[ 35.603142][ T285] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.761714][ T285] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.811964][ T285] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.861995][ T285] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.061820][ T285] device hsr_slave_0 left promiscuous mode [ 39.098526][ T285] device hsr_slave_1 left promiscuous mode [ 39.188317][ T285] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.189678][ T285] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.191593][ T285] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.192787][ T285] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.194367][ T285] device bridge_slave_1 left promiscuous mode [ 39.195650][ T285] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.229560][ T285] device bridge_slave_0 left promiscuous mode [ 39.230739][ T285] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.368488][ T285] device veth1_macvtap left promiscuous mode [ 39.369612][ T285] device veth0_macvtap left promiscuous mode [ 39.370590][ T285] device veth1_vlan left promiscuous mode [ 39.371587][ T285] device veth0_vlan left promiscuous mode [ 39.456790][ T285] team0 (unregistering): Port device team_slave_1 removed [ 39.462052][ T285] team0 (unregistering): Port device team_slave_0 removed [ 39.466151][ T285] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.502233][ T285] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.621287][ T285] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.224' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "type"="gce" 1970/01/01 00:00:40 parsed 1 programs [ 40.251272][ T4249] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:40 executed programs: 0 [ 40.314370][ T4256] chnl_net:caif_netlink_parms(): no params data found [ 40.332052][ T4256] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.333454][ T4256] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.335091][ T4256] device bridge_slave_0 entered promiscuous mode [ 40.337347][ T4256] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.339116][ T4256] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.340713][ T4256] device bridge_slave_1 entered promiscuous mode [ 40.348109][ T4256] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.351359][ T4256] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.359978][ T4256] team0: Port device team_slave_0 added [ 40.361783][ T4256] team0: Port device team_slave_1 added [ 40.368147][ T4256] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.369934][ T4256] 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. [ 40.374282][ T4256] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.376881][ T4256] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.378152][ T4256] 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. [ 40.383525][ T4256] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.419443][ T4256] device hsr_slave_0 entered promiscuous mode [ 40.458596][ T4256] device hsr_slave_1 entered promiscuous mode [ 41.047960][ T4256] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.089434][ T4256] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.130335][ T4256] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.159489][ T4256] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.223115][ T4256] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.227277][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.229221][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.232474][ T4256] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.238468][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.240175][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.241853][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.243140][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.245100][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.246807][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.248498][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.249677][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.251749][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.253492][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.256348][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.259405][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.261376][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.263227][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.265440][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.267092][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.272487][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.274387][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.289856][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.291569][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.293825][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.357334][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.359176][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.362286][ T4256] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.367641][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.369457][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.376556][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.378327][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.380116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.381653][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.385194][ T4256] device veth0_vlan entered promiscuous mode [ 41.390721][ T4256] device veth1_vlan entered promiscuous mode [ 41.398124][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.399935][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.401429][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.403104][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.406836][ T4256] device veth0_macvtap entered promiscuous mode [ 41.409960][ T4256] device veth1_macvtap entered promiscuous mode [ 41.416900][ T4256] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.418188][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.419835][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.421459][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.423115][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.426665][ T4256] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.428744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.430470][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.432933][ T4256] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.434437][ T4256] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.436040][ T4256] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.437536][ T4256] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.585816][ T4378] loop0: detected capacity change from 0 to 32768 [ 41.590612][ T4378] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4378) [ 41.599254][ T4378] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 41.602549][ T4378] BTRFS info (device loop0): setting nodatacow, compression disabled [ 41.609350][ T4378] BTRFS info (device loop0): turning on flush-on-commit [ 41.610794][ T4378] BTRFS info (device loop0): disabling tree log [ 41.613571][ T4378] BTRFS info (device loop0): enabling auto defrag [ 41.614639][ T4378] BTRFS info (device loop0): using free space tree [ 41.615718][ T4378] BTRFS info (device loop0): has skinny extents [ 41.674346][ T4378] BTRFS info (device loop0): enabling ssd optimizations [ 41.697281][ T4378] FAULT_INJECTION: forcing a failure. [ 41.697281][ T4378] name failslab, interval 1, probability 0, space 0, times 1 [ 41.700901][ T4378] CPU: 1 PID: 4378 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.702269][ T4378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.703922][ T4378] Call trace: [ 41.704463][ T4378] dump_backtrace+0x0/0x458 [ 41.705236][ T4378] show_stack+0x2c/0x3c [ 41.705935][ T4378] __dump_stack+0x30/0x40 [ 41.706610][ T4378] dump_stack_lvl+0xf4/0x15c [ 41.707356][ T4378] dump_stack+0x1c/0x5c [ 41.708016][ T4378] should_fail+0x3c8/0x520 [ 41.708800][ T4378] __should_failslab+0xbc/0x10c [ 41.709727][ T4378] should_failslab+0x10/0x28 [ 41.710606][ T4378] slab_pre_alloc_hook+0x64/0xe8 [ 41.711535][ T4378] kmem_cache_alloc+0x94/0x3d8 [ 41.712412][ T4378] alloc_extent_map+0x28/0x128 [ 41.713255][ T4378] btrfs_drop_extent_cache+0x160/0xd60 [ 41.714294][ T4378] btrfs_drop_extents+0x2e8/0x2338 [ 41.715155][ T4378] btrfs_replace_file_extents+0x340/0x1284 [ 41.716254][ T4378] btrfs_clone+0xb6c/0x1dd4 [ 41.717094][ T4378] btrfs_clone_files+0x26c/0x314 [ 41.718013][ T4378] btrfs_remap_file_range+0x478/0xb8c [ 41.718963][ T4378] vfs_copy_file_range+0xa08/0x1058 [ 41.719933][ T4378] __arm64_sys_copy_file_range+0x538/0x8bc [ 41.720988][ T4378] invoke_syscall+0x98/0x28c [ 41.721815][ T4378] el0_svc_common+0x13c/0x258 [ 41.722653][ T4378] do_el0_svc+0x5c/0x140 [ 41.723436][ T4378] el0_svc+0x78/0x1d4 [ 41.724154][ T4378] el0t_64_sync_handler+0xcc/0xe4 [ 41.725028][ T4378] el0t_64_sync+0x1a0/0x1a4 [ 41.960259][ T4449] loop0: detected capacity change from 0 to 32768 [ 41.963399][ T4449] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4449) [ 41.967582][ T4449] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 41.969973][ T4449] BTRFS info (device loop0): setting nodatacow, compression disabled [ 41.971448][ T4449] BTRFS info (device loop0): turning on flush-on-commit [ 41.972905][ T4449] BTRFS info (device loop0): disabling tree log [ 41.974062][ T4449] BTRFS info (device loop0): enabling auto defrag [ 41.975414][ T4449] BTRFS info (device loop0): using free space tree [ 41.976652][ T4449] BTRFS info (device loop0): has skinny extents [ 42.009681][ T4449] BTRFS info (device loop0): enabling ssd optimizations [ 42.015805][ T4449] FAULT_INJECTION: forcing a failure. [ 42.015805][ T4449] name failslab, interval 1, probability 0, space 0, times 0 [ 42.017971][ T4449] CPU: 1 PID: 4449 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.019540][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.021553][ T4449] Call trace: [ 42.022162][ T4449] dump_backtrace+0x0/0x458 [ 42.023104][ T4449] show_stack+0x2c/0x3c [ 42.024004][ T4449] __dump_stack+0x30/0x40 [ 42.024930][ T4449] dump_stack_lvl+0xf4/0x15c [ 42.025825][ T4449] dump_stack+0x1c/0x5c [ 42.026614][ T4449] should_fail+0x3c8/0x520 [ 42.027475][ T4449] __should_failslab+0xbc/0x10c [ 42.028422][ T4449] should_failslab+0x10/0x28 [ 42.029317][ T4449] slab_pre_alloc_hook+0x64/0xe8 [ 42.030273][ T4449] kmem_cache_alloc+0x94/0x3d8 [ 42.031187][ T4449] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 42.032295][ T4449] btrfs_inc_extent_ref+0xfc/0x188 [ 42.033257][ T4449] btrfs_insert_replace_extent+0x684/0x9b0 [ 42.034325][ T4449] btrfs_replace_file_extents+0x8a8/0x1284 [ 42.035410][ T4449] btrfs_clone+0xb6c/0x1dd4 [ 42.036228][ T4449] btrfs_clone_files+0x26c/0x314 [ 42.037148][ T4449] btrfs_remap_file_range+0x478/0xb8c [ 42.038132][ T4449] vfs_copy_file_range+0xa08/0x1058 [ 42.039094][ T4449] __arm64_sys_copy_file_range+0x538/0x8bc [ 42.040173][ T4449] invoke_syscall+0x98/0x28c [ 42.041046][ T4449] el0_svc_common+0x13c/0x258 [ 42.041904][ T4449] do_el0_svc+0x5c/0x140 [ 42.042671][ T4449] el0_svc+0x78/0x1d4 [ 42.043406][ T4449] el0t_64_sync_handler+0xcc/0xe4 [ 42.044286][ T4449] el0t_64_sync+0x1a0/0x1a4 [ 42.067706][ T4449] ------------[ cut here ]------------ [ 42.069102][ T4449] WARNING: CPU: 0 PID: 4449 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 42.070873][ T4449] Modules linked in: [ 42.071561][ T4449] CPU: 0 PID: 4449 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.072992][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.074836][ T4449] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.076214][ T4449] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 42.077297][ T4449] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 42.078368][ T4449] sp : ffff80001f877460 [ 42.079088][ T4449] x29: ffff80001f877580 x28: 00000000fffffff4 x27: ffff80001f8778d0 [ 42.080474][ T4449] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700003f0ee9c [ 42.081941][ T4449] x23: ffff0000e2551d70 x22: ffff0000dede0420 x21: ffff0000c119f300 [ 42.083398][ T4449] x20: 1fffe0001bdbc08f x19: ffff0000dede0478 x18: 0000000000000000 [ 42.084827][ T4449] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 42.086310][ T4449] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 42.087729][ T4449] x11: ff80800008302588 x10: 0000000000000000 x9 : b1e6ba6cfbbf1700 [ 42.089220][ T4449] x8 : b1e6ba6cfbbf1700 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.090608][ T4449] x5 : ffff80001f876d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 42.092062][ T4449] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.093494][ T4449] Call trace: [ 42.094083][ T4449] btrfs_replace_file_extents+0xd18/0x1284 [ 42.095130][ T4449] btrfs_clone+0xb6c/0x1dd4 [ 42.095940][ T4449] btrfs_clone_files+0x26c/0x314 [ 42.096830][ T4449] btrfs_remap_file_range+0x478/0xb8c [ 42.097772][ T4449] vfs_copy_file_range+0xa08/0x1058 [ 42.098700][ T4449] __arm64_sys_copy_file_range+0x538/0x8bc [ 42.099722][ T4449] invoke_syscall+0x98/0x28c [ 42.100548][ T4449] el0_svc_common+0x13c/0x258 [ 42.101367][ T4449] do_el0_svc+0x5c/0x140 [ 42.102106][ T4449] el0_svc+0x78/0x1d4 [ 42.102780][ T4449] el0t_64_sync_handler+0xcc/0xe4 [ 42.103722][ T4449] el0t_64_sync+0x1a0/0x1a4 [ 42.104511][ T4449] irq event stamp: 80576 [ 42.105238][ T4449] hardirqs last enabled at (80575): [] __up_console_sem+0xb4/0xfc [ 42.106909][ T4449] hardirqs last disabled at (80576): [] el1_dbg+0x24/0x80 [ 42.108396][ T4449] softirqs last enabled at (80564): [] handle_softirqs+0xa70/0xc14 [ 42.110110][ T4449] softirqs last disabled at (80499): [] __irq_exit_rcu+0x240/0x434 [ 42.111728][ T4449] ---[ end trace 9aa7eb689a771c9f ]--- [ 42.116344][ T4449] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 42.117989][ T4449] BTRFS info (device loop0): forced readonly [ 42.305642][ T4511] loop0: detected capacity change from 0 to 32768 [ 42.309928][ T4511] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4511) [ 42.313832][ T4511] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 42.315516][ T4511] BTRFS info (device loop0): setting nodatacow, compression disabled [ 42.317155][ T4511] BTRFS info (device loop0): turning on flush-on-commit [ 42.318960][ T4511] BTRFS info (device loop0): disabling tree log [ 42.320211][ T4511] BTRFS info (device loop0): enabling auto defrag [ 42.321494][ T4511] BTRFS info (device loop0): using free space tree [ 42.322817][ T4511] BTRFS info (device loop0): has skinny extents [ 42.328978][ T4506] Bluetooth: hci0: command 0x0409 tx timeout [ 42.354449][ T4511] BTRFS info (device loop0): enabling ssd optimizations [ 42.361701][ T4511] FAULT_INJECTION: forcing a failure. [ 42.361701][ T4511] name failslab, interval 1, probability 0, space 0, times 0 [ 42.364179][ T4511] CPU: 1 PID: 4511 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.365647][ T4511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.367518][ T4511] Call trace: [ 42.368085][ T4511] dump_backtrace+0x0/0x458 [ 42.368874][ T4511] show_stack+0x2c/0x3c [ 42.369579][ T4511] __dump_stack+0x30/0x40 [ 42.370347][ T4511] dump_stack_lvl+0xf4/0x15c [ 42.371154][ T4511] dump_stack+0x1c/0x5c [ 42.371877][ T4511] should_fail+0x3c8/0x520 [ 42.372646][ T4511] __should_failslab+0xbc/0x10c [ 42.373527][ T4511] should_failslab+0x10/0x28 [ 42.374356][ T4511] slab_pre_alloc_hook+0x64/0xe8 [ 42.375243][ T4511] kmem_cache_alloc+0x94/0x3d8 [ 42.376111][ T4511] alloc_extent_map+0x28/0x128 [ 42.376984][ T4511] btrfs_drop_extent_cache+0x150/0xd60 [ 42.377957][ T4511] btrfs_drop_extents+0x2e8/0x2338 [ 42.378860][ T4511] btrfs_replace_file_extents+0x340/0x1284 [ 42.379877][ T4511] btrfs_clone+0xb6c/0x1dd4 [ 42.380698][ T4511] btrfs_clone_files+0x26c/0x314 [ 42.381575][ T4511] btrfs_remap_file_range+0x478/0xb8c [ 42.382528][ T4511] vfs_copy_file_range+0xa08/0x1058 [ 42.383447][ T4511] __arm64_sys_copy_file_range+0x538/0x8bc [ 42.384490][ T4511] invoke_syscall+0x98/0x28c [ 42.385325][ T4511] el0_svc_common+0x13c/0x258 [ 42.386175][ T4511] do_el0_svc+0x5c/0x140 [ 42.386957][ T4511] el0_svc+0x78/0x1d4 [ 42.387732][ T4511] el0t_64_sync_handler+0xcc/0xe4 [ 42.388614][ T4511] el0t_64_sync+0x1a0/0x1a4 [ 42.603061][ T4563] loop0: detected capacity change from 0 to 32768 [ 42.605866][ T4563] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4563) [ 42.609919][ T4563] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 42.612506][ T4563] BTRFS info (device loop0): setting nodatacow, compression disabled [ 42.613871][ T4563] BTRFS info (device loop0): turning on flush-on-commit [ 42.615025][ T4563] BTRFS info (device loop0): disabling tree log [ 42.616056][ T4563] BTRFS info (device loop0): enabling auto defrag [ 42.617081][ T4563] BTRFS info (device loop0): using free space tree [ 42.618179][ T4563] BTRFS info (device loop0): has skinny extents [ 42.628167][ T4563] BTRFS info (device loop0): enabling ssd optimizations [ 42.634721][ T4563] FAULT_INJECTION: forcing a failure. [ 42.634721][ T4563] name failslab, interval 1, probability 0, space 0, times 0 [ 42.637207][ T4563] CPU: 1 PID: 4563 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.638780][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.640714][ T4563] Call trace: [ 42.641302][ T4563] dump_backtrace+0x0/0x458 [ 42.642142][ T4563] show_stack+0x2c/0x3c [ 42.642851][ T4563] __dump_stack+0x30/0x40 [ 42.643601][ T4563] dump_stack_lvl+0xf4/0x15c [ 42.644415][ T4563] dump_stack+0x1c/0x5c [ 42.645161][ T4563] should_fail+0x3c8/0x520 [ 42.645905][ T4563] __should_failslab+0xbc/0x10c [ 42.646776][ T4563] should_failslab+0x10/0x28 [ 42.647598][ T4563] slab_pre_alloc_hook+0x64/0xe8 [ 42.648458][ T4563] kmem_cache_alloc+0x94/0x3d8 [ 42.649322][ T4563] btrfs_add_delayed_data_ref+0x174/0xd64 [ 42.650336][ T4563] btrfs_inc_extent_ref+0xfc/0x188 [ 42.651225][ T4563] btrfs_insert_replace_extent+0x684/0x9b0 [ 42.652227][ T4563] btrfs_replace_file_extents+0x8a8/0x1284 [ 42.653273][ T4563] btrfs_clone+0xb6c/0x1dd4 [ 42.654111][ T4563] btrfs_clone_files+0x26c/0x314 [ 42.654981][ T4563] btrfs_remap_file_range+0x478/0xb8c [ 42.655972][ T4563] vfs_copy_file_range+0xa08/0x1058 [ 42.656905][ T4563] __arm64_sys_copy_file_range+0x538/0x8bc [ 42.657943][ T4563] invoke_syscall+0x98/0x28c [ 42.658750][ T4563] el0_svc_common+0x13c/0x258 [ 42.659603][ T4563] do_el0_svc+0x5c/0x140 [ 42.660389][ T4563] el0_svc+0x78/0x1d4 [ 42.661118][ T4563] el0t_64_sync_handler+0xcc/0xe4 [ 42.662040][ T4563] el0t_64_sync+0x1a0/0x1a4 [ 42.665886][ T4563] ------------[ cut here ]------------ [ 42.666914][ T4563] WARNING: CPU: 1 PID: 4563 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 42.668666][ T4563] Modules linked in: [ 42.669361][ T4563] CPU: 1 PID: 4563 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.670943][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.672651][ T4563] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.674039][ T4563] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 42.675117][ T4563] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 42.676246][ T4563] sp : ffff80001fee7460 [ 42.676974][ T4563] x29: ffff80001fee7580 x28: 00000000fffffff4 x27: ffff80001fee78d0 [ 42.678416][ T4563] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700003fdce9c [ 42.679898][ T4563] x23: ffff0000e2555850 x22: ffff0000dede08f0 x21: ffff0000c1711f00 [ 42.681331][ T4563] x20: 1fffe0001bdbc129 x19: ffff0000dede0948 x18: 0000000000000000 [ 42.682784][ T4563] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 42.684258][ T4563] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 42.685932][ T4563] x11: ff80800008302588 x10: 0000000000000000 x9 : 4655cc1e9dd5b600 [ 42.687603][ T4563] x8 : 4655cc1e9dd5b600 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.689142][ T4563] x5 : ffff80001fee6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 42.690641][ T4563] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.692152][ T4563] Call trace: [ 42.692743][ T4563] btrfs_replace_file_extents+0xd18/0x1284 [ 42.693785][ T4563] btrfs_clone+0xb6c/0x1dd4 [ 42.694597][ T4563] btrfs_clone_files+0x26c/0x314 [ 42.695529][ T4563] btrfs_remap_file_range+0x478/0xb8c [ 42.696458][ T4563] vfs_copy_file_range+0xa08/0x1058 [ 42.697438][ T4563] __arm64_sys_copy_file_range+0x538/0x8bc [ 42.698481][ T4563] invoke_syscall+0x98/0x28c [ 42.699315][ T4563] el0_svc_common+0x13c/0x258 [ 42.700193][ T4563] do_el0_svc+0x5c/0x140 [ 42.700975][ T4563] el0_svc+0x78/0x1d4 [ 42.701702][ T4563] el0t_64_sync_handler+0xcc/0xe4 [ 42.702624][ T4563] el0t_64_sync+0x1a0/0x1a4 [ 42.703485][ T4563] irq event stamp: 80818 [ 42.704253][ T4563] hardirqs last enabled at (80817): [] __up_console_sem+0xb4/0xfc [ 42.705980][ T4563] hardirqs last disabled at (80818): [] el1_dbg+0x24/0x80 [ 42.707552][ T4563] softirqs last enabled at (80798): [] handle_softirqs+0xa70/0xc14 [ 42.709255][ T4563] softirqs last disabled at (80781): [] __irq_exit_rcu+0x240/0x434 [ 42.711000][ T4563] ---[ end trace 9aa7eb689a771ca0 ]--- [ 42.712805][ T4563] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 42.714572][ T4563] BTRFS info (device loop0): forced readonly [ 42.908144][ T4596] loop0: detected capacity change from 0 to 32768 [ 42.911430][ T4596] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4596) [ 42.915100][ T4596] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 42.917694][ T4596] BTRFS info (device loop0): setting nodatacow, compression disabled [ 42.919642][ T4596] BTRFS info (device loop0): turning on flush-on-commit [ 42.920903][ T4596] BTRFS info (device loop0): disabling tree log [ 42.922087][ T4596] BTRFS info (device loop0): enabling auto defrag [ 42.923389][ T4596] BTRFS info (device loop0): using free space tree [ 42.924584][ T4596] BTRFS info (device loop0): has skinny extents [ 42.934884][ T4596] BTRFS info (device loop0): enabling ssd optimizations [ 42.941829][ T4596] FAULT_INJECTION: forcing a failure. [ 42.941829][ T4596] name failslab, interval 1, probability 0, space 0, times 0 [ 42.944462][ T4596] CPU: 1 PID: 4596 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.946054][ T4596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.947975][ T4596] Call trace: [ 42.948578][ T4596] dump_backtrace+0x0/0x458 [ 42.949468][ T4596] show_stack+0x2c/0x3c [ 42.950288][ T4596] __dump_stack+0x30/0x40 [ 42.951154][ T4596] dump_stack_lvl+0xf4/0x15c [ 42.952062][ T4596] dump_stack+0x1c/0x5c [ 42.952872][ T4596] should_fail+0x3c8/0x520 [ 42.953737][ T4596] __should_failslab+0xbc/0x10c [ 42.954684][ T4596] should_failslab+0x10/0x28 [ 42.955585][ T4596] slab_pre_alloc_hook+0x64/0xe8 [ 42.956541][ T4596] kmem_cache_alloc+0x94/0x3d8 [ 42.957546][ T4596] alloc_extent_map+0x28/0x128 [ 42.958548][ T4596] btrfs_drop_extent_cache+0x160/0xd60 [ 42.959683][ T4596] btrfs_drop_extents+0x2e8/0x2338 [ 42.960677][ T4596] btrfs_replace_file_extents+0x340/0x1284 [ 42.961773][ T4596] btrfs_clone+0xb6c/0x1dd4 [ 42.962645][ T4596] btrfs_clone_files+0x26c/0x314 [ 42.963569][ T4596] btrfs_remap_file_range+0x478/0xb8c [ 42.964569][ T4596] vfs_copy_file_range+0xa08/0x1058 [ 42.965544][ T4596] __arm64_sys_copy_file_range+0x538/0x8bc [ 42.966613][ T4596] invoke_syscall+0x98/0x28c [ 42.967440][ T4596] el0_svc_common+0x13c/0x258 [ 42.968295][ T4596] do_el0_svc+0x5c/0x140 [ 42.969074][ T4596] el0_svc+0x78/0x1d4 [ 42.969820][ T4596] el0t_64_sync_handler+0xcc/0xe4 [ 42.970722][ T4596] el0t_64_sync+0x1a0/0x1a4 [ 43.161387][ T4618] loop0: detected capacity change from 0 to 32768 [ 43.164340][ T4618] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4618) [ 43.167867][ T4618] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 43.169690][ T4618] BTRFS info (device loop0): setting nodatacow, compression disabled [ 43.171038][ T4618] BTRFS info (device loop0): turning on flush-on-commit [ 43.172186][ T4618] BTRFS info (device loop0): disabling tree log [ 43.173302][ T4618] BTRFS info (device loop0): enabling auto defrag [ 43.174388][ T4618] BTRFS info (device loop0): using free space tree [ 43.175534][ T4618] BTRFS info (device loop0): has skinny extents [ 43.188928][ T4618] BTRFS info (device loop0): enabling ssd optimizations [ 43.195695][ T4618] FAULT_INJECTION: forcing a failure. [ 43.195695][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 43.198179][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.199909][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.201746][ T4618] Call trace: [ 43.202435][ T4618] dump_backtrace+0x0/0x458 [ 43.203365][ T4618] show_stack+0x2c/0x3c [ 43.204250][ T4618] __dump_stack+0x30/0x40 [ 43.205118][ T4618] dump_stack_lvl+0xf4/0x15c [ 43.205973][ T4618] dump_stack+0x1c/0x5c [ 43.206779][ T4618] should_fail+0x3c8/0x520 [ 43.207621][ T4618] __should_failslab+0xbc/0x10c [ 43.208546][ T4618] should_failslab+0x10/0x28 [ 43.209423][ T4618] slab_pre_alloc_hook+0x64/0xe8 [ 43.210318][ T4618] kmem_cache_alloc+0x94/0x3d8 [ 43.211163][ T4618] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 43.212175][ T4618] btrfs_inc_extent_ref+0xfc/0x188 [ 43.213104][ T4618] btrfs_insert_replace_extent+0x684/0x9b0 [ 43.214143][ T4618] btrfs_replace_file_extents+0x8a8/0x1284 [ 43.215215][ T4618] btrfs_clone+0xb6c/0x1dd4 [ 43.216033][ T4618] btrfs_clone_files+0x26c/0x314 [ 43.216963][ T4618] btrfs_remap_file_range+0x478/0xb8c [ 43.217939][ T4618] vfs_copy_file_range+0xa08/0x1058 [ 43.218846][ T4618] __arm64_sys_copy_file_range+0x538/0x8bc [ 43.219920][ T4618] invoke_syscall+0x98/0x28c [ 43.220727][ T4618] el0_svc_common+0x13c/0x258 [ 43.221544][ T4618] do_el0_svc+0x5c/0x140 [ 43.222252][ T4618] el0_svc+0x78/0x1d4 [ 43.222975][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 43.223939][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 43.226130][ T4618] ------------[ cut here ]------------ [ 43.227188][ T4618] WARNING: CPU: 1 PID: 4618 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 43.229059][ T4618] Modules linked in: [ 43.229851][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.231530][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.233461][ T4618] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.234944][ T4618] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 43.236041][ T4618] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 43.237160][ T4618] sp : ffff80001f817460 [ 43.237960][ T4618] x29: ffff80001f817580 x28: 00000000fffffff4 x27: ffff80001f8178d0 [ 43.239401][ T4618] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700003f02e9c [ 43.240788][ T4618] x23: ffff0000dec49d70 x22: ffff0000dede0dc0 x21: ffff0000ce9ff200 [ 43.242247][ T4618] x20: 1fffe0001bdbc1c3 x19: ffff0000dede0e18 x18: 0000000000000000 [ 43.243679][ T4618] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 43.245061][ T4618] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 43.246529][ T4618] x11: ff80800008302588 x10: 0000000000000000 x9 : ac87b0028f897700 [ 43.247938][ T4618] x8 : ac87b0028f897700 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.249423][ T4618] x5 : ffff80001f816d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 43.250840][ T4618] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.252320][ T4618] Call trace: [ 43.252894][ T4618] btrfs_replace_file_extents+0xd18/0x1284 [ 43.253928][ T4618] btrfs_clone+0xb6c/0x1dd4 [ 43.254865][ T4618] btrfs_clone_files+0x26c/0x314 [ 43.255873][ T4618] btrfs_remap_file_range+0x478/0xb8c [ 43.256982][ T4618] vfs_copy_file_range+0xa08/0x1058 [ 43.258011][ T4618] __arm64_sys_copy_file_range+0x538/0x8bc [ 43.259138][ T4618] invoke_syscall+0x98/0x28c [ 43.260033][ T4618] el0_svc_common+0x13c/0x258 [ 43.260993][ T4618] do_el0_svc+0x5c/0x140 [ 43.261777][ T4618] el0_svc+0x78/0x1d4 [ 43.262522][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 43.263451][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 43.264250][ T4618] irq event stamp: 80088 [ 43.265055][ T4618] hardirqs last enabled at (80087): [] __up_console_sem+0xb4/0xfc [ 43.266712][ T4618] hardirqs last disabled at (80088): [] el1_dbg+0x24/0x80 [ 43.268317][ T4618] softirqs last enabled at (80066): [] handle_softirqs+0xa70/0xc14 [ 43.269952][ T4618] softirqs last disabled at (79989): [] __irq_exit_rcu+0x240/0x434 [ 43.271613][ T4618] ---[ end trace 9aa7eb689a771ca1 ]--- [ 43.272783][ T4618] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 43.274555][ T4618] BTRFS info (device loop0): forced readonly [ 43.459158][ T4643] loop0: detected capacity change from 0 to 32768 [ 43.463144][ T4643] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4643) [ 43.471378][ T4643] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 43.472973][ T4643] BTRFS info (device loop0): setting nodatacow, compression disabled [ 43.474464][ T4643] BTRFS info (device loop0): turning on flush-on-commit [ 43.475761][ T4643] BTRFS info (device loop0): disabling tree log [ 43.476830][ T4643] BTRFS info (device loop0): enabling auto defrag [ 43.477904][ T4643] BTRFS info (device loop0): using free space tree [ 43.479137][ T4643] BTRFS info (device loop0): has skinny extents [ 43.495851][ T4643] BTRFS info (device loop0): enabling ssd optimizations [ 43.502756][ T4643] FAULT_INJECTION: forcing a failure. [ 43.502756][ T4643] name failslab, interval 1, probability 0, space 0, times 0 [ 43.505220][ T4643] CPU: 0 PID: 4643 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.506682][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.508383][ T4643] Call trace: [ 43.508947][ T4643] dump_backtrace+0x0/0x458 [ 43.509760][ T4643] show_stack+0x2c/0x3c [ 43.510495][ T4643] __dump_stack+0x30/0x40 [ 43.511273][ T4643] dump_stack_lvl+0xf4/0x15c [ 43.512096][ T4643] dump_stack+0x1c/0x5c [ 43.512824][ T4643] should_fail+0x3c8/0x520 [ 43.513590][ T4643] __should_failslab+0xbc/0x10c [ 43.514432][ T4643] should_failslab+0x10/0x28 [ 43.515222][ T4643] slab_pre_alloc_hook+0x64/0xe8 [ 43.516081][ T4643] kmem_cache_alloc+0x94/0x3d8 [ 43.516923][ T4643] btrfs_add_delayed_data_ref+0x174/0xd64 [ 43.517902][ T4643] btrfs_inc_extent_ref+0xfc/0x188 [ 43.518792][ T4643] btrfs_insert_replace_extent+0x684/0x9b0 [ 43.519806][ T4643] btrfs_replace_file_extents+0x8a8/0x1284 [ 43.520833][ T4643] btrfs_clone+0xb6c/0x1dd4 [ 43.521621][ T4643] btrfs_clone_files+0x26c/0x314 [ 43.522453][ T4643] btrfs_remap_file_range+0x478/0xb8c [ 43.523346][ T4643] vfs_copy_file_range+0xa08/0x1058 [ 43.524284][ T4643] __arm64_sys_copy_file_range+0x538/0x8bc [ 43.525197][ T4643] invoke_syscall+0x98/0x28c [ 43.525970][ T4643] el0_svc_common+0x13c/0x258 [ 43.526773][ T4643] do_el0_svc+0x5c/0x140 [ 43.527516][ T4643] el0_svc+0x78/0x1d4 [ 43.528198][ T4643] el0t_64_sync_handler+0xcc/0xe4 [ 43.529026][ T4643] el0t_64_sync+0x1a0/0x1a4 [ 43.530600][ T4643] ------------[ cut here ]------------ [ 43.531729][ T4643] WARNING: CPU: 1 PID: 4643 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 43.533393][ T4643] Modules linked in: [ 43.534056][ T4643] CPU: 1 PID: 4643 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.535606][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.537254][ T4643] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.538541][ T4643] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 43.539705][ T4643] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 43.540838][ T4643] sp : ffff80001ffa7460 [ 43.541602][ T4643] x29: ffff80001ffa7580 x28: 00000000fffffff4 x27: ffff80001ffa78d0 [ 43.543026][ T4643] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700003ff4e9c [ 43.544517][ T4643] x23: ffff0000deedc4b0 x22: ffff0000ded6f840 x21: ffff0000ced26700 [ 43.545984][ T4643] x20: 1fffe0001bdadf13 x19: ffff0000ded6f898 x18: 0000000000000000 [ 43.547453][ T4643] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 43.548835][ T4643] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 43.550282][ T4643] x11: ff80800008302588 x10: 0000000000000000 x9 : 3754c8347d8dc500 [ 43.551738][ T4643] x8 : 3754c8347d8dc500 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.553189][ T4643] x5 : ffff80001ffa6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 43.554846][ T4643] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.556517][ T4643] Call trace: [ 43.557114][ T4643] btrfs_replace_file_extents+0xd18/0x1284 [ 43.558188][ T4643] btrfs_clone+0xb6c/0x1dd4 [ 43.559143][ T4643] btrfs_clone_files+0x26c/0x314 [ 43.560076][ T4643] btrfs_remap_file_range+0x478/0xb8c [ 43.561117][ T4643] vfs_copy_file_range+0xa08/0x1058 [ 43.562151][ T4643] __arm64_sys_copy_file_range+0x538/0x8bc [ 43.563277][ T4643] invoke_syscall+0x98/0x28c [ 43.564092][ T4643] el0_svc_common+0x13c/0x258 [ 43.564961][ T4643] do_el0_svc+0x5c/0x140 [ 43.565726][ T4643] el0_svc+0x78/0x1d4 [ 43.566447][ T4643] el0t_64_sync_handler+0xcc/0xe4 [ 43.567305][ T4643] el0t_64_sync+0x1a0/0x1a4 [ 43.568127][ T4643] irq event stamp: 79458 [ 43.568849][ T4643] hardirqs last enabled at (79457): [] __up_console_sem+0xb4/0xfc [ 43.570478][ T4643] hardirqs last disabled at (79458): [] el1_dbg+0x24/0x80 [ 43.571971][ T4643] softirqs last enabled at (79438): [] handle_softirqs+0xa70/0xc14 [ 43.573655][ T4643] softirqs last disabled at (79381): [] __irq_exit_rcu+0x240/0x434 [ 43.575315][ T4643] ---[ end trace 9aa7eb689a771ca2 ]--- [ 43.577785][ T4643] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 43.579684][ T4643] BTRFS info (device loop0): forced readonly [ 43.764707][ T4664] loop0: detected capacity change from 0 to 32768 [ 43.769976][ T4664] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4664) [ 43.775849][ T4664] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 43.777657][ T4664] BTRFS info (device loop0): setting nodatacow, compression disabled [ 43.779347][ T4664] BTRFS info (device loop0): turning on flush-on-commit [ 43.780651][ T4664] BTRFS info (device loop0): disabling tree log [ 43.781656][ T4664] BTRFS info (device loop0): enabling auto defrag [ 43.782927][ T4664] BTRFS info (device loop0): using free space tree [ 43.784121][ T4664] BTRFS info (device loop0): has skinny extents [ 43.795124][ T4664] BTRFS info (device loop0): enabling ssd optimizations [ 43.801819][ T4664] FAULT_INJECTION: forcing a failure. [ 43.801819][ T4664] name failslab, interval 1, probability 0, space 0, times 0 [ 43.804273][ T4664] CPU: 1 PID: 4664 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.805802][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.807687][ T4664] Call trace: [ 43.808314][ T4664] dump_backtrace+0x0/0x458 [ 43.809176][ T4664] show_stack+0x2c/0x3c [ 43.809919][ T4664] __dump_stack+0x30/0x40 [ 43.810693][ T4664] dump_stack_lvl+0xf4/0x15c [ 43.811560][ T4664] dump_stack+0x1c/0x5c [ 43.812317][ T4664] should_fail+0x3c8/0x520 [ 43.813126][ T4664] __should_failslab+0xbc/0x10c [ 43.813981][ T4664] should_failslab+0x10/0x28 [ 43.814806][ T4664] slab_pre_alloc_hook+0x64/0xe8 [ 43.815700][ T4664] kmem_cache_alloc+0x94/0x3d8 [ 43.816585][ T4664] btrfs_add_delayed_data_ref+0x174/0xd64 [ 43.817626][ T4664] btrfs_inc_extent_ref+0xfc/0x188 [ 43.818534][ T4664] btrfs_insert_replace_extent+0x684/0x9b0 [ 43.819759][ T4664] btrfs_replace_file_extents+0x8a8/0x1284 [ 43.820968][ T4664] btrfs_clone+0xb6c/0x1dd4 [ 43.821898][ T4664] btrfs_clone_files+0x26c/0x314 [ 43.822937][ T4664] btrfs_remap_file_range+0x478/0xb8c [ 43.823986][ T4664] vfs_copy_file_range+0xa08/0x1058 [ 43.825015][ T4664] __arm64_sys_copy_file_range+0x538/0x8bc [ 43.826148][ T4664] invoke_syscall+0x98/0x28c [ 43.827021][ T4664] el0_svc_common+0x13c/0x258 [ 43.827906][ T4664] do_el0_svc+0x5c/0x140 [ 43.828786][ T4664] el0_svc+0x78/0x1d4 [ 43.829475][ T4664] el0t_64_sync_handler+0xcc/0xe4 [ 43.830435][ T4664] el0t_64_sync+0x1a0/0x1a4 [ 43.833502][ T4664] ------------[ cut here ]------------ [ 43.834621][ T4664] WARNING: CPU: 1 PID: 4664 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 43.836450][ T4664] Modules linked in: [ 43.837129][ T4664] CPU: 1 PID: 4664 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.838764][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.840650][ T4664] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.842213][ T4664] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 43.843415][ T4664] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 43.844741][ T4664] sp : ffff80001fda7460 [ 43.845612][ T4664] x29: ffff80001fda7580 x28: 00000000fffffff4 x27: ffff80001fda78d0 [ 43.847229][ T4664] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700003fb4e9c [ 43.848774][ T4664] x23: ffff0000dec4c4b0 x22: ffff0000c066e0b0 x21: ffff0000cad37c00 [ 43.850484][ T4664] x20: 1fffe000180cdc21 x19: ffff0000c066e108 x18: 0000000000000000 [ 43.852194][ T4664] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 43.853886][ T4664] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 43.855482][ T4664] x11: ff80800008302588 x10: 0000000000000000 x9 : 81ca880119f0e800 [ 43.856969][ T4664] x8 : 81ca880119f0e800 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.858442][ T4664] x5 : ffff80001fda6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 43.859941][ T4664] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.861420][ T4664] Call trace: [ 43.862012][ T4664] btrfs_replace_file_extents+0xd18/0x1284 [ 43.863083][ T4664] btrfs_clone+0xb6c/0x1dd4 [ 43.863925][ T4664] btrfs_clone_files+0x26c/0x314 [ 43.864840][ T4664] btrfs_remap_file_range+0x478/0xb8c [ 43.865845][ T4664] vfs_copy_file_range+0xa08/0x1058 [ 43.866782][ T4664] __arm64_sys_copy_file_range+0x538/0x8bc [ 43.867814][ T4664] invoke_syscall+0x98/0x28c [ 43.868636][ T4664] el0_svc_common+0x13c/0x258 [ 43.869470][ T4664] do_el0_svc+0x5c/0x140 [ 43.870233][ T4664] el0_svc+0x78/0x1d4 [ 43.870928][ T4664] el0t_64_sync_handler+0xcc/0xe4 [ 43.871820][ T4664] el0t_64_sync+0x1a0/0x1a4 [ 43.872621][ T4664] irq event stamp: 79402 [ 43.873372][ T4664] hardirqs last enabled at (79401): [] __up_console_sem+0xb4/0xfc [ 43.875026][ T4664] hardirqs last disabled at (79402): [] el1_dbg+0x24/0x80 [ 43.876543][ T4664] softirqs last enabled at (79382): [] handle_softirqs+0xa70/0xc14 [ 43.878200][ T4664] softirqs last disabled at (79369): [] __irq_exit_rcu+0x240/0x434 [ 43.879832][ T4664] ---[ end trace 9aa7eb689a771ca3 ]--- [ 43.881767][ T4664] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 43.883726][ T4664] BTRFS info (device loop0): forced readonly [ 44.096218][ T4692] loop0: detected capacity change from 0 to 32768 [ 44.100715][ T4692] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4692) [ 44.105316][ T4692] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 44.106909][ T4692] BTRFS info (device loop0): setting nodatacow, compression disabled [ 44.108746][ T4692] BTRFS info (device loop0): turning on flush-on-commit [ 44.109969][ T4692] BTRFS info (device loop0): disabling tree log [ 44.111083][ T4692] BTRFS