Warning: Permanently added '10.128.1.90' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:46 parsed 1 programs [ 46.985977][ T4271] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:46 executed programs: 0 [ 47.055174][ T4278] chnl_net:caif_netlink_parms(): no params data found [ 47.074028][ T4278] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.075214][ T4278] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.076631][ T4278] device bridge_slave_0 entered promiscuous mode [ 47.078687][ T4278] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.079804][ T4278] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.081344][ T4278] device bridge_slave_1 entered promiscuous mode [ 47.089977][ T4278] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.092387][ T4278] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.101227][ T4278] team0: Port device team_slave_0 added [ 47.103499][ T4278] team0: Port device team_slave_1 added [ 47.110500][ T4278] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.111516][ T4278] 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. [ 47.115849][ T4278] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.118130][ T4278] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.119226][ T4278] 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. [ 47.123366][ T4278] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.173961][ T4278] device hsr_slave_0 entered promiscuous mode [ 47.212876][ T4278] device hsr_slave_1 entered promiscuous mode [ 47.860443][ T4278] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.876057][ T4278] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.894655][ T4278] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.935098][ T4278] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.989498][ T4278] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.990665][ T4278] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.991999][ T4278] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.993162][ T4278] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.013508][ T4278] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.017627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.019498][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.021227][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.024045][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.028783][ T4278] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.035278][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.036834][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.037935][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.039367][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.040863][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.041959][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.046754][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.050556][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.054604][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.056744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.058313][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.061322][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.065528][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.070122][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.071707][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.073897][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.075461][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.077836][ T4278] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.126692][ T4278] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.134426][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.135714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.136834][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.138480][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.145642][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.147310][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.149384][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.151207][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.157048][ T4278] device veth0_vlan entered promiscuous mode [ 48.160737][ T4278] device veth1_vlan entered promiscuous mode [ 48.169930][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.171469][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.174942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.176437][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.179347][ T4278] device veth0_macvtap entered promiscuous mode [ 48.181919][ T4278] device veth1_macvtap entered promiscuous mode [ 48.189202][ T4278] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.190323][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.191724][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.193127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.194564][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.199192][ T4278] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.200394][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.201966][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.206465][ T4278] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.207842][ T4278] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.209148][ T4278] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.210575][ T4278] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.354249][ T4399] loop0: detected capacity change from 0 to 32768 [ 48.358061][ T4399] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4399) [ 48.364413][ T4399] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.365820][ T4399] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.367195][ T4399] BTRFS info (device loop0): turning on flush-on-commit [ 48.368361][ T4399] BTRFS info (device loop0): disabling tree log [ 48.369349][ T4399] BTRFS info (device loop0): enabling auto defrag [ 48.370366][ T4399] BTRFS info (device loop0): using free space tree [ 48.371357][ T4399] BTRFS info (device loop0): has skinny extents [ 48.441484][ T4399] BTRFS info (device loop0): enabling ssd optimizations [ 48.461473][ T4399] FAULT_INJECTION: forcing a failure. [ 48.461473][ T4399] name failslab, interval 1, probability 0, space 0, times 1 [ 48.464405][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.465601][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.467333][ T4399] Call trace: [ 48.467870][ T4399] dump_backtrace+0x0/0x458 [ 48.468579][ T4399] show_stack+0x2c/0x3c [ 48.469231][ T4399] __dump_stack+0x30/0x40 [ 48.470016][ T4399] dump_stack_lvl+0xf4/0x15c [ 48.470849][ T4399] dump_stack+0x1c/0x5c [ 48.471578][ T4399] should_fail+0x3bc/0x514 [ 48.472320][ T4399] __should_failslab+0xbc/0x10c [ 48.473281][ T4399] should_failslab+0x10/0x28 [ 48.474060][ T4399] slab_pre_alloc_hook+0x64/0xe8 [ 48.474842][ T4399] kmem_cache_alloc+0x94/0x3d4 [ 48.475657][ T4399] alloc_extent_map+0x28/0x128 [ 48.476392][ T4399] btrfs_drop_extent_cache+0x154/0xd90 [ 48.477271][ T4399] btrfs_drop_extents+0x2e8/0x2254 [ 48.478123][ T4399] btrfs_replace_file_extents+0x338/0x1238 [ 48.478965][ T4399] btrfs_clone+0xb7c/0x1d14 [ 48.479749][ T4399] btrfs_clone_files+0x278/0x320 [ 48.480619][ T4399] btrfs_remap_file_range+0x488/0xb9c [ 48.481508][ T4399] vfs_copy_file_range+0xab0/0x10fc [ 48.482357][ T4399] __arm64_sys_copy_file_range+0x540/0x8d4 [ 48.483271][ T4399] invoke_syscall+0x98/0x2b0 [ 48.484138][ T4399] el0_svc_common+0x138/0x258 [ 48.484927][ T4399] do_el0_svc+0x58/0x13c [ 48.485632][ T4399] el0_svc+0x78/0x1d0 [ 48.486301][ T4399] el0t_64_sync_handler+0xcc/0xe4 [ 48.487124][ T4399] el0t_64_sync+0x1a0/0x1a4 [ 48.713897][ T4472] loop0: detected capacity change from 0 to 32768 [ 48.726666][ T4472] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4472) [ 48.736850][ T4472] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.738367][ T4472] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.745238][ T4472] BTRFS info (device loop0): turning on flush-on-commit [ 48.746246][ T4472] BTRFS info (device loop0): disabling tree log [ 48.747403][ T4472] BTRFS info (device loop0): enabling auto defrag [ 48.753645][ T4472] BTRFS info (device loop0): using free space tree [ 48.754820][ T4472] BTRFS info (device loop0): has skinny extents [ 48.815439][ T4472] BTRFS info (device loop0): enabling ssd optimizations [ 48.829553][ T4472] FAULT_INJECTION: forcing a failure. [ 48.829553][ T4472] name failslab, interval 1, probability 0, space 0, times 0 [ 48.831826][ T4472] CPU: 0 PID: 4472 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.833068][ T4472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.834786][ T4472] Call trace: [ 48.835355][ T4472] dump_backtrace+0x0/0x458 [ 48.836217][ T4472] show_stack+0x2c/0x3c [ 48.836954][ T4472] __dump_stack+0x30/0x40 [ 48.837636][ T4472] dump_stack_lvl+0xf4/0x15c [ 48.838379][ T4472] dump_stack+0x1c/0x5c [ 48.839043][ T4472] should_fail+0x3bc/0x514 [ 48.839818][ T4472] __should_failslab+0xbc/0x10c [ 48.840610][ T4472] should_failslab+0x10/0x28 [ 48.841419][ T4472] slab_pre_alloc_hook+0x64/0xe8 [ 48.842293][ T4472] kmem_cache_alloc+0x94/0x3d4 [ 48.843100][ T4472] alloc_extent_map+0x28/0x128 [ 48.843902][ T4472] btrfs_drop_extent_cache+0x154/0xd90 [ 48.844625][ T4472] btrfs_drop_extents+0x2e8/0x2254 [ 48.845403][ T4472] btrfs_replace_file_extents+0x338/0x1238 [ 48.846390][ T4472] btrfs_clone+0xb7c/0x1d14 [ 48.847047][ T4472] btrfs_clone_files+0x278/0x320 [ 48.847770][ T4472] btrfs_remap_file_range+0x488/0xb9c [ 48.848615][ T4472] vfs_copy_file_range+0xab0/0x10fc [ 48.849483][ T4472] __arm64_sys_copy_file_range+0x540/0x8d4 [ 48.850449][ T4472] invoke_syscall+0x98/0x2b0 [ 48.851190][ T4472] el0_svc_common+0x138/0x258 [ 48.851959][ T4472] do_el0_svc+0x58/0x13c [ 48.852669][ T4472] el0_svc+0x78/0x1d0 [ 48.853414][ T4472] el0t_64_sync_handler+0xcc/0xe4 [ 48.854110][ T4472] el0t_64_sync+0x1a0/0x1a4 [ 49.068191][ T4528] loop0: detected capacity change from 0 to 32768 [ 49.070811][ T4528] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4528) [ 49.073310][ T1969] Bluetooth: hci0: command 0x0409 tx timeout [ 49.086124][ T4528] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.087555][ T4528] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.088833][ T4528] BTRFS info (device loop0): turning on flush-on-commit [ 49.089989][ T4528] BTRFS info (device loop0): disabling tree log [ 49.091008][ T4528] BTRFS info (device loop0): enabling auto defrag [ 49.091968][ T4528] BTRFS info (device loop0): using free space tree [ 49.104398][ T4528] BTRFS info (device loop0): has skinny extents [ 49.166657][ T4528] BTRFS info (device loop0): enabling ssd optimizations [ 49.183565][ T4528] FAULT_INJECTION: forcing a failure. [ 49.183565][ T4528] name failslab, interval 1, probability 0, space 0, times 0 [ 49.185759][ T4528] CPU: 0 PID: 4528 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.187033][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.188660][ T4528] Call trace: [ 49.189146][ T4528] dump_backtrace+0x0/0x458 [ 49.189962][ T4528] show_stack+0x2c/0x3c [ 49.190704][ T4528] __dump_stack+0x30/0x40 [ 49.191463][ T4528] dump_stack_lvl+0xf4/0x15c [ 49.192207][ T4528] dump_stack+0x1c/0x5c [ 49.192864][ T4528] should_fail+0x3bc/0x514 [ 49.193512][ T4528] __should_failslab+0xbc/0x10c [ 49.194328][ T4528] should_failslab+0x10/0x28 [ 49.195121][ T4528] slab_pre_alloc_hook+0x64/0xe8 [ 49.195929][ T4528] kmem_cache_alloc+0x94/0x3d4 [ 49.196719][ T4528] alloc_extent_map+0x28/0x128 [ 49.197522][ T4528] btrfs_drop_extent_cache+0x154/0xd90 [ 49.198427][ T4528] btrfs_drop_extents+0x2e8/0x2254 [ 49.199286][ T4528] btrfs_replace_file_extents+0x338/0x1238 [ 49.200343][ T4528] btrfs_clone+0xb7c/0x1d14 [ 49.201135][ T4528] btrfs_clone_files+0x278/0x320 [ 49.201777][ T4528] btrfs_remap_file_range+0x488/0xb9c [ 49.202719][ T4528] vfs_copy_file_range+0xab0/0x10fc [ 49.203622][ T4528] __arm64_sys_copy_file_range+0x540/0x8d4 [ 49.204533][ T4528] invoke_syscall+0x98/0x2b0 [ 49.205315][ T4528] el0_svc_common+0x138/0x258 [ 49.206058][ T4528] do_el0_svc+0x58/0x13c [ 49.206690][ T4528] el0_svc+0x78/0x1d0 [ 49.207309][ T4528] el0t_64_sync_handler+0xcc/0xe4 [ 49.208153][ T4528] el0t_64_sync+0x1a0/0x1a4 [ 49.443728][ T4599] loop0: detected capacity change from 0 to 32768 [ 49.455187][ T4599] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4599) [ 49.467200][ T4599] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.468731][ T4599] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.470033][ T4599] BTRFS info (device loop0): turning on flush-on-commit [ 49.471103][ T4599] BTRFS info (device loop0): disabling tree log [ 49.472150][ T4599] BTRFS info (device loop0): enabling auto defrag [ 49.483994][ T4599] BTRFS info (device loop0): using free space tree [ 49.484982][ T4599] BTRFS info (device loop0): has skinny extents [ 49.536906][ T4599] BTRFS info (device loop0): enabling ssd optimizations [ 49.545821][ T4599] FAULT_INJECTION: forcing a failure. [ 49.545821][ T4599] name failslab, interval 1, probability 0, space 0, times 0 [ 49.547885][ T4599] CPU: 1 PID: 4599 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.549116][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.550710][ T4599] Call trace: [ 49.551247][ T4599] dump_backtrace+0x0/0x458 [ 49.551939][ T4599] show_stack+0x2c/0x3c [ 49.552625][ T4599] __dump_stack+0x30/0x40 [ 49.553339][ T4599] dump_stack_lvl+0xf4/0x15c [ 49.554033][ T4599] dump_stack+0x1c/0x5c [ 49.554684][ T4599] should_fail+0x3bc/0x514 [ 49.555475][ T4599] __should_failslab+0xbc/0x10c [ 49.556407][ T4599] should_failslab+0x10/0x28 [ 49.557231][ T4599] slab_pre_alloc_hook+0x64/0xe8 [ 49.558098][ T4599] kmem_cache_alloc+0x94/0x3d4 [ 49.558901][ T4599] alloc_extent_map+0x28/0x128 [ 49.559764][ T4599] btrfs_drop_extent_cache+0x154/0xd90 [ 49.560731][ T4599] btrfs_drop_extents+0x2e8/0x2254 [ 49.561647][ T4599] btrfs_replace_file_extents+0x338/0x1238 [ 49.562558][ T4599] btrfs_clone+0xb7c/0x1d14 [ 49.563254][ T4599] btrfs_clone_files+0x278/0x320 [ 49.564002][ T4599] btrfs_remap_file_range+0x488/0xb9c [ 49.564934][ T4599] vfs_copy_file_range+0xab0/0x10fc [ 49.565744][ T4599] __arm64_sys_copy_file_range+0x540/0x8d4 [ 49.566633][ T4599] invoke_syscall+0x98/0x2b0 [ 49.567324][ T4599] el0_svc_common+0x138/0x258 [ 49.568013][ T4599] do_el0_svc+0x58/0x13c [ 49.568656][ T4599] el0_svc+0x78/0x1d0 [ 49.569231][ T4599] el0t_64_sync_handler+0xcc/0xe4 [ 49.569990][ T4599] el0t_64_sync+0x1a0/0x1a4 [ 49.789841][ T4648] loop0: detected capacity change from 0 to 32768 [ 49.796176][ T4648] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4648) [ 49.806825][ T4648] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.808284][ T4648] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.810442][ T4648] BTRFS info (device loop0): turning on flush-on-commit [ 49.813473][ T4648] BTRFS info (device loop0): disabling tree log [ 49.814504][ T4648] BTRFS info (device loop0): enabling auto defrag [ 49.815605][ T4648] BTRFS info (device loop0): using free space tree [ 49.816604][ T4648] BTRFS info (device loop0): has skinny extents [ 49.848169][ T4648] BTRFS info (device loop0): enabling ssd optimizations [ 49.855634][ T4648] FAULT_INJECTION: forcing a failure. [ 49.855634][ T4648] name failslab, interval 1, probability 0, space 0, times 0 [ 49.857979][ T4648] CPU: 0 PID: 4648 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.859136][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.860643][ T4648] Call trace: [ 49.861121][ T4648] dump_backtrace+0x0/0x458 [ 49.861784][ T4648] show_stack+0x2c/0x3c [ 49.862418][ T4648] __dump_stack+0x30/0x40 [ 49.863025][ T4648] dump_stack_lvl+0xf4/0x15c [ 49.863814][ T4648] dump_stack+0x1c/0x5c [ 49.864471][ T4648] should_fail+0x3bc/0x514 [ 49.865151][ T4648] __should_failslab+0xbc/0x10c [ 49.865916][ T4648] should_failslab+0x10/0x28 [ 49.866603][ T4648] slab_pre_alloc_hook+0x64/0xe8 [ 49.867420][ T4648] kmem_cache_alloc+0x94/0x3d4 [ 49.868238][ T4648] btrfs_add_delayed_data_ref+0x160/0xd08 [ 49.869131][ T4648] btrfs_inc_extent_ref+0x100/0x198 [ 49.869975][ T4648] btrfs_insert_replace_extent+0x6a0/0x9cc [ 49.871012][ T4648] btrfs_replace_file_extents+0x89c/0x1238 [ 49.872057][ T4648] btrfs_clone+0xb7c/0x1d14 [ 49.872787][ T4648] btrfs_clone_files+0x278/0x320 [ 49.873700][ T4648] btrfs_remap_file_range+0x488/0xb9c [ 49.874552][ T4648] vfs_copy_file_range+0xab0/0x10fc [ 49.875406][ T4648] __arm64_sys_copy_file_range+0x540/0x8d4 [ 49.876431][ T4648] invoke_syscall+0x98/0x2b0 [ 49.877168][ T4648] el0_svc_common+0x138/0x258 [ 49.877893][ T4648] do_el0_svc+0x58/0x13c [ 49.878614][ T4648] el0_svc+0x78/0x1d0 [ 49.879216][ T4648] el0t_64_sync_handler+0xcc/0xe4 [ 49.880057][ T4648] el0t_64_sync+0x1a0/0x1a4 [ 49.883226][ T4648] ------------[ cut here ]------------ [ 49.884181][ T4648] WARNING: CPU: 0 PID: 4648 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 49.885910][ T4648] Modules linked in: [ 49.886625][ T4648] CPU: 0 PID: 4648 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.887889][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.889529][ T4648] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.890882][ T4648] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 49.891891][ T4648] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 49.892934][ T4648] sp : ffff80001fa97440 [ 49.893557][ T4648] x29: ffff80001fa97560 x28: dfff800000000000 x27: 0000000000000000 [ 49.894853][ T4648] x26: ffff0000ca599e00 x25: ffff80001fa97890 x24: ffff0000e2056220 [ 49.896202][ T4648] x23: ffff700003f52e98 x22: 00000000fffffff4 x21: 1fffe0001bca87c3 [ 49.897629][ T4648] x20: ffff0000de543dc0 x19: ffff0000de543e18 x18: 0000000000000001 [ 49.898967][ T4648] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 49.900287][ T4648] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.901507][ T4648] x11: 0000000000000000 x10: 0000000000000000 x9 : 5e2b3d307046e800 [ 49.902657][ T4648] x8 : 5e2b3d307046e800 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.903830][ T4648] x5 : ffff80001fa96d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.905103][ T4648] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.906387][ T4648] Call trace: [ 49.906962][ T4648] btrfs_replace_file_extents+0xcc4/0x1238 [ 49.907935][ T4648] btrfs_clone+0xb7c/0x1d14 [ 49.908663][ T4648] btrfs_clone_files+0x278/0x320 [ 49.909532][ T4648] btrfs_remap_file_range+0x488/0xb9c [ 49.910394][ T4648] vfs_copy_file_range+0xab0/0x10fc [ 49.911238][ T4648] __arm64_sys_copy_file_range+0x540/0x8d4 [ 49.912217][ T4648] invoke_syscall+0x98/0x2b0 [ 49.913001][ T4648] el0_svc_common+0x138/0x258 [ 49.913834][ T4648] do_el0_svc+0x58/0x13c [ 49.914601][ T4648] el0_svc+0x78/0x1d0 [ 49.915311][ T4648] el0t_64_sync_handler+0xcc/0xe4 [ 49.916175][ T4648] el0t_64_sync+0x1a0/0x1a4 [ 49.916898][ T4648] irq event stamp: 81814 [ 49.917620][ T4648] hardirqs last enabled at (81813): [] __up_console_sem+0xb4/0xfc [ 49.919196][ T4648] hardirqs last disabled at (81814): [] el1_dbg+0x24/0x80 [ 49.920590][ T4648] softirqs last enabled at (81794): [] handle_softirqs+0xa40/0xbe4 [ 49.922090][ T4648] softirqs last disabled at (81661): [] __irq_exit_rcu+0x240/0x43c [ 49.923616][ T4648] ---[ end trace b1243b3c039d752a ]--- [ 49.927157][ T4648] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 49.928851][ T4648] BTRFS info (device loop0): forced readonly [ 49.982537][ T4281] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4281) [ 50.070933][ T4689] loop0: detected capacity change from 0 to 32768 [ 50.076884][ T4689] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.078515][ T4689] BTRFS info (device loop0): setting nodatacow, compression disabled [ 50.079803][ T4689] BTRFS info (device loop0): turning on flush-on-commit [ 50.080941][ T4689] BTRFS