Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 ignoring optional flag "type"="gce" 1970/01/01 00:00:49 parsed 1 programs [ 49.366819][ T4308] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:49 executed programs: 0 [ 49.435408][ T4316] chnl_net:caif_netlink_parms(): no params data found [ 49.454588][ T4316] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.455928][ T4316] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.457522][ T4316] device bridge_slave_0 entered promiscuous mode [ 49.459676][ T4316] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.460870][ T4316] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.462458][ T4316] device bridge_slave_1 entered promiscuous mode [ 49.471395][ T4316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.474833][ T4316] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.484549][ T4316] team0: Port device team_slave_0 added [ 49.486508][ T4316] team0: Port device team_slave_1 added [ 49.493488][ T4316] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.495556][ T4316] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.499957][ T4316] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.502554][ T4316] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.503597][ T4316] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 49.508331][ T4316] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.585452][ T4316] device hsr_slave_0 entered promiscuous mode [ 49.624163][ T4316] device hsr_slave_1 entered promiscuous mode [ 50.152435][ T4316] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.196136][ T4316] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.235325][ T4316] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.277053][ T4316] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.323305][ T4316] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.324549][ T4316] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.326042][ T4316] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.327286][ T4316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.350582][ T4316] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.358828][ T4316] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.367097][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.369004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.370751][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.376029][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.385780][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.387641][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.389579][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.393416][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.399505][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.402880][ T4316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.449926][ T4316] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.455723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.457059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.461765][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.463531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.470689][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.472444][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.476789][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.478340][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.481311][ T4316] device veth0_vlan entered promiscuous mode [ 50.485237][ T4316] device veth1_vlan entered promiscuous mode [ 50.492861][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.495121][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.496643][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.498192][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.502478][ T4316] device veth0_macvtap entered promiscuous mode [ 50.510135][ T4316] device veth1_macvtap entered promiscuous mode [ 50.517382][ T4316] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.518719][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.520300][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.521941][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.523418][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.527694][ T4316] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.529822][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.531488][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.536330][ T4316] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.537764][ T4316] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.539224][ T4316] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.540724][ T4316] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.690155][ T4438] loop0: detected capacity change from 0 to 32768 [ 50.700883][ T4438] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4438) [ 50.708697][ T4438] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.710483][ T4438] BTRFS info (device loop0): setting nodatacow, compression disabled [ 50.712010][ T4438] BTRFS info (device loop0): turning on flush-on-commit [ 50.713318][ T4438] BTRFS info (device loop0): disabling tree log [ 50.717355][ T4438] BTRFS info (device loop0): enabling auto defrag [ 50.718538][ T4438] BTRFS info (device loop0): using free space tree [ 50.719764][ T4438] BTRFS info (device loop0): has skinny extents [ 50.784782][ T4438] BTRFS info (device loop0): enabling ssd optimizations [ 50.799104][ T4438] FAULT_INJECTION: forcing a failure. [ 50.799104][ T4438] name failslab, interval 1, probability 0, space 0, times 1 [ 50.801590][ T4438] CPU: 1 PID: 4438 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.802940][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.804703][ T4438] Call trace: [ 50.805281][ T4438] dump_backtrace+0x0/0x458 [ 50.806086][ T4438] show_stack+0x2c/0x3c [ 50.806794][ T4438] __dump_stack+0x30/0x40 [ 50.807540][ T4438] dump_stack_lvl+0xf4/0x15c [ 50.808368][ T4438] dump_stack+0x1c/0x5c [ 50.809129][ T4438] should_fail+0x3bc/0x514 [ 50.809878][ T4438] __should_failslab+0xbc/0x10c [ 50.810738][ T4438] should_failslab+0x10/0x28 [ 50.811501][ T4438] slab_pre_alloc_hook+0x64/0xe8 [ 50.812439][ T4438] kmem_cache_alloc_trace+0x98/0x3ec [ 50.813360][ T4438] btrfs_alloc_block_rsv+0x5c/0x10c [ 50.814263][ T4438] btrfs_replace_file_extents+0x178/0x1238 [ 50.815274][ T4438] btrfs_clone+0xb7c/0x1d14 [ 50.816020][ T4438] btrfs_clone_files+0x278/0x320 [ 50.816885][ T4438] btrfs_remap_file_range+0x488/0xb9c [ 50.817804][ T4438] vfs_copy_file_range+0xab0/0x10fc [ 50.818651][ T4438] __arm64_sys_copy_file_range+0x540/0x8d4 [ 50.819733][ T4438] invoke_syscall+0x98/0x2b0 [ 50.820507][ T4438] el0_svc_common+0x138/0x258 [ 50.821300][ T4438] do_el0_svc+0x58/0x13c [ 50.822010][ T4438] el0_svc+0x78/0x1d0 [ 50.822693][ T4438] el0t_64_sync_handler+0xcc/0xe4 [ 50.823572][ T4438] el0t_64_sync+0x1a0/0x1a4 [ 51.075932][ T4506] loop0: detected capacity change from 0 to 32768 [ 51.079301][ T4506] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4506) [ 51.094605][ T4506] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.105664][ T4506] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.107152][ T4506] BTRFS info (device loop0): turning on flush-on-commit [ 51.108422][ T4506] BTRFS info (device loop0): disabling tree log [ 51.109638][ T4506] BTRFS info (device loop0): enabling auto defrag [ 51.110895][ T4506] BTRFS info (device loop0): using free space tree [ 51.112113][ T4506] BTRFS info (device loop0): has skinny extents [ 51.161155][ T4506] BTRFS info (device loop0): enabling ssd optimizations [ 51.173603][ T4506] FAULT_INJECTION: forcing a failure. [ 51.173603][ T4506] name failslab, interval 1, probability 0, space 0, times 0 [ 51.177203][ T4506] CPU: 0 PID: 4506 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.178497][ T4506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.180350][ T4506] Call trace: [ 51.180907][ T4506] dump_backtrace+0x0/0x458 [ 51.181757][ T4506] show_stack+0x2c/0x3c [ 51.182529][ T4506] __dump_stack+0x30/0x40 [ 51.183304][ T4506] dump_stack_lvl+0xf4/0x15c [ 51.184159][ T4506] dump_stack+0x1c/0x5c [ 51.184872][ T4506] should_fail+0x3bc/0x514 [ 51.185655][ T4506] __should_failslab+0xbc/0x10c [ 51.186450][ T4506] should_failslab+0x10/0x28 [ 51.187254][ T4506] slab_pre_alloc_hook+0x64/0xe8 [ 51.188110][ T4506] kmem_cache_alloc+0x94/0x3d4 [ 51.188974][ T4506] alloc_extent_map+0x28/0x128 [ 51.189807][ T4506] btrfs_drop_extent_cache+0x164/0xd90 [ 51.190722][ T4506] btrfs_drop_extents+0x2e8/0x2254 [ 51.191622][ T4506] btrfs_replace_file_extents+0x338/0x1238 [ 51.192640][ T4506] btrfs_clone+0xb7c/0x1d14 [ 51.193425][ T4506] btrfs_clone_files+0x278/0x320 [ 51.194265][ T4506] btrfs_remap_file_range+0x488/0xb9c [ 51.195186][ T4506] vfs_copy_file_range+0xab0/0x10fc [ 51.196030][ T4506] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.197020][ T4506] invoke_syscall+0x98/0x2b0 [ 51.197782][ T4506] el0_svc_common+0x138/0x258 [ 51.198545][ T4506] do_el0_svc+0x58/0x13c [ 51.199298][ T4506] el0_svc+0x78/0x1d0 [ 51.200009][ T4506] el0t_64_sync_handler+0xcc/0xe4 [ 51.200859][ T4506] el0t_64_sync+0x1a0/0x1a4 [ 51.414758][ T4564] loop0: detected capacity change from 0 to 32768 [ 51.420410][ T4564] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4564) [ 51.431308][ T4564] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.432896][ T4564] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.434374][ T4564] BTRFS info (device loop0): turning on flush-on-commit [ 51.435495][ T4564] BTRFS info (device loop0): disabling tree log [ 51.436490][ T4564] BTRFS info (device loop0): enabling auto defrag [ 51.437524][ T4564] BTRFS info (device loop0): using free space tree [ 51.438689][ T4564] BTRFS info (device loop0): has skinny extents [ 51.474381][ T4561] Bluetooth: hci0: command 0x0409 tx timeout [ 51.538988][ T4564] BTRFS info (device loop0): enabling ssd optimizations [ 51.552866][ T4564] FAULT_INJECTION: forcing a failure. [ 51.552866][ T4564] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 51.555786][ T4564] CPU: 1 PID: 4564 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.557003][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.558749][ T4564] Call trace: [ 51.559313][ T4564] dump_backtrace+0x0/0x458 [ 51.560084][ T4564] show_stack+0x2c/0x3c [ 51.560865][ T4564] __dump_stack+0x30/0x40 [ 51.561619][ T4564] dump_stack_lvl+0xf4/0x15c [ 51.562454][ T4564] dump_stack+0x1c/0x5c [ 51.563157][ T4564] should_fail+0x3bc/0x514 [ 51.563949][ T4564] should_fail_alloc_page+0x74/0xa8 [ 51.564849][ T4564] prepare_alloc_pages+0x160/0x45c [ 51.565766][ T4564] __alloc_pages+0x108/0x470 [ 51.566565][ T4564] alloc_pages+0x34c/0x5c0 [ 51.567289][ T4564] new_slab+0xe0/0x544 [ 51.567930][ T4564] ___slab_alloc+0x6b4/0xd8c [ 51.568698][ T4564] __slab_alloc+0x68/0xc0 [ 51.569460][ T4564] kmem_cache_alloc+0x2a4/0x3d4 [ 51.570266][ T4564] alloc_extent_map+0x28/0x128 [ 51.571154][ T4564] btrfs_drop_extent_cache+0x164/0xd90 [ 51.572073][ T4564] btrfs_drop_extents+0x2e8/0x2254 [ 51.572941][ T4564] btrfs_replace_file_extents+0x338/0x1238 [ 51.573991][ T4564] btrfs_clone+0xb7c/0x1d14 [ 51.574853][ T4564] btrfs_clone_files+0x278/0x320 [ 51.575727][ T4564] btrfs_remap_file_range+0x488/0xb9c [ 51.576595][ T4564] vfs_copy_file_range+0xab0/0x10fc [ 51.577513][ T4564] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.578499][ T4564] invoke_syscall+0x98/0x2b0 [ 51.579310][ T4564] el0_svc_common+0x138/0x258 [ 51.580131][ T4564] do_el0_svc+0x58/0x13c [ 51.580810][ T4564] el0_svc+0x78/0x1d0 [ 51.581488][ T4564] el0t_64_sync_handler+0xcc/0xe4 [ 51.582360][ T4564] el0t_64_sync+0x1a0/0x1a4 [ 51.813111][ T4622] loop0: detected capacity change from 0 to 32768 [ 51.816169][ T4622] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4622) [ 51.821021][ T4622] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.823311][ T4622] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.825497][ T4622] BTRFS info (device loop0): turning on flush-on-commit [ 51.826733][ T4622] BTRFS info (device loop0): disabling tree log [ 51.827759][ T4622] BTRFS info (device loop0): enabling auto defrag [ 51.829092][ T4622] BTRFS info (device loop0): using free space tree [ 51.830235][ T4622] BTRFS info (device loop0): has skinny extents [ 51.901378][ T4622] BTRFS info (device loop0): enabling ssd optimizations [ 51.914796][ T4622] FAULT_INJECTION: forcing a failure. [ 51.914796][ T4622] name failslab, interval 1, probability 0, space 0, times 0 [ 51.917021][ T4622] CPU: 1 PID: 4622 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.918338][ T4622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.920059][ T4622] Call trace: [ 51.920577][ T4622] dump_backtrace+0x0/0x458 [ 51.921402][ T4622] show_stack+0x2c/0x3c [ 51.922083][ T4622] __dump_stack+0x30/0x40 [ 51.922844][ T4622] dump_stack_lvl+0xf4/0x15c [ 51.923576][ T4622] dump_stack+0x1c/0x5c [ 51.924227][ T4622] should_fail+0x3bc/0x514 [ 51.925007][ T4622] __should_failslab+0xbc/0x10c [ 51.925856][ T4622] should_failslab+0x10/0x28 [ 51.926703][ T4622] slab_pre_alloc_hook+0x64/0xe8 [ 51.927625][ T4622] kmem_cache_alloc+0x94/0x3d4 [ 51.928465][ T4622] btrfs_add_delayed_data_ref+0x160/0xd08 [ 51.929498][ T4622] btrfs_inc_extent_ref+0x100/0x198 [ 51.930426][ T4622] btrfs_insert_replace_extent+0x6a0/0x9cc [ 51.931444][ T4622] btrfs_replace_file_extents+0x89c/0x1238 [ 51.932420][ T4622] btrfs_clone+0xb7c/0x1d14 [ 51.933151][ T4622] btrfs_clone_files+0x278/0x320 [ 51.934016][ T4622] btrfs_remap_file_range+0x488/0xb9c [ 51.934934][ T4622] vfs_copy_file_range+0xab0/0x10fc [ 51.935818][ T4622] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.936776][ T4622] invoke_syscall+0x98/0x2b0 [ 51.937547][ T4622] el0_svc_common+0x138/0x258 [ 51.938316][ T4622] do_el0_svc+0x58/0x13c [ 51.939009][ T4622] el0_svc+0x78/0x1d0 [ 51.939683][ T4622] el0t_64_sync_handler+0xcc/0xe4 [ 51.940530][ T4622] el0t_64_sync+0x1a0/0x1a4 [ 51.954731][ T4622] ------------[ cut here ]------------ [ 51.955849][ T4622] WARNING: CPU: 1 PID: 4622 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 51.957585][ T4622] Modules linked in: [ 51.958238][ T4622] CPU: 1 PID: 4622 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.959542][ T4622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.961268][ T4622] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.962698][ T4622] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 51.963783][ T4622] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 51.964885][ T4622] sp : ffff80001f8e7440 [ 51.965618][ T4622] x29: ffff80001f8e7560 x28: dfff800000000000 x27: 0000000000000000 [ 51.967062][ T4622] x26: ffff0000cac7c000 x25: ffff80001f8e7890 x24: ffff0000e244ce80 [ 51.968424][ T4622] x23: ffff700003f1ce98 x22: 00000000fffffff4 x21: 1fffe0001bd44b3f [ 51.969921][ T4622] x20: ffff0000dea259a0 x19: ffff0000dea259f8 x18: 0000000000000001 [ 51.971311][ T4622] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 51.972720][ T4622] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 51.974094][ T4622] x11: 0000000000000000 x10: 0000000000000000 x9 : b480c253e6ee4900 [ 51.975487][ T4622] x8 : b480c253e6ee4900 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.976921][ T4622] x5 : ffff80001f8e6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 51.978332][ T4622] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.979690][ T4622] Call trace: [ 51.980231][ T4622] btrfs_replace_file_extents+0xcc4/0x1238 [ 51.981250][ T4622] btrfs_clone+0xb7c/0x1d14 [ 51.981987][ T4622] btrfs_clone_files+0x278/0x320 [ 51.982861][ T4622] btrfs_remap_file_range+0x488/0xb9c [ 51.983807][ T4622] vfs_copy_file_range+0xab0/0x10fc [ 51.984727][ T4622] __arm64_sys_copy_file_range+0x540/0x8d4 [ 51.985744][ T4622] invoke_syscall+0x98/0x2b0 [ 51.986501][ T4622] el0_svc_common+0x138/0x258 [ 51.987325][ T4622] do_el0_svc+0x58/0x13c [ 51.988107][ T4622] el0_svc+0x78/0x1d0 [ 51.988825][ T4622] el0t_64_sync_handler+0xcc/0xe4 [ 51.989797][ T4622] el0t_64_sync+0x1a0/0x1a4 [ 51.990621][ T4622] irq event stamp: 81876 [ 51.991324][ T4622] hardirqs last enabled at (81875): [] __up_console_sem+0xb4/0xfc [ 51.993003][ T4622] hardirqs last disabled at (81876): [] el1_dbg+0x24/0x80 [ 51.994575][ T4622] softirqs last enabled at (81856): [] handle_softirqs+0xa40/0xbe4 [ 51.996202][ T4622] softirqs last disabled at (81757): [] __irq_exit_rcu+0x240/0x43c [ 51.997847][ T4622] ---[ end trace 4114951c4a670551 ]--- [ 52.000395][ T4622] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.002130][ T4622] BTRFS info (device loop0): forced readonly [ 52.188794][ T4678] loop0: detected capacity change from 0 to 32768 [ 52.199600][ T4678] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4678) [ 52.212099][ T4678] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.213773][ T4678] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.215674][ T4678] BTRFS info (device loop0): turning on flush-on-commit [ 52.223373][ T4678] BTRFS info (device loop0): disabling tree log [ 52.225301][ T4678] BTRFS info (device loop0): enabling auto defrag [ 52.226438][ T4678] BTRFS info (device loop0): using free space tree [ 52.227599][ T4678] BTRFS info (device loop0): has skinny extents [ 52.292313][ T4678] BTRFS info (device loop0): enabling ssd optimizations [ 52.319823][ T4678] FAULT_INJECTION: forcing a failure. [ 52.319823][ T4678] name failslab, interval 1, probability 0, space 0, times 0 [ 52.324977][ T4678] CPU: 1 PID: 4678 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.326573][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.328406][ T4678] Call trace: [ 52.328936][ T4678] dump_backtrace+0x0/0x458 [ 52.329769][ T4678] show_stack+0x2c/0x3c [ 52.330522][ T4678] __dump_stack+0x30/0x40 [ 52.331281][ T4678] dump_stack_lvl+0xf4/0x15c [ 52.332096][ T4678] dump_stack+0x1c/0x5c [ 52.332787][ T4678] should_fail+0x3bc/0x514 [ 52.333586][ T4678] __should_failslab+0xbc/0x10c [ 52.334445][ T4678] should_failslab+0x10/0x28 [ 52.335240][ T4678] slab_pre_alloc_hook+0x64/0xe8 [ 52.336077][ T4678] kmem_cache_alloc+0x94/0x3d4 [ 52.336901][ T4678] alloc_extent_map+0x28/0x128 [ 52.337743][ T4678] btrfs_drop_extent_cache+0x164/0xd90 [ 52.338671][ T4678] btrfs_drop_extents+0x2e8/0x2254 [ 52.339565][ T4678] btrfs_replace_file_extents+0x338/0x1238 [ 52.340595][ T4678] btrfs_clone+0xb7c/0x1d14 [ 52.341421][ T4678] btrfs_clone_files+0x278/0x320 [ 52.342328][ T4678] btrfs_remap_file_range+0x488/0xb9c [ 52.343224][ T4678] vfs_copy_file_range+0xab0/0x10fc [ 52.344062][ T4678] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.345061][ T4678] invoke_syscall+0x98/0x2b0 [ 52.345841][ T4678] el0_svc_common+0x138/0x258 [ 52.346652][ T4678] do_el0_svc+0x58/0x13c [ 52.347380][ T4678] el0_svc+0x78/0x1d0 [ 52.348091][ T4678] el0t_64_sync_handler+0xcc/0xe4 [ 52.348973][ T4678] el0t_64_sync+0x1a0/0x1a4 [ 52.608652][ T4730] loop0: detected capacity change from 0 to 32768 [ 52.620134][ T4730] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4730) [ 52.626304][ T4730] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.627985][ T4730] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.629410][ T4730] BTRFS info (device loop0): turning on flush-on-commit [ 52.630581][ T4730] BTRFS info (device loop0): disabling tree log [ 52.631731][ T4730] BTRFS info (device loop0): enabling auto defrag [ 52.632896][ T4730] BTRFS info (device loop0): using free space tree [ 52.634470][ T4730] BTRFS info (device loop0): has skinny extents [ 52.647064][ T4730] BTRFS info (device loop0): enabling ssd optimizations [ 52.653364][ T4730] FAULT_INJECTION: forcing a failure. [ 52.653364][ T4730] name failslab, interval 1, probability 0, space 0, times 0 [ 52.656171][ T4730] CPU: 0 PID: 4730 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.657701][ T4730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.659445][ T4730] Call trace: [ 52.660012][ T4730] dump_backtrace+0x0/0x458 [ 52.660804][ T4730] show_stack+0x2c/0x3c [ 52.661542][ T4730] __dump_stack+0x30/0x40 [ 52.662338][ T4730] dump_stack_lvl+0xf4/0x15c [ 52.663124][ T4730] dump_stack+0x1c/0x5c [ 52.663928][ T4730] should_fail+0x3bc/0x514 [ 52.664683][ T4730] __should_failslab+0xbc/0x10c [ 52.665517][ T4730] should_failslab+0x10/0x28 [ 52.666336][ T4730] slab_pre_alloc_hook+0x64/0xe8 [ 52.667200][ T4730] kmem_cache_alloc+0x94/0x3d4 [ 52.668004][ T4730] btrfs_add_delayed_data_ref+0x160/0xd08 [ 52.669015][ T4730] btrfs_inc_extent_ref+0x100/0x198 [ 52.669972][ T4730] btrfs_insert_replace_extent+0x6a0/0x9cc [ 52.671006][ T4730] btrfs_replace_file_extents+0x89c/0x1238 [ 52.672046][ T4730] btrfs_clone+0xb7c/0x1d14 [ 52.672871][ T4730] btrfs_clone_files+0x278/0x320 [ 52.673764][ T4730] btrfs_remap_file_range+0x488/0xb9c [ 52.674670][ T4730] vfs_copy_file_range+0xab0/0x10fc [ 52.675605][ T4730] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.676713][ T4730] invoke_syscall+0x98/0x2b0 [ 52.677507][ T4730] el0_svc_common+0x138/0x258 [ 52.678350][ T4730] do_el0_svc+0x58/0x13c [ 52.679128][ T4730] el0_svc+0x78/0x1d0 [ 52.679858][ T4730] el0t_64_sync_handler+0xcc/0xe4 [ 52.680739][ T4730] el0t_64_sync+0x1a0/0x1a4 [ 52.683385][ T4730] ------------[ cut here ]------------ [ 52.684600][ T4730] WARNING: CPU: 0 PID: 4730 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 52.686343][ T4730] Modules linked in: [ 52.687020][ T4730] CPU: 0 PID: 4730 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.688595][ T4730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.690294][ T4730] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.691712][ T4730] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.692793][ T4730] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.693846][ T4730] sp : ffff80001fc37440 [ 52.694540][ T4730] x29: ffff80001fc37560 x28: dfff800000000000 x27: 0000000000000000 [ 52.696007][ T4730] x26: ffff0000dace3400 x25: ffff80001fc37890 x24: ffff0000e246ce80 [ 52.697472][ T4730] x23: ffff700003f86e98 x22: 00000000fffffff4 x21: 1fffe0001bd44d29 [ 52.698918][ T4730] x20: ffff0000dea268f0 x19: ffff0000dea26948 x18: 0000000000000001 [ 52.700295][ T4730] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 52.701700][ T4730] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 52.703182][ T4730] x11: 0000000000000000 x10: 0000000000000000 x9 : 08fbbe45412f7f00 [ 52.704596][ T4730] x8 : 08fbbe45412f7f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.705904][ T4730] x5 : ffff80001fc36d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 52.707422][ T4730] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.708901][ T4730] Call trace: [ 52.709428][ T4730] btrfs_replace_file_extents+0xcc4/0x1238 [ 52.710442][ T4730] btrfs_clone+0xb7c/0x1d14 [ 52.711223][ T4730] btrfs_clone_files+0x278/0x320 [ 52.712151][ T4730] btrfs_remap_file_range+0x488/0xb9c [ 52.713096][ T4730] vfs_copy_file_range+0xab0/0x10fc [ 52.713970][ T4730] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.714987][ T4730] invoke_syscall+0x98/0x2b0 [ 52.715792][ T4730] el0_svc_common+0x138/0x258 [ 52.716582][ T4730] do_el0_svc+0x58/0x13c [ 52.717348][ T4730] el0_svc+0x78/0x1d0 [ 52.718050][ T4730] el0t_64_sync_handler+0xcc/0xe4 [ 52.718938][ T4730] el0t_64_sync+0x1a0/0x1a4 [ 52.719757][ T4730] irq event stamp: 80622 [ 52.720487][ T4730] hardirqs last enabled at (80621): [] __up_console_sem+0xb4/0xfc [ 52.722192][ T4730] hardirqs last disabled at (80622): [] el1_dbg+0x24/0x80 [ 52.723767][ T4730] softirqs last enabled at (80606): [] handle_softirqs+0xa40/0xbe4 [ 52.725635][ T4730] softirqs last disabled at (80591): [] __irq_exit_rcu+0x240/0x43c [ 52.727421][ T4730] ---[ end trace 4114951c4a670552 ]--- [ 52.729187][ T4730] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.730858][ T4730] BTRFS info (device loop0): forced readonly [ 52.922059][ T4752] loop0: detected capacity change from 0 to 32768 [ 52.925881][ T4752] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4752) [ 52.930562][ T4752] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.932200][ T4752] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.933833][ T4752] BTRFS info (device loop0): turning on flush-on-commit [ 52.935434][ T4752] BTRFS info (device loop0): disabling tree log [ 52.936406][ T4752] BTRFS info (device loop0): enabling auto defrag [ 52.937634][ T4752] BTRFS info (device loop0): using free space tree [ 52.938647][ T4752] BTRFS info (device loop0): has skinny extents [ 52.952620][ T4752] BTRFS info (device loop0): enabling ssd optimizations [ 52.959448][ T4752] FAULT_INJECTION: forcing a failure. [ 52.959448][ T4752] name failslab, interval 1, probability 0, space 0, times 0 [ 52.961803][ T4752] CPU: 0 PID: 4752 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.963429][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.965193][ T4752] Call trace: [ 52.965765][ T4752] dump_backtrace+0x0/0x458 [ 52.966550][ T4752] show_stack+0x2c/0x3c [ 52.967261][ T4752] __dump_stack+0x30/0x40 [ 52.968002][ T4752] dump_stack_lvl+0xf4/0x15c [ 52.968815][ T4752] dump_stack+0x1c/0x5c [ 52.969479][ T4752] should_fail+0x3bc/0x514 [ 52.970188][ T4752] __should_failslab+0xbc/0x10c [ 52.970998][ T4752] should_failslab+0x10/0x28 [ 52.971805][ T4752] slab_pre_alloc_hook+0x64/0xe8 [ 52.972634][ T4752] kmem_cache_alloc+0x94/0x3d4 [ 52.973464][ T4752] btrfs_add_delayed_data_ref+0x160/0xd08 [ 52.974513][ T4752] btrfs_inc_extent_ref+0x100/0x198 [ 52.975382][ T4752] btrfs_insert_replace_extent+0x6a0/0x9cc [ 52.976400][ T4752] btrfs_replace_file_extents+0x89c/0x1238 [ 52.977398][ T4752] btrfs_clone+0xb7c/0x1d14 [ 52.978168][ T4752] btrfs_clone_files+0x278/0x320 [ 52.979063][ T4752] btrfs_remap_file_range+0x488/0xb9c [ 52.980002][ T4752] vfs_copy_file_range+0xab0/0x10fc [ 52.980848][ T4752] __arm64_sys_copy_file_range+0x540/0x8d4 [ 52.981902][ T4752] invoke_syscall+0x98/0x2b0 [ 52.982696][ T4752] el0_svc_common+0x138/0x258 [ 52.983484][ T4752] do_el0_svc+0x58/0x13c [ 52.984196][ T4752] el0_svc+0x78/0x1d0 [ 52.984814][ T4752] el0t_64_sync_handler+0xcc/0xe4 [ 52.985661][ T4752] el0t_64_sync+0x1a0/0x1a4 [ 52.988702][ T4752] ------------[ cut here ]------------ [ 52.989698][ T4752] WARNING: CPU: 0 PID: 4752 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 52.991420][ T4752] Modules linked in: [ 52.992078][ T4752] CPU: 0 PID: 4752 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.993711][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.995528][ T4752] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.997034][ T4752] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.998047][ T4752] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 52.999077][ T4752] sp : ffff80001f7a7440 [ 52.999760][ T4752] x29: ffff80001f7a7560 x28: dfff800000000000 x27: 0000000000000000 [ 53.001200][ T4752] x26: ffff0000c12e9400 x25: ffff80001f7a7890 x24: ffff0000e246f5c0 [ 53.002615][ T4752] x23: ffff700003ef4e98 x22: 00000000fffffff4 x21: 1fffe0001bd44d81 [ 53.003955][ T4752] x20: ffff0000dea26bb0 x19: ffff0000dea26c08 x18: 0000000000000001 [ 53.005347][ T4752] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 53.006784][ T4752] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 53.008191][ T4752] x11: 0000000000000000 x10: 0000000000000000 x9 : 8bb7426e8d0d8c00 [ 53.009545][ T4752] x8 : 8bb7426e8d0d8c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.010912][ T4752] x5 : ffff80001f7a6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.012364][ T4752] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.013804][ T4752] Call trace: [ 53.014327][ T4752] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.015317][ T4752] btrfs_clone+0xb7c/0x1d14 [ 53.016092][ T4752] btrfs_clone_files+0x278/0x320 [ 53.016986][ T4752] btrfs_remap_file_range+0x488/0xb9c [ 53.017967][ T4752] vfs_copy_file_range+0xab0/0x10fc [ 53.018854][ T4752] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.019837][ T4752] invoke_syscall+0x98/0x2b0 [ 53.020645][ T4752] el0_svc_common+0x138/0x258 [ 53.021496][ T4752] do_el0_svc+0x58/0x13c [ 53.022321][ T4752] el0_svc+0x78/0x1d0 [ 53.022987][ T4752] el0t_64_sync_handler+0xcc/0xe4 [ 53.023808][ T4752] el0t_64_sync+0x1a0/0x1a4 [ 53.024667][ T4752] irq event stamp: 81220 [ 53.025420][ T4752] hardirqs last enabled at (81219): [] __up_console_sem+0xb4/0xfc [ 53.027034][ T4752] hardirqs last disabled at (81220): [] el1_dbg+0x24/0x80 [ 53.028481][ T4752] softirqs last enabled at (81200): [] handle_softirqs+0xa40/0xbe4 [ 53.030099][ T4752] softirqs last disabled at (81181): [] __irq_exit_rcu+0x240/0x43c [ 53.031697][ T4752] ---[ end trace 4114951c4a670553 ]--- [ 53.033542][ T4752] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.035293][ T4752] BTRFS info (device loop0): forced readonly [ 53.250551][ T4786] loop0: detected capacity change from 0 to 32768 [ 53.255165][ T4786] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4786) [ 53.259830][ T4786] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.261300][ T4786] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.262721][ T4786] BTRFS info (device loop0): turning on flush-on-commit [ 53.265246][ T4786] BTRFS info (device loop0): disabling tree log [ 53.266232][ T4786] BTRFS info (device loop0): enabling auto defrag [ 53.267348][ T4786] BTRFS info (device loop0): using free space tree [ 53.268454][ T4786] BTRFS info (device loop0): has skinny extents [ 53.277698][ T4786] BTRFS info (device loop0): enabling ssd optimizations [ 53.283765][ T4786] FAULT_INJECTION: forcing a failure. [ 53.283765][ T4786] name failslab, interval 1, probability 0, space 0, times 0 [ 53.287407][ T4786] CPU: 0 PID: 4786 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.288926][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.290649][ T4786] Call trace: [ 53.291265][ T4786] dump_backtrace+0x0/0x458 [ 53.292021][ T4786] show_stack+0x2c/0x3c [ 53.292744][ T4786] __dump_stack+0x30/0x40 [ 53.293523][ T4786] dump_stack_lvl+0xf4/0x15c [ 53.294280][ T4786] dump_stack+0x1c/0x5c [ 53.295011][ T4786] should_fail+0x3bc/0x514 [ 53.295753][ T4786] __should_failslab+0xbc/0x10c [ 53.296669][ T4786] should_failslab+0x10/0x28 [ 53.297456][ T4786] slab_pre_alloc_hook+0x64/0xe8 [ 53.298337][ T4786] kmem_cache_alloc+0x94/0x3d4 [ 53.299170][ T4786] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 53.300147][ T4786] btrfs_inc_extent_ref+0x100/0x198 [ 53.301058][ T4786] btrfs_insert_replace_extent+0x6a0/0x9cc [ 53.302102][ T4786] btrfs_replace_file_extents+0x89c/0x1238 [ 53.303134][ T4786] btrfs_clone+0xb7c/0x1d14 [ 53.303925][ T4786] btrfs_clone_files+0x278/0x320 [ 53.304765][ T4786] btrfs_remap_file_range+0x488/0xb9c [ 53.305698][ T4786] vfs_copy_file_range+0xab0/0x10fc [ 53.306599][ T4786] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.307598][ T4786] invoke_syscall+0x98/0x2b0 [ 53.308417][ T4786] el0_svc_common+0x138/0x258 [ 53.309230][ T4786] do_el0_svc+0x58/0x13c [ 53.309947][ T4786] el0_svc+0x78/0x1d0 [ 53.310658][ T4786] el0t_64_sync_handler+0xcc/0xe4 [ 53.311521][ T4786] el0t_64_sync+0x1a0/0x1a4 [ 53.314921][ T4786] ------------[ cut here ]------------ [ 53.316159][ T4786] WARNING: CPU: 0 PID: 4786 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 53.317899][ T4786] Modules linked in: [ 53.318542][ T4786] CPU: 0 PID: 4786 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.320167][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.321843][ T4786] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.323255][ T4786] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.324294][ T4786] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.325337][ T4786] sp : ffff80001fb87440 [ 53.326029][ T4786] x29: ffff80001fb87560 x28: dfff800000000000 x27: 0000000000000000 [ 53.327410][ T4786] x26: ffff0000cd543200 x25: ffff80001fb87890 x24: ffff0000dea793a0 [ 53.328841][ T4786] x23: ffff700003f70e98 x22: 00000000fffffff4 x21: 1fffe0001bd44dd9 [ 53.330223][ T4786] x20: ffff0000dea26e70 x19: ffff0000dea26ec8 x18: 0000000000000001 [ 53.331693][ T4786] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 53.333067][ T4786] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 53.334474][ T4786] x11: 0000000000000000 x10: 0000000000000000 x9 : 464c16579f037c00 [ 53.335806][ T4786] x8 : 464c16579f037c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.337129][ T4786] x5 : ffff80001fb86d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.338460][ T4786] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.339853][ T4786] Call trace: [ 53.340411][ T4786] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.341416][ T4786] btrfs_clone+0xb7c/0x1d14 [ 53.342180][ T4786] btrfs_clone_files+0x278/0x320 [ 53.343001][ T4786] btrfs_remap_file_range+0x488/0xb9c [ 53.343923][ T4786] vfs_copy_file_range+0xab0/0x10fc [ 53.344850][ T4786] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.345811][ T4786] invoke_syscall+0x98/0x2b0 [ 53.346586][ T4786] el0_svc_common+0x138/0x258 [ 53.347409][ T4786] do_el0_svc+0x58/0x13c [ 53.348169][ T4786] el0_svc+0x78/0x1d0 [ 53.348856][ T4786] el0t_64_sync_handler+0xcc/0xe4 [ 53.349724][ T4786] el0t_64_sync+0x1a0/0x1a4 [ 53.350549][ T4786] irq event stamp: 81042 [ 53.351260][ T4786] hardirqs last enabled at (81041): [] __up_console_sem+0xb4/0xfc [ 53.352951][ T4786] hardirqs last disabled at (81042): [] el1_dbg+0x24/0x80 [ 53.354476][ T4786] softirqs last enabled at (81012): [] handle_softirqs+0xa40/0xbe4 [ 53.356108][ T4786] softirqs last disabled at (80985): [] __irq_exit_rcu+0x240/0x43c [ 53.357741][ T4786] ---[ end trace 4114951c4a670554 ]--- [ 53.361439][ T4786] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.363300][ T4786] BTRFS info (device loop0): forced readonly [ 53.544416][ T4776] Bluetooth: hci0: command 0x041b tx timeout [ 53.575506][ T4807] loop0: detected capacity change from 0 to 32768 [ 53.580313][ T4807] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4807) [ 53.585881][ T4807] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.587475][ T4807] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.588913][ T4807] BTRFS info (device loop0): turning on flush-on-commit [ 53.590192][ T4807] BTRFS info (device loop0): disabling tree log [ 53.591369][ T4807] BTRFS info (device loop0): enabling auto defrag [ 53.592564][ T4807] BTRFS info (device loop0): using free space tree [ 53.593820][ T4807] BTRFS info (device loop0): has skinny extents [ 53.602929][ T4807] BTRFS info (device loop0): enabling ssd optimizations [ 53.609127][ T4807] FAULT_INJECTION: forcing a failure. [ 53.609127][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 53.611470][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.613002][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.614645][ T4807] Call trace: [ 53.615254][ T4807] dump_backtrace+0x0/0x458 [ 53.616084][ T4807] show_stack+0x2c/0x3c [ 53.616847][ T4807] __dump_stack+0x30/0x40 [ 53.617625][ T4807] dump_stack_lvl+0xf4/0x15c [ 53.618528][ T4807] dump_stack+0x1c/0x5c [ 53.619191][ T4807] should_fail+0x3bc/0x514 [ 53.619936][ T4807] __should_failslab+0xbc/0x10c [ 53.620690][ T4807] should_failslab+0x10/0x28 [ 53.621485][ T4807] slab_pre_alloc_hook+0x64/0xe8 [ 53.622316][ T4807] kmem_cache_alloc+0x94/0x3d4 [ 53.623190][ T4807] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 53.624130][ T4807] btrfs_inc_extent_ref+0x100/0x198 [ 53.624997][ T4807] btrfs_insert_replace_extent+0x6a0/0x9cc [ 53.625901][ T4807] btrfs_replace_file_extents+0x89c/0x1238 [ 53.626874][ T4807] btrfs_clone+0xb7c/0x1d14 [ 53.627607][ T4807] btrfs_clone_files+0x278/0x320 [ 53.628410][ T4807] btrfs_remap_file_range+0x488/0xb9c [ 53.629401][ T4807] vfs_copy_file_range+0xab0/0x10fc [ 53.630296][ T4807] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.631301][ T4807] invoke_syscall+0x98/0x2b0 [ 53.632072][ T4807] el0_svc_common+0x138/0x258 [ 53.632896][ T4807] do_el0_svc+0x58/0x13c [ 53.633587][ T4807] el0_svc+0x78/0x1d0 [ 53.634229][ T4807] el0t_64_sync_handler+0xcc/0xe4 [ 53.635095][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 53.640745][ T4807] ------------[ cut here ]------------ [ 53.641778][ T4807] WARNING: CPU: 0 PID: 4807 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 53.643526][ T4807] Modules linked in: [ 53.644178][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.645824][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.647586][ T4807] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.648978][ T4807] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.650014][ T4807] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.651136][ T4807] sp : ffff80001ffb7440 [ 53.651939][ T4807] x29: ffff80001ffb7560 x28: dfff800000000000 x27: 0000000000000000 [ 53.653334][ T4807] x26: ffff0000c9edc700 x25: ffff80001ffb7890 x24: ffff0000dea7b110 [ 53.654666][ T4807] x23: ffff700003ff6e98 x22: 00000000fffffff4 x21: 1fffe0001ba4be37 [ 53.656127][ T4807] x20: ffff0000dd25f160 x19: ffff0000dd25f1b8 x18: 0000000000000001 [ 53.657585][ T4807] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 53.658983][ T4807] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 53.660439][ T4807] x11: 0000000000000000 x10: 0000000000000000 x9 : d6154bf346470e00 [ 53.661832][ T4807] x8 : d6154bf346470e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.663159][ T4807] x5 : ffff80001ffb6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.664556][ T4807] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.665954][ T4807] Call trace: [ 53.666528][ T4807] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.667531][ T4807] btrfs_clone+0xb7c/0x1d14 [ 53.668311][ T4807] btrfs_clone_files+0x278/0x320 [ 53.669125][ T4807] btrfs_remap_file_range+0x488/0xb9c [ 53.670050][ T4807] vfs_copy_file_range+0xab0/0x10fc [ 53.670989][ T4807] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.671988][ T4807] invoke_syscall+0x98/0x2b0 [ 53.672827][ T4807] el0_svc_common+0x138/0x258 [ 53.673676][ T4807] do_el0_svc+0x58/0x13c [ 53.674422][ T4807] el0_svc+0x78/0x1d0 [ 53.675122][ T4807] el0t_64_sync_handler+0xcc/0xe4 [ 53.675979][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 53.676697][ T4807] irq event stamp: 80816 [ 53.677380][ T4807] hardirqs last enabled at (80815): [] __up_console_sem+0xb4/0xfc [ 53.678990][ T4807] hardirqs last disabled at (80816): [] el1_dbg+0x24/0x80 [ 53.680552][ T4807] softirqs last enabled at (80792): [] handle_softirqs+0xa40/0xbe4 [ 53.682126][ T4807] softirqs last disabled at (80767): [] __irq_exit_rcu+0x240/0x43c [ 53.683855][ T4807] ---[ end trace 4114951c4a670555 ]--- [ 53.685375][ T4807] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.687154][ T4807] BTRFS info (device loop0): forced readonly [ 53.873532][ T4828] loop0: detected capacity change from 0 to 32768 [ 53.876342][ T4828] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4828) [ 53.880733][ T4828] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.882461][ T4828] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.883913][ T4828] BTRFS info (device loop0): turning on flush-on-commit [ 53.885614][ T4828] BTRFS info (device loop0): disabling tree log [ 53.886770][ T4828] BTRFS info (device loop0): enabling auto defrag [ 53.887970][ T4828] BTRFS info (device loop0): using free space tree [ 53.889195][ T4828] BTRFS info (device loop0): has skinny extents [ 53.897243][ T4828] BTRFS info (device loop0): enabling ssd optimizations [ 53.903547][ T4828] FAULT_INJECTION: forcing a failure. [ 53.903547][ T4828] name failslab, interval 1, probability 0, space 0, times 0 [ 53.906339][ T4828] CPU: 1 PID: 4828 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.907680][ T4828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.909307][ T4828] Call trace: [ 53.909869][ T4828] dump_backtrace+0x0/0x458 [ 53.910645][ T4828] show_stack+0x2c/0x3c [ 53.911419][ T4828] __dump_stack+0x30/0x40 [ 53.912176][ T4828] dump_stack_lvl+0xf4/0x15c [ 53.912960][ T4828] dump_stack+0x1c/0x5c [ 53.913704][ T4828] should_fail+0x3bc/0x514 [ 53.914463][ T4828] __should_failslab+0xbc/0x10c [ 53.915377][ T4828] should_failslab+0x10/0x28 [ 53.916181][ T4828] slab_pre_alloc_hook+0x64/0xe8 [ 53.917081][ T4828] kmem_cache_alloc+0x94/0x3d4 [ 53.917923][ T4828] btrfs_add_delayed_data_ref+0x160/0xd08 [ 53.918939][ T4828] btrfs_inc_extent_ref+0x100/0x198 [ 53.919813][ T4828] btrfs_insert_replace_extent+0x6a0/0x9cc [ 53.920742][ T4828] btrfs_replace_file_extents+0x89c/0x1238 [ 53.921769][ T4828] btrfs_clone+0xb7c/0x1d14 [ 53.922512][ T4828] btrfs_clone_files+0x278/0x320 [ 53.923387][ T4828] btrfs_remap_file_range+0x488/0xb9c [ 53.924354][ T4828] vfs_copy_file_range+0xab0/0x10fc [ 53.925266][ T4828] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.926264][ T4828] invoke_syscall+0x98/0x2b0 [ 53.927083][ T4828] el0_svc_common+0x138/0x258 [ 53.927884][ T4828] do_el0_svc+0x58/0x13c [ 53.928598][ T4828] el0_svc+0x78/0x1d0 [ 53.929299][ T4828] el0t_64_sync_handler+0xcc/0xe4 [ 53.930137][ T4828] el0t_64_sync+0x1a0/0x1a4 [ 53.932445][ T4828] ------------[ cut here ]------------ [ 53.933452][ T4828] WARNING: CPU: 1 PID: 4828 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 53.935269][ T4828] Modules linked in: [ 53.936000][ T4828] CPU: 1 PID: 4828 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.937626][ T4828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.939408][ T4828] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.940800][ T4828] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.941972][ T4828] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 53.943097][ T4828] sp : ffff80001ffd7440 [ 53.943792][ T4828] x29: ffff80001ffd7560 x28: dfff800000000000 x27: 0000000000000000 [ 53.945242][ T4828] x26: ffff0000c8d6ac00 x25: ffff80001ffd7890 x24: ffff0000deb5b110 [ 53.946766][ T4828] x23: ffff700003ffae98 x22: 00000000fffffff4 x21: 1fffe0001bd33621 [ 53.948244][ T4828] x20: ffff0000de99b0b0 x19: ffff0000de99b108 x18: 0000000000000001 [ 53.949705][ T4828] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 53.951134][ T4828] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 53.952546][ T4828] x11: 0000000000000000 x10: 0000000000000000 x9 : 316eb52c823b1f00 [ 53.953942][ T4828] x8 : 316eb52c823b1f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.955374][ T4828] x5 : ffff80001ffd6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.956834][ T4828] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.958211][ T4828] Call trace: [ 53.958780][ T4828] btrfs_replace_file_extents+0xcc4/0x1238 [ 53.959815][ T4828] btrfs_clone+0xb7c/0x1d14 [ 53.960630][ T4828] btrfs_clone_files+0x278/0x320 [ 53.961527][ T4828] btrfs_remap_file_range+0x488/0xb9c [ 53.962480][ T4828] vfs_copy_file_range+0xab0/0x10fc [ 53.963362][ T4828] __arm64_sys_copy_file_range+0x540/0x8d4 [ 53.964387][ T4828] invoke_syscall+0x98/0x2b0 [ 53.965223][ T4828] el0_svc_common+0x138/0x258 [ 53.966098][ T4828] do_el0_svc+0x58/0x13c [ 53.966862][ T4828] el0_svc+0x78/0x1d0 [ 53.967595][ T4828] el0t_64_sync_handler+0xcc/0xe4 [ 53.968458][ T4828] el0t_64_sync+0x1a0/0x1a4 [ 53.969300][ T4828] irq event stamp: 80588 [ 53.970052][ T4828] hardirqs last enabled at (80587): [] __up_console_sem+0xb4/0xfc [ 53.971690][ T4828] hardirqs last disabled at (80588): [] el1_dbg+0x24/0x80 [ 53.973188][ T4828] softirqs last enabled at (80568): [] handle_softirqs+0xa40/0xbe4 [ 53.974904][ T4828] softirqs last disabled at (80551): [] __irq_exit_rcu+0x240/0x43c [ 53.976454][ T4828] ---[ end trace 4114951c4a670556 ]--- [ 53.979144][ T4828] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.980974][ T4828] BTRFS info (device loop0): forced readonly [ 54.187008][ T4849] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4849) [ 54.190927][ T4849] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.192592][ T4849] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.194454][ T4849] BTRFS info (device loop0): turning on flush-on-commit [ 54.195740][ T4849] BTRFS info (device loop0): disabling tree log [ 54.196903][ T4849] BTRFS info (device loop0): enabling auto defrag [ 54.198105][ T4849] BTRFS info (device loop0): using free space tree [ 54.199243][ T4849] BTRFS info (device loop0): has skinny extents [ 54.210918][ T4849] BTRFS info (device loop0): enabling ssd optimizations [ 54.218938][ T4849] FAULT_INJECTION: forcing a failure. [ 54.218938][ T4849] name failslab, interval 1, probability 0, space 0, times 0 [ 54.221257][ T4849] CPU: 1 PID: 4849 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.222820][ T4849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.224564][ T4849] Call trace: [ 54.225101][ T4849] dump_backtrace+0x0/0x458 [ 54.225873][ T4849] show_stack+0x2c/0x3c [ 54.226570][ T4849] __dump_stack+0x30/0x40 [ 54.227286][ T4849] dump_stack_lvl+0xf4/0x15c [ 54.228058][ T4849] dump_stack+0x1c/0x5c [ 54.228755][ T4849] should_fail+0x3bc/0x514 [ 54.229464][ T4849] __should_failslab+0xbc/0x10c [ 54.230327][ T4849] should_failslab+0x10/0x28 [ 54.231115][ T4849] slab_pre_alloc_hook+0x64/0xe8 [ 54.231992][ T4849] kmem_cache_alloc+0x94/0x3d4 [ 54.232794][ T4849] alloc_extent_map+0x28/0x128 [ 54.233563][ T4849] btrfs_drop_extent_cache+0x164/0xd90 [ 54.234493][ T4849] btrfs_drop_extents+0x2e8/0x2254 [ 54.235303][ T4849] btrfs_replace_file_extents+0x338/0x1238 [ 54.236272][ T4849] btrfs_clone+0xb7c/0x1d14 [ 54.237110][ T4849] btrfs_clone_files+0x278/0x320 [ 54.237975][ T4849] btrfs_remap_file_range+0x488/0xb9c [ 54.238906][ T4849] vfs_copy_file_range+0xab0/0x10fc [ 54.239877][ T4849] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.240870][ T4849] invoke_syscall+0x98/0x2b0 [ 54.241670][ T4849] el0_svc_common+0x138/0x258 [ 54.242427][ T4849] do_el0_svc+0x58/0x13c [ 54.243157][ T4849] el0_svc+0x78/0x1d0 [ 54.243867][ T4849] el0t_64_sync_handler+0xcc/0xe4 [ 54.244712][ T4849] el0t_64_sync+0x1a0/0x1a4 [ 54.454632][ T4870] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4870) [ 54.458783][ T4870] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.460412][ T4870] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.461760][ T4870] BTRFS info (device loop0): turning on flush-on-commit [ 54.462967][ T4870] BTRFS info (device loop0): disabling tree log [ 54.464215][ T4870] BTRFS info (device loop0): enabling auto defrag [ 54.465315][ T4870] BTRFS info (device loop0): using free space tree [ 54.477090][ T4870] FAULT_INJECTION: forcing a failure. [ 54.477090][ T4870] name failslab, interval 1, probability 0, space 0, times 0 [ 54.479127][ T4870] CPU: 0 PID: 4870 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.480648][ T4870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.482286][ T4870] Call trace: [ 54.482843][ T4870] dump_backtrace+0x0/0x458 [ 54.483608][ T4870] show_stack+0x2c/0x3c [ 54.484393][ T4870] __dump_stack+0x30/0x40 [ 54.485174][ T4870] dump_stack_lvl+0xf4/0x15c [ 54.485973][ T4870] dump_stack+0x1c/0x5c [ 54.486725][ T4870] should_fail+0x3bc/0x514 [ 54.487496][ T4870] __should_failslab+0xbc/0x10c [ 54.488260][ T4870] should_failslab+0x10/0x28 [ 54.489026][ T4870] slab_pre_alloc_hook+0x64/0xe8 [ 54.489821][ T4870] kmem_cache_alloc+0x94/0x3d4 [ 54.490608][ T4870] alloc_extent_map+0x28/0x128 [ 54.491413][ T4870] btrfs_drop_extent_cache+0x154/0xd90 [ 54.492316][ T4870] btrfs_drop_extents+0x2e8/0x2254 [ 54.493215][ T4870] btrfs_replace_file_extents+0x338/0x1238 [ 54.494188][ T4870] btrfs_clone+0xb7c/0x1d14 [ 54.494915][ T4870] btrfs_clone_files+0x278/0x320 [ 54.495813][ T4870] btrfs_remap_file_range+0x488/0xb9c [ 54.496716][ T4870] vfs_copy_file_range+0xab0/0x10fc [ 54.497553][ T4870] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.498572][ T4870] invoke_syscall+0x98/0x2b0 [ 54.499366][ T4870] el0_svc_common+0x138/0x258 [ 54.500135][ T4870] do_el0_svc+0x58/0x13c [ 54.500820][ T4870] el0_svc+0x78/0x1d0 [ 54.501520][ T4870] el0t_64_sync_handler+0xcc/0xe4 [ 54.502363][ T4870] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:54 executed programs: 12 [ 54.723323][ T4891] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4891) [ 54.752774][ T4891] FAULT_INJECTION: forcing a failure. [ 54.752774][ T4891] name failslab, interval 1, probability 0, space 0, times 0 [ 54.755724][ T4891] CPU: 0 PID: 4891 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.757261][ T4891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.759006][ T4891] Call trace: [ 54.759564][ T4891] dump_backtrace+0x0/0x458 [ 54.760350][ T4891] show_stack+0x2c/0x3c [ 54.761099][ T4891] __dump_stack+0x30/0x40 [ 54.761814][ T4891] dump_stack_lvl+0xf4/0x15c [ 54.762518][ T4891] dump_stack+0x1c/0x5c [ 54.763210][ T4891] should_fail+0x3bc/0x514 [ 54.763989][ T4891] __should_failslab+0xbc/0x10c [ 54.764817][ T4891] should_failslab+0x10/0x28 [ 54.765567][ T4891] slab_pre_alloc_hook+0x64/0xe8 [ 54.766345][ T4891] kmem_cache_alloc+0x94/0x3d4 [ 54.767134][ T4891] btrfs_add_delayed_data_ref+0x160/0xd08 [ 54.768059][ T4891] btrfs_inc_extent_ref+0x100/0x198 [ 54.769011][ T4891] btrfs_insert_replace_extent+0x6a0/0x9cc [ 54.769940][ T4891] btrfs_replace_file_extents+0x89c/0x1238 [ 54.770934][ T4891] btrfs_clone+0xb7c/0x1d14 [ 54.771607][ T4891] btrfs_clone_files+0x278/0x320 [ 54.772353][ T4891] btrfs_remap_file_range+0x488/0xb9c [ 54.773205][ T4891] vfs_copy_file_range+0xab0/0x10fc [ 54.774027][ T4891] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.774981][ T4891] invoke_syscall+0x98/0x2b0 [ 54.775747][ T4891] el0_svc_common+0x138/0x258 [ 54.776483][ T4891] do_el0_svc+0x58/0x13c [ 54.777203][ T4891] el0_svc+0x78/0x1d0 [ 54.777892][ T4891] el0t_64_sync_handler+0xcc/0xe4 [ 54.778717][ T4891] el0t_64_sync+0x1a0/0x1a4 [ 54.781883][ T4891] ------------[ cut here ]------------ [ 54.782974][ T4891] WARNING: CPU: 0 PID: 4891 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 54.784832][ T4891] Modules linked in: [ 54.785547][ T4891] CPU: 0 PID: 4891 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.787177][ T4891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.788893][ T4891] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.790342][ T4891] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 54.791390][ T4891] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 54.792483][ T4891] sp : ffff800020247440 [ 54.793132][ T4891] x29: ffff800020247560 x28: dfff800000000000 x27: 0000000000000000 [ 54.794473][ T4891] x26: ffff0000c11c2500 x25: ffff800020247890 x24: ffff0000deb5ebf0 [ 54.795941][ T4891] x23: ffff700004048e98 x22: 00000000fffffff4 x21: 1fffe0001ba4bed1 [ 54.797251][ T4891] x20: ffff0000dd25f630 x19: ffff0000dd25f688 x18: 0000000000000001 [ 54.798533][ T4891] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 54.799946][ T4891] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 54.801254][ T4891] x11: 0000000000000000 x10: 0000000000000000 x9 : a29245ce611bea00 [ 54.802593][ T4891] x8 : a29245ce611bea00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.803957][ T4891] x5 : ffff800020246d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.805307][ T4891] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.806741][ T4891] Call trace: [ 54.807295][ T4891] btrfs_replace_file_extents+0xcc4/0x1238 [ 54.808276][ T4891] btrfs_clone+0xb7c/0x1d14 [ 54.809038][ T4891] btrfs_clone_files+0x278/0x320 [ 54.809876][ T4891] btrfs_remap_file_range+0x488/0xb9c [ 54.810797][ T4891] vfs_copy_file_range+0xab0/0x10fc [ 54.811732][ T4891] __arm64_sys_copy_file_range+0x540/0x8d4 [ 54.812823][ T4891] invoke_syscall+0x98/0x2b0 [ 54.813627][ T4891] el0_svc_common+0x138/0x258 [ 54.814392][ T4891] do_el0_svc+0x58/0x13c [ 54.815132][ T4891] el0_svc+0x78/0x1d0 [ 54.815856][ T4891] el0t_64_sync_handler+0xcc/0xe4 [ 54.816707][ T4891] el0t_64_sync+0x1a0/0x1a4 [ 54.817509][ T4891] irq event stamp: 80794 [ 54.818261][ T4891] hardirqs last enabled at (80793): [] __up_console_sem+0xb4/0xfc [ 54.820043][ T4891] hardirqs last disabled at (80794): [] el1_dbg+0x24/0x80 [ 54.821530][ T4891] softirqs last enabled at (80774): [] handle_softirqs+0xa40/0xbe4 [ 54.823240][ T4891] softirqs last disabled at (80663): [] __irq_exit_rcu+0x240/0x43c [ 54.824940][ T4891] ---[ end trace 4114951c4a670557 ]--- [ 54.828980][ T4891] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.018366][ T4912] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4912) [ 55.046338][ T4912] FAULT_INJECTION: forcing a failure. [ 55.046338][ T4912] name failslab, interval 1, probability 0, space 0, times 0 [ 55.048511][ T4912] CPU: 1 PID: 4912 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.050132][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.052194][ T4912] Call trace: [ 55.052768][ T4912] dump_backtrace+0x0/0x458 [ 55.053501][ T4912] show_stack+0x2c/0x3c [ 55.054223][ T4912] __dump_stack+0x30/0x40 [ 55.055002][ T4912] dump_stack_lvl+0xf4/0x15c [ 55.055783][ T4912] dump_stack+0x1c/0x5c [ 55.056446][ T4912] should_fail+0x3bc/0x514 [ 55.057211][ T4912] __should_failslab+0xbc/0x10c [ 55.058016][ T4912] should_failslab+0x10/0x28 [ 55.058805][ T4912] slab_pre_alloc_hook+0x64/0xe8 [ 55.059652][ T4912] kmem_cache_alloc+0x94/0x3d4 [ 55.060563][ T4912] alloc_extent_map+0x28/0x128 [ 55.061397][ T4912] btrfs_drop_extent_cache+0x154/0xd90 [ 55.062360][ T4912] btrfs_drop_extents+0x2e8/0x2254 [ 55.063255][ T4912] btrfs_replace_file_extents+0x338/0x1238 [ 55.064240][ T4912] btrfs_clone+0xb7c/0x1d14 [ 55.065080][ T4912] btrfs_clone_files+0x278/0x320 [ 55.065895][ T4912] btrfs_remap_file_range+0x488/0xb9c [ 55.066799][ T4912] vfs_copy_file_range+0xab0/0x10fc [ 55.067734][ T4912] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.068701][ T4912] invoke_syscall+0x98/0x2b0 [ 55.069475][ T4912] el0_svc_common+0x138/0x258 [ 55.070340][ T4912] do_el0_svc+0x58/0x13c [ 55.071081][ T4912] el0_svc+0x78/0x1d0 [ 55.071744][ T4912] el0t_64_sync_handler+0xcc/0xe4 [ 55.072617][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 55.292968][ T4933] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4933) [ 