Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 ignoring optional flag "type"="gce" 1970/01/01 00:01:01 parsed 1 programs [ 62.617562][ T4409] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.477141][ T4516] chnl_net:caif_netlink_parms(): no params data found [ 63.493303][ T4516] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.494576][ T4516] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.496003][ T4516] device bridge_slave_0 entered promiscuous mode [ 63.498511][ T4516] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.499592][ T4516] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.500862][ T4516] device bridge_slave_1 entered promiscuous mode [ 63.508053][ T4516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.510282][ T4516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.518834][ T4516] team0: Port device team_slave_0 added [ 63.520503][ T4516] team0: Port device team_slave_1 added [ 63.527013][ T4516] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.528080][ T4516] 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. [ 63.531968][ T4516] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.534214][ T4516] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.535300][ T4516] 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. [ 63.539306][ T4516] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.597643][ T4516] device hsr_slave_0 entered promiscuous mode [ 63.646960][ T4516] device hsr_slave_1 entered promiscuous mode [ 64.234474][ T4516] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.277848][ T4516] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.328183][ T4516] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.387839][ T4516] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.434052][ T4516] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.435226][ T4516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.436588][ T4516] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.437718][ T4516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.454282][ T4516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.457964][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.459664][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.461067][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.462962][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.466906][ T4516] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.476452][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.478069][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.479420][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.480479][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.481864][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.483339][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.484746][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.485816][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.487857][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.489298][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.490985][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.492796][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.494369][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.495924][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.497855][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.499351][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.500909][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.503801][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.505313][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.508940][ T4516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.554159][ T4516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.559776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.561097][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.562988][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.564518][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.572095][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.573656][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.575494][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.577655][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.579834][ T4516] device veth0_vlan entered promiscuous mode [ 64.582677][ T4516] device veth1_vlan entered promiscuous mode [ 64.591512][ T4516] device veth0_macvtap entered promiscuous mode [ 64.594172][ T4516] device veth1_macvtap entered promiscuous mode [ 64.597692][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.599141][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.600500][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.601940][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.603393][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.607188][ T4516] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.608646][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.610134][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.611679][ T1707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.614857][ T4516] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.617765][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.619322][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.621455][ T4516] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.622878][ T4516] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.624235][ T4516] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.625541][ T4516] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.931025][ T1707] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.133417][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.134792][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.136336][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.155399][ T1607] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.156604][ T1607] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.159362][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.949608][ T1707] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.608202][ T1970] cfg80211: failed to load regulatory.db [ 69.609832][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.610821][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.400254][ T1707] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.460172][ T1707] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:10 executed programs: 0 [ 71.001508][ T4962] chnl_net:caif_netlink_parms(): no params data found [ 71.020718][ T4962] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.021885][ T4962] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.023419][ T4962] device bridge_slave_0 entered promiscuous mode [ 71.025413][ T4962] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.026504][ T4962] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.028519][ T4962] device bridge_slave_1 entered promiscuous mode [ 71.036421][ T4962] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.039494][ T4962] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.050219][ T4962] team0: Port device team_slave_0 added [ 71.052327][ T4962] team0: Port device team_slave_1 added [ 71.059583][ T4962] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.060701][ T4962] 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. [ 71.064792][ T4962] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.067728][ T4962] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.068802][ T4962] 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. [ 71.072847][ T4962] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.148029][ T4962] device hsr_slave_0 entered promiscuous mode [ 71.187182][ T4962] device hsr_slave_1 entered promiscuous mode [ 71.226763][ T4962] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.228056][ T4962] Cannot create hsr debugfs directory [ 71.675282][ T4962] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.708442][ T4962] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.772409][ T4962] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.808110][ T4962] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.859748][ T1707] device hsr_slave_0 left promiscuous mode [ 71.897490][ T1707] device hsr_slave_1 left promiscuous mode [ 71.987050][ T1707] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 71.988210][ T1707] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 71.989664][ T1707] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 71.990774][ T1707] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 71.992169][ T1707] device bridge_slave_1 left promiscuous mode [ 71.993132][ T1707] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.047238][ T1707] device bridge_slave_0 left promiscuous mode [ 72.048384][ T1707] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.176876][ T1707] device veth1_macvtap left promiscuous mode [ 72.177952][ T1707] device veth0_macvtap left promiscuous mode [ 72.178952][ T1707] device veth1_vlan left promiscuous mode [ 72.179899][ T1707] device veth0_vlan left promiscuous mode [ 72.263164][ T1707] team0 (unregistering): Port device team_slave_1 removed [ 72.267984][ T1707] team0 (unregistering): Port device team_slave_0 removed [ 72.271770][ T1707] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.281488][ T1707] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.370886][ T1707] bond0 (unregistering): Released all slaves [ 72.490901][ T4962] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.494744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.496195][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.500183][ T4962] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.503626][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.505248][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.506704][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.507728][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.509919][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.513414][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.515115][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.517622][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.518705][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.524584][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.526216][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.528359][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.530472][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.535497][ T4962] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.540423][ T4962] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.542785][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.544220][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.546062][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.550045][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.551575][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.553146][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.554647][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.559443][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.599612][ T4962] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.607537][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.608696][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.609958][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.611639][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.616581][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.618183][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.620085][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.621412][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.624799][ T4962] device veth0_vlan entered promiscuous mode [ 72.628925][ T4962] device veth1_vlan entered promiscuous mode [ 72.635639][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.637809][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.639343][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.640866][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.643396][ T4962] device veth0_macvtap entered promiscuous mode [ 72.645759][ T4962] device veth1_macvtap entered promiscuous mode [ 72.652628][ T4962] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.653834][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.655224][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.656632][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.659186][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.662494][ T4962] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.664304][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.665851][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.670325][ T4962] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.671673][ T4962] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.673039][ T4962] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.674405][ T4962] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.696080][ T1607] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.697551][ T1607] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.702312][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.709230][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.710540][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.712107][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.850141][ T5081] loop0: detected capacity change from 0 to 32768 [ 72.907153][ T5081] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5081) [ 72.913253][ T5081] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.914594][ T5081] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.915749][ T5081] BTRFS info (device loop0): setting datacow [ 72.916623][ T5081] BTRFS info (device loop0): doing ref verification [ 72.918115][ T5081] BTRFS info (device loop0): force clearing of disk cache [ 72.919252][ T5081] BTRFS info (device loop0): turning off barriers [ 72.920239][ T5081] BTRFS info (device loop0): use zlib compression, level 3 [ 72.921381][ T5081] BTRFS info (device loop0): using free space tree [ 72.922273][ T5081] BTRFS info (device loop0): has skinny extents [ 72.934015][ T5081] BTRFS info (device loop0): clearing free space tree [ 72.935319][ T5081] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.937726][ T5081] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.944539][ T5081] BTRFS info (device loop0): creating free space tree [ 72.946281][ T5081] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.950481][ T5081] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.957844][ T5081] FAULT_INJECTION: forcing a failure. [ 72.957844][ T5081] name failslab, interval 1, probability 0, space 0, times 1 [ 72.959984][ T5081] CPU: 1 PID: 5081 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.961072][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.962549][ T5081] Call trace: [ 72.963051][ T5081] dump_backtrace+0x0/0x43c [ 72.963693][ T5081] show_stack+0x2c/0x3c [ 72.964293][ T5081] __dump_stack+0x30/0x40 [ 72.964918][ T5081] dump_stack_lvl+0xf8/0x160 [ 72.965644][ T5081] dump_stack+0x1c/0x5c [ 72.966212][ T5081] should_fail+0x3c0/0x51c [ 72.966849][ T5081] __should_failslab+0xbc/0x10c [ 72.967576][ T5081] should_failslab+0x10/0x28 [ 72.968262][ T5081] slab_pre_alloc_hook+0x64/0xec [ 72.968954][ T5081] kmem_cache_alloc+0x94/0x3e4 [ 72.969695][ T5081] btrfs_alloc_path+0x5c/0x68 [ 72.970385][ T5081] btrfs_insert_dir_item+0x16c/0x3b8 [ 72.971135][ T5081] btrfs_add_link+0x294/0xa68 [ 72.971752][ T5081] btrfs_create+0x45c/0x508 [ 72.972389][ T5081] path_openat+0x1144/0x26e4 [ 72.973150][ T5081] do_filp_open+0x164/0x330 [ 72.973889][ T5081] do_sys_openat2+0x128/0x3d8 [ 72.974630][ T5081] __arm64_sys_openat+0x120/0x154 [ 72.975450][ T5081] invoke_syscall+0x98/0x2b8 [ 72.976190][ T5081] el0_svc_common+0x138/0x258 [ 72.976972][ T5081] do_el0_svc+0x58/0x14c [ 72.977657][ T5081] el0_svc+0x78/0x1e0 [ 72.978317][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 72.979112][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 72.980875][ T4178] Bluetooth: hci1: command 0x0409 tx timeout [ 72.981800][ T5081] ------------[ cut here ]------------ [ 72.982614][ T5081] WARNING: CPU: 1 PID: 5081 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 72.983921][ T5081] Modules linked in: [ 72.984479][ T5081] CPU: 1 PID: 5081 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.985513][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.986937][ T5081] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.988070][ T5081] pc : btrfs_add_link+0x6e8/0xa68 [ 72.988843][ T5081] lr : btrfs_add_link+0x6e8/0xa68 [ 72.989564][ T5081] sp : ffff80001f6d7580 [ 72.990201][ T5081] x29: ffff80001f6d7680 x28: ffff0000deac2210 x27: 0000000000000108 [ 72.991354][ T5081] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.992519][ T5081] x23: 0000000000000014 x22: 1fffe0001bd5844d x21: ffff700003edaeb8 [ 72.993659][ T5081] x20: 00000000fffffff4 x19: ffff0000deac2268 x18: 0000000000000001 [ 72.994820][ T5081] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 72.995952][ T5081] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.997112][ T5081] x11: 0000000000000000 x10: 0000000000000000 x9 : c03c9f0645598600 [ 72.998301][ T5081] x8 : c03c9f0645598600 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.999496][ T5081] x5 : ffff80001f6d6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 73.000635][ T5081] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.001723][ T5081] Call trace: [ 73.002167][ T5081] btrfs_add_link+0x6e8/0xa68 [ 73.002847][ T5081] btrfs_create+0x45c/0x508 [ 73.003497][ T5081] path_openat+0x1144/0x26e4 [ 73.004189][ T5081] do_filp_open+0x164/0x330 [ 73.004809][ T5081] do_sys_openat2+0x128/0x3d8 [ 73.005502][ T5081] __arm64_sys_openat+0x120/0x154 [ 73.006223][ T5081] invoke_syscall+0x98/0x2b8 [ 73.006878][ T5081] el0_svc_common+0x138/0x258 [ 73.007584][ T5081] do_el0_svc+0x58/0x14c [ 73.008251][ T5081] el0_svc+0x78/0x1e0 [ 73.008836][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 73.009560][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 73.010224][ T5081] irq event stamp: 82858 [ 73.010881][ T5081] hardirqs last enabled at (82857): [] __up_console_sem+0xb4/0x100 [ 73.012282][ T5081] hardirqs last disabled at (82858): [] el1_dbg+0x24/0x80 [ 73.013587][ T5081] softirqs last enabled at (82838): [] handle_softirqs+0xa4c/0xbf0 [ 73.015027][ T5081] softirqs last disabled at (82465): [] __irq_exit_rcu+0x240/0x440 [ 73.016489][ T5081] ---[ end trace 8321087aa8c8c63f ]--- [ 73.017683][ T5081] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 73.019018][ T5081] BTRFS info (device loop0): forced readonly [ 73.202411][ T5122] loop0: detected capacity change from 0 to 32768 [ 73.291140][ T5122] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5122) [ 73.296042][ T5122] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.297761][ T5122] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.299055][ T5122] BTRFS info (device loop0): setting datacow [ 73.299995][ T5122] BTRFS info (device loop0): doing ref verification [ 73.301098][ T5122] BTRFS info (device loop0): force clearing of disk cache [ 73.302214][ T5122] BTRFS info (device loop0): turning off barriers [ 73.303212][ T5122] BTRFS info (device loop0): use zlib compression, level 3 [ 73.304303][ T5122] BTRFS info (device loop0): using free space tree [ 73.305315][ T5122] BTRFS info (device loop0): has skinny extents [ 73.332165][ T5122] BTRFS info (device loop0): clearing free space tree [ 73.333248][ T5122] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.334653][ T5122] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.347460][ T5122] BTRFS info (device loop0): creating free space tree [ 73.348785][ T5122] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.350237][ T5122] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.359156][ T5122] FAULT_INJECTION: forcing a failure. [ 73.359156][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 73.361075][ T5122] CPU: 1 PID: 5122 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 73.362365][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.364121][ T5122] Call trace: [ 73.364628][ T5122] dump_backtrace+0x0/0x43c [ 73.365338][ T5122] show_stack+0x2c/0x3c [ 73.365979][ T5122] __dump_stack+0x30/0x40 [ 73.366594][ T5122] dump_stack_lvl+0xf8/0x160 [ 73.367288][ T5122] dump_stack+0x1c/0x5c [ 73.367900][ T5122] should_fail+0x3c0/0x51c [ 73.368539][ T5122] __should_failslab+0xbc/0x10c [ 73.369299][ T5122] should_failslab+0x10/0x28 [ 73.370040][ T5122] slab_pre_alloc_hook+0x64/0xec [ 73.370751][ T5122] kmem_cache_alloc+0x94/0x3e4 [ 73.371488][ T5122] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 73.372433][ T5122] btrfs_delayed_update_inode+0x3c/0x1b7c [ 73.373302][ T5122] btrfs_update_inode+0x210/0x3d4 [ 73.374038][ T5122] btrfs_create+0x360/0x508 [ 73.374699][ T5122] path_openat+0x1144/0x26e4 [ 73.375401][ T5122] do_filp_open+0x164/0x330 [ 73.376052][ T5122] do_sys_openat2+0x128/0x3d8 [ 73.376761][ T5122] __arm64_sys_openat+0x120/0x154 [ 73.377453][ T5122] invoke_syscall+0x98/0x2b8 [ 73.378119][ T5122] el0_svc_common+0x138/0x258 [ 73.378816][ T5122] do_el0_svc+0x58/0x14c [ 73.379428][ T5122] el0_svc+0x78/0x1e0 [ 73.380020][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 73.380776][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 73.601092][ T5144] loop0: detected capacity change from 0 to 32768 [ 73.604145][ T5144] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5144) [ 73.611510][ T5144] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.612983][ T5144] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.614209][ T5144] BTRFS info (device loop0): setting datacow [ 73.615106][ T5144] BTRFS info (device loop0): doing ref verification [ 73.616161][ T5144] BTRFS info (device loop0): force clearing of disk cache [ 73.617353][ T5144] BTRFS info (device loop0): turning off barriers [ 73.618311][ T5144] BTRFS info (device loop0): use zlib compression, level 3 [ 73.619353][ T5144] BTRFS info (device loop0): using free space tree [ 73.620373][ T5144] BTRFS info (device loop0): has skinny extents [ 73.630836][ T5144] BTRFS info (device loop0): clearing free space tree [ 73.631898][ T5144] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.633349][ T5144] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.636640][ T5144] BTRFS info (device loop0): creating free space tree [ 73.638381][ T5144] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.639604][ T5144] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.643699][ T5144] FAULT_INJECTION: forcing a failure. [ 73.643699][ T5144] name failslab, interval 1, probability 0, space 0, times 0 [ 73.645650][ T5144] CPU: 0 PID: 5144 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 73.647021][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.648716][ T5144] Call trace: [ 73.649225][ T5144] dump_backtrace+0x0/0x43c [ 73.649929][ T5144] show_stack+0x2c/0x3c [ 73.650594][ T5144] __dump_stack+0x30/0x40 [ 73.651283][ T5144] dump_stack_lvl+0xf8/0x160 [ 73.651974][ T5144] dump_stack+0x1c/0x5c [ 73.652598][ T5144] should_fail+0x3c0/0x51c [ 73.653276][ T5144] __should_failslab+0xbc/0x10c [ 73.653940][ T5144] should_failslab+0x10/0x28 [ 73.654574][ T5144] slab_pre_alloc_hook+0x64/0xec [ 73.655306][ T5144] kmem_cache_alloc+0x94/0x3e4 [ 73.655984][ T5144] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 73.656898][ T5144] btrfs_delayed_update_inode+0x3c/0x1b7c [ 73.657804][ T5144] btrfs_update_inode+0x210/0x3d4 [ 73.658562][ T5144] btrfs_create+0x360/0x508 [ 73.659222][ T5144] path_openat+0x1144/0x26e4 [ 73.659950][ T5144] do_filp_open+0x164/0x330 [ 73.660626][ T5144] do_sys_openat2+0x128/0x3d8 [ 73.661286][ T5144] __arm64_sys_openat+0x120/0x154 [ 73.662037][ T5144] invoke_syscall+0x98/0x2b8 [ 73.662653][ T5144] el0_svc_common+0x138/0x258 [ 73.663267][ T5144] do_el0_svc+0x58/0x14c [ 73.663912][ T5144] el0_svc+0x78/0x1e0 [ 73.664507][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 73.665251][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 73.854900][ T5165] loop0: detected capacity change from 0 to 32768 [ 73.858574][ T5165] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5165) [ 73.872376][ T5165] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.873701][ T5165] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.874937][ T5165] BTRFS info (device loop0): setting datacow [ 73.875871][ T5165] BTRFS info (device loop0): doing ref verification [ 73.878696][ T5165] BTRFS info (device loop0): force clearing of disk cache [ 73.879770][ T5165] BTRFS info (device loop0): turning off barriers [ 73.880753][ T5165] BTRFS info (device loop0): use zlib compression, level 3 [ 73.882003][ T5165] BTRFS info (device loop0): using free space tree [ 73.882898][ T5165] BTRFS info (device loop0): has skinny extents [ 73.897292][ T5165] BTRFS info (device loop0): clearing free space tree [ 73.898373][ T5165] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.899876][ T5165] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.903309][ T5165] BTRFS info (device loop0): creating free space tree [ 73.904669][ T5165] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.906171][ T5165] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.911346][ T5165] FAULT_INJECTION: forcing a failure. [ 73.911346][ T5165] name failslab, interval 1, probability 0, space 0, times 0 [ 73.913342][ T5165] CPU: 1 PID: 5165 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 73.914559][ T5165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.915991][ T5165] Call trace: [ 73.916463][ T5165] dump_backtrace+0x0/0x43c [ 73.917089][ T5165] show_stack+0x2c/0x3c [ 73.917692][ T5165] __dump_stack+0x30/0x40 [ 73.918342][ T5165] dump_stack_lvl+0xf8/0x160 [ 73.919017][ T5165] dump_stack+0x1c/0x5c [ 73.919576][ T5165] should_fail+0x3c0/0x51c [ 73.920242][ T5165] __should_failslab+0xbc/0x10c [ 73.920985][ T5165] should_failslab+0x10/0x28 [ 73.921665][ T5165] slab_pre_alloc_hook+0x64/0xec [ 73.922442][ T5165] kmem_cache_alloc+0x94/0x3e4 [ 73.923229][ T5165] btrfs_alloc_path+0x5c/0x68 [ 73.923970][ T5165] btrfs_insert_dir_item+0x16c/0x3b8 [ 73.924748][ T5165] btrfs_add_link+0x294/0xa68 [ 73.925548][ T5165] btrfs_create+0x45c/0x508 [ 73.926343][ T5165] path_openat+0x1144/0x26e4 [ 73.927052][ T5165] do_filp_open+0x164/0x330 [ 73.927742][ T5165] do_sys_openat2+0x128/0x3d8 [ 73.928442][ T5165] __arm64_sys_openat+0x120/0x154 [ 73.929237][ T5165] invoke_syscall+0x98/0x2b8 [ 73.929912][ T5165] el0_svc_common+0x138/0x258 [ 73.930621][ T5165] do_el0_svc+0x58/0x14c [ 73.931271][ T5165] el0_svc+0x78/0x1e0 [ 73.931910][ T5165] el0t_64_sync_handler+0xcc/0xe4 [ 73.932631][ T5165] el0t_64_sync+0x1a0/0x1a4 [ 73.935095][ T5165] ------------[ cut here ]------------ [ 73.936101][ T5165] WARNING: CPU: 0 PID: 5165 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 73.937480][ T5165] Modules linked in: [ 73.938083][ T5165] CPU: 0 PID: 5165 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 73.939478][ T5165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.941045][ T5165] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.942281][ T5165] pc : btrfs_add_link+0x6e8/0xa68 [ 73.943089][ T5165] lr : btrfs_add_link+0x6e8/0xa68 [ 73.943853][ T5165] sp : ffff800021077580 [ 73.944486][ T5165] x29: ffff800021077680 x28: ffff0000deac2bb0 x27: 0000000000000108 [ 73.945693][ T5165] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 73.946913][ T5165] x23: 0000000000000014 x22: 1fffe0001bd58581 x21: ffff70000420eeb8 [ 73.948099][ T5165] x20: 00000000fffffff4 x19: ffff0000deac2c08 x18: 0000000000000001 [ 73.949298][ T5165] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 73.950516][ T5165] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.951751][ T5165] x11: 0000000000000000 x10: 0000000000000000 x9 : 2cef9853eee6f500 [ 73.953071][ T5165] x8 : 2cef9853eee6f500 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.954324][ T5165] x5 : ffff800021076e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 73.955549][ T5165] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.956787][ T5165] Call trace: [ 73.957301][ T5165] btrfs_add_link+0x6e8/0xa68 [ 73.957985][ T5165] btrfs_create+0x45c/0x508 [ 73.958674][ T5165] path_openat+0x1144/0x26e4 [ 73.959363][ T5165] do_filp_open+0x164/0x330 [ 73.960025][ T5165] do_sys_openat2+0x128/0x3d8 [ 73.960731][ T5165] __arm64_sys_openat+0x120/0x154 [ 73.961487][ T5165] invoke_syscall+0x98/0x2b8 [ 73.962195][ T5165] el0_svc_common+0x138/0x258 [ 73.962931][ T5165] do_el0_svc+0x58/0x14c [ 73.963519][ T5165] el0_svc+0x78/0x1e0 [ 73.964076][ T5165] el0t_64_sync_handler+0xcc/0xe4 [ 73.964791][ T5165] el0t_64_sync+0x1a0/0x1a4 [ 73.965432][ T5165] irq event stamp: 81176 [ 73.966063][ T5165] hardirqs last enabled at (81175): [] __up_console_sem+0xb4/0x100 [ 73.967425][ T5165] hardirqs last disabled at (81176): [] el1_dbg+0x24/0x80 [ 73.968617][ T5165] softirqs last enabled at (81156): [] handle_softirqs+0xa4c/0xbf0 [ 73.969903][ T5165] softirqs last disabled at (81135): [] __irq_exit_rcu+0x240/0x440 [ 73.971307][ T5165] ---[ end trace 8321087aa8c8c640 ]--- [ 73.972623][ T5165] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 73.974001][ T5165] BTRFS info (device loop0): forced readonly [ 74.147001][ T5190] loop0: detected capacity change from 0 to 32768 [ 74.201078][ T5190] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5190) [ 74.204969][ T5190] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.206250][ T5190] BTRFS info (device loop0): setting nodatacow, compression disabled [ 74.207624][ T5190] BTRFS info (device loop0): setting datacow [ 74.208497][ T5190] BTRFS info (device loop0): doing ref verification [ 74.209412][ T5190] BTRFS info (device loop0): force clearing of disk cache [ 74.210494][ T5190] BTRFS info (device loop0): turning off barriers [ 74.211438][ T5190] BTRFS info (device loop0): use zlib compression, level 3 [ 74.212439][ T5190] BTRFS info (device loop0): using free space tree [ 74.213442][ T5190] BTRFS info (device loop0): has skinny extents [ 74.224037][ T5190] BTRFS info (device loop0): clearing free space tree [ 74.225118][ T5190] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.226558][ T5190] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.230488][ T5190] BTRFS info (device loop0): creating free space tree [ 74.231867][ T5190] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.233430][ T5190] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.237751][ T5190] FAULT_INJECTION: forcing a failure. [ 74.237751][ T5190] name failslab, interval 1, probability 0, space 0, times 0 [ 74.239668][ T5190] CPU: 0 PID: 5190 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 74.240979][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.242513][ T5190] Call