Warning: Permanently added '10.128.1.207' (ED25519) to the list of known hosts. 1970/01/01 00:01:06 ignoring optional flag "type"="gce" 1970/01/01 00:01:06 parsed 1 programs [ 67.989956][ T4405] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.600190][ T1540] cfg80211: failed to load regulatory.db [ 69.602120][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.603146][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.073142][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.074391][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.075811][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.082829][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.084009][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.085446][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.372183][ T4514] chnl_net:caif_netlink_parms(): no params data found [ 70.388727][ T4514] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.389922][ T4514] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.391309][ T4514] device bridge_slave_0 entered promiscuous mode [ 70.393211][ T4514] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.394349][ T4514] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.395786][ T4514] device bridge_slave_1 entered promiscuous mode [ 70.403987][ T4514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.406545][ T4514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.414037][ T4514] team0: Port device team_slave_0 added [ 70.416071][ T4514] team0: Port device team_slave_1 added [ 70.422256][ T4514] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.423235][ T4514] 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. [ 70.427125][ T4514] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.431216][ T4514] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.432249][ T4514] 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. [ 70.436300][ T4514] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.489914][ T4514] device hsr_slave_0 entered promiscuous mode [ 70.529051][ T4514] device hsr_slave_1 entered promiscuous mode [ 71.218477][ T4514] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.259965][ T4514] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.290360][ T4514] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.339963][ T4514] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.391457][ T4514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.395013][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.396415][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.399140][ T4514] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.402291][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.403842][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.405139][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.406389][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.407626][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.410891][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.412272][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.413344][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.414551][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.424260][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.425757][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.427263][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.428865][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.430216][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.431748][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.433132][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.434627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.436679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.438252][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.441286][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.443794][ T4514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.479882][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.481160][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.484998][ T4514] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.493939][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.495446][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.507525][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.509971][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.511633][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.512902][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.514583][ T4514] device veth0_vlan entered promiscuous mode [ 71.518474][ T4514] device veth1_vlan entered promiscuous mode [ 71.526415][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.527847][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.530584][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.532094][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.534795][ T4514] device veth0_macvtap entered promiscuous mode [ 71.536999][ T4514] device veth1_macvtap entered promiscuous mode [ 71.543846][ T4514] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.545057][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.546401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.547639][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.549785][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.552677][ T4514] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.554513][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.555951][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.557945][ T4514] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.561019][ T4514] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.562481][ T4514] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.563849][ T4514] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:11 executed programs: 0 [ 71.794528][ T4665] chnl_net:caif_netlink_parms(): no params data found [ 71.814752][ T4665] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.815883][ T4665] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.817314][ T4665] device bridge_slave_0 entered promiscuous mode [ 71.820176][ T4665] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.821254][ T4665] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.822555][ T4665] device bridge_slave_1 entered promiscuous mode [ 71.830698][ T4665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.833103][ T4665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.840936][ T4665] team0: Port device team_slave_0 added [ 71.842557][ T4665] team0: Port device team_slave_1 added [ 71.848577][ T4665] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.850000][ T4665] 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. [ 71.853685][ T4665] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.856003][ T4665] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.857109][ T4665] 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. [ 71.865149][ T4665] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.900093][ T4665] device hsr_slave_0 entered promiscuous mode [ 71.929202][ T4665] device hsr_slave_1 entered promiscuous mode [ 71.968960][ T4665] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.970186][ T4665] Cannot create hsr debugfs directory [ 72.014447][ T4665] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.759287][ T1540] Bluetooth: hci1: command 0x0409 tx timeout [ 75.194814][ T4665] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.838837][ T4064] Bluetooth: hci1: command 0x041b tx timeout [ 77.461891][ T4665] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.502215][ T4665] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.631773][ T4665] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.660453][ T4665] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.709889][ T4665] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.749711][ T4665] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.826163][ T4665] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.829893][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.831258][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.834523][ T4665] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.836888][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.838404][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.841838][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.842888][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.844336][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.851831][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.853298][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.854707][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.855813][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.858198][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.863000][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.865699][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.867482][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.869771][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.872325][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.873848][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.876353][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.877912][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.881528][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.883003][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.885342][ T4665] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.919173][ T4901] Bluetooth: hci1: command 0x040f tx timeout [ 77.924683][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.925869][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.928719][ T4665] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.934818][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.936471][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.942820][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.944288][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.945754][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.947073][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.949486][ T4665] device veth0_vlan entered promiscuous mode [ 77.952733][ T4665] device veth1_vlan entered promiscuous mode [ 77.960664][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.962064][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.963465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.964907][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.967347][ T4665] device veth0_macvtap entered promiscuous mode [ 77.970171][ T4665] device veth1_macvtap entered promiscuous mode [ 77.974577][ T4665] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.976066][ T4665] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.978098][ T4665] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.985954][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.987413][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.989367][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.990933][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.992605][ T4665] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.994201][ T4665] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.996279][ T4665] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.997389][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.998951][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.002088][ T4665] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.003437][ T4665] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.004764][ T4665] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.006189][ T4665] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.024083][ T1640] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.025322][ T1640] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.027097][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.033183][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.034424][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.035897][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:18 executed programs: 2 [ 78.148736][ T4913] loop0: detected capacity change from 0 to 32768 [ 78.156920][ T4913] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4913) [ 78.167450][ T4913] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.169634][ T4913] BTRFS info (device loop0): using free space tree [ 78.170827][ T4913] BTRFS info (device loop0): has skinny extents [ 78.184640][ T4913] BTRFS info (device loop0): enabling ssd optimizations [ 78.193813][ T4913] FAULT_INJECTION: forcing a failure. [ 78.193813][ T4913] name failslab, interval 1, probability 0, space 0, times 1 [ 78.195943][ T4913] CPU: 1 PID: 4913 Comm: syz.0.15 Not tainted syzkaller #0 [ 78.196996][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.198537][ T4913] Call trace: [ 78.198985][ T4913] dump_backtrace+0x0/0x43c [ 78.199711][ T4913] show_stack+0x2c/0x3c [ 78.200342][ T4913] __dump_stack+0x30/0x40 [ 78.201008][ T4913] dump_stack_lvl+0xf8/0x160 [ 78.201708][ T4913] dump_stack+0x1c/0x5c [ 78.202322][ T4913] should_fail+0x3c0/0x51c [ 78.203017][ T4913] __should_failslab+0xbc/0x10c [ 78.203679][ T4913] should_failslab+0x10/0x28 [ 78.204328][ T4913] slab_pre_alloc_hook+0x64/0xec [ 78.205072][ T4913] kmem_cache_alloc+0x94/0x3e4 [ 78.205793][ T4913] btrfs_add_delayed_data_ref+0x164/0xd0c [ 78.206585][ T4913] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 78.207562][ T4913] btrfs_insert_replace_extent+0x7e4/0x970 [ 78.208411][ T4913] btrfs_replace_file_extents+0xa68/0x1290 [ 78.209247][ T4913] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.210098][ T4913] btrfs_prealloc_file_range+0x60/0x7c [ 78.210911][ T4913] btrfs_fallocate+0x1330/0x1614 [ 78.211620][ T4913] vfs_fallocate+0x4a4/0x5f4 [ 78.212298][ T4913] __arm64_sys_fallocate+0xc0/0x110 [ 78.213014][ T4913] invoke_syscall+0x98/0x2b8 [ 78.213625][ T4913] el0_svc_common+0x138/0x258 [ 78.214346][ T4913] do_el0_svc+0x58/0x14c [ 78.214990][ T4913] el0_svc+0x78/0x1e0 [ 78.215631][ T4913] el0t_64_sync_handler+0xcc/0xe4 [ 78.216366][ T4913] el0t_64_sync+0x1a0/0x1a4 [ 78.217638][ T4913] ------------[ cut here ]------------ [ 78.218574][ T4913] WARNING: CPU: 1 PID: 4913 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 78.220128][ T4913] Modules linked in: [ 78.220781][ T4913] CPU: 1 PID: 4913 Comm: syz.0.15 Not tainted syzkaller #0 [ 78.221897][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.223426][ T4913] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.224503][ T4913] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 78.225431][ T4913] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 78.226332][ T4913] sp : ffff80001f987640 [ 78.226969][ T4913] x29: ffff80001f987760 x28: 000000000000cfff x27: 0000000000000000 [ 78.228117][ T4913] x26: dfff800000000000 x25: ffff0000d85bc000 x24: ffff0000ec8089d0 [ 78.229324][ T4913] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8c058 [ 78.230510][ T4913] x20: ffff0000dec8c000 x19: 1fffe0001bd9180b x18: 0000000000000001 [ 78.231630][ T4913] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 78.232827][ T4913] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.233999][ T4913] x11: 0000000000000000 x10: 0000000000000000 x9 : e2ff5f9edd086400 [ 78.235168][ T4913] x8 : e2ff5f9edd086400 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.236328][ T4913] x5 : ffff80001f986f38 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 78.237496][ T4913] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.238643][ T4913] Call trace: [ 78.239087][ T4913] btrfs_replace_file_extents+0xcc4/0x1290 [ 78.239930][ T4913] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.240817][ T4913] btrfs_prealloc_file_range+0x60/0x7c [ 78.241628][ T4913] btrfs_fallocate+0x1330/0x1614 [ 78.242340][ T4913] vfs_fallocate+0x4a4/0x5f4 [ 78.243047][ T4913] __arm64_sys_fallocate+0xc0/0x110 [ 78.243767][ T4913] invoke_syscall+0x98/0x2b8 [ 78.244431][ T4913] el0_svc_common+0x138/0x258 [ 78.245146][ T4913] do_el0_svc+0x58/0x14c [ 78.245792][ T4913] el0_svc+0x78/0x1e0 [ 78.246386][ T4913] el0t_64_sync_handler+0xcc/0xe4 [ 78.247090][ T4913] el0t_64_sync+0x1a0/0x1a4 [ 78.247723][ T4913] irq event stamp: 80648 [ 78.248308][ T4913] hardirqs last enabled at (80647): [] __up_console_sem+0xb4/0x100 [ 78.249677][ T4913] hardirqs last disabled at (80648): [] el1_dbg+0x24/0x80 [ 78.250986][ T4913] softirqs last enabled at (80628): [] handle_softirqs+0xa4c/0xbf0 [ 78.252376][ T4913] softirqs last disabled at (80555): [] __irq_exit_rcu+0x240/0x440 [ 78.253777][ T4913] ---[ end trace 0596062c0f388a41 ]--- [ 78.255379][ T4913] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 78.256968][ T4913] BTRFS info (device loop0): forced readonly [ 78.417982][ T4946] loop0: detected capacity change from 0 to 32768 [ 78.425125][ T4946] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4946) [ 78.431075][ T4946] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.432401][ T4946] BTRFS info (device loop0): using free space tree [ 78.433349][ T4946] BTRFS info (device loop0): has skinny extents [ 78.440731][ T4946] BTRFS info (device loop0): enabling ssd optimizations [ 78.444250][ T4946] FAULT_INJECTION: forcing a failure. [ 78.444250][ T4946] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 78.446152][ T4946] CPU: 1 PID: 4946 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 78.447325][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.448796][ T4946] Call trace: [ 78.449236][ T4946] dump_backtrace+0x0/0x43c [ 78.449895][ T4946] show_stack+0x2c/0x3c [ 78.450491][ T4946] __dump_stack+0x30/0x40 [ 78.451117][ T4946] dump_stack_lvl+0xf8/0x160 [ 78.451796][ T4946] dump_stack+0x1c/0x5c [ 78.452403][ T4946] should_fail+0x3c0/0x51c [ 78.453099][ T4946] should_fail_alloc_page+0x74/0xa8 [ 78.453847][ T4946] prepare_alloc_pages+0x160/0x460 [ 78.454559][ T4946] __alloc_pages+0x108/0x470 [ 78.455245][ T4946] alloc_pages+0x34c/0x5c0 [ 78.455838][ T4946] new_slab+0xe0/0x55c [ 78.456474][ T4946] ___slab_alloc+0x6c0/0xda8 [ 78.457139][ T4946] __slab_alloc+0x68/0xc0 [ 78.457814][ T4946] kmem_cache_alloc+0x2ac/0x3e4 [ 78.458497][ T4946] btrfs_add_delayed_data_ref+0x164/0xd0c [ 78.459304][ T4946] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 78.460187][ T4946] btrfs_insert_replace_extent+0x7e4/0x970 [ 78.461006][ T4946] btrfs_replace_file_extents+0xa68/0x1290 [ 78.461789][ T4946] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.462621][ T4946] btrfs_prealloc_file_range+0x60/0x7c [ 78.463436][ T4946] btrfs_fallocate+0x1330/0x1614 [ 78.464195][ T4946] vfs_fallocate+0x4a4/0x5f4 [ 78.464857][ T4946] __arm64_sys_fallocate+0xc0/0x110 [ 78.465622][ T4946] invoke_syscall+0x98/0x2b8 [ 78.466275][ T4946] el0_svc_common+0x138/0x258 [ 78.466942][ T4946] do_el0_svc+0x58/0x14c [ 78.467558][ T4946] el0_svc+0x78/0x1e0 [ 78.468191][ T4946] el0t_64_sync_handler+0xcc/0xe4 [ 78.468892][ T4946] el0t_64_sync+0x1a0/0x1a4 [ 78.635124][ T4968] loop0: detected capacity change from 0 to 32768 [ 78.670798][ T4968] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4968) [ 78.677244][ T4968] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.678645][ T4968] BTRFS info (device loop0): using free space tree [ 78.680246][ T4968] BTRFS info (device loop0): has skinny extents [ 78.688400][ T4968] BTRFS info (device loop0): enabling ssd optimizations [ 78.692570][ T4968] FAULT_INJECTION: forcing a failure. [ 78.692570][ T4968] name failslab, interval 1, probability 0, space 0, times 0 [ 78.694563][ T4968] CPU: 1 PID: 4968 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 78.695889][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.697500][ T4968] Call trace: [ 78.698014][ T4968] dump_backtrace+0x0/0x43c [ 78.698697][ T4968] show_stack+0x2c/0x3c [ 78.699347][ T4968] __dump_stack+0x30/0x40 [ 78.699977][ T4968] dump_stack_lvl+0xf8/0x160 [ 78.700698][ T4968] dump_stack+0x1c/0x5c [ 78.701332][ T4968] should_fail+0x3c0/0x51c [ 78.701970][ T4968] __should_failslab+0xbc/0x10c [ 78.702713][ T4968] should_failslab+0x10/0x28 [ 78.703412][ T4968] slab_pre_alloc_hook+0x64/0xec [ 78.704202][ T4968] kmem_cache_alloc+0x94/0x3e4 [ 78.704979][ T4968] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 78.705925][ T4968] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 78.706828][ T4968] btrfs_insert_replace_extent+0x7e4/0x970 [ 78.707721][ T4968] btrfs_replace_file_extents+0xa68/0x1290 [ 78.708599][ T4968] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.709429][ T4968] btrfs_prealloc_file_range+0x60/0x7c [ 78.710301][ T4968] btrfs_fallocate+0x1330/0x1614 [ 78.711038][ T4968] vfs_fallocate+0x4a4/0x5f4 [ 78.711707][ T4968] __arm64_sys_fallocate+0xc0/0x110 [ 78.712452][ T4968] invoke_syscall+0x98/0x2b8 [ 78.713136][ T4968] el0_svc_common+0x138/0x258 [ 78.713805][ T4968] do_el0_svc+0x58/0x14c [ 78.714463][ T4968] el0_svc+0x78/0x1e0 [ 78.715054][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 78.715826][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 78.717923][ T4968] ------------[ cut here ]------------ [ 78.718880][ T4968] WARNING: CPU: 1 PID: 4968 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 78.720416][ T4968] Modules linked in: [ 78.721054][ T4968] CPU: 1 PID: 4968 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 78.722372][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.724016][ T4968] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.725278][ T4968] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 78.726212][ T4968] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 78.727145][ T4968] sp : ffff80001fde7640 [ 78.727796][ T4968] x29: ffff80001fde7760 x28: 000000000000cfff x27: 0000000000000000 [ 78.728971][ T4968] x26: dfff800000000000 x25: ffff0000c0f4c000 x24: ffff0000ec95bae0 [ 78.730187][ T4968] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8c3c8 [ 78.731401][ T4968] x20: ffff0000dec8c370 x19: 1fffe0001bd91879 x18: 0000000000000001 [ 78.732613][ T4968] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.733848][ T4968] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.735038][ T4968] x11: 0000000000000000 x10: 0000000000000000 x9 : 090baa38a5481100 [ 78.736131][ T4968] x8 : 090baa38a5481100 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.737442][ T4968] x5 : ffff80001fde6f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.738673][ T4968] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.740001][ T4968] Call trace: [ 78.740506][ T4968] btrfs_replace_file_extents+0xcc4/0x1290 [ 78.741377][ T4968] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.742361][ T4968] btrfs_prealloc_file_range+0x60/0x7c [ 78.743282][ T4968] btrfs_fallocate+0x1330/0x1614 [ 78.744130][ T4968] vfs_fallocate+0x4a4/0x5f4 [ 78.744872][ T4968] __arm64_sys_fallocate+0xc0/0x110 [ 78.745640][ T4968] invoke_syscall+0x98/0x2b8 [ 78.746317][ T4968] el0_svc_common+0x138/0x258 [ 78.747036][ T4968] do_el0_svc+0x58/0x14c [ 78.747669][ T4968] el0_svc+0x78/0x1e0 [ 78.748259][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 78.749006][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 78.749656][ T4968] irq event stamp: 79230 [ 78.750269][ T4968] hardirqs last enabled at (79229): [] __up_console_sem+0xb4/0x100 [ 78.751750][ T4968] hardirqs last disabled at (79230): [] el1_dbg+0x24/0x80 [ 78.752960][ T4968] softirqs last enabled at (79206): [] handle_softirqs+0xa4c/0xbf0 [ 78.754332][ T4968] softirqs last disabled at (79189): [] __irq_exit_rcu+0x240/0x440 [ 78.755621][ T4968] ---[ end trace 0596062c0f388a42 ]--- [ 78.759342][ T4968] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 78.760712][ T4968] BTRFS info (device loop0): forced readonly [ 78.842146][ T9] device hsr_slave_0 left promiscuous mode [ 78.880338][ T9] device hsr_slave_1 left promiscuous mode [ 78.911365][ T4990] loop0: detected capacity change from 0 to 32768 [ 78.963110][ T4990] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4990) [ 78.967784][ T4990] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.969769][ T4990] BTRFS info (device loop0): using free space tree [ 78.970738][ T4990] BTRFS info (device loop0): has skinny extents [ 78.977750][ T4990] BTRFS info (device loop0): enabling ssd optimizations [ 78.979181][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.980303][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.982140][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.983133][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.984944][ T9] device bridge_slave_1 left promiscuous mode [ 78.987213][ T4990] FAULT_INJECTION: forcing a failure. [ 78.987213][ T4990] name failslab, interval 1, probability 0, space 0, times 0 [ 78.989744][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.991088][ T4990] CPU: 1 PID: 4990 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 78.992338][ T4990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.993792][ T4990] Call trace: [ 78.994251][ T4990] dump_backtrace+0x0/0x43c [ 78.994901][ T4990] show_stack+0x2c/0x3c [ 78.995511][ T4990] __dump_stack+0x30/0x40 [ 78.996130][ T4990] dump_stack_lvl+0xf8/0x160 [ 78.996793][ T4990] dump_stack+0x1c/0x5c [ 78.997404][ T4990] should_fail+0x3c0/0x51c [ 78.998022][ T4990] __should_failslab+0xbc/0x10c [ 78.998723][ T4990] should_failslab+0x10/0x28 [ 78.999481][ T4990] slab_pre_alloc_hook+0x64/0xec [ 79.000247][ T4990] kmem_cache_alloc+0x94/0x3e4 [ 79.000955][ T4990] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 79.001835][ T4990] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.002770][ T4990] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.003659][ T4990] btrfs_replace_file_extents+0xa68/0x1290 [ 79.004475][ T4990] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.005359][ T4990] btrfs_prealloc_file_range+0x60/0x7c [ 79.006123][ T4990] btrfs_fallocate+0x1330/0x1614 [ 79.006833][ T4990] vfs_fallocate+0x4a4/0x5f4 [ 79.007486][ T4990] __arm64_sys_fallocate+0xc0/0x110 [ 79.008225][ T4990] invoke_syscall+0x98/0x2b8 [ 79.008923][ T4990] el0_svc_common+0x138/0x258 [ 79.009630][ T4990] do_el0_svc+0x58/0x14c [ 79.010250][ T4990] el0_svc+0x78/0x1e0 [ 79.010828][ T4990] el0t_64_sync_handler+0xcc/0xe4 [ 79.011524][ T4990] el0t_64_sync+0x1a0/0x1a4 [ 79.014055][ T4990] ------------[ cut here ]------------ [ 79.014957][ T4990] WARNING: CPU: 1 PID: 4990 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.016351][ T4990] Modules linked in: [ 79.016944][ T4990] CPU: 1 PID: 4990 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 79.018134][ T4990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.019557][ T4990] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.020694][ T4990] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.021581][ T4990] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.022472][ T4990] sp : ffff80001fae7640 [ 79.023100][ T4990] x29: ffff80001fae7760 x28: 000000000000cfff x27: 0000000000000000 [ 79.024281][ T4990] x26: dfff800000000000 x25: ffff0000da4c0000 x24: ffff0000ec95d850 [ 79.025476][ T4990] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8c528 [ 79.026609][ T4990] x20: ffff0000dec8c4d0 x19: 1fffe0001bd918a5 x18: 0000000000000001 [ 79.027776][ T4990] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.028930][ T4990] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.030055][ T4990] x11: 0000000000000000 x10: 0000000000000000 x9 : cb84862136093400 [ 79.031193][ T4990] x8 : cb84862136093400 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.032333][ T4990] x5 : ffff80001fae6f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.033463][ T4990] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.034574][ T4990] Call trace: [ 79.035032][ T4990] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.035856][ T4990] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.036666][ T4990] btrfs_prealloc_file_range+0x60/0x7c [ 79.037467][ T4990] btrfs_fallocate+0x1330/0x1614 [ 79.038192][ T4990] vfs_fallocate+0x4a4/0x5f4 [ 79.038848][ T4990] __arm64_sys_fallocate+0xc0/0x110 [ 79.039525][ T4990] invoke_syscall+0x98/0x2b8 [ 79.040167][ T4990] el0_svc_common+0x138/0x258 [ 79.040848][ T4990] do_el0_svc+0x58/0x14c [ 79.041433][ T4990] el0_svc+0x78/0x1e0 [ 79.042005][ T4990] el0t_64_sync_handler+0xcc/0xe4 [ 79.042688][ T4990] el0t_64_sync+0x1a0/0x1a4 [ 79.043266][ T4990] irq event stamp: 79098 [ 79.043849][ T4990] hardirqs last enabled at (79097): [] __up_console_sem+0xb4/0x100 [ 79.045115][ T4990] hardirqs last disabled at (79098): [] el1_dbg+0x24/0x80 [ 79.046338][ T4990] softirqs last enabled at (79076): [] handle_softirqs+0xa4c/0xbf0 [ 79.047690][ T4990] softirqs last disabled at (79023): [] __irq_exit_rcu+0x240/0x440 [ 79.049013][ T4990] ---[ end trace 0596062c0f388a43 ]--- [ 79.051763][ T9] device bridge_slave_0 left promiscuous mode [ 79.052700][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.055206][ T4990] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.056723][ T4990] BTRFS info (device loop0): forced readonly [ 79.169500][ T9] device veth1_macvtap left promiscuous mode [ 79.170530][ T9] device veth0_macvtap left promiscuous mode [ 79.171520][ T9] device veth1_vlan left promiscuous mode [ 79.172445][ T9] device veth0_vlan left promiscuous mode [ 79.253106][ T5012] loop0: detected capacity change from 0 to 32768 [ 79.256946][ T5012] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5012) [ 79.262203][ T5012] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.263516][ T5012] BTRFS info (device loop0): using free space tree [ 79.264458][ T5012] BTRFS info (device loop0): has skinny extents [ 79.274180][ T9] team0 (unregistering): Port device team_slave_1 removed [ 79.278302][ T9] team0 (unregistering): Port device team_slave_0 removed [ 79.283646][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.290877][ T5012] BTRFS info (device loop0): enabling ssd optimizations [ 79.294210][ T5012] FAULT_INJECTION: forcing a failure. [ 79.294210][ T5012] name failslab, interval 1, probability 0, space 0, times 0 [ 79.296031][ T5012] CPU: 1 PID: 5012 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 79.297293][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.298690][ T5012] Call trace: [ 79.299157][ T5012] dump_backtrace+0x0/0x43c [ 79.299829][ T5012] show_stack+0x2c/0x3c [ 79.300396][ T5012] __dump_stack+0x30/0x40 [ 79.301002][ T5012] dump_stack_lvl+0xf8/0x160 [ 79.301674][ T5012] dump_stack+0x1c/0x5c [ 79.302304][ T5012] should_fail+0x3c0/0x51c [ 79.302923][ T5012] __should_failslab+0xbc/0x10c [ 79.303669][ T5012] should_failslab+0x10/0x28 [ 79.304343][ T5012] slab_pre_alloc_hook+0x64/0xec [ 79.305070][ T5012] kmem_cache_alloc+0x94/0x3e4 [ 79.305817][ T5012] btrfs_add_delayed_data_ref+0x164/0xd0c [ 79.306609][ T5012] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.307497][ T5012] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.308362][ T5012] btrfs_replace_file_extents+0xa68/0x1290 [ 79.309123][ T5012] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.309955][ T5012] btrfs_prealloc_file_range+0x60/0x7c [ 79.310732][ T5012] btrfs_fallocate+0x1330/0x1614 [ 79.311405][ T5012] vfs_fallocate+0x4a4/0x5f4 [ 79.312054][ T5012] __arm64_sys_fallocate+0xc0/0x110 [ 79.312764][ T5012] invoke_syscall+0x98/0x2b8 [ 79.313388][ T5012] el0_svc_common+0x138/0x258 [ 79.314052][ T5012] do_el0_svc+0x58/0x14c [ 79.314659][ T5012] el0_svc+0x78/0x1e0 [ 79.315220][ T5012] el0t_64_sync_handler+0xcc/0xe4 [ 79.315916][ T5012] el0t_64_sync+0x1a0/0x1a4 [ 79.318754][ T5012] ------------[ cut here ]------------ [ 79.320903][ T5012] WARNING: CPU: 0 PID: 5012 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.322454][ T5012] Modules linked in: [ 79.323037][ T5012] CPU: 0 PID: 5012 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 79.324378][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.325927][ T5012] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.327148][ T5012] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.328030][ T5012] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.328995][ T5012] sp : ffff800020357640 [ 79.329649][ T5012] x29: ffff800020357760 x28: 000000000000cfff x27: 0000000000000000 [ 79.330884][ T5012] x26: dfff800000000000 x25: ffff0000c1b88000 x24: ffff0000ec95f5c0 [ 79.332035][ T5012] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8c688 [ 79.333322][ T5012] x20: ffff0000dec8c630 x19: 1fffe0001bd918d1 x18: 0000000000000001 [ 79.334615][ T5012] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.335873][ T5012] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.337123][ T5012] x11: 0000000000000000 x10: 0000000000000000 x9 : 0e08f37900710400 [ 79.338334][ T5012] x8 : 0e08f37900710400 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.339535][ T5012] x5 : ffff800020356f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.340746][ T5012] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.341942][ T5012] Call trace: [ 79.342412][ T5012] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.343255][ T5012] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.344133][ T5012] btrfs_prealloc_file_range+0x60/0x7c [ 79.344896][ T5012] btrfs_fallocate+0x1330/0x1614 [ 79.345549][ T5012] vfs_fallocate+0x4a4/0x5f4 [ 79.346214][ T5012] __arm64_sys_fallocate+0xc0/0x110 [ 79.346905][ T5012] invoke_syscall+0x98/0x2b8 [ 79.347584][ T5012] el0_svc_common+0x138/0x258 [ 79.348210][ T5012] do_el0_svc+0x58/0x14c [ 79.348802][ T5012] el0_svc+0x78/0x1e0 [ 79.349382][ T5012] el0t_64_sync_handler+0xcc/0xe4 [ 79.350143][ T5012] el0t_64_sync+0x1a0/0x1a4 [ 79.350794][ T5012] irq event stamp: 79494 [ 79.351409][ T5012] hardirqs last enabled at (79493): [] __up_console_sem+0xb4/0x100 [ 79.352799][ T5012] hardirqs last disabled at (79494): [] el1_dbg+0x24/0x80 [ 79.353984][ T5012] softirqs last enabled at (79480): [] handle_softirqs+0xa4c/0xbf0 [ 79.355291][ T5012] softirqs last disabled at (79371): [] __irq_exit_rcu+0x240/0x440 [ 79.356680][ T5012] ---[ end trace 0596062c0f388a44 ]--- [ 79.358179][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.359045][ T5012] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.361060][ T5012] BTRFS info (device loop0): forced readonly [ 79.461934][ T9] bond0 (unregistering): Released all slaves [ 79.505674][ T5035] loop0: detected capacity change from 0 to 32768 [ 79.513494][ T5035] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5035) [ 79.517656][ T5035] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.519183][ T5035] BTRFS info (device loop0): using free space tree [ 79.520331][ T5035] BTRFS info (device loop0): has skinny extents [ 79.526900][ T5035] BTRFS info (device loop0): enabling ssd optimizations [ 79.531193][ T5035] FAULT_INJECTION: forcing a failure. [ 79.531193][ T5035] name failslab, interval 1, probability 0, space 0, times 0 [ 79.533118][ T5035] CPU: 1 PID: 5035 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 79.534424][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.535949][ T5035] Call trace: [ 79.536455][ T5035] dump_backtrace+0x0/0x43c [ 79.537146][ T5035] show_stack+0x2c/0x3c [ 79.537722][ T5035] __dump_stack+0x30/0x40 [ 79.538387][ T5035] dump_stack_lvl+0xf8/0x160 [ 79.539078][ T5035] dump_stack+0x1c/0x5c [ 79.539680][ T5035] should_fail+0x3c0/0x51c [ 79.540386][ T5035] __should_failslab+0xbc/0x10c [ 79.541154][ T5035] should_failslab+0x10/0x28 [ 79.541853][ T5035] slab_pre_alloc_hook+0x64/0xec [ 79.542618][ T5035] kmem_cache_alloc+0x94/0x3e4 [ 79.543358][ T5035] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 79.544244][ T5035] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.545114][ T5035] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.546006][ T5035] btrfs_replace_file_extents+0xa68/0x1290 [ 79.546818][ T5035] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.547634][ T5035] btrfs_prealloc_file_range+0x60/0x7c [ 79.548444][ T5035] btrfs_fallocate+0x1330/0x1614 [ 79.549193][ T5035] vfs_fallocate+0x4a4/0x5f4 [ 79.549801][ T5035] __arm64_sys_fallocate+0xc0/0x110 [ 79.550566][ T5035] invoke_syscall+0x98/0x2b8 [ 79.551228][ T5035] el0_svc_common+0x138/0x258 [ 79.551841][ T5035] do_el0_svc+0x58/0x14c [ 79.552466][ T5035] el0_svc+0x78/0x1e0 [ 79.553007][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 79.553746][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 79.554462][ T5035] ------------[ cut here ]------------ [ 79.555586][ T5035] WARNING: CPU: 1 PID: 5035 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.557014][ T5035] Modules linked in: [ 79.557538][ T5035] CPU: 1 PID: 5035 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 79.558849][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.560240][ T5035] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.561400][ T5035] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.562272][ T5035] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.563134][ T5035] sp : ffff800020357640 [ 79.563731][ T5035] x29: ffff800020357760 x28: 000000000000cfff x27: 0000000000000000 [ 79.564901][ T5035] x26: dfff800000000000 x25: ffff0000ea4d4000 x24: ffff0000e2d393a0 [ 79.566016][ T5035] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8c7e8 [ 79.567273][ T5035] x20: ffff0000dec8c790 x19: 1fffe0001bd918fd x18: 0000000000000001 [ 79.568420][ T5035] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 79.569644][ T5035] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.570905][ T5035] x11: 0000000000000000 x10: 0000000000000000 x9 : 86216bbe3485cc00 [ 79.572087][ T5035] x8 : 86216bbe3485cc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.573359][ T5035] x5 : ffff800020356f38 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 79.574521][ T5035] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.575710][ T5035] Call trace: [ 79.576230][ T5035] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.577119][ T5035] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.577960][ T5035] btrfs_prealloc_file_range+0x60/0x7c [ 79.578748][ T5035] btrfs_fallocate+0x1330/0x1614 [ 79.579490][ T5035] vfs_fallocate+0x4a4/0x5f4 [ 79.580160][ T5035] __arm64_sys_fallocate+0xc0/0x110 [ 79.580861][ T5035] invoke_syscall+0x98/0x2b8 [ 79.581489][ T5035] el0_svc_common+0x138/0x258 [ 79.582142][ T5035] do_el0_svc+0x58/0x14c [ 79.582816][ T5035] el0_svc+0x78/0x1e0 [ 79.583383][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 79.584125][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 79.584772][ T5035] irq event stamp: 78872 [ 79.585394][ T5035] hardirqs last enabled at (78871): [] __up_console_sem+0xb4/0x100 [ 79.586756][ T5035] hardirqs last disabled at (78872): [] el1_dbg+0x24/0x80 [ 79.588054][ T5035] softirqs last enabled at (78850): [] handle_softirqs+0xa4c/0xbf0 [ 79.589416][ T5035] softirqs last disabled at (78839): [] __irq_exit_rcu+0x240/0x440 [ 79.590755][ T5035] ---[ end trace 0596062c0f388a45 ]--- [ 79.598955][ T5035] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.600433][ T5035] BTRFS info (device loop0): forced readonly [ 79.746844][ T5057] loop0: detected capacity change from 0 to 32768 [ 79.783438][ T5057] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5057) [ 79.786695][ T5057] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.788121][ T5057] BTRFS info (device loop0): using free space tree [ 79.790072][ T5057] BTRFS info (device loop0): has skinny extents [ 79.797370][ T5057] BTRFS info (device loop0): enabling ssd optimizations [ 79.801689][ T5057] FAULT_INJECTION: forcing a failure. [ 79.801689][ T5057] name failslab, interval 1, probability 0, space 0, times 0 [ 79.803605][ T5057] CPU: 1 PID: 5057 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 79.804912][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.806376][ T5057] Call trace: [ 79.806901][ T5057] dump_backtrace+0x0/0x43c [ 79.807577][ T5057] show_stack+0x2c/0x3c [ 79.808215][ T5057] __dump_stack+0x30/0x40 [ 79.808847][ T5057] dump_stack_lvl+0xf8/0x160 [ 79.809554][ T5057] dump_stack+0x1c/0x5c [ 79.810130][ T5057] should_fail+0x3c0/0x51c [ 79.810819][ T5057] __should_failslab+0xbc/0x10c [ 79.811575][ T5057] should_failslab+0x10/0x28 [ 79.812244][ T5057] slab_pre_alloc_hook+0x64/0xec [ 79.812978][ T5057] kmem_cache_alloc+0x94/0x3e4 [ 79.813677][ T5057] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 79.814506][ T5057] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.815436][ T5057] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.816279][ T5057] btrfs_replace_file_extents+0xa68/0x1290 [ 79.817107][ T5057] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.817957][ T5057] btrfs_prealloc_file_range+0x60/0x7c [ 79.818737][ T5057] btrfs_fallocate+0x1330/0x1614 [ 79.819429][ T5057] vfs_fallocate+0x4a4/0x5f4 [ 79.820048][ T5057] __arm64_sys_fallocate+0xc0/0x110 [ 79.820870][ T5057] invoke_syscall+0x98/0x2b8 [ 79.821550][ T5057] el0_svc_common+0x138/0x258 [ 79.822219][ T5057] do_el0_svc+0x58/0x14c [ 79.822859][ T5057] el0_svc+0x78/0x1e0 [ 79.823416][ T5057] el0t_64_sync_handler+0xcc/0xe4 [ 79.824131][ T5057] el0t_64_sync+0x1a0/0x1a4 [ 79.824890][ T5057] ------------[ cut here ]------------ [ 79.825804][ T5057] WARNING: CPU: 1 PID: 5057 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.827299][ T5057] Modules linked in: [ 79.827877][ T5057] CPU: 1 PID: 5057 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 79.829189][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.830675][ T5057] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.831778][ T5057] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.832621][ T5057] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.833448][ T5057] sp : ffff800020547640 [ 79.833980][ T5057] x29: ffff800020547760 x28: 000000000000cfff x27: 0000000000000000 [ 79.835135][ T5057] x26: dfff800000000000 x25: ffff0000d5fb4000 x24: ffff0000ec80a740 [ 79.836264][ T5057] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8c898 [ 79.837377][ T5057] x20: ffff0000dec8c840 x19: 1fffe0001bd91913 x18: 0000000000000001 [ 79.838547][ T5057] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 79.839725][ T5057] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.840814][ T5057] x11: 0000000000000000 x10: 0000000000000000 x9 : d15721fe36eacf00 [ 79.841935][ T5057] x8 : d15721fe36eacf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.843269][ T5057] x5 : ffff800020546f38 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 79.844533][ T5057] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.845713][ T5057] Call trace: [ 79.846208][ T5057] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.847041][ T5057] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.847885][ T5057] btrfs_prealloc_file_range+0x60/0x7c [ 79.848652][ T5057] btrfs_fallocate+0x1330/0x1614 [ 79.849295][ T5057] vfs_fallocate+0x4a4/0x5f4 [ 79.850008][ T5057] __arm64_sys_fallocate+0xc0/0x110 [ 79.850774][ T5057] invoke_syscall+0x98/0x2b8 [ 79.851558][ T5057] el0_svc_common+0x138/0x258 [ 79.852272][ T5057] do_el0_svc+0x58/0x14c [ 79.852985][ T5057] el0_svc+0x78/0x1e0 [ 79.853596][ T5057] el0t_64_sync_handler+0xcc/0xe4 [ 79.854355][ T5057] el0t_64_sync+0x1a0/0x1a4 [ 79.855023][ T5057] irq event stamp: 78864 [ 79.855670][ T5057] hardirqs last enabled at (78863): [] __up_console_sem+0xb4/0x100 [ 79.857113][ T5057] hardirqs last disabled at (78864): [] el1_dbg+0x24/0x80 [ 79.858391][ T5057] softirqs last enabled at (78842): [] handle_softirqs+0xa4c/0xbf0 [ 79.859710][ T5057] softirqs last disabled at (78831): [] __irq_exit_rcu+0x240/0x440 [ 79.861084][ T5057] ---[ end trace 0596062c0f388a46 ]--- [ 79.862702][ T5057] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.864105][ T5057] BTRFS info (device loop0): forced readonly [ 79.998995][ T4064] Bluetooth: hci1: command 0x0419 tx timeout [ 80.012197][ T5079] loop0: detected capacity change from 0 to 32768 [ 80.020342][ T5079] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5079) [ 80.023765][ T5079] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.025137][ T5079] BTRFS info (device loop0): using free space tree [ 80.026171][ T5079] BTRFS info (device loop0): has skinny extents [ 80.039126][ T5079] BTRFS info (device loop0): enabling ssd optimizations [ 80.042417][ T5079] FAULT_INJECTION: forcing a failure. [ 80.042417][ T5079] name failslab, interval 1, probability 0, space 0, times 0 [ 80.044357][ T5079] CPU: 0 PID: 5079 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 80.045582][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.047092][ T5079] Call trace: [ 80.047533][ T5079] dump_backtrace+0x0/0x43c [ 80.048196][ T5079] show_stack+0x2c/0x3c [ 80.048789][ T5079] __dump_stack+0x30/0x40 [ 80.049438][ T5079] dump_stack_lvl+0xf8/0x160 [ 80.050087][ T5079] dump_stack+0x1c/0x5c [ 80.050690][ T5079] should_fail+0x3c0/0x51c [ 80.051351][ T5079] __should_failslab+0xbc/0x10c [ 80.052040][ T5079] should_failslab+0x10/0x28 [ 80.052745][ T5079] slab_pre_alloc_hook+0x64/0xec [ 80.053459][ T5079] kmem_cache_alloc+0x94/0x3e4 [ 80.054134][ T5079] btrfs_add_delayed_data_ref+0x164/0xd0c [ 80.054952][ T5079] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.055844][ T5079] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.056705][ T5079] btrfs_replace_file_extents+0xa68/0x1290 [ 80.057557][ T5079] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.058358][ T5079] btrfs_prealloc_file_range+0x60/0x7c [ 80.059121][ T5079] btrfs_fallocate+0x1330/0x1614 [ 80.059777][ T5079] vfs_fallocate+0x4a4/0x5f4 [ 80.060440][ T5079] __arm64_sys_fallocate+0xc0/0x110 [ 80.061217][ T5079] invoke_syscall+0x98/0x2b8 [ 80.061902][ T5079] el0_svc_common+0x138/0x258 [ 80.062593][ T5079] do_el0_svc+0x58/0x14c [ 80.063219][ T5079] el0_svc+0x78/0x1e0 [ 80.063822][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.064566][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.067394][ T5079] ------------[ cut here ]------------ [ 80.068294][ T5079] WARNING: CPU: 0 PID: 5079 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 80.069794][ T5079] Modules linked in: [ 80.070356][ T5079] CPU: 0 PID: 5079 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 80.071624][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.073071][ T5079] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.074241][ T5079] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.075142][ T5079] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.076060][ T5079] sp : ffff800020697640 [ 80.076676][ T5079] x29: ffff800020697760 x28: 000000000000cfff x27: 0000000000000000 [ 80.077862][ T5079] x26: dfff800000000000 x25: ffff0000d0872000 x24: ffff0000ec80c4b0 [ 80.079124][ T5079] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a318 [ 80.080289][ T5079] x20: ffff0000e2c3a2c0 x19: 1fffe0001c587463 x18: 0000000000000001 [ 80.081416][ T5079] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.082485][ T5079] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.083644][ T5079] x11: 0000000000000000 x10: 0000000000000000 x9 : 6907451dc6a5d000 [ 80.084836][ T5079] x8 : 6907451dc6a5d000 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.086033][ T5079] x5 : ffff800020696f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.087145][ T5079] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.088285][ T5079] Call trace: [ 80.088791][ T5079] btrfs_replace_file_extents+0xcc4/0x1290 [ 80.089652][ T5079] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.090454][ T5079] btrfs_prealloc_file_range+0x60/0x7c [ 80.091248][ T5079] btrfs_fallocate+0x1330/0x1614 [ 80.091973][ T5079] vfs_fallocate+0x4a4/0x5f4 [ 80.092596][ T5079] __arm64_sys_fallocate+0xc0/0x110 [ 80.093286][ T5079] invoke_syscall+0x98/0x2b8 [ 80.094016][ T5079] el0_svc_common+0x138/0x258 [ 80.094720][ T5079] do_el0_svc+0x58/0x14c [ 80.095372][ T5079] el0_svc+0x78/0x1e0 [ 80.095971][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.096719][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.097453][ T5079] irq event stamp: 78914 [ 80.098116][ T5079] hardirqs last enabled at (78913): [] __up_console_sem+0xb4/0x100 [ 80.099534][ T5079] hardirqs last disabled at (78914): [] el1_dbg+0x24/0x80 [ 80.100789][ T5079] softirqs last enabled at (78894): [] handle_softirqs+0xa4c/0xbf0 [ 80.102223][ T5079] softirqs last disabled at (78799): [] __irq_exit_rcu+0x240/0x440 [ 80.103591][ T5079] ---[ end trace 0596062c0f388a47 ]--- [ 80.106866][ T5079] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 80.108426][ T5079] BTRFS info (device loop0): forced readonly [ 80.262152][ T5101] loop0: detected capacity change from 0 to 32768 [ 80.304525][ T5101] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5101) [ 80.307488][ T5101] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.309694][ T5101] BTRFS info (device loop0): using free space tree [ 80.310700][ T5101] BTRFS info (device loop0): has skinny extents [ 80.317820][ T5101] BTRFS info (device loop0): enabling ssd optimizations [ 80.322571][ T5101] FAULT_INJECTION: forcing a failure. [ 80.322571][ T5101] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.324579][ T5101] CPU: 0 PID: 5101 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 80.325903][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.327347][ T5101] Call trace: [ 80.327765][ T5101] dump_backtrace+0x0/0x43c [ 80.328404][ T5101] show_stack+0x2c/0x3c [ 80.329028][ T5101] __dump_stack+0x30/0x40 [ 80.329628][ T5101] dump_stack_lvl+0xf8/0x160 [ 80.330367][ T5101] dump_stack+0x1c/0x5c [ 80.330977][ T5101] should_fail+0x3c0/0x51c [ 80.331596][ T5101] should_fail_alloc_page+0x74/0xa8 [ 80.332354][ T5101] prepare_alloc_pages+0x160/0x460 [ 80.333094][ T5101] __alloc_pages+0x108/0x470 [ 80.333732][ T5101] alloc_pages+0x34c/0x5c0 [ 80.334379][ T5101] new_slab+0xe0/0x55c [ 80.334981][ T5101] ___slab_alloc+0x6c0/0xda8 [ 80.335652][ T5101] __slab_alloc+0x68/0xc0 [ 80.336287][ T5101] kmem_cache_alloc+0x2ac/0x3e4 [ 80.336926][ T5101] btrfs_add_delayed_data_ref+0x164/0xd0c [ 80.337757][ T5101] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.338699][ T5101] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.339528][ T5101] btrfs_replace_file_extents+0xa68/0x1290 [ 80.340425][ T5101] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.341219][ T5101] btrfs_prealloc_file_range+0x60/0x7c [ 80.342045][ T5101] btrfs_fallocate+0x1330/0x1614 [ 80.342861][ T5101] vfs_fallocate+0x4a4/0x5f4 [ 80.343491][ T5101] __arm64_sys_fallocate+0xc0/0x110 [ 80.344284][ T5101] invoke_syscall+0x98/0x2b8 [ 80.344977][ T5101] el0_svc_common+0x138/0x258 [ 80.345715][ T5101] do_el0_svc+0x58/0x14c [ 80.346327][ T5101] el0_svc+0x78/0x1e0 [ 80.346951][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 80.347736][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 80.394715][ T4469] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4469) [ 80.496734][ T5122] loop0: detected capacity change from 0 to 32768 [ 80.533636][ T5122] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.535096][ T5122] BTRFS info (device loop0): using free space tree [ 80.536057][ T5122] BTRFS info (device loop0): has skinny extents [ 80.545868][ T5122] BTRFS info (device loop0): enabling ssd optimizations [ 80.557560][ T5122] FAULT_INJECTION: forcing a failure. [ 80.557560][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 80.559905][ T5122] CPU: 1 PID: 5122 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 80.561190][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.562726][ T5122] Call trace: [ 80.563168][ T5122] dump_backtrace+0x0/0x43c [ 80.563810][ T5122] show_stack+0x2c/0x3c [ 80.564395][ T5122] __dump_stack+0x30/0x40 [ 80.565025][ T5122] dump_stack_lvl+0xf8/0x160 [ 80.565666][ T5122] dump_stack+0x1c/0x5c [ 80.566310][ T5122] should_fail+0x3c0/0x51c [ 80.566914][ T5122] __should_failslab+0xbc/0x10c [ 80.567654][ T5122] should_failslab+0x10/0x28 [ 80.568344][ T5122] slab_pre_alloc_hook+0x64/0xec [ 80.569041][ T5122] kmem_cache_alloc+0x94/0x3e4 [ 80.569733][ T5122] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 80.570571][ T5122] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.571430][ T5122] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.572277][ T5122] btrfs_replace_file_extents+0xa68/0x1290 [ 80.573097][ T5122] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.573886][ T5122] btrfs_prealloc_file_range+0x60/0x7c [ 80.574648][ T5122] btrfs_fallocate+0x1330/0x1614 [ 80.575327][ T5122] vfs_fallocate+0x4a4/0x5f4 [ 80.576025][ T5122] __arm64_sys_fallocate+0xc0/0x110 [ 80.576791][ T5122] invoke_syscall+0x98/0x2b8 [ 80.577416][ T5122] el0_svc_common+0x138/0x258 [ 80.578056][ T5122] do_el0_svc+0x58/0x14c [ 80.578628][ T5122] el0_svc+0x78/0x1e0 [ 80.579218][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 80.579908][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 80.582289][ T5122] ------------[ cut here ]------------ [ 80.583143][ T5122] WARNING: CPU: 1 PID: 5122 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 80.584564][ T5122] Modules linked in: [ 80.585116][ T5122] CPU: 1 PID: 5122 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 80.586441][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.587852][ T5122] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.589057][ T5122] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.590012][ T5122] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.590940][ T5122] sp : ffff80001f877640 [ 80.591512][ T5122] x29: ffff80001f877760 x28: 000000000000cfff x27: 0000000000000000 [ 80.592695][ T5122] x26: dfff800000000000 x25: ffff0000d68a6000 x24: ffff0000e2d3ce80 [ 80.593786][ T5122] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8cc08 [ 80.594916][ T5122] x20: ffff0000dec8cbb0 x19: 1fffe0001bd91981 x18: 0000000000000001 [ 80.595972][ T5122] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 80.597205][ T5122] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.598400][ T5122] x11: 0000000000000000 x10: 0000000000000000 x9 : 0d0f485abb11fc00 [ 80.599572][ T5122] x8 : 0d0f485abb11fc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.600718][ T5122] x5 : ffff80001f876f38 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 80.601817][ T5122] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.602917][ T5122] Call trace: [ 80.603343][ T5122] btrfs_replace_file_extents+0xcc4/0x1290 [ 80.604119][ T5122] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.604917][ T5122] btrfs_prealloc_file_range+0x60/0x7c [ 80.605631][ T5122] btrfs_fallocate+0x1330/0x1614 [ 80.606330][ T5122] vfs_fallocate+0x4a4/0x5f4 [ 80.606945][ T5122] __arm64_sys_fallocate+0xc0/0x110 [ 80.607659][ T5122] invoke_syscall+0x98/0x2b8 [ 80.608274][ T5122] el0_svc_common+0x138/0x258 [ 80.608929][ T5122] do_el0_svc+0x58/0x14c [ 80.609501][ T5122] el0_svc+0x78/0x1e0 [ 80.610100][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 80.610806][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 80.611404][ T5122] irq event stamp: 79120 [ 80.612024][ T5122] hardirqs last enabled at (79119): [] __up_console_sem+0xb4/0x100 [ 80.613417][ T5122] hardirqs last disabled at (79120): [] el1_dbg+0x24/0x80 [ 80.614587][ T5122] softirqs last enabled at (79098): [] handle_softirqs+0xa4c/0xbf0 [ 80.615954][ T5122] softirqs last disabled at (79081): [] __irq_exit_rcu+0x240/0x440 [ 80.617231][ T5122] ---[ end trace 0596062c0f388a48 ]--- [ 80.620467][ T5122] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 80.622061][ T5122] BTRFS info (device loop0): forced readonly [ 80.765954][ T5145] loop0: detected capacity change from 0 to 32768 [ 80.769907][ T5145] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5145) [ 80.772988][ T5145] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.774341][ T5145] BTRFS info (device loop0): using free space tree [ 80.775293][ T5145] BTRFS info (device loop0): has skinny extents [ 80.782064][ T5145] BTRFS info (device loop0): enabling ssd optimizations [ 80.785816][ T5145] FAULT_INJECTION: forcing a failure. [ 80.785816][ T5145] name failslab, interval 1, probability 0, space 0, times 0 [ 80.787754][ T5145] CPU: 1 PID: 5145 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 80.789052][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.790644][ T5145] Call trace: [ 80.791117][ T5145] dump_backtrace+0x0/0x43c [ 80.791767][ T5145] show_stack+0x2c/0x3c [ 80.792375][ T5145] __dump_stack+0x30/0x40 [ 80.792991][ T5145] dump_stack_lvl+0xf8/0x160 [ 80.793672][ T5145] dump_stack+0x1c/0x5c [ 80.794268][ T5145] should_fail+0x3c0/0x51c [ 80.794926][ T5145] __should_failslab+0xbc/0x10c [ 80.795651][ T5145] should_failslab+0x10/0x28 [ 80.796295][ T5145] slab_pre_alloc_hook+0x64/0xec [ 80.796993][ T5145] kmem_cache_alloc+0x94/0x3e4 [ 80.797688][ T5145] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 80.798483][ T5145] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.799438][ T5145] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.800258][ T5145] btrfs_replace_file_extents+0xa68/0x1290 [ 80.801086][ T5145] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.801938][ T5145] btrfs_prealloc_file_range+0x60/0x7c [ 80.802712][ T5145] btrfs_fallocate+0x1330/0x1614 [ 80.803439][ T5145] vfs_fallocate+0x4a4/0x5f4 [ 80.804123][ T5145] __arm64_sys_fallocate+0xc0/0x110 [ 80.804876][ T5145] invoke_syscall+0x98/0x2b8 [ 80.805551][ T5145] el0_svc_common+0x138/0x258 [ 80.806256][ T5145] do_el0_svc+0x58/0x14c [ 80.806876][ T5145] el0_svc+0x78/0x1e0 [ 80.807406][ T5145] el0t_64_sync_handler+0xcc/0xe4 [ 80.808085][ T5145] el0t_64_sync+0x1a0/0x1a4 [ 80.809568][ T5145] ------------[ cut here ]------------ [ 80.810391][ T5145] WARNING: CPU: 1 PID: 5145 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 80.811809][ T5145] Modules linked in: [ 80.812381][ T5145] CPU: 1 PID: 5145 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 80.813654][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.815106][ T5145] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.816136][ T5145] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.816988][ T5145] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.817886][ T5145] sp : ffff8000206b7640 [ 80.818461][ T5145] x29: ffff8000206b7760 x28: 000000000000cfff x27: 0000000000000000 [ 80.819739][ T5145] x26: dfff800000000000 x25: ffff0000d84a8000 x24: ffff0000e2d3ebf0 [ 80.820929][ T5145] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dec8cd68 [ 80.822059][ T5145] x20: ffff0000dec8cd10 x19: 1fffe0001bd919ad x18: 0000000000000001 [ 80.823321][ T5145] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.824475][ T5145] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.825669][ T5145] x11: 0000000000000000 x10: 0000000000000000 x9 : 10b0e2997b274800 [ 80.826843][ T5145] x8 : 10b0e2997b274800 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.828058][ T5145] x5 : ffff8000206b6f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.829211][ T5145] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.830408][ T5145] Call trace: [ 80.830907][ T5145] btrfs_replace_file_extents+0xcc4/0x1290 [ 80.831726][ T5145] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.832587][ T5145] btrfs_prealloc_file_range+0x60/0x7c [ 80.833351][ T5145] btrfs_fallocate+0x1330/0x1614 [ 80.834066][ T5145] vfs_fallocate+0x4a4/0x5f4 [ 80.834731][ T5145] __arm64_sys_fallocate+0xc0/0x110 [ 80.835509][ T5145] invoke_syscall+0x98/0x2b8 [ 80.836160][ T5145] el0_svc_common+0x138/0x258 [ 80.836814][ T5145] do_el0_svc+0x58/0x14c [ 80.837401][ T5145] el0_svc+0x78/0x1e0 [ 80.837964][ T5145] el0t_64_sync_handler+0xcc/0xe4 [ 80.838649][ T5145] el0t_64_sync+0x1a0/0x1a4 [ 80.839353][ T5145] irq event stamp: 79012 [ 80.839973][ T5145] hardirqs last enabled at (79011): [] __up_console_sem+0xb4/0x100 [ 80.841409][ T5145] hardirqs last disabled at (79012): [] el1_dbg+0x24/0x80 [ 80.842752][ T5145] softirqs last enabled at (78990): [] handle_softirqs+0xa4c/0xbf0 [ 80.844100][ T5145] softirqs last disabled at (78917): [] __irq_exit_rcu+0x240/0x440 [ 80.845526][ T5145] ---[ end trace 0596062c0f388a49 ]--- [ 80.847205][ T5145] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 80.848651][ T5145] BTRFS info (device loop0): forced readonly [ 81.063166][ T5167] loop0: detected capacity change from 0 to 32768 [ 81.074079][ T5167] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5167) [ 81.081658][ T5167] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.083061][ T5167] BTRFS info (device loop0): using free space tree [ 81.084005][ T5167] BTRFS info (device loop0): has skinny extents [ 81.142071][ T5167] BTRFS info (device loop0): enabling ssd optimizations [ 81.149750][ T5167] FAULT_INJECTION: forcing a failure. [ 81.149750][ T5167] name failslab, interval 1, probability 0, space 0, times 0 [ 81.151598][ T5167] CPU: 1 PID: 5167 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 81.152867][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.154327][ T5167] Call trace: [ 81.154813][ T5167] dump_backtrace+0x0/0x43c [ 81.155451][ T5167] show_stack+0x2c/0x3c [ 81.156055][ T5167] __dump_stack+0x30/0x40 [ 81.156648][ T5167] dump_stack_lvl+0xf8/0x160 [ 81.157264][ T5167] dump_stack+0x1c/0x5c [ 81.157810][ T5167] should_fail+0x3c0/0x51c [ 81.158408][ T5167] __should_failslab+0xbc/0x10c [ 81.159116][ T5167] should_failslab+0x10/0x28 [ 81.159755][ T5167] slab_pre_alloc_hook+0x64/0xec [ 81.160482][ T5167] kmem_cache_alloc+0x94/0x3e4 [ 81.161187][ T5167] alloc_extent_map+0x28/0x128 [ 81.161900][ T5167] btrfs_drop_extent_cache+0x160/0xdec [ 81.162745][ T5167] btrfs_drop_extents+0x2c8/0x21a4 [ 81.163487][ T5167] btrfs_replace_file_extents+0x328/0x1290 [ 81.164298][ T5167] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.165134][ T5167] btrfs_prealloc_file_range+0x60/0x7c [ 81.165901][ T5167] btrfs_fallocate+0x1330/0x1614 [ 81.166611][ T5167] vfs_fallocate+0x4a4/0x5f4 [ 81.167338][ T5167] __arm64_sys_fallocate+0xc0/0x110 [ 81.168114][ T5167] invoke_syscall+0x98/0x2b8 [ 81.168817][ T5167] el0_svc_common+0x138/0x258 [ 81.169542][ T5167] do_el0_svc+0x58/0x14c [ 81.170212][ T5167] el0_svc+0x78/0x1e0 [ 81.170817][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 81.171581][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 81.392828][ T5189] loop0: detected capacity change from 0 to 32768 [ 81.450627][ T5189] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5189) [ 81.454189][ T5189] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.455467][ T5189] BTRFS info (device loop0): using free space tree [ 81.456396][ T5189] BTRFS info (device loop0): has skinny extents [ 81.463252][ T5189] BTRFS info (device loop0): enabling ssd optimizations [ 81.467179][ T5189] FAULT_INJECTION: forcing a failure. [ 81.467179][ T5189] name failslab, interval 1, probability 0, space 0, times 0 [ 81.469409][ T5189] CPU: 1 PID: 5189 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 81.470717][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.472185][ T5189] Call trace: [ 81.472752][ T5189] dump_backtrace+0x0/0x43c [ 81.473485][ T5189] show_stack+0x2c/0x3c [ 81.474111][ T5189] __dump_stack+0x30/0x40 [ 81.474769][ T5189] dump_stack_lvl+0xf8/0x160 [ 81.475425][ T5189] dump_stack+0x1c/0x5c [ 81.476025][ T5189] should_fail+0x3c0/0x51c [ 81.476707][ T5189] __should_failslab+0xbc/0x10c [ 81.477421][ T5189] should_failslab+0x10/0x28 [ 81.478030][ T5189] slab_pre_alloc_hook+0x64/0xec [ 81.478698][ T5189] kmem_cache_alloc+0x94/0x3e4 [ 81.479363][ T5189] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 81.480220][ T5189] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 81.481146][ T5189] btrfs_insert_replace_extent+0x7e4/0x970 [ 81.482026][ T5189] btrfs_replace_file_extents+0xa68/0x1290 [ 81.482834][ T5189] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.483662][ T5189] btrfs_prealloc_file_range+0x60/0x7c [ 81.484406][ T5189] btrfs_fallocate+0x1330/0x1614 [ 81.485114][ T5189] vfs_fallocate+0x4a4/0x5f4 [ 81.485779][ T5189] __arm64_sys_fallocate+0xc0/0x110 [ 81.486483][ T5189] invoke_syscall+0x98/0x2b8 [ 81.487189][ T5189] el0_svc_common+0x138/0x258 [ 81.487855][ T5189] do_el0_svc+0x58/0x14c [ 81.488422][ T5189] el0_svc+0x78/0x1e0 [ 81.488940][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 81.489613][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 81.490395][ T5189] ------------[ cut here ]------------ [ 81.491529][ T5189] WARNING: CPU: 1 PID: 5189 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 81.493094][ T5189] Modules linked in: [ 81.493673][ T5189] CPU: 1 PID: 5189 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 81.495020][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.496563][ T5189] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.497716][ T5189] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.498589][ T5189] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.499483][ T5189] sp : ffff80001fae7640 [ 81.500081][ T5189] x29: ffff80001fae7760 x28: 000000000000cfff x27: 0000000000000000 [ 81.501224][ T5189] x26: dfff800000000000 x25: ffff0000d0ae2000 x24: ffff0000e2da93a0 [ 81.502386][ T5189] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff108 [ 81.503546][ T5189] x20: ffff0000c52ff0b0 x19: 1fffe00018a5fe21 x18: 0000000000000001 [ 81.504750][ T5189] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 81.505922][ T5189] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.507145][ T5189] x11: 0000000000000000 x10: 0000000000000000 x9 : 62da533ca9d87500 [ 81.508304][ T5189] x8 : 62da533ca9d87500 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.509519][ T5189] x5 : ffff80001fae6f38 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 81.510606][ T5189] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.511764][ T5189] Call trace: [ 81.512233][ T5189] btrfs_replace_file_extents+0xcc4/0x1290 [ 81.513013][ T5189] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.513831][ T5189] btrfs_prealloc_file_range+0x60/0x7c [ 81.514592][ T5189] btrfs_fallocate+0x1330/0x1614 [ 81.515264][ T5189] vfs_fallocate+0x4a4/0x5f4 [ 81.515893][ T5189] __arm64_sys_fallocate+0xc0/0x110 [ 81.516694][ T5189] invoke_syscall+0x98/0x2b8 [ 81.517327][ T5189] el0_svc_common+0x138/0x258 [ 81.517970][ T5189] do_el0_svc+0x58/0x14c [ 81.518530][ T5189] el0_svc+0x78/0x1e0 [ 81.519121][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 81.519908][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 81.520559][ T5189] irq event stamp: 79430 [ 81.521203][ T5189] hardirqs last enabled at (79429): [] __up_console_sem+0xb4/0x100 [ 81.522597][ T5189] hardirqs last disabled at (79430): [] el1_dbg+0x24/0x80 [ 81.523835][ T5189] softirqs last enabled at (79404): [] handle_softirqs+0xa4c/0xbf0 [ 81.525209][ T5189] softirqs last disabled at (79389): [] __irq_exit_rcu+0x240/0x440 [ 81.526547][ T5189] ---[ end trace 0596062c0f388a4a ]--- [ 81.527789][ T5189] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 81.529444][ T5189] BTRFS info (device loop0): forced readonly [ 81.730885][ T5210] loop0: detected capacity change from 0 to 32768 [ 81.770043][ T5210] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5210) [ 81.772929][ T5210] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.774647][ T5210] BTRFS info (device loop0): using free space tree [ 81.775769][ T5210] BTRFS info (device loop0): has skinny extents [ 81.784324][ T5210] BTRFS info (device loop0): enabling ssd optimizations [ 81.788521][ T5210] FAULT_INJECTION: forcing a failure. [ 81.788521][ T5210] name failslab, interval 1, probability 0, space 0, times 0 [ 81.796283][ T5210] CPU: 1 PID: 5210 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.797650][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.799246][ T5210] Call trace: [ 81.799758][ T5210] dump_backtrace+0x0/0x43c [ 81.800444][ T5210] show_stack+0x2c/0x3c [ 81.801042][ T5210] __dump_stack+0x30/0x40 [ 81.801707][ T5210] dump_stack_lvl+0xf8/0x160 [ 81.802371][ T5210] dump_stack+0x1c/0x5c [ 81.803003][ T5210] should_fail+0x3c0/0x51c [ 81.803641][ T5210] __should_failslab+0xbc/0x10c [ 81.804330][ T5210] should_failslab+0x10/0x28 [ 81.804984][ T5210] slab_pre_alloc_hook+0x64/0xec [ 81.805737][ T5210] kmem_cache_alloc+0x94/0x3e4 [ 81.806411][ T5210] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 81.807240][ T5210] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 81.808177][ T5210] btrfs_insert_replace_extent+0x7e4/0x970 [ 81.809005][ T5210] btrfs_replace_file_extents+0xa68/0x1290 [ 81.809870][ T5210] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.810726][ T5210] btrfs_prealloc_file_range+0x60/0x7c [ 81.811482][ T5210] btrfs_fallocate+0x1330/0x1614 [ 81.812212][ T5210] vfs_fallocate+0x4a4/0x5f4 [ 81.812888][ T5210] __arm64_sys_fallocate+0xc0/0x110 [ 81.813622][ T5210] invoke_syscall+0x98/0x2b8 [ 81.814262][ T5210] el0_svc_common+0x138/0x258 [ 81.814970][ T5210] do_el0_svc+0x58/0x14c [ 81.815530][ T5210] el0_svc+0x78/0x1e0 [ 81.816106][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 81.816787][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 81.818359][ T5210] ------------[ cut here ]------------ [ 81.819309][ T5210] WARNING: CPU: 1 PID: 5210 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 81.820744][ T5210] Modules linked in: [ 81.821372][ T5210] CPU: 1 PID: 5210 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.822627][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.824006][ T5210] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.825111][ T5210] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.825991][ T5210] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.826887][ T5210] sp : ffff800021117640 [ 81.827459][ T5210] x29: ffff800021117760 x28: 000000000000cfff x27: 0000000000000000 [ 81.828669][ T5210] x26: dfff800000000000 x25: ffff0000da2bc000 x24: ffff0000e2da9d70 [ 81.830023][ T5210] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a058 [ 81.831380][ T5210] x20: ffff0000e2c3a000 x19: 1fffe0001c58740b x18: 0000000000000001 [ 81.832692][ T5210] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.833928][ T5210] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.835111][ T5210] x11: 0000000000000000 x10: 0000000000000000 x9 : 3f696eab5fbd2900 [ 81.836330][ T5210] x8 : 3f696eab5fbd2900 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.837526][ T5210] x5 : ffff800021116f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.838741][ T5210] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.839830][ T5210] Call trace: [ 81.840292][ T5210] btrfs_replace_file_extents+0xcc4/0x1290 [ 81.841148][ T5210] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.842041][ T5210] btrfs_prealloc_file_range+0x60/0x7c [ 81.842819][ T5210] btrfs_fallocate+0x1330/0x1614 [ 81.843492][ T5210] vfs_fallocate+0x4a4/0x5f4 [ 81.844203][ T5210] __arm64_sys_fallocate+0xc0/0x110 [ 81.845014][ T5210] invoke_syscall+0x98/0x2b8 [ 81.845762][ T5210] el0_svc_common+0x138/0x258 [ 81.846566][ T5210] do_el0_svc+0x58/0x14c [ 81.847236][ T5210] el0_svc+0x78/0x1e0 [ 81.847842][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 81.848622][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 81.849309][ T5210] irq event stamp: 78628 [ 81.849974][ T5210] hardirqs last enabled at (78627): [] __up_console_sem+0xb4/0x100 [ 81.851402][ T5210] hardirqs last disabled at (78628): [] el1_dbg+0x24/0x80 [ 81.852666][ T5210] softirqs last enabled at (78618): [] handle_softirqs+0xa4c/0xbf0 [ 81.854103][ T5210] softirqs last disabled at (78613): [] __irq_exit_rcu+0x240/0x440 [ 81.855451][ T5210] ---[ end trace 0596062c0f388a4b ]--- [ 81.869856][ T5210] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 81.871399][ T5210] BTRFS info (device loop0): forced readonly [ 82.007107][ T5232] loop0: detected capacity change from 0 to 32768 [ 82.053185][ T5232] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5232) [ 82.056886][ T5232] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.058393][ T5232] BTRFS info (device loop0): using free space tree [ 82.059482][ T5232] BTRFS info (device loop0): has skinny extents [ 82.066306][ T5232] BTRFS info (device loop0): enabling ssd optimizations [ 82.070363][ T5232] FAULT_INJECTION: forcing a failure. [ 82.070363][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 82.072212][ T5232] CPU: 1 PID: 5232 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 82.073508][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.074927][ T5232] Call trace: [ 82.075395][ T5232] dump_backtrace+0x0/0x43c [ 82.076001][ T5232] show_stack+0x2c/0x3c [ 82.076553][ T5232] __dump_stack+0x30/0x40 [ 82.077232][ T5232] dump_stack_lvl+0xf8/0x160 [ 82.077889][ T5232] dump_stack+0x1c/0x5c [ 82.078423][ T5232] should_fail+0x3c0/0x51c [ 82.079046][ T5232] __should_failslab+0xbc/0x10c [ 82.079771][ T5232] should_failslab+0x10/0x28 [ 82.080437][ T5232] slab_pre_alloc_hook+0x64/0xec [ 82.081151][ T5232] kmem_cache_alloc+0x94/0x3e4 [ 82.081830][ T5232] btrfs_add_delayed_data_ref+0x164/0xd0c [ 82.082654][ T5232] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.083513][ T5232] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.084320][ T5232] btrfs_replace_file_extents+0xa68/0x1290 [ 82.085149][ T5232] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.085984][ T5232] btrfs_prealloc_file_range+0x60/0x7c [ 82.086955][ T5232] btrfs_fallocate+0x1330/0x1614 [ 82.087699][ T5232] vfs_fallocate+0x4a4/0x5f4 [ 82.088460][ T5232] __arm64_sys_fallocate+0xc0/0x110 [ 82.089279][ T5232] invoke_syscall+0x98/0x2b8 [ 82.089957][ T5232] el0_svc_common+0x138/0x258 [ 82.090693][ T5232] do_el0_svc+0x58/0x14c [ 82.091393][ T5232] el0_svc+0x78/0x1e0 [ 82.092009][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 82.092732][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 82.094401][ T5232] ------------[ cut here ]------------ [ 82.095351][ T5232] WARNING: CPU: 1 PID: 5232 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.096767][ T5232] Modules linked in: [ 82.097334][ T5232] CPU: 1 PID: 5232 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 82.098586][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.100214][ T5232] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.101483][ T5232] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.102406][ T5232] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.103341][ T5232] sp : ffff800021227640 [ 82.103981][ T5232] x29: ffff800021227760 x28: 000000000000cfff x27: 0000000000000000 [ 82.105175][ T5232] x26: dfff800000000000 x25: ffff0000c180a000 x24: ffff0000e2dabae0 [ 82.106381][ T5232] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff318 [ 82.107762][ T5232] x20: ffff0000c52ff2c0 x19: 1fffe00018a5fe63 x18: 0000000000000001 [ 82.109090][ T5232] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.110291][ T5232] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.111579][ T5232] x11: 0000000000000000 x10: 0000000000000000 x9 : 22b3ffd8ed2df900 [ 82.112838][ T5232] x8 : 22b3ffd8ed2df900 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.114051][ T5232] x5 : ffff800021226f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.115224][ T5232] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.116404][ T5232] Call trace: [ 82.116912][ T5232] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.117818][ T5232] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.118680][ T5232] btrfs_prealloc_file_range+0x60/0x7c [ 82.119457][ T5232] btrfs_fallocate+0x1330/0x1614 [ 82.120167][ T5232] vfs_fallocate+0x4a4/0x5f4 [ 82.120866][ T5232] __arm64_sys_fallocate+0xc0/0x110 [ 82.121648][ T5232] invoke_syscall+0x98/0x2b8 [ 82.122319][ T5232] el0_svc_common+0x138/0x258 [ 82.122979][ T5232] do_el0_svc+0x58/0x14c [ 82.123652][ T5232] el0_svc+0x78/0x1e0 [ 82.124282][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 82.125098][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 82.125762][ T5232] irq event stamp: 78612 [ 82.126454][ T5232] hardirqs last enabled at (78611): [] __up_console_sem+0xb4/0x100 [ 82.127885][ T5232] hardirqs last disabled at (78612): [] el1_dbg+0x24/0x80 [ 82.129134][ T5232] softirqs last enabled at (78592): [] handle_softirqs+0xa4c/0xbf0 [ 82.130555][ T5232] softirqs last disabled at (78545): [] __irq_exit_rcu+0x240/0x440 [ 82.131987][ T5232] ---[ end trace 0596062c0f388a4c ]--- [ 82.133621][ T5232] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.135439][ T5232] BTRFS info (device loop0): forced readonly [ 82.265265][ T5254] loop0: detected capacity change from 0 to 32768 [ 82.349574][ T5254] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5254) [ 82.352549][ T5254] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.353912][ T5254] BTRFS info (device loop0): using free space tree [ 82.355110][ T5254] BTRFS info (device loop0): has skinny extents [ 82.363168][ T5254] BTRFS info (device loop0): enabling ssd optimizations [ 82.366331][ T5254] FAULT_INJECTION: forcing a failure. [ 82.366331][ T5254] name failslab, interval 1, probability 0, space 0, times 0 [ 82.368270][ T5254] CPU: 0 PID: 5254 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 82.369610][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.371102][ T5254] Call trace: [ 82.371621][ T5254] dump_backtrace+0x0/0x43c [ 82.372271][ T5254] show_stack+0x2c/0x3c [ 82.372850][ T5254] __dump_stack+0x30/0x40 [ 82.373471][ T5254] dump_stack_lvl+0xf8/0x160 [ 82.374109][ T5254] dump_stack+0x1c/0x5c [ 82.374742][ T5254] should_fail+0x3c0/0x51c [ 82.375384][ T5254] __should_failslab+0xbc/0x10c [ 82.376220][ T5254] should_failslab+0x10/0x28 [ 82.376889][ T5254] slab_pre_alloc_hook+0x64/0xec [ 82.377579][ T5254] kmem_cache_alloc+0x94/0x3e4 [ 82.378272][ T5254] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 82.379121][ T5254] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.379960][ T5254] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.380816][ T5254] btrfs_replace_file_extents+0xa68/0x1290 [ 82.381661][ T5254] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.382480][ T5254] btrfs_prealloc_file_range+0x60/0x7c [ 82.383268][ T5254] btrfs_fallocate+0x1330/0x1614 [ 82.383979][ T5254] vfs_fallocate+0x4a4/0x5f4 [ 82.384633][ T5254] __arm64_sys_fallocate+0xc0/0x110 [ 82.385413][ T5254] invoke_syscall+0x98/0x2b8 [ 82.386099][ T5254] el0_svc_common+0x138/0x258 [ 82.386808][ T5254] do_el0_svc+0x58/0x14c [ 82.387401][ T5254] el0_svc+0x78/0x1e0 [ 82.388094][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 82.388806][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 82.391490][ T5254] ------------[ cut here ]------------ [ 82.392400][ T5254] WARNING: CPU: 0 PID: 5254 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.393831][ T5254] Modules linked in: [ 82.394387][ T5254] CPU: 0 PID: 5254 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 82.395773][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.397316][ T5254] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.398473][ T5254] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.399510][ T5254] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.400477][ T5254] sp : ffff800021447640 [ 82.401138][ T5254] x29: ffff800021447760 x28: 000000000000cfff x27: 0000000000000000 [ 82.402418][ T5254] x26: dfff800000000000 x25: ffff0000d836a000 x24: ffff0000ec808000 [ 82.403645][ T5254] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a478 [ 82.404931][ T5254] x20: ffff0000e2c3a420 x19: 1fffe0001c58748f x18: 0000000000000001 [ 82.406170][ T5254] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.407477][ T5254] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.408671][ T5254] x11: 0000000000000000 x10: 0000000000000000 x9 : c3015473d2af9c00 [ 82.409934][ T5254] x8 : c3015473d2af9c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.411152][ T5254] x5 : ffff800021446f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.412361][ T5254] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.413566][ T5254] Call trace: [ 82.414040][ T5254] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.414866][ T5254] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.415745][ T5254] btrfs_prealloc_file_range+0x60/0x7c [ 82.416594][ T5254] btrfs_fallocate+0x1330/0x1614 [ 82.417352][ T5254] vfs_fallocate+0x4a4/0x5f4 [ 82.418012][ T5254] __arm64_sys_fallocate+0xc0/0x110 [ 82.418828][ T5254] invoke_syscall+0x98/0x2b8 [ 82.419552][ T5254] el0_svc_common+0x138/0x258 [ 82.420223][ T5254] do_el0_svc+0x58/0x14c [ 82.420870][ T5254] el0_svc+0x78/0x1e0 [ 82.421485][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 82.422230][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 82.422894][ T5254] irq event stamp: 78926 [ 82.423508][ T5254] hardirqs last enabled at (78925): [] __up_console_sem+0xb4/0x100 [ 82.424991][ T5254] hardirqs last disabled at (78926): [] el1_dbg+0x24/0x80 [ 82.426232][ T5254] softirqs last enabled at (78904): [] handle_softirqs+0xa4c/0xbf0 [ 82.427640][ T5254] softirqs last disabled at (78877): [] __irq_exit_rcu+0x240/0x440 [ 82.429006][ T5254] ---[ end trace 0596062c0f388a4d ]--- [ 82.431738][ T5254] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.433254][ T5254] BTRFS info (device loop0): forced readonly [ 82.566775][ T5276] loop0: detected capacity change from 0 to 32768 [ 82.610080][ T5276] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5276) [ 82.613283][ T5276] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.614549][ T5276] BTRFS info (device loop0): using free space tree [ 82.615650][ T5276] BTRFS info (device loop0): has skinny extents [ 82.625496][ T5276] BTRFS info (device loop0): enabling ssd optimizations [ 82.628774][ T5276] FAULT_INJECTION: forcing a failure. [ 82.628774][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 82.630761][ T5276] CPU: 0 PID: 5276 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 82.632101][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.633591][ T5276] Call trace: [ 82.634076][ T5276] dump_backtrace+0x0/0x43c [ 82.634737][ T5276] show_stack+0x2c/0x3c [ 82.635341][ T5276] __dump_stack+0x30/0x40 [ 82.635965][ T5276] dump_stack_lvl+0xf8/0x160 [ 82.636602][ T5276] dump_stack+0x1c/0x5c [ 82.637242][ T5276] should_fail+0x3c0/0x51c [ 82.637931][ T5276] __should_failslab+0xbc/0x10c [ 82.638635][ T5276] should_failslab+0x10/0x28 [ 82.639311][ T5276] slab_pre_alloc_hook+0x64/0xec [ 82.640033][ T5276] kmem_cache_alloc+0x94/0x3e4 [ 82.640763][ T5276] btrfs_add_delayed_data_ref+0x164/0xd0c [ 82.641572][ T5276] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.642464][ T5276] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.643316][ T5276] btrfs_replace_file_extents+0xa68/0x1290 [ 82.644149][ T5276] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.645016][ T5276] btrfs_prealloc_file_range+0x60/0x7c [ 82.645875][ T5276] btrfs_fallocate+0x1330/0x1614 [ 82.646632][ T5276] vfs_fallocate+0x4a4/0x5f4 [ 82.647310][ T5276] __arm64_sys_fallocate+0xc0/0x110 [ 82.648051][ T5276] invoke_syscall+0x98/0x2b8 [ 82.648680][ T5276] el0_svc_common+0x138/0x258 [ 82.649348][ T5276] do_el0_svc+0x58/0x14c [ 82.649925][ T5276] el0_svc+0x78/0x1e0 [ 82.650488][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 82.651222][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 82.652718][ T5276] ------------[ cut here ]------------ [ 82.653572][ T5276] WARNING: CPU: 0 PID: 5276 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.655121][ T5276] Modules linked in: [ 82.655791][ T5276] CPU: 0 PID: 5276 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 82.657089][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.658575][ T5276] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.659764][ T5276] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.660642][ T5276] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.661508][ T5276] sp : ffff800021227640 [ 82.662133][ T5276] x29: ffff800021227760 x28: 000000000000cfff x27: 0000000000000000 [ 82.663347][ T5276] x26: dfff800000000000 x25: ffff0000dce5e000 x24: ffff0000e2dad850 [ 82.664617][ T5276] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a528 [ 82.665833][ T5276] x20: ffff0000e2c3a4d0 x19: 1fffe0001c5874a5 x18: 0000000000000001 [ 82.666993][ T5276] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.668243][ T5276] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.669398][ T5276] x11: 0000000000000000 x10: 0000000000000000 x9 : 83bb007bbfd01400 [ 82.670554][ T5276] x8 : 83bb007bbfd01400 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.671760][ T5276] x5 : ffff800021226f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.672970][ T5276] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.674188][ T5276] Call trace: [ 82.674705][ T5276] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.675623][ T5276] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.676565][ T5276] btrfs_prealloc_file_range+0x60/0x7c [ 82.677454][ T5276] btrfs_fallocate+0x1330/0x1614 [ 82.678257][ T5276] vfs_fallocate+0x4a4/0x5f4 [ 82.678949][ T5276] __arm64_sys_fallocate+0xc0/0x110 [ 82.679748][ T5276] invoke_syscall+0x98/0x2b8 [ 82.680450][ T5276] el0_svc_common+0x138/0x258 [ 82.681188][ T5276] do_el0_svc+0x58/0x14c [ 82.681822][ T5276] el0_svc+0x78/0x1e0 [ 82.682400][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 82.683123][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 82.683745][ T5276] irq event stamp: 78746 [ 82.684385][ T5276] hardirqs last enabled at (78745): [] __up_console_sem+0xb4/0x100 [ 82.685803][ T5276] hardirqs last disabled at (78746): [] el1_dbg+0x24/0x80 [ 82.687057][ T5276] softirqs last enabled at (78726): [] handle_softirqs+0xa4c/0xbf0 [ 82.688496][ T5276] softirqs last disabled at (78701): [] __irq_exit_rcu+0x240/0x440 [ 82.689948][ T5276] ---[ end trace 0596062c0f388a4e ]--- [ 82.691810][ T5276] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.693429][ T5276] BTRFS info (device loop0): forced readonly [ 82.824777][ T5298] loop0: detected capacity change from 0 to 32768 [ 82.859997][ T5298] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5298) [ 82.901429][ T5298] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.902755][ T5298] BTRFS info (device loop0): using free space tree [ 82.903794][ T5298] BTRFS info (device loop0): has skinny extents [ 82.912517][ T5298] BTRFS info (device loop0): enabling ssd optimizations [ 82.916953][ T5298] FAULT_INJECTION: forcing a failure. [ 82.916953][ T5298] name failslab, interval 1, probability 0, space 0, times 0 [ 82.919347][ T5298] CPU: 0 PID: 5298 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 82.920625][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.922156][ T5298] Call trace: [ 82.922671][ T5298] dump_backtrace+0x0/0x43c [ 82.923339][ T5298] show_stack+0x2c/0x3c [ 82.923949][ T5298] __dump_stack+0x30/0x40 [ 82.924591][ T5298] dump_stack_lvl+0xf8/0x160 [ 82.925275][ T5298] dump_stack+0x1c/0x5c [ 82.925841][ T5298] should_fail+0x3c0/0x51c [ 82.926490][ T5298] __should_failslab+0xbc/0x10c [ 82.927368][ T5298] should_failslab+0x10/0x28 [ 82.928013][ T5298] slab_pre_alloc_hook+0x64/0xec [ 82.928681][ T5298] kmem_cache_alloc+0x94/0x3e4 [ 82.929441][ T5298] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 82.930296][ T5298] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.931230][ T5298] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.932115][ T5298] btrfs_replace_file_extents+0xa68/0x1290 [ 82.932984][ T5298] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.933841][ T5298] btrfs_prealloc_file_range+0x60/0x7c [ 82.934528][ T5298] btrfs_fallocate+0x1330/0x1614 [ 82.935269][ T5298] vfs_fallocate+0x4a4/0x5f4 [ 82.935865][ T5298] __arm64_sys_fallocate+0xc0/0x110 [ 82.936695][ T5298] invoke_syscall+0x98/0x2b8 [ 82.937384][ T5298] el0_svc_common+0x138/0x258 [ 82.938025][ T5298] do_el0_svc+0x58/0x14c [ 82.938601][ T5298] el0_svc+0x78/0x1e0 [ 82.939167][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 82.939817][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 82.941437][ T5298] ------------[ cut here ]------------ [ 82.942391][ T5298] WARNING: CPU: 0 PID: 5298 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.943951][ T5298] Modules linked in: [ 82.944564][ T5298] CPU: 0 PID: 5298 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 82.945882][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.947400][ T5298] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.948572][ T5298] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.949509][ T5298] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.950478][ T5298] sp : ffff800021227640 [ 82.951155][ T5298] x29: ffff800021227760 x28: 000000000000cfff x27: 0000000000000000 [ 82.952507][ T5298] x26: dfff800000000000 x25: ffff0000db6b6000 x24: ffff0000e2e689d0 [ 82.953783][ T5298] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a688 [ 82.955049][ T5298] x20: ffff0000e2c3a630 x19: 1fffe0001c5874d1 x18: 0000000000000001 [ 82.956336][ T5298] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.957550][ T5298] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.958781][ T5298] x11: 0000000000000000 x10: 0000000000000000 x9 : cf798cd3cd163400 [ 82.960058][ T5298] x8 : cf798cd3cd163400 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.961297][ T5298] x5 : ffff800021226f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.962519][ T5298] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.963756][ T5298] Call trace: [ 82.964293][ T5298] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.965264][ T5298] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.966181][ T5298] btrfs_prealloc_file_range+0x60/0x7c [ 82.966949][ T5298] btrfs_fallocate+0x1330/0x1614 [ 82.967643][ T5298] vfs_fallocate+0x4a4/0x5f4 [ 82.968348][ T5298] __arm64_sys_fallocate+0xc0/0x110 [ 82.969122][ T5298] invoke_syscall+0x98/0x2b8 [ 82.969789][ T5298] el0_svc_common+0x138/0x258 [ 82.970491][ T5298] do_el0_svc+0x58/0x14c [ 82.971175][ T5298] el0_svc+0x78/0x1e0 [ 82.971781][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 82.972483][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 82.973146][ T5298] irq event stamp: 78670 [ 82.973798][ T5298] hardirqs last enabled at (78669): [] __up_console_sem+0xb4/0x100 [ 82.975155][ T5298] hardirqs last disabled at (78670): [] el1_dbg+0x24/0x80 [ 82.976512][ T5298] softirqs last enabled at (78648): [] handle_softirqs+0xa4c/0xbf0 [ 82.978028][ T5298] softirqs last disabled at (78609): [] __irq_exit_rcu+0x240/0x440 [ 82.979400][ T5298] ---[ end trace 0596062c0f388a4f ]--- [ 82.980779][ T5298] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.982600][ T5298] BTRFS info (device loop0): forced readonly [ 83.113964][ T5320] loop0: detected capacity change from 0 to 32768 [ 83.203361][ T5320] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5320) [ 83.206568][ T5320] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.208014][ T5320] BTRFS info (device loop0): using free space tree [ 83.209128][ T5320] BTRFS info (device loop0): has skinny extents [ 83.217555][ T5320] BTRFS info (device loop0): enabling ssd optimizations [ 83.220834][ T5320] FAULT_INJECTION: forcing a failure. [ 83.220834][ T5320] name failslab, interval 1, probability 0, space 0, times 0 [ 83.222676][ T5320] CPU: 0 PID: 5320 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 83.223957][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.225392][ T5320] Call trace: [ 83.225893][ T5320] dump_backtrace+0x0/0x43c [ 83.226600][ T5320] show_stack+0x2c/0x3c [ 83.227189][ T5320] __dump_stack+0x30/0x40 [ 83.227841][ T5320] dump_stack_lvl+0xf8/0x160 [ 83.228523][ T5320] dump_stack+0x1c/0x5c [ 83.229095][ T5320] should_fail+0x3c0/0x51c [ 83.229707][ T5320] __should_failslab+0xbc/0x10c [ 83.230505][ T5320] should_failslab+0x10/0x28 [ 83.231185][ T5320] slab_pre_alloc_hook+0x64/0xec [ 83.231913][ T5320] kmem_cache_alloc+0x94/0x3e4 [ 83.232584][ T5320] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 83.233390][ T5320] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 83.234318][ T5320] btrfs_insert_replace_extent+0x7e4/0x970 [ 83.235164][ T5320] btrfs_replace_file_extents+0xa68/0x1290 [ 83.236000][ T5320] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.236838][ T5320] btrfs_prealloc_file_range+0x60/0x7c [ 83.237606][ T5320] btrfs_fallocate+0x1330/0x1614 [ 83.238331][ T5320] vfs_fallocate+0x4a4/0x5f4 [ 83.239018][ T5320] __arm64_sys_fallocate+0xc0/0x110 [ 83.239826][ T5320] invoke_syscall+0x98/0x2b8 [ 83.240525][ T5320] el0_svc_common+0x138/0x258 [ 83.241222][ T5320] do_el0_svc+0x58/0x14c [ 83.241856][ T5320] el0_svc+0x78/0x1e0 [ 83.242391][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 83.243085][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 83.245238][ T5320] ------------[ cut here ]------------ [ 83.246198][ T5320] WARNING: CPU: 0 PID: 5320 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 83.247706][ T5320] Modules linked in: [ 83.248272][ T5320] CPU: 0 PID: 5320 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 83.249575][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.251060][ T5320] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.252138][ T5320] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.253058][ T5320] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.253986][ T5320] sp : ffff800021787640 [ 83.254615][ T5320] x29: ffff800021787760 x28: 000000000000cfff x27: 0000000000000000 [ 83.255896][ T5320] x26: dfff800000000000 x25: ffff0000e8bae000 x24: ffff0000e2e693a0 [ 83.257300][ T5320] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a7e8 [ 83.258550][ T5320] x20: ffff0000e2c3a790 x19: 1fffe0001c5874fd x18: 0000000000000001 [ 83.259908][ T5320] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.261192][ T5320] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.262385][ T5320] x11: 0000000000000000 x10: 0000000000000000 x9 : 28ca6309795aa400 [ 83.263587][ T5320] x8 : 28ca6309795aa400 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.264795][ T5320] x5 : ffff800021786f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.265977][ T5320] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.267168][ T5320] Call trace: [ 83.267663][ T5320] btrfs_replace_file_extents+0xcc4/0x1290 [ 83.268507][ T5320] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.269283][ T5320] btrfs_prealloc_file_range+0x60/0x7c [ 83.270095][ T5320] btrfs_fallocate+0x1330/0x1614 [ 83.270836][ T5320] vfs_fallocate+0x4a4/0x5f4 [ 83.271531][ T5320] __arm64_sys_fallocate+0xc0/0x110 [ 83.272392][ T5320] invoke_syscall+0x98/0x2b8 [ 83.273082][ T5320] el0_svc_common+0x138/0x258 [ 83.273742][ T5320] do_el0_svc+0x58/0x14c [ 83.274325][ T5320] el0_svc+0x78/0x1e0 [ 83.274904][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 83.275583][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 83.276245][ T5320] irq event stamp: 78848 [ 83.276855][ T5320] hardirqs last enabled at (78847): [] __up_console_sem+0xb4/0x100 [ 83.278144][ T5320] hardirqs last disabled at (78848): [] el1_dbg+0x24/0x80 [ 83.279360][ T5320] softirqs last enabled at (78826): [] handle_softirqs+0xa4c/0xbf0 [ 83.280697][ T5320] softirqs last disabled at (78809): [] __irq_exit_rcu+0x240/0x440 [ 83.282163][ T5320] ---[ end trace 0596062c0f388a50 ]--- [ 83.285827][ T5320] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 83.287411][ T5320] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:23 executed programs: 21 [ 83.427033][ T5342] loop0: detected capacity change from 0 to 32768 [ 83.461285][ T5342] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5342) [ 83.466050][ T5342] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.467310][ T5342] BTRFS info (device loop0): using free space tree [ 83.468280][ T5342] BTRFS info (device loop0): has skinny extents [ 83.476190][ T5342] BTRFS info (device loop0): enabling ssd optimizations [ 83.480079][ T5342] FAULT_INJECTION: forcing a failure. [ 83.480079][ T5342] name failslab, interval 1, probability 0, space 0, times 0 [ 83.482252][ T5342] CPU: 0 PID: 5342 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 83.483607][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.485164][ T5342] Call trace: [ 83.485662][ T5342] dump_backtrace+0x0/0x43c [ 83.486407][ T5342] show_stack+0x2c/0x3c [ 83.487051][ T5342] __dump_stack+0x30/0x40 [ 83.487735][ T5342] dump_stack_lvl+0xf8/0x160 [ 83.488464][ T5342] dump_stack+0x1c/0x5c [ 83.489123][ T5342] should_fail+0x3c0/0x51c [ 83.489846][ T5342] __should_failslab+0xbc/0x10c [ 83.490630][ T5342] should_failslab+0x10/0x28 [ 83.491355][ T5342] slab_pre_alloc_hook+0x64/0xec [ 83.492080][ T5342] kmem_cache_alloc+0x94/0x3e4 [ 83.492786][ T5342] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 83.493677][ T5342] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 83.494646][ T5342] btrfs_insert_replace_extent+0x7e4/0x970 [ 83.495463][ T5342] btrfs_replace_file_extents+0xa68/0x1290 [ 83.496313][ T5342] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.497135][ T5342] btrfs_prealloc_file_range+0x60/0x7c [ 83.497919][ T5342] btrfs_fallocate+0x1330/0x1614 [ 83.498748][ T5342] vfs_fallocate+0x4a4/0x5f4 [ 83.499427][ T5342] __arm64_sys_fallocate+0xc0/0x110 [ 83.500180][ T5342] invoke_syscall+0x98/0x2b8 [ 83.500869][ T5342] el0_svc_common+0x138/0x258 [ 83.501582][ T5342] do_el0_svc+0x58/0x14c [ 83.502148][ T5342] el0_svc+0x78/0x1e0 [ 83.502707][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 83.503435][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 83.505976][ T5342] ------------[ cut here ]------------ [ 83.506914][ T5342] WARNING: CPU: 0 PID: 5342 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 83.508422][ T5342] Modules linked in: [ 83.509032][ T5342] CPU: 0 PID: 5342 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 83.510352][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.511997][ T5342] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.513247][ T5342] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.514183][ T5342] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.515095][ T5342] sp : ffff8000217a7640 [ 83.515706][ T5342] x29: ffff8000217a7760 x28: 000000000000cfff x27: 0000000000000000 [ 83.516848][ T5342] x26: dfff800000000000 x25: ffff0000cbdc0000 x24: ffff0000e2e6b110 [ 83.518060][ T5342] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3a948 [ 83.519274][ T5342] x20: ffff0000e2c3a8f0 x19: 1fffe0001c587529 x18: 0000000000000001 [ 83.520521][ T5342] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.521683][ T5342] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.522918][ T5342] x11: 0000000000000000 x10: 0000000000000000 x9 : 207fdc3e8d782200 [ 83.524126][ T5342] x8 : 207fdc3e8d782200 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.525271][ T5342] x5 : ffff8000217a6f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.526366][ T5342] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.527533][ T5342] Call trace: [ 83.528018][ T5342] btrfs_replace_file_extents+0xcc4/0x1290 [ 83.528830][ T5342] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.529672][ T5342] btrfs_prealloc_file_range+0x60/0x7c [ 83.530462][ T5342] btrfs_fallocate+0x1330/0x1614 [ 83.531231][ T5342] vfs_fallocate+0x4a4/0x5f4 [ 83.531909][ T5342] __arm64_sys_fallocate+0xc0/0x110 [ 83.532710][ T5342] invoke_syscall+0x98/0x2b8 [ 83.533376][ T5342] el0_svc_common+0x138/0x258 [ 83.534079][ T5342] do_el0_svc+0x58/0x14c [ 83.534701][ T5342] el0_svc+0x78/0x1e0 [ 83.535223][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 83.535955][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 83.536556][ T5342] irq event stamp: 78510 [ 83.537155][ T5342] hardirqs last enabled at (78509): [] __up_console_sem+0xb4/0x100 [ 83.538493][ T5342] hardirqs last disabled at (78510): [] el1_dbg+0x24/0x80 [ 83.539699][ T5342] softirqs last enabled at (78488): [] handle_softirqs+0xa4c/0xbf0 [ 83.540982][ T5342] softirqs last disabled at (78469): [] __irq_exit_rcu+0x240/0x440 [ 83.542281][ T5342] ---[ end trace 0596062c0f388a51 ]--- [ 83.545517][ T5342] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 83.546875][ T5342] BTRFS info (device loop0): forced readonly [ 83.679727][ T5364] loop0: detected capacity change from 0 to 32768 [ 83.729882][ T5364] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5364) [ 83.785204][ T5364] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.786645][ T5364] BTRFS info (device loop0): using free space tree [ 83.787666][ T5364] BTRFS info (device loop0): has skinny extents [ 83.803361][ T5364] BTRFS info (device loop0): enabling ssd optimizations [ 83.806400][ T5364] FAULT_INJECTION: forcing a failure. [ 83.806400][ T5364] name failslab, interval 1, probability 0, space 0, times 0 [ 83.808254][ T5364] CPU: 0 PID: 5364 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 83.809485][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.810991][ T5364] Call trace: [ 83.811491][ T5364] dump_backtrace+0x0/0x43c [ 83.812125][ T5364] show_stack+0x2c/0x3c [ 83.812792][ T5364] __dump_stack+0x30/0x40 [ 83.813440][ T5364] dump_stack_lvl+0xf8/0x160 [ 83.814079][ T5364] dump_stack+0x1c/0x5c [ 83.814659][ T5364] should_fail+0x3c0/0x51c [ 83.815309][ T5364] __should_failslab+0xbc/0x10c [ 83.816081][ T5364] should_failslab+0x10/0x28 [ 83.816701][ T5364] slab_pre_alloc_hook+0x64/0xec [ 83.817487][ T5364] kmem_cache_alloc+0x94/0x3e4 [ 83.818229][ T5364] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 83.819062][ T5364] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 83.819909][ T5364] btrfs_insert_replace_extent+0x7e4/0x970 [ 83.820717][ T5364] btrfs_replace_file_extents+0xa68/0x1290 [ 83.821523][ T5364] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.822377][ T5364] btrfs_prealloc_file_range+0x60/0x7c [ 83.823182][ T5364] btrfs_fallocate+0x1330/0x1614 [ 83.823896][ T5364] vfs_fallocate+0x4a4/0x5f4 [ 83.824554][ T5364] __arm64_sys_fallocate+0xc0/0x110 [ 83.825219][ T5364] invoke_syscall+0x98/0x2b8 [ 83.825908][ T5364] el0_svc_common+0x138/0x258 [ 83.826631][ T5364] do_el0_svc+0x58/0x14c [ 83.827269][ T5364] el0_svc+0x78/0x1e0 [ 83.827877][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 83.828590][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 83.830667][ T5364] ------------[ cut here ]------------ [ 83.831613][ T5364] WARNING: CPU: 0 PID: 5364 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 83.833094][ T5364] Modules linked in: [ 83.833638][ T5364] CPU: 0 PID: 5364 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 83.834970][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.836408][ T5364] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.837630][ T5364] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.838571][ T5364] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.839511][ T5364] sp : ffff800021787640 [ 83.840115][ T5364] x29: ffff800021787760 x28: 000000000000cfff x27: 0000000000000000 [ 83.841362][ T5364] x26: dfff800000000000 x25: ffff0000d1c04000 x24: ffff0000e2e6ce80 [ 83.842621][ T5364] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3aaa8 [ 83.843863][ T5364] x20: ffff0000e2c3aa50 x19: 1fffe0001c587555 x18: 0000000000000001 [ 83.845121][ T5364] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.846305][ T5364] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.847555][ T5364] x11: 0000000000000000 x10: 0000000000000000 x9 : 679d93fa0c516e00 [ 83.848791][ T5364] x8 : 679d93fa0c516e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.849989][ T5364] x5 : ffff800021786f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.851246][ T5364] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.852429][ T5364] Call trace: [ 83.852923][ T5364] btrfs_replace_file_extents+0xcc4/0x1290 [ 83.853777][ T5364] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.854702][ T5364] btrfs_prealloc_file_range+0x60/0x7c [ 83.855569][ T5364] btrfs_fallocate+0x1330/0x1614 [ 83.856373][ T5364] vfs_fallocate+0x4a4/0x5f4 [ 83.857101][ T5364] __arm64_sys_fallocate+0xc0/0x110 [ 83.857951][ T5364] invoke_syscall+0x98/0x2b8 [ 83.858679][ T5364] el0_svc_common+0x138/0x258 [ 83.859390][ T5364] do_el0_svc+0x58/0x14c [ 83.860013][ T5364] el0_svc+0x78/0x1e0 [ 83.860632][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 83.861405][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 83.862047][ T5364] irq event stamp: 78670 [ 83.862695][ T5364] hardirqs last enabled at (78669): [] __up_console_sem+0xb4/0x100 [ 83.864031][ T5364] hardirqs last disabled at (78670): [] el1_dbg+0x24/0x80 [ 83.865231][ T5364] softirqs last enabled at (78648): [] handle_softirqs+0xa4c/0xbf0 [ 83.866658][ T5364] softirqs last disabled at (78631): [] __irq_exit_rcu+0x240/0x440 [ 83.868122][ T5364] ---[ end trace 0596062c0f388a52 ]--- [ 83.870310][ T5364] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 83.871801][ T5364] BTRFS info (device loop0): forced readonly [ 84.031283][ T5386] loop0: detected capacity change from 0 to 32768 [ 84.074228][ T5386] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5386) [ 84.077178][ T5386] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.078528][ T5386] BTRFS info (device loop0): using free space tree [ 84.079872][ T5386] BTRFS info (device loop0): has skinny extents [ 84.088081][ T5386] BTRFS info (device loop0): enabling ssd optimizations [ 84.092135][ T5386] FAULT_INJECTION: forcing a failure. [ 84.092135][ T5386] name failslab, interval 1, probability 0, space 0, times 0 [ 84.094091][ T5386] CPU: 1 PID: 5386 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 84.095356][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.096896][ T5386] Call trace: [ 84.097377][ T5386] dump_backtrace+0x0/0x43c [ 84.098071][ T5386] show_stack+0x2c/0x3c [ 84.098733][ T5386] __dump_stack+0x30/0x40 [ 84.099455][ T5386] dump_stack_lvl+0xf8/0x160 [ 84.100174][ T5386] dump_stack+0x1c/0x5c [ 84.100800][ T5386] should_fail+0x3c0/0x51c [ 84.101488][ T5386] __should_failslab+0xbc/0x10c [ 84.102200][ T5386] should_failslab+0x10/0x28 [ 84.102858][ T5386] slab_pre_alloc_hook+0x64/0xec [ 84.103554][ T5386] kmem_cache_alloc+0x94/0x3e4 [ 84.104270][ T5386] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 84.105144][ T5386] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.106048][ T5386] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.106869][ T5386] btrfs_replace_file_extents+0xa68/0x1290 [ 84.107688][ T5386] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.108508][ T5386] btrfs_prealloc_file_range+0x60/0x7c [ 84.109319][ T5386] btrfs_fallocate+0x1330/0x1614 [ 84.110063][ T5386] vfs_fallocate+0x4a4/0x5f4 [ 84.110687][ T5386] __arm64_sys_fallocate+0xc0/0x110 [ 84.111439][ T5386] invoke_syscall+0x98/0x2b8 [ 84.112092][ T5386] el0_svc_common+0x138/0x258 [ 84.112848][ T5386] do_el0_svc+0x58/0x14c [ 84.113455][ T5386] el0_svc+0x78/0x1e0 [ 84.114042][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 84.114743][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 84.117221][ T5386] ------------[ cut here ]------------ [ 84.118078][ T5386] WARNING: CPU: 1 PID: 5386 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.119603][ T5386] Modules linked in: [ 84.120236][ T5386] CPU: 1 PID: 5386 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 84.121537][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.122868][ T5386] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.124159][ T5386] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.125027][ T5386] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.125922][ T5386] sp : ffff800021a17640 [ 84.126496][ T5386] x29: ffff800021a17760 x28: 000000000000cfff x27: 0000000000000000 [ 84.127635][ T5386] x26: dfff800000000000 x25: ffff0000dc3b8000 x24: ffff0000e2e6ebf0 [ 84.128713][ T5386] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff478 [ 84.129813][ T5386] x20: ffff0000c52ff420 x19: 1fffe00018a5fe8f x18: 0000000000000001 [ 84.130959][ T5386] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.132084][ T5386] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.133220][ T5386] x11: 0000000000000000 x10: 0000000000000000 x9 : cc9c27c7d52dcf00 [ 84.134368][ T5386] x8 : cc9c27c7d52dcf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.135477][ T5386] x5 : ffff800021a16f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.136606][ T5386] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.137777][ T5386] Call trace: [ 84.138261][ T5386] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.139134][ T5386] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.140104][ T5386] btrfs_prealloc_file_range+0x60/0x7c [ 84.140950][ T5386] btrfs_fallocate+0x1330/0x1614 [ 84.141674][ T5386] vfs_fallocate+0x4a4/0x5f4 [ 84.142362][ T5386] __arm64_sys_fallocate+0xc0/0x110 [ 84.143183][ T5386] invoke_syscall+0x98/0x2b8 [ 84.143812][ T5386] el0_svc_common+0x138/0x258 [ 84.144540][ T5386] do_el0_svc+0x58/0x14c [ 84.145214][ T5386] el0_svc+0x78/0x1e0 [ 84.145795][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 84.146509][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 84.147157][ T5386] irq event stamp: 78758 [ 84.147721][ T5386] hardirqs last enabled at (78757): [] __up_console_sem+0xb4/0x100 [ 84.149115][ T5386] hardirqs last disabled at (78758): [] el1_dbg+0x24/0x80 [ 84.150332][ T5386] softirqs last enabled at (78736): [] handle_softirqs+0xa4c/0xbf0 [ 84.151673][ T5386] softirqs last disabled at (78683): [] __irq_exit_rcu+0x240/0x440 [ 84.153133][ T5386] ---[ end trace 0596062c0f388a53 ]--- [ 84.155893][ T5386] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 84.157462][ T5386] BTRFS info (device loop0): forced readonly [ 84.290151][ T5408] loop0: detected capacity change from 0 to 32768 [ 84.349987][ T5408] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5408) [ 84.411004][ T5408] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.412364][ T5408] BTRFS info (device loop0): using free space tree [ 84.413451][ T5408] BTRFS info (device loop0): has skinny extents [ 84.421666][ T5408] BTRFS info (device loop0): enabling