info (device loop0): disabling tree log [ 50.081981][ T4689] BTRFS info (device loop0): enabling auto defrag [ 50.083148][ T4689] BTRFS info (device loop0): using free space tree [ 50.084111][ T4689] BTRFS info (device loop0): has skinny extents [ 50.100978][ T4689] BTRFS info (device loop0): enabling ssd optimizations [ 50.113479][ T4689] FAULT_INJECTION: forcing a failure. [ 50.113479][ T4689] name failslab, interval 1, probability 0, space 0, times 0 [ 50.115701][ T4689] CPU: 1 PID: 4689 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.117154][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.118774][ T4689] Call trace: [ 50.119322][ T4689] dump_backtrace+0x0/0x458 [ 50.120096][ T4689] show_stack+0x2c/0x3c [ 50.120766][ T4689] __dump_stack+0x30/0x40 [ 50.121442][ T4689] dump_stack_lvl+0xf4/0x15c [ 50.122106][ T4689] dump_stack+0x1c/0x5c [ 50.122854][ T4689] should_fail+0x3bc/0x514 [ 50.123589][ T4689] __should_failslab+0xbc/0x10c [ 50.124378][ T4689] should_failslab+0x10/0x28 [ 50.125105][ T4689] slab_pre_alloc_hook+0x64/0xe8 [ 50.125900][ T4689] kmem_cache_alloc+0x94/0x3d4 [ 50.126646][ T4689] btrfs_add_delayed_data_ref+0x160/0xd08 [ 50.127636][ T4689] btrfs_inc_extent_ref+0x100/0x198 [ 50.128540][ T4689] btrfs_insert_replace_extent+0x6a0/0x9cc [ 50.129474][ T4689] btrfs_replace_file_extents+0x89c/0x1238 [ 50.130373][ T4689] btrfs_clone+0xb7c/0x1d14 [ 50.131102][ T4689] btrfs_clone_files+0x278/0x320 [ 50.131882][ T4689] btrfs_remap_file_range+0x488/0xb9c [ 50.132731][ T4689] vfs_copy_file_range+0xab0/0x10fc [ 50.133620][ T4689] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.134518][ T4689] invoke_syscall+0x98/0x2b0 [ 50.135340][ T4689] el0_svc_common+0x138/0x258 [ 50.136084][ T4689] do_el0_svc+0x58/0x13c [ 50.136771][ T4689] el0_svc+0x78/0x1d0 [ 50.137416][ T4689] el0t_64_sync_handler+0xcc/0xe4 [ 50.138238][ T4689] el0t_64_sync+0x1a0/0x1a4 [ 50.139242][ T4689] ------------[ cut here ]------------ [ 50.140215][ T4689] WARNING: CPU: 1 PID: 4689 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 50.141997][ T4689] Modules linked in: [ 50.142664][ T4689] CPU: 1 PID: 4689 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.144246][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.145967][ T4689] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.147183][ T4689] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 50.148112][ T4689] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 50.149103][ T4689] sp : ffff80001fa97440 [ 50.149758][ T4689] x29: ffff80001fa97560 x28: dfff800000000000 x27: 0000000000000000 [ 50.151109][ T4689] x26: ffff0000d10bcb00 x25: ffff80001fa97890 x24: ffff0000de6ee220 [ 50.152505][ T4689] x23: ffff700003f52e98 x22: 00000000fffffff4 x21: 1fffe0001bcb42fd [ 50.153851][ T4689] x20: ffff0000de5a1790 x19: ffff0000de5a17e8 x18: 0000000000000001 [ 50.155245][ T4689] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 50.156611][ T4689] x14: 0000000000000001 x13: 1ffff00003f52da8 x12: 0000000000ff0100 [ 50.157901][ T4689] x11: 0000000000000000 x10: 0000000000000000 x9 : 7029eb1d4b364700 [ 50.159206][ T4689] x8 : 7029eb1d4b364700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.160572][ T4689] x5 : ffff80001fa96d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 50.162001][ T4689] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.163380][ T4689] Call trace: [ 50.163908][ T4689] btrfs_replace_file_extents+0xcc4/0x1238 [ 50.164883][ T4689] btrfs_clone+0xb7c/0x1d14 [ 50.165611][ T4689] btrfs_clone_files+0x278/0x320 [ 50.166439][ T4689] btrfs_remap_file_range+0x488/0xb9c [ 50.167357][ T4689] vfs_copy_file_range+0xab0/0x10fc [ 50.168122][ T4689] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.169023][ T4689] invoke_syscall+0x98/0x2b0 [ 50.169740][ T4689] el0_svc_common+0x138/0x258 [ 50.170604][ T4689] do_el0_svc+0x58/0x13c [ 50.171347][ T4689] el0_svc+0x78/0x1d0 [ 50.171990][ T4689] el0t_64_sync_handler+0xcc/0xe4 [ 50.172749][ T4689] el0t_64_sync+0x1a0/0x1a4 [ 50.173520][ T4689] irq event stamp: 81416 [ 50.174285][ T4689] hardirqs last enabled at (81415): [] __up_console_sem+0xb4/0xfc [ 50.175801][ T4689] hardirqs last disabled at (81416): [] el1_dbg+0x24/0x80 [ 50.177220][ T4689] softirqs last enabled at (81396): [] handle_softirqs+0xa40/0xbe4 [ 50.178769][ T4689] softirqs last disabled at (81331): [] __irq_exit_rcu+0x240/0x43c [ 50.180270][ T4689] ---[ end trace b1243b3c039d752b ]--- [ 50.181864][ T4689] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 50.183965][ T4689] BTRFS info (device loop0): forced readonly [ 50.330026][ T4712] loop0: detected capacity change from 0 to 32768 [ 50.333149][ T4712] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4712) [ 50.337433][ T4712] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.338991][ T4712] BTRFS info (device loop0): setting nodatacow, compression disabled [ 50.340355][ T4712] BTRFS info (device loop0): turning on flush-on-commit [ 50.341425][ T4712] BTRFS info (device loop0): disabling tree log [ 50.342531][ T4712] BTRFS info (device loop0): enabling auto defrag [ 50.344209][ T4712] BTRFS info (device loop0): using free space tree [ 50.345181][ T4712] BTRFS info (device loop0): has skinny extents [ 50.358888][ T4712] BTRFS info (device loop0): enabling ssd optimizations [ 50.365528][ T4712] FAULT_INJECTION: forcing a failure. [ 50.365528][ T4712] name failslab, interval 1, probability 0, space 0, times 0 [ 50.367696][ T4712] CPU: 0 PID: 4712 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.369102][ T4712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.370665][ T4712] Call trace: [ 50.371186][ T4712] dump_backtrace+0x0/0x458 [ 50.371858][ T4712] show_stack+0x2c/0x3c [ 50.372540][ T4712] __dump_stack+0x30/0x40 [ 50.373275][ T4712] dump_stack_lvl+0xf4/0x15c [ 50.373991][ T4712] dump_stack+0x1c/0x5c [ 50.374612][ T4712] should_fail+0x3bc/0x514 [ 50.375374][ T4712] __should_failslab+0xbc/0x10c [ 50.376208][ T4712] should_failslab+0x10/0x28 [ 50.377000][ T4712] slab_pre_alloc_hook+0x64/0xe8 [ 50.377817][ T4712] kmem_cache_alloc+0x94/0x3d4 [ 50.378595][ T4712] alloc_extent_map+0x28/0x128 [ 50.379375][ T4712] btrfs_drop_extent_cache+0x164/0xd90 [ 50.380272][ T4712] btrfs_drop_extents+0x2e8/0x2254 [ 50.381076][ T4712] btrfs_replace_file_extents+0x338/0x1238 [ 50.382102][ T4712] btrfs_clone+0xb7c/0x1d14 [ 50.382867][ T4712] btrfs_clone_files+0x278/0x320 [ 50.383697][ T4712] btrfs_remap_file_range+0x488/0xb9c [ 50.384540][ T4712] vfs_copy_file_range+0xab0/0x10fc [ 50.385355][ T4712] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.386267][ T4712] invoke_syscall+0x98/0x2b0 [ 50.387008][ T4712] el0_svc_common+0x138/0x258 [ 50.387797][ T4712] do_el0_svc+0x58/0x13c [ 50.388540][ T4712] el0_svc+0x78/0x1d0 [ 50.389226][ T4712] el0t_64_sync_handler+0xcc/0xe4 [ 50.390124][ T4712] el0t_64_sync+0x1a0/0x1a4 [ 50.536381][ T4734] loop0: detected capacity change from 0 to 32768 [ 50.539209][ T4734] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4734) [ 50.544923][ T4734] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.546529][ T4734] BTRFS info (device loop0): setting nodatacow, compression disabled [ 50.547904][ T4734] BTRFS info (device loop0): turning on flush-on-commit [ 50.549111][ T4734] BTRFS info (device loop0): disabling tree log [ 50.550274][ T4734] BTRFS info (device loop0): enabling auto defrag [ 50.551296][ T4734] BTRFS info (device loop0): using free space tree [ 50.552588][ T4734] BTRFS info (device loop0): has skinny extents [ 50.566555][ T4734] BTRFS info (device loop0): enabling ssd optimizations [ 50.572245][ T4734] FAULT_INJECTION: forcing a failure. [ 50.572245][ T4734] name failslab, interval 1, probability 0, space 0, times 0 [ 50.574981][ T4734] CPU: 1 PID: 4734 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.576339][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.577929][ T4734] Call trace: [ 50.578470][ T4734] dump_backtrace+0x0/0x458 [ 50.579309][ T4734] show_stack+0x2c/0x3c [ 50.579938][ T4734] __dump_stack+0x30/0x40 [ 50.580626][ T4734] dump_stack_lvl+0xf4/0x15c [ 50.581384][ T4734] dump_stack+0x1c/0x5c [ 50.582004][ T4734] should_fail+0x3bc/0x514 [ 50.582699][ T4734] __should_failslab+0xbc/0x10c [ 50.583447][ T4734] should_failslab+0x10/0x28 [ 50.584158][ T4734] slab_pre_alloc_hook+0x64/0xe8 [ 50.584931][ T4734] kmem_cache_alloc+0x94/0x3d4 [ 50.585682][ T4734] btrfs_add_delayed_data_ref+0x160/0xd08 [ 50.586697][ T4734] btrfs_inc_extent_ref+0x100/0x198 [ 50.587607][ T4734] btrfs_insert_replace_extent+0x6a0/0x9cc [ 50.588587][ T4734] btrfs_replace_file_extents+0x89c/0x1238 [ 50.589581][ T4734] btrfs_clone+0xb7c/0x1d14 [ 50.590434][ T4734] btrfs_clone_files+0x278/0x320 [ 50.591275][ T4734] btrfs_remap_file_range+0x488/0xb9c [ 50.592148][ T4734] vfs_copy_file_range+0xab0/0x10fc [ 50.593044][ T4734] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.594024][ T4734] invoke_syscall+0x98/0x2b0 [ 50.594826][ T4734] el0_svc_common+0x138/0x258 [ 50.595533][ T4734] do_el0_svc+0x58/0x13c [ 50.596195][ T4734] el0_svc+0x78/0x1d0 [ 50.596801][ T4734] el0t_64_sync_handler+0xcc/0xe4 [ 50.597583][ T4734] el0t_64_sync+0x1a0/0x1a4 [ 50.599233][ T4734] ------------[ cut here ]------------ [ 50.600217][ T4734] WARNING: CPU: 1 PID: 4734 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 50.601786][ T4734] Modules linked in: [ 50.602449][ T4734] CPU: 1 PID: 4734 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.603938][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.605581][ T4734] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.606902][ T4734] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 50.607854][ T4734] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 50.608853][ T4734] sp : ffff80001fa27440 [ 50.609544][ T4734] x29: ffff80001fa27560 x28: dfff800000000000 x27: 0000000000000000 [ 50.610823][ T4734] x26: ffff0000c24e9f00 x25: ffff80001fa27890 x24: ffff0000de7d89d0 [ 50.612191][ T4734] x23: ffff700003f44e98 x22: 00000000fffffff4 x21: 1fffe0001bcb4355 [ 50.613528][ T4734] x20: ffff0000de5a1a50 x19: ffff0000de5a1aa8 x18: 0000000000000001 [ 50.614830][ T4734] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 50.616192][ T4734] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.617543][ T4734] x11: 0000000000000000 x10: 0000000000000000 x9 : 93f6728d55050a00 [ 50.618978][ T4734] x8 : 93f6728d55050a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.620343][ T4734] x5 : ffff80001fa26d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.621698][ T4734] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.623036][ T4734] Call trace: [ 50.623609][ T4734] btrfs_replace_file_extents+0xcc4/0x1238 [ 50.624557][ T4734] btrfs_clone+0xb7c/0x1d14 [ 50.625292][ T4734] btrfs_clone_files+0x278/0x320 [ 50.626118][ T4734] btrfs_remap_file_range+0x488/0xb9c [ 50.627010][ T4734] vfs_copy_file_range+0xab0/0x10fc [ 50.627891][ T4734] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.628868][ T4734] invoke_syscall+0x98/0x2b0 [ 50.629599][ T4734] el0_svc_common+0x138/0x258 [ 50.630386][ T4734] do_el0_svc+0x58/0x13c [ 50.631074][ T4734] el0_svc+0x78/0x1d0 [ 50.631717][ T4734] el0t_64_sync_handler+0xcc/0xe4 [ 50.632573][ T4734] el0t_64_sync+0x1a0/0x1a4 [ 50.633299][ T4734] irq event stamp: 81138 [ 50.633994][ T4734] hardirqs last enabled at (81137): [] __up_console_sem+0xb4/0xfc [ 50.635536][ T4734] hardirqs last disabled at (81138): [] el1_dbg+0x24/0x80 [ 50.637111][ T4734] softirqs last enabled at (81118): [] handle_softirqs+0xa40/0xbe4 [ 50.638758][ T4734] softirqs last disabled at (81029): [] __irq_exit_rcu+0x240/0x43c [ 50.640320][ T4734] ---[ end trace b1243b3c039d752c ]--- [ 50.642525][ T4734] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 50.644120][ T4734] BTRFS info (device loop0): forced readonly [ 50.799911][ T4759] loop0: detected capacity change from 0 to 32768 [ 50.804289][ T4759] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4759) [ 50.808711][ T4759] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.810306][ T4759] BTRFS info (device loop0): setting nodatacow, compression disabled [ 50.811703][ T4759] BTRFS info (device loop0): turning on flush-on-commit [ 50.813073][ T4759] BTRFS info (device loop0): disabling tree log [ 50.814090][ T4759] BTRFS info (device loop0): enabling auto defrag [ 50.815170][ T4759] BTRFS info (device loop0): using free space tree [ 50.816328][ T4759] BTRFS info (device loop0): has skinny extents [ 50.824846][ T4759] BTRFS info (device loop0): enabling ssd optimizations [ 50.830196][ T4759] FAULT_INJECTION: forcing a failure. [ 50.830196][ T4759] name failslab, interval 1, probability 0, space 0, times 0 [ 50.832351][ T4759] CPU: 0 PID: 4759 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.833871][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.835652][ T4759] Call trace: [ 50.836234][ T4759] dump_backtrace+0x0/0x458 [ 50.837034][ T4759] show_stack+0x2c/0x3c [ 50.837712][ T4759] __dump_stack+0x30/0x40 [ 50.838440][ T4759] dump_stack_lvl+0xf4/0x15c [ 50.839168][ T4759] dump_stack+0x1c/0x5c [ 50.839872][ T4759] should_fail+0x3bc/0x514 [ 50.840515][ T4759] __should_failslab+0xbc/0x10c [ 50.841230][ T4759] should_failslab+0x10/0x28 [ 50.842021][ T4759] slab_pre_alloc_hook+0x64/0xe8 [ 50.842828][ T4759] kmem_cache_alloc+0x94/0x3d4 [ 50.843592][ T4759] alloc_extent_map+0x28/0x128 [ 50.844393][ T4759] btrfs_drop_extent_cache+0x164/0xd90 [ 50.845323][ T4759] btrfs_drop_extents+0x2e8/0x2254 [ 50.846147][ T4759] btrfs_replace_file_extents+0x338/0x1238 [ 50.847057][ T4759] btrfs_clone+0xb7c/0x1d14 [ 50.847765][ T4759] btrfs_clone_files+0x278/0x320 [ 50.848514][ T4759] btrfs_remap_file_range+0x488/0xb9c [ 50.849320][ T4759] vfs_copy_file_range+0xab0/0x10fc [ 50.850113][ T4759] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.851125][ T4759] invoke_syscall+0x98/0x2b0 [ 50.851894][ T4759] el0_svc_common+0x138/0x258 [ 50.852686][ T4759] do_el0_svc+0x58/0x13c [ 50.853438][ T4759] el0_svc+0x78/0x1d0 [ 50.854082][ T4759] el0t_64_sync_handler+0xcc/0xe4 [ 50.854928][ T4759] el0t_64_sync+0x1a0/0x1a4 [ 51.059612][ T4780] loop0: detected capacity change from 0 to 32768 [ 51.062293][ T4780] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4780) [ 51.066468][ T4780] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.067987][ T4780] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.069264][ T4780] BTRFS info (device loop0): turning on flush-on-commit [ 51.070470][ T4780] BTRFS info (device loop0): disabling tree log [ 51.071427][ T4780] BTRFS info (device loop0): enabling auto defrag [ 51.072529][ T4780] BTRFS info (device loop0): using free space tree [ 51.074359][ T4780] BTRFS info (device loop0): has skinny extents [ 51.087040][ T4780] BTRFS info (device loop0): enabling ssd optimizations [ 51.093270][ T4780] FAULT_INJECTION: forcing a failure. [ 51.093270][ T4780] name failslab, interval 1, probability 0, space 0, times 0 [ 51.095410][ T4780] CPU: 1 PID: 4780 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.096761][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.098324][ T4780] Call trace: [ 51.098857][ T4780] dump_backtrace+0x0/0x458 [ 51.099538][ T4780] show_stack+0x2c/0x3c [ 51.100188][ T4780] __dump_stack+0x30/0x40 [ 51.100793][ T4780] dump_stack_lvl+0xf4/0x15c [ 51.101493][ T4780] dump_stack+0x1c/0x5c [ 51.102137][ T4780] should_fail+0x3bc/0x514 [ 51.102829][ T4780] __should_failslab+0xbc/0x10c [ 51.103564][ T4780] should_failslab+0x10/0x28 [ 51.104427][ T4780] slab_pre_alloc_hook+0x64/0xe8 [ 51.105239][ T4780] kmem_cache_alloc+0x94/0x3d4 [ 51.105936][ T4780] alloc_extent_map+0x28/0x128 [ 51.106720][ T4780] btrfs_drop_extent_cache+0x164/0xd90 [ 51.107554][ T4780] btrfs_drop_extents+0x2e8/0x2254 [ 51.108379][ T4780] btrfs_replace_file_extents+0x338/0x1238 [ 51.109334][ T4780] btrfs_clone+0xb7c/0x1d14 [ 51.110000][ T4780] btrfs_clone_files+0x278/0x320 [ 51.110855][ T4780] btrfs_remap_file_range+0x488/0xb9c [ 51.111812][ T4780] vfs_copy_file_range+0xab0/0x10fc [ 51.112723][ T4780] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.113710][ T4780] invoke_syscall+0x98/0x2b0 [ 51.114387][ T4780] el0_svc_common+0x138/0x258 [ 51.115145][ T4780] do_el0_svc+0x58/0x13c [ 51.115874][ T4780] el0_svc+0x78/0x1d0 [ 51.116543][ T4780] el0t_64_sync_handler+0xcc/0xe4 [ 51.117296][ T4780] el0t_64_sync+0x1a0/0x1a4 [ 51.152984][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 51.320124][ T4801] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4801) [ 51.325987][ T4801] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.327555][ T4801] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.328869][ T4801] BTRFS info (device loop0): turning on flush-on-commit [ 51.330092][ T4801] BTRFS info (device loop0): disabling tree log [ 51.331061][ T4801] BTRFS info (device loop0): enabling auto defrag [ 51.332251][ T4801] BTRFS info (device loop0): using free space tree [ 51.333631][ T4801] BTRFS info (device loop0): has skinny extents [ 51.342121][ T4801] BTRFS info (device loop0): enabling ssd optimizations [ 51.348240][ T4801] FAULT_INJECTION: forcing a failure. [ 51.348240][ T4801] name failslab, interval 1, probability 0, space 0, times 0 [ 51.350367][ T4801] CPU: 1 PID: 4801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.351816][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.353453][ T4801] Call trace: [ 51.354003][ T4801] dump_backtrace+0x0/0x458 [ 51.354775][ T4801] show_stack+0x2c/0x3c [ 51.355478][ T4801] __dump_stack+0x30/0x40 [ 51.356214][ T4801] dump_stack_lvl+0xf4/0x15c [ 51.356997][ T4801] dump_stack+0x1c/0x5c [ 51.357738][ T4801] should_fail+0x3bc/0x514 [ 51.358551][ T4801] __should_failslab+0xbc/0x10c [ 51.359419][ T4801] should_failslab+0x10/0x28 [ 51.360194][ T4801] slab_pre_alloc_hook+0x64/0xe8 [ 51.360985][ T4801] kmem_cache_alloc+0x94/0x3d4 [ 51.361808][ T4801] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 51.362845][ T4801] btrfs_inc_extent_ref+0x100/0x198 [ 51.363754][ T4801] btrfs_insert_replace_extent+0x6a0/0x9cc [ 51.364713][ T4801] btrfs_replace_file_extents+0x89c/0x1238 [ 51.365699][ T4801] btrfs_clone+0xb7c/0x1d14 [ 51.366407][ T4801] btrfs_clone_files+0x278/0x320 [ 51.367174][ T4801] btrfs_remap_file_range+0x488/0xb9c [ 51.368067][ T4801] vfs_copy_file_range+0xab0/0x10fc [ 51.368908][ T4801] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.369800][ T4801] invoke_syscall+0x98/0x2b0 [ 51.370537][ T4801] el0_svc_common+0x138/0x258 [ 51.371223][ T4801] do_el0_svc+0x58/0x13c [ 51.372004][ T4801] el0_svc+0x78/0x1d0 [ 51.372669][ T4801] el0t_64_sync_handler+0xcc/0xe4 [ 51.373530][ T4801] el0t_64_sync+0x1a0/0x1a4 [ 51.376011][ T4801] ------------[ cut here ]------------ [ 51.377039][ T4801] WARNING: CPU: 1 PID: 4801 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 51.378662][ T4801] Modules linked in: [ 51.379338][ T4801] CPU: 1 PID: 4801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.380811][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.382438][ T4801] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.383654][ T4801] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 51.384708][ T4801] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 51.385718][ T4801] sp : ffff80001ffb7440 [ 51.386399][ T4801] x29: ffff80001ffb7560 x28: dfff800000000000 x27: 0000000000000000 [ 51.387713][ T4801] x26: ffff0000d04f9400 x25: ffff80001ffb7890 x24: ffff0000de7dd850 [ 51.389015][ T4801] x23: ffff700003ff6e98 x22: 00000000fffffff4 x21: 1fffe0001bca704d [ 51.390256][ T4801] x20: ffff0000de538210 x19: ffff0000de538268 x18: 0000000000000001 [ 51.391544][ T4801] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 51.392831][ T4801] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 51.394082][ T4801] x11: 0000000000000000 x10: 0000000000000000 x9 : 39342584713b1d00 [ 51.395254][ T4801] x8 : 39342584713b1d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.396461][ T4801] x5 : ffff80001ffb6d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 51.397725][ T4801] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.399013][ T4801] Call trace: [ 51.399522][ T4801] btrfs_replace_file_extents+0xcc4/0x1238 [ 51.400432][ T4801] btrfs_clone+0xb7c/0x1d14 [ 51.401144][ T4801] btrfs_clone_files+0x278/0x320 [ 51.401882][ T4801] btrfs_remap_file_range+0x488/0xb9c [ 51.402819][ T4801] vfs_copy_file_range+0xab0/0x10fc [ 51.403761][ T4801] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.404671][ T4801] invoke_syscall+0x98/0x2b0 [ 51.405360][ T4801] el0_svc_common+0x138/0x258 [ 51.406145][ T4801] do_el0_svc+0x58/0x13c [ 51.406800][ T4801] el0_svc+0x78/0x1d0 [ 51.407482][ T4801] el0t_64_sync_handler+0xcc/0xe4 [ 51.408253][ T4801] el0t_64_sync+0x1a0/0x1a4 [ 51.409033][ T4801] irq event stamp: 81426 [ 51.409693][ T4801] hardirqs last enabled at (81425): [] __up_console_sem+0xb4/0xfc [ 51.411325][ T4801] hardirqs last disabled at (81426): [] el1_dbg+0x24/0x80 [ 51.412751][ T4801] softirqs last enabled at (81400): [] handle_softirqs+0xa40/0xbe4 [ 51.414255][ T4801] softirqs last disabled at (81247): [] __irq_exit_rcu+0x240/0x43c [ 51.415800][ T4801] ---[ end trace b1243b3c039d752d ]--- [ 51.418178][ T4801] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.419754][ T4801] BTRFS info (device loop0): forced readonly [ 51.614858][ T4822] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4822) [ 51.624515][ T4822] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.626075][ T4822] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.627330][ T4822] BTRFS info (device loop0): turning on flush-on-commit [ 51.628441][ T4822] BTRFS info (device loop0): disabling tree log [ 51.629526][ T4822] BTRFS info (device loop0): enabling auto defrag [ 51.630610][ T4822] BTRFS info (device loop0): using free space tree [ 51.631664][ T4822] BTRFS info (device loop0): has skinny extents [ 51.641479][ T4822] BTRFS info (device loop0): enabling ssd optimizations [ 51.648385][ T4822] FAULT_INJECTION: forcing a failure. [ 51.648385][ T4822] name failslab, interval 1, probability 0, space 0, times 0 [ 51.650765][ T4822] CPU: 1 PID: 4822 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.652346][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.653940][ T4822] Call trace: [ 51.654458][ T4822] dump_backtrace+0x0/0x458 [ 51.655219][ T4822] show_stack+0x2c/0x3c [ 51.656001][ T4822] __dump_stack+0x30/0x40 [ 51.656782][ T4822] dump_stack_lvl+0xf4/0x15c [ 51.657712][ T4822] dump_stack+0x1c/0x5c [ 51.658400][ T4822] should_fail+0x3bc/0x514 [ 51.659151][ T4822] __should_failslab+0xbc/0x10c [ 51.659913][ T4822] should_failslab+0x10/0x28 [ 51.660676][ T4822] slab_pre_alloc_hook+0x64/0xe8 [ 51.661475][ T4822] kmem_cache_alloc+0x94/0x3d4 [ 51.662200][ T4822] alloc_extent_map+0x28/0x128 [ 51.662924][ T4822] btrfs_drop_extent_cache+0x154/0xd90 [ 51.663807][ T4822] btrfs_drop_extents+0x2e8/0x2254 [ 51.664600][ T4822] btrfs_replace_file_extents+0x338/0x1238 [ 51.665551][ T4822] btrfs_clone+0xb7c/0x1d14 [ 51.666366][ T4822] btrfs_clone_files+0x278/0x320 [ 51.667290][ T4822] btrfs_remap_file_range+0x488/0xb9c [ 51.668212][ T4822] vfs_copy_file_range+0xab0/0x10fc [ 51.668985][ T4822] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.669960][ T4822] invoke_syscall+0x98/0x2b0 [ 51.670709][ T4822] el0_svc_common+0x138/0x258 [ 51.671510][ T4822] do_el0_svc+0x58/0x13c [ 51.672242][ T4822] el0_svc+0x78/0x1d0 [ 51.672882][ T4822] el0t_64_sync_handler+0xcc/0xe4 [ 51.673689][ T4822] el0t_64_sync+0x1a0/0x1a4 [ 51.864961][ T4843] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4843) [ 51.883157][ T4843] FAULT_INJECTION: forcing a failure. [ 51.883157][ T4843] name failslab, interval 1, probability 0, space 0, times 0 [ 51.885366][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.886767][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.888517][ T4843] Call trace: [ 51.889012][ T4843] dump_backtrace+0x0/0x458 [ 51.889743][ T4843] show_stack+0x2c/0x3c [ 51.890436][ T4843] __dump_stack+0x30/0x40 [ 51.891158][ T4843] dump_stack_lvl+0xf4/0x15c [ 51.891906][ T4843] dump_stack+0x1c/0x5c [ 51.892594][ T4843] should_fail+0x3bc/0x514 [ 51.893356][ T4843] __should_failslab+0xbc/0x10c [ 51.894182][ T4843] should_failslab+0x10/0x28 [ 51.894955][ T4843] slab_pre_alloc_hook+0x64/0xe8 [ 51.895720][ T4843] kmem_cache_alloc+0x94/0x3d4 [ 51.896459][ T4843] btrfs_add_delayed_data_ref+0x160/0xd08 [ 51.897376][ T4843] btrfs_inc_extent_ref+0x100/0x198 [ 51.898201][ T4843] btrfs_insert_replace_extent+0x6a0/0x9cc [ 51.899126][ T4843] btrfs_replace_file_extents+0x89c/0x1238 [ 51.900073][ T4843] btrfs_clone+0xb7c/0x1d14 [ 51.900774][ T4843] btrfs_clone_files+0x278/0x320 [ 51.901579][ T4843] btrfs_remap_file_range+0x488/0xb9c [ 51.902416][ T4843] vfs_copy_file_range+0xab0/0x10fc [ 51.903222][ T4843] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.904252][ T4843] invoke_syscall+0x98/0x2b0 [ 51.904961][ T4843] el0_svc_common+0x138/0x258 [ 51.905709][ T4843] do_el0_svc+0x58/0x13c [ 51.906354][ T4843] el0_svc+0x78/0x1d0 [ 51.906986][ T4843] el0t_64_sync_handler+0xcc/0xe4 [ 51.907820][ T4843] el0t_64_sync+0x1a0/0x1a4 [ 51.908886][ T4843] ------------[ cut here ]------------ [ 51.909863][ T4843] WARNING: CPU: 1 PID: 4843 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 51.911520][ T4843] Modules linked in: [ 51.912149][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.913601][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.915288][ T4843] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.916542][ T4843] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 51.917534][ T4843] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 51.918438][ T4843] sp : ffff80001ffb7440 [ 51.919081][ T4843] x29: ffff80001ffb7560 x28: dfff800000000000 x27: 0000000000000000 [ 51.920262][ T4843] x26: ffff0000dacf3b00 x25: ffff80001ffb7890 x24: ffff0000de7b2740 [ 51.921636][ T4843] x23: ffff700003ff6e98 x22: 00000000fffffff4 x21: 1fffe0001bca7129 [ 51.922799][ T4843] x20: ffff0000de5388f0 x19: ffff0000de538948 x18: 0000000000000001 [ 51.924002][ T4843] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 51.925264][ T4843] x14: 0000000000000001 x13: 1ffff00003ff6da8 x12: 0000000000ff0100 [ 51.926461][ T4843] x11: 0000000000000000 x10: 0000000000000000 x9 : 68efed31427e6300 [ 51.927646][ T4843] x8 : 68efed31427e6300 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.928958][ T4843] x5 : ffff80001ffb6d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 51.930179][ T4843] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.931410][ T4843] Call trace: [ 51.931905][ T4843] btrfs_replace_file_extents+0xcc4/0x1238 [ 51.932794][ T4843] btrfs_clone+0xb7c/0x1d14 [ 51.933407][ T4843] btrfs_clone_files+0x278/0x320 [ 51.934204][ T4843] btrfs_remap_file_range+0x488/0xb9c [ 51.935016][ T4843] vfs_copy_file_range+0xab0/0x10fc [ 51.935792][ T4843] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.936672][ T4843] invoke_syscall+0x98/0x2b0 [ 51.937396][ T4843] el0_svc_common+0x138/0x258 [ 51.938170][ T4843] do_el0_svc+0x58/0x13c [ 51.938838][ T4843] el0_svc+0x78/0x1d0 [ 51.939484][ T4843] el0t_64_sync_handler+0xcc/0xe4 [ 51.940300][ T4843] el0t_64_sync+0x1a0/0x1a4 [ 51.941079][ T4843] irq event stamp: 81740 [ 51.941820][ T4843] hardirqs last enabled at (81739): [] __up_console_sem+0xb4/0xfc [ 51.943461][ T4843] hardirqs last disabled at (81740): [] el1_dbg+0x24/0x80 [ 51.944794][ T4843] softirqs last enabled at (81720): [] handle_softirqs+0xa40/0xbe4 [ 51.946386][ T4843] softirqs last disabled at (81617): [] __irq_exit_rcu+0x240/0x43c [ 51.947816][ T4843] ---[ end trace b1243b3c039d752e ]--- [ 51.949691][ T4843] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.150326][ T4864] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4864) [ 52.179161][ T4864] FAULT_INJECTION: forcing a failure. [ 52.179161][ T4864] name failslab, interval 1, probability 0, space 0, times 0 [ 52.181378][ T4864] CPU: 1 PID: 4864 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.182905][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.184457][ T4864] Call trace: [ 52.184920][ T4864] dump_backtrace+0x0/0x458 [ 52.185631][ T4864] show_stack+0x2c/0x3c [ 52.186372][ T4864] __dump_stack+0x30/0x40 [ 52.187069][ T4864] dump_stack_lvl+0xf4/0x15c [ 52.187799][ T4864] dump_stack+0x1c/0x5c [ 52.188505][ T4864] should_fail+0x3bc/0x514 [ 52.189217][ T4864] __should_failslab+0xbc/0x10c [ 52.190060][ T4864] should_failslab+0x10/0x28 [ 52.190848][ T4864] slab_pre_alloc_hook+0x64/0xe8 [ 52.191606][ T4864] kmem_cache_alloc+0x94/0x3d4 [ 52.192397][ T4864] btrfs_add_delayed_data_ref+0x160/0xd08 [ 52.193271][ T4864] btrfs_inc_extent_ref+0x100/0x198 [ 52.193973][ T4864] btrfs_insert_replace_extent+0x6a0/0x9cc [ 52.194816][ T4864] btrfs_replace_file_extents+0x89c/0x1238 [ 52.195725][ T4864] btrfs_clone+0xb7c/0x1d14 [ 52.196430][ T4864] btrfs_clone_files+0x278/0x320 [ 52.197226][ T4864] btrfs_remap_file_range+0x488/0xb9c [ 52.198057][ T4864] vfs_copy_file_range+0xab0/0x10fc [ 52.199012][ T4864] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.199971][ T4864] invoke_syscall+0x98/0x2b0 [ 52.200676][ T4864] el0_svc_common+0x138/0x258 [ 52.201419][ T4864] do_el0_svc+0x58/0x13c [ 52.202381][ T4864] el0_svc+0x78/0x1d0 [ 52.203050][ T4864] el0t_64_sync_handler+0xcc/0xe4 [ 52.203841][ T4864] el0t_64_sync+0x1a0/0x1a4 [ 52.205347][ T4864] ------------[ cut here ]------------ [ 52.206263][ T4864] WARNING: CPU: 1 PID: 4864 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 52.207849][ T4864] Modules linked in: [ 52.208479][ T4864] CPU: 1 PID: 4864 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.209952][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.211626][ T4864] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.212859][ T4864] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.213944][ T4864] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.214919][ T4864] sp : ffff800020537440 [ 52.215558][ T4864] x29: ffff800020537560 x28: dfff800000000000 x27: 0000000000000000 [ 52.216825][ T4864] x26: ffff0000ca0d6000 x25: ffff800020537890 x24: ffff0000de7b4e80 [ 52.218080][ T4864] x23: ffff7000040a6e98 x22: 00000000fffffff4 x21: 1fffe0001bca7181 [ 52.219317][ T4864] x20: ffff0000de538bb0 x19: ffff0000de538c08 x18: 0000000000000001 [ 52.220727][ T4864] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 52.222108][ T4864] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 52.223455][ T4864] x11: 0000000000000000 x10: 0000000000000000 x9 : b44e3945ed36be00 [ 52.224839][ T4864] x8 : b44e3945ed36be00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.226168][ T4864] x5 : ffff800020536d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.227540][ T4864] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.228826][ T4864] Call trace: [ 52.229378][ T4864] btrfs_replace_file_extents+0xcc4/0x1238 [ 52.230414][ T4864] btrfs_clone+0xb7c/0x1d14 [ 52.231191][ T4864] btrfs_clone_files+0x278/0x320 [ 52.232039][ T4864] btrfs_remap_file_range+0x488/0xb9c [ 52.233050][ T4864] vfs_copy_file_range+0xab0/0x10fc [ 52.233958][ T4864] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.234890][ T4864] invoke_syscall+0x98/0x2b0 [ 52.235583][ T4864] el0_svc_common+0x138/0x258 [ 52.236315][ T4864] do_el0_svc+0x58/0x13c [ 52.236949][ T4864] el0_svc+0x78/0x1d0 [ 52.237605][ T4864] el0t_64_sync_handler+0xcc/0xe4 [ 52.238400][ T4864] el0t_64_sync+0x1a0/0x1a4 [ 52.239171][ T4864] irq event stamp: 80496 [ 52.239806][ T4864] hardirqs last enabled at (80495): [] __up_console_sem+0xb4/0xfc [ 52.241316][ T4864] hardirqs last disabled at (80496): [] el1_dbg+0x24/0x80 [ 52.242744][ T4864] softirqs last enabled at (80476): [] handle_softirqs+0xa40/0xbe4 [ 52.244244][ T4864] softirqs last disabled at (80455): [] __irq_exit_rcu+0x240/0x43c [ 52.245661][ T4864] ---[ end trace b1243b3c039d752f ]--- [ 52.248026][ T4864] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory 1970/01/01 00:00:52 executed programs: 14 [ 52.449480][ T4885] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4885) [ 52.471585][ T4885] FAULT_INJECTION: forcing a failure. [ 52.471585][ T4885] name failslab, interval 1, probability 0, space 0, times 0 [ 52.474386][ T4885] CPU: 1 PID: 4885 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.475762][ T4885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.477480][ T4885] Call trace: [ 52.477976][ T4885] dump_backtrace+0x0/0x458 [ 52.478775][ T4885] show_stack+0x2c/0x3c [ 52.479438][ T4885] __dump_stack+0x30/0x40 [ 52.480167][ T4885] dump_stack_lvl+0xf4/0x15c [ 52.480935][ T4885] dump_stack+0x1c/0x5c [ 52.481683][ T4885] should_fail+0x3bc/0x514 [ 52.482454][ T4885] __should_failslab+0xbc/0x10c [ 52.483331][ T4885] should_failslab+0x10/0x28 [ 52.484067][ T4885] slab_pre_alloc_hook+0x64/0xe8 [ 52.484902][ T4885] kmem_cache_alloc+0x94/0x3d4 [ 52.485679][ T4885] btrfs_add_delayed_data_ref+0x160/0xd08 [ 52.486620][ T4885] btrfs_inc_extent_ref+0x100/0x198 [ 52.487619][ T4885] btrfs_insert_replace_extent+0x6a0/0x9cc [ 52.488555][ T4885] btrfs_replace_file_extents+0x89c/0x1238 [ 52.489512][ T4885] btrfs_clone+0xb7c/0x1d14 [ 52.490219][ T4885] btrfs_clone_files+0x278/0x320 [ 52.491118][ T4885] btrfs_remap_file_range+0x488/0xb9c [ 52.491898][ T4885] vfs_copy_file_range+0xab0/0x10fc [ 52.492777][ T4885] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.493766][ T4885] invoke_syscall+0x98/0x2b0 [ 52.494480][ T4885] el0_svc_common+0x138/0x258 [ 52.495328][ T4885] do_el0_svc+0x58/0x13c [ 52.496006][ T4885] el0_svc+0x78/0x1d0 [ 52.496651][ T4885] el0t_64_sync_handler+0xcc/0xe4 [ 52.497420][ T4885] el0t_64_sync+0x1a0/0x1a4 [ 52.499251][ T4885] ------------[ cut here ]------------ [ 52.500174][ T4885] WARNING: CPU: 1 PID: 4885 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 52.501797][ T4885] Modules linked in: [ 52.502480][ T4885] CPU: 1 PID: 4885 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.503872][ T4885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.505393][ T4885] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.506752][ T4885] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.507818][ T4885] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.508807][ T4885] sp : ffff800020537440 [ 52.509425][ T4885] x29: ffff800020537560 x28: dfff800000000000 x27: 0000000000000000 [ 52.510715][ T4885] x26: ffff0000d4fff600 x25: ffff800020537890 x24: ffff0000de7b75c0 [ 52.512046][ T4885] x23: ffff7000040a6e98 x22: 00000000fffffff4 x21: 1fffe0001bca71d9 [ 52.513554][ T4885] x20: ffff0000de538e70 x19: ffff0000de538ec8 x18: 0000000000000001 [ 52.514882][ T4885] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 52.516299][ T4885] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 52.517651][ T4885] x11: 0000000000000000 x10: 0000000000000000 x9 : 9e0ba730d5ba1000 [ 52.518936][ T4885] x8 : 9e0ba730d5ba1000 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.520425][ T4885] x5 : ffff800020536d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.521723][ T4885] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.523049][ T4885] Call trace: [ 52.523592][ T4885] btrfs_replace_file_extents+0xcc4/0x1238 [ 52.524539][ T4885] btrfs_clone+0xb7c/0x1d14 [ 52.525266][ T4885] btrfs_clone_files+0x278/0x320 [ 52.526097][ T4885] btrfs_remap_file_range+0x488/0xb9c [ 52.526951][ T4885] vfs_copy_file_range+0xab0/0x10fc [ 52.527815][ T4885] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.528769][ T4885] invoke_syscall+0x98/0x2b0 [ 52.529522][ T4885] el0_svc_common+0x138/0x258 [ 52.530330][ T4885] do_el0_svc+0x58/0x13c [ 52.531031][ T4885] el0_svc+0x78/0x1d0 [ 52.531691][ T4885] el0t_64_sync_handler+0xcc/0xe4 [ 52.532469][ T4885] el0t_64_sync+0x1a0/0x1a4 [ 52.533230][ T4885] irq event stamp: 80864 [ 52.533927][ T4885] hardirqs last enabled at (80863): [] __up_console_sem+0xb4/0xfc [ 52.535339][ T4885] hardirqs last disabled at (80864): [] el1_dbg+0x24/0x80 [ 52.536743][ T4885] softirqs last enabled at (80844): [] handle_softirqs+0xa40/0xbe4 [ 52.538255][ T4885] softirqs last disabled at (80685): [] __irq_exit_rcu+0x240/0x43c [ 52.539727][ T4885] ---[ end trace b1243b3c039d7530 ]--- [ 52.541938][ T4885] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.723959][ T4906] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4906) [ 52.764031][ T4906] FAULT_INJECTION: forcing a failure. [ 52.764031][ T4906] name failslab, interval 1, probability 0, space 0, times 0 [ 52.766099][ T4906] CPU: 1 PID: 4906 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.767481][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.769021][ T4906] Call trace: [ 52.769507][ T4906] dump_backtrace+0x0/0x458 [ 52.770181][ T4906] show_stack+0x2c/0x3c [ 52.770844][ T4906] __dump_stack+0x30/0x40 [ 52.771507][ T4906] dump_stack_lvl+0xf4/0x15c [ 52.772242][ T4906] dump_stack+0x1c/0x5c [ 52.772979][ T4906] should_fail+0x3bc/0x514 [ 52.773790][ T4906] __should_failslab+0xbc/0x10c [ 52.774520][ T4906] should_failslab+0x10/0x28 [ 52.775324][ T4906] slab_pre_alloc_hook+0x64/0xe8 [ 52.776152][ T4906] kmem_cache_alloc+0x94/0x3d4 [ 52.776971][ T4906] start_transaction+0x4d0/0x13ec [ 52.777828][ T4906] btrfs_start_transaction+0x34/0x44 [ 52.778644][ T4906] btrfs_replace_file_extents+0x248/0x1238 [ 52.779532][ T4906] btrfs_clone+0xb7c/0x1d14 [ 52.780189][ T4906] btrfs_clone_files+0x278/0x320 [ 52.780977][ T4906] btrfs_remap_file_range+0x488/0xb9c [ 52.781793][ T4906] vfs_copy_file_range+0xab0/0x10fc [ 52.782672][ T4906] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.783656][ T4906] invoke_syscall+0x98/0x2b0 [ 52.784450][ T4906] el0_svc_common+0x138/0x258 [ 52.785213][ T4906] do_el0_svc+0x58/0x13c [ 52.785888][ T4906] el0_svc+0x78/0x1d0 [ 52.786548][ T4906] el0t_64_sync_handler+0xcc/0xe4 [ 52.787421][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 53.054208][ T4927] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4927) [ 53.082207][ T4927] FAULT_INJECTION: forcing a failure. [ 53.082207][ T4927] name failslab, interval 1, probability 0, space 0, times 0 [ 53.084929][ T4927] CPU: 1 PID: 4927 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.086251][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.087962][ T4927] Call trace: [ 53.088572][ T4927] dump_backtrace+0x0/0x458 [ 53.089323][ T4927] show_stack+0x2c/0x3c [ 53.089931][ T4927] __dump_stack+0x30/0x40 [ 53.090701][ T4927] dump_stack_lvl+0xf4/0x15c [ 53.091429][ T4927] dump_stack+0x1c/0x5c [ 53.092088][ T4927] should_fail+0x3bc/0x514 [ 53.092797][ T4927] __should_failslab+0xbc/0x10c [ 53.093612][ T4927] should_failslab+0x10/0x28 [ 53.094356][ T4927] slab_pre_alloc_hook+0x64/0xe8 [ 53.095263][ T4927] kmem_cache_alloc+0x94/0x3d4 [ 53.096038][ T4927] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 53.096967][ T4927] btrfs_inc_extent_ref+0x100/0x198 [ 53.097829][ T4927] btrfs_insert_replace_extent+0x6a0/0x9cc [ 53.098785][ T4927] btrfs_replace_file_extents+0x89c/0x1238 [ 53.099819][ T4927] btrfs_clone+0xb7c/0x1d14 [ 53.100573][ T4927] btrfs_clone_files+0x278/0x320 [ 53.101382][ T4927] btrfs_remap_file_range+0x488/0xb9c [ 53.102281][ T4927] vfs_copy_file_range+0xab0/0x10fc [ 53.103060][ T4927] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.104000][ T4927] invoke_syscall+0x98/0x2b0 [ 53.104712][ T4927] el0_svc_common+0x138/0x258 [ 53.105409][ T4927] do_el0_svc+0x58/0x13c [ 53.106059][ T4927] el0_svc+0x78/0x1d0 [ 53.106716][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 53.107512][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 53.109082][ T4927] ------------[ cut here ]------------ [ 53.110011][ T4927] WARNING: CPU: 1 PID: 4927 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 