Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts. 1970/01/01 00:00:48 ignoring optional flag "type"="gce" 1970/01/01 00:00:48 parsed 1 programs 1970/01/01 00:00:48 executed programs: 0 [ 48.481503][ T4306] chnl_net:caif_netlink_parms(): no params data found [ 48.498699][ T4306] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.499802][ T4306] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.501276][ T4306] device bridge_slave_0 entered promiscuous mode [ 48.503165][ T4306] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.504540][ T4306] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.506021][ T4306] device bridge_slave_1 entered promiscuous mode [ 48.512881][ T4306] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.515639][ T4306] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.524120][ T4306] team0: Port device team_slave_0 added [ 48.525925][ T4306] team0: Port device team_slave_1 added [ 48.532257][ T4306] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.533540][ T4306] 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. [ 48.537489][ T4306] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.539823][ T4306] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.540924][ T4306] 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. [ 48.544842][ T4306] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.594415][ T4306] device hsr_slave_0 entered promiscuous mode [ 48.643613][ T4306] device hsr_slave_1 entered promiscuous mode [ 49.253202][ T4306] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.294485][ T4306] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.344927][ T4306] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.386073][ T4306] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.431269][ T4306] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.432434][ T4306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.433583][ T4306] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.434560][ T4306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.451530][ T4306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.456007][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.457818][ T612] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.459301][ T612] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.460941][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.466688][ T4306] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.470411][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.471844][ T612] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.472812][ T612] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.483276][ T4306] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.486083][ T4306] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.488808][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.490238][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.492187][ T612] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.493337][ T612] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.494719][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.496272][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.497850][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.499425][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.500966][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.502500][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.504608][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.506090][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.507633][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.509075][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.510530][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.511917][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.557169][ T4306] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.563462][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.564730][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.565817][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.568405][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.575195][ T4306] device veth0_vlan entered promiscuous mode [ 49.577741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.579145][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.580649][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.582031][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.586266][ T4306] device veth1_vlan entered promiscuous mode [ 49.593275][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.595019][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.596427][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.597871][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.601251][ T4306] device veth0_macvtap entered promiscuous mode [ 49.604606][ T4306] device veth1_macvtap entered promiscuous mode [ 49.609921][ T4306] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.611111][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.612488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.615236][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.616721][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.621838][ T4306] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.625630][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.627106][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.629203][ T4306] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.630485][ T4306] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.631774][ T4306] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.633142][ T4306] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.758344][ T4453] loop0: detected capacity change from 0 to 32768 [ 49.770916][ T4453] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4453) [ 49.785144][ T4453] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.786559][ T4453] BTRFS info (device loop0): using free space tree [ 49.787493][ T4453] BTRFS info (device loop0): has skinny extents [ 49.852617][ T4453] BTRFS info (device loop0): enabling ssd optimizations [ 49.869775][ T4453] FAULT_INJECTION: forcing a failure. [ 49.869775][ T4453] name failslab, interval 1, probability 0, space 0, times 1 [ 49.871860][ T4453] CPU: 0 PID: 4453 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.873123][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.874588][ T4453] Call trace: [ 49.875045][ T4453] dump_backtrace+0x0/0x43c [ 49.875737][ T4453] show_stack+0x2c/0x3c [ 49.876379][ T4453] __dump_stack+0x30/0x40 [ 49.877034][ T4453] dump_stack_lvl+0xf8/0x160 [ 49.877658][ T4453] dump_stack+0x1c/0x5c [ 49.878320][ T4453] should_fail+0x3c0/0x51c [ 49.878950][ T4453] __should_failslab+0xbc/0x10c [ 49.879672][ T4453] should_failslab+0x10/0x28 [ 49.880383][ T4453] slab_pre_alloc_hook+0x64/0xec [ 49.881041][ T4453] kmem_cache_alloc+0x94/0x3e4 [ 49.881747][ T4453] alloc_extent_map+0x28/0x128 [ 49.882514][ T4453] btrfs_drop_extent_cache+0x160/0xdec [ 49.883351][ T4453] btrfs_drop_extents+0x2c8/0x21a4 [ 49.884086][ T4453] btrfs_replace_file_extents+0x328/0x1290 [ 49.884913][ T4453] __btrfs_prealloc_file_range+0x390/0xb88 [ 49.885760][ T4453] btrfs_prealloc_file_range+0x60/0x7c [ 49.886636][ T4453] btrfs_fallocate+0x1330/0x1614 [ 49.887353][ T4453] vfs_fallocate+0x4a4/0x5f4 [ 49.888068][ T4453] ioctl_preallocate+0x22c/0x2c8 [ 49.888852][ T4453] do_vfs_ioctl+0x1a3c/0x2370 [ 49.889550][ T4453] __arm64_sys_ioctl+0xe4/0x1c8 [ 49.890261][ T4453] invoke_syscall+0x98/0x2b8 [ 49.890929][ T4453] el0_svc_common+0x138/0x258 [ 49.891657][ T4453] do_el0_svc+0x58/0x14c [ 49.892263][ T4453] el0_svc+0x78/0x1e0 [ 49.892786][ T4453] el0t_64_sync_handler+0xcc/0xe4 [ 49.893522][ T4453] el0t_64_sync+0x1a0/0x1a4 [ 50.111613][ T4526] loop0: detected capacity change from 0 to 32768 [ 50.120416][ T4526] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4526) [ 50.137059][ T4526] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.138496][ T4526] BTRFS info (device loop0): using free space tree [ 50.139583][ T4526] BTRFS info (device loop0): has skinny extents [ 50.188473][ T4526] BTRFS info (device loop0): enabling ssd optimizations [ 50.192821][ T4526] FAULT_INJECTION: forcing a failure. [ 50.192821][ T4526] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 50.195986][ T4526] CPU: 1 PID: 4526 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.197207][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.198681][ T4526] Call trace: [ 50.199169][ T4526] dump_backtrace+0x0/0x43c [ 50.199847][ T4526] show_stack+0x2c/0x3c [ 50.200508][ T4526] __dump_stack+0x30/0x40 [ 50.201124][ T4526] dump_stack_lvl+0xf8/0x160 [ 50.201720][ T4526] dump_stack+0x1c/0x5c [ 50.202336][ T4526] should_fail+0x3c0/0x51c [ 50.202955][ T4526] should_fail_alloc_page+0x74/0xa8 [ 50.203710][ T4526] prepare_alloc_pages+0x160/0x460 [ 50.204502][ T4526] __alloc_pages+0x108/0x470 [ 50.205200][ T4526] alloc_pages+0x34c/0x5c0 [ 50.205842][ T4526] new_slab+0xe0/0x55c [ 50.206426][ T4526] ___slab_alloc+0x6c0/0xda8 [ 50.207111][ T4526] __slab_alloc+0x68/0xc0 [ 50.207780][ T4526] kmem_cache_alloc+0x2ac/0x3e4 [ 50.208486][ T4526] btrfs_add_delayed_data_ref+0x164/0xd0c [ 50.209284][ T4526] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 50.210316][ T4526] btrfs_insert_replace_extent+0x7e4/0x970 [ 50.211109][ T4526] btrfs_replace_file_extents+0xa68/0x1290 [ 50.211975][ T4526] __btrfs_prealloc_file_range+0x390/0xb88 [ 50.212829][ T4526] btrfs_prealloc_file_range+0x60/0x7c [ 50.213613][ T4526] btrfs_fallocate+0x1330/0x1614 [ 50.214250][ T4526] vfs_fallocate+0x4a4/0x5f4 [ 50.214953][ T4526] ioctl_preallocate+0x22c/0x2c8 [ 50.215712][ T4526] do_vfs_ioctl+0x1a3c/0x2370 [ 50.216398][ T4526] __arm64_sys_ioctl+0xe4/0x1c8 [ 50.217119][ T4526] invoke_syscall+0x98/0x2b8 [ 50.217851][ T4526] el0_svc_common+0x138/0x258 [ 50.218503][ T4526] do_el0_svc+0x58/0x14c [ 50.219145][ T4526] el0_svc+0x78/0x1e0 [ 50.219682][ T4526] el0t_64_sync_handler+0xcc/0xe4 [ 50.220456][ T4526] el0t_64_sync+0x1a0/0x1a4 [ 50.411067][ T4576] loop0: detected capacity change from 0 to 32768 [ 50.425208][ T4576] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4576) [ 50.434964][ T4576] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.436385][ T4576] BTRFS info (device loop0): using free space tree [ 50.437321][ T4576] BTRFS info (device loop0): has skinny extents [ 50.494338][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 50.522696][ T4576] BTRFS info (device loop0): enabling ssd optimizations [ 50.527785][ T4576] FAULT_INJECTION: forcing a failure. [ 50.527785][ T4576] name failslab, interval 1, probability 0, space 0, times 0 [ 50.529821][ T4576] CPU: 1 PID: 4576 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.530954][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.532465][ T4576] Call trace: [ 50.532947][ T4576] dump_backtrace+0x0/0x43c [ 50.533688][ T4576] show_stack+0x2c/0x3c [ 50.534253][ T4576] __dump_stack+0x30/0x40 [ 50.534945][ T4576] dump_stack_lvl+0xf8/0x160 [ 50.535617][ T4576] dump_stack+0x1c/0x5c [ 50.536259][ T4576] should_fail+0x3c0/0x51c [ 50.536940][ T4576] __should_failslab+0xbc/0x10c [ 50.537601][ T4576] should_failslab+0x10/0x28 [ 50.538249][ T4576] slab_pre_alloc_hook+0x64/0xec [ 50.538941][ T4576] kmem_cache_alloc+0x94/0x3e4 [ 50.539582][ T4576] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 50.540447][ T4576] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 50.541336][ T4576] btrfs_insert_replace_extent+0x7e4/0x970 [ 50.542199][ T4576] btrfs_replace_file_extents+0xa68/0x1290 [ 50.543081][ T4576] __btrfs_prealloc_file_range+0x390/0xb88 [ 50.543941][ T4576] btrfs_prealloc_file_range+0x60/0x7c [ 50.544735][ T4576] btrfs_fallocate+0x1330/0x1614 [ 50.545488][ T4576] vfs_fallocate+0x4a4/0x5f4 [ 50.546197][ T4576] ioctl_preallocate+0x22c/0x2c8 [ 50.546903][ T4576] do_vfs_ioctl+0x1a3c/0x2370 [ 50.547585][ T4576] __arm64_sys_ioctl+0xe4/0x1c8 [ 50.548316][ T4576] invoke_syscall+0x98/0x2b8 [ 50.548986][ T4576] el0_svc_common+0x138/0x258 [ 50.549702][ T4576] do_el0_svc+0x58/0x14c [ 50.550288][ T4576] el0_svc+0x78/0x1e0 [ 50.550847][ T4576] el0t_64_sync_handler+0xcc/0xe4 [ 50.551594][ T4576] el0t_64_sync+0x1a0/0x1a4 [ 50.553252][ T4576] ------------[ cut here ]------------ [ 50.554298][ T4576] WARNING: CPU: 1 PID: 4576 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 50.555716][ T4576] Modules linked in: [ 50.556362][ T4576] CPU: 1 PID: 4576 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.557516][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.558991][ T4576] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.560095][ T4576] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 50.561045][ T4576] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 50.561959][ T4576] sp : ffff80001f8171e0 [ 50.562606][ T4576] x29: ffff80001f817300 x28: 0000000000000fff x27: 0000000000000000 [ 50.563762][ T4576] x26: dfff800000000000 x25: ffff0000de6d0000 x24: ffff0000defa3110 [ 50.564907][ T4576] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec318 [ 50.566055][ T4576] x20: ffff0000decec2c0 x19: 1fffe0001bd9d863 x18: 0000000000000001 [ 50.567241][ T4576] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 50.568464][ T4576] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.569597][ T4576] x11: 0000000000000000 x10: 0000000000000000 x9 : a4f5a0e5cd0cbe00 [ 50.570824][ T4576] x8 : a4f5a0e5cd0cbe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.571966][ T4576] x5 : ffff80001f816ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 50.573188][ T4576] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.574415][ T4576] Call trace: [ 50.574853][ T4576] btrfs_replace_file_extents+0xcc4/0x1290 [ 50.575715][ T4576] __btrfs_prealloc_file_range+0x390/0xb88 [ 50.576628][ T4576] btrfs_prealloc_file_range+0x60/0x7c [ 50.577399][ T4576] btrfs_fallocate+0x1330/0x1614 [ 50.578104][ T4576] vfs_fallocate+0x4a4/0x5f4 [ 50.578823][ T4576] ioctl_preallocate+0x22c/0x2c8 [ 50.579562][ T4576] do_vfs_ioctl+0x1a3c/0x2370 [ 50.580291][ T4576] __arm64_sys_ioctl+0xe4/0x1c8 [ 50.580990][ T4576] invoke_syscall+0x98/0x2b8 [ 50.581681][ T4576] el0_svc_common+0x138/0x258 [ 50.582353][ T4576] do_el0_svc+0x58/0x14c [ 50.582951][ T4576] el0_svc+0x78/0x1e0 [ 50.583538][ T4576] el0t_64_sync_handler+0xcc/0xe4 [ 50.584311][ T4576] el0t_64_sync+0x1a0/0x1a4 [ 50.584966][ T4576] irq event stamp: 78990 [ 50.585562][ T4576] hardirqs last enabled at (78989): [] __up_console_sem+0xb4/0x100 [ 50.586933][ T4576] hardirqs last disabled at (78990): [] el1_dbg+0x24/0x80 [ 50.588212][ T4576] softirqs last enabled at (78978): [] handle_softirqs+0xa4c/0xbf0 [ 50.589643][ T4576] softirqs last disabled at (78967): [] __irq_exit_rcu+0x240/0x440 [ 50.591044][ T4576] ---[ end trace e046304e0aebb691 ]--- [ 50.602005][ T4576] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 50.604389][ T4576] BTRFS info (device loop0): forced readonly [ 50.790159][ T4649] loop0: detected capacity change from 0 to 32768 [ 50.794374][ T4649] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4649) [ 50.799237][ T4649] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 50.800678][ T4649] BTRFS info (device loop0): using free space tree [ 50.801822][ T4649] BTRFS info (device loop0): has skinny extents [ 50.811461][ T4649] BTRFS info (device loop0): enabling ssd optimizations [ 50.826759][ T4649] FAULT_INJECTION: forcing a failure. [ 50.826759][ T4649] name failslab, interval 1, probability 0, space 0, times 0 [ 50.828967][ T4649] CPU: 1 PID: 4649 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.830371][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.831893][ T4649] Call trace: [ 50.832414][ T4649] dump_backtrace+0x0/0x43c [ 50.833069][ T4649] show_stack+0x2c/0x3c [ 50.833692][ T4649] __dump_stack+0x30/0x40 [ 50.834327][ T4649] dump_stack_lvl+0xf8/0x160 [ 50.834966][ T4649] dump_stack+0x1c/0x5c [ 50.835603][ T4649] should_fail+0x3c0/0x51c [ 50.836290][ T4649] __should_failslab+0xbc/0x10c [ 50.836998][ T4649] should_failslab+0x10/0x28 [ 50.837681][ T4649] slab_pre_alloc_hook+0x64/0xec [ 50.838424][ T4649] kmem_cache_alloc+0x94/0x3e4 [ 50.839132][ T4649] alloc_extent_map+0x28/0x128 [ 50.839863][ T4649] btrfs_drop_extent_cache+0x160/0xdec [ 50.840697][ T4649] btrfs_drop_extents+0x2c8/0x21a4 [ 50.841398][ T4649] btrfs_replace_file_extents+0x328/0x1290 [ 50.842224][ T4649] __btrfs_prealloc_file_range+0x390/0xb88 [ 50.843024][ T4649] btrfs_prealloc_file_range+0x60/0x7c [ 50.843842][ T4649] btrfs_fallocate+0x1330/0x1614 [ 50.844593][ T4649] vfs_fallocate+0x4a4/0x5f4 [ 50.845258][ T4649] ioctl_preallocate+0x22c/0x2c8 [ 50.845982][ T4649] do_vfs_ioctl+0x1a3c/0x2370 [ 50.846725][ T4649] __arm64_sys_ioctl+0xe4/0x1c8 [ 50.847448][ T4649] invoke_syscall+0x98/0x2b8 [ 50.848157][ T4649] el0_svc_common+0x138/0x258 [ 50.848796][ T4649] do_el0_svc+0x58/0x14c [ 50.849417][ T4649] el0_svc+0x78/0x1e0 [ 50.850037][ T4649] el0t_64_sync_handler+0xcc/0xe4 [ 50.850797][ T4649] el0t_64_sync+0x1a0/0x1a4 [ 51.060543][ T4700] loop0: detected capacity change from 0 to 32768 [ 51.071319][ T4700] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4700) [ 51.079948][ T4700] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.081474][ T4700] BTRFS info (device loop0): using free space tree [ 51.082383][ T4700] BTRFS info (device loop0): has skinny extents [ 51.144890][ T4700] BTRFS info (device loop0): enabling ssd optimizations [ 51.149352][ T4700] FAULT_INJECTION: forcing a failure. [ 51.149352][ T4700] name failslab, interval 1, probability 0, space 0, times 0 [ 51.159094][ T4700] CPU: 1 PID: 4700 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.160496][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.162091][ T4700] Call trace: [ 51.162616][ T4700] dump_backtrace+0x0/0x43c [ 51.163298][ T4700] show_stack+0x2c/0x3c [ 51.163867][ T4700] __dump_stack+0x30/0x40 [ 51.164568][ T4700] dump_stack_lvl+0xf8/0x160 [ 51.165233][ T4700] dump_stack+0x1c/0x5c [ 51.165830][ T4700] should_fail+0x3c0/0x51c [ 51.166416][ T4700] __should_failslab+0xbc/0x10c [ 51.167104][ T4700] should_failslab+0x10/0x28 [ 51.167786][ T4700] slab_pre_alloc_hook+0x64/0xec [ 51.168483][ T4700] kmem_cache_alloc+0x94/0x3e4 [ 51.169179][ T4700] btrfs_add_delayed_data_ref+0x164/0xd0c [ 51.169963][ T4700] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 51.170889][ T4700] btrfs_insert_replace_extent+0x7e4/0x970 [ 51.171709][ T4700] btrfs_replace_file_extents+0xa68/0x1290 [ 51.172557][ T4700] __btrfs_prealloc_file_range+0x390/0xb88 [ 51.173408][ T4700] btrfs_prealloc_file_range+0x60/0x7c [ 51.174182][ T4700] btrfs_fallocate+0x1330/0x1614 [ 51.174891][ T4700] vfs_fallocate+0x4a4/0x5f4 [ 51.175559][ T4700] ioctl_preallocate+0x22c/0x2c8 [ 51.176248][ T4700] do_vfs_ioctl+0x1a3c/0x2370 [ 51.176879][ T4700] __arm64_sys_ioctl+0xe4/0x1c8 [ 51.177632][ T4700] invoke_syscall+0x98/0x2b8 [ 51.178385][ T4700] el0_svc_common+0x138/0x258 [ 51.179097][ T4700] do_el0_svc+0x58/0x14c [ 51.179793][ T4700] el0_svc+0x78/0x1e0 [ 51.180398][ T4700] el0t_64_sync_handler+0xcc/0xe4 [ 51.181119][ T4700] el0t_64_sync+0x1a0/0x1a4 [ 51.182482][ T4700] ------------[ cut here ]------------ [ 51.183373][ T4700] WARNING: CPU: 1 PID: 4700 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 51.184863][ T4700] Modules linked in: [ 51.185460][ T4700] CPU: 1 PID: 4700 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.186714][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.188202][ T4700] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.189400][ T4700] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 51.190378][ T4700] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 51.191233][ T4700] sp : ffff80001fb671e0 [ 51.191860][ T4700] x29: ffff80001fb67300 x28: 0000000000000fff x27: 0000000000000000 [ 51.193011][ T4700] x26: dfff800000000000 x25: ffff0000d25ee000 x24: ffff0000defa6bf0 [ 51.194201][ T4700] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec738 [ 51.195368][ T4700] x20: ffff0000decec6e0 x19: 1fffe0001bd9d8e7 x18: 0000000000000001 [ 51.196547][ T4700] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 51.197720][ T4700] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.198886][ T4700] x11: 0000000000000000 x10: 0000000000000000 x9 : ab5cb443cedae900 [ 51.200195][ T4700] x8 : ab5cb443cedae900 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.201430][ T4700] x5 : ffff80001fb66ad8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 51.202613][ T4700] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.203858][ T4700] Call trace: [ 51.204349][ T4700] btrfs_replace_file_extents+0xcc4/0x1290 [ 51.205192][ T4700] __btrfs_prealloc_file_range+0x390/0xb88 [ 51.206020][ T4700] btrfs_prealloc_file_range+0x60/0x7c [ 51.206780][ T4700] btrfs_fallocate+0x1330/0x1614 [ 51.207454][ T4700] vfs_fallocate+0x4a4/0x5f4 [ 51.208104][ T4700] ioctl_preallocate+0x22c/0x2c8 [ 51.208863][ T4700] do_vfs_ioctl+0x1a3c/0x2370 [ 51.209536][ T4700] __arm64_sys_ioctl+0xe4/0x1c8 [ 51.210274][ T4700] invoke_syscall+0x98/0x2b8 [ 51.210876][ T4700] el0_svc_common+0x138/0x258 [ 51.211517][ T4700] do_el0_svc+0x58/0x14c [ 51.212109][ T4700] el0_svc+0x78/0x1e0 [ 51.212671][ T4700] el0t_64_sync_handler+0xcc/0xe4 [ 51.213499][ T4700] el0t_64_sync+0x1a0/0x1a4 [ 51.214179][ T4700] irq event stamp: 79812 [ 51.214804][ T4700] hardirqs last enabled at (79811): [] __up_console_sem+0xb4/0x100 [ 51.216222][ T4700] hardirqs last disabled at (79812): [] el1_dbg+0x24/0x80 [ 51.217414][ T4700] softirqs last enabled at (79792): [] handle_softirqs+0xa4c/0xbf0 [ 51.218768][ T4700] softirqs last disabled at (79761): [] __irq_exit_rcu+0x240/0x440 [ 51.220068][ T4700] ---[ end trace e046304e0aebb692 ]--- [ 51.223514][ T4700] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.225275][ T4700] BTRFS info (device loop0): forced readonly [ 51.388251][ T4761] loop0: detected capacity change from 0 to 32768 [ 51.398436][ T4761] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4761) [ 51.405119][ T4761] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.406583][ T4761] BTRFS info (device loop0): using free space tree [ 51.407520][ T4761] BTRFS info (device loop0): has skinny extents [ 51.442777][ T4761] BTRFS info (device loop0): enabling ssd optimizations [ 51.447534][ T4761] FAULT_INJECTION: forcing a failure. [ 51.447534][ T4761] name failslab, interval 1, probability 0, space 0, times 0 [ 51.449541][ T4761] CPU: 1 PID: 4761 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.450883][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.452353][ T4761] Call trace: [ 51.452822][ T4761] dump_backtrace+0x0/0x43c [ 51.453482][ T4761] show_stack+0x2c/0x3c [ 51.454065][ T4761] __dump_stack+0x30/0x40 [ 51.454654][ T4761] dump_stack_lvl+0xf8/0x160 [ 51.455309][ T4761] dump_stack+0x1c/0x5c [ 51.455910][ T4761] should_fail+0x3c0/0x51c [ 51.456529][ T4761] __should_failslab+0xbc/0x10c [ 51.457321][ T4761] should_failslab+0x10/0x28 [ 51.457927][ T4761] slab_pre_alloc_hook+0x64/0xec [ 51.458674][ T4761] kmem_cache_alloc+0x94/0x3e4 [ 51.459404][ T4761] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 51.460229][ T4761] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 51.461195][ T4761] btrfs_insert_replace_extent+0x7e4/0x970 [ 51.462142][ T4761] btrfs_replace_file_extents+0xa68/0x1290 [ 51.463022][ T4761] __btrfs_prealloc_file_range+0x390/0xb88 [ 51.463856][ T4761] btrfs_prealloc_file_range+0x60/0x7c [ 51.464709][ T4761] btrfs_fallocate+0x1330/0x1614 [ 51.465371][ T4761] vfs_fallocate+0x4a4/0x5f4 [ 51.466102][ T4761] ioctl_preallocate+0x22c/0x2c8 [ 51.466781][ T4761] do_vfs_ioctl+0x1a3c/0x2370 [ 51.467470][ T4761] __arm64_sys_ioctl+0xe4/0x1c8 [ 51.468176][ T4761] invoke_syscall+0x98/0x2b8 [ 51.468873][ T4761] el0_svc_common+0x138/0x258 [ 51.469598][ T4761] do_el0_svc+0x58/0x14c [ 51.470215][ T4761] el0_svc+0x78/0x1e0 [ 51.470798][ T4761] el0t_64_sync_handler+0xcc/0xe4 [ 51.471511][ T4761] el0t_64_sync+0x1a0/0x1a4 [ 51.475814][ T4761] ------------[ cut here ]------------ [ 51.476872][ T4761] WARNING: CPU: 1 PID: 4761 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 51.478338][ T4761] Modules linked in: [ 51.478874][ T4761] CPU: 1 PID: 4761 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.480325][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.481754][ T4761] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.482906][ T4761] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 51.483797][ T4761] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 51.484673][ T4761] sp : ffff80001fb971e0 [ 51.485271][ T4761] x29: ffff80001fb97300 x28: 0000000000000fff x27: 0000000000000000 [ 51.486412][ T4761] x26: dfff800000000000 x25: ffff0000d75fc000 x24: ffff0000dee389d0 [ 51.487514][ T4761] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec898 [ 51.488690][ T4761] x20: ffff0000decec840 x19: 1fffe0001bd9d913 x18: 0000000000000001 [ 51.489810][ T4761] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 51.490943][ T4761] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.492185][ T4761] x11: 0000000000000000 x10: 0000000000000000 x9 : 671b01f8d9cfce00 [ 51.493360][ T4761] x8 : 671b01f8d9cfce00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.494535][ T4761] x5 : ffff80001fb96ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 51.495640][ T4761] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.496799][ T4761] Call trace: [ 51.497245][ T4761] btrfs_replace_file_extents+0xcc4/0x1290 [ 51.498027][ T4761] __btrfs_prealloc_file_range+0x390/0xb88 [ 51.498793][ T4761] btrfs_prealloc_file_range+0x60/0x7c [ 51.499626][ T4761] btrfs_fallocate+0x1330/0x1614 [ 51.500385][ T4761] vfs_fallocate+0x4a4/0x5f4 [ 51.501097][ T4761] ioctl_preallocate+0x22c/0x2c8 [ 51.501876][ T4761] do_vfs_ioctl+0x1a3c/0x2370 [ 51.502574][ T4761] __arm64_sys_ioctl+0xe4/0x1c8 [ 51.503332][ T4761] invoke_syscall+0x98/0x2b8 [ 51.504055][ T4761] el0_svc_common+0x138/0x258 [ 51.504771][ T4761] do_el0_svc+0x58/0x14c [ 51.505458][ T4761] el0_svc+0x78/0x1e0 [ 51.506032][ T4761] el0t_64_sync_handler+0xcc/0xe4 [ 51.506728][ T4761] el0t_64_sync+0x1a0/0x1a4 [ 51.507343][ T4761] irq event stamp: 80488 [ 51.508018][ T4761] hardirqs last enabled at (80487): [] __up_console_sem+0xb4/0x100 [ 51.509493][ T4761] hardirqs last disabled at (80488): [] el1_dbg+0x24/0x80 [ 51.510764][ T4761] softirqs last enabled at (80466): [] handle_softirqs+0xa4c/0xbf0 [ 51.512199][ T4761] softirqs last disabled at (80435): [] __irq_exit_rcu+0x240/0x440 [ 51.513606][ T4761] ---[ end trace e046304e0aebb693 ]--- [ 51.517105][ T4761] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.518697][ T4761] BTRFS info (device loop0): forced readonly [ 51.707293][ T4813] loop0: detected capacity change from 0 to 32768 [ 51.711436][ T4813] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4813) [ 51.716540][ T4813] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.718075][ T4813] BTRFS info (device loop0): using free space tree [ 51.719099][ T4813] BTRFS info (device loop0): has skinny extents [ 51.778158][ T4813] BTRFS info (device loop0): enabling ssd optimizations [ 51.782095][ T4813] FAULT_INJECTION: forcing a failure. [ 51.782095][ T4813] name failslab, interval 1, probability 0, space 0, times 0 [ 51.785446][ T4813] CPU: 1 PID: 4813 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.786873][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.788322][ T4813] Call trace: [ 51.788781][ T4813] dump_backtrace+0x0/0x43c [ 51.789401][ T4813] show_stack+0x2c/0x3c [ 51.789968][ T4813] __dump_stack+0x30/0x40 [ 51.790634][ T4813] dump_stack_lvl+0xf8/0x160 [ 51.791300][ T4813] dump_stack+0x1c/0x5c [ 51.791919][ T4813] should_fail+0x3c0/0x51c [ 51.792548][ T4813] __should_failslab+0xbc/0x10c [ 51.793298][ T4813] should_failslab+0x10/0x28 [ 51.793941][ T4813] slab_pre_alloc_hook+0x64/0xec [ 51.794676][ T4813] kmem_cache_alloc+0x94/0x3e4 [ 51.795387][ T4813] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 51.796204][ T4813] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 51.797105][ T4813] btrfs_insert_replace_extent+0x7e4/0x970 [ 51.798015][ T4813] btrfs_replace_file_extents+0xa68/0x1290 [ 51.798853][ T4813] __btrfs_prealloc_file_range+0x390/0xb88 [ 51.799685][ T4813] btrfs_prealloc_file_range+0x60/0x7c [ 51.800507][ T4813] btrfs_fallocate+0x1330/0x1614 [ 51.801257][ T4813] vfs_fallocate+0x4a4/0x5f4 [ 51.801946][ T4813] ioctl_preallocate+0x22c/0x2c8 [ 51.802709][ T4813] do_vfs_ioctl+0x1a3c/0x2370 [ 51.803385][ T4813] __arm64_sys_ioctl+0xe4/0x1c8 [ 51.804100][ T4813] invoke_syscall+0x98/0x2b8 [ 51.804760][ T4813] el0_svc_common+0x138/0x258 [ 51.805523][ T4813] do_el0_svc+0x58/0x14c [ 51.806130][ T4813] el0_svc+0x78/0x1e0 [ 51.806751][ T4813] el0t_64_sync_handler+0xcc/0xe4 [ 51.807446][ T4813] el0t_64_sync+0x1a0/0x1a4 [ 51.810141][ T4813] ------------[ cut here ]------------ [ 51.811118][ T4813] WARNING: CPU: 1 PID: 4813 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 51.812627][ T4813] Modules linked in: [ 51.813154][ T4813] CPU: 1 PID: 4813 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.814550][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.816085][ T4813] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.817227][ T4813] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 51.818144][ T4813] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 51.819005][ T4813] sp : ffff80001b8871e0 [ 51.819590][ T4813] x29: ffff80001b887300 x28: 0000000000000fff x27: 0000000000000000 [ 51.820854][ T4813] x26: dfff800000000000 x25: ffff0000e35d6000 x24: ffff0000dee3a740 [ 51.822025][ T4813] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec9f8 [ 51.823069][ T4813] x20: ffff0000decec9a0 x19: 1fffe0001bd9d93f x18: 0000000000000001 [ 51.824170][ T4813] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 51.825314][ T4813] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.826530][ T4813] x11: 0000000000000000 x10: 0000000000000000 x9 : 07d4b41d6717a900 [ 51.827752][ T4813] x8 : 07d4b41d6717a900 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.828937][ T4813] x5 : ffff80001b886ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 51.830143][ T4813] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.831275][ T4813] Call trace: [ 51.831696][ T4813] btrfs_replace_file_extents+0xcc4/0x1290 [ 51.832449][ T4813] __btrfs_prealloc_file_range+0x390/0xb88 [ 51.833228][ T4813] btrfs_prealloc_file_range+0x60/0x7c [ 51.834040][ T4813] btrfs_fallocate+0x1330/0x1614 [ 51.834747][ T4813] vfs_fallocate+0x4a4/0x5f4 [ 51.835430][ T4813] ioctl_preallocate+0x22c/0x2c8 [ 51.836111][ T4813] do_vfs_ioctl+0x1a3c/0x2370 [ 51.836790][ T4813] __arm64_sys_ioctl+0xe4/0x1c8 [ 51.837476][ T4813] invoke_syscall+0x98/0x2b8 [ 51.838127][ T4813] el0_svc_common+0x138/0x258 [ 51.838784][ T4813] do_el0_svc+0x58/0x14c [ 51.839397][ T4813] el0_svc+0x78/0x1e0 [ 51.839929][ T4813] el0t_64_sync_handler+0xcc/0xe4 [ 51.840668][ T4813] el0t_64_sync+0x1a0/0x1a4 [ 51.841311][ T4813] irq event stamp: 80242 [ 51.841914][ T4813] hardirqs last enabled at (80241): [] __up_console_sem+0xb4/0x100 [ 51.843273][ T4813] hardirqs last disabled at (80242): [] el1_dbg+0x24/0x80 [ 51.844502][ T4813] softirqs last enabled at (80220): [] handle_softirqs+0xa4c/0xbf0 [ 51.845892][ T4813] softirqs last disabled at (80125): [] __irq_exit_rcu+0x240/0x440 [ 51.847258][ T4813] ---[ end trace e046304e0aebb694 ]--- [ 51.848920][ T4813] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 51.851011][ T4813] BTRFS info (device loop0): forced readonly [ 52.044704][ T4852] loop0: detected capacity change from 0 to 32768 [ 52.047139][ T4852] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4852) [ 52.050088][ T4852] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.052062][ T4852] BTRFS info (device loop0): using free space tree [ 52.053050][ T4852] BTRFS info (device loop0): has skinny extents [ 52.064220][ T4852] BTRFS info (device loop0): enabling ssd optimizations [ 52.067386][ T4852] FAULT_INJECTION: forcing a failure. [ 52.067386][ T4852] name failslab, interval 1, probability 0, space 0, times 0 [ 52.069260][ T4852] CPU: 1 PID: 4852 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.070605][ T4852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.072106][ T4852] Call trace: [ 52.072552][ T4852] dump_backtrace+0x0/0x43c [ 52.073260][ T4852] show_stack+0x2c/0x3c [ 52.073915][ T4852] __dump_stack+0x30/0x40 [ 52.074582][ T4852] dump_stack_lvl+0xf8/0x160 [ 52.075256][ T4852] dump_stack+0x1c/0x5c [ 52.075858][ T4852] should_fail+0x3c0/0x51c [ 52.076519][ T4852] __should_failslab+0xbc/0x10c [ 52.077192][ T4852] should_failslab+0x10/0x28 [ 52.077911][ T4852] slab_pre_alloc_hook+0x64/0xec [ 52.078618][ T4852] kmem_cache_alloc+0x94/0x3e4 [ 52.079305][ T4852] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 52.080135][ T4852] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 52.081035][ T4852] btrfs_insert_replace_extent+0x7e4/0x970 [ 52.081945][ T4852] btrfs_replace_file_extents+0xa68/0x1290 [ 52.082769][ T4852] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.083551][ T4852] btrfs_prealloc_file_range+0x60/0x7c [ 52.084342][ T4852] btrfs_fallocate+0x1330/0x1614 [ 52.085093][ T4852] vfs_fallocate+0x4a4/0x5f4 [ 52.085789][ T4852] ioctl_preallocate+0x22c/0x2c8 [ 52.086499][ T4852] do_vfs_ioctl+0x1a3c/0x2370 [ 52.087201][ T4852] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.087869][ T4852] invoke_syscall+0x98/0x2b8 [ 52.088515][ T4852] el0_svc_common+0x138/0x258 [ 52.089241][ T4852] do_el0_svc+0x58/0x14c [ 52.089824][ T4852] el0_svc+0x78/0x1e0 [ 52.090435][ T4852] el0t_64_sync_handler+0xcc/0xe4 [ 52.091230][ T4852] el0t_64_sync+0x1a0/0x1a4 [ 52.109930][ T4852] ------------[ cut here ]------------ [ 52.110941][ T4852] WARNING: CPU: 1 PID: 4852 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 52.112367][ T4852] Modules linked in: [ 52.112935][ T4852] CPU: 1 PID: 4852 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.114340][ T4852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.115854][ T4852] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.116939][ T4852] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.117807][ T4852] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.118685][ T4852] sp : ffff80001fda71e0 [ 52.119281][ T4852] x29: ffff80001fda7300 x28: 0000000000000fff x27: 0000000000000000 [ 52.120484][ T4852] x26: dfff800000000000 x25: ffff0000da0a2000 x24: ffff0000dee3c4b0 [ 52.121697][ T4852] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dececb58 [ 52.122987][ T4852] x20: ffff0000dececb00 x19: 1fffe0001bd9d96b x18: 0000000000000001 [ 52.124166][ T4852] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.125387][ T4852] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.126540][ T4852] x11: 0000000000000000 x10: 0000000000000000 x9 : 837bf7ad4cae4300 [ 52.127748][ T4852] x8 : 837bf7ad4cae4300 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.128952][ T4852] x5 : ffff80001fda6ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.130042][ T4852] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.131147][ T4852] Call trace: [ 52.131677][ T4852] btrfs_replace_file_extents+0xcc4/0x1290 [ 52.132535][ T4852] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.133398][ T4852] btrfs_prealloc_file_range+0x60/0x7c [ 52.134183][ T4852] btrfs_fallocate+0x1330/0x1614 [ 52.134919][ T4852] vfs_fallocate+0x4a4/0x5f4 [ 52.135637][ T4852] ioctl_preallocate+0x22c/0x2c8 [ 52.136408][ T4852] do_vfs_ioctl+0x1a3c/0x2370 [ 52.137143][ T4852] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.137900][ T4852] invoke_syscall+0x98/0x2b8 [ 52.138649][ T4852] el0_svc_common+0x138/0x258 [ 52.139334][ T4852] do_el0_svc+0x58/0x14c [ 52.139945][ T4852] el0_svc+0x78/0x1e0 [ 52.140544][ T4852] el0t_64_sync_handler+0xcc/0xe4 [ 52.141321][ T4852] el0t_64_sync+0x1a0/0x1a4 [ 52.141948][ T4852] irq event stamp: 78576 [ 52.142530][ T4852] hardirqs last enabled at (78575): [] __up_console_sem+0xb4/0x100 [ 52.143908][ T4852] hardirqs last disabled at (78576): [] el1_dbg+0x24/0x80 [ 52.145245][ T4852] softirqs last enabled at (78554): [] handle_softirqs+0xa4c/0xbf0 [ 52.146592][ T4852] softirqs last disabled at (78487): [] __irq_exit_rcu+0x240/0x440 [ 52.147975][ T4852] ---[ end trace e046304e0aebb695 ]--- [ 52.150297][ T4852] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.151906][ T4852] BTRFS info (device loop0): forced readonly [ 52.344604][ T4873] loop0: detected capacity change from 0 to 32768 [ 52.349916][ T4873] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4873) [ 52.354699][ T4873] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.356292][ T4873] BTRFS info (device loop0): using free space tree [ 52.357341][ T4873] BTRFS info (device loop0): has skinny extents [ 52.365478][ T4873] BTRFS info (device loop0): enabling ssd optimizations [ 52.374728][ T4873] FAULT_INJECTION: forcing a failure. [ 52.374728][ T4873] name failslab, interval 1, probability 0, space 0, times 0 [ 52.376693][ T4873] CPU: 1 PID: 4873 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.378031][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.379399][ T4873] Call trace: [ 52.379876][ T4873] dump_backtrace+0x0/0x43c [ 52.380529][ T4873] show_stack+0x2c/0x3c [ 52.381127][ T4873] __dump_stack+0x30/0x40 [ 52.381748][ T4873] dump_stack_lvl+0xf8/0x160 [ 52.382420][ T4873] dump_stack+0x1c/0x5c [ 52.383009][ T4873] should_fail+0x3c0/0x51c [ 52.383663][ T4873] __should_failslab+0xbc/0x10c [ 52.384400][ T4873] should_failslab+0x10/0x28 [ 52.385114][ T4873] slab_pre_alloc_hook+0x64/0xec [ 52.385860][ T4873] kmem_cache_alloc+0x94/0x3e4 [ 52.386600][ T4873] btrfs_add_delayed_data_ref+0x164/0xd0c [ 52.387455][ T4873] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 52.388365][ T4873] btrfs_insert_replace_extent+0x7e4/0x970 [ 52.389211][ T4873] btrfs_replace_file_extents+0xa68/0x1290 [ 52.390094][ T4873] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.391042][ T4873] btrfs_prealloc_file_range+0x60/0x7c [ 52.391873][ T4873] btrfs_fallocate+0x1330/0x1614 [ 52.392594][ T4873] vfs_fallocate+0x4a4/0x5f4 [ 52.393327][ T4873] ioctl_preallocate+0x22c/0x2c8 [ 52.394070][ T4873] do_vfs_ioctl+0x1a3c/0x2370 [ 52.394752][ T4873] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.395435][ T4873] invoke_syscall+0x98/0x2b8 [ 52.396153][ T4873] el0_svc_common+0x138/0x258 [ 52.396776][ T4873] do_el0_svc+0x58/0x14c [ 52.397449][ T4873] el0_svc+0x78/0x1e0 [ 52.398015][ T4873] el0t_64_sync_handler+0xcc/0xe4 [ 52.398776][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 52.401176][ T4873] ------------[ cut here ]------------ [ 52.402099][ T4873] WARNING: CPU: 1 PID: 4873 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 52.403490][ T4873] Modules linked in: [ 52.404028][ T4873] CPU: 1 PID: 4873 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.405407][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.406839][ T4873] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.408141][ T4873] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.409031][ T4873] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.409918][ T4873] sp : ffff80001fc771e0 [ 52.410537][ T4873] x29: ffff80001fc77300 x28: 0000000000000fff x27: 0000000000000000 [ 52.411706][ T4873] x26: dfff800000000000 x25: ffff0000e3764000 x24: ffff0000dee3ce80 [ 52.412846][ T4873] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dececcb8 [ 52.414039][ T4873] x20: ffff0000dececc60 x19: 1fffe0001bd9d997 x18: 0000000000000001 [ 52.415211][ T4873] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.416327][ T4873] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.417540][ T4873] x11: 0000000000000000 x10: 0000000000000000 x9 : 6962956e5b7f8d00 [ 52.418681][ T4873] x8 : 6962956e5b7f8d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.419874][ T4873] x5 : ffff80001fc76ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.421059][ T4873] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.422235][ T4873] Call trace: [ 52.422677][ T4873] btrfs_replace_file_extents+0xcc4/0x1290 [ 52.423485][ T4873] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.424369][ T4873] btrfs_prealloc_file_range+0x60/0x7c [ 52.425127][ T4873] btrfs_fallocate+0x1330/0x1614 [ 52.425790][ T4873] vfs_fallocate+0x4a4/0x5f4 [ 52.426427][ T4873] ioctl_preallocate+0x22c/0x2c8 [ 52.427086][ T4873] do_vfs_ioctl+0x1a3c/0x2370 [ 52.427729][ T4873] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.428387][ T4873] invoke_syscall+0x98/0x2b8 [ 52.429057][ T4873] el0_svc_common+0x138/0x258 [ 52.429720][ T4873] do_el0_svc+0x58/0x14c [ 52.430375][ T4873] el0_svc+0x78/0x1e0 [ 52.430915][ T4873] el0t_64_sync_handler+0xcc/0xe4 [ 52.431629][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 52.432275][ T4873] irq event stamp: 79678 [ 52.432924][ T4873] hardirqs last enabled at (79677): [] __up_console_sem+0xb4/0x100 [ 52.434356][ T4873] hardirqs last disabled at (79678): [] el1_dbg+0x24/0x80 [ 52.435638][ T4873] softirqs last enabled at (79658): [] handle_softirqs+0xa4c/0xbf0 [ 52.437010][ T4873] softirqs last disabled at (79589): [] __irq_exit_rcu+0x240/0x440 [ 52.438392][ T4873] ---[ end trace e046304e0aebb696 ]--- [ 52.440345][ T4873] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.442008][ T4873] BTRFS info (device loop0): forced readonly [ 52.574015][ T4511] Bluetooth: hci0: command 0x041b tx timeout [ 52.633607][ T4894] loop0: detected capacity change from 0 to 32768 [ 52.636022][ T4894] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4894) [ 52.639315][ T4894] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.641403][ T4894] BTRFS info (device loop0): using free space tree [ 52.642541][ T4894] BTRFS info (device loop0): has skinny extents [ 52.658740][ T4894] BTRFS info (device loop0): enabling ssd optimizations [ 52.663073][ T4894] FAULT_INJECTION: forcing a failure. [ 52.663073][ T4894] name failslab, interval 1, probability 0, space 0, times 0 [ 52.665785][ T4894] CPU: 1 PID: 4894 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.667235][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.668775][ T4894] Call trace: [ 52.669259][ T4894] dump_backtrace+0x0/0x43c [ 52.669868][ T4894] show_stack+0x2c/0x3c [ 52.670492][ T4894] __dump_stack+0x30/0x40 [ 52.671138][ T4894] dump_stack_lvl+0xf8/0x160 [ 52.671765][ T4894] dump_stack+0x1c/0x5c [ 52.672351][ T4894] should_fail+0x3c0/0x51c [ 52.672946][ T4894] __should_failslab+0xbc/0x10c [ 52.673686][ T4894] should_failslab+0x10/0x28 [ 52.674339][ T4894] slab_pre_alloc_hook+0x64/0xec [ 52.675073][ T4894] kmem_cache_alloc+0x94/0x3e4 [ 52.675756][ T4894] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 52.676557][ T4894] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 52.677463][ T4894] btrfs_insert_replace_extent+0x7e4/0x970 [ 52.678268][ T4894] btrfs_replace_file_extents+0xa68/0x1290 [ 52.679152][ T4894] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.679985][ T4894] btrfs_prealloc_file_range+0x60/0x7c [ 52.680841][ T4894] btrfs_fallocate+0x1330/0x1614 [ 52.681536][ T4894] vfs_fallocate+0x4a4/0x5f4 [ 52.682244][ T4894] ioctl_preallocate+0x22c/0x2c8 [ 52.683007][ T4894] do_vfs_ioctl+0x1a3c/0x2370 [ 52.683654][ T4894] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.684404][ T4894] invoke_syscall+0x98/0x2b8 [ 52.685091][ T4894] el0_svc_common+0x138/0x258 [ 52.685726][ T4894] do_el0_svc+0x58/0x14c [ 52.686329][ T4894] el0_svc+0x78/0x1e0 [ 52.686852][ T4894] el0t_64_sync_handler+0xcc/0xe4 [ 52.687544][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 52.690427][ T4894] ------------[ cut here ]------------ [ 52.691442][ T4894] WARNING: CPU: 1 PID: 4894 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 52.692912][ T4894] Modules linked in: [ 52.693468][ T4894] CPU: 1 PID: 4894 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.694821][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.696272][ T4894] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.697450][ T4894] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.698356][ T4894] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.699352][ T4894] sp : ffff80001fe571e0 [ 52.699903][ T4894] x29: ffff80001fe57300 x28: 0000000000000fff x27: 0000000000000000 [ 52.701098][ T4894] x26: dfff800000000000 x25: ffff0000c1938000 x24: ffff0000dee3ebf0 [ 52.702275][ T4894] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decece18 [ 52.703445][ T4894] x20: ffff0000dececdc0 x19: 1fffe0001bd9d9c3 x18: 0000000000000001 [ 52.704633][ T4894] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.705761][ T4894] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.706937][ T4894] x11: 0000000000000000 x10: 0000000000000000 x9 : 50d7f6f25fb77100 [ 52.708127][ T4894] x8 : 50d7f6f25fb77100 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.709331][ T4894] x5 : ffff80001fe56ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 52.710539][ T4894] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.711718][ T4894] Call trace: [ 52.712191][ T4894] btrfs_replace_file_extents+0xcc4/0x1290 [ 52.713030][ T4894] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.713871][ T4894] btrfs_prealloc_file_range+0x60/0x7c [ 52.714638][ T4894] btrfs_fallocate+0x1330/0x1614 [ 52.715345][ T4894] vfs_fallocate+0x4a4/0x5f4 [ 52.716032][ T4894] ioctl_preallocate+0x22c/0x2c8 [ 52.716758][ T4894] do_vfs_ioctl+0x1a3c/0x2370 [ 52.717451][ T4894] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.718120][ T4894] invoke_syscall+0x98/0x2b8 [ 52.718763][ T4894] el0_svc_common+0x138/0x258 [ 52.719442][ T4894] do_el0_svc+0x58/0x14c [ 52.720101][ T4894] el0_svc+0x78/0x1e0 [ 52.720666][ T4894] el0t_64_sync_handler+0xcc/0xe4 [ 52.721365][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 52.722087][ T4894] irq event stamp: 79146 [ 52.722791][ T4894] hardirqs last enabled at (79145): [] __up_console_sem+0xb4/0x100 [ 52.724108][ T4894] hardirqs last disabled at (79146): [] el1_dbg+0x24/0x80 [ 52.725411][ T4894] softirqs last enabled at (79124): [] handle_softirqs+0xa4c/0xbf0 [ 52.726802][ T4894] softirqs last disabled at (79111): [] __irq_exit_rcu+0x240/0x440 [ 52.728293][ T4894] ---[ end trace e046304e0aebb697 ]--- [ 52.730381][ T4894] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 52.731919][ T4894] BTRFS info (device loop0): forced readonly [ 52.919149][ T4915] loop0: detected capacity change from 0 to 32768 [ 52.923724][ T4915] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4915) [ 52.928558][ T4915] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.930165][ T4915] BTRFS info (device loop0): using free space tree [ 52.931109][ T4915] BTRFS info (device loop0): has skinny extents [ 52.947907][ T4915] BTRFS info (device loop0): enabling ssd optimizations [ 52.951884][ T4915] FAULT_INJECTION: forcing a failure. [ 52.951884][ T4915] name failslab, interval 1, probability 0, space 0, times 0 [ 52.954317][ T4915] CPU: 0 PID: 4915 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.955632][ T4915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.957285][ T4915] Call trace: [ 52.957796][ T4915] dump_backtrace+0x0/0x43c [ 52.958455][ T4915] show_stack+0x2c/0x3c [ 52.959030][ T4915] __dump_stack+0x30/0x40 [ 52.959669][ T4915] dump_stack_lvl+0xf8/0x160 [ 52.960389][ T4915] dump_stack+0x1c/0x5c [ 52.960938][ T4915] should_fail+0x3c0/0x51c [ 52.961634][ T4915] __should_failslab+0xbc/0x10c [ 52.962410][ T4915] should_failslab+0x10/0x28 [ 52.963160][ T4915] slab_pre_alloc_hook+0x64/0xec [ 52.963896][ T4915] kmem_cache_alloc+0x94/0x3e4 [ 52.964606][ T4915] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 52.965427][ T4915] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 52.966384][ T4915] btrfs_insert_replace_extent+0x7e4/0x970 [ 52.967231][ T4915] btrfs_replace_file_extents+0xa68/0x1290 [ 52.968101][ T4915] __btrfs_prealloc_file_range+0x390/0xb88 [ 52.969025][ T4915] btrfs_prealloc_file_range+0x60/0x7c [ 52.969797][ T4915] btrfs_fallocate+0x1330/0x1614 [ 52.970551][ T4915] vfs_fallocate+0x4a4/0x5f4 [ 52.971259][ T4915] ioctl_preallocate+0x22c/0x2c8 [ 52.971965][ T4915] do_vfs_ioctl+0x1a3c/0x2370 [ 52.972678][ T4915] __arm64_sys_ioctl+0xe4/0x1c8 [ 52.973405][ T4915] invoke_syscall+0x98/0x2b8 [ 52.974089][ T4915] el0_svc_common+0x138/0x258 [ 52.974764][ T4915] do_el0_svc+0x58/0x14c [ 52.975403][ T4915] el0_svc+0x78/0x1e0 [ 52.976049][ T4915] el0t_64_sync_handler+0xcc/0xe4 [ 52.976761][ T4915] el0t_64_sync+0x1a0/0x1a4 [ 52.980121][ T4915] ------------[ cut here ]------------ [ 52.981105][ T4915] WARNING: CPU: 0 PID: 4915 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 52.982728][ T4915] Modules linked in: [ 52.983371][ T4915] CPU: 0 PID: 4915 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.984719][ T4915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.986460][ T4915] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.987612][ T4915] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.988515][ T4915] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 52.989384][ T4915] sp : ffff80001ff771e0 [ 52.989971][ T4915] x29: ffff80001ff77300 x28: 0000000000000fff x27: 0000000000000000 [ 52.991095][ T4915] x26: dfff800000000000 x25: ffff0000c128e000 x24: ffff0000e24ec4b0 [ 52.992180][ T4915] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dedf5478 [ 52.993433][ T4915] x20: ffff0000dedf5420 x19: 1fffe0001bdbea8f x18: 0000000000000001 [ 52.994712][ T4915] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 52.995910][ T4915] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.997080][ T4915] x11: 0000000000000000 x10: 0000000000000000 x9 : af160644f1fb4500 [ 52.998245][ T4915] x8 : af160644f1fb4500 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.999445][ T4915] x5 : ffff80001ff76ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 53.000650][ T4915] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.001833][ T4915] Call trace: [ 53.002341][ T4915] btrfs_replace_file_extents+0xcc4/0x1290 [ 53.003216][ T4915] __btrfs_prealloc_file_range+0x390/0xb88 [ 53.004118][ T4915] btrfs_prealloc_file_range+0x60/0x7c [ 53.004937][ T4915] btrfs_fallocate+0x1330/0x1614 [ 53.005683][ T4915] vfs_fallocate+0x4a4/0x5f4 [ 53.006346][ T4915] ioctl_preallocate+0x22c/0x2c8 [ 53.007022][ T4915] do_vfs_ioctl+0x1a3c/0x2370 [ 53.007716][ T4915] __arm64_sys_ioctl+0xe4/0x1c8 [ 53.008468][ T4915] invoke_syscall+0x98/0x2b8 [ 53.009129][ T4915] el0_svc_common+0x138/0x258 [ 53.009798][ T4915] do_el0_svc+0x58/0x14c [ 53.010400][ T4915] el0_svc+0x78/0x1e0 [ 53.010999][ T4915] el0t_64_sync_handler+0xcc/0xe4 [ 53.011709][ T4915] el0t_64_sync+0x1a0/0x1a4 [ 53.012363][ T4915] irq event stamp: 79190 [ 53.013013][ T4915] hardirqs last enabled at (79189): [] __up_console_sem+0xb4/0x100 [ 53.014373][ T4915] hardirqs last disabled at (79190): [] el1_dbg+0x24/0x80 [ 53.015631][ T4915] softirqs last enabled at (79168): [] handle_softirqs+0xa4c/0xbf0 [ 53.017096][ T4915] softirqs last disabled at (79117): [] __irq_exit_rcu+0x240/0x440 [ 53.018504][ T4915] ---[ end trace e046304e0aebb698 ]--- [ 53.020080][ T4915] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.021605][ T4915] BTRFS info (device loop0): forced readonly [ 53.191397][ T4936] loop0: detected capacity change from 0 to 32768 [ 53.194243][ T4936] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4936) [ 53.197693][ T4936] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.199160][ T4936] BTRFS info (device loop0): using free space tree [ 53.200355][ T4936] BTRFS info (device loop0): has skinny extents [ 53.211952][ T4936] BTRFS info (device loop0): enabling ssd optimizations [ 53.216814][ T4936] FAULT_INJECTION: forcing a failure. [ 53.216814][ T4936] name failslab, interval 1, probability 0, space 0, times 0 [ 53.219085][ T4936] CPU: 0 PID: 4936 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.220403][ T4936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.221898][ T4936] Call trace: [ 53.222350][ T4936] dump_backtrace+0x0/0x43c [ 53.223021][ T4936] show_stack+0x2c/0x3c [ 53.223671][ T4936] __dump_stack+0x30/0x40 [ 53.224332][ T4936] dump_stack_lvl+0xf8/0x160 [ 53.225056][ T4936] dump_stack+0x1c/0x5c [ 53.225664][ T4936] should_fail+0x3c0/0x51c [ 53.226371][ T4936] __should_failslab+0xbc/0x10c [ 53.227075][ T4936] should_failslab+0x10/0x28 [ 53.227784][ T4936] slab_pre_alloc_hook+0x64/0xec [ 53.228432][ T4936] kmem_cache_alloc+0x94/0x3e4 [ 53.229132][ T4936] alloc_extent_map+0x28/0x128 [ 53.229857][ T4936] btrfs_drop_extent_cache+0x160/0xdec [ 53.230661][ T4936] btrfs_drop_extents+0x2c8/0x21a4 [ 53.231465][ T4936] btrfs_replace_file_extents+0x328/0x1290 [ 53.232313][ T4936] __btrfs_prealloc_file_range+0x390/0xb88 [ 53.233133][ T4936] btrfs_prealloc_file_range+0x60/0x7c [ 53.233942][ T4936] btrfs_fallocate+0x1330/0x1614 [ 53.234730][ T4936] vfs_fallocate+0x4a4/0x5f4 [ 53.235487][ T4936] ioctl_preallocate+0x22c/0x2c8 [ 53.236268][ T4936] do_vfs_ioctl+0x1a3c/0x2370 [ 53.237040][ T4936] __arm64_sys_ioctl+0xe4/0x1c8 [ 53.237794][ T4936] invoke_syscall+0x98/0x2b8 [ 53.238487][ T4936] el0_svc_common+0x138/0x258 [ 53.239129][ T4936] do_el0_svc+0x58/0x14c [ 53.239705][ T4936] el0_svc+0x78/0x1e0 [ 53.240263][ T4936] el0t_64_sync_handler+0xcc/0xe4 [ 53.241051][ T4936] el0t_64_sync+0x1a0/0x1a4 [ 53.432335][ T4957] loop0: detected capacity change from 0 to 32768 [ 53.434864][ T4957] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4957) [ 53.438246][ T4957] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.439772][ T4957] BTRFS info (device loop0): using free space tree [ 53.440887][ T4957] BTRFS info (device loop0): has skinny extents [ 53.460449][ T4957] BTRFS info (device loop0): enabling ssd optimizations [ 53.465015][ T4957] FAULT_INJECTION: forcing a failure. [ 53.465015][ T4957] name failslab, interval 1, probability 0, space 0, times 0 [ 53.467077][ T4957] CPU: 0 PID: 4957 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.468526][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.470020][ T4957] Call trace: [ 53.470501][ T4957] dump_backtrace+0x0/0x43c [ 53.471165][ T4957] show_stack+0x2c/0x3c [ 53.471718][ T4957] __dump_stack+0x30/0x40 [ 53.472369][ T4957] dump_stack_lvl+0xf8/0x160 [ 53.473033][ T4957] dump_stack+0x1c/0x5c [ 53.473635][ T4957] should_fail+0x3c0/0x51c [ 53.474344][ T4957] __should_failslab+0xbc/0x10c [ 53.475055][ T4957] should_failslab+0x10/0x28 [ 53.475712][ T4957] slab_pre_alloc_hook+0x64/0xec [ 53.476512][ T4957] kmem_cache_alloc+0x94/0x3e4 [ 53.477219][ T4957] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 53.478042][ T4957] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 53.478908][ T4957] btrfs_insert_replace_extent+0x7e4/0x970 [ 53.479732][ T4957] btrfs_replace_file_extents+0xa68/0x1290 [ 53.480607][ T4957] __btrfs_prealloc_file_range+0x390/0xb88 [ 53.481501][ T4957] btrfs_prealloc_file_range+0x60/0x7c [ 53.482345][ T4957] btrfs_fallocate+0x1330/0x1614 [ 53.483055][ T4957] vfs_fallocate+0x4a4/0x5f4 [ 53.483708][ T4957] ioctl_preallocate+0x22c/0x2c8 [ 53.484467][ T4957] do_vfs_ioctl+0x1a3c/0x2370 [ 53.485099][ T4957] __arm64_sys_ioctl+0xe4/0x1c8 [ 53.485820][ T4957] invoke_syscall+0x98/0x2b8 [ 53.486455][ T4957] el0_svc_common+0x138/0x258 [ 53.487135][ T4957] do_el0_svc+0x58/0x14c [ 53.487729][ T4957] el0_svc+0x78/0x1e0 [ 53.488353][ T4957] el0t_64_sync_handler+0xcc/0xe4 [ 53.489026][ T4957] el0t_64_sync+0x1a0/0x1a4 [ 53.490529][ T4957] ------------[ cut here ]------------ [ 53.491530][ T4957] WARNING: CPU: 0 PID: 4957 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 53.493105][ T4957] Modules linked in: [ 53.493647][ T4957] CPU: 0 PID: 4957 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.494922][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.496318][ T4957] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.497524][ T4957] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 53.498453][ T4957] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 53.499355][ T4957] sp : ffff80001ffe71e0 [ 53.499942][ T4957] x29: ffff80001ffe7300 x28: 0000000000000fff x27: 0000000000000000 [ 53.501156][ T4957] x26: dfff800000000000 x25: ffff0000c2b5a000 x24: ffff0000e24e8000 [ 53.502374][ T4957] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dedf5898 [ 53.503540][ T4957] x20: ffff0000dedf5840 x19: 1fffe0001bdbeb13 x18: 0000000000000001 [ 53.504794][ T4957] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 53.505986][ T4957] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.507179][ T4957] x11: 0000000000000000 x10: 0000000000000000 x9 : 1e9718aaa214b800 [ 53.508334][ T4957] x8 : 1e9718aaa214b800 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.509481][ T4957] x5 : ffff80001ffe6ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 53.510698][ T4957] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.511963][ T4957] Call trace: [ 53.512433][ T4957] btrfs_replace_file_extents+0xcc4/0x1290 [ 53.513307][ T4957] __btrfs_prealloc_file_range+0x390/0xb88 [ 53.514147][ T4957] btrfs_prealloc_file_range+0x60/0x7c [ 53.515011][ T4957] btrfs_fallocate+0x1330/0x1614 [ 53.515830][ T4957] vfs_fallocate+0x4a4/0x5f4 [ 53.516602][ T4957] ioctl_preallocate+0x22c/0x2c8 [ 53.517329][ T4957] do_vfs_ioctl+0x1a3c/0x2370 [ 53.518147][ T4957] __arm64_sys_ioctl+0xe4/0x1c8 [ 53.518909][ T4957] invoke_syscall+0x98/0x2b8 [ 53.519615][ T4957] el0_svc_common+0x138/0x258 [ 53.520368][ T4957] do_el0_svc+0x58/0x14c [ 53.520951][ T4957] el0_svc+0x78/0x1e0 [ 53.521516][ T4957] el0t_64_sync_handler+0xcc/0xe4 [ 53.522268][ T4957] el0t_64_sync+0x1a0/0x1a4 [ 53.522893][ T4957] irq event stamp: 78730 [ 53.523562][ T4957] hardirqs last enabled at (78729): [] __up_console_sem+0xb4/0x100 [ 53.524970][ T4957] hardirqs last disabled at (78730): [] el1_dbg+0x24/0x80 [ 53.526279][ T4957] softirqs last enabled at (78708): [] handle_softirqs+0xa4c/0xbf0 [ 53.527748][ T4957] softirqs last disabled at (78691): [] __irq_exit_rcu+0x240/0x440 [ 53.529191][ T4957] ---[ end trace e046304e0aebb699 ]--- [ 53.531014][ T4957] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.532616][ T4957] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:53 executed programs: 13 [ 53.721354][ T4978] loop0: detected capacity change from 0 to 32768 [ 53.723833][ T4978] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4978) [ 53.727511][ T4978] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.729020][ T4978] BTRFS info (device loop0): using free space tree [ 53.729935][ T4978] BTRFS info (device loop0): has skinny extents [ 53.742263][ T4978] BTRFS info (device loop0): enabling ssd optimizations [ 53.745861][ T4978] FAULT_INJECTION: forcing a failure. [ 53.745861][ T4978] name failslab, interval 1, probability 0, space 0, times 0 [ 53.747865][ T4978] CPU: 0 PID: 4978 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.749255][ T4978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.750772][ T4978] Call trace: [ 53.751241][ T4978] dump_backtrace+0x0/0x43c [ 53.751904][ T4978] show_stack+0x2c/0x3c [ 53.752541][ T4978] __dump_stack+0x30/0x40 [ 53.753168][ T4978] dump_stack_lvl+0xf8/0x160 [ 53.753794][ T4978] dump_stack+0x1c/0x5c [ 53.754417][ T4978] should_fail+0x3c0/0x51c [ 53.755169][ T4978] __should_failslab+0xbc/0x10c [ 53.755862][ T4978] should_failslab+0x10/0x28 [ 53.756569][ T4978] slab_pre_alloc_hook+0x64/0xec [ 53.757351][ T4978] kmem_cache_alloc+0x94/0x3e4 [ 53.758037][ T4978] btrfs_add_delayed_data_ref+0x164/0xd0c [ 53.758876][ T4978] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 53.759900][ T4978] btrfs_insert_replace_extent+0x7e4/0x970 [ 53.760728][ T4978] btrfs_replace_file_extents+0xa68/0x1290 [ 53.761615][ T4978] __btrfs_prealloc_file_range+0x390/0xb88 [ 53.762463][ T4978] btrfs_prealloc_file_range+0x60/0x7c [ 53.763238][ T4978] btrfs_fallocate+0x1330/0x1614 [ 53.763987][ T4978] vfs_fallocate+0x4a4/0x5f4 [ 53.764675][ T4978] ioctl_preallocate+0x22c/0x2c8 [ 53.765472][ T4978] do_vfs_ioctl+0x1a3c/0x2370 [ 53.766209][ T4978] __arm64_sys_ioctl+0xe4/0x1c8 [ 53.766954][ T4978] invoke_syscall+0x98/0x2b8 [ 53.767692][ T4978] el0_svc_common+0x138/0x258 [ 53.768382][ T4978] do_el0_svc+0x58/0x14c [ 53.769076][ T4978] el0_svc+0x78/0x1e0 [ 53.769675][ T4978] el0t_64_sync_handler+0xcc/0xe4 [ 53.770400][ T4978] el0t_64_sync+0x1a0/0x1a4 [ 53.772909][ T4978] ------------[ cut here ]------------ [ 53.773897][ T4978] WARNING: CPU: 0 PID: 4978 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 53.775432][ T4978] Modules linked in: [ 53.775973][ T4978] CPU: 0 PID: 4978 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.777391][ T4978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.778910][ T4978] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.780116][ T4978] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 53.780967][ T4978] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 53.781866][ T4978] sp : ffff8000202271e0 [ 53.782533][ T4978] x29: ffff800020227300 x28: 0000000000000fff x27: 0000000000000000 [ 53.783714][ T4978] x26: dfff800000000000 x25: ffff0000cb132000 x24: ffff0000e25193a0 [ 53.784909][ T4978] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dedf59f8 [ 53.786116][ T4978] x20: ffff0000dedf59a0 x19: 1fffe0001bdbeb3f x18: 0000000000000001 [ 53.787331][ T4978] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 53.788491][ T4978] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.789746][ T4978] x11: 0000000000000000 x10: 0000000000000000 x9 : 375b52fa797cb600 [ 53.790959][ T4978] x8 : 375b52fa797cb600 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.792192][ T4978] x5 : ffff800020226ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 53.793410][ T4978] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.794557][ T4978] Call trace: [ 53.795075][ T4978] btrfs_replace_file_extents+0xcc4/0x1290 [ 53.795945][ T4978] __btrfs_prealloc_file_range+0x390/0xb88 [ 53.796763][ T4978] btrfs_prealloc_file_range+0x60/0x7c [ 53.797584][ T4978] btrfs_fallocate+0x1330/0x1614 [ 53.798418][ T4978] vfs_fallocate+0x4a4/0x5f4 [ 53.799286][ T4978] ioctl_preallocate+0x22c/0x2c8 [ 53.800006][ T4978] do_vfs_ioctl+0x1a3c/0x2370 [ 53.800774][ T4978] __arm64_sys_ioctl+0xe4/0x1c8 [ 53.801549][ T4978] invoke_syscall+0x98/0x2b8 [ 53.802248][ T4978] el0_svc_common+0x138/0x258 [ 53.802904][ T4978] do_el0_svc+0x58/0x14c [ 53.803542][ T4978] el0_svc+0x78/0x1e0 [ 53.804145][ T4978] el0t_64_sync_handler+0xcc/0xe4 [ 53.804945][ T4978] el0t_64_sync+0x1a0/0x1a4 [ 53.805591][ T4978] irq event stamp: 78650 [ 53.806245][ T4978] hardirqs last enabled at (78649): [] __up_console_sem+0xb4/0x100 [ 53.807655][ T4978] hardirqs last disabled at (78650): [] el1_dbg+0x24/0x80 [ 53.808972][ T4978] softirqs last enabled at (78640): [] handle_softirqs+0xa4c/0xbf0 [ 53.810455][ T4978] softirqs last disabled at (78631): [] __irq_exit_rcu+0x240/0x440 [ 53.811788][ T4978] ---[ end trace e046304e0aebb69a ]--- [ 53.812845][ T4978] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 53.814488][ T4978] BTRFS info (device loop0): forced readonly [ 54.001155][ T4999] loop0: detected capacity change from 0 to 32768 [ 54.003629][ T4999] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4999) [ 54.006641][ T4999] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.008149][ T4999] BTRFS info (device loop0): using free space tree [ 54.009132][ T4999] BTRFS info (device loop0): has skinny extents [ 54.019996][ T4999] BTRFS info (device loop0): enabling ssd optimizations [ 54.024621][ T4999] FAULT_INJECTION: forcing a failure. [ 54.024621][ T4999] name failslab, interval 1, probability 0, space 0, times 0 [ 54.026731][ T4999] CPU: 0 PID: 4999 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.028109][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.029581][ T4999] Call trace: [ 54.030062][ T4999] dump_backtrace+0x0/0x43c [ 54.030742][ T4999] show_stack+0x2c/0x3c [ 54.031351][ T4999] __dump_stack+0x30/0x40 [ 54.031984][ T4999] dump_stack_lvl+0xf8/0x160 [ 54.032634][ T4999] dump_stack+0x1c/0x5c [ 54.033224][ T4999] should_fail+0x3c0/0x51c [ 54.033953][ T4999] __should_failslab+0xbc/0x10c [ 54.034723][ T4999] should_failslab+0x10/0x28 [ 54.035398][ T4999] slab_pre_alloc_hook+0x64/0xec [ 54.036194][ T4999] kmem_cache_alloc+0x94/0x3e4 [ 54.036940][ T4999] btrfs_add_delayed_data_ref+0x164/0xd0c [ 54.037788][ T4999] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 54.038746][ T4999] btrfs_insert_replace_extent+0x7e4/0x970 [ 54.039678][ T4999] btrfs_replace_file_extents+0xa68/0x1290 [ 54.040553][ T4999] __btrfs_prealloc_file_range+0x390/0xb88 [ 54.041374][ T4999] btrfs_prealloc_file_range+0x60/0x7c [ 54.042189][ T4999] btrfs_fallocate+0x1330/0x1614 [ 54.042929][ T4999] vfs_fallocate+0x4a4/0x5f4 [ 54.043561][ T4999] ioctl_preallocate+0x22c/0x2c8 [ 54.044303][ T4999] do_vfs_ioctl+0x1a3c/0x2370 [ 54.045001][ T4999] __arm64_sys_ioctl+0xe4/0x1c8 [ 54.045791][ T4999] invoke_syscall+0x98/0x2b8 [ 54.046498][ T4999] el0_svc_common+0x138/0x258 [ 54.047157][ T4999] do_el0_svc+0x58/0x14c [ 54.047797][ T4999] el0_svc+0x78/0x1e0 [ 54.048421][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 54.049155][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 54.051739][ T4999] ------------[ cut here ]------------ [ 54.052676][ T4999] WARNING: CPU: 0 PID: 4999 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 54.054161][ T4999] Modules linked in: [ 54.054761][ T4999] CPU: 0 PID: 4999 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.056070][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.057635][ T4999] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.058880][ T4999] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 54.059894][ T4999] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 54.060871][ T4999] sp : ffff8000203f71e0 [ 54.061422][ T4999] x29: ffff8000203f7300 x28: 0000000000000fff x27: 0000000000000000 [ 54.062658][ T4999] x26: dfff800000000000 x25: ffff0000db8d4000 x24: ffff0000e251b110 [ 54.063881][ T4999] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dedf5c08 [ 54.065022][ T4999] x20: ffff0000dedf5bb0 x19: 1fffe0001bdbeb81 x18: 0000000000000001 [ 54.066202][ T4999] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 54.067439][ T4999] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.068595][ T4999] x11: 0000000000000000 x10: 0000000000000000 x9 : 5b3bb2f69771bf00 [ 54.069711][ T4999] x8 : 5b3bb2f69771bf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.070946][ T4999] x5 : ffff8000203f6ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 54.072170][ T4999] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.073360][ T4999] Call trace: [ 54.073825][ T4999] btrfs_replace_file_extents+0xcc4/0x1290 [ 54.074669][ T4999] __btrfs_prealloc_file_range+0x390/0xb88 [ 54.075477][ T4999] btrfs_prealloc_file_range+0x60/0x7c [ 54.076362][ T4999] btrfs_fallocate+0x1330/0x1614 [ 54.077167][ T4999] vfs_fallocate+0x4a4/0x5f4 [ 54.077868][ T4999] ioctl_preallocate+0x22c/0x2c8 [ 54.078611][ T4999] do_vfs_ioctl+0x1a3c/0x2370 [ 54.079320][ T4999] __arm64_sys_ioctl+0xe4/0x1c8 [ 54.080034][ T4999] invoke_syscall+0x98/0x2b8 [ 54.080703][ T4999] el0_svc_common+0x138/0x258 [ 54.081404][ T4999] do_el0_svc+0x58/0x14c [ 54.082022][ T4999] el0_svc+0x78/0x1e0 [ 54.082581][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 54.083341][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 54.083949][ T4999] irq event stamp: 78474 [ 54.084633][ T4999] hardirqs last enabled at (78473): [] __up_console_sem+0xb4/0x100 [ 54.085969][ T4999] hardirqs last disabled at (78474): [] el1_dbg+0x24/0x80 [ 54.087255][ T4999] softirqs last enabled at (78454): [] handle_softirqs+0xa4c/0xbf0 [ 54.088633][ T4999] softirqs last disabled at (78401): [] __irq_exit_rcu+0x240/0x440 [ 54.089967][ T4999] ---[ end trace e046304e0aebb69b ]--- [ 54.091624][ T4999] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 54.093137][ T4999] BTRFS info (device loop0): forced readonly [ 54.281108][ T5020] loop0: detected capacity change from 0 to 32768 [ 54.283631][ T5020] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5020) [ 54.286670][ T5020] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.288222][ T5020] BTRFS info (device loop0): using free space tree [ 54.289120][ T5020] BTRFS info (device loop0): has skinny extents [ 54.300818][ T5020] BTRFS info (device loop0): enabling ssd optimizations [ 54.304686][ T5020] FAULT_INJECTION: forcing a failure. [ 54.304686][ T5020] name failslab, interval 1, probability 0, space 0, times 0 [ 54.306667][ T5020] CPU: 0 PID: 5020 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.307968][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.309410][ T5020] Call trace: [ 54.309853][ T5020] dump_backtrace+0x0/0x43c [ 54.310581][ T5020] show_stack+0x2c/0x3c [ 54.311138][ T5020] __dump_stack+0x30/0x40 [ 54.311769][ T5020] dump_stack_lvl+0xf8/0x160 [ 54.312429][ T5020] dump_stack+0x1c/0x5c [ 54.313056][ T5020] should_fail+0x3c0/0x51c [ 54.313764][ T5020] __should_failslab+0xbc/0x10c [ 54.314478][ T5020] should_failslab+0x10/0x28 [ 54.315167][ T5020] slab_pre_alloc_hook+0x64/0xec [ 54.315839][ T5020] kmem_cache_alloc+0x94/0x3e4 [ 54.316542][ T5020] alloc_extent_map+0x28/0x128 [ 54.317266][ T5020] btrfs_drop_extent_cache+0x150/0xdec [ 54.318090][ T5020] btrfs_drop_extents+0x2c8/0x21a4 [ 54.318917][ T5020] btrfs_replace_file_extents+0x328/0x1290 [ 54.319758][ T5020] __btrfs_prealloc_file_range+0x390/0xb88 [ 54.320620][ T5020] btrfs_prealloc_file_range+0x60/0x7c [ 54.321490][ T5020] btrfs_fallocate+0x1330/0x1614 [ 54.322181][ T5020] vfs_fallocate+0x4a4/0x5f4 [ 54.322881][ T5020] ioctl_preallocate+0x22c/0x2c8 [ 54.323620][ T5020] do_vfs_ioctl+0x1a3c/0x2370 [ 54.324260][ T5020] __arm64_sys_ioctl+0xe4/0x1c8 [ 54.325014][ T5020] invoke_syscall+0x98/0x2b8 [ 54.325684][ T5020] el0_svc_common+0x138/0x258 [ 54.326358][ T5020] do_el0_svc+0x58/0x14c [ 54.326994][ T5020] el0_svc+0x78/0x1e0 [ 54.327586][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 54.328351][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 54.513122][ T5041] loop0: detected capacity change from 0 to 32768 [ 54.517325][ T5041] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5041) [ 54.520502][ T5041] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.522037][ T5041] BTRFS info (device loop0): using free space tree [ 54.523157][ T5041] BTRFS info (device loop0): has skinny extents [ 54.536048][ T5041] BTRFS info (device loop0): enabling ssd optimizations [ 54.540303][ T5041] FAULT_INJECTION: forcing a failure. [ 54.540303][ T5041] name failslab, interval 1, probability 0, space 0, times 0 [ 54.542414][ T5041] CPU: 0 PID: 5041 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.543705][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.545124][ T5041] Call trace: [ 54.545595][ T5041] dump_backtrace+0x0/0x43c [ 54.546321][ T5041] show_stack+0x2c/0x3c [ 54.546945][ T5041] __dump_stack+0x30/0x40 [ 54.547596][ T5041] dump_stack_lvl+0xf8/0x160 [ 54.548318][ T5041] dump_stack+0x1c/0x5c [ 54.548976][ T5041] should_fail+0x3c0/0x51c [ 54.549606][ T5041] __should_failslab+0xbc/0x10c [ 54.550323][ T5041] should_failslab+0x10/0x28 [ 54.550999][ T5041] slab_pre_alloc_hook+0x64/0xec [ 54.551698][ T5041] kmem_cache_alloc+0x94/0x3e4 [ 54.552474][ T5041] alloc_extent_map+0x28/0x128 [ 54.553249][ T5041] btrfs_drop_extent_cache+0x160/0xdec [ 54.554063][ T5041] btrfs_drop_extents+0x2c8/0x21a4 [ 54.554847][ T5041] btrfs_replace_file_extents+0x328/0x1290 [ 54.555780][ T5041] __btrfs_prealloc_file_range+0x390/0xb88 [ 54.556652][ T5041] btrfs_prealloc_file_range+0x60/0x7c [ 54.557452][ T5041] btrfs_fallocate+0x1330/0x1614 [ 54.558162][ T5041] vfs_fallocate+0x4a4/0x5f4 [ 54.558868][ T5041] ioctl_preallocate+0x22c/0x2c8 [ 54.559575][ T5041] do_vfs_ioctl+0x1a3c/0x2370 [ 54.560253][ T5041] __arm64_sys_ioctl+0xe4/0x1c8 [ 54.560960][ T5041] invoke_syscall+0x98/0x2b8 [ 54.561629][ T5041] el0_svc_common+0x138/0x258 [ 54.562349][ T5041] do_el0_svc+0x58/0x14c [ 54.563002][ T5041] el0_svc+0x78/0x1e0 [ 54.563601][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 54.564349][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 54.653671][ T4512] Bluetooth: hci0: command 0x040f tx timeout [ 54.755584][ T5062] loop0: detected capacity change from 0 to 32768 [ 54.758497][ T5062] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5062) [ 54.761470][ T5062] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.762894][ T5062] BTRFS info (device loop0): using free space tree [ 54.764155][ T5062] BTRFS info (device loop0): has skinny extents [ 54.777132][ T5062] BTRFS info (device loop0): enabling ssd optimizations [ 54.781036][ T5062] FAULT_INJECTION: forcing a failure. [ 54.781036][ T5062] name failslab, interval 1, probability 0, space 0, times 0 [ 54.783015][ T5062] CPU: 1 PID: 5062 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.784499][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.786005][ T5062] Call trace: [ 54.786516][ T5062] dump_backtrace+0x0/0x43c [ 54.787171][ T5062] show_stack+0x2c/0x3c [ 54.787805][ T5062] __dump_stack+0x30/0x40 [ 54.788435][ T5062] dump_stack_lvl+0xf8/0x160 [ 54.789090][ T5062] dump_stack+0x1c/0x5c [ 54.789715][ T5062] should_fail+0x3c0/0x51c [ 54.790323][ T5062] __should_failslab+0xbc/0x10c [ 54.791108][ T5062] should_failslab+0x10/0x28 [ 54.791703][ T5062] slab_pre_alloc_hook+0x64/0xec [ 54.792404][ T5062] kmem_cache_alloc+0x94/0x3e4 [ 54.793116][ T5062] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 54.793932][ T5062] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 54.794887][ T5062] btrfs_insert_replace_extent+0x7e4/0x970 [ 54.795712][ T5062] btrfs_replace_file_extents+0xa68/0x1290 [ 54.796635][ T5062] __btrfs_prealloc_file_range+0x390/0xb88 [ 54.797489][ T5062] btrfs_prealloc_file_range+0x60/0x7c [ 54.798304][ T5062] btrfs_fallocate+0x1330/0x1614 [ 54.799057][ T5062] vfs_fallocate+0x4a4/0x5f4 [ 54.799725][ T5062] ioctl_preallocate+0x22c/0x2c8 [ 54.800454][ T5062] do_vfs_ioctl+0x1a3c/0x2370 [ 54.801123][ T5062] __arm64_sys_ioctl+0xe4/0x1c8 [ 54.801812][ T5062] invoke_syscall+0x98/0x2b8 [ 54.802550][ T5062] el0_svc_common+0x138/0x258 [ 54.803220][ T5062] do_el0_svc+0x58/0x14c [ 54.803829][ T5062] el0_svc+0x78/0x1e0 [ 54.804407][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 54.805106][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 54.806492][ T5062] ------------[ cut here ]------------ [ 54.807397][ T5062] WARNING: CPU: 1 PID: 5062 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 54.808929][ T5062] Modules linked in: [ 54.809523][ T5062] CPU: 1 PID: 5062 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.810830][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.812272][ T5062] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.813402][ T5062] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 54.814295][ T5062] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 54.815188][ T5062] sp : ffff80001fb971e0 [ 54.815737][ T5062] x29: ffff80001fb97300 x28: 0000000000000fff x27: 0000000000000000 [ 54.816935][ T5062] x26: dfff800000000000 x25: ffff0000cff0e000 x24: ffff0000defa2740 [ 54.818089][ T5062] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec1b8 [ 54.819220][ T5062] x20: ffff0000decec160 x19: 1fffe0001bd9d837 x18: 0000000000000001 [ 54.820392][ T5062] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 54.821512][ T5062] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.822683][ T5062] x11: 0000000000000000 x10: 0000000000000000 x9 : 0b031f35936dcb00 [ 54.823831][ T5062] x8 : 0b031f35936dcb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.825023][ T5062] x5 : ffff80001fb96ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 54.826200][ T5062] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.827333][ T5062] Call trace: [ 54.827760][ T5062] btrfs_replace_file_extents+0xcc4/0x1290 [ 54.828634][ T5062] __btrfs_prealloc_file_range+0x390/0xb88 [ 54.829474][ T5062] btrfs_prealloc_file_range+0x60/0x7c [ 54.830237][ T5062] btrfs_fallocate+0x1330/0x1614 [ 54.830986][ T5062] vfs_fallocate+0x4a4/0x5f4 [ 54.831663][ T5062] ioctl_preallocate+0x22c/0x2c8 [ 54.832422][ T5062] do_vfs_ioctl+0x1a3c/0x2370 [ 54.833108][ T5062] __arm64_sys_ioctl+0xe4/0x1c8 [ 54.833861][ T5062] invoke_syscall+0x98/0x2b8 [ 54.834534][ T5062] el0_svc_common+0x138/0x258 [ 54.835206][ T5062] do_el0_svc+0x58/0x14c [ 54.835801][ T5062] el0_svc+0x78/0x1e0 [ 54.836414][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 54.837122][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 54.837782][ T5062] irq event stamp: 79642 [ 54.838353][ T5062] hardirqs last enabled at (79641): [] __up_console_sem+0xb4/0x100 [ 54.839736][ T5062] hardirqs last disabled at (79642): [] el1_dbg+0x24/0x80 [ 54.841023][ T5062] softirqs last enabled at (79620): [] handle_softirqs+0xa4c/0xbf0 [ 54.842397][ T5062] softirqs last disabled at (79561): [] __irq_exit_rcu+0x240/0x440 [ 54.843782][ T5062] ---[ end trace e046304e0aebb69c ]--- [ 54.846048][ T5062] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 54.847597][ T5062] BTRFS info (device loop0): forced readonly [ 55.049526][ T5083] loop0: detected capacity change from 0 to 32768 [ 55.051988][ T5083] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5083) [ 55.055677][ T5083] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.057077][ T5083] BTRFS info (device loop0): using free space tree [ 55.057985][ T5083] BTRFS info (device loop0): has skinny extents [ 55.067297][ T5083] BTRFS info (device loop0): enabling ssd optimizations [ 55.070702][ T5083] FAULT_INJECTION: forcing a failure. [ 55.070702][ T5083] name failslab, interval 1, probability 0, space 0, times 0 [ 55.072702][ T5083] CPU: 1 PID: 5083 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.074129][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.075751][ T5083] Call trace: [ 55.076205][ T5083] dump_backtrace+0x0/0x43c [ 55.076824][ T5083] show_stack+0x2c/0x3c [ 55.077378][ T5083] __dump_stack+0x30/0x40 [ 55.078041][ T5083] dump_stack_lvl+0xf8/0x160 [ 55.078726][ T5083] dump_stack+0x1c/0x5c [ 55.079366][ T5083] should_fail+0x3c0/0x51c [ 55.080036][ T5083] __should_failslab+0xbc/0x10c [ 55.080794][ T5083] should_failslab+0x10/0x28 [ 55.081457][ T5083] slab_pre_alloc_hook+0x64/0xec [ 55.082182][ T5083] kmem_cache_alloc+0x94/0x3e4 [ 55.082901][ T5083] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 55.083757][ T5083] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 55.084707][ T5083] btrfs_insert_replace_extent+0x7e4/0x970 [ 55.085593][ T5083] btrfs_replace_file_extents+0xa68/0x1290 [ 55.086447][ T5083] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.087360][ T5083] btrfs_prealloc_file_range+0x60/0x7c [ 55.088154][ T5083] btrfs_fallocate+0x1330/0x1614 [ 55.088889][ T5083] vfs_fallocate+0x4a4/0x5f4 [ 55.089554][ T5083] ioctl_preallocate+0x22c/0x2c8 [ 55.090290][ T5083] do_vfs_ioctl+0x1a3c/0x2370 [ 55.091044][ T5083] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.091715][ T5083] invoke_syscall+0x98/0x2b8 [ 55.092360][ T5083] el0_svc_common+0x138/0x258 [ 55.092999][ T5083] do_el0_svc+0x58/0x14c [ 55.093656][ T5083] el0_svc+0x78/0x1e0 [ 55.094237][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 55.094897][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 55.098440][ T5083] ------------[ cut here ]------------ [ 55.099465][ T5083] WARNING: CPU: 1 PID: 5083 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 55.100905][ T5083] Modules linked in: [ 55.101439][ T5083] CPU: 1 PID: 5083 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.102684][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.104149][ T5083] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.105250][ T5083] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 55.106157][ T5083] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 55.107037][ T5083] sp : ffff80001fb971e0 [ 55.107600][ T5083] x29: ffff80001fb97300 x28: 0000000000000fff x27: 0000000000000000 [ 55.108864][ T5083] x26: dfff800000000000 x25: ffff0000c9c74000 x24: ffff0000defa13a0 [ 55.110065][ T5083] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec058 [ 55.111273][ T5083] x20: ffff0000decec000 x19: 1fffe0001bd9d80b x18: 0000000000000001 [ 55.112460][ T5083] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 55.113622][ T5083] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.114777][ T5083] x11: 0000000000000000 x10: 0000000000000000 x9 : e94104e6c978f000 [ 55.115950][ T5083] x8 : e94104e6c978f000 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.117161][ T5083] x5 : ffff80001fb96ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 55.118306][ T5083] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.119400][ T5083] Call trace: [ 55.119882][ T5083] btrfs_replace_file_extents+0xcc4/0x1290 [ 55.120724][ T5083] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.121583][ T5083] btrfs_prealloc_file_range+0x60/0x7c [ 55.122411][ T5083] btrfs_fallocate+0x1330/0x1614 [ 55.123137][ T5083] vfs_fallocate+0x4a4/0x5f4 [ 55.123813][ T5083] ioctl_preallocate+0x22c/0x2c8 [ 55.124523][ T5083] do_vfs_ioctl+0x1a3c/0x2370 [ 55.125196][ T5083] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.125883][ T5083] invoke_syscall+0x98/0x2b8 [ 55.126648][ T5083] el0_svc_common+0x138/0x258 [ 55.127320][ T5083] do_el0_svc+0x58/0x14c [ 55.127945][ T5083] el0_svc+0x78/0x1e0 [ 55.128477][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 55.129210][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 55.129882][ T5083] irq event stamp: 79154 [ 55.130474][ T5083] hardirqs last enabled at (79153): [] __up_console_sem+0xb4/0x100 [ 55.131873][ T5083] hardirqs last disabled at (79154): [] el1_dbg+0x24/0x80 [ 55.133102][ T5083] softirqs last enabled at (79132): [] handle_softirqs+0xa4c/0xbf0 [ 55.134459][ T5083] softirqs last disabled at (79063): [] __irq_exit_rcu+0x240/0x440 [ 55.135815][ T5083] ---[ end trace e046304e0aebb69d ]--- [ 55.138603][ T5083] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.140247][ T5083] BTRFS info (device loop0): forced readonly [ 55.314896][ T5104] loop0: detected capacity change from 0 to 32768 [ 55.318956][ T5104] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5104) [ 55.324096][ T5104] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.325547][ T5104] BTRFS info (device loop0): using free space tree [ 55.326470][ T5104] BTRFS info (device loop0): has skinny extents [ 55.335817][ T5104] BTRFS info (device loop0): enabling ssd optimizations [ 55.339947][ T5104] FAULT_INJECTION: forcing a failure. [ 55.339947][ T5104] name failslab, interval 1, probability 0, space 0, times 0 [ 55.341956][ T5104] CPU: 1 PID: 5104 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.343349][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.344760][ T5104] Call trace: [ 55.345181][ T5104] dump_backtrace+0x0/0x43c [ 55.345830][ T5104] show_stack+0x2c/0x3c [ 55.346457][ T5104] __dump_stack+0x30/0x40 [ 55.347055][ T5104] dump_stack_lvl+0xf8/0x160 [ 55.347712][ T5104] dump_stack+0x1c/0x5c [ 55.348324][ T5104] should_fail+0x3c0/0x51c [ 55.349001][ T5104] __should_failslab+0xbc/0x10c [ 55.349706][ T5104] should_failslab+0x10/0x28 [ 55.350346][ T5104] slab_pre_alloc_hook+0x64/0xec [ 55.351065][ T5104] kmem_cache_alloc+0x94/0x3e4 [ 55.351731][ T5104] btrfs_add_delayed_data_ref+0x164/0xd0c [ 55.352537][ T5104] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 55.353391][ T5104] btrfs_insert_replace_extent+0x7e4/0x970 [ 55.354247][ T5104] btrfs_replace_file_extents+0xa68/0x1290 [ 55.355072][ T5104] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.355965][ T5104] btrfs_prealloc_file_range+0x60/0x7c [ 55.356739][ T5104] btrfs_fallocate+0x1330/0x1614 [ 55.357401][ T5104] vfs_fallocate+0x4a4/0x5f4 [ 55.358084][ T5104] ioctl_preallocate+0x22c/0x2c8 [ 55.358774][ T5104] do_vfs_ioctl+0x1a3c/0x2370 [ 55.359453][ T5104] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.360138][ T5104] invoke_syscall+0x98/0x2b8 [ 55.360812][ T5104] el0_svc_common+0x138/0x258 [ 55.361515][ T5104] do_el0_svc+0x58/0x14c [ 55.362062][ T5104] el0_svc+0x78/0x1e0 [ 55.362625][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 55.363313][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 55.366374][ T5104] ------------[ cut here ]------------ [ 55.367332][ T5104] WARNING: CPU: 1 PID: 5104 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 55.368859][ T5104] Modules linked in: [ 55.369390][ T5104] CPU: 1 PID: 5104 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.370645][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.372104][ T5104] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.373191][ T5104] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 55.374009][ T5104] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 55.374894][ T5104] sp : ffff800020c771e0 [ 55.375470][ T5104] x29: ffff800020c77300 x28: 0000000000000fff x27: 0000000000000000 [ 55.376671][ T5104] x26: dfff800000000000 x25: ffff0000d1aa8000 x24: ffff0000defa44b0 [ 55.377930][ T5104] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dececf78 [ 55.379148][ T5104] x20: ffff0000dececf20 x19: 1fffe0001bd9d9ef x18: 0000000000000001 [ 55.380326][ T5104] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 55.381422][ T5104] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.382505][ T5104] x11: 0000000000000000 x10: 0000000000000000 x9 : cc027fda7dbeb500 [ 55.383626][ T5104] x8 : cc027fda7dbeb500 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.384711][ T5104] x5 : ffff800020c76ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 55.385892][ T5104] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.387027][ T5104] Call trace: [ 55.387486][ T5104] btrfs_replace_file_extents+0xcc4/0x1290 [ 55.388310][ T5104] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.389129][ T5104] btrfs_prealloc_file_range+0x60/0x7c [ 55.389906][ T5104] btrfs_fallocate+0x1330/0x1614 [ 55.390594][ T5104] vfs_fallocate+0x4a4/0x5f4 [ 55.391281][ T5104] ioctl_preallocate+0x22c/0x2c8 [ 55.392003][ T5104] do_vfs_ioctl+0x1a3c/0x2370 [ 55.392678][ T5104] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.393351][ T5104] invoke_syscall+0x98/0x2b8 [ 55.393994][ T5104] el0_svc_common+0x138/0x258 [ 55.394650][ T5104] do_el0_svc+0x58/0x14c [ 55.395259][ T5104] el0_svc+0x78/0x1e0 [ 55.395763][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 55.396568][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 55.397207][ T5104] irq event stamp: 79010 [ 55.397813][ T5104] hardirqs last enabled at (79009): [] __up_console_sem+0xb4/0x100 [ 55.399242][ T5104] hardirqs last disabled at (79010): [] el1_dbg+0x24/0x80 [ 55.400402][ T5104] softirqs last enabled at (78990): [] handle_softirqs+0xa4c/0xbf0 [ 55.401732][ T5104] softirqs last disabled at (78951): [] __irq_exit_rcu+0x240/0x440 [ 55.403072][ T5104] ---[ end trace e046304e0aebb69e ]--- [ 55.404987][ T5104] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.406517][ T5104] BTRFS info (device loop0): forced readonly [ 55.571904][ T5125] loop0: detected capacity change from 0 to 32768 [ 55.575751][ T5125] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5125) [ 55.580326][ T5125] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.581699][ T5125] BTRFS info (device loop0): using free space tree [ 55.582660][ T5125] BTRFS info (device loop0): has skinny extents [ 55.592401][ T5125] BTRFS info (device loop0): enabling ssd optimizations [ 55.596598][ T5125] FAULT_INJECTION: forcing a failure. [ 55.596598][ T5125] name failslab, interval 1, probability 0, space 0, times 0 [ 55.598771][ T5125] CPU: 0 PID: 5125 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.600052][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.601506][ T5125] Call trace: [ 55.602039][ T5125] dump_backtrace+0x0/0x43c [ 55.602751][ T5125] show_stack+0x2c/0x3c [ 55.603349][ T5125] __dump_stack+0x30/0x40 [ 55.604002][ T5125] dump_stack_lvl+0xf8/0x160 [ 55.604692][ T5125] dump_stack+0x1c/0x5c [ 55.605299][ T5125] should_fail+0x3c0/0x51c [ 55.605922][ T5125] __should_failslab+0xbc/0x10c [ 55.606632][ T5125] should_failslab+0x10/0x28 [ 55.607313][ T5125] slab_pre_alloc_hook+0x64/0xec [ 55.608031][ T5125] kmem_cache_alloc+0x94/0x3e4 [ 55.608755][ T5125] alloc_extent_map+0x28/0x128 [ 55.609475][ T5125] btrfs_drop_extent_cache+0x160/0xdec [ 55.610385][ T5125] btrfs_drop_extents+0x2c8/0x21a4 [ 55.611265][ T5125] btrfs_replace_file_extents+0x328/0x1290 [ 55.612148][ T5125] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.612978][ T5125] btrfs_prealloc_file_range+0x60/0x7c [ 55.613731][ T5125] btrfs_fallocate+0x1330/0x1614 [ 55.614426][ T5125] vfs_fallocate+0x4a4/0x5f4 [ 55.615092][ T5125] ioctl_preallocate+0x22c/0x2c8 [ 55.615751][ T5125] do_vfs_ioctl+0x1a3c/0x2370 [ 55.616422][ T5125] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.617124][ T5125] invoke_syscall+0x98/0x2b8 [ 55.617813][ T5125] el0_svc_common+0x138/0x258 [ 55.618517][ T5125] do_el0_svc+0x58/0x14c [ 55.619124][ T5125] el0_svc+0x78/0x1e0 [ 55.619690][ T5125] el0t_64_sync_handler+0xcc/0xe4 [ 55.620393][ T5125] el0t_64_sync+0x1a0/0x1a4 [ 55.789616][ T5146] loop0: detected capacity change from 0 to 32768 [ 55.792002][ T5146] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5146) [ 55.796152][ T5146] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 55.797568][ T5146] BTRFS info (device loop0): using free space tree [ 55.798574][ T5146] BTRFS info (device loop0): has skinny extents [ 55.807172][ T5146] BTRFS info (device loop0): enabling ssd optimizations [ 55.810512][ T5146] FAULT_INJECTION: forcing a failure. [ 55.810512][ T5146] name failslab, interval 1, probability 0, space 0, times 0 [ 55.812702][ T5146] CPU: 0 PID: 5146 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.814096][ T5146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.815634][ T5146] Call trace: [ 55.816106][ T5146] dump_backtrace+0x0/0x43c [ 55.816738][ T5146] show_stack+0x2c/0x3c [ 55.817394][ T5146] __dump_stack+0x30/0x40 [ 55.817986][ T5146] dump_stack_lvl+0xf8/0x160 [ 55.818682][ T5146] dump_stack+0x1c/0x5c [ 55.819341][ T5146] should_fail+0x3c0/0x51c [ 55.820046][ T5146] __should_failslab+0xbc/0x10c [ 55.820737][ T5146] should_failslab+0x10/0x28 [ 55.821368][ T5146] slab_pre_alloc_hook+0x64/0xec [ 55.822097][ T5146] kmem_cache_alloc+0x94/0x3e4 [ 55.822837][ T5146] btrfs_add_delayed_data_ref+0x164/0xd0c [ 55.823700][ T5146] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 55.824641][ T5146] btrfs_insert_replace_extent+0x7e4/0x970 [ 55.825546][ T5146] btrfs_replace_file_extents+0xa68/0x1290 [ 55.826397][ T5146] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.827247][ T5146] btrfs_prealloc_file_range+0x60/0x7c [ 55.828022][ T5146] btrfs_fallocate+0x1330/0x1614 [ 55.828718][ T5146] vfs_fallocate+0x4a4/0x5f4 [ 55.829392][ T5146] ioctl_preallocate+0x22c/0x2c8 [ 55.830138][ T5146] do_vfs_ioctl+0x1a3c/0x2370 [ 55.830836][ T5146] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.831577][ T5146] invoke_syscall+0x98/0x2b8 [ 55.832232][ T5146] el0_svc_common+0x138/0x258 [ 55.832949][ T5146] do_el0_svc+0x58/0x14c [ 55.833568][ T5146] el0_svc+0x78/0x1e0 [ 55.834187][ T5146] el0t_64_sync_handler+0xcc/0xe4 [ 55.834963][ T5146] el0t_64_sync+0x1a0/0x1a4 [ 55.836549][ T5146] ------------[ cut here ]------------ [ 55.837461][ T5146] WARNING: CPU: 0 PID: 5146 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 55.838981][ T5146] Modules linked in: [ 55.839559][ T5146] CPU: 0 PID: 5146 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.840843][ T5146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.842302][ T5146] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.843451][ T5146] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 55.844342][ T5146] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 55.845297][ T5146] sp : ffff800020fd71e0 [ 55.845869][ T5146] x29: ffff800020fd7300 x28: 0000000000000fff x27: 0000000000000000 [ 55.847088][ T5146] x26: dfff800000000000 x25: ffff0000d6eaa000 x24: ffff0000e24693a0 [ 55.848343][ T5146] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7268 [ 55.849601][ T5146] x20: ffff0000dd6f7210 x19: 1fffe0001badee4d x18: 0000000000000001 [ 55.850768][ T5146] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 55.852011][ T5146] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.853237][ T5146] x11: 0000000000000000 x10: 0000000000000000 x9 : 956aa24efe326400 [ 55.854398][ T5146] x8 : 956aa24efe326400 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.855584][ T5146] x5 : ffff800020fd6ad8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 55.856774][ T5146] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.857952][ T5146] Call trace: [ 55.858450][ T5146] btrfs_replace_file_extents+0xcc4/0x1290 [ 55.859358][ T5146] __btrfs_prealloc_file_range+0x390/0xb88 [ 55.860192][ T5146] btrfs_prealloc_file_range+0x60/0x7c [ 55.861011][ T5146] btrfs_fallocate+0x1330/0x1614 [ 55.861730][ T5146] vfs_fallocate+0x4a4/0x5f4 [ 55.862352][ T5146] ioctl_preallocate+0x22c/0x2c8 [ 55.863055][ T5146] do_vfs_ioctl+0x1a3c/0x2370 [ 55.863783][ T5146] __arm64_sys_ioctl+0xe4/0x1c8 [ 55.864555][ T5146] invoke_syscall+0x98/0x2b8 [ 55.865223][ T5146] el0_svc_common+0x138/0x258 [ 55.865900][ T5146] do_el0_svc+0x58/0x14c [ 55.866518][ T5146] el0_svc+0x78/0x1e0 [ 55.867148][ T5146] el0t_64_sync_handler+0xcc/0xe4 [ 55.867923][ T5146] el0t_64_sync+0x1a0/0x1a4 [ 55.868563][ T5146] irq event stamp: 78600 [ 55.869164][ T5146] hardirqs last enabled at (78599): [] __up_console_sem+0xb4/0x100 [ 55.870553][ T5146] hardirqs last disabled at (78600): [] el1_dbg+0x24/0x80 [ 55.871827][ T5146] softirqs last enabled at (78580): [] handle_softirqs+0xa4c/0xbf0 [ 55.873326][ T5146] softirqs last disabled at (78529): [] __irq_exit_rcu+0x240/0x440 [ 55.874716][ T5146] ---[ end trace e046304e0aebb69f ]--- [ 55.876742][ T5146] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 55.878461][ T5146] BTRFS info (device loop0): forced readonly [ 56.070778][ T5167] loop0: detected capacity change from 0 to 32768 [ 56.073617][ T5167] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5167) [ 56.076928][ T5167] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.078419][ T5167] BTRFS info (device loop0): using free space tree [ 56.079359][ T5167] BTRFS info (device loop0): has skinny extents [ 56.088085][ T5167] BTRFS info (device loop0): enabling ssd optimizations [ 56.091518][ T5167] FAULT_INJECTION: forcing a failure. [ 56.091518][ T5167] name failslab, interval 1, probability 0, space 0, times 0 [ 56.093832][ T5167] CPU: 1 PID: 5167 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.095280][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.096799][ T5167] Call trace: [ 56.097269][ T5167] dump_backtrace+0x0/0x43c [ 56.097954][ T5167] show_stack+0x2c/0x3c [ 56.098576][ T5167] __dump_stack+0x30/0x40 [ 56.099251][ T5167] dump_stack_lvl+0xf8/0x160 [ 56.099906][ T5167] dump_stack+0x1c/0x5c [ 56.100576][ T5167] should_fail+0x3c0/0x51c [ 56.101173][ T5167] __should_failslab+0xbc/0x10c [ 56.101956][ T5167] should_failslab+0x10/0x28 [ 56.102602][ T5167] slab_pre_alloc_hook+0x64/0xec [ 56.103335][ T5167] kmem_cache_alloc+0x94/0x3e4 [ 56.104054][ T5167] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 56.104886][ T5167] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 56.105813][ T5167] btrfs_insert_replace_extent+0x7e4/0x970 [ 56.106661][ T5167] btrfs_replace_file_extents+0xa68/0x1290 [ 56.107497][ T5167] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.108327][ T5167] btrfs_prealloc_file_range+0x60/0x7c [ 56.109066][ T5167] btrfs_fallocate+0x1330/0x1614 [ 56.109729][ T5167] vfs_fallocate+0x4a4/0x5f4 [ 56.110457][ T5167] ioctl_preallocate+0x22c/0x2c8 [ 56.111106][ T5167] do_vfs_ioctl+0x1a3c/0x2370 [ 56.111785][ T5167] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.112542][ T5167] invoke_syscall+0x98/0x2b8 [ 56.113226][ T5167] el0_svc_common+0x138/0x258 [ 56.113876][ T5167] do_el0_svc+0x58/0x14c [ 56.114507][ T5167] el0_svc+0x78/0x1e0 [ 56.115075][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 56.115819][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 56.118482][ T5167] ------------[ cut here ]------------ [ 56.119437][ T5167] WARNING: CPU: 1 PID: 5167 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 56.121091][ T5167] Modules linked in: [ 56.121748][ T5167] CPU: 1 PID: 5167 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.123146][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.124765][ T5167] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.126010][ T5167] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.126957][ T5167] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.127927][ T5167] sp : ffff8000210571e0 [ 56.128559][ T5167] x29: ffff800021057300 x28: 0000000000000fff x27: 0000000000000000 [ 56.129746][ T5167] x26: dfff800000000000 x25: ffff0000e52f6000 x24: ffff0000defa6220 [ 56.130868][ T5167] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec688 [ 56.132052][ T5167] x20: ffff0000decec630 x19: 1fffe0001bd9d8d1 x18: 0000000000000001 [ 56.133177][ T5167] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 56.134401][ T5167] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.135580][ T5167] x11: 0000000000000000 x10: 0000000000000000 x9 : 1cf924c9acaf8e00 [ 56.136764][ T5167] x8 : 1cf924c9acaf8e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.137950][ T5167] x5 : ffff800021056ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 56.139083][ T5167] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.140262][ T5167] Call trace: [ 56.140761][ T5167] btrfs_replace_file_extents+0xcc4/0x1290 [ 56.141682][ T5167] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.142568][ T5167] btrfs_prealloc_file_range+0x60/0x7c [ 56.143379][ T5167] btrfs_fallocate+0x1330/0x1614 [ 56.144200][ T5167] vfs_fallocate+0x4a4/0x5f4 [ 56.144881][ T5167] ioctl_preallocate+0x22c/0x2c8 [ 56.145706][ T5167] do_vfs_ioctl+0x1a3c/0x2370 [ 56.146407][ T5167] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.147172][ T5167] invoke_syscall+0x98/0x2b8 [ 56.147852][ T5167] el0_svc_common+0x138/0x258 [ 56.148527][ T5167] do_el0_svc+0x58/0x14c [ 56.149144][ T5167] el0_svc+0x78/0x1e0 [ 56.149735][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 56.150492][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 56.151157][ T5167] irq event stamp: 78590 [ 56.151783][ T5167] hardirqs last enabled at (78589): [] __up_console_sem+0xb4/0x100 [ 56.153115][ T5167] hardirqs last disabled at (78590): [] el1_dbg+0x24/0x80 [ 56.154458][ T5167] softirqs last enabled at (78568): [] handle_softirqs+0xa4c/0xbf0 [ 56.155791][ T5167] softirqs last disabled at (78507): [] __irq_exit_rcu+0x240/0x440 [ 56.157168][ T5167] ---[ end trace e046304e0aebb6a0 ]--- [ 56.158887][ T5167] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.160479][ T5167] BTRFS info (device loop0): forced readonly [ 56.321277][ T5188] loop0: detected capacity change from 0 to 32768 [ 56.323832][ T5188] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5188) [ 56.326960][ T5188] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.328524][ T5188] BTRFS info (device loop0): using free space tree [ 56.329501][ T5188] BTRFS info (device loop0): has skinny extents [ 56.341472][ T5188] BTRFS info (device loop0): enabling ssd optimizations [ 56.345290][ T5188] FAULT_INJECTION: forcing a failure. [ 56.345290][ T5188] name failslab, interval 1, probability 0, space 0, times 0 [ 56.347323][ T5188] CPU: 0 PID: 5188 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.348859][ T5188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.350408][ T5188] Call trace: [ 56.350882][ T5188] dump_backtrace+0x0/0x43c [ 56.351580][ T5188] show_stack+0x2c/0x3c [ 56.352169][ T5188] __dump_stack+0x30/0x40 [ 56.352828][ T5188] dump_stack_lvl+0xf8/0x160 [ 56.353515][ T5188] dump_stack+0x1c/0x5c [ 56.354183][ T5188] should_fail+0x3c0/0x51c [ 56.354846][ T5188] __should_failslab+0xbc/0x10c [ 56.355575][ T5188] should_failslab+0x10/0x28 [ 56.356222][ T5188] slab_pre_alloc_hook+0x64/0xec [ 56.356953][ T5188] kmem_cache_alloc+0x94/0x3e4 [ 56.357655][ T5188] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 56.358491][ T5188] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 56.359423][ T5188] btrfs_insert_replace_extent+0x7e4/0x970 [ 56.360295][ T5188] btrfs_replace_file_extents+0xa68/0x1290 [ 56.361123][ T5188] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.361963][ T5188] btrfs_prealloc_file_range+0x60/0x7c [ 56.362802][ T5188] btrfs_fallocate+0x1330/0x1614 [ 56.363664][ T5188] vfs_fallocate+0x4a4/0x5f4 [ 56.364375][ T5188] ioctl_preallocate+0x22c/0x2c8 [ 56.365204][ T5188] do_vfs_ioctl+0x1a3c/0x2370 [ 56.365953][ T5188] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.366675][ T5188] invoke_syscall+0x98/0x2b8 [ 56.367350][ T5188] el0_svc_common+0x138/0x258 [ 56.368089][ T5188] do_el0_svc+0x58/0x14c [ 56.368712][ T5188] el0_svc+0x78/0x1e0 [ 56.369304][ T5188] el0t_64_sync_handler+0xcc/0xe4 [ 56.370066][ T5188] el0t_64_sync+0x1a0/0x1a4 [ 56.372393][ T5188] ------------[ cut here ]------------ [ 56.373394][ T5188] WARNING: CPU: 0 PID: 5188 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 56.374875][ T5188] Modules linked in: [ 56.375499][ T5188] CPU: 0 PID: 5188 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.376900][ T5188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.378475][ T5188] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.379795][ T5188] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.380811][ T5188] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.381776][ T5188] sp : ffff800020c871e0 [ 56.382435][ T5188] x29: ffff800020c87300 x28: 0000000000000fff x27: 0000000000000000 [ 56.383714][ T5188] x26: dfff800000000000 x25: ffff0000c61d4000 x24: ffff0000e246b110 [ 56.384996][ T5188] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f73c8 [ 56.386209][ T5188] x20: ffff0000dd6f7370 x19: 1fffe0001badee79 x18: 0000000000000001 [ 56.387417][ T5188] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 56.388675][ T5188] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.389972][ T5188] x11: 0000000000000000 x10: 0000000000000000 x9 : a69634381b641d00 [ 56.391213][ T5188] x8 : a69634381b641d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.392465][ T5188] x5 : ffff800020c86ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 56.393772][ T5188] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.394939][ T5188] Call trace: [ 56.395451][ T5188] btrfs_replace_file_extents+0xcc4/0x1290 [ 56.396320][ T5188] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.397191][ T5188] btrfs_prealloc_file_range+0x60/0x7c [ 56.398018][ T5188] btrfs_fallocate+0x1330/0x1614 [ 56.398783][ T5188] vfs_fallocate+0x4a4/0x5f4 [ 56.399433][ T5188] ioctl_preallocate+0x22c/0x2c8 [ 56.400244][ T5188] do_vfs_ioctl+0x1a3c/0x2370 [ 56.401006][ T5188] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.401736][ T5188] invoke_syscall+0x98/0x2b8 [ 56.402483][ T5188] el0_svc_common+0x138/0x258 [ 56.403291][ T5188] do_el0_svc+0x58/0x14c [ 56.404025][ T5188] el0_svc+0x78/0x1e0 [ 56.404706][ T5188] el0t_64_sync_handler+0xcc/0xe4 [ 56.405537][ T5188] el0t_64_sync+0x1a0/0x1a4 [ 56.406312][ T5188] irq event stamp: 78662 [ 56.406983][ T5188] hardirqs last enabled at (78661): [] __up_console_sem+0xb4/0x100 [ 56.408485][ T5188] hardirqs last disabled at (78662): [] el1_dbg+0x24/0x80 [ 56.409829][ T5188] softirqs last enabled at (78640): [] handle_softirqs+0xa4c/0xbf0 [ 56.411219][ T5188] softirqs last disabled at (78591): [] __irq_exit_rcu+0x240/0x440 [ 56.412645][ T5188] ---[ end trace e046304e0aebb6a1 ]--- [ 56.414334][ T5188] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.416134][ T5188] BTRFS info (device loop0): forced readonly [ 56.602412][ T5209] loop0: detected capacity change from 0 to 32768 [ 56.604903][ T5209] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5209) [ 56.608182][ T5209] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.609618][ T5209] BTRFS info (device loop0): using free space tree [ 56.610744][ T5209] BTRFS info (device loop0): has skinny extents [ 56.627522][ T5209] BTRFS info (device loop0): enabling ssd optimizations [ 56.631297][ T5209] FAULT_INJECTION: forcing a failure. [ 56.631297][ T5209] name failslab, interval 1, probability 0, space 0, times 0 [ 56.633797][ T5209] CPU: 0 PID: 5209 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.635269][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.636858][ T5209] Call trace: [ 56.637364][ T5209] dump_backtrace+0x0/0x43c [ 56.638120][ T5209] show_stack+0x2c/0x3c [ 56.638780][ T5209] __dump_stack+0x30/0x40 [ 56.639457][ T5209] dump_stack_lvl+0xf8/0x160 [ 56.640206][ T5209] dump_stack+0x1c/0x5c [ 56.640874][ T5209] should_fail+0x3c0/0x51c [ 56.641556][ T5209] __should_failslab+0xbc/0x10c [ 56.642286][ T5209] should_failslab+0x10/0x28 [ 56.643010][ T5209] slab_pre_alloc_hook+0x64/0xec [ 56.643737][ T5209] kmem_cache_alloc+0x94/0x3e4 [ 56.644436][ T5209] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 56.645295][ T5209] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 56.646240][ T5209] btrfs_insert_replace_extent+0x7e4/0x970 [ 56.647133][ T5209] btrfs_replace_file_extents+0xa68/0x1290 [ 56.647916][ T5209] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.648761][ T5209] btrfs_prealloc_file_range+0x60/0x7c [ 56.649559][ T5209] btrfs_fallocate+0x1330/0x1614 [ 56.650346][ T5209] vfs_fallocate+0x4a4/0x5f4 [ 56.651028][ T5209] ioctl_preallocate+0x22c/0x2c8 [ 56.651753][ T5209] do_vfs_ioctl+0x1a3c/0x2370 [ 56.652420][ T5209] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.653190][ T5209] invoke_syscall+0x98/0x2b8 [ 56.653919][ T5209] el0_svc_common+0x138/0x258 [ 56.654625][ T5209] do_el0_svc+0x58/0x14c [ 56.655271][ T5209] el0_svc+0x78/0x1e0 [ 56.655810][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 56.656581][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 56.658940][ T5209] ------------[ cut here ]------------ [ 56.659897][ T5209] WARNING: CPU: 0 PID: 5209 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 56.661358][ T5209] Modules linked in: [ 56.661911][ T5209] CPU: 0 PID: 5209 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.663245][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.664732][ T5209] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.665859][ T5209] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.666765][ T5209] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.667667][ T5209] sp : ffff8000213471e0 [ 56.668256][ T5209] x29: ffff800021347300 x28: 0000000000000fff x27: 0000000000000000 [ 56.669486][ T5209] x26: dfff800000000000 x25: ffff0000d86e8000 x24: ffff0000e246ce80 [ 56.670697][ T5209] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7528 [ 56.671863][ T5209] x20: ffff0000dd6f74d0 x19: 1fffe0001badeea5 x18: 0000000000000001 [ 56.673062][ T5209] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 56.674378][ T5209] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.675656][ T5209] x11: 0000000000000000 x10: 0000000000000000 x9 : 0124f390c01c6400 [ 56.676796][ T5209] x8 : 0124f390c01c6400 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.678002][ T5209] x5 : ffff800021346ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 56.679356][ T5209] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.680618][ T5209] Call trace: [ 56.681079][ T5209] btrfs_replace_file_extents+0xcc4/0x1290 [ 56.681840][ T5209] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.682712][ T5209] btrfs_prealloc_file_range+0x60/0x7c [ 56.683567][ T5209] btrfs_fallocate+0x1330/0x1614 [ 56.684285][ T5209] vfs_fallocate+0x4a4/0x5f4 [ 56.684898][ T5209] ioctl_preallocate+0x22c/0x2c8 [ 56.685702][ T5209] do_vfs_ioctl+0x1a3c/0x2370 [ 56.686422][ T5209] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.687194][ T5209] invoke_syscall+0x98/0x2b8 [ 56.687923][ T5209] el0_svc_common+0x138/0x258 [ 56.688601][ T5209] do_el0_svc+0x58/0x14c [ 56.689242][ T5209] el0_svc+0x78/0x1e0 [ 56.689900][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 