info (device loop0): enabling auto defrag [ 44.112186][ T4692] BTRFS info (device loop0): using free space tree [ 44.113401][ T4692] BTRFS info (device loop0): has skinny extents [ 44.127643][ T4692] BTRFS info (device loop0): enabling ssd optimizations [ 44.133605][ T4692] FAULT_INJECTION: forcing a failure. [ 44.133605][ T4692] name failslab, interval 1, probability 0, space 0, times 0 [ 44.136169][ T4692] CPU: 1 PID: 4692 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.137832][ T4692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.139814][ T4692] Call trace: [ 44.140459][ T4692] dump_backtrace+0x0/0x458 [ 44.141282][ T4692] show_stack+0x2c/0x3c [ 44.142018][ T4692] __dump_stack+0x30/0x40 [ 44.142803][ T4692] dump_stack_lvl+0xf4/0x15c [ 44.143682][ T4692] dump_stack+0x1c/0x5c [ 44.144454][ T4692] should_fail+0x3c8/0x520 [ 44.145257][ T4692] __should_failslab+0xbc/0x10c [ 44.146172][ T4692] should_failslab+0x10/0x28 [ 44.147044][ T4692] slab_pre_alloc_hook+0x64/0xe8 [ 44.147939][ T4692] kmem_cache_alloc+0x94/0x3d8 [ 44.148745][ T4692] btrfs_add_delayed_data_ref+0x174/0xd64 [ 44.149759][ T4692] btrfs_inc_extent_ref+0xfc/0x188 [ 44.150663][ T4692] btrfs_insert_replace_extent+0x684/0x9b0 [ 44.151638][ T4692] btrfs_replace_file_extents+0x8a8/0x1284 [ 44.152691][ T4692] btrfs_clone+0xb6c/0x1dd4 [ 44.153517][ T4692] btrfs_clone_files+0x26c/0x314 [ 44.154432][ T4692] btrfs_remap_file_range+0x478/0xb8c [ 44.155442][ T4692] vfs_copy_file_range+0xa08/0x1058 [ 44.156370][ T4692] __arm64_sys_copy_file_range+0x538/0x8bc [ 44.157393][ T4692] invoke_syscall+0x98/0x28c [ 44.158188][ T4692] el0_svc_common+0x13c/0x258 [ 44.159018][ T4692] do_el0_svc+0x5c/0x140 [ 44.159761][ T4692] el0_svc+0x78/0x1d4 [ 44.160454][ T4692] el0t_64_sync_handler+0xcc/0xe4 [ 44.161346][ T4692] el0t_64_sync+0x1a0/0x1a4 [ 44.163205][ T4692] ------------[ cut here ]------------ [ 44.164188][ T4692] WARNING: CPU: 1 PID: 4692 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 44.165804][ T4692] Modules linked in: [ 44.166471][ T4692] CPU: 1 PID: 4692 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.168011][ T4692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.169893][ T4692] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.171550][ T4692] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 44.172865][ T4692] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 44.174133][ T4692] sp : ffff8000202e7460 [ 44.174943][ T4692] x29: ffff8000202e7580 x28: 00000000fffffff4 x27: ffff8000202e78d0 [ 44.176660][ T4692] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000405ce9c [ 44.178311][ T4692] x23: ffff0000dec4e220 x22: ffff0000c066e370 x21: ffff0000d33ca000 [ 44.179934][ T4692] x20: 1fffe000180cdc79 x19: ffff0000c066e3c8 x18: 0000000000000000 [ 44.181597][ T4692] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 44.183155][ T4692] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 44.184788][ T4692] x11: ff80800008302588 x10: 0000000000000000 x9 : 36c44c4b05532700 [ 44.186337][ T4692] x8 : 36c44c4b05532700 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.187914][ T4692] x5 : ffff8000202e6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 44.189467][ T4692] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.191084][ T4692] Call trace: [ 44.191725][ T4692] btrfs_replace_file_extents+0xd18/0x1284 [ 44.192852][ T4692] btrfs_clone+0xb6c/0x1dd4 [ 44.193702][ T4692] btrfs_clone_files+0x26c/0x314 [ 44.194710][ T4692] btrfs_remap_file_range+0x478/0xb8c [ 44.195760][ T4692] vfs_copy_file_range+0xa08/0x1058 [ 44.196781][ T4692] __arm64_sys_copy_file_range+0x538/0x8bc [ 44.197871][ T4692] invoke_syscall+0x98/0x28c [ 44.198761][ T4692] el0_svc_common+0x13c/0x258 [ 44.199672][ T4692] do_el0_svc+0x5c/0x140 [ 44.200489][ T4692] el0_svc+0x78/0x1d4 [ 44.201230][ T4692] el0t_64_sync_handler+0xcc/0xe4 [ 44.202185][ T4692] el0t_64_sync+0x1a0/0x1a4 [ 44.203023][ T4692] irq event stamp: 79738 [ 44.203817][ T4692] hardirqs last enabled at (79737): [] __up_console_sem+0xb4/0xfc [ 44.205623][ T4692] hardirqs last disabled at (79738): [] el1_dbg+0x24/0x80 [ 44.207290][ T4692] softirqs last enabled at (79718): [] handle_softirqs+0xa70/0xc14 [ 44.209195][ T4692] softirqs last disabled at (79699): [] __irq_exit_rcu+0x240/0x434 [ 44.210991][ T4692] ---[ end trace 9aa7eb689a771ca4 ]--- [ 44.213091][ T4692] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 44.214933][ T4692] BTRFS info (device loop0): forced readonly [ 44.397752][ T4713] loop0: detected capacity change from 0 to 32768 [ 44.400958][ T4713] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4713) [ 44.405484][ T4713] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 44.407328][ T4713] BTRFS info (device loop0): setting nodatacow, compression disabled [ 44.408769][ T4435] Bluetooth: hci0: command 0x041b tx timeout [ 44.409193][ T4713] BTRFS info (device loop0): turning on flush-on-commit [ 44.411358][ T4713] BTRFS info (device loop0): disabling tree log [ 44.412581][ T4713] BTRFS info (device loop0): enabling auto defrag [ 44.413898][ T4713] BTRFS info (device loop0): using free space tree [ 44.415190][ T4713] BTRFS info (device loop0): has skinny extents [ 44.425803][ T4713] BTRFS info (device loop0): enabling ssd optimizations [ 44.432404][ T4713] FAULT_INJECTION: forcing a failure. [ 44.432404][ T4713] name failslab, interval 1, probability 0, space 0, times 0 [ 44.434854][ T4713] CPU: 1 PID: 4713 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.436376][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.438225][ T4713] Call trace: [ 44.438815][ T4713] dump_backtrace+0x0/0x458 [ 44.439634][ T4713] show_stack+0x2c/0x3c [ 44.440376][ T4713] __dump_stack+0x30/0x40 [ 44.441171][ T4713] dump_stack_lvl+0xf4/0x15c [ 44.441989][ T4713] dump_stack+0x1c/0x5c [ 44.442724][ T4713] should_fail+0x3c8/0x520 [ 44.443526][ T4713] __should_failslab+0xbc/0x10c [ 44.444392][ T4713] should_failslab+0x10/0x28 [ 44.445171][ T4713] slab_pre_alloc_hook+0x64/0xe8 [ 44.446031][ T4713] kmem_cache_alloc+0x94/0x3d8 [ 44.446903][ T4713] btrfs_add_delayed_data_ref+0x174/0xd64 [ 44.447911][ T4713] btrfs_inc_extent_ref+0xfc/0x188 [ 44.448838][ T4713] btrfs_insert_replace_extent+0x684/0x9b0 [ 44.449917][ T4713] btrfs_replace_file_extents+0x8a8/0x1284 [ 44.450957][ T4713] btrfs_clone+0xb6c/0x1dd4 [ 44.451781][ T4713] btrfs_clone_files+0x26c/0x314 [ 44.452662][ T4713] btrfs_remap_file_range+0x478/0xb8c [ 44.453635][ T4713] vfs_copy_file_range+0xa08/0x1058 [ 44.454552][ T4713] __arm64_sys_copy_file_range+0x538/0x8bc [ 44.455591][ T4713] invoke_syscall+0x98/0x28c [ 44.456402][ T4713] el0_svc_common+0x13c/0x258 [ 44.457275][ T4713] do_el0_svc+0x5c/0x140 [ 44.458044][ T4713] el0_svc+0x78/0x1d4 [ 44.458791][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 44.459682][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 44.461016][ T4713] ------------[ cut here ]------------ [ 44.462604][ T4713] WARNING: CPU: 1 PID: 4713 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 44.464512][ T4713] Modules linked in: [ 44.465284][ T4713] CPU: 1 PID: 4713 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.467099][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.469052][ T4713] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.470630][ T4713] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 44.471858][ T4713] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 44.472957][ T4713] sp : ffff8000202e7460 [ 44.473673][ T4713] x29: ffff8000202e7580 x28: 00000000fffffff4 x27: ffff8000202e78d0 [ 44.475113][ T4713] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000405ce9c [ 44.476575][ T4713] x23: ffff0000dec38000 x22: ffff0000c066e580 x21: ffff0000c9350200 [ 44.478028][ T4713] x20: 1fffe000180cdcbb x19: ffff0000c066e5d8 x18: 0000000000000000 [ 44.479488][ T4713] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 44.480945][ T4713] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 44.482353][ T4713] x11: ff80800008302588 x10: 0000000000000000 x9 : 9f5abda911e6d600 [ 44.483824][ T4713] x8 : 9f5abda911e6d600 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.485406][ T4713] x5 : ffff8000202e6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 44.486894][ T4713] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.488380][ T4713] Call trace: [ 44.488988][ T4713] btrfs_replace_file_extents+0xd18/0x1284 [ 44.490096][ T4713] btrfs_clone+0xb6c/0x1dd4 [ 44.490954][ T4713] btrfs_clone_files+0x26c/0x314 [ 44.491869][ T4713] btrfs_remap_file_range+0x478/0xb8c [ 44.492884][ T4713] vfs_copy_file_range+0xa08/0x1058 [ 44.493823][ T4713] __arm64_sys_copy_file_range+0x538/0x8bc [ 44.494876][ T4713] invoke_syscall+0x98/0x28c [ 44.495714][ T4713] el0_svc_common+0x13c/0x258 [ 44.496564][ T4713] do_el0_svc+0x5c/0x140 [ 44.497334][ T4713] el0_svc+0x78/0x1d4 [ 44.498044][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 44.499005][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 44.499773][ T4713] irq event stamp: 79562 [ 44.500584][ T4713] hardirqs last enabled at (79561): [] __up_console_sem+0xb4/0xfc [ 44.502293][ T4713] hardirqs last disabled at (79562): [] el1_dbg+0x24/0x80 [ 44.503834][ T4713] softirqs last enabled at (79538): [] handle_softirqs+0xa70/0xc14 [ 44.505481][ T4713] softirqs last disabled at (79497): [] __irq_exit_rcu+0x240/0x434 [ 44.507176][ T4713] ---[ end trace 9aa7eb689a771ca5 ]--- [ 44.508912][ T4713] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 44.510653][ T4713] BTRFS info (device loop0): forced readonly [ 44.704605][ T4734] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4734) [ 44.708187][ T4734] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 44.710684][ T4734] BTRFS info (device loop0): setting nodatacow, compression disabled [ 44.712203][ T4734] BTRFS info (device loop0): turning on flush-on-commit [ 44.713556][ T4734] BTRFS info (device loop0): disabling tree log [ 44.714829][ T4734] BTRFS info (device loop0): enabling auto defrag [ 44.716138][ T4734] BTRFS info (device loop0): using free space tree [ 44.717406][ T4734] BTRFS info (device loop0): has skinny extents [ 44.731174][ T4734] BTRFS info (device loop0): enabling ssd optimizations [ 44.736761][ T4734] FAULT_INJECTION: forcing a failure. [ 44.736761][ T4734] name failslab, interval 1, probability 0, space 0, times 0 [ 44.739525][ T4734] CPU: 1 PID: 4734 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.741106][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.742858][ T4734] Call trace: [ 44.743411][ T4734] dump_backtrace+0x0/0x458 [ 44.744225][ T4734] show_stack+0x2c/0x3c [ 44.744974][ T4734] __dump_stack+0x30/0x40 [ 44.745661][ T4734] dump_stack_lvl+0xf4/0x15c [ 44.746412][ T4734] dump_stack+0x1c/0x5c [ 44.747087][ T4734] should_fail+0x3c8/0x520 [ 44.747805][ T4734] __should_failslab+0xbc/0x10c [ 44.748599][ T4734] should_failslab+0x10/0x28 [ 44.749474][ T4734] slab_pre_alloc_hook+0x64/0xe8 [ 44.750360][ T4734] kmem_cache_alloc+0x94/0x3d8 [ 44.751218][ T4734] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 44.752230][ T4734] btrfs_inc_extent_ref+0xfc/0x188 [ 44.753142][ T4734] btrfs_insert_replace_extent+0x684/0x9b0 [ 44.754174][ T4734] btrfs_replace_file_extents+0x8a8/0x1284 [ 44.755195][ T4734] btrfs_clone+0xb6c/0x1dd4 [ 44.755988][ T4734] btrfs_clone_files+0x26c/0x314 [ 44.756922][ T4734] btrfs_remap_file_range+0x478/0xb8c [ 44.757934][ T4734] vfs_copy_file_range+0xa08/0x1058 [ 44.758954][ T4734] __arm64_sys_copy_file_range+0x538/0x8bc [ 44.759990][ T4734] invoke_syscall+0x98/0x28c [ 44.760881][ T4734] el0_svc_common+0x13c/0x258 [ 44.761776][ T4734] do_el0_svc+0x5c/0x140 [ 44.762599][ T4734] el0_svc+0x78/0x1d4 [ 44.763329][ T4734] el0t_64_sync_handler+0xcc/0xe4 [ 44.764231][ T4734] el0t_64_sync+0x1a0/0x1a4 [ 44.766362][ T4734] ------------[ cut here ]------------ [ 44.767516][ T4734] WARNING: CPU: 1 PID: 4734 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 44.769465][ T4734] Modules linked in: [ 44.770159][ T4734] CPU: 1 PID: 4734 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.771850][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.773597][ T4734] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.775003][ T4734] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 44.776128][ T4734] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 44.777447][ T4734] sp : ffff800020307460 [ 44.778264][ T4734] x29: ffff800020307580 x28: 00000000fffffff4 x27: ffff8000203078d0 [ 44.779885][ T4734] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700004060e9c [ 44.781463][ T4734] x23: ffff0000dec39d70 x22: ffff0000c066e840 x21: ffff0000c9763400 [ 44.783038][ T4734] x20: 1fffe000180cdd13 x19: ffff0000c066e898 x18: 0000000000000000 [ 44.784497][ T4734] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 44.785950][ T4734] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 44.787402][ T4734] x11: ff80800008302588 x10: 0000000000000000 x9 : 85363975561d3f00 [ 44.788928][ T4734] x8 : 85363975561d3f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.790459][ T4734] x5 : ffff800020306d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 44.792005][ T4734] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.793511][ T4734] Call trace: [ 44.794119][ T4734] btrfs_replace_file_extents+0xd18/0x1284 [ 44.795185][ T4734] btrfs_clone+0xb6c/0x1dd4 [ 44.796007][ T4734] btrfs_clone_files+0x26c/0x314 [ 44.796913][ T4734] btrfs_remap_file_range+0x478/0xb8c [ 44.797904][ T4734] vfs_copy_file_range+0xa08/0x1058 [ 44.798840][ T4734] __arm64_sys_copy_file_range+0x538/0x8bc [ 44.799907][ T4734] invoke_syscall+0x98/0x28c [ 44.800776][ T4734] el0_svc_common+0x13c/0x258 [ 44.801628][ T4734] do_el0_svc+0x5c/0x140 [ 44.802408][ T4734] el0_svc+0x78/0x1d4 [ 44.803133][ T4734] el0t_64_sync_handler+0xcc/0xe4 [ 44.804023][ T4734] el0t_64_sync+0x1a0/0x1a4 [ 44.804851][ T4734] irq event stamp: 79600 [ 44.805624][ T4734] hardirqs last enabled at (79599): [] __up_console_sem+0xb4/0xfc [ 44.807337][ T4734] hardirqs last disabled at (79600): [] el1_dbg+0x24/0x80 [ 44.809164][ T4734] softirqs last enabled at (79578): [] handle_softirqs+0xa70/0xc14 [ 44.810973][ T4734] softirqs last disabled at (79537): [] __irq_exit_rcu+0x240/0x434 [ 44.812784][ T4734] ---[ end trace 9aa7eb689a771ca6 ]--- [ 44.814580][ T4734] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 44.816431][ T4734] BTRFS info (device loop0): forced readonly [ 44.992002][ T4755] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4755) [ 44.995432][ T4755] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 44.997111][ T4755] BTRFS info (device loop0): setting nodatacow, compression disabled [ 44.999036][ T4755] BTRFS info (device loop0): turning on flush-on-commit [ 45.000454][ T4755] BTRFS info (device loop0): disabling tree log [ 45.013597][ T4755] FAULT_INJECTION: forcing a failure. [ 45.013597][ T4755] name failslab, interval 1, probability 0, space 0, times 0 [ 45.016116][ T4755] CPU: 1 PID: 4755 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.017702][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.019579][ T4755] Call trace: [ 45.020206][ T4755] dump_backtrace+0x0/0x458 [ 45.021053][ T4755] show_stack+0x2c/0x3c [ 45.021845][ T4755] __dump_stack+0x30/0x40 [ 45.022646][ T4755] dump_stack_lvl+0xf4/0x15c [ 45.023469][ T4755] dump_stack+0x1c/0x5c [ 45.024206][ T4755] should_fail+0x3c8/0x520 [ 45.025007][ T4755] __should_failslab+0xbc/0x10c [ 45.025877][ T4755] should_failslab+0x10/0x28 [ 45.026688][ T4755] slab_pre_alloc_hook+0x64/0xe8 [ 45.027578][ T4755] kmem_cache_alloc+0x94/0x3d8 [ 45.028450][ T4755] btrfs_add_delayed_data_ref+0x174/0xd64 [ 45.029485][ T4755] btrfs_inc_extent_ref+0xfc/0x188 [ 45.030429][ T4755] btrfs_insert_replace_extent+0x684/0x9b0 [ 45.031479][ T4755] btrfs_replace_file_extents+0x8a8/0x1284 [ 45.032545][ T4755] btrfs_clone+0xb6c/0x1dd4 [ 45.033352][ T4755] btrfs_clone_files+0x26c/0x314 [ 45.034247][ T4755] btrfs_remap_file_range+0x478/0xb8c [ 45.035228][ T4755] vfs_copy_file_range+0xa08/0x1058 [ 45.036175][ T4755] __arm64_sys_copy_file_range+0x538/0x8bc [ 45.037215][ T4755] invoke_syscall+0x98/0x28c [ 45.038052][ T4755] el0_svc_common+0x13c/0x258 [ 45.038888][ T4755] do_el0_svc+0x5c/0x140 [ 45.039656][ T4755] el0_svc+0x78/0x1d4 [ 45.040382][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 45.041310][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 45.044366][ T4755] ------------[ cut here ]------------ [ 45.045437][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 45.047282][ T4755] Modules linked in: [ 45.047999][ T4755] CPU: 1 PID: 4755 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.049704][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.051513][ T4755] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.052950][ T4755] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 45.054060][ T4755] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 45.055216][ T4755] sp : ffff8000205c7460 [ 45.055996][ T4755] x29: ffff8000205c7580 x28: 00000000fffffff4 x27: ffff8000205c78d0 [ 45.057561][ T4755] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000040b8e9c [ 45.059070][ T4755] x23: ffff0000dec3c4b0 x22: ffff0000c066eb00 x21: ffff0000c89c3400 [ 45.060567][ T4755] x20: 1fffe000180cdd6b x19: ffff0000c066eb58 x18: 0000000000000000 [ 45.062022][ T4755] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 45.063476][ T4755] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 45.065170][ T4755] x11: ff80800008302588 x10: 0000000000000000 x9 : 39f9bb4fcc996900 [ 45.066914][ T4755] x8 : 39f9bb4fcc996900 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.068498][ T4755] x5 : ffff8000205c6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 45.070149][ T4755] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.071670][ T4755] Call trace: [ 45.072290][ T4755] btrfs_replace_file_extents+0xd18/0x1284 [ 45.073416][ T4755] btrfs_clone+0xb6c/0x1dd4 [ 45.074331][ T4755] btrfs_clone_files+0x26c/0x314 [ 45.075238][ T4755] btrfs_remap_file_range+0x478/0xb8c [ 45.076243][ T4755] vfs_copy_file_range+0xa08/0x1058 [ 45.077261][ T4755] __arm64_sys_copy_file_range+0x538/0x8bc [ 45.078338][ T4755] invoke_syscall+0x98/0x28c [ 45.079168][ T4755] el0_svc_common+0x13c/0x258 [ 45.080024][ T4755] do_el0_svc+0x5c/0x140 [ 45.080846][ T4755] el0_svc+0x78/0x1d4 [ 45.081611][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 45.082527][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 45.083364][ T4755] irq event stamp: 79172 [ 45.084148][ T4755] hardirqs last enabled at (79171): [] __up_console_sem+0xb4/0xfc [ 45.085857][ T4755] hardirqs last disabled at (79172): [] el1_dbg+0x24/0x80 [ 45.087514][ T4755] softirqs last enabled at (79152): [] handle_softirqs+0xa70/0xc14 [ 45.089212][ T4755] softirqs last disabled at (79095): [] __irq_exit_rcu+0x240/0x434 [ 45.090876][ T4755] ---[ end trace 9aa7eb689a771ca7 ]--- [ 45.093084][ T4755] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 45.293440][ T4776] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4776) [ 45.311198][ T4776] FAULT_INJECTION: forcing a failure. [ 45.311198][ T4776] name failslab, interval 1, probability 0, space 0, times 0 [ 45.313728][ T4776] CPU: 1 PID: 4776 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.315294][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.317189][ T4776] Call trace: [ 45.317789][ T4776] dump_backtrace+0x0/0x458 [ 45.318578][ T4776] show_stack+0x2c/0x3c [ 45.319325][ T4776] __dump_stack+0x30/0x40 [ 45.320095][ T4776] dump_stack_lvl+0xf4/0x15c [ 45.320980][ T4776] dump_stack+0x1c/0x5c [ 45.321751][ T4776] should_fail+0x3c8/0x520 [ 45.322607][ T4776] __should_failslab+0xbc/0x10c [ 45.323480][ T4776] should_failslab+0x10/0x28 [ 45.324341][ T4776] slab_pre_alloc_hook+0x64/0xe8 [ 45.325226][ T4776] kmem_cache_alloc+0x94/0x3d8 [ 45.326060][ T4776] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 45.327066][ T4776] btrfs_inc_extent_ref+0xfc/0x188 [ 45.327955][ T4776] btrfs_insert_replace_extent+0x684/0x9b0 [ 45.328993][ T4776] btrfs_replace_file_extents+0x8a8/0x1284 [ 45.330040][ T4776] btrfs_clone+0xb6c/0x1dd4 [ 45.330827][ T4776] btrfs_clone_files+0x26c/0x314 [ 45.331714][ T4776] btrfs_remap_file_range+0x478/0xb8c [ 45.332683][ T4776] vfs_copy_file_range+0xa08/0x1058 [ 45.333627][ T4776] __arm64_sys_copy_file_range+0x538/0x8bc [ 45.334693][ T4776] invoke_syscall+0x98/0x28c [ 45.335511][ T4776] el0_svc_common+0x13c/0x258 [ 45.336359][ T4776] do_el0_svc+0x5c/0x140 [ 45.337117][ T4776] el0_svc+0x78/0x1d4 [ 45.337842][ T4776] el0t_64_sync_handler+0xcc/0xe4 [ 45.338716][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 45.340768][ T4776] ------------[ cut here ]------------ [ 45.341815][ T4776] WARNING: CPU: 1 PID: 4776 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 45.343674][ T4776] Modules linked in: [ 45.344394][ T4776] CPU: 1 PID: 4776 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.346110][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.347879][ T4776] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.349312][ T4776] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 45.350439][ T4776] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 45.351546][ T4776] sp : ffff800020517460 [ 45.352292][ T4776] x29: ffff800020517580 x28: 00000000fffffff4 x27: ffff8000205178d0 [ 45.353962][ T4776] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000040a2e9c [ 45.355520][ T4776] x23: ffff0000dec3ebf0 x22: ffff0000c066edc0 x21: ffff0000caeb6c00 [ 45.357068][ T4776] x20: 1fffe000180cddc3 x19: ffff0000c066ee18 x18: 0000000000000000 [ 45.358606][ T4776] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 45.360175][ T4776] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 45.361613][ T4776] x11: ff80800008302588 x10: 0000000000000000 x9 : 46e83d783572ba00 [ 45.363078][ T4776] x8 : 46e83d783572ba00 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.364584][ T4776] x5 : ffff800020516d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 45.366087][ T4776] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.367514][ T4776] Call trace: [ 45.368101][ T4776] btrfs_replace_file_extents+0xd18/0x1284 [ 45.369111][ T4776] btrfs_clone+0xb6c/0x1dd4 [ 45.369941][ T4776] btrfs_clone_files+0x26c/0x314 [ 45.370877][ T4776] btrfs_remap_file_range+0x478/0xb8c [ 45.371798][ T4776] vfs_copy_file_range+0xa08/0x1058 [ 45.372798][ T4776] __arm64_sys_copy_file_range+0x538/0x8bc [ 45.373854][ T4776] invoke_syscall+0x98/0x28c [ 45.374675][ T4776] el0_svc_common+0x13c/0x258 [ 45.375527][ T4776] do_el0_svc+0x5c/0x140 [ 45.376314][ T4776] el0_svc+0x78/0x1d4 [ 45.377035][ T4776] el0t_64_sync_handler+0xcc/0xe4 [ 45.377957][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 45.378775][ T4776] irq event stamp: 79564 [ 45.379521][ T4776] hardirqs last enabled at (79563): [] __up_console_sem+0xb4/0xfc [ 45.381197][ T4776] hardirqs last disabled at (79564): [] el1_dbg+0x24/0x80 [ 45.382889][ T4776] softirqs last enabled at (79542): [] handle_softirqs+0xa70/0xc14 [ 45.384655][ T4776] softirqs last disabled at (79489): [] __irq_exit_rcu+0x240/0x434 [ 45.386390][ T4776] ---[ end trace 9aa7eb689a771ca8 ]--- [ 45.389421][ T4776] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory 1970/01/01 00:00:45 executed programs: 13 [ 45.566036][ T4797] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4797) [ 45.585720][ T4797] FAULT_INJECTION: forcing a failure. [ 45.585720][ T4797] name failslab, interval 1, probability 0, space 0, times 0 [ 45.587893][ T4797] CPU: 1 PID: 4797 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.589536][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.591374][ T4797] Call trace: [ 45.591934][ T4797] dump_backtrace+0x0/0x458 [ 45.592812][ T4797] show_stack+0x2c/0x3c [ 45.593550][ T4797] __dump_stack+0x30/0x40 [ 45.594311][ T4797] dump_stack_lvl+0xf4/0x15c [ 45.595134][ T4797] dump_stack+0x1c/0x5c [ 45.595907][ T4797] should_fail+0x3c8/0x520 [ 45.596731][ T4797] __should_failslab+0xbc/0x10c [ 45.597610][ T4797] should_failslab+0x10/0x28 [ 45.598458][ T4797] slab_pre_alloc_hook+0x64/0xe8 [ 45.599374][ T4797] kmem_cache_alloc+0x94/0x3d8 [ 45.600287][ T4797] alloc_extent_map+0x28/0x128 [ 45.601177][ T4797] btrfs_drop_extent_cache+0x160/0xd60 [ 45.602215][ T4797] btrfs_drop_extents+0x2e8/0x2338 [ 45.603199][ T4797] btrfs_replace_file_extents+0x340/0x1284 [ 45.604276][ T4797] btrfs_clone+0xb6c/0x1dd4 [ 45.605121][ T4797] btrfs_clone_files+0x26c/0x314 [ 45.606047][ T4797] btrfs_remap_file_range+0x478/0xb8c [ 45.607040][ T4797] vfs_copy_file_range+0xa08/0x1058 [ 45.607986][ T4797] __arm64_sys_copy_file_range+0x538/0x8bc [ 45.609059][ T4797] invoke_syscall+0x98/0x28c [ 45.609877][ T4797] el0_svc_common+0x13c/0x258 [ 45.610735][ T4797] do_el0_svc+0x5c/0x140 [ 45.611496][ T4797] el0_svc+0x78/0x1d4 [ 45.612206][ T4797] el0t_64_sync_handler+0xcc/0xe4 [ 45.613245][ T4797] el0t_64_sync+0x1a0/0x1a4 [ 45.833894][ T4818] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4818) [ 45.852737][ T4818] FAULT_INJECTION: forcing a failure. [ 45.852737][ T4818] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 45.855581][ T4818] CPU: 1 PID: 4818 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.857285][ T4818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.859310][ T4818] Call trace: [ 45.859935][ T4818] dump_backtrace+0x0/0x458 [ 45.860843][ T4818] show_stack+0x2c/0x3c [ 45.861649][ T4818] __dump_stack+0x30/0x40 [ 45.862467][ T4818] dump_stack_lvl+0xf4/0x15c [ 45.863335][ T4818] dump_stack+0x1c/0x5c [ 45.864101][ T4818] should_fail+0x3c8/0x520 [ 45.864905][ T4818] should_fail_alloc_page+0x74/0xa8 [ 45.865839][ T4818] prepare_alloc_pages+0x160/0x460 [ 45.866755][ T4818] __alloc_pages+0x108/0x474 [ 45.867585][ T4818] alloc_pages+0x34c/0x5c0 [ 45.868436][ T4818] new_slab+0xdc/0x53c [ 45.869213][ T4818] ___slab_alloc+0x6ac/0xd84 [ 45.870037][ T4818] __slab_alloc+0x68/0xc0 [ 45.870798][ T4818] kmem_cache_alloc+0x2a8/0x3d8 [ 45.871688][ T4818] alloc_extent_map+0x28/0x128 [ 45.872562][ T4818] btrfs_drop_extent_cache+0x150/0xd60 [ 45.873552][ T4818] btrfs_drop_extents+0x2e8/0x2338 [ 45.874486][ T4818] btrfs_replace_file_extents+0x340/0x1284 [ 45.875548][ T4818] btrfs_clone+0xb6c/0x1dd4 [ 45.876382][ T4818] btrfs_clone_files+0x26c/0x314 [ 45.877259][ T4818] btrfs_remap_file_range+0x478/0xb8c [ 45.878268][ T4818] vfs_copy_file_range+0xa08/0x1058 [ 45.879218][ T4818] __arm64_sys_copy_file_range+0x538/0x8bc [ 45.880257][ T4818] invoke_syscall+0x98/0x28c [ 45.881052][ T4818] el0_svc_common+0x13c/0x258 [ 45.881897][ T4818] do_el0_svc+0x5c/0x140 [ 45.882672][ T4818] el0_svc+0x78/0x1d4 [ 45.883410][ T4818] el0t_64_sync_handler+0xcc/0xe4 [ 45.884296][ T4818] el0t_64_sync+0x1a0/0x1a4 [ 46.057034][ T4839] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4839) [ 46.073431][ T4839] FAULT_INJECTION: forcing a failure. [ 46.073431][ T4839] name failslab, interval 1, probability 0, space 0, times 0 [ 46.075700][ T4839] CPU: 1 PID: 4839 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.077518][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.079542][ T4839] Call trace: [ 46.080180][ T4839] dump_backtrace+0x0/0x458 [ 46.081090][ T4839] show_stack+0x2c/0x3c [ 46.081937][ T4839] __dump_stack+0x30/0x40 [ 46.082757][ T4839] dump_stack_lvl+0xf4/0x15c [ 46.083644][ T4839] dump_stack+0x1c/0x5c [ 46.084449][ T4839] should_fail+0x3c8/0x520 [ 46.085306][ T4839] __should_failslab+0xbc/0x10c [ 46.086249][ T4839] should_failslab+0x10/0x28 [ 46.087057][ T4839] slab_pre_alloc_hook+0x64/0xe8 [ 46.087954][ T4839] kmem_cache_alloc+0x94/0x3d8 [ 46.088848][ T4839] alloc_extent_map+0x28/0x128 [ 46.089700][ T4839] btrfs_drop_extent_cache+0x160/0xd60 [ 46.090657][ T4839] btrfs_drop_extents+0x2e8/0x2338 [ 46.091546][ T4839] btrfs_replace_file_extents+0x340/0x1284 [ 46.092583][ T4839] btrfs_clone+0xb6c/0x1dd4 [ 46.093394][ T4839] btrfs_clone_files+0x26c/0x314 [ 46.094289][ T4839] btrfs_remap_file_range+0x478/0xb8c [ 46.095251][ T4839] vfs_copy_file_range+0xa08/0x1058 [ 46.096164][ T4839] __arm64_sys_copy_file_range+0x538/0x8bc [ 46.097217][ T4839] invoke_syscall+0x98/0x28c [ 46.098035][ T4839] el0_svc_common+0x13c/0x258 [ 46.098892][ T4839] do_el0_svc+0x5c/0x140 [ 46.099687][ T4839] el0_svc+0x78/0x1d4 [ 46.100457][ T4839] el0t_64_sync_handler+0xcc/0xe4 [ 46.101430][ T4839] el0t_64_sync+0x1a0/0x1a4 [ 46.307691][ T4860] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4860) [ 46.329981][ T4860] FAULT_INJECTION: forcing a failure. [ 46.329981][ T4860] name failslab, interval 1, probability 0, space 0, times 0 [ 46.332322][ T4860] CPU: 0 PID: 4860 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.333796][ T4860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.335552][ T4860] Call trace: [ 46.336088][ T4860] dump_backtrace+0x0/0x458 [ 46.336856][ T4860] show_stack+0x2c/0x3c [ 46.337573][ T4860] __dump_stack+0x30/0x40 [ 46.338329][ T4860] dump_stack_lvl+0xf4/0x15c [ 46.339138][ T4860] dump_stack+0x1c/0x5c [ 46.339879][ T4860] should_fail+0x3c8/0x520 [ 46.340692][ T4860] __should_failslab+0xbc/0x10c [ 46.341565][ T4860] should_failslab+0x10/0x28 [ 46.342379][ T4860] slab_pre_alloc_hook+0x64/0xe8 [ 46.343229][ T4860] kmem_cache_alloc+0x94/0x3d8 [ 46.344031][ T4860] start_transaction+0x530/0x1438 [ 46.344976][ T4860] btrfs_start_transaction+0x34/0x44 [ 46.345902][ T4860] btrfs_replace_file_extents+0x24c/0x1284 [ 46.346921][ T4860] btrfs_clone+0xb6c/0x1dd4 [ 46.347687][ T4860] btrfs_clone_files+0x26c/0x314 [ 46.348547][ T4860] btrfs_remap_file_range+0x478/0xb8c [ 46.349503][ T4860] vfs_copy_file_range+0xa08/0x1058 [ 46.350436][ T4860] __arm64_sys_copy_file_range+0x538/0x8bc [ 46.351521][ T4860] invoke_syscall+0x98/0x28c [ 46.352298][ T4860] el0_svc_common+0x13c/0x258 [ 46.353080][ T4860] do_el0_svc+0x5c/0x140 [ 46.353799][ T4860] el0_svc+0x78/0x1d4 [ 46.354534][ T4860] el0t_64_sync_handler+0xcc/0xe4 [ 46.355347][ T4860] el0t_64_sync+0x1a0/0x1a4 [ 46.488901][ T4504] Bluetooth: hci0: command 0x040f tx timeout [ 46.549451][ T4881] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4881) [ 46.577722][ T4881] FAULT_INJECTION: forcing a failure. [ 46.577722][ T4881] name failslab, interval 1, probability 0, space 0, times 0 [ 46.580208][ T4881] CPU: 0 PID: 4881 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.581754][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.583502][ T4881] Call trace: [ 46.584077][ T4881] dump_backtrace+0x0/0x458 [ 46.584812][ T4881] show_stack+0x2c/0x3c [ 46.585501][ T4881] __dump_stack+0x30/0x40 [ 46.586257][ T4881] dump_stack_lvl+0xf4/0x15c [ 46.587007][ T4881] dump_stack+0x1c/0x5c [ 46.587701][ T4881] should_fail+0x3c8/0x520 [ 46.588493][ T4881] __should_failslab+0xbc/0x10c [ 46.589321][ T4881] should_failslab+0x10/0x28 [ 46.590089][ T4881] slab_pre_alloc_hook+0x64/0xe8 [ 46.590922][ T4881] kmem_cache_alloc+0x94/0x3d8 [ 46.591739][ T4881] btrfs_add_delayed_data_ref+0x174/0xd64 [ 46.592706][ T4881] btrfs_inc_extent_ref+0xfc/0x188 [ 46.593574][ T4881] btrfs_insert_replace_extent+0x684/0x9b0 [ 46.594500][ T4881] btrfs_replace_file_extents+0x8a8/0x1284 [ 46.595543][ T4881] btrfs_clone+0xb6c/0x1dd4 [ 46.596356][ T4881] btrfs_clone_files+0x26c/0x314 [ 46.597201][ T4881] btrfs_remap_file_range+0x478/0xb8c [ 46.598117][ T4881] vfs_copy_file_range+0xa08/0x1058 [ 46.599020][ T4881] __arm64_sys_copy_file_range+0x538/0x8bc [ 46.600022][ T4881] invoke_syscall+0x98/0x28c [ 46.600851][ T4881] el0_svc_common+0x13c/0x258 [ 46.601797][ T4881] do_el0_svc+0x5c/0x140 [ 46.602582][ T4881] el0_svc+0x78/0x1d4 [ 46.603319][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 46.604244][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 46.606667][ T4881] ------------[ cut here ]------------ [ 46.607750][ T4881] WARNING: CPU: 0 PID: 4881 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 46.609584][ T4881] Modules linked in: [ 46.610309][ T4881] CPU: 0 PID: 4881 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.612207][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.614086][ T4881] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.615673][ T4881] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 46.616808][ T4881] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 46.617947][ T4881] sp : ffff8000210e7460 [ 46.618727][ T4881] x29: ffff8000210e7580 x28: 00000000fffffff4 x27: ffff8000210e78d0 [ 46.620087][ T4881] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000421ce9c [ 46.621665][ T4881] x23: ffff0000e2403110 x22: ffff0000dec6c370 x21: ffff0000cd112600 [ 46.623184][ T4881] x20: 1fffe0001bd8d879 x19: ffff0000dec6c3c8 x18: 0000000000000000 [ 46.624702][ T4881] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 46.626165][ T4881] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 46.627651][ T4881] x11: ff80800008302588 x10: 0000000000000000 x9 : 19bb3601c1390e00 [ 46.629128][ T4881] x8 : 19bb3601c1390e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 46.630717][ T4881] x5 : ffff8000210e6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 46.632268][ T4881] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 46.633749][ T4881] Call trace: [ 46.634323][ T4881] btrfs_replace_file_extents+0xd18/0x1284 [ 46.635348][ T4881] btrfs_clone+0xb6c/0x1dd4 [ 46.636145][ T4881] btrfs_clone_files+0x26c/0x314 [ 46.637002][ T4881] btrfs_remap_file_range+0x478/0xb8c [ 46.637971][ T4881] vfs_copy_file_range+0xa08/0x1058 [ 46.638932][ T4881] __arm64_sys_copy_file_range+0x538/0x8bc [ 46.639982][ T4881] invoke_syscall+0x98/0x28c [ 46.640770][ T4881] el0_svc_common+0x13c/0x258 [ 46.641588][ T4881] do_el0_svc+0x5c/0x140 [ 46.642314][ T4881] el0_svc+0x78/0x1d4 [ 46.643135][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 46.644115][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 46.644950][ T4881] irq event stamp: 79040 [ 46.645738][ T4881] hardirqs last enabled at (79039): [] __up_console_sem+0xb4/0xfc [ 46.647491][ T4881] hardirqs last disabled at (79040): [] el1_dbg+0x24/0x80 [ 46.648958][ T4881] softirqs last enabled at (79020): [] handle_softirqs+0xa70/0xc14 [ 46.650771][ T4881] softirqs last disabled at (78981): [] __irq_exit_rcu+0x240/0x434 [ 46.652603][ T4881] ---[ end trace 9aa7eb689a771ca9 ]--- [ 46.654670][ T4881] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 46.657346][ T4881] btrfs_printk: 54 callbacks suppressed [ 46.657356][ T4881] BTRFS info (device loop0): forced readonly [ 46.858993][ T4902] set_capacity_and_notify: 8 callbacks suppressed [ 46.859002][ T4902] loop0: detected capacity change from 0 to 32768 [ 46.863121][ T4902] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4902) [ 46.867919][ T4902] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 46.869895][ T4902] BTRFS info (device loop0): setting nodatacow, compression disabled [ 46.871523][ T4902] BTRFS info (device loop0): turning on flush-on-commit [ 46.872918][ T4902] BTRFS info (device loop0): disabling tree log [ 46.874194][ T4902] BTRFS info (device loop0): enabling auto defrag [ 46.875221][ T4902] BTRFS info (device loop0): using free space tree [ 46.876650][ T4902] BTRFS info (device loop0): has skinny extents [ 46.890151][ T4902] BTRFS info (device loop0): enabling ssd optimizations [ 46.897215][ T4902] FAULT_INJECTION: forcing a failure. [ 46.897215][ T4902] name failslab, interval 1, probability 0, space 0, times 0 [ 46.900012][ T4902] CPU: 0 PID: 4902 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.901746][ T4902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.903764][ T4902] Call trace: [ 46.904347][ T4902] dump_backtrace+0x0/0x458 [ 46.905189][ T4902] show_stack+0x2c/0x3c [ 46.906126][ T4902] __dump_stack+0x30/0x40 [ 46.906879][ T4902] dump_stack_lvl+0xf4/0x15c [ 46.907668][ T4902] dump_stack+0x1c/0x5c [ 46.908454][ T4902] should_fail+0x3c8/0x520 [ 46.909292][ T4902] __should_failslab+0xbc/0x10c [ 46.910178][ T4902] should_failslab+0x10/0x28 [ 46.911043][ T4902] slab_pre_alloc_hook+0x64/0xe8 [ 46.911958][ T4902] kmem_cache_alloc+0x94/0x3d8 [ 46.912930][ T4902] btrfs_add_delayed_data_ref+0x174/0xd64 [ 46.914067][ T4902] btrfs_inc_extent_ref+0xfc/0x188 [ 46.915021][ T4902] btrfs_insert_replace_extent+0x684/0x9b0 [ 46.916095][ T4902] btrfs_replace_file_extents+0x8a8/0x1284 [ 46.917161][ T4902] btrfs_clone+0xb6c/0x1dd4 [ 46.917986][ T4902] btrfs_clone_files+0x26c/0x314 [ 46.918868][ T4902] btrfs_remap_file_range+0x478/0xb8c [ 46.919810][ T4902] vfs_copy_file_range+0xa08/0x1058 [ 46.920817][ T4902] __arm64_sys_copy_file_range+0x538/0x8bc [ 46.921886][ T4902] invoke_syscall+0x98/0x28c [ 46.922729][ T4902] el0_svc_common+0x13c/0x258 [ 46.923550][ T4902] do_el0_svc+0x5c/0x140 [ 46.924280][ T4902] el0_svc+0x78/0x1d4 [ 46.924963][ T4902] el0t_64_sync_handler+0xcc/0xe4 [ 46.925791][ T4902] el0t_64_sync+0x1a0/0x1a4 [ 46.928043][ T4902] ------------[ cut here ]------------ [ 46.929355][ T4902] WARNING: CPU: 0 PID: 4902 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 46.931213][ T4902] Modules linked in: [ 46.931957][ T4902] CPU: 0 PID: 4902 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.933572][ T4902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.935401][ T4902] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.936798][ T4902] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 46.937912][ T4902] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 46.938992][ T4902] sp : ffff800020517460 [ 46.939704][ T4902] x29: ffff800020517580 x28: 00000000fffffff4 x27: ffff8000205178d0 [ 46.941163][ T4902] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000040a2e9c [ 46.942534][ T4902] x23: ffff0000e2405850 x22: ffff0000dec6c4d0 x21: ffff0000d1c7c000 [ 46.943941][ T4902] x20: 1fffe0001bd8d8a5 x19: ffff0000dec6c528 x18: 0000000000000000 [ 46.945457][ T4902] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 46.946832][ T4902] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 46.948200][ T4902] x11: ff80800008302588 x10: 0000000000000000 x9 : 29a7c34226d4f200 [ 46.949575][ T4902] x8 : 29a7c34226d4f200 x7 : 0000000000000001 x6 : 0000000000000001 [ 46.951258][ T4902] x5 : ffff800020516d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 46.952882][ T4902] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 46.954330][ T4902] Call trace: [ 46.954932][ T4902] btrfs_replace_file_extents+0xd18/0x1284 [ 46.955959][ T4902] btrfs_clone+0xb6c/0x1dd4 [ 46.956749][ T4902] btrfs_clone_files+0x26c/0x314 [ 46.957603][ T4902] btrfs_remap_file_range+0x478/0xb8c [ 46.958523][ T4902] vfs_copy_file_range+0xa08/0x1058 [ 46.959426][ T4902] __arm64_sys_copy_file_range+0x538/0x8bc [ 46.960373][ T4902] invoke_syscall+0x98/0x28c [ 46.961184][ T4902] el0_svc_common+0x13c/0x258 [ 46.961977][ T4902] do_el0_svc+0x5c/0x140 [ 46.962735][ T4902] el0_svc+0x78/0x1d4 [ 46.963415][ T4902] el0t_64_sync_handler+0xcc/0xe4 [ 46.964261][ T4902] el0t_64_sync+0x1a0/0x1a4 [ 