53.111575][ T4927] Modules linked in: [ 53.112201][ T4927] CPU: 1 PID: 4927 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.113734][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.115473][ T4927] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.116815][ T4927] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.117898][ T4927] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.118926][ T4927] sp : ffff800020a47440 [ 53.119687][ T4927] x29: ffff800020a47560 x28: dfff800000000000 x27: 0000000000000000 [ 53.120959][ T4927] x26: ffff0000d1749200 x25: ffff800020a47890 x24: ffff0000de6cce80 [ 53.122340][ T4927] x23: ffff700004148e98 x22: 00000000fffffff4 x21: 1fffe0001bca864d [ 53.123653][ T4927] x20: ffff0000de543210 x19: ffff0000de543268 x18: 0000000000000001 [ 53.125049][ T4927] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 53.126370][ T4927] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.127768][ T4927] x11: 0000000000000000 x10: 0000000000000000 x9 : 6799bd8cb158e700 [ 53.129102][ T4927] x8 : 6799bd8cb158e700 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.130478][ T4927] x5 : ffff800020a46d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.131779][ T4927] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.133189][ T4927] Call trace: [ 53.133725][ T4927] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.134705][ T4927] btrfs_clone+0xb7c/0x1d14 [ 53.135421][ T4927] btrfs_clone_files+0x278/0x320 [ 53.136263][ T4927] btrfs_remap_file_range+0x488/0xb9c [ 53.137082][ T4927] vfs_copy_file_range+0xab0/0x10fc [ 53.137943][ T4927] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.138866][ T4927] invoke_syscall+0x98/0x2b0 [ 53.139640][ T4927] el0_svc_common+0x138/0x258 [ 53.140369][ T4927] do_el0_svc+0x58/0x13c [ 53.141011][ T4927] el0_svc+0x78/0x1d0 [ 53.141665][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 53.142448][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 53.143198][ T4927] irq event stamp: 80736 [ 53.143871][ T4927] hardirqs last enabled at (80735): [] __up_console_sem+0xb4/0xfc [ 53.145317][ T4927] hardirqs last disabled at (80736): [] el1_dbg+0x24/0x80 [ 53.146752][ T4927] softirqs last enabled at (80712): [] handle_softirqs+0xa40/0xbe4 [ 53.148302][ T4927] softirqs last disabled at (80693): [] __irq_exit_rcu+0x240/0x43c [ 53.149826][ T4927] ---[ end trace b1243b3c039d7531 ]--- [ 53.152044][ T4927] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.232685][ T4460] Bluetooth: hci0: command 0x040f tx timeout [ 53.345451][ T4948] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4948) [ 53.361938][ T4948] FAULT_INJECTION: forcing a failure. [ 53.361938][ T4948] name failslab, interval 1, probability 0, space 0, times 0 [ 53.364199][ T4948] CPU: 0 PID: 4948 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.365652][ T4948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.367265][ T4948] Call trace: [ 53.367738][ T4948] dump_backtrace+0x0/0x458 [ 53.368402][ T4948] show_stack+0x2c/0x3c [ 53.369054][ T4948] __dump_stack+0x30/0x40 [ 53.369822][ T4948] dump_stack_lvl+0xf4/0x15c [ 53.370562][ T4948] dump_stack+0x1c/0x5c [ 53.371243][ T4948] should_fail+0x3bc/0x514 [ 53.371983][ T4948] __should_failslab+0xbc/0x10c [ 53.372799][ T4948] should_failslab+0x10/0x28 [ 53.373567][ T4948] slab_pre_alloc_hook+0x64/0xe8 [ 53.374410][ T4948] kmem_cache_alloc+0x94/0x3d4 [ 53.375223][ T4948] btrfs_add_delayed_data_ref+0x160/0xd08 [ 53.376134][ T4948] btrfs_inc_extent_ref+0x100/0x198 [ 53.377017][ T4948] btrfs_insert_replace_extent+0x6a0/0x9cc [ 53.377897][ T4948] btrfs_replace_file_extents+0x89c/0x1238 [ 53.378804][ T4948] btrfs_clone+0xb7c/0x1d14 [ 53.379560][ T4948] btrfs_clone_files+0x278/0x320 [ 53.380355][ T4948] btrfs_remap_file_range+0x488/0xb9c [ 53.381198][ T4948] vfs_copy_file_range+0xab0/0x10fc [ 53.382041][ T4948] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.382959][ T4948] invoke_syscall+0x98/0x2b0 [ 53.383712][ T4948] el0_svc_common+0x138/0x258 [ 53.384490][ T4948] do_el0_svc+0x58/0x13c [ 53.385159][ T4948] el0_svc+0x78/0x1d0 [ 53.385782][ T4948] el0t_64_sync_handler+0xcc/0xe4 [ 53.386568][ T4948] el0t_64_sync+0x1a0/0x1a4 [ 53.387635][ T4948] ------------[ cut here ]------------ [ 53.388465][ T4948] WARNING: CPU: 0 PID: 4948 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 53.389839][ T4948] Modules linked in: [ 53.390491][ T4948] CPU: 0 PID: 4948 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.391949][ T4948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.393555][ T4948] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.394915][ T4948] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.395964][ T4948] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.397002][ T4948] sp : ffff800020b67440 [ 53.397658][ T4948] x29: ffff800020b67560 x28: dfff800000000000 x27: 0000000000000000 [ 53.398947][ T4948] x26: ffff0000d627ff00 x25: ffff800020b67890 x24: ffff0000de7c9d70 [ 53.400140][ T4948] x23: ffff70000416ce98 x22: 00000000fffffff4 x21: 1fffe0001bca7f81 [ 53.401495][ T4948] x20: ffff0000de53fbb0 x19: ffff0000de53fc08 x18: 0000000000000001 [ 53.402853][ T4948] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 53.404130][ T4948] x14: 0000000000000001 x13: 1ffff0000416cda8 x12: 0000000000ff0100 [ 53.405360][ T4948] x11: 0000000000000000 x10: 0000000000000000 x9 : 19aff1b912aec300 [ 53.406706][ T4948] x8 : 19aff1b912aec300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.408107][ T4948] x5 : ffff800020b66d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 53.409393][ T4948] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.410672][ T4948] Call trace: [ 53.411197][ T4948] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.412105][ T4948] btrfs_clone+0xb7c/0x1d14 [ 53.412819][ T4948] btrfs_clone_files+0x278/0x320 [ 53.413583][ T4948] btrfs_remap_file_range+0x488/0xb9c [ 53.414475][ T4948] vfs_copy_file_range+0xab0/0x10fc [ 53.415383][ T4948] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.416306][ T4948] invoke_syscall+0x98/0x2b0 [ 53.417026][ T4948] el0_svc_common+0x138/0x258 [ 53.417797][ T4948] do_el0_svc+0x58/0x13c [ 53.418457][ T4948] el0_svc+0x78/0x1d0 [ 53.419067][ T4948] el0t_64_sync_handler+0xcc/0xe4 [ 53.419776][ T4948] el0t_64_sync+0x1a0/0x1a4 [ 53.420508][ T4948] irq event stamp: 80656 [ 53.421169][ T4948] hardirqs last enabled at (80655): [] __up_console_sem+0xb4/0xfc [ 53.422729][ T4948] hardirqs last disabled at (80656): [] el1_dbg+0x24/0x80 [ 53.424074][ T4948] softirqs last enabled at (80636): [] handle_softirqs+0xa40/0xbe4 [ 53.425644][ T4948] softirqs last disabled at (80551): [] __irq_exit_rcu+0x240/0x43c [ 53.427164][ T4948] ---[ end trace b1243b3c039d7532 ]--- [ 53.428432][ T4948] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.429855][ T4948] btrfs_printk: 52 callbacks suppressed [ 53.429866][ T4948] BTRFS info (device loop0): forced readonly [ 53.621720][ T4969] set_capacity_and_notify: 8 callbacks suppressed [ 53.621730][ T4969] loop0: detected capacity change from 0 to 32768 [ 53.625894][ T4969] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4969) [ 53.630554][ T4969] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.632061][ T4969] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.633411][ T4969] BTRFS info (device loop0): turning on flush-on-commit [ 53.634700][ T4969] BTRFS info (device loop0): disabling tree log [ 53.635919][ T4969] BTRFS info (device loop0): enabling auto defrag [ 53.637071][ T4969] BTRFS info (device loop0): using free space tree [ 53.638180][ T4969] BTRFS info (device loop0): has skinny extents [ 53.646771][ T4969] BTRFS info (device loop0): enabling ssd optimizations [ 53.653237][ T4969] FAULT_INJECTION: forcing a failure. [ 53.653237][ T4969] name failslab, interval 1, probability 0, space 0, times 0 [ 53.655350][ T4969] CPU: 0 PID: 4969 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.656695][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.658163][ T4969] Call trace: [ 53.658640][ T4969] dump_backtrace+0x0/0x458 [ 53.659310][ T4969] show_stack+0x2c/0x3c [ 53.659904][ T4969] __dump_stack+0x30/0x40 [ 53.660575][ T4969] dump_stack_lvl+0xf4/0x15c [ 53.661198][ T4969] dump_stack+0x1c/0x5c [ 53.661815][ T4969] should_fail+0x3bc/0x514 [ 53.662477][ T4969] __should_failslab+0xbc/0x10c [ 53.663271][ T4969] should_failslab+0x10/0x28 [ 53.664047][ T4969] slab_pre_alloc_hook+0x64/0xe8 [ 53.664844][ T4969] kmem_cache_alloc+0x94/0x3d4 [ 53.665666][ T4969] btrfs_add_delayed_data_ref+0x160/0xd08 [ 53.666506][ T4969] btrfs_inc_extent_ref+0x100/0x198 [ 53.667319][ T4969] btrfs_insert_replace_extent+0x6a0/0x9cc [ 53.668245][ T4969] btrfs_replace_file_extents+0x89c/0x1238 [ 53.669198][ T4969] btrfs_clone+0xb7c/0x1d14 [ 53.669925][ T4969] btrfs_clone_files+0x278/0x320 [ 53.670682][ T4969] btrfs_remap_file_range+0x488/0xb9c [ 53.671499][ T4969] vfs_copy_file_range+0xab0/0x10fc [ 53.672304][ T4969] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.673199][ T4969] invoke_syscall+0x98/0x2b0 [ 53.673913][ T4969] el0_svc_common+0x138/0x258 [ 53.674589][ T4969] do_el0_svc+0x58/0x13c [ 53.675269][ T4969] el0_svc+0x78/0x1d0 [ 53.675888][ T4969] el0t_64_sync_handler+0xcc/0xe4 [ 53.676684][ T4969] el0t_64_sync+0x1a0/0x1a4 [ 53.677541][ T4969] ------------[ cut here ]------------ [ 53.678508][ T4969] WARNING: CPU: 0 PID: 4969 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 53.680217][ T4969] Modules linked in: [ 53.680888][ T4969] CPU: 0 PID: 4969 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.682435][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.683944][ T4969] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.685097][ T4969] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.686015][ T4969] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.687022][ T4969] sp : ffff800020b57440 [ 53.687703][ T4969] x29: ffff800020b57560 x28: dfff800000000000 x27: 0000000000000000 [ 53.688952][ T4969] x26: ffff0000d11bdc00 x25: ffff800020b57890 x24: ffff0000de6cf5c0 [ 53.690176][ T4969] x23: ffff70000416ae98 x22: 00000000fffffff4 x21: 1fffe0001bca7fef [ 53.691438][ T4969] x20: ffff0000de53ff20 x19: ffff0000de53ff78 x18: 0000000000000001 [ 53.692654][ T4969] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 53.693955][ T4969] x14: 0000000000000001 x13: 1ffff0000416ada8 x12: 0000000000ff0100 [ 53.695251][ T4969] x11: 0000000000000000 x10: 0000000000000000 x9 : 33beccb46d1e1600 [ 53.696568][ T4969] x8 : 33beccb46d1e1600 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.697867][ T4969] x5 : ffff800020b56d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 53.699206][ T4969] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.700574][ T4969] Call trace: [ 53.701078][ T4969] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.702051][ T4969] btrfs_clone+0xb7c/0x1d14 [ 53.702768][ T4969] btrfs_clone_files+0x278/0x320 [ 53.703555][ T4969] btrfs_remap_file_range+0x488/0xb9c [ 53.704426][ T4969] vfs_copy_file_range+0xab0/0x10fc [ 53.705306][ T4969] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.706284][ T4969] invoke_syscall+0x98/0x2b0 [ 53.706999][ T4969] el0_svc_common+0x138/0x258 [ 53.707746][ T4969] do_el0_svc+0x58/0x13c [ 53.708498][ T4969] el0_svc+0x78/0x1d0 [ 53.709226][ T4969] el0t_64_sync_handler+0xcc/0xe4 [ 53.709998][ T4969] el0t_64_sync+0x1a0/0x1a4 [ 53.710710][ T4969] irq event stamp: 80404 [ 53.711440][ T4969] hardirqs last enabled at (80403): [] __up_console_sem+0xb4/0xfc [ 53.712998][ T4969] hardirqs last disabled at (80404): [] el1_dbg+0x24/0x80 [ 53.714387][ T4969] softirqs last enabled at (80384): [] handle_softirqs+0xa40/0xbe4 [ 53.715855][ T4969] softirqs last disabled at (80373): [] __irq_exit_rcu+0x240/0x43c [ 53.717269][ T4969] ---[ end trace b1243b3c039d7533 ]--- [ 53.718395][ T4969] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.720025][ T4969] BTRFS info (device loop0): forced readonly [ 53.892477][ T4990] loop0: detected capacity change from 0 to 32768 [ 53.895367][ T4990] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4990) [ 53.900019][ T4990] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.901630][ T4990] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.903079][ T4990] BTRFS info (device loop0): turning on flush-on-commit [ 53.904500][ T4990] BTRFS info (device loop0): disabling tree log [ 53.905448][ T4990] BTRFS info (device loop0): enabling auto defrag [ 53.906609][ T4990] BTRFS info (device loop0): using free space tree [ 53.907610][ T4990] BTRFS info (device loop0): has skinny extents [ 53.916502][ T4990] BTRFS info (device loop0): enabling ssd optimizations [ 53.923678][ T4990] FAULT_INJECTION: forcing a failure. [ 53.923678][ T4990] name failslab, interval 1, probability 0, space 0, times 0 [ 53.925886][ T4990] CPU: 1 PID: 4990 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.927305][ T4990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.928827][ T4990] Call trace: [ 53.929323][ T4990] dump_backtrace+0x0/0x458 [ 53.930025][ T4990] show_stack+0x2c/0x3c [ 53.930671][ T4990] __dump_stack+0x30/0x40 [ 53.931373][ T4990] dump_stack_lvl+0xf4/0x15c [ 53.932134][ T4990] dump_stack+0x1c/0x5c [ 53.932837][ T4990] should_fail+0x3bc/0x514 [ 53.933581][ T4990] __should_failslab+0xbc/0x10c [ 53.934418][ T4990] should_failslab+0x10/0x28 [ 53.935171][ T4990] slab_pre_alloc_hook+0x64/0xe8 [ 53.935948][ T4990] kmem_cache_alloc+0x94/0x3d4 [ 53.936656][ T4990] alloc_extent_map+0x28/0x128 [ 53.937524][ T4990] btrfs_drop_extent_cache+0x164/0xd90 [ 53.938377][ T4990] btrfs_drop_extents+0x2e8/0x2254 [ 53.939209][ T4990] btrfs_replace_file_extents+0x338/0x1238 [ 53.940152][ T4990] btrfs_clone+0xb7c/0x1d14 [ 53.940967][ T4990] btrfs_clone_files+0x278/0x320 [ 53.941832][ T4990] btrfs_remap_file_range+0x488/0xb9c [ 53.942736][ T4990] vfs_copy_file_range+0xab0/0x10fc [ 53.943616][ T4990] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.944558][ T4990] invoke_syscall+0x98/0x2b0 [ 53.945294][ T4990] el0_svc_common+0x138/0x258 [ 53.946093][ T4990] do_el0_svc+0x58/0x13c [ 53.946810][ T4990] el0_svc+0x78/0x1d0 [ 53.947437][ T4990] el0t_64_sync_handler+0xcc/0xe4 [ 53.948225][ T4990] el0t_64_sync+0x1a0/0x1a4 [ 54.149807][ T5011] loop0: detected capacity change from 0 to 32768 [ 54.152339][ T5011] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5011) [ 54.157236][ T5011] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.158706][ T5011] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.160046][ T5011] BTRFS info (device loop0): turning on flush-on-commit [ 54.161169][ T5011] BTRFS info (device loop0): disabling tree log [ 54.162093][ T5011] BTRFS info (device loop0): enabling auto defrag [ 54.163565][ T5011] BTRFS info (device loop0): using free space tree [ 54.164495][ T5011] BTRFS info (device loop0): has skinny extents [ 54.182475][ T5011] BTRFS info (device loop0): enabling ssd optimizations [ 54.188926][ T5011] FAULT_INJECTION: forcing a failure. [ 54.188926][ T5011] name failslab, interval 1, probability 0, space 0, times 0 [ 54.191043][ T5011] CPU: 1 PID: 5011 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.192506][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.194087][ T5011] Call trace: [ 54.194583][ T5011] dump_backtrace+0x0/0x458 [ 54.195309][ T5011] show_stack+0x2c/0x3c [ 54.196027][ T5011] __dump_stack+0x30/0x40 [ 54.196734][ T5011] dump_stack_lvl+0xf4/0x15c [ 54.197453][ T5011] dump_stack+0x1c/0x5c [ 54.198048][ T5011] should_fail+0x3bc/0x514 [ 54.198712][ T5011] __should_failslab+0xbc/0x10c [ 54.199446][ T5011] should_failslab+0x10/0x28 [ 54.200237][ T5011] slab_pre_alloc_hook+0x64/0xe8 [ 54.201045][ T5011] kmem_cache_alloc+0x94/0x3d4 [ 54.201854][ T5011] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 54.202783][ T5011] btrfs_inc_extent_ref+0x100/0x198 [ 54.203627][ T5011] btrfs_insert_replace_extent+0x6a0/0x9cc [ 54.204518][ T5011] btrfs_replace_file_extents+0x89c/0x1238 [ 54.205380][ T5011] btrfs_clone+0xb7c/0x1d14 [ 54.206112][ T5011] btrfs_clone_files+0x278/0x320 [ 54.206901][ T5011] btrfs_remap_file_range+0x488/0xb9c [ 54.207747][ T5011] vfs_copy_file_range+0xab0/0x10fc [ 54.208544][ T5011] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.209474][ T5011] invoke_syscall+0x98/0x2b0 [ 54.210274][ T5011] el0_svc_common+0x138/0x258 [ 54.211120][ T5011] do_el0_svc+0x58/0x13c [ 54.211822][ T5011] el0_svc+0x78/0x1d0 [ 54.212471][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 54.213253][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 54.214954][ T5011] ------------[ cut here ]------------ [ 54.215838][ T5011] WARNING: CPU: 1 PID: 5011 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 54.217506][ T5011] Modules linked in: [ 54.218073][ T5011] CPU: 1 PID: 5011 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.219536][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.221254][ T5011] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.222579][ T5011] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 54.223608][ T5011] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 54.224546][ T5011] sp : ffff800020e07440 [ 54.225143][ T5011] x29: ffff800020e07560 x28: dfff800000000000 x27: 0000000000000000 [ 54.226335][ T5011] x26: ffff0000c8eac300 x25: ffff800020e07890 x24: ffff0000de7cd850 [ 54.227763][ T5011] x23: ffff7000041c0e98 x22: 00000000fffffff4 x21: 1fffe0001bca8781 [ 54.229026][ T5011] x20: ffff0000de543bb0 x19: ffff0000de543c08 x18: 0000000000000001 [ 54.230378][ T5011] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 54.231685][ T5011] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 54.232985][ T5011] x11: 0000000000000000 x10: 0000000000000000 x9 : 883d3c8b0b91ca00 [ 54.234424][ T5011] x8 : 883d3c8b0b91ca00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.235805][ T5011] x5 : ffff800020e06d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 54.237117][ T5011] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.238449][ T5011] Call trace: [ 54.238993][ T5011] btrfs_replace_file_extents+0xcc4/0x1238 [ 54.239957][ T5011] btrfs_clone+0xb7c/0x1d14 [ 54.240726][ T5011] btrfs_clone_files+0x278/0x320 [ 54.241547][ T5011] btrfs_remap_file_range+0x488/0xb9c [ 54.242379][ T5011] vfs_copy_file_range+0xab0/0x10fc [ 54.243260][ T5011] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.244179][ T5011] invoke_syscall+0x98/0x2b0 [ 54.244900][ T5011] el0_svc_common+0x138/0x258 [ 54.245662][ T5011] do_el0_svc+0x58/0x13c [ 54.246449][ T5011] el0_svc+0x78/0x1d0 [ 54.247074][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 54.247882][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 54.248549][ T5011] irq event stamp: 80954 [ 54.249140][ T5011] hardirqs last enabled at (80953): [] __up_console_sem+0xb4/0xfc [ 54.250674][ T5011] hardirqs last disabled at (80954): [] el1_dbg+0x24/0x80 [ 54.251932][ T5011] softirqs last enabled at (80930): [] handle_softirqs+0xa40/0xbe4 [ 54.253417][ T5011] softirqs last disabled at (80907): [] __irq_exit_rcu+0x240/0x43c [ 54.255142][ T5011] ---[ end trace b1243b3c039d7534 ]--- [ 54.257412][ T5011] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 54.259020][ T5011] BTRFS info (device loop0): forced readonly [ 54.469227][ T5032] loop0: detected capacity change from 0 to 32768 [ 54.471801][ T5032] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5032) [ 54.476960][ T5032] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.478601][ T5032] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.479893][ T5032] BTRFS info (device loop0): turning on flush-on-commit [ 54.481032][ T5032] BTRFS info (device loop0): disabling tree log [ 54.482025][ T5032] BTRFS info (device loop0): enabling auto defrag [ 54.483532][ T5032] BTRFS info (device loop0): using free space tree [ 54.484667][ T5032] BTRFS