trace: [ 74.242966][ T5190] dump_backtrace+0x0/0x43c [ 74.243681][ T5190] show_stack+0x2c/0x3c [ 74.244299][ T5190] __dump_stack+0x30/0x40 [ 74.244963][ T5190] dump_stack_lvl+0xf8/0x160 [ 74.245659][ T5190] dump_stack+0x1c/0x5c [ 74.246310][ T5190] should_fail+0x3c0/0x51c [ 74.246976][ T5190] __should_failslab+0xbc/0x10c [ 74.247749][ T5190] should_failslab+0x10/0x28 [ 74.248474][ T5190] slab_pre_alloc_hook+0x64/0xec [ 74.249224][ T5190] kmem_cache_alloc+0x94/0x3e4 [ 74.249919][ T5190] security_inode_alloc+0x38/0x11c [ 74.250672][ T5190] inode_init_always+0x670/0xa84 [ 74.251474][ T5190] new_inode_pseudo+0x7c/0x1fc [ 74.252202][ T5190] new_inode+0x38/0x174 [ 74.252846][ T5190] btrfs_new_inode+0x148/0x1538 [ 74.253591][ T5190] btrfs_create+0x248/0x508 [ 74.254245][ T5190] path_openat+0x1144/0x26e4 [ 74.254901][ T5190] do_filp_open+0x164/0x330 [ 74.255562][ T5190] do_sys_openat2+0x128/0x3d8 [ 74.256277][ T5190] __arm64_sys_openat+0x120/0x154 [ 74.257010][ T5190] invoke_syscall+0x98/0x2b8 [ 74.257674][ T5190] el0_svc_common+0x138/0x258 [ 74.258334][ T5190] do_el0_svc+0x58/0x14c [ 74.258968][ T5190] el0_svc+0x78/0x1e0 [ 74.259530][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 74.260231][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 74.403837][ T5213] loop0: detected capacity change from 0 to 32768 [ 74.412471][ T5213] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5213) [ 74.417317][ T5213] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.418686][ T5213] BTRFS info (device loop0): setting nodatacow, compression disabled [ 74.419969][ T5213] BTRFS info (device loop0): setting datacow [ 74.420895][ T5213] BTRFS info (device loop0): doing ref verification [ 74.421930][ T5213] BTRFS info (device loop0): force clearing of disk cache [ 74.423045][ T5213] BTRFS info (device loop0): turning off barriers [ 74.424072][ T5213] BTRFS info (device loop0): use zlib compression, level 3 [ 74.425140][ T5213] BTRFS info (device loop0): using free space tree [ 74.426151][ T5213] BTRFS info (device loop0): has skinny extents [ 74.434389][ T5213] BTRFS info (device loop0): clearing free space tree [ 74.435474][ T5213] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.437716][ T5213] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.440866][ T5213] BTRFS info (device loop0): creating free space tree [ 74.442265][ T5213] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.443675][ T5213] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.449713][ T5213] FAULT_INJECTION: forcing a failure. [ 74.449713][ T5213] name failslab, interval 1, probability 0, space 0, times 0 [ 74.451728][ T5213] CPU: 0 PID: 5213 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 74.453019][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.454511][ T5213] Call trace: [ 74.454990][ T5213] dump_backtrace+0x0/0x43c [ 74.455697][ T5213] show_stack+0x2c/0x3c [ 74.456312][ T5213] __dump_stack+0x30/0x40 [ 74.456912][ T5213] dump_stack_lvl+0xf8/0x160 [ 74.457605][ T5213] dump_stack+0x1c/0x5c [ 74.458174][ T5213] should_fail+0x3c0/0x51c [ 74.458853][ T5213] __should_failslab+0xbc/0x10c [ 74.459593][ T5213] should_failslab+0x10/0x28 [ 74.460225][ T5213] slab_pre_alloc_hook+0x64/0xec [ 74.460937][ T5213] kmem_cache_alloc+0x94/0x3e4 [ 74.461608][ T5213] btrfs_alloc_path+0x5c/0x68 [ 74.462346][ T5213] btrfs_insert_dir_item+0x16c/0x3b8 [ 74.463185][ T5213] btrfs_add_link+0x294/0xa68 [ 74.463837][ T5213] btrfs_create+0x45c/0x508 [ 74.464430][ T5213] path_openat+0x1144/0x26e4 [ 74.465075][ T5213] do_filp_open+0x164/0x330 [ 74.465711][ T5213] do_sys_openat2+0x128/0x3d8 [ 74.466411][ T5213] __arm64_sys_openat+0x120/0x154 [ 74.467104][ T5213] invoke_syscall+0x98/0x2b8 [ 74.467763][ T5213] el0_svc_common+0x138/0x258 [ 74.468429][ T5213] do_el0_svc+0x58/0x14c [ 74.469102][ T5213] el0_svc+0x78/0x1e0 [ 74.469634][ T5213] el0t_64_sync_handler+0xcc/0xe4 [ 74.470350][ T5213] el0t_64_sync+0x1a0/0x1a4 [ 74.471889][ T5213] ------------[ cut here ]------------ [ 74.472854][ T5213] WARNING: CPU: 0 PID: 5213 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 74.474165][ T5213] Modules linked in: [ 74.474712][ T5213] CPU: 0 PID: 5213 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 74.476003][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.477431][ T5213] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.478686][ T5213] pc : btrfs_add_link+0x6e8/0xa68 [ 74.479461][ T5213] lr : btrfs_add_link+0x6e8/0xa68 [ 74.480232][ T5213] sp : ffff800021527580 [ 74.480857][ T5213] x29: ffff800021527680 x28: ffff0000deabe8f0 x27: 0000000000000108 [ 74.482034][ T5213] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 74.483181][ T5213] x23: 0000000000000014 x22: 1fffe0001bd57d29 x21: ffff7000042a4eb8 [ 74.484387][ T5213] x20: 00000000fffffff4 x19: ffff0000deabe948 x18: 0000000000000001 [ 74.485581][ T5213] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 74.486790][ T5213] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.488073][ T5213] x11: 0000000000000000 x10: 0000000000000000 x9 : bf14fceff1df1f00 [ 74.489382][ T5213] x8 : bf14fceff1df1f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.490625][ T5213] x5 : ffff800021526e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 74.491885][ T5213] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.493125][ T5213] Call trace: [ 74.493632][ T5213] btrfs_add_link+0x6e8/0xa68 [ 74.494321][ T5213] btrfs_create+0x45c/0x508 [ 74.495019][ T5213] path_openat+0x1144/0x26e4 [ 74.495705][ T5213] do_filp_open+0x164/0x330 [ 74.496341][ T5213] do_sys_openat2+0x128/0x3d8 [ 74.497034][ T5213] __arm64_sys_openat+0x120/0x154 [ 74.497728][ T5213] invoke_syscall+0x98/0x2b8 [ 74.498400][ T5213] el0_svc_common+0x138/0x258 [ 74.499088][ T5213] do_el0_svc+0x58/0x14c [ 74.499699][ T5213] el0_svc+0x78/0x1e0 [ 74.500256][ T5213] el0t_64_sync_handler+0xcc/0xe4 [ 74.500992][ T5213] el0t_64_sync+0x1a0/0x1a4 [ 74.501613][ T5213] irq event stamp: 80740 [ 74.502238][ T5213] hardirqs last enabled at (80739): [] __up_console_sem+0xb4/0x100 [ 74.503643][ T5213] hardirqs last disabled at (80740): [] el1_dbg+0x24/0x80 [ 74.504914][ T5213] softirqs last enabled at (80720): [] handle_softirqs+0xa4c/0xbf0 [ 74.506279][ T5213] softirqs last disabled at (80603): [] __irq_exit_rcu+0x240/0x440 [ 74.507571][ T5213] ---[ end trace 8321087aa8c8c641 ]--- [ 74.510047][ T5213] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 74.511554][ T5213] BTRFS info (device loop0): forced readonly [ 74.689815][ T5235] loop0: detected capacity change from 0 to 32768 [ 74.755126][ T5235] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5235) [ 74.759679][ T5235] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.761057][ T5235] BTRFS info (device loop0): setting nodatacow, compression disabled [ 74.762345][ T5235] BTRFS info (device loop0): setting datacow [ 74.763299][ T5235] BTRFS info (device loop0): doing ref verification [ 74.764294][ T5235] BTRFS info (device loop0): force clearing of disk cache [ 74.765504][ T5235] BTRFS info (device loop0): turning off barriers [ 74.766470][ T5235] BTRFS info (device loop0): use zlib compression, level 3 [ 74.780370][ T5235] FAULT_INJECTION: forcing a failure. [ 74.780370][ T5235] name failslab, interval 1, probability 0, space 0, times 0 [ 74.782414][ T5235] CPU: 1 PID: 5235 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 74.783759][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.785305][ T5235] Call trace: [ 74.785778][ T5235] dump_backtrace+0x0/0x43c [ 74.786458][ T5235] show_stack+0x2c/0x3c [ 74.787074][ T5235] __dump_stack+0x30/0x40 [ 74.787781][ T5235] dump_stack_lvl+0xf8/0x160 [ 74.788498][ T5235] dump_stack+0x1c/0x5c [ 74.789120][ T5235] should_fail+0x3c0/0x51c [ 74.789795][ T5235] __should_failslab+0xbc/0x10c [ 74.790525][ T5235] should_failslab+0x10/0x28 [ 74.791158][ T5235] slab_pre_alloc_hook+0x64/0xec [ 74.791877][ T5235] kmem_cache_alloc+0x94/0x3e4 [ 74.792561][ T5235] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 74.793588][ T5235] btrfs_delayed_update_inode+0x3c/0x1b7c [ 74.794545][ T5235] btrfs_update_inode+0x210/0x3d4 [ 74.795305][ T5235] btrfs_create+0x360/0x508 [ 74.796058][ T5235] path_openat+0x1144/0x26e4 [ 74.796790][ T5235] do_filp_open+0x164/0x330 [ 74.797467][ T5235] do_sys_openat2+0x128/0x3d8 [ 74.798182][ T5235] __arm64_sys_openat+0x120/0x154 [ 74.798940][ T5235] invoke_syscall+0x98/0x2b8 [ 74.799681][ T5235] el0_svc_common+0x138/0x258 [ 74.800336][ T5235] do_el0_svc+0x58/0x14c [ 74.800965][ T5235] el0_svc+0x78/0x1e0 [ 74.801549][ T5235] el0t_64_sync_handler+0xcc/0xe4 [ 74.802266][ T5235] el0t_64_sync+0x1a0/0x1a4 [ 74.940649][ T5257] loop0: detected capacity change from 0 to 32768 [ 74.968019][ T5257] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5257) [ 75.032922][ T5257] FAULT_INJECTION: forcing a failure. [ 75.032922][ T5257] name failslab, interval 1, probability 0, space 0, times 0 [ 75.034810][ T5257] CPU: 0 PID: 5257 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 75.036041][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.037470][ T5257] Call trace: [ 75.037953][ T5257] dump_backtrace+0x0/0x43c [ 75.038737][ T5257] show_stack+0x2c/0x3c [ 75.039452][ T5257] __dump_stack+0x30/0x40 [ 75.040144][ T5257] dump_stack_lvl+0xf8/0x160 [ 75.040862][ T5257] dump_stack+0x1c/0x5c [ 75.041536][ T5257] should_fail+0x3c0/0x51c [ 75.042220][ T5257] __should_failslab+0xbc/0x10c [ 75.042962][ T5257] should_failslab+0x10/0x28 [ 75.043649][ T5257] slab_pre_alloc_hook+0x64/0xec [ 75.044362][ T5257] kmem_cache_alloc+0x94/0x3e4 [ 75.045126][ T5257] btrfs_alloc_path+0x5c/0x68 [ 75.045843][ T5257] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.046604][ T5257] btrfs_add_link+0x294/0xa68 [ 75.047310][ T5257] btrfs_create+0x45c/0x508 [ 75.048002][ T5257] path_openat+0x1144/0x26e4 [ 75.048688][ T5257] do_filp_open+0x164/0x330 [ 75.049426][ T5257] do_sys_openat2+0x128/0x3d8 [ 75.050122][ T5257] __arm64_sys_openat+0x120/0x154 [ 75.050914][ T5257] invoke_syscall+0x98/0x2b8 [ 75.051588][ T5257] el0_svc_common+0x138/0x258 [ 75.052300][ T5257] do_el0_svc+0x58/0x14c [ 75.052961][ T5257] el0_svc+0x78/0x1e0 [ 75.053586][ T5257] el0t_64_sync_handler+0xcc/0xe4 [ 75.054341][ T5257] el0t_64_sync+0x1a0/0x1a4 [ 75.055775][ T5257] ------------[ cut here ]------------ [ 75.057094][ T4065] Bluetooth: hci1: command 0x041b tx timeout [ 75.058098][ T5257] WARNING: CPU: 0 PID: 5257 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.059510][ T5257] Modules linked in: [ 75.060073][ T5257] CPU: 0 PID: 5257 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 75.061335][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.062893][ T5257] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.064036][ T5257] pc : btrfs_add_link+0x6e8/0xa68 [ 75.064763][ T5257] lr : btrfs_add_link+0x6e8/0xa68 [ 75.065483][ T5257] sp : ffff800021ae7580 [ 75.066093][ T5257] x29: ffff800021ae7680 x28: ffff0000deabec60 x27: 0000000000000108 [ 75.067299][ T5257] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.068497][ T5257] x23: 0000000000000014 x22: 1fffe0001bd57d97 x21: ffff70000435ceb8 [ 75.069822][ T5257] x20: 00000000fffffff4 x19: ffff0000deabecb8 x18: 0000000000000001 [ 75.071095][ T5257] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 0000000000000012 [ 75.072296][ T5257] x14: 0000000000000000 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 75.073680][ T5257] x11: 0000000000000000 x10: 0000000000000000 x9 : 57e68697c33fd800 [ 75.074959][ T5257] x8 : 57e68697c33fd800 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.076216][ T5257] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff8000085043fc [ 75.077500][ T5257] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.078773][ T5257] Call trace: [ 75.079278][ T5257] btrfs_add_link+0x6e8/0xa68 [ 75.080007][ T5257] btrfs_create+0x45c/0x508 [ 75.080766][ T5257] path_openat+0x1144/0x26e4 [ 75.081452][ T5257] do_filp_open+0x164/0x330 [ 75.082166][ T5257] do_sys_openat2+0x128/0x3d8 [ 75.082933][ T5257] __arm64_sys_openat+0x120/0x154 [ 75.083735][ T5257] invoke_syscall+0x98/0x2b8 [ 75.084406][ T5257] el0_svc_common+0x138/0x258 [ 75.085124][ T5257] do_el0_svc+0x58/0x14c [ 75.085777][ T5257] el0_svc+0x78/0x1e0 [ 75.086374][ T5257] el0t_64_sync_handler+0xcc/0xe4 [ 75.087174][ T5257] el0t_64_sync+0x1a0/0x1a4 [ 75.087884][ T5257] irq event stamp: 80162 [ 75.088511][ T5257] hardirqs last enabled at (80161): [] console_unlock+0xc6c/0x133c [ 75.089988][ T5257] hardirqs last disabled at (80162): [] el1_dbg+0x24/0x80 [ 75.091385][ T5257] softirqs last enabled at (80138): [] handle_softirqs+0xa4c/0xbf0 [ 75.092860][ T5257] softirqs last disabled at (80085): [] __irq_exit_rcu+0x240/0x440 [ 75.094317][ T5257] ---[ end trace 8321087aa8c8c642 ]--- [ 75.096328][ T5257] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.233032][ T5280] loop0: detected capacity change from 0 to 32768 [ 75.260001][ T5280] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5280) [ 75.287037][ T5280] FAULT_INJECTION: forcing a failure. [ 75.287037][ T5280] name failslab, interval 1, probability 0, space 0, times 0 [ 75.289137][ T5280] CPU: 0 PID: 5280 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 75.290431][ T5280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.291951][ T5280] Call trace: [ 75.292486][ T5280] dump_backtrace+0x0/0x43c [ 75.293158][ T5280] show_stack+0x2c/0x3c [ 75.293745][ T5280] __dump_stack+0x30/0x40 [ 75.294362][ T5280] dump_stack_lvl+0xf8/0x160 [ 75.294979][ T5280] dump_stack+0x1c/0x5c [ 75.295611][ T5280] should_fail+0x3c0/0x51c [ 75.296305][ T5280] __should_failslab+0xbc/0x10c [ 75.297035][ T5280] should_failslab+0x10/0x28 [ 75.297740][ T5280] slab_pre_alloc_hook+0x64/0xec [ 75.298451][ T5280] kmem_cache_alloc+0x94/0x3e4 [ 75.299207][ T5280] btrfs_alloc_path+0x5c/0x68 [ 75.299949][ T5280] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.300749][ T5280] btrfs_add_link+0x294/0xa68 [ 75.301451][ T5280] btrfs_create+0x45c/0x508 [ 75.302144][ T5280] path_openat+0x1144/0x26e4 [ 75.302816][ T5280] do_filp_open+0x164/0x330 [ 75.303483][ T5280] do_sys_openat2+0x128/0x3d8 [ 75.304210][ T5280] __arm64_sys_openat+0x120/0x154 [ 75.304967][ T5280] invoke_syscall+0x98/0x2b8 [ 75.305666][ T5280] el0_svc_common+0x138/0x258 [ 75.306372][ T5280] do_el0_svc+0x58/0x14c [ 75.306972][ T5280] el0_svc+0x78/0x1e0 [ 75.307573][ T5280] el0t_64_sync_handler+0xcc/0xe4 [ 75.308232][ T5280] el0t_64_sync+0x1a0/0x1a4 [ 75.311418][ T5280] ------------[ cut here ]------------ [ 75.312383][ T5280] WARNING: CPU: 0 PID: 5280 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.313786][ T5280] Modules linked in: [ 75.314395][ T5280] CPU: 0 PID: 5280 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 75.315634][ T5280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.317134][ T5280] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.318368][ T5280] pc : btrfs_add_link+0x6e8/0xa68 [ 75.319123][ T5280] lr : btrfs_add_link+0x6e8/0xa68 [ 75.319901][ T5280] sp : ffff800021c67580 [ 75.320484][ T5280] x29: ffff800021c67680 x28: ffff0000deabedc0 x27: 0000000000000108 [ 75.321599][ T5280] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.322726][ T5280] x23: 0000000000000014 x22: 1fffe0001bd57dc3 x21: ffff70000438ceb8 [ 75.323859][ T5280] x20: 00000000fffffff4 x19: ffff0000deabee18 x18: 0000000000000001 [ 75.325011][ T5280] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 75.326145][ T5280] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.327290][ T5280] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f00a435ef2b7600 [ 75.328439][ T5280] x8 : 5f00a435ef2b7600 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.329566][ T5280] x5 : ffff800021c66e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 75.330710][ T5280] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.331838][ T5280] Call trace: [ 75.332311][ T5280] btrfs_add_link+0x6e8/0xa68 [ 75.332995][ T5280] btrfs_create+0x45c/0x508 [ 75.333640][ T5280] path_openat+0x1144/0x26e4 [ 75.334301][ T5280] do_filp_open+0x164/0x330 [ 75.334979][ T5280] do_sys_openat2+0x128/0x3d8 [ 75.335668][ T5280] __arm64_sys_openat+0x120/0x154 [ 75.336421][ T5280] invoke_syscall+0x98/0x2b8 [ 75.337086][ T5280] el0_svc_common+0x138/0x258 [ 75.337780][ T5280] do_el0_svc+0x58/0x14c [ 75.338378][ T5280] el0_svc+0x78/0x1e0 [ 75.339003][ T5280] el0t_64_sync_handler+0xcc/0xe4 [ 75.339688][ T5280] el0t_64_sync+0x1a0/0x1a4 [ 75.340373][ T5280] irq event stamp: 80326 [ 75.340947][ T5280] hardirqs last enabled at (80325): [] __up_console_sem+0xb4/0x100 [ 75.342302][ T5280] hardirqs last disabled at (80326): [] el1_dbg+0x24/0x80 [ 75.343635][ T5280] softirqs last enabled at (80306): [] handle_softirqs+0xa4c/0xbf0 [ 75.345001][ T5280] softirqs last disabled at (80261): [] __irq_exit_rcu+0x240/0x440 [ 75.346490][ T5280] ---[ end trace 8321087aa8c8c643 ]--- [ 75.349679][ T5280] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.545037][ T5302] loop0: detected capacity change from 0 to 32768 [ 75.581517][ T5302] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5302) [ 75.601966][ T5302] FAULT_INJECTION: forcing a failure. [ 75.601966][ T5302] name failslab, interval 1, probability 0, space 0, times 0 [ 75.604207][ T5302] CPU: 0 PID: 5302 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 75.605463][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.606952][ T5302] Call trace: [ 75.607428][ T5302] dump_backtrace+0x0/0x43c [ 75.608122][ T5302] show_stack+0x2c/0x3c [ 75.608764][ T5302] __dump_stack+0x30/0x40 [ 75.609447][ T5302] dump_stack_lvl+0xf8/0x160 [ 75.610208][ T5302] dump_stack+0x1c/0x5c [ 75.610859][ T5302] should_fail+0x3c0/0x51c [ 75.611557][ T5302] __should_failslab+0xbc/0x10c [ 75.612272][ T5302] should_failslab+0x10/0x28 [ 75.612975][ T5302] slab_pre_alloc_hook+0x64/0xec [ 75.613719][ T5302] kmem_cache_alloc+0x94/0x3e4 [ 75.614531][ T5302] btrfs_alloc_path+0x5c/0x68 [ 75.615320][ T5302] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.616136][ T5302] btrfs_add_link+0x294/0xa68 [ 75.616844][ T5302] btrfs_create+0x45c/0x508 [ 75.617535][ T5302] path_openat+0x1144/0x26e4 [ 75.618270][ T5302] do_filp_open+0x164/0x330 [ 75.619001][ T5302] do_sys_openat2+0x128/0x3d8 [ 75.619692][ T5302] __arm64_sys_openat+0x120/0x154 [ 75.620413][ T5302] invoke_syscall+0x98/0x2b8 [ 75.621098][ T5302] el0_svc_common+0x138/0x258 [ 75.621750][ T5302] do_el0_svc+0x58/0x14c [ 75.622386][ T5302] el0_svc+0x78/0x1e0 [ 75.623023][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 75.623739][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 75.627038][ T5302] ------------[ cut here ]------------ [ 75.628021][ T5302] WARNING: CPU: 0 PID: 5302 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.629297][ T5302] Modules linked in: [ 75.629831][ T5302] CPU: 0 PID: 5302 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 75.631028][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.632479][ T5302] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.633657][ T5302] pc : btrfs_add_link+0x6e8/0xa68 [ 75.634325][ T5302] lr : btrfs_add_link+0x6e8/0xa68 [ 75.635084][ T5302] sp : ffff800021c87580 [ 75.635723][ T5302] x29: ffff800021c87680 x28: ffff0000deb2f0b0 x27: 0000000000000108 [ 75.636883][ T5302] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.638004][ T5302] x23: 0000000000000014 x22: 1fffe0001bd65e21 x21: ffff700004390eb8 [ 75.639178][ T5302] x20: 00000000fffffff4 x19: ffff0000deb2f108 x18: 0000000000000001 [ 75.640388][ T5302] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 75.641487][ T5302] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.642718][ T5302] x11: 0000000000000000 x10: 0000000000000000 x9 : 0ff4860071590000 [ 75.643879][ T5302] x8 : 0ff4860071590000 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.645024][ T5302] x5 : ffff800021c86e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 75.646270][ T5302] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.647459][ T5302] Call trace: [ 75.647919][ T5302] btrfs_add_link+0x6e8/0xa68 [ 75.648592][ T5302] btrfs_create+0x45c/0x508 [ 75.649238][ T5302] path_openat+0x1144/0x26e4 [ 75.649897][ T5302] do_filp_open+0x164/0x330 [ 75.650589][ T5302] do_sys_openat2+0x128/0x3d8 [ 75.651205][ T5302] __arm64_sys_openat+0x120/0x154 [ 75.651976][ T5302] invoke_syscall+0x98/0x2b8 [ 75.652623][ T5302] el0_svc_common+0x138/0x258 [ 75.653333][ T5302] do_el0_svc+0x58/0x14c [ 75.653939][ T5302] el0_svc+0x78/0x1e0 [ 75.654462][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 75.655168][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 75.655810][ T5302] irq event stamp: 80374 [ 75.656414][ T5302] hardirqs last enabled at (80373): [] __up_console_sem+0xb4/0x100 [ 75.657793][ T5302] hardirqs last disabled at (80374): [] el1_dbg+0x24/0x80 [ 75.659079][ T5302] softirqs last enabled at (80354): [] handle_softirqs+0xa4c/0xbf0 [ 75.660467][ T5302] softirqs last disabled at (80293): [] __irq_exit_rcu+0x240/0x440 [ 75.661863][ T5302] ---[ end trace 8321087aa8c8c644 ]--- [ 75.664653][ T5302] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.800881][ T5324] loop0: detected capacity change from 0 to 32768 [ 75.879435][ T5324] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5324) [ 75.900447][ T5324] FAULT_INJECTION: forcing a failure. [ 75.900447][ T5324] name failslab, interval 1, probability 0, space 0, times 0 [ 75.902377][ T5324] CPU: 0 PID: 5324 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 75.903703][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.905339][ T5324] Call trace: [ 75.905898][ T5324] dump_backtrace+0x0/0x43c [ 75.906611][ T5324] show_stack+0x2c/0x3c [ 75.907280][ T5324] __dump_stack+0x30/0x40 [ 75.907935][ T5324] dump_stack_lvl+0xf8/0x160 [ 75.908659][ T5324] dump_stack+0x1c/0x5c [ 75.909301][ T5324] should_fail+0x3c0/0x51c [ 75.909950][ T5324] __should_failslab+0xbc/0x10c [ 75.910699][ T5324] should_failslab+0x10/0x28 [ 75.911327][ T5324] slab_pre_alloc_hook+0x64/0xec [ 75.912105][ T5324] kmem_cache_alloc+0x94/0x3e4 [ 75.912810][ T5324] btrfs_alloc_path+0x5c/0x68 [ 75.913496][ T5324] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.914254][ T5324] btrfs_add_link+0x294/0xa68 [ 75.914939][ T5324] btrfs_create+0x45c/0x508 [ 75.915661][ T5324] path_openat+0x1144/0x26e4 [ 75.916344][ T5324] do_filp_open+0x164/0x330 [ 75.916987][ T5324] do_sys_openat2+0x128/0x3d8 [ 75.917628][ T5324] __arm64_sys_openat+0x120/0x154 [ 75.918361][ T5324] invoke_syscall+0x98/0x2b8 [ 75.919019][ T5324] el0_svc_common+0x138/0x258 [ 75.919729][ T5324] do_el0_svc+0x58/0x14c [ 75.920335][ T5324] el0_svc+0x78/0x1e0 [ 75.920921][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 75.921624][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 75.924763][ T5324] ------------[ cut here ]------------ [ 75.925733][ T5324] WARNING: CPU: 0 PID: 5324 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.927166][ T5324] Modules linked in: [ 75.927728][ T5324] CPU: 0 PID: 5324 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 75.929096][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.930720][ T5324] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.931897][ T5324] pc : btrfs_add_link+0x6e8/0xa68 [ 75.932710][ T5324] lr : btrfs_add_link+0x6e8/0xa68 [ 75.933390][ T5324] sp : ffff800021d67580 [ 75.934000][ T5324] x29: ffff800021d67680 x28: ffff0000deb2f2c0 x27: 0000000000000108 [ 75.935148][ T5324] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.936388][ T5324] x23: 0000000000000014 x22: 1fffe0001bd65e63 x21: ffff7000043aceb8 [ 75.937610][ T5324] x20: 00000000fffffff4 x19: ffff0000deb2f318 x18: 0000000000000001 [ 75.938819][ T5324] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 75.939958][ T5324] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.941150][ T5324] x11: 0000000000000000 x10: 0000000000000000 x9 : 31417cbf8bad2900 [ 75.942282][ T5324] x8 : 31417cbf8bad2900 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.943481][ T5324] x5 : ffff800021d66e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 75.944708][ T5324] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.945904][ T5324] Call trace: [ 75.946366][ T5324] btrfs_add_link+0x6e8/0xa68 [ 75.947018][ T5324] btrfs_create+0x45c/0x508 [ 75.947684][ T5324] path_openat+0x1144/0x26e4 [ 75.948362][ T5324] do_filp_open+0x164/0x330 [ 75.948966][ T5324] do_sys_openat2+0x128/0x3d8 [ 75.949696][ T5324] __arm64_sys_openat+0x120/0x154 [ 75.950466][ T5324] invoke_syscall+0x98/0x2b8 [ 75.951146][ T5324] el0_svc_common+0x138/0x258 [ 75.951853][ T5324] do_el0_svc+0x58/0x14c [ 75.952486][ T5324] el0_svc+0x78/0x1e0 [ 75.953027][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 75.953723][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 75.954382][ T5324] irq event stamp: 80422 [ 75.955028][ T5324] hardirqs last enabled at (80421): [] __up_console_sem+0xb4/0x100 [ 75.956435][ T5324] hardirqs last disabled at (80422): [] el1_dbg+0x24/0x80 [ 75.957715][ T5324] softirqs last enabled at (80402): [] handle_softirqs+0xa4c/0xbf0 [ 75.959091][ T5324] softirqs last disabled at (80381): [] __irq_exit_rcu+0x240/0x440 [ 75.960398][ T5324] ---[ end trace 8321087aa8c8c645 ]--- [ 75.963551][ T5324] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory 1970/01/01 00:01:16 executed programs: 13 [ 76.101276][ T5347] loop0: detected capacity change from 0 to 32768 [ 76.127936][ T5347] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5347) [ 76.203068][ T5347] FAULT_INJECTION: forcing a failure. [ 76.203068][ T5347] name failslab, interval 1, probability 0, space 0, times 0 [ 76.205091][ T5347] CPU: 1 PID: 5347 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 76.206443][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.208019][ T5347] Call trace: [ 76.208509][ T5347] dump_backtrace+0x0/0x43c [ 76.209173][ T5347] show_stack+0x2c/0x3c [ 76.209896][ T5347] __dump_stack+0x30/0x40 [ 76.210609][ T5347] dump_stack_lvl+0xf8/0x160 [ 76.211316][ T5347] dump_stack+0x1c/0x5c [ 76.211963][ T5347] should_fail+0x3c0/0x51c [ 76.212640][ T5347] __should_failslab+0xbc/0x10c [ 76.213395][ T5347] should_failslab+0x10/0x28 [ 76.214125][ T5347] slab_pre_alloc_hook+0x64/0xec [ 76.214921][ T5347] kmem_cache_alloc+0x94/0x3e4 [ 76.215664][ T5347] btrfs_alloc_path+0x5c/0x68 [ 76.216397][ T5347] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.217205][ T5347] btrfs_add_link+0x294/0xa68 [ 76.217873][ T5347] btrfs_create+0x45c/0x508 [ 76.218572][ T5347] path_openat+0x1144/0x26e4 [ 76.219289][ T5347] do_filp_open+0x164/0x330 [ 76.219971][ T5347] do_sys_openat2+0x128/0x3d8 [ 76.220726][ T5347] __arm64_sys_openat+0x120/0x154 [ 76.221537][ T5347] invoke_syscall+0x98/0x2b8 [ 76.222259][ T5347] el0_svc_common+0x138/0x258 [ 76.223056][ T5347] do_el0_svc+0x58/0x14c [ 76.223685][ T5347] el0_svc+0x78/0x1e0 [ 76.224292][ T5347] el0t_64_sync_handler+0xcc/0xe4 [ 76.225130][ T5347] el0t_64_sync+0x1a0/0x1a4 [ 76.226572][ T5347] ------------[ cut here ]------------ [ 76.227610][ T5347] WARNING: CPU: 0 PID: 5347 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.228951][ T5347] Modules linked in: [ 76.229520][ T5347] CPU: 0 PID: 5347 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 76.230769][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.232207][ T5347] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.233345][ T5347] pc : btrfs_add_link+0x6e8/0xa68 [ 76.234105][ T5347] lr : btrfs_add_link+0x6e8/0xa68 [ 76.234861][ T5347] sp : ffff800021d67580 [ 76.235509][ T5347] x29: ffff800021d67680 x28: ffff0000dea246e0 x27: 0000000000000108 [ 76.236721][ T5347] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.237996][ T5347] x23: 0000000000000014 x22: 1fffe0001bd448e7 x21: ffff7000043aceb8 [ 76.239223][ T5347] x20: 00000000fffffff4 x19: ffff0000dea24738 x18: 0000000000000001 [ 76.240537][ T5347] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 76.241811][ T5347] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.243039][ T5347] x11: 0000000000000000 x10: 0000000000000000 x9 : 32542a32e0140400 [ 76.244194][ T5347] x8 : 32542a32e0140400 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.245475][ T5347] x5 : ffff800021d66e78 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 76.246703][ T5347] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.248008][ T5347] Call trace: [ 76.248489][ T5347] btrfs_add_link+0x6e8/0xa68 [ 76.249152][ T5347] btrfs_create+0x45c/0x508 [ 76.249798][ T5347] path_openat+0x1144/0x26e4 [ 76.250426][ T5347] do_filp_open+0x164/0x330 [ 76.251078][ T5347] do_sys_openat2+0x128/0x3d8 [ 76.251746][ T5347] __arm64_sys_openat+0x120/0x154 [ 76.252448][ T5347] invoke_syscall+0x98/0x2b8 [ 76.253162][ T5347] el0_svc_common+0x138/0x258 [ 76.253850][ T5347] do_el0_svc+0x58/0x14c [ 76.254420][ T5347] el0_svc+0x78/0x1e0 [ 76.255006][ T5347] el0t_64_sync_handler+0xcc/0xe4 [ 76.255761][ T5347] el0t_64_sync+0x1a0/0x1a4 [ 76.256449][ T5347] irq event stamp: 79954 [ 76.257054][ T5347] hardirqs last enabled at (79953): [] __up_console_sem+0xb4/0x100 [ 76.258491][ T5347] hardirqs last disabled at (79954): [] el1_dbg+0x24/0x80 [ 76.259816][ T5347] softirqs last enabled at (79944): [] handle_softirqs+0xa4c/0xbf0 [ 76.261215][ T5347] softirqs last disabled at (79921): [] __irq_exit_rcu+0x240/0x440 [ 76.262582][ T5347] ---[ end trace 8321087aa8c8c646 ]--- [ 76.264275][ T5347] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.300688][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4905) [ 76.409691][ T5368] loop0: detected capacity change from 0 to 32768 [ 76.454175][ T5368] FAULT_INJECTION: forcing a failure. [ 76.454175][ T5368] name failslab, interval 1, probability 0, space 0, times 0 [ 76.456218][ T5368] CPU: 0 PID: 5368 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 76.457511][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.459044][ T5368] Call trace: [ 76.459550][ T5368] dump_backtrace+0x0/0x43c [ 76.460223][ T5368] show_stack+0x2c/0x3c [ 76.460828][ T5368] __dump_stack+0x30/0x40 [ 76.461493][ T5368] dump_stack_lvl+0xf8/0x160 [ 76.462174][ T5368] dump_stack+0x1c/0x5c [ 76.462794][ T5368] should_fail+0x3c0/0x51c [ 76.463449][ T5368] __should_failslab+0xbc/0x10c [ 76.464117][ T5368] should_failslab+0x10/0x28 [ 76.464783][ T5368] slab_pre_alloc_hook+0x64/0xec [ 76.465596][ T5368] kmem_cache_alloc+0x94/0x3e4 [ 76.466273][ T5368] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 76.467207][ T5368] btrfs_delayed_update_inode+0x3c/0x1b7c [ 76.468066][ T5368] btrfs_update_inode+0x210/0x3d4 [ 76.468834][ T5368] btrfs_create+0x360/0x508 [ 76.469507][ T5368] path_openat+0x1144/0x26e4 [ 76.470199][ T5368] do_filp_open+0x164/0x330 [ 76.470883][ T5368] do_sys_openat2+0x128/0x3d8 [ 76.471565][ T5368] __arm64_sys_openat+0x120/0x154 [ 76.472278][ T5368] invoke_syscall+0x98/0x2b8 [ 76.472984][ T5368] el0_svc_common+0x138/0x258 [ 76.473671][ T5368] do_el0_svc+0x58/0x14c [ 76.474243][ T5368] el0_svc+0x78/0x1e0 [ 76.474790][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 76.475482][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 76.516959][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4905) [ 76.613892][ T5390] loop0: detected capacity change from 0 to 32768 [ 76.646935][ T5390] FAULT_INJECTION: forcing a failure. [ 76.646935][ T5390] name failslab, interval 1, probability 0, space 0, times 0 [ 76.648969][ T5390] CPU: 0 PID: 5390 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 76.650224][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.651759][ T5390] Call trace: [ 76.652215][ T5390] dump_backtrace+0x0/0x43c [ 76.652865][ T5390] show_stack+0x2c/0x3c [ 76.653495][ T5390] __dump_stack+0x30/0x40 [ 76.654104][ T5390] dump_stack_lvl+0xf8/0x160 [ 76.654762][ T5390] dump_stack+0x1c/0x5c [ 76.655356][ T5390] should_fail+0x3c0/0x51c [ 76.656051][ T5390] __should_failslab+0xbc/0x10c [ 76.656771][ T5390] should_failslab+0x10/0x28 [ 76.657401][ T5390] slab_pre_alloc_hook+0x64/0xec [ 76.658068][ T5390] kmem_cache_alloc+0x94/0x3e4 [ 76.658708][ T5390] btrfs_alloc_path+0x5c/0x68 [ 76.659363][ T5390] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.660159][ T5390] btrfs_add_link+0x294/0xa68 [ 76.660783][ T5390] btrfs_create+0x45c/0x508 [ 76.661424][ T5390] path_openat+0x1144/0x26e4 [ 76.662062][ T5390] do_filp_open+0x164/0x330 [ 76.662719][ T5390] do_sys_openat2+0x128/0x3d8 [ 76.663405][ T5390] __arm64_sys_openat+0x120/0x154 [ 76.664146][ T5390] invoke_syscall+0x98/0x2b8 [ 76.664803][ T5390] el0_svc_common+0x138/0x258 [ 76.665490][ T5390] do_el0_svc+0x58/0x14c [ 76.666092][ T5390] el0_svc+0x78/0x1e0 [ 76.666647][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 76.667389][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 76.672173][ T5390] ------------[ cut here ]------------ [ 76.673125][ T5390] WARNING: CPU: 0 PID: 5390 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.674460][ T5390] Modules linked in: [ 76.675000][ T5390] CPU: 0 PID: 5390 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 76.676352][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.677744][ T5390] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.678872][ T5390] pc : btrfs_add_link+0x6e8/0xa68 [ 76.679591][ T5390] lr : btrfs_add_link+0x6e8/0xa68 [ 76.680283][ T5390] sp : ffff800022127580 [ 76.680922][ T5390] x29: ffff800022127680 x28: ffff0000deb2fb00 x27: 0000000000000108 [ 76.682028][ T5390] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.683363][ T5390] x23: 0000000000000014 x22: 1fffe0001bd65f6b x21: ffff700004424eb8 [ 76.684617][ T5390] x20: 00000000fffffff4 x19: ffff0000deb2fb58 x18: 0000000000000001 [ 76.685845][ T5390] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 76.687048][ T5390] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.688286][ T5390] x11: 0000000000000000 x10: 0000000000000000 x9 : 77db42dfc262be00 [ 76.689455][ T5390] x8 : 77db42dfc262be00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.690604][ T5390] x5 : ffff800022126e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 76.691983][ T5390] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.693321][ T5390] Call trace: [ 76.693871][ T5390] btrfs_add_link+0x6e8/0xa68 [ 76.694650][ T5390] btrfs_create+0x45c/0x508 [ 76.695411][ T5390] path_openat+0x1144/0x26e4 [ 76.696138][ T5390] do_filp_open+0x164/0x330 [ 76.696794][ T5390] do_sys_openat2+0x128/0x3d8 [ 76.697466][ T5390] __arm64_sys_openat+0x120/0x154 [ 76.698177][ T5390] invoke_syscall+0x98/0x2b8 [ 76.698867][ T5390] el0_svc_common+0x138/0x258 [ 76.699589][ T5390] do_el0_svc+0x58/0x14c [ 76.700204][ T5390] el0_svc+0x78/0x1e0 [ 76.700791][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 76.701544][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 76.702215][ T5390] irq event stamp: 79828 [ 76.702862][ T5390] hardirqs last enabled at (79827): [] __up_console_sem+0xb4/0x100 [ 76.704356][ T5390] hardirqs last disabled at (79828): [] el1_dbg+0x24/0x80 [ 76.705735][ T5390] softirqs last enabled at (79808): [] handle_softirqs+0xa4c/0xbf0 [ 76.707180][ T5390] softirqs last disabled at (79767): [] __irq_exit_rcu+0x240/0x440 [ 76.708633][ T5390] ---[ end trace 8321087aa8c8c647 ]--- [ 76.710178][ T5390] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.878008][ T5412] loop0: detected capacity change from 0 to 32768 [ 76.928021][ T5412] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5412) [ 76.958070][ T5412] FAULT_INJECTION: forcing a failure. [ 76.958070][ T5412] name failslab, interval 1, probability 0, space 0, times 0 [ 76.960014][ T5412] CPU: 0 PID: 5412 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 76.961306][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.962902][ T5412] Call trace: [ 76.963392][ T5412] dump_backtrace+0x0/0x43c [ 76.964046][ T5412] show_stack+0x2c/0x3c [ 76.964646][ T5412] __dump_stack+0x30/0x40 [ 76.965235][ T5412] dump_stack_lvl+0xf8/0x160 [ 76.965890][ T5412] dump_stack+0x1c/0x5c [ 76.966497][ T5412] should_fail+0x3c0/0x51c [ 76.967161][ T5412] __should_failslab+0xbc/0x10c [ 76.967899][ T5412] should_failslab+0x10/0x28 [ 76.968574][ T5412] slab_pre_alloc_hook+0x64/0xec [ 76.969351][ T5412] kmem_cache_alloc+0x94/0x3e4 [ 76.970034][ T5412] btrfs_alloc_path+0x5c/0x68 [ 76.970712][ T5412] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.971508][ T5412] btrfs_add_link+0x294/0xa68 [ 76.972188][ T5412] btrfs_create+0x45c/0x508 [ 76.972864][ T5412] path_openat+0x1144/0x26e4 [ 76.973610][ T5412] do_filp_open+0x164/0x330 [ 76.974277][ T5412] do_sys_openat2+0x128/0x3d8 [ 76.975011][ T5412] __arm64_sys_openat+0x120/0x154 [ 76.975806][ T5412] invoke_syscall+0x98/0x2b8 [ 76.976493][ T5412] el0_svc_common+0x138/0x258 [ 76.977165][ T5412] do_el0_svc+0x58/0x14c [ 76.977799][ T5412] el0_svc+0x78/0x1e0 [ 76.978348][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 76.979082][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 76.986665][ T5412] ------------[ cut here ]------------ [ 76.987627][ T5412] WARNING: CPU: 0 PID: 5412 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.989020][ T5412] Modules linked in: [ 76.989574][ T5412] CPU: 0 PID: 5412 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 76.990840][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.992315][ T5412] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.993442][ T5412] pc : btrfs_add_link+0x6e8/0xa68 [ 76.994176][ T5412] lr : btrfs_add_link+0x6e8/0xa68 [ 76.994853][ T5412] sp : ffff800022127580 [ 76.995487][ T5412] x29: ffff800022127680 x28: ffff0000deb2fdc0 x27: 0000000000000108 [ 76.996649][ T5412] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.997881][ T5412] x23: 0000000000000014 x22: 1fffe0001bd65fc3 x21: ffff700004424eb8 [ 76.999080][ T5412] x20: 00000000fffffff4 x19: ffff0000deb2fe18 x18: 0000000000000001 [ 77.000310][ T5412] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 77.001492][ T5412] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.002723][ T5412] x11: 0000000000000000 x10: 0000000000000000 x9 : 6ec08c17230bfd00 [ 77.003908][ T5412] x8 : 6ec08c17230bfd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.005157][ T5412] x5 : ffff800022126e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 77.006350][ T5412] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.007532][ T5412] Call trace: [ 77.007958][ T5412] btrfs_add_link+0x6e8/0xa68 [ 77.008650][ T5412] btrfs_create+0x45c/0x508 [ 77.009328][ T5412] path_openat+0x1144/0x26e4 [ 77.010030][ T5412] do_filp_open+0x164/0x330 [ 77.010680][ T5412] do_sys_openat2+0x128/0x3d8 [ 77.011379][ T5412] __arm64_sys_openat+0x120/0x154 [ 77.012075][ T5412] invoke_syscall+0x98/0x2b8 [ 77.012743][ T5412] el0_svc_common+0x138/0x258 [ 77.013398][ T5412] do_el0_svc+0x58/0x14c [ 77.014034][ T5412] el0_svc+0x78/0x1e0 [ 77.014805][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 77.015521][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 77.016194][ T5412] irq event stamp: 80438 [ 77.016803][ T5412] hardirqs last enabled at (80437): [] __up_console_sem+0xb4/0x100 [ 77.018195][ T5412] hardirqs last disabled at (80438): [] el1_dbg+0x24/0x80 [ 77.019636][ T5412] softirqs last enabled at (80416): [] handle_softirqs+0xa4c/0xbf0 [ 77.021189][ T5412] softirqs last disabled at (80337): [] __irq_exit_rcu+0x240/0x440 [ 77.022714][ T5412] ---[ end trace 8321087aa8c8c648 ]--- [ 77.025935][ T5412] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.126871][ T5166] Bluetooth: hci1: command 0x040f tx timeout [ 77.224448][ T5434] loop0: detected capacity change from 0 to 32768 [ 77.257920][ T5434] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5434) [ 77.279075][ T5434] FAULT_INJECTION: forcing a failure. [ 77.279075][ T5434] name failslab, interval 1, probability 0, space 0, times 0 [ 77.280917][ T5434] CPU: 0 PID: 5434 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 77.282211][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.283686][ T5434] Call trace: [ 77.284160][ T5434] dump_backtrace+0x0/0x43c [ 77.284817][ T5434] show_stack+0x2c/0x3c [ 77.285431][ T5434] __dump_stack+0x30/0x40 [ 77.286075][ T5434] dump_stack_lvl+0xf8/0x160 [ 77.286776][ T5434] dump_stack+0x1c/0x5c [ 77.287377][ T5434] should_fail+0x3c0/0x51c [ 77.288048][ T5434] __should_failslab+0xbc/0x10c [ 77.288736][ T5434] should_failslab+0x10/0x28 [ 77.289444][ T5434] slab_pre_alloc_hook+0x64/0xec [ 77.290111][ T5434] kmem_cache_alloc+0x94/0x3e4 [ 77.290750][ T5434] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 77.291602][ T5434] btrfs_delayed_update_inode+0x3c/0x1b7c [ 77.292449][ T5434] btrfs_update_inode+0x210/0x3d4 [ 77.293209][ T5434] btrfs_create+0x360/0x508 [ 77.293843][ T5434] path_openat+0x1144/0x26e4 [ 77.294498][ T5434] do_filp_open+0x164/0x330 [ 77.295144][ T5434] do_sys_openat2+0x128/0x3d8 [ 77.295882][ T5434] __arm64_sys_openat+0x120/0x154 [ 77.296617][ T5434] invoke_syscall+0x98/0x2b8 [ 77.297280][ T5434] el0_svc_common+0x138/0x258 [ 77.297990][ T5434] do_el0_svc+0x58/0x14c [ 77.298636][ T5434] el0_svc+0x78/0x1e0 [ 77.299230][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 77.299944][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 77.340553][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4905) [ 77.437591][ T5455] loop0: detected capacity change from 0 to 32768 [ 77.458595][ T5455] FAULT_INJECTION: forcing a failure. [ 77.458595][ T5455] name failslab, interval 1, probability 0, space 0, times 0 [ 77.460471][ T5455] CPU: 1 PID: 5455 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 77.461727][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.463277][ T5455] Call trace: [ 77.463734][ T5455] dump_backtrace+0x0/0x43c [ 77.464439][ T5455] show_stack+0x2c/0x3c [ 77.465062][ T5455] __dump_stack+0x30/0x40 [ 77.465709][ T5455] dump_stack_lvl+0xf8/0x160 [ 77.466336][ T5455] dump_stack+0x1c/0x5c [ 77.467021][ T5455] should_fail+0x3c0/0x51c [ 77.467702][ T5455] __should_failslab+0xbc/0x10c [ 77.468444][ T5455] should_failslab+0x10/0x28 [ 77.469109][ T5455] slab_pre_alloc_hook+0x64/0xec [ 77.469853][ T5455] kmem_cache_alloc+0x94/0x3e4 [ 77.470566][ T5455] btrfs_alloc_path+0x5c/0x68 [ 77.471244][ T5455] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.472045][ T5455] btrfs_add_link+0x294/0xa68 [ 77.472715][ T5455] btrfs_create+0x45c/0x508 [ 77.473343][ T5455] path_openat+0x1144/0x26e4 [ 77.474026][ T5455] do_filp_open+0x164/0x330 [ 77.474705][ T5455] do_sys_openat2+0x128/0x3d8 [ 77.475383][ T5455] __arm64_sys_openat+0x120/0x154 [ 77.476162][ T5455] invoke_syscall+0x98/0x2b8 [ 77.476865][ T5455] el0_svc_common+0x138/0x258 [ 77.477568][ T5455] do_el0_svc+0x58/0x14c [ 77.478208][ T5455] el0_svc+0x78/0x1e0 [ 77.478768][ T5455] el0t_64_sync_handler+0xcc/0xe4 [ 77.479471][ T5455] el0t_64_sync+0x1a0/0x1a4 [ 77.480685][ T5455] ------------[ cut here ]------------ [ 77.481664][ T5455] WARNING: CPU: 1 PID: 5455 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.482949][ T5455] Modules linked in: [ 77.483493][ T5455] CPU: 1 PID: 5455 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 77.484615][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.486170][ T5455] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.487340][ T5455] pc : btrfs_add_link+0x6e8/0xa68 [ 77.488051][ T5455] lr : btrfs_add_link+0x6e8/0xa68 [ 77.488812][ T5455] sp : ffff800022587580 [ 77.489431][ T5455] x29: ffff800022587680 x28: ffff0000dea249a0 x27: 0000000000000108 [ 77.490694][ T5455] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.491834][ T5455] x23: 0000000000000014 x22: 1fffe0001bd4493f x21: ffff7000044b0eb8 [ 77.493030][ T5455] x20: 00000000fffffff4 x19: ffff0000dea249f8 x18: 0000000000000001 [ 77.494182][ T5455] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 77.495423][ T5455] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.496608][ T5455] x11: 0000000000000000 x10: 0000000000000000 x9 : 895efcf4c014e000 [ 77.497707][ T5455] x8 : 895efcf4c014e000 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.498923][ T5455] x5 : ffff800022586e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 77.500054][ T5455] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.501256][ T5455] Call trace: [ 77.501711][ T5455] btrfs_add_link+0x6e8/0xa68 [ 77.502408][ T5455] btrfs_create+0x45c/0x508 [ 77.503113][ T5455] path_openat+0x1144/0x26e4 [ 77.503840][ T5455] do_filp_open+0x164/0x330 [ 77.504511][ T5455] do_sys_openat2+0x128/0x3d8 [ 77.505213][ T5455] __arm64_sys_openat+0x120/0x154 [ 77.505957][ T5455] invoke_syscall+0x98/0x2b8 [ 77.506665][ T5455] el0_svc_common+0x138/0x258 [ 77.507363][ T5455] do_el0_svc+0x58/0x14c [ 77.507964][ T5455] el0_svc+0x78/0x1e0 [ 77.508508][ T5455] el0t_64_sync_handler+0xcc/0xe4 [ 77.509186][ T5455] el0t_64_sync+0x1a0/0x1a4 [ 77.509804][ T5455] irq event stamp: 80110 [ 77.510390][ T5455] hardirqs last enabled at (80109): [] __up_console_sem+0xb4/0x100 [ 77.511746][ T5455] hardirqs last disabled at (80110): [] el1_dbg+0x24/0x80 [ 77.513009][ T5455] softirqs last enabled at (80090): [] handle_softirqs+0xa4c/0xbf0 [ 77.514393][ T5455] softirqs last disabled at (80045): [] __irq_exit_rcu+0x240/0x440 [ 77.515694][ T5455] ---[ end trace 8321087aa8c8c649 ]--- [ 77.516850][ T5455] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.655976][ T5478] loop0: detected capacity change from 0 to 32768 [ 77.663416][ T5478] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5478) [ 77.695193][ T5478] FAULT_INJECTION: forcing a failure. [ 77.695193][ T5478] name failslab, interval 1, probability 0, space 0, times 0 [ 77.698008][ T5478] CPU: 0 PID: 5478 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 77.699354][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.701094][ T5478] Call trace: [ 77.701623][ T5478] dump_backtrace+0x0/0x43c [ 77.702375][ T5478] show_stack+0x2c/0x3c [ 77.702979][ T5478] __dump_stack+0x30/0x40 [ 77.703624][ T5478] dump_stack_lvl+0xf8/0x160 [ 77.704328][ T5478] dump_stack+0x1c/0x5c [ 77.705009][ T5478] should_fail+0x3c0/0x51c [ 77.705720][ T5478] __should_failslab+0xbc/0x10c [ 77.706501][ T5478] should_failslab+0x10/0x28 [ 77.707212][ T5478] slab_pre_alloc_hook+0x64/0xec [ 77.707978][ T5478] kmem_cache_alloc+0x94/0x3e4 [ 77.708682][ T5478] btrfs_alloc_path+0x5c/0x68 [ 77.709384][ T5478] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.710192][ T5478] btrfs_add_link+0x294/0xa68 [ 77.710875][ T5478] btrfs_create+0x45c/0x508 [ 77.711633][ T5478] path_openat+0x1144/0x26e4 [ 77.712407][ T5478] do_filp_open+0x164/0x330 [ 77.713113][ T5478] do_sys_openat2+0x128/0x3d8 [ 77.713830][ T5478] __arm64_sys_openat+0x120/0x154 [ 77.714584][ T5478] invoke_syscall+0x98/0x2b8 [ 77.715290][ T5478] el0_svc_common+0x138/0x258 [ 77.715958][ T5478] do_el0_svc+0x58/0x14c [ 77.716690][ T5478] el0_svc+0x78/0x1e0 [ 77.717349][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 77.718135][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 77.725764][ T5478] ------------[ cut here ]------------ [ 77.726759][ T5478] WARNING: CPU: 1 PID: 5478 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.728185][ T5478] Modules linked in: [ 77.728770][ T5478] CPU: 1 PID: 5478 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 77.730101][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.731644][ T5478] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.732831][ T5478] pc : btrfs_add_link+0x6e8/0xa68 [ 77.733543][ T5478] lr : btrfs_add_link+0x6e8/0xa68 [ 77.734244][ T5478] sp : ffff8000225e7580 [ 77.734830][ T5478] x29: ffff8000225e7680 x28: ffff0000deabe420 x27: 0000000000000108 [ 77.736017][ T5478] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.737230][ T5478] x23: 0000000000000014 x22: 1fffe0001bd57c8f x21: ffff7000044bceb8 [ 77.738434][ T5478] x20: 00000000fffffff4 x19: ffff0000deabe478 x18: 0000000000000001 [ 77.739731][ T5478] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 77.740929][ T5478] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.742118][ T5478] x11: 0000000000000000 x10: 0000000000000000 x9 : 185f2424d73d5c00 [ 77.743341][ T5478] x8 : 185f2424d73d5c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.744639][ T5478] x5 : ffff8000225e6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 77.745912][ T5478] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.747170][ T5478] Call trace: [ 77.747686][ T5478] btrfs_add_link+0x6e8/0xa68 [ 77.748390][ T5478] btrfs_create+0x45c/0x508 [ 77.749065][ T5478] path_openat+0x1144/0x26e4 [ 77.749721][ T5478] do_filp_open+0x164/0x330 [ 77.750386][ T5478] do_sys_openat2+0x128/0x3d8 [ 77.751032][ T5478] __arm64_sys_openat+0x120/0x154 [ 77.751780][ T5478] invoke_syscall+0x98/0x2b8 [ 77.752496][ T5478] el0_svc_common+0x138/0x258 [ 77.753157][ T5478] do_el0_svc+0x58/0x14c [ 77.753764][ T5478] el0_svc+0x78/0x1e0 [ 77.754371][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 77.755084][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 77.755722][ T5478] irq event stamp: 80908 [ 77.756318][ T5478] hardirqs last enabled at (80907): [] __up_console_sem+0xb4/0x100 [ 77.757738][ T5478] hardirqs last disabled at (80908): [] el1_dbg+0x24/0x80 [ 77.758995][ T5478] softirqs last enabled at (80888): [] handle_softirqs+0xa4c/0xbf0 [ 77.760394][ T5478] softirqs last disabled at (80845): [] __irq_exit_rcu+0x240/0x440 [ 77.761745][ T5478] ---[ end trace 8321087aa8c8c64a ]--- [ 77.763587][ T5478] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.894963][ T5500] loop0: detected capacity change from 0 to 32768 [ 77.921480][ T5500] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5500) [ 77.924824][ T5500] btrfs_printk: 182 callbacks suppressed [ 77.924831][ T5500] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.927708][ T5500] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.929043][ T5500] BTRFS info (device loop0): setting datacow [ 77.929934][ T5500] BTRFS info (device loop0): doing ref verification [ 77.930895][ T5500] BTRFS info (device loop0): force clearing of disk cache [ 77.932012][ T5500] BTRFS info (device loop0): turning off barriers [ 77.932980][ T5500] BTRFS info (device loop0): use zlib compression, level 3 [ 77.933984][ T5500] BTRFS info (device loop0): using free space tree [ 77.934929][ T5500] BTRFS info (device loop0): has skinny extents [ 77.942742][ T5500] BTRFS info (device loop0): clearing free space tree [ 77.944051][ T5500] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.945486][ T5500] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.948869][ T5500] BTRFS info (device loop0): creating free space tree [ 77.950290][ T5500] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.951786][ T5500] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.955932][ T5500] FAULT_INJECTION: forcing a failure. [ 77.955932][ T5500] name failslab, interval 1, probability 0, space 0, times 0 [ 77.958126][ T5500] CPU: 0 PID: 5500 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 77.959481][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.961046][ T5500] Call trace: [ 77.961541][ T5500] dump_backtrace+0x0/0x43c [ 77.962252][ T5500] show_stack+0x2c/0x3c [ 77.962896][ T5500] __dump_stack+0x30/0x40 [ 77.963539][ T5500] dump_stack_lvl+0xf8/0x160 [ 77.964243][ T5500] dump_stack+0x1c/0x5c [ 77.964875][ T5500] should_fail+0x3c0/0x51c [ 77.965542][ T5500] __should_failslab+0xbc/0x10c [ 77.966277][ T5500] should_failslab+0x10/0x28 [ 77.966972][ T5500] slab_pre_alloc_hook+0x64/0xec [ 77.967686][ T5500] kmem_cache_alloc+0x94/0x3e4 [ 77.968347][ T5500] btrfs_alloc_path+0x5c/0x68 [ 77.969029][ T5500] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.969797][ T5500] btrfs_add_link+0x294/0xa68 [ 77.970467][ T5500] btrfs_create+0x45c/0x508 [ 77.971076][ T5500] path_openat+0x1144/0x26e4 [ 77.971703][ T5500] do_filp_open+0x164/0x330 [ 77.972441][ T5500] do_sys_openat2+0x128/0x3d8 [ 77.973106][ T5500] __arm64_sys_openat+0x120/0x154 [ 77.973822][ T5500] invoke_syscall+0x98/0x2b8 [ 77.974518][ T5500] el0_svc_common+0x138/0x258 [ 77.975204][ T5500] do_el0_svc+0x58/0x14c [ 77.975843][ T5500] el0_svc+0x78/0x1e0 [ 77.976412][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 77.977197][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 77.979475][ T5500] ------------[ cut here ]------------ [ 77.980449][ T5500] WARNING: CPU: 0 PID: 5500 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.981830][ T5500] Modules linked in: [ 77.982378][ T5500] CPU: 0 PID: 5500 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 77.983710][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.985265][ T5500] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.986399][ T5500] pc : btrfs_add_link+0x6e8/0xa68 [ 77.987194][ T5500] lr : btrfs_add_link+0x6e8/0xa68 [ 77.987932][ T5500] sp : ffff8000226a7580 [ 77.988595][ T5500] x29: ffff8000226a7680 x28: ffff0000deabe6e0 x27: 0000000000000108 [ 77.989816][ T5500] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.991051][ T5500] x23: 0000000000000014 x22: 1fffe0001bd57ce7 x21: ffff7000044d4eb8 [ 77.992246][ T5500] x20: 00000000fffffff4 x19: ffff0000deabe738 x18: 0000000000000001 [ 77.993435][ T5500] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 77.994576][ T5500] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.995677][ T5500] x11: 0000000000000000 x10: 0000000000000000 x9 : defc42d9e83f4200 [ 77.996915][ T5500] x8 : defc42d9e83f4200 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.998168][ T5500] x5 : ffff8000226a6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 77.999445][ T5500] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.000624][ T5500] Call trace: [ 78.001133][ T5500] btrfs_add_link+0x6e8/0xa68 [ 78.001792][ T5500] btrfs_create+0x45c/0x508 [ 78.002462][ T5500] path_openat+0x1144/0x26e4 [ 78.003150][ T5500] do_filp_open+0x164/0x330 [ 78.003839][ T5500] do_sys_openat2+0x128/0x3d8 [ 78.004527][ T5500] __arm64_sys_openat+0x120/0x154 [ 78.005310][ T5500] invoke_syscall+0x98/0x2b8 [ 78.005997][ T5500] el0_svc_common+0x138/0x258 [ 78.006675][ T5500] do_el0_svc+0x58/0x14c [ 78.007342][ T5500] el0_svc+0x78/0x1e0 [ 78.007912][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 78.008678][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 78.009294][ T5500] irq event stamp: 80942 [ 78.009891][ T5500] hardirqs last enabled at (80941): [] __up_console_sem+0xb4/0x100 [ 78.011209][ T5500] hardirqs last disabled at (80942): [] el1_dbg+0x24/0x80 [ 78.012543][ T5500] softirqs last enabled at (80922): [] handle_softirqs+0xa4c/0xbf0 [ 78.013947][ T5500] softirqs last disabled at (80879): [] __irq_exit_rcu+0x240/0x440 [ 78.015319][ T5500] ---[ end trace 8321087aa8c8c64b ]--- [ 78.018713][ T5500] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.020100][ T5500] BTRFS info (device loop0): forced readonly [ 78.185907][ T5522] loop0: detected capacity change from 0 to 32768 [ 78.237914][ T5522] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5522) [ 78.240929][ T5522] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.242301][ T5522] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.247798][ T5522] BTRFS info (device loop0): setting datacow [ 78.248815][ T5522] BTRFS info (device loop0): doing ref verification [ 78.249791][ T5522] BTRFS info (device loop0): force clearing of disk cache [ 78.252881][ T5522] BTRFS info (device loop0): turning off barriers [ 78.253957][ T5522] BTRFS info (device loop0): use zlib compression, level 3 [ 78.255098][ T5522] BTRFS info (device loop0): using free space tree [ 78.256141][ T5522] BTRFS info (device loop0): has skinny extents [ 78.264160][ T5522] BTRFS info (device loop0): clearing free space tree [ 78.265219][ T5522] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.267033][ T5522] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.270314][ T5522] BTRFS info (device loop0): creating free space tree [ 78.271628][ T5522] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.273019][ T5522] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.278485][ T5522] FAULT_INJECTION: forcing a failure. [ 78.278485][ T5522] name failslab, interval 1, probability 0, space 0, times 0 [ 78.280604][ T5522] CPU: 0 PID: 5522 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 78.281937][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.283503][ T5522] Call trace: [ 78.284025][ T5522] dump_backtrace+0x0/0x43c [ 78.284724][ T5522] show_stack+0x2c/0x3c [ 78.285332][ T5522] __dump_stack+0x30/0x40 [ 78.285934][ T5522] dump_stack_lvl+0xf8/0x160 [ 78.286639][ T5522] dump_stack+0x1c/0x5c [ 78.287264][ T5522] should_fail+0x3c0/0x51c [ 78.287948][ T5522] __should_failslab+0xbc/0x10c [ 78.288679][ T5522] should_failslab+0x10/0x28 [ 78.289431][ T5522] slab_pre_alloc_hook+0x64/0xec [ 78.290163][ T5522] kmem_cache_alloc+0x94/0x3e4 [ 78.290918][ T5522] btrfs_alloc_path+0x5c/0x68 [ 78.291612][ T5522] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.292414][ T5522] btrfs_add_link+0x294/0xa68 [ 78.293162][ T5522] btrfs_create+0x45c/0x508 [ 78.293823][ T5522] path_openat+0x1144/0x26e4 [ 78.294475][ T5522] do_filp_open+0x164/0x330 [ 78.295157][ T5522] do_sys_openat2+0x128/0x3d8 [ 78.295894][ T5522] __arm64_sys_openat+0x120/0x154 [ 78.296607][ T5522] invoke_syscall+0x98/0x2b8 [ 78.297306][ T5522] el0_svc_common+0x138/0x258 [ 78.298027][ T5522] do_el0_svc+0x58/0x14c [ 78.298643][ T5522] el0_svc+0x78/0x1e0 [ 78.299279][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 78.299987][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 78.302115][ T5522] ------------[ cut here ]------------ [ 78.303049][ T5522] WARNING: CPU: 0 PID: 5522 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.304352][ T5522] Modules linked in: [ 78.304987][ T5522] CPU: 0 PID: 5522 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 78.306398][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.308021][ T5522] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.309225][ T5522] pc : btrfs_add_link+0x6e8/0xa68 [ 78.310006][ T5522] lr : btrfs_add_link+0x6e8/0xa68 [ 78.310779][ T5522] sp : ffff8000235a7580 [ 78.311444][ T5522] x29: ffff8000235a7680 x28: ffff0000deac2e70 x27: 0000000000000108 [ 78.312591][ T5522] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.313850][ T5522] x23: 0000000000000014 x22: 1fffe0001bd585d9 x21: ffff7000046b4eb8 [ 78.315093][ T5522] x20: 00000000fffffff4 x19: ffff0000deac2ec8 x18: 0000000000000001 [ 78.316329][ T5522] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 78.317486][ T5522] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.318660][ T5522] x11: 0000000000000000 x10: 0000000000000000 x9 : a523b5055ea7a200 [ 78.319824][ T5522] x8 : a523b5055ea7a200 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.320975][ T5522] x5 : ffff8000235a6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 78.322155][ T5522] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.323410][ T5522] Call trace: [ 78.323943][ T5522] btrfs_add_link+0x6e8/0xa68 [ 78.324739][ T5522] btrfs_create+0x45c/0x508 [ 78.325468][ T5522] path_openat+0x1144/0x26e4 [ 78.326211][ T5522] do_filp_open+0x164/0x330 [ 78.326936][ T5522] do_sys_openat2+0x128/0x3d8 [ 78.327620][ T5522] __arm64_sys_openat+0x120/0x154 [ 78.328408][ T5522] invoke_syscall+0x98/0x2b8 [ 78.329118][ T5522] el0_svc_common+0x138/0x258 [ 78.329821][ T5522] do_el0_svc+0x58/0x14c [ 78.330416][ T5522] el0_svc+0x78/0x1e0 [ 78.331004][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 78.331687][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 78.332329][ T5522] irq event stamp: 80250 [ 78.332907][ T5522] hardirqs last enabled at (80249): [] __up_console_sem+0xb4/0x100 [ 78.334328][ T5522] hardirqs last disabled at (80250): [] el1_dbg+0x24/0x80 [ 78.335614][ T5522] softirqs last enabled at (80230): [] handle_softirqs+0xa4c/0xbf0 [ 78.337091][ T5522] softirqs last disabled at (80209): [] __irq_exit_rcu+0x240/0x440 [ 78.338551][ T5522] ---[ end trace 8321087aa8c8c64c ]--- [ 78.341474][ T5522] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.342811][ T5522] BTRFS info (device loop0): forced readonly [ 78.517204][ T5544] loop0: detected capacity change from 0 to 32768 [ 78.558260][ T5544] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5544) [ 78.562757][ T5544] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.564105][ T5544] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.565598][ T5544] BTRFS info (device loop0): setting datacow [ 78.566516][ T5544] BTRFS info (device loop0): doing ref verification [ 78.567966][ T5544] BTRFS info (device loop0): force clearing of disk cache [ 78.569083][ T5544] BTRFS info (device loop0): turning off barriers [ 78.570051][ T5544] BTRFS info (device loop0): use zlib compression, level 3 [ 78.571107][ T5544] BTRFS info (device loop0): using free space tree [ 78.572109][ T5544] BTRFS info (device loop0): has skinny extents [ 78.579689][ T5544] BTRFS info (device loop0): clearing free space tree [ 78.580812][ T5544] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.582405][ T5544] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.585599][ T5544] BTRFS info (device loop0): creating free space tree [ 78.587670][ T5544] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.589161][ T5544] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.593152][ T5544] FAULT_INJECTION: forcing a failure. [ 78.593152][ T5544] name failslab, interval 1, probability 0, space 0, times 0 [ 78.595032][ T5544] CPU: 0 PID: 5544 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 78.596365][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.597775][ T5544] Call trace: [ 78.598286][ T5544] dump_backtrace+0x0/0x43c [ 78.598956][ T5544] show_stack+0x2c/0x3c [ 78.599586][ T5544] __dump_stack+0x30/0x40 [ 78.600190][ T5544] dump_stack_lvl+0xf8/0x160 [ 78.600895][ T5544] dump_stack+0x1c/0x5c [ 78.601560][ T5544] should_fail+0x3c0/0x51c [ 78.602214][ T5544] __should_failslab+0xbc/0x10c [ 78.602905][ T5544] should_failslab+0x10/0x28 [ 78.603574][ T5544] slab_pre_alloc_hook+0x64/0xec [ 78.604319][ T5544] kmem_cache_alloc+0x94/0x3e4 [ 78.604997][ T5544] btrfs_alloc_path+0x5c/0x68 [ 78.605650][ T5544] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.606401][ T5544] btrfs_add_link+0x294/0xa68 [ 78.607089][ T5544] btrfs_create+0x45c/0x508 [ 78.607799][ T5544] path_openat+0x1144/0x26e4 [ 78.608464][ T5544] do_filp_open+0x164/0x330 [ 78.609101][ T5544] do_sys_openat2+0x128/0x3d8 [ 78.609813][ T5544] __arm64_sys_openat+0x120/0x154 [ 78.610604][ T5544] invoke_syscall+0x98/0x2b8 [ 78.611238][ T5544] el0_svc_common+0x138/0x258 [ 78.611870][ T5544] do_el0_svc+0x58/0x14c [ 78.612516][ T5544] el0_svc+0x78/0x1e0 [ 78.613122][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 78.613861][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 78.615932][ T5544] ------------[ cut here ]------------ [ 78.616873][ T5544] WARNING: CPU: 0 PID: 5544 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.618318][ T5544] Modules linked in: [ 78.618891][ T5544] CPU: 0 PID: 5544 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 78.620225][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.621711][ T5544] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.622924][ T5544] pc : btrfs_add_link+0x6e8/0xa68 [ 78.623704][ T5544] lr : btrfs_add_link+0x6e8/0xa68 [ 78.624476][ T5544] sp : ffff8000226e7580 [ 78.625070][ T5544] x29: ffff8000226e7680 x28: ffff0000deac2bb0 x27: 0000000000000108 [ 78.626349][ T5544] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.627566][ T5544] x23: 0000000000000014 x22: 1fffe0001bd58581 x21: ffff7000044dceb8 [ 78.628816][ T5544] x20: 00000000fffffff4 x19: ffff0000deac2c08 x18: 0000000000000001 [ 78.630073][ T5544] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 78.631283][ T5544] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.632506][ T5544] x11: 0000000000000000 x10: 0000000000000000 x9 : f95b5fb9c080d600 [ 78.633747][ T5544] x8 : f95b5fb9c080d600 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.634978][ T5544] x5 : ffff8000226e6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 78.636237][ T5544] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.637459][ T5544] Call trace: [ 78.637950][ T5544] btrfs_add_link+0x6e8/0xa68 [ 78.638627][ T5544] btrfs_create+0x45c/0x508 [ 78.639315][ T5544] path_openat+0x1144/0x26e4 [ 78.640022][ T5544] do_filp_open+0x164/0x330 [ 78.640689][ T5544] do_sys_openat2+0x128/0x3d8 [ 78.641412][ T5544] __arm64_sys_openat+0x120/0x154 [ 78.642163][ T5544] invoke_syscall+0x98/0x2b8 [ 78.642797][ T5544] el0_svc_common+0x138/0x258 [ 78.643514][ T5544] do_el0_svc+0x58/0x14c [ 78.644191][ T5544] el0_svc+0x78/0x1e0 [ 78.644826][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 78.645577][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 78.646211][ T5544] irq event stamp: 80074 [ 78.646851][ T5544] hardirqs last enabled at (80073): [] __up_console_sem+0xb4/0x100 [ 78.648313][ T5544] hardirqs last disabled at (80074): [] el1_dbg+0x24/0x80 [ 78.649555][ T5544] softirqs last enabled at (80064): [] handle_softirqs+0xa4c/0xbf0 [ 78.650924][ T5544] softirqs last disabled at (80055): [] __irq_exit_rcu+0x240/0x440 [ 78.652306][ T5544] ---[ end trace 8321087aa8c8c64d ]--- [ 78.654478][ T5544] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.655985][ T5544] BTRFS info (device loop0): forced readonly [ 78.834856][ T5565] loop0: detected capacity change from 0 to 32768 [ 78.881519][ T5565] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5565) [ 78.884724][ T5565] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.886084][ T5565] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.888710][ T5565] BTRFS info (device loop0): setting datacow [ 78.889691][ T5565] BTRFS info (device loop0): doing ref verification [ 78.890689][ T5565] BTRFS info (device loop0): force clearing of disk cache [ 78.891703][ T5565] BTRFS info (device loop0): turning off barriers [ 78.892705][ T5565] BTRFS info (device loop0): use zlib compression, level 3 [ 78.893857][ T5565] BTRFS info (device loop0): using free space tree [ 78.894835][ T5565] BTRFS info (device loop0): has skinny extents [ 78.902969][ T5565] BTRFS info (device loop0): clearing free space tree [ 78.904248][ T5565] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.905706][ T5565] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.909056][ T5565] BTRFS info (device loop0): creating free space tree [ 78.910485][ T5565] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.912022][ T5565] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.916131][ T5565] FAULT_INJECTION: forcing a failure. [ 78.916131][ T5565] name failslab, interval 1, probability 0, space 0, times 0 [ 78.918796][ T5565] CPU: 1 PID: 5565 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 78.920078][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.921544][ T5565] Call trace: [ 78.922039][ T5565] dump_backtrace+0x0/0x43c [ 78.922719][ T5565] show_stack+0x2c/0x3c [ 78.923382][ T5565] __dump_stack+0x30/0x40 [ 78.924035][ T5565] dump_stack_lvl+0xf8/0x160 [ 78.924691][ T5565] dump_stack+0x1c/0x5c [ 78.925316][ T5565] should_fail+0x3c0/0x51c [ 78.926001][ T5565] __should_failslab+0xbc/0x10c [ 78.926717][ T5565] should_failslab+0x10/0x28 [ 78.927422][ T5565] slab_pre_alloc_hook+0x64/0xec [ 78.928120][ T5565] kmem_cache_alloc+0x94/0x3e4 [ 78.928758][ T5565] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 78.929670][ T5565] btrfs_delayed_update_inode+0x3c/0x1b7c [ 78.930491][ T5565] btrfs_update_inode+0x210/0x3d4 [ 78.931315][ T5565] btrfs_create+0x360/0x508 [ 78.931965][ T5565] path_openat+0x1144/0x26e4 [ 78.932644][ T5565] do_filp_open+0x164/0x330 [ 78.933324][ T5565] do_sys_openat2+0x128/0x3d8 [ 78.933957][ T5565] __arm64_sys_openat+0x120/0x154 [ 78.934729][ T5565] invoke_syscall+0x98/0x2b8 [ 78.935400][ T5565] el0_svc_common+0x138/0x258 [ 78.936142][ T5565] do_el0_svc+0x58/0x14c [ 78.936752][ T5565] el0_svc+0x78/0x1e0 [ 78.937290][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 78.938015][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 79.088407][ T5587] loop0: detected capacity change from 0 to 32768 [ 79.179364][ T5587] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5587) [ 79.182358][ T5587] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.183665][ T5587] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.184938][ T5587] BTRFS info (device loop0): setting datacow [ 79.185904][ T5587] BTRFS info (device loop0): doing ref verification [ 79.187250][ T5587] BTRFS info (device loop0): force clearing of disk cache [ 79.188324][ T5587] BTRFS info (device loop0): turning off barriers [ 79.189409][ T5587] BTRFS info (device loop0): use zlib compression, level 3 [ 79.190574][ T5587] BTRFS info (device loop0): using free space tree [ 79.191527][ T5587] BTRFS info (device loop0): has skinny extents [ 79.199428][ T5587] BTRFS info (device loop0): clearing free space tree [ 79.200568][ T5587] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.202123][ T5587] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.205198][ T5587] BTRFS info (device loop0): creating free space tree [ 79.208104][ T5587] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.209670][ T5587] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.213655][ T5587] FAULT_INJECTION: forcing a failure. [ 79.213655][ T5587] name failslab, interval 1, probability 0, space 0, times 0 [ 79.215531][ T5587] CPU: 1 PID: 5587 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 79.216828][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.216932][ T5111] Bluetooth: hci1: command 0x0419 tx timeout [ 79.218400][ T5587] Call trace: [ 79.219924][ T5587] dump_backtrace+0x0/0x43c [ 79.220610][ T5587] show_stack+0x2c/0x3c [ 79.221218][ T5587] __dump_stack+0x30/0x40 [ 79.221873][ T5587] dump_stack_lvl+0xf8/0x160 [ 79.222587][ T5587] dump_stack+0x1c/0x5c [ 79.223224][ T5587] should_fail+0x3c0/0x51c [ 79.223871][ T5587] __should_failslab+0xbc/0x10c [ 79.224618][ T5587] should_failslab+0x10/0x28 [ 79.225294][ T5587] slab_pre_alloc_hook+0x64/0xec [ 79.226040][ T5587] kmem_cache_alloc+0x94/0x3e4 [ 79.226748][ T5587] btrfs_alloc_path+0x5c/0x68 [ 79.227470][ T5587] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.228285][ T5587] btrfs_add_link+0x294/0xa68 [ 79.229003][ T5587] btrfs_create+0x45c/0x508 [ 79.229702][ T5587] path_openat+0x1144/0x26e4 [ 79.230387][ T5587] do_filp_open+0x164/0x330 [ 79.231058][ T5587] do_sys_openat2+0x128/0x3d8 [ 79.231780][ T5587] __arm64_sys_openat+0x120/0x154 [ 79.232520][ T5587] invoke_syscall+0x98/0x2b8 [ 79.233213][ T5587] el0_svc_common+0x138/0x258 [ 79.233858][ T5587] do_el0_svc+0x58/0x14c [ 79.234441][ T5587] el0_svc+0x78/0x1e0 [ 79.235065][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 79.235790][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 79.237277][ T5587] ------------[ cut here ]------------ [ 79.238195][ T5587] WARNING: CPU: 1 PID: 5587 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.239574][ T5587] Modules linked in: [ 79.240077][ T5587] CPU: 1 PID: 5587 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 79.241336][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.242753][ T5587] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.243923][ T5587] pc : btrfs_add_link+0x6e8/0xa68 [ 79.244616][ T5587] lr : btrfs_add_link+0x6e8/0xa68 [ 79.245356][ T5587] sp : ffff8000237f7580 [ 79.245923][ T5587] x29: ffff8000237f7680 x28: ffff0000dea24e70 x27: 0000000000000108 [ 79.247106][ T5587] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.248295][ T5587] x23: 0000000000000014 x22: 1fffe0001bd449d9 x21: ffff7000046feeb8 [ 79.249441][ T5587] x20: 00000000fffffff4 x19: ffff0000dea24ec8 x18: 0000000000000001 [ 79.250621][ T5587] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 79.251789][ T5587] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.253031][ T5587] x11: 0000000000000000 x10: 0000000000000000 x9 : ff092b914d834100 [ 79.254198][ T5587] x8 : ff092b914d834100 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.255397][ T5587] x5 : ffff8000237f6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 79.256539][ T5587] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.257685][ T5587] Call trace: [ 79.258144][ T5587] btrfs_add_link+0x6e8/0xa68 [ 79.258862][ T5587] btrfs_create+0x45c/0x508 [ 79.259576][ T5587] path_openat+0x1144/0x26e4 [ 79.260226][ T5587] do_filp_open+0x164/0x330 [ 79.260875][ T5587] do_sys_openat2+0x128/0x3d8 [ 79.261623][ T5587] __arm64_sys_openat+0x120/0x154 [ 79.262347][ T5587] invoke_syscall+0x98/0x2b8 [ 79.263054][ T5587] el0_svc_common+0x138/0x258 [ 79.263708][ T5587] do_el0_svc+0x58/0x14c [ 79.264340][ T5587] el0_svc+0x78/0x1e0 [ 79.264896][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 79.265666][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 79.266336][ T5587] irq event stamp: 80408 [ 79.266973][ T5587] hardirqs last enabled at (80407): [] __up_console_sem+0xb4/0x100 [ 79.268378][ T5587] hardirqs last disabled at (80408): [] el1_dbg+0x24/0x80 [ 79.269652][ T5587] softirqs last enabled at (80388): [] handle_softirqs+0xa4c/0xbf0 [ 79.271081][ T5587] softirqs last disabled at (80349): [] __irq_exit_rcu+0x240/0x440 [ 79.272512][ T5587] ---[ end trace 8321087aa8c8c64e ]--- [ 79.274081][ T5587] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.275675][ T5587] BTRFS info (device loop0): forced readonly [ 79.441249][ T5609] loop0: detected capacity change from 0 to 32768 [ 79.482632][ T5609] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5609) [ 79.487944][ T5609] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.489461][ T5609] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.490664][ T5609] BTRFS info (device loop0): setting datacow [ 79.491499][ T5609] BTRFS info (device loop0): doing ref verification [ 79.492456][ T5609] BTRFS info (device loop0): force clearing of disk cache [ 79.493464][ T5609] BTRFS info (device loop0): turning off barriers [ 79.494437][ T5609] BTRFS info (device loop0): use zlib compression, level 3 [ 79.495497][ T5609] BTRFS info (device loop0): using free space tree [ 79.496395][ T5609] BTRFS info (device loop0): has skinny extents [ 79.514409][ T5609] BTRFS info (device loop0): clearing free space tree [ 79.515471][ T5609] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.517172][ T5609] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.520212][ T5609] BTRFS info (device loop0): creating free space tree [ 79.521565][ T5609] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.523095][ T5609] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.528040][ T5609] FAULT_INJECTION: forcing a failure. [ 79.528040][ T5609] name failslab, interval 1, probability 0, space 0, times 0 [ 79.529988][ T5609] CPU: 1 PID: 5609 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 79.531314][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.532793][ T5609] Call trace: [ 79.533271][ T5609] dump_backtrace+0x0/0x43c [ 79.533992][ T5609] show_stack+0x2c/0x3c [ 79.534619][ T5609] __dump_stack+0x30/0x40 [ 79.535308][ T5609] dump_stack_lvl+0xf8/0x160 [ 79.536051][ T5609] dump_stack+0x1c/0x5c [ 79.536675][ T5609] should_fail+0x3c0/0x51c [ 79.537347][ T5609] __should_failslab+0xbc/0x10c [ 79.538066][ T5609] should_failslab+0x10/0x28 [ 79.538825][ T5609] slab_pre_alloc_hook+0x64/0xec [ 79.539615][ T5609] kmem_cache_alloc+0x94/0x3e4 [ 79.540385][ T5609] btrfs_alloc_path+0x5c/0x68 [ 79.541164][ T5609] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.541961][ T5609] btrfs_add_link+0x294/0xa68 [ 79.542649][ T5609] btrfs_create+0x45c/0x508 [ 79.543323][ T5609] path_openat+0x1144/0x26e4 [ 79.544034][ T5609] do_filp_open+0x164/0x330 [ 79.544747][ T5609] do_sys_openat2+0x128/0x3d8 [ 79.545484][ T5609] __arm64_sys_openat+0x120/0x154 [ 79.546288][ T5609] invoke_syscall+0x98/0x2b8 [ 79.547036][ T5609] el0_svc_common+0x138/0x258 [ 79.547776][ T5609] do_el0_svc+0x58/0x14c [ 79.548408][ T5609] el0_svc+0x78/0x1e0 [ 79.549021][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 79.549807][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 79.560248][ T5609] ------------[ cut here ]------------ [ 79.561191][ T5609] WARNING: CPU: 1 PID: 5609 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.562557][ T5609] Modules linked in: [ 79.563176][ T5609] CPU: 1 PID: 5609 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 79.564546][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.566137][ T5609] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.567361][ T5609] pc : btrfs_add_link+0x6e8/0xa68 [ 79.568136][ T5609] lr : btrfs_add_link+0x6e8/0xa68 [ 79.568965][ T5609] sp : ffff8000226e7580 [ 79.569574][ T5609] x29: ffff8000226e7680 x28: ffff0000dea244d0 x27: 0000000000000108 [ 79.570810][ T5609] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.572031][ T5609] x23: 0000000000000014 x22: 1fffe0001bd448a5 x21: ffff7000044dceb8 [ 79.573223][ T5609] x20: 00000000fffffff4 x19: ffff0000dea24528 x18: 0000000000000001 [ 79.574506][ T5609] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 79.575843][ T5609] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.577142][ T5609] x11: 0000000000000000 x10: 0000000000000000 x9 : 93481a1a822c0a00 [ 79.578431][ T5609] x8 : 93481a1a822c0a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.579708][ T5609] x5 : ffff8000226e6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 79.581012][ T5609] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.582332][ T5609] Call trace: [ 79.582830][ T5609] btrfs_add_link+0x6e8/0xa68 [ 79.583546][ T5609] btrfs_create+0x45c/0x508 [ 79.584234][ T5609] path_openat+0x1144/0x26e4 [ 79.584936][ T5609] do_filp_open+0x164/0x330 [ 79.585652][ T5609] do_sys_openat2+0x128/0x3d8 [ 79.586368][ T5609] __arm64_sys_openat+0x120/0x154 [ 79.587133][ T5609] invoke_syscall+0x98/0x2b8 [ 79.587859][ T5609] el0_svc_common+0x138/0x258 [ 79.588628][ T5609] do_el0_svc+0x58/0x14c [ 79.589269][ T5609] el0_svc+0x78/0x1e0 [ 79.589861][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 79.590599][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 79.591278][ T5609] irq event stamp: 80134 [ 79.591921][ T5609] hardirqs last enabled at (80133): [] __up_console_sem+0xb4/0x100 [ 79.593238][ T5609] hardirqs last disabled at (80134): [] el1_dbg+0x24/0x80 [ 79.594539][ T5609] softirqs last enabled at (80114): [] handle_softirqs+0xa4c/0xbf0 [ 79.595915][ T5609] softirqs last disabled at (80087): [] __irq_exit_rcu+0x240/0x440 [ 79.597229][ T5609] ---[ end trace 8321087aa8c8c64f ]--- [ 79.598966][ T5609] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.600357][ T5609] BTRFS info (device loop0): forced readonly [ 79.776972][ T5631] loop0: detected capacity change from 0 to 32768 [ 79.867594][ T5631] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5631) [ 79.927761][ T5631] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.929039][ T5631] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.930259][ T5631] BTRFS info (device loop0): setting datacow [ 79.931150][ T5631] BTRFS info (device loop0): doing ref verification [ 79.932167][ T5631] BTRFS info (device loop0): force clearing of disk cache [ 79.952023][ T5631] FAULT_INJECTION: forcing a failure. [ 79.952023][ T5631] name failslab, interval 1, probability 0, space 0, times 0 [ 79.954071][ T5631] CPU: 1 PID: 5631 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 79.955253][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.956653][ T5631] Call trace: [ 79.957099][ T5631] dump_backtrace+0x0/0x43c [ 79.957765][ T5631] show_stack+0x2c/0x3c [ 79.958380][ T5631] __dump_stack+0x30/0x40 [ 79.958997][ T5631] dump_stack_lvl+0xf8/0x160 [ 79.959670][ T5631] dump_stack+0x1c/0x5c [ 79.960298][ T5631] should_fail+0x3c0/0x51c [ 79.960911][ T5631] __should_failslab+0xbc/0x10c [ 79.961628][ T5631] should_failslab+0x10/0x28 [ 79.962256][ T5631] slab_pre_alloc_hook+0x64/0xec [ 79.962921][ T5631] kmem_cache_alloc+0x94/0x3e4 [ 79.963616][ T5631] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 79.964529][ T5631] btrfs_delayed_update_inode+0x3c/0x1b7c [ 79.965410][ T5631] btrfs_update_inode+0x210/0x3d4 [ 79.966086][ T5631] btrfs_create+0x360/0x508 [ 79.966759][ T5631] path_openat+0x1144/0x26e4 [ 79.967423][ T5631] do_filp_open+0x164/0x330 [ 79.968097][ T5631] do_sys_openat2+0x128/0x3d8 [ 79.968848][ T5631] __arm64_sys_openat+0x120/0x154 [ 79.969586][ T5631] invoke_syscall+0x98/0x2b8 [ 79.970230][ T5631] el0_svc_common+0x138/0x258 [ 79.970896][ T5631] do_el0_svc+0x58/0x14c [ 79.971561][ T5631] el0_svc+0x78/0x1e0 [ 79.972176][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 79.972911][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 80.144081][ T5652] loop0: detected capacity change from 0 to 32768 [ 80.181507][ T5652] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5652) [ 80.201344][ T5652] FAULT_INJECTION: forcing a failure. [ 80.201344][ T5652] name failslab, interval 1, probability 0, space 0, times 0 [ 80.203305][ T5652] CPU: 0 PID: 5652 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 80.204609][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.206120][ T5652] Call trace: [ 80.206635][ T5652] dump_backtrace+0x0/0x43c [ 80.207329][ T5652] show_stack+0x2c/0x3c [ 80.207934][ T5652] __dump_stack+0x30/0x40 [ 80.208601][ T5652] dump_stack_lvl+0xf8/0x160 [ 80.209290][ T5652] dump_stack+0x1c/0x5c [ 80.209874][ T5652] should_fail+0x3c0/0x51c [ 80.210471][ T5652] __should_failslab+0xbc/0x10c [ 80.211190][ T5652] should_failslab+0x10/0x28 [ 80.211850][ T5652] slab_pre_alloc_hook+0x64/0xec [ 80.212530][ T5652] kmem_cache_alloc+0x94/0x3e4 [ 80.213240][ T5652] btrfs_alloc_path+0x5c/0x68 [ 80.213937][ T5652] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.214669][ T5652] btrfs_add_link+0x294/0xa68 [ 80.215303][ T5652] btrfs_create+0x45c/0x508 [ 80.215977][ T5652] path_openat+0x1144/0x26e4 [ 80.216668][ T5652] do_filp_open+0x164/0x330 [ 80.217322][ T5652] do_sys_openat2+0x128/0x3d8 [ 80.218032][ T5652] __arm64_sys_openat+0x120/0x154 [ 80.218742][ T5652] invoke_syscall+0x98/0x2b8 [ 80.219364][ T5652] el0_svc_common+0x138/0x258 [ 80.220048][ T5652] do_el0_svc+0x58/0x14c [ 80.220638][ T5652] el0_svc+0x78/0x1e0 [ 80.221231][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 80.221998][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 80.223747][ T5652] ------------[ cut here ]------------ [ 80.224710][ T5652] WARNING: CPU: 0 PID: 5652 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.225997][ T5652] Modules linked in: [ 80.226560][ T5652] CPU: 0 PID: 5652 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 80.227864][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.229414][ T5652] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.230594][ T5652] pc : btrfs_add_link+0x6e8/0xa68 [ 80.231343][ T5652] lr : btrfs_add_link+0x6e8/0xa68 [ 80.232041][ T5652] sp : ffff800023cb7580 [ 80.232634][ T5652] x29: ffff800023cb7680 x28: ffff0000deac2840 x27: 0000000000000108 [ 80.233783][ T5652] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.234976][ T5652] x23: 0000000000000014 x22: 1fffe0001bd58513 x21: ffff700004796eb8 [ 80.236167][ T5652] x20: 00000000fffffff4 x19: ffff0000deac2898 x18: 0000000000000001 [ 80.237330][ T5652] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 80.238553][ T5652] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.239750][ T5652] x11: 0000000000000000 x10: 0000000000000000 x9 : c402b5163a0d3600 [ 80.240876][ T5652] x8 : c402b5163a0d3600 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.242036][ T5652] x5 : ffff800023cb6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 80.243265][ T5652] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.244402][ T5652] Call trace: [ 80.244860][ T5652] btrfs_add_link+0x6e8/0xa68 [ 80.245502][ T5652] btrfs_create+0x45c/0x508 [ 80.246138][ T5652] path_openat+0x1144/0x26e4 [ 80.246817][ T5652] do_filp_open+0x164/0x330 [ 80.247552][ T5652] do_sys_openat2+0x128/0x3d8 [ 80.248297][ T5652] __arm64_sys_openat+0x120/0x154 [ 80.249086][ T5652] invoke_syscall+0x98/0x2b8 [ 80.249842][ T5652] el0_svc_common+0x138/0x258 [ 80.250553][ T5652] do_el0_svc+0x58/0x14c [ 80.251221][ T5652] el0_svc+0x78/0x1e0 [ 80.251856][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 80.252603][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 80.253268][ T5652] irq event stamp: 80008 [ 80.253919][ T5652] hardirqs last enabled at (80007): [] __up_console_sem+0xb4/0x100 [ 80.255338][ T5652] hardirqs last disabled at (80008): [] el1_dbg+0x24/0x80 [ 80.256673][ T5652] softirqs last enabled at (79988): [] handle_softirqs+0xa4c/0xbf0 [ 80.258062][ T5652] softirqs last disabled at (79941): [] __irq_exit_rcu+0x240/0x440 [ 80.259554][ T5652] ---[ end trace 8321087aa8c8c650 ]--- [ 80.260614][ T5652] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.426204][ T5674] loop0: detected capacity change from 0 to 32768 [ 80.468759][ T5674] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5674) [ 80.489080][ T5674] FAULT_INJECTION: forcing a failure. [ 80.489080][ T5674] name failslab, interval 1, probability 0, space 0, times 0 [ 80.491055][ T5674] CPU: 0 PID: 5674 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 80.492361][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.493839][ T5674] Call trace: [ 80.494315][ T5674] dump_backtrace+0x0/0x43c [ 80.495006][ T5674] show_stack+0x2c/0x3c [ 80.495617][ T5674] __dump_stack+0x30/0x40 [ 80.496235][ T5674] dump_stack_lvl+0xf8/0x160 [ 80.496891][ T5674] dump_stack+0x1c/0x5c [ 80.497507][ T5674] should_fail+0x3c0/0x51c [ 80.498173][ T5674] __should_failslab+0xbc/0x10c [ 80.498920][ T5674] should_failslab+0x10/0x28 [ 80.499636][ T5674] slab_pre_alloc_hook+0x64/0xec [ 80.500372][ T5674] kmem_cache_alloc+0x94/0x3e4 [ 80.501052][ T5674] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 80.502012][ T5674] btrfs_delayed_update_inode+0x3c/0x1b7c [ 80.502883][ T5674] btrfs_update_inode+0x210/0x3d4 [ 80.503632][ T5674] btrfs_create+0x360/0x508 [ 80.504340][ T5674] path_openat+0x1144/0x26e4 [ 80.504965][ T5674] do_filp_open+0x164/0x330 [ 80.505587][ T5674] do_sys_openat2+0x128/0x3d8 [ 80.506275][ T5674] __arm64_sys_openat+0x120/0x154 [ 80.507024][ T5674] invoke_syscall+0x98/0x2b8 [ 80.507697][ T5674] el0_svc_common+0x138/0x258 [ 80.508396][ T5674] do_el0_svc+0x58/0x14c [ 80.508994][ T5674] el0_svc+0x78/0x1e0 [ 80.509587][ T5674] el0t_64_sync_handler+0xcc/0xe4 [ 80.510238][ T5674] el0t_64_sync+0x1a0/0x1a4 [ 80.556801][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4905) [ 80.651084][ T5695] loop0: detected capacity change from 0 to 32768 [ 80.796250][ T5695] FAULT_INJECTION: forcing a failure. [ 80.796250][ T5695] name failslab, interval 1, probability 0, space 0, times 0 [ 80.798575][ T5695] CPU: 1 PID: 5695 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 80.799911][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.801397][ T5695] Call trace: [ 80.801908][ T5695] dump_backtrace+0x0/0x43c [ 80.802675][ T5695] show_stack+0x2c/0x3c [ 80.803338][ T5695] __dump_stack+0x30/0x40 [ 80.804035][ T5695] dump_stack_lvl+0xf8/0x160 [ 80.804776][ T5695] dump_stack+0x1c/0x5c [ 80.805414][ T5695] should_fail+0x3c0/0x51c [ 80.806130][ T5695] __should_failslab+0xbc/0x10c [ 80.806926][ T5695] should_failslab+0x10/0x28 [ 80.807724][ T5695] slab_pre_alloc_hook+0x64/0xec [ 80.808423][ T5695] kmem_cache_alloc+0x94/0x3e4 [ 80.809100][ T5695] btrfs_alloc_path+0x5c/0x68 [ 80.809805][ T5695] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.810634][ T5695] btrfs_add_link+0x294/0xa68 [ 80.811355][ T5695] btrfs_create+0x45c/0x508 [ 80.812016][ T5695] path_openat+0x1144/0x26e4 [ 80.812637][ T5695] do_filp_open+0x164/0x330 [ 80.813306][ T5695] do_sys_openat2+0x128/0x3d8 [ 80.813946][ T5695] __arm64_sys_openat+0x120/0x154 [ 80.814673][ T5695] invoke_syscall+0x98/0x2b8 [ 80.815358][ T5695] el0_svc_common+0x138/0x258 [ 80.816041][ T5695] do_el0_svc+0x58/0x14c [ 80.816704][ T5695] el0_svc+0x78/0x1e0 [ 80.817264][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 80.818002][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 80.818796][ T5695] ------------[ cut here ]------------ [ 80.819670][ T5695] WARNING: CPU: 1 PID: 5695 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.820951][ T5695] Modules linked in: [ 80.821480][ T5695] CPU: 1 PID: 5695 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 80.822704][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.824109][ T5695] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.825211][ T5695] pc : btrfs_add_link+0x6e8/0xa68 [ 80.825877][ T5695] lr : btrfs_add_link+0x6e8/0xa68 [ 80.826605][ T5695] sp : ffff800023eb7580 [ 80.827248][ T5695] x29: ffff800023eb7680 x28: ffff0000de887160 x27: 0000000000000108 [ 80.828331][ T5695] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.829495][ T5695] x23: 0000000000000014 x22: 1fffe0001bd10e37 x21: ffff7000047d6eb8 [ 80.830742][ T5695] x20: 00000000fffffff4 x19: ffff0000de8871b8 x18: 0000000000000001 [ 80.831952][ T5695] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 80.833226][ T5695] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.834362][ T5695] x11: 0000000000000000 x10: 0000000000000000 x9 : c9d3c35983008200 [ 80.835652][ T5695] x8 : c9d3c35983008200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.836863][ T5695] x5 : ffff800023eb6e78 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 80.838023][ T5695] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.839207][ T5695] Call trace: [ 80.839647][ T5695] btrfs_add_link+0x6e8/0xa68 [ 80.840369][ T5695] btrfs_create+0x45c/0x508 [ 80.840962][ T5695] path_openat+0x1144/0x26e4 [ 80.841620][ T5695] do_filp_open+0x164/0x330 [ 80.842266][ T5695] do_sys_openat2+0x128/0x3d8 [ 80.842977][ T5695] __arm64_sys_openat+0x120/0x154 [ 80.843723][ T5695] invoke_syscall+0x98/0x2b8 [ 80.844426][ T5695] el0_svc_common+0x138/0x258 [ 80.845140][ T5695] do_el0_svc+0x58/0x14c [ 80.845727][ T5695] el0_svc+0x78/0x1e0 [ 80.846371][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 80.847121][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 80.847843][ T5695] irq event stamp: 79936 [ 80.848506][ T5695] hardirqs last enabled at (79935): [] __up_console_sem+0xb4/0x100 [ 80.849974][ T5695] hardirqs last disabled at (79936): [] el1_dbg+0x24/0x80 [ 80.851352][ T5695] softirqs last enabled at (79916): [] handle_softirqs+0xa4c/0xbf0 [ 80.852803][ T5695] softirqs last disabled at (79895): [] __irq_exit_rcu+0x240/0x440 [ 80.854233][ T5695] ---[ end trace 8321087aa8c8c651 ]--- [ 80.856911][ T5695] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.991283][ T5718] loop0: detected capacity change from 0 to 32768 [ 80.995119][ T5718] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5718) [ 81.010477][ T5718] FAULT_INJECTION: forcing a failure. [ 81.010477][ T5718] name failslab, interval 1, probability 0, space 0, times 0 [ 81.012549][ T5718] CPU: 1 PID: 5718 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 81.013853][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.015375][ T5718] Call trace: [ 81.015890][ T5718] dump_backtrace+0x0/0x43c [ 81.016521][ T5718] show_stack+0x2c/0x3c [ 81.017138][ T5718] __dump_stack+0x30/0x40 [ 81.017760][ T5718] dump_stack_lvl+0xf8/0x160 [ 81.018395][ T5718] dump_stack+0x1c/0x5c [ 81.019035][ T5718] should_fail+0x3c0/0x51c [ 81.019671][ T5718] __should_failslab+0xbc/0x10c [ 81.020505][ T5718] should_failslab+0x10/0x28 [ 81.021189][ T5718] slab_pre_alloc_hook+0x64/0xec [ 81.021930][ T5718] kmem_cache_alloc+0x94/0x3e4 [ 81.022602][ T5718] btrfs_alloc_path+0x5c/0x68 [ 81.023327][ T5718] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.024155][ T5718] btrfs_add_link+0x294/0xa68 [ 81.024865][ T5718] btrfs_create+0x45c/0x508 [ 81.025552][ T5718] path_openat+0x1144/0x26e4 [ 81.026256][ T5718] do_filp_open+0x164/0x330 [ 81.026956][ T5718] do_sys_openat2+0x128/0x3d8 [ 81.027696][ T5718] __arm64_sys_openat+0x120/0x154 [ 81.028472][ T5718] invoke_syscall+0x98/0x2b8 [ 81.029161][ T5718] el0_svc_common+0x138/0x258 [ 81.029890][ T5718] do_el0_svc+0x58/0x14c [ 81.030606][ T5718] el0_svc+0x78/0x1e0 [ 81.031245][ T5718] el0t_64_sync_handler+0xcc/0xe4 [ 81.032105][ T5718] el0t_64_sync+0x1a0/0x1a4 [ 81.034834][ T5718] ------------[ cut here ]------------ [ 81.035814][ T5718] WARNING: CPU: 1 PID: 5718 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.037221][ T5718] Modules linked in: [ 81.037872][ T5718] CPU: 1 PID: 5718 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 81.039239][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.040707][ T5718] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.041840][ T5718] pc : btrfs_add_link+0x6e8/0xa68 