55.310890][ T4933] FAULT_INJECTION: forcing a failure. [ 55.310890][ T4933] name failslab, interval 1, probability 0, space 0, times 0 [ 55.313735][ T4933] CPU: 1 PID: 4933 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.315459][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.317237][ T4933] Call trace: [ 55.317872][ T4933] dump_backtrace+0x0/0x458 [ 55.318660][ T4933] show_stack+0x2c/0x3c [ 55.319346][ T4933] __dump_stack+0x30/0x40 [ 55.320158][ T4933] dump_stack_lvl+0xf4/0x15c [ 55.320965][ T4933] dump_stack+0x1c/0x5c [ 55.321653][ T4933] should_fail+0x3bc/0x514 [ 55.322426][ T4933] __should_failslab+0xbc/0x10c [ 55.323229][ T4933] should_failslab+0x10/0x28 [ 55.324030][ T4933] slab_pre_alloc_hook+0x64/0xe8 [ 55.324938][ T4933] kmem_cache_alloc+0x94/0x3d4 [ 55.325804][ T4933] btrfs_add_delayed_data_ref+0x160/0xd08 [ 55.326779][ T4933] btrfs_inc_extent_ref+0x100/0x198 [ 55.327718][ T4933] btrfs_insert_replace_extent+0x6a0/0x9cc [ 55.328799][ T4933] btrfs_replace_file_extents+0x89c/0x1238 [ 55.329773][ T4933] btrfs_clone+0xb7c/0x1d14 [ 55.330541][ T4933] btrfs_clone_files+0x278/0x320 [ 55.331418][ T4933] btrfs_remap_file_range+0x488/0xb9c [ 55.332317][ T4933] vfs_copy_file_range+0xab0/0x10fc [ 55.333252][ T4933] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.334233][ T4933] invoke_syscall+0x98/0x2b0 [ 55.335059][ T4933] el0_svc_common+0x138/0x258 [ 55.335880][ T4933] do_el0_svc+0x58/0x13c [ 55.336624][ T4933] el0_svc+0x78/0x1d0 [ 55.337328][ T4933] el0t_64_sync_handler+0xcc/0xe4 [ 55.338276][ T4933] el0t_64_sync+0x1a0/0x1a4 [ 55.339532][ T4933] ------------[ cut here ]------------ [ 55.340643][ T4933] WARNING: CPU: 1 PID: 4933 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 55.342297][ T4933] Modules linked in: [ 55.342949][ T4933] CPU: 1 PID: 4933 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.344467][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.346220][ T4933] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.347554][ T4933] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.348656][ T4933] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.349675][ T4933] sp : ffff800020307440 [ 55.350424][ T4933] x29: ffff800020307560 x28: dfff800000000000 x27: 0000000000000000 [ 55.351844][ T4933] x26: ffff0000d049a500 x25: ffff800020307890 x24: ffff0000e2412740 [ 55.353270][ T4933] x23: ffff700004060e98 x22: 00000000fffffff4 x21: 1fffe0001ba4bf6b [ 55.354763][ T4933] x20: ffff0000dd25fb00 x19: ffff0000dd25fb58 x18: 0000000000000001 [ 55.356165][ T4933] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 55.357566][ T4933] x14: 0000000000000001 x13: 1ffff00004060da8 x12: 0000000000ff0100 [ 55.359043][ T4933] x11: 0000000000000000 x10: 0000000000000000 x9 : eddfd8eba2ad2300 [ 55.360469][ T4933] x8 : eddfd8eba2ad2300 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.361990][ T4933] x5 : ffff800020306d58 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 55.363347][ T4933] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.364764][ T4933] Call trace: [ 55.365341][ T4933] btrfs_replace_file_extents+0xcc4/0x1238 [ 55.366353][ T4933] btrfs_clone+0xb7c/0x1d14 [ 55.367152][ T4933] btrfs_clone_files+0x278/0x320 [ 55.368024][ T4933] btrfs_remap_file_range+0x488/0xb9c [ 55.368985][ T4933] vfs_copy_file_range+0xab0/0x10fc [ 55.369888][ T4933] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.370961][ T4933] invoke_syscall+0x98/0x2b0 [ 55.371765][ T4933] el0_svc_common+0x138/0x258 [ 55.372598][ T4933] do_el0_svc+0x58/0x13c [ 55.373297][ T4933] el0_svc+0x78/0x1d0 [ 55.374018][ T4933] el0t_64_sync_handler+0xcc/0xe4 [ 55.374927][ T4933] el0t_64_sync+0x1a0/0x1a4 [ 55.375683][ T4933] irq event stamp: 80202 [ 55.376421][ T4933] hardirqs last enabled at (80201): [] __up_console_sem+0xb4/0xfc [ 55.378123][ T4933] hardirqs last disabled at (80202): [] el1_dbg+0x24/0x80 [ 55.379669][ T4933] softirqs last enabled at (80186): [] handle_softirqs+0xa40/0xbe4 [ 55.381324][ T4933] softirqs last disabled at (80107): [] __irq_exit_rcu+0x240/0x43c [ 55.383000][ T4933] ---[ end trace 4114951c4a670558 ]--- [ 55.384041][ T4933] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.571167][ T4954] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4954) [ 55.588566][ T4954] FAULT_INJECTION: forcing a failure. [ 55.588566][ T4954] name failslab, interval 1, probability 0, space 0, times 0 [ 55.590661][ T4954] CPU: 0 PID: 4954 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.592229][ T4954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.594003][ T4954] Call trace: [ 55.594594][ T4954] dump_backtrace+0x0/0x458 [ 55.595397][ T4954] show_stack+0x2c/0x3c [ 55.596156][ T4954] __dump_stack+0x30/0x40 [ 55.596907][ T4954] dump_stack_lvl+0xf4/0x15c [ 55.597712][ T4954] dump_stack+0x1c/0x5c [ 55.598440][ T4954] should_fail+0x3bc/0x514 [ 55.599236][ T4954] __should_failslab+0xbc/0x10c [ 55.600076][ T4954] should_failslab+0x10/0x28 [ 55.600864][ T4954] slab_pre_alloc_hook+0x64/0xe8 [ 55.601710][ T4954] kmem_cache_alloc+0x94/0x3d4 [ 55.602542][ T4954] btrfs_add_delayed_data_ref+0x160/0xd08 [ 55.603573][ T4954] btrfs_inc_extent_ref+0x100/0x198 [ 55.604524][ T4954] btrfs_insert_replace_extent+0x6a0/0x9cc [ 55.605554][ T4954] btrfs_replace_file_extents+0x89c/0x1238 [ 55.606536][ T4954] btrfs_clone+0xb7c/0x1d14 [ 55.607320][ T4954] btrfs_clone_files+0x278/0x320 [ 55.608168][ T4954] btrfs_remap_file_range+0x488/0xb9c [ 55.609038][ T4954] vfs_copy_file_range+0xab0/0x10fc [ 55.609949][ T4954] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.610866][ T4954] invoke_syscall+0x98/0x2b0 [ 55.611615][ T4954] el0_svc_common+0x138/0x258 [ 55.612334][ T4954] do_el0_svc+0x58/0x13c [ 55.613065][ T4954] el0_svc+0x78/0x1d0 [ 55.613778][ T4954] el0t_64_sync_handler+0xcc/0xe4 [ 55.614631][ T4954] el0t_64_sync+0x1a0/0x1a4 [ 55.617581][ T4954] ------------[ cut here ]------------ [ 55.618572][ T4954] WARNING: CPU: 0 PID: 4954 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 55.620189][ T4954] Modules linked in: [ 55.620815][ T4954] CPU: 0 PID: 4954 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.622380][ T4954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.623989][ T4954] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.625314][ T4954] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.626310][ T4954] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 55.627350][ T4954] sp : ffff800020547440 [ 55.628020][ T4954] x29: ffff800020547560 x28: dfff800000000000 x27: 0000000000000000 [ 55.629335][ T4954] x26: ffff0000d7ed0200 x25: ffff800020547890 x24: ffff0000e24144b0 [ 55.630782][ T4954] x23: ffff7000040a8e98 x22: 00000000fffffff4 x21: 1fffe0001ba4bfc3 [ 55.632131][ T4954] x20: ffff0000dd25fdc0 x19: ffff0000dd25fe18 x18: 0000000000000001 [ 55.633638][ T4954] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 55.635134][ T4954] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 55.636536][ T4954] x11: 0000000000000000 x10: 0000000000000000 x9 : 4d045d3b734e1100 [ 55.637986][ T4954] x8 : 4d045d3b734e1100 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.639374][ T4954] x5 : ffff800020546d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 55.640761][ T4954] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.642162][ T4954] Call trace: [ 55.642737][ T4954] btrfs_replace_file_extents+0xcc4/0x1238 [ 55.643737][ T4954] btrfs_clone+0xb7c/0x1d14 [ 55.644541][ T4954] btrfs_clone_files+0x278/0x320 [ 55.645362][ T4954] btrfs_remap_file_range+0x488/0xb9c [ 55.646256][ T4954] vfs_copy_file_range+0xab0/0x10fc [ 55.647119][ T4954] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.648079][ T4954] invoke_syscall+0x98/0x2b0 [ 55.648867][ T4954] el0_svc_common+0x138/0x258 [ 55.649685][ T4954] do_el0_svc+0x58/0x13c [ 55.650391][ T4954] el0_svc+0x78/0x1d0 [ 55.651065][ T4954] el0t_64_sync_handler+0xcc/0xe4 [ 55.651877][ T4954] el0t_64_sync+0x1a0/0x1a4 [ 55.652643][ T4954] irq event stamp: 80054 [ 55.653377][ T4954] hardirqs last enabled at (80053): [] __up_console_sem+0xb4/0xfc [ 55.654980][ T4954] hardirqs last disabled at (80054): [] el1_dbg+0x24/0x80 [ 55.656540][ T4954] softirqs last enabled at (80034): [] handle_softirqs+0xa40/0xbe4 [ 55.658149][ T4954] softirqs last disabled at (80011): [] __irq_exit_rcu+0x240/0x43c [ 55.659754][ T4954] ---[ end trace 4114951c4a670559 ]--- [ 55.660898][ T4494] Bluetooth: hci0: command 0x040f tx timeout [ 55.661912][ T4954] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.857355][ T4975] set_capacity_and_notify: 6 callbacks suppressed [ 55.857364][ T4975] loop0: detected capacity change from 0 to 32768 [ 55.861191][ T4975] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4975) [ 55.870395][ T4975] btrfs_printk: 37 callbacks suppressed [ 55.870408][ T4975] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.872721][ T4975] BTRFS info (device loop0): setting nodatacow, compression disabled [ 55.874492][ T4975] BTRFS info (device loop0): turning on flush-on-commit [ 55.875588][ T4975] BTRFS info (device loop0): disabling tree log [ 55.876697][ T4975] BTRFS info (device loop0): enabling auto defrag [ 55.877851][ T4975] BTRFS info (device loop0): using free space tree [ 55.878917][ T4975] BTRFS info (device loop0): has skinny extents [ 55.890464][ T4975] BTRFS info (device loop0): enabling ssd optimizations [ 55.897300][ T4975] FAULT_INJECTION: forcing a failure. [ 55.897300][ T4975] name failslab, interval 1, probability 0, space 0, times 0 [ 55.899692][ T4975] CPU: 1 PID: 4975 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.901249][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.903053][ T4975] Call trace: [ 55.903624][ T4975] dump_backtrace+0x0/0x458 [ 55.904466][ T4975] show_stack+0x2c/0x3c [ 55.905212][ T4975] __dump_stack+0x30/0x40 [ 55.905939][ T4975] dump_stack_lvl+0xf4/0x15c [ 55.906712][ T4975] dump_stack+0x1c/0x5c [ 55.907415][ T4975] should_fail+0x3bc/0x514 [ 55.908213][ T4975] __should_failslab+0xbc/0x10c [ 55.909059][ T4975] should_failslab+0x10/0x28 [ 55.909848][ T4975] slab_pre_alloc_hook+0x64/0xe8 [ 55.910671][ T4975] kmem_cache_alloc+0x94/0x3d4 [ 55.911468][ T4975] alloc_extent_map+0x28/0x128 [ 55.912289][ T4975] btrfs_drop_extent_cache+0x154/0xd90 [ 55.913209][ T4975] btrfs_drop_extents+0x2e8/0x2254 [ 55.914080][ T4975] btrfs_replace_file_extents+0x338/0x1238 [ 55.914989][ T4975] btrfs_clone+0xb7c/0x1d14 [ 55.915741][ T4975] btrfs_clone_files+0x278/0x320 [ 55.916600][ T4975] btrfs_remap_file_range+0x488/0xb9c [ 55.917518][ T4975] vfs_copy_file_range+0xab0/0x10fc [ 55.918381][ T4975] __arm64_sys_copy_file_range+0x540/0x8d4 [ 55.919399][ T4975] invoke_syscall+0x98/0x2b0 [ 55.920215][ T4975] el0_svc_common+0x138/0x258 [ 55.921003][ T4975] do_el0_svc+0x58/0x13c [ 55.921724][ T4975] el0_svc+0x78/0x1d0 [ 55.922360][ T4975] el0t_64_sync_handler+0xcc/0xe4 [ 55.923187][ T4975] el0t_64_sync+0x1a0/0x1a4 [ 56.123333][ T4996] loop0: detected capacity change from 0 to 32768 [ 56.126832][ T4996] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4996) [ 56.130559][ T4996] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.132241][ T4996] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.133719][ T4996] BTRFS info (device loop0): turning on flush-on-commit [ 56.135369][ T4996] BTRFS info (device loop0): disabling tree log [ 56.136493][ T4996] BTRFS info (device loop0): enabling auto defrag [ 56.137689][ T4996] BTRFS info (device loop0): using free space tree [ 56.138941][ T4996] BTRFS info (device loop0): has skinny extents [ 56.150406][ T4996] BTRFS info (device loop0): enabling ssd optimizations [ 56.156492][ T4996] FAULT_INJECTION: forcing a failure. [ 56.156492][ T4996] name failslab, interval 1, probability 0, space 0, times 0 [ 56.158841][ T4996] CPU: 0 PID: 4996 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.160443][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.162271][ T4996] Call trace: [ 56.162826][ T4996] dump_backtrace+0x0/0x458 [ 56.163646][ T4996] show_stack+0x2c/0x3c [ 56.164426][ T4996] __dump_stack+0x30/0x40 [ 56.165183][ T4996] dump_stack_lvl+0xf4/0x15c [ 56.165976][ T4996] dump_stack+0x1c/0x5c [ 56.166694][ T4996] should_fail+0x3bc/0x514 [ 56.167428][ T4996] __should_failslab+0xbc/0x10c [ 56.168280][ T4996] should_failslab+0x10/0x28 [ 56.169072][ T4996] slab_pre_alloc_hook+0x64/0xe8 [ 56.169943][ T4996] kmem_cache_alloc+0x94/0x3d4 [ 56.170804][ T4996] alloc_extent_map+0x28/0x128 [ 56.171666][ T4996] btrfs_drop_extent_cache+0x164/0xd90 [ 56.172581][ T4996] btrfs_drop_extents+0x2e8/0x2254 [ 56.173443][ T4996] btrfs_replace_file_extents+0x338/0x1238 [ 56.174478][ T4996] btrfs_clone+0xb7c/0x1d14 [ 56.175241][ T4996] btrfs_clone_files+0x278/0x320 [ 56.176096][ T4996] btrfs_remap_file_range+0x488/0xb9c [ 56.177072][ T4996] vfs_copy_file_range+0xab0/0x10fc [ 56.177991][ T4996] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.178978][ T4996] invoke_syscall+0x98/0x2b0 [ 56.179787][ T4996] el0_svc_common+0x138/0x258 [ 56.180607][ T4996] do_el0_svc+0x58/0x13c [ 56.181344][ T4996] el0_svc+0x78/0x1d0 [ 56.182040][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 56.182938][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 56.376877][ T5017] loop0: detected capacity change from 0 to 32768 [ 56.381653][ T5017] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5017) [ 56.387709][ T5017] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.389481][ T5017] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.391012][ T5017] BTRFS info (device loop0): turning on flush-on-commit [ 56.392315][ T5017] BTRFS info (device loop0): disabling tree log [ 56.393439][ T5017] BTRFS info (device loop0): enabling auto defrag [ 56.394631][ T5017] BTRFS info (device loop0): using free space tree [ 56.395769][ T5017] BTRFS info (device loop0): has skinny extents [ 56.404068][ T5017] BTRFS info (device loop0): enabling ssd optimizations [ 56.410200][ T5017] FAULT_INJECTION: forcing a failure. [ 56.410200][ T5017] name failslab, interval 1, probability 0, space 0, times 0 [ 56.412396][ T5017] CPU: 1 PID: 5017 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.413888][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.415781][ T5017] Call trace: [ 56.416334][ T5017] dump_backtrace+0x0/0x458 [ 56.417165][ T5017] show_stack+0x2c/0x3c [ 56.417927][ T5017] __dump_stack+0x30/0x40 [ 56.418676][ T5017] dump_stack_lvl+0xf4/0x15c [ 56.419475][ T5017] dump_stack+0x1c/0x5c [ 56.420181][ T5017] should_fail+0x3bc/0x514 [ 56.420963][ T5017] __should_failslab+0xbc/0x10c [ 56.421772][ T5017] should_failslab+0x10/0x28 [ 56.422567][ T5017] slab_pre_alloc_hook+0x64/0xe8 [ 56.423437][ T5017] kmem_cache_alloc+0x94/0x3d4 [ 56.424279][ T5017] btrfs_add_delayed_data_ref+0x160/0xd08 [ 56.425205][ T5017] btrfs_inc_extent_ref+0x100/0x198 [ 56.426104][ T5017] btrfs_insert_replace_extent+0x6a0/0x9cc [ 56.427099][ T5017] btrfs_replace_file_extents+0x89c/0x1238 [ 56.428109][ T5017] btrfs_clone+0xb7c/0x1d14 [ 56.428867][ T5017] btrfs_clone_files+0x278/0x320 [ 56.429659][ T5017] btrfs_remap_file_range+0x488/0xb9c [ 56.430562][ T5017] vfs_copy_file_range+0xab0/0x10fc [ 56.431424][ T5017] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.432426][ T5017] invoke_syscall+0x98/0x2b0 [ 56.433187][ T5017] el0_svc_common+0x138/0x258 [ 56.433958][ T5017] do_el0_svc+0x58/0x13c [ 56.434675][ T5017] el0_svc+0x78/0x1d0 [ 56.435367][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 56.436206][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 56.437528][ T5017] ------------[ cut here ]------------ [ 56.438563][ T5017] WARNING: CPU: 1 PID: 5017 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 56.440384][ T5017] Modules linked in: [ 56.441093][ T5017] CPU: 1 PID: 5017 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.442682][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.444396][ T5017] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.445711][ T5017] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.446778][ T5017] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 56.447883][ T5017] sp : ffff800020d17440 [ 56.448638][ T5017] x29: ffff800020d17560 x28: dfff800000000000 x27: 0000000000000000 [ 56.450037][ T5017] x26: ffff0000c88e2200 x25: ffff800020d17890 x24: ffff0000e255ce80 [ 56.451423][ T5017] x23: ffff7000041a2e98 x22: 00000000fffffff4 x21: 1fffe0001bd44c63 [ 56.452807][ T5017] x20: ffff0000dea262c0 x19: ffff0000dea26318 x18: 0000000000000001 [ 56.454184][ T5017] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 56.455596][ T5017] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 56.456937][ T5017] x11: 0000000000000000 x10: 0000000000000000 x9 : e6b52d467f518900 [ 56.458322][ T5017] x8 : e6b52d467f518900 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.459691][ T5017] x5 : ffff800020d16d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 56.461064][ T5017] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.462441][ T5017] Call trace: [ 56.463001][ T5017] btrfs_replace_file_extents+0xcc4/0x1238 [ 56.464000][ T5017] btrfs_clone+0xb7c/0x1d14 [ 56.464762][ T5017] btrfs_clone_files+0x278/0x320 [ 56.465582][ T5017] btrfs_remap_file_range+0x488/0xb9c [ 56.466486][ T5017] vfs_copy_file_range+0xab0/0x10fc [ 56.467397][ T5017] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.468407][ T5017] invoke_syscall+0x98/0x2b0 [ 56.469208][ T5017] el0_svc_common+0x138/0x258 [ 56.469982][ T5017] do_el0_svc+0x58/0x13c [ 56.470702][ T5017] el0_svc+0x78/0x1d0 [ 56.471336][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 56.472130][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 56.472881][ T5017] irq event stamp: 80686 [ 56.473579][ T5017] hardirqs last enabled at (80685): [] __up_console_sem+0xb4/0xfc [ 56.475131][ T5017] hardirqs last disabled at (80686): [] el1_dbg+0x24/0x80 [ 56.476565][ T5017] softirqs last enabled at (80666): [] handle_softirqs+0xa40/0xbe4 [ 56.478257][ T5017] softirqs last