info (device loop0): has skinny extents [ 54.499771][ T5032] BTRFS info (device loop0): enabling ssd optimizations [ 54.506190][ T5032] FAULT_INJECTION: forcing a failure. [ 54.506190][ T5032] name failslab, interval 1, probability 0, space 0, times 0 [ 54.508307][ T5032] CPU: 0 PID: 5032 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.509830][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.511708][ T5032] Call trace: [ 54.512449][ T5032] dump_backtrace+0x0/0x458 [ 54.513158][ T5032] show_stack+0x2c/0x3c [ 54.513870][ T5032] __dump_stack+0x30/0x40 [ 54.514546][ T5032] dump_stack_lvl+0xf4/0x15c [ 54.515360][ T5032] dump_stack+0x1c/0x5c [ 54.516021][ T5032] should_fail+0x3bc/0x514 [ 54.516738][ T5032] __should_failslab+0xbc/0x10c [ 54.517588][ T5032] should_failslab+0x10/0x28 [ 54.518353][ T5032] slab_pre_alloc_hook+0x64/0xe8 [ 54.519148][ T5032] kmem_cache_alloc+0x94/0x3d4 [ 54.519979][ T5032] btrfs_add_delayed_data_ref+0x160/0xd08 [ 54.520957][ T5032] btrfs_inc_extent_ref+0x100/0x198 [ 54.521863][ T5032] btrfs_insert_replace_extent+0x6a0/0x9cc [ 54.522897][ T5032] btrfs_replace_file_extents+0x89c/0x1238 [ 54.523703][ T5032] btrfs_clone+0xb7c/0x1d14 [ 54.524404][ T5032] btrfs_clone_files+0x278/0x320 [ 54.525206][ T5032] btrfs_remap_file_range+0x488/0xb9c [ 54.526151][ T5032] vfs_copy_file_range+0xab0/0x10fc [ 54.527011][ T5032] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.528004][ T5032] invoke_syscall+0x98/0x2b0 [ 54.528715][ T5032] el0_svc_common+0x138/0x258 [ 54.529662][ T5032] do_el0_svc+0x58/0x13c [ 54.530331][ T5032] el0_svc+0x78/0x1d0 [ 54.530985][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 54.531779][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 54.532866][ T5032] ------------[ cut here ]------------ [ 54.533813][ T5032] WARNING: CPU: 0 PID: 5032 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 54.535303][ T5032] Modules linked in: [ 54.535919][ T5032] CPU: 0 PID: 5032 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.537311][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.538955][ T5032] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.540326][ T5032] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 54.541286][ T5032] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 54.542273][ T5032] sp : ffff800020e07440 [ 54.542954][ T5032] x29: ffff800020e07560 x28: dfff800000000000 x27: 0000000000000000 [ 54.544268][ T5032] x26: ffff0000c2655600 x25: ffff800020e07890 x24: ffff0000de6e9d70 [ 54.545589][ T5032] x23: ffff7000041c0e98 x22: 00000000fffffff4 x21: 1fffe0001bcb428f [ 54.546818][ T5032] x20: ffff0000de5a1420 x19: ffff0000de5a1478 x18: 0000000000000001 [ 54.548116][ T5032] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 54.549322][ T5032] x14: 0000000000000001 x13: 1ffff000041c0da8 x12: 0000000000ff0100 [ 54.550603][ T5032] x11: 0000000000000000 x10: 0000000000000000 x9 : f0db668db2145900 [ 54.551788][ T5032] x8 : f0db668db2145900 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.553001][ T5032] x5 : ffff800020e06d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 54.554308][ T5032] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.555626][ T5032] Call trace: [ 54.556188][ T5032] btrfs_replace_file_extents+0xcc4/0x1238 [ 54.557113][ T5032] btrfs_clone+0xb7c/0x1d14 [ 54.557796][ T5032] btrfs_clone_files+0x278/0x320 [ 54.558525][ T5032] btrfs_remap_file_range+0x488/0xb9c [ 54.559313][ T5032] vfs_copy_file_range+0xab0/0x10fc [ 54.560097][ T5032] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.560998][ T5032] invoke_syscall+0x98/0x2b0 [ 54.561676][ T5032] el0_svc_common+0x138/0x258 [ 54.562361][ T5032] do_el0_svc+0x58/0x13c [ 54.563009][ T5032] el0_svc+0x78/0x1d0 [ 54.563597][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 54.564413][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 54.565088][ T5032] irq event stamp: 81194 [ 54.565718][ T5032] hardirqs last enabled at (81193): [] __up_console_sem+0xb4/0xfc [ 54.567197][ T5032] hardirqs last disabled at (81194): [] el1_dbg+0x24/0x80 [ 54.568482][ T5032] softirqs last enabled at (81174): [] handle_softirqs+0xa40/0xbe4 [ 54.569956][ T5032] softirqs last disabled at (81039): [] __irq_exit_rcu+0x240/0x43c [ 54.571355][ T5032] ---[ end trace b1243b3c039d7535 ]--- [ 54.572434][ T5032] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 54.574165][ T5032] BTRFS info (device loop0): forced readonly [ 54.761727][ T5053] loop0: detected capacity change from 0 to 32768 [ 54.764499][ T5053] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5053) [ 54.769212][ T5053] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.770739][ T5053] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.772190][ T5053] BTRFS info (device loop0): turning on flush-on-commit [ 54.773495][ T5053] BTRFS info (device loop0): disabling tree log [ 54.774668][ T5053] BTRFS info (device loop0): enabling auto defrag [ 54.775781][ T5053] BTRFS info (device loop0): using free space tree [ 54.776993][ T5053] BTRFS info (device loop0): has skinny extents [ 54.787256][ T5053] BTRFS info (device loop0): enabling ssd optimizations [ 54.793688][ T5053] FAULT_INJECTION: forcing a failure. [ 54.793688][ T5053] name failslab, interval 1, probability 0, space 0, times 0 [ 54.795764][ T5053] CPU: 1 PID: 5053 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.797268][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.798869][ T5053] Call trace: [ 54.799413][ T5053] dump_backtrace+0x0/0x458 [ 54.800146][ T5053] show_stack+0x2c/0x3c [ 54.800820][ T5053] __dump_stack+0x30/0x40 [ 54.801578][ T5053] dump_stack_lvl+0xf4/0x15c [ 54.802310][ T5053] dump_stack+0x1c/0x5c [ 54.802972][ T5053] should_fail+0x3bc/0x514 [ 54.803660][ T5053] __should_failslab+0xbc/0x10c [ 54.804398][ T5053] should_failslab+0x10/0x28 [ 54.805110][ T5053] slab_pre_alloc_hook+0x64/0xe8 [ 54.805948][ T5053] kmem_cache_alloc+0x94/0x3d4 [ 54.806596][ T5053] alloc_extent_map+0x28/0x128 [ 54.807376][ T5053] btrfs_drop_extent_cache+0x164/0xd90 [ 54.808257][ T5053] btrfs_drop_extents+0x2e8/0x2254 [ 54.809067][ T5053] btrfs_replace_file_extents+0x338/0x1238 [ 54.809951][ T5053] btrfs_clone+0xb7c/0x1d14 [ 54.810637][ T5053] btrfs_clone_files+0x278/0x320 [ 54.811376][ T5053] btrfs_remap_file_range+0x488/0xb9c [ 54.812221][ T5053] vfs_copy_file_range+0xab0/0x10fc [ 54.813029][ T5053] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.813926][ T5053] invoke_syscall+0x98/0x2b0 [ 54.814704][ T5053] el0_svc_common+0x138/0x258 [ 54.815492][ T5053] do_el0_svc+0x58/0x13c [ 54.816162][ T5053] el0_svc+0x78/0x1d0 [ 54.816794][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 54.817661][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 55.031785][ T5074] loop0: detected capacity change from 0 to 32768 [ 55.034378][ T5074] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5074) [ 55.038130][ T5074] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.039612][ T5074] BTRFS info (device loop0): setting nodatacow, compression disabled [ 55.040933][ T5074] BTRFS info (device loop0): turning on flush-on-commit [ 55.042159][ T5074] BTRFS info (device loop0): disabling tree log [ 55.043287][ T5074] BTRFS info (device loop0): enabling auto defrag [ 55.044238][ T5074] BTRFS info (device loop0): using free space tree [ 55.045543][ T5074] BTRFS info (device loop0): has skinny extents [ 55.058580][ T5074] BTRFS info (device loop0): enabling ssd optimizations [ 55.065229][ T5074] FAULT_INJECTION: forcing a failure. [ 55.065229][ T5074] name failslab, interval 1, probability 0, space 0, times 0 [ 55.067239][ T5074] CPU: 1 PID: 5074 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.068649][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.070160][ T5074] Call trace: [ 55.070627][ T5074] dump_backtrace+0x0/0x458 [ 55.071342][ T5074] show_stack+0x2c/0x3c [ 55.072004][ T5074] __dump_stack+0x30/0x40 [ 55.072716][ T5074] dump_stack_lvl+0xf4/0x15c [ 55.073513][ T5074] dump_stack+0x1c/0x5c [ 55.074234][ T5074] should_fail+0x3bc/0x514 [ 55.074919][ T5074] __should_failslab+0xbc/0x10c [ 55.075663][ T5074] should_failslab+0x10/0x28 [ 55.076349][ T5074] slab_pre_alloc_hook+0x64/0xe8 [ 55.077201][ T5074] kmem_cache_alloc+0x94/0x3d4 [ 55.077952][ T5074] alloc_extent_map+0x28/0x128 [ 55.078754][ T5074] btrfs_drop_extent_cache+0x164/0xd90 [ 55.079554][ T5074] btrfs_drop_extents+0x2e8/0x2254 [ 55.080336][ T5074] btrfs_replace_file_extents+0x338/0x1238 [ 55.081297][ T5074] btrfs_clone+0xb7c/0x1d14 [ 55.082065][ T5074] btrfs_clone_files+0x278/0x320 [ 55.082931][ T5074] btrfs_remap_file_range+0x488/0xb9c [ 55.083813][ T5074] vfs_copy_file_range+0xab0/0x10fc [ 55.084618][ T5074] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.085461][ T5074] invoke_syscall+0x98/0x2b0 [ 55.086066][ T5074] el0_svc_common+0x138/0x258 [ 55.086734][ T5074] do_el0_svc+0x58/0x13c [ 55.087372][ T5074] el0_svc+0x78/0x1d0 [ 55.088044][ T5074] el0t_64_sync_handler+0xcc/0xe4 [ 55.088791][ T5074] el0t_64_sync+0x1a0/0x1a4 [ 55.280344][ T5095] loop0: detected capacity change from 0 to 32768 [ 55.283929][ T5095] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5095) [ 55.287727][ T5095] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.289297][ T5095] BTRFS info (device loop0): setting nodatacow, compression disabled [ 55.290792][ T5095] BTRFS info (device loop0): turning on flush-on-commit [ 55.292072][ T5095] BTRFS info (device loop0): disabling tree log [ 55.293447][ T5095] BTRFS info (device loop0): enabling auto defrag [ 55.294586][ T5095] BTRFS info (device loop0): using free space tree [ 55.295583][ T5095] BTRFS info (device loop0): has skinny extents [ 55.302726][ T4452] Bluetooth: hci0: command 0x0419 tx timeout [ 55.305476][ T5095] BTRFS info (device loop0): enabling ssd optimizations [ 55.312533][ T5095] FAULT_INJECTION: forcing a failure. [ 55.312533][ T5095] name failslab, interval 1, probability 0, space 0, times 0 [ 55.315093][ T5095] CPU: 1 PID: 5095 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.316352][ T5095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.317763][ T5095] Call trace: [ 55.318339][ T5095] dump_backtrace+0x0/0x458 [ 55.319084][ T5095] show_stack+0x2c/0x3c [ 55.319756][ T5095] __dump_stack+0x30/0x40 [ 55.320486][ T5095] dump_stack_lvl+0xf4/0x15c [ 55.321221][ T5095] dump_stack+0x1c/0x5c [ 55.321848][ T5095] should_fail+0x3bc/0x514 [ 55.322644][ T5095] __should_failslab+0xbc/0x10c [ 55.323447][ T5095] should_failslab+0x10/0x28 [ 55.324224][ T5095] slab_pre_alloc_hook+0x64/0xe8 [ 55.325000][ T5095] kmem_cache_alloc+0x94/0x3d4 [ 55.325814][ T5095] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 55.326710][ T5095] btrfs_inc_extent_ref+0x100/0x198 [ 55.327562][ T5095] btrfs_insert_replace_extent+0x6a0/0x9cc [ 55.328532][ T5095] btrfs_replace_file_extents+0x89c/0x1238 [ 55.329514][ T5095] btrfs_clone+0xb7c/0x1d14 [ 55.330255][ T5095] btrfs_clone_files+0x278/0x320 [ 55.330989][ T5095] btrfs_remap_file_range+0x488/0xb9c [ 55.331832][ T5095] vfs_copy_file_range+0xab0/0x10fc [ 55.332746][ T5095] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.333732][ T5095] invoke_syscall+0x98/0x2b0 [ 55.334610][ T5095] el0_svc_common+0x138/0x258 [ 55.335441][ T5095] do_el0_svc+0x58/0x13c [ 55.336153][ T5095] el0_svc+0x78/0x1d0 [ 55.336693][ T5095] el0t_64_sync_handler+0xcc/0xe4 [ 55.337454][ T5095] el0t_64_sync+0x1a0/0x1a4 [ 55.340930][ T5095] ------------[ cut here ]------------ [ 55.341835][ T5095] WARNING: CPU: 1 PID: 5095 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 55.343285][ T5095] Modules linked in: [ 55.343855][ T5095] CPU: 1 PID: 5095 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.345218][ T5095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.346756][ T5095] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.348028][ T5095] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.349033][ T5095] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.350095][ T5095] sp : ffff800021707440 [ 55.350818][ T5095] x29: ffff800021707560 x28: dfff800000000000 x27: 0000000000000000 [ 55.352270][ T5095] x26: ffff0000cc009200 x25: ffff800021707890 x24: ffff0000e2140000 [ 55.353541][ T5095] x23: ffff7000042e0e98 x22: 00000000fffffff4 x21: 1fffe0001b99cd3f [ 55.354929][ T5095] x20: ffff0000dcce69a0 x19: ffff0000dcce69f8 x18: 0000000000000001 [ 55.356222][ T5095] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 55.357607][ T5095] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 55.358907][ T5095] x11: 0000000000000000 x10: 0000000000000000 x9 : 8e3cc8b3fd22a700 [ 55.360358][ T5095] x8 : 8e3cc8b3fd22a700 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.361669][ T5095] x5 : ffff800021706d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 55.362939][ T5095] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.364243][ T5095] Call trace: [ 55.364783][ T5095] btrfs_replace_file_extents+0xcc4/0x1238 [ 55.365772][ T5095] btrfs_clone+0xb7c/0x1d14 [ 55.366515][ T5095] btrfs_clone_files+0x278/0x320 [ 55.367306][ T5095] btrfs_remap_file_range+0x488/0xb9c [ 55.368176][ T5095] vfs_copy_file_range+0xab0/0x10fc [ 55.368990][ T5095] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.369926][ T5095] invoke_syscall+0x98/0x2b0 [ 55.370649][ T5095] el0_svc_common+0x138/0x258 [ 55.371478][ T5095] do_el0_svc+0x58/0x13c [ 55.372199][ T5095] el0_svc+0x78/0x1d0 [ 55.372857][ T5095] el0t_64_sync_handler+0xcc/0xe4 [ 55.373673][ T5095] el0t_64_sync+0x1a0/0x1a4 [ 55.374381][ T5095] irq event stamp: 80230 [ 55.375061][ T5095] hardirqs last enabled at (80229): [] __up_console_sem+0xb4/0xfc [ 55.376697][ T5095] hardirqs last disabled at (80230): [] el1_dbg+0x24/0x80 [ 55.378104][ T5095] softirqs last enabled at (80206): [] handle_softirqs+0xa40/0xbe4 [ 55.379757][ T5095] softirqs last disabled at (80071): [] __irq_exit_rcu+0x240/0x43c [ 55.381271][ T5095] ---[ end trace b1243b3c039d7536 ]--- [ 55.387307][ T5095] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.388878][ T5095] BTRFS info (device loop0): forced readonly [ 55.571836][ T5116] loop0: detected capacity change from 0 to 32768 [ 55.574534][ T5116] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5116) [ 55.584178][ T5116] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.585612][ T5116] BTRFS info (device loop0): setting nodatacow, compression disabled [ 55.586921][ T5116] BTRFS info (device loop0): turning on flush-on-commit [ 55.588111][ T5116] BTRFS info (device loop0): disabling tree log [ 55.589173][ T5116] BTRFS info (device loop0): enabling auto defrag [ 55.590270][ T5116] BTRFS info (device loop0): using free space tree [ 55.591304][ T5116] BTRFS info (device loop0): has skinny extents [ 55.605469][ T5116] BTRFS info (device loop0): enabling ssd optimizations [ 55.611399][ T5116] FAULT_INJECTION: forcing a failure. [ 55.611399][ T5116] name failslab, interval 1, probability 0, space 0, times 0 [ 55.613703][ T5116] CPU: 1 PID: 5116 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.615292][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.617030][ T5116] Call trace: [ 55.617562][ T5116] dump_backtrace+0x0/0x458 [ 55.618277][ T5116] show_stack+0x2c/0x3c [ 55.618988][ T5116] __dump_stack+0x30/0x40 [ 55.619685][ T5116] dump_stack_lvl+0xf4/0x15c [ 55.620444][ T5116] dump_stack+0x1c/0x5c [ 55.621132][ T5116] should_fail+0x3bc/0x514 [ 55.621854][ T5116] __should_failslab+0xbc/0x10c [ 55.622590][ T5116] should_failslab+0x10/0x28 [ 55.623322][ T5116] slab_pre_alloc_hook+0x64/0xe8 [ 55.624154][ T5116] kmem_cache_alloc+0x94/0x3d4 [ 55.624967][ T5116] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 55.626005][ T5116] btrfs_inc_extent_ref+0x100/0x198 [ 55.626854][ T5116] btrfs_insert_replace_extent+0x6a0/0x9cc [ 55.627814][ T5116] btrfs_replace_file_extents+0x89c/0x1238 [ 55.628794][ T5116] btrfs_clone+0xb7c/0x1d14 [ 55.629544][ T5116] btrfs_clone_files+0x278/0x320 [ 55.630394][ T5116] btrfs_remap_file_range+0x488/0xb9c [ 55.631307][ T5116] vfs_copy_file_range+0xab0/0x10fc [ 55.632153][ T5116] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.633080][ T5116] invoke_syscall+0x98/0x2b0 [ 55.633703][ T5116] el0_svc_common+0x138/0x258 [ 55.634462][ T5116] do_el0_svc+0x58/0x13c [ 55.635128][ T5116] el0_svc+0x78/0x1d0 [ 55.635835][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 55.636736][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 55.637844][ T5116] ------------[ cut here ]------------ [ 55.638847][ T5116] WARNING: CPU: 1 PID: 5116 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 55.640448][ T5116] Modules linked in: [ 55.641159][ T5116] CPU: 1 PID: 5116 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.642601][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.644321][ T5116] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.645612][ T5116] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.646508][ T5116] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.647474][ T5116] sp : ffff800021707440 [ 55.648189][ T5116] x29: ffff800021707560 x28: dfff800000000000 x27: 0000000000000000 [ 55.649435][ T5116] x26: ffff0000caab5100 x25: ffff800021707890 x24: ffff0000e2142740 [ 55.650694][ T5116] x23: ffff7000042e0e98 x22: 00000000fffffff4 x21: 1fffe0001b99cd81 [ 55.651985][ T5116] x20: ffff0000dcce6bb0 x19: ffff0000dcce6c08 x18: 0000000000000001 [ 55.653236][ T5116] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 55.654520][ T5116] x14: 0000000000000001 x13: 1ffff000042e0da8 x12: 0000000000ff0100 [ 55.655748][ T5116] x11: 0000000000000000 x10: 0000000000000000 x9 : 539d237a061d2700 [ 55.657000][ T5116] x8 : 539d237a061d2700 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.658258][ T5116] x5 : ffff800021706d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 55.659663][ T5116] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.660858][ T5116] Call trace: [ 55.661377][ T5116] btrfs_replace_file_extents+0xcc4/0x1238 [ 55.662322][ T5116] btrfs_clone+0xb7c/0x1d14 [ 55.663048][ T5116] btrfs_clone_files+0x278/0x320 [ 55.663868][ T5116] btrfs_remap_file_range+0x488/0xb9c [ 55.664736][ T5116] vfs_copy_file_range+0xab0/0x10fc [ 55.665519][ T5116] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.666549][ T5116] invoke_syscall+0x98/0x2b0 [ 55.667314][ T5116] el0_svc_common+0x138/0x258 [ 55.668080][ T5116] do_el0_svc+0x58/0x13c [ 55.668830][ T5116] el0_svc+0x78/0x1d0 [ 55.669467][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 55.670300][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 55.671008][ T5116] irq event stamp: 80924 [ 55.671678][ T5116] hardirqs last enabled at (80923): [] __up_console_sem+0xb4/0xfc [ 55.673230][ T5116] hardirqs last disabled at (80924): [] el1_dbg+0x24/0x80 [ 55.674670][ T5116] softirqs last enabled at (80900): [] handle_softirqs+0xa40/0xbe4 [ 55.676165][ T5116] softirqs last disabled at (80817): [] __irq_exit_rcu+0x240/0x43c [ 55.677678][ T5116] ---[ end trace b1243b3c039d7537 ]--- [ 55.679245][ T5116] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.680814][ T5116] BTRFS info (device loop0): forced readonly [ 55.869091][ T5137] loop0: detected capacity change from 0 to 32768 [ 55.871530][ T5137] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5137) [ 55.876196][ T5137] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.877562][ T5137] BTRFS info (device loop0): setting nodatacow, compression disabled [ 55.879025][ T5137] BTRFS info (device loop0): turning on flush-on-commit [ 55.880173][ T5137] BTRFS info (device loop0): disabling tree log [ 55.881171][ T5137] BTRFS info (device loop0): enabling auto defrag [ 55.882145][ T5137] BTRFS info (device loop0): using free space tree [ 55.883211][ T5137] BTRFS info (device loop0): has skinny extents [ 55.891136][ T5137] BTRFS info (device loop0): enabling ssd optimizations [ 55.897599][ T5137] FAULT_INJECTION: forcing a failure. [ 55.897599][ T5137] name failslab, interval 1, probability 0, space 0, times 0 [ 55.899765][ T5137] CPU: 1 PID: 5137 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.901404][ T5137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.902959][ T5137] Call trace: [ 55.903519][ T5137] dump_backtrace+0x0/0x458 [ 55.904251][ T5137] show_stack+0x2c/0x3c [ 55.904929][ T5137] __dump_stack+0x30/0x40 [ 55.905612][ T5137] dump_stack_lvl+0xf4/0x15c [ 55.906299][ T5137] dump_stack+0x1c/0x5c [ 55.906897][ T5137] should_fail+0x3bc/0x514 [ 55.907556][ T5137] __should_failslab+0xbc/0x10c [ 55.908307][ T5137] should_failslab+0x10/0x28 [ 55.909029][ T5137] slab_pre_alloc_hook+0x64/0xe8 [ 55.909878][ T5137] kmem_cache_alloc+0x94/0x3d4 [ 55.910611][ T5137] start_transaction+0x4d0/0x13ec [ 55.911422][ T5137] btrfs_start_transaction+0x34/0x44 [ 55.912214][ T5137] btrfs_replace_file_extents+0x248/0x1238 [ 55.913099][ T5137] btrfs_clone+0xb7c/0x1d14 [ 55.913803][ T5137] btrfs_clone_files+0x278/0x320 [ 55.914549][ T5137] btrfs_remap_file_range+0x488/0xb9c [ 55.915394][ T5137] vfs_copy_file_range+0xab0/0x10fc [ 55.916268][ T5137] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.917240][ T5137] invoke_syscall+0x98/0x2b0 [ 55.918008][ T5137] el0_svc_common+0x138/0x258 [ 55.918744][ T5137] do_el0_svc+0x58/0x13c [ 55.919369][ T5137] el0_svc+0x78/0x1d0 [ 55.919932][ T5137] el0t_64_sync_handler+0xcc/0xe4 [ 55.920761][ T5137] el0t_64_sync+0x1a0/0x1a4 [ 56.098983][ T5158] loop0: detected capacity change from 0 to 32768 [ 56.101665][ T5158] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5158) [ 56.106224][ T5158] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.107677][ T5158] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.108983][ T5158] BTRFS info (device loop0): turning on flush-on-commit [ 56.110139][ T5158] BTRFS info (device loop0): disabling tree log [ 56.111110][ T5158] BTRFS info (device loop0): enabling auto defrag [ 56.112266][ T5158] BTRFS info (device loop0): using free space tree [ 56.113827][ T5158] BTRFS info (device loop0): has skinny extents [ 56.130542][ T5158] BTRFS info (device loop0): enabling ssd optimizations [ 56.136465][ T5158] FAULT_INJECTION: forcing a failure. [ 56.136465][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 56.138551][ T5158] CPU: 1 PID: 5158 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.140014][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.141753][ T5158] Call trace: [ 56.142277][ T5158] dump_backtrace+0x0/0x458 [ 56.143005][ T5158] show_stack+0x2c/0x3c [ 56.143671][ T5158] __dump_stack+0x30/0x40 [ 56.144367][ T5158] dump_stack_lvl+0xf4/0x15c [ 56.145163][ T5158] dump_stack+0x1c/0x5c [ 56.145886][ T5158] should_fail+0x3bc/0x514 [ 56.146669][ T5158] __should_failslab+0xbc/0x10c [ 56.147528][ T5158] should_failslab+0x10/0x28 [ 56.148267][ T5158] slab_pre_alloc_hook+0x64/0xe8 [ 56.148959][ T5158] kmem_cache_alloc+0x94/0x3d4 [ 56.149687][ T5158] btrfs_add_delayed_data_ref+0x160/0xd08 [ 56.150678][ T5158] btrfs_inc_extent_ref+0x100/0x198 [ 56.151563][ T5158] btrfs_insert_replace_extent+0x6a0/0x9cc [ 56.152471][ T5158] btrfs_replace_file_extents+0x89c/0x1238 [ 56.153475][ T5158] btrfs_clone+0xb7c/0x1d14 [ 56.154276][ T5158] btrfs_clone_files+0x278/0x320 [ 56.155068][ T5158] btrfs_remap_file_range+0x488/0xb9c [ 56.156007][ T5158] vfs_copy_file_range+0xab0/0x10fc [ 56.157006][ T5158] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.157982][ T5158] invoke_syscall+0x98/0x2b0 [ 56.158713][ T5158] el0_svc_common+0x138/0x258 [ 56.159406][ T5158] do_el0_svc+0x58/0x13c [ 56.160124][ T5158] el0_svc+0x78/0x1d0 [ 56.160737][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 56.161584][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 56.163442][ T5158] ------------[ cut here ]------------ [ 56.164308][ T5158] WARNING: CPU: 1 PID: 5158 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 56.165848][ T5158] Modules linked in: [ 56.166515][ T5158] CPU: 1 PID: 5158 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.168077][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.169762][ T5158] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.170998][ T5158] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.171964][ T5158] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.172926][ T5158] sp : ffff800021b47440 [ 56.173544][ T5158] x29: ffff800021b47560 x28: dfff800000000000 x27: 0000000000000000 [ 56.174922][ T5158] x26: ffff0000c24dbe00 x25: ffff800021b47890 x24: ffff0000e2146220 [ 56.176255][ T5158] x23: ffff700004368e98 x22: 00000000fffffff4 x21: 1fffe0001bca8797 [ 56.177622][ T5158] x20: ffff0000de543c60 x19: ffff0000de543cb8 x18: 0000000000000001 [ 56.178996][ T5158] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 56.180274][ T5158] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.181575][ T5158] x11: 0000000000000000 x10: 0000000000000000 x9 : b2eb24b7cf9b9500 [ 56.182761][ T5158] x8 : b2eb24b7cf9b9500 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.183950][ T5158] x5 : ffff800021b46d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.185306][ T5158] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.186619][ T5158] Call trace: [ 56.187183][ T5158] btrfs_replace_file_extents+0xcc4/0x1238 [ 56.188181][ T5158] btrfs_clone+0xb7c/0x1d14 [ 56.188912][ T5158] btrfs_clone_files+0x278/0x320 [ 56.189744][ T5158] btrfs_remap_file_range+0x488/0xb9c [ 56.190592][ T5158] vfs_copy_file_range+0xab0/0x10fc [ 56.191529][ T5158] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.192475][ T5158] invoke_syscall+0x98/0x2b0 [ 56.193201][ T5158] el0_svc_common+0x138/0x258 [ 56.193936][ T5158] do_el0_svc+0x58/0x13c [ 56.194619][ T5158] el0_svc+0x78/0x1d0 [ 56.195246][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 56.196046][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 56.196733][ T5158] irq event stamp: 81294 [ 56.197468][ T5158] hardirqs last enabled at (81293): [] __up_console_sem+0xb4/0xfc [ 56.198934][ T5158] hardirqs last disabled at (81294): [] el1_dbg+0x24/0x80 [ 56.200193][ T5158] softirqs last enabled at (81274): [] handle_softirqs+0xa40/0xbe4 [ 56.201577][ T5158] softirqs last disabled at (81165): [] __irq_exit_rcu+0x240/0x43c [ 56.203112][ T5158] ---[ end trace b1243b3c039d7538 ]--- [ 56.205033][ T5158] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.206645][ T5158] BTRFS info (device loop0): forced readonly [ 56.419774][ T5179] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5179) [ 56.424361][ T5179] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.425875][ T5179] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.427121][ T5179] BTRFS info (device loop0): turning on flush-on-commit [ 56.428251][ T5179] BTRFS info (device loop0): disabling tree log [ 56.429329][ T5179] BTRFS info (device loop0): enabling auto defrag [ 56.430400][ T5179] BTRFS info (device loop0): using free space tree [ 56.431474][ T5179] BTRFS info (device loop0): has skinny extents [ 56.450578][ T5179] BTRFS info (device loop0): enabling ssd optimizations [ 56.457664][ T5179] FAULT_INJECTION: forcing a failure. [ 56.457664][ T5179] name failslab, interval 1, probability 0, space 0, times 0 [ 56.459850][ T5179] CPU: 1 PID: 5179 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.461353][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.463092][ T5179] Call trace: [ 56.463618][ T5179] dump_backtrace+0x0/0x458 [ 56.464378][ T5179] show_stack+0x2c/0x3c [ 56.465070][ T5179] __dump_stack+0x30/0x40 [ 56.465747][ T5179] dump_stack_lvl+0xf4/0x15c [ 56.466451][ T5179] dump_stack+0x1c/0x5c [ 56.467148][ T5179] should_fail+0x3bc/0x514 [ 56.467807][ T5179] __should_failslab+0xbc/0x10c [ 56.468522][ T5179] should_failslab+0x10/0x28 [ 56.469228][ T5179] slab_pre_alloc_hook+0x64/0xe8 [ 56.469978][ T5179] kmem_cache_alloc+0x94/0x3d4 [ 56.470810][ T5179] btrfs_add_delayed_data_ref+0x160/0xd08 [ 56.471757][ T5179] btrfs_inc_extent_ref+0x100/0x198 [ 56.472588][ T5179] btrfs_insert_replace_extent+0x6a0/0x9cc [ 56.473467][ T5179] btrfs_replace_file_extents+0x89c/0x1238 [ 56.474374][ T5179] btrfs_clone+0xb7c/0x1d14 [ 56.475082][ T5179] btrfs_clone_files+0x278/0x320 [ 56.475866][ T5179] btrfs_remap_file_range+0x488/0xb9c [ 56.476735][ T5179] vfs_copy_file_range+0xab0/0x10fc [ 56.477563][ T5179] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.478552][ T5179] invoke_syscall+0x98/0x2b0 [ 56.479275][ T5179] el0_svc_common+0x138/0x258 [ 56.480061][ T5179] do_el0_svc+0x58/0x13c [ 56.480745][ T5179] el0_svc+0x78/0x1d0 [ 56.481404][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 56.482265][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 56.483890][ T5179] ------------[ cut here ]------------ [ 56.484851][ T5179] WARNING: CPU: 1 PID: 5179 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 56.486520][ T5179] Modules linked in: [ 56.487177][ T5179] CPU: 1 PID: 5179 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.488757][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.490375][ T5179] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.491702][ T5179] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.492759][ T5179] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.493751][ T5179] sp : ffff800021917440 [ 56.494467][ T5179] x29: ffff800021917560 x28: dfff800000000000 x27: 0000000000000000 [ 56.495843][ T5179] x26: ffff0000c95a2c00 x25: ffff800021917890 x24: ffff0000e2180000 [ 56.497160][ T5179] x23: ffff700004322e98 x22: 00000000fffffff4 x21: 1fffe0001b9d164d [ 56.498444][ T5179] x20: ffff0000dce8b210 x19: ffff0000dce8b268 x18: 0000000000000001 [ 56.499735][ T5179] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 56.500997][ T5179] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.502270][ T5179] x11: 0000000000000000 x10: 0000000000000000 x9 : 1305adcb2d3c8300 [ 56.503633][ T5179] x8 : 1305adcb2d3c8300 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.504955][ T5179] x5 : ffff800021916d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.506276][ T5179] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.507635][ T5179] Call trace: [ 56.508161][ T5179] btrfs_replace_file_extents+0xcc4/0x1238 [ 56.509066][ T5179] btrfs_clone+0xb7c/0x1d14 [ 56.509802][ T5179] btrfs_clone_files+0x278/0x320 [ 56.510633][ T5179] btrfs_remap_file_range+0x488/0xb9c [ 56.511519][ T5179] vfs_copy_file_range+0xab0/0x10fc [ 56.512403][ T5179] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.513336][ T5179] invoke_syscall+0x98/0x2b0 [ 56.514149][ T5179] el0_svc_common+0x138/0x258 [ 56.514923][ T5179] do_el0_svc+0x58/0x13c [ 56.515593][ T5179] el0_svc+0x78/0x1d0 [ 56.516244][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 56.517019][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 56.517705][ T5179] irq event stamp: 81374 [ 56.518378][ T5179] hardirqs last enabled at (81373): [] __up_console_sem+0xb4/0xfc [ 56.519948][ T5179] hardirqs last disabled at (81374): [] el1_dbg+0x24/0x80 [ 56.521360][ T5179] softirqs last enabled at (81354): [] handle_softirqs+0xa40/0xbe4 [ 56.523098][ T5179] softirqs last disabled at (81305): [] __irq_exit_rcu+0x240/0x43c [ 56.524476][ T5179] ---[ end trace b1243b3c039d7539 ]--- [ 56.527186][ T5179] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.528889][ T5179] BTRFS info (device loop0): forced readonly [ 56.705983][ T5200] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5200) [ 56.709439][ T5200] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.710969][ T5200] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.712478][ T5200] BTRFS info (device loop0): turning on flush-on-commit [ 56.713649][ T5200] BTRFS info (device loop0): disabling tree log [ 56.728204][ T5200] FAULT_INJECTION: forcing a failure. [ 56.728204][ T5200] name failslab, interval 1, probability 0, space 0, times 0 [ 56.730365][ T5200] CPU: 1 PID: 5200 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.731756][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.733361][ T5200] Call trace: [ 56.733914][ T5200] dump_backtrace+0x0/0x458 [ 56.734653][ T5200] show_stack+0x2c/0x3c [ 56.735307][ T5200] __dump_stack+0x30/0x40 [ 56.735956][ T5200] dump_stack_lvl+0xf4/0x15c [ 56.736532][ T5200] dump_stack+0x1c/0x5c [ 56.737167][ T5200] should_fail+0x3bc/0x514 [ 56.737889][ T5200] __should_failslab+0xbc/0x10c [ 56.738709][ T5200] should_failslab+0x10/0x28 [ 56.739514][ T5200] slab_pre_alloc_hook+0x64/0xe8 [ 56.740323][ T5200] kmem_cache_alloc+0x94/0x3d4 [ 56.741125][ T5200] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 56.742001][ T5200] btrfs_inc_extent_ref+0x100/0x198 [ 56.742817][ T5200] btrfs_insert_replace_extent+0x6a0/0x9cc [ 56.743675][ T5200] btrfs_replace_file_extents+0x89c/0x1238 [ 56.744543][ T5200] btrfs_clone+0xb7c/0x1d14 [ 56.745202][ T5200] btrfs_clone_files+0x278/0x320 [ 56.745935][ T5200] btrfs_remap_file_range+0x488/0xb9c [ 56.746750][ T5200] vfs_copy_file_range+0xab0/0x10fc [ 56.747550][ T5200] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.748367][ T5200] invoke_syscall+0x98/0x2b0 [ 56.749077][ T5200] el0_svc_common+0x138/0x258 [ 56.749879][ T5200] do_el0_svc+0x58/0x13c [ 56.750558][ T5200] el0_svc+0x78/0x1d0 [ 56.751220][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 56.752037][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 56.754293][ T5200] ------------[ cut here ]------------ [ 56.755257][ T5200] WARNING: CPU: 1 PID: 5200 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 56.756896][ T5200] Modules linked in: [ 56.757534][ T5200] CPU: 1 PID: 5200 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.759090][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.760781][ T5200] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.761929][ T5200] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.762883][ T5200] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.763969][ T5200] sp : ffff800021c57440 [ 56.764632][ T5200] x29: ffff800021c57560 x28: dfff800000000000 x27: 0000000000000000 [ 56.765942][ T5200] x26: ffff0000c0aca200 x25: ffff800021c57890 x24: ffff0000e2182740 [ 56.767308][ T5200] x23: ffff70000438ae98 x22: 00000000fffffff4 x21: 1fffe0001b9d16a5 [ 56.768608][ T5200] x20: ffff0000dce8b4d0 x19: ffff0000dce8b528 x18: 0000000000000001 [ 56.769917][ T5200] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 56.771193][ T5200] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.772609][ T5200] x11: 0000000000000000 x10: 0000000000000000 x9 : 61b8e27811bed300 [ 56.773970][ T5200] x8 : 61b8e27811bed300 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.775307][ T5200] x5 : ffff800021c56d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.776611][ T5200] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.778025][ T5200] Call trace: [ 56.778583][ T5200] btrfs_replace_file_extents+0xcc4/0x1238 [ 56.779526][ T5200] btrfs_clone+0xb7c/0x1d14 [ 56.780280][ T5200] btrfs_clone_files+0x278/0x320 [ 56.781094][ T5200] btrfs_remap_file_range+0x488/0xb9c [ 56.781990][ T5200] vfs_copy_file_range+0xab0/0x10fc [ 56.782865][ T5200] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.783792][ T5200] invoke_syscall+0x98/0x2b0 [ 56.784501][ T5200] el0_svc_common+0x138/0x258 [ 56.785251][ T5200] do_el0_svc+0x58/0x13c [ 56.785966][ T5200] el0_svc+0x78/0x1d0 [ 56.786609][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 56.787446][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 56.788233][ T5200] irq event stamp: 80658 [ 56.788955][ T5200] hardirqs last enabled at (80657): [] __up_console_sem+0xb4/0xfc [ 56.790498][ T5200] hardirqs last disabled at (80658): [] el1_dbg+0x24/0x80 [ 56.791968][ T5200] softirqs last enabled at (80634): [] handle_softirqs+0xa40/0xbe4 [ 56.793471][ T5200] softirqs last disabled at (80613): [] __irq_exit_rcu+0x240/0x43c [ 56.794995][ T5200] ---[ end trace b1243b3c039d753a ]--- [ 56.797301][ T5200] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.004416][ T5221] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5221) [ 57.022939][ T5221] FAULT_INJECTION: forcing a failure. [ 57.022939][ T5221] name failslab, interval 1, probability 0, space 0, times 0 [ 57.025188][ T5221] CPU: 0 PID: 5221 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.026523][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.028214][ T5221] Call trace: [ 57.028799][ T5221] dump_backtrace+0x0/0x458 [ 57.029553][ T5221] show_stack+0x2c/0x3c [ 57.030218][ T5221] __dump_stack+0x30/0x40 [ 57.030902][ T5221] dump_stack_lvl+0xf4/0x15c [ 57.031621][ T5221] dump_stack+0x1c/0x5c [ 57.032306][ T5221] should_fail+0x3bc/0x514 [ 57.033001][ T5221] __should_failslab+0xbc/0x10c [ 57.033784][ T5221] should_failslab+0x10/0x28 [ 57.034516][ T5221] slab_pre_alloc_hook+0x64/0xe8 [ 57.035296][ T5221] kmem_cache_alloc+0x94/0x3d4 [ 57.036095][ T5221] btrfs_add_delayed_data_ref+0x160/0xd08 [ 57.037142][ T5221] btrfs_inc_extent_ref+0x100/0x198 [ 57.038009][ T5221] btrfs_insert_replace_extent+0x6a0/0x9cc [ 57.038909][ T5221] btrfs_replace_file_extents+0x89c/0x1238 [ 57.039852][ T5221] btrfs_clone+0xb7c/0x1d14 [ 57.040558][ T5221] btrfs_clone_files+0x278/0x320 [ 57.041303][ T5221] btrfs_remap_file_range+0x488/0xb9c [ 57.042202][ T5221] vfs_copy_file_range+0xab0/0x10fc [ 57.042997][ T5221] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.043858][ T5221] invoke_syscall+0x98/0x2b0 [ 57.044544][ T5221] el0_svc_common+0x138/0x258 [ 57.045245][ T5221] do_el0_svc+0x58/0x13c [ 57.045882][ T5221] el0_svc+0x78/0x1d0 [ 57.046593][ T5221] el0t_64_sync_handler+0xcc/0xe4 [ 57.047472][ T5221] el0t_64_sync+0x1a0/0x1a4 [ 57.050458][ T5221] ------------[ cut here ]------------ [ 57.051427][ T5221] WARNING: CPU: 0 PID: 5221 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 57.053129][ T5221] Modules linked in: [ 57.053855][ T5221] CPU: 0 PID: 5221 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.055333][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.057074][ T5221] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.058492][ T5221] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.059526][ T5221] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.060591][ T5221] sp : ffff800021b57440 [ 57.061349][ T5221] x29: ffff800021b57560 x28: dfff800000000000 x27: 0000000000000000 [ 57.062690][ T5221] x26: ffff0000c16fe000 x25: ffff800021b57890 x24: ffff0000de7de220 [ 57.063954][ T5221] x23: ffff70000436ae98 x22: 00000000fffffff4 x21: 1fffe0001bcb4397 [ 57.065216][ T5221] x20: ffff0000de5a1c60 x19: ffff0000de5a1cb8 x18: 0000000000000001 [ 57.066626][ T5221] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 57.067985][ T5221] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 57.069284][ T5221] x11: 0000000000000000 x10: 0000000000000000 x9 : 0f3321f33c6ec400 [ 57.070689][ T5221] x8 : 0f3321f33c6ec400 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.072062][ T5221] x5 : ffff800021b56d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.073507][ T5221] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.074793][ T5221] Call trace: [ 57.075343][ T5221] btrfs_replace_file_extents+0xcc4/0x1238 [ 57.076421][ T5221] btrfs_clone+0xb7c/0x1d14 [ 57.077171][ T5221] btrfs_clone_files+0x278/0x320 [ 57.078035][ T5221] btrfs_remap_file_range+0x488/0xb9c [ 57.078951][ T5221] vfs_copy_file_range+0xab0/0x10fc [ 57.079826][ T5221] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.080811][ T5221] invoke_syscall+0x98/0x2b0 [ 57.081621][ T5221] el0_svc_common+0x138/0x258 [ 57.082366][ T5221] do_el0_svc+0x58/0x13c [ 57.083050][ T5221] el0_svc+0x78/0x1d0 [ 57.083694][ T5221] el0t_64_sync_handler+0xcc/0xe4 [ 57.084528][ T5221] el0t_64_sync+0x1a0/0x1a4 [ 57.085248][ T5221] irq event stamp: 80776 [ 57.085948][ T5221] hardirqs last enabled at (80775): [] __up_console_sem+0xb4/0xfc [ 