50 [ 59.491139][ T4310] generic_shutdown_super+0x130/0x2f0 [ 59.491895][ T4310] kill_anon_super+0x4c/0x80 [ 59.492662][ T4310] btrfs_kill_super+0x40/0x58 [ 59.493473][ T4310] deactivate_locked_super+0xb8/0x13c [ 59.494382][ T4310] deactivate_super+0xf8/0x118 [ 59.495181][ T4310] cleanup_mnt+0x3a4/0x458 [ 59.495896][ T4310] __cleanup_mnt+0x20/0x30 [ 59.496607][ T4310] task_work_run+0x12c/0x1e0 [ 59.497356][ T4310] do_notify_resume+0x24b4/0x3128 [ 59.498172][ T4310] el0_svc+0xf0/0x1e0 [ 59.498804][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 59.499608][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 59.500303][ T4310] irq event stamp: 538238 [ 59.500948][ T4310] hardirqs last enabled at (538237): [] kasan_quarantine_put+0xc4/0x204 [ 59.502480][ T4310] hardirqs last disabled at (538238): [] el1_dbg+0x24/0x80 [ 59.503918][ T4310] softirqs last enabled at (536826): [] handle_softirqs+0xa4c/0xbf0 [ 59.505555][ T4310] softirqs last disabled at (536813): [] __irq_exit_rcu+0x240/0x440 [ 59.507176][ T4310] ---[ end trace 1850ba0ce90a2091 ]--- [ 59.657797][ T4974] loop0: detected capacity change from 0 to 32768 [ 59.661471][ T4974] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4974) [ 59.666532][ T4974] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.668050][ T4974] BTRFS info (device loop0): setting nodatasum [ 59.668975][ T4974] BTRFS info (device loop0): enabling ssd optimizations [ 59.670690][ T4974] BTRFS info (device loop0): max_inline at 0 [ 59.671807][ T4974] BTRFS info (device loop0): using free space tree [ 59.672919][ T4974] BTRFS info (device loop0): has skinny extents [ 59.686802][ T4974] FAULT_INJECTION: forcing a failure. [ 59.686802][ T4974] name failslab, interval 1, probability 0, space 0, times 0 [ 59.688683][ T4974] CPU: 0 PID: 4974 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.690039][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.691506][ T4974] Call trace: [ 59.691938][ T4974] dump_backtrace+0x0/0x43c [ 59.692612][ T4974] show_stack+0x2c/0x3c [ 59.693216][ T4974] __dump_stack+0x30/0x40 [ 59.693829][ T4974] dump_stack_lvl+0xf8/0x160 [ 59.694489][ T4974] dump_stack+0x1c/0x5c [ 59.695184][ T4974] should_fail+0x3c0/0x51c [ 59.695942][ T4974] __should_failslab+0xbc/0x10c [ 59.696755][ T4974] should_failslab+0x10/0x28 [ 59.697492][ T4974] slab_pre_alloc_hook+0x64/0xec [ 59.698289][ T4974] kmem_cache_alloc+0x94/0x3e4 [ 59.699080][ T4974] btrfs_alloc_tree_block+0xa30/0x112c [ 59.699893][ T4974] btrfs_force_cow_block+0x3a8/0x1700 [ 59.700703][ T4974] btrfs_cow_block+0x2d8/0x66c [ 59.701465][ T4974] btrfs_search_slot+0xa10/0x1f4c [ 59.702215][ T4974] btrfs_insert_empty_items+0x1e0/0x2a8 [ 59.702992][ T4974] btrfs_insert_inode_ref+0x144/0x9e0 [ 59.703843][ T4974] btrfs_add_link+0x22c/0xa68 [ 59.704556][ T4974] btrfs_link+0x3ac/0x6a4 [ 59.705193][ T4974] vfs_link+0x5b4/0x744 [ 59.705798][ T4974] do_linkat+0x3dc/0x6f8 [ 59.706405][ T4974] __arm64_sys_linkat+0xe4/0x100 [ 59.707102][ T4974] invoke_syscall+0x98/0x2b8 [ 59.707779][ T4974] el0_svc_common+0x138/0x258 [ 59.708468][ T4974] do_el0_svc+0x58/0x14c [ 59.709115][ T4974] el0_svc+0x78/0x1e0 [ 59.709680][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 59.710526][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 59.746771][ T4310] ------------[ cut here ]------------ [ 59.747566][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.749217][ T4310] Modules linked in: [ 59.749812][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.751178][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.752659][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.753812][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.754875][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 59.755878][ T4310] sp : ffff80001f137740 [ 59.756502][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b7f1b0c [ 59.757709][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 59.758931][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 59.760098][ T4310] x20: ffff0000dbf8d860 x19: 0000000000000000 x18: 0000000000000000 [ 59.761245][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 59.762421][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 59.763571][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 59.764758][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 59.765940][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 59.767122][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 59.768222][ T4310] Call trace: [ 59.768672][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 59.769694][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 59.770510][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 59.771396][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 59.772173][ T4310] close_ctree+0x608/0x84c [ 59.772781][ T4310] btrfs_put_super+0x40/0x50 [ 59.773422][ T4310] generic_shutdown_super+0x130/0x2f0 [ 59.774174][ T4310] kill_anon_super+0x4c/0x80 [ 59.774864][ T4310] btrfs_kill_super+0x40/0x58 [ 59.775514][ T4310] deactivate_locked_super+0xb8/0x13c [ 59.776226][ T4310] deactivate_super+0xf8/0x118 [ 59.776854][ T4310] cleanup_mnt+0x3a4/0x458 [ 59.777458][ T4310] __cleanup_mnt+0x20/0x30 [ 59.778090][ T4310] task_work_run+0x12c/0x1e0 [ 59.778876][ T4310] do_notify_resume+0x24b4/0x3128 [ 59.779707][ T4310] el0_svc+0xf0/0x1e0 [ 59.780368][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 59.781115][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 59.781828][ T4310] irq event stamp: 567478 [ 59.782521][ T4310] hardirqs last enabled at (567477): [] kasan_quarantine_put+0xc4/0x204 [ 59.784193][ T4310] hardirqs last disabled at (567478): [] el1_dbg+0x24/0x80 [ 59.785659][ T4310] softirqs last enabled at (564382): [] handle_softirqs+0xa4c/0xbf0 [ 59.787209][ T4310] softirqs last disabled at (564279): [] __irq_exit_rcu+0x240/0x440 [ 59.788789][ T4310] ---[ end trace 1850ba0ce90a2092 ]--- [ 59.929169][ T4503] Bluetooth: hci0: command 0x040f tx timeout [ 59.946156][ T4995] loop0: detected capacity change from 0 to 32768 [ 59.948818][ T4995] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4995) [ 59.953158][ T4995] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.954611][ T4995] BTRFS info (device loop0): setting nodatasum [ 59.955605][ T4995] BTRFS info (device loop0): enabling ssd optimizations [ 59.956899][ T4995] BTRFS info (device loop0): max_inline at 0 [ 59.957753][ T4995] BTRFS info (device loop0): using free space tree [ 59.958722][ T4995] BTRFS info (device loop0): has skinny extents [ 59.974953][ T4995] FAULT_INJECTION: forcing a failure. [ 59.974953][ T4995] name failslab, interval 1, probability 0, space 0, times 0 [ 59.977065][ T4995] CPU: 1 PID: 4995 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.978407][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.979943][ T4995] Call trace: [ 59.980415][ T4995] dump_backtrace+0x0/0x43c [ 59.981085][ T4995] show_stack+0x2c/0x3c [ 59.981746][ T4995] __dump_stack+0x30/0x40 [ 59.982352][ T4995] dump_stack_lvl+0xf8/0x160 [ 59.982995][ T4995] dump_stack+0x1c/0x5c [ 59.983613][ T4995] should_fail+0x3c0/0x51c [ 59.984288][ T4995] __should_failslab+0xbc/0x10c [ 59.984943][ T4995] should_failslab+0x10/0x28 [ 59.985653][ T4995] slab_pre_alloc_hook+0x64/0xec [ 59.986385][ T4995] kmem_cache_alloc+0x94/0x3e4 [ 59.987028][ T4995] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 59.987809][ T4995] btrfs_alloc_tree_block+0xb8c/0x112c [ 59.988620][ T4995] btrfs_force_cow_block+0x3a8/0x1700 [ 59.989418][ T4995] btrfs_cow_block+0x2d8/0x66c [ 59.990094][ T4995] btrfs_search_slot+0xa10/0x1f4c [ 59.990836][ T4995] btrfs_insert_empty_items+0x1e0/0x2a8 [ 59.991664][ T4995] btrfs_insert_inode_ref+0x144/0x9e0 [ 59.992412][ T4995] btrfs_add_link+0x22c/0xa68 [ 59.993033][ T4995] btrfs_link+0x3ac/0x6a4 [ 59.993658][ T4995] vfs_link+0x5b4/0x744 [ 59.994205][ T4995] do_linkat+0x3dc/0x6f8 [ 59.994777][ T4995] __arm64_sys_linkat+0xe4/0x100 [ 59.995453][ T4995] invoke_syscall+0x98/0x2b8 [ 59.996094][ T4995] el0_svc_common+0x138/0x258 [ 59.996724][ T4995] do_el0_svc+0x58/0x14c [ 59.997296][ T4995] el0_svc+0x78/0x1e0 [ 59.997816][ T4995] el0t_64_sync_handler+0xcc/0xe4 [ 59.998520][ T4995] el0t_64_sync+0x1a0/0x1a4 [ 60.036847][ T4310] ------------[ cut here ]------------ [ 60.037776][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.039557][ T4310] Modules linked in: [ 60.040169][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.041581][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.043152][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.044422][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.045429][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 60.046410][ T4310] sp : ffff80001f137740 [ 60.047006][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001a777a0c [ 60.048203][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 60.049442][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 60.050614][ T4310] x20: ffff0000d3bbd060 x19: 0000000000000000 x18: 0000000000000000 [ 60.051810][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 60.052979][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 60.054282][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 60.055549][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 60.056743][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 60.057989][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 60.059198][ T4310] Call trace: [ 60.059702][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.060664][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 60.061435][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 60.062457][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 60.063384][ T4310] close_ctree+0x608/0x84c [ 60.064091][ T4310] btrfs_put_super+0x40/0x50 [ 60.064838][ T4310] generic_shutdown_super+0x130/0x2f0 [ 60.065670][ T4310] kill_anon_super+0x4c/0x80 [ 60.066395][ T4310] btrfs_kill_super+0x40/0x58 [ 60.067087][ T4310] deactivate_locked_super+0xb8/0x13c [ 60.067909][ T4310] deactivate_super+0xf8/0x118 [ 60.068666][ T4310] cleanup_mnt+0x3a4/0x458 [ 60.069303][ T4310] __cleanup_mnt+0x20/0x30 [ 60.069970][ T4310] task_work_run+0x12c/0x1e0 [ 60.070600][ T4310] do_notify_resume+0x24b4/0x3128 [ 60.071314][ T4310] el0_svc+0xf0/0x1e0 [ 60.071881][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 60.072566][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 60.073183][ T4310] irq event stamp: 596572 [ 60.073809][ T4310] hardirqs last enabled at (596571): [] kasan_quarantine_put+0xc4/0x204 [ 60.075247][ T4310] hardirqs last disabled at (596572): [] el1_dbg+0x24/0x80 [ 60.076517][ T4310] softirqs last enabled at (594664): [] handle_softirqs+0xa4c/0xbf0 [ 60.077880][ T4310] softirqs last disabled at (594641): [] __irq_exit_rcu+0x240/0x440 [ 60.079198][ T4310] ---[ end trace 1850ba0ce90a2093 ]--- [ 60.236915][ T5016] loop0: detected capacity change from 0 to 32768 [ 60.239960][ T5016] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5016) [ 60.243997][ T5016] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 60.245498][ T5016] BTRFS info (device loop0): setting nodatasum [ 60.246387][ T5016] BTRFS info (device loop0): enabling ssd optimizations [ 60.247611][ T5016] BTRFS info (device loop0): max_inline at 0 [ 60.248543][ T5016] BTRFS info (device loop0): using free space tree [ 60.249582][ T5016] BTRFS info (device loop0): has skinny extents [ 60.265496][ T5016] FAULT_INJECTION: forcing a failure. [ 60.265496][ T5016] name failslab, interval 1, probability 0, space 0, times 0 [ 60.267443][ T5016] CPU: 0 PID: 5016 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.268794][ T5016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.270377][ T5016] Call trace: [ 60.270886][ T5016] dump_backtrace+0x0/0x43c [ 60.271614][ T5016] show_stack+0x2c/0x3c [ 60.272221][ T5016] __dump_stack+0x30/0x40 [ 60.272887][ T5016] dump_stack_lvl+0xf8/0x160 [ 60.273617][ T5016] dump_stack+0x1c/0x5c [ 60.274280][ T5016] should_fail+0x3c0/0x51c [ 60.274961][ T5016] __should_failslab+0xbc/0x10c [ 60.275690][ T5016] should_failslab+0x10/0x28 [ 60.276422][ T5016] slab_pre_alloc_hook+0x64/0xec [ 60.277181][ T5016] kmem_cache_alloc+0x94/0x3e4 [ 60.277839][ T5016] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 60.278664][ T5016] btrfs_alloc_tree_block+0xb8c/0x112c [ 60.279489][ T5016] btrfs_force_cow_block+0x3a8/0x1700 [ 60.280275][ T5016] btrfs_cow_block+0x2d8/0x66c [ 60.280956][ T5016] btrfs_search_slot+0xa10/0x1f4c [ 60.281659][ T5016] btrfs_insert_empty_items+0x1e0/0x2a8 [ 60.282434][ T5016] btrfs_insert_inode_ref+0x144/0x9e0 [ 60.283220][ T5016] btrfs_add_link+0x22c/0xa68 [ 60.283888][ T5016] btrfs_link+0x3ac/0x6a4 [ 60.284505][ T5016] vfs_link+0x5b4/0x744 [ 60.285109][ T5016] do_linkat+0x3dc/0x6f8 [ 60.285716][ T5016] __arm64_sys_linkat+0xe4/0x100 [ 60.286416][ T5016] invoke_syscall+0x98/0x2b8 [ 60.287034][ T5016] el0_svc_common+0x138/0x258 [ 60.287672][ T5016] do_el0_svc+0x58/0x14c [ 60.288289][ T5016] el0_svc+0x78/0x1e0 [ 60.288859][ T5016] el0t_64_sync_handler+0xcc/0xe4 [ 60.289542][ T5016] el0t_64_sync+0x1a0/0x1a4 [ 60.325662][ T4310] ------------[ cut here ]------------ [ 60.326602][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.328302][ T4310] Modules linked in: [ 60.328940][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.330390][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.331904][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.333072][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.334088][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 60.335097][ T4310] sp : ffff80001f137740 [ 60.335691][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe000182a570c [ 60.336828][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 60.338011][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 60.339223][ T4310] x20: ffff0000c152b860 x19: 0000000000000000 x18: 0000000000000000 [ 60.340417][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 60.341760][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 60.343020][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 60.344242][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 60.345423][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 60.346606][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 60.347818][ T4310] Call trace: [ 60.348292][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.349256][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 60.350015][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 60.350936][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 60.351735][ T4310] close_ctree+0x608/0x84c [ 60.352418][ T4310] btrfs_put_super+0x40/0x50 [ 60.353048][ T4310] generic_shutdown_super+0x130/0x2f0 [ 60.353820][ T4310] kill_anon_super+0x4c/0x80 [ 60.354506][ T4310] btrfs_kill_super+0x40/0x58 [ 60.355144][ T4310] deactivate_locked_super+0xb8/0x13c [ 60.355935][ T4310] deactivate_super+0xf8/0x118 [ 60.356599][ T4310] cleanup_mnt+0x3a4/0x458 [ 60.357235][ T4310] __cleanup_mnt+0x20/0x30 [ 60.357865][ T4310] task_work_run+0x12c/0x1e0 [ 60.358481][ T4310] do_notify_resume+0x24b4/0x3128 [ 60.359182][ T4310] el0_svc+0xf0/0x1e0 [ 60.359744][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 60.360476][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 60.361143][ T4310] irq event stamp: 626908 [ 60.361769][ T4310] hardirqs last enabled at (626907): [] kasan_quarantine_put+0xc4/0x204 [ 60.363218][ T4310] hardirqs last disabled at (626908): [] el1_dbg+0x24/0x80 [ 60.364508][ T4310] softirqs last enabled at (626566): [] handle_softirqs+0xa4c/0xbf0 [ 60.365880][ T4310] softirqs last disabled at (626333): [] __irq_exit_rcu+0x240/0x440 [ 60.367262][ T4310] ---[ end trace 1850ba0ce90a2094 ]--- [ 60.519432][ T5037] loop0: detected capacity change from 0 to 32768 [ 60.522178][ T5037] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5037) [ 60.525280][ T5037] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 60.527533][ T5037] BTRFS info (device loop0): setting nodatasum [ 60.528497][ T5037] BTRFS info (device loop0): enabling ssd optimizations [ 60.530231][ T5037] BTRFS info (device loop0): max_inline at 0 [ 60.531349][ T5037] BTRFS info (device loop0): using free space tree [ 60.532352][ T5037] BTRFS info (device loop0): has skinny extents [ 60.545027][ T5037] FAULT_INJECTION: forcing a failure. [ 60.545027][ T5037] name failslab, interval 1, probability 0, space 0, times 0 [ 60.547155][ T5037] CPU: 1 PID: 5037 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.548450][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.549961][ T5037] Call trace: [ 60.550492][ T5037] dump_backtrace+0x0/0x43c [ 60.551222][ T5037] show_stack+0x2c/0x3c [ 60.551925][ T5037] __dump_stack+0x30/0x40 [ 60.552649][ T5037] dump_stack_lvl+0xf8/0x160 [ 60.553338][ T5037] dump_stack+0x1c/0x5c [ 60.553958][ T5037] should_fail+0x3c0/0x51c [ 60.554692][ T5037] __should_failslab+0xbc/0x10c [ 60.555527][ T5037] should_failslab+0x10/0x28 [ 60.556255][ T5037] slab_pre_alloc_hook+0x64/0xec [ 60.557055][ T5037] kmem_cache_alloc+0x94/0x3e4 [ 60.557794][ T5037] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 60.558648][ T5037] btrfs_alloc_tree_block+0xb8c/0x112c [ 60.559510][ T5037] btrfs_force_cow_block+0x3a8/0x1700 [ 60.560334][ T5037] btrfs_cow_block+0x2d8/0x66c [ 60.561005][ T5037] btrfs_search_slot+0xa10/0x1f4c [ 60.561756][ T5037] btrfs_insert_empty_items+0x1e0/0x2a8 [ 60.562508][ T5037] btrfs_insert_inode_ref+0x144/0x9e0 [ 60.563309][ T5037] btrfs_add_link+0x22c/0xa68 [ 60.563998][ T5037] btrfs_link+0x3ac/0x6a4 [ 60.564604][ T5037] vfs_link+0x5b4/0x744 [ 60.565213][ T5037] do_linkat+0x3dc/0x6f8 [ 60.565830][ T5037] __arm64_sys_linkat+0xe4/0x100 [ 60.566515][ T5037] invoke_syscall+0x98/0x2b8 [ 60.567201][ T5037] el0_svc_common+0x138/0x258 [ 60.567892][ T5037] do_el0_svc+0x58/0x14c [ 60.568475][ T5037] el0_svc+0x78/0x1e0 [ 60.569066][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 60.569769][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 60.603651][ T4310] ------------[ cut here ]------------ [ 60.604486][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.606133][ T4310] Modules linked in: [ 60.606649][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.607899][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.609423][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.610599][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.611619][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 60.612678][ T4310] sp : ffff80001f137740 [ 60.613322][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001a02f80c [ 60.614562][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 60.615794][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 60.617045][ T4310] x20: ffff0000d017c060 x19: 0000000000000000 x18: 0000000000000000 [ 60.618214][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 60.619340][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 60.620486][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 60.621750][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 60.622920][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 60.624095][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 60.625269][ T4310] Call trace: [ 60.625715][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.626681][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 60.627453][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 60.628334][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 60.629082][ T4310] close_ctree+0x608/0x84c [ 60.629707][ T4310] btrfs_put_super+0x40/0x50 [ 60.630338][ T4310] generic_shutdown_super+0x130/0x2f0 [ 60.631048][ T4310] kill_anon_super+0x4c/0x80 [ 60.631644][ T4310] btrfs_kill_super+0x40/0x58 [ 60.632294][ T4310] deactivate_locked_super+0xb8/0x13c [ 60.633071][ T4310] deactivate_super+0xf8/0x118 [ 60.633742][ T4310] cleanup_mnt+0x3a4/0x458 [ 60.634321][ T4310] __cleanup_mnt+0x20/0x30 [ 60.634915][ T4310] task_work_run+0x12c/0x1e0 [ 60.635523][ T4310] do_notify_resume+0x24b4/0x3128 [ 60.636195][ T4310] el0_svc+0xf0/0x1e0 [ 60.636739][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 60.637435][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 60.638094][ T4310] irq event stamp: 656210 [ 60.638792][ T4310] hardirqs last enabled at (656209): [] kasan_quarantine_put+0xc4/0x204 [ 60.640322][ T4310] hardirqs last disabled at (656210): [] el1_dbg+0x24/0x80 [ 60.641553][ T4310] softirqs last enabled at (653648): [] handle_softirqs+0xa4c/0xbf0 [ 60.642881][ T4310] softirqs last disabled at (653637): [] __irq_exit_rcu+0x240/0x440 [ 60.644276][ T4310] ---[ end trace 1850ba0ce90a2095 ]--- [ 60.809371][ T5058] loop0: detected capacity change from 0 to 32768 [ 60.812032][ T5058] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5058) [ 60.815492][ T5058] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 60.816952][ T5058] BTRFS info (device loop0): setting nodatasum [ 60.817895][ T5058] BTRFS info (device loop0): enabling ssd optimizations [ 60.819179][ T5058] BTRFS info (device loop0): max_inline at 0 [ 60.820134][ T5058] BTRFS info (device loop0): using free space tree [ 60.821276][ T5058] BTRFS info (device loop0): has skinny extents [ 60.833466][ T5058] FAULT_INJECTION: forcing a failure. [ 60.833466][ T5058] name failslab, interval 1, probability 0, space 0, times 0 [ 60.835648][ T5058] CPU: 0 PID: 5058 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.837080][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.838529][ T5058] Call trace: [ 60.839039][ T5058] dump_backtrace+0x0/0x43c [ 60.839745][ T5058] show_stack+0x2c/0x3c [ 60.840354][ T5058] __dump_stack+0x30/0x40 [ 60.840999][ T5058] dump_stack_lvl+0xf8/0x160 [ 60.841665][ T5058] dump_stack+0x1c/0x5c [ 60.842210][ T5058] should_fail+0x3c0/0x51c [ 60.842883][ T5058] __should_failslab+0xbc/0x10c [ 60.843589][ T5058] should_failslab+0x10/0x28 [ 60.844238][ T5058] slab_pre_alloc_hook+0x64/0xec [ 60.844917][ T5058] kmem_cache_alloc+0x94/0x3e4 [ 60.845559][ T5058] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 60.846386][ T5058] btrfs_alloc_tree_block+0xb8c/0x112c [ 60.847187][ T5058] btrfs_force_cow_block+0x3a8/0x1700 [ 60.847988][ T5058] btrfs_cow_block+0x2d8/0x66c [ 60.848705][ T5058] btrfs_search_slot+0xa10/0x1f4c [ 60.849428][ T5058] btrfs_insert_empty_items+0x1e0/0x2a8 [ 60.850248][ T5058] btrfs_insert_inode_ref+0x144/0x9e0 [ 60.851038][ T5058] btrfs_add_link+0x22c/0xa68 [ 60.851731][ T5058] btrfs_link+0x3ac/0x6a4 [ 60.852372][ T5058] vfs_link+0x5b4/0x744 [ 60.852939][ T5058] do_linkat+0x3dc/0x6f8 [ 60.853532][ T5058] __arm64_sys_linkat+0xe4/0x100 [ 60.854221][ T5058] invoke_syscall+0x98/0x2b8 [ 60.854870][ T5058] el0_svc_common+0x138/0x258 [ 60.855521][ T5058] do_el0_svc+0x58/0x14c [ 60.856096][ T5058] el0_svc+0x78/0x1e0 [ 60.856742][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 60.857553][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 60.892978][ T4310] ------------[ cut here ]------------ [ 60.893903][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.895577][ T4310] Modules linked in: [ 60.896187][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.897662][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.899277][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.900499][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.901577][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 60.902595][ T4310] sp : ffff80001f137740 [ 60.903187][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001855a20c [ 60.904402][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 60.905557][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 60.906741][ T4310] x20: ffff0000c2ad1060 x19: 0000000000000000 x18: 0000000000000000 [ 60.907976][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 60.909204][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 60.910359][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 60.911597][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 60.912687][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 60.913839][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 60.914921][ T4310] Call trace: [ 60.915435][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 60.916465][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 60.917271][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 60.918180][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 60.918946][ T4310] close_ctree+0x608/0x84c [ 60.919590][ T4310] btrfs_put_super+0x40/0x50 [ 60.920251][ T4310] generic_shutdown_super+0x130/0x2f0 [ 60.921036][ T4310] kill_anon_super+0x4c/0x80 [ 60.921705][ T4310] btrfs_kill_super+0x40/0x58 [ 60.922384][ T4310] deactivate_locked_super+0xb8/0x13c [ 60.923199][ T4310] deactivate_super+0xf8/0x118 [ 60.923965][ T4310] cleanup_mnt+0x3a4/0x458 [ 60.924615][ T4310] __cleanup_mnt+0x20/0x30 [ 60.925259][ T4310] task_work_run+0x12c/0x1e0 [ 60.925970][ T4310] do_notify_resume+0x24b4/0x3128 [ 60.926690][ T4310] el0_svc+0xf0/0x1e0 [ 60.927276][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 60.928014][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 60.928645][ T4310] irq event stamp: 686160 [ 60.929301][ T4310] hardirqs last enabled at (686159): [] kasan_quarantine_put+0xc4/0x204 [ 60.930764][ T4310] hardirqs last disabled at (686160): [] el1_dbg+0x24/0x80 [ 60.932027][ T4310] softirqs last enabled at (684500): [] handle_softirqs+0xa4c/0xbf0 [ 60.933465][ T4310] softirqs last disabled at (684439): [] __irq_exit_rcu+0x240/0x440 [ 60.934777][ T4310] ---[ end trace 1850ba0ce90a2096 ]--- [ 61.086664][ T5079] loop0: detected capacity change from 0 to 32768 [ 61.090626][ T5079] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5079) [ 61.097862][ T5079] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.099434][ T5079] BTRFS info (device loop0): setting nodatasum [ 61.100330][ T5079] BTRFS info (device loop0): enabling ssd optimizations [ 61.101399][ T5079] BTRFS info (device loop0): max_inline at 0 [ 61.102227][ T5079] BTRFS info (device loop0): using free space tree [ 61.103160][ T5079] BTRFS info (device loop0): has skinny extents [ 61.128172][ T5079] FAULT_INJECTION: forcing a failure. [ 61.128172][ T5079] name failslab, interval 1, probability 0, space 0, times 0 [ 61.130916][ T5079] CPU: 1 PID: 5079 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.132181][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.133657][ T5079] Call trace: [ 61.134112][ T5079] dump_backtrace+0x0/0x43c [ 61.134781][ T5079] show_stack+0x2c/0x3c [ 61.135368][ T5079] __dump_stack+0x30/0x40 [ 61.136021][ T5079] dump_stack_lvl+0xf8/0x160 [ 61.136716][ T5079] dump_stack+0x1c/0x5c [ 61.137342][ T5079] should_fail+0x3c0/0x51c [ 61.138015][ T5079] __should_failslab+0xbc/0x10c [ 61.138694][ T5079] should_failslab+0x10/0x28 [ 61.139426][ T5079] slab_pre_alloc_hook+0x64/0xec [ 61.140143][ T5079] kmem_cache_alloc+0x94/0x3e4 [ 61.140844][ T5079] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 61.141688][ T5079] btrfs_alloc_tree_block+0xb8c/0x112c [ 61.142548][ T5079] btrfs_force_cow_block+0x3a8/0x1700 [ 61.143281][ T5079] btrfs_cow_block+0x2d8/0x66c [ 61.143954][ T5079] btrfs_search_slot+0xa10/0x1f4c [ 61.144643][ T5079] btrfs_insert_empty_items+0x1e0/0x2a8 [ 61.145394][ T5079] btrfs_insert_inode_ref+0x144/0x9e0 [ 61.146169][ T5079] btrfs_add_link+0x22c/0xa68 [ 61.146826][ T5079] btrfs_link+0x3ac/0x6a4 [ 61.147415][ T5079] vfs_link+0x5b4/0x744 [ 61.148005][ T5079] do_linkat+0x3dc/0x6f8 [ 61.148589][ T5079] __arm64_sys_linkat+0xe4/0x100 [ 61.149289][ T5079] invoke_syscall+0x98/0x2b8 [ 61.149949][ T5079] el0_svc_common+0x138/0x258 [ 61.150575][ T5079] do_el0_svc+0x58/0x14c [ 61.151136][ T5079] el0_svc+0x78/0x1e0 [ 61.151697][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 61.152409][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 61.187300][ T4310] ------------[ cut here ]------------ [ 61.188132][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.189798][ T4310] Modules linked in: [ 61.190349][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.191692][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.193088][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.194191][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.195199][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 61.196125][ T4310] sp : ffff80001f137740 [ 61.196676][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001abdde0c [ 61.197782][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 61.198955][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 61.200075][ T4310] x20: ffff0000d5eef060 x19: 0000000000000000 x18: 0000000000000000 [ 61.201231][ T4310] x17: ffff800016d27000 x16: ffff8000111ceed0 x15: ffff800016807500 [ 61.202378][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 61.203548][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 61.204749][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 61.205918][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 61.207051][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 61.208219][ T4310] Call trace: [ 61.208693][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.209650][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 61.210381][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 61.211219][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 61.211993][ T4310] close_ctree+0x608/0x84c [ 61.212629][ T4310] btrfs_put_super+0x40/0x50 [ 61.213309][ T4310] generic_shutdown_super+0x130/0x2f0 [ 61.214138][ T4310] kill_anon_super+0x4c/0x80 [ 61.214826][ T4310] btrfs_kill_super+0x40/0x58 [ 61.215457][ T4310] deactivate_locked_super+0xb8/0x13c [ 61.216190][ T4310] deactivate_super+0xf8/0x118 [ 61.216860][ T4310] cleanup_mnt+0x3a4/0x458 [ 61.217458][ T4310] __cleanup_mnt+0x20/0x30 [ 61.218069][ T4310] task_work_run+0x12c/0x1e0 [ 61.218812][ T4310] do_notify_resume+0x24b4/0x3128 [ 61.219548][ T4310] el0_svc+0xf0/0x1e0 [ 61.220191][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 61.220890][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 61.221562][ T4310] irq event stamp: 715122 [ 61.222122][ T4310] hardirqs last enabled at (715121): [] kasan_quarantine_put+0xc4/0x204 [ 61.223439][ T4310] hardirqs last disabled at (715122): [] el1_dbg+0x24/0x80 [ 61.224690][ T4310] softirqs last enabled at (711280): [] local_bh_enable+0x10/0x34 [ 61.226100][ T4310] softirqs last disabled at (711278): [] local_bh_disable+0x10/0x34 [ 61.227472][ T4310] ---[ end trace 1850ba0ce90a2097 ]--- [ 61.392858][ T5100] loop0: detected capacity change from 0 to 32768 [ 61.395531][ T5100] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5100) [ 61.399808][ T5100] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.401310][ T5100] BTRFS info (device loop0): setting nodatasum [ 61.402258][ T5100] BTRFS info (device loop0): enabling ssd optimizations [ 61.403451][ T5100] BTRFS info (device loop0): max_inline at 0 [ 61.404364][ T5100] BTRFS info (device loop0): using free space tree [ 61.405592][ T5100] BTRFS info (device loop0): has skinny extents [ 61.422049][ T5100] FAULT_INJECTION: forcing a failure. [ 61.422049][ T5100] name failslab, interval 1, probability 0, space 0, times 0 [ 61.424075][ T5100] CPU: 1 PID: 5100 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.425437][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.426889][ T5100] Call trace: [ 61.427398][ T5100] dump_backtrace+0x0/0x43c [ 61.428045][ T5100] show_stack+0x2c/0x3c [ 61.428640][ T5100] __dump_stack+0x30/0x40 [ 61.429275][ T5100] dump_stack_lvl+0xf8/0x160 [ 61.429956][ T5100] dump_stack+0x1c/0x5c [ 61.430581][ T5100] should_fail+0x3c0/0x51c [ 61.431254][ T5100] __should_failslab+0xbc/0x10c [ 61.431912][ T5100] should_failslab+0x10/0x28 [ 61.432604][ T5100] slab_pre_alloc_hook+0x64/0xec [ 61.433322][ T5100] kmem_cache_alloc+0x94/0x3e4 [ 61.434015][ T5100] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 61.434871][ T5100] btrfs_alloc_tree_block+0xb8c/0x112c [ 61.435676][ T5100] btrfs_force_cow_block+0x3a8/0x1700 [ 61.436444][ T5100] btrfs_cow_block+0x2d8/0x66c [ 61.437090][ T5100] btrfs_search_slot+0xa10/0x1f4c [ 61.437850][ T5100] btrfs_insert_empty_items+0x1e0/0x2a8 [ 61.438619][ T5100] btrfs_insert_inode_ref+0x144/0x9e0 [ 61.439368][ T5100] btrfs_add_link+0x22c/0xa68 [ 61.440015][ T5100] btrfs_link+0x3ac/0x6a4 [ 61.440612][ T5100] vfs_link+0x5b4/0x744 [ 61.441215][ T5100] do_linkat+0x3dc/0x6f8 [ 61.441808][ T5100] __arm64_sys_linkat+0xe4/0x100 [ 61.442537][ T5100] invoke_syscall+0x98/0x2b8 [ 61.443215][ T5100] el0_svc_common+0x138/0x258 [ 61.443935][ T5100] do_el0_svc+0x58/0x14c [ 61.444555][ T5100] el0_svc+0x78/0x1e0 [ 61.445163][ T5100] el0t_64_sync_handler+0xcc/0xe4 [ 61.445873][ T5100] el0t_64_sync+0x1a0/0x1a4 [ 61.481541][ T4310] ------------[ cut here ]------------ [ 61.482484][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.484338][ T4310] Modules linked in: [ 61.484954][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.486405][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.487944][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.489193][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.490225][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 61.491246][ T4310] sp : ffff80001f137740 [ 61.491830][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001a409b0c [ 61.492967][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 61.494116][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 61.495330][ T4310] x20: ffff0000d204d860 x19: 0000000000000000 x18: 0000000000000000 [ 61.496579][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 61.497831][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 61.499008][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 61.500158][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 61.501280][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 61.502683][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 61.504110][ T4310] Call trace: [ 61.504640][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.505703][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 61.506568][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 61.507523][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 61.508364][ T4310] close_ctree+0x608/0x84c [ 61.509051][ T4310] btrfs_put_super+0x40/0x50 [ 61.509740][ T4310] generic_shutdown_super+0x130/0x2f0 [ 61.510505][ T4310] kill_anon_super+0x4c/0x80 [ 61.511150][ T4310] btrfs_kill_super+0x40/0x58 [ 61.511795][ T4310] deactivate_locked_super+0xb8/0x13c [ 61.512562][ T4310] deactivate_super+0xf8/0x118 [ 61.513317][ T4310] cleanup_mnt+0x3a4/0x458 [ 61.514037][ T4310] __cleanup_mnt+0x20/0x30 [ 61.514771][ T4310] task_work_run+0x12c/0x1e0 [ 61.515528][ T4310] do_notify_resume+0x24b4/0x3128 [ 61.516323][ T4310] el0_svc+0xf0/0x1e0 [ 61.516939][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 61.517754][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 61.518468][ T4310] irq event stamp: 744624 [ 61.519199][ T4310] hardirqs last enabled at (744623): [] kasan_quarantine_put+0xc4/0x204 [ 61.520679][ T4310] hardirqs last disabled at (744624): [] el1_dbg+0x24/0x80 [ 61.522034][ T4310] softirqs last enabled at (740726): [] local_bh_enable+0x10/0x34 [ 61.523403][ T4310] softirqs last disabled at (740724): [] local_bh_disable+0x10/0x34 [ 61.524918][ T4310] ---[ end trace 1850ba0ce90a2098 ]--- [ 61.677842][ T5121] loop0: detected capacity change from 0 to 32768 [ 61.681270][ T5121] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5121) [ 61.688605][ T5121] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.690218][ T5121] BTRFS info (device loop0): setting nodatasum [ 61.691151][ T5121] BTRFS info (device loop0): enabling ssd optimizations [ 61.692321][ T5121] BTRFS info (device loop0): max_inline at 0 [ 61.693150][ T5121] BTRFS info (device loop0): using free space tree [ 61.694142][ T5121] BTRFS info (device loop0): has skinny extents [ 61.711434][ T5121] FAULT_INJECTION: forcing a failure. [ 61.711434][ T5121] name failslab, interval 1, probability 0, space 0, times 0 [ 61.713566][ T5121] CPU: 0 PID: 5121 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.714911][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.716502][ T5121] Call trace: [ 61.717027][ T5121] dump_backtrace+0x0/0x43c [ 61.717662][ T5121] show_stack+0x2c/0x3c [ 61.718231][ T5121] __dump_stack+0x30/0x40 [ 61.718861][ T5121] dump_stack_lvl+0xf8/0x160 [ 61.719532][ T5121] dump_stack+0x1c/0x5c [ 61.720129][ T5121] should_fail+0x3c0/0x51c [ 61.720772][ T5121] __should_failslab+0xbc/0x10c [ 61.721476][ T5121] should_failslab+0x10/0x28 [ 61.722149][ T5121] slab_pre_alloc_hook+0x64/0xec [ 61.722839][ T5121] kmem_cache_alloc+0x94/0x3e4 [ 61.723473][ T5121] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 61.724226][ T5121] btrfs_alloc_tree_block+0xb8c/0x112c [ 61.724980][ T5121] btrfs_force_cow_block+0x3a8/0x1700 [ 61.725719][ T5121] btrfs_cow_block+0x2d8/0x66c [ 61.726415][ T5121] btrfs_search_slot+0xa10/0x1f4c [ 