56.690743][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 56.691448][ T5209] irq event stamp: 79416 [ 56.692135][ T5209] hardirqs last enabled at (79415): [] __up_console_sem+0xb4/0x100 [ 56.693687][ T5209] hardirqs last disabled at (79416): [] el1_dbg+0x24/0x80 [ 56.695039][ T5209] softirqs last enabled at (79394): [] handle_softirqs+0xa4c/0xbf0 [ 56.696478][ T5209] softirqs last disabled at (79343): [] __irq_exit_rcu+0x240/0x440 [ 56.698000][ T5209] ---[ end trace e046304e0aebb6a2 ]--- [ 56.699833][ T5209] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.701258][ T5209] BTRFS info (device loop0): forced readonly [ 56.733723][ T7] Bluetooth: hci0: command 0x0419 tx timeout [ 56.870907][ T5230] loop0: detected capacity change from 0 to 32768 [ 56.873744][ T5230] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5230) [ 56.876934][ T5230] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.878353][ T5230] BTRFS info (device loop0): using free space tree [ 56.879336][ T5230] BTRFS info (device loop0): has skinny extents [ 56.894067][ T5230] BTRFS info (device loop0): enabling ssd optimizations [ 56.897493][ T5230] FAULT_INJECTION: forcing a failure. [ 56.897493][ T5230] name failslab, interval 1, probability 0, space 0, times 0 [ 56.899385][ T5230] CPU: 0 PID: 5230 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.900703][ T5230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.902195][ T5230] Call trace: [ 56.902700][ T5230] dump_backtrace+0x0/0x43c [ 56.903414][ T5230] show_stack+0x2c/0x3c [ 56.904010][ T5230] __dump_stack+0x30/0x40 [ 56.904655][ T5230] dump_stack_lvl+0xf8/0x160 [ 56.905357][ T5230] dump_stack+0x1c/0x5c [ 56.905947][ T5230] should_fail+0x3c0/0x51c [ 56.906605][ T5230] __should_failslab+0xbc/0x10c [ 56.907333][ T5230] should_failslab+0x10/0x28 [ 56.908095][ T5230] slab_pre_alloc_hook+0x64/0xec [ 56.908794][ T5230] kmem_cache_alloc+0x94/0x3e4 [ 56.909537][ T5230] btrfs_add_delayed_data_ref+0x164/0xd0c [ 56.910326][ T5230] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 56.911263][ T5230] btrfs_insert_replace_extent+0x7e4/0x970 [ 56.912122][ T5230] btrfs_replace_file_extents+0xa68/0x1290 [ 56.912975][ T5230] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.913867][ T5230] btrfs_prealloc_file_range+0x60/0x7c [ 56.914651][ T5230] btrfs_fallocate+0x1330/0x1614 [ 56.915433][ T5230] vfs_fallocate+0x4a4/0x5f4 [ 56.916131][ T5230] ioctl_preallocate+0x22c/0x2c8 [ 56.916880][ T5230] do_vfs_ioctl+0x1a3c/0x2370 [ 56.917558][ T5230] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.918271][ T5230] invoke_syscall+0x98/0x2b8 [ 56.918948][ T5230] el0_svc_common+0x138/0x258 [ 56.919611][ T5230] do_el0_svc+0x58/0x14c [ 56.920301][ T5230] el0_svc+0x78/0x1e0 [ 56.920891][ T5230] el0t_64_sync_handler+0xcc/0xe4 [ 56.921679][ T5230] el0t_64_sync+0x1a0/0x1a4 [ 56.923518][ T5230] ------------[ cut here ]------------ [ 56.924503][ T5230] WARNING: CPU: 0 PID: 5230 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 56.926093][ T5230] Modules linked in: [ 56.926688][ T5230] CPU: 0 PID: 5230 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.928088][ T5230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.929638][ T5230] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.930814][ T5230] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.931732][ T5230] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 56.932609][ T5230] sp : ffff8000214571e0 [ 56.933159][ T5230] x29: ffff800021457300 x28: 0000000000000fff x27: 0000000000000000 [ 56.934345][ T5230] x26: dfff800000000000 x25: ffff0000d9904000 x24: ffff0000e246ebf0 [ 56.935563][ T5230] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7688 [ 56.936727][ T5230] x20: ffff0000dd6f7630 x19: 1fffe0001badeed1 x18: 0000000000000001 [ 56.937907][ T5230] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 56.939065][ T5230] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.940274][ T5230] x11: 0000000000000000 x10: 0000000000000000 x9 : 117be8aa75b06400 [ 56.941440][ T5230] x8 : 117be8aa75b06400 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.942725][ T5230] x5 : ffff800021456ad8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 56.944021][ T5230] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.945133][ T5230] Call trace: [ 56.945567][ T5230] btrfs_replace_file_extents+0xcc4/0x1290 [ 56.946392][ T5230] __btrfs_prealloc_file_range+0x390/0xb88 [ 56.947242][ T5230] btrfs_prealloc_file_range+0x60/0x7c [ 56.948047][ T5230] btrfs_fallocate+0x1330/0x1614 [ 56.948748][ T5230] vfs_fallocate+0x4a4/0x5f4 [ 56.949456][ T5230] ioctl_preallocate+0x22c/0x2c8 [ 56.950150][ T5230] do_vfs_ioctl+0x1a3c/0x2370 [ 56.950872][ T5230] __arm64_sys_ioctl+0xe4/0x1c8 [ 56.951595][ T5230] invoke_syscall+0x98/0x2b8 [ 56.952293][ T5230] el0_svc_common+0x138/0x258 [ 56.952974][ T5230] do_el0_svc+0x58/0x14c [ 56.953669][ T5230] el0_svc+0x78/0x1e0 [ 56.954291][ T5230] el0t_64_sync_handler+0xcc/0xe4 [ 56.955043][ T5230] el0t_64_sync+0x1a0/0x1a4 [ 56.955723][ T5230] irq event stamp: 78990 [ 56.956378][ T5230] hardirqs last enabled at (78989): [] __up_console_sem+0xb4/0x100 [ 56.957703][ T5230] hardirqs last disabled at (78990): [] el1_dbg+0x24/0x80 [ 56.958982][ T5230] softirqs last enabled at (78970): [] handle_softirqs+0xa4c/0xbf0 [ 56.960373][ T5230] softirqs last disabled at (78917): [] __irq_exit_rcu+0x240/0x440 [ 56.961735][ T5230] ---[ end trace e046304e0aebb6a3 ]--- [ 56.963349][ T5230] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 56.964926][ T5230] BTRFS info (device loop0): forced readonly [ 57.157159][ T5251] loop0: detected capacity change from 0 to 32768 [ 57.159578][ T5251] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5251) [ 57.162394][ T5251] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.164122][ T5251] BTRFS info (device loop0): using free space tree [ 57.165115][ T5251] BTRFS info (device loop0): has skinny extents [ 57.173000][ T5251] BTRFS info (device loop0): enabling ssd optimizations [ 57.179681][ T5251] FAULT_INJECTION: forcing a failure. [ 57.179681][ T5251] name failslab, interval 1, probability 0, space 0, times 0 [ 57.181803][ T5251] CPU: 1 PID: 5251 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.183167][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.184746][ T5251] Call trace: [ 57.185241][ T5251] dump_backtrace+0x0/0x43c [ 57.185978][ T5251] show_stack+0x2c/0x3c [ 57.186638][ T5251] __dump_stack+0x30/0x40 [ 57.187300][ T5251] dump_stack_lvl+0xf8/0x160 [ 57.188010][ T5251] dump_stack+0x1c/0x5c [ 57.188630][ T5251] should_fail+0x3c0/0x51c [ 57.189266][ T5251] __should_failslab+0xbc/0x10c [ 57.189974][ T5251] should_failslab+0x10/0x28 [ 57.190654][ T5251] slab_pre_alloc_hook+0x64/0xec [ 57.191384][ T5251] kmem_cache_alloc+0x94/0x3e4 [ 57.192095][ T5251] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 57.192962][ T5251] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 57.193942][ T5251] btrfs_insert_replace_extent+0x7e4/0x970 [ 57.194796][ T5251] btrfs_replace_file_extents+0xa68/0x1290 [ 57.195669][ T5251] __btrfs_prealloc_file_range+0x390/0xb88 [ 57.196498][ T5251] btrfs_prealloc_file_range+0x60/0x7c [ 57.197330][ T5251] btrfs_fallocate+0x1330/0x1614 [ 57.198092][ T5251] vfs_fallocate+0x4a4/0x5f4 [ 57.198793][ T5251] ioctl_preallocate+0x22c/0x2c8 [ 57.199524][ T5251] do_vfs_ioctl+0x1a3c/0x2370 [ 57.200203][ T5251] __arm64_sys_ioctl+0xe4/0x1c8 [ 57.200937][ T5251] invoke_syscall+0x98/0x2b8 [ 57.201590][ T5251] el0_svc_common+0x138/0x258 [ 57.202250][ T5251] do_el0_svc+0x58/0x14c [ 57.202822][ T5251] el0_svc+0x78/0x1e0 [ 57.203388][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 57.204108][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 57.207581][ T5251] ------------[ cut here ]------------ [ 57.208552][ T5251] WARNING: CPU: 1 PID: 5251 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 57.210107][ T5251] Modules linked in: [ 57.210752][ T5251] CPU: 1 PID: 5251 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.212118][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.213673][ T5251] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.214883][ T5251] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 57.215769][ T5251] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 57.216711][ T5251] sp : ffff8000215871e0 [ 57.217395][ T5251] x29: ffff800021587300 x28: 0000000000000fff x27: 0000000000000000 [ 57.218535][ T5251] x26: dfff800000000000 x25: ffff0000e37e6000 x24: ffff0000defa09d0 [ 57.219719][ T5251] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec9f8 [ 57.220958][ T5251] x20: ffff0000decec9a0 x19: 1fffe0001bd9d93f x18: 0000000000000001 [ 57.222251][ T5251] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 57.223546][ T5251] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.224735][ T5251] x11: 0000000000000000 x10: 0000000000000000 x9 : af4cc2888a328c00 [ 57.226040][ T5251] x8 : af4cc2888a328c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.227403][ T5251] x5 : ffff800021586ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 57.228639][ T5251] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.229888][ T5251] Call trace: [ 57.230386][ T5251] btrfs_replace_file_extents+0xcc4/0x1290 [ 57.231219][ T5251] __btrfs_prealloc_file_range+0x390/0xb88 [ 57.232033][ T5251] btrfs_prealloc_file_range+0x60/0x7c [ 57.232801][ T5251] btrfs_fallocate+0x1330/0x1614 [ 57.233476][ T5251] vfs_fallocate+0x4a4/0x5f4 [ 57.234268][ T5251] ioctl_preallocate+0x22c/0x2c8 [ 57.235045][ T5251] do_vfs_ioctl+0x1a3c/0x2370 [ 57.235808][ T5251] __arm64_sys_ioctl+0xe4/0x1c8 [ 57.236544][ T5251] invoke_syscall+0x98/0x2b8 [ 57.237276][ T5251] el0_svc_common+0x138/0x258 [ 57.238001][ T5251] do_el0_svc+0x58/0x14c [ 57.238656][ T5251] el0_svc+0x78/0x1e0 [ 57.239263][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 57.240015][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 57.240733][ T5251] irq event stamp: 78980 [ 57.241362][ T5251] hardirqs last enabled at (78979): [] __up_console_sem+0xb4/0x100 [ 57.242811][ T5251] hardirqs last disabled at (78980): [] el1_dbg+0x24/0x80 [ 57.244138][ T5251] softirqs last enabled at (78958): [] handle_softirqs+0xa4c/0xbf0 [ 57.245596][ T5251] softirqs last disabled at (78905): [] __irq_exit_rcu+0x240/0x440 [ 57.247026][ T5251] ---[ end trace e046304e0aebb6a4 ]--- [ 57.248804][ T5251] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.250379][ T5251] BTRFS info (device loop0): forced readonly [ 57.448008][ T5272] loop0: detected capacity change from 0 to 32768 [ 57.450707][ T5272] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5272) [ 57.455155][ T5272] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.456705][ T5272] BTRFS info (device loop0): using free space tree [ 57.457641][ T5272] BTRFS info (device loop0): has skinny extents [ 57.471824][ T5272] BTRFS info (device loop0): enabling ssd optimizations [ 57.476462][ T5272] FAULT_INJECTION: forcing a failure. [ 57.476462][ T5272] name failslab, interval 1, probability 0, space 0, times 0 [ 57.478522][ T5272] CPU: 0 PID: 5272 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.479912][ T5272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.481364][ T5272] Call trace: [ 57.481843][ T5272] dump_backtrace+0x0/0x43c [ 57.482513][ T5272] show_stack+0x2c/0x3c [ 57.483115][ T5272] __dump_stack+0x30/0x40 [ 57.483758][ T5272] dump_stack_lvl+0xf8/0x160 [ 57.484409][ T5272] dump_stack+0x1c/0x5c [ 57.484999][ T5272] should_fail+0x3c0/0x51c [ 57.485679][ T5272] __should_failslab+0xbc/0x10c [ 57.486459][ T5272] should_failslab+0x10/0x28 [ 57.487108][ T5272] slab_pre_alloc_hook+0x64/0xec [ 57.487804][ T5272] kmem_cache_alloc+0x94/0x3e4 [ 57.488460][ T5272] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 57.489309][ T5272] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 57.490233][ T5272] btrfs_insert_replace_extent+0x7e4/0x970 [ 57.491121][ T5272] btrfs_replace_file_extents+0xa68/0x1290 [ 57.491978][ T5272] __btrfs_prealloc_file_range+0x390/0xb88 [ 57.492846][ T5272] btrfs_prealloc_file_range+0x60/0x7c [ 57.493668][ T5272] btrfs_fallocate+0x1330/0x1614 [ 57.494414][ T5272] vfs_fallocate+0x4a4/0x5f4 [ 57.495088][ T5272] ioctl_preallocate+0x22c/0x2c8 [ 57.495820][ T5272] do_vfs_ioctl+0x1a3c/0x2370 [ 57.496492][ T5272] __arm64_sys_ioctl+0xe4/0x1c8 [ 57.497155][ T5272] invoke_syscall+0x98/0x2b8 [ 57.497862][ T5272] el0_svc_common+0x138/0x258 [ 57.498555][ T5272] do_el0_svc+0x58/0x14c [ 57.499184][ T5272] el0_svc+0x78/0x1e0 [ 57.499731][ T5272] el0t_64_sync_handler+0xcc/0xe4 [ 57.500412][ T5272] el0t_64_sync+0x1a0/0x1a4 [ 57.501966][ T5272] ------------[ cut here ]------------ [ 57.502947][ T5272] WARNING: CPU: 0 PID: 5272 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 57.504325][ T5272] Modules linked in: [ 57.504851][ T5272] CPU: 0 PID: 5272 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.506249][ T5272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.507770][ T5272] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.508902][ T5272] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 57.509848][ T5272] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 57.510771][ T5272] sp : ffff8000214671e0 [ 57.511392][ T5272] x29: ffff800021467300 x28: 0000000000000fff x27: 0000000000000000 [ 57.512561][ T5272] x26: dfff800000000000 x25: ffff0000e4c7e000 x24: ffff0000e25109d0 [ 57.513831][ T5272] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f77e8 [ 57.515064][ T5272] x20: ffff0000dd6f7790 x19: 1fffe0001badeefd x18: 0000000000000001 [ 57.516329][ T5272] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 57.517526][ T5272] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.518777][ T5272] x11: 0000000000000000 x10: 0000000000000000 x9 : 31c4b3520f690e00 [ 57.519949][ T5272] x8 : 31c4b3520f690e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.521034][ T5272] x5 : ffff800021466ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 57.522293][ T5272] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.523537][ T5272] Call trace: [ 57.524069][ T5272] btrfs_replace_file_extents+0xcc4/0x1290 [ 57.524924][ T5272] __btrfs_prealloc_file_range+0x390/0xb88 [ 57.525828][ T5272] btrfs_prealloc_file_range+0x60/0x7c [ 57.526670][ T5272] btrfs_fallocate+0x1330/0x1614 [ 57.527406][ T5272] vfs_fallocate+0x4a4/0x5f4 [ 57.528105][ T5272] ioctl_preallocate+0x22c/0x2c8 [ 57.528863][ T5272] do_vfs_ioctl+0x1a3c/0x2370 [ 57.529666][ T5272] __arm64_sys_ioctl+0xe4/0x1c8 [ 57.530415][ T5272] invoke_syscall+0x98/0x2b8 [ 57.531097][ T5272] el0_svc_common+0x138/0x258 [ 57.531829][ T5272] do_el0_svc+0x58/0x14c [ 57.532535][ T5272] el0_svc+0x78/0x1e0 [ 57.533192][ T5272] el0t_64_sync_handler+0xcc/0xe4 [ 57.533935][ T5272] el0t_64_sync+0x1a0/0x1a4 [ 57.534621][ T5272] irq event stamp: 78728 [ 57.535251][ T5272] hardirqs last enabled at (78727): [] __up_console_sem+0xb4/0x100 [ 57.536730][ T5272] hardirqs last disabled at (78728): [] el1_dbg+0x24/0x80 [ 57.538041][ T5272] softirqs last enabled at (78706): [] handle_softirqs+0xa4c/0xbf0 [ 57.539468][ T5272] softirqs last disabled at (78665): [] __irq_exit_rcu+0x240/0x440 [ 57.540878][ T5272] ---[ end trace e046304e0aebb6a5 ]--- [ 57.542499][ T5272] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.544069][ T5272] BTRFS info (device loop0): forced readonly [ 57.713449][ T5293] loop0: detected capacity change from 0 to 32768 [ 57.717182][ T5293] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5293) [ 57.720944][ T5293] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.722600][ T5293] BTRFS info (device loop0): using free space tree [ 57.723955][ T5293] BTRFS info (device loop0): has skinny extents [ 57.736577][ T5293] BTRFS info (device loop0): enabling ssd optimizations [ 57.740664][ T5293] FAULT_INJECTION: forcing a failure. [ 57.740664][ T5293] name failslab, interval 1, probability 0, space 0, times 0 [ 57.742824][ T5293] CPU: 0 PID: 5293 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.744213][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.745736][ T5293] Call trace: [ 57.746247][ T5293] dump_backtrace+0x0/0x43c [ 57.746993][ T5293] show_stack+0x2c/0x3c [ 57.747639][ T5293] __dump_stack+0x30/0x40 [ 57.748312][ T5293] dump_stack_lvl+0xf8/0x160 [ 57.749057][ T5293] dump_stack+0x1c/0x5c [ 57.749711][ T5293] should_fail+0x3c0/0x51c [ 57.750397][ T5293] __should_failslab+0xbc/0x10c [ 57.751127][ T5293] should_failslab+0x10/0x28 [ 57.751793][ T5293] slab_pre_alloc_hook+0x64/0xec [ 57.752547][ T5293] kmem_cache_alloc+0x94/0x3e4 [ 57.753282][ T5293] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 57.754154][ T5293] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 57.755124][ T5293] btrfs_insert_replace_extent+0x7e4/0x970 [ 57.755968][ T5293] btrfs_replace_file_extents+0xa68/0x1290 [ 57.756818][ T5293] __btrfs_prealloc_file_range+0x390/0xb88 [ 57.757694][ T5293] btrfs_prealloc_file_range+0x60/0x7c [ 57.758476][ T5293] btrfs_fallocate+0x1330/0x1614 [ 57.759199][ T5293] vfs_fallocate+0x4a4/0x5f4 [ 57.759883][ T5293] ioctl_preallocate+0x22c/0x2c8 [ 57.760599][ T5293] do_vfs_ioctl+0x1a3c/0x2370 [ 57.761308][ T5293] __arm64_sys_ioctl+0xe4/0x1c8 [ 57.762062][ T5293] invoke_syscall+0x98/0x2b8 [ 57.762702][ T5293] el0_svc_common+0x138/0x258 [ 57.763410][ T5293] do_el0_svc+0x58/0x14c [ 57.764052][ T5293] el0_svc+0x78/0x1e0 [ 57.764640][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 57.765394][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 57.767750][ T5293] ------------[ cut here ]------------ [ 57.768746][ T5293] WARNING: CPU: 0 PID: 5293 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 57.770286][ T5293] Modules linked in: [ 57.770902][ T5293] CPU: 0 PID: 5293 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.772227][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.773751][ T5293] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.775031][ T5293] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 57.775986][ T5293] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 57.776925][ T5293] sp : ffff8000216b71e0 [ 57.777476][ T5293] x29: ffff8000216b7300 x28: 0000000000000fff x27: 0000000000000000 [ 57.778617][ T5293] x26: dfff800000000000 x25: ffff0000c17d2000 x24: ffff0000e2512740 [ 57.779770][ T5293] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7948 [ 57.780949][ T5293] x20: ffff0000dd6f78f0 x19: 1fffe0001badef29 x18: 0000000000000001 [ 57.782084][ T5293] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 57.783300][ T5293] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.784508][ T5293] x11: 0000000000000000 x10: 0000000000000000 x9 : 723d188b6bf39000 [ 57.785656][ T5293] x8 : 723d188b6bf39000 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.786850][ T5293] x5 : ffff8000216b6ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 57.788011][ T5293] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.789202][ T5293] Call trace: [ 57.789665][ T5293] btrfs_replace_file_extents+0xcc4/0x1290 [ 57.790515][ T5293] __btrfs_prealloc_file_range+0x390/0xb88 [ 57.791374][ T5293] btrfs_prealloc_file_range+0x60/0x7c [ 57.792164][ T5293] btrfs_fallocate+0x1330/0x1614 [ 57.792893][ T5293] vfs_fallocate+0x4a4/0x5f4 [ 57.793567][ T5293] ioctl_preallocate+0x22c/0x2c8 [ 57.794284][ T5293] do_vfs_ioctl+0x1a3c/0x2370 [ 57.794952][ T5293] __arm64_sys_ioctl+0xe4/0x1c8 [ 57.795689][ T5293] invoke_syscall+0x98/0x2b8 [ 57.796408][ T5293] el0_svc_common+0x138/0x258 [ 57.797099][ T5293] do_el0_svc+0x58/0x14c [ 57.797676][ T5293] el0_svc+0x78/0x1e0 [ 57.798246][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 57.799022][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 57.799713][ T5293] irq event stamp: 78790 [ 57.800298][ T5293] hardirqs last enabled at (78789): [] __up_console_sem+0xb4/0x100 [ 57.801759][ T5293] hardirqs last disabled at (78790): [] el1_dbg+0x24/0x80 [ 57.803036][ T5293] softirqs last enabled at (78768): [] handle_softirqs+0xa4c/0xbf0 [ 57.804484][ T5293] softirqs last disabled at (78751): [] __irq_exit_rcu+0x240/0x440 [ 57.805939][ T5293] ---[ end trace e046304e0aebb6a6 ]--- [ 57.806920][ T5293] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 57.808349][ T5293] BTRFS info (device loop0): forced readonly [ 58.008636][ T5314] loop0: detected capacity change from 0 to 32768 [ 58.012248][ T5314] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5314) [ 58.017288][ T5314] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.018692][ T5314] BTRFS info (device loop0): using free space tree [ 58.019647][ T5314] BTRFS info (device loop0): has skinny extents [ 58.033631][ T5314] BTRFS info (device loop0): enabling ssd optimizations [ 58.037305][ T5314] FAULT_INJECTION: forcing a failure. [ 58.037305][ T5314] name failslab, interval 1, probability 0, space 0, times 0 [ 58.039311][ T5314] CPU: 1 PID: 5314 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.040617][ T5314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.042139][ T5314] Call trace: [ 58.042619][ T5314] dump_backtrace+0x0/0x43c [ 58.043303][ T5314] show_stack+0x2c/0x3c [ 58.043957][ T5314] __dump_stack+0x30/0x40 [ 58.044649][ T5314] dump_stack_lvl+0xf8/0x160 [ 58.045326][ T5314] dump_stack+0x1c/0x5c [ 58.045997][ T5314] should_fail+0x3c0/0x51c [ 58.046663][ T5314] __should_failslab+0xbc/0x10c [ 58.047438][ T5314] should_failslab+0x10/0x28 [ 58.048140][ T5314] slab_pre_alloc_hook+0x64/0xec [ 58.048897][ T5314] kmem_cache_alloc+0x94/0x3e4 [ 58.049619][ T5314] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 58.050462][ T5314] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 58.051462][ T5314] btrfs_insert_replace_extent+0x7e4/0x970 [ 58.052325][ T5314] btrfs_replace_file_extents+0xa68/0x1290 [ 58.053147][ T5314] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.053964][ T5314] btrfs_prealloc_file_range+0x60/0x7c [ 58.054766][ T5314] btrfs_fallocate+0x1330/0x1614 [ 58.055481][ T5314] vfs_fallocate+0x4a4/0x5f4 [ 58.056179][ T5314] ioctl_preallocate+0x22c/0x2c8 [ 58.056937][ T5314] do_vfs_ioctl+0x1a3c/0x2370 [ 58.057620][ T5314] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.058295][ T5314] invoke_syscall+0x98/0x2b8 [ 58.058941][ T5314] el0_svc_common+0x138/0x258 [ 58.059553][ T5314] do_el0_svc+0x58/0x14c [ 58.060175][ T5314] el0_svc+0x78/0x1e0 [ 58.060773][ T5314] el0t_64_sync_handler+0xcc/0xe4 [ 58.061465][ T5314] el0t_64_sync+0x1a0/0x1a4 [ 58.063647][ T5314] ------------[ cut here ]------------ [ 58.064637][ T5314] WARNING: CPU: 0 PID: 5314 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 58.066163][ T5314] Modules linked in: [ 58.066736][ T5314] CPU: 0 PID: 5314 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.068067][ T5314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.069549][ T5314] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.070696][ T5314] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.071634][ T5314] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.072614][ T5314] sp : ffff8000218d71e0 [ 58.073225][ T5314] x29: ffff8000218d7300 x28: 0000000000000fff x27: 0000000000000000 [ 58.074478][ T5314] x26: dfff800000000000 x25: ffff0000c7fc8000 x24: ffff0000dee3e220 [ 58.075753][ T5314] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decece18 [ 58.076936][ T5314] x20: ffff0000dececdc0 x19: 1fffe0001bd9d9c3 x18: 0000000000000001 [ 58.078125][ T5314] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 58.079282][ T5314] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.080487][ T5314] x11: 0000000000000000 x10: 0000000000000000 x9 : 1c06960a15e4fd00 [ 58.081706][ T5314] x8 : 1c06960a15e4fd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.082926][ T5314] x5 : ffff8000218d6ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 58.084110][ T5314] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.085330][ T5314] Call trace: [ 58.085857][ T5314] btrfs_replace_file_extents+0xcc4/0x1290 [ 58.086700][ T5314] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.087588][ T5314] btrfs_prealloc_file_range+0x60/0x7c [ 58.088413][ T5314] btrfs_fallocate+0x1330/0x1614 [ 58.089186][ T5314] vfs_fallocate+0x4a4/0x5f4 [ 58.089866][ T5314] ioctl_preallocate+0x22c/0x2c8 [ 58.090632][ T5314] do_vfs_ioctl+0x1a3c/0x2370 [ 58.091280][ T5314] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.091966][ T5314] invoke_syscall+0x98/0x2b8 [ 58.092636][ T5314] el0_svc_common+0x138/0x258 [ 58.093281][ T5314] do_el0_svc+0x58/0x14c [ 58.093871][ T5314] el0_svc+0x78/0x1e0 [ 58.094467][ T5314] el0t_64_sync_handler+0xcc/0xe4 [ 58.095244][ T5314] el0t_64_sync+0x1a0/0x1a4 [ 58.095907][ T5314] irq event stamp: 79148 [ 58.096531][ T5314] hardirqs last enabled at (79147): [] __up_console_sem+0xb4/0x100 [ 58.098066][ T5314] hardirqs last disabled at (79148): [] el1_dbg+0x24/0x80 [ 58.099441][ T5314] softirqs last enabled at (79126): [] handle_softirqs+0xa4c/0xbf0 [ 58.100931][ T5314] softirqs last disabled at (79093): [] __irq_exit_rcu+0x240/0x440 [ 58.102361][ T5314] ---[ end trace e046304e0aebb6a7 ]--- [ 58.104179][ T5314] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.105824][ T5314] BTRFS info (device loop0): forced readonly [ 58.311161][ T5335] loop0: detected capacity change from 0 to 32768 [ 58.313680][ T5335] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5335) [ 58.316951][ T5335] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.319007][ T5335] BTRFS info (device loop0): using free space tree [ 58.320119][ T5335] BTRFS info (device loop0): has skinny extents [ 58.334554][ T5335] BTRFS info (device loop0): enabling ssd optimizations [ 58.342045][ T5335] FAULT_INJECTION: forcing a failure. [ 58.342045][ T5335] name failslab, interval 1, probability 0, space 0, times 0 [ 58.344984][ T5335] CPU: 0 PID: 5335 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.346464][ T5335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.348140][ T5335] Call trace: [ 58.348667][ T5335] dump_backtrace+0x0/0x43c [ 58.349400][ T5335] show_stack+0x2c/0x3c [ 58.350073][ T5335] __dump_stack+0x30/0x40 [ 58.350811][ T5335] dump_stack_lvl+0xf8/0x160 [ 58.351469][ T5335] dump_stack+0x1c/0x5c [ 58.352069][ T5335] should_fail+0x3c0/0x51c [ 58.352737][ T5335] __should_failslab+0xbc/0x10c [ 58.353469][ T5335] should_failslab+0x10/0x28 [ 58.354175][ T5335] slab_pre_alloc_hook+0x64/0xec [ 58.354921][ T5335] kmem_cache_alloc+0x94/0x3e4 [ 58.355639][ T5335] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 58.356496][ T5335] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 58.357458][ T5335] btrfs_insert_replace_extent+0x7e4/0x970 [ 58.358327][ T5335] btrfs_replace_file_extents+0xa68/0x1290 [ 58.359187][ T5335] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.360078][ T5335] btrfs_prealloc_file_range+0x60/0x7c [ 58.360898][ T5335] btrfs_fallocate+0x1330/0x1614 [ 58.361696][ T5335] vfs_fallocate+0x4a4/0x5f4 [ 58.362407][ T5335] ioctl_preallocate+0x22c/0x2c8 [ 58.363159][ T5335] do_vfs_ioctl+0x1a3c/0x2370 [ 58.363846][ T5335] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.364531][ T5335] invoke_syscall+0x98/0x2b8 [ 58.365227][ T5335] el0_svc_common+0x138/0x258 [ 58.365893][ T5335] do_el0_svc+0x58/0x14c [ 58.366529][ T5335] el0_svc+0x78/0x1e0 [ 58.367142][ T5335] el0t_64_sync_handler+0xcc/0xe4 [ 58.367865][ T5335] el0t_64_sync+0x1a0/0x1a4 [ 58.369961][ T5335] ------------[ cut here ]------------ [ 58.370901][ T5335] WARNING: CPU: 0 PID: 5335 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 58.372429][ T5335] Modules linked in: [ 58.373034][ T5335] CPU: 0 PID: 5335 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.374529][ T5335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.376026][ T5335] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.377280][ T5335] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.378185][ T5335] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.379202][ T5335] sp : ffff800021a071e0 [ 58.379818][ T5335] x29: ffff800021a07300 x28: 0000000000000fff x27: 0000000000000000 [ 58.381008][ T5335] x26: dfff800000000000 x25: ffff0000c973a000 x24: ffff0000dee3bae0 [ 58.382240][ T5335] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f79f8 [ 58.383512][ T5335] x20: ffff0000dd6f79a0 x19: 1fffe0001badef3f x18: 0000000000000001 [ 58.384709][ T5335] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 58.386017][ T5335] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.387226][ T5335] x11: 0000000000000000 x10: 0000000000000000 x9 : 32adb517c3fe1c00 [ 58.388441][ T5335] x8 : 32adb517c3fe1c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.389702][ T5335] x5 : ffff800021a06ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 58.390854][ T5335] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.392060][ T5335] Call trace: [ 58.392599][ T5335] btrfs_replace_file_extents+0xcc4/0x1290 [ 58.393496][ T5335] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.394374][ T5335] btrfs_prealloc_file_range+0x60/0x7c [ 58.395204][ T5335] btrfs_fallocate+0x1330/0x1614 [ 58.395927][ T5335] vfs_fallocate+0x4a4/0x5f4 [ 58.396619][ T5335] ioctl_preallocate+0x22c/0x2c8 [ 58.397322][ T5335] do_vfs_ioctl+0x1a3c/0x2370 [ 58.397971][ T5335] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.398690][ T5335] invoke_syscall+0x98/0x2b8 [ 58.399367][ T5335] el0_svc_common+0x138/0x258 [ 58.400133][ T5335] do_el0_svc+0x58/0x14c [ 58.400777][ T5335] el0_svc+0x78/0x1e0 [ 58.401409][ T5335] el0t_64_sync_handler+0xcc/0xe4 [ 58.402219][ T5335] el0t_64_sync+0x1a0/0x1a4 [ 58.402994][ T5335] irq event stamp: 78966 [ 58.403604][ T5335] hardirqs last enabled at (78965): [] __up_console_sem+0xb4/0x100 [ 58.405087][ T5335] hardirqs last disabled at (78966): [] el1_dbg+0x24/0x80 [ 58.406329][ T5335] softirqs last enabled at (78944): [] handle_softirqs+0xa4c/0xbf0 [ 58.407685][ T5335] softirqs last disabled at (78927): [] __irq_exit_rcu+0x240/0x440 [ 58.409189][ T5335] ---[ end trace e046304e0aebb6a8 ]--- [ 58.411124][ T5335] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.412740][ T5335] BTRFS info (device loop0): forced readonly [ 58.590390][ T5356] loop0: detected capacity change from 0 to 32768 [ 58.592876][ T5356] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5356) [ 58.598093][ T5356] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.599587][ T5356] BTRFS info (device loop0): using free space tree [ 58.600610][ T5356] BTRFS info (device loop0): has skinny extents [ 58.609797][ T5356] BTRFS info (device loop0): enabling ssd optimizations [ 58.613156][ T5356] FAULT_INJECTION: forcing a failure. [ 58.613156][ T5356] name failslab, interval 1, probability 0, space 0, times 0 [ 58.615607][ T5356] CPU: 0 PID: 5356 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.617046][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.618557][ T5356] Call trace: [ 58.619060][ T5356] dump_backtrace+0x0/0x43c [ 58.619721][ T5356] show_stack+0x2c/0x3c [ 58.620301][ T5356] __dump_stack+0x30/0x40 [ 58.620922][ T5356] dump_stack_lvl+0xf8/0x160 [ 58.621598][ T5356] dump_stack+0x1c/0x5c [ 58.622260][ T5356] should_fail+0x3c0/0x51c [ 58.622918][ T5356] __should_failslab+0xbc/0x10c [ 58.623628][ T5356] should_failslab+0x10/0x28 [ 58.624298][ T5356] slab_pre_alloc_hook+0x64/0xec [ 58.625044][ T5356] kmem_cache_alloc+0x94/0x3e4 [ 58.625782][ T5356] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 58.626633][ T5356] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 58.627686][ T5356] btrfs_insert_replace_extent+0x7e4/0x970 [ 58.628610][ T5356] btrfs_replace_file_extents+0xa68/0x1290 [ 58.629472][ T5356] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.630289][ T5356] btrfs_prealloc_file_range+0x60/0x7c [ 58.631149][ T5356] btrfs_fallocate+0x1330/0x1614 [ 58.631843][ T5356] vfs_fallocate+0x4a4/0x5f4 [ 58.632510][ T5356] ioctl_preallocate+0x22c/0x2c8 [ 58.633284][ T5356] do_vfs_ioctl+0x1a3c/0x2370 [ 58.634026][ T5356] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.634729][ T5356] invoke_syscall+0x98/0x2b8 [ 58.635415][ T5356] el0_svc_common+0x138/0x258 [ 58.636139][ T5356] do_el0_svc+0x58/0x14c [ 58.636741][ T5356] el0_svc+0x78/0x1e0 [ 58.637284][ T5356] el0t_64_sync_handler+0xcc/0xe4 [ 58.638062][ T5356] el0t_64_sync+0x1a0/0x1a4 [ 58.640349][ T5356] ------------[ cut here ]------------ [ 58.641220][ T5356] WARNING: CPU: 0 PID: 5356 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 58.642654][ T5356] Modules linked in: [ 58.643239][ T5356] CPU: 0 PID: 5356 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.644620][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.646078][ T5356] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.647188][ T5356] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.648124][ T5356] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.649006][ T5356] sp : ffff800021b171e0 [ 58.649602][ T5356] x29: ffff800021b17300 x28: 0000000000000fff x27: 0000000000000000 [ 58.650751][ T5356] x26: dfff800000000000 x25: ffff0000c8bec000 x24: ffff0000e2513ae0 [ 58.651967][ T5356] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7b58 [ 58.653159][ T5356] x20: ffff0000dd6f7b00 x19: 1fffe0001badef6b x18: 0000000000000001 [ 58.654378][ T5356] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 58.655603][ T5356] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.656764][ T5356] x11: 0000000000000000 x10: 0000000000000000 x9 : 201fee7ce7551100 [ 58.657934][ T5356] x8 : 201fee7ce7551100 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.659178][ T5356] x5 : ffff800021b16ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 58.660444][ T5356] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.661641][ T5356] Call trace: [ 58.662141][ T5356] btrfs_replace_file_extents+0xcc4/0x1290 [ 58.663024][ T5356] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.663827][ T5356] btrfs_prealloc_file_range+0x60/0x7c [ 58.664630][ T5356] btrfs_fallocate+0x1330/0x1614 [ 58.665393][ T5356] vfs_fallocate+0x4a4/0x5f4 [ 58.666187][ T5356] ioctl_preallocate+0x22c/0x2c8 [ 58.667032][ T5356] do_vfs_ioctl+0x1a3c/0x2370 [ 58.667750][ T5356] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.668524][ T5356] invoke_syscall+0x98/0x2b8 [ 58.669219][ T5356] el0_svc_common+0x138/0x258 [ 58.669958][ T5356] do_el0_svc+0x58/0x14c [ 58.670587][ T5356] el0_svc+0x78/0x1e0 [ 58.671159][ T5356] el0t_64_sync_handler+0xcc/0xe4 [ 58.671860][ T5356] el0t_64_sync+0x1a0/0x1a4 [ 58.672539][ T5356] irq event stamp: 79004 [ 58.673172][ T5356] hardirqs last enabled at (79003): [] __up_console_sem+0xb4/0x100 [ 58.674628][ T5356] hardirqs last disabled at (79004): [] el1_dbg+0x24/0x80 [ 58.675949][ T5356] softirqs last enabled at (78982): [] handle_softirqs+0xa4c/0xbf0 [ 58.677366][ T5356] softirqs last disabled at (78965): [] __irq_exit_rcu+0x240/0x440 [ 58.678819][ T5356] ---[ end trace e046304e0aebb6a9 ]--- [ 58.680460][ T5356] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.682222][ T5356] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:58 executed programs: 32 [ 58.875043][ T5377] loop0: detected capacity change from 0 to 32768 [ 58.877533][ T5377] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5377) [ 58.880648][ T5377] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 58.882167][ T5377] BTRFS info (device loop0): using free space tree [ 58.883188][ T5377] BTRFS info (device loop0): has skinny extents [ 58.892202][ T5377] BTRFS info (device loop0): enabling ssd optimizations [ 58.898265][ T5377] FAULT_INJECTION: forcing a failure. [ 58.898265][ T5377] name failslab, interval 1, probability 0, space 0, times 0 [ 58.900158][ T5377] CPU: 0 PID: 5377 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.901534][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.902986][ T5377] Call trace: [ 58.903525][ T5377] dump_backtrace+0x0/0x43c [ 58.904213][ T5377] show_stack+0x2c/0x3c [ 58.904840][ T5377] __dump_stack+0x30/0x40 [ 58.905512][ T5377] dump_stack_lvl+0xf8/0x160 [ 58.906246][ T5377] dump_stack+0x1c/0x5c [ 58.906901][ T5377] should_fail+0x3c0/0x51c [ 58.907602][ T5377] __should_failslab+0xbc/0x10c [ 58.908346][ T5377] should_failslab+0x10/0x28 [ 58.909050][ T5377] slab_pre_alloc_hook+0x64/0xec [ 58.909742][ T5377] kmem_cache_alloc+0x94/0x3e4 [ 58.910467][ T5377] btrfs_add_delayed_data_ref+0x164/0xd0c [ 58.911372][ T5377] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 58.912302][ T5377] btrfs_insert_replace_extent+0x7e4/0x970 [ 58.913216][ T5377] btrfs_replace_file_extents+0xa68/0x1290 [ 58.914092][ T5377] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.914985][ T5377] btrfs_prealloc_file_range+0x60/0x7c [ 58.915777][ T5377] btrfs_fallocate+0x1330/0x1614 [ 58.916507][ T5377] vfs_fallocate+0x4a4/0x5f4 [ 58.917169][ T5377] ioctl_preallocate+0x22c/0x2c8 [ 58.917876][ T5377] do_vfs_ioctl+0x1a3c/0x2370 [ 58.918535][ T5377] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.919300][ T5377] invoke_syscall+0x98/0x2b8 [ 58.920030][ T5377] el0_svc_common+0x138/0x258 [ 58.920774][ T5377] do_el0_svc+0x58/0x14c [ 58.921403][ T5377] el0_svc+0x78/0x1e0 [ 58.921970][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 58.922742][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 58.925220][ T5377] ------------[ cut here ]------------ [ 58.926192][ T5377] WARNING: CPU: 0 PID: 5377 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 58.927642][ T5377] Modules linked in: [ 58.928259][ T5377] CPU: 0 PID: 5377 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.929538][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.931052][ T5377] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.932247][ T5377] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.933121][ T5377] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 58.934023][ T5377] sp : ffff800021c271e0 [ 58.934609][ T5377] x29: ffff800021c27300 x28: 0000000000000fff x27: 0000000000000000 [ 58.935816][ T5377] x26: dfff800000000000 x25: ffff0000d9b4e000 x24: ffff0000e25144b0 [ 58.937022][ T5377] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7cb8 [ 58.938175][ T5377] x20: ffff0000dd6f7c60 x19: 1fffe0001badef97 x18: 0000000000000001 [ 58.939409][ T5377] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 58.940585][ T5377] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.941793][ T5377] x11: 0000000000000000 x10: 0000000000000000 x9 : fc3f6afd9a4bcd00 [ 58.942996][ T5377] x8 : fc3f6afd9a4bcd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.944159][ T5377] x5 : ffff800021c26ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 58.945315][ T5377] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.946537][ T5377] Call trace: [ 58.946994][ T5377] btrfs_replace_file_extents+0xcc4/0x1290 [ 58.947780][ T5377] __btrfs_prealloc_file_range+0x390/0xb88 [ 58.948640][ T5377] btrfs_prealloc_file_range+0x60/0x7c [ 58.949445][ T5377] btrfs_fallocate+0x1330/0x1614 [ 58.950160][ T5377] vfs_fallocate+0x4a4/0x5f4 [ 58.950837][ T5377] ioctl_preallocate+0x22c/0x2c8 [ 58.951598][ T5377] do_vfs_ioctl+0x1a3c/0x2370 [ 58.952252][ T5377] __arm64_sys_ioctl+0xe4/0x1c8 [ 58.952936][ T5377] invoke_syscall+0x98/0x2b8 [ 58.953592][ T5377] el0_svc_common+0x138/0x258 [ 58.954265][ T5377] do_el0_svc+0x58/0x14c [ 58.954873][ T5377] el0_svc+0x78/0x1e0 [ 58.955487][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 58.956228][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 58.956871][ T5377] irq event stamp: 78800 [ 58.957448][ T5377] hardirqs last enabled at (78799): [] __up_console_sem+0xb4/0x100 [ 58.958881][ T5377] hardirqs last disabled at (78800): [] el1_dbg+0x24/0x80 [ 58.960156][ T5377] softirqs last enabled at (78780): [] handle_softirqs+0xa4c/0xbf0 [ 58.961516][ T5377] softirqs last disabled at (78757): [] __irq_exit_rcu+0x240/0x440 [ 58.962912][ T5377] ---[ end trace e046304e0aebb6aa ]--- [ 58.964362][ T5377] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 58.966249][ T5377] BTRFS info (device loop0): forced readonly [ 59.140917][ T5398] loop0: detected capacity change from 0 to 32768 [ 59.143695][ T5398] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5398) [ 59.147362][ T5398] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.148784][ T5398] BTRFS info (device loop0): using free space tree [ 59.149757][ T5398] BTRFS info (device loop0): has skinny extents [ 59.159945][ T5398] BTRFS info (device loop0): enabling ssd optimizations [ 59.164298][ T5398] FAULT_INJECTION: forcing a failure. [ 59.164298][ T5398] name failslab, interval 1, probability 0, space 0, times 0 [ 59.166331][ T5398] CPU: 1 PID: 5398 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.167638][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.169065][ T5398] Call trace: [ 59.169516][ T5398] dump_backtrace+0x0/0x43c [ 59.170157][ T5398] show_stack+0x2c/0x3c [ 59.170766][ T5398] __dump_stack+0x30/0x40 [ 59.171407][ T5398] dump_stack_lvl+0xf8/0x160 [ 59.172069][ T5398] dump_stack+0x1c/0x5c [ 59.172647][ T5398] should_fail+0x3c0/0x51c [ 59.173309][ T5398] __should_failslab+0xbc/0x10c [ 59.173956][ T5398] should_failslab+0x10/0x28 [ 59.174593][ T5398] slab_pre_alloc_hook+0x64/0xec [ 59.175331][ T5398] kmem_cache_alloc+0x94/0x3e4 [ 59.176067][ T5398] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 59.176892][ T5398] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 59.177799][ T5398] btrfs_insert_replace_extent+0x7e4/0x970 [ 59.178672][ T5398] btrfs_replace_file_extents+0xa68/0x1290 [ 59.179470][ T5398] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.180275][ T5398] btrfs_prealloc_file_range+0x60/0x7c [ 59.181029][ T5398] btrfs_fallocate+0x1330/0x1614 [ 59.181773][ T5398] vfs_fallocate+0x4a4/0x5f4 [ 59.182419][ T5398] ioctl_preallocate+0x22c/0x2c8 [ 59.183182][ T5398] do_vfs_ioctl+0x1a3c/0x2370 [ 59.183860][ T5398] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.184618][ T5398] invoke_syscall+0x98/0x2b8 [ 59.185282][ T5398] el0_svc_common+0x138/0x258 [ 59.185949][ T5398] do_el0_svc+0x58/0x14c [ 59.186557][ T5398] el0_svc+0x78/0x1e0 [ 59.187149][ T5398] el0t_64_sync_handler+0xcc/0xe4 [ 59.187865][ T5398] el0t_64_sync+0x1a0/0x1a4 [ 59.188775][ T5398] ------------[ cut here ]------------ [ 59.190301][ T5398] WARNING: CPU: 1 PID: 5398 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 59.191740][ T5398] Modules linked in: [ 59.192329][ T5398] CPU: 1 PID: 5398 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.193758][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.195293][ T5398] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.196495][ T5398] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 59.197368][ T5398] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 59.198271][ T5398] sp : ffff800021c271e0 [ 59.198888][ T5398] x29: ffff800021c27300 x28: 0000000000000fff x27: 0000000000000000 [ 59.200052][ T5398] x26: dfff800000000000 x25: ffff0000d0d64000 x24: ffff0000e2518000 [ 59.201246][ T5398] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec898 [ 59.202391][ T5398] x20: ffff0000decec840 x19: 1fffe0001bd9d913 x18: 0000000000000001 [ 59.203559][ T5398] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 59.204806][ T5398] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.205950][ T5398] x11: 0000000000000000 x10: 0000000000000000 x9 : b79fb159e6554900 [ 59.207133][ T5398] x8 : b79fb159e6554900 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.208264][ T5398] x5 : ffff800021c26ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 59.209446][ T5398] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.210586][ T5398] Call trace: [ 59.211022][ T5398] btrfs_replace_file_extents+0xcc4/0x1290 [ 59.211888][ T5398] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.212719][ T5398] btrfs_prealloc_file_range+0x60/0x7c [ 59.213493][ T5398] btrfs_fallocate+0x1330/0x1614 [ 59.214177][ T5398] vfs_fallocate+0x4a4/0x5f4 [ 59.214890][ T5398] ioctl_preallocate+0x22c/0x2c8 [ 59.215576][ T5398] do_vfs_ioctl+0x1a3c/0x2370 [ 59.216282][ T5398] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.216964][ T5398] invoke_syscall+0x98/0x2b8 [ 59.217683][ T5398] el0_svc_common+0x138/0x258 [ 59.218287][ T5398] do_el0_svc+0x58/0x14c [ 59.218881][ T5398] el0_svc+0x78/0x1e0 [ 59.219430][ T5398] el0t_64_sync_handler+0xcc/0xe4 [ 59.220069][ T5398] el0t_64_sync+0x1a0/0x1a4 [ 59.220696][ T5398] irq event stamp: 79050 [ 59.221309][ T5398] hardirqs last enabled at (79049): [] __up_console_sem+0xb4/0x100 [ 59.222737][ T5398] hardirqs last disabled at (79050): [] el1_dbg+0x24/0x80 [ 59.224018][ T5398] softirqs last enabled at (79024): [] handle_softirqs+0xa4c/0xbf0 [ 59.225409][ T5398] softirqs last disabled at (79003): [] __irq_exit_rcu+0x240/0x440 [ 59.226817][ T5398] ---[ end trace e046304e0aebb6ab ]--- [ 59.228254][ T5398] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.229773][ T5398] BTRFS info (device loop0): forced readonly [ 59.427343][ T5419] loop0: detected capacity change from 0 to 32768 [ 59.429785][ T5419] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5419) [ 59.433031][ T5419] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.434571][ T5419] BTRFS info (device loop0): using free space tree [ 59.435550][ T5419] BTRFS info (device loop0): has skinny extents [ 59.446873][ T5419] BTRFS info (device loop0): enabling ssd optimizations [ 59.450244][ T5419] FAULT_INJECTION: forcing a failure. [ 59.450244][ T5419] name failslab, interval 1, probability 0, space 0, times 0 [ 59.452479][ T5419] CPU: 1 PID: 5419 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.453892][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.455469][ T5419] Call trace: [ 59.455999][ T5419] dump_backtrace+0x0/0x43c [ 59.456730][ T5419] show_stack+0x2c/0x3c [ 59.457348][ T5419] __dump_stack+0x30/0x40 [ 59.457996][ T5419] dump_stack_lvl+0xf8/0x160 [ 59.458669][ T5419] dump_stack+0x1c/0x5c [ 59.459307][ T5419] should_fail+0x3c0/0x51c [ 59.459921][ T5419] __should_failslab+0xbc/0x10c [ 59.460683][ T5419] should_failslab+0x10/0x28 [ 59.461411][ T5419] slab_pre_alloc_hook+0x64/0xec [ 59.462099][ T5419] kmem_cache_alloc+0x94/0x3e4 [ 59.462854][ T5419] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 59.463690][ T5419] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 59.464624][ T5419] btrfs_insert_replace_extent+0x7e4/0x970 [ 59.465483][ T5419] btrfs_replace_file_extents+0xa68/0x1290 [ 59.466309][ T5419] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.467144][ T5419] btrfs_prealloc_file_range+0x60/0x7c [ 59.467878][ T5419] btrfs_fallocate+0x1330/0x1614 [ 59.468625][ T5419] vfs_fallocate+0x4a4/0x5f4 [ 59.469253][ T5419] ioctl_preallocate+0x22c/0x2c8 [ 59.469928][ T5419] do_vfs_ioctl+0x1a3c/0x2370 [ 59.470615][ T5419] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.471263][ T5419] invoke_syscall+0x98/0x2b8 [ 59.471984][ T5419] el0_svc_common+0x138/0x258 [ 59.472647][ T5419] do_el0_svc+0x58/0x14c [ 59.473251][ T5419] el0_svc+0x78/0x1e0 [ 59.473815][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 59.474533][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 59.475314][ T5419] ------------[ cut here ]------------ [ 59.476215][ T5419] WARNING: CPU: 1 PID: 5419 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 59.477631][ T5419] Modules linked in: [ 59.478189][ T5419] CPU: 1 PID: 5419 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.479549][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.481037][ T5419] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.482122][ T5419] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 59.483029][ T5419] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 59.483933][ T5419] sp : ffff800021e671e0 [ 59.484532][ T5419] x29: ffff800021e67300 x28: 0000000000000fff x27: 0000000000000000 [ 59.485711][ T5419] x26: dfff800000000000 x25: ffff0000ca08e000 x24: ffff0000e2519d70 [ 59.487006][ T5419] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dececb58 [ 59.488278][ T5419] x20: ffff0000dececb00 x19: 1fffe0001bd9d96b x18: 0000000000000001 [ 59.489462][ T5419] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 59.490610][ T5419] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.491782][ T5419] x11: 0000000000000000 x10: 0000000000000000 x9 : 4ccc178afaa9f900 [ 59.492908][ T5419] x8 : 4ccc178afaa9f900 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.494004][ T5419] x5 : ffff800021e66ad8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 59.495077][ T5419] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.496183][ T5419] Call trace: [ 59.496640][ T5419] btrfs_replace_file_extents+0xcc4/0x1290 [ 59.497444][ T5419] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.498299][ T5419] btrfs_prealloc_file_range+0x60/0x7c [ 59.499120][ T5419] btrfs_fallocate+0x1330/0x1614 [ 59.499837][ T5419] vfs_fallocate+0x4a4/0x5f4 [ 59.500486][ T5419] ioctl_preallocate+0x22c/0x2c8 [ 59.501144][ T5419] do_vfs_ioctl+0x1a3c/0x2370 [ 59.501838][ T5419] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.502604][ T5419] invoke_syscall+0x98/0x2b8 [ 59.503281][ T5419] el0_svc_common+0x138/0x258 [ 59.503978][ T5419] do_el0_svc+0x58/0x14c [ 59.504565][ T5419] el0_svc+0x78/0x1e0 [ 59.505117][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 59.505849][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 59.506450][ T5419] irq event stamp: 78930 [ 59.507068][ T5419] hardirqs last enabled at (78929): [] __up_console_sem+0xb4/0x100 [ 59.508400][ T5419] hardirqs last disabled at (78930): [] el1_dbg+0x24/0x80 [ 59.509736][ T5419] softirqs last enabled at (78908): [] handle_softirqs+0xa4c/0xbf0 [ 59.511113][ T5419] softirqs last disabled at (78901): [] __irq_exit_rcu+0x240/0x440 [ 59.512489][ T5419] ---[ end trace e046304e0aebb6ac ]--- [ 59.513753][ T5419] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.515379][ T5419] BTRFS info (device loop0): forced readonly [ 59.700702][ T5440] loop0: detected capacity change from 0 to 32768 [ 59.703589][ T5440] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5440) [ 59.706801][ T5440] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.708370][ T5440] BTRFS info (device loop0): using free space tree [ 59.709359][ T5440] BTRFS info (device loop0): has skinny extents [ 59.720130][ T5440] BTRFS info (device loop0): enabling ssd optimizations [ 59.724546][ T5440] FAULT_INJECTION: forcing a failure. [ 59.724546][ T5440] name failslab, interval 1, probability 0, space 0, times 0 [ 59.726658][ T5440] CPU: 1 PID: 5440 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.727968][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.729515][ T5440] Call trace: [ 59.729983][ T5440] dump_backtrace+0x0/0x43c [ 59.730652][ T5440] show_stack+0x2c/0x3c [ 59.731290][ T5440] __dump_stack+0x30/0x40 [ 59.731974][ T5440] dump_stack_lvl+0xf8/0x160 [ 59.732713][ T5440] dump_stack+0x1c/0x5c [ 59.733359][ T5440] should_fail+0x3c0/0x51c [ 59.733957][ T5440] __should_failslab+0xbc/0x10c [ 59.734656][ T5440] should_failslab+0x10/0x28 [ 59.735286][ T5440] slab_pre_alloc_hook+0x64/0xec [ 59.736000][ T5440] kmem_cache_alloc+0x94/0x3e4 [ 59.736694][ T5440] btrfs_add_delayed_data_ref+0x164/0xd0c [ 59.737550][ T5440] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 59.738464][ T5440] btrfs_insert_replace_extent+0x7e4/0x970 [ 59.739380][ T5440] btrfs_replace_file_extents+0xa68/0x1290 [ 59.740255][ T5440] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.741142][ T5440] btrfs_prealloc_file_range+0x60/0x7c [ 59.742025][ T5440] btrfs_fallocate+0x1330/0x1614 [ 59.742799][ T5440] vfs_fallocate+0x4a4/0x5f4 [ 59.743499][ T5440] ioctl_preallocate+0x22c/0x2c8 [ 59.744237][ T5440] do_vfs_ioctl+0x1a3c/0x2370 [ 59.744926][ T5440] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.745645][ T5440] invoke_syscall+0x98/0x2b8 [ 59.746337][ T5440] el0_svc_common+0x138/0x258 [ 59.747057][ T5440] do_el0_svc+0x58/0x14c [ 59.747718][ T5440] el0_svc+0x78/0x1e0 [ 59.748270][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 59.748993][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 59.751531][ T5440] ------------[ cut here ]------------ [ 59.752557][ T5440] WARNING: CPU: 1 PID: 5440 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 59.754183][ T5440] Modules linked in: [ 59.754804][ T5440] CPU: 1 PID: 5440 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.756360][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.757844][ T5440] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.759136][ T5440] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 59.759997][ T5440] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 59.760953][ T5440] sp : ffff800021e671e0 [ 59.761585][ T5440] x29: ffff800021e67300 x28: 0000000000000fff x27: 0000000000000000 [ 59.762814][ T5440] x26: dfff800000000000 x25: ffff0000dc69e000 x24: ffff0000e251ce80 [ 59.763994][ T5440] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec528 [ 59.765153][ T5440] x20: ffff0000decec4d0 x19: 1fffe0001bd9d8a5 x18: 0000000000000001 [ 59.766363][ T5440] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 59.767542][ T5440] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 59.768737][ T5440] x11: 0000000000000000 x10: 0000000000000000 x9 : bcf62bdc9e6d3300 [ 59.769909][ T5440] x8 : bcf62bdc9e6d3300 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.771161][ T5440] x5 : ffff800021e66ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 59.772292][ T5440] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.773461][ T5440] Call trace: [ 59.773985][ T5440] btrfs_replace_file_extents+0xcc4/0x1290 [ 59.774833][ T5440] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.775727][ T5440] btrfs_prealloc_file_range+0x60/0x7c [ 59.776571][ T5440] btrfs_fallocate+0x1330/0x1614 [ 59.777351][ T5440] vfs_fallocate+0x4a4/0x5f4 [ 59.778010][ T5440] ioctl_preallocate+0x22c/0x2c8 [ 59.778701][ T5440] do_vfs_ioctl+0x1a3c/0x2370 [ 59.779424][ T5440] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.780205][ T5440] invoke_syscall+0x98/0x2b8 [ 59.780843][ T5440] el0_svc_common+0x138/0x258 [ 59.781511][ T5440] do_el0_svc+0x58/0x14c [ 59.782169][ T5440] el0_svc+0x78/0x1e0 [ 59.782756][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 59.783506][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 59.784135][ T5440] irq event stamp: 78650 [ 59.784749][ T5440] hardirqs last enabled at (78649): [] __up_console_sem+0xb4/0x100 [ 59.786231][ T5440] hardirqs last disabled at (78650): [] el1_dbg+0x24/0x80 [ 59.787502][ T5440] softirqs last enabled at (78630): [] handle_softirqs+0xa4c/0xbf0 [ 59.788878][ T5440] softirqs last disabled at (78569): [] __irq_exit_rcu+0x240/0x440 [ 59.790301][ T5440] ---[ end trace e046304e0aebb6ad ]--- [ 59.791511][ T5440] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 59.793164][ T5440] BTRFS info (device loop0): forced readonly [ 59.951686][ T5461] loop0: detected capacity change from 0 to 32768 [ 59.954603][ T5461] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5461) [ 59.958674][ T5461] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 59.960199][ T5461] BTRFS info (device loop0): using free space tree [ 59.961192][ T5461] BTRFS info (device loop0): has skinny extents [ 59.972460][ T5461] BTRFS info (device loop0): enabling ssd optimizations [ 59.976237][ T5461] FAULT_INJECTION: forcing a failure. [ 59.976237][ T5461] name failslab, interval 1, probability 0, space 0, times 0 [ 59.978263][ T5461] CPU: 0 PID: 5461 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.979690][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 59.981182][ T5461] Call trace: [ 59.981720][ T5461] dump_backtrace+0x0/0x43c [ 59.982400][ T5461] show_stack+0x2c/0x3c [ 59.983009][ T5461] __dump_stack+0x30/0x40 [ 59.983672][ T5461] dump_stack_lvl+0xf8/0x160 [ 59.984365][ T5461] dump_stack+0x1c/0x5c [ 59.985056][ T5461] should_fail+0x3c0/0x51c [ 59.985639][ T5461] __should_failslab+0xbc/0x10c [ 59.986383][ T5461] should_failslab+0x10/0x28 [ 59.987085][ T5461] slab_pre_alloc_hook+0x64/0xec [ 59.987805][ T5461] kmem_cache_alloc+0x94/0x3e4 [ 59.988447][ T5461] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 59.989293][ T5461] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 59.990242][ T5461] btrfs_insert_replace_extent+0x7e4/0x970 [ 59.991166][ T5461] btrfs_replace_file_extents+0xa68/0x1290 [ 59.992033][ T5461] __btrfs_prealloc_file_range+0x390/0xb88 [ 59.992847][ T5461] btrfs_prealloc_file_range+0x60/0x7c [ 59.993618][ T5461] btrfs_fallocate+0x1330/0x1614 [ 59.994340][ T5461] vfs_fallocate+0x4a4/0x5f4 [ 59.995042][ T5461] ioctl_preallocate+0x22c/0x2c8 [ 59.995755][ T5461] do_vfs_ioctl+0x1a3c/0x2370 [ 59.996428][ T5461] __arm64_sys_ioctl+0xe4/0x1c8 [ 59.997144][ T5461] invoke_syscall+0x98/0x2b8 [ 59.997905][ T5461] el0_svc_common+0x138/0x258 [ 59.998612][ T5461] do_el0_svc+0x58/0x14c [ 59.999346][ T5461] el0_svc+0x78/0x1e0 [ 59.999901][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 60.000651][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 60.003167][ T5461] ------------[ cut here ]------------ [ 60.004845][ T5461] WARNING: CPU: 0 PID: 5461 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 60.006409][ T5461] Modules linked in: [ 60.006996][ T5461] CPU: 0 PID: 5461 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.008326][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.009704][ T5461] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.010907][ T5461] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 60.011874][ T5461] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 60.012816][ T5461] sp : ffff800020c871e0 [ 60.013423][ T5461] x29: ffff800020c87300 x28: 0000000000000fff x27: 0000000000000000 [ 60.014655][ T5461] x26: dfff800000000000 x25: ffff0000cecc8000 x24: ffff0000e2516220 [ 60.015880][ T5461] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dd6f7e18 [ 60.017119][ T5461] x20: ffff0000dd6f7dc0 x19: 1fffe0001badefc3 x18: 0000000000000001 [ 60.018381][ T5461] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 60.019637][ T5461] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.020807][ T5461] x11: 0000000000000000 x10: 0000000000000000 x9 : 443890bce3b05b00 [ 60.022021][ T5461] x8 : 443890bce3b05b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.023156][ T5461] x5 : ffff800020c86ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 60.024318][ T5461] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.025503][ T5461] Call trace: [ 60.026000][ T5461] btrfs_replace_file_extents+0xcc4/0x1290 [ 60.026906][ T5461] __btrfs_prealloc_file_range+0x390/0xb88 [ 60.027755][ T5461] btrfs_prealloc_file_range+0x60/0x7c [ 60.028575][ T5461] btrfs_fallocate+0x1330/0x1614 [ 60.029444][ T5461] vfs_fallocate+0x4a4/0x5f4 [ 60.030144][ T5461] ioctl_preallocate+0x22c/0x2c8 [ 60.030963][ T5461] do_vfs_ioctl+0x1a3c/0x2370 [ 60.031696][ T5461] __arm64_sys_ioctl+0xe4/0x1c8 [ 60.032437][ T5461] invoke_syscall+0x98/0x2b8 [ 60.033159][ T5461] el0_svc_common+0x138/0x258 [ 60.033881][ T5461] do_el0_svc+0x58/0x14c [ 60.034559][ T5461] el0_svc+0x78/0x1e0 [ 60.035116][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 60.035906][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 60.036553][ T5461] irq event stamp: 78710 [ 60.037188][ T5461] hardirqs last enabled at (78709): [] __up_console_sem+0xb4/0x100 [ 60.038751][ T5461] hardirqs last disabled at (78710): [] el1_dbg+0x24/0x80 [ 60.040127][ T5461] softirqs last enabled at (78682): [] handle_softirqs+0xa4c/0xbf0 [ 60.041582][ T5461] softirqs last disabled at (78661): [] __irq_exit_rcu+0x240/0x440 [ 60.043124][ T5461] ---[ end trace e046304e0aebb6ae ]--- [ 60.045396][ T5461] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 60.047120][ T5461] BTRFS info (device loop0): forced readonly [ 60.250027][ T5482] loop0: detected capacity change from 0 to 32768 [ 60.253586][ T5482] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5482) [ 60.258175][ T5482] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 60.259642][ T5482] BTRFS info (device loop0): using free space tree [ 60.260607][ T5482] BTRFS info (device loop0): has skinny extents [ 60.269750][ T5482] BTRFS info (device loop0): enabling ssd optimizations [ 60.274017][ T5482] FAULT_INJECTION: forcing a failure. [ 60.274017][ T5482] name failslab, interval 1, probability 0, space 0, times 0 [ 60.276278][ T5482] CPU: 1 PID: 5482 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.277741][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.279381][ T5482] Call trace: [ 60.279888][ T5482] dump_backtrace+0x0/0x43c [ 60.280597][ T5482] show_stack+0x2c/0x3c [ 60.281162][ T5482] __dump_stack+0x30/0x40 [ 60.281752][ T5482] dump_stack_lvl+0xf8/0x160 [ 60.282471][ T5482] dump_stack+0x1c/0x5c [ 60.283062][ T5482] should_fail+0x3c0/0x51c [ 60.283660][ T5482] __should_failslab+0xbc/0x10c [ 60.284350][ T5482] should_failslab+0x10/0x28 [ 60.284993][ T5482] slab_pre_alloc_hook+0x64/0xec [ 60.285680][ T5482] kmem_cache_alloc+0x94/0x3e4 [ 60.286373][ T5482] btrfs_add_delayed_data_ref+0x164/0xd0c [ 60.287202][ T5482] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 60.288057][ T5482] btrfs_insert_replace_extent+0x7e4/0x970 [ 60.288901][ T5482] btrfs_replace_file_extents+0xa68/0x1290 [ 60.289814][ T5482] __btrfs_prealloc_file_range+0x390/0xb88 [ 60.290672][ T5482] btrfs_prealloc_file_range+0x60/0x7c [ 60.291461][ T5482] btrfs_fallocate+0x1330/0x1614 [ 60.292221][ T5482] vfs_fallocate+0x4a4/0x5f4 [ 60.292908][ T5482] ioctl_preallocate+0x22c/0x2c8 [ 60.293658][ T5482] do_vfs_ioctl+0x1a3c/0x2370 [ 60.294325][ T5482] __arm64_sys_ioctl+0xe4/0x1c8 [ 60.295034][ T5482] invoke_syscall+0x98/0x2b8 [ 60.295728][ T5482] el0_svc_common+0x138/0x258 [ 60.296438][ T5482] do_el0_svc+0x58/0x14c [ 60.297064][ T5482] el0_svc+0x78/0x1e0 [ 60.297633][ T5482] el0t_64_sync_handler+0xcc/0xe4 [ 60.298403][ T5482] el0t_64_sync+0x1a0/0x1a4 [ 60.301504][ T5482] ------------[ cut here ]------------ [ 60.302406][ T5482] WARNING: CPU: 1 PID: 5482 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 60.303952][ T5482] Modules linked in: [ 60.304564][ T5482] CPU: 1 PID: 5482 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.305824][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 60.307306][ T5482] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.308451][ T5482] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 60.309307][ T5482] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 60.310268][ T5482] sp : ffff8000222971e0 [ 60.310884][ T5482] x29: ffff800022297300 x28: 0000000000000fff x27: 0000000000000000 [ 60.312137][ T5482] x26: dfff800000000000 x25: ffff0000c97d8000 x24: ffff0000e251bae0 [ 60.313317][ T5482] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000decec478 [ 60.314561][ T5482] x20: ffff0000decec420 x19: 1fffe0001bd9d88f x18: 0000000000000001 [ 60.315748][ T5482] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 60.316966][ T5482] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 60.318090][ T5482] x11: 0000000000000000 x10: 0000000000000000 x9 : c06b1b1355cfbb00 [ 60.319229][ T5482] x8 : c06b1b1355cfbb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.320390][ T5482] x5 : ffff800022296ad8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 60.321649][ T5482] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.322870][ T5482] Call trace: [ 60.323338][ T5482] btrfs_replace_file_extents+0xcc4/0x1290 [ 60.324153][ T5482] __btrfs_prealloc_file_range+0x390/0xb88 [ 60.324994][ T5482] btrfs_prealloc_file_range+0x60/0x7c [ 60.325798][ T5482] btrfs_fallocate+0x1330/0x1614 [ 60.326492][ T5482] vfs_fallocate+0x4a4/0x5f4 [ 60.327162][ T5482] ioctl_preallocate+0x22c/0x2c8 [ 60.327909][ T5482] do_vfs_ioctl+0x1a3c/0x2370 [ 60.328612][ T5482] __arm64_sys_ioctl+0xe4/0x1c8 [ 60.329367][ T5482] invoke_syscall+0x98/0x2b8 [ 60.330071][ T5482] el0_svc_common+0x138/0x258 [ 60.330807][ T5482] do_el0_svc+0x58/0x14c [ 60.331446][ T5482] el0_svc+0x78/0x1e0 [ 60.332015][ T5482] el0t_64_sync_handler+0xcc/0xe4 [ 60.332755][ T5482] el0t_64_sync+0x1a0/0x1a4 [ 60.333411][ T5482] irq event stamp: 79410 [ 60.334037][ T5482] hardirqs last enabled at (79409): [] __up_console_sem+0xb4/0x100 [ 60.335552][ T5482] hardirqs last disabled at (79410): [] el1_dbg+0x24/0x80 [ 60.336876][ T5482] softirqs last enabled at (79390): [] handle_softirqs+0xa4c/0xbf0 [ 60.338328][ T5482] softirqs last disabled at (79343): [] __irq_exit_rcu+0x240/0x440 [ 60.339658][ T5482] ---[ end trace e046304e0aebb6af ]--- [ 60.343391][ T5482] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 60.345023][ T5482] BTRFS info (device loop0): forced readonly [ 60.532764][ T5503] loop0: detected capacity change from 0 to 32768 [ 60.535297][ T5503] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5503) [ 60.538975][ T5503] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 60.540686][ T5503] BTRFS info (device loop0): using free space tree [ 60.541896][ T5503] BTRFS info (device loop0): has skinny extents [ 60.551194][ T5503] BTRFS info (device loop0): enabling ssd optimizations