57.087491][ T5221] hardirqs last disabled at (80776): [] el1_dbg+0x24/0x80 [ 57.089008][ T5221] softirqs last enabled at (80756): [] handle_softirqs+0xa40/0xbe4 [ 57.090698][ T5221] softirqs last disabled at (80679): [] __irq_exit_rcu+0x240/0x43c [ 57.092280][ T5221] ---[ end trace b1243b3c039d753b ]--- [ 57.096158][ T5221] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.291850][ T5242] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5242) [ 57.333597][ T5242] FAULT_INJECTION: forcing a failure. [ 57.333597][ T5242] name failslab, interval 1, probability 0, space 0, times 0 [ 57.335768][ T5242] CPU: 0 PID: 5242 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.337081][ T5242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.338548][ T5242] Call trace: [ 57.338996][ T5242] dump_backtrace+0x0/0x458 [ 57.339687][ T5242] show_stack+0x2c/0x3c [ 57.340371][ T5242] __dump_stack+0x30/0x40 [ 57.341154][ T5242] dump_stack_lvl+0xf4/0x15c [ 57.341928][ T5242] dump_stack+0x1c/0x5c [ 57.342630][ T5242] should_fail+0x3bc/0x514 [ 57.343400][ T5242] __should_failslab+0xbc/0x10c [ 57.344238][ T5242] should_failslab+0x10/0x28 [ 57.344968][ T5242] slab_pre_alloc_hook+0x64/0xe8 [ 57.345704][ T5242] kmem_cache_alloc+0x94/0x3d4 [ 57.346514][ T5242] btrfs_add_delayed_data_ref+0x160/0xd08 [ 57.347415][ T5242] btrfs_inc_extent_ref+0x100/0x198 [ 57.348235][ T5242] btrfs_insert_replace_extent+0x6a0/0x9cc [ 57.349250][ T5242] btrfs_replace_file_extents+0x89c/0x1238 [ 57.350219][ T5242] btrfs_clone+0xb7c/0x1d14 [ 57.350978][ T5242] btrfs_clone_files+0x278/0x320 [ 57.351753][ T5242] btrfs_remap_file_range+0x488/0xb9c [ 57.352571][ T5242] vfs_copy_file_range+0xab0/0x10fc [ 57.353372][ T5242] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.354278][ T5242] invoke_syscall+0x98/0x2b0 [ 57.355067][ T5242] el0_svc_common+0x138/0x258 [ 57.355758][ T5242] do_el0_svc+0x58/0x13c [ 57.356404][ T5242] el0_svc+0x78/0x1d0 [ 57.357105][ T5242] el0t_64_sync_handler+0xcc/0xe4 [ 57.357902][ T5242] el0t_64_sync+0x1a0/0x1a4 [ 57.360432][ T5242] ------------[ cut here ]------------ [ 57.361452][ T5242] WARNING: CPU: 1 PID: 5242 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 57.363158][ T5242] Modules linked in: [ 57.363824][ T5242] CPU: 1 PID: 5242 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.365383][ T5242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.366868][ T5242] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.368154][ T5242] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.369138][ T5242] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.369981][ T5242] sp : ffff800021ed7440 [ 57.370595][ T5242] x29: ffff800021ed7560 x28: dfff800000000000 x27: 0000000000000000 [ 57.371756][ T5242] x26: ffff0000ca569100 x25: ffff800021ed7890 x24: ffff0000de7dce80 [ 57.372913][ T5242] x23: ffff7000043dae98 x22: 00000000fffffff4 x21: 1fffe0001bcb433f [ 57.374018][ T5242] x20: ffff0000de5a19a0 x19: ffff0000de5a19f8 x18: 0000000000000001 [ 57.375256][ T5242] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 57.376544][ T5242] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.377795][ T5242] x11: 0000000000000000 x10: 0000000000000000 x9 : f577a07def18ce00 [ 57.379085][ T5242] x8 : f577a07def18ce00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.380333][ T5242] x5 : ffff800021ed6d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.381599][ T5242] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.382939][ T5242] Call trace: [ 57.383437][ T5242] btrfs_replace_file_extents+0xcc4/0x1238 [ 57.384422][ T5242] btrfs_clone+0xb7c/0x1d14 [ 57.385147][ T5242] btrfs_clone_files+0x278/0x320 [ 57.385899][ T5242] btrfs_remap_file_range+0x488/0xb9c [ 57.386668][ T5242] vfs_copy_file_range+0xab0/0x10fc [ 57.387435][ T5242] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.388383][ T5242] invoke_syscall+0x98/0x2b0 [ 57.389082][ T5242] el0_svc_common+0x138/0x258 [ 57.389764][ T5242] do_el0_svc+0x58/0x13c [ 57.390407][ T5242] el0_svc+0x78/0x1d0 [ 57.391092][ T5242] el0t_64_sync_handler+0xcc/0xe4 [ 57.391895][ T5242] el0t_64_sync+0x1a0/0x1a4 [ 57.392652][ T5242] irq event stamp: 81262 [ 57.393343][ T5242] hardirqs last enabled at (81261): [] __up_console_sem+0xb4/0xfc [ 57.394880][ T5242] hardirqs last disabled at (81262): [] el1_dbg+0x24/0x80 [ 57.396209][ T5242] softirqs last enabled at (81242): [] handle_softirqs+0xa40/0xbe4 [ 57.397724][ T5242] softirqs last disabled at (81229): [] __irq_exit_rcu+0x240/0x43c [ 57.399338][ T5242] ---[ end trace b1243b3c039d753c ]--- [ 57.401395][ T5242] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory 1970/01/01 00:00:57 executed programs: 32 [ 57.585758][ T5263] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5263) [ 57.620180][ T5263] FAULT_INJECTION: forcing a failure. [ 57.620180][ T5263] name failslab, interval 1, probability 0, space 0, times 0 [ 57.622345][ T5263] CPU: 1 PID: 5263 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.623834][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.625551][ T5263] Call trace: [ 57.626073][ T5263] dump_backtrace+0x0/0x458 [ 57.626782][ T5263] show_stack+0x2c/0x3c [ 57.627418][ T5263] __dump_stack+0x30/0x40 [ 57.628104][ T5263] dump_stack_lvl+0xf4/0x15c [ 57.628823][ T5263] dump_stack+0x1c/0x5c [ 57.629457][ T5263] should_fail+0x3bc/0x514 [ 57.630181][ T5263] __should_failslab+0xbc/0x10c [ 57.630938][ T5263] should_failslab+0x10/0x28 [ 57.631653][ T5263] slab_pre_alloc_hook+0x64/0xe8 [ 57.632501][ T5263] kmem_cache_alloc+0x94/0x3d4 [ 57.633360][ T5263] btrfs_add_delayed_data_ref+0x160/0xd08 [ 57.634234][ T5263] btrfs_inc_extent_ref+0x100/0x198 [ 57.635064][ T5263] btrfs_insert_replace_extent+0x6a0/0x9cc [ 57.635937][ T5263] btrfs_replace_file_extents+0x89c/0x1238 [ 57.636930][ T5263] btrfs_clone+0xb7c/0x1d14 [ 57.637621][ T5263] btrfs_clone_files+0x278/0x320 [ 57.638348][ T5263] btrfs_remap_file_range+0x488/0xb9c [ 57.639185][ T5263] vfs_copy_file_range+0xab0/0x10fc [ 57.640122][ T5263] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.641119][ T5263] invoke_syscall+0x98/0x2b0 [ 57.641876][ T5263] el0_svc_common+0x138/0x258 [ 57.642675][ T5263] do_el0_svc+0x58/0x13c [ 57.643356][ T5263] el0_svc+0x78/0x1d0 [ 57.644011][ T5263] el0t_64_sync_handler+0xcc/0xe4 [ 57.644886][ T5263] el0t_64_sync+0x1a0/0x1a4 [ 57.647735][ T5263] ------------[ cut here ]------------ [ 57.648749][ T5263] WARNING: CPU: 1 PID: 5263 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 57.650349][ T5263] Modules linked in: [ 57.650952][ T5263] CPU: 1 PID: 5263 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.652430][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.654062][ T5263] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.655250][ T5263] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.656259][ T5263] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.657228][ T5263] sp : ffff800021c57440 [ 57.657969][ T5263] x29: ffff800021c57560 x28: dfff800000000000 x27: 0000000000000000 [ 57.659344][ T5263] x26: ffff0000db677100 x25: ffff800021c57890 x24: ffff0000e2185850 [ 57.660741][ T5263] x23: ffff70000438ae98 x22: 00000000fffffff4 x21: 1fffe0001b9d16fd [ 57.662076][ T5263] x20: ffff0000dce8b790 x19: ffff0000dce8b7e8 x18: 0000000000000001 [ 57.663426][ T5263] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 57.664734][ T5263] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.666036][ T5263] x11: 0000000000000000 x10: 0000000000000000 x9 : e368b3a1cb17c600 [ 57.667361][ T5263] x8 : e368b3a1cb17c600 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.668672][ T5263] x5 : ffff800021c56d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.669980][ T5263] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.671248][ T5263] Call trace: [ 57.671764][ T5263] btrfs_replace_file_extents+0xcc4/0x1238 [ 57.672866][ T5263] btrfs_clone+0xb7c/0x1d14 [ 57.673638][ T5263] btrfs_clone_files+0x278/0x320 [ 57.674450][ T5263] btrfs_remap_file_range+0x488/0xb9c [ 57.675374][ T5263] vfs_copy_file_range+0xab0/0x10fc [ 57.676244][ T5263] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.677248][ T5263] invoke_syscall+0x98/0x2b0 [ 57.678026][ T5263] el0_svc_common+0x138/0x258 [ 57.678772][ T5263] do_el0_svc+0x58/0x13c [ 57.679549][ T5263] el0_svc+0x78/0x1d0 [ 57.680226][ T5263] el0t_64_sync_handler+0xcc/0xe4 [ 57.681125][ T5263] el0t_64_sync+0x1a0/0x1a4 [ 57.681885][ T5263] irq event stamp: 80692 [ 57.682512][ T5263] hardirqs last enabled at (80691): [] __up_console_sem+0xb4/0xfc [ 57.684175][ T5263] hardirqs last disabled at (80692): [] el1_dbg+0x24/0x80 [ 57.685616][ T5263] softirqs last enabled at (80672): [] handle_softirqs+0xa40/0xbe4 [ 57.687211][ T5263] softirqs last disabled at (80517): [] __irq_exit_rcu+0x240/0x43c [ 57.688825][ T5263] ---[ end trace b1243b3c039d753d ]--- [ 57.691767][ T5263] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.876799][ T5284] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5284) [ 57.911312][ T5284] FAULT_INJECTION: forcing a failure. [ 57.911312][ T5284] name failslab, interval 1, probability 0, space 0, times 0 [ 57.913947][ T5284] CPU: 1 PID: 5284 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.915313][ T5284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.916966][ T5284] Call trace: [ 57.917505][ T5284] dump_backtrace+0x0/0x458 [ 57.918194][ T5284] show_stack+0x2c/0x3c [ 57.918825][ T5284] __dump_stack+0x30/0x40 [ 57.919463][ T5284] dump_stack_lvl+0xf4/0x15c [ 57.920143][ T5284] dump_stack+0x1c/0x5c [ 57.920812][ T5284] should_fail+0x3bc/0x514 [ 57.921501][ T5284] __should_failslab+0xbc/0x10c [ 57.922236][ T5284] should_failslab+0x10/0x28 [ 57.923107][ T5284] slab_pre_alloc_hook+0x64/0xe8 [ 57.923917][ T5284] kmem_cache_alloc+0x94/0x3d4 [ 57.924652][ T5284] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 57.925582][ T5284] btrfs_inc_extent_ref+0x100/0x198 [ 57.926471][ T5284] btrfs_insert_replace_extent+0x6a0/0x9cc [ 57.927429][ T5284] btrfs_replace_file_extents+0x89c/0x1238 [ 57.928382][ T5284] btrfs_clone+0xb7c/0x1d14 [ 57.929187][ T5284] btrfs_clone_files+0x278/0x320 [ 57.930019][ T5284] btrfs_remap_file_range+0x488/0xb9c [ 57.930926][ T5284] vfs_copy_file_range+0xab0/0x10fc [ 57.931816][ T5284] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.932826][ T5284] invoke_syscall+0x98/0x2b0 [ 57.933605][ T5284] el0_svc_common+0x138/0x258 [ 57.934376][ T5284] do_el0_svc+0x58/0x13c [ 57.935096][ T5284] el0_svc+0x78/0x1d0 [ 57.935739][ T5284] el0t_64_sync_handler+0xcc/0xe4 [ 57.936601][ T5284] el0t_64_sync+0x1a0/0x1a4 [ 57.938987][ T5284] ------------[ cut here ]------------ [ 57.940005][ T5284] WARNING: CPU: 1 PID: 5284 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 57.941735][ T5284] Modules linked in: [ 57.942377][ T5284] CPU: 1 PID: 5284 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.944008][ T5284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.945663][ T5284] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.946956][ T5284] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.948032][ T5284] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.949195][ T5284] sp : ffff800021ec7440 [ 57.949912][ T5284] x29: ffff800021ec7560 x28: dfff800000000000 x27: 0000000000000000 [ 57.951211][ T5284] x26: ffff0000d6757900 x25: ffff800021ec7890 x24: ffff0000de7b3ae0 [ 57.952578][ T5284] x23: ffff7000043d8e98 x22: 00000000fffffff4 x21: 1fffe0001b9d173f [ 57.953932][ T5284] x20: ffff0000dce8b9a0 x19: ffff0000dce8b9f8 x18: 0000000000000001 [ 57.955266][ T5284] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 57.956531][ T5284] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.957911][ T5284] x11: 0000000000000000 x10: 0000000000000000 x9 : 6ea3a78e58420a00 [ 57.959246][ T5284] x8 : 6ea3a78e58420a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.960549][ T5284] x5 : ffff800021ec6d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.961871][ T5284] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.963239][ T5284] Call trace: [ 57.963785][ T5284] btrfs_replace_file_extents+0xcc4/0x1238 [ 57.964735][ T5284] btrfs_clone+0xb7c/0x1d14 [ 57.965457][ T5284] btrfs_clone_files+0x278/0x320 [ 57.966283][ T5284] btrfs_remap_file_range+0x488/0xb9c [ 57.967196][ T5284] vfs_copy_file_range+0xab0/0x10fc [ 57.968025][ T5284] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.968990][ T5284] invoke_syscall+0x98/0x2b0 [ 57.969764][ T5284] el0_svc_common+0x138/0x258 [ 57.970592][ T5284] do_el0_svc+0x58/0x13c [ 57.971350][ T5284] el0_svc+0x78/0x1d0 [ 57.972010][ T5284] el0t_64_sync_handler+0xcc/0xe4 [ 57.972825][ T5284] el0t_64_sync+0x1a0/0x1a4 [ 57.973533][ T5284] irq event stamp: 80330 [ 57.974169][ T5284] hardirqs last enabled at (80329): [] __up_console_sem+0xb4/0xfc [ 57.975773][ T5284] hardirqs last disabled at (80330): [] el1_dbg+0x24/0x80 [ 57.977140][ T5284] softirqs last enabled at (80306): [] handle_softirqs+0xa40/0xbe4 [ 57.978676][ T5284] softirqs last disabled at (80289): [] __irq_exit_rcu+0x240/0x43c [ 57.980343][ T5284] ---[ end trace b1243b3c039d753e ]--- [ 57.983673][ T5284] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.162417][ T5305] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5305) [ 58.184012][ T5305] FAULT_INJECTION: forcing a failure. [ 58.184012][ T5305] name failslab, interval 1, probability 0, space 0, times 0 [ 58.186222][ T5305] CPU: 0 PID: 5305 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.187714][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.189409][ T5305] Call trace: [ 58.189953][ T5305] dump_backtrace+0x0/0x458 [ 58.190776][ T5305] show_stack+0x2c/0x3c [ 58.191423][ T5305] __dump_stack+0x30/0x40 [ 58.192135][ T5305] dump_stack_lvl+0xf4/0x15c [ 58.192892][ T5305] dump_stack+0x1c/0x5c [ 58.193556][ T5305] should_fail+0x3bc/0x514 [ 58.194324][ T5305] __should_failslab+0xbc/0x10c [ 58.195152][ T5305] should_failslab+0x10/0x28 [ 58.195884][ T5305] slab_pre_alloc_hook+0x64/0xe8 [ 58.196665][ T5305] kmem_cache_alloc+0x94/0x3d4 [ 58.197425][ T5305] btrfs_add_delayed_data_ref+0x160/0xd08 [ 58.198338][ T5305] btrfs_inc_extent_ref+0x100/0x198 [ 58.199165][ T5305] btrfs_insert_replace_extent+0x6a0/0x9cc [ 58.200113][ T5305] btrfs_replace_file_extents+0x89c/0x1238 [ 58.201002][ T5305] btrfs_clone+0xb7c/0x1d14 [ 58.201761][ T5305] btrfs_clone_files+0x278/0x320 [ 58.202534][ T5305] btrfs_remap_file_range+0x488/0xb9c [ 58.203351][ T5305] vfs_copy_file_range+0xab0/0x10fc [ 58.204131][ T5305] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.205091][ T5305] invoke_syscall+0x98/0x2b0 [ 58.205825][ T5305] el0_svc_common+0x138/0x258 [ 58.206508][ T5305] do_el0_svc+0x58/0x13c [ 58.207231][ T5305] el0_svc+0x78/0x1d0 [ 58.207920][ T5305] el0t_64_sync_handler+0xcc/0xe4 [ 58.208724][ T5305] el0t_64_sync+0x1a0/0x1a4 [ 58.209707][ T5305] ------------[ cut here ]------------ [ 58.210674][ T5305] WARNING: CPU: 0 PID: 5305 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 58.212288][ T5305] Modules linked in: [ 58.212872][ T5305] CPU: 0 PID: 5305 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.214328][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.215861][ T5305] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.217030][ T5305] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.217948][ T5305] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.218968][ T5305] sp : ffff800022327440 [ 58.219634][ T5305] x29: ffff800022327560 x28: dfff800000000000 x27: 0000000000000000 [ 58.220986][ T5305] x26: ffff0000c12f3000 x25: ffff800022327890 x24: ffff0000de7d93a0 [ 58.222207][ T5305] x23: ffff700004464e98 x22: 00000000fffffff4 x21: 1fffe0001bca7197 [ 58.223516][ T5305] x20: ffff0000de538c60 x19: ffff0000de538cb8 x18: 0000000000000001 [ 58.224807][ T5305] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 58.225893][ T5305] x14: 0000000000000001 x13: 1ffff00004464da8 x12: 0000000000ff0100 [ 58.227010][ T5305] x11: 0000000000000000 x10: 0000000000000000 x9 : f216d46875cce300 [ 58.228217][ T5305] x8 : f216d46875cce300 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.229535][ T5305] x5 : ffff800022326d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 58.230766][ T5305] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.232012][ T5305] Call trace: [ 58.232502][ T5305] btrfs_replace_file_extents+0xcc4/0x1238 [ 58.233388][ T5305] btrfs_clone+0xb7c/0x1d14 [ 58.234073][ T5305] btrfs_clone_files+0x278/0x320 [ 58.234849][ T5305] btrfs_remap_file_range+0x488/0xb9c [ 58.235691][ T5305] vfs_copy_file_range+0xab0/0x10fc [ 58.236508][ T5305] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.237442][ T5305] invoke_syscall+0x98/0x2b0 [ 58.238194][ T5305] el0_svc_common+0x138/0x258 [ 58.238921][ T5305] do_el0_svc+0x58/0x13c [ 58.239568][ T5305] el0_svc+0x78/0x1d0 [ 58.240181][ T5305] el0t_64_sync_handler+0xcc/0xe4 [ 58.240998][ T5305] el0t_64_sync+0x1a0/0x1a4 [ 58.241681][ T5305] irq event stamp: 80660 [ 58.242350][ T5305] hardirqs last enabled at (80659): [] __up_console_sem+0xb4/0xfc [ 58.243785][ T5305] hardirqs last disabled at (80660): [] el1_dbg+0x24/0x80 [ 58.245112][ T5305] softirqs last enabled at (80640): [] handle_softirqs+0xa40/0xbe4 [ 58.246601][ T5305] softirqs last disabled at (80571): [] __irq_exit_rcu+0x240/0x43c [ 58.248054][ T5305] ---[ end trace b1243b3c039d753f ]--- [ 58.249076][ T5305] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.449465][ T5326] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5326) [ 58.454361][ T5326] btrfs_printk: 50 callbacks suppressed [ 58.454370][ T5326] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.456731][ T5326] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.458172][ T5326] BTRFS info (device loop0): turning on flush-on-commit [ 58.459283][ T5326] BTRFS info (device loop0): disabling tree log [ 58.460442][ T5326] BTRFS info (device loop0): enabling auto defrag [ 58.461514][ T5326] BTRFS info (device loop0): using free space tree [ 58.462527][ T5326] BTRFS info (device loop0): has skinny extents [ 58.480324][ T5326] BTRFS info (device loop0): enabling ssd optimizations [ 58.487124][ T5326] FAULT_INJECTION: forcing a failure. [ 58.487124][ T5326] name failslab, interval 1, probability 0, space 0, times 0 [ 58.489267][ T5326] CPU: 1 PID: 5326 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.490755][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.492372][ T5326] Call trace: [ 58.492892][ T5326] dump_backtrace+0x0/0x458 [ 58.493600][ T5326] show_stack+0x2c/0x3c [ 58.494230][ T5326] __dump_stack+0x30/0x40 [ 58.494895][ T5326] dump_stack_lvl+0xf4/0x15c [ 58.495613][ T5326] dump_stack+0x1c/0x5c [ 58.496328][ T5326] should_fail+0x3bc/0x514 [ 58.497018][ T5326] __should_failslab+0xbc/0x10c [ 58.497766][ T5326] should_failslab+0x10/0x28 [ 58.498472][ T5326] slab_pre_alloc_hook+0x64/0xe8 [ 58.499271][ T5326] kmem_cache_alloc+0x94/0x3d4 [ 58.500119][ T5326] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 58.501103][ T5326] btrfs_inc_extent_ref+0x100/0x198 [ 58.501977][ T5326] btrfs_insert_replace_extent+0x6a0/0x9cc [ 58.502924][ T5326] btrfs_replace_file_extents+0x89c/0x1238 [ 58.503870][ T5326] btrfs_clone+0xb7c/0x1d14 [ 58.504601][ T5326] btrfs_clone_files+0x278/0x320 [ 58.505419][ T5326] btrfs_remap_file_range+0x488/0xb9c [ 58.506277][ T5326] vfs_copy_file_range+0xab0/0x10fc [ 58.507132][ T5326] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.508104][ T5326] invoke_syscall+0x98/0x2b0 [ 58.508864][ T5326] el0_svc_common+0x138/0x258 [ 58.509737][ T5326] do_el0_svc+0x58/0x13c [ 58.510452][ T5326] el0_svc+0x78/0x1d0 [ 58.511165][ T5326] el0t_64_sync_handler+0xcc/0xe4 [ 58.512027][ T5326] el0t_64_sync+0x1a0/0x1a4 [ 58.513637][ T5326] ------------[ cut here ]------------ [ 58.514505][ T5326] WARNING: CPU: 1 PID: 5326 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 