46.965004][ T4902] irq event stamp: 80080 [ 46.965739][ T4902] hardirqs last enabled at (80079): [] __up_console_sem+0xb4/0xfc [ 46.967404][ T4902] hardirqs last disabled at (80080): [] el1_dbg+0x24/0x80 [ 46.968893][ T4902] softirqs last enabled at (80068): [] handle_softirqs+0xa70/0xc14 [ 46.970554][ T4902] softirqs last disabled at (80053): [] __irq_exit_rcu+0x240/0x434 [ 46.972130][ T4902] ---[ end trace 9aa7eb689a771caa ]--- [ 46.973695][ T4902] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 46.975354][ T4902] BTRFS info (device loop0): forced readonly [ 47.167248][ T4923] loop0: detected capacity change from 0 to 32768 [ 47.169916][ T4923] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4923) [ 47.174247][ T4923] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 47.176608][ T4923] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.178085][ T4923] BTRFS info (device loop0): turning on flush-on-commit [ 47.179497][ T4923] BTRFS info (device loop0): disabling tree log [ 47.180459][ T4923] BTRFS info (device loop0): enabling auto defrag [ 47.181870][ T4923] BTRFS info (device loop0): using free space tree [ 47.183036][ T4923] BTRFS info (device loop0): has skinny extents [ 47.191705][ T4923] BTRFS info (device loop0): enabling ssd optimizations [ 47.197157][ T4923] FAULT_INJECTION: forcing a failure. [ 47.197157][ T4923] name failslab, interval 1, probability 0, space 0, times 0 [ 47.200048][ T4923] CPU: 0 PID: 4923 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.201574][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.203517][ T4923] Call trace: [ 47.204172][ T4923] dump_backtrace+0x0/0x458 [ 47.205061][ T4923] show_stack+0x2c/0x3c [ 47.205881][ T4923] __dump_stack+0x30/0x40 [ 47.206679][ T4923] dump_stack_lvl+0xf4/0x15c [ 47.207619][ T4923] dump_stack+0x1c/0x5c [ 47.208490][ T4923] should_fail+0x3c8/0x520 [ 47.209324][ T4923] __should_failslab+0xbc/0x10c [ 47.210237][ T4923] should_failslab+0x10/0x28 [ 47.211115][ T4923] slab_pre_alloc_hook+0x64/0xe8 [ 47.212049][ T4923] kmem_cache_alloc+0x94/0x3d8 [ 47.212923][ T4923] alloc_extent_map+0x28/0x128 [ 47.213793][ T4923] btrfs_drop_extent_cache+0x160/0xd60 [ 47.214756][ T4923] btrfs_drop_extents+0x2e8/0x2338 [ 47.215760][ T4923] btrfs_replace_file_extents+0x340/0x1284 [ 47.216853][ T4923] btrfs_clone+0xb6c/0x1dd4 [ 47.217679][ T4923] btrfs_clone_files+0x26c/0x314 [ 47.218522][ T4923] btrfs_remap_file_range+0x478/0xb8c [ 47.219442][ T4923] vfs_copy_file_range+0xa08/0x1058 [ 47.220496][ T4923] __arm64_sys_copy_file_range+0x538/0x8bc [ 47.221638][ T4923] invoke_syscall+0x98/0x28c [ 47.222560][ T4923] el0_svc_common+0x13c/0x258 [ 47.223379][ T4923] do_el0_svc+0x5c/0x140 [ 47.224126][ T4923] el0_svc+0x78/0x1d4 [ 47.224793][ T4923] el0t_64_sync_handler+0xcc/0xe4 [ 47.225668][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 47.440714][ T4944] loop0: detected capacity change from 0 to 32768 [ 47.443379][ T4944] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4944) [ 47.446962][ T4944] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 47.448594][ T4944] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.450175][ T4944] BTRFS info (device loop0): turning on flush-on-commit [ 47.451511][ T4944] BTRFS info (device loop0): disabling tree log [ 47.452732][ T4944] BTRFS info (device loop0): enabling auto defrag [ 47.453911][ T4944] BTRFS info (device loop0): using free space tree [ 47.455087][ T4944] BTRFS info (device loop0): has skinny extents [ 47.467779][ T4944] BTRFS info (device loop0): enabling ssd optimizations [ 47.474218][ T4944] FAULT_INJECTION: forcing a failure. [ 47.474218][ T4944] name failslab, interval 1, probability 0, space 0, times 0 [ 47.476612][ T4944] CPU: 1 PID: 4944 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.478112][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.479867][ T4944] Call trace: [ 47.480413][ T4944] dump_backtrace+0x0/0x458 [ 47.481215][ T4944] show_stack+0x2c/0x3c [ 47.481967][ T4944] __dump_stack+0x30/0x40 [ 47.482783][ T4944] dump_stack_lvl+0xf4/0x15c [ 47.483617][ T4944] dump_stack+0x1c/0x5c [ 47.484394][ T4944] should_fail+0x3c8/0x520 [ 47.485170][ T4944] __should_failslab+0xbc/0x10c [ 47.486016][ T4944] should_failslab+0x10/0x28 [ 47.486875][ T4944] slab_pre_alloc_hook+0x64/0xe8 [ 47.487781][ T4944] kmem_cache_alloc+0x94/0x3d8 [ 47.488664][ T4944] btrfs_add_delayed_data_ref+0x174/0xd64 [ 47.489752][ T4944] btrfs_inc_extent_ref+0xfc/0x188 [ 47.490663][ T4944] btrfs_insert_replace_extent+0x684/0x9b0 [ 47.491720][ T4944] btrfs_replace_file_extents+0x8a8/0x1284 [ 47.492760][ T4944] btrfs_clone+0xb6c/0x1dd4 [ 47.493536][ T4944] btrfs_clone_files+0x26c/0x314 [ 47.494428][ T4944] btrfs_remap_file_range+0x478/0xb8c [ 47.495328][ T4944] vfs_copy_file_range+0xa08/0x1058 [ 47.496266][ T4944] __arm64_sys_copy_file_range+0x538/0x8bc [ 47.497298][ T4944] invoke_syscall+0x98/0x28c [ 47.498123][ T4944] el0_svc_common+0x13c/0x258 [ 47.498915][ T4944] do_el0_svc+0x5c/0x140 [ 47.499652][ T4944] el0_svc+0x78/0x1d4 [ 47.500380][ T4944] el0t_64_sync_handler+0xcc/0xe4 [ 47.501328][ T4944] el0t_64_sync+0x1a0/0x1a4 [ 47.502697][ T4944] ------------[ cut here ]------------ [ 47.503732][ T4944] WARNING: CPU: 1 PID: 4944 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 47.505542][ T4944] Modules linked in: [ 47.506219][ T4944] CPU: 1 PID: 4944 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.507834][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.509623][ T4944] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.511001][ T4944] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 47.512111][ T4944] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 47.513350][ T4944] sp : ffff800020517460 [ 47.514165][ T4944] x29: ffff800020517580 x28: 00000000fffffff4 x27: ffff8000205178d0 [ 47.515631][ T4944] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000040a2e9c [ 47.517101][ T4944] x23: ffff0000e25509d0 x22: ffff0000dd721b00 x21: ffff0000c0808700 [ 47.518531][ T4944] x20: 1fffe0001bae436b x19: ffff0000dd721b58 x18: 0000000000000000 [ 47.520025][ T4944] x17: 0000000000000000 x16: ffff8000082c6850 x15: 0000000000000000 [ 47.521536][ T4944] x14: 0000000000000001 x13: 1ffff000040a2dac x12: 0000000000000000 [ 47.522991][ T4944] x11: ff80800008302588 x10: 0000000000000000 x9 : 6fc9ef6593a01400 [ 47.524476][ T4944] x8 : 6fc9ef6593a01400 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.525947][ T4944] x5 : ffff800020516d78 x4 : ffff80001449f5e0 x3 : ffff800008309eb0 [ 47.527463][ T4944] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.528928][ T4944] Call trace: [ 47.529501][ T4944] btrfs_replace_file_extents+0xd18/0x1284 [ 47.530555][ T4944] btrfs_clone+0xb6c/0x1dd4 [ 47.531304][ T4944] btrfs_clone_files+0x26c/0x314 [ 47.532189][ T4944] btrfs_remap_file_range+0x478/0xb8c [ 47.533161][ T4944] vfs_copy_file_range+0xa08/0x1058 [ 47.534074][ T4944] __arm64_sys_copy_file_range+0x538/0x8bc [ 47.535121][ T4944] invoke_syscall+0x98/0x28c [ 47.535934][ T4944] el0_svc_common+0x13c/0x258 [ 47.536744][ T4944] do_el0_svc+0x5c/0x140 [ 47.537465][ T4944] el0_svc+0x78/0x1d4 [ 47.538165][ T4944] el0t_64_sync_handler+0xcc/0xe4 [ 47.539116][ T4944] el0t_64_sync+0x1a0/0x1a4 [ 47.539934][ T4944] irq event stamp: 79888 [ 47.540704][ T4944] hardirqs last enabled at (79887): [] __up_console_sem+0xb4/0xfc [ 47.542416][ T4944] hardirqs last disabled at (79888): [] el1_dbg+0x24/0x80 [ 47.543991][ T4944] softirqs last enabled at (79868): [] handle_softirqs+0xa70/0xc14 [ 47.545738][ T4944] softirqs last disabled at (79805): [] __irq_exit_rcu+0x240/0x434 [ 47.547502][ T4944] ---[ end trace 9aa7eb689a771cab ]--- [ 47.548719][ T4944] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 47.550547][ T4944] BTRFS info (device loop0): forced readonly [ 47.739675][ T4965] loop0: detected capacity change from 0 to 32768 [ 47.742416][ T4965] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4965) [ 47.745924][ T4965] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 47.747695][ T4965] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.749217][ T4965] BTRFS info (device loop0): turning on flush-on-commit [ 47.750482][ T4965] BTRFS info (device loop0): disabling tree log [ 47.751683][ T4965] BTRFS info (device loop0): enabling auto defrag [ 47.752898][ T4965] BTRFS info (device loop0): using free space tree [ 47.754145][ T4965] BTRFS info (device loop0): has skinny extents [ 47.762453][ T4965] BTRFS info (device loop0): enabling ssd optimizations [ 47.769787][ T4965] FAULT_INJECTION: forcing a failure. [ 47.769787][ T4965] name failslab, interval 1, probability 0, space 0, times 0 [ 47.772229][ T4965] CPU: 1 PID: 4965 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.773739][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.775555][ T4965] Call trace: [ 47.776158][ T4965] dump_backtrace+0x0/0x458 [ 47.776995][ T4965] show_stack+0x2c/0x3c [ 47.777873][ T4965] __dump_stack+0x30/0x40 [ 47.778739][ T4965] dump_stack_lvl+0xf4/0x15c [ 47.779586][ T4965] dump_stack+0x1c/0x5c [ 47.780375][ T4965] should_fail+0x3c8/0x520 [ 47.781175][ T4965] __should_failslab+0xbc/0x10c [ 47.782062][ T4965] should_failslab+0x10/0x28 [ 47.782895][ T4965] slab_pre_alloc_hook+0x64/0xe8 [ 47.783810][ T4965] kmem_cache_alloc+0x94/0x3d8 [ 47.784704][ T4965] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 47.785780][ T4965] btrfs_inc_extent_ref+0xfc/0x188 [ 47.786696][ T4965] btrfs_insert_replace_extent+0x684/0x9b0 [ 47.787720][ T4965] btrfs_replace_file_extents+0x8a8/0x1284 [ 47.788740][ T4965] btrfs_clone+0xb6c/0x1dd4 [ 47.789522][ T4965] btrfs_clone_files+0x26c/0x314 [ 47.790387][ T4965] btrfs_remap_file_range+0x478/0xb8c [ 47.791339][ T4965] vfs_copy_file_range+0xa08/0x1058 [ 47.792240][ T4965] __arm64_sys_copy_file_range+0x538/0x8bc [ 47.793292][ T4965] invoke_syscall+0x98/0x28c [ 47.794091][ T4965] el0_svc_common+0x13c/0x258 [ 47.794880][ T4965] do_el0_svc+0x5c/0x140 [ 47.795682][ T4965] el0_svc+0x78/0x1d4 [ 47.796431][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 47.797346][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 47.798396][ T4965] ------------[ cut here ]------------ [ 47.799438][ T4965] WARNING: CPU: 1 PID: 4965 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 47.801727][ T4965] Modules linked in: [ 47.802519][ T4965] CPU: 1 PID: 4965 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.804280][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.806114][ T4965] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.807526][ T4965] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 47.808640][ T4965] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 47.809765][ T4965] sp : ffff800021437460 [ 47.810494][ T4965] x29: ffff800021437580 x28: 00000000fffffff4 x27: ffff8000214378d0 [ 47.811934][ T4965] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700004286e9c [ 47.813417][ T4965] x23: ffff0000defa8000 x22: ffff0000dd721dc0 x21: ffff0000c8c6e500 [ 47.814826][ T4965] x20: 1fffe0001bae43c3 x19: ffff0000dd721e18 x18: 0000000000000000 [ 47.816274][ T4965] x17: 0000000000000000 x16: ffff8000082c6850 x15: 0000000000000000 [ 47.817911][ T4965] x14: 0000000000000001 x13: 1ffff00004286dac x12: 0000000000000000 [ 47.819566][ T4965] x11: ff80800008302588 x10: 0000000000000000 x9 : f66d4189f914df00 [ 47.821122][ T4965] x8 : f66d4189f914df00 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.822635][ T4965] x5 : ffff800021436d78 x4 : ffff80001449f5e0 x3 : ffff800008309eb0 [ 47.824233][ T4965] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.825792][ T4965] Call trace: [ 47.826417][ T4965] btrfs_replace_file_extents+0xd18/0x1284 [ 47.827544][ T4965] btrfs_clone+0xb6c/0x1dd4 [ 47.828390][ T4965] btrfs_clone_files+0x26c/0x314 [ 47.829346][ T4965] btrfs_remap_file_range+0x478/0xb8c [ 47.830341][ T4965] vfs_copy_file_range+0xa08/0x1058 [ 47.831254][ T4965] __arm64_sys_copy_file_range+0x538/0x8bc [ 47.832315][ T4965] invoke_syscall+0x98/0x28c [ 47.833108][ T4965] el0_svc_common+0x13c/0x258 [ 47.834067][ T4965] do_el0_svc+0x5c/0x140 [ 47.834875][ T4965] el0_svc+0x78/0x1d4 [ 47.835646][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 47.836639][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 47.837455][ T4965] irq event stamp: 79594 [ 47.838251][ T4965] hardirqs last enabled at (79593): [] __up_console_sem+0xb4/0xfc [ 47.839971][ T4965] hardirqs last disabled at (79594): [] el1_dbg+0x24/0x80 [ 47.841506][ T4965] softirqs last enabled at (79572): [] handle_softirqs+0xa70/0xc14 [ 47.843226][ T4965] softirqs last disabled at (79559): [] __irq_exit_rcu+0x240/0x434 [ 47.844946][ T4965] ---[ end trace 9aa7eb689a771cac ]--- [ 47.846530][ T4965] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 47.848563][ T4965] BTRFS info (device loop0): forced readonly [ 48.021835][ T4986] loop0: detected capacity change from 0 to 32768 [ 48.024728][ T4986] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4986) [ 48.029796][ T4986] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.031592][ T4986] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.033148][ T4986] BTRFS info (device loop0): turning on flush-on-commit [ 48.034512][ T4986] BTRFS info (device loop0): disabling tree log [ 48.035699][ T4986] BTRFS info (device loop0): enabling auto defrag [ 48.036967][ T4986] BTRFS info (device loop0): using free space tree [ 48.038354][ T4986] BTRFS info (device loop0): has skinny extents [ 48.049495][ T4986] BTRFS info (device loop0): enabling ssd optimizations [ 48.055062][ T4986] FAULT_INJECTION: forcing a failure. [ 48.055062][ T4986] name failslab, interval 1, probability 0, space 0, times 0 [ 48.057331][ T4986] CPU: 0 PID: 4986 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.058996][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.060811][ T4986] Call trace: [ 48.061437][ T4986] dump_backtrace+0x0/0x458 [ 48.062298][ T4986] show_stack+0x2c/0x3c [ 48.063040][ T4986] __dump_stack+0x30/0x40 [ 48.063920][ T4986] dump_stack_lvl+0xf4/0x15c [ 48.064828][ T4986] dump_stack+0x1c/0x5c [ 48.065535][ T4986] should_fail+0x3c8/0x520 [ 48.066337][ T4986] __should_failslab+0xbc/0x10c [ 48.067221][ T4986] should_failslab+0x10/0x28 [ 48.068179][ T4986] slab_pre_alloc_hook+0x64/0xe8 [ 48.069159][ T4986] kmem_cache_alloc+0x94/0x3d8 [ 48.070090][ T4986] alloc_extent_map+0x28/0x128 [ 48.070949][ T4986] btrfs_drop_extent_cache+0x160/0xd60 [ 48.071917][ T4986] btrfs_drop_extents+0x2e8/0x2338 [ 48.072944][ T4986] btrfs_replace_file_extents+0x340/0x1284 [ 48.074132][ T4986] btrfs_clone+0xb6c/0x1dd4 [ 48.075058][ T4986] btrfs_clone_files+0x26c/0x314 [ 48.076050][ T4986] btrfs_remap_file_range+0x478/0xb8c [ 48.077132][ T4986] vfs_copy_file_range+0xa08/0x1058 [ 48.078007][ T4986] __arm64_sys_copy_file_range+0x538/0x8bc [ 48.079027][ T4986] invoke_syscall+0x98/0x28c [ 48.079967][ T4986] el0_svc_common+0x13c/0x258 [ 48.080874][ T4986] do_el0_svc+0x5c/0x140 [ 48.081628][ T4986] el0_svc+0x78/0x1d4 [ 48.082332][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 48.083203][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 48.267196][ T5007] loop0: detected capacity change from 0 to 32768 [ 48.270347][ T5007] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5007) [ 48.275434][ T5007] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.277205][ T5007] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.278782][ T5007] BTRFS info (device loop0): turning on flush-on-commit [ 48.280046][ T5007] BTRFS info (device loop0): disabling tree log [ 48.281180][ T5007] BTRFS info (device loop0): enabling auto defrag [ 48.282417][ T5007] BTRFS info (device loop0): using free space tree [ 48.283583][ T5007] BTRFS info (device loop0): has skinny extents [ 48.295461][ T5007] BTRFS info (device loop0): enabling ssd optimizations [ 48.300698][ T5007] FAULT_INJECTION: forcing a failure. [ 48.300698][ T5007] name failslab, interval 1, probability 0, space 0, times 0 [ 48.302825][ T5007] CPU: 1 PID: 5007 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.304367][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.306086][ T5007] Call trace: [ 48.306614][ T5007] dump_backtrace+0x0/0x458 [ 48.307375][ T5007] show_stack+0x2c/0x3c [ 48.308070][ T5007] __dump_stack+0x30/0x40 [ 48.308834][ T5007] dump_stack_lvl+0xf4/0x15c [ 48.309716][ T5007] dump_stack+0x1c/0x5c [ 48.310607][ T5007] should_fail+0x3c8/0x520 [ 48.311541][ T5007] __should_failslab+0xbc/0x10c [ 48.312570][ T5007] should_failslab+0x10/0x28 [ 48.313535][ T5007] slab_pre_alloc_hook+0x64/0xe8 [ 48.314537][ T5007] kmem_cache_alloc+0x94/0x3d8 [ 48.315439][ T5007] alloc_extent_map+0x28/0x128 [ 48.316479][ T5007] btrfs_drop_extent_cache+0x160/0xd60 [ 48.317589][ T5007] btrfs_drop_extents+0x2e8/0x2338 [ 48.318553][ T5007] btrfs_replace_file_extents+0x340/0x1284 [ 48.319632][ T5007] btrfs_clone+0xb6c/0x1dd4 [ 48.320464][ T5007] btrfs_clone_files+0x26c/0x314 [ 48.321324][ T5007] btrfs_remap_file_range+0x478/0xb8c [ 48.322281][ T5007] vfs_copy_file_range+0xa08/0x1058 [ 48.323220][ T5007] __arm64_sys_copy_file_range+0x538/0x8bc [ 48.324263][ T5007] invoke_syscall+0x98/0x28c [ 48.325047][ T5007] el0_svc_common+0x13c/0x258 [ 48.325989][ T5007] do_el0_svc+0x5c/0x140 [ 48.326863][ T5007] el0_svc+0x78/0x1d4 [ 48.327665][ T5007] el0t_64_sync_handler+0xcc/0xe4 [ 48.328624][ T5007] el0t_64_sync+0x1a0/0x1a4 [ 48.505556][ T5028] loop0: detected capacity change from 0 to 32768 [ 48.509306][ T5028] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5028) [ 48.513605][ T5028] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.515889][ T5028] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.517388][ T5028] BTRFS info (device loop0): turning on flush-on-commit [ 48.518705][ T5028] BTRFS info (device loop0): disabling tree log [ 48.519824][ T5028] BTRFS info (device loop0): enabling auto defrag [ 48.520970][ T5028] BTRFS info (device loop0): using free space tree [ 48.522025][ T5028] BTRFS info (device loop0): has skinny extents [ 48.530178][ T5028] BTRFS info (device loop0): enabling ssd optimizations [ 48.541382][ T5028] FAULT_INJECTION: forcing a failure. [ 48.541382][ T5028] name failslab, interval 1, probability 0, space 0, times 0 [ 48.543796][ T5028] CPU: 0 PID: 5028 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.545227][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.546945][ T5028] Call trace: [ 48.547491][ T5028] dump_backtrace+0x0/0x458 [ 48.548245][ T5028] show_stack+0x2c/0x3c [ 48.548958][ T5028] __dump_stack+0x30/0x40 [ 48.549747][ T5028] dump_stack_lvl+0xf4/0x15c [ 48.550521][ T5028] dump_stack+0x1c/0x5c [ 48.551235][ T5028] should_fail+0x3c8/0x520 [ 48.551960][ T5028] __should_failslab+0xbc/0x10c [ 48.552833][ T5028] should_failslab+0x10/0x28 [ 48.553632][ T5028] slab_pre_alloc_hook+0x64/0xe8 [ 48.554506][ T5028] kmem_cache_alloc+0x94/0x3d8 [ 48.555308][ T5028] btrfs_add_delayed_data_ref+0x174/0xd64 [ 48.556300][ T5028] btrfs_inc_extent_ref+0xfc/0x188 [ 48.557197][ T5028] btrfs_insert_replace_extent+0x684/0x9b0 [ 48.558176][ T5028] btrfs_replace_file_extents+0x8a8/0x1284 [ 48.559199][ T5028] btrfs_clone+0xb6c/0x1dd4 [ 48.559977][ T5028] btrfs_clone_files+0x26c/0x314 [ 48.560836][ T5028] btrfs_remap_file_range+0x478/0xb8c [ 48.561722][ T5028] vfs_copy_file_range+0xa08/0x1058 [ 48.562645][ T5028] __arm64_sys_copy_file_range+0x538/0x8bc [ 48.563652][ T5028] invoke_syscall+0x98/0x28c [ 48.564468][ T5028] el0_svc_common+0x13c/0x258 [ 48.565261][ T5028] do_el0_svc+0x5c/0x140 [ 48.565987][ T5028] el0_svc+0x78/0x1d4 [ 48.566669][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 48.567567][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 48.569166][ T4439] Bluetooth: hci0: command 0x0419 tx timeout [ 48.570742][ T5028] ------------[ cut here ]------------ [ 48.571853][ T5028] WARNING: CPU: 0 PID: 5028 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 48.573817][ T5028] Modules linked in: [ 48.574536][ T5028] CPU: 0 PID: 5028 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.576170][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.577962][ T5028] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.579367][ T5028] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 48.580405][ T5028] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 48.581482][ T5028] sp : ffff800021867460 [ 48.582218][ T5028] x29: ffff800021867580 x28: 00000000fffffff4 x27: ffff8000218678d0 [ 48.583641][ T5028] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000430ce9c [ 48.585039][ T5028] x23: ffff0000dec48000 x22: ffff0000ded72210 x21: ffff0000ce722a00 [ 48.586475][ T5028] x20: 1fffe0001bdae44d x19: ffff0000ded72268 x18: 0000000000000000 [ 48.587908][ T5028] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 48.589305][ T5028] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 48.590863][ T5028] x11: ff80800008302588 x10: 0000000000000000 x9 : 059f0482dc84b400 [ 48.592278][ T5028] x8 : 059f0482dc84b400 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.593595][ T5028] x5 : ffff800021866d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 48.594982][ T5028] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.596449][ T5028] Call trace: [ 48.597029][ T5028] btrfs_replace_file_extents+0xd18/0x1284 [ 48.598063][ T5028] btrfs_clone+0xb6c/0x1dd4 [ 48.598824][ T5028] btrfs_clone_files+0x26c/0x314 [ 48.599711][ T5028] btrfs_remap_file_range+0x478/0xb8c [ 48.600650][ T5028] vfs_copy_file_range+0xa08/0x1058 [ 48.601546][ T5028] __arm64_sys_copy_file_range+0x538/0x8bc [ 48.602529][ T5028] invoke_syscall+0x98/0x28c [ 48.603343][ T5028] el0_svc_common+0x13c/0x258 [ 48.604208][ T5028] do_el0_svc+0x5c/0x140 [ 48.604949][ T5028] el0_svc+0x78/0x1d4 [ 48.605649][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 48.606498][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 48.607245][ T5028] irq event stamp: 79606 [ 48.608000][ T5028] hardirqs last enabled at (79605): [] __up_console_sem+0xb4/0xfc [ 48.609644][ T5028] hardirqs last disabled at (79606): [] el1_dbg+0x24/0x80 [ 48.611091][ T5028] softirqs last enabled at (79586): [] handle_softirqs+0xa70/0xc14 [ 48.612865][ T5028] softirqs last disabled at (79533): [] __irq_exit_rcu+0x240/0x434 [ 48.614635][ T5028] ---[ end trace 9aa7eb689a771cad ]--- [ 48.616554][ T5028] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 48.618396][ T5028] BTRFS info (device loop0): forced readonly [ 48.795369][ T5049] loop0: detected capacity change from 0 to 32768 [ 48.798043][ T5049] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5049) [ 48.802638][ T5049] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.804432][ T5049] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.806105][ T5049] BTRFS info (device loop0): turning on flush-on-commit [ 48.807429][ T5049] BTRFS info (device loop0): disabling tree log [ 48.809213][ T5049] BTRFS info (device loop0): enabling auto defrag [ 48.810438][ T5049] BTRFS info (device loop0): using free space tree [ 48.811692][ T5049] BTRFS info (device loop0): has skinny extents [ 48.821508][ T5049] BTRFS info (device loop0): enabling ssd optimizations [ 48.827596][ T5049] FAULT_INJECTION: forcing a failure. [ 48.827596][ T5049] name failslab, interval 1, probability 0, space 0, times 0 [ 48.830728][ T5049] CPU: 0 PID: 5049 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.832368][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.834235][ T5049] Call trace: [ 48.834855][ T5049] dump_backtrace+0x0/0x458 [ 48.835727][ T5049] show_stack+0x2c/0x3c [ 48.836522][ T5049] __dump_stack+0x30/0x40 [ 48.837347][ T5049] dump_stack_lvl+0xf4/0x15c [ 48.838205][ T5049] dump_stack+0x1c/0x5c [ 48.838960][ T5049] should_fail+0x3c8/0x520 [ 48.839779][ T5049] __should_failslab+0xbc/0x10c [ 48.840686][ T5049] should_failslab+0x10/0x28 [ 48.841538][ T5049] slab_pre_alloc_hook+0x64/0xe8 [ 48.842420][ T5049] kmem_cache_alloc+0x94/0x3d8 [ 48.843276][ T5049] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 48.844282][ T5049] btrfs_inc_extent_ref+0xfc/0x188 [ 48.845211][ T5049] btrfs_insert_replace_extent+0x684/0x9b0 [ 48.846204][ T5049] btrfs_replace_file_extents+0x8a8/0x1284 [ 48.847199][ T5049] btrfs_clone+0xb6c/0x1dd4 [ 48.847984][ T5049] btrfs_clone_files+0x26c/0x314 [ 48.848852][ T5049] btrfs_remap_file_range+0x478/0xb8c [ 48.849815][ T5049] vfs_copy_file_range+0xa08/0x1058 [ 48.850726][ T5049] __arm64_sys_copy_file_range+0x538/0x8bc [ 48.851708][ T5049] invoke_syscall+0x98/0x28c [ 48.852488][ T5049] el0_svc_common+0x13c/0x258 [ 48.853283][ T5049] do_el0_svc+0x5c/0x140 [ 48.853998][ T5049] el0_svc+0x78/0x1d4 [ 48.854695][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 48.855582][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 48.857149][ T5049] ------------[ cut here ]------------ [ 48.858161][ T5049] WARNING: CPU: 0 PID: 5049 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 48.859893][ T5049] Modules linked in: [ 48.860579][ T5049] CPU: 0 PID: 5049 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.862184][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.863920][ T5049] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.865201][ T5049] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 48.866297][ T5049] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 48.867358][ T5049] sp : ffff8000216a7460 [ 48.868062][ T5049] x29: ffff8000216a7580 x28: 00000000fffffff4 x27: ffff8000216a78d0 [ 48.869442][ T5049] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000042d4e9c [ 48.870847][ T5049] x23: ffff0000e25993a0 x22: ffff0000ded724d0 x21: ffff0000c26ffa00 [ 48.872241][ T5049] x20: 1fffe0001bdae4a5 x19: ffff0000ded72528 x18: 0000000000000000 [ 48.873647][ T5049] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 48.875013][ T5049] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 48.876402][ T5049] x11: ff80800008302588 x10: 0000000000000000 x9 : f37c333b81006800 [ 48.877790][ T5049] x8 : f37c333b81006800 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.879184][ T5049] x5 : ffff8000216a6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 48.880561][ T5049] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.881927][ T5049] Call trace: [ 48.882535][ T5049] btrfs_replace_file_extents+0xd18/0x1284 [ 48.883555][ T5049] btrfs_clone+0xb6c/0x1dd4 [ 48.884364][ T5049] btrfs_clone_files+0x26c/0x314 [ 48.885217][ T5049] btrfs_remap_file_range+0x478/0xb8c [ 48.886116][ T5049] vfs_copy_file_range+0xa08/0x1058 [ 48.886957][ T5049] __arm64_sys_copy_file_range+0x538/0x8bc [ 48.887935][ T5049] invoke_syscall+0x98/0x28c [ 48.888696][ T5049] el0_svc_common+0x13c/0x258 [ 48.889522][ T5049] do_el0_svc+0x5c/0x140 [ 48.890211][ T5049] el0_svc+0x78/0x1d4 [ 48.890874][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 48.891733][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 48.892499][ T5049] irq event stamp: 79382 [ 48.893216][ T5049] hardirqs last enabled at (79381): [] __up_console_sem+0xb4/0xfc [ 48.894855][ T5049] hardirqs last disabled at (79382): [] el1_dbg+0x24/0x80 [ 48.896342][ T5049] softirqs last enabled at (79360): [] handle_softirqs+0xa70/0xc14 [ 48.897924][ T5049] softirqs last disabled at (79335): [] __irq_exit_rcu+0x240/0x434 [ 48.899570][ T5049] ---[ end trace 9aa7eb689a771cae ]--- [ 48.901254][ T5049] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 48.903152][ T5049] BTRFS info (device loop0): forced readonly [ 49.075345][ T5070] loop0: detected capacity change from 0 to 32768 [ 49.078035][ T5070] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5070) [ 49.081964][ T5070] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.083689][ T5070] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.085291][ T5070] BTRFS info (device loop0): turning on flush-on-commit [ 49.086618][ T5070] BTRFS info (device loop0): disabling tree log [ 49.087796][ T5070] BTRFS info (device loop0): enabling auto defrag [ 49.089503][ T5070] BTRFS info (device loop0): using free space tree [ 49.090773][ T5070] BTRFS info (device loop0): has skinny extents [ 49.105430][ T5070] BTRFS info (device loop0): enabling ssd optimizations [ 49.111275][ T5070] FAULT_INJECTION: forcing a failure. [ 49.111275][ T5070] name failslab, interval 1, probability 0, space 0, times 0 [ 49.113720][ T5070] CPU: 0 PID: 5070 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.115334][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.117273][ T5070] Call trace: [ 49.117857][ T5070] dump_backtrace+0x0/0x458 [ 49.118654][ T5070] show_stack+0x2c/0x3c [ 49.119398][ T5070] __dump_stack+0x30/0x40 [ 49.120168][ T5070] dump_stack_lvl+0xf4/0x15c [ 49.120935][ T5070] dump_stack+0x1c/0x5c [ 49.121666][ T5070] should_fail+0x3c8/0x520 [ 49.122416][ T5070] __should_failslab+0xbc/0x10c [ 49.123252][ T5070] should_failslab+0x10/0x28 [ 49.123978][ T5070] slab_pre_alloc_hook+0x64/0xe8 [ 49.124792][ T5070] kmem_cache_alloc+0x94/0x3d8 [ 49.125589][ T5070] btrfs_add_delayed_data_ref+0x174/0xd64 [ 49.126536][ T5070] btrfs_inc_extent_ref+0xfc/0x188 [ 49.127388][ T5070] btrfs_insert_replace_extent+0x684/0x9b0 [ 49.128355][ T5070] btrfs_replace_file_extents+0x8a8/0x1284 [ 49.129325][ T5070] btrfs_clone+0xb6c/0x1dd4 [ 49.130063][ T5070] btrfs_clone_files+0x26c/0x314 [ 49.130933][ T5070] btrfs_remap_file_range+0x478/0xb8c [ 49.131838][ T5070] vfs_copy_file_range+0xa08/0x1058 [ 49.132697][ T5070] __arm64_sys_copy_file_range+0x538/0x8bc [ 49.133660][ T5070] invoke_syscall+0x98/0x28c [ 49.134429][ T5070] el0_svc_common+0x13c/0x258 [ 49.135252][ T5070] do_el0_svc+0x5c/0x140 [ 49.135989][ T5070] el0_svc+0x78/0x1d4 [ 49.136669][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 49.137526][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 49.139731][ T5070] ------------[ cut here ]------------ [ 49.140819][ T5070] WARNING: CPU: 1 PID: 5070 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 49.142508][ T5070] Modules linked in: [ 49.143166][ T5070] CPU: 1 PID: 5070 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.144725][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.146454][ T5070] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.147739][ T5070] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 49.148809][ T5070] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 49.149974][ T5070] sp : ffff800021767460 [ 49.150731][ T5070] x29: ffff800021767580 x28: 00000000fffffff4 x27: ffff8000217678d0 [ 49.152223][ T5070] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000042ece9c [ 49.153757][ T5070] x23: ffff0000e259b110 x22: ffff0000ded72790 x21: ffff0000c7ceb600 [ 49.155257][ T5070] x20: 1fffe0001bdae4fd x19: ffff0000ded727e8 x18: 0000000000000000 [ 49.156747][ T5070] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 49.158280][ T5070] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 49.159705][ T5070] x11: ff80800008302588 x10: 0000000000000000 x9 : ff52b1c74ab0c300 [ 49.161183][ T5070] x8 : ff52b1c74ab0c300 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.162608][ T5070] x5 : ffff800021766d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 49.164090][ T5070] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.165562][ T5070] Call trace: [ 49.166156][ T5070] btrfs_replace_file_extents+0xd18/0x1284 [ 49.167205][ T5070] btrfs_clone+0xb6c/0x1dd4 [ 49.168026][ T5070] btrfs_clone_files+0x26c/0x314 [ 49.168921][ T5070] btrfs_remap_file_range+0x478/0xb8c [ 49.169888][ T5070] vfs_copy_file_range+0xa08/0x1058 [ 49.170834][ T5070] __arm64_sys_copy_file_range+0x538/0x8bc [ 49.171893][ T5070] invoke_syscall+0x98/0x28c [ 49.172734][ T5070] el0_svc_common+0x13c/0x258 [ 49.173559][ T5070] do_el0_svc+0x5c/0x140 [ 49.174316][ T5070] el0_svc+0x78/0x1d4 [ 49.175004][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 49.175885][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 49.176684][ T5070] irq event stamp: 79356 [ 49.177545][ T5070] hardirqs last enabled at (79355): [] __up_console_sem+0xb4/0xfc [ 49.179512][ T5070] hardirqs last disabled at (79356): [] el1_dbg+0x24/0x80 [ 49.181168][ T5070] softirqs last enabled at (79336): [] handle_softirqs+0xa70/0xc14 [ 49.182988][ T5070] softirqs last disabled at (79277): [] __irq_exit_rcu+0x240/0x434 [ 49.184860][ T5070] ---[ end trace 9aa7eb689a771caf ]--- [ 49.186727][ T5070] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 49.188863][ T5070] BTRFS info (device loop0): forced readonly [ 49.365669][ T5091] loop0: detected capacity change from 0 to 32768 [ 49.368532][ T5091] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5091) [ 49.373207][ T5091] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.376231][ T5091] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.377733][ T5091] BTRFS info (device loop0): turning on flush-on-commit [ 49.379117][ T5091] BTRFS info (device loop0): disabling tree log [ 49.380201][ T5091] BTRFS info (device loop0): enabling auto defrag [ 49.381323][ T5091] BTRFS info (device loop0): using free space tree [ 49.382453][ T5091] BTRFS info (device loop0): has skinny extents [ 49.391268][ T5091] BTRFS info (device loop0): enabling ssd optimizations [ 49.397034][ T5091] FAULT_INJECTION: forcing a failure. [ 49.397034][ T5091] name failslab, interval 1, probability 0, space 0, times 0 [ 49.400294][ T5091] CPU: 1 PID: 5091 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.402029][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.403919][ T5091] Call trace: [ 49.404533][ T5091] dump_backtrace+0x0/0x458 [ 49.405436][ T5091] show_stack+0x2c/0x3c [ 49.406262][ T5091] __dump_stack+0x30/0x40 [ 49.407079][ T5091] dump_stack_lvl+0xf4/0x15c [ 49.407929][ T5091] dump_stack+0x1c/0x5c [ 49.408701][ T5091] should_fail+0x3c8/0x520 [ 49.409639][ T5091] __should_failslab+0xbc/0x10c [ 49.410523][ T5091] should_failslab+0x10/0x28 [ 49.411400][ T5091] slab_pre_alloc_hook+0x64/0xe8 [ 49.412323][ T5091] kmem_cache_alloc+0x94/0x3d8 [ 49.413225][ T5091] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 49.414325][ T5091] btrfs_inc_extent_ref+0xfc/0x188 [ 49.415276][ T5091] btrfs_insert_replace_extent+0x684/0x9b0 [ 49.416359][ T5091] btrfs_replace_file_extents+0x8a8/0x1284 [ 49.417420][ T5091] btrfs_clone+0xb6c/0x1dd4 [ 49.418258][ T5091] btrfs_clone_files+0x26c/0x314 [ 49.419164][ T5091] btrfs_remap_file_range+0x478/0xb8c [ 49.420107][ T5091] vfs_copy_file_range+0xa08/0x1058 [ 49.421066][ T5091] __arm64_sys_copy_file_range+0x538/0x8bc [ 49.422143][ T5091] invoke_syscall+0x98/0x28c [ 49.422944][ T5091] el0_svc_common+0x13c/0x258 [ 49.423771][ T5091] do_el0_svc+0x5c/0x140 [ 49.424546][ T5091] el0_svc+0x78/0x1d4 [ 49.425379][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 49.426382][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 49.429293][ T5091] ------------[ cut here ]------------ [ 49.430491][ T5091] WARNING: CPU: 1 PID: 5091 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 49.432142][ T5091] Modules linked in: [ 49.432858][ T5091] CPU: 1 PID: 5091 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.434465][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.436215][ T5091] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.437630][ T5091] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 49.438777][ T5091] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 49.440095][ T5091] sp : ffff800021bd7460 [ 49.440986][ T5091] x29: ffff800021bd7580 x28: 00000000fffffff4 x27: ffff800021bd78d0 [ 49.442544][ T5091] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000437ae9c [ 49.444091][ T5091] x23: ffff0000e259ce80 x22: ffff0000ded6f6e0 x21: ffff0000d284b500 [ 49.445601][ T5091] x20: 1fffe0001bdadee7 x19: ffff0000ded6f738 x18: 0000000000000002 [ 49.447142][ T5091] x17: 0000000040000000 x16: ffff80001137f534 x15: 0000000000000002 [ 49.448651][ T5091] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 49.450180][ T5091] x11: ff80800008302588 x10: 0000000000000000 x9 : a3fd199b3fdb1c00 [ 49.451594][ T5091] x8 : a3fd199b3fdb1c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.453057][ T5091] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008512750 [ 49.454503][ T5091] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.455961][ T5091] Call trace: [ 49.456577][ T5091] btrfs_replace_file_extents+0xd18/0x1284 [ 49.457658][ T5091] btrfs_clone+0xb6c/0x1dd4 [ 49.458563][ T5091] btrfs_clone_files+0x26c/0x314 [ 49.459600][ T5091] btrfs_remap_file_range+0x478/0xb8c [ 49.460664][ T5091] vfs_copy_file_range+0xa08/0x1058 [ 49.461687][ T5091] __arm64_sys_copy_file_range+0x538/0x8bc [ 49.462769][ T5091] invoke_syscall+0x98/0x28c [ 49.463609][ T5091] el0_svc_common+0x13c/0x258 [ 49.464530][ T5091] do_el0_svc+0x5c/0x140 [ 49.465330][ T5091] el0_svc+0x78/0x1d4 [ 49.466098][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 49.467035][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 49.467880][ T5091] irq event stamp: 79234 [ 49.468666][ T5091] hardirqs last enabled at (79233): [] finish_lock_switch+0xb0/0x1c8 [ 49.470678][ T5091] hardirqs last disabled at (79234): [] el1_dbg+0x24/0x80 [ 49.472471][ T5091] softirqs last enabled at (79208): [] handle_softirqs+0xa70/0xc14 [ 49.474341][ T5091] softirqs last disabled at (79197): [] __irq_exit_rcu+0x240/0x434 [ 49.476205][ T5091] ---[ end trace 9aa7eb689a771cb0 ]--- [ 49.478304][ T5091] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 49.479942][ T5091] BTRFS info (device loop0): forced readonly [ 49.666239][ T5112] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5112) [ 49.670073][ T5112] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.671793][ T5112] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.673373][ T5112] BTRFS info (device loop0): turning on flush-on-commit [ 49.674790][ T5112] BTRFS info (device loop0): disabling tree log [ 49.676001][ T5112] BTRFS info (device loop0): enabling auto defrag [ 49.677231][ T5112] BTRFS info (device loop0): using free space tree [ 49.678909][ T5112] BTRFS info (device loop0): has skinny extents [ 49.690879][ T5112] BTRFS info (device loop0): enabling ssd optimizations [ 49.696564][ T5112] FAULT_INJECTION: forcing a failure. [ 49.696564][ T5112] name failslab, interval 1, probability 0, space 0, times 0 [ 49.699405][ T5112] CPU: 1 PID: 5112 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.701148][ T5112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.703100][ T5112] Call trace: [ 49.703746][ T5112] dump_backtrace+0x0/0x458 [ 49.704585][ T5112] show_stack+0x2c/0x3c [ 49.705441][ T5112] __dump_stack+0x30/0x40 [ 49.706357][ T5112] dump_stack_lvl+0xf4/0x15c [ 49.707367][ T5112] dump_stack+0x1c/0x5c [ 49.708111][ T5112] should_fail+0x3c8/0x520 [ 49.708911][ T5112] __should_failslab+0xbc/0x10c [ 49.709813][ T5112] should_failslab+0x10/0x28 [ 49.710640][ T5112] slab_pre_alloc_hook+0x64/0xe8 [ 49.711568][ T5112] kmem_cache_alloc+0x94/0x3d8 [ 49.712410][ T5112] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 