Warning: Permanently added '10.128.1.245' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 ignoring optional flag "type"="gce" 1970/01/01 00:00:49 parsed 1 programs [ 49.422836][ T4317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:49 executed programs: 0 [ 49.506376][ T4325] chnl_net:caif_netlink_parms(): no params data found [ 49.526352][ T4325] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.527637][ T4325] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.529230][ T4325] device bridge_slave_0 entered promiscuous mode [ 49.531740][ T4325] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.532932][ T4325] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.534425][ T4325] device bridge_slave_1 entered promiscuous mode [ 49.543768][ T4325] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.546376][ T4325] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.554474][ T4325] team0: Port device team_slave_0 added [ 49.556350][ T4325] team0: Port device team_slave_1 added [ 49.564284][ T4325] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.565338][ T4325] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.569458][ T4325] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.571833][ T4325] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.572916][ T4325] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.577062][ T4325] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.641855][ T4325] device hsr_slave_0 entered promiscuous mode [ 49.681135][ T4325] device hsr_slave_1 entered promiscuous mode [ 50.260564][ T4325] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.292509][ T4325] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.352685][ T4325] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.402112][ T4325] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.449906][ T4325] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.451263][ T4325] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.452590][ T4325] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.453610][ T4325] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.475738][ T4325] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.480035][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.482749][ T359] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.484198][ T359] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.485971][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.490265][ T4325] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.496932][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.498430][ T359] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.499552][ T359] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.503999][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.505686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.507148][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.508289][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.510123][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.518674][ T4325] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.520302][ T4325] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.523215][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.524872][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.526704][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.528451][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.530201][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.532769][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.534309][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.535814][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.537208][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.540785][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.543058][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.584728][ T4325] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.595505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.596723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.597934][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.600324][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.607324][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.608919][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.610715][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.612355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.615883][ T4325] device veth0_vlan entered promiscuous mode [ 50.619997][ T4325] device veth1_vlan entered promiscuous mode [ 50.628588][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.630098][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.634070][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.635693][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.638713][ T4325] device veth0_macvtap entered promiscuous mode [ 50.641436][ T4325] device veth1_macvtap entered promiscuous mode [ 50.647086][ T4325] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.648332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.649783][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.653102][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.654605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.657951][ T4325] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.659957][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.661647][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.664608][ T4325] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.665962][ T4325] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.667331][ T4325] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.668811][ T4325] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.798857][ T4461] loop0: detected capacity change from 0 to 32768 [ 50.804892][ T4461] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4461) [ 50.815777][ T4461] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.817556][ T4461] BTRFS info (device loop0): using free space tree [ 50.818678][ T4461] BTRFS info (device loop0): has skinny extents [ 50.889268][ T4461] BTRFS info (device loop0): enabling ssd optimizations [ 50.926103][ T4461] FAULT_INJECTION: forcing a failure. [ 50.926103][ T4461] name failslab, interval 1, probability 0, space 0, times 1 [ 50.928299][ T4461] CPU: 0 PID: 4461 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.929412][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.930891][ T4461] Call trace: [ 50.931414][ T4461] dump_backtrace+0x0/0x43c [ 50.932123][ T4461] show_stack+0x2c/0x3c [ 50.932748][ T4461] __dump_stack+0x30/0x40 [ 50.933400][ T4461] dump_stack_lvl+0xf8/0x160 [ 50.934116][ T4461] dump_stack+0x1c/0x5c [ 50.934719][ T4461] should_fail+0x3c0/0x51c [ 50.935459][ T4461] __should_failslab+0xbc/0x10c [ 50.936262][ T4461] should_failslab+0x10/0x28 [ 50.937047][ T4461] slab_pre_alloc_hook+0x64/0xec [ 50.937842][ T4461] kmem_cache_alloc+0x94/0x3e4 [ 50.938540][ T4461] btrfs_alloc_path+0x5c/0x68 [ 50.939244][ T4461] btrfs_insert_inode_ref+0xe8/0x9e0 [ 50.940103][ T4461] btrfs_rename2+0x1998/0x30c0 [ 50.940848][ T4461] vfs_rename+0x954/0xdcc [ 50.941530][ T4461] do_renameat2+0x74c/0xcdc [ 50.942284][ T4461] __arm64_sys_renameat2+0xe0/0xfc [ 50.943025][ T4461] invoke_syscall+0x98/0x2b8 [ 50.943733][ T4461] el0_svc_common+0x138/0x258 [ 50.944450][ T4461] do_el0_svc+0x58/0x14c [ 50.945143][ T4461] el0_svc+0x78/0x1e0 [ 50.945782][ T4461] el0t_64_sync_handler+0xcc/0xe4 [ 50.946585][ T4461] el0t_64_sync+0x1a0/0x1a4 [ 51.234934][ T4546] loop0: detected capacity change from 0 to 32768 [ 51.243185][ T4546] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4546) [ 51.252853][ T4546] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.254547][ T4546] BTRFS info (device loop0): using free space tree [ 51.255673][ T4546] BTRFS info (device loop0): has skinny extents [ 51.318182][ T4546] BTRFS info (device loop0): enabling ssd optimizations [ 51.333047][ T4546] FAULT_INJECTION: forcing a failure. [ 51.333047][ T4546] name failslab, interval 1, probability 0, space 0, times 0 [ 51.335077][ T4546] CPU: 0 PID: 4546 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.336228][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.337750][ T4546] Call trace: [ 51.338230][ T4546] dump_backtrace+0x0/0x43c [ 51.338899][ T4546] show_stack+0x2c/0x3c [ 51.339493][ T4546] __dump_stack+0x30/0x40 [ 51.340155][ T4546] dump_stack_lvl+0xf8/0x160 [ 51.340836][ T4546] dump_stack+0x1c/0x5c [ 51.341462][ T4546] should_fail+0x3c0/0x51c [ 51.342127][ T4546] __should_failslab+0xbc/0x10c [ 51.342843][ T4546] should_failslab+0x10/0x28 [ 51.343596][ T4546] slab_pre_alloc_hook+0x64/0xec [ 51.344405][ T4546] kmem_cache_alloc+0x94/0x3e4 [ 51.345184][ T4546] btrfs_alloc_path+0x5c/0x68 [ 51.345873][ T4546] btrfs_insert_inode_ref+0xe8/0x9e0 [ 51.346659][ T4546] btrfs_rename2+0x1998/0x30c0 [ 51.347397][ T4546] vfs_rename+0x954/0xdcc [ 51.348076][ T4546] do_renameat2+0x74c/0xcdc [ 51.348746][ T4546] __arm64_sys_renameat2+0xe0/0xfc [ 51.349505][ T4546] invoke_syscall+0x98/0x2b8 [ 51.350280][ T4546] el0_svc_common+0x138/0x258 [ 51.351036][ T4546] do_el0_svc+0x58/0x14c [ 51.351712][ T4546] el0_svc+0x78/0x1e0 [ 51.352342][ T4546] el0t_64_sync_handler+0xcc/0xe4 [ 51.353191][ T4546] el0t_64_sync+0x1a0/0x1a4 [ 51.461528][ T4530] Bluetooth: hci0: command 0x0409 tx timeout [ 51.525195][ T4596] loop0: detected capacity change from 0 to 32768 [ 51.528799][ T4596] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4596) [ 51.532842][ T4596] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.534520][ T4596] BTRFS info (device loop0): using free space tree [ 51.535650][ T4596] BTRFS info (device loop0): has skinny extents [ 51.572466][ T4596] BTRFS info (device loop0): enabling ssd optimizations [ 51.585503][ T4596] FAULT_INJECTION: forcing a failure. [ 51.585503][ T4596] name failslab, interval 1, probability 0, space 0, times 0 [ 51.587406][ T4596] CPU: 0 PID: 4596 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.588573][ T4596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.590188][ T4596] Call trace: [ 51.590693][ T4596] dump_backtrace+0x0/0x43c [ 51.591409][ T4596] show_stack+0x2c/0x3c [ 51.592120][ T4596] __dump_stack+0x30/0x40 [ 51.592812][ T4596] dump_stack_lvl+0xf8/0x160 [ 51.593588][ T4596] dump_stack+0x1c/0x5c [ 51.594257][ T4596] should_fail+0x3c0/0x51c [ 51.594914][ T4596] __should_failslab+0xbc/0x10c [ 51.595716][ T4596] should_failslab+0x10/0x28 [ 51.596481][ T4596] slab_pre_alloc_hook+0x64/0xec [ 51.597342][ T4596] kmem_cache_alloc+0x94/0x3e4 [ 51.598058][ T4596] btrfs_alloc_path+0x5c/0x68 [ 51.598744][ T4596] btrfs_insert_inode_ref+0xe8/0x9e0 [ 51.599622][ T4596] btrfs_rename2+0x1998/0x30c0 [ 51.600392][ T4596] vfs_rename+0x954/0xdcc [ 51.601029][ T4596] do_renameat2+0x74c/0xcdc [ 51.601664][ T4596] __arm64_sys_renameat2+0xe0/0xfc [ 51.602416][ T4596] invoke_syscall+0x98/0x2b8 [ 51.603186][ T4596] el0_svc_common+0x138/0x258 [ 51.603913][ T4596] do_el0_svc+0x58/0x14c [ 51.604575][ T4596] el0_svc+0x78/0x1e0 [ 51.605166][ T4596] el0t_64_sync_handler+0xcc/0xe4 [ 51.605901][ T4596] el0t_64_sync+0x1a0/0x1a4 [ 51.799524][ T4637] loop0: detected capacity change from 0 to 32768 [ 51.804706][ T4637] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4637) [ 51.809947][ T4637] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.812888][ T4637] BTRFS info (device loop0): using free space tree [ 51.814125][ T4637] BTRFS info (device loop0): has skinny extents [ 51.824961][ T4637] BTRFS info (device loop0): enabling ssd optimizations [ 51.835340][ T4637] FAULT_INJECTION: forcing a failure. [ 51.835340][ T4637] name failslab, interval 1, probability 0, space 0, times 0 [ 51.837466][ T4637] CPU: 0 PID: 4637 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.838679][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.840369][ T4637] Call trace: [ 51.840844][ T4637] dump_backtrace+0x0/0x43c [ 51.841558][ T4637] show_stack+0x2c/0x3c [ 51.842188][ T4637] __dump_stack+0x30/0x40 [ 51.842800][ T4637] dump_stack_lvl+0xf8/0x160 [ 51.843441][ T4637] dump_stack+0x1c/0x5c [ 51.844135][ T4637] should_fail+0x3c0/0x51c [ 51.844838][ T4637] __should_failslab+0xbc/0x10c [ 51.845618][ T4637] should_failslab+0x10/0x28 [ 51.846444][ T4637] slab_pre_alloc_hook+0x64/0xec [ 51.847295][ T4637] kmem_cache_alloc+0x94/0x3e4 [ 51.848087][ T4637] btrfs_alloc_path+0x5c/0x68 [ 51.848837][ T4637] btrfs_insert_inode_ref+0xe8/0x9e0 [ 51.849627][ T4637] btrfs_rename2+0x1998/0x30c0 [ 51.850419][ T4637] vfs_rename+0x954/0xdcc [ 51.851126][ T4637] do_renameat2+0x74c/0xcdc [ 51.851774][ T4637] __arm64_sys_renameat2+0xe0/0xfc [ 51.852555][ T4637] invoke_syscall+0x98/0x2b8 [ 51.853257][ T4637] el0_svc_common+0x138/0x258 [ 51.854037][ T4637] do_el0_svc+0x58/0x14c [ 51.854694][ T4637] el0_svc+0x78/0x1e0 [ 51.855302][ T4637] el0t_64_sync_handler+0xcc/0xe4 [ 51.856065][ T4637] el0t_64_sync+0x1a0/0x1a4 [ 52.019183][ T4690] loop0: detected capacity change from 0 to 32768 [ 52.024003][ T4690] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4690) [ 52.033315][ T4690] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.035657][ T4690] BTRFS info (device loop0): using free space tree [ 52.036707][ T4690] BTRFS info (device loop0): has skinny extents [ 52.100071][ T4690] BTRFS info (device loop0): enabling ssd optimizations [ 52.105796][ T4690] FAULT_INJECTION: forcing a failure. [ 52.105796][ T4690] name failslab, interval 1, probability 0, space 0, times 0 [ 52.107823][ T4690] CPU: 1 PID: 4690 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.109008][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.110643][ T4690] Call trace: [ 52.111144][ T4690] dump_backtrace+0x0/0x43c [ 52.111864][ T4690] show_stack+0x2c/0x3c [ 52.112537][ T4690] __dump_stack+0x30/0x40 [ 52.113205][ T4690] dump_stack_lvl+0xf8/0x160 [ 52.113977][ T4690] dump_stack+0x1c/0x5c [ 52.114621][ T4690] should_fail+0x3c0/0x51c [ 52.115341][ T4690] __should_failslab+0xbc/0x10c [ 52.116133][ T4690] should_failslab+0x10/0x28 [ 52.116863][ T4690] slab_pre_alloc_hook+0x64/0xec [ 52.117632][ T4690] kmem_cache_alloc+0x94/0x3e4 [ 52.118385][ T4690] btrfs_alloc_path+0x5c/0x68 [ 52.119111][ T4690] btrfs_check_dir_item_collision+0x90/0x2d0 [ 52.120032][ T4690] btrfs_rename2+0x14cc/0x30c0 [ 52.120778][ T4690] vfs_rename+0x954/0xdcc [ 52.121424][ T4690] do_renameat2+0x74c/0xcdc [ 52.122103][ T4690] __arm64_sys_renameat2+0xe0/0xfc [ 52.122909][ T4690] invoke_syscall+0x98/0x2b8 [ 52.123640][ T4690] el0_svc_common+0x138/0x258 [ 52.124361][ T4690] do_el0_svc+0x58/0x14c [ 52.125014][ T4690] el0_svc+0x78/0x1e0 [ 52.125640][ T4690] el0t_64_sync_handler+0xcc/0xe4 [ 52.126382][ T4690] el0t_64_sync+0x1a0/0x1a4 [ 52.217709][ T4367] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 10 /dev/loop0 scanned by udevd (4367) [ 52.399761][ T4736] loop0: detected capacity change from 0 to 32768 [ 52.409085][ T4736] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.410752][ T4736] BTRFS info (device loop0): using free space tree [ 52.412429][ T4736] BTRFS info (device loop0): has skinny extents [ 52.457179][ T4736] BTRFS info (device loop0): enabling ssd optimizations [ 52.462988][ T4736] FAULT_INJECTION: forcing a failure. [ 52.462988][ T4736] name failslab, interval 1, probability 0, space 0, times 0 [ 52.465119][ T4736] CPU: 0 PID: 4736 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.466320][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.467916][ T4736] Call trace: [ 52.468426][ T4736] dump_backtrace+0x0/0x43c [ 52.469110][ T4736] show_stack+0x2c/0x3c [ 52.469647][ T4736] __dump_stack+0x30/0x40 [ 52.470314][ T4736] dump_stack_lvl+0xf8/0x160 [ 52.471044][ T4736] dump_stack+0x1c/0x5c [ 52.471652][ T4736] should_fail+0x3c0/0x51c [ 52.472374][ T4736] __should_failslab+0xbc/0x10c [ 52.473174][ T4736] should_failslab+0x10/0x28 [ 52.473855][ T4736] slab_pre_alloc_hook+0x64/0xec [ 52.474591][ T4736] kmem_cache_alloc+0x94/0x3e4 [ 52.475287][ T4736] btrfs_alloc_path+0x5c/0x68 [ 52.476064][ T4736] __btrfs_unlink_inode+0x1d8/0xb00 [ 52.476888][ T4736] btrfs_rename2+0x1c18/0x30c0 [ 52.477600][ T4736] vfs_rename+0x954/0xdcc [ 52.478249][ T4736] do_renameat2+0x74c/0xcdc [ 52.478923][ T4736] __arm64_sys_renameat2+0xe0/0xfc [ 52.479735][ T4736] invoke_syscall+0x98/0x2b8 [ 52.480499][ T4736] el0_svc_common+0x138/0x258 [ 52.481265][ T4736] do_el0_svc+0x58/0x14c [ 52.481932][ T4736] el0_svc+0x78/0x1e0 [ 52.482562][ T4736] el0t_64_sync_handler+0xcc/0xe4 [ 52.483342][ T4736] el0t_64_sync+0x1a0/0x1a4 [ 52.485724][ T4736] ------------[ cut here ]------------ [ 52.486721][ T4736] WARNING: CPU: 0 PID: 4736 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 52.488080][ T4736] Modules linked in: [ 52.488674][ T4736] CPU: 0 PID: 4736 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.489826][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.491414][ T4736] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.492621][ T4736] pc : btrfs_rename2+0x26c8/0x30c0 [ 52.493393][ T4736] lr : btrfs_rename2+0x26c8/0x30c0 [ 52.494133][ T4736] sp : ffff80001f077870 [ 52.494746][ T4736] x29: ffff80001f077980 x28: ffff0000d8ec5ac0 x27: 0000000000000000 [ 52.496089][ T4736] x26: dfff800000000000 x25: ffff0000e1d4d340 x24: ffff0000d13aa000 [ 52.497339][ T4736] x23: ffff0000e1d4ce80 x22: ffff8000141ffd40 x21: 1fffe0001bd30781 [ 52.498601][ T4736] x20: ffff0000de983c08 x19: 00000000fffffff4 x18: 0000000000000001 [ 52.499810][ T4736] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 52.501084][ T4736] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.502396][ T4736] x11: 0000000000000000 x10: 0000000000000000 x9 : 985fa203d0d70500 [ 52.503669][ T4736] x8 : 985fa203d0d70500 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.504862][ T4736] x5 : ffff80001f077158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 52.506152][ T4736] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.507404][ T4736] Call trace: [ 52.507938][ T4736] btrfs_rename2+0x26c8/0x30c0 [ 52.508744][ T4736] vfs_rename+0x954/0xdcc [ 52.509417][ T4736] do_renameat2+0x74c/0xcdc [ 52.510177][ T4736] __arm64_sys_renameat2+0xe0/0xfc [ 52.511007][ T4736] invoke_syscall+0x98/0x2b8 [ 52.511667][ T4736] el0_svc_common+0x138/0x258 [ 52.512417][ T4736] do_el0_svc+0x58/0x14c [ 52.513051][ T4736] el0_svc+0x78/0x1e0 [ 52.513677][ T4736] el0t_64_sync_handler+0xcc/0xe4 [ 52.514434][ T4736] el0t_64_sync+0x1a0/0x1a4 [ 52.515093][ T4736] irq event stamp: 81544 [ 52.515718][ T4736] hardirqs last enabled at (81543): [] __up_console_sem+0xb4/0x100 [ 52.517277][ T4736] hardirqs last disabled at (81544): [] el1_dbg+0x24/0x80 [ 52.518719][ T4736] softirqs last enabled at (81524): [] handle_softirqs+0xa4c/0xbf0 [ 52.520199][ T4736] softirqs last disabled at (81341): [] __irq_exit_rcu+0x240/0x440 [ 52.521556][ T4736] ---[ end trace 85e41d5a8fb11702 ]--- [ 52.524956][ T4736] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 52.526460][ T4736] BTRFS info (device loop0): forced readonly [ 52.738401][ T4806] loop0: detected capacity change from 0 to 32768 [ 52.750144][ T4806] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4806) [ 52.758913][ T4806] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.760576][ T4806] BTRFS info (device loop0): using free space tree [ 52.764493][ T4806] BTRFS info (device loop0): has skinny extents [ 52.819062][ T4806] BTRFS info (device loop0): enabling ssd optimizations [ 52.831284][ T4806] FAULT_INJECTION: forcing a failure. [ 52.831284][ T4806] name failslab, interval 1, probability 0, space 0, times 0 [ 52.833229][ T4806] CPU: 0 PID: 4806 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.834710][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.836285][ T4806] Call trace: [ 52.836790][ T4806] dump_backtrace+0x0/0x43c [ 52.837429][ T4806] show_stack+0x2c/0x3c [ 52.838059][ T4806] __dump_stack+0x30/0x40 [ 52.838704][ T4806] dump_stack_lvl+0xf8/0x160 [ 52.839408][ T4806] dump_stack+0x1c/0x5c [ 52.840110][ T4806] should_fail+0x3c0/0x51c [ 52.840774][ T4806] __should_failslab+0xbc/0x10c [ 52.841505][ T4806] should_failslab+0x10/0x28 [ 52.842182][ T4806] slab_pre_alloc_hook+0x64/0xec [ 52.842939][ T4806] kmem_cache_alloc+0x94/0x3e4 [ 52.843714][ T4806] btrfs_alloc_path+0x5c/0x68 [ 52.844461][ T4806] __btrfs_unlink_inode+0x1d8/0xb00 [ 52.845253][ T4806] btrfs_rename2+0x1c18/0x30c0 [ 52.846044][ T4806] vfs_rename+0x954/0xdcc [ 52.846751][ T4806] do_renameat2+0x74c/0xcdc [ 52.847516][ T4806] __arm64_sys_renameat2+0xe0/0xfc [ 52.848341][ T4806] invoke_syscall+0x98/0x2b8 [ 52.849107][ T4806] el0_svc_common+0x138/0x258 [ 52.849819][ T4806] do_el0_svc+0x58/0x14c [ 52.850495][ T4806] el0_svc+0x78/0x1e0 [ 52.851132][ T4806] el0t_64_sync_handler+0xcc/0xe4 [ 52.851937][ T4806] el0t_64_sync+0x1a0/0x1a4 [ 52.856325][ T4806] ------------[ cut here ]------------ [ 52.857478][ T4806] WARNING: CPU: 0 PID: 4806 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 52.858815][ T4806] Modules linked in: [ 52.859416][ T4806] CPU: 0 PID: 4806 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.860813][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.862437][ T4806] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.863672][ T4806] pc : btrfs_rename2+0x26c8/0x30c0 [ 52.864484][ T4806] lr : btrfs_rename2+0x26c8/0x30c0 [ 52.865306][ T4806] sp : ffff80001f097870 [ 52.865965][ T4806] x29: ffff80001f097980 x28: ffff0000cf07c630 x27: 0000000000000000 [ 52.867257][ T4806] x26: dfff800000000000 x25: ffff0000deae1860 x24: ffff0000d75a0000 [ 52.868536][ T4806] x23: ffff0000deae13a0 x22: ffff8000141ffd40 x21: 1fffe0001bd307c3 [ 52.869834][ T4806] x20: ffff0000de983e18 x19: 00000000fffffff4 x18: 0000000000000001 [ 52.871041][ T4806] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 52.872355][ T4806] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.873575][ T4806] x11: 0000000000000000 x10: 0000000000000000 x9 : fb77d0fd67ec7c00 [ 52.874760][ T4806] x8 : fb77d0fd67ec7c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.875933][ T4806] x5 : ffff80001f097158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 52.877177][ T4806] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.878399][ T4806] Call trace: [ 52.878889][ T4806] btrfs_rename2+0x26c8/0x30c0 [ 52.879578][ T4806] vfs_rename+0x954/0xdcc [ 52.880227][ T4806] do_renameat2+0x74c/0xcdc [ 52.880878][ T4806] __arm64_sys_renameat2+0xe0/0xfc [ 52.881623][ T4806] invoke_syscall+0x98/0x2b8 [ 52.882317][ T4806] el0_svc_common+0x138/0x258 [ 52.883046][ T4806] do_el0_svc+0x58/0x14c [ 52.883717][ T4806] el0_svc+0x78/0x1e0 [ 52.884321][ T4806] el0t_64_sync_handler+0xcc/0xe4 [ 52.885088][ T4806] el0t_64_sync+0x1a0/0x1a4 [ 52.885775][ T4806] irq event stamp: 81400 [ 52.886394][ T4806] hardirqs last enabled at (81399): [] __up_console_sem+0xb4/0x100 [ 52.887857][ T4806] hardirqs last disabled at (81400): [] el1_dbg+0x24/0x80 [ 52.889172][ T4806] softirqs last enabled at (81376): [] handle_softirqs+0xa4c/0xbf0 [ 52.890500][ T4806] softirqs last disabled at (81265): [] __irq_exit_rcu+0x240/0x440 [ 52.891877][ T4806] ---[ end trace 85e41d5a8fb11703 ]--- [ 52.895381][ T4806] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 52.896860][ T4806] BTRFS info (device loop0): forced readonly [ 53.104342][ T4860] loop0: detected capacity change from 0 to 32768 [ 53.116290][ T4860] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4860) [ 53.125581][ T4860] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.127201][ T4860] BTRFS info (device loop0): using free space tree [ 53.128173][ T4860] BTRFS info (device loop0): has skinny extents [ 53.158667][ T4860] BTRFS info (device loop0): enabling ssd optimizations [ 53.164188][ T4860] FAULT_INJECTION: forcing a failure. [ 53.164188][ T4860] name failslab, interval 1, probability 0, space 0, times 0 [ 53.166227][ T4860] CPU: 1 PID: 4860 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.167730][ T4860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.169402][ T4860] Call trace: [ 53.169984][ T4860] dump_backtrace+0x0/0x43c [ 53.170729][ T4860] show_stack+0x2c/0x3c [ 53.171393][ T4860] __dump_stack+0x30/0x40 [ 53.172072][ T4860] dump_stack_lvl+0xf8/0x160 [ 53.172826][ T4860] dump_stack+0x1c/0x5c [ 53.173504][ T4860] should_fail+0x3c0/0x51c [ 53.174213][ T4860] __should_failslab+0xbc/0x10c [ 53.174949][ T4860] should_failslab+0x10/0x28 [ 53.175698][ T4860] slab_pre_alloc_hook+0x64/0xec [ 53.176449][ T4860] kmem_cache_alloc+0x94/0x3e4 [ 53.177167][ T4860] btrfs_alloc_path+0x5c/0x68 [ 53.177924][ T4860] btrfs_check_dir_item_collision+0x90/0x2d0 [ 53.178929][ T4860] btrfs_rename2+0x14cc/0x30c0 [ 53.179714][ T4860] vfs_rename+0x954/0xdcc [ 53.180392][ T4860] do_renameat2+0x74c/0xcdc [ 53.181079][ T4860] __arm64_sys_renameat2+0xe0/0xfc [ 53.181866][ T4860] invoke_syscall+0x98/0x2b8 [ 53.182574][ T4860] el0_svc_common+0x138/0x258 [ 53.183265][ T4860] do_el0_svc+0x58/0x14c [ 53.183861][ T4860] el0_svc+0x78/0x1e0 [ 53.184416][ T4860] el0t_64_sync_handler+0xcc/0xe4 [ 53.185127][ T4860] el0t_64_sync+0x1a0/0x1a4 [ 53.365791][ T4903] loop0: detected capacity change from 0 to 32768 [ 53.368357][ T4903] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4903) [ 53.372904][ T4903] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.374595][ T4903] BTRFS info (device loop0): using free space tree [ 53.375733][ T4903] BTRFS info (device loop0): has skinny extents [ 53.396296][ T4903] BTRFS info (device loop0): enabling ssd optimizations [ 53.401841][ T4903] FAULT_INJECTION: forcing a failure. [ 53.401841][ T4903] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 53.404064][ T4903] CPU: 1 PID: 4903 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.405557][ T4903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.407290][ T4903] Call trace: [ 53.407870][ T4903] dump_backtrace+0x0/0x43c [ 53.408599][ T4903] show_stack+0x2c/0x3c [ 53.409262][ T4903] __dump_stack+0x30/0x40 [ 53.409950][ T4903] dump_stack_lvl+0xf8/0x160 [ 53.410717][ T4903] dump_stack+0x1c/0x5c [ 53.411446][ T4903] should_fail+0x3c0/0x51c [ 53.412128][ T4903] should_fail_alloc_page+0x74/0xa8 [ 53.412999][ T4903] prepare_alloc_pages+0x160/0x460 [ 53.413840][ T4903] __alloc_pages+0x108/0x470 [ 53.414533][ T4903] alloc_pages+0x34c/0x5c0 [ 53.415213][ T4903] new_slab+0xe0/0x55c [ 53.415838][ T4903] ___slab_alloc+0x6c0/0xda8 [ 53.416629][ T4903] __slab_alloc+0x68/0xc0 [ 53.417338][ T4903] kmem_cache_alloc+0x2ac/0x3e4 [ 53.418140][ T4903] btrfs_alloc_path+0x5c/0x68 [ 53.418857][ T4903] btrfs_insert_inode_ref+0xe8/0x9e0 [ 53.419645][ T4903] btrfs_rename2+0x1998/0x30c0 [ 53.420422][ T4903] vfs_rename+0x954/0xdcc [ 53.421125][ T4903] do_renameat2+0x74c/0xcdc [ 53.421804][ T4903] __arm64_sys_renameat2+0xe0/0xfc [ 53.422513][ T4903] invoke_syscall+0x98/0x2b8 [ 53.423260][ T4903] el0_svc_common+0x138/0x258 [ 53.424001][ T4903] do_el0_svc+0x58/0x14c [ 53.424641][ T4903] el0_svc+0x78/0x1e0 [ 53.425287][ T4903] el0t_64_sync_handler+0xcc/0xe4 [ 53.426044][ T4903] el0t_64_sync+0x1a0/0x1a4 [ 53.541321][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 53.632120][ T4924] loop0: detected capacity change from 0 to 32768 [ 53.634552][ T4924] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4924) [ 53.637533][ T4924] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.639320][ T4924] BTRFS info (device loop0): using free space tree [ 53.640452][ T4924] BTRFS info (device loop0): has skinny extents [ 53.654124][ T4924] BTRFS info (device loop0): enabling ssd optimizations [ 53.659353][ T4924] FAULT_INJECTION: forcing a failure. [ 53.659353][ T4924] name failslab, interval 1, probability 0, space 0, times 0 [ 53.661924][ T4924] CPU: 0 PID: 4924 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.663374][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.664973][ T4924] Call trace: [ 53.665480][ T4924] dump_backtrace+0x0/0x43c [ 53.666193][ T4924] show_stack+0x2c/0x3c [ 53.666784][ T4924] __dump_stack+0x30/0x40 [ 53.667442][ T4924] dump_stack_lvl+0xf8/0x160 [ 53.668101][ T4924] dump_stack+0x1c/0x5c [ 53.668699][ T4924] should_fail+0x3c0/0x51c [ 53.669373][ T4924] __should_failslab+0xbc/0x10c [ 53.670136][ T4924] should_failslab+0x10/0x28 [ 53.670836][ T4924] slab_pre_alloc_hook+0x64/0xec [ 53.671527][ T4924] kmem_cache_alloc+0x94/0x3e4 [ 53.672213][ T4924] btrfs_alloc_path+0x5c/0x68 [ 53.672877][ T4924] btrfs_insert_inode_ref+0xe8/0x9e0 [ 53.673638][ T4924] btrfs_rename2+0x1998/0x30c0 [ 53.674415][ T4924] vfs_rename+0x954/0xdcc [ 53.675126][ T4924] do_renameat2+0x74c/0xcdc [ 53.675876][ T4924] __arm64_sys_renameat2+0xe0/0xfc [ 53.676685][ T4924] invoke_syscall+0x98/0x2b8 [ 53.677412][ T4924] el0_svc_common+0x138/0x258 [ 53.678143][ T4924] do_el0_svc+0x58/0x14c [ 53.678808][ T4924] el0_svc+0x78/0x1e0 [ 53.679432][ T4924] el0t_64_sync_handler+0xcc/0xe4 [ 53.680254][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 53.876317][ T4945] loop0: detected capacity change from 0 to 32768 [ 53.878730][ T4945] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4945) [ 53.883330][ T4945] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.884935][ T4945] BTRFS info (device loop0): using free space tree [ 53.886053][ T4945] BTRFS info (device loop0): has skinny extents [ 53.895568][ T4945] BTRFS info (device loop0): enabling ssd optimizations [ 53.900755][ T4945] FAULT_INJECTION: forcing a failure. [ 53.900755][ T4945] name failslab, interval 1, probability 0, space 0, times 0 [ 53.903235][ T4945] CPU: 1 PID: 4945 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.904647][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.906311][ T4945] Call trace: [ 53.906824][ T4945] dump_backtrace+0x0/0x43c [ 53.907527][ T4945] show_stack+0x2c/0x3c [ 53.908250][ T4945] __dump_stack+0x30/0x40 [ 53.908944][ T4945] dump_stack_lvl+0xf8/0x160 [ 53.909623][ T4945] dump_stack+0x1c/0x5c [ 53.910274][ T4945] should_fail+0x3c0/0x51c [ 53.911016][ T4945] __should_failslab+0xbc/0x10c [ 53.911764][ T4945] should_failslab+0x10/0x28 [ 53.912450][ T4945] slab_pre_alloc_hook+0x64/0xec [ 53.913220][ T4945] kmem_cache_alloc+0x94/0x3e4 [ 53.913994][ T4945] btrfs_alloc_path+0x5c/0x68 [ 53.914700][ T4945] btrfs_insert_inode_ref+0xe8/0x9e0 [ 53.915514][ T4945] btrfs_rename2+0x1998/0x30c0 [ 53.916357][ T4945] vfs_rename+0x954/0xdcc [ 53.917137][ T4945] do_renameat2+0x74c/0xcdc [ 53.917859][ T4945] __arm64_sys_renameat2+0xe0/0xfc [ 53.918667][ T4945] invoke_syscall+0x98/0x2b8 [ 53.919520][ T4945] el0_svc_common+0x138/0x258 [ 53.920278][ T4945] do_el0_svc+0x58/0x14c [ 53.920982][ T4945] el0_svc+0x78/0x1e0 [ 53.921656][ T4945] el0t_64_sync_handler+0xcc/0xe4 [ 53.922559][ T4945] el0t_64_sync+0x1a0/0x1a4 [ 54.125782][ T4966] loop0: detected capacity change from 0 to 32768 [ 54.128183][ T4966] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4966) [ 54.132873][ T4966] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.135482][ T4966] BTRFS info (device loop0): using free space tree [ 54.136566][ T4966] BTRFS info (device loop0): has skinny extents [ 54.147500][ T4966] BTRFS info (device loop0): enabling ssd optimizations [ 54.157439][ T4966] FAULT_INJECTION: forcing a failure. [ 54.157439][ T4966] name failslab, interval 1, probability 0, space 0, times 0 [ 54.159473][ T4966] CPU: 1 PID: 4966 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.160807][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.162439][ T4966] Call trace: [ 54.162948][ T4966] dump_backtrace+0x0/0x43c [ 54.163669][ T4966] show_stack+0x2c/0x3c [ 54.164325][ T4966] __dump_stack+0x30/0x40 [ 54.165082][ T4966] dump_stack_lvl+0xf8/0x160 [ 54.165875][ T4966] dump_stack+0x1c/0x5c [ 54.166592][ T4966] should_fail+0x3c0/0x51c [ 54.167331][ T4966] __should_failslab+0xbc/0x10c [ 54.168130][ T4966] should_failslab+0x10/0x28 [ 54.168860][ T4966] slab_pre_alloc_hook+0x64/0xec [ 54.169617][ T4966] kmem_cache_alloc+0x94/0x3e4 [ 54.170386][ T4966] btrfs_alloc_path+0x5c/0x68 [ 54.171145][ T4966] __btrfs_unlink_inode+0x1d8/0xb00 [ 54.172034][ T4966] btrfs_rename2+0x1c18/0x30c0 [ 54.172795][ T4966] vfs_rename+0x954/0xdcc [ 54.173488][ T4966] do_renameat2+0x74c/0xcdc [ 54.174165][ T4966] __arm64_sys_renameat2+0xe0/0xfc [ 54.174975][ T4966] invoke_syscall+0x98/0x2b8 [ 54.175689][ T4966] el0_svc_common+0x138/0x258 [ 54.176490][ T4966] do_el0_svc+0x58/0x14c [ 54.177152][ T4966] el0_svc+0x78/0x1e0 [ 54.177781][ T4966] el0t_64_sync_handler+0xcc/0xe4 [ 54.178537][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 54.180141][ T4966] ------------[ cut here ]------------ [ 54.181508][ T4966] WARNING: CPU: 1 PID: 4966 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 54.182930][ T4966] Modules linked in: [ 54.183552][ T4966] CPU: 1 PID: 4966 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.184993][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.186705][ T4966] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.187979][ T4966] pc : btrfs_rename2+0x26c8/0x30c0 [ 54.188770][ T4966] lr : btrfs_rename2+0x26c8/0x30c0 [ 54.189574][ T4966] sp : ffff80001fb07870 [ 54.190200][ T4966] x29: ffff80001fb07980 x28: ffff0000d8ef1db0 x27: 0000000000000000 [ 54.191570][ T4966] x26: dfff800000000000 x25: ffff0000de99bfa0 x24: ffff0000c9590000 [ 54.192911][ T4966] x23: ffff0000de99bae0 x22: ffff8000141ffd40 x21: 1fffe0001bd59a37 [ 54.194235][ T4966] x20: ffff0000deacd1b8 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.195572][ T4966] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 54.197001][ T4966] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.198361][ T4966] x11: 0000000000000000 x10: 0000000000000000 x9 : 3fda787416713100 [ 54.199643][ T4966] x8 : 3fda787416713100 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.201000][ T4966] x5 : ffff80001fb07158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 54.202358][ T4966] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.203793][ T4966] Call trace: [ 54.204332][ T4966] btrfs_rename2+0x26c8/0x30c0 [ 54.205136][ T4966] vfs_rename+0x954/0xdcc [ 54.205876][ T4966] do_renameat2+0x74c/0xcdc [ 54.206666][ T4966] __arm64_sys_renameat2+0xe0/0xfc [ 54.207486][ T4966] invoke_syscall+0x98/0x2b8 [ 54.208263][ T4966] el0_svc_common+0x138/0x258 [ 54.209036][ T4966] do_el0_svc+0x58/0x14c [ 54.209708][ T4966] el0_svc+0x78/0x1e0 [ 54.210313][ T4966] el0t_64_sync_handler+0xcc/0xe4 [ 54.211160][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 54.211905][ T4966] irq event stamp: 79734 [ 54.212584][ T4966] hardirqs last enabled at (79733): [] __up_console_sem+0xb4/0x100 [ 54.214061][ T4966] hardirqs last disabled at (79734): [] el1_dbg+0x24/0x80 [ 54.215389][ T4966] softirqs last enabled at (79722): [] handle_softirqs+0xa4c/0xbf0 [ 54.216911][ T4966] softirqs last disabled at (79659): [] __irq_exit_rcu+0x240/0x440 [ 54.218330][ T4966] ---[ end trace 85e41d5a8fb11704 ]--- [ 54.220073][ T4966] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.222770][ T4966] BTRFS info (device loop0): forced readonly [ 54.397126][ T4987] loop0: detected capacity change from 0 to 32768 [ 54.399492][ T4987] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4987) [ 54.403562][ T4987] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.405172][ T4987] BTRFS info (device loop0): using free space tree [ 54.406092][ T4987] BTRFS info (device loop0): has skinny extents [ 54.422546][ T4987] BTRFS info (device loop0): enabling ssd optimizations [ 54.428600][ T4987] FAULT_INJECTION: forcing a failure. [ 54.428600][ T4987] name failslab, interval 1, probability 0, space 0, times 0 [ 54.430727][ T4987] CPU: 0 PID: 4987 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.432305][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.434003][ T4987] Call trace: [ 54.434547][ T4987] dump_backtrace+0x0/0x43c [ 54.435282][ T4987] show_stack+0x2c/0x3c [ 54.435972][ T4987] __dump_stack+0x30/0x40 [ 54.436652][ T4987] dump_stack_lvl+0xf8/0x160 [ 54.437352][ T4987] dump_stack+0x1c/0x5c [ 54.437988][ T4987] should_fail+0x3c0/0x51c [ 54.438684][ T4987] __should_failslab+0xbc/0x10c [ 54.439381][ T4987] should_failslab+0x10/0x28 [ 54.440123][ T4987] slab_pre_alloc_hook+0x64/0xec [ 54.440879][ T4987] kmem_cache_alloc+0x94/0x3e4 [ 54.441614][ T4987] btrfs_alloc_path+0x5c/0x68 [ 54.442377][ T4987] __btrfs_unlink_inode+0x1d8/0xb00 [ 54.443163][ T4987] btrfs_rename2+0x1c18/0x30c0 [ 54.443898][ T4987] vfs_rename+0x954/0xdcc [ 54.444590][ T4987] do_renameat2+0x74c/0xcdc [ 54.445328][ T4987] __arm64_sys_renameat2+0xe0/0xfc [ 54.446095][ T4987] invoke_syscall+0x98/0x2b8 [ 54.446746][ T4987] el0_svc_common+0x138/0x258 [ 54.447432][ T4987] do_el0_svc+0x58/0x14c [ 54.448104][ T4987] el0_svc+0x78/0x1e0 [ 54.448691][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 54.449429][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 54.451139][ T4987] ------------[ cut here ]------------ [ 54.452166][ T4987] WARNING: CPU: 1 PID: 4987 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 54.453579][ T4987] Modules linked in: [ 54.454173][ T4987] CPU: 1 PID: 4987 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.455550][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.457126][ T4987] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.458326][ T4987] pc : btrfs_rename2+0x26c8/0x30c0 [ 54.459077][ T4987] lr : btrfs_rename2+0x26c8/0x30c0 [ 54.459785][ T4987] sp : ffff80001fb07870 [ 54.460401][ T4987] x29: ffff80001fb07980 x28: ffff0000dce25948 x27: 0000000000000000 [ 54.461692][ T4987] x26: dfff800000000000 x25: ffff0000e1c89860 x24: ffff0000ca6f4000 [ 54.462995][ T4987] x23: ffff0000e1c893a0 x22: ffff8000141ffd40 x21: 1fffe0001bd1f6a5 [ 54.464278][ T4987] x20: ffff0000de8fb528 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.465572][ T4987] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 54.466856][ T4987] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.468144][ T4987] x11: 0000000000000000 x10: 0000000000000000 x9 : cbdd04504efc5600 [ 54.469391][ T4987] x8 : cbdd04504efc5600 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.470682][ T4987] x5 : ffff80001fb07158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 54.471901][ T4987] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.473153][ T4987] Call trace: [ 54.473678][ T4987] btrfs_rename2+0x26c8/0x30c0 [ 54.474397][ T4987] vfs_rename+0x954/0xdcc [ 54.475125][ T4987] do_renameat2+0x74c/0xcdc [ 54.475839][ T4987] __arm64_sys_renameat2+0xe0/0xfc [ 54.476650][ T4987] invoke_syscall+0x98/0x2b8 [ 54.477421][ T4987] el0_svc_common+0x138/0x258 [ 54.478257][ T4987] do_el0_svc+0x58/0x14c [ 54.478985][ T4987] el0_svc+0x78/0x1e0 [ 54.479658][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 54.480488][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 54.481226][ T4987] irq event stamp: 81236 [ 54.481915][ T4987] hardirqs last enabled at (81235): [] __up_console_sem+0xb4/0x100 [ 54.483552][ T4987] hardirqs last disabled at (81236): [] el1_dbg+0x24/0x80 [ 54.484891][ T4987] softirqs last enabled at (81216): [] handle_softirqs+0xa4c/0xbf0 [ 54.486423][ T4987] softirqs last disabled at (81187): [] __irq_exit_rcu+0x240/0x440 [ 54.487920][ T4987] ---[ end trace 85e41d5a8fb11705 ]--- [ 54.489550][ T4987] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.490944][ T4987] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:54 executed programs: 13 [ 54.674115][ T5008] loop0: detected capacity change from 0 to 32768 [ 54.676604][ T5008] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5008) [ 54.679934][ T5008] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.681677][ T5008] BTRFS info (device loop0): using free space tree [ 54.682880][ T5008] BTRFS info (device loop0): has skinny extents [ 54.695106][ T5008] BTRFS info (device loop0): enabling ssd optimizations [ 54.700031][ T5008] FAULT_INJECTION: forcing a failure. [ 54.700031][ T5008] name failslab, interval 1, probability 0, space 0, times 0 [ 54.702533][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.704019][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.705575][ T5008] Call trace: [ 54.706096][ T5008] dump_backtrace+0x0/0x43c [ 54.706776][ T5008] show_stack+0x2c/0x3c [ 54.707428][ T5008] __dump_stack+0x30/0x40 [ 54.708228][ T5008] dump_stack_lvl+0xf8/0x160 [ 54.708990][ T5008] dump_stack+0x1c/0x5c [ 54.709690][ T5008] should_fail+0x3c0/0x51c [ 54.710414][ T5008] __should_failslab+0xbc/0x10c [ 54.711169][ T5008] should_failslab+0x10/0x28 [ 54.711876][ T5008] slab_pre_alloc_hook+0x64/0xec [ 54.712631][ T5008] kmem_cache_alloc+0x94/0x3e4 [ 54.713319][ T5008] btrfs_alloc_path+0x5c/0x68 [ 54.714022][ T5008] btrfs_insert_inode_ref+0xe8/0x9e0 [ 54.714794][ T5008] btrfs_rename2+0x1998/0x30c0 [ 54.715530][ T5008] vfs_rename+0x954/0xdcc [ 54.716181][ T5008] do_renameat2+0x74c/0xcdc [ 54.716866][ T5008] __arm64_sys_renameat2+0xe0/0xfc [ 54.717628][ T5008] invoke_syscall+0x98/0x2b8 [ 54.718349][ T5008] el0_svc_common+0x138/0x258 [ 54.719046][ T5008] do_el0_svc+0x58/0x14c [ 54.719680][ T5008] el0_svc+0x78/0x1e0 [ 54.720296][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 54.721052][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 54.900210][ T5029] loop0: detected capacity change from 0 to 32768 [ 54.902963][ T5029] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5029) [ 54.912392][ T5029] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.913910][ T5029] BTRFS info (device loop0): using free space tree [ 54.914924][ T5029] BTRFS info (device loop0): has skinny extents [ 54.933881][ T5029] BTRFS info (device loop0): enabling ssd optimizations [ 54.939154][ T5029] FAULT_INJECTION: forcing a failure. [ 54.939154][ T5029] name failslab, interval 1, probability 0, space 0, times 0 [ 54.941696][ T5029] CPU: 0 PID: 5029 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.943011][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.944498][ T5029] Call trace: [ 54.944954][ T5029] dump_backtrace+0x0/0x43c [ 54.945698][ T5029] show_stack+0x2c/0x3c [ 54.946367][ T5029] __dump_stack+0x30/0x40 [ 54.947049][ T5029] dump_stack_lvl+0xf8/0x160 [ 54.947833][ T5029] dump_stack+0x1c/0x5c [ 54.948489][ T5029] should_fail+0x3c0/0x51c [ 54.949212][ T5029] __should_failslab+0xbc/0x10c [ 54.950002][ T5029] should_failslab+0x10/0x28 [ 54.950716][ T5029] slab_pre_alloc_hook+0x64/0xec [ 54.951478][ T5029] kmem_cache_alloc+0x94/0x3e4 [ 54.952187][ T5029] btrfs_alloc_path+0x5c/0x68 [ 54.952868][ T5029] btrfs_insert_inode_ref+0xe8/0x9e0 [ 54.953621][ T5029] btrfs_rename2+0x1998/0x30c0 [ 54.954305][ T5029] vfs_rename+0x954/0xdcc [ 54.954998][ T5029] do_renameat2+0x74c/0xcdc [ 54.955745][ T5029] __arm64_sys_renameat2+0xe0/0xfc [ 54.956558][ T5029] invoke_syscall+0x98/0x2b8 [ 54.957313][ T5029] el0_svc_common+0x138/0x258 [ 54.958020][ T5029] do_el0_svc+0x58/0x14c [ 54.958658][ T5029] el0_svc+0x78/0x1e0 [ 54.959296][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 54.960088][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 55.142108][ T5050] loop0: detected capacity change from 0 to 32768 [ 55.144605][ T5050] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5050) [ 55.149215][ T5050] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.150843][ T5050] BTRFS info (device loop0): using free space tree [ 55.152026][ T5050] BTRFS info (device loop0): has skinny extents [ 55.159307][ T5050] BTRFS info (device loop0): enabling ssd optimizations [ 55.166254][ T5050] FAULT_INJECTION: forcing a failure. [ 55.166254][ T5050] name failslab, interval 1, probability 0, space 0, times 0 [ 55.168290][ T5050] CPU: 1 PID: 5050 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.169667][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.171269][ T5050] Call trace: [ 55.171813][ T5050] dump_backtrace+0x0/0x43c [ 55.172554][ T5050] show_stack+0x2c/0x3c [ 55.173185][ T5050] __dump_stack+0x30/0x40 [ 55.173869][ T5050] dump_stack_lvl+0xf8/0x160 [ 55.174596][ T5050] dump_stack+0x1c/0x5c [ 55.175252][ T5050] should_fail+0x3c0/0x51c [ 55.175906][ T5050] __should_failslab+0xbc/0x10c [ 55.176642][ T5050] should_failslab+0x10/0x28 [ 55.177430][ T5050] slab_pre_alloc_hook+0x64/0xec [ 55.178243][ T5050] kmem_cache_alloc+0x94/0x3e4 [ 55.178967][ T5050] btrfs_alloc_path+0x5c/0x68 [ 55.179700][ T5050] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.180500][ T5050] btrfs_rename2+0x1c18/0x30c0 [ 55.181210][ T5050] vfs_rename+0x954/0xdcc [ 55.181957][ T5050] do_renameat2+0x74c/0xcdc [ 55.182648][ T5050] __arm64_sys_renameat2+0xe0/0xfc [ 55.183422][ T5050] invoke_syscall+0x98/0x2b8 [ 55.184083][ T5050] el0_svc_common+0x138/0x258 [ 55.184849][ T5050] do_el0_svc+0x58/0x14c [ 55.185519][ T5050] el0_svc+0x78/0x1e0 [ 55.186157][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 55.186959][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 55.188322][ T5050] ------------[ cut here ]------------ [ 55.189291][ T5050] WARNING: CPU: 1 PID: 5050 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.190694][ T5050] Modules linked in: [ 55.191288][ T5050] CPU: 1 PID: 5050 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.192668][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.194195][ T5050] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.195307][ T5050] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.196079][ T5050] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.196817][ T5050] sp : ffff800020377870 [ 55.197420][ T5050] x29: ffff800020377980 x28: ffff0000cf152f00 x27: 0000000000000000 [ 55.198634][ T5050] x26: dfff800000000000 x25: ffff0000de99e6e0 x24: ffff0000cbb3a000 [ 55.199893][ T5050] x23: ffff0000de99e220 x22: ffff8000141ffd40 x21: 1fffe0001bd59a4d [ 55.201073][ T5050] x20: ffff0000deacd268 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.202257][ T5050] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 55.203448][ T5050] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.204692][ T5050] x11: 0000000000000000 x10: 0000000000000000 x9 : 252693121e516100 [ 55.205938][ T5050] x8 : 252693121e516100 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.207113][ T5050] x5 : ffff800020377158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 55.208304][ T5050] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.209554][ T5050] Call trace: [ 55.210029][ T5050] btrfs_rename2+0x26c8/0x30c0 [ 55.210715][ T5050] vfs_rename+0x954/0xdcc [ 55.211390][ T5050] do_renameat2+0x74c/0xcdc [ 55.212181][ T5050] __arm64_sys_renameat2+0xe0/0xfc [ 55.213008][ T5050] invoke_syscall+0x98/0x2b8 [ 55.213719][ T5050] el0_svc_common+0x138/0x258 [ 55.214420][ T5050] do_el0_svc+0x58/0x14c [ 55.215117][ T5050] el0_svc+0x78/0x1e0 [ 55.215817][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 55.216696][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 55.217494][ T5050] irq event stamp: 80908 [ 55.218193][ T5050] hardirqs last enabled at (80907): [] __up_console_sem+0xb4/0x100 [ 55.219830][ T5050] hardirqs last disabled at (80908): [] el1_dbg+0x24/0x80 [ 55.221287][ T5050] softirqs last enabled at (80888): [] handle_softirqs+0xa4c/0xbf0 [ 55.222924][ T5050] softirqs last disabled at (80867): [] __irq_exit_rcu+0x240/0x440 [ 55.224494][ T5050] ---[ end trace 85e41d5a8fb11706 ]--- [ 55.225624][ T5050] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.227042][ T5050] BTRFS info (device loop0): forced readonly [ 55.415830][ T5071] loop0: detected capacity change from 0 to 32768 [ 55.418275][ T5071] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5071) [ 55.422929][ T5071] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.424502][ T5071] BTRFS info (device loop0): using free space tree [ 55.425639][ T5071] BTRFS info (device loop0): has skinny extents [ 55.440406][ T5071] BTRFS info (device loop0): enabling ssd optimizations [ 55.445398][ T5071] FAULT_INJECTION: forcing a failure. [ 55.445398][ T5071] name failslab, interval 1, probability 0, space 0, times 0 [ 55.447570][ T5071] CPU: 0 PID: 5071 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.448994][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.450616][ T5071] Call trace: [ 55.451177][ T5071] dump_backtrace+0x0/0x43c [ 55.451894][ T5071] show_stack+0x2c/0x3c [ 55.452636][ T5071] __dump_stack+0x30/0x40 [ 55.453392][ T5071] dump_stack_lvl+0xf8/0x160 [ 55.454192][ T5071] dump_stack+0x1c/0x5c [ 55.454853][ T5071] should_fail+0x3c0/0x51c [ 55.455558][ T5071] __should_failslab+0xbc/0x10c [ 55.456370][ T5071] should_failslab+0x10/0x28 [ 55.457089][ T5071] slab_pre_alloc_hook+0x64/0xec [ 55.457856][ T5071] kmem_cache_alloc+0x94/0x3e4 [ 55.458587][ T5071] btrfs_alloc_path+0x5c/0x68 [ 55.459364][ T5071] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.460237][ T5071] btrfs_rename2+0x1c18/0x30c0 [ 55.460970][ T5071] vfs_rename+0x954/0xdcc [ 55.461657][ T5071] do_renameat2+0x74c/0xcdc [ 55.462397][ T5071] __arm64_sys_renameat2+0xe0/0xfc [ 55.463288][ T5071] invoke_syscall+0x98/0x2b8 [ 55.464059][ T5071] el0_svc_common+0x138/0x258 [ 55.464808][ T5071] do_el0_svc+0x58/0x14c [ 55.465509][ T5071] el0_svc+0x78/0x1e0 [ 55.466167][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 55.466963][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 55.469284][ T5071] ------------[ cut here ]------------ [ 55.470266][ T5071] WARNING: CPU: 0 PID: 5071 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.471642][ T5071] Modules linked in: [ 55.472329][ T5071] CPU: 0 PID: 5071 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.473854][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.475503][ T5071] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.476744][ T5071] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.477594][ T5071] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.478466][ T5071] sp : ffff800020137870 [ 55.479134][ T5071] x29: ffff800020137980 x28: ffff0000dccf4340 x27: 0000000000000000 [ 55.480327][ T5071] x26: dfff800000000000 x25: ffff0000e1d4b5d0 x24: ffff0000cf4fe000 [ 55.481601][ T5071] x23: ffff0000e1d4b110 x22: ffff8000141ffd40 x21: 1fffe0001bd1f7c3 [ 55.482828][ T5071] x20: ffff0000de8fbe18 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.484196][ T5071] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 55.485586][ T5071] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.486844][ T5071] x11: 0000000000000000 x10: 0000000000000000 x9 : e5fb5c1cdc673600 [ 55.488166][ T5071] x8 : e5fb5c1cdc673600 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.489504][ T5071] x5 : ffff800020137158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 55.490859][ T5071] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.492180][ T5071] Call trace: [ 55.492689][ T5071] btrfs_rename2+0x26c8/0x30c0 [ 55.493419][ T5071] vfs_rename+0x954/0xdcc [ 55.494087][ T5071] do_renameat2+0x74c/0xcdc [ 55.494798][ T5071] __arm64_sys_renameat2+0xe0/0xfc [ 55.495600][ T5071] invoke_syscall+0x98/0x2b8 [ 55.496278][ T5071] el0_svc_common+0x138/0x258 [ 55.497053][ T5071] do_el0_svc+0x58/0x14c [ 55.497719][ T5071] el0_svc+0x78/0x1e0 [ 55.498314][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 55.499068][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 55.499753][ T5071] irq event stamp: 80256 [ 55.500404][ T5071] hardirqs last enabled at (80255): [] __up_console_sem+0xb4/0x100 [ 55.501932][ T5071] hardirqs last disabled at (80256): [] el1_dbg+0x24/0x80 [ 55.503345][ T5071] softirqs last enabled at (80236): [] handle_softirqs+0xa4c/0xbf0 [ 55.504827][ T5071] softirqs last disabled at (80149): [] __irq_exit_rcu+0x240/0x440 [ 55.506350][ T5071] ---[ end trace 85e41d5a8fb11707 ]--- [ 55.507976][ T5071] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.509260][ T5071] BTRFS info (device loop0): forced readonly [ 55.621780][ T4514] Bluetooth: hci0: command 0x040f tx timeout [ 55.691939][ T5092] loop0: detected capacity change from 0 to 32768 [ 55.694334][ T5092] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5092) [ 55.697744][ T5092] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.699564][ T5092] BTRFS info (device loop0): using free space tree [ 55.700536][ T5092] BTRFS info (device loop0): has skinny extents [ 55.712158][ T5092] BTRFS info (device loop0): enabling ssd optimizations [ 55.717066][ T5092] FAULT_INJECTION: forcing a failure. [ 55.717066][ T5092] name failslab, interval 1, probability 0, space 0, times 0 [ 55.719096][ T5092] CPU: 0 PID: 5092 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.720458][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.722088][ T5092] Call trace: [ 55.722573][ T5092] dump_backtrace+0x0/0x43c [ 55.723255][ T5092] show_stack+0x2c/0x3c [ 55.723907][ T5092] __dump_stack+0x30/0x40 [ 55.724580][ T5092] dump_stack_lvl+0xf8/0x160 [ 55.725295][ T5092] dump_stack+0x1c/0x5c [ 55.725917][ T5092] should_fail+0x3c0/0x51c [ 55.726626][ T5092] __should_failslab+0xbc/0x10c [ 55.727367][ T5092] should_failslab+0x10/0x28 [ 55.728094][ T5092] slab_pre_alloc_hook+0x64/0xec [ 55.728879][ T5092] kmem_cache_alloc+0x94/0x3e4 [ 55.729579][ T5092] start_transaction+0x4d0/0x13f0 [ 55.730382][ T5092] btrfs_start_transaction+0x34/0x44 [ 55.731199][ T5092] btrfs_rename2+0x15f8/0x30c0 [ 55.731958][ T5092] vfs_rename+0x954/0xdcc [ 55.732591][ T5092] do_renameat2+0x74c/0xcdc [ 55.733327][ T5092] __arm64_sys_renameat2+0xe0/0xfc [ 55.734133][ T5092] invoke_syscall+0x98/0x2b8 [ 55.734815][ T5092] el0_svc_common+0x138/0x258 [ 55.735512][ T5092] do_el0_svc+0x58/0x14c [ 55.736137][ T5092] el0_svc+0x78/0x1e0 [ 55.736779][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 55.737581][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 55.915366][ T5113] loop0: detected capacity change from 0 to 32768 [ 55.917858][ T5113] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5113) [ 55.923607][ T5113] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.925187][ T5113] BTRFS info (device loop0): using free space tree [ 55.926189][ T5113] BTRFS info (device loop0): has skinny extents [ 55.936990][ T5113] BTRFS info (device loop0): enabling ssd optimizations [ 55.942823][ T5113] FAULT_INJECTION: forcing a failure. [ 55.942823][ T5113] name failslab, interval 1, probability 0, space 0, times 0 [ 55.944919][ T5113] CPU: 0 PID: 5113 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.946216][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.947692][ T5113] Call trace: [ 55.948180][ T5113] dump_backtrace+0x0/0x43c [ 55.948891][ T5113] show_stack+0x2c/0x3c [ 55.949539][ T5113] __dump_stack+0x30/0x40 [ 55.950247][ T5113] dump_stack_lvl+0xf8/0x160 [ 55.950989][ T5113] dump_stack+0x1c/0x5c [ 55.951641][ T5113] should_fail+0x3c0/0x51c [ 55.952358][ T5113] __should_failslab+0xbc/0x10c [ 55.953131][ T5113] should_failslab+0x10/0x28 [ 55.953844][ T5113] slab_pre_alloc_hook+0x64/0xec [ 55.954601][ T5113] kmem_cache_alloc+0x94/0x3e4 [ 55.955349][ T5113] btrfs_alloc_path+0x5c/0x68 [ 55.956033][ T5113] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.956850][ T5113] btrfs_rename2+0x1c18/0x30c0 [ 55.957610][ T5113] vfs_rename+0x954/0xdcc [ 55.958268][ T5113] do_renameat2+0x74c/0xcdc [ 55.958961][ T5113] __arm64_sys_renameat2+0xe0/0xfc [ 55.959741][ T5113] invoke_syscall+0x98/0x2b8 [ 55.960490][ T5113] el0_svc_common+0x138/0x258 [ 55.961204][ T5113] do_el0_svc+0x58/0x14c [ 55.961925][ T5113] el0_svc+0x78/0x1e0 [ 55.962576][ T5113] el0t_64_sync_handler+0xcc/0xe4 [ 55.963410][ T5113] el0t_64_sync+0x1a0/0x1a4 [ 55.965098][ T5113] ------------[ cut here ]------------ [ 55.966105][ T5113] WARNING: CPU: 0 PID: 5113 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.967671][ T5113] Modules linked in: [ 55.968372][ T5113] CPU: 0 PID: 5113 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.969869][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.971519][ T5113] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.972783][ T5113] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.973642][ T5113] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.974412][ T5113] sp : ffff800020507870 [ 55.975014][ T5113] x29: ffff800020507980 x28: ffff0000deaa6920 x27: 0000000000000000 [ 55.976188][ T5113] x26: dfff800000000000 x25: ffff0000debcac00 x24: ffff0000d1c36000 [ 55.977375][ T5113] x23: ffff0000debca740 x22: ffff8000141ffd40 x21: 1fffe0001bd306d1 [ 55.978617][ T5113] x20: ffff0000de983688 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.979839][ T5113] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 55.981009][ T5113] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.982160][ T5113] x11: 0000000000000000 x10: 0000000000000000 x9 : 89fe493fec306b00 [ 55.983360][ T5113] x8 : 89fe493fec306b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.984535][ T5113] x5 : ffff800020507158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 55.985719][ T5113] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.986873][ T5113] Call trace: [ 55.987396][ T5113] btrfs_rename2+0x26c8/0x30c0 [ 55.988070][ T5113] vfs_rename+0x954/0xdcc [ 55.988737][ T5113] do_renameat2+0x74c/0xcdc [ 55.989382][ T5113] __arm64_sys_renameat2+0xe0/0xfc [ 55.990139][ T5113] invoke_syscall+0x98/0x2b8 [ 55.990831][ T5113] el0_svc_common+0x138/0x258 [ 55.991532][ T5113] do_el0_svc+0x58/0x14c [ 55.992240][ T5113] el0_svc+0x78/0x1e0 [ 55.992901][ T5113] el0t_64_sync_handler+0xcc/0xe4 [ 55.993729][ T5113] el0t_64_sync+0x1a0/0x1a4 [ 55.994479][ T5113] irq event stamp: 80034 [ 55.995152][ T5113] hardirqs last enabled at (80033): [] __up_console_sem+0xb4/0x100 [ 55.996724][ T5113] hardirqs last disabled at (80034): [] el1_dbg+0x24/0x80 [ 55.998183][ T5113] softirqs last enabled at (80014): [] handle_softirqs+0xa4c/0xbf0 [ 55.999737][ T5113] softirqs last disabled at (79895): [] __irq_exit_rcu+0x240/0x440 [ 56.001250][ T5113] ---[ end trace 85e41d5a8fb11708 ]--- [ 56.002972][ T5113] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.004390][ T5113] BTRFS info (device loop0): forced readonly [ 56.173054][ T5134] loop0: detected capacity change from 0 to 32768 [ 56.175749][ T5134] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5134) [ 56.180074][ T5134] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.182111][ T5134] BTRFS info (device loop0): using free space tree [ 56.183230][ T5134] BTRFS info (device loop0): has skinny extents [ 56.194888][ T5134] BTRFS info (device loop0): enabling ssd optimizations [ 56.199689][ T5134] FAULT_INJECTION: forcing a failure. [ 56.199689][ T5134] name failslab, interval 1, probability 0, space 0, times 0 [ 56.202165][ T5134] CPU: 1 PID: 5134 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.203649][ T5134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.205198][ T5134] Call trace: [ 56.205732][ T5134] dump_backtrace+0x0/0x43c [ 56.206484][ T5134] show_stack+0x2c/0x3c [ 56.207154][ T5134] __dump_stack+0x30/0x40 [ 56.207828][ T5134] dump_stack_lvl+0xf8/0x160 [ 56.208534][ T5134] dump_stack+0x1c/0x5c [ 56.209197][ T5134] should_fail+0x3c0/0x51c [ 56.209964][ T5134] __should_failslab+0xbc/0x10c [ 56.210751][ T5134] should_failslab+0x10/0x28 [ 56.211492][ T5134] slab_pre_alloc_hook+0x64/0xec [ 56.212288][ T5134] kmem_cache_alloc+0x94/0x3e4 [ 56.213064][ T5134] btrfs_alloc_path+0x5c/0x68 [ 56.213798][ T5134] btrfs_insert_inode_ref+0xe8/0x9e0 [ 56.214695][ T5134] btrfs_rename2+0x1998/0x30c0 [ 56.215445][ T5134] vfs_rename+0x954/0xdcc [ 56.216105][ T5134] do_renameat2+0x74c/0xcdc [ 56.216841][ T5134] __arm64_sys_renameat2+0xe0/0xfc [ 56.217608][ T5134] invoke_syscall+0x98/0x2b8 [ 56.218316][ T5134] el0_svc_common+0x138/0x258 [ 56.219070][ T5134] do_el0_svc+0x58/0x14c [ 56.219802][ T5134] el0_svc+0x78/0x1e0 [ 56.220470][ T5134] el0t_64_sync_handler+0xcc/0xe4 [ 56.221238][ T5134] el0t_64_sync+0x1a0/0x1a4 [ 56.424968][ T5155] loop0: detected capacity change from 0 to 32768 [ 56.427500][ T5155] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5155) [ 56.430641][ T5155] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.432490][ T5155] BTRFS info (device loop0): using free space tree [ 56.433564][ T5155] BTRFS info (device loop0): has skinny extents [ 56.444673][ T5155] BTRFS info (device loop0): enabling ssd optimizations [ 56.449561][ T5155] FAULT_INJECTION: forcing a failure. [ 56.449561][ T5155] name failslab, interval 1, probability 0, space 0, times 0 [ 56.452390][ T5155] CPU: 0 PID: 5155 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.453818][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.455517][ T5155] Call trace: [ 56.456065][ T5155] dump_backtrace+0x0/0x43c [ 56.456733][ T5155] show_stack+0x2c/0x3c [ 56.457358][ T5155] __dump_stack+0x30/0x40 [ 56.458002][ T5155] dump_stack_lvl+0xf8/0x160 [ 56.458685][ T5155] dump_stack+0x1c/0x5c [ 56.459367][ T5155] should_fail+0x3c0/0x51c [ 56.460069][ T5155] __should_failslab+0xbc/0x10c [ 56.460780][ T5155] should_failslab+0x10/0x28 [ 56.461524][ T5155] slab_pre_alloc_hook+0x64/0xec [ 56.462314][ T5155] kmem_cache_alloc+0x94/0x3e4 [ 56.463063][ T5155] btrfs_alloc_path+0x5c/0x68 [ 56.463808][ T5155] __btrfs_unlink_inode+0x1d8/0xb00 [ 56.464646][ T5155] btrfs_rename2+0x1c18/0x30c0 [ 56.465411][ T5155] vfs_rename+0x954/0xdcc [ 56.466113][ T5155] do_renameat2+0x74c/0xcdc [ 56.466924][ T5155] __arm64_sys_renameat2+0xe0/0xfc [ 56.467755][ T5155] invoke_syscall+0x98/0x2b8 [ 56.468489][ T5155] el0_svc_common+0x138/0x258 [ 56.469236][ T5155] do_el0_svc+0x58/0x14c [ 56.469917][ T5155] el0_svc+0x78/0x1e0 [ 56.470550][ T5155] el0t_64_sync_handler+0xcc/0xe4 [ 56.471347][ T5155] el0t_64_sync+0x1a0/0x1a4 [ 56.472758][ T5155] ------------[ cut here ]------------ [ 56.473709][ T5155] WARNING: CPU: 0 PID: 5155 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 56.475058][ T5155] Modules linked in: [ 56.475695][ T5155] CPU: 0 PID: 5155 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.477042][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.478679][ T5155] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.479868][ T5155] pc : btrfs_rename2+0x26c8/0x30c0 [ 56.480628][ T5155] lr : btrfs_rename2+0x26c8/0x30c0 [ 56.481385][ T5155] sp : ffff800020937870 [ 56.482030][ T5155] x29: ffff800020937980 x28: ffff0000dcd194e0 x27: 0000000000000000 [ 56.483239][ T5155] x26: dfff800000000000 x25: ffff0000de87bfa0 x24: ffff0000d0024000 [ 56.484365][ T5155] x23: ffff0000de87bae0 x22: ffff8000141ffd40 x21: 1fffe0001bd3073f [ 56.485537][ T5155] x20: ffff0000de9839f8 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.486839][ T5155] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 56.488263][ T5155] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.489623][ T5155] x11: 0000000000000000 x10: 0000000000000000 x9 : 5e60077ca7570900 [ 56.490912][ T5155] x8 : 5e60077ca7570900 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.492200][ T5155] x5 : ffff800020937158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 56.493470][ T5155] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.494750][ T5155] Call trace: [ 56.495261][ T5155] btrfs_rename2+0x26c8/0x30c0 [ 56.495973][ T5155] vfs_rename+0x954/0xdcc [ 56.496592][ T5155] do_renameat2+0x74c/0xcdc [ 56.497339][ T5155] __arm64_sys_renameat2+0xe0/0xfc [ 56.498079][ T5155] invoke_syscall+0x98/0x2b8 [ 56.498855][ T5155] el0_svc_common+0x138/0x258 [ 56.499635][ T5155] do_el0_svc+0x58/0x14c [ 56.500385][ T5155] el0_svc+0x78/0x1e0 [ 56.501030][ T5155] el0t_64_sync_handler+0xcc/0xe4 [ 56.501864][ T5155] el0t_64_sync+0x1a0/0x1a4 [ 56.502553][ T5155] irq event stamp: 80480 [ 56.503230][ T5155] hardirqs last enabled at (80479): [] __up_console_sem+0xb4/0x100 [ 56.504643][ T5155] hardirqs last disabled at (80480): [] el1_dbg+0x24/0x80 [ 56.505971][ T5155] softirqs last enabled at (80460): [] handle_softirqs+0xa4c/0xbf0 [ 56.507433][ T5155] softirqs last disabled at (80445): [] __irq_exit_rcu+0x240/0x440 [ 56.508933][ T5155] ---[ end trace 85e41d5a8fb11709 ]--- [ 56.510537][ T5155] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.512031][ T5155] BTRFS info (device loop0): forced readonly [ 56.702983][ T5176] loop0: detected capacity change from 0 to 32768 [ 56.705372][ T5176] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5176) [ 56.709521][ T5176] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.711307][ T5176] BTRFS info (device loop0): using free space tree [ 56.712232][ T5176] BTRFS info (device loop0): has skinny extents [ 56.723161][ T5176] BTRFS info (device loop0): enabling ssd optimizations [ 56.728304][ T5176] FAULT_INJECTION: forcing a failure. [ 56.728304][ T5176] name failslab, interval 1, probability 0, space 0, times 0 [ 56.730457][ T5176] CPU: 0 PID: 5176 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.731854][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.733419][ T5176] Call trace: [ 56.733937][ T5176] dump_backtrace+0x0/0x43c [ 56.734634][ T5176] show_stack+0x2c/0x3c [ 56.735350][ T5176] __dump_stack+0x30/0x40 [ 56.736118][ T5176] dump_stack_lvl+0xf8/0x160 [ 56.736894][ T5176] dump_stack+0x1c/0x5c [ 56.737529][ T5176] should_fail+0x3c0/0x51c [ 56.738283][ T5176] __should_failslab+0xbc/0x10c [ 56.739012][ T5176] should_failslab+0x10/0x28 [ 56.739730][ T5176] slab_pre_alloc_hook+0x64/0xec [ 56.740512][ T5176] kmem_cache_alloc+0x94/0x3e4 [ 56.741323][ T5176] start_transaction+0x4d0/0x13f0 [ 56.742170][ T5176] btrfs_start_transaction+0x34/0x44 [ 56.743012][ T5176] btrfs_rename2+0x15f8/0x30c0 [ 56.743742][ T5176] vfs_rename+0x954/0xdcc [ 56.744457][ T5176] do_renameat2+0x74c/0xcdc [ 56.745117][ T5176] __arm64_sys_renameat2+0xe0/0xfc [ 56.745875][ T5176] invoke_syscall+0x98/0x2b8 [ 56.746553][ T5176] el0_svc_common+0x138/0x258 [ 56.747305][ T5176] do_el0_svc+0x58/0x14c [ 56.748037][ T5176] el0_svc+0x78/0x1e0 [ 56.748711][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 56.749595][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 56.927282][ T5197] loop0: detected capacity change from 0 to 32768 [ 56.930592][ T5197] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5197) [ 56.934975][ T5197] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.936883][ T5197] BTRFS info (device loop0): using free space tree [ 56.937854][ T5197] BTRFS info (device loop0): has skinny extents [ 56.956171][ T5197] BTRFS info (device loop0): enabling ssd optimizations [ 56.961518][ T5197] FAULT_INJECTION: forcing a failure. [ 56.961518][ T5197] name failslab, interval 1, probability 0, space 0, times 0 [ 56.963610][ T5197] CPU: 1 PID: 5197 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.965034][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.966618][ T5197] Call trace: [ 56.967173][ T5197] dump_backtrace+0x0/0x43c [ 56.967900][ T5197] show_stack+0x2c/0x3c [ 56.968529][ T5197] __dump_stack+0x30/0x40 [ 56.969188][ T5197] dump_stack_lvl+0xf8/0x160 [ 56.969971][ T5197] dump_stack+0x1c/0x5c [ 56.970656][ T5197] should_fail+0x3c0/0x51c [ 56.971353][ T5197] __should_failslab+0xbc/0x10c [ 56.972163][ T5197] should_failslab+0x10/0x28 [ 56.972903][ T5197] slab_pre_alloc_hook+0x64/0xec [ 56.973682][ T5197] kmem_cache_alloc+0x94/0x3e4 [ 56.974417][ T5197] btrfs_alloc_path+0x5c/0x68 [ 56.975135][ T5197] __btrfs_unlink_inode+0x1d8/0xb00 [ 56.975957][ T5197] btrfs_rename2+0x1c18/0x30c0 [ 56.976768][ T5197] vfs_rename+0x954/0xdcc [ 56.977487][ T5197] do_renameat2+0x74c/0xcdc [ 56.978237][ T5197] __arm64_sys_renameat2+0xe0/0xfc [ 56.979081][ T5197] invoke_syscall+0x98/0x2b8 [ 56.979800][ T5197] el0_svc_common+0x138/0x258 [ 56.980530][ T5197] do_el0_svc+0x58/0x14c [ 56.981178][ T5197] el0_svc+0x78/0x1e0 [ 56.981771][ T5197] el0t_64_sync_handler+0xcc/0xe4 [ 56.982601][ T5197] el0t_64_sync+0x1a0/0x1a4 [ 56.984859][ T5197] ------------[ cut here ]------------ [ 56.985883][ T5197] WARNING: CPU: 1 PID: 5197 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 56.987250][ T5197] Modules linked in: [ 56.987789][ T5197] CPU: 1 PID: 5197 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.989263][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.990899][ T5197] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.992221][ T5197] pc : btrfs_rename2+0x26c8/0x30c0 [ 56.993124][ T5197] lr : btrfs_rename2+0x26c8/0x30c0 [ 56.993959][ T5197] sp : ffff800020a47870 [ 56.994653][ T5197] x29: ffff800020a47980 x28: ffff0000cc78d948 x27: 0000000000000000 [ 56.995939][ T5197] x26: dfff800000000000 x25: ffff0000de87e6e0 x24: ffff0000d7c7c000 [ 56.997226][ T5197] x23: ffff0000de87e220 x22: ffff8000141ffd40 x21: 1fffe0001b9dd063 [ 56.998496][ T5197] x20: ffff0000dcee8318 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.999701][ T5197] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 57.000949][ T5197] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.002159][ T5197] x11: 0000000000000000 x10: 0000000000000000 x9 : 9bcafdddda11ad00 [ 57.003392][ T5197] x8 : 9bcafdddda11ad00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.004799][ T5197] x5 : ffff800020a47158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 57.006189][ T5197] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.007600][ T5197] Call trace: [ 57.008139][ T5197] btrfs_rename2+0x26c8/0x30c0 [ 57.008892][ T5197] vfs_rename+0x954/0xdcc [ 57.009589][ T5197] do_renameat2+0x74c/0xcdc [ 57.010277][ T5197] __arm64_sys_renameat2+0xe0/0xfc [ 57.011080][ T5197] invoke_syscall+0x98/0x2b8 [ 57.011763][ T5197] el0_svc_common+0x138/0x258 [ 57.012481][ T5197] do_el0_svc+0x58/0x14c [ 57.013175][ T5197] el0_svc+0x78/0x1e0 [ 57.013754][ T5197] el0t_64_sync_handler+0xcc/0xe4 [ 57.014559][ T5197] el0t_64_sync+0x1a0/0x1a4 [ 57.015375][ T5197] irq event stamp: 81018 [ 57.016048][ T5197] hardirqs last enabled at (81017): [] __up_console_sem+0xb4/0x100 [ 57.017550][ T5197] hardirqs last disabled at (81018): [] el1_dbg+0x24/0x80 [ 57.018995][ T5197] softirqs last enabled at (80998): [] handle_softirqs+0xa4c/0xbf0 [ 57.020603][ T5197] softirqs last disabled at (80923): [] __irq_exit_rcu+0x240/0x440 [ 57.022039][ T5197] ---[ end trace 85e41d5a8fb1170a ]--- [ 57.023761][ T5197] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.025197][ T5197] BTRFS info (device loop0): forced readonly [ 57.205084][ T5218] loop0: detected capacity change from 0 to 32768 [ 57.207495][ T5218] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5218) [ 57.212027][ T5218] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.213719][ T5218] BTRFS info (device loop0): using free space tree [ 57.214819][ T5218] BTRFS info (device loop0): has skinny extents [ 57.224052][ T5218] BTRFS info (device loop0): enabling ssd optimizations [ 57.230099][ T5218] FAULT_INJECTION: forcing a failure. [ 57.230099][ T5218] name failslab, interval 1, probability 0, space 0, times 0 [ 57.232609][ T5218] CPU: 0 PID: 5218 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.234055][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.235623][ T5218] Call trace: [ 57.236116][ T5218] dump_backtrace+0x0/0x43c [ 57.236802][ T5218] show_stack+0x2c/0x3c [ 57.237438][ T5218] __dump_stack+0x30/0x40 [ 57.238053][ T5218] dump_stack_lvl+0xf8/0x160 [ 57.238761][ T5218] dump_stack+0x1c/0x5c [ 57.239418][ T5218] should_fail+0x3c0/0x51c [ 57.240029][ T5218] __should_failslab+0xbc/0x10c [ 57.240748][ T5218] should_failslab+0x10/0x28 [ 57.241423][ T5218] slab_pre_alloc_hook+0x64/0xec [ 57.242118][ T5218] kmem_cache_alloc+0x94/0x3e4 [ 57.242793][ T5218] btrfs_alloc_path+0x5c/0x68 [ 57.243471][ T5218] btrfs_check_dir_item_collision+0x90/0x2d0 [ 57.244412][ T5218] btrfs_rename2+0x14cc/0x30c0 [ 57.245111][ T5218] vfs_rename+0x954/0xdcc [ 57.245774][ T5218] do_renameat2+0x74c/0xcdc [ 57.246506][ T5218] __arm64_sys_renameat2+0xe0/0xfc [ 57.247346][ T5218] invoke_syscall+0x98/0x2b8 [ 57.248108][ T5218] el0_svc_common+0x138/0x258 [ 57.248836][ T5218] do_el0_svc+0x58/0x14c [ 57.249564][ T5218] el0_svc+0x78/0x1e0 [ 57.250237][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 57.250977][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 57.427238][ T5239] loop0: detected capacity change from 0 to 32768 [ 57.429649][ T5239] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5239) [ 57.433260][ T5239] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.435106][ T5239] BTRFS info (device loop0): using free space tree [ 57.436117][ T5239] BTRFS info (device loop0): has skinny extents [ 57.454511][ T5239] BTRFS info (device loop0): enabling ssd optimizations [ 57.460081][ T5239] FAULT_INJECTION: forcing a failure. [ 57.460081][ T5239] name failslab, interval 1, probability 0, space 0, times 0 [ 57.463082][ T5239] CPU: 0 PID: 5239 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.464585][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.466278][ T5239] Call trace: [ 57.466852][ T5239] dump_backtrace+0x0/0x43c [ 57.467644][ T5239] show_stack+0x2c/0x3c [ 57.468335][ T5239] __dump_stack+0x30/0x40 [ 57.469063][ T5239] dump_stack_lvl+0xf8/0x160 [ 57.469792][ T5239] dump_stack+0x1c/0x5c [ 57.470443][ T5239] should_fail+0x3c0/0x51c [ 57.471204][ T5239] __should_failslab+0xbc/0x10c [ 57.472030][ T5239] should_failslab+0x10/0x28 [ 57.472758][ T5239] slab_pre_alloc_hook+0x64/0xec [ 57.473537][ T5239] kmem_cache_alloc+0x94/0x3e4 [ 57.474350][ T5239] start_transaction+0x4d0/0x13f0 [ 57.475110][ T5239] btrfs_start_transaction+0x34/0x44 [ 57.475886][ T5239] btrfs_rename2+0x15f8/0x30c0 [ 57.476629][ T5239] vfs_rename+0x954/0xdcc [ 57.477278][ T5239] do_renameat2+0x74c/0xcdc [ 57.477935][ T5239] __arm64_sys_renameat2+0xe0/0xfc [ 57.478794][ T5239] invoke_syscall+0x98/0x2b8 [ 57.479578][ T5239] el0_svc_common+0x138/0x258 [ 57.480315][ T5239] do_el0_svc+0x58/0x14c [ 57.481018][ T5239] el0_svc+0x78/0x1e0 [ 57.481650][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 57.482462][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 57.693108][ T5260] loop0: detected capacity change from 0 to 32768 [ 57.696237][ T5260] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5260) [ 57.699531][ T5260] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.701074][ T4531] Bluetooth: hci0: command 0x0419 tx timeout [ 57.702449][ T5260] BTRFS info (device loop0): using free space tree [ 57.703579][ T5260] BTRFS info (device loop0): has skinny extents [ 57.715861][ T5260] BTRFS info (device loop0): enabling ssd optimizations [ 57.721098][ T5260] FAULT_INJECTION: forcing a failure. [ 57.721098][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 57.723317][ T5260] CPU: 1 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.724738][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.726192][ T5260] Call trace: [ 57.726696][ T5260] dump_backtrace+0x0/0x43c [ 57.727359][ T5260] show_stack+0x2c/0x3c [ 57.728020][ T5260] __dump_stack+0x30/0x40 [ 57.728643][ T5260] dump_stack_lvl+0xf8/0x160 [ 57.729367][ T5260] dump_stack+0x1c/0x5c [ 57.729967][ T5260] should_fail+0x3c0/0x51c [ 57.730601][ T5260] __should_failslab+0xbc/0x10c [ 57.731390][ T5260] should_failslab+0x10/0x28 [ 57.732059][ T5260] slab_pre_alloc_hook+0x64/0xec [ 57.732849][ T5260] kmem_cache_alloc+0x94/0x3e4 [ 57.733582][ T5260] btrfs_alloc_path+0x5c/0x68 [ 57.734271][ T5260] __btrfs_unlink_inode+0x1d8/0xb00 [ 57.735106][ T5260] btrfs_rename2+0x1c18/0x30c0 [ 57.735843][ T5260] vfs_rename+0x954/0xdcc [ 57.736556][ T5260] do_renameat2+0x74c/0xcdc [ 57.737259][ T5260] __arm64_sys_renameat2+0xe0/0xfc [ 57.738049][ T5260] invoke_syscall+0x98/0x2b8 [ 57.738720][ T5260] el0_svc_common+0x138/0x258 [ 57.739393][ T5260] do_el0_svc+0x58/0x14c [ 57.740027][ T5260] el0_svc+0x78/0x1e0 [ 57.740608][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 57.741376][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 57.743361][ T5260] ------------[ cut here ]------------ [ 57.744307][ T5260] WARNING: CPU: 1 PID: 5260 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 57.745787][ T5260] Modules linked in: [ 57.746417][ T5260] CPU: 1 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.747974][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.749601][ T5260] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.750885][ T5260] pc : btrfs_rename2+0x26c8/0x30c0 [ 57.751692][ T5260] lr : btrfs_rename2+0x26c8/0x30c0 [ 57.752497][ T5260] sp : ffff800020e07870 [ 57.753134][ T5260] x29: ffff800020e07980 x28: ffff0000dccd07a8 x27: 0000000000000000 [ 57.754407][ T5260] x26: dfff800000000000 x25: ffff0000e1dc1860 x24: ffff0000d9e3a000 [ 57.755646][ T5260] x23: ffff0000e1dc13a0 x22: ffff8000141ffd40 x21: 1fffe0001b9dd0a5 [ 57.756948][ T5260] x20: ffff0000dcee8528 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.758233][ T5260] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 57.759507][ T5260] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.760861][ T5260] x11: 0000000000000000 x10: 0000000000000000 x9 : 2b8178ae1ac2af00 [ 57.762222][ T5260] x8 : 2b8178ae1ac2af00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.763526][ T5260] x5 : ffff800020e07158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 57.764809][ T5260] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.766153][ T5260] Call trace: [ 57.766716][ T5260] btrfs_rename2+0x26c8/0x30c0 [ 57.767505][ T5260] vfs_rename+0x954/0xdcc [ 57.768194][ T5260] do_renameat2+0x74c/0xcdc [ 57.768908][ T5260] __arm64_sys_renameat2+0xe0/0xfc [ 57.769729][ T5260] invoke_syscall+0x98/0x2b8 [ 57.770460][ T5260] el0_svc_common+0x138/0x258 [ 57.771183][ T5260] do_el0_svc+0x58/0x14c [ 57.771878][ T5260] el0_svc+0x78/0x1e0 [ 57.772498][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 57.773296][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 57.774011][ T5260] irq event stamp: 80494 [ 57.774649][ T5260] hardirqs last enabled at (80493): [] __up_console_sem+0xb4/0x100 [ 57.776095][ T5260] hardirqs last disabled at (80494): [] el1_dbg+0x24/0x80 [ 57.777444][ T5260] softirqs last enabled at (80474): [] handle_softirqs+0xa4c/0xbf0 [ 57.778918][ T5260] softirqs last disabled at (80461): [] __irq_exit_rcu+0x240/0x440 [ 57.780337][ T5260] ---[ end trace 85e41d5a8fb1170b ]--- [ 57.782111][ T5260] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.783599][ T5260] BTRFS info (device loop0): forced readonly [ 57.988490][ T5281] loop0: detected capacity change from 0 to 32768 [ 57.991138][ T5281] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5281) [ 57.995571][ T5281] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.997092][ T5281] BTRFS info (device loop0): using free space tree [ 57.997997][ T5281] BTRFS info (device loop0): has skinny extents [ 58.011188][ T5281] BTRFS info (device loop0): enabling ssd optimizations [ 58.015895][ T5281] FAULT_INJECTION: forcing a failure. [ 58.015895][ T5281] name failslab, interval 1, probability 0, space 0, times 0 [ 58.017914][ T5281] CPU: 1 PID: 5281 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.019299][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.020803][ T5281] Call trace: [ 58.021309][ T5281] dump_backtrace+0x0/0x43c [ 58.022052][ T5281] show_stack+0x2c/0x3c [ 58.022732][ T5281] __dump_stack+0x30/0x40 [ 58.023382][ T5281] dump_stack_lvl+0xf8/0x160 [ 58.024139][ T5281] dump_stack+0x1c/0x5c [ 58.024814][ T5281] should_fail+0x3c0/0x51c [ 58.025527][ T5281] __should_failslab+0xbc/0x10c [ 58.026303][ T5281] should_failslab+0x10/0x28 [ 58.027040][ T5281] slab_pre_alloc_hook+0x64/0xec [ 58.027823][ T5281] kmem_cache_alloc+0x94/0x3e4 [ 58.028578][ T5281] btrfs_alloc_path+0x5c/0x68 [ 58.029355][ T5281] __btrfs_unlink_inode+0x1d8/0xb00 [ 58.030199][ T5281] btrfs_rename2+0x1c18/0x30c0 [ 58.030957][ T5281] vfs_rename+0x954/0xdcc [ 58.031634][ T5281] do_renameat2+0x74c/0xcdc [ 58.032362][ T5281] __arm64_sys_renameat2+0xe0/0xfc [ 58.033152][ T5281] invoke_syscall+0x98/0x2b8 [ 58.033866][ T5281] el0_svc_common+0x138/0x258 [ 58.034609][ T5281] do_el0_svc+0x58/0x14c [ 58.035302][ T5281] el0_svc+0x78/0x1e0 [ 58.035895][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 58.036642][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 58.038323][ T5281] ------------[ cut here ]------------ [ 58.039296][ T5281] WARNING: CPU: 1 PID: 5281 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 58.040624][ T5281] Modules linked in: [ 58.041189][ T5281] CPU: 1 PID: 5281 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.042666][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.044265][ T5281] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.045535][ T5281] pc : btrfs_rename2+0x26c8/0x30c0 [ 58.046318][ T5281] lr : btrfs_rename2+0x26c8/0x30c0 [ 58.047109][ T5281] sp : ffff800020fd7870 [ 58.047750][ T5281] x29: ffff800020fd7980 x28: ffff0000d8ee27a8 x27: 0000000000000000 [ 58.049054][ T5281] x26: dfff800000000000 x25: ffff0000e1dc3fa0 x24: ffff0000d38c4000 [ 58.050353][ T5281] x23: ffff0000e1dc3ae0 x22: ffff8000141ffd40 x21: 1fffe0001b9dd0e7 [ 58.051611][ T5281] x20: ffff0000dcee8738 x19: 00000000fffffff4 x18: 0000000000000001 [ 58.052903][ T5281] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 58.054180][ T5281] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.055398][ T5281] x11: 0000000000000000 x10: 0000000000000000 x9 : b48d780f12845e00 [ 58.056614][ T5281] x8 : b48d780f12845e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.057747][ T5281] x5 : ffff800020fd7158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 58.058962][ T5281] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.060205][ T5281] Call trace: [ 58.060733][ T5281] btrfs_rename2+0x26c8/0x30c0 [ 58.061510][ T5281] vfs_rename+0x954/0xdcc [ 58.062182][ T5281] do_renameat2+0x74c/0xcdc [ 58.062847][ T5281] __arm64_sys_renameat2+0xe0/0xfc [ 58.063596][ T5281] invoke_syscall+0x98/0x2b8 [ 58.064279][ T5281] el0_svc_common+0x138/0x258 [ 58.064975][ T5281] do_el0_svc+0x58/0x14c [ 58.065668][ T5281] el0_svc+0x78/0x1e0 [ 58.066357][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 58.067227][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 58.068040][ T5281] irq event stamp: 80624 [ 58.068805][ T5281] hardirqs last enabled at (80623): [] __up_console_sem+0xb4/0x100 [ 58.070406][ T5281] hardirqs last disabled at (80624): [] el1_dbg+0x24/0x80 [ 58.071807][ T5281] softirqs last enabled at (80604): [] handle_softirqs+0xa4c/0xbf0 [ 58.073358][ T5281] softirqs last disabled at (80587): [] __irq_exit_rcu+0x240/0x440 [ 58.074939][ T5281] ---[ end trace 85e41d5a8fb1170c ]--- [ 58.076703][ T5281] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 58.078151][ T5281] BTRFS info (device loop0): forced readonly [ 58.276554][ T5302] loop0: detected capacity change from 0 to 32768 [ 58.279020][ T5302] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5302) [ 58.282375][ T5302] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.284017][ T5302] BTRFS info (device loop0): using free space tree [ 58.284999][ T5302] BTRFS info (device loop0): has skinny extents [ 58.293869][ T5302] BTRFS info (device loop0): enabling ssd optimizations [ 58.299608][ T5302] FAULT_INJECTION: forcing a failure. [ 58.299608][ T5302] name failslab, interval 1, probability 0, space 0, times 0 [ 58.301902][ T5302] CPU: 0 PID: 5302 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.303371][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.304916][ T5302] Call trace: [ 58.305439][ T5302] dump_backtrace+0x0/0x43c [ 58.306147][ T5302] show_stack+0x2c/0x3c [ 58.306791][ T5302] __dump_stack+0x30/0x40 [ 58.307488][ T5302] dump_stack_lvl+0xf8/0x160 [ 58.308215][ T5302] dump_stack+0x1c/0x5c [ 58.308854][ T5302] should_fail+0x3c0/0x51c [ 58.309553][ T5302] __should_failslab+0xbc/0x10c [ 58.310300][ T5302] should_failslab+0x10/0x28 [ 58.311020][ T5302] slab_pre_alloc_hook+0x64/0xec [ 58.311783][ T5302] kmem_cache_alloc+0x94/0x3e4 [ 58.312502][ T5302] btrfs_alloc_path+0x5c/0x68 [ 58.313232][ T5302] __btrfs_unlink_inode+0x1d8/0xb00 [ 58.314009][ T5302] btrfs_rename2+0x1c18/0x30c0 [ 58.314743][ T5302] vfs_rename+0x954/0xdcc [ 58.315436][ T5302] do_renameat2+0x74c/0xcdc [ 58.316118][ T5302] __arm64_sys_renameat2+0xe0/0xfc [ 58.316903][ T5302] invoke_syscall+0x98/0x2b8 [ 58.317592][ T5302] el0_svc_common+0x138/0x258 [ 58.318335][ T5302] do_el0_svc+0x58/0x14c [ 58.319009][ T5302] el0_svc+0x78/0x1e0 [ 58.319647][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 58.320447][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 58.321310][ T5302] ------------[ cut here ]------------ [ 58.323391][ T5302] WARNING: CPU: 0 PID: 5302 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 58.324868][ T5302] Modules linked in: [ 58.325530][ T5302] CPU: 0 PID: 5302 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.326958][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.328446][ T5302] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.329640][ T5302] pc : btrfs_rename2+0x26c8/0x30c0 [ 58.330425][ T5302] lr : btrfs_rename2+0x26c8/0x30c0 [ 58.331187][ T5302] sp : ffff800020e07870 [ 58.331865][ T5302] x29: ffff800020e07980 x28: ffff0000dccc0630 x27: 0000000000000000 [ 58.333065][ T5302] x26: dfff800000000000 x25: ffff0000e1dc66e0 x24: ffff0000e4a28000 [ 58.334350][ T5302] x23: ffff0000e1dc6220 x22: ffff8000141ffd40 x21: 1fffe0001bd307c3 [ 58.335684][ T5302] x20: ffff0000de983e18 x19: 00000000fffffff4 x18: 0000000000000001 [ 58.337062][ T5302] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 58.338386][ T5302] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.339723][ T5302] x11: 0000000000000000 x10: 0000000000000000 x9 : be51920d04407100 [ 58.340944][ T5302] x8 : be51920d04407100 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.342171][ T5302] x5 : ffff800020e07158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 58.343427][ T5302] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.344641][ T5302] Call trace: [ 58.345089][ T5302] btrfs_rename2+0x26c8/0x30c0 [ 58.345782][ T5302] vfs_rename+0x954/0xdcc [ 58.346422][ T5302] do_renameat2+0x74c/0xcdc [ 58.347062][ T5302] __arm64_sys_renameat2+0xe0/0xfc [ 58.347807][ T5302] invoke_syscall+0x98/0x2b8 [ 58.348589][ T5302] el0_svc_common+0x138/0x258 [ 58.349318][ T5302] do_el0_svc+0x58/0x14c [ 58.350004][ T5302] el0_svc+0x78/0x1e0 [ 58.350617][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 58.351408][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 58.352079][ T5302] irq event stamp: 80408 [ 58.352730][ T5302] hardirqs last enabled at (80407): [] __up_console_sem+0xb4/0x100 [ 58.354330][ T5302] hardirqs last disabled at (80408): [] el1_dbg+0x24/0x80 [ 58.355763][ T5302] softirqs last enabled at (80384): [] handle_softirqs+0xa4c/0xbf0 [ 58.357285][ T5302] softirqs last disabled at (80295): [] __irq_exit_rcu+0x240/0x440 [ 58.358713][ T5302] ---[ end trace 85e41d5a8fb1170d ]--- [ 58.360025][ T5302] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 58.361412][ T5302] BTRFS info (device loop0): forced readonly [ 58.533185][ T5323] loop0: detected capacity change from 0 to 32768 [ 58.535754][ T5323] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5323) [ 58.538824][ T5323] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.540395][ T5323] BTRFS info (device loop0): using free space tree [ 58.541781][ T5323] BTRFS info (device loop0): has skinny extents [ 58.550348][ T5323] BTRFS info (device loop0): enabling ssd optimizations [ 58.556973][ T5323] FAULT_INJECTION: forcing a failure. [ 58.556973][ T5323] name failslab, interval 1, probability 0, space 0, times 0 [ 58.559113][ T5323] CPU: 1 PID: 5323 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.560613][ T5323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.562215][ T5323] Call trace: [ 58.562725][ T5323] dump_backtrace+0x0/0x43c [ 58.563400][ T5323] show_stack+0x2c/0x3c [ 58.564087][ T5323] __dump_stack+0x30/0x40 [ 58.564837][ T5323] dump_stack_lvl+0xf8/0x160 [ 58.565604][ T5323] dump_stack+0x1c/0x5c [ 58.566317][ T5323] should_fail+0x3c0/0x51c [ 58.567089][ T5323] __should_failslab+0xbc/0x10c [ 58.567904][ T5323] should_failslab+0x10/0x28 [ 58.568670][ T5323] slab_pre_alloc_hook+0x64/0xec [ 58.569507][ T5323] kmem_cache_alloc+0x94/0x3e4 [ 58.570290][ T5323] btrfs_alloc_path+0x5c/0x68 [ 58.571020][ T5323] __btrfs_unlink_inode+0x1d8/0xb00 [ 58.571865][ T5323] btrfs_rename2+0x1c18/0x30c0 [ 58.572612][ T5323] vfs_rename+0x954/0xdcc [ 58.573288][ T5323] do_renameat2+0x74c/0xcdc [ 58.573972][ T5323] __arm64_sys_renameat2+0xe0/0xfc [ 58.574744][ T5323] invoke_syscall+0x98/0x2b8 [ 58.575438][ T5323] el0_svc_common+0x138/0x258 [ 58.576147][ T5323] do_el0_svc+0x58/0x14c [ 58.576832][ T5323] el0_svc+0x78/0x1e0 [ 58.577450][ T5323] el0t_64_sync_handler+0xcc/0xe4 [ 58.578226][ T5323] el0t_64_sync+0x1a0/0x1a4 [ 58.580503][ T5323] ------------[ cut here ]------------ [ 58.581957][ T5323] WARNING: CPU: 1 PID: 5323 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 58.583245][ T5323] Modules linked in: [ 58.583898][ T5323] CPU: 1 PID: 5323 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.585302][ T5323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.586859][ T5323] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.588046][ T5323] pc : btrfs_rename2+0x26c8/0x30c0 [ 58.588784][ T5323] lr : btrfs_rename2+0x26c8/0x30c0 [ 58.589644][ T5323] sp : ffff800021157870 [ 58.590327][ T5323] x29: ffff800021157980 x28: ffff0000dcd28920 x27: 0000000000000000 [ 58.591737][ T5323] x26: dfff800000000000 x25: ffff0000de998e90 x24: ffff0000e50bc000 [ 58.593137][ T5323] x23: ffff0000de9989d0 x22: ffff8000141ffd40 x21: 1fffe0001b9dd13f [ 58.594565][ T5323] x20: ffff0000dcee89f8 x19: 00000000fffffff4 x18: 0000000000000001 [ 58.595950][ T5323] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 58.597263][ T5323] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.598696][ T5323] x11: 0000000000000000 x10: 0000000000000000 x9 : 51bed058952f4500 [ 58.600111][ T5323] x8 : 51bed058952f4500 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.601396][ T5323] x5 : ffff800021157158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 58.602674][ T5323] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.603940][ T5323] Call trace: [ 58.604442][ T5323] btrfs_rename2+0x26c8/0x30c0 [ 58.605258][ T5323] vfs_rename+0x954/0xdcc [ 58.606025][ T5323] do_renameat2+0x74c/0xcdc [ 58.606787][ T5323] __arm64_sys_renameat2+0xe0/0xfc [ 58.607668][ T5323] invoke_syscall+0x98/0x2b8 [ 58.608424][ T5323] el0_svc_common+0x138/0x258 [ 58.609182][ T5323] do_el0_svc+0x58/0x14c [ 58.609816][ T5323] el0_svc+0x78/0x1e0 [ 58.610453][ T5323] el0t_64_sync_handler+0xcc/0xe4 [ 58.611271][ T5323] el0t_64_sync+0x1a0/0x1a4 [ 58.611988][ T5323] irq event stamp: 80970 [ 58.612644][ T5323] hardirqs last enabled at (80969): [] __up_console_sem+0xb4/0x100 [ 58.614136][ T5323] hardirqs last disabled at (80970): [] el1_dbg+0x24/0x80 [ 58.615499][ T5323] softirqs last enabled at (80958): [] handle_softirqs+0xa4c/0xbf0 [ 58.617069][ T5323] softirqs last disabled at (80941): [] __irq_exit_rcu+0x240/0x440 [ 58.618506][ T5323] ---[ end trace 85e41d5a8fb1170e ]--- [ 58.621048][ T5323] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 58.622453][ T5323] BTRFS info (device loop0): forced readonly [ 58.813055][ T5344] loop0: detected capacity change from 0 to 32768 [ 58.815832][ T5344] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5344) [ 58.819013][ T5344] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.820582][ T5344] BTRFS info (device loop0): using free space tree [ 58.821712][ T5344] BTRFS info (device loop0): has skinny extents [ 58.838987][ T5344] BTRFS info (device loop0): enabling ssd optimizations [ 58.845462][ T5344] FAULT_INJECTION: forcing a failure. [ 58.845462][ T5344] name failslab, interval 1, probability 0, space 0, times 0 [ 58.847666][ T5344] CPU: 0 PID: 5344 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.849207][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 58.850857][ T5344] Call trace: [ 58.851379][ T5344] dump_backtrace+0x0/0x43c [ 58.852115][ T5344] show_stack+0x2c/0x3c [ 58.852782][ T5344] __dump_stack+0x30/0x40 [ 58.853443][ T5344] dump_stack_lvl+0xf8/0x160 [ 58.854255][ T5344] dump_stack+0x1c/0x5c [ 58.854923][ T5344] should_fail+0x3c0/0x51c [ 58.855635][ T5344] __should_failslab+0xbc/0x10c [ 58.856449][ T5344] should_failslab+0x10/0x28 [ 58.857185][ T5344] slab_pre_alloc_hook+0x64/0xec [ 58.857938][ T5344] kmem_cache_alloc+0x94/0x3e4 [ 58.858725][ T5344] btrfs_alloc_path+0x5c/0x68 [ 58.859502][ T5344] btrfs_insert_inode_ref+0xe8/0x9e0 [ 58.860359][ T5344] btrfs_rename2+0x1998/0x30c0 [ 58.861084][ T5344] vfs_rename+0x954/0xdcc [ 58.861713][ T5344] do_renameat2+0x74c/0xcdc [ 58.862380][ T5344] __arm64_sys_renameat2+0xe0/0xfc [ 58.863217][ T5344] invoke_syscall+0x98/0x2b8 [ 58.863912][ T5344] el0_svc_common+0x138/0x258 [ 58.864624][ T5344] do_el0_svc+0x58/0x14c [ 58.865289][ T5344] el0_svc+0x78/0x1e0 [ 58.865876][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 58.866628][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 59.046349][ T5365] loop0: detected capacity change from 0 to 32768 [ 59.050228][ T5365] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5365) [ 59.054818][ T5365] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.056485][ T5365] BTRFS info (device loop0): using free space tree [ 59.057459][ T5365] BTRFS info (device loop0): has skinny extents [ 59.065939][ T5365] BTRFS info (device loop0): enabling ssd optimizations [ 59.070929][ T5365] FAULT_INJECTION: forcing a failure. [ 59.070929][ T5365] name failslab, interval 1, probability 0, space 0, times 0 [ 59.073000][ T5365] CPU: 1 PID: 5365 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.074447][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.076060][ T5365] Call trace: [ 59.076608][ T5365] dump_backtrace+0x0/0x43c [ 59.077381][ T5365] show_stack+0x2c/0x3c [ 59.078070][ T5365] __dump_stack+0x30/0x40 [ 59.078753][ T5365] dump_stack_lvl+0xf8/0x160 [ 59.079568][ T5365] dump_stack+0x1c/0x5c [ 59.080266][ T5365] should_fail+0x3c0/0x51c [ 59.080969][ T5365] __should_failslab+0xbc/0x10c [ 59.081802][ T5365] should_failslab+0x10/0x28 [ 59.082598][ T5365] slab_pre_alloc_hook+0x64/0xec [ 59.083387][ T5365] kmem_cache_alloc+0x94/0x3e4 [ 59.084148][ T5365] btrfs_alloc_path+0x5c/0x68 [ 59.084911][ T5365] btrfs_insert_inode_ref+0xe8/0x9e0 [ 59.085794][ T5365] btrfs_rename2+0x1998/0x30c0 [ 59.086591][ T5365] vfs_rename+0x954/0xdcc [ 59.087293][ T5365] do_renameat2+0x74c/0xcdc [ 59.087989][ T5365] __arm64_sys_renameat2+0xe0/0xfc [ 59.088831][ T5365] invoke_syscall+0x98/0x2b8 [ 59.089555][ T5365] el0_svc_common+0x138/0x258 [ 59.090287][ T5365] do_el0_svc+0x58/0x14c [ 59.090964][ T5365] el0_svc+0x78/0x1e0 [ 59.091586][ T5365] el0t_64_sync_handler+0xcc/0xe4 [ 59.092362][ T5365] el0t_64_sync+0x1a0/0x1a4 [ 59.265929][ T5386] loop0: detected capacity change from 0 to 32768 [ 59.268883][ T5386] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5386) [ 59.273338][ T5386] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.278021][ T5386] BTRFS info (device loop0): using free space tree [ 59.280934][ T5386] BTRFS info (device loop0): has skinny extents [ 59.289184][ T5386] BTRFS info (device loop0): enabling ssd optimizations [ 59.299449][ T5386] FAULT_INJECTION: forcing a failure. [ 59.299449][ T5386] name failslab, interval 1, probability 0, space 0, times 0 [ 59.302248][ T5386] CPU: 0 PID: 5386 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.303661][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.305187][ T5386] Call trace: [ 59.305662][ T5386] dump_backtrace+0x0/0x43c [ 59.306422][ T5386] show_stack+0x2c/0x3c [ 59.307104][ T5386] __dump_stack+0x30/0x40 [ 59.307780][ T5386] dump_stack_lvl+0xf8/0x160 [ 59.308464][ T5386] dump_stack+0x1c/0x5c [ 59.309118][ T5386] should_fail+0x3c0/0x51c [ 59.309785][ T5386] __should_failslab+0xbc/0x10c [ 59.310542][ T5386] should_failslab+0x10/0x28 [ 59.311203][ T5386] slab_pre_alloc_hook+0x64/0xec [ 59.311948][ T5386] kmem_cache_alloc+0x94/0x3e4 [ 59.312699][ T5386] btrfs_alloc_path+0x5c/0x68 [ 59.313379][ T5386] __btrfs_unlink_inode+0x1d8/0xb00 [ 59.314140][ T5386] btrfs_rename2+0x1c18/0x30c0 [ 59.314855][ T5386] vfs_rename+0x954/0xdcc [ 59.315487][ T5386] do_renameat2+0x74c/0xcdc [ 59.316175][ T5386] __arm64_sys_renameat2+0xe0/0xfc [ 59.316932][ T5386] invoke_syscall+0x98/0x2b8 [ 59.317660][ T5386] el0_svc_common+0x138/0x258 [ 59.318406][ T5386] do_el0_svc+0x58/0x14c [ 59.319091][ T5386] el0_svc+0x78/0x1e0 [ 59.319710][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 59.320447][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 59.323265][ T5386] ------------[ cut here ]------------ [ 59.324251][ T5386] WARNING: CPU: 0 PID: 5386 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 59.325653][ T5386] Modules linked in: [ 59.326222][ T5386] CPU: 0 PID: 5386 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.327524][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.329023][ T5386] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.330255][ T5386] pc : btrfs_rename2+0x26c8/0x30c0 [ 59.331016][ T5386] lr : btrfs_rename2+0x26c8/0x30c0 [ 59.331835][ T5386] sp : ffff800021947870 [ 59.332490][ T5386] x29: ffff800021947980 x28: ffff0000e1c767a8 x27: 0000000000000000 [ 59.333747][ T5386] x26: dfff800000000000 x25: ffff0000e1d9bfa0 x24: ffff0000c2f1a000 [ 59.335159][ T5386] x23: ffff0000e1d9bae0 x22: ffff8000141ffd40 x21: 1fffe0001bd1f663 [ 59.336559][ T5386] x20: ffff0000de8fb318 x19: 00000000fffffff4 x18: 0000000000000001 [ 59.337881][ T5386] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 59.339100][ T5386] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.340381][ T5386] x11: 0000000000000000 x10: 0000000000000000 x9 : cbc9fd9265047600 [ 59.341660][ T5386] x8 : cbc9fd9265047600 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.342872][ T5386] x5 : ffff800021947158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 59.344195][ T5386] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.345458][ T5386] Call trace: [ 59.345947][ T5386] btrfs_rename2+0x26c8/0x30c0 [ 59.346688][ T5386] vfs_rename+0x954/0xdcc [ 59.347320][ T5386] do_renameat2+0x74c/0xcdc [ 59.348015][ T5386] __arm64_sys_renameat2+0xe0/0xfc [ 59.348847][ T5386] invoke_syscall+0x98/0x2b8 [ 59.349554][ T5386] el0_svc_common+0x138/0x258 [ 59.350326][ T5386] do_el0_svc+0x58/0x14c [ 59.350987][ T5386] el0_svc+0x78/0x1e0 [ 59.351618][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 59.352372][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 59.353160][ T5386] irq event stamp: 80170 [ 59.353869][ T5386] hardirqs last enabled at (80169): [] __up_console_sem+0xb4/0x100 [ 59.355241][ T5386] hardirqs last disabled at (80170): [] el1_dbg+0x24/0x80 [ 59.356628][ T5386] softirqs last enabled at (80150): [] handle_softirqs+0xa4c/0xbf0 [ 59.358160][ T5386] softirqs last disabled at (80135): [] __irq_exit_rcu+0x240/0x440 [ 59.359634][ T5386] ---[ end trace 85e41d5a8fb1170f ]--- [ 59.363237][ T5386] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 59.364697][ T5386] BTRFS info (device loop0): forced readonly [ 59.544519][ T5407] loop0: detected capacity change from 0 to 32768 [ 59.546876][ T5407] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5407) [ 59.550785][ T5407] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.552665][ T5407] BTRFS info (device loop0): using free space tree [ 59.553622][ T5407] BTRFS info (device loop0): has skinny extents [ 59.571202][ T5407] BTRFS info (device loop0): enabling ssd optimizations [ 59.576553][ T5407] FAULT_INJECTION: forcing a failure. [ 59.576553][ T5407] name failslab, interval 1, probability 0, space 0, times 0 [ 59.578677][ T5407] CPU: 1 PID: 5407 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.580040][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.581602][ T5407] Call trace: [ 59.582109][ T5407] dump_backtrace+0x0/0x43c [ 59.582807][ T5407] show_stack+0x2c/0x3c [ 59.583416][ T5407] __dump_stack+0x30/0x40 [ 59.584058][ T5407] dump_stack_lvl+0xf8/0x160 [ 59.584737][ T5407] dump_stack+0x1c/0x5c [ 59.585353][ T5407] should_fail+0x3c0/0x51c [ 59.585992][ T5407] __should_failslab+0xbc/0x10c [ 59.586682][ T5407] should_failslab+0x10/0x28 [ 59.587324][ T5407] slab_pre_alloc_hook+0x64/0xec [ 59.588006][ T5407] kmem_cache_alloc+0x94/0x3e4 [ 59.588693][ T5407] btrfs_alloc_path+0x5c/0x68 [ 59.589375][ T5407] btrfs_insert_inode_ref+0xe8/0x9e0 [ 59.590161][ T5407] btrfs_rename2+0x1998/0x30c0 [ 59.590914][ T5407] vfs_rename+0x954/0xdcc [ 59.591552][ T5407] do_renameat2+0x74c/0xcdc [ 59.592292][ T5407] __arm64_sys_renameat2+0xe0/0xfc [ 59.593094][ T5407] invoke_syscall+0x98/0x2b8 [ 59.593840][ T5407] el0_svc_common+0x138/0x258 [ 59.594556][ T5407] do_el0_svc+0x58/0x14c [ 59.595243][ T5407] el0_svc+0x78/0x1e0 [ 59.595898][ T5407] el0t_64_sync_handler+0xcc/0xe4 [ 59.596697][ T5407] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:59 executed programs: 33 [ 59.806702][ T5428] loop0: detected capacity change from 0 to 32768 [ 59.809395][ T5428] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5428) [ 59.814323][ T5428] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.815864][ T5428] BTRFS info (device loop0): using free space tree [ 59.816842][ T5428] BTRFS info (device loop0): has skinny extents [ 59.825978][ T5428] BTRFS info (device loop0): enabling ssd optimizations [ 59.833007][ T5428] FAULT_INJECTION: forcing a failure. [ 59.833007][ T5428] name failslab, interval 1, probability 0, space 0, times 0 [ 59.835190][ T5428] CPU: 0 PID: 5428 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.836627][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.838168][ T5428] Call trace: [ 59.838668][ T5428] dump_backtrace+0x0/0x43c [ 59.839328][ T5428] show_stack+0x2c/0x3c [ 59.839967][ T5428] __dump_stack+0x30/0x40 [ 59.840623][ T5428] dump_stack_lvl+0xf8/0x160 [ 59.841408][ T5428] dump_stack+0x1c/0x5c [ 59.842053][ T5428] should_fail+0x3c0/0x51c [ 59.842760][ T5428] __should_failslab+0xbc/0x10c [ 59.843521][ T5428] should_failslab+0x10/0x28 [ 59.844233][ T5428] slab_pre_alloc_hook+0x64/0xec [ 59.844967][ T5428] kmem_cache_alloc+0x94/0x3e4 [ 59.845678][ T5428] start_transaction+0x4d0/0x13f0 [ 59.846411][ T5428] btrfs_start_transaction+0x34/0x44 [ 59.847195][ T5428] btrfs_rename2+0x15f8/0x30c0 [ 59.847877][ T5428] vfs_rename+0x954/0xdcc [ 59.848561][ T5428] do_renameat2+0x74c/0xcdc [ 59.849269][ T5428] __arm64_sys_renameat2+0xe0/0xfc [ 59.850052][ T5428] invoke_syscall+0x98/0x2b8 [ 59.850727][ T5428] el0_svc_common+0x138/0x258 [ 59.851457][ T5428] do_el0_svc+0x58/0x14c [ 59.852104][ T5428] el0_svc+0x78/0x1e0 [ 59.852718][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 59.853489][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 60.054496][ T5449] loop0: detected capacity change from 0 to 32768 [ 60.057280][ T5449] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5449) [ 60.061527][ T5449] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.063493][ T5449] BTRFS info (device loop0): using free space tree [ 60.064457][ T5449] BTRFS info (device loop0): has skinny extents [ 60.072201][ T5449] BTRFS info (device loop0): enabling ssd optimizations [ 60.077202][ T5449] FAULT_INJECTION: forcing a failure. [ 60.077202][ T5449] name failslab, interval 1, probability 0, space 0, times 0 [ 60.079267][ T5449] CPU: 0 PID: 5449 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.080782][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.082457][ T5449] Call trace: [ 60.083035][ T5449] dump_backtrace+0x0/0x43c [ 60.083814][ T5449] show_stack+0x2c/0x3c [ 60.084532][ T5449] __dump_stack+0x30/0x40 [ 60.085306][ T5449] dump_stack_lvl+0xf8/0x160 [ 60.086114][ T5449] dump_stack+0x1c/0x5c [ 60.086792][ T5449] should_fail+0x3c0/0x51c [ 60.087553][ T5449] __should_failslab+0xbc/0x10c [ 60.088343][ T5449] should_failslab+0x10/0x28 [ 60.089054][ T5449] slab_pre_alloc_hook+0x64/0xec [ 60.089831][ T5449] kmem_cache_alloc+0x94/0x3e4 [ 60.090562][ T5449] btrfs_alloc_path+0x5c/0x68 [ 60.091258][ T5449] __btrfs_unlink_inode+0x1d8/0xb00 [ 60.092042][ T5449] btrfs_rename2+0x1c18/0x30c0 [ 60.092779][ T5449] vfs_rename+0x954/0xdcc [ 60.093425][ T5449] do_renameat2+0x74c/0xcdc [ 60.094114][ T5449] __arm64_sys_renameat2+0xe0/0xfc [ 60.094919][ T5449] invoke_syscall+0x98/0x2b8 [ 60.095635][ T5449] el0_svc_common+0x138/0x258 [ 60.096409][ T5449] do_el0_svc+0x58/0x14c [ 60.097070][ T5449] el0_svc+0x78/0x1e0 [ 60.097713][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 60.098556][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 60.100821][ T5449] ------------[ cut here ]------------ [ 60.102000][ T5449] WARNING: CPU: 0 PID: 5449 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 60.103390][ T5449] Modules linked in: [ 60.104001][ T5449] CPU: 0 PID: 5449 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.105351][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.106839][ T5449] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.107915][ T5449] pc : btrfs_rename2+0x26c8/0x30c0 [ 60.108658][ T5449] lr : btrfs_rename2+0x26c8/0x30c0 [ 60.109397][ T5449] sp : ffff800021bf7870 [ 60.109981][ T5449] x29: ffff800021bf7980 x28: ffff0000dcd88920 x27: 0000000000000000 [ 60.111302][ T5449] x26: dfff800000000000 x25: ffff0000deae1860 x24: ffff0000dd25e000 [ 60.112626][ T5449] x23: ffff0000deae13a0 x22: ffff8000141ffd40 x21: 1fffe0001bd1f6bb [ 60.114001][ T5449] x20: ffff0000de8fb5d8 x19: 00000000fffffff4 x18: 0000000000000001 [ 60.115344][ T5449] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 60.116652][ T5449] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.117950][ T5449] x11: 0000000000000000 x10: 0000000000000000 x9 : 2d2312679eedbe00 [ 60.119242][ T5449] x8 : 2d2312679eedbe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.120532][ T5449] x5 : ffff800021bf7158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 60.121861][ T5449] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.123251][ T5449] Call trace: [ 60.123759][ T5449] btrfs_rename2+0x26c8/0x30c0 [ 60.124508][ T5449] vfs_rename+0x954/0xdcc [ 60.125201][ T5449] do_renameat2+0x74c/0xcdc [ 60.125912][ T5449] __arm64_sys_renameat2+0xe0/0xfc [ 60.126716][ T5449] invoke_syscall+0x98/0x2b8 [ 60.127415][ T5449] el0_svc_common+0x138/0x258 [ 60.128156][ T5449] do_el0_svc+0x58/0x14c [ 60.128821][ T5449] el0_svc+0x78/0x1e0 [ 60.129470][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 60.130220][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 60.130943][ T5449] irq event stamp: 81680 [ 60.131597][ T5449] hardirqs last enabled at (81679): [] __up_console_sem+0xb4/0x100 [ 60.133067][ T5449] hardirqs last disabled at (81680): [] el1_dbg+0x24/0x80 [ 60.134394][ T5449] softirqs last enabled at (81668): [] handle_softirqs+0xa4c/0xbf0 [ 60.136001][ T5449] softirqs last disabled at (81553): [] __irq_exit_rcu+0x240/0x440 [ 60.137677][ T5449] ---[ end trace 85e41d5a8fb11710 ]--- [ 60.139380][ T5449] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 60.140737][ T5449] BTRFS info (device loop0): forced readonly [ 60.333812][ T5470] loop0: detected capacity change from 0 to 32768 [ 60.336248][ T5470] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5470) [ 60.341869][ T5470] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.343961][ T5470] BTRFS info (device loop0): using free space tree [ 60.345255][ T5470] BTRFS info (device loop0): has skinny extents [ 60.365526][ T5470] BTRFS info (device loop0): enabling ssd optimizations [ 60.372545][ T5470] FAULT_INJECTION: forcing a failure. [ 60.372545][ T5470] name failslab, interval 1, probability 0, space 0, times 0 [ 60.374754][ T5470] CPU: 0 PID: 5470 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.376339][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.378059][ T5470] Call trace: [ 60.378590][ T5470] dump_backtrace+0x0/0x43c [ 60.379315][ T5470] show_stack+0x2c/0x3c [ 60.379929][ T5470] __dump_stack+0x30/0x40 [ 60.380566][ T5470] dump_stack_lvl+0xf8/0x160 [ 60.381215][ T5470] dump_stack+0x1c/0x5c [ 60.381919][ T5470] should_fail+0x3c0/0x51c [ 60.382663][ T5470] __should_failslab+0xbc/0x10c [ 60.383442][ T5470] should_failslab+0x10/0x28 [ 60.384126][ T5470] slab_pre_alloc_hook+0x64/0xec [ 60.384885][ T5470] kmem_cache_alloc+0x94/0x3e4 [ 60.385695][ T5470] start_transaction+0x4d0/0x13f0 [ 60.386616][ T5470] btrfs_start_transaction+0x34/0x44 [ 60.387544][ T5470] btrfs_rename2+0x15f8/0x30c0 [ 60.388291][ T5470] vfs_rename+0x954/0xdcc [ 60.388981][ T5470] do_renameat2+0x74c/0xcdc [ 60.389659][ T5470] __arm64_sys_renameat2+0xe0/0xfc [ 60.390433][ T5470] invoke_syscall+0x98/0x2b8 [ 60.391140][ T5470] el0_svc_common+0x138/0x258 [ 60.391831][ T5470] do_el0_svc+0x58/0x14c [ 60.392533][ T5470] el0_svc+0x78/0x1e0 [ 60.393124][ T5470] el0t_64_sync_handler+0xcc/0xe4 [ 60.393937][ T5470] el0t_64_sync+0x1a0/0x1a4 [ 60.574704][ T5491] loop0: detected capacity change from 0 to 32768 [ 60.578510][ T5491] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5491) [ 60.584290][ T5491] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.585941][ T5491] BTRFS info (device loop0): using free space tree [ 60.587138][ T5491] BTRFS info (device loop0): has skinny extents [ 60.596683][ T5491] BTRFS info (device loop0): enabling ssd optimizations [ 60.607582][ T5491] FAULT_INJECTION: forcing a failure. [ 60.607582][ T5491] name failslab, interval 1, probability 0, space 0, times 0 [ 60.609566][ T5491] CPU: 0 PID: 5491 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.610879][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.612476][ T5491] Call trace: [ 60.613028][ T5491] dump_backtrace+0x0/0x43c [ 60.613755][ T5491] show_stack+0x2c/0x3c [ 60.614429][ T5491] __dump_stack+0x30/0x40 [ 60.615126][ T5491] dump_stack_lvl+0xf8/0x160 [ 60.615844][ T5491] dump_stack+0x1c/0x5c [ 60.616503][ T5491] should_fail+0x3c0/0x51c [ 60.617218][ T5491] __should_failslab+0xbc/0x10c [ 60.617972][ T5491] should_failslab+0x10/0x28 [ 60.618695][ T5491] slab_pre_alloc_hook+0x64/0xec [ 60.619426][ T5491] kmem_cache_alloc+0x94/0x3e4 [ 60.620150][ T5491] btrfs_alloc_path+0x5c/0x68 [ 60.620813][ T5491] __btrfs_unlink_inode+0x1d8/0xb00 [ 60.621591][ T5491] btrfs_rename2+0x1c18/0x30c0 [ 60.622256][ T5491] vfs_rename+0x954/0xdcc [ 60.622884][ T5491] do_renameat2+0x74c/0xcdc [ 60.623532][ T5491] __arm64_sys_renameat2+0xe0/0xfc [ 60.624278][ T5491] invoke_syscall+0x98/0x2b8 [ 60.624928][ T5491] el0_svc_common+0x138/0x258 [ 60.625635][ T5491] do_el0_svc+0x58/0x14c [ 60.626320][ T5491] el0_svc+0x78/0x1e0 [ 60.626920][ T5491] el0t_64_sync_handler+0xcc/0xe4 [ 60.627656][ T5491] el0t_64_sync+0x1a0/0x1a4 [ 60.630774][ T5491] ------------[ cut here ]------------ [ 60.631738][ T5491] WARNING: CPU: 0 PID: 5491 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 60.633071][ T5491] Modules linked in: [ 60.633719][ T5491] CPU: 0 PID: 5491 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.635143][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.636717][ T5491] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.637909][ T5491] pc : btrfs_rename2+0x26c8/0x30c0 [ 60.638665][ T5491] lr : btrfs_rename2+0x26c8/0x30c0 [ 60.639396][ T5491] sp : ffff800021e97870 [ 60.639975][ T5491] x29: ffff800021e97980 x28: ffff0000dcde3078 x27: 0000000000000000 [ 60.641203][ T5491] x26: dfff800000000000 x25: ffff0000e1c88e90 x24: ffff0000d1938000 [ 60.642553][ T5491] x23: ffff0000e1c889d0 x22: ffff8000141ffd40 x21: 1fffe0001bd1f7c3 [ 60.643886][ T5491] x20: ffff0000de8fbe18 x19: 00000000fffffff4 x18: 0000000000000001 [ 60.645153][ T5491] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 60.646538][ T5491] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.647816][ T5491] x11: 0000000000000000 x10: 0000000000000000 x9 : 5049c0fd9e218b00 [ 60.649072][ T5491] x8 : 5049c0fd9e218b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.650398][ T5491] x5 : ffff800021e97158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 60.651587][ T5491] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.652875][ T5491] Call trace: [ 60.653362][ T5491] btrfs_rename2+0x26c8/0x30c0 [ 60.654127][ T5491] vfs_rename+0x954/0xdcc [ 60.654788][ T5491] do_renameat2+0x74c/0xcdc [ 60.655519][ T5491] __arm64_sys_renameat2+0xe0/0xfc [ 60.656295][ T5491] invoke_syscall+0x98/0x2b8 [ 60.657045][ T5491] el0_svc_common+0x138/0x258 [ 60.657773][ T5491] do_el0_svc+0x58/0x14c [ 60.658389][ T5491] el0_svc+0x78/0x1e0 [ 60.658975][ T5491] el0t_64_sync_handler+0xcc/0xe4 [ 60.659772][ T5491] el0t_64_sync+0x1a0/0x1a4 [ 60.660459][ T5491] irq event stamp: 79992 [ 60.661095][ T5491] hardirqs last enabled at (79991): [] __up_console_sem+0xb4/0x100 [ 60.662673][ T5491] hardirqs last disabled at (79992): [] el1_dbg+0x24/0x80 [ 60.664039][ T5491] softirqs last enabled at (79970): [] handle_softirqs+0xa4c/0xbf0 [ 60.665530][ T5491] softirqs last disabled at (79805): [] __irq_exit_rcu+0x240/0x440 [ 60.666900][ T5491] ---[ end trace 85e41d5a8fb11711 ]--- [ 60.670197][ T5491] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 60.671633][ T5491] BTRFS info (device loop0): forced readonly [ 60.843529][ T5512] loop0: detected capacity change from 0 to 32768 [ 60.846629][ T5512] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5512) [ 60.851881][ T5512] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.853549][ T5512] BTRFS info (device loop0): using free space tree [ 60.854529][ T5512] BTRFS info (device loop0): has skinny extents [ 60.864141][ T5512] BTRFS info (device loop0): enabling ssd optimizations [ 60.869454][ T5512] FAULT_INJECTION: forcing a failure. [ 60.869454][ T5512] name failslab, interval 1, probability 0, space 0, times 0 [ 60.871800][ T5512] CPU: 0 PID: 5512 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.873226][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.874828][ T5512] Call trace: [ 60.875354][ T5512] dump_backtrace+0x0/0x43c [ 60.876060][ T5512] show_stack+0x2c/0x3c [ 60.876731][ T5512] __dump_stack+0x30/0x40 [ 60.877413][ T5512] dump_stack_lvl+0xf8/0x160 [ 60.878131][ T5512] dump_stack+0x1c/0x5c [ 60.878755][ T5512] should_fail+0x3c0/0x51c [ 60.879431][ T5512] __should_failslab+0xbc/0x10c [ 60.880158][ T5512] should_failslab+0x10/0x28 [ 60.880869][ T5512] slab_pre_alloc_hook+0x64/0xec [ 60.881583][ T5512] kmem_cache_alloc+0x94/0x3e4 [ 60.882253][ T5512] btrfs_alloc_path+0x5c/0x68 [ 60.882914][ T5512] __btrfs_unlink_inode+0x1d8/0xb00 [ 60.883680][ T5512] btrfs_rename2+0x1c18/0x30c0 [ 60.884370][ T5512] vfs_rename+0x954/0xdcc [ 60.884974][ T5512] do_renameat2+0x74c/0xcdc [ 60.885655][ T5512] __arm64_sys_renameat2+0xe0/0xfc [ 60.886415][ T5512] invoke_syscall+0x98/0x2b8 [ 60.887136][ T5512] el0_svc_common+0x138/0x258 [ 60.887817][ T5512] do_el0_svc+0x58/0x14c [ 60.888471][ T5512] el0_svc+0x78/0x1e0 [ 60.889056][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 60.889810][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 60.891283][ T5512] ------------[ cut here ]------------ [ 60.892261][ T5512] WARNING: CPU: 0 PID: 5512 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 60.893606][ T5512] Modules linked in: [ 60.894188][ T5512] CPU: 0 PID: 5512 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.895424][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.896896][ T5512] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.898190][ T5512] pc : btrfs_rename2+0x26c8/0x30c0 [ 60.899038][ T5512] lr : btrfs_rename2+0x26c8/0x30c0 [ 60.899897][ T5512] sp : ffff800021f67870 [ 60.900599][ T5512] x29: ffff800021f67980 x28: ffff0000dce2ca98 x27: 0000000000000000 [ 60.901901][ T5512] x26: dfff800000000000 x25: ffff0000e1c8a230 x24: ffff0000d0694000 [ 60.903194][ T5512] x23: ffff0000e1c89d70 x22: ffff8000141ffd40 x21: 1fffe0001bd1f781 [ 60.904406][ T5512] x20: ffff0000de8fbc08 x19: 00000000fffffff4 x18: 0000000000000001 [ 60.905647][ T5512] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 60.906974][ T5512] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.908224][ T5512] x11: 0000000000000000 x10: 0000000000000000 x9 : a42ef75281ebc700 [ 60.909502][ T5512] x8 : a42ef75281ebc700 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.910752][ T5512] x5 : ffff800021f67158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 60.912081][ T5512] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.913304][ T5512] Call trace: [ 60.913797][ T5512] btrfs_rename2+0x26c8/0x30c0 [ 60.914516][ T5512] vfs_rename+0x954/0xdcc [ 60.915167][ T5512] do_renameat2+0x74c/0xcdc [ 60.915883][ T5512] __arm64_sys_renameat2+0xe0/0xfc [ 60.916733][ T5512] invoke_syscall+0x98/0x2b8 [ 60.917491][ T5512] el0_svc_common+0x138/0x258 [ 60.918228][ T5512] do_el0_svc+0x58/0x14c [ 60.918869][ T5512] el0_svc+0x78/0x1e0 [ 60.919476][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 60.920255][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 60.920962][ T5512] irq event stamp: 80874 [ 60.921617][ T5512] hardirqs last enabled at (80873): [] __up_console_sem+0xb4/0x100 [ 60.923072][ T5512] hardirqs last disabled at (80874): [] el1_dbg+0x24/0x80 [ 60.924410][ T5512] softirqs last enabled at (80854): [] handle_softirqs+0xa4c/0xbf0 [ 60.925872][ T5512] softirqs last disabled at (80705): [] __irq_exit_rcu+0x240/0x440 [ 60.927280][ T5512] ---[ end trace 85e41d5a8fb11712 ]--- [ 60.929120][ T5512] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 60.930582][ T5512] BTRFS info (device loop0): forced readonly [ 61.112217][ T5533] loop0: detected capacity change from 0 to 32768 [ 61.114915][ T5533] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5533) [ 61.119266][ T5533] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.120845][ T5533] BTRFS info (device loop0): using free space tree [ 61.122333][ T5533] BTRFS info (device loop0): has skinny extents [ 61.130073][ T5533] BTRFS info (device loop0): enabling ssd optimizations [ 61.135432][ T5533] FAULT_INJECTION: forcing a failure. [ 61.135432][ T5533] name failslab, interval 1, probability 0, space 0, times 0 [ 61.137589][ T5533] CPU: 1 PID: 5533 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.138998][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.140565][ T5533] Call trace: [ 61.141032][ T5533] dump_backtrace+0x0/0x43c [ 61.141723][ T5533] show_stack+0x2c/0x3c [ 61.142342][ T5533] __dump_stack+0x30/0x40 [ 61.142963][ T5533] dump_stack_lvl+0xf8/0x160 [ 61.143634][ T5533] dump_stack+0x1c/0x5c [ 61.144240][ T5533] should_fail+0x3c0/0x51c [ 61.144901][ T5533] __should_failslab+0xbc/0x10c [ 61.145681][ T5533] should_failslab+0x10/0x28 [ 61.146428][ T5533] slab_pre_alloc_hook+0x64/0xec [ 61.147146][ T5533] kmem_cache_alloc+0x94/0x3e4 [ 61.147925][ T5533] btrfs_alloc_path+0x5c/0x68 [ 61.148647][ T5533] __btrfs_unlink_inode+0x1d8/0xb00 [ 61.149422][ T5533] btrfs_rename2+0x1c18/0x30c0 [ 61.150130][ T5533] vfs_rename+0x954/0xdcc [ 61.150786][ T5533] do_renameat2+0x74c/0xcdc [ 61.151471][ T5533] __arm64_sys_renameat2+0xe0/0xfc [ 61.152240][ T5533] invoke_syscall+0x98/0x2b8 [ 61.152982][ T5533] el0_svc_common+0x138/0x258 [ 61.153775][ T5533] do_el0_svc+0x58/0x14c [ 61.154477][ T5533] el0_svc+0x78/0x1e0 [ 61.155079][ T5533] el0t_64_sync_handler+0xcc/0xe4 [ 61.155858][ T5533] el0t_64_sync+0x1a0/0x1a4 [ 61.158236][ T5533] ------------[ cut here ]------------ [ 61.159191][ T5533] WARNING: CPU: 1 PID: 5533 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 61.160568][ T5533] Modules linked in: [ 61.161198][ T5533] CPU: 1 PID: 5533 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.162607][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.164115][ T5533] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.165290][ T5533] pc : btrfs_rename2+0x26c8/0x30c0 [ 61.166086][ T5533] lr : btrfs_rename2+0x26c8/0x30c0 [ 61.166889][ T5533] sp : ffff800021e47870 [ 61.167546][ T5533] x29: ffff800021e47980 x28: ffff0000dcde4c10 x27: 0000000000000000 [ 61.168741][ T5533] x26: dfff800000000000 x25: ffff0000debd2230 x24: ffff0000d5290000 [ 61.169996][ T5533] x23: ffff0000debd1d70 x22: ffff8000141ffd40 x21: 1fffe0001b9d78d1 [ 61.171405][ T5533] x20: ffff0000dcebc688 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.172766][ T5533] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 61.174082][ T5533] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 61.175452][ T5533] x11: 0000000000000000 x10: 0000000000000000 x9 : 1491d148322dce00 [ 61.176860][ T5533] x8 : 1491d148322dce00 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.178205][ T5533] x5 : ffff800021e47158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 61.179437][ T5533] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.180700][ T5533] Call trace: [ 61.181232][ T5533] btrfs_rename2+0x26c8/0x30c0 [ 61.182027][ T5533] vfs_rename+0x954/0xdcc [ 61.182725][ T5533] do_renameat2+0x74c/0xcdc [ 61.183435][ T5533] __arm64_sys_renameat2+0xe0/0xfc [ 61.184241][ T5533] invoke_syscall+0x98/0x2b8 [ 61.184931][ T5533] el0_svc_common+0x138/0x258 [ 61.185626][ T5533] do_el0_svc+0x58/0x14c [ 