58.515926][ T5326] Modules linked in: [ 58.516528][ T5326] CPU: 1 PID: 5326 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.517833][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.519318][ T5326] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.520494][ T5326] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.521386][ T5326] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.522324][ T5326] sp : ffff800022457440 [ 58.522956][ T5326] x29: ffff800022457560 x28: dfff800000000000 x27: 0000000000000000 [ 58.524165][ T5326] x26: ffff0000d51ea600 x25: ffff800022457890 x24: ffff0000de7b44b0 [ 58.525293][ T5326] x23: ffff70000448ae98 x22: 00000000fffffff4 x21: 1fffe0001b9d17ad [ 58.526430][ T5326] x20: ffff0000dce8bd10 x19: ffff0000dce8bd68 x18: 0000000000000001 [ 58.527697][ T5326] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 58.529212][ T5326] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 58.530527][ T5326] x11: 0000000000000000 x10: 0000000000000000 x9 : 6a506ad0509a6800 [ 58.531758][ T5326] x8 : 6a506ad0509a6800 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.533072][ T5326] x5 : ffff800022456d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 58.534278][ T5326] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.535656][ T5326] Call trace: [ 58.536208][ T5326] btrfs_replace_file_extents+0xcc4/0x1238 [ 58.537079][ T5326] btrfs_clone+0xb7c/0x1d14 [ 58.537796][ T5326] btrfs_clone_files+0x278/0x320 [ 58.538593][ T5326] btrfs_remap_file_range+0x488/0xb9c [ 58.539441][ T5326] vfs_copy_file_range+0xab0/0x10fc [ 58.540229][ T5326] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.541206][ T5326] invoke_syscall+0x98/0x2b0 [ 58.541917][ T5326] el0_svc_common+0x138/0x258 [ 58.542728][ T5326] do_el0_svc+0x58/0x13c [ 58.543476][ T5326] el0_svc+0x78/0x1d0 [ 58.544160][ T5326] el0t_64_sync_handler+0xcc/0xe4 [ 58.545017][ T5326] el0t_64_sync+0x1a0/0x1a4 [ 58.545735][ T5326] irq event stamp: 81408 [ 58.546475][ T5326] hardirqs last enabled at (81407): [] __up_console_sem+0xb4/0xfc [ 58.547997][ T5326] hardirqs last disabled at (81408): [] el1_dbg+0x24/0x80 [ 58.549368][ T5326] softirqs last enabled at (81384): [] handle_softirqs+0xa40/0xbe4 [ 58.550976][ T5326] softirqs last disabled at (81357): [] __irq_exit_rcu+0x240/0x43c [ 58.552537][ T5326] ---[ end trace b1243b3c039d7540 ]--- [ 58.554212][ T5326] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.555858][ T5326] BTRFS info (device loop0): forced readonly [ 58.759937][ T5347] set_capacity_and_notify: 8 callbacks suppressed [ 58.759945][ T5347] loop0: detected capacity change from 0 to 32768 [ 58.764169][ T5347] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5347) [ 58.768052][ T5347] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.769607][ T5347] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.770916][ T5347] BTRFS info (device loop0): turning on flush-on-commit [ 58.772052][ T5347] BTRFS info (device loop0): disabling tree log [ 58.773522][ T5347] BTRFS info (device loop0): enabling auto defrag [ 58.774487][ T5347] BTRFS info (device loop0): using free space tree [ 58.775615][ T5347] BTRFS info (device loop0): has skinny extents [ 58.790875][ T5347] BTRFS info (device loop0): enabling ssd optimizations [ 58.796880][ T5347] FAULT_INJECTION: forcing a failure. [ 58.796880][ T5347] name failslab, interval 1, probability 0, space 0, times 0 [ 58.798891][ T5347] CPU: 1 PID: 5347 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.800466][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.802060][ T5347] Call trace: [ 58.802558][ T5347] dump_backtrace+0x0/0x458 [ 58.803233][ T5347] show_stack+0x2c/0x3c [ 58.803891][ T5347] __dump_stack+0x30/0x40 [ 58.804569][ T5347] dump_stack_lvl+0xf4/0x15c [ 58.805347][ T5347] dump_stack+0x1c/0x5c [ 58.805974][ T5347] should_fail+0x3bc/0x514 [ 58.806650][ T5347] __should_failslab+0xbc/0x10c [ 58.807376][ T5347] should_failslab+0x10/0x28 [ 58.808071][ T5347] slab_pre_alloc_hook+0x64/0xe8 [ 58.808786][ T5347] kmem_cache_alloc+0x94/0x3d4 [ 58.809536][ T5347] btrfs_add_delayed_data_ref+0x160/0xd08 [ 58.810358][ T5347] btrfs_inc_extent_ref+0x100/0x198 [ 58.811099][ T5347] btrfs_insert_replace_extent+0x6a0/0x9cc [ 58.811927][ T5347] btrfs_replace_file_extents+0x89c/0x1238 [ 58.812783][ T5347] btrfs_clone+0xb7c/0x1d14 [ 58.813495][ T5347] btrfs_clone_files+0x278/0x320 [ 58.814262][ T5347] btrfs_remap_file_range+0x488/0xb9c [ 58.815021][ T5347] vfs_copy_file_range+0xab0/0x10fc [ 58.815793][ T5347] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.816704][ T5347] invoke_syscall+0x98/0x2b0 [ 58.817429][ T5347] el0_svc_common+0x138/0x258 [ 58.818185][ T5347] do_el0_svc+0x58/0x13c [ 58.818821][ T5347] el0_svc+0x78/0x1d0 [ 58.819411][ T5347] el0t_64_sync_handler+0xcc/0xe4 [ 58.820164][ T5347] el0t_64_sync+0x1a0/0x1a4 [ 58.822063][ T5347] ------------[ cut here ]------------ [ 58.823052][ T5347] WARNING: CPU: 1 PID: 5347 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 58.824676][ T5347] Modules linked in: [ 58.825298][ T5347] CPU: 1 PID: 5347 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.826670][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.828126][ T5347] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.829276][ T5347] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.830144][ T5347] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.831049][ T5347] sp : ffff800022217440 [ 58.831684][ T5347] x29: ffff800022217560 x28: dfff800000000000 x27: 0000000000000000 [ 58.832906][ T5347] x26: ffff0000c7f45c00 x25: ffff800022217890 x24: ffff0000de7b2740 [ 58.834210][ T5347] x23: ffff700004442e98 x22: 00000000fffffff4 x21: 1fffe0001bca8621 [ 58.835654][ T5347] x20: ffff0000de5430b0 x19: ffff0000de543108 x18: 0000000000000001 [ 58.836894][ T5347] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 58.838145][ T5347] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 58.839412][ T5347] x11: 0000000000000000 x10: 0000000000000000 x9 : 4cca4bd1259ac700 [ 58.840739][ T5347] x8 : 4cca4bd1259ac700 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.841971][ T5347] x5 : ffff800022216d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 58.843245][ T5347] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.844616][ T5347] Call trace: [ 58.845111][ T5347] btrfs_replace_file_extents+0xcc4/0x1238 [ 58.846152][ T5347] btrfs_clone+0xb7c/0x1d14 [ 58.846845][ T5347] btrfs_clone_files+0x278/0x320 [ 58.847674][ T5347] btrfs_remap_file_range+0x488/0xb9c [ 58.848605][ T5347] vfs_copy_file_range+0xab0/0x10fc [ 58.849452][ T5347] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.850378][ T5347] invoke_syscall+0x98/0x2b0 [ 58.851170][ T5347] el0_svc_common+0x138/0x258 [ 58.851891][ T5347] do_el0_svc+0x58/0x13c [ 58.852509][ T5347] el0_svc+0x78/0x1d0 [ 58.853100][ T5347] el0t_64_sync_handler+0xcc/0xe4 [ 58.853850][ T5347] el0t_64_sync+0x1a0/0x1a4 [ 58.854513][ T5347] irq event stamp: 80750 [ 58.855112][ T5347] hardirqs last enabled at (80749): [] __up_console_sem+0xb4/0xfc [ 58.856552][ T5347] hardirqs last disabled at (80750): [] el1_dbg+0x24/0x80 [ 58.857821][ T5347] softirqs last enabled at (80728): [] handle_softirqs+0xa40/0xbe4 [ 58.859307][ T5347] softirqs last disabled at (80613): [] __irq_exit_rcu+0x240/0x43c [ 58.860636][ T5347] ---[ end trace b1243b3c039d7541 ]--- [ 58.864087][ T5347] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.865568][ T5347] BTRFS info (device loop0): forced readonly [ 59.074496][ T5368] loop0: detected capacity change from 0 to 32768 [ 59.077216][ T5368] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5368) [ 59.081629][ T5368] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.083583][ T5368] BTRFS info (device loop0): setting nodatacow, compression disabled [ 59.085124][ T5368] BTRFS info (device loop0): turning on flush-on-commit [ 59.086163][ T5368] BTRFS info (device loop0): disabling tree log [ 59.087047][ T5368] BTRFS info (device loop0): enabling auto defrag [ 59.088122][ T5368] BTRFS info (device loop0): using free space tree [ 59.089153][ T5368] BTRFS info (device loop0): has skinny extents [ 59.114743][ T5368] BTRFS info (device loop0): enabling ssd optimizations [ 59.120654][ T5368] FAULT_INJECTION: forcing a failure. [ 59.120654][ T5368] name failslab, interval 1, probability 0, space 0, times 0 [ 59.123910][ T5368] CPU: 1 PID: 5368 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.125227][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.126816][ T5368] Call trace: [ 59.127370][ T5368] dump_backtrace+0x0/0x458 [ 59.128069][ T5368] show_stack+0x2c/0x3c [ 59.128732][ T5368] __dump_stack+0x30/0x40 [ 59.129506][ T5368] dump_stack_lvl+0xf4/0x15c [ 59.130303][ T5368] dump_stack+0x1c/0x5c [ 59.131034][ T5368] should_fail+0x3bc/0x514 [ 59.131782][ T5368] __should_failslab+0xbc/0x10c [ 59.132591][ T5368] should_failslab+0x10/0x28 [ 59.133370][ T5368] slab_pre_alloc_hook+0x64/0xe8 [ 59.134186][ T5368] kmem_cache_alloc+0x94/0x3d4 [ 59.134990][ T5368] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 59.135951][ T5368] btrfs_inc_extent_ref+0x100/0x198 [ 59.136735][ T5368] btrfs_insert_replace_extent+0x6a0/0x9cc [ 59.137731][ T5368] btrfs_replace_file_extents+0x89c/0x1238 [ 59.138685][ T5368] btrfs_clone+0xb7c/0x1d14 [ 59.139373][ T5368] btrfs_clone_files+0x278/0x320 [ 59.140167][ T5368] btrfs_remap_file_range+0x488/0xb9c [ 59.141023][ T5368] vfs_copy_file_range+0xab0/0x10fc [ 59.141944][ T5368] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.142905][ T5368] invoke_syscall+0x98/0x2b0 [ 59.143634][ T5368] el0_svc_common+0x138/0x258 [ 59.144370][ T5368] do_el0_svc+0x58/0x13c [ 59.145063][ T5368] el0_svc+0x78/0x1d0 [ 59.145747][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 59.146617][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 59.148481][ T5368] ------------[ cut here ]------------ [ 59.149408][ T5368] WARNING: CPU: 1 PID: 5368 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 59.150829][ T5368] Modules linked in: [ 59.151449][ T5368] CPU: 1 PID: 5368 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.153005][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.154591][ T5368] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.155855][ T5368] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.156825][ T5368] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.157787][ T5368] sp : ffff8000226b7440 [ 59.158408][ T5368] x29: ffff8000226b7560 x28: dfff800000000000 x27: 0000000000000000 [ 59.159775][ T5368] x26: ffff0000cebdf200 x25: ffff8000226b7890 x24: ffff0000de7b75c0 [ 59.161038][ T5368] x23: ffff7000044d6e98 x22: 00000000fffffff4 x21: 1fffe0001bca8679 [ 59.162313][ T5368] x20: ffff0000de543370 x19: ffff0000de5433c8 x18: 0000000000000001 [ 59.163545][ T5368] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 59.164739][ T5368] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 59.166094][ T5368] x11: 0000000000000000 x10: 0000000000000000 x9 : c9ae3e8c8789da00 [ 59.167451][ T5368] x8 : c9ae3e8c8789da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.168762][ T5368] x5 : ffff8000226b6d58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 59.170046][ T5368] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.171253][ T5368] Call trace: [ 59.171860][ T5368] btrfs_replace_file_extents+0xcc4/0x1238 [ 59.172781][ T5368] btrfs_clone+0xb7c/0x1d14 [ 59.173539][ T5368] btrfs_clone_files+0x278/0x320 [ 59.174412][ T5368] btrfs_remap_file_range+0x488/0xb9c [ 59.175306][ T5368] vfs_copy_file_range+0xab0/0x10fc [ 59.176215][ T5368] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.177157][ T5368] invoke_syscall+0x98/0x2b0 [ 59.177824][ T5368] el0_svc_common+0x138/0x258 [ 59.178527][ T5368] do_el0_svc+0x58/0x13c [ 59.179174][ T5368] el0_svc+0x78/0x1d0 [ 59.179837][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 59.180657][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 59.181387][ T5368] irq event stamp: 80776 [ 59.182125][ T5368] hardirqs last enabled at (80775): [] __up_console_sem+0xb4/0xfc [ 59.183727][ T5368] hardirqs last disabled at (80776): [] el1_dbg+0x24/0x80 [ 59.185179][ T5368] softirqs last enabled at (80752): [] handle_softirqs+0xa40/0xbe4 [ 59.186694][ T5368] softirqs last disabled at (80641): [] __irq_exit_rcu+0x240/0x43c [ 59.188242][ T5368] ---[ end trace b1243b3c039d7542 ]--- [ 59.189943][ T5368] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.191383][ T5368] BTRFS info (device loop0): forced readonly [ 59.359864][ T5389] loop0: detected capacity change from 0 to 32768 [ 59.362370][ T5389] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5389) [ 59.366916][ T5389] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.368555][ T5389] BTRFS info (device loop0): setting nodatacow, compression disabled [ 59.369926][ T5389] BTRFS info (device loop0): turning on flush-on-commit [ 59.371204][ T5389] BTRFS info (device loop0): disabling tree log [ 59.372358][ T5389] BTRFS info (device loop0): enabling auto defrag [ 59.373538][ T5389] BTRFS info (device loop0): using free space tree [ 59.374526][ T5389] BTRFS info (device loop0): has skinny extents [ 59.387380][ T5389] BTRFS info (device loop0): enabling ssd optimizations [ 59.393905][ T5389] FAULT_INJECTION: forcing a failure. [ 59.393905][ T5389] name failslab, interval 1, probability 0, space 0, times 0 [ 59.395772][ T5389] CPU: 1 PID: 5389 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.397324][ T5389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.399064][ T5389] Call trace: [ 59.399607][ T5389] dump_backtrace+0x0/0x458 [ 59.400416][ T5389] show_stack+0x2c/0x3c [ 59.401241][ T5389] __dump_stack+0x30/0x40 [ 59.401936][ T5389] dump_stack_lvl+0xf4/0x15c [ 59.402707][ T5389] dump_stack+0x1c/0x5c [ 59.403477][ T5389] should_fail+0x3bc/0x514 [ 59.404251][ T5389] __should_failslab+0xbc/0x10c [ 59.405217][ T5389] should_failslab+0x10/0x28 [ 59.406069][ T5389] slab_pre_alloc_hook+0x64/0xe8 [ 59.406864][ T5389] kmem_cache_alloc+0x94/0x3d4 [ 59.407630][ T5389] alloc_extent_map+0x28/0x128 [ 59.408371][ T5389] btrfs_drop_extent_cache+0x154/0xd90 [ 59.409200][ T5389] btrfs_drop_extents+0x2e8/0x2254 [ 59.410005][ T5389] btrfs_replace_file_extents+0x338/0x1238 [ 59.410923][ T5389] btrfs_clone+0xb7c/0x1d14 [ 59.411606][ T5389] btrfs_clone_files+0x278/0x320 [ 59.412370][ T5389] btrfs_remap_file_range+0x488/0xb9c [ 59.413221][ T5389] vfs_copy_file_range+0xab0/0x10fc [ 59.414077][ T5389] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.414967][ T5389] invoke_syscall+0x98/0x2b0 [ 59.415715][ T5389] el0_svc_common+0x138/0x258 [ 59.416416][ T5389] do_el0_svc+0x58/0x13c [ 59.417157][ T5389] el0_svc+0x78/0x1d0 [ 59.417815][ T5389] el0t_64_sync_handler+0xcc/0xe4 [ 59.418636][ T5389] el0t_64_sync+0x1a0/0x1a4 [ 59.602558][ T5410] loop0: detected capacity change from 0 to 32768 [ 59.605201][ T5410] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5410) [ 59.609104][ T5410] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.610594][ T5410] BTRFS info (device loop0): setting nodatacow, compression disabled [ 59.611919][ T5410] BTRFS info (device loop0): turning on flush-on-commit [ 59.613559][ T5410] BTRFS info (device loop0): disabling tree log [ 59.614502][ T5410] BTRFS info (device loop0): enabling auto defrag [ 59.615656][ T5410] BTRFS info (device loop0): using free space tree [ 59.616763][ T5410] BTRFS info (device loop0): has skinny extents [ 59.635765][ T5410] BTRFS info (device loop0): enabling ssd optimizations [ 59.642467][ T5410] FAULT_INJECTION: forcing a failure. [ 59.642467][ T5410] name failslab, interval 1, probability 0, space 0, times 0 [ 59.645517][ T5410] CPU: 1 PID: 5410 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.646982][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.648543][ T5410] Call trace: [ 59.649030][ T5410] dump_backtrace+0x0/0x458 [ 59.649729][ T5410] show_stack+0x2c/0x3c [ 59.650371][ T5410] __dump_stack+0x30/0x40 [ 59.651047][ T5410] dump_stack_lvl+0xf4/0x15c [ 59.651822][ T5410] dump_stack+0x1c/0x5c [ 59.652522][ T5410] should_fail+0x3bc/0x514 [ 59.653292][ T5410] __should_failslab+0xbc/0x10c [ 59.654092][ T5410] should_failslab+0x10/0x28 [ 59.654830][ T5410] slab_pre_alloc_hook+0x64/0xe8 [ 59.655593][ T5410] kmem_cache_alloc+0x94/0x3d4 [ 59.656359][ T5410] btrfs_add_delayed_data_ref+0x160/0xd08 [ 59.657329][ T5410] btrfs_inc_extent_ref+0x100/0x198 [ 59.658190][ T5410] btrfs_insert_replace_extent+0x6a0/0x9cc [ 59.659117][ T5410] btrfs_replace_file_extents+0x89c/0x1238 [ 59.660066][ T5410] btrfs_clone+0xb7c/0x1d14 [ 59.660867][ T5410] btrfs_clone_files+0x278/0x320 [ 59.661714][ T5410] btrfs_remap_file_range+0x488/0xb9c [ 59.662554][ T5410] vfs_copy_file_range+0xab0/0x10fc [ 59.663346][ T5410] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.664325][ T5410] invoke_syscall+0x98/0x2b0 [ 59.665088][ T5410] el0_svc_common+0x138/0x258 [ 59.665894][ T5410] do_el0_svc+0x58/0x13c [ 59.666559][ T5410] el0_svc+0x78/0x1d0 [ 59.667153][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 59.667924][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 59.669840][ T5410] ------------[ cut here ]------------ [ 59.670711][ T5410] WARNING: CPU: 1 PID: 5410 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 59.672359][ T5410] Modules linked in: [ 59.673017][ T5410] CPU: 1 PID: 5410 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.674546][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.676205][ T5410] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.677534][ T5410] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.678574][ T5410] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.679638][ T5410] sp : ffff800022c87440 [ 59.680344][ T5410] x29: ffff800022c87560 x28: dfff800000000000 x27: 0000000000000000 [ 59.681606][ T5410] x26: ffff0000d1aa5c00 x25: ffff800022c87890 x24: ffff0000e208a740 [ 59.682785][ T5410] x23: ffff700004590e98 x22: 00000000fffffff4 x21: 1fffe00018096c63 [ 59.683993][ T5410] x20: ffff0000c04b62c0 x19: ffff0000c04b6318 x18: 0000000000000001 [ 59.685265][ T5410] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 59.686562][ T5410] x14: 0000000000000001 x13: 1ffff00004590da8 x12: 0000000000ff0100 [ 59.687861][ T5410] x11: 0000000000000000 x10: 0000000000000000 x9 : 557adfe1ae1fd600 [ 59.689168][ T5410] x8 : 557adfe1ae1fd600 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.690436][ T5410] x5 : ffff800022c86d58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 59.691749][ T5410] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.693046][ T5410] Call trace: [ 59.693576][ T5410] btrfs_replace_file_extents+0xcc4/0x1238 [ 59.694411][ T5410] btrfs_clone+0xb7c/0x1d14 [ 59.695162][ T5410] btrfs_clone_files+0x278/0x320 [ 59.696004][ T5410] btrfs_remap_file_range+0x488/0xb9c [ 59.696838][ T5410] vfs_copy_file_range+0xab0/0x10fc [ 59.697769][ T5410] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.698751][ T5410] invoke_syscall+0x98/0x2b0 [ 59.699509][ T5410] el0_svc_common+0x138/0x258 [ 59.700233][ T5410] do_el0_svc+0x58/0x13c [ 59.700954][ T5410] el0_svc+0x78/0x1d0 [ 59.701594][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 59.702370][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 59.703033][ T5410] irq event stamp: 81242 [ 59.703671][ T5410] hardirqs last enabled at (81241): [] __up_console_sem+0xb4/0xfc [ 59.705176][ T5410] hardirqs last disabled at (81242): [] el1_dbg+0x24/0x80 [ 59.706530][ T5410] softirqs last enabled at (81222): [] handle_softirqs+0xa40/0xbe4 [ 59.708111][ T5410] softirqs last disabled at (81115): [] __irq_exit_rcu+0x240/0x43c [ 59.709673][ T5410] ---[ end trace b1243b3c039d7543 ]--- [ 59.712123][ T5410] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.713845][ T5410] BTRFS info (device loop0): forced readonly