49.713395][ T5112] btrfs_inc_extent_ref+0xfc/0x188 [ 49.714307][ T5112] btrfs_insert_replace_extent+0x684/0x9b0 [ 49.715320][ T5112] btrfs_replace_file_extents+0x8a8/0x1284 [ 49.716388][ T5112] btrfs_clone+0xb6c/0x1dd4 [ 49.717177][ T5112] btrfs_clone_files+0x26c/0x314 [ 49.718075][ T5112] btrfs_remap_file_range+0x478/0xb8c [ 49.719044][ T5112] vfs_copy_file_range+0xa08/0x1058 [ 49.720010][ T5112] __arm64_sys_copy_file_range+0x538/0x8bc [ 49.721096][ T5112] invoke_syscall+0x98/0x28c [ 49.721961][ T5112] el0_svc_common+0x13c/0x258 [ 49.722871][ T5112] do_el0_svc+0x5c/0x140 [ 49.723560][ T5112] el0_svc+0x78/0x1d4 [ 49.724241][ T5112] el0t_64_sync_handler+0xcc/0xe4 [ 49.725143][ T5112] el0t_64_sync+0x1a0/0x1a4 [ 49.727597][ T5112] ------------[ cut here ]------------ [ 49.729038][ T5112] WARNING: CPU: 1 PID: 5112 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 49.730766][ T5112] Modules linked in: [ 49.731383][ T5112] CPU: 1 PID: 5112 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.732930][ T5112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.734537][ T5112] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.735790][ T5112] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 49.736786][ T5112] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 49.737735][ T5112] sp : ffff800021767460 [ 49.738436][ T5112] x29: ffff800021767580 x28: 00000000fffffff4 x27: ffff8000217678d0 [ 49.740054][ T5112] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000042ece9c [ 49.741765][ T5112] x23: ffff0000deede220 x22: ffff0000ded6f000 x21: ffff0000ce362e00 [ 49.743343][ T5112] x20: 1fffe0001bdade0b x19: ffff0000ded6f058 x18: 0000000000000000 [ 49.744879][ T5112] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 49.746356][ T5112] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 49.747778][ T5112] x11: ff80800008302588 x10: 0000000000000000 x9 : 363b75a42c153300 [ 49.749226][ T5112] x8 : 363b75a42c153300 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.750697][ T5112] x5 : ffff800021766d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 49.752122][ T5112] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.753507][ T5112] Call trace: [ 49.754004][ T5112] btrfs_replace_file_extents+0xd18/0x1284 [ 49.754936][ T5112] btrfs_clone+0xb6c/0x1dd4 [ 49.755700][ T5112] btrfs_clone_files+0x26c/0x314 [ 49.756541][ T5112] btrfs_remap_file_range+0x478/0xb8c [ 49.757413][ T5112] vfs_copy_file_range+0xa08/0x1058 [ 49.758256][ T5112] __arm64_sys_copy_file_range+0x538/0x8bc [ 49.759268][ T5112] invoke_syscall+0x98/0x28c [ 49.760028][ T5112] el0_svc_common+0x13c/0x258 [ 49.760828][ T5112] do_el0_svc+0x5c/0x140 [ 49.761582][ T5112] el0_svc+0x78/0x1d4 [ 49.762277][ T5112] el0t_64_sync_handler+0xcc/0xe4 [ 49.763208][ T5112] el0t_64_sync+0x1a0/0x1a4 [ 49.764034][ T5112] irq event stamp: 79426 [ 49.764792][ T5112] hardirqs last enabled at (79425): [] __up_console_sem+0xb4/0xfc [ 49.766618][ T5112] hardirqs last disabled at (79426): [] el1_dbg+0x24/0x80 [ 49.768150][ T5112] softirqs last enabled at (79414): [] handle_softirqs+0xa70/0xc14 [ 49.769907][ T5112] softirqs last disabled at (79397): [] __irq_exit_rcu+0x240/0x434 [ 49.771606][ T5112] ---[ end trace 9aa7eb689a771cb1 ]--- [ 49.773351][ T5112] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 49.775087][ T5112] BTRFS info (device loop0): forced readonly [ 49.963057][ T5133] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5133) [ 49.966907][ T5133] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.968581][ T5133] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.970204][ T5133] BTRFS info (device loop0): turning on flush-on-commit [ 49.985989][ T5133] FAULT_INJECTION: forcing a failure. [ 49.985989][ T5133] name failslab, interval 1, probability 0, space 0, times 0 [ 49.988638][ T5133] CPU: 1 PID: 5133 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.990437][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.992463][ T5133] Call trace: [ 49.993128][ T5133] dump_backtrace+0x0/0x458 [ 49.994117][ T5133] show_stack+0x2c/0x3c [ 49.994961][ T5133] __dump_stack+0x30/0x40 [ 49.995864][ T5133] dump_stack_lvl+0xf4/0x15c [ 49.996731][ T5133] dump_stack+0x1c/0x5c [ 49.997540][ T5133] should_fail+0x3c8/0x520 [ 49.998323][ T5133] __should_failslab+0xbc/0x10c [ 49.999233][ T5133] should_failslab+0x10/0x28 [ 50.000077][ T5133] slab_pre_alloc_hook+0x64/0xe8 [ 50.000977][ T5133] kmem_cache_alloc+0x94/0x3d8 [ 50.001855][ T5133] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 50.003022][ T5133] btrfs_inc_extent_ref+0xfc/0x188 [ 50.004011][ T5133] btrfs_insert_replace_extent+0x684/0x9b0 [ 50.005168][ T5133] btrfs_replace_file_extents+0x8a8/0x1284 [ 50.006335][ T5133] btrfs_clone+0xb6c/0x1dd4 [ 50.007275][ T5133] btrfs_clone_files+0x26c/0x314 [ 50.008168][ T5133] btrfs_remap_file_range+0x478/0xb8c [ 50.009144][ T5133] vfs_copy_file_range+0xa08/0x1058 [ 50.010042][ T5133] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.011103][ T5133] invoke_syscall+0x98/0x28c [ 50.011959][ T5133] el0_svc_common+0x13c/0x258 [ 50.012826][ T5133] do_el0_svc+0x5c/0x140 [ 50.013624][ T5133] el0_svc+0x78/0x1d4 [ 50.014358][ T5133] el0t_64_sync_handler+0xcc/0xe4 [ 50.015268][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 50.016865][ T5133] ------------[ cut here ]------------ [ 50.017961][ T5133] WARNING: CPU: 1 PID: 5133 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 50.019813][ T5133] Modules linked in: [ 50.020580][ T5133] CPU: 1 PID: 5133 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.022233][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.024430][ T5133] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.026119][ T5133] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 50.027321][ T5133] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 50.028578][ T5133] sp : ffff800021d77460 [ 50.029379][ T5133] x29: ffff800021d77580 x28: 00000000fffffff4 x27: ffff800021d778d0 [ 50.030891][ T5133] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000043aee9c [ 50.032392][ T5133] x23: ffff0000deedbae0 x22: ffff0000ded6f420 x21: ffff0000c6a0aa00 [ 50.033905][ T5133] x20: 1fffe0001bdade8f x19: ffff0000ded6f478 x18: 0000000000000000 [ 50.035426][ T5133] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 50.036927][ T5133] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 50.038435][ T5133] x11: ff80800008302588 x10: 0000000000000000 x9 : baaa98162d523e00 [ 50.040028][ T5133] x8 : baaa98162d523e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.041602][ T5133] x5 : ffff800021d76d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 50.043146][ T5133] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.044683][ T5133] Call trace: [ 50.045296][ T5133] btrfs_replace_file_extents+0xd18/0x1284 [ 50.046335][ T5133] btrfs_clone+0xb6c/0x1dd4 [ 50.047129][ T5133] btrfs_clone_files+0x26c/0x314 [ 50.047975][ T5133] btrfs_remap_file_range+0x478/0xb8c [ 50.048903][ T5133] vfs_copy_file_range+0xa08/0x1058 [ 50.049826][ T5133] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.050817][ T5133] invoke_syscall+0x98/0x28c [ 50.051623][ T5133] el0_svc_common+0x13c/0x258 [ 50.052422][ T5133] do_el0_svc+0x5c/0x140 [ 50.053165][ T5133] el0_svc+0x78/0x1d4 [ 50.053877][ T5133] el0t_64_sync_handler+0xcc/0xe4 [ 50.054882][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 50.055732][ T5133] irq event stamp: 79918 [ 50.056535][ T5133] hardirqs last enabled at (79917): [] __up_console_sem+0xb4/0xfc [ 50.058283][ T5133] hardirqs last disabled at (79918): [] el1_dbg+0x24/0x80 [ 50.059851][ T5133] softirqs last enabled at (79896): [] handle_softirqs+0xa70/0xc14 [ 50.061604][ T5133] softirqs last disabled at (79807): [] __irq_exit_rcu+0x240/0x434 [ 50.063327][ T5133] ---[ end trace 9aa7eb689a771cb2 ]--- [ 50.064827][ T5133] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 50.236771][ T5154] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5154) [ 50.253690][ T5154] FAULT_INJECTION: forcing a failure. [ 50.253690][ T5154] name failslab, interval 1, probability 0, space 0, times 0 [ 50.256182][ T5154] CPU: 1 PID: 5154 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.257706][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.259466][ T5154] Call trace: [ 50.260031][ T5154] dump_backtrace+0x0/0x458 [ 50.260801][ T5154] show_stack+0x2c/0x3c [ 50.261515][ T5154] __dump_stack+0x30/0x40 [ 50.262422][ T5154] dump_stack_lvl+0xf4/0x15c [ 50.263324][ T5154] dump_stack+0x1c/0x5c [ 50.264239][ T5154] should_fail+0x3c8/0x520 [ 50.265027][ T5154] __should_failslab+0xbc/0x10c [ 50.266007][ T5154] should_failslab+0x10/0x28 [ 50.266902][ T5154] slab_pre_alloc_hook+0x64/0xe8 [ 50.267840][ T5154] kmem_cache_alloc+0x94/0x3d8 [ 50.268667][ T5154] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 50.269741][ T5154] btrfs_inc_extent_ref+0xfc/0x188 [ 50.270805][ T5154] btrfs_insert_replace_extent+0x684/0x9b0 [ 50.271990][ T5154] btrfs_replace_file_extents+0x8a8/0x1284 [ 50.273177][ T5154] btrfs_clone+0xb6c/0x1dd4 [ 50.274044][ T5154] btrfs_clone_files+0x26c/0x314 [ 50.274988][ T5154] btrfs_remap_file_range+0x478/0xb8c [ 50.275999][ T5154] vfs_copy_file_range+0xa08/0x1058 [ 50.276948][ T5154] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.278037][ T5154] invoke_syscall+0x98/0x28c [ 50.278877][ T5154] el0_svc_common+0x13c/0x258 [ 50.279728][ T5154] do_el0_svc+0x5c/0x140 [ 50.280533][ T5154] el0_svc+0x78/0x1d4 [ 50.281266][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 50.282170][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 50.283344][ T5154] ------------[ cut here ]------------ [ 50.284353][ T5154] WARNING: CPU: 1 PID: 5154 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 50.286139][ T5154] Modules linked in: [ 50.286819][ T5154] CPU: 1 PID: 5154 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.288385][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.290128][ T5154] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.291475][ T5154] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 50.292558][ T5154] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 50.293642][ T5154] sp : ffff800021767460 [ 50.294388][ T5154] x29: ffff800021767580 x28: 00000000fffffff4 x27: ffff8000217678d0 [ 50.295864][ T5154] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000042ece9c [ 50.297390][ T5154] x23: ffff0000dec4f5c0 x22: ffff0000c066e6e0 x21: ffff0000dadfe900 [ 50.298816][ T5154] x20: 1fffe000180cdce7 x19: ffff0000c066e738 x18: 0000000000000000 [ 50.300282][ T5154] x17: 0000000000000000 x16: ffff8000082c6850 x15: 0000000000000000 [ 50.301765][ T5154] x14: 0000000000000001 x13: 1ffff000042ecdac x12: 0000000000000000 [ 50.303263][ T5154] x11: ff80800008302588 x10: 0000000000000000 x9 : d813d0f667c6a700 [ 50.304717][ T5154] x8 : d813d0f667c6a700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.306175][ T5154] x5 : ffff800021766d78 x4 : ffff80001449f5e0 x3 : ffff800008309eb0 [ 50.307566][ T5154] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.308937][ T5154] Call trace: [ 50.309510][ T5154] btrfs_replace_file_extents+0xd18/0x1284 [ 50.310512][ T5154] btrfs_clone+0xb6c/0x1dd4 [ 50.311338][ T5154] btrfs_clone_files+0x26c/0x314 [ 50.312206][ T5154] btrfs_remap_file_range+0x478/0xb8c [ 50.313194][ T5154] vfs_copy_file_range+0xa08/0x1058 [ 50.314118][ T5154] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.315157][ T5154] invoke_syscall+0x98/0x28c [ 50.315979][ T5154] el0_svc_common+0x13c/0x258 [ 50.316815][ T5154] do_el0_svc+0x5c/0x140 [ 50.317579][ T5154] el0_svc+0x78/0x1d4 [ 50.318293][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 50.319196][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 50.320017][ T5154] irq event stamp: 79408 [ 50.320778][ T5154] hardirqs last enabled at (79407): [] __up_console_sem+0xb4/0xfc [ 50.322527][ T5154] hardirqs last disabled at (79408): [] el1_dbg+0x24/0x80 [ 50.324056][ T5154] softirqs last enabled at (79386): [] handle_softirqs+0xa70/0xc14 [ 50.325817][ T5154] softirqs last disabled at (79341): [] __irq_exit_rcu+0x240/0x434 [ 50.327451][ T5154] ---[ end trace 9aa7eb689a771cb3 ]--- [ 50.328874][ T5154] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 50.506755][ T5175] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5175) [ 50.533175][ T5175] FAULT_INJECTION: forcing a failure. [ 50.533175][ T5175] name failslab, interval 1, probability 0, space 0, times 0 [ 50.535391][ T5175] CPU: 1 PID: 5175 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.536798][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.538407][ T5175] Call trace: [ 50.538982][ T5175] dump_backtrace+0x0/0x458 [ 50.539832][ T5175] show_stack+0x2c/0x3c [ 50.540565][ T5175] __dump_stack+0x30/0x40 [ 50.541328][ T5175] dump_stack_lvl+0xf4/0x15c [ 50.542135][ T5175] dump_stack+0x1c/0x5c [ 50.542853][ T5175] should_fail+0x3c8/0x520 [ 50.543640][ T5175] __should_failslab+0xbc/0x10c [ 50.544485][ T5175] should_failslab+0x10/0x28 [ 50.545290][ T5175] slab_pre_alloc_hook+0x64/0xe8 [ 50.546170][ T5175] kmem_cache_alloc+0x94/0x3d8 [ 50.547023][ T5175] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 50.548112][ T5175] btrfs_inc_extent_ref+0xfc/0x188 [ 50.549036][ T5175] btrfs_insert_replace_extent+0x684/0x9b0 [ 50.550125][ T5175] btrfs_replace_file_extents+0x8a8/0x1284 [ 50.551233][ T5175] btrfs_clone+0xb6c/0x1dd4 [ 50.552031][ T5175] btrfs_clone_files+0x26c/0x314 [ 50.552906][ T5175] btrfs_remap_file_range+0x478/0xb8c [ 50.553837][ T5175] vfs_copy_file_range+0xa08/0x1058 [ 50.554768][ T5175] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.555858][ T5175] invoke_syscall+0x98/0x28c [ 50.556704][ T5175] el0_svc_common+0x13c/0x258 [ 50.557634][ T5175] do_el0_svc+0x5c/0x140 [ 50.558413][ T5175] el0_svc+0x78/0x1d4 [ 50.559165][ T5175] el0t_64_sync_handler+0xcc/0xe4 [ 50.560098][ T5175] el0t_64_sync+0x1a0/0x1a4 [ 50.562018][ T5175] ------------[ cut here ]------------ [ 50.563172][ T5175] WARNING: CPU: 1 PID: 5175 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 50.564923][ T5175] Modules linked in: [ 50.565579][ T5175] CPU: 1 PID: 5175 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.567024][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.568665][ T5175] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.570092][ T5175] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 50.571152][ T5175] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 50.572248][ T5175] sp : ffff800022007460 [ 50.572880][ T5175] x29: ffff800022007580 x28: 00000000fffffff4 x27: ffff8000220078d0 [ 50.574351][ T5175] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700004400e9c [ 50.575873][ T5175] x23: ffff0000dec4ce80 x22: ffff0000c066e420 x21: ffff0000c93b6d00 [ 50.577385][ T5175] x20: 1fffe000180cdc8f x19: ffff0000c066e478 x18: 0000000000000000 [ 50.578863][ T5175] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 50.580317][ T5175] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 50.581804][ T5175] x11: ff80800008302588 x10: 0000000000000000 x9 : e6b95614a9ce3c00 [ 50.583234][ T5175] x8 : e6b95614a9ce3c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.584676][ T5175] x5 : ffff800022006d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 50.586098][ T5175] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.587547][ T5175] Call trace: [ 50.588146][ T5175] btrfs_replace_file_extents+0xd18/0x1284 [ 50.589206][ T5175] btrfs_clone+0xb6c/0x1dd4 [ 50.590049][ T5175] btrfs_clone_files+0x26c/0x314 [ 50.590915][ T5175] btrfs_remap_file_range+0x478/0xb8c [ 50.591853][ T5175] vfs_copy_file_range+0xa08/0x1058 [ 50.592794][ T5175] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.593822][ T5175] invoke_syscall+0x98/0x28c [ 50.594670][ T5175] el0_svc_common+0x13c/0x258 [ 50.595495][ T5175] do_el0_svc+0x5c/0x140 [ 50.596248][ T5175] el0_svc+0x78/0x1d4 [ 50.596956][ T5175] el0t_64_sync_handler+0xcc/0xe4 [ 50.597847][ T5175] el0t_64_sync+0x1a0/0x1a4 [ 50.598682][ T5175] irq event stamp: 79258 [ 50.599438][ T5175] hardirqs last enabled at (79257): [] __up_console_sem+0xb4/0xfc [ 50.601179][ T5175] hardirqs last disabled at (79258): [] el1_dbg+0x24/0x80 [ 50.602739][ T5175] softirqs last enabled at (79236): [] handle_softirqs+0xa70/0xc14 [ 50.604446][ T5175] softirqs last disabled at (79211): [] __irq_exit_rcu+0x240/0x434 [ 50.606167][ T5175] ---[ end trace 9aa7eb689a771cb4 ]--- [ 50.608044][ T5175] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory 1970/01/01 00:00:50 executed programs: 32 [ 50.771473][ T5196] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5196) [ 50.790076][ T5196] FAULT_INJECTION: forcing a failure. [ 50.790076][ T5196] name failslab, interval 1, probability 0, space 0, times 0 [ 50.792705][ T5196] CPU: 0 PID: 5196 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.794351][ T5196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.796123][ T5196] Call trace: [ 50.796705][ T5196] dump_backtrace+0x0/0x458 [ 50.797471][ T5196] show_stack+0x2c/0x3c [ 50.798200][ T5196] __dump_stack+0x30/0x40 [ 50.798952][ T5196] dump_stack_lvl+0xf4/0x15c [ 50.799836][ T5196] dump_stack+0x1c/0x5c [ 50.800582][ T5196] should_fail+0x3c8/0x520 [ 50.801390][ T5196] __should_failslab+0xbc/0x10c [ 50.802249][ T5196] should_failslab+0x10/0x28 [ 50.803024][ T5196] slab_pre_alloc_hook+0x64/0xe8 [ 50.803892][ T5196] kmem_cache_alloc+0x94/0x3d8 [ 50.804754][ T5196] btrfs_add_delayed_data_ref+0x174/0xd64 [ 50.805752][ T5196] btrfs_inc_extent_ref+0xfc/0x188 [ 50.806629][ T5196] btrfs_insert_replace_extent+0x684/0x9b0 [ 50.807693][ T5196] btrfs_replace_file_extents+0x8a8/0x1284 [ 50.808724][ T5196] btrfs_clone+0xb6c/0x1dd4 [ 50.809526][ T5196] btrfs_clone_files+0x26c/0x314 [ 50.810398][ T5196] btrfs_remap_file_range+0x478/0xb8c [ 50.811490][ T5196] vfs_copy_file_range+0xa08/0x1058 [ 50.812394][ T5196] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.813453][ T5196] invoke_syscall+0x98/0x28c [ 50.814294][ T5196] el0_svc_common+0x13c/0x258 [ 50.815098][ T5196] do_el0_svc+0x5c/0x140 [ 50.815843][ T5196] el0_svc+0x78/0x1d4 [ 50.816561][ T5196] el0t_64_sync_handler+0xcc/0xe4 [ 50.817489][ T5196] el0t_64_sync+0x1a0/0x1a4 [ 50.820343][ T5196] ------------[ cut here ]------------ [ 50.821562][ T5196] WARNING: CPU: 0 PID: 5196 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 50.823351][ T5196] Modules linked in: [ 50.824056][ T5196] CPU: 0 PID: 5196 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.825675][ T5196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.827433][ T5196] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.828752][ T5196] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 50.829798][ T5196] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 50.830867][ T5196] sp : ffff800022057460 [ 50.831580][ T5196] x29: ffff800022057580 x28: 00000000fffffff4 x27: ffff8000220578d0 [ 50.833010][ T5196] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000440ae9c [ 50.834404][ T5196] x23: ffff0000e259f5c0 x22: ffff0000ded72c60 x21: ffff0000cea3a300 [ 50.835894][ T5196] x20: 1fffe0001bdae597 x19: ffff0000ded72cb8 x18: 0000000000000002 [ 50.837291][ T5196] x17: 0000000040000000 x16: ffff8000082c6850 x15: 0000000000000002 [ 50.838655][ T5196] x14: 0000000000000003 x13: 1ffff0000440ad80 x12: 0000000000000000 [ 50.839978][ T5196] x11: ff8080000a7fdf28 x10: 0000000000000003 x9 : 8ed6f26fc6763e00 [ 50.841414][ T5196] x8 : 8ed6f26fc6763e00 