disabled at (80525): [] __irq_exit_rcu+0x240/0x43c [ 56.479932][ T5017] ---[ end trace 4114951c4a67055a ]--- [ 56.481260][ T5017] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.482897][ T5017] BTRFS info (device loop0): forced readonly [ 56.667100][ T5038] loop0: detected capacity change from 0 to 32768 [ 56.669786][ T5038] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5038) [ 56.674587][ T5038] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.676119][ T5038] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.677555][ T5038] BTRFS info (device loop0): turning on flush-on-commit [ 56.678700][ T5038] BTRFS info (device loop0): disabling tree log [ 56.679769][ T5038] BTRFS info (device loop0): enabling auto defrag [ 56.680870][ T5038] BTRFS info (device loop0): using free space tree [ 56.681979][ T5038] BTRFS info (device loop0): has skinny extents [ 56.690253][ T5038] BTRFS info (device loop0): enabling ssd optimizations [ 56.695698][ T5038] FAULT_INJECTION: forcing a failure. [ 56.695698][ T5038] name failslab, interval 1, probability 0, space 0, times 0 [ 56.697845][ T5038] CPU: 1 PID: 5038 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.699442][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.701089][ T5038] Call trace: [ 56.701602][ T5038] dump_backtrace+0x0/0x458 [ 56.702334][ T5038] show_stack+0x2c/0x3c [ 56.703022][ T5038] __dump_stack+0x30/0x40 [ 56.703792][ T5038] dump_stack_lvl+0xf4/0x15c [ 56.704629][ T5038] dump_stack+0x1c/0x5c [ 56.705334][ T5038] should_fail+0x3bc/0x514 [ 56.706107][ T5038] __should_failslab+0xbc/0x10c [ 56.706961][ T5038] should_failslab+0x10/0x28 [ 56.707702][ T5038] slab_pre_alloc_hook+0x64/0xe8 [ 56.708561][ T5038] kmem_cache_alloc+0x94/0x3d4 [ 56.709441][ T5038] alloc_extent_map+0x28/0x128 [ 56.710270][ T5038] btrfs_drop_extent_cache+0x164/0xd90 [ 56.711203][ T5038] btrfs_drop_extents+0x2e8/0x2254 [ 56.712094][ T5038] btrfs_replace_file_extents+0x338/0x1238 [ 56.713104][ T5038] btrfs_clone+0xb7c/0x1d14 [ 56.713880][ T5038] btrfs_clone_files+0x278/0x320 [ 56.714798][ T5038] btrfs_remap_file_range+0x488/0xb9c [ 56.715688][ T5038] vfs_copy_file_range+0xab0/0x10fc [ 56.716555][ T5038] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.717603][ T5038] invoke_syscall+0x98/0x2b0 [ 56.718414][ T5038] el0_svc_common+0x138/0x258 [ 56.719249][ T5038] do_el0_svc+0x58/0x13c [ 56.720080][ T5038] el0_svc+0x78/0x1d0 [ 56.720797][ T5038] el0t_64_sync_handler+0xcc/0xe4 [ 56.721714][ T5038] el0t_64_sync+0x1a0/0x1a4 [ 56.914180][ T5059] loop0: detected capacity change from 0 to 32768 [ 56.916902][ T5059] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5059) [ 56.921110][ T5059] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.922732][ T5059] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.924318][ T5059] BTRFS info (device loop0): turning on flush-on-commit [ 56.925648][ T5059] BTRFS info (device loop0): disabling tree log [ 56.926853][ T5059] BTRFS info (device loop0): enabling auto defrag [ 56.928065][ T5059] BTRFS info (device loop0): using free space tree [ 56.929232][ T5059] BTRFS info (device loop0): has skinny extents [ 56.938213][ T5059] BTRFS info (device loop0): enabling ssd optimizations [ 56.944484][ T5059] FAULT_INJECTION: forcing a failure. [ 56.944484][ T5059] name failslab, interval 1, probability 0, space 0, times 0 [ 56.946695][ T5059] CPU: 1 PID: 5059 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.948300][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.950039][ T5059] Call trace: [ 56.950627][ T5059] dump_backtrace+0x0/0x458 [ 56.951477][ T5059] show_stack+0x2c/0x3c [ 56.952134][ T5059] __dump_stack+0x30/0x40 [ 56.952842][ T5059] dump_stack_lvl+0xf4/0x15c [ 56.953642][ T5059] dump_stack+0x1c/0x5c [ 56.954419][ T5059] should_fail+0x3bc/0x514 [ 56.955206][ T5059] __should_failslab+0xbc/0x10c [ 56.956044][ T5059] should_failslab+0x10/0x28 [ 56.956865][ T5059] slab_pre_alloc_hook+0x64/0xe8 [ 56.957729][ T5059] kmem_cache_alloc+0x94/0x3d4 [ 56.958534][ T5059] alloc_extent_map+0x28/0x128 [ 56.959389][ T5059] btrfs_drop_extent_cache+0x164/0xd90 [ 56.960347][ T5059] btrfs_drop_extents+0x2e8/0x2254 [ 56.961273][ T5059] btrfs_replace_file_extents+0x338/0x1238 [ 56.962312][ T5059] btrfs_clone+0xb7c/0x1d14 [ 56.963108][ T5059] btrfs_clone_files+0x278/0x320 [ 56.963963][ T5059] btrfs_remap_file_range+0x488/0xb9c [ 56.964948][ T5059] vfs_copy_file_range+0xab0/0x10fc [ 56.965900][ T5059] __arm64_sys_copy_file_range+0x540/0x8d4 [ 56.966898][ T5059] invoke_syscall+0x98/0x2b0 [ 56.967661][ T5059] el0_svc_common+0x138/0x258 [ 56.968461][ T5059] do_el0_svc+0x58/0x13c [ 56.969192][ T5059] el0_svc+0x78/0x1d0 [ 56.969878][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 56.970766][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 57.184142][ T5080] loop0: detected capacity change from 0 to 32768 [ 57.187223][ T5080] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5080) [ 57.192401][ T5080] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.194249][ T5080] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.195604][ T5080] BTRFS info (device loop0): turning on flush-on-commit [ 57.196785][ T5080] BTRFS info (device loop0): disabling tree log [ 57.197883][ T5080] BTRFS info (device loop0): enabling auto defrag [ 57.199014][ T5080] BTRFS info (device loop0): using free space tree [ 57.200300][ T5080] BTRFS info (device loop0): has skinny extents [ 57.213783][ T5080] BTRFS info (device loop0): enabling ssd optimizations [ 57.219882][ T5080] FAULT_INJECTION: forcing a failure. [ 57.219882][ T5080] name failslab, interval 1, probability 0, space 0, times 0 [ 57.222070][ T5080] CPU: 0 PID: 5080 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.223573][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.225259][ T5080] Call trace: [ 57.225842][ T5080] dump_backtrace+0x0/0x458 [ 57.226658][ T5080] show_stack+0x2c/0x3c [ 57.227371][ T5080] __dump_stack+0x30/0x40 [ 57.228090][ T5080] dump_stack_lvl+0xf4/0x15c [ 57.228871][ T5080] dump_stack+0x1c/0x5c [ 57.229590][ T5080] should_fail+0x3bc/0x514 [ 57.230296][ T5080] __should_failslab+0xbc/0x10c [ 57.231170][ T5080] should_failslab+0x10/0x28 [ 57.231993][ T5080] slab_pre_alloc_hook+0x64/0xe8 [ 57.232931][ T5080] kmem_cache_alloc+0x94/0x3d4 [ 57.233756][ T5080] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 57.234772][ T5080] btrfs_inc_extent_ref+0x100/0x198 [ 57.235671][ T5080] btrfs_insert_replace_extent+0x6a0/0x9cc [ 57.236625][ T5080] btrfs_replace_file_extents+0x89c/0x1238 [ 57.237632][ T5080] btrfs_clone+0xb7c/0x1d14 [ 57.238433][ T5080] btrfs_clone_files+0x278/0x320 [ 57.239359][ T5080] btrfs_remap_file_range+0x488/0xb9c [ 57.240332][ T5080] vfs_copy_file_range+0xab0/0x10fc [ 57.241243][ T5080] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.242315][ T5080] invoke_syscall+0x98/0x2b0 [ 57.243126][ T5080] el0_svc_common+0x138/0x258 [ 57.243977][ T5080] do_el0_svc+0x58/0x13c [ 57.244750][ T5080] el0_svc+0x78/0x1d0 [ 57.245489][ T5080] el0t_64_sync_handler+0xcc/0xe4 [ 57.246388][ T5080] el0t_64_sync+0x1a0/0x1a4 [ 57.249188][ T5080] ------------[ cut here ]------------ [ 57.250183][ T5080] WARNING: CPU: 0 PID: 5080 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 57.251905][ T5080] Modules linked in: [ 57.252601][ T5080] CPU: 0 PID: 5080 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.254288][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.256037][ T5080] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.257409][ T5080] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.258461][ T5080] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.259570][ T5080] sp : ffff800020cd7440 [ 57.260320][ T5080] x29: ffff800020cd7560 x28: dfff800000000000 x27: 0000000000000000 [ 57.261692][ T5080] x26: ffff0000ceeee200 x25: ffff800020cd7890 x24: ffff0000e24693a0 [ 57.262994][ T5080] x23: ffff70000419ae98 x22: 00000000fffffff4 x21: 1fffe0001bd014fd [ 57.264365][ T5080] x20: ffff0000de80a790 x19: ffff0000de80a7e8 x18: 0000000000000001 [ 57.265778][ T5080] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 57.267173][ T5080] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 57.268569][ T5080] x11: 0000000000000000 x10: 0000000000000000 x9 : dfba20091b70df00 [ 57.270012][ T5080] x8 : dfba20091b70df00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.271401][ T5080] x5 : ffff800020cd6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.272780][ T5080] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.274178][ T5080] Call trace: [ 57.274750][ T5080] btrfs_replace_file_extents+0xcc4/0x1238 [ 57.275755][ T5080] btrfs_clone+0xb7c/0x1d14 [ 57.276514][ T5080] btrfs_clone_files+0x278/0x320 [ 57.277384][ T5080] btrfs_remap_file_range+0x488/0xb9c [ 57.278282][ T5080] vfs_copy_file_range+0xab0/0x10fc [ 57.279199][ T5080] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.280182][ T5080] invoke_syscall+0x98/0x2b0 [ 57.280977][ T5080] el0_svc_common+0x138/0x258 [ 57.281759][ T5080] do_el0_svc+0x58/0x13c [ 57.282503][ T5080] el0_svc+0x78/0x1d0 [ 57.283208][ T5080] el0t_64_sync_handler+0xcc/0xe4 [ 57.284042][ T5080] el0t_64_sync+0x1a0/0x1a4 [ 57.284833][ T5080] irq event stamp: 80900 [ 57.285517][ T5080] hardirqs last enabled at (80899): [] __up_console_sem+0xb4/0xfc [ 57.287166][ T5080] hardirqs last disabled at (80900): [] el1_dbg+0x24/0x80 [ 57.288637][ T5080] softirqs last enabled at (80876): [] handle_softirqs+0xa40/0xbe4 [ 57.290239][ T5080] softirqs last disabled at (80861): [] __irq_exit_rcu+0x240/0x43c [ 57.291869][ T5080] ---[ end trace 4114951c4a67055b ]--- [ 57.293774][ T5080] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.295790][ T5080] BTRFS info (device loop0): forced readonly [ 57.500147][ T5101] loop0: detected capacity change from 0 to 32768 [ 57.502855][ T5101] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5101) [ 57.507720][ T5101] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.509379][ T5101] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.510753][ T5101] BTRFS info (device loop0): turning on flush-on-commit [ 57.511987][ T5101] BTRFS info (device loop0): disabling tree log [ 57.513123][ T5101] BTRFS info (device loop0): enabling auto defrag [ 57.514659][ T5101] BTRFS info (device loop0): using free space tree [ 57.515813][ T5101] BTRFS info (device loop0): has skinny extents [ 57.526127][ T5101] BTRFS info (device loop0): enabling ssd optimizations [ 57.531818][ T5101] FAULT_INJECTION: forcing a failure. [ 57.531818][ T5101] name failslab, interval 1, probability 0, space 0, times 0 [ 57.534923][ T5101] CPU: 1 PID: 5101 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.536438][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.538366][ T5101] Call trace: [ 57.538951][ T5101] dump_backtrace+0x0/0x458 [ 57.539778][ T5101] show_stack+0x2c/0x3c [ 57.540519][ T5101] __dump_stack+0x30/0x40 [ 57.541291][ T5101] dump_stack_lvl+0xf4/0x15c [ 57.542094][ T5101] dump_stack+0x1c/0x5c [ 57.542828][ T5101] should_fail+0x3bc/0x514 [ 57.543629][ T5101] __should_failslab+0xbc/0x10c [ 57.544455][ T5101] should_failslab+0x10/0x28 [ 57.545276][ T5101] slab_pre_alloc_hook+0x64/0xe8 [ 57.546172][ T5101] kmem_cache_alloc+0x94/0x3d4 [ 57.547055][ T5101] alloc_extent_map+0x28/0x128 [ 57.547906][ T5101] btrfs_drop_extent_cache+0x164/0xd90 [ 57.548825][ T5101] btrfs_drop_extents+0x2e8/0x2254 [ 57.549755][ T5101] btrfs_replace_file_extents+0x338/0x1238 [ 57.550845][ T5101] btrfs_clone+0xb7c/0x1d14 [ 57.551623][ T5101] btrfs_clone_files+0x278/0x320 [ 57.552513][ T5101] btrfs_remap_file_range+0x488/0xb9c [ 57.553418][ T5101] vfs_copy_file_range+0xab0/0x10fc [ 57.554340][ T5101] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.555357][ T5101] invoke_syscall+0x98/0x2b0 [ 57.556111][ T5101] el0_svc_common+0x138/0x258 [ 57.556923][ T5101] do_el0_svc+0x58/0x13c [ 57.557652][ T5101] el0_svc+0x78/0x1d0 [ 57.558416][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 57.559360][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 57.704053][ T4065] Bluetooth: hci0: command 0x0419 tx timeout [ 57.749843][ T5122] loop0: detected capacity change from 0 to 32768 [ 57.752565][ T5122] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5122) [ 57.756767][ T5122] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.758688][ T5122] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.760151][ T5122] BTRFS info (device loop0): turning on flush-on-commit [ 57.761442][ T5122] BTRFS info (device loop0): disabling tree log [ 57.762597][ T5122] BTRFS info (device loop0): enabling auto defrag [ 57.763725][ T5122] BTRFS info (device loop0): using free space tree [ 57.765274][ T5122] BTRFS info (device loop0): has skinny extents [ 57.773697][ T5122] BTRFS info (device loop0): enabling ssd optimizations [ 57.780135][ T5122] FAULT_INJECTION: forcing a failure. [ 57.780135][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 57.782502][ T5122] CPU: 0 PID: 5122 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.784027][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.785822][ T5122] Call trace: [ 57.786370][ T5122] dump_backtrace+0x0/0x458 [ 57.787180][ T5122] show_stack+0x2c/0x3c [ 57.787916][ T5122] __dump_stack+0x30/0x40 [ 57.788750][ T5122] dump_stack_lvl+0xf4/0x15c [ 57.789555][ T5122] dump_stack+0x1c/0x5c [ 57.790270][ T5122] should_fail+0x3bc/0x514 [ 57.791081][ T5122] __should_failslab+0xbc/0x10c [ 57.791903][ T5122] should_failslab+0x10/0x28 [ 57.792714][ T5122] slab_pre_alloc_hook+0x64/0xe8 [ 57.793594][ T5122] kmem_cache_alloc+0x94/0x3d4 [ 57.794420][ T5122] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 57.795467][ T5122] btrfs_inc_extent_ref+0x100/0x198 [ 57.796494][ T5122] btrfs_insert_replace_extent+0x6a0/0x9cc [ 57.797486][ T5122] btrfs_replace_file_extents+0x89c/0x1238 [ 57.798550][ T5122] btrfs_clone+0xb7c/0x1d14 [ 57.799319][ T5122] btrfs_clone_files+0x278/0x320 [ 57.800214][ T5122] btrfs_remap_file_range+0x488/0xb9c [ 57.801182][ T5122] vfs_copy_file_range+0xab0/0x10fc [ 57.802071][ T5122] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.803069][ T5122] invoke_syscall+0x98/0x2b0 [ 57.803894][ T5122] el0_svc_common+0x138/0x258 [ 57.804711][ T5122] do_el0_svc+0x58/0x13c [ 57.805422][ T5122] el0_svc+0x78/0x1d0 [ 57.806060][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 57.806971][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 57.811067][ T5122] ------------[ cut here ]------------ [ 57.812157][ T5122] WARNING: CPU: 0 PID: 5122 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 57.813738][ T5122] Modules linked in: [ 57.814467][ T5122] CPU: 0 PID: 5122 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.816117][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.817876][ T5122] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.819158][ T5122] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.820206][ T5122] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 57.821404][ T5122] sp : ffff8000213d7440 [ 57.822107][ T5122] x29: ffff8000213d7560 x28: dfff800000000000 x27: 0000000000000000 [ 57.823556][ T5122] x26: ffff0000cc2c0d00 x25: ffff8000213d7890 x24: ffff0000e244c4b0 [ 57.825034][ T5122] x23: ffff70000427ae98 x22: 00000000fffffff4 x21: 1fffe0001bd01581 [ 57.826373][ T5122] x20: ffff0000de80abb0 x19: ffff0000de80ac08 x18: 0000000000000001 [ 57.827802][ T5122] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 57.829226][ T5122] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 57.830698][ T5122] x11: 0000000000000000 x10: 0000000000000000 x9 : 0b69170291564200 [ 57.832099][ T5122] x8 : 0b69170291564200 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.833483][ T5122] x5 : ffff8000213d6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.834806][ T5122] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.836245][ T5122] Call trace: [ 57.836814][ T5122] btrfs_replace_file_extents+0xcc4/0x1238 [ 57.837808][ T5122] btrfs_clone+0xb7c/0x1d14 [ 57.838627][ T5122] btrfs_clone_files+0x278/0x320 [ 57.839465][ T5122] btrfs_remap_file_range+0x488/0xb9c [ 57.840448][ T5122] vfs_copy_file_range+0xab0/0x10fc [ 57.841354][ T5122] __arm64_sys_copy_file_range+0x540/0x8d4 [ 57.842331][ T5122] invoke_syscall+0x98/0x2b0 [ 57.843085][ T5122] el0_svc_common+0x138/0x258 [ 57.843888][ T5122] do_el0_svc+0x58/0x13c [ 57.844645][ T5122] el0_svc+0x78/0x1d0 [ 57.845279][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 57.846214][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 57.846980][ T5122] irq event stamp: 80214 [ 57.847686][ T5122] hardirqs last enabled at (80213): [] __up_console_sem+0xb4/0xfc [ 57.849507][ T5122] hardirqs last disabled at (80214): [] el1_dbg+0x24/0x80 [ 57.851040][ T5122] softirqs last enabled at (80190): [] handle_softirqs+0xa40/0xbe4 [ 57.852761][ T5122] softirqs last disabled at (80147): [] __irq_exit_rcu+0x240/0x43c [ 57.854430][ T5122] ---[ end trace 4114951c4a67055c ]--- [ 57.856286][ T5122] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.857800][ T5122] BTRFS info (device loop0): forced readonly [ 58.061094][ T5143] loop0: detected capacity change from 0 to 32768 [ 58.063900][ T5143] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5143) [ 58.069138][ T5143] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.070814][ T5143] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.072321][ T5143] BTRFS info (device loop0): turning on flush-on-commit [ 58.073534][ T5143] BTRFS info (device loop0): disabling tree log [ 58.075135][ T5143] BTRFS info (device loop0): enabling auto defrag [ 58.076364][ T5143] BTRFS info (device loop0): using free space tree [ 58.077577][ T5143] BTRFS info (device loop0): has skinny extents [ 58.089824][ T5143] BTRFS info (device loop0): enabling ssd optimizations [ 58.097152][ T5143] FAULT_INJECTION: forcing a failure. [ 58.097152][ T5143] name failslab, interval 1, probability 0, space 0, times 0 [ 58.099442][ T5143] CPU: 