ssd optimizations [ 84.424869][ T5408] FAULT_INJECTION: forcing a failure. [ 84.424869][ T5408] name failslab, interval 1, probability 0, space 0, times 0 [ 84.426947][ T5408] CPU: 1 PID: 5408 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 84.428165][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.429759][ T5408] Call trace: [ 84.430200][ T5408] dump_backtrace+0x0/0x43c [ 84.430909][ T5408] show_stack+0x2c/0x3c [ 84.431527][ T5408] __dump_stack+0x30/0x40 [ 84.432162][ T5408] dump_stack_lvl+0xf8/0x160 [ 84.432817][ T5408] dump_stack+0x1c/0x5c [ 84.433438][ T5408] should_fail+0x3c0/0x51c [ 84.434144][ T5408] __should_failslab+0xbc/0x10c [ 84.434809][ T5408] should_failslab+0x10/0x28 [ 84.435485][ T5408] slab_pre_alloc_hook+0x64/0xec [ 84.436213][ T5408] kmem_cache_alloc+0x94/0x3e4 [ 84.436839][ T5408] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 84.437643][ T5408] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.438582][ T5408] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.439429][ T5408] btrfs_replace_file_extents+0xa68/0x1290 [ 84.440282][ T5408] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.441140][ T5408] btrfs_prealloc_file_range+0x60/0x7c [ 84.441900][ T5408] btrfs_fallocate+0x1330/0x1614 [ 84.442615][ T5408] vfs_fallocate+0x4a4/0x5f4 [ 84.443251][ T5408] __arm64_sys_fallocate+0xc0/0x110 [ 84.443998][ T5408] invoke_syscall+0x98/0x2b8 [ 84.444659][ T5408] el0_svc_common+0x138/0x258 [ 84.445374][ T5408] do_el0_svc+0x58/0x14c [ 84.445985][ T5408] el0_svc+0x78/0x1e0 [ 84.446543][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 84.447266][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 84.449137][ T5408] ------------[ cut here ]------------ [ 84.450083][ T5408] WARNING: CPU: 1 PID: 5408 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.451573][ T5408] Modules linked in: [ 84.452184][ T5408] CPU: 1 PID: 5408 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 84.453474][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.455132][ T5408] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.456215][ T5408] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.457081][ T5408] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.457958][ T5408] sp : ffff800021a17640 [ 84.458588][ T5408] x29: ffff800021a17760 x28: 000000000000cfff x27: 0000000000000000 [ 84.459738][ T5408] x26: dfff800000000000 x25: ffff0000ce538000 x24: ffff0000ec80c4b0 [ 84.460955][ T5408] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff528 [ 84.462103][ T5408] x20: ffff0000c52ff4d0 x19: 1fffe00018a5fea5 x18: 0000000000000001 [ 84.463271][ T5408] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.464434][ T5408] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.465613][ T5408] x11: 0000000000000000 x10: 0000000000000000 x9 : 8ffad584cf7df900 [ 84.466722][ T5408] x8 : 8ffad584cf7df900 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.467864][ T5408] x5 : ffff800021a16f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.469037][ T5408] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.470252][ T5408] Call trace: [ 84.470749][ T5408] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.471636][ T5408] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.472491][ T5408] btrfs_prealloc_file_range+0x60/0x7c [ 84.473260][ T5408] btrfs_fallocate+0x1330/0x1614 [ 84.473989][ T5408] vfs_fallocate+0x4a4/0x5f4 [ 84.474672][ T5408] __arm64_sys_fallocate+0xc0/0x110 [ 84.475407][ T5408] invoke_syscall+0x98/0x2b8 [ 84.476100][ T5408] el0_svc_common+0x138/0x258 [ 84.476791][ T5408] do_el0_svc+0x58/0x14c [ 84.477396][ T5408] el0_svc+0x78/0x1e0 [ 84.477981][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 84.478677][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 84.479346][ T5408] irq event stamp: 78698 [ 84.480002][ T5408] hardirqs last enabled at (78697): [] __up_console_sem+0xb4/0x100 [ 84.481359][ T5408] hardirqs last disabled at (78698): [] el1_dbg+0x24/0x80 [ 84.482562][ T5408] softirqs last enabled at (78676): [] handle_softirqs+0xa4c/0xbf0 [ 84.483984][ T5408] softirqs last disabled at (78663): [] __irq_exit_rcu+0x240/0x440 [ 84.485301][ T5408] ---[ end trace 0596062c0f388a54 ]--- [ 84.488147][ T5408] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 84.490036][ T5408] BTRFS info (device loop0): forced readonly [ 84.622591][ T5430] loop0: detected capacity change from 0 to 32768 [ 84.629704][ T5430] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5430) [ 84.633831][ T5430] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.635237][ T5430] BTRFS info (device loop0): using free space tree [ 84.636254][ T5430] BTRFS info (device loop0): has skinny extents [ 84.649060][ T5430] BTRFS info (device loop0): enabling ssd optimizations [ 84.652171][ T5430] FAULT_INJECTION: forcing a failure. [ 84.652171][ T5430] name failslab, interval 1, probability 0, space 0, times 0 [ 84.653991][ T5430] CPU: 0 PID: 5430 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 84.655312][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.656912][ T5430] Call trace: [ 84.657386][ T5430] dump_backtrace+0x0/0x43c [ 84.658071][ T5430] show_stack+0x2c/0x3c [ 84.658647][ T5430] __dump_stack+0x30/0x40 [ 84.659293][ T5430] dump_stack_lvl+0xf8/0x160 [ 84.659996][ T5430] dump_stack+0x1c/0x5c [ 84.660647][ T5430] should_fail+0x3c0/0x51c [ 84.661273][ T5430] __should_failslab+0xbc/0x10c [ 84.662058][ T5430] should_failslab+0x10/0x28 [ 84.662722][ T5430] slab_pre_alloc_hook+0x64/0xec [ 84.663566][ T5430] kmem_cache_alloc+0x94/0x3e4 [ 84.664262][ T5430] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 84.665071][ T5430] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.665996][ T5430] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.666852][ T5430] btrfs_replace_file_extents+0xa68/0x1290 [ 84.667720][ T5430] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.668524][ T5430] btrfs_prealloc_file_range+0x60/0x7c [ 84.669314][ T5430] btrfs_fallocate+0x1330/0x1614 [ 84.670049][ T5430] vfs_fallocate+0x4a4/0x5f4 [ 84.670702][ T5430] __arm64_sys_fallocate+0xc0/0x110 [ 84.671452][ T5430] invoke_syscall+0x98/0x2b8 [ 84.672116][ T5430] el0_svc_common+0x138/0x258 [ 84.672813][ T5430] do_el0_svc+0x58/0x14c [ 84.673406][ T5430] el0_svc+0x78/0x1e0 [ 84.673996][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 84.674657][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 84.677111][ T5430] ------------[ cut here ]------------ [ 84.677944][ T5430] WARNING: CPU: 0 PID: 5430 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.679379][ T5430] Modules linked in: [ 84.679936][ T5430] CPU: 0 PID: 5430 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 84.681166][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.682574][ T5430] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.683706][ T5430] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.684653][ T5430] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.685583][ T5430] sp : ffff800021a17640 [ 84.686205][ T5430] x29: ffff800021a17760 x28: 000000000000cfff x27: 0000000000000000 [ 84.687396][ T5430] x26: dfff800000000000 x25: ffff0000d96b6000 x24: ffff0000ec80a740 [ 84.688671][ T5430] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3ad68 [ 84.689908][ T5430] x20: ffff0000e2c3ad10 x19: 1fffe0001c5875ad x18: 0000000000000001 [ 84.691070][ T5430] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.692322][ T5430] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.693517][ T5430] x11: 0000000000000000 x10: 0000000000000000 x9 : 837bd39c19363f00 [ 84.694757][ T5430] x8 : 837bd39c19363f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.695942][ T5430] x5 : ffff800021a16f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.697156][ T5430] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.698374][ T5430] Call trace: [ 84.698880][ T5430] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.699854][ T5430] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.700779][ T5430] btrfs_prealloc_file_range+0x60/0x7c [ 84.701603][ T5430] btrfs_fallocate+0x1330/0x1614 [ 84.702367][ T5430] vfs_fallocate+0x4a4/0x5f4 [ 84.703043][ T5430] __arm64_sys_fallocate+0xc0/0x110 [ 84.703810][ T5430] invoke_syscall+0x98/0x2b8 [ 84.704509][ T5430] el0_svc_common+0x138/0x258 [ 84.705239][ T5430] do_el0_svc+0x58/0x14c [ 84.705957][ T5430] el0_svc+0x78/0x1e0 [ 84.706549][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 84.707282][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 84.707970][ T5430] irq event stamp: 78872 [ 84.708674][ T5430] hardirqs last enabled at (78871): [] __up_console_sem+0xb4/0x100 [ 84.710189][ T5430] hardirqs last disabled at (78872): [] el1_dbg+0x24/0x80 [ 84.711552][ T5430] softirqs last enabled at (78850): [] handle_softirqs+0xa4c/0xbf0 [ 84.712857][ T5430] softirqs last disabled at (78757): [] __irq_exit_rcu+0x240/0x440 [ 84.714237][ T5430] ---[ end trace 0596062c0f388a55 ]--- [ 84.717224][ T5430] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 84.718743][ T5430] BTRFS info (device loop0): forced readonly [ 84.896182][ T5452] loop0: detected capacity change from 0 to 32768 [ 84.933880][ T5452] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5452) [ 84.936776][ T5452] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.938224][ T5452] BTRFS info (device loop0): using free space tree [ 84.939582][ T5452] BTRFS info (device loop0): has skinny extents [ 84.947744][ T5452] BTRFS info (device loop0): enabling ssd optimizations [ 84.951970][ T5452] FAULT_INJECTION: forcing a failure. [ 84.951970][ T5452] name failslab, interval 1, probability 0, space 0, times 0 [ 84.954002][ T5452] CPU: 0 PID: 5452 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 84.955219][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.956808][ T5452] Call trace: [ 84.957277][ T5452] dump_backtrace+0x0/0x43c [ 84.957957][ T5452] show_stack+0x2c/0x3c [ 84.958512][ T5452] __dump_stack+0x30/0x40 [ 84.959163][ T5452] dump_stack_lvl+0xf8/0x160 [ 84.959912][ T5452] dump_stack+0x1c/0x5c [ 84.960511][ T5452] should_fail+0x3c0/0x51c [ 84.961146][ T5452] __should_failslab+0xbc/0x10c [ 84.961823][ T5452] should_failslab+0x10/0x28 [ 84.962512][ T5452] slab_pre_alloc_hook+0x64/0xec [ 84.963225][ T5452] kmem_cache_alloc+0x94/0x3e4 [ 84.964009][ T5452] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 84.964894][ T5452] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.965889][ T5452] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.966748][ T5452] btrfs_replace_file_extents+0xa68/0x1290 [ 84.967669][ T5452] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.968479][ T5452] btrfs_prealloc_file_range+0x60/0x7c [ 84.969294][ T5452] btrfs_fallocate+0x1330/0x1614 [ 84.970080][ T5452] vfs_fallocate+0x4a4/0x5f4 [ 84.970708][ T5452] __arm64_sys_fallocate+0xc0/0x110 [ 84.971481][ T5452] invoke_syscall+0x98/0x2b8 [ 84.972206][ T5452] el0_svc_common+0x138/0x258 [ 84.972878][ T5452] do_el0_svc+0x58/0x14c [ 84.973504][ T5452] el0_svc+0x78/0x1e0 [ 84.974084][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 84.974814][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 84.977056][ T5452] ------------[ cut here ]------------ [ 84.977972][ T5452] WARNING: CPU: 0 PID: 5452 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.979500][ T5452] Modules linked in: [ 84.980067][ T5452] CPU: 0 PID: 5452 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 84.981335][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.982769][ T5452] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.983922][ T5452] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.984824][ T5452] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.985762][ T5452] sp : ffff800021d37640 [ 84.986301][ T5452] x29: ffff800021d37760 x28: 000000000000cfff x27: 0000000000000000 [ 84.987451][ T5452] x26: dfff800000000000 x25: ffff0000d866a000 x24: ffff0000ec95ebf0 [ 84.988687][ T5452] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3ae18 [ 84.989946][ T5452] x20: ffff0000e2c3adc0 x19: 1fffe0001c5875c3 x18: 0000000000000001 [ 84.991167][ T5452] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.992354][ T5452] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.993539][ T5452] x11: 0000000000000000 x10: 0000000000000000 x9 : 7137d489aed11f00 [ 84.994872][ T5452] x8 : 7137d489aed11f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.996075][ T5452] x5 : ffff800021d36f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.997217][ T5452] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.998417][ T5452] Call trace: [ 84.998871][ T5452] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.999784][ T5452] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.000677][ T5452] btrfs_prealloc_file_range+0x60/0x7c [ 85.001486][ T5452] btrfs_fallocate+0x1330/0x1614 [ 85.002209][ T5452] vfs_fallocate+0x4a4/0x5f4 [ 85.002899][ T5452] __arm64_sys_fallocate+0xc0/0x110 [ 85.003686][ T5452] invoke_syscall+0x98/0x2b8 [ 85.004383][ T5452] el0_svc_common+0x138/0x258 [ 85.005031][ T5452] do_el0_svc+0x58/0x14c [ 85.005652][ T5452] el0_svc+0x78/0x1e0 [ 85.006165][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 85.006957][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 85.007612][ T5452] irq event stamp: 78990 [ 85.008162][ T5452] hardirqs last enabled at (78989): [] __up_console_sem+0xb4/0x100 [ 85.009545][ T5452] hardirqs last disabled at (78990): [] el1_dbg+0x24/0x80 [ 85.010764][ T5452] softirqs last enabled at (78968): [] handle_softirqs+0xa4c/0xbf0 [ 85.012252][ T5452] softirqs last disabled at (78939): [] __irq_exit_rcu+0x240/0x440 [ 85.013509][ T5452] ---[ end trace 0596062c0f388a56 ]--- [ 85.016408][ T5452] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.017997][ T5452] BTRFS info (device loop0): forced readonly [ 85.150582][ T5474] loop0: detected capacity change from 0 to 32768 [ 85.157371][ T5474] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5474) [ 85.164380][ T5474] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.165777][ T5474] BTRFS info (device loop0): using free space tree [ 85.166887][ T5474] BTRFS info (device loop0): has skinny extents [ 85.180225][ T5474] BTRFS info (device loop0): enabling ssd optimizations [ 85.183830][ T5474] FAULT_INJECTION: forcing a failure. [ 85.183830][ T5474] name failslab, interval 1, probability 0, space 0, times 0 [ 85.185764][ T5474] CPU: 0 PID: 5474 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 85.187099][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.188530][ T5474] Call trace: [ 85.188988][ T5474] dump_backtrace+0x0/0x43c [ 85.189677][ T5474] show_stack+0x2c/0x3c [ 85.190272][ T5474] __dump_stack+0x30/0x40 [ 85.190889][ T5474] dump_stack_lvl+0xf8/0x160 [ 85.191550][ T5474] dump_stack+0x1c/0x5c [ 85.192182][ T5474] should_fail+0x3c0/0x51c [ 85.192858][ T5474] __should_failslab+0xbc/0x10c [ 85.193537][ T5474] should_failslab+0x10/0x28 [ 85.194229][ T5474] slab_pre_alloc_hook+0x64/0xec [ 85.194954][ T5474] kmem_cache_alloc+0x94/0x3e4 [ 85.195668][ T5474] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 85.196560][ T5474] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 85.197508][ T5474] btrfs_insert_replace_extent+0x7e4/0x970 [ 85.198370][ T5474] btrfs_replace_file_extents+0xa68/0x1290 [ 85.199256][ T5474] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.200095][ T5474] btrfs_prealloc_file_range+0x60/0x7c [ 85.200942][ T5474] btrfs_fallocate+0x1330/0x1614 [ 85.201615][ T5474] vfs_fallocate+0x4a4/0x5f4 [ 85.202282][ T5474] __arm64_sys_fallocate+0xc0/0x110 [ 85.203022][ T5474] invoke_syscall+0x98/0x2b8 [ 85.203675][ T5474] el0_svc_common+0x138/0x258 [ 85.204384][ T5474] do_el0_svc+0x58/0x14c [ 85.204998][ T5474] el0_svc+0x78/0x1e0 [ 85.205583][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 85.206318][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 85.207283][ T5474] ------------[ cut here ]------------ [ 85.208268][ T5474] WARNING: CPU: 0 PID: 5474 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 85.209853][ T5474] Modules linked in: [ 85.210440][ T5474] CPU: 0 PID: 5474 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 85.211786][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.213280][ T5474] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.214507][ T5474] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.215412][ T5474] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.216331][ T5474] sp : ffff800021f77640 [ 85.216923][ T5474] x29: ffff800021f77760 x28: 000000000000cfff x27: 0000000000000000 [ 85.218001][ T5474] x26: dfff800000000000 x25: ffff0000ed9ae000 x24: ffff0000ec809d70 [ 85.219163][ T5474] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000e2c3af78 [ 85.220337][ T5474] x20: ffff0000e2c3af20 x19: 1fffe0001c5875ef x18: 0000000000000001 [ 85.221578][ T5474] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.222790][ T5474] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.224023][ T5474] x11: 0000000000000000 x10: 0000000000000000 x9 : f3206b22e29f1000 [ 85.225257][ T5474] x8 : f3206b22e29f1000 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.226449][ T5474] x5 : ffff800021f76f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.227664][ T5474] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.228916][ T5474] Call trace: [ 85.229409][ T5474] btrfs_replace_file_extents+0xcc4/0x1290 [ 85.230251][ T5474] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.231081][ T5474] btrfs_prealloc_file_range+0x60/0x7c [ 85.231896][ T5474] btrfs_fallocate+0x1330/0x1614 [ 85.232588][ T5474] vfs_fallocate+0x4a4/0x5f4 [ 85.233235][ T5474] __arm64_sys_fallocate+0xc0/0x110 [ 85.234005][ T5474] invoke_syscall+0x98/0x2b8 [ 85.234667][ T5474] el0_svc_common+0x138/0x258 [ 85.235416][ T5474] do_el0_svc+0x58/0x14c [ 85.236003][ T5474] el0_svc+0x78/0x1e0 [ 85.236553][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 85.237301][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 85.237963][ T5474] irq event stamp: 78592 [ 85.238596][ T5474] hardirqs last enabled at (78591): [] __up_console_sem+0xb4/0x100 [ 85.240086][ T5474] hardirqs last disabled at (78592): [] el1_dbg+0x24/0x80 [ 85.241363][ T5474] softirqs last enabled at (78570): [] handle_softirqs+0xa4c/0xbf0 [ 85.242784][ T5474] softirqs last disabled at (78519): [] __irq_exit_rcu+0x240/0x440 [ 85.244044][ T5474] ---[ end trace 0596062c0f388a57 ]--- [ 85.245060][ T5474] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.246437][ T5474] BTRFS info (device loop0): forced readonly [ 85.377029][ T5496] loop0: detected capacity change from 0 to 32768 [ 85.424143][ T5496] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5496) [ 85.427085][ T5496] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.428459][ T5496] BTRFS info (device loop0): using free space tree [ 85.429871][ T5496] BTRFS info (device loop0): has skinny extents [ 85.438225][ T5496] BTRFS info (device loop0): enabling ssd optimizations [ 85.442469][ T5496] FAULT_INJECTION: forcing a failure. [ 85.442469][ T5496] name failslab, interval 1, probability 0, space 0, times 0 [ 85.444430][ T5496] CPU: 1 PID: 5496 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 85.445610][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.447036][ T5496] Call trace: [ 85.447498][ T5496] dump_backtrace+0x0/0x43c [ 85.448125][ T5496] show_stack+0x2c/0x3c [ 85.448674][ T5496] __dump_stack+0x30/0x40 [ 85.449307][ T5496] dump_stack_lvl+0xf8/0x160 [ 85.449962][ T5496] dump_stack+0x1c/0x5c [ 85.450530][ T5496] should_fail+0x3c0/0x51c [ 85.451185][ T5496] __should_failslab+0xbc/0x10c [ 85.451828][ T5496] should_failslab+0x10/0x28 [ 85.452466][ T5496] slab_pre_alloc_hook+0x64/0xec [ 85.453160][ T5496] kmem_cache_alloc+0x94/0x3e4 [ 85.453870][ T5496] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 85.454662][ T5496] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 85.455525][ T5496] btrfs_insert_replace_extent+0x7e4/0x970 [ 85.456360][ T5496] btrfs_replace_file_extents+0xa68/0x1290 [ 85.457144][ T5496] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.457975][ T5496] btrfs_prealloc_file_range+0x60/0x7c [ 85.458754][ T5496] btrfs_fallocate+0x1330/0x1614 [ 85.459494][ T5496] vfs_fallocate+0x4a4/0x5f4 [ 85.460198][ T5496] __arm64_sys_fallocate+0xc0/0x110 [ 85.460987][ T5496] invoke_syscall+0x98/0x2b8 [ 85.461657][ T5496] el0_svc_common+0x138/0x258 [ 85.462285][ T5496] do_el0_svc+0x58/0x14c [ 85.462912][ T5496] el0_svc+0x78/0x1e0 [ 85.463487][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 85.464193][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 85.467527][ T5496] ------------[ cut here ]------------ [ 85.468461][ T5496] WARNING: CPU: 1 PID: 5496 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 85.469966][ T5496] Modules linked in: [ 85.470548][ T5496] CPU: 1 PID: 5496 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 85.471851][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.473383][ T5496] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.474593][ T5496] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.475507][ T5496] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.476358][ T5496] sp : ffff800022067640 [ 85.476937][ T5496] x29: ffff800022067760 x28: 000000000000cfff x27: 0000000000000000 [ 85.478126][ T5496] x26: dfff800000000000 x25: ffff0000da05a000 x24: ffff0000ec95a740 [ 85.479298][ T5496] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff688 [ 85.480471][ T5496] x20: ffff0000c52ff630 x19: 1fffe00018a5fed1 x18: 0000000000000001 [ 85.481635][ T5496] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.482837][ T5496] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.483994][ T5496] x11: 0000000000000000 x10: 0000000000000000 x9 : aaccee4126a62e00 [ 85.485179][ T5496] x8 : aaccee4126a62e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.486343][ T5496] x5 : ffff800022066f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.487516][ T5496] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.488795][ T5496] Call trace: [ 85.489331][ T5496] btrfs_replace_file_extents+0xcc4/0x1290 [ 85.490190][ T5496] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.491016][ T5496] btrfs_prealloc_file_range+0x60/0x7c [ 85.491814][ T5496] btrfs_fallocate+0x1330/0x1614 [ 85.492505][ T5496] vfs_fallocate+0x4a4/0x5f4 [ 85.493192][ T5496] __arm64_sys_fallocate+0xc0/0x110 [ 85.493981][ T5496] invoke_syscall+0x98/0x2b8 [ 85.494681][ T5496] el0_svc_common+0x138/0x258 [ 85.495358][ T5496] do_el0_svc+0x58/0x14c [ 85.495968][ T5496] el0_svc+0x78/0x1e0 [ 85.496553][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 85.497241][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 85.497900][ T5496] irq event stamp: 78908 [ 85.498493][ T5496] hardirqs last enabled at (78907): [] __up_console_sem+0xb4/0x100 [ 85.499779][ T5496] hardirqs last disabled at (78908): [] el1_dbg+0x24/0x80 [ 85.501005][ T5496] softirqs last enabled at (78886): [] handle_softirqs+0xa4c/0xbf0 [ 85.502316][ T5496] softirqs last disabled at (78845): [] __irq_exit_rcu+0x240/0x440 [ 85.503734][ T5496] ---[ end trace 0596062c0f388a58 ]--- [ 85.506580][ T5496] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.508061][ T5496] BTRFS info (device loop0): forced readonly [ 85.685785][ T5518] loop0: detected capacity change from 0 to 32768 [ 85.724093][ T5518] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5518) [ 85.727024][ T5518] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.728385][ T5518] BTRFS info (device loop0): using free space tree [ 85.729759][ T5518] BTRFS info (device loop0): has skinny extents [ 85.737851][ T5518] BTRFS info (device loop0): enabling ssd optimizations [ 85.741818][ T5518] FAULT_INJECTION: forcing a failure. [ 85.741818][ T5518] name failslab, interval 1, probability 0, space 0, times 0 [ 85.743904][ T5518] CPU: 1 PID: 5518 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 85.745201][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.746630][ T5518] Call trace: [ 85.747093][ T5518] dump_backtrace+0x0/0x43c [ 85.747762][ T5518] show_stack+0x2c/0x3c [ 85.748377][ T5518] __dump_stack+0x30/0x40 [ 85.749047][ T5518] dump_stack_lvl+0xf8/0x160 [ 85.749733][ T5518] dump_stack+0x1c/0x5c [ 85.750412][ T5518] should_fail+0x3c0/0x51c [ 85.751021][ T5518] __should_failslab+0xbc/0x10c [ 85.751756][ T5518] should_failslab+0x10/0x28 [ 85.752485][ T5518] slab_pre_alloc_hook+0x64/0xec [ 85.753222][ T5518] kmem_cache_alloc+0x94/0x3e4 [ 85.753924][ T5518] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 85.754799][ T5518] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 85.755721][ T5518] btrfs_insert_replace_extent+0x7e4/0x970 [ 85.756560][ T5518] btrfs_replace_file_extents+0xa68/0x1290 [ 85.757407][ T5518] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.758376][ T5518] btrfs_prealloc_file_range+0x60/0x7c [ 85.759288][ T5518] btrfs_fallocate+0x1330/0x1614 [ 85.760053][ T5518] vfs_fallocate+0x4a4/0x5f4 [ 85.760778][ T5518] __arm64_sys_fallocate+0xc0/0x110 [ 85.761568][ T5518] invoke_syscall+0x98/0x2b8 [ 85.762292][ T5518] el0_svc_common+0x138/0x258 [ 85.763041][ T5518] do_el0_svc+0x58/0x14c [ 85.763707][ T5518] el0_svc+0x78/0x1e0 [ 85.764331][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 85.765082][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 85.767227][ T5518] ------------[ cut here ]------------ [ 85.768191][ T5518] WARNING: CPU: 1 PID: 5518 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 85.769739][ T5518] Modules linked in: [ 85.770346][ T5518] CPU: 1 PID: 5518 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 85.771680][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.773202][ T5518] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.774348][ T5518] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.775250][ T5518] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.776149][ T5518] sp : ffff800022217640 [ 85.776727][ T5518] x29: ffff800022217760 x28: 000000000000cfff x27: 0000000000000000 [ 85.777933][ T5518] x26: dfff800000000000 x25: ffff0000d6c76000 x24: ffff0000ec80d850 [ 85.779116][ T5518] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff318 [ 85.780299][ T5518] x20: ffff0000c52ff2c0 x19: 1fffe00018a5fe63 x18: 0000000000000001 [ 85.781489][ T5518] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.782661][ T5518] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.783841][ T5518] x11: 0000000000000000 x10: 0000000000000000 x9 : 5b9a8da499c39f00 [ 85.785042][ T5518] x8 : 5b9a8da499c39f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.786238][ T5518] x5 : ffff800022216f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.787493][ T5518] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.788619][ T5518] Call trace: [ 85.789133][ T5518] btrfs_replace_file_extents+0xcc4/0x1290 [ 85.789999][ T5518] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.790852][ T5518] btrfs_prealloc_file_range+0x60/0x7c [ 85.791582][ T5518] btrfs_fallocate+0x1330/0x1614 [ 85.792220][ T5518] vfs_fallocate+0x4a4/0x5f4 [ 85.792921][ T5518] __arm64_sys_fallocate+0xc0/0x110 [ 85.793693][ T5518] invoke_syscall+0x98/0x2b8 [ 85.794367][ T5518] el0_svc_common+0x138/0x258 [ 85.795058][ T5518] do_el0_svc+0x58/0x14c [ 85.795653][ T5518] el0_svc+0x78/0x1e0 [ 85.796295][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 85.797070][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 85.797689][ T5518] irq event stamp: 78430 [ 85.798284][ T5518] hardirqs last enabled at (78429): [] __up_console_sem+0xb4/0x100 [ 85.799513][ T5518] hardirqs last disabled at (78430): [] el1_dbg+0x24/0x80 [ 85.800736][ T5518] softirqs last enabled at (78408): [] handle_softirqs+0xa4c/0xbf0 [ 85.802044][ T5518] softirqs last disabled at (78395): [] __irq_exit_rcu+0x240/0x440 [ 85.803409][ T5518] ---[ end trace 0596062c0f388a59 ]--- [ 85.806252][ T5518] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.807725][ T5518] BTRFS info (device loop0): forced readonly [ 85.935997][ T5540] loop0: detected capacity change from 0 to 32768 [ 85.970923][ T5540] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5540) [ 85.976275][ T5540] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.977629][ T5540] BTRFS info (device loop0): using free space tree [ 85.978559][ T5540] BTRFS info (device loop0): has skinny extents [ 85.985706][ T5540] BTRFS info (device loop0): enabling ssd optimizations [ 85.989771][ T5540] FAULT_INJECTION: forcing a failure. [ 85.989771][ T5540] name failslab, interval 1, probability 0, space 0, times 0 [ 85.991633][ T5540] CPU: 1 PID: 5540 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 85.992860][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.994283][ T5540] Call trace: [ 85.994740][ T5540] dump_backtrace+0x0/0x43c [ 85.995356][ T5540] show_stack+0x2c/0x3c [ 85.995926][ T5540] __dump_stack+0x30/0x40 [ 85.996523][ T5540] dump_stack_lvl+0xf8/0x160 [ 85.997190][ T5540] dump_stack+0x1c/0x5c [ 85.997766][ T5540] should_fail+0x3c0/0x51c [ 85.998371][ T5540] __should_failslab+0xbc/0x10c [ 85.999060][ T5540] should_failslab+0x10/0x28 [ 85.999724][ T5540] slab_pre_alloc_hook+0x64/0xec [ 86.000446][ T5540] kmem_cache_alloc+0x94/0x3e4 [ 86.001083][ T5540] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.001890][ T5540] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.002801][ T5540] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.003636][ T5540] btrfs_replace_file_extents+0xa68/0x1290 [ 86.004460][ T5540] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.005286][ T5540] btrfs_prealloc_file_range+0x60/0x7c [ 86.006056][ T5540] btrfs_fallocate+0x1330/0x1614 [ 86.006781][ T5540] vfs_fallocate+0x4a4/0x5f4 [ 86.007407][ T5540] __arm64_sys_fallocate+0xc0/0x110 [ 86.008101][ T5540] invoke_syscall+0x98/0x2b8 [ 86.008767][ T5540] el0_svc_common+0x138/0x258 [ 86.009453][ T5540] do_el0_svc+0x58/0x14c [ 86.010104][ T5540] el0_svc+0x78/0x1e0 [ 86.010655][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 86.011384][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 86.013720][ T5540] ------------[ cut here ]------------ [ 86.014587][ T5540] WARNING: CPU: 1 PID: 5540 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.015979][ T5540] Modules linked in: [ 86.016519][ T5540] CPU: 1 PID: 5540 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 86.017722][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.019102][ T5540] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.020294][ T5540] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.021152][ T5540] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.022027][ T5540] sp : ffff800022217640 [ 86.022620][ T5540] x29: ffff800022217760 x28: 000000000000cfff x27: 0000000000000000 [ 86.023846][ T5540] x26: dfff800000000000 x25: ffff0000d2152000 x24: ffff0000ec9589d0 [ 86.024988][ T5540] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff738 [ 86.026102][ T5540] x20: ffff0000c52ff6e0 x19: 1fffe00018a5fee7 x18: 0000000000000001 [ 86.027250][ T5540] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.028362][ T5540] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.029456][ T5540] x11: 0000000000000000 x10: 0000000000000000 x9 : 0628de8d1ec49300 [ 86.030582][ T5540] x8 : 0628de8d1ec49300 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.031701][ T5540] x5 : ffff800022216f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.032828][ T5540] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.033971][ T5540] Call trace: [ 86.034468][ T5540] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.035290][ T5540] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.036095][ T5540] btrfs_prealloc_file_range+0x60/0x7c [ 86.036889][ T5540] btrfs_fallocate+0x1330/0x1614 [ 86.037586][ T5540] vfs_fallocate+0x4a4/0x5f4 [ 86.038242][ T5540] __arm64_sys_fallocate+0xc0/0x110 [ 86.038939][ T5540] invoke_syscall+0x98/0x2b8 [ 86.039572][ T5540] el0_svc_common+0x138/0x258 [ 86.040248][ T5540] do_el0_svc+0x58/0x14c [ 86.040872][ T5540] el0_svc+0x78/0x1e0 [ 86.041443][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 86.042138][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 86.042760][ T5540] irq event stamp: 78724 [ 86.043389][ T5540] hardirqs last enabled at (78723): [] __up_console_sem+0xb4/0x100 [ 86.044687][ T5540] hardirqs last disabled at (78724): [] el1_dbg+0x24/0x80 [ 86.045942][ T5540] softirqs last enabled at (78702): [] handle_softirqs+0xa4c/0xbf0 [ 86.047243][ T5540] softirqs last disabled at (78665): [] __irq_exit_rcu+0x240/0x440 [ 86.048452][ T5540] ---[ end trace 0596062c0f388a5a ]--- [ 86.051250][ T5540] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.052575][ T5540] BTRFS info (device loop0): forced readonly [ 86.180285][ T5562] loop0: detected capacity change from 0 to 32768 [ 86.230421][ T5562] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5562) [ 86.270924][ T5562] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 86.272358][ T5562] BTRFS info (device loop0): using free space tree [ 86.274095][ T5562] BTRFS info (device loop0): has skinny extents [ 86.286842][ T5562] BTRFS info (device loop0): enabling ssd optimizations [ 86.291673][ T5562] FAULT_INJECTION: forcing a failure. [ 86.291673][ T5562] name failslab, interval 1, probability 0, space 0, times 0 [ 86.293502][ T5562] CPU: 1 PID: 5562 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 86.294773][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.296241][ T5562] Call trace: [ 86.296732][ T5562] dump_backtrace+0x0/0x43c [ 86.297452][ T5562] show_stack+0x2c/0x3c [ 86.298071][ T5562] __dump_stack+0x30/0x40 [ 86.298735][ T5562] dump_stack_lvl+0xf8/0x160 [ 86.299463][ T5562] dump_stack+0x1c/0x5c [ 86.300041][ T5562] should_fail+0x3c0/0x51c [ 86.300696][ T5562] __should_failslab+0xbc/0x10c [ 86.301398][ T5562] should_failslab+0x10/0x28 [ 86.302196][ T5562] slab_pre_alloc_hook+0x64/0xec [ 86.302909][ T5562] kmem_cache_alloc+0x94/0x3e4 [ 86.303636][ T5562] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.304500][ T5562] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.305462][ T5562] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.306358][ T5562] btrfs_replace_file_extents+0xa68/0x1290 [ 86.307231][ T5562] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.308072][ T5562] btrfs_prealloc_file_range+0x60/0x7c [ 86.308836][ T5562] btrfs_fallocate+0x1330/0x1614 [ 86.309580][ T5562] vfs_fallocate+0x4a4/0x5f4 [ 86.310311][ T5562] __arm64_sys_fallocate+0xc0/0x110 [ 86.311036][ T5562] invoke_syscall+0x98/0x2b8 [ 86.311697][ T5562] el0_svc_common+0x138/0x258 [ 86.312464][ T5562] do_el0_svc+0x58/0x14c [ 86.313076][ T5562] el0_svc+0x78/0x1e0 [ 86.313626][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 86.314376][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 86.317351][ T5562] ------------[ cut here ]------------ [ 86.318294][ T5562] WARNING: CPU: 1 PID: 5562 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.319871][ T5562] Modules linked in: [ 86.320460][ T5562] CPU: 1 PID: 5562 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 86.321806][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.323352][ T5562] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.324647][ T5562] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.325673][ T5562] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.326614][ T5562] sp : ffff800022617640 [ 86.327282][ T5562] x29: ffff800022617760 x28: 000000000000cfff x27: 0000000000000000 [ 86.328521][ T5562] x26: dfff800000000000 x25: ffff0000cd140000 x24: ffff0000ec9593a0 [ 86.329856][ T5562] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff898 [ 86.331178][ T5562] x20: ffff0000c52ff840 x19: 1fffe00018a5ff13 x18: 0000000000000001 [ 86.332368][ T5562] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.333555][ T5562] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.334783][ T5562] x11: 0000000000000000 x10: 0000000000000000 x9 : d329ecff5d63cf00 [ 86.336011][ T5562] x8 : d329ecff5d63cf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.337156][ T5562] x5 : ffff800022616f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.338334][ T5562] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.339573][ T5562] Call trace: [ 86.340054][ T5562] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.340994][ T5562] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.341955][ T5562] btrfs_prealloc_file_range+0x60/0x7c [ 86.342754][ T5562] btrfs_fallocate+0x1330/0x1614 [ 86.343493][ T5562] vfs_fallocate+0x4a4/0x5f4 [ 86.344171][ T5562] __arm64_sys_fallocate+0xc0/0x110 [ 86.344873][ T5562] invoke_syscall+0x98/0x2b8 [ 86.345519][ T5562] el0_svc_common+0x138/0x258 [ 86.346149][ T5562] do_el0_svc+0x58/0x14c [ 86.346773][ T5562] el0_svc+0x78/0x1e0 [ 86.347387][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 86.348085][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 86.348723][ T5562] irq event stamp: 79104 [ 86.349293][ T5562] hardirqs last enabled at (79103): [] __up_console_sem+0xb4/0x100 [ 86.350616][ T5562] hardirqs last disabled at (79104): [] el1_dbg+0x24/0x80 [ 86.351841][ T5562] softirqs last enabled at (79082): [] handle_softirqs+0xa4c/0xbf0 [ 86.353204][ T5562] softirqs last disabled at (79063): [] __irq_exit_rcu+0x240/0x440 [ 86.354510][ T5562] ---[ end trace 0596062c0f388a5b ]--- [ 86.358741][ T5562] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.360407][ T5562] BTRFS info (device loop0): forced readonly [ 86.494512][ T5584] loop0: detected capacity change from 0 to 32768 [ 86.572797][ T5584] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5584) [ 86.575661][ T5584] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 86.577008][ T5584] BTRFS info (device loop0): using free space tree [ 86.578009][ T5584] BTRFS info (device loop0): has skinny extents [ 86.594158][ T5584] BTRFS info (device loop0): enabling ssd optimizations [ 86.597814][ T5584] FAULT_INJECTION: forcing a failure. [ 86.597814][ T5584] name failslab, interval 1, probability 0, space 0, times 0 [ 86.600913][ T5584] CPU: 1 PID: 5584 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 86.602238][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.603863][ T5584] Call trace: [ 86.604378][ T5584] dump_backtrace+0x0/0x43c [ 86.605080][ T5584] show_stack+0x2c/0x3c [ 86.605678][ T5584] __dump_stack+0x30/0x40 [ 86.606302][ T5584] dump_stack_lvl+0xf8/0x160 [ 86.606961][ T5584] dump_stack+0x1c/0x5c [ 86.607585][ T5584] should_fail+0x3c0/0x51c [ 86.608252][ T5584] __should_failslab+0xbc/0x10c [ 86.608985][ T5584] should_failslab+0x10/0x28 [ 86.609669][ T5584] slab_pre_alloc_hook+0x64/0xec [ 86.610387][ T5584] kmem_cache_alloc+0x94/0x3e4 [ 86.611068][ T5584] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.611914][ T5584] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.612825][ T5584] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.613733][ T5584] btrfs_replace_file_extents+0xa68/0x1290 [ 86.614617][ T5584] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.615505][ T5584] btrfs_prealloc_file_range+0x60/0x7c [ 86.616303][ T5584] btrfs_fallocate+0x1330/0x1614 [ 86.617031][ T5584] vfs_fallocate+0x4a4/0x5f4 [ 86.617781][ T5584] __arm64_sys_fallocate+0xc0/0x110 [ 86.618621][ T5584] invoke_syscall+0x98/0x2b8 [ 86.619345][ T5584] el0_svc_common+0x138/0x258 [ 86.620039][ T5584] do_el0_svc+0x58/0x14c [ 86.620612][ T5584] el0_svc+0x78/0x1e0 [ 86.621219][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 86.621986][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 86.624706][ T5584] ------------[ cut here ]------------ [ 86.625626][ T5584] WARNING: CPU: 1 PID: 5584 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.627208][ T5584] Modules linked in: [ 86.627784][ T5584] CPU: 1 PID: 5584 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 86.629055][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.630530][ T5584] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.631664][ T5584] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.632565][ T5584] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.633498][ T5584] sp : ffff800022217640 [ 86.634110][ T5584] x29: ffff800022217760 x28: 000000000000cfff x27: 0000000000000000 [ 86.635276][ T5584] x26: dfff800000000000 x25: ffff0000da7ac000 x24: ffff0000dec20000 [ 86.636530][ T5584] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff9f8 [ 86.637697][ T5584] x20: ffff0000c52ff9a0 x19: 1fffe00018a5ff3f x18: 0000000000000001 [ 86.638865][ T5584] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.640012][ T5584] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.641261][ T5584] x11: 0000000000000000 x10: 0000000000000000 x9 : 1b8cc15194ded000 [ 86.642527][ T5584] x8 : 1b8cc15194ded000 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.643589][ T5584] x5 : ffff800022216f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.644946][ T5584] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.646204][ T5584] Call trace: [ 86.646705][ T5584] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.647535][ T5584] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.648462][ T5584] btrfs_prealloc_file_range+0x60/0x7c [ 86.649317][ T5584] btrfs_fallocate+0x1330/0x1614 [ 86.650039][ T5584] vfs_fallocate+0x4a4/0x5f4 [ 86.650715][ T5584] __arm64_sys_fallocate+0xc0/0x110 [ 86.651445][ T5584] invoke_syscall+0x98/0x2b8 [ 86.652174][ T5584] el0_svc_common+0x138/0x258 [ 86.652863][ T5584] do_el0_svc+0x58/0x14c [ 86.653478][ T5584] el0_svc+0x78/0x1e0 [ 86.654042][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 86.654808][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 86.655488][ T5584] irq event stamp: 78932 [ 86.656088][ T5584] hardirqs last enabled at (78931): [] __up_console_sem+0xb4/0x100 [ 86.657484][ T5584] hardirqs last disabled at (78932): [] el1_dbg+0x24/0x80 [ 86.658685][ T5584] softirqs last enabled at (78910): [] handle_softirqs+0xa4c/0xbf0 [ 86.660054][ T5584] softirqs last disabled at (78879): [] __irq_exit_rcu+0x240/0x440 [ 86.661348][ T5584] ---[ end trace 0596062c0f388a5c ]--- [ 86.664400][ T5584] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.665925][ T5584] BTRFS info (device loop0): forced readonly [ 86.798684][ T5606] loop0: detected capacity change from 0 to 32768 [ 86.882992][ T5606] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5606) [ 86.886090][ T5606] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 86.887958][ T5606] BTRFS info (device loop0): using free space tree [ 86.889252][ T5606] BTRFS info (device loop0): has skinny extents [ 86.896962][ T5606] BTRFS info (device loop0): enabling ssd optimizations [ 86.901315][ T5606] FAULT_INJECTION: forcing a failure. [ 86.901315][ T5606] name failslab, interval 1, probability 0, space 0, times 0 [ 86.903111][ T5606] CPU: 1 PID: 5606 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 86.904298][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.905842][ T5606] Call trace: [ 86.906325][ T5606] dump_backtrace+0x0/0x43c [ 86.907021][ T5606] show_stack+0x2c/0x3c [ 86.907665][ T5606] __dump_stack+0x30/0x40 [ 86.908349][ T5606] dump_stack_lvl+0xf8/0x160 [ 86.909066][ T5606] dump_stack+0x1c/0x5c [ 86.909715][ T5606] should_fail+0x3c0/0x51c [ 86.910356][ T5606] __should_failslab+0xbc/0x10c [ 86.911108][ T5606] should_failslab+0x10/0x28 [ 86.911848][ T5606] slab_pre_alloc_hook+0x64/0xec [ 86.912576][ T5606] kmem_cache_alloc+0x94/0x3e4 [ 86.913347][ T5606] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.914226][ T5606] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.915171][ T5606] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.916029][ T5606] btrfs_replace_file_extents+0xa68/0x1290 [ 86.916911][ T5606] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.917748][ T5606] btrfs_prealloc_file_range+0x60/0x7c [ 86.918614][ T5606] btrfs_fallocate+0x1330/0x1614 [ 86.919283][ T5606] vfs_fallocate+0x4a4/0x5f4 [ 86.919894][ T5606] __arm64_sys_fallocate+0xc0/0x110 [ 86.920667][ T5606] invoke_syscall+0x98/0x2b8 [ 86.921371][ T5606] el0_svc_common+0x138/0x258 [ 86.922117][ T5606] do_el0_svc+0x58/0x14c [ 86.922727][ T5606] el0_svc+0x78/0x1e0 [ 86.923319][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 86.924097][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 86.926956][ T5606] ------------[ cut here ]------------ [ 86.927929][ T5606] WARNING: CPU: 1 PID: 5606 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.929470][ T5606] Modules linked in: [ 86.930120][ T5606] CPU: 1 PID: 5606 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 86.931444][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.932941][ T5606] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.934179][ T5606] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.935063][ T5606] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.935954][ T5606] sp : ffff800022217640 [ 86.936608][ T5606] x29: ffff800022217760 x28: 000000000000cfff x27: 0000000000000000 [ 86.937791][ T5606] x26: dfff800000000000 x25: ffff0000d0be6000 x24: ffff0000dec21d70 [ 86.938990][ T5606] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ffb58 [ 86.940170][ T5606] x20: ffff0000c52ffb00 x19: 1fffe00018a5ff6b x18: 0000000000000001 [ 86.941294][ T5606] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.942468][ T5606] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.943632][ T5606] x11: 0000000000000000 x10: 0000000000000000 x9 : 49c6b493816c2200 [ 86.944772][ T5606] x8 : 49c6b493816c2200 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.945896][ T5606] x5 : ffff800022216f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.947111][ T5606] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.948228][ T5606] Call trace: [ 86.948683][ T5606] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.949609][ T5606] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.950392][ T5606] btrfs_prealloc_file_range+0x60/0x7c [ 86.951143][ T5606] btrfs_fallocate+0x1330/0x1614 [ 86.951801][ T5606] vfs_fallocate+0x4a4/0x5f4 [ 86.952443][ T5606] __arm64_sys_fallocate+0xc0/0x110 [ 86.953163][ T5606] invoke_syscall+0x98/0x2b8 [ 86.953801][ T5606] el0_svc_common+0x138/0x258 [ 86.954458][ T5606] do_el0_svc+0x58/0x14c [ 86.955079][ T5606] el0_svc+0x78/0x1e0 [ 86.955630][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 86.956400][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 86.957040][ T5606] irq event stamp: 78652 [ 86.957642][ T5606] hardirqs last enabled at (78651): [] __up_console_sem+0xb4/0x100 [ 86.959009][ T5606] hardirqs last disabled at (78652): [] el1_dbg+0x24/0x80 [ 86.960295][ T5606] softirqs last enabled at (78630): [] handle_softirqs+0xa4c/0xbf0 [ 86.961622][ T5606] softirqs last disabled at (78615): [] __irq_exit_rcu+0x240/0x440 [ 86.962981][ T5606] ---[ end trace 0596062c0f388a5d ]--- [ 86.966206][ T5606] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.967802][ T5606] BTRFS info (device loop0): forced readonly [ 87.102214][ T5628] loop0: detected capacity change from 0 to 32768 [ 87.140020][ T5628] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5628) [ 87.147656][ T5628] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.149410][ T5628] BTRFS info (device loop0): using free space tree [ 87.150752][ T5628] BTRFS info (device loop0): has skinny extents [ 87.157713][ T5628] BTRFS info (device loop0): enabling ssd optimizations [ 87.161013][ T5628] FAULT_INJECTION: forcing a failure. [ 87.161013][ T5628] name failslab, interval 1, probability 0, space 0, times 0 [ 87.163028][ T5628] CPU: 1 PID: 5628 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.164345][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.165826][ T5628] Call trace: [ 87.166310][ T5628] dump_backtrace+0x0/0x43c [ 87.166990][ T5628] show_stack+0x2c/0x3c [ 87.167640][ T5628] __dump_stack+0x30/0x40 [ 87.168297][ T5628] dump_stack_lvl+0xf8/0x160 [ 87.169010][ T5628] dump_stack+0x1c/0x5c [ 87.169659][ T5628] should_fail+0x3c0/0x51c [ 87.170287][ T5628] __should_failslab+0xbc/0x10c [ 87.171028][ T5628] should_failslab+0x10/0x28 [ 87.171765][ T5628] slab_pre_alloc_hook+0x64/0xec [ 87.172507][ T5628] kmem_cache_alloc+0x94/0x3e4 [ 87.173225][ T5628] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.174060][ T5628] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 87.174976][ T5628] btrfs_insert_replace_extent+0x7e4/0x970 [ 87.175796][ T5628] btrfs_replace_file_extents+0xa68/0x1290 [ 87.176624][ T5628] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.177498][ T5628] btrfs_prealloc_file_range+0x60/0x7c [ 87.178341][ T5628] btrfs_fallocate+0x1330/0x1614 [ 87.179116][ T5628] vfs_fallocate+0x4a4/0x5f4 [ 87.179831][ T5628] __arm64_sys_fallocate+0xc0/0x110 [ 87.180590][ T5628] invoke_syscall+0x98/0x2b8 [ 87.181297][ T5628] el0_svc_common+0x138/0x258 [ 87.181927][ T5628] do_el0_svc+0x58/0x14c [ 87.182552][ T5628] el0_svc+0x78/0x1e0 [ 87.183116][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 87.183828][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 87.185966][ T5628] ------------[ cut here ]------------ [ 87.186924][ T5628] WARNING: CPU: 1 PID: 5628 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 87.188386][ T5628] Modules linked in: [ 87.188933][ T5628] CPU: 1 PID: 5628 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.190094][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.191524][ T5628] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.192630][ T5628] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.193584][ T5628] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.194459][ T5628] sp : ffff800022067640 [ 87.195055][ T5628] x29: ffff800022067760 x28: 000000000000cfff x27: 0000000000000000 [ 87.196205][ T5628] x26: dfff800000000000 x25: ffff0000da88e000 x24: ffff0000e2e6b110 [ 87.197387][ T5628] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ffc08 [ 87.198583][ T5628] x20: ffff0000c52ffbb0 x19: 1fffe00018a5ff81 x18: 0000000000000001 [ 87.199695][ T5628] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.200841][ T5628] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.202028][ T5628] x11: 0000000000000000 x10: 0000000000000000 x9 : 82acca3032fbc500 [ 87.203157][ T5628] x8 : 82acca3032fbc500 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.204342][ T5628] x5 : ffff800022066f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.205595][ T5628] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.206872][ T5628] Call trace: [ 87.207386][ T5628] btrfs_replace_file_extents+0xcc4/0x1290 [ 87.208267][ T5628] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.209138][ T5628] btrfs_prealloc_file_range+0x60/0x7c [ 87.209929][ T5628] btrfs_fallocate+0x1330/0x1614 [ 87.210698][ T5628] vfs_fallocate+0x4a4/0x5f4 [ 87.211338][ T5628] __arm64_sys_fallocate+0xc0/0x110 [ 87.212086][ T5628] invoke_syscall+0x98/0x2b8 [ 87.212736][ T5628] el0_svc_common+0x138/0x258 [ 87.213401][ T5628] do_el0_svc+0x58/0x14c [ 87.213996][ T5628] el0_svc+0x78/0x1e0 [ 87.214568][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 87.215305][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 87.215885][ T5628] irq event stamp: 78908 [ 87.216503][ T5628] hardirqs last enabled at (78907): [] __up_console_sem+0xb4/0x100 [ 87.217862][ T5628] hardirqs last disabled at (78908): [] el1_dbg+0x24/0x80 [ 87.219136][ T5628] softirqs last enabled at (78886): [] handle_softirqs+0xa4c/0xbf0 [ 87.220464][ T5628] softirqs last disabled at (78873): [] __irq_exit_rcu+0x240/0x440 [ 87.221798][ T5628] ---[ end trace 0596062c0f388a5e ]--- [ 87.224547][ T5628] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 87.226147][ T5628] BTRFS info (device loop0): forced readonly [ 87.358016][ T5650] loop0: detected capacity change from 0 to 32768 [ 87.365513][ T5650] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5650) [ 87.369924][ T5650] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.371313][ T5650] BTRFS info (device loop0): using free space tree [ 87.372291][ T5650] BTRFS info (device loop0): has skinny extents [ 87.399105][ T5650] BTRFS info (device loop0): enabling ssd optimizations [ 87.402319][ T5650] FAULT_INJECTION: forcing a failure. [ 87.402319][ T5650] name failslab, interval 1, probability 0, space 0, times 0 [ 87.404124][ T5650] CPU: 1 PID: 5650 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 87.405279][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.406733][ T5650] Call trace: [ 87.407198][ T5650] dump_backtrace+0x0/0x43c [ 87.407909][ T5650] show_stack+0x2c/0x3c [ 87.408549][ T5650] __dump_stack+0x30/0x40 [ 87.409236][ T5650] dump_stack_lvl+0xf8/0x160 [ 87.409897][ T5650] dump_stack+0x1c/0x5c [ 87.410522][ T5650] should_fail+0x3c0/0x51c [ 87.411209][ T5650] __should_failslab+0xbc/0x10c [ 87.411932][ T5650] should_failslab+0x10/0x28 [ 87.412632][ T5650] slab_pre_alloc_hook+0x64/0xec [ 87.413381][ T5650] kmem_cache_alloc+0x94/0x3e4 [ 87.414151][ T5650] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.414951][ T5650] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 87.415917][ T5650] btrfs_insert_replace_extent+0x7e4/0x970 [ 87.416726][ T5650] btrfs_replace_file_extents+0xa68/0x1290 [ 87.417503][ T5650] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.418260][ T5650] btrfs_prealloc_file_range+0x60/0x7c [ 87.419043][ T5650] btrfs_fallocate+0x1330/0x1614 [ 87.419745][ T5650] vfs_fallocate+0x4a4/0x5f4 [ 87.420438][ T5650] __arm64_sys_fallocate+0xc0/0x110 [ 87.421232][ T5650] invoke_syscall+0x98/0x2b8 [ 87.421907][ T5650] el0_svc_common+0x138/0x258 [ 87.422625][ T5650] do_el0_svc+0x58/0x14c [ 87.423243][ T5650] el0_svc+0x78/0x1e0 [ 87.423783][ T5650] el0t_64_sync_handler+0xcc/0xe4 [ 87.424491][ T5650] el0t_64_sync+0x1a0/0x1a4 [ 87.426055][ T5650] ------------[ cut here ]------------ [ 87.426973][ T5650] WARNING: CPU: 1 PID: 5650 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 87.428425][ T5650] Modules linked in: [ 87.428994][ T5650] CPU: 1 PID: 5650 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 87.430322][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.431868][ T5650] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.433014][ T5650] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.433907][ T5650] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.434790][ T5650] sp : ffff800022067640 [ 87.435365][ T5650] x29: ffff800022067760 x28: 000000000000cfff x27: 0000000000000000 [ 87.436598][ T5650] x26: dfff800000000000 x25: ffff0000cb432000 x24: ffff0000dec23ae0 [ 87.437827][ T5650] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ffd68 [ 87.438972][ T5650] x20: ffff0000c52ffd10 x19: 1fffe00018a5ffad x18: 0000000000000001 [ 87.440122][ T5650] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.441334][ T5650] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.442485][ T5650] x11: 0000000000000000 x10: 0000000000000000 x9 : 97d29c4e894e8800 [ 87.443686][ T5650] x8 : 97d29c4e894e8800 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.444897][ T5650] x5 : ffff800022066f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.446018][ T5650] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.447190][ T5650] Call trace: [ 87.447631][ T5650] btrfs_replace_file_extents+0xcc4/0x1290 [ 87.448484][ T5650] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.449283][ T5650] btrfs_prealloc_file_range+0x60/0x7c [ 87.450090][ T5650] btrfs_fallocate+0x1330/0x1614 [ 87.450784][ T5650] vfs_fallocate+0x4a4/0x5f4 [ 87.451443][ T5650] __arm64_sys_fallocate+0xc0/0x110 [ 87.452199][ T5650] invoke_syscall+0x98/0x2b8 [ 87.452821][ T5650] el0_svc_common+0x138/0x258 [ 87.453499][ T5650] do_el0_svc+0x58/0x14c [ 87.454145][ T5650] el0_svc+0x78/0x1e0 [ 87.454711][ T5650] el0t_64_sync_handler+0xcc/0xe4 [ 87.455416][ T5650] el0t_64_sync+0x1a0/0x1a4 [ 87.456081][ T5650] irq event stamp: 79110 [ 87.456677][ T5650] hardirqs last enabled at (79109): [] __up_console_sem+0xb4/0x100 [ 87.458040][ T5650] hardirqs last disabled at (79110): [] el1_dbg+0x24/0x80 [ 87.459219][ T5650] softirqs last enabled at (79088): [] handle_softirqs+0xa4c/0xbf0 [ 87.460577][ T5650] softirqs last disabled at (79043): [] __irq_exit_rcu+0x240/0x440 [ 87.461867][ T5650] ---[ end trace 0596062c0f388a5f ]--- [ 87.462957][ T5650] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 87.464553][ T5650] BTRFS info (device loop0): forced readonly [ 87.647801][ T5672] loop0: detected capacity change from 0 to 32768 [ 87.695021][ T5672] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5672) [ 87.697940][ T5672] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.699394][ T5672] BTRFS info (device loop0): using free space tree [ 87.700381][ T5672] BTRFS info (device loop0): has skinny extents [ 87.708585][ T5672] BTRFS info (device loop0): enabling ssd optimizations [ 87.712818][ T5672] FAULT_INJECTION: forcing a failure. [ 87.712818][ T5672] name failslab, interval 1, probability 0, space 0, times 0 [ 87.714628][ T5672] CPU: 1 PID: 5672 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 87.715892][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.717268][ T5672] Call trace: [ 87.717751][ T5672] dump_backtrace+0x0/0x43c [ 87.718404][ T5672] show_stack+0x2c/0x3c [ 87.719032][ T5672] __dump_stack+0x30/0x40 [ 87.719641][ T5672] dump_stack_lvl+0xf8/0x160 [ 87.720337][ T5672] dump_stack+0x1c/0x5c [ 87.720924][ T5672] should_fail+0x3c0/0x51c [ 87.721526][ T5672] __should_failslab+0xbc/0x10c [ 87.722181][ T5672] should_failslab+0x10/0x28 [ 87.722762][ T5672] slab_pre_alloc_hook+0x64/0xec [ 87.723472][ T5672] kmem_cache_alloc+0x94/0x3e4 [ 87.724112][ T5672] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.724858][ T5672] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 87.725764][ T5672] btrfs_insert_replace_extent+0x7e4/0x970 [ 87.726573][ T5672] btrfs_replace_file_extents+0xa68/0x1290 [ 87.727382][ T5672] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.728195][ T5672] btrfs_prealloc_file_range+0x60/0x7c [ 87.728973][ T5672] btrfs_fallocate+0x1330/0x1614 [ 87.729671][ T5672] vfs_fallocate+0x4a4/0x5f4 [ 87.730335][ T5672] __arm64_sys_fallocate+0xc0/0x110 [ 87.731068][ T5672] invoke_syscall+0x98/0x2b8 [ 87.731819][ T5672] el0_svc_common+0x138/0x258 [ 87.732427][ T5672] do_el0_svc+0x58/0x14c [ 87.733083][ T5672] el0_svc+0x78/0x1e0 [ 87.733667][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 87.734371][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 87.735767][ T5672] ------------[ cut here ]------------ [ 87.736693][ T5672] WARNING: CPU: 1 PID: 5672 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 87.738308][ T5672] Modules linked in: [ 87.738870][ T5672] CPU: 1 PID: 5672 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 87.740202][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.741614][ T5672] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.742744][ T5672] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.743651][ T5672] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.744552][ T5672] sp : ffff800022f47640 [ 87.745139][ T5672] x29: ffff800022f47760 x28: 000000000000cfff x27: 0000000000000000 [ 87.746351][ T5672] x26: dfff800000000000 x25: ffff0000d9e0c000 x24: ffff0000dec25850 [ 87.747520][ T5672] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ffec8 [ 87.748721][ T5672] x20: ffff0000c52ffe70 x19: 1fffe00018a5ffd9 x18: 0000000000000001 [ 87.749874][ T5672] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.751029][ T5672] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.752124][ T5672] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f6e46cff8575b00 [ 87.753326][ T5672] x8 : 5f6e46cff8575b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.754463][ T5672] x5 : ffff800022f46f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.755590][ T5672] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.756696][ T5672] Call trace: [ 87.757166][ T5672] btrfs_replace_file_extents+0xcc4/0x1290 [ 87.757998][ T5672] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.758840][ T5672] btrfs_prealloc_file_range+0x60/0x7c [ 87.758856][ T5672] btrfs_fallocate+0x1330/0x1614 [ 87.758862][ T5672] vfs_fallocate+0x4a4/0x5f4 [ 87.758868][ T5672] __arm64_sys_fallocate+0xc0/0x110 [ 87.758874][ T5672] invoke_syscall+0x98/0x2b8 [ 87.758879][ T5672] el0_svc_common+0x138/0x258 [ 87.763099][ T5672] do_el0_svc+0x58/0x14c [ 87.763652][ T5672] el0_svc+0x78/0x1e0 [ 87.764205][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 87.764892][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 87.765529][ T5672] irq event stamp: 78606 [ 87.766107][ T5672] hardirqs last enabled at (78605): [] __up_console_sem+0xb4/0x100 [ 87.767428][ T5672] hardirqs last disabled at (78606): [] el1_dbg+0x24/0x80 [ 87.768603][ T5672] softirqs last enabled at (78584): [] handle_softirqs+0xa4c/0xbf0 [ 87.769892][ T5672] softirqs last disabled at (78573): [] __irq_exit_rcu+0x240/0x440 [ 87.771283][ T5672] ---[ end trace 0596062c0f388a60 ]--- [ 87.772353][ T5672] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 87.773938][ T5672] BTRFS info (device loop0): forced readonly [ 87.906562][ T5694] loop0: detected capacity change from 0 to 32768 [ 87.910619][ T5694] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.50 (5694) [ 87.913893][ T5694] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.915326][ T5694] BTRFS info (device loop0): using free space tree [ 87.916414][ T5694] BTRFS info (device loop0): has skinny extents [ 87.924083][ T5694] BTRFS info (device loop0): enabling ssd optimizations [ 87.930439][ T5694] FAULT_INJECTION: forcing a failure. [ 87.930439][ T5694] name failslab, interval 1, probability 0, space 0, times 0 [ 87.932503][ T5694] CPU: 1 PID: 5694 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 87.933705][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.935191][ T5694] Call trace: [ 87.935706][ T5694] dump_backtrace+0x0/0x43c [ 87.936317][ T5694] show_stack+0x2c/0x3c [ 87.936896][ T5694] __dump_stack+0x30/0x40 [ 87.937476][ T5694] dump_stack_lvl+0xf8/0x160 [ 87.938100][ T5694] dump_stack+0x1c/0x5c [ 87.938707][ T5694] should_fail+0x3c0/0x51c [ 87.939344][ T5694] __should_failslab+0xbc/0x10c [ 87.940054][ T5694] should_failslab+0x10/0x28 [ 87.940699][ T5694] slab_pre_alloc_hook+0x64/0xec [ 87.941419][ T5694] kmem_cache_alloc+0x94/0x3e4 [ 87.942089][ T5694] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.942930][ T5694] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 87.943870][ T5694] btrfs_insert_replace_extent+0x7e4/0x970 [ 87.944668][ T5694] btrfs_replace_file_extents+0xa68/0x1290 [ 87.945460][ T5694] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.946325][ T5694] btrfs_prealloc_file_range+0x60/0x7c [ 87.947202][ T5694] btrfs_fallocate+0x1330/0x1614 [ 87.947902][ T5694] vfs_fallocate+0x4a4/0x5f4 [ 87.948574][ T5694] __arm64_sys_fallocate+0xc0/0x110 [ 87.949362][ T5694] invoke_syscall+0x98/0x2b8 [ 87.949968][ T5694] el0_svc_common+0x138/0x258 [ 87.950679][ T5694] do_el0_svc+0x58/0x14c [ 87.951299][ T5694] el0_svc+0x78/0x1e0 [ 87.951909][ T5694] el0t_64_sync_handler+0xcc/0xe4 [ 87.952653][ T5694] el0t_64_sync+0x1a0/0x1a4 [ 87.954037][ T5694] ------------[ cut here ]------------ [ 87.954967][ T5694] WARNING: CPU: 1 PID: 5694 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 87.956497][ T5694] Modules linked in: [ 87.957072][ T5694] CPU: 1 PID: 5694 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 87.958462][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.959956][ T5694] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.961125][ T5694] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.962080][ T5694] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.962923][ T5694] sp : ffff800023187640 [ 87.963531][ T5694] x29: ffff800023187760 x28: 000000000000cfff x27: 0000000000000000 [ 87.964739][ T5694] x26: dfff800000000000 x25: ffff0000d8b88000 x24: ffff0000dec26bf0 [ 87.965968][ T5694] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000c52ff528 [ 87.967135][ T5694] x20: ffff0000c52ff4d0 x19: 1fffe00018a5fea5 x18: 0000000000000001 [ 87.968369][ T5694] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.969641][ T5694] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.970943][ T5694] x11: 0000000000000000 x10: 0000000000000000 x9 : 5ee7791608440e00 [ 87.972115][ T5694] x8 : 5ee7791608440e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.973286][ T5694] x5 : ffff800023186f38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.974462][ T5694] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.975692][ T5694] Call trace: [ 87.976170][ T5694] btrfs_replace_file_extents+0xcc4/0x1290 [ 87.976978][ T5694] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.977799][ T5694] btrfs_prealloc_file_range+0x60/0x7c [ 87.978532][ T5694] btrfs_fallocate+0x1330/0x1614 [ 87.979259][ T5694] vfs_fallocate+0x4a4/0x5f4 [ 87.979925][ T5694] __arm64_sys_fallocate+0xc0/0x110 [ 87.980670][ T5694] invoke_syscall+0x98/0x2b8 [ 87.981300][ T5694] el0_svc_common+0x138/0x258 [ 87.981976][ T5694] do_el0_svc+0x58/0x14c [ 87.982601][ T5694] el0_svc+0x78/0x1e0 [ 87.983157][ T5694] el0t_64_sync_handler+0xcc/0xe4 [ 87.983870][ T5694] el0t_64_sync+0x1a0/0x1a4 [ 87.984518][ T5694] irq event stamp: 78882 [ 87.985134][ T5694] hardirqs last enabled at (78881): [] __up_console_sem+0xb4/0x100 [ 87.986502][ T5694] hardirqs last disabled at (78882): [] el1_dbg+0x24/0x80 [ 87.987746][ T5694] softirqs last enabled at (78860): [] handle_softirqs+0xa4c/0xbf0 [ 87.989089][ T5694] softirqs last disabled at (78845): [] __irq_exit_rcu+0x240/0x440 [ 87.990409][ T5694] ---[ end trace 0596062c0f388a61 ]--- [ 87.991698][ T5694] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 87.993232][ T5694] BTRFS info (device loop0): forced readonly [ 88.124653][ T5716] loop0: detected capacity change from 0 to 32768 [ 88.169856][ T5716] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.51 (5716)