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.842837][ T5196] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 50.844300][ T5196] x2 : 0000000000000007 x1 : ffff8000114db4c0 x0 : 0000000000000026 [ 50.845932][ T5196] Call trace: [ 50.846531][ T5196] btrfs_replace_file_extents+0xd18/0x1284 [ 50.847605][ T5196] btrfs_clone+0xb6c/0x1dd4 [ 50.848447][ T5196] btrfs_clone_files+0x26c/0x314 [ 50.849342][ T5196] btrfs_remap_file_range+0x478/0xb8c [ 50.850301][ T5196] vfs_copy_file_range+0xa08/0x1058 [ 50.851221][ T5196] __arm64_sys_copy_file_range+0x538/0x8bc [ 50.852281][ T5196] invoke_syscall+0x98/0x28c [ 50.853183][ T5196] el0_svc_common+0x13c/0x258 [ 50.854107][ T5196] do_el0_svc+0x5c/0x140 [ 50.854896][ T5196] el0_svc+0x78/0x1d4 [ 50.855608][ T5196] el0t_64_sync_handler+0xcc/0xe4 [ 50.856444][ T5196] el0t_64_sync+0x1a0/0x1a4 [ 50.857183][ T5196] irq event stamp: 79212 [ 50.857898][ T5196] hardirqs last enabled at (79211): [] finish_lock_switch+0xb0/0x1c8 [ 50.859568][ T5196] hardirqs last disabled at (79212): [] el1_dbg+0x24/0x80 [ 50.861039][ T5196] softirqs last enabled at (79188): [] handle_softirqs+0xa70/0xc14 [ 50.862725][ T5196] softirqs last disabled at (79169): [] __irq_exit_rcu+0x240/0x434 [ 50.864304][ T5196] ---[ end trace 9aa7eb689a771cb5 ]--- [ 50.865629][ T5196] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.047262][ T5218] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5218) [ 51.066613][ T5218] FAULT_INJECTION: forcing a failure. [ 51.066613][ T5218] name failslab, interval 1, probability 0, space 0, times 0 [ 51.069211][ T5218] CPU: 1 PID: 5218 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.070903][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.072793][ T5218] Call trace: [ 51.073397][ T5218] dump_backtrace+0x0/0x458 [ 51.074208][ T5218] show_stack+0x2c/0x3c [ 51.074971][ T5218] __dump_stack+0x30/0x40 [ 51.075787][ T5218] dump_stack_lvl+0xf4/0x15c [ 51.076615][ T5218] dump_stack+0x1c/0x5c [ 51.077382][ T5218] should_fail+0x3c8/0x520 [ 51.078149][ T5218] __should_failslab+0xbc/0x10c [ 51.078982][ T5218] should_failslab+0x10/0x28 [ 51.079786][ T5218] slab_pre_alloc_hook+0x64/0xe8 [ 51.080668][ T5218] kmem_cache_alloc+0x94/0x3d8 [ 51.081528][ T5218] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 51.082561][ T5218] btrfs_inc_extent_ref+0xfc/0x188 [ 51.083478][ T5218] btrfs_insert_replace_extent+0x684/0x9b0 [ 51.084540][ T5218] btrfs_replace_file_extents+0x8a8/0x1284 [ 51.085595][ T5218] btrfs_clone+0xb6c/0x1dd4 [ 51.086406][ T5218] btrfs_clone_files+0x26c/0x314 [ 51.087307][ T5218] btrfs_remap_file_range+0x478/0xb8c [ 51.088267][ T5218] vfs_copy_file_range+0xa08/0x1058 [ 51.089145][ T5218] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.090117][ T5218] invoke_syscall+0x98/0x28c [ 51.090937][ T5218] el0_svc_common+0x13c/0x258 [ 51.091788][ T5218] do_el0_svc+0x5c/0x140 [ 51.092538][ T5218] el0_svc+0x78/0x1d4 [ 51.093260][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 51.094173][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 51.096549][ T5218] ------------[ cut here ]------------ [ 51.097588][ T5218] WARNING: CPU: 1 PID: 5218 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 51.099492][ T5218] Modules linked in: [ 51.100235][ T5218] CPU: 1 PID: 5218 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.101995][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.103785][ T5218] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.105137][ T5218] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 51.106242][ T5218] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 51.107343][ T5218] sp : ffff800022277460 [ 51.108109][ T5218] x29: ffff800022277580 x28: 00000000fffffff4 x27: ffff8000222778d0 [ 51.109798][ T5218] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000444ee9c [ 51.111417][ T5218] x23: ffff0000dec489d0 x22: ffff0000c066e2c0 x21: ffff0000c9e06b00 [ 51.112940][ T5218] x20: 1fffe000180cdc63 x19: ffff0000c066e318 x18: 0000000000000000 [ 51.114590][ T5218] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 51.116140][ T5218] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 51.117676][ T5218] x11: ff80800008302588 x10: 0000000000000000 x9 : e37a4cb0ded32500 [ 51.119393][ T5218] x8 : e37a4cb0ded32500 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.121100][ T5218] x5 : ffff800022276d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 51.122704][ T5218] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.124454][ T5218] Call trace: [ 51.125127][ T5218] btrfs_replace_file_extents+0xd18/0x1284 [ 51.126212][ T5218] btrfs_clone+0xb6c/0x1dd4 [ 51.127027][ T5218] btrfs_clone_files+0x26c/0x314 [ 51.127924][ T5218] btrfs_remap_file_range+0x478/0xb8c [ 51.128900][ T5218] vfs_copy_file_range+0xa08/0x1058 [ 51.129862][ T5218] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.130936][ T5218] invoke_syscall+0x98/0x28c [ 51.131754][ T5218] el0_svc_common+0x13c/0x258 [ 51.132738][ T5218] do_el0_svc+0x5c/0x140 [ 51.133617][ T5218] el0_svc+0x78/0x1d4 [ 51.134400][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 51.135400][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 51.136306][ T5218] irq event stamp: 79328 [ 51.137093][ T5218] hardirqs last enabled at (79327): [] __up_console_sem+0xb4/0xfc [ 51.138810][ T5218] hardirqs last disabled at (79328): [] el1_dbg+0x24/0x80 [ 51.140305][ T5218] softirqs last enabled at (79306): [] handle_softirqs+0xa70/0xc14 [ 51.141968][ T5218] softirqs last disabled at (79293): [] __irq_exit_rcu+0x240/0x434 [ 51.143585][ T5218] ---[ end trace 9aa7eb689a771cb6 ]--- [ 51.145219][ T5218] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.331248][ T5239] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5239) [ 51.349486][ T5239] FAULT_INJECTION: forcing a failure. [ 51.349486][ T5239] name failslab, interval 1, probability 0, space 0, times 0 [ 51.352108][ T5239] CPU: 1 PID: 5239 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.353825][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.355734][ T5239] Call trace: [ 51.356357][ T5239] dump_backtrace+0x0/0x458 [ 51.357220][ T5239] show_stack+0x2c/0x3c [ 51.357979][ T5239] __dump_stack+0x30/0x40 [ 51.358790][ T5239] dump_stack_lvl+0xf4/0x15c [ 51.359716][ T5239] dump_stack+0x1c/0x5c [ 51.360433][ T5239] should_fail+0x3c8/0x520 [ 51.361242][ T5239] __should_failslab+0xbc/0x10c [ 51.362092][ T5239] should_failslab+0x10/0x28 [ 51.362919][ T5239] slab_pre_alloc_hook+0x64/0xe8 [ 51.363775][ T5239] kmem_cache_alloc+0x94/0x3d8 [ 51.364638][ T5239] btrfs_add_delayed_data_ref+0x174/0xd64 [ 51.365666][ T5239] btrfs_inc_extent_ref+0xfc/0x188 [ 51.366603][ T5239] btrfs_insert_replace_extent+0x684/0x9b0 [ 51.367628][ T5239] btrfs_replace_file_extents+0x8a8/0x1284 [ 51.368636][ T5239] btrfs_clone+0xb6c/0x1dd4 [ 51.369432][ T5239] btrfs_clone_files+0x26c/0x314 [ 51.370298][ T5239] btrfs_remap_file_range+0x478/0xb8c [ 51.371282][ T5239] vfs_copy_file_range+0xa08/0x1058 [ 51.372210][ T5239] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.373261][ T5239] invoke_syscall+0x98/0x28c [ 51.374080][ T5239] el0_svc_common+0x13c/0x258 [ 51.374905][ T5239] do_el0_svc+0x5c/0x140 [ 51.375637][ T5239] el0_svc+0x78/0x1d4 [ 51.376347][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 51.377218][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 51.379200][ T5239] ------------[ cut here ]------------ [ 51.380284][ T5239] WARNING: CPU: 1 PID: 5239 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 51.382097][ T5239] Modules linked in: [ 51.382838][ T5239] CPU: 1 PID: 5239 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.384542][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.386461][ T5239] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.388103][ T5239] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 51.389253][ T5239] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 51.390404][ T5239] sp : ffff800022277460 [ 51.391194][ T5239] x29: ffff800022277580 x28: 00000000fffffff4 x27: ffff8000222778d0 [ 51.392708][ T5239] x26: 0000000000000000 x25: dfff800000000000 x24: ffff70000444ee9c [ 51.394235][ T5239] x23: ffff0000e25575c0 x22: ffff0000c066ed10 x21: ffff0000c7f95600 [ 51.395799][ T5239] x20: 1fffe000180cddad x19: ffff0000c066ed68 x18: 0000000000000000 [ 51.397342][ T5239] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 51.398865][ T5239] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 51.400304][ T5239] x11: ff80800008302588 x10: 0000000000000000 x9 : 92c40677a855c100 [ 51.401764][ T5239] x8 : 92c40677a855c100 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.403223][ T5239] x5 : ffff800022276d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 51.404766][ T5239] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.406208][ T5239] Call trace: [ 51.406796][ T5239] btrfs_replace_file_extents+0xd18/0x1284 [ 51.407861][ T5239] btrfs_clone+0xb6c/0x1dd4 [ 51.408680][ T5239] btrfs_clone_files+0x26c/0x314 [ 51.409603][ T5239] btrfs_remap_file_range+0x478/0xb8c [ 51.410588][ T5239] vfs_copy_file_range+0xa08/0x1058 [ 51.411481][ T5239] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.412498][ T5239] invoke_syscall+0x98/0x28c [ 51.413337][ T5239] el0_svc_common+0x13c/0x258 [ 51.414162][ T5239] do_el0_svc+0x5c/0x140 [ 51.414929][ T5239] el0_svc+0x78/0x1d4 [ 51.415645][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 51.416540][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 51.417387][ T5239] irq event stamp: 79662 [ 51.418270][ T5239] hardirqs last enabled at (79661): [] __up_console_sem+0xb4/0xfc [ 51.420304][ T5239] hardirqs last disabled at (79662): [] el1_dbg+0x24/0x80 [ 51.422012][ T5239] softirqs last enabled at (79642): [] handle_softirqs+0xa70/0xc14 [ 51.423940][ T5239] softirqs last disabled at (79603): [] __irq_exit_rcu+0x240/0x434 [ 51.425732][ T5239] ---[ end trace 9aa7eb689a771cb7 ]--- [ 51.427546][ T5239] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.596908][ T5260] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5260) [ 51.615157][ T5260] FAULT_INJECTION: forcing a failure. [ 51.615157][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 51.617556][ T5260] CPU: 0 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.619244][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.621141][ T5260] Call trace: [ 51.621753][ T5260] dump_backtrace+0x0/0x458 [ 51.622600][ T5260] show_stack+0x2c/0x3c [ 51.623413][ T5260] __dump_stack+0x30/0x40 [ 51.624191][ T5260] dump_stack_lvl+0xf4/0x15c [ 51.624966][ T5260] dump_stack+0x1c/0x5c [ 51.625753][ T5260] should_fail+0x3c8/0x520 [ 51.626564][ T5260] __should_failslab+0xbc/0x10c [ 51.627547][ T5260] should_failslab+0x10/0x28 [ 51.628475][ T5260] slab_pre_alloc_hook+0x64/0xe8 [ 51.629464][ T5260] kmem_cache_alloc+0x94/0x3d8 [ 51.630364][ T5260] btrfs_add_delayed_data_ref+0x3f0/0xd64 [ 51.631441][ T5260] btrfs_inc_extent_ref+0xfc/0x188 [ 51.632419][ T5260] btrfs_insert_replace_extent+0x684/0x9b0 [ 51.633506][ T5260] btrfs_replace_file_extents+0x8a8/0x1284 [ 51.634623][ T5260] btrfs_clone+0xb6c/0x1dd4 [ 51.635418][ T5260] btrfs_clone_files+0x26c/0x314 [ 51.636310][ T5260] btrfs_remap_file_range+0x478/0xb8c [ 51.637273][ T5260] vfs_copy_file_range+0xa08/0x1058 [ 51.638177][ T5260] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.639241][ T5260] invoke_syscall+0x98/0x28c [ 51.640069][ T5260] el0_svc_common+0x13c/0x258 [ 51.640900][ T5260] do_el0_svc+0x5c/0x140 [ 51.641633][ T5260] el0_svc+0x78/0x1d4 [ 51.642352][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 51.643218][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 51.644755][ T5260] ------------[ cut here ]------------ [ 51.645833][ T5260] WARNING: CPU: 0 PID: 5260 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 51.647579][ T5260] Modules linked in: [ 51.648272][ T5260] CPU: 0 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.649818][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.651552][ T5260] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.652951][ T5260] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 51.654043][ T5260] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 51.655110][ T5260] sp : ffff800022727460 [ 51.655799][ T5260] x29: ffff800022727580 x28: 00000000fffffff4 x27: ffff8000227278d0 [ 51.657240][ T5260] x26: 0000000000000000 x25: dfff800000000000 x24: ffff7000044e4e9c [ 51.658658][ T5260] x23: ffff0000dec3d850 x22: ffff0000ded6fd10 x21: ffff0000cb068700 [ 51.660078][ T5260] x20: 1fffe0001bdadfad x19: ffff0000ded6fd68 x18: 0000000000000000 [ 51.661483][ T5260] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 51.662878][ T5260] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 51.664292][ T5260] x11: ff80800008302588 x10: 0000000000000000 x9 : 71ae5928ba361300 [ 51.665739][ T5260] x8 : 71ae5928ba361300 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.667135][ T5260] x5 : ffff800022726d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 51.668508][ T5260] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.669920][ T5260] Call trace: [ 51.670478][ T5260] btrfs_replace_file_extents+0xd18/0x1284 [ 51.671488][ T5260] btrfs_clone+0xb6c/0x1dd4 [ 51.672225][ T5260] btrfs_clone_files+0x26c/0x314 [ 51.673036][ T5260] btrfs_remap_file_range+0x478/0xb8c [ 51.673937][ T5260] vfs_copy_file_range+0xa08/0x1058 [ 51.674820][ T5260] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.675791][ T5260] invoke_syscall+0x98/0x28c [ 51.676575][ T5260] el0_svc_common+0x13c/0x258 [ 51.677383][ T5260] do_el0_svc+0x5c/0x140 [ 51.678111][ T5260] el0_svc+0x78/0x1d4 [ 51.678779][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 51.679632][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 51.680401][ T5260] irq event stamp: 79644 [ 51.681106][ T5260] hardirqs last enabled at (79643): [] __up_console_sem+0xb4/0xfc [ 51.682758][ T5260] hardirqs last disabled at (79644): [] el1_dbg+0x24/0x80 [ 51.684265][ T5260] softirqs last enabled at (79622): [] handle_softirqs+0xa70/0xc14 [ 51.685918][ T5260] softirqs last disabled at (79603): [] __irq_exit_rcu+0x240/0x434 [ 51.687556][ T5260] ---[ end trace 9aa7eb689a771cb8 ]--- [ 51.689527][ T5260] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.691365][ T5260] btrfs_printk: 59 callbacks suppressed [ 51.691373][ T5260] BTRFS info (device loop0): forced readonly [ 51.895201][ T5281] set_capacity_and_notify: 8 callbacks suppressed [ 51.895209][ T5281] loop0: detected capacity change from 0 to 32768 [ 51.899795][ T5281] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5281) [ 51.909251][ T5281] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.910960][ T5281] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.912328][ T5281] BTRFS info (device loop0): turning on flush-on-commit [ 51.913504][ T5281] BTRFS info (device loop0): disabling tree log [ 51.914580][ T5281] BTRFS info (device loop0): enabling auto defrag [ 51.915653][ T5281] BTRFS info (device loop0): using free space tree [ 51.916783][ T5281] BTRFS info (device loop0): has skinny extents [ 51.932982][ T5281] BTRFS info (device loop0): enabling ssd optimizations [ 51.938915][ T5281] FAULT_INJECTION: forcing a failure. [ 51.938915][ T5281] name failslab, interval 1, probability 0, space 0, times 0 [ 51.941100][ T5281] CPU: 1 PID: 5281 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.942626][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.944169][ T5281] Call trace: [ 51.944682][ T5281] dump_backtrace+0x0/0x458 [ 51.945416][ T5281] show_stack+0x2c/0x3c [ 51.946094][ T5281] __dump_stack+0x30/0x40 [ 51.946829][ T5281] dump_stack_lvl+0xf4/0x15c [ 51.947538][ T5281] dump_stack+0x1c/0x5c [ 51.948211][ T5281] should_fail+0x3c8/0x520 [ 51.949019][ T5281] __should_failslab+0xbc/0x10c [ 51.949922][ T5281] should_failslab+0x10/0x28 [ 51.950741][ T5281] slab_pre_alloc_hook+0x64/0xe8 [ 51.951617][ T5281] kmem_cache_alloc+0x94/0x3d8 [ 51.952470][ T5281] btrfs_add_delayed_data_ref+0x174/0xd64 [ 51.953485][ T5281] btrfs_inc_extent_ref+0xfc/0x188 [ 51.954461][ T5281] btrfs_insert_replace_extent+0x684/0x9b0 [ 51.955505][ T5281] btrfs_replace_file_extents+0x8a8/0x1284 [ 51.956605][ T5281] btrfs_clone+0xb6c/0x1dd4 [ 51.957449][ T5281] btrfs_clone_files+0x26c/0x314 [ 51.958350][ T5281] btrfs_remap_file_range+0x478/0xb8c [ 51.959374][ T5281] vfs_copy_file_range+0xa08/0x1058 [ 51.960315][ T5281] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.961415][ T5281] invoke_syscall+0x98/0x28c [ 51.962223][ T5281] el0_svc_common+0x13c/0x258 [ 51.963035][ T5281] do_el0_svc+0x5c/0x140 [ 51.963778][ T5281] el0_svc+0x78/0x1d4 [ 51.964490][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 51.965382][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 51.967491][ T5281] ------------[ cut here ]------------ [ 51.968583][ T5281] WARNING: CPU: 1 PID: 5281 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 [ 51.970282][ T5281] Modules linked in: [ 51.970950][ T5281] CPU: 1 PID: 5281 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.972456][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.974225][ T5281] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.975561][ T5281] pc : btrfs_replace_file_extents+0xd18/0x1284 [ 51.976603][ T5281] lr : btrfs_replace_file_extents+0xd18/0x1284 [ 51.977657][ T5281] sp : ffff8000229b7460 [ 51.978379][ T5281] x29: ffff8000229b7580 x28: 00000000fffffff4 x27: ffff8000229b78d0 [ 51.979987][ T5281] x26: 0000000000000000 x25: dfff800000000000 x24: ffff700004536e9c [ 51.981540][ T5281] x23: ffff0000dec3c4b0 x22: ffff0000c066edc0 x21: ffff0000ce363000 [ 51.983141][ T5281] x20: 1fffe000180cddc3 x19: ffff0000c066ee18 x18: 0000000000000000 [ 51.984738][ T5281] x17: 0000000000000000 x16: ffff80001137f534 x15: 0000000000000000 [ 51.986246][ T5281] x14: 0000000000000001 x13: 1fffe000341c57ab x12: 0000000000000000 [ 51.987796][ T5281] x11: ff80800008302588 x10: 0000000000000000 x9 : 4fc3b48ad4083f00 [ 51.989346][ T5281] x8 : 4fc3b48ad4083f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.990807][ T5281] x5 : ffff8000229b6d78 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 51.992334][ T5281] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.993751][ T5281] Call trace: [ 51.994330][ T5281] btrfs_replace_file_extents+0xd18/0x1284 [ 51.995370][ T5281] btrfs_clone+0xb6c/0x1dd4 [ 51.996161][ T5281] btrfs_clone_files+0x26c/0x314 [ 51.997029][ T5281] btrfs_remap_file_range+0x478/0xb8c [ 51.997980][ T5281] vfs_copy_file_range+0xa08/0x1058 [ 51.998928][ T5281] __arm64_sys_copy_file_range+0x538/0x8bc [ 51.999962][ T5281] invoke_syscall+0x98/0x28c [ 52.000745][ T5281] el0_svc_common+0x13c/0x258 [ 52.001567][ T5281] do_el0_svc+0x5c/0x140 [ 52.002366][ T5281] el0_svc+0x78/0x1d4 [ 52.003087][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 52.003967][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 52.004761][ T5281] irq event stamp: 79456 [ 52.005485][ T5281] hardirqs last enabled at (79455): [] __up_console_sem+0xb4/0xfc [ 52.007164][ T5281] hardirqs last disabled at (79456): [] el1_dbg+0x24/0x80 [ 52.008702][ T5281] softirqs last enabled at (79434): [] handle_softirqs+0xa70/0xc14 [ 52.010415][ T5281] softirqs last disabled at (79383): [] __irq_exit_rcu+0x240/0x434 [ 52.012112][ T5281] ---[ end trace 9aa7eb689a771cb9 ]--- [ 52.014600][ T5281] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.016364][ T5281] BTRFS info (device loop0): forced readonly