61.186270][ T5533] el0_svc+0x78/0x1e0 [ 61.186901][ T5533] el0t_64_sync_handler+0xcc/0xe4 [ 61.187728][ T5533] el0t_64_sync+0x1a0/0x1a4 [ 61.188470][ T5533] irq event stamp: 79966 [ 61.189136][ T5533] hardirqs last enabled at (79965): [] __up_console_sem+0xb4/0x100 [ 61.190676][ T5533] hardirqs last disabled at (79966): [] el1_dbg+0x24/0x80 [ 61.192038][ T5533] softirqs last enabled at (79946): [] handle_softirqs+0xa4c/0xbf0 [ 61.193501][ T5533] softirqs last disabled at (79801): [] __irq_exit_rcu+0x240/0x440 [ 61.195022][ T5533] ---[ end trace 85e41d5a8fb11713 ]--- [ 61.196493][ T5533] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 61.197876][ T5533] BTRFS info (device loop0): forced readonly [ 61.365588][ T5554] loop0: detected capacity change from 0 to 32768 [ 61.368015][ T5554] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5554) [ 61.371885][ T5554] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.374108][ T5554] BTRFS info (device loop0): using free space tree [ 61.375099][ T5554] BTRFS info (device loop0): has skinny extents [ 61.390457][ T5554] BTRFS info (device loop0): enabling ssd optimizations [ 61.395552][ T5554] FAULT_INJECTION: forcing a failure. [ 61.395552][ T5554] name failslab, interval 1, probability 0, space 0, times 0 [ 61.397468][ T5554] CPU: 0 PID: 5554 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.398901][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.400449][ T5554] Call trace: [ 61.400917][ T5554] dump_backtrace+0x0/0x43c [ 61.401584][ T5554] show_stack+0x2c/0x3c [ 61.402170][ T5554] __dump_stack+0x30/0x40 [ 61.402817][ T5554] dump_stack_lvl+0xf8/0x160 [ 61.403563][ T5554] dump_stack+0x1c/0x5c [ 61.404229][ T5554] should_fail+0x3c0/0x51c [ 61.404933][ T5554] __should_failslab+0xbc/0x10c [ 61.405723][ T5554] should_failslab+0x10/0x28 [ 61.406399][ T5554] slab_pre_alloc_hook+0x64/0xec [ 61.407097][ T5554] kmem_cache_alloc+0x94/0x3e4 [ 61.407817][ T5554] btrfs_alloc_path+0x5c/0x68 [ 61.408590][ T5554] __btrfs_unlink_inode+0x1d8/0xb00 [ 61.409378][ T5554] btrfs_rename2+0x1c18/0x30c0 [ 61.410161][ T5554] vfs_rename+0x954/0xdcc [ 61.410853][ T5554] do_renameat2+0x74c/0xcdc [ 61.411564][ T5554] __arm64_sys_renameat2+0xe0/0xfc [ 61.412363][ T5554] invoke_syscall+0x98/0x2b8 [ 61.413061][ T5554] el0_svc_common+0x138/0x258 [ 61.413807][ T5554] do_el0_svc+0x58/0x14c [ 61.414483][ T5554] el0_svc+0x78/0x1e0 [ 61.415119][ T5554] el0t_64_sync_handler+0xcc/0xe4 [ 61.415909][ T5554] el0t_64_sync+0x1a0/0x1a4 [ 61.418816][ T5554] ------------[ cut here ]------------ [ 61.419726][ T5554] WARNING: CPU: 0 PID: 5554 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 61.421194][ T5554] Modules linked in: [ 61.421833][ T5554] CPU: 0 PID: 5554 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.423332][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.424893][ T5554] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.426080][ T5554] pc : btrfs_rename2+0x26c8/0x30c0 [ 61.426848][ T5554] lr : btrfs_rename2+0x26c8/0x30c0 [ 61.427588][ T5554] sp : ffff800022207870 [ 61.428191][ T5554] x29: ffff800022207980 x28: ffff0000dcd86050 x27: 0000000000000000 [ 61.429399][ T5554] x26: dfff800000000000 x25: ffff0000de99f0b0 x24: ffff0000ce7a2000 [ 61.430630][ T5554] x23: ffff0000de99ebf0 x22: ffff8000141ffd40 x21: 1fffe0001bd1f729 [ 61.431976][ T5554] x20: ffff0000de8fb948 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.433390][ T5554] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 61.434645][ T5554] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 61.435911][ T5554] x11: 0000000000000000 x10: 0000000000000000 x9 : b0948dd2a8ff4e00 [ 61.437159][ T5554] x8 : b0948dd2a8ff4e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.438474][ T5554] x5 : ffff800022207158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 61.439731][ T5554] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.440991][ T5554] Call trace: [ 61.441530][ T5554] btrfs_rename2+0x26c8/0x30c0 [ 61.442247][ T5554] vfs_rename+0x954/0xdcc [ 61.442893][ T5554] do_renameat2+0x74c/0xcdc [ 61.443621][ T5554] __arm64_sys_renameat2+0xe0/0xfc [ 61.444428][ T5554] invoke_syscall+0x98/0x2b8 [ 61.445180][ T5554] el0_svc_common+0x138/0x258 [ 61.445877][ T5554] do_el0_svc+0x58/0x14c [ 61.446483][ T5554] el0_svc+0x78/0x1e0 [ 61.447093][ T5554] el0t_64_sync_handler+0xcc/0xe4 [ 61.447890][ T5554] el0t_64_sync+0x1a0/0x1a4 [ 61.448591][ T5554] irq event stamp: 79770 [ 61.449230][ T5554] hardirqs last enabled at (79769): [] __up_console_sem+0xb4/0x100 [ 61.450661][ T5554] hardirqs last disabled at (79770): [] el1_dbg+0x24/0x80 [ 61.451944][ T5554] softirqs last enabled at (79750): [] handle_softirqs+0xa4c/0xbf0 [ 61.453274][ T5554] softirqs last disabled at (79655): [] __irq_exit_rcu+0x240/0x440 [ 61.454655][ T5554] ---[ end trace 85e41d5a8fb11714 ]--- [ 61.456519][ T5554] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 61.457957][ T5554] BTRFS info (device loop0): forced readonly [ 61.646630][ T5575] loop0: detected capacity change from 0 to 32768 [ 61.649164][ T5575] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5575) [ 61.652590][ T5575] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.654097][ T5575] BTRFS info (device loop0): using free space tree [ 61.655076][ T5575] BTRFS info (device loop0): has skinny extents [ 61.672590][ T5575] BTRFS info (device loop0): enabling ssd optimizations [ 61.679364][ T5575] FAULT_INJECTION: forcing a failure. [ 61.679364][ T5575] name failslab, interval 1, probability 0, space 0, times 0 [ 61.682240][ T5575] CPU: 0 PID: 5575 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.683592][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.685161][ T5575] Call trace: [ 61.685664][ T5575] dump_backtrace+0x0/0x43c [ 61.686403][ T5575] show_stack+0x2c/0x3c [ 61.687101][ T5575] __dump_stack+0x30/0x40 [ 61.687730][ T5575] dump_stack_lvl+0xf8/0x160 [ 61.688482][ T5575] dump_stack+0x1c/0x5c [ 61.689212][ T5575] should_fail+0x3c0/0x51c [ 61.689954][ T5575] __should_failslab+0xbc/0x10c [ 61.690756][ T5575] should_failslab+0x10/0x28 [ 61.691532][ T5575] slab_pre_alloc_hook+0x64/0xec [ 61.692379][ T5575] kmem_cache_alloc+0x94/0x3e4 [ 61.693125][ T5575] start_transaction+0x4d0/0x13f0 [ 61.693910][ T5575] btrfs_start_transaction+0x34/0x44 [ 61.694797][ T5575] btrfs_rename2+0x15f8/0x30c0 [ 61.695556][ T5575] vfs_rename+0x954/0xdcc [ 61.696247][ T5575] do_renameat2+0x74c/0xcdc [ 61.696982][ T5575] __arm64_sys_renameat2+0xe0/0xfc [ 61.697735][ T5575] invoke_syscall+0x98/0x2b8 [ 61.698433][ T5575] el0_svc_common+0x138/0x258 [ 61.699129][ T5575] do_el0_svc+0x58/0x14c [ 61.699783][ T5575] el0_svc+0x78/0x1e0 [ 61.700363][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 61.701183][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 61.881611][ T5596] loop0: detected capacity change from 0 to 32768 [ 61.884190][ T5596] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5596) [ 61.888597][ T5596] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.890218][ T5596] BTRFS info (device loop0): using free space tree [ 61.891439][ T5596] BTRFS info (device loop0): has skinny extents [ 61.904002][ T5596] BTRFS info (device loop0): enabling ssd optimizations [ 61.909302][ T5596] FAULT_INJECTION: forcing a failure. [ 61.909302][ T5596] name failslab, interval 1, probability 0, space 0, times 0 [ 61.911687][ T5596] CPU: 0 PID: 5596 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.913134][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.914701][ T5596] Call trace: [ 61.915219][ T5596] dump_backtrace+0x0/0x43c [ 61.915940][ T5596] show_stack+0x2c/0x3c [ 61.916632][ T5596] __dump_stack+0x30/0x40 [ 61.917339][ T5596] dump_stack_lvl+0xf8/0x160 [ 61.918006][ T5596] dump_stack+0x1c/0x5c [ 61.918630][ T5596] should_fail+0x3c0/0x51c [ 61.919316][ T5596] __should_failslab+0xbc/0x10c [ 61.920098][ T5596] should_failslab+0x10/0x28 [ 61.920806][ T5596] slab_pre_alloc_hook+0x64/0xec [ 61.921547][ T5596] kmem_cache_alloc+0x94/0x3e4 [ 61.922348][ T5596] btrfs_alloc_path+0x5c/0x68 [ 61.923015][ T5596] __btrfs_unlink_inode+0x1d8/0xb00 [ 61.923791][ T5596] btrfs_rename2+0x1c18/0x30c0 [ 61.924555][ T5596] vfs_rename+0x954/0xdcc [ 61.925240][ T5596] do_renameat2+0x74c/0xcdc [ 61.925915][ T5596] __arm64_sys_renameat2+0xe0/0xfc [ 61.926641][ T5596] invoke_syscall+0x98/0x2b8 [ 61.927278][ T5596] el0_svc_common+0x138/0x258 [ 61.927987][ T5596] do_el0_svc+0x58/0x14c [ 61.928721][ T5596] el0_svc+0x78/0x1e0 [ 61.929424][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 61.930274][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 61.931670][ T5596] ------------[ cut here ]------------ [ 61.932638][ T5596] WARNING: CPU: 0 PID: 5596 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 61.934051][ T5596] Modules linked in: [ 61.934673][ T5596] CPU: 0 PID: 5596 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.936166][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.937847][ T5596] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.939109][ T5596] pc : btrfs_rename2+0x26c8/0x30c0 [ 61.939886][ T5596] lr : btrfs_rename2+0x26c8/0x30c0 [ 61.940652][ T5596] sp : ffff800021e47870 [ 61.941296][ T5596] x29: ffff800021e47980 x28: ffff0000d8ec5948 x27: 0000000000000000 [ 61.942475][ T5596] x26: dfff800000000000 x25: ffff0000de99b5d0 x24: ffff0000d942e000 [ 61.943708][ T5596] x23: ffff0000de99b110 x22: ffff8000141ffd40 x21: 1fffe0001b9dd037 [ 61.944973][ T5596] x20: ffff0000dcee81b8 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.946206][ T5596] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 61.947468][ T5596] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 61.948805][ T5596] x11: 0000000000000000 x10: 0000000000000000 x9 : e5bb9edd920a1900 [ 61.950149][ T5596] x8 : e5bb9edd920a1900 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.951438][ T5596] x5 : ffff800021e47158 x4 : ffff80001425f420 x3 : ffff80000850471c [ 61.952774][ T5596] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.954009][ T5596] Call trace: [ 61.954525][ T5596] btrfs_rename2+0x26c8/0x30c0 [ 61.955242][ T5596] vfs_rename+0x954/0xdcc [ 61.955868][ T5596] do_renameat2+0x74c/0xcdc [ 61.956514][ T5596] __arm64_sys_renameat2+0xe0/0xfc [ 61.957319][ T5596] invoke_syscall+0x98/0x2b8 [ 61.957997][ T5596] el0_svc_common+0x138/0x258 [ 61.958710][ T5596] do_el0_svc+0x58/0x14c [ 61.959350][ T5596] el0_svc+0x78/0x1e0 [ 61.960010][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 61.960744][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 61.961397][ T5596] irq event stamp: 80808 [ 61.962002][ T5596] hardirqs last enabled at (80807): [] __up_console_sem+0xb4/0x100 [ 61.963505][ T5596] hardirqs last disabled at (80808): [] el1_dbg+0x24/0x80 [ 61.964833][ T5596] softirqs last enabled at (80788): [] handle_softirqs+0xa4c/0xbf0 [ 61.966402][ T5596] softirqs last disabled at (80749): [] __irq_exit_rcu+0x240/0x440 [ 61.967869][ T5596] ---[ end trace 85e41d5a8fb11715 ]--- [ 61.969713][ T5596] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 61.971646][ T5596] BTRFS info (device loop0): forced readonly [ 62.143617][ T5617] loop0: detected capacity change from 0 to 32768 [ 62.146356][ T5617] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5617) [ 62.150376][ T5617] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 62.152078][ T5617] BTRFS info (device loop0): using free space tree [ 62.153277][ T5617] BTRFS info (device loop0): has skinny extents [ 62.161393][ T5617] BTRFS info (device loop0): enabling ssd optimizations [ 62.167070][ T5617] FAULT_INJECTION: forcing a failure. [ 62.167070][ T5617] name failslab, interval 1, probability 0, space 0, times 0 [ 62.169303][ T5617] CPU: 0 PID: 5617 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.170732][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.172293][ T5617] Call trace: [ 62.172805][ T5617] dump_backtrace+0x0/0x43c [ 62.173536][ T5617] show_stack+0x2c/0x3c [ 62.174274][ T5617] __dump_stack+0x30/0x40 [ 62.174995][ T5617] dump_stack_lvl+0xf8/0x160 [ 62.175758][ T5617] dump_stack+0x1c/0x5c [ 62.176414][ T5617] should_fail+0x3c0/0x51c [ 62.177135][ T5617] __should_failslab+0xbc/0x10c [ 62.177805][ T5617] should_failslab+0x10/0x28 [ 62.178459][ T5617] slab_pre_alloc_hook+0x64/0xec [ 62.179276][ T5617] kmem_cache_alloc+0x94/0x3e4 [ 62.179982][ T5617] btrfs_alloc_path+0x5c/0x68 [ 62.180724][ T5617] __btrfs_unlink_inode+0x1d8/0xb00 [ 62.181551][ T5617] btrfs_rename2+0x1c18/0x30c0 [ 62.182316][ T5617] vfs_rename+0x954/0xdcc [ 62.182962][ T5617] do_renameat2+0x74c/0xcdc [ 62.183670][ T5617] __arm64_sys_renameat2+0xe0/0xfc [ 62.184488][ T5617] invoke_syscall+0x98/0x2b8 [ 62.185237][ T5617] el0_svc_common+0x138/0x258 [ 62.186028][ T5617] do_el0_svc+0x58/0x14c [ 62.186723][ T5617] el0_svc+0x78/0x1e0 [ 62.187344][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 62.188123][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 62.189047][ T5617] ------------[ cut here ]------------ [ 62.190000][ T5617] WARNING: CPU: 0 PID: 5617 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 62.191363][ T5617] Modules linked in: [ 62.191956][ T5617] CPU: 0 PID: 5617 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.193296][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.194684][ T5617] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 62.195869][ T5617] pc : btrfs_rename2+0x26c8/0x30c0 [ 62.196631][ T5617] lr : btrfs_rename2+0x26c8/0x30c0 [ 62.197424][ T5617] sp : ffff8000223f7870 [ 62.198125][ T5617] x29: ffff8000223f7980 x28: ffff0000dcedc630 x27: 0000000000000000 [ 62.199359][ T5617] x26: dfff800000000000 x25: ffff0000e1d4ac00 x24: ffff0000d574c000 [ 62.200550][ T5617] x23: ffff0000e1d4a740 x22: ffff8000141ffd40 x21: 1fffe0001bd59a63 [ 62.201692][ T5617] x20: ffff0000deacd318 x19: 00000000fffffff4 x18: 0000000000000001 [ 62.202836][ T5617] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 62.204190][ T5617] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 62.205458][ T5617] x11: 0000000000000000 x10: 0000000000000000 x9 : c9a66e46b2a86000 [ 62.206731][ T5617] x8 : c9a66e46b2a86000 x7 : 0000000000000001 x6 : 0000000000000001 [ 62.208062][ T5617] x5 : ffff8000223f7158 x4 : ffff80001425f420 x3 : ffff800008302278 [ 62.209347][ T5617] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 62.210705][ T5617] Call trace: [ 62.211240][ T5617] btrfs_rename2+0x26c8/0x30c0 [ 62.212042][ T5617] vfs_rename+0x954/0xdcc [ 62.212734][ T5617] do_renameat2+0x74c/0xcdc [ 62.213443][ T5617] __arm64_sys_renameat2+0xe0/0xfc [ 62.214300][ T5617] invoke_syscall+0x98/0x2b8 [ 62.215042][ T5617] el0_svc_common+0x138/0x258 [ 62.215802][ T5617] do_el0_svc+0x58/0x14c [ 62.216553][ T5617] el0_svc+0x78/0x1e0 [ 62.217210][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 62.217992][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 62.218686][ T5617] irq event stamp: 80450 [ 62.219328][ T5617] hardirqs last enabled at (80449): [] __up_console_sem+0xb4/0x100 [ 62.220762][ T5617] hardirqs last disabled at (80450): [] el1_dbg+0x24/0x80 [ 62.222065][ T5617] softirqs last enabled at (80430): [] handle_softirqs+0xa4c/0xbf0 [ 62.223591][ T5617] softirqs last disabled at (80407): [] __irq_exit_rcu+0x240/0x440 [ 62.225161][ T5617] ---[ end trace 85e41d5a8fb11716 ]--- [ 62.226226][ T5617] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 62.227741][ T5617] BTRFS info (device loop0): forced readonly [ 62.415409][ T5638] loop0: detected capacity change from 0 to 32768 [ 62.417836][ T5638] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5638) [ 62.421707][ T5638] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 62.423259][ T5638] BTRFS info (device loop0): using free space tree [ 62.424222][ T5638] BTRFS info (device loop0): has skinny extents [ 62.444077][ T5638] BTRFS info (device loop0): enabling ssd optimizations [ 62.449166][ T5638] FAULT_INJECTION: forcing a failure. [ 62.449166][ T5638] name failslab, interval 1, probability 0, space 0, times 0 [ 62.451997][ T5638] CPU: 1 PID: 5638 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.453322][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.454825][ T5638] Call trace: [ 62.455321][ T5638] dump_backtrace+0x0/0x43c [ 62.455999][ T5638] show_stack+0x2c/0x3c [ 62.456617][ T5638] __dump_stack+0x30/0x40 [ 62.457298][ T5638] dump_stack_lvl+0xf8/0x160 [ 62.458002][ T5638] dump_stack+0x1c/0x5c [ 62.458652][ T5638] should_fail+0x3c0/0x51c [ 62.459329][ T5638] __should_failslab+0xbc/0x10c [ 62.460109][ T5638] should_failslab+0x10/0x28 [ 62.460803][ T5638] slab_pre_alloc_hook+0x64/0xec [ 62.461547][ T5638] kmem_cache_alloc+0x94/0x3e4 [ 62.462216][ T5638] start_transaction+0x4d0/0x13f0 [ 62.462984][ T5638] btrfs_start_transaction+0x34/0x44 [ 62.463809][ T5638] btrfs_rename2+0x15f8/0x30c0 [ 62.464583][ T5638] vfs_rename+0x954/0xdcc [ 62.465235][ T5638] do_renameat2+0x74c/0xcdc [ 62.465948][ T5638] __arm64_sys_renameat2+0xe0/0xfc [ 62.466733][ T5638] invoke_syscall+0x98/0x2b8 [ 62.467449][ T5638] el0_svc_common+0x138/0x258 [ 62.468147][ T5638] do_el0_svc+0x58/0x14c [ 62.468770][ T5638] el0_svc+0x78/0x1e0 [ 62.469341][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 62.470111][ T5638] el0t_64_sync+0x1a0/0x1a4