1 PID: 5143 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.100886][ T5143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.102543][ T5143] Call trace: [ 58.103133][ T5143] dump_backtrace+0x0/0x458 [ 58.103941][ T5143] show_stack+0x2c/0x3c [ 58.104671][ T5143] __dump_stack+0x30/0x40 [ 58.105408][ T5143] dump_stack_lvl+0xf4/0x15c [ 58.106155][ T5143] dump_stack+0x1c/0x5c [ 58.106863][ T5143] should_fail+0x3bc/0x514 [ 58.107662][ T5143] __should_failslab+0xbc/0x10c [ 58.108493][ T5143] should_failslab+0x10/0x28 [ 58.109267][ T5143] slab_pre_alloc_hook+0x64/0xe8 [ 58.110145][ T5143] kmem_cache_alloc+0x94/0x3d4 [ 58.110996][ T5143] btrfs_add_delayed_data_ref+0x160/0xd08 [ 58.112014][ T5143] btrfs_inc_extent_ref+0x100/0x198 [ 58.112957][ T5143] btrfs_insert_replace_extent+0x6a0/0x9cc [ 58.113959][ T5143] btrfs_replace_file_extents+0x89c/0x1238 [ 58.114957][ T5143] btrfs_clone+0xb7c/0x1d14 [ 58.115739][ T5143] btrfs_clone_files+0x278/0x320 [ 58.116585][ T5143] btrfs_remap_file_range+0x488/0xb9c [ 58.117502][ T5143] vfs_copy_file_range+0xab0/0x10fc [ 58.118401][ T5143] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.119426][ T5143] invoke_syscall+0x98/0x2b0 [ 58.120154][ T5143] el0_svc_common+0x138/0x258 [ 58.120964][ T5143] do_el0_svc+0x58/0x13c [ 58.121661][ T5143] el0_svc+0x78/0x1d0 [ 58.122352][ T5143] el0t_64_sync_handler+0xcc/0xe4 [ 58.123216][ T5143] el0t_64_sync+0x1a0/0x1a4 [ 58.126021][ T5143] ------------[ cut here ]------------ [ 58.127008][ T5143] WARNING: CPU: 1 PID: 5143 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 58.128683][ T5143] Modules linked in: [ 58.129350][ T5143] CPU: 1 PID: 5143 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.130857][ T5143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.132492][ T5143] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.133791][ T5143] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.134850][ T5143] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.135928][ T5143] sp : ffff800021377440 [ 58.136622][ T5143] x29: ffff800021377560 x28: dfff800000000000 x27: 0000000000000000 [ 58.137920][ T5143] x26: ffff0000c5ff8600 x25: ffff800021377890 x24: ffff0000e2525850 [ 58.139396][ T5143] x23: ffff70000426ee98 x22: 00000000fffffff4 x21: 1fffe0001bd44a21 [ 58.140677][ T5143] x20: ffff0000dea250b0 x19: ffff0000dea25108 x18: 0000000000000001 [ 58.141999][ T5143] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 58.143391][ T5143] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.144779][ T5143] x11: 0000000000000000 x10: 0000000000000000 x9 : c13745effdbba400 [ 58.146083][ T5143] x8 : c13745effdbba400 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.147430][ T5143] x5 : ffff800021376d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 58.148781][ T5143] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.150168][ T5143] Call trace: [ 58.150733][ T5143] btrfs_replace_file_extents+0xcc4/0x1238 [ 58.151718][ T5143] btrfs_clone+0xb7c/0x1d14 [ 58.152470][ T5143] btrfs_clone_files+0x278/0x320 [ 58.153302][ T5143] btrfs_remap_file_range+0x488/0xb9c [ 58.154182][ T5143] vfs_copy_file_range+0xab0/0x10fc [ 58.155038][ T5143] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.156007][ T5143] invoke_syscall+0x98/0x2b0 [ 58.156801][ T5143] el0_svc_common+0x138/0x258 [ 58.157605][ T5143] do_el0_svc+0x58/0x13c [ 58.158359][ T5143] el0_svc+0x78/0x1d0 [ 58.159055][ T5143] el0t_64_sync_handler+0xcc/0xe4 [ 58.159916][ T5143] el0t_64_sync+0x1a0/0x1a4 [ 58.160716][ T5143] irq event stamp: 81144 [ 58.161461][ T5143] hardirqs last enabled at (81143): [] __up_console_sem+0xb4/0xfc [ 58.163091][ T5143] hardirqs last disabled at (81144): [] el1_dbg+0x24/0x80 [ 58.164627][ T5143] softirqs last enabled at (81124): [] handle_softirqs+0xa40/0xbe4 [ 58.166175][ T5143] softirqs last disabled at (81007): [] __irq_exit_rcu+0x240/0x43c [ 58.167796][ T5143] ---[ end trace 4114951c4a67055d ]--- [ 58.169221][ T5143] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.170803][ T5143] BTRFS info (device loop0): forced readonly [ 58.372387][ T5164] loop0: detected capacity change from 0 to 32768 [ 58.375296][ T5164] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5164) [ 58.379369][ T5164] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.381057][ T5164] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.382649][ T5164] BTRFS info (device loop0): turning on flush-on-commit [ 58.384291][ T5164] BTRFS info (device loop0): disabling tree log [ 58.385427][ T5164] BTRFS info (device loop0): enabling auto defrag [ 58.386578][ T5164] BTRFS info (device loop0): using free space tree [ 58.387839][ T5164] BTRFS info (device loop0): has skinny extents [ 58.401101][ T5164] BTRFS info (device loop0): enabling ssd optimizations [ 58.407473][ T5164] FAULT_INJECTION: forcing a failure. [ 58.407473][ T5164] name failslab, interval 1, probability 0, space 0, times 0 [ 58.409739][ T5164] CPU: 1 PID: 5164 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.411264][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.413150][ T5164] Call trace: [ 58.413719][ T5164] dump_backtrace+0x0/0x458 [ 58.414532][ T5164] show_stack+0x2c/0x3c [ 58.415307][ T5164] __dump_stack+0x30/0x40 [ 58.415995][ T5164] dump_stack_lvl+0xf4/0x15c [ 58.416798][ T5164] dump_stack+0x1c/0x5c [ 58.417573][ T5164] should_fail+0x3bc/0x514 [ 58.418348][ T5164] __should_failslab+0xbc/0x10c [ 58.419206][ T5164] should_failslab+0x10/0x28 [ 58.420030][ T5164] slab_pre_alloc_hook+0x64/0xe8 [ 58.420906][ T5164] kmem_cache_alloc+0x94/0x3d4 [ 58.421718][ T5164] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 58.422712][ T5164] btrfs_inc_extent_ref+0x100/0x198 [ 58.423621][ T5164] btrfs_insert_replace_extent+0x6a0/0x9cc [ 58.424590][ T5164] btrfs_replace_file_extents+0x89c/0x1238 [ 58.425615][ T5164] btrfs_clone+0xb7c/0x1d14 [ 58.426404][ T5164] btrfs_clone_files+0x278/0x320 [ 58.427284][ T5164] btrfs_remap_file_range+0x488/0xb9c [ 58.428239][ T5164] vfs_copy_file_range+0xab0/0x10fc [ 58.429139][ T5164] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.430127][ T5164] invoke_syscall+0x98/0x2b0 [ 58.430891][ T5164] el0_svc_common+0x138/0x258 [ 58.431711][ T5164] do_el0_svc+0x58/0x13c [ 58.432459][ T5164] el0_svc+0x78/0x1d0 [ 58.433124][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 58.434037][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 58.436535][ T5164] ------------[ cut here ]------------ [ 58.437598][ T5164] WARNING: CPU: 1 PID: 5164 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 58.439362][ T5164] Modules linked in: [ 58.439993][ T5164] CPU: 1 PID: 5164 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.441576][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.443277][ T5164] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.444651][ T5164] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.445695][ T5164] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.446776][ T5164] sp : ffff8000215d7440 [ 58.447454][ T5164] x29: ffff8000215d7560 x28: dfff800000000000 x27: 0000000000000000 [ 58.448844][ T5164] x26: ffff0000d6ff3d00 x25: ffff8000215d7890 x24: ffff0000deb58000 [ 58.450311][ T5164] x23: ffff7000042bae98 x22: 00000000fffffff4 x21: 1fffe0001bd44b97 [ 58.451759][ T5164] x20: ffff0000dea25c60 x19: ffff0000dea25cb8 x18: 0000000000000001 [ 58.453179][ T5164] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 58.454628][ T5164] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.456055][ T5164] x11: 0000000000000000 x10: 0000000000000000 x9 : f288c4bb482a7d00 [ 58.457385][ T5164] x8 : f288c4bb482a7d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.458751][ T5164] x5 : ffff8000215d6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 58.460151][ T5164] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.461536][ T5164] Call trace: [ 58.462127][ T5164] btrfs_replace_file_extents+0xcc4/0x1238 [ 58.463182][ T5164] btrfs_clone+0xb7c/0x1d14 [ 58.463958][ T5164] btrfs_clone_files+0x278/0x320 [ 58.464838][ T5164] btrfs_remap_file_range+0x488/0xb9c [ 58.465809][ T5164] vfs_copy_file_range+0xab0/0x10fc [ 58.466679][ T5164] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.467634][ T5164] invoke_syscall+0x98/0x2b0 [ 58.468472][ T5164] el0_svc_common+0x138/0x258 [ 58.469213][ T5164] do_el0_svc+0x58/0x13c [ 58.469916][ T5164] el0_svc+0x78/0x1d0 [ 58.470573][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 58.471384][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 58.472190][ T5164] irq event stamp: 80958 [ 58.472940][ T5164] hardirqs last enabled at (80957): [] __up_console_sem+0xb4/0xfc [ 58.474626][ T5164] hardirqs last disabled at (80958): [] el1_dbg+0x24/0x80 [ 58.476100][ T5164] softirqs last enabled at (80934): [] handle_softirqs+0xa40/0xbe4 [ 58.477782][ T5164] softirqs last disabled at (80911): [] __irq_exit_rcu+0x240/0x43c [ 58.479458][ T5164] ---[ end trace 4114951c4a67055e ]--- [ 58.482530][ T5164] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.484437][ T5164] BTRFS info (device loop0): forced readonly [ 58.671537][ T5185] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5185) [ 58.682672][ T5185] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.684381][ T5185] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.685758][ T5185] BTRFS info (device loop0): turning on flush-on-commit [ 58.686936][ T5185] BTRFS info (device loop0): disabling tree log [ 58.688066][ T5185] BTRFS info (device loop0): enabling auto defrag [ 58.689247][ T5185] BTRFS info (device loop0): using free space tree [ 58.690442][ T5185] BTRFS info (device loop0): has skinny extents [ 58.698897][ T5185] BTRFS info (device loop0): enabling ssd optimizations [ 58.704973][ T5185] FAULT_INJECTION: forcing a failure. [ 58.704973][ T5185] name failslab, interval 1, probability 0, space 0, times 0 [ 58.707060][ T5185] CPU: 0 PID: 5185 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.708691][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.710467][ T5185] Call trace: [ 58.711086][ T5185] dump_backtrace+0x0/0x458 [ 58.711903][ T5185] show_stack+0x2c/0x3c [ 58.712556][ T5185] __dump_stack+0x30/0x40 [ 58.713311][ T5185] dump_stack_lvl+0xf4/0x15c [ 58.714084][ T5185] dump_stack+0x1c/0x5c [ 58.714791][ T5185] should_fail+0x3bc/0x514 [ 58.715542][ T5185] __should_failslab+0xbc/0x10c [ 58.716406][ T5185] should_failslab+0x10/0x28 [ 58.717219][ T5185] slab_pre_alloc_hook+0x64/0xe8 [ 58.718080][ T5185] kmem_cache_alloc+0x94/0x3d4 [ 58.718907][ T5185] alloc_extent_map+0x28/0x128 [ 58.719798][ T5185] btrfs_drop_extent_cache+0x154/0xd90 [ 58.720724][ T5185] btrfs_drop_extents+0x2e8/0x2254 [ 58.721655][ T5185] btrfs_replace_file_extents+0x338/0x1238 [ 58.722629][ T5185] btrfs_clone+0xb7c/0x1d14 [ 58.723376][ T5185] btrfs_clone_files+0x278/0x320 [ 58.724216][ T5185] btrfs_remap_file_range+0x488/0xb9c [ 58.725130][ T5185] vfs_copy_file_range+0xab0/0x10fc [ 58.726042][ T5185] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.727046][ T5185] invoke_syscall+0x98/0x2b0 [ 58.727939][ T5185] el0_svc_common+0x138/0x258 [ 58.728801][ T5185] do_el0_svc+0x58/0x13c [ 58.729581][ T5185] el0_svc+0x78/0x1d0 [ 58.730230][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 58.731074][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 58.911229][ T5206] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5206) [ 58.916972][ T5206] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.918755][ T5206] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.920105][ T5206] BTRFS info (device loop0): turning on flush-on-commit [ 58.921334][ T5206] BTRFS info (device loop0): disabling tree log [ 58.922461][ T5206] BTRFS info (device loop0): enabling auto defrag [ 58.923550][ T5206] BTRFS info (device loop0): using free space tree [ 58.925273][ T5206] BTRFS info (device loop0): has skinny extents [ 58.941793][ T5206] FAULT_INJECTION: forcing a failure. [ 58.941793][ T5206] name failslab, interval 1, probability 0, space 0, times 0 [ 58.945012][ T5206] CPU: 1 PID: 5206 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.946604][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.948443][ T5206] Call trace: [ 58.949013][ T5206] dump_backtrace+0x0/0x458 [ 58.949802][ T5206] show_stack+0x2c/0x3c [ 58.950496][ T5206] __dump_stack+0x30/0x40 [ 58.951217][ T5206] dump_stack_lvl+0xf4/0x15c [ 58.952041][ T5206] dump_stack+0x1c/0x5c [ 58.952729][ T5206] should_fail+0x3bc/0x514 [ 58.953505][ T5206] __should_failslab+0xbc/0x10c [ 58.954305][ T5206] should_failslab+0x10/0x28 [ 58.955188][ T5206] slab_pre_alloc_hook+0x64/0xe8 [ 58.956018][ T5206] kmem_cache_alloc+0x94/0x3d4 [ 58.956821][ T5206] btrfs_add_delayed_data_ref+0x160/0xd08 [ 58.957848][ T5206] btrfs_inc_extent_ref+0x100/0x198 [ 58.958806][ T5206] btrfs_insert_replace_extent+0x6a0/0x9cc [ 58.959786][ T5206] btrfs_replace_file_extents+0x89c/0x1238 [ 58.960860][ T5206] btrfs_clone+0xb7c/0x1d14 [ 58.961647][ T5206] btrfs_clone_files+0x278/0x320 [ 58.962532][ T5206] btrfs_remap_file_range+0x488/0xb9c [ 58.963486][ T5206] vfs_copy_file_range+0xab0/0x10fc [ 58.964430][ T5206] __arm64_sys_copy_file_range+0x540/0x8d4 [ 58.965451][ T5206] invoke_syscall+0x98/0x2b0 [ 58.966240][ T5206] el0_svc_common+0x138/0x258 [ 58.967108][ T5206] do_el0_svc+0x58/0x13c [ 58.967895][ T5206] el0_svc+0x78/0x1d0 [ 58.968594][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 58.969453][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 58.971280][ T5206] ------------[ cut here ]------------ [ 58.972263][ T5206] WARNING: CPU: 1 PID: 5206 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 58.974027][ T5206] Modules linked in: [ 58.974711][ T5206] CPU: 1 PID: 5206 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.976345][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.978144][ T5206] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.979559][ T5206] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.980725][ T5206] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 58.981817][ T5206] sp : ffff800020527440 [ 58.982518][ T5206] x29: ffff800020527560 x28: dfff800000000000 x27: 0000000000000000 [ 58.983884][ T5206] x26: ffff0000cf4a7700 x25: ffff800020527890 x24: ffff0000deaf93a0 [ 58.985287][ T5206] x23: ffff7000040a4e98 x22: 00000000fffffff4 x21: 1fffe0001bd44b13 [ 58.986753][ T5206] x20: ffff0000dea25840 x19: ffff0000dea25898 x18: 0000000000000001 [ 58.988151][ T5206] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 58.989576][ T5206] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.990933][ T5206] x11: 0000000000000000 x10: 0000000000000000 x9 : 30882bf176ce8300 [ 58.992334][ T5206] x8 : 30882bf176ce8300 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.993742][ T5206] x5 : ffff800020526d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 58.995122][ T5206] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.996518][ T5206] Call trace: [ 58.997073][ T5206] btrfs_replace_file_extents+0xcc4/0x1238 [ 58.998076][ T5206] btrfs_clone+0xb7c/0x1d14 [ 58.998843][ T5206] btrfs_clone_files+0x278/0x320 [ 58.999741][ T5206] btrfs_remap_file_range+0x488/0xb9c [ 59.000661][ T5206] vfs_copy_file_range+0xab0/0x10fc [ 59.001595][ T5206] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.002641][ T5206] invoke_syscall+0x98/0x2b0 [ 59.003429][ T5206] el0_svc_common+0x138/0x258 [ 59.004256][ T5206] do_el0_svc+0x58/0x13c [ 59.005022][ T5206] el0_svc+0x78/0x1d0 [ 59.005728][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 59.006569][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 59.007373][ T5206] irq event stamp: 80872 [ 59.008125][ T5206] hardirqs last enabled at (80871): [] __up_console_sem+0xb4/0xfc [ 59.009716][ T5206] hardirqs last disabled at (80872): [] el1_dbg+0x24/0x80 [ 59.011193][ T5206] softirqs last enabled at (80852): [] handle_softirqs+0xa40/0xbe4 [ 59.012929][ T5206] softirqs last disabled at (80743): [] __irq_exit_rcu+0x240/0x43c [ 59.014576][ T5206] ---[ end trace 4114951c4a67055f ]--- [ 59.016271][ T5206] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.194454][ T5227] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5227) [ 59.213112][ T5227] FAULT_INJECTION: forcing a failure. [ 59.213112][ T5227] name failslab, interval 1, probability 0, space 0, times 0 [ 59.215526][ T5227] CPU: 1 PID: 5227 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.217021][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.218755][ T5227] Call trace: [ 59.219351][ T5227] dump_backtrace+0x0/0x458 [ 59.220138][ T5227] show_stack+0x2c/0x3c [ 59.220903][ T5227] __dump_stack+0x30/0x40 [ 59.221655][ T5227] dump_stack_lvl+0xf4/0x15c [ 59.222472][ T5227] dump_stack+0x1c/0x5c [ 59.223201][ T5227] should_fail+0x3bc/0x514 [ 59.224032][ T5227] __should_failslab+0xbc/0x10c [ 59.224914][ T5227] should_failslab+0x10/0x28 [ 59.225723][ T5227] slab_pre_alloc_hook+0x64/0xe8 [ 59.226562][ T5227] kmem_cache_alloc+0x94/0x3d4 [ 59.227386][ T5227] btrfs_add_delayed_data_ref+0x160/0xd08 [ 59.228386][ T5227] btrfs_inc_extent_ref+0x100/0x198 [ 59.229297][ T5227] btrfs_insert_replace_extent+0x6a0/0x9cc [ 59.230313][ T5227] btrfs_replace_file_extents+0x89c/0x1238 [ 59.231372][ T5227] btrfs_clone+0xb7c/0x1d14 [ 59.232181][ T5227] btrfs_clone_files+0x278/0x320 [ 59.233004][ T5227] btrfs_remap_file_range+0x488/0xb9c [ 59.233945][ T5227] vfs_copy_file_range+0xab0/0x10fc [ 59.234825][ T5227] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.235881][ T5227] invoke_syscall+0x98/0x2b0 [ 59.236645][ T5227] el0_svc_common+0x138/0x258 [ 59.237489][ T5227] do_el0_svc+0x58/0x13c [ 59.238192][ T5227] el0_svc+0x78/0x1d0 [ 59.238834][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 59.239688][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 59.241261][ T5227] ------------[ cut here ]------------ [ 59.242513][ T5227] WARNING: CPU: 1 PID: 5227 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 59.244147][ T5227] Modules linked in: [ 59.244845][ T5227] CPU: 1 PID: 5227 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.246404][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.248177][ T5227] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.249495][ T5227] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.250623][ T5227] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.251682][ T5227] sp : ffff800021937440 [ 59.252318][ T5227] x29: ffff800021937560 x28: dfff800000000000 x27: 0000000000000000 [ 59.253717][ T5227] x26: ffff0000d0010b00 x25: ffff800021937890 x24: ffff0000deafbae0 [ 59.254980][ T5227] x23: ffff700004326e98 x22: 00000000fffffff4 x21: 1fffe0001bd44dc3 [ 59.256297][ T5227] x20: ffff0000dea26dc0 x19: ffff0000dea26e18 x18: 0000000000000001 [ 59.257838][ T5227] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 59.259275][ T5227] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 59.260655][ T5227] x11: 0000000000000000 x10: 0000000000000000 x9 : 2f95bcbdcc2a7400 [ 59.261971][ T5227] x8 : 2f95bcbdcc2a7400 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.263382][ T5227] x5 : ffff800021936d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 59.264847][ T5227] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.266308][ T5227] Call trace: [ 59.266879][ T5227] btrfs_replace_file_extents+0xcc4/0x1238 [ 59.267945][ T5227] btrfs_clone+0xb7c/0x1d14 [ 59.268703][ T5227] btrfs_clone_files+0x278/0x320 [ 59.269513][ T5227] btrfs_remap_file_range+0x488/0xb9c [ 59.270435][ T5227] vfs_copy_file_range+0xab0/0x10fc [ 59.271319][ T5227] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.272352][ T5227] invoke_syscall+0x98/0x2b0 [ 59.273143][ T5227] el0_svc_common+0x138/0x258 [ 59.273938][ T5227] do_el0_svc+0x58/0x13c [ 59.274632][ T5227] el0_svc+0x78/0x1d0 [ 59.275312][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 59.276221][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 59.276999][ T5227] irq event stamp: 80568 [ 59.277749][ T5227] hardirqs last enabled at (80567): [] __up_console_sem+0xb4/0xfc [ 59.279376][ T5227] hardirqs last disabled at (80568): [] el1_dbg+0x24/0x80 [ 59.280925][ T5227] softirqs last enabled at (80542): [] handle_softirqs+0xa40/0xbe4 [ 59.282597][ T5227] softirqs last disabled at (80519): [] __irq_exit_rcu+0x240/0x43c [ 59.284211][ T5227] ---[ end trace 4114951c4a670560 ]--- [ 59.285485][ T5227] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.505520][ T5248] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5248) [ 59.532744][ T5248] FAULT_INJECTION: forcing a failure. [ 59.532744][ T5248] name failslab, interval 1, probability 0, space 0, times 0 [ 59.535894][ T5248] CPU: 1 PID: 5248 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.537366][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.539190][ T5248] Call trace: [ 59.539783][ T5248] dump_backtrace+0x0/0x458 [ 59.540599][ T5248] show_stack+0x2c/0x3c [ 59.541359][ T5248] __dump_stack+0x30/0x40 [ 59.542168][ T5248] dump_stack_lvl+0xf4/0x15c [ 59.542943][ T5248] dump_stack+0x1c/0x5c [ 59.543687][ T5248] should_fail+0x3bc/0x514 [ 59.544418][ T5248] __should_failslab+0xbc/0x10c [ 59.545141][ T5248] should_failslab+0x10/0x28 [ 59.545850][ T5248] slab_pre_alloc_hook+0x64/0xe8 [ 59.546676][ T5248] kmem_cache_alloc+0x94/0x3d4 [ 59.547462][ T5248] btrfs_add_delayed_data_ref+0x160/0xd08 [ 59.548434][ T5248] btrfs_inc_extent_ref+0x100/0x198 [ 59.549357][ T5248] btrfs_insert_replace_extent+0x6a0/0x9cc [ 59.550428][ T5248] btrfs_replace_file_extents+0x89c/0x1238 [ 59.551411][ T5248] btrfs_clone+0xb7c/0x1d14 [ 59.552168][ T5248] btrfs_clone_files+0x278/0x320 [ 59.553006][ T5248] btrfs_remap_file_range+0x488/0xb9c [ 59.553935][ T5248] vfs_copy_file_range+0xab0/0x10fc [ 59.554815][ T5248] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.555798][ T5248] invoke_syscall+0x98/0x2b0 [ 59.556590][ T5248] el0_svc_common+0x138/0x258 [ 59.557438][ T5248] do_el0_svc+0x58/0x13c [ 59.558158][ T5248] el0_svc+0x78/0x1d0 [ 59.558864][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 59.559772][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 59.564033][ T5248] ------------[ cut here ]------------ [ 59.565136][ T5248] WARNING: CPU: 0 PID: 5248 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 59.566790][ T5248] Modules linked in: [ 59.567462][ T5248] CPU: 0 PID: 5248 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.569043][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.570771][ T5248] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.572061][ T5248] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.573171][ T5248] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.574201][ T5248] sp : ffff800021b07440 [ 59.574916][ T5248] x29: ffff800021b07560 x28: dfff800000000000 x27: 0000000000000000 [ 59.576337][ T5248] x26: ffff0000c1ec8100 x25: ffff800021b07890 x24: ffff0000deafd850 [ 59.577673][ T5248] x23: ffff700004360e98 x22: 00000000fffffff4 x21: 1fffe0001bd44d6b [ 59.579120][ T5248] x20: ffff0000dea26b00 x19: ffff0000dea26b58 x18: 0000000000000001 [ 59.580471][ T5248] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 59.581816][ T5248] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 59.583224][ T5248] x11: 0000000000000000 x10: 0000000000000000 x9 : badda8f23f9dbc00 [ 59.584665][ T5248] x8 : badda8f23f9dbc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.586075][ T5248] x5 : ffff800021b06d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 59.587423][ T5248] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.588767][ T5248] Call trace: [ 59.589316][ T5248] btrfs_replace_file_extents+0xcc4/0x1238 [ 59.590328][ T5248] btrfs_clone+0xb7c/0x1d14 [ 59.591120][ T5248] btrfs_clone_files+0x278/0x320 [ 59.591976][ T5248] btrfs_remap_file_range+0x488/0xb9c [ 59.592924][ T5248] vfs_copy_file_range+0xab0/0x10fc [ 59.593856][ T5248] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.594887][ T5248] invoke_syscall+0x98/0x2b0 [ 59.595672][ T5248] el0_svc_common+0x138/0x258 [ 59.596496][ T5248] do_el0_svc+0x58/0x13c [ 59.597221][ T5248] el0_svc+0x78/0x1d0 [ 59.597928][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 59.598789][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 59.599584][ T5248] irq event stamp: 79990 [ 59.600325][ T5248] hardirqs last enabled at (79989): [] __up_console_sem+0xb4/0xfc [ 59.601966][ T5248] hardirqs last disabled at (79990): [] el1_dbg+0x24/0x80 [ 59.603503][ T5248] softirqs last enabled at (79970): [] handle_softirqs+0xa40/0xbe4 [ 59.605290][ T5248] softirqs last disabled at (79883): [] __irq_exit_rcu+0x240/0x43c [ 59.606985][ T5248] ---[ end trace 4114951c4a670561 ]--- [ 59.608900][ T5248] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory 1970/01/01 00:00:59 executed programs: 30 [ 59.796124][ T5269] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5269) [ 59.816240][ T5269] FAULT_INJECTION: forcing a failure. [ 59.816240][ T5269] name failslab, interval 1, probability 0, space 0, times 0 [ 59.818627][ T5269] CPU: 1 PID: 5269 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.820154][ T5269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.821928][ T5269] Call trace: [ 59.822505][ T5269] dump_backtrace+0x0/0x458 [ 59.823348][ T5269] show_stack+0x2c/0x3c [ 59.824050][ T5269] __dump_stack+0x30/0x40 [ 59.824817][ T5269] dump_stack_lvl+0xf4/0x15c [ 59.825634][ T5269] dump_stack+0x1c/0x5c [ 59.826343][ T5269] should_fail+0x3bc/0x514 [ 59.827094][ T5269] __should_failslab+0xbc/0x10c [ 59.827937][ T5269] should_failslab+0x10/0x28 [ 59.828720][ T5269] slab_pre_alloc_hook+0x64/0xe8 [ 59.829593][ T5269] kmem_cache_alloc+0x94/0x3d4 [ 59.830446][ T5269] btrfs_add_delayed_data_ref+0x160/0xd08 [ 59.831470][ T5269] btrfs_inc_extent_ref+0x100/0x198 [ 59.832441][ T5269] btrfs_insert_replace_extent+0x6a0/0x9cc [ 59.833478][ T5269] btrfs_replace_file_extents+0x89c/0x1238 [ 59.834491][ T5269] btrfs_clone+0xb7c/0x1d14 [ 59.835318][ T5269] btrfs_clone_files+0x278/0x320 [ 59.836156][ T5269] btrfs_remap_file_range+0x488/0xb9c [ 59.837118][ T5269] vfs_copy_file_range+0xab0/0x10fc [ 59.837998][ T5269] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.839047][ T5269] invoke_syscall+0x98/0x2b0 [ 59.839864][ T5269] el0_svc_common+0x138/0x258 [ 59.840704][ T5269] do_el0_svc+0x58/0x13c [ 59.841502][ T5269] el0_svc+0x78/0x1d0 [ 59.842201][ T5269] el0t_64_sync_handler+0xcc/0xe4 [ 59.843123][ T5269] el0t_64_sync+0x1a0/0x1a4 [ 59.845386][ T5269] ------------[ cut here ]------------ [ 59.846362][ T5269] WARNING: CPU: 1 PID: 5269 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 59.848004][ T5269] Modules linked in: [ 59.848660][ T5269] CPU: 1 PID: 5269 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.850202][ T5269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.851980][ T5269] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.853338][ T5269] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.854355][ T5269] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 59.855389][ T5269] sp : ffff800021937440 [ 59.856033][ T5269] x29: ffff800021937560 x28: dfff800000000000 x27: 0000000000000000 [ 59.857443][ T5269] x26: ffff0000c892b500 x25: ffff800021937890 x24: ffff0000deaff5c0 [ 59.858801][ T5269] x23: ffff700004326e98 x22: 00000000fffffff4 x21: 1fffe0001bd44d29 [ 59.860130][ T5269] x20: ffff0000dea268f0 x19: ffff0000dea26948 x18: 0000000000000001 [ 59.861515][ T5269] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 59.863004][ T5269] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 59.864416][ T5269] x11: 0000000000000000 x10: 0000000000000000 x9 : 1c01698f5cc06c00 [ 59.865820][ T5269] x8 : 1c01698f5cc06c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.867112][ T5269] x5 : ffff800021936d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 59.868524][ T5269] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.869923][ T5269] Call trace: [ 59.870522][ T5269] btrfs_replace_file_extents+0xcc4/0x1238 [ 59.871525][ T5269] btrfs_clone+0xb7c/0x1d14 [ 59.872326][ T5269] btrfs_clone_files+0x278/0x320 [ 59.873237][ T5269] btrfs_remap_file_range+0x488/0xb9c [ 59.874161][ T5269] vfs_copy_file_range+0xab0/0x10fc [ 59.874976][ T5269] __arm64_sys_copy_file_range+0x540/0x8d4 [ 59.875951][ T5269] invoke_syscall+0x98/0x2b0 [ 59.876696][ T5269] el0_svc_common+0x138/0x258 [ 59.877539][ T5269] do_el0_svc+0x58/0x13c [ 59.878299][ T5269] el0_svc+0x78/0x1d0 [ 59.878990][ T5269] el0t_64_sync_handler+0xcc/0xe4 [ 59.879857][ T5269] el0t_64_sync+0x1a0/0x1a4 [ 59.880687][ T5269] irq event stamp: 80792 [ 59.881469][ T5269] hardirqs last enabled at (80791): [] __up_console_sem+0xb4/0xfc [ 59.883053][ T5269] hardirqs last disabled at (80792): [] el1_dbg+0x24/0x80 [ 59.884532][ T5269] softirqs last enabled at (80772): [] handle_softirqs+0xa40/0xbe4 [ 59.886170][ T5269] softirqs last disabled at (80755): [] __irq_exit_rcu+0x240/0x43c [ 59.887756][ T5269] ---[ end trace 4114951c4a670562 ]--- [ 59.890034][ T5269] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 60.081877][ T5290] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5290) [ 60.101690][ T5290] FAULT_INJECTION: forcing a failure. [ 60.101690][ T5290] name failslab, interval 1, probability 0, space 0, times 0 [ 60.104347][ T5290] CPU: 1 PID: 5290 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.105726][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.107361][ T5290] Call trace: [ 60.107867][ T5290] dump_backtrace+0x0/0x458 [ 60.108625][ T5290] show_stack+0x2c/0x3c [ 60.109256][ T5290] __dump_stack+0x30/0x40 [ 60.109996][ T5290] dump_stack_lvl+0xf4/0x15c [ 60.110726][ T5290] dump_stack+0x1c/0x5c [ 60.111417][ T5290] should_fail+0x3bc/0x514 [ 60.112093][ T5290] __should_failslab+0xbc/0x10c [ 60.112847][ T5290] should_failslab+0x10/0x28 [ 60.113563][ T5290] slab_pre_alloc_hook+0x64/0xe8 [ 60.114337][ T5290] kmem_cache_alloc+0x94/0x3d4 [ 60.115072][ T5290] btrfs_add_delayed_data_ref+0x3b8/0xd08 [ 60.115969][ T5290] btrfs_inc_extent_ref+0x100/0x198 [ 60.116913][ T5290] btrfs_insert_replace_extent+0x6a0/0x9cc [ 60.117823][ T5290] btrfs_replace_file_extents+0x89c/0x1238 [ 60.118874][ T5290] btrfs_clone+0xb7c/0x1d14 [ 60.119689][ T5290] btrfs_clone_files+0x278/0x320 [ 60.120568][ T5290] btrfs_remap_file_range+0x488/0xb9c [ 60.121485][ T5290] vfs_copy_file_range+0xab0/0x10fc [ 60.122409][ T5290] __arm64_sys_copy_file_range+0x540/0x8d4 [ 60.123402][ T5290] invoke_syscall+0x98/0x2b0 [ 60.124196][ T5290] el0_svc_common+0x138/0x258 [ 60.125018][ T5290] do_el0_svc+0x58/0x13c [ 60.125772][ T5290] el0_svc+0x78/0x1d0 [ 60.126502][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 60.127416][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 60.129035][ T5290] ------------[ cut here ]------------ [ 60.130078][ T5290] WARNING: CPU: 1 PID: 5290 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 60.131874][ T5290] Modules linked in: [ 60.132551][ T5290] CPU: 1 PID: 5290 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.134202][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.136073][ T5290] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.137579][ T5290] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 60.138621][ T5290] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 60.139655][ T5290] sp : ffff8000219f7440 [ 60.140414][ T5290] x29: ffff8000219f7560 x28: dfff800000000000 x27: 0000000000000000 [ 60.141735][ T5290] x26: ffff0000c26a5100 x25: ffff8000219f7890 x24: ffff0000deb59d70 [ 60.143163][ T5290] x23: ffff70000433ee98 x22: 00000000fffffff4 x21: 1fffe00018a61621 [ 60.144558][ T5290] x20: ffff0000c530b0b0 x19: ffff0000c530b108 x18: 0000000000000001 [ 60.145927][ T5290] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 60.147337][ T5290] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 60.148745][ T5290] x11: 0000000000000000 x10: 0000000000000000 x9 : 4c1fff5ad98e3000 [ 60.150103][ T5290] x8 : 4c1fff5ad98e3000 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.151496][ T5290] x5 : ffff8000219f6d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 60.152926][ T5290] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.154298][ T5290] Call trace: [ 60.154852][ T5290] btrfs_replace_file_extents+0xcc4/0x1238 [ 60.155905][ T5290] btrfs_clone+0xb7c/0x1d14 [ 60.156731][ T5290] btrfs_clone_files+0x278/0x320 [ 60.157641][ T5290] btrfs_remap_file_range+0x488/0xb9c [ 60.158621][ T5290] vfs_copy_file_range+0xab0/0x10fc [ 60.159461][ T5290] __arm64_sys_copy_file_range+0x540/0x8d4 [ 60.160487][ T5290] invoke_syscall+0x98/0x2b0 [ 60.161270][ T5290] el0_svc_common+0x138/0x258 [ 60.162058][ T5290] do_el0_svc+0x58/0x13c [ 60.162816][ T5290] el0_svc+0x78/0x1d0 [ 60.163522][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 60.164459][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 60.165261][ T5290] irq event stamp: 81288 [ 60.166002][ T5290] hardirqs last enabled at (81287): [] __up_console_sem+0xb4/0xfc [ 60.167750][ T5290] hardirqs last disabled at (81288): [] el1_dbg+0x24/0x80 [ 60.169316][ T5290] softirqs last enabled at (81264): [] handle_softirqs+0xa40/0xbe4 [ 60.170983][ T5290] softirqs last disabled at (81185): [] __irq_exit_rcu+0x240/0x43c [ 60.172724][ T5290] ---[ end trace 4114951c4a670563 ]--- [ 60.174616][ T5290] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 60.365063][ T5311] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5311) [ 60.383274][ T5311] FAULT_INJECTION: forcing a failure. [ 60.383274][ T5311] name failslab, interval 1, probability 0, space 0, times 0 [ 60.386405][ T5311] CPU: 1 PID: 5311 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.387984][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.389781][ T5311] Call trace: [ 60.390364][ T5311] dump_backtrace+0x0/0x458 [ 60.391168][ T5311] show_stack+0x2c/0x3c [ 60.391876][ T5311] __dump_stack+0x30/0x40 [ 60.392633][ T5311] dump_stack_lvl+0xf4/0x15c [ 60.393389][ T5311] dump_stack+0x1c/0x5c [ 60.394105][ T5311] should_fail+0x3bc/0x514 [ 60.394874][ T5311] __should_failslab+0xbc/0x10c [ 60.395709][ T5311] should_failslab+0x10/0x28 [ 60.396479][ T5311] slab_pre_alloc_hook+0x64/0xe8 [ 60.397337][ T5311] kmem_cache_alloc+0x94/0x3d4 [ 60.398184][ T5311] alloc_extent_map+0x28/0x128 [ 60.398999][ T5311] btrfs_drop_extent_cache+0x164/0xd90 [ 60.399937][ T5311] btrfs_drop_extents+0x2e8/0x2254 [ 60.400834][ T5311] btrfs_replace_file_extents+0x338/0x1238 [ 60.401829][ T5311] btrfs_clone+0xb7c/0x1d14 [ 60.402629][ T5311] btrfs_clone_files+0x278/0x320 [ 60.403477][ T5311] btrfs_remap_file_range+0x488/0xb9c [ 60.404369][ T5311] vfs_copy_file_range+0xab0/0x10fc [ 60.405361][ T5311] __arm64_sys_copy_file_range+0x540/0x8d4 [ 60.406408][ T5311] invoke_syscall+0x98/0x2b0 [ 60.407244][ T5311] el0_svc_common+0x138/0x258 [ 60.408044][ T5311] do_el0_svc+0x58/0x13c [ 60.408803][ T5311] el0_svc+0x78/0x1d0 [ 60.409532][ T5311] el0t_64_sync_handler+0xcc/0xe4 [ 60.410409][ T5311] el0t_64_sync+0x1a0/0x1a4 [ 60.611211][ T5332] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5332) [ 60.629551][ T5332] FAULT_INJECTION: forcing a failure. [ 60.629551][ T5332] name failslab, interval 1, probability 0, space 0, times 0 [ 60.631753][ T5332] CPU: 0 PID: 5332 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.633214][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.634863][ T5332] Call trace: [ 60.635433][ T5332] dump_backtrace+0x0/0x458 [ 60.636184][ T5332] show_stack+0x2c/0x3c [ 60.636872][ T5332] __dump_stack+0x30/0x40 [ 60.637646][ T5332] dump_stack_lvl+0xf4/0x15c [ 60.638408][ T5332] dump_stack+0x1c/0x5c [ 60.639121][ T5332] should_fail+0x3bc/0x514 [ 60.639896][ T5332] __should_failslab+0xbc/0x10c [ 60.640732][ T5332] should_failslab+0x10/0x28 [ 60.641468][ T5332] slab_pre_alloc_hook+0x64/0xe8 [ 60.642286][ T5332] kmem_cache_alloc+0x94/0x3d4 [ 60.643096][ T5332] btrfs_add_delayed_data_ref+0x160/0xd08 [ 60.644047][ T5332] btrfs_inc_extent_ref+0x100/0x198 [ 60.644914][ T5332] btrfs_insert_replace_extent+0x6a0/0x9cc [ 60.645925][ T5332] btrfs_replace_file_extents+0x89c/0x1238 [ 60.646956][ T5332] btrfs_clone+0xb7c/0x1d14 [ 60.647795][ T5332] btrfs_clone_files+0x278/0x320 [ 60.648691][ T5332] btrfs_remap_file_range+0x488/0xb9c [ 60.649671][ T5332] vfs_copy_file_range+0xab0/0x10fc [ 60.650588][ T5332] __arm64_sys_copy_file_range+0x540/0x8d4 [ 60.651584][ T5332] invoke_syscall+0x98/0x2b0 [ 60.652403][ T5332] el0_svc_common+0x138/0x258 [ 60.653252][ T5332] do_el0_svc+0x58/0x13c [ 60.654099][ T5332] el0_svc+0x78/0x1d0 [ 60.654820][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 60.655723][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 60.657317][ T5332] ------------[ cut here ]------------ [ 60.658286][ T5332] WARNING: CPU: 0 PID: 5332 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 60.659966][ T5332] Modules linked in: [ 60.660614][ T5332] CPU: 0 PID: 5332 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.662154][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.663903][ T5332] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.665231][ T5332] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 60.666280][ T5332] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 60.667299][ T5332] sp : ffff800022257440 [ 60.668026][ T5332] x29: ffff800022257560 x28: dfff800000000000 x27: 0000000000000000 [ 60.669448][ T5332] x26: ffff0000c16eaf00 x25: ffff800022257890 x24: ffff0000e24113a0 [ 60.670789][ T5332] x23: ffff70000444ae98 x22: 00000000fffffff4 x21: 1fffe0001bd292a5 [ 60.672129][ T5332] x20: ffff0000de9494d0 x19: ffff0000de949528 x18: 0000000000000001 [ 60.673535][ T5332] x17: 0000000000000000 x16: ffff80001125f0fc x15: 00000000ffffffff [ 60.674959][ T5332] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 60.676341][ T5332] x11: 0000000000000000 x10: 0000000000000000 x9 : 2b6948e497b3ad00 [ 60.677726][ T5332] x8 : 2b6948e497b3ad00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.679134][ T5332] x5 : ffff800022256d58 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 60.680607][ T5332] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.682016][ T5332] Call trace: [ 60.682634][ T5332] btrfs_replace_file_extents+0xcc4/0x1238 [ 60.683684][ T5332] btrfs_clone+0xb7c/0x1d14 [ 60.684517][ T5332] btrfs_clone_files+0x278/0x320 [ 60.685305][ T5332] btrfs_remap_file_range+0x488/0xb9c [ 60.686254][ T5332] vfs_copy_file_range+0xab0/0x10fc [ 60.687212][ T5332] __arm64_sys_copy_file_range+0x540/0x8d4 [ 60.688178][ T5332] invoke_syscall+0x98/0x2b0 [ 60.689030][ T5332] el0_svc_common+0x138/0x258 [ 60.689884][ T5332] do_el0_svc+0x58/0x13c [ 60.690624][ T5332] el0_svc+0x78/0x1d0 [ 60.691328][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 60.692171][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 60.692994][ T5332] irq event stamp: 81188 [ 60.693745][ T5332] hardirqs last enabled at (81187): [] __up_console_sem+0xb4/0xfc [ 60.695485][ T5332] hardirqs last disabled at (81188): [] el1_dbg+0x24/0x80 [ 60.697070][ T5332] softirqs last enabled at (81168): [] handle_softirqs+0xa40/0xbe4 [ 60.698794][ T5332] softirqs last disabled at (81157): [] __irq_exit_rcu+0x240/0x43c [ 60.700449][ T5332] ---[ end trace 4114951c4a670564 ]--- [ 60.702885][ T5332] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 60.892978][ T5353] set_capacity_and_notify: 8 callbacks suppressed [ 60.892988][ T5353] loop0: detected capacity change from 0 to 32768 [ 60.897210][ T5353] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5353) [ 60.900751][ T5353] btrfs_printk: 55 callbacks suppressed [ 60.900757][ T5353] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 60.903370][ T5353] BTRFS info (device loop0): setting nodatacow, compression disabled [ 60.904907][ T5353] BTRFS info (device loop0): turning on flush-on-commit [ 60.906210][ T5353] BTRFS info (device loop0): disabling tree log [ 60.907434][ T5353] BTRFS info (device loop0): enabling auto defrag [ 60.908691][ T5353] BTRFS info (device loop0): using free space tree [ 60.909911][ T5353] BTRFS info (device loop0): has skinny extents [ 60.919919][ T5353] BTRFS info (device loop0): enabling ssd optimizations [ 60.925559][ T5353] FAULT_INJECTION: forcing a failure. [ 60.925559][ T5353] name failslab, interval 1, probability 0, space 0, times 0 [ 60.927753][ T5353] CPU: 1 PID: 5353 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.929366][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.931187][ T5353] Call trace: [ 60.931762][ T5353] dump_backtrace+0x0/0x458 [ 60.932615][ T5353] show_stack+0x2c/0x3c [ 60.933296][ T5353] __dump_stack+0x30/0x40 [ 60.934020][ T5353] dump_stack_lvl+0xf4/0x15c [ 60.934894][ T5353] dump_stack+0x1c/0x5c [ 60.935610][ T5353] should_fail+0x3bc/0x514 [ 60.936416][ T5353] __should_failslab+0xbc/0x10c [ 60.937282][ T5353] should_failslab+0x10/0x28 [ 60.938075][ T5353] slab_pre_alloc_hook+0x64/0xe8 [ 60.938909][ T5353] kmem_cache_alloc+0x94/0x3d4 [ 60.939740][ T5353] alloc_extent_map+0x28/0x128 [ 60.940561][ T5353] btrfs_drop_extent_cache+0x164/0xd90 [ 60.941529][ T5353] btrfs_drop_extents+0x2e8/0x2254 [ 60.942410][ T5353] btrfs_replace_file_extents+0x338/0x1238 [ 60.943341][ T5353] btrfs_clone+0xb7c/0x1d14 [ 60.944101][ T5353] btrfs_clone_files+0x278/0x320 [ 60.944974][ T5353] btrfs_remap_file_range+0x488/0xb9c [ 60.945884][ T5353] vfs_copy_file_range+0xab0/0x10fc [ 60.946772][ T5353] __arm64_sys_copy_file_range+0x540/0x8d4 [ 60.947812][ T5353] invoke_syscall+0x98/0x2b0 [ 60.948603][ T5353] el0_svc_common+0x138/0x258 [ 60.949422][ T5353] do_el0_svc+0x58/0x13c [ 60.950165][ T5353] el0_svc+0x78/0x1d0 [ 60.950799][ T5353] el0t_64_sync_handler+0xcc/0xe4 [ 60.951626][ T5353] el0t_64_sync+0x1a0/0x1a4 [ 61.148936][ T5374] loop0: detected capacity change from 0 to 32768 [ 61.151568][ T5374] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5374) [ 61.156231][ T5374] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.157932][ T5374] BTRFS info (device loop0): setting nodatacow, compression disabled [ 61.159463][ T5374] BTRFS info (device loop0): turning on flush-on-commit [ 61.160806][ T5374] BTRFS info (device loop0): disabling tree log [ 61.161827][ T5374] BTRFS info (device loop0): enabling auto defrag [ 61.163042][ T5374] BTRFS info (device loop0): using free space tree [ 61.164389][ T5374] BTRFS info (device loop0): has skinny extents [ 61.176193][ T5374] BTRFS info (device loop0): enabling ssd optimizations [ 61.182255][ T5374] FAULT_INJECTION: forcing a failure. [ 61.182255][ T5374] name failslab, interval 1, probability 0, space 0, times 0 [ 61.184694][ T5374] CPU: 1 PID: 5374 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.186246][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.188004][ T5374] Call trace: [ 61.188571][ T5374] dump_backtrace+0x0/0x458 [ 61.189370][ T5374] show_stack+0x2c/0x3c [ 61.190091][ T5374] __dump_stack+0x30/0x40 [ 61.190855][ T5374] dump_stack_lvl+0xf4/0x15c [ 61.191652][ T5374] dump_stack+0x1c/0x5c [ 61.192388][ T5374] should_fail+0x3bc/0x514 [ 61.193170][ T5374] __should_failslab+0xbc/0x10c [ 61.194049][ T5374] should_failslab+0x10/0x28 [ 61.194918][ T5374] slab_pre_alloc_hook+0x64/0xe8 [ 61.195818][ T5374] kmem_cache_alloc+0x94/0x3d4 [ 61.196688][ T5374] btrfs_add_delayed_data_ref+0x160/0xd08 [ 61.197686][ T5374] btrfs_inc_extent_ref+0x100/0x198 [ 61.198628][ T5374] btrfs_insert_replace_extent+0x6a0/0x9cc [ 61.199568][ T5374] btrfs_replace_file_extents+0x89c/0x1238 [ 61.200537][ T5374] btrfs_clone+0xb7c/0x1d14 [ 61.201298][ T5374] btrfs_clone_files+0x278/0x320 [ 61.202149][ T5374] btrfs_remap_file_range+0x488/0xb9c [ 61.203046][ T5374] vfs_copy_file_range+0xab0/0x10fc [ 61.203950][ T5374] __arm64_sys_copy_file_range+0x540/0x8d4 [ 61.205088][ T5374] invoke_syscall+0x98/0x2b0 [ 61.205845][ T5374] el0_svc_common+0x138/0x258 [ 61.206656][ T5374] do_el0_svc+0x58/0x13c [ 61.207393][ T5374] el0_svc+0x78/0x1d0 [ 61.208049][ T5374] el0t_64_sync_handler+0xcc/0xe4 [ 61.208870][ T5374] el0t_64_sync+0x1a0/0x1a4 [ 61.209879][ T5374] ------------[ cut here ]------------ [ 61.210957][ T5374] WARNING: CPU: 1 PID: 5374 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 61.212696][ T5374] Modules linked in: [ 61.213460][ T5374] CPU: 1 PID: 5374 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.215043][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.216784][ T5374] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.218133][ T5374] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 61.219139][ T5374] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 61.220243][ T5374] sp : ffff800022397440 [ 61.220967][ T5374] x29: ffff800022397560 x28: dfff800000000000 x27: 0000000000000000 [ 61.222339][ T5374] x26: ffff0000cd33c000 x25: ffff800022397890 x24: ffff0000debe89d0 [ 61.223774][ T5374] x23: ffff700004472e98 x22: 00000000fffffff4 x21: 1fffe00018a6173f [ 61.225189][ T5374] x20: ffff0000c530b9a0 x19: ffff0000c530b9f8 x18: 0000000000000001 [ 61.226707][ T5374] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 61.228170][ T5374] x14: 0000000000000001 x13: 1ffff00004472da8 x12: 0000000000ff0100 [ 61.229549][ T5374] x11: 0000000000000000 x10: 0000000000000000 x9 : fce3eb3081dd1900 [ 61.230988][ T5374] x8 : fce3eb3081dd1900 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.232405][ T5374] x5 : ffff800022396d58 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 61.233763][ T5374] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.235175][ T5374] Call trace: [ 61.235740][ T5374] btrfs_replace_file_extents+0xcc4/0x1238 [ 61.236719][ T5374] btrfs_clone+0xb7c/0x1d14 [ 61.237559][ T5374] btrfs_clone_files+0x278/0x320 [ 61.238443][ T5374] btrfs_remap_file_range+0x488/0xb9c [ 61.239343][ T5374] vfs_copy_file_range+0xab0/0x10fc [ 61.240184][ T5374] __arm64_sys_copy_file_range+0x540/0x8d4 [ 61.241138][ T5374] invoke_syscall+0x98/0x2b0 [ 61.241910][ T5374] el0_svc_common+0x138/0x258 [ 61.242732][ T5374] do_el0_svc+0x58/0x13c [ 61.243499][ T5374] el0_svc+0x78/0x1d0 [ 61.244198][ T5374] el0t_64_sync_handler+0xcc/0xe4 [ 61.245104][ T5374] el0t_64_sync+0x1a0/0x1a4 [ 61.245856][ T5374] irq event stamp: 81662 [ 61.246630][ T5374] hardirqs last enabled at (81661): [] __up_console_sem+0xb4/0xfc [ 61.248332][ T5374] hardirqs last disabled at (81662): [] el1_dbg+0x24/0x80 [ 61.249819][ T5374] softirqs last enabled at (81642): [] handle_softirqs+0xa40/0xbe4 [ 61.251498][ T5374] softirqs last disabled at (81579): [] __irq_exit_rcu+0x240/0x43c [ 61.253159][ T5374] ---[ end trace 4114951c4a670565 ]--- [ 61.254546][ T5374] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 61.256245][ T5374] BTRFS info (device loop0): forced readonly [ 61.451413][ T5395] loop0: detected capacity change from 0 to 32768 [ 61.454277][ T5395] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5395) [ 61.458272][ T5395] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.460287][ T5395] BTRFS info (device loop0): setting nodatacow, compression disabled [ 61.461662][ T5395] BTRFS info (device loop0): turning on flush-on-commit [ 61.462851][ T5395] BTRFS info (device loop0): disabling tree log [ 61.464487][ T5395] BTRFS info (device loop0): enabling auto defrag [ 61.465632][ T5395] BTRFS info (device loop0): using free space tree [ 61.466784][ T5395] BTRFS info (device loop0): has skinny extents [ 61.477988][ T5395] BTRFS info (device loop0): enabling ssd optimizations [ 61.485733][ T5395] FAULT_INJECTION: forcing a failure. [ 61.485733][ T5395] name failslab, interval 1, probability 0, space 0, times 0 [ 61.488201][ T5395] CPU: 1 PID: 5395 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.489755][ T5395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.491547][ T5395] Call trace: [ 61.492146][ T5395] dump_backtrace+0x0/0x458 [ 61.492887][ T5395] show_stack+0x2c/0x3c [ 61.493614][ T5395] __dump_stack+0x30/0x40 [ 61.494370][ T5395] dump_stack_lvl+0xf4/0x15c [ 61.495160][ T5395] dump_stack+0x1c/0x5c [ 61.495878][ T5395] should_fail+0x3bc/0x514 [ 61.496637][ T5395] __should_failslab+0xbc/0x10c [ 61.497473][ T5395] should_failslab+0x10/0x28 [ 61.498345][ T5395] slab_pre_alloc_hook+0x64/0xe8 [ 61.499286][ T5395] kmem_cache_alloc+0x94/0x3d4 [ 61.500175][ T5395] alloc_extent_map+0x28/0x128 [ 61.501059][ T5395] btrfs_drop_extent_cache+0x154/0xd90 [ 61.501971][ T5395] btrfs_drop_extents+0x2e8/0x2254 [ 61.502899][ T5395] btrfs_replace_file_extents+0x338/0x1238 [ 61.503966][ T5395] btrfs_clone+0xb7c/0x1d14 [ 61.504766][ T5395] btrfs_clone_files+0x278/0x320 [ 61.505612][ T5395] btrfs_remap_file_range+0x488/0xb9c [ 61.506535][ T5395] vfs_copy_file_range+0xab0/0x10fc [ 61.507403][ T5395] __arm64_sys_copy_file_range+0x540/0x8d4 [ 61.508472][ T5395] invoke_syscall+0x98/0x2b0 [ 61.509259][ T5395] el0_svc_common+0x138/0x258 [ 61.510055][ T5395] do_el0_svc+0x58/0x13c [ 61.510845][ T5395] el0_svc+0x78/0x1d0 [ 61.511525][ T5395] el0t_64_sync_handler+0xcc/0xe4 [ 61.512412][ T5395] el0t_64_sync+0x1a0/0x1a4 [ 61.721674][ T5416] loop0: detected capacity change from 0 to 32768 [ 61.724544][ T5416] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5416) [ 61.728648][ T5416] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 61.731297][ T5416] BTRFS info (device loop0): setting nodatacow, compression disabled [ 61.732757][ T5416] BTRFS info (device loop0): turning on flush-on-commit [ 61.734026][ T5416] BTRFS info (device loop0): disabling tree log [ 61.735233][ T5416] BTRFS info (device loop0): enabling auto defrag [ 61.736415][ T5416] BTRFS info (device loop0): using free space tree [ 61.737649][ T5416] BTRFS info (device loop0): has skinny extents [ 61.747611][ T5416] BTRFS info (device loop0): enabling ssd optimizations [ 61.756231][ T5416] FAULT_INJECTION: forcing a failure. [ 61.756231][ T5416] name failslab, interval 1, probability 0, space 0, times 0 [ 61.758389][ T5416] CPU: 0 PID: 5416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.759916][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.761671][ T5416] Call trace: [ 61.762236][ T5416] dump_backtrace+0x0/0x458 [ 61.762987][ T5416] show_stack+0x2c/0x3c [ 61.763711][ T5416] __dump_stack+0x30/0x40 [ 61.764451][ T5416] dump_stack_lvl+0xf4/0x15c [ 61.765294][ T5416] dump_stack+0x1c/0x5c [ 61.765994][ T5416] should_fail+0x3bc/0x514 [ 61.766744][ T5416] __should_failslab+0xbc/0x10c [ 61.767588][ T5416] should_failslab+0x10/0x28 [ 61.768409][ T5416] slab_pre_alloc_hook+0x64/0xe8 [ 61.769274][ T5416] kmem_cache_alloc+0x94/0x3d4 [ 61.770101][ T5416] btrfs_add_delayed_data_ref+0x160/0xd08 [ 61.771089][ T5416] btrfs_inc_extent_ref+0x100/0x198 [ 61.771944][ T5416] btrfs_insert_replace_extent+0x6a0/0x9cc [ 61.773020][ T5416] btrfs_replace_file_extents+0x89c/0x1238 [ 61.774030][ T5416] btrfs_clone+0xb7c/0x1d14 [ 61.774791][ T5416] btrfs_clone_files+0x278/0x320 [ 61.775686][ T5416] btrfs_remap_file_range+0x488/0xb9c [ 61.776637][ T5416] vfs_copy_file_range+0xab0/0x10fc [ 61.777524][ T5416] __arm64_sys_copy_file_range+0x540/0x8d4 [ 61.778605][ T5416] invoke_syscall+0x98/0x2b0 [ 61.779464][ T5416] el0_svc_common+0x138/0x258 [ 61.780215][ T5416] do_el0_svc+0x58/0x13c [ 61.780994][ T5416] el0_svc+0x78/0x1d0 [ 61.781719][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 61.782583][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 61.783484][ T5416] ------------[ cut here ]------------ [ 61.784577][ T5416] WARNING: CPU: 0 PID: 5416 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1238 [ 61.786301][ T5416] Modules linked in: [ 61.786962][ T5416] CPU: 0 PID: 5416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.788550][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.790147][ T5416] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.791500][ T5416] pc : btrfs_replace_file_extents+0xcc4/0x1238 [ 61.792518][ T5416] lr : btrfs_replace_file_extents+0xcc4/0x1238 [ 61.793589][ T5416] sp : ffff800022737440 [ 61.794304][ T5416] x29: ffff800022737560 x28: dfff800000000000 x27: 0000000000000000 [ 61.795602][ T5416] x26: ffff0000d0297500 x25: ffff800022737890 x24: ffff0000debec4b0 [ 61.796927][ T5416] x23: ffff7000044e6e98 x22: 00000000fffffff4 x21: 1fffe0001bd29329 [ 61.798301][ T5416] x20: ffff0000de9498f0 x19: ffff0000de949948 x18: 0000000000000001 [ 61.799561][ T5416] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 61.800941][ T5416] x14: 0000000000000001 x13: 1ffff000044e6da8 x12: 0000000000ff0100 [ 61.802359][ T5416] x11: 0000000000000000 x10: 0000000000000000 x9 : 7c28d5b06c03e500 [ 61.803712][ T5416] x8 : 7c28d5b06c03e500 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.805142][ T5416] x5 : ffff800022736d58 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 61.806569][ T5416] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.807936][ T5416] Call trace: [ 61.808480][ T5416] btrfs_replace_file_extents+0xcc4/0x1238 [ 61.809416][ T5416] btrfs_clone+0xb7c/0x1d14 [ 61.810163][ T5416] btrfs_clone_files+0x278/0x320 [ 61.811011][ T5416] btrfs_remap_file_range+0x488/0xb9c [ 61.811928][ T5416] vfs_copy_file_range+0xab0/0x10fc [ 61.812922][ T5416] __arm64_sys_copy_file_range+0x540/0x8d4 [ 61.813934][ T5416] invoke_syscall+0x98/0x2b0 [ 61.814763][ T5416] el0_svc_common+0x138/0x258 [ 61.815575][ T5416] do_el0_svc+0x58/0x13c [ 61.816286][ T5416] el0_svc+0x78/0x1d0 [ 61.816943][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 61.817778][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 61.818542][ T5416] irq event stamp: 80732 [ 61.819311][ T5416] hardirqs last enabled at (80731): [] __up_console_sem+0xb4/0xfc [ 61.821030][ T5416] hardirqs last disabled at (80732): [] el1_dbg+0x24/0x80 [ 61.822664][ T5416] softirqs last enabled at (80722): [] handle_softirqs+0xa40/0xbe4 [ 61.824277][ T5416] softirqs last disabled at (80661): [] __irq_exit_rcu+0x240/0x43c [ 61.825845][ T5416] ---[ end trace 4114951c4a670566 ]--- [ 61.827619][ T5416] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 61.829422][ T5416] BTRFS info (device loop0): forced readonly