61.727079][ T5121] btrfs_insert_empty_items+0x1e0/0x2a8 [ 61.727920][ T5121] btrfs_insert_inode_ref+0x144/0x9e0 [ 61.728691][ T5121] btrfs_add_link+0x22c/0xa68 [ 61.729365][ T5121] btrfs_link+0x3ac/0x6a4 [ 61.730016][ T5121] vfs_link+0x5b4/0x744 [ 61.730650][ T5121] do_linkat+0x3dc/0x6f8 [ 61.731298][ T5121] __arm64_sys_linkat+0xe4/0x100 [ 61.732060][ T5121] invoke_syscall+0x98/0x2b8 [ 61.732812][ T5121] el0_svc_common+0x138/0x258 [ 61.733529][ T5121] do_el0_svc+0x58/0x14c [ 61.734178][ T5121] el0_svc+0x78/0x1e0 [ 61.734797][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 61.735644][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 61.770688][ T4310] ------------[ cut here ]------------ [ 61.771511][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.773180][ T4310] Modules linked in: [ 61.773741][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.775033][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.776429][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.777516][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.778428][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 61.779360][ T4310] sp : ffff80001f137740 [ 61.779959][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe00019f4dd0c [ 61.781121][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 61.782278][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 61.783408][ T4310] x20: ffff0000cfa6e860 x19: 0000000000000000 x18: 0000000000000000 [ 61.784599][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 61.785731][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 61.786905][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 61.788043][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 61.789260][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 61.790418][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 61.791597][ T4310] Call trace: [ 61.792077][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 61.792990][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 61.793752][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 61.794581][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 61.795324][ T4310] close_ctree+0x608/0x84c [ 61.795970][ T4310] btrfs_put_super+0x40/0x50 [ 61.796662][ T4310] generic_shutdown_super+0x130/0x2f0 [ 61.797467][ T4310] kill_anon_super+0x4c/0x80 [ 61.798138][ T4310] btrfs_kill_super+0x40/0x58 [ 61.798899][ T4310] deactivate_locked_super+0xb8/0x13c [ 61.799691][ T4310] deactivate_super+0xf8/0x118 [ 61.800332][ T4310] cleanup_mnt+0x3a4/0x458 [ 61.800949][ T4310] __cleanup_mnt+0x20/0x30 [ 61.801553][ T4310] task_work_run+0x12c/0x1e0 [ 61.802155][ T4310] do_notify_resume+0x24b4/0x3128 [ 61.802885][ T4310] el0_svc+0xf0/0x1e0 [ 61.803416][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 61.804143][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 61.804781][ T4310] irq event stamp: 774792 [ 61.805357][ T4310] hardirqs last enabled at (774791): [] kasan_quarantine_put+0xc4/0x204 [ 61.806810][ T4310] hardirqs last disabled at (774792): [] el1_dbg+0x24/0x80 [ 61.808212][ T4310] softirqs last enabled at (770930): [] local_bh_enable+0x10/0x34 [ 61.809643][ T4310] softirqs last disabled at (770928): [] local_bh_disable+0x10/0x34 [ 61.811033][ T4310] ---[ end trace 1850ba0ce90a2099 ]--- [ 61.957465][ T5142] loop0: detected capacity change from 0 to 32768 [ 61.961189][ T5142] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5142) [ 61.964207][ T5142] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.965648][ T5142] BTRFS info (device loop0): setting nodatasum [ 61.966615][ T5142] BTRFS info (device loop0): enabling ssd optimizations [ 61.967935][ T5142] BTRFS info (device loop0): max_inline at 0 [ 61.968834][ T5142] BTRFS info (device loop0): using free space tree [ 61.970404][ T5142] BTRFS info (device loop0): has skinny extents [ 61.981873][ T5142] FAULT_INJECTION: forcing a failure. [ 61.981873][ T5142] name failslab, interval 1, probability 0, space 0, times 0 [ 61.983884][ T5142] CPU: 1 PID: 5142 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.985183][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 61.986608][ T5142] Call trace: [ 61.987091][ T5142] dump_backtrace+0x0/0x43c [ 61.987763][ T5142] show_stack+0x2c/0x3c [ 61.988345][ T5142] __dump_stack+0x30/0x40 [ 61.988992][ T5142] dump_stack_lvl+0xf8/0x160 [ 61.989663][ T5142] dump_stack+0x1c/0x5c [ 61.990296][ T5142] should_fail+0x3c0/0x51c [ 61.990974][ T5142] __should_failslab+0xbc/0x10c [ 61.991701][ T5142] should_failslab+0x10/0x28 [ 61.992360][ T5142] slab_pre_alloc_hook+0x64/0xec [ 61.993038][ T5142] kmem_cache_alloc+0x94/0x3e4 [ 61.993727][ T5142] btrfs_alloc_tree_block+0xa30/0x112c [ 61.994550][ T5142] btrfs_force_cow_block+0x3a8/0x1700 [ 61.995310][ T5142] btrfs_cow_block+0x2d8/0x66c [ 61.995992][ T5142] btrfs_search_slot+0xa10/0x1f4c [ 61.996775][ T5142] btrfs_insert_empty_items+0x1e0/0x2a8 [ 61.997576][ T5142] btrfs_insert_inode_ref+0x144/0x9e0 [ 61.998357][ T5142] btrfs_add_link+0x22c/0xa68 [ 61.999015][ T5142] btrfs_link+0x3ac/0x6a4 [ 61.999638][ T5142] vfs_link+0x5b4/0x744 [ 62.000206][ T5142] do_linkat+0x3dc/0x6f8 [ 62.000844][ T5142] __arm64_sys_linkat+0xe4/0x100 [ 62.001528][ T5142] invoke_syscall+0x98/0x2b8 [ 62.002183][ T5142] el0_svc_common+0x138/0x258 [ 62.002924][ T5142] do_el0_svc+0x58/0x14c [ 62.003574][ T5142] el0_svc+0x78/0x1e0 [ 62.004235][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 62.004958][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 62.009870][ T4510] Bluetooth: hci0: command 0x0419 tx timeout [ 62.048090][ T4310] ------------[ cut here ]------------ [ 62.048998][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.050843][ T4310] Modules linked in: [ 62.051468][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.052935][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.054472][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 62.055642][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.056616][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 62.057612][ T4310] sp : ffff80001f137740 [ 62.058223][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001aabc40c [ 62.059440][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 62.060678][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 62.061854][ T4310] x20: ffff0000d55e2060 x19: 0000000000000000 x18: 0000000000000000 [ 62.063041][ T4310] x17: ffff800016d27000 x16: ffff8000111ceed0 x15: ffff800008969740 [ 62.064250][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 62.065416][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 62.066568][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 62.067726][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 62.068925][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 62.070151][ T4310] Call trace: [ 62.070618][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.071586][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 62.072410][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 62.073262][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 62.074067][ T4310] close_ctree+0x608/0x84c [ 62.074688][ T4310] btrfs_put_super+0x40/0x50 [ 62.075320][ T4310] generic_shutdown_super+0x130/0x2f0 [ 62.076122][ T4310] kill_anon_super+0x4c/0x80 [ 62.076832][ T4310] btrfs_kill_super+0x40/0x58 [ 62.077476][ T4310] deactivate_locked_super+0xb8/0x13c [ 62.078251][ T4310] deactivate_super+0xf8/0x118 [ 62.078946][ T4310] cleanup_mnt+0x3a4/0x458 [ 62.079587][ T4310] __cleanup_mnt+0x20/0x30 [ 62.080201][ T4310] task_work_run+0x12c/0x1e0 [ 62.080815][ T4310] do_notify_resume+0x24b4/0x3128 [ 62.081516][ T4310] el0_svc+0xf0/0x1e0 [ 62.082071][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 62.082746][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 62.083386][ T4310] irq event stamp: 805002 [ 62.083960][ T4310] hardirqs last enabled at (805001): [] kasan_quarantine_put+0xc4/0x204 [ 62.085323][ T4310] hardirqs last disabled at (805002): [] el1_dbg+0x24/0x80 [ 62.086451][ T4310] softirqs last enabled at (800252): [] handle_softirqs+0xa4c/0xbf0 [ 62.087746][ T4310] softirqs last disabled at (800097): [] __irq_exit_rcu+0x240/0x440 [ 62.089268][ T4310] ---[ end trace 1850ba0ce90a209a ]--- [ 62.233781][ T5163] loop0: detected capacity change from 0 to 32768 [ 62.236474][ T5163] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5163) [ 62.246425][ T5163] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 62.247838][ T5163] BTRFS info (device loop0): setting nodatasum [ 62.248809][ T5163] BTRFS info (device loop0): enabling ssd optimizations [ 62.250936][ T5163] BTRFS info (device loop0): max_inline at 0 [ 62.251924][ T5163] BTRFS info (device loop0): using free space tree [ 62.253065][ T5163] BTRFS info (device loop0): has skinny extents [ 62.267831][ T5163] FAULT_INJECTION: forcing a failure. [ 62.267831][ T5163] name failslab, interval 1, probability 0, space 0, times 0 [ 62.270198][ T5163] CPU: 1 PID: 5163 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.271474][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.273018][ T5163] Call trace: [ 62.273484][ T5163] dump_backtrace+0x0/0x43c [ 62.274127][ T5163] show_stack+0x2c/0x3c [ 62.274702][ T5163] __dump_stack+0x30/0x40 [ 62.275306][ T5163] dump_stack_lvl+0xf8/0x160 [ 62.275940][ T5163] dump_stack+0x1c/0x5c [ 62.276500][ T5163] should_fail+0x3c0/0x51c [ 62.277101][ T5163] __should_failslab+0xbc/0x10c [ 62.277779][ T5163] should_failslab+0x10/0x28 [ 62.278425][ T5163] slab_pre_alloc_hook+0x64/0xec [ 62.279151][ T5163] kmem_cache_alloc+0x94/0x3e4 [ 62.279821][ T5163] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 62.280634][ T5163] btrfs_alloc_tree_block+0xb8c/0x112c [ 62.281394][ T5163] btrfs_force_cow_block+0x3a8/0x1700 [ 62.282119][ T5163] btrfs_cow_block+0x2d8/0x66c [ 62.282750][ T5163] btrfs_search_slot+0xa10/0x1f4c [ 62.283472][ T5163] btrfs_insert_empty_items+0x1e0/0x2a8 [ 62.284263][ T5163] btrfs_insert_inode_ref+0x144/0x9e0 [ 62.285032][ T5163] btrfs_add_link+0x22c/0xa68 [ 62.285746][ T5163] btrfs_link+0x3ac/0x6a4 [ 62.286357][ T5163] vfs_link+0x5b4/0x744 [ 62.286976][ T5163] do_linkat+0x3dc/0x6f8 [ 62.287542][ T5163] __arm64_sys_linkat+0xe4/0x100 [ 62.288255][ T5163] invoke_syscall+0x98/0x2b8 [ 62.288922][ T5163] el0_svc_common+0x138/0x258 [ 62.289575][ T5163] do_el0_svc+0x58/0x14c [ 62.290193][ T5163] el0_svc+0x78/0x1e0 [ 62.290743][ T5163] el0t_64_sync_handler+0xcc/0xe4 [ 62.291429][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 62.324718][ T4310] ------------[ cut here ]------------ [ 62.325544][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.327237][ T4310] Modules linked in: [ 62.327802][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.329198][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.330758][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 62.331991][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.333125][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 62.334176][ T4310] sp : ffff80001f137740 [ 62.334808][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001aecda0c [ 62.336013][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 62.337083][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 62.338246][ T4310] x20: ffff0000d766d060 x19: 0000000000000000 x18: 0000000000000000 [ 62.339359][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 62.340476][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 62.341814][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 62.343008][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 62.344160][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 62.345361][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 62.346573][ T4310] Call trace: [ 62.347044][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.347943][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 62.348767][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 62.349678][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 62.350467][ T4310] close_ctree+0x608/0x84c [ 62.351081][ T4310] btrfs_put_super+0x40/0x50 [ 62.351697][ T4310] generic_shutdown_super+0x130/0x2f0 [ 62.352465][ T4310] kill_anon_super+0x4c/0x80 [ 62.353134][ T4310] btrfs_kill_super+0x40/0x58 [ 62.353801][ T4310] deactivate_locked_super+0xb8/0x13c [ 62.354563][ T4310] deactivate_super+0xf8/0x118 [ 62.355275][ T4310] cleanup_mnt+0x3a4/0x458 [ 62.355859][ T4310] __cleanup_mnt+0x20/0x30 [ 62.356439][ T4310] task_work_run+0x12c/0x1e0 [ 62.357119][ T4310] do_notify_resume+0x24b4/0x3128 [ 62.357884][ T4310] el0_svc+0xf0/0x1e0 [ 62.358483][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 62.359172][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 62.359806][ T4310] irq event stamp: 834154 [ 62.360416][ T4310] hardirqs last enabled at (834153): [] kasan_quarantine_put+0xc4/0x204 [ 62.361834][ T4310] hardirqs last disabled at (834154): [] el1_dbg+0x24/0x80 [ 62.363196][ T4310] softirqs last enabled at (830276): [] local_bh_enable+0x10/0x34 [ 62.364589][ T4310] softirqs last disabled at (830274): [] local_bh_disable+0x10/0x34 [ 62.366108][ T4310] ---[ end trace 1850ba0ce90a209b ]--- [ 62.528805][ T5184] loop0: detected capacity change from 0 to 32768 [ 62.531849][ T5184] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5184) [ 62.540613][ T5184] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 62.542182][ T5184] BTRFS info (device loop0): setting nodatasum [ 62.543195][ T5184] BTRFS info (device loop0): enabling ssd optimizations [ 62.544302][ T5184] BTRFS info (device loop0): max_inline at 0 [ 62.545290][ T5184] BTRFS info (device loop0): using free space tree [ 62.546222][ T5184] BTRFS info (device loop0): has skinny extents [ 62.558888][ T5184] FAULT_INJECTION: forcing a failure. [ 62.558888][ T5184] name failslab, interval 1, probability 0, space 0, times 0 [ 62.561216][ T5184] CPU: 0 PID: 5184 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.562568][ T5184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.564015][ T5184] Call trace: [ 62.564479][ T5184] dump_backtrace+0x0/0x43c [ 62.565175][ T5184] show_stack+0x2c/0x3c [ 62.565776][ T5184] __dump_stack+0x30/0x40 [ 62.566387][ T5184] dump_stack_lvl+0xf8/0x160 [ 62.567124][ T5184] dump_stack+0x1c/0x5c [ 62.567745][ T5184] should_fail+0x3c0/0x51c [ 62.568400][ T5184] __should_failslab+0xbc/0x10c [ 62.569063][ T5184] should_failslab+0x10/0x28 [ 62.569747][ T5184] slab_pre_alloc_hook+0x64/0xec [ 62.570472][ T5184] kmem_cache_alloc+0x94/0x3e4 [ 62.571154][ T5184] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 62.572015][ T5184] btrfs_alloc_tree_block+0xb8c/0x112c [ 62.572737][ T5184] btrfs_force_cow_block+0x3a8/0x1700 [ 62.573526][ T5184] btrfs_cow_block+0x2d8/0x66c [ 62.574263][ T5184] btrfs_search_slot+0xa10/0x1f4c [ 62.574973][ T5184] btrfs_insert_empty_items+0x1e0/0x2a8 [ 62.575807][ T5184] btrfs_insert_inode_ref+0x144/0x9e0 [ 62.576637][ T5184] btrfs_add_link+0x22c/0xa68 [ 62.577373][ T5184] btrfs_link+0x3ac/0x6a4 [ 62.578015][ T5184] vfs_link+0x5b4/0x744 [ 62.578629][ T5184] do_linkat+0x3dc/0x6f8 [ 62.579247][ T5184] __arm64_sys_linkat+0xe4/0x100 [ 62.579965][ T5184] invoke_syscall+0x98/0x2b8 [ 62.580742][ T5184] el0_svc_common+0x138/0x258 [ 62.581477][ T5184] do_el0_svc+0x58/0x14c [ 62.582186][ T5184] el0_svc+0x78/0x1e0 [ 62.582855][ T5184] el0t_64_sync_handler+0xcc/0xe4 [ 62.583707][ T5184] el0t_64_sync+0x1a0/0x1a4 [ 62.627616][ T4310] ------------[ cut here ]------------ [ 62.628517][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.630291][ T4310] Modules linked in: [ 62.630831][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.632178][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.633539][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 62.634682][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.635660][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 62.636613][ T4310] sp : ffff80001f137740 [ 62.637195][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b92f30c [ 62.638523][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 62.639787][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 62.641056][ T4310] x20: ffff0000dc979860 x19: 0000000000000000 x18: 0000000000000000 [ 62.642222][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 62.643432][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 62.644589][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 62.645802][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 62.647064][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 62.648313][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 62.649457][ T4310] Call trace: [ 62.649921][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.650846][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 62.651612][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 62.652504][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 62.653271][ T4310] close_ctree+0x608/0x84c [ 62.653920][ T4310] btrfs_put_super+0x40/0x50 [ 62.654545][ T4310] generic_shutdown_super+0x130/0x2f0 [ 62.655310][ T4310] kill_anon_super+0x4c/0x80 [ 62.655955][ T4310] btrfs_kill_super+0x40/0x58 [ 62.656598][ T4310] deactivate_locked_super+0xb8/0x13c [ 62.657383][ T4310] deactivate_super+0xf8/0x118 [ 62.658118][ T4310] cleanup_mnt+0x3a4/0x458 [ 62.658756][ T4310] __cleanup_mnt+0x20/0x30 [ 62.659400][ T4310] task_work_run+0x12c/0x1e0 [ 62.660021][ T4310] do_notify_resume+0x24b4/0x3128 [ 62.660717][ T4310] el0_svc+0xf0/0x1e0 [ 62.661339][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 62.662059][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 62.662710][ T4310] irq event stamp: 864506 [ 62.663329][ T4310] hardirqs last enabled at (864505): [] kasan_quarantine_put+0xc4/0x204 [ 62.664752][ T4310] hardirqs last disabled at (864506): [] el1_dbg+0x24/0x80 [ 62.666058][ T4310] softirqs last enabled at (860234): [] local_bh_enable+0x10/0x34 [ 62.667320][ T4310] softirqs last disabled at (860232): [] local_bh_disable+0x10/0x34 [ 62.668590][ T4310] ---[ end trace 1850ba0ce90a209c ]--- [ 62.825021][ T5205] loop0: detected capacity change from 0 to 32768 [ 62.827637][ T5205] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5205) [ 62.831088][ T5205] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 62.833205][ T5205] BTRFS info (device loop0): setting nodatasum [ 62.834208][ T5205] BTRFS info (device loop0): enabling ssd optimizations [ 62.835362][ T5205] BTRFS info (device loop0): max_inline at 0 [ 62.836282][ T5205] BTRFS info (device loop0): using free space tree [ 62.837360][ T5205] BTRFS info (device loop0): has skinny extents [ 62.848949][ T5205] FAULT_INJECTION: forcing a failure. [ 62.848949][ T5205] name failslab, interval 1, probability 0, space 0, times 0 [ 62.851246][ T5205] CPU: 0 PID: 5205 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.852690][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.854144][ T5205] Call trace: [ 62.854605][ T5205] dump_backtrace+0x0/0x43c [ 62.855274][ T5205] show_stack+0x2c/0x3c [ 62.855844][ T5205] __dump_stack+0x30/0x40 [ 62.856498][ T5205] dump_stack_lvl+0xf8/0x160 [ 62.857178][ T5205] dump_stack+0x1c/0x5c [ 62.857814][ T5205] should_fail+0x3c0/0x51c [ 62.858415][ T5205] __should_failslab+0xbc/0x10c [ 62.859071][ T5205] should_failslab+0x10/0x28 [ 62.859746][ T5205] slab_pre_alloc_hook+0x64/0xec [ 62.860478][ T5205] kmem_cache_alloc+0x94/0x3e4 [ 62.861207][ T5205] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 62.862057][ T5205] btrfs_alloc_tree_block+0xb8c/0x112c [ 62.862824][ T5205] btrfs_force_cow_block+0x3a8/0x1700 [ 62.863555][ T5205] btrfs_cow_block+0x2d8/0x66c [ 62.864220][ T5205] btrfs_search_slot+0xa10/0x1f4c [ 62.864929][ T5205] btrfs_insert_empty_items+0x1e0/0x2a8 [ 62.865688][ T5205] btrfs_insert_inode_ref+0x144/0x9e0 [ 62.866462][ T5205] btrfs_add_link+0x22c/0xa68 [ 62.867125][ T5205] btrfs_link+0x3ac/0x6a4 [ 62.867760][ T5205] vfs_link+0x5b4/0x744 [ 62.868364][ T5205] do_linkat+0x3dc/0x6f8 [ 62.868983][ T5205] __arm64_sys_linkat+0xe4/0x100 [ 62.869703][ T5205] invoke_syscall+0x98/0x2b8 [ 62.870367][ T5205] el0_svc_common+0x138/0x258 [ 62.871030][ T5205] do_el0_svc+0x58/0x14c [ 62.871658][ T5205] el0_svc+0x78/0x1e0 [ 62.872196][ T5205] el0t_64_sync_handler+0xcc/0xe4 [ 62.872924][ T5205] el0t_64_sync+0x1a0/0x1a4 [ 62.907890][ T4310] ------------[ cut here ]------------ [ 62.908782][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.910567][ T4310] Modules linked in: [ 62.911193][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.912629][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 62.914165][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 62.915394][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.916465][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 62.917607][ T4310] sp : ffff80001f137740 [ 62.918252][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001ad4ee0c [ 62.919432][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 62.920612][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 62.921914][ T4310] x20: ffff0000d6a77060 x19: 0000000000000000 x18: 0000000000000000 [ 62.923133][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 62.924307][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 62.925450][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 62.926597][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 62.927850][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 62.929115][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 62.930357][ T4310] Call trace: [ 62.930834][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 62.931830][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 62.932620][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 62.933519][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 62.934334][ T4310] close_ctree+0x608/0x84c [ 62.934970][ T4310] btrfs_put_super+0x40/0x50 [ 62.935661][ T4310] generic_shutdown_super+0x130/0x2f0 [ 62.936431][ T4310] kill_anon_super+0x4c/0x80 [ 62.937100][ T4310] btrfs_kill_super+0x40/0x58 [ 62.937784][ T4310] deactivate_locked_super+0xb8/0x13c [ 62.938582][ T4310] deactivate_super+0xf8/0x118 [ 62.939325][ T4310] cleanup_mnt+0x3a4/0x458 [ 62.940000][ T4310] __cleanup_mnt+0x20/0x30 [ 62.940628][ T4310] task_work_run+0x12c/0x1e0 [ 62.941378][ T4310] do_notify_resume+0x24b4/0x3128 [ 62.942133][ T4310] el0_svc+0xf0/0x1e0 [ 62.942713][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 62.943383][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 62.944049][ T4310] irq event stamp: 894722 [ 62.944661][ T4310] hardirqs last enabled at (894721): [] kasan_quarantine_put+0xc4/0x204 [ 62.946153][ T4310] hardirqs last disabled at (894722): [] el1_dbg+0x24/0x80 [ 62.947443][ T4310] softirqs last enabled at (891046): [] handle_softirqs+0xa4c/0xbf0 [ 62.948869][ T4310] softirqs last disabled at (890811): [] __irq_exit_rcu+0x240/0x440 [ 62.950392][ T4310] ---[ end trace 1850ba0ce90a209d ]--- [ 63.096207][ T5226] loop0: detected capacity change from 0 to 32768 [ 63.101150][ T5226] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5226) [ 63.104699][ T5226] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 63.106146][ T5226] BTRFS info (device loop0): setting nodatasum [ 63.107126][ T5226] BTRFS info (device loop0): enabling ssd optimizations [ 63.108374][ T5226] BTRFS info (device loop0): max_inline at 0 [ 63.109794][ T5226] BTRFS info (device loop0): using free space tree [ 63.110741][ T5226] BTRFS info (device loop0): has skinny extents [ 63.126017][ T5226] FAULT_INJECTION: forcing a failure. [ 63.126017][ T5226] name failslab, interval 1, probability 0, space 0, times 0 [ 63.128151][ T5226] CPU: 0 PID: 5226 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.129509][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.131159][ T5226] Call trace: [ 63.131643][ T5226] dump_backtrace+0x0/0x43c [ 63.132343][ T5226] show_stack+0x2c/0x3c [ 63.132979][ T5226] __dump_stack+0x30/0x40 [ 63.133608][ T5226] dump_stack_lvl+0xf8/0x160 [ 63.134294][ T5226] dump_stack+0x1c/0x5c [ 63.134898][ T5226] should_fail+0x3c0/0x51c [ 63.135540][ T5226] __should_failslab+0xbc/0x10c [ 63.136289][ T5226] should_failslab+0x10/0x28 [ 63.136988][ T5226] slab_pre_alloc_hook+0x64/0xec [ 63.137723][ T5226] kmem_cache_alloc+0x94/0x3e4 [ 63.138359][ T5226] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 63.139184][ T5226] btrfs_alloc_tree_block+0xb8c/0x112c [ 63.140083][ T5226] btrfs_force_cow_block+0x3a8/0x1700 [ 63.140966][ T5226] btrfs_cow_block+0x2d8/0x66c [ 63.141740][ T5226] btrfs_search_slot+0xa10/0x1f4c [ 63.142544][ T5226] btrfs_insert_empty_items+0x1e0/0x2a8 [ 63.143410][ T5226] btrfs_insert_inode_ref+0x144/0x9e0 [ 63.144285][ T5226] btrfs_add_link+0x22c/0xa68 [ 63.145012][ T5226] btrfs_link+0x3ac/0x6a4 [ 63.145647][ T5226] vfs_link+0x5b4/0x744 [ 63.146275][ T5226] do_linkat+0x3dc/0x6f8 [ 63.146911][ T5226] __arm64_sys_linkat+0xe4/0x100 [ 63.147623][ T5226] invoke_syscall+0x98/0x2b8 [ 63.148280][ T5226] el0_svc_common+0x138/0x258 [ 63.148968][ T5226] do_el0_svc+0x58/0x14c [ 63.149609][ T5226] el0_svc+0x78/0x1e0 [ 63.150116][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 63.150858][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 63.184763][ T4310] ------------[ cut here ]------------ [ 63.185647][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.187342][ T4310] Modules linked in: [ 63.187915][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.189317][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.190828][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.191992][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.192953][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 63.194032][ T4310] sp : ffff80001f137740 [ 63.194616][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001ade820c [ 63.195851][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 63.197115][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 63.198331][ T4310] x20: ffff0000d6f41060 x19: 0000000000000000 x18: 0000000000000000 [ 63.199514][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 63.200702][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 63.201763][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 63.202953][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 63.204177][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 63.205300][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 63.206473][ T4310] Call trace: [ 63.206932][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.207927][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 63.208696][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 63.209602][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 63.210364][ T4310] close_ctree+0x608/0x84c [ 63.211012][ T4310] btrfs_put_super+0x40/0x50 [ 63.211670][ T4310] generic_shutdown_super+0x130/0x2f0 [ 63.212464][ T4310] kill_anon_super+0x4c/0x80 [ 63.213120][ T4310] btrfs_kill_super+0x40/0x58 [ 63.213775][ T4310] deactivate_locked_super+0xb8/0x13c [ 63.214581][ T4310] deactivate_super+0xf8/0x118 [ 63.215236][ T4310] cleanup_mnt+0x3a4/0x458 [ 63.215856][ T4310] __cleanup_mnt+0x20/0x30 [ 63.216536][ T4310] task_work_run+0x12c/0x1e0 [ 63.217230][ T4310] do_notify_resume+0x24b4/0x3128 [ 63.217950][ T4310] el0_svc+0xf0/0x1e0 [ 63.218499][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 63.219209][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 63.219844][ T4310] irq event stamp: 924062 [ 63.220483][ T4310] hardirqs last enabled at (924061): [] kasan_quarantine_put+0xc4/0x204 [ 63.221922][ T4310] hardirqs last disabled at (924062): [] el1_dbg+0x24/0x80 [ 63.223114][ T4310] softirqs last enabled at (921236): [] handle_softirqs+0xa4c/0xbf0 [ 63.224457][ T4310] softirqs last disabled at (921225): [] __irq_exit_rcu+0x240/0x440 [ 63.225820][ T4310] ---[ end trace 1850ba0ce90a209e ]--- [ 63.384847][ T5247] loop0: detected capacity change from 0 to 32768 [ 63.387450][ T5247] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5247) [ 63.390933][ T5247] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 63.392420][ T5247] BTRFS info (device loop0): setting nodatasum [ 63.393391][ T5247] BTRFS info (device loop0): enabling ssd optimizations [ 63.394634][ T5247] BTRFS info (device loop0): max_inline at 0 [ 63.395506][ T5247] BTRFS info (device loop0): using free space tree [ 63.396572][ T5247] BTRFS info (device loop0): has skinny extents [ 63.418518][ T5247] FAULT_INJECTION: forcing a failure. [ 63.418518][ T5247] name failslab, interval 1, probability 0, space 0, times 0 [ 63.421637][ T5247] CPU: 0 PID: 5247 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.423014][ T5247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.424443][ T5247] Call trace: [ 63.424971][ T5247] dump_backtrace+0x0/0x43c [ 63.425623][ T5247] show_stack+0x2c/0x3c [ 63.426288][ T5247] __dump_stack+0x30/0x40 [ 63.427006][ T5247] dump_stack_lvl+0xf8/0x160 [ 63.427732][ T5247] dump_stack+0x1c/0x5c [ 63.428336][ T5247] should_fail+0x3c0/0x51c [ 63.429037][ T5247] __should_failslab+0xbc/0x10c [ 63.429712][ T5247] should_failslab+0x10/0x28 [ 63.430396][ T5247] slab_pre_alloc_hook+0x64/0xec [ 63.431203][ T5247] kmem_cache_alloc+0x94/0x3e4 [ 63.431923][ T5247] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 63.432836][ T5247] btrfs_alloc_tree_block+0xb8c/0x112c [ 63.433673][ T5247] btrfs_force_cow_block+0x3a8/0x1700 [ 63.434504][ T5247] btrfs_cow_block+0x2d8/0x66c [ 63.435185][ T5247] btrfs_search_slot+0xa10/0x1f4c [ 63.435879][ T5247] btrfs_insert_empty_items+0x1e0/0x2a8 [ 63.436657][ T5247] btrfs_insert_inode_ref+0x144/0x9e0 [ 63.437424][ T5247] btrfs_add_link+0x22c/0xa68 [ 63.438100][ T5247] btrfs_link+0x3ac/0x6a4 [ 63.438748][ T5247] vfs_link+0x5b4/0x744 [ 63.439377][ T5247] do_linkat+0x3dc/0x6f8 [ 63.440021][ T5247] __arm64_sys_linkat+0xe4/0x100 [ 63.440734][ T5247] invoke_syscall+0x98/0x2b8 [ 63.441393][ T5247] el0_svc_common+0x138/0x258 [ 63.442070][ T5247] do_el0_svc+0x58/0x14c [ 63.442631][ T5247] el0_svc+0x78/0x1e0 [ 63.443178][ T5247] el0t_64_sync_handler+0xcc/0xe4 [ 63.443850][ T5247] el0t_64_sync+0x1a0/0x1a4 [ 63.478600][ T4310] ------------[ cut here ]------------ [ 63.479552][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.481407][ T4310] Modules linked in: [ 63.482052][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.483535][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.485128][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.486340][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.487475][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 63.488604][ T4310] sp : ffff80001f137740 [ 63.489259][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001ab4af0c [ 63.490481][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 63.491677][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 63.492977][ T4310] x20: ffff0000d5a57860 x19: 0000000000000000 x18: 0000000000000000 [ 63.494183][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 63.495431][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 63.496649][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 63.497923][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 63.499119][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 63.500303][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 63.501590][ T4310] Call trace: [ 63.502065][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.503056][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 63.503904][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 63.504785][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 63.505638][ T4310] close_ctree+0x608/0x84c [ 63.506311][ T4310] btrfs_put_super+0x40/0x50 [ 63.506958][ T4310] generic_shutdown_super+0x130/0x2f0 [ 63.507739][ T4310] kill_anon_super+0x4c/0x80 [ 63.508387][ T4310] btrfs_kill_super+0x40/0x58 [ 63.509034][ T4310] deactivate_locked_super+0xb8/0x13c [ 63.509786][ T4310] deactivate_super+0xf8/0x118 [ 63.510482][ T4310] cleanup_mnt+0x3a4/0x458 [ 63.511116][ T4310] __cleanup_mnt+0x20/0x30 [ 63.511735][ T4310] task_work_run+0x12c/0x1e0 [ 63.512364][ T4310] do_notify_resume+0x24b4/0x3128 [ 63.513074][ T4310] el0_svc+0xf0/0x1e0 [ 63.513645][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 63.514320][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 63.514922][ T4310] irq event stamp: 954538 [ 63.515527][ T4310] hardirqs last enabled at (954537): [] kasan_quarantine_put+0xc4/0x204 [ 63.517009][ T4310] hardirqs last disabled at (954538): [] el1_dbg+0x24/0x80 [ 63.518267][ T4310] softirqs last enabled at (950172): [] handle_softirqs+0xa4c/0xbf0 [ 63.519778][ T4310] softirqs last disabled at (950167): [] __irq_exit_rcu+0x240/0x440 [ 63.521164][ T4310] ---[ end trace 1850ba0ce90a209f ]--- [ 63.665039][ T5268] loop0: detected capacity change from 0 to 32768 [ 63.667686][ T5268] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5268) [ 63.671353][ T5268] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 63.673810][ T5268] BTRFS info (device loop0): setting nodatasum [ 63.674805][ T5268] BTRFS info (device loop0): enabling ssd optimizations [ 63.676056][ T5268] BTRFS info (device loop0): max_inline at 0 [ 63.677003][ T5268] BTRFS info (device loop0): using free space tree [ 63.678149][ T5268] BTRFS info (device loop0): has skinny extents [ 63.693703][ T5268] FAULT_INJECTION: forcing a failure. [ 63.693703][ T5268] name failslab, interval 1, probability 0, space 0, times 0 [ 63.695726][ T5268] CPU: 1 PID: 5268 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.697103][ T5268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.698663][ T5268] Call trace: [ 63.699142][ T5268] dump_backtrace+0x0/0x43c [ 63.699793][ T5268] show_stack+0x2c/0x3c [ 63.700375][ T5268] __dump_stack+0x30/0x40 [ 63.701022][ T5268] dump_stack_lvl+0xf8/0x160 [ 63.701746][ T5268] dump_stack+0x1c/0x5c [ 63.702344][ T5268] should_fail+0x3c0/0x51c [ 63.703025][ T5268] __should_failslab+0xbc/0x10c [ 63.703790][ T5268] should_failslab+0x10/0x28 [ 63.704510][ T5268] slab_pre_alloc_hook+0x64/0xec [ 63.705266][ T5268] kmem_cache_alloc+0x94/0x3e4 [ 63.706068][ T5268] btrfs_add_delayed_tree_ref+0x184/0xd4c [ 63.706898][ T5268] btrfs_alloc_tree_block+0xb8c/0x112c [ 63.707762][ T5268] btrfs_force_cow_block+0x3a8/0x1700 [ 63.708585][ T5268] btrfs_cow_block+0x2d8/0x66c [ 63.709311][ T5268] btrfs_search_slot+0xa10/0x1f4c [ 63.710114][ T5268] btrfs_insert_empty_items+0x1e0/0x2a8 [ 63.710944][ T5268] btrfs_insert_inode_ref+0x144/0x9e0 [ 63.711748][ T5268] btrfs_add_link+0x22c/0xa68 [ 63.712486][ T5268] btrfs_link+0x3ac/0x6a4 [ 63.713139][ T5268] vfs_link+0x5b4/0x744 [ 63.713785][ T5268] do_linkat+0x3dc/0x6f8 [ 63.714466][ T5268] __arm64_sys_linkat+0xe4/0x100 [ 63.715220][ T5268] invoke_syscall+0x98/0x2b8 [ 63.715961][ T5268] el0_svc_common+0x138/0x258 [ 63.716693][ T5268] do_el0_svc+0x58/0x14c [ 63.717340][ T5268] el0_svc+0x78/0x1e0 [ 63.717967][ T5268] el0t_64_sync_handler+0xcc/0xe4 [ 63.718767][ T5268] el0t_64_sync+0x1a0/0x1a4 [ 63.760158][ T4310] ------------[ cut here ]------------ [ 63.761014][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.762695][ T4310] Modules linked in: [ 63.763234][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.764514][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.765894][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.766955][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.767914][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 63.768895][ T4310] sp : ffff80001f137740 [ 63.769475][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001ad3320c [ 63.770573][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 63.771688][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 63.772838][ T4310] x20: ffff0000d6999060 x19: 0000000000000000 x18: 0000000000000000 [ 63.773973][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 63.775167][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 63.776274][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 63.777531][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 63.778776][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 63.779884][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 63.781009][ T4310] Call trace: [ 63.781456][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 63.782395][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 63.783140][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 63.783928][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 63.784666][ T4310] close_ctree+0x608/0x84c [ 63.785258][ T4310] btrfs_put_super+0x40/0x50 [ 63.785860][ T4310] generic_shutdown_super+0x130/0x2f0 [ 63.786592][ T4310] kill_anon_super+0x4c/0x80 [ 63.787210][ T4310] btrfs_kill_super+0x40/0x58 [ 63.787842][ T4310] deactivate_locked_super+0xb8/0x13c [ 63.788568][ T4310] deactivate_super+0xf8/0x118 [ 63.789192][ T4310] cleanup_mnt+0x3a4/0x458 [ 63.789794][ T4310] __cleanup_mnt+0x20/0x30 [ 63.790426][ T4310] task_work_run+0x12c/0x1e0 [ 63.791055][ T4310] do_notify_resume+0x24b4/0x3128 [ 63.791836][ T4310] el0_svc+0xf0/0x1e0 [ 63.792467][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 63.793213][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 63.793854][ T4310] irq event stamp: 984302 [ 63.794442][ T4310] hardirqs last enabled at (984301): [] kasan_quarantine_put+0xc4/0x204 [ 63.795866][ T4310] hardirqs last disabled at (984302): [] el1_dbg+0x24/0x80 [ 63.797127][ T4310] softirqs last enabled at (984130): [] handle_softirqs+0xa4c/0xbf0 [ 63.798704][ T4310] softirqs last disabled at (984121): [] __irq_exit_rcu+0x240/0x440 [ 63.800293][ T4310] ---[ end trace 1850ba0ce90a20a0 ]--- [ 63.963815][ T5289] loop0: detected capacity change from 0 to 32768 [ 63.967491][ T5289] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5289) [ 63.972651][ T5289] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 63.974240][ T5289] BTRFS info (device loop0): setting nodatasum [ 63.975191][ T5289] BTRFS info (device loop0): enabling ssd optimizations [ 63.976399][ T5289] BTRFS info (device loop0): max_inline at 0 [ 63.977299][ T5289] BTRFS info (device loop0): using free space tree [ 63.978464][ T5289] BTRFS info (device loop0): has skinny extents [ 63.991873][ T5289] FAULT_INJECTION: forcing a failure. [ 63.991873][ T5289] name failslab, interval 1, probability 0, space 0, times 0 [ 63.994089][ T5289] CPU: 1 PID: 5289 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.995510][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 63.996994][ T5289] Call trace: [ 63.997504][ T5289] dump_backtrace+0x0/0x43c [ 63.998172][ T5289] show_stack+0x2c/0x3c [ 63.998825][ T5289] __dump_stack+0x30/0x40 [ 63.999482][ T5289] dump_stack_lvl+0xf8/0x160 [ 64.000160][ T5289] dump_stack+0x1c/0x5c [ 64.000809][ T5289] should_fail+0x3c0/0x51c [ 64.001440][ T5289] __should_failslab+0xbc/0x10c [ 64.002149][ T5289] should_failslab+0x10/0x28 [ 64.002839][ T5289] slab_pre_alloc_hook+0x64/0xec [ 64.003559][ T5289] kmem_cache_alloc+0x94/0x3e4 [ 64.004309][ T5289] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 64.005129][ T5289] btrfs_alloc_tree_block+0xb8c/0x112c [ 64.005871][ T5289] btrfs_force_cow_block+0x3a8/0x1700 [ 64.006687][ T5289] btrfs_cow_block+0x2d8/0x66c [ 64.007355][ T5289] btrfs_search_slot+0xa10/0x1f4c [ 64.008110][ T5289] btrfs_insert_empty_items+0x1e0/0x2a8 [ 64.008931][ T5289] btrfs_insert_inode_ref+0x144/0x9e0 [ 64.009675][ T5289] btrfs_add_link+0x22c/0xa68 [ 64.010335][ T5289] btrfs_link+0x3ac/0x6a4 [ 64.010958][ T5289] vfs_link+0x5b4/0x744 [ 64.011519][ T5289] do_linkat+0x3dc/0x6f8 [ 64.012117][ T5289] __arm64_sys_linkat+0xe4/0x100 [ 64.012778][ T5289] invoke_syscall+0x98/0x2b8 [ 64.013435][ T5289] el0_svc_common+0x138/0x258 [ 64.014114][ T5289] do_el0_svc+0x58/0x14c [ 64.014790][ T5289] el0_svc+0x78/0x1e0 [ 64.015393][ T5289] el0t_64_sync_handler+0xcc/0xe4 [ 64.016160][ T5289] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:04 executed programs: 30 [ 64.049918][ T4310] ------------[ cut here ]------------ [ 64.050739][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.052425][ T4310] Modules linked in: [ 64.052981][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.054188][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.055550][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 64.056646][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.057533][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 64.058503][ T4310] sp : ffff80001f137740 [ 64.059109][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe00019c01d0c [ 64.060427][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 64.061698][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 64.062927][ T4310] x20: ffff0000ce00e860 x19: 0000000000000000 x18: 0000000000000000 [ 64.064165][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 64.065406][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 64.066701][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 64.067949][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 64.069175][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 64.070343][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 64.071552][ T4310] Call trace: [ 64.072047][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.072983][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 64.073757][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 64.074657][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 64.075476][ T4310] close_ctree+0x608/0x84c [ 64.076142][ T4310] btrfs_put_super+0x40/0x50 [ 64.076851][ T4310] generic_shutdown_super+0x130/0x2f0 [ 64.077616][ T4310] kill_anon_super+0x4c/0x80 [ 64.078292][ T4310] btrfs_kill_super+0x40/0x58 [ 64.078954][ T4310] deactivate_locked_super+0xb8/0x13c [ 64.079698][ T4310] deactivate_super+0xf8/0x118 [ 64.080344][ T4310] cleanup_mnt+0x3a4/0x458 [ 64.080938][ T4310] __cleanup_mnt+0x20/0x30 [ 64.081546][ T4310] task_work_run+0x12c/0x1e0 [ 64.082225][ T4310] do_notify_resume+0x24b4/0x3128 [ 64.082964][ T4310] el0_svc+0xf0/0x1e0 [ 64.083570][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 64.084409][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 64.085138][ T4310] irq event stamp: 1014070 [ 64.085815][ T4310] hardirqs last enabled at (1014069): [] kasan_quarantine_put+0xc4/0x204 [ 64.087362][ T4310] hardirqs last disabled at (1014070): [] el1_dbg+0x24/0x80 [ 64.088694][ T4310] softirqs last enabled at (1009914): [] local_bh_enable+0x10/0x34 [ 64.090244][ T4310] softirqs last disabled at (1009912): [] local_bh_disable+0x10/0x34 [ 64.091764][ T4310] ---[ end trace 1850ba0ce90a20a1 ]--- [ 64.247881][ T5310] loop0: detected capacity change from 0 to 32768 [ 64.252342][ T5310] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5310) [ 64.259165][ T5310] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 64.260495][ T5310] BTRFS info (device loop0): setting nodatasum [ 64.261381][ T5310] BTRFS info (device loop0): enabling ssd optimizations [ 64.262378][ T5310] BTRFS info (device loop0): max_inline at 0 [ 64.263223][ T5310] BTRFS info (device loop0): using free space tree [ 64.264206][ T5310] BTRFS info (device loop0): has skinny extents [ 64.276644][ T5310] FAULT_INJECTION: forcing a failure. [ 64.276644][ T5310] name failslab, interval 1, probability 0, space 0, times 0 [ 64.278938][ T5310] CPU: 1 PID: 5310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.280340][ T5310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.282004][ T5310] Call trace: [ 64.282525][ T5310] dump_backtrace+0x0/0x43c [ 64.283259][ T5310] show_stack+0x2c/0x3c [ 64.283900][ T5310] __dump_stack+0x30/0x40 [ 64.284599][ T5310] dump_stack_lvl+0xf8/0x160 [ 64.285313][ T5310] dump_stack+0x1c/0x5c [ 64.285944][ T5310] should_fail+0x3c0/0x51c [ 64.286604][ T5310] __should_failslab+0xbc/0x10c [ 64.287328][ T5310] should_failslab+0x10/0x28 [ 64.288080][ T5310] slab_pre_alloc_hook+0x64/0xec [ 64.288860][ T5310] kmem_cache_alloc+0x94/0x3e4 [ 64.289647][ T5310] btrfs_alloc_tree_block+0xa30/0x112c [ 64.290469][ T5310] btrfs_force_cow_block+0x3a8/0x1700 [ 64.291249][ T5310] btrfs_cow_block+0x2d8/0x66c [ 64.291944][ T5310] btrfs_search_slot+0xa10/0x1f4c [ 64.292680][ T5310] btrfs_insert_empty_items+0x1e0/0x2a8 [ 64.293464][ T5310] btrfs_insert_inode_ref+0x144/0x9e0 [ 64.294220][ T5310] btrfs_add_link+0x22c/0xa68 [ 64.294881][ T5310] btrfs_link+0x3ac/0x6a4 [ 64.295542][ T5310] vfs_link+0x5b4/0x744 [ 64.296238][ T5310] do_linkat+0x3dc/0x6f8 [ 64.296861][ T5310] __arm64_sys_linkat+0xe4/0x100 [ 64.297543][ T5310] invoke_syscall+0x98/0x2b8 [ 64.298236][ T5310] el0_svc_common+0x138/0x258 [ 64.298976][ T5310] do_el0_svc+0x58/0x14c [ 64.299651][ T5310] el0_svc+0x78/0x1e0 [ 64.300259][ T5310] el0t_64_sync_handler+0xcc/0xe4 [ 64.300963][ T5310] el0t_64_sync+0x1a0/0x1a4 [ 64.337117][ T4310] ------------[ cut here ]------------ [ 64.337988][ T4310] WARNING: CPU: 0 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.339614][ T4310] Modules linked in: [ 64.340187][ T4310] CPU: 0 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.341524][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.343013][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 64.344272][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.345317][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 64.346436][ T4310] sp : ffff80001f137740 [ 64.347045][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b15df0c [ 64.348210][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 [ 64.349378][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 64.350582][ T4310] x20: ffff0000d8aef860 x19: 0000000000000000 x18: 0000000000000000 [ 64.351744][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 64.352912][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 64.354125][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 64.355291][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 64.356533][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 64.357762][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 64.358993][ T4310] Call trace: [ 64.359489][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.360445][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 64.361252][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 64.362090][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 64.362896][ T4310] close_ctree+0x608/0x84c [ 64.363551][ T4310] btrfs_put_super+0x40/0x50 [ 64.364208][ T4310] generic_shutdown_super+0x130/0x2f0 [ 64.364993][ T4310] kill_anon_super+0x4c/0x80 [ 64.365601][ T4310] btrfs_kill_super+0x40/0x58 [ 64.366275][ T4310] deactivate_locked_super+0xb8/0x13c [ 64.366982][ T4310] deactivate_super+0xf8/0x118 [ 64.367637][ T4310] cleanup_mnt+0x3a4/0x458 [ 64.368234][ T4310] __cleanup_mnt+0x20/0x30 [ 64.368807][ T4310] task_work_run+0x12c/0x1e0 [ 64.369450][ T4310] do_notify_resume+0x24b4/0x3128 [ 64.370161][ T4310] el0_svc+0xf0/0x1e0 [ 64.370748][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 64.371483][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 64.372152][ T4310] irq event stamp: 1043354 [ 64.372793][ T4310] hardirqs last enabled at (1043353): [] kasan_quarantine_put+0xc4/0x204 [ 64.374388][ T4310] hardirqs last disabled at (1043354): [] el1_dbg+0x24/0x80 [ 64.375688][ T4310] softirqs last enabled at (1040362): [] handle_softirqs+0xa4c/0xbf0 [ 64.377111][ T4310] softirqs last disabled at (1040339): [] __irq_exit_rcu+0x240/0x440 [ 64.378519][ T4310] ---[ end trace 1850ba0ce90a20a2 ]--- [ 64.535488][ T5331] loop0: detected capacity change from 0 to 32768 [ 64.538129][ T5331] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5331) [ 64.541823][ T5331] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 64.543375][ T5331] BTRFS info (device loop0): setting nodatasum [ 64.544339][ T5331] BTRFS info (device loop0): enabling ssd optimizations [ 64.545623][ T5331] BTRFS info (device loop0): max_inline at 0 [ 64.546610][ T5331] BTRFS info (device loop0): using free space tree [ 64.547713][ T5331] BTRFS info (device loop0): has skinny extents [ 64.561518][ T5331] FAULT_INJECTION: forcing a failure. [ 64.561518][ T5331] name failslab, interval 1, probability 0, space 0, times 0 [ 64.563625][ T5331] CPU: 1 PID: 5331 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.565002][ T5331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.566444][ T5331] Call trace: [ 64.566886][ T5331] dump_backtrace+0x0/0x43c [ 64.567527][ T5331] show_stack+0x2c/0x3c [ 64.568103][ T5331] __dump_stack+0x30/0x40 [ 64.568716][ T5331] dump_stack_lvl+0xf8/0x160 [ 64.569331][ T5331] dump_stack+0x1c/0x5c [ 64.569934][ T5331] should_fail+0x3c0/0x51c [ 64.570523][ T5331] __should_failslab+0xbc/0x10c [ 64.571207][ T5331] should_failslab+0x10/0x28 [ 64.571912][ T5331] slab_pre_alloc_hook+0x64/0xec [ 64.572632][ T5331] kmem_cache_alloc+0x94/0x3e4 [ 64.573327][ T5331] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 64.574099][ T5331] btrfs_alloc_tree_block+0xb8c/0x112c [ 64.574894][ T5331] btrfs_force_cow_block+0x3a8/0x1700 [ 64.575653][ T5331] btrfs_cow_block+0x2d8/0x66c [ 64.576357][ T5331] btrfs_search_slot+0xa10/0x1f4c [ 64.577061][ T5331] btrfs_insert_empty_items+0x1e0/0x2a8 [ 64.577856][ T5331] btrfs_insert_inode_ref+0x144/0x9e0 [ 64.578605][ T5331] btrfs_add_link+0x22c/0xa68 [ 64.579248][ T5331] btrfs_link+0x3ac/0x6a4 [ 64.579818][ T5331] vfs_link+0x5b4/0x744 [ 64.580395][ T5331] do_linkat+0x3dc/0x6f8 [ 64.581008][ T5331] __arm64_sys_linkat+0xe4/0x100 [ 64.581761][ T5331] invoke_syscall+0x98/0x2b8 [ 64.582403][ T5331] el0_svc_common+0x138/0x258 [ 64.583094][ T5331] do_el0_svc+0x58/0x14c [ 64.583748][ T5331] el0_svc+0x78/0x1e0 [ 64.584301][ T5331] el0t_64_sync_handler+0xcc/0xe4 [ 64.585017][ T5331] el0t_64_sync+0x1a0/0x1a4 [ 64.618632][ T4310] ------------[ cut here ]------------ [ 64.619604][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.621394][ T4310] Modules linked in: [ 64.621990][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.623371][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.624999][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 64.626187][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.627277][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 64.628294][ T4310] sp : ffff80001f137740 [ 64.628846][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b16180c [ 64.630082][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 64.631247][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 64.632378][ T4310] x20: ffff0000d8b0c060 x19: 0000000000000000 x18: 0000000000000000 [ 64.633611][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 64.634765][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 64.635863][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 64.637014][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 64.638255][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 64.639423][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 64.640669][ T4310] Call trace: [ 64.641140][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.642080][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 64.642823][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 64.643686][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 64.644490][ T4310] close_ctree+0x608/0x84c [ 64.645163][ T4310] btrfs_put_super+0x40/0x50 [ 64.645930][ T4310] generic_shutdown_super+0x130/0x2f0 [ 64.646782][ T4310] kill_anon_super+0x4c/0x80 [ 64.647542][ T4310] btrfs_kill_super+0x40/0x58 [ 64.648251][ T4310] deactivate_locked_super+0xb8/0x13c [ 64.649026][ T4310] deactivate_super+0xf8/0x118 [ 64.649796][ T4310] cleanup_mnt+0x3a4/0x458 [ 64.650457][ T4310] __cleanup_mnt+0x20/0x30 [ 64.651153][ T4310] task_work_run+0x12c/0x1e0 [ 64.651831][ T4310] do_notify_resume+0x24b4/0x3128 [ 64.652630][ T4310] el0_svc+0xf0/0x1e0 [ 64.653208][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 64.653940][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 64.654659][ T4310] irq event stamp: 1072340 [ 64.655313][ T4310] hardirqs last enabled at (1072339): [] kasan_quarantine_put+0xc4/0x204 [ 64.656761][ T4310] hardirqs last disabled at (1072340): [] el1_dbg+0x24/0x80 [ 64.658017][ T4310] softirqs last enabled at (1068508): [] handle_softirqs+0xa4c/0xbf0 [ 64.659525][ T4310] softirqs last disabled at (1068401): [] __irq_exit_rcu+0x240/0x440 [ 64.660914][ T4310] ---[ end trace 1850ba0ce90a20a3 ]--- [ 64.836266][ T5352] loop0: detected capacity change from 0 to 32768 [ 64.838767][ T5352] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5352) [ 64.842520][ T5352] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 64.844049][ T5352] BTRFS info (device loop0): setting nodatasum [ 64.845013][ T5352] BTRFS info (device loop0): enabling ssd optimizations [ 64.846210][ T5352] BTRFS info (device loop0): max_inline at 0 [ 64.867767][ T5352] FAULT_INJECTION: forcing a failure. [ 64.867767][ T5352] name failslab, interval 1, probability 0, space 0, times 0 [ 64.870066][ T5352] CPU: 0 PID: 5352 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.871413][ T5352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.872912][ T5352] Call trace: [ 64.873485][ T5352] dump_backtrace+0x0/0x43c [ 64.874238][ T5352] show_stack+0x2c/0x3c [ 64.874922][ T5352] __dump_stack+0x30/0x40 [ 64.875622][ T5352] dump_stack_lvl+0xf8/0x160 [ 64.876392][ T5352] dump_stack+0x1c/0x5c [ 64.877047][ T5352] should_fail+0x3c0/0x51c [ 64.877736][ T5352] __should_failslab+0xbc/0x10c [ 64.878489][ T5352] should_failslab+0x10/0x28 [ 64.879218][ T5352] slab_pre_alloc_hook+0x64/0xec [ 64.879938][ T5352] kmem_cache_alloc+0x94/0x3e4 [ 64.880706][ T5352] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 64.881585][ T5352] btrfs_alloc_tree_block+0xb8c/0x112c [ 64.882424][ T5352] btrfs_force_cow_block+0x3a8/0x1700 [ 64.883291][ T5352] btrfs_cow_block+0x2d8/0x66c [ 64.884017][ T5352] btrfs_search_slot+0xa10/0x1f4c [ 64.884791][ T5352] btrfs_insert_empty_items+0x1e0/0x2a8 [ 64.885676][ T5352] btrfs_insert_inode_ref+0x144/0x9e0 [ 64.886458][ T5352] btrfs_add_link+0x22c/0xa68 [ 64.887202][ T5352] btrfs_link+0x3ac/0x6a4 [ 64.887888][ T5352] vfs_link+0x5b4/0x744 [ 64.888563][ T5352] do_linkat+0x3dc/0x6f8 [ 64.889233][ T5352] __arm64_sys_linkat+0xe4/0x100 [ 64.890035][ T5352] invoke_syscall+0x98/0x2b8 [ 64.890715][ T5352] el0_svc_common+0x138/0x258 [ 64.891403][ T5352] do_el0_svc+0x58/0x14c [ 64.892082][ T5352] el0_svc+0x78/0x1e0 [ 64.892725][ T5352] el0t_64_sync_handler+0xcc/0xe4 [ 64.893525][ T5352] el0t_64_sync+0x1a0/0x1a4 [ 64.926857][ T4310] ------------[ cut here ]------------ [ 64.927673][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.929472][ T4310] Modules linked in: [ 64.930061][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.931455][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.932982][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 64.934194][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.935206][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 64.936196][ T4310] sp : ffff80001f137740 [ 64.936766][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001b3c450c [ 64.937893][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 64.939110][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 64.940302][ T4310] x20: ffff0000d9e22860 x19: 0000000000000000 x18: 0000000000000000 [ 64.941429][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 64.942569][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 64.943694][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 64.944870][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 64.946001][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 64.947152][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 64.948290][ T4310] Call trace: [ 64.948760][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 64.949675][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 64.950440][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 64.951314][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 64.952124][ T4310] close_ctree+0x608/0x84c [ 64.952778][ T4310] btrfs_put_super+0x40/0x50 [ 64.953464][ T4310] generic_shutdown_super+0x130/0x2f0 [ 64.954226][ T4310] kill_anon_super+0x4c/0x80 [ 64.954884][ T4310] btrfs_kill_super+0x40/0x58 [ 64.955519][ T4310] deactivate_locked_super+0xb8/0x13c [ 64.956332][ T4310] deactivate_super+0xf8/0x118 [ 64.956996][ T4310] cleanup_mnt+0x3a4/0x458 [ 64.957655][ T4310] __cleanup_mnt+0x20/0x30 [ 64.958268][ T4310] task_work_run+0x12c/0x1e0 [ 64.958916][ T4310] do_notify_resume+0x24b4/0x3128 [ 64.959576][ T4310] el0_svc+0xf0/0x1e0 [ 64.960158][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 64.960884][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 64.961549][ T4310] irq event stamp: 1102970 [ 64.962197][ T4310] hardirqs last enabled at (1102969): [] kasan_quarantine_put+0xc4/0x204 [ 64.963651][ T4310] hardirqs last disabled at (1102970): [] el1_dbg+0x24/0x80 [ 64.964980][ T4310] softirqs last enabled at (1099040): [] local_bh_enable+0x10/0x34 [ 64.966420][ T4310] softirqs last disabled at (1099038): [] local_bh_disable+0x10/0x34 [ 64.967914][ T4310] ---[ end trace 1850ba0ce90a20a4 ]--- [ 65.116068][ T5373] loop0: detected capacity change from 0 to 32768 [ 65.118656][ T5373] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5373) [ 65.134895][ T5373] FAULT_INJECTION: forcing a failure. [ 65.134895][ T5373] name failslab, interval 1, probability 0, space 0, times 0 [ 65.136956][ T5373] CPU: 0 PID: 5373 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 65.138450][ T5373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.140001][ T5373] Call trace: [ 65.140468][ T5373] dump_backtrace+0x0/0x43c [ 65.141099][ T5373] show_stack+0x2c/0x3c [ 65.141672][ T5373] __dump_stack+0x30/0x40 [ 65.142302][ T5373] dump_stack_lvl+0xf8/0x160 [ 65.143014][ T5373] dump_stack+0x1c/0x5c [ 65.143608][ T5373] should_fail+0x3c0/0x51c [ 65.144230][ T5373] __should_failslab+0xbc/0x10c [ 65.144897][ T5373] should_failslab+0x10/0x28 [ 65.145599][ T5373] slab_pre_alloc_hook+0x64/0xec [ 65.146277][ T5373] kmem_cache_alloc+0x94/0x3e4 [ 65.147016][ T5373] btrfs_add_delayed_tree_ref+0x1a0/0xd4c [ 65.147881][ T5373] btrfs_alloc_tree_block+0xb8c/0x112c [ 65.148677][ T5373] btrfs_force_cow_block+0x3a8/0x1700 [ 65.149469][ T5373] btrfs_cow_block+0x2d8/0x66c [ 65.150191][ T5373] btrfs_search_slot+0xa10/0x1f4c [ 65.150921][ T5373] btrfs_insert_empty_items+0x1e0/0x2a8 [ 65.151804][ T5373] btrfs_insert_inode_ref+0x144/0x9e0 [ 65.152504][ T5373] btrfs_add_link+0x22c/0xa68 [ 65.153222][ T5373] btrfs_link+0x3ac/0x6a4 [ 65.153926][ T5373] vfs_link+0x5b4/0x744 [ 65.154623][ T5373] do_linkat+0x3dc/0x6f8 [ 65.155298][ T5373] __arm64_sys_linkat+0xe4/0x100 [ 65.156066][ T5373] invoke_syscall+0x98/0x2b8 [ 65.156796][ T5373] el0_svc_common+0x138/0x258 [ 65.157603][ T5373] do_el0_svc+0x58/0x14c [ 65.158310][ T5373] el0_svc+0x78/0x1e0 [ 65.158935][ T5373] el0t_64_sync_handler+0xcc/0xe4 [ 65.159705][ T5373] el0t_64_sync+0x1a0/0x1a4 [ 65.196660][ T4310] ------------[ cut here ]------------ [ 65.197524][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 65.199372][ T4310] Modules linked in: [ 65.199984][ T4310] CPU: 1 PID: 4310 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 65.201337][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.202848][ T4310] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.203933][ T4310] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 65.204915][ T4310] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 65.205888][ T4310] sp : ffff80001f137740 [ 65.206450][ T4310] x29: ffff80001f137750 x28: dfff800000000000 x27: 1fffe0001856f30c [ 65.207664][ T4310] x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 [ 65.208865][ T4310] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 65.210063][ T4310] x20: ffff0000c2b79860 x19: 0000000000000000 x18: 0000000000000000 [ 65.211285][ T4310] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000003 [ 65.212482][ T4310] x14: 00000000111cacf0 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 65.213697][ T4310] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02c418 [ 65.214877][ T4310] x8 : ffff0000cd5f0000 x7 : ffff80000a02b6fc x6 : 0000000000000000 [ 65.216067][ T4310] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60c8 [ 65.217241][ T4310] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 65.218407][ T4310] Call trace: [ 65.218895][ T4310] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 65.219861][ T4310] btrfs_block_rsv_release+0x408/0x4e4 [ 65.220618][ T4310] btrfs_release_global_block_rsv+0x38/0x22c [ 65.221494][ T4310] btrfs_free_block_groups+0x7b4/0xb44 [ 65.222288][ T4310] close_ctree+0x608/0x84c [ 65.222951][ T4310] btrfs_put_super+0x40/0x50 [ 65.223603][ T4310] generic_shutdown_super+0x130/0x2f0 [ 65.224461][ T4310] kill_anon_super+0x4c/0x80 [ 65.225135][ T4310] btrfs_kill_super+0x40/0x58 [ 65.225807][ T4310] deactivate_locked_super+0xb8/0x13c [ 65.226627][ T4310] deactivate_super+0xf8/0x118 [ 65.227293][ T4310] cleanup_mnt+0x3a4/0x458 [ 65.227862][ T4310] __cleanup_mnt+0x20/0x30 [ 65.228505][ T4310] task_work_run+0x12c/0x1e0 [ 65.229151][ T4310] do_notify_resume+0x24b4/0x3128 [ 65.229917][ T4310] el0_svc+0xf0/0x1e0 [ 65.230500][ T4310] el0t_64_sync_handler+0xcc/0xe4 [ 65.231258][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 65.231954][ T4310] irq event stamp: 1132402 [ 65.232573][ T4310] hardirqs last enabled at (1132401): [] kasan_quarantine_put+0xc4/0x204 [ 65.234029][ T4310] hardirqs last disabled at (1132402): [] el1_dbg+0x24/0x80 [ 65.235488][ T4310] softirqs last enabled at (1131500): [] handle_softirqs+0xa4c/0xbf0 [ 65.237083][ T4310] softirqs last disabled at (1131483): [] __irq_exit_rcu+0x240/0x440 [ 65.238755][ T4310] ---[ end trace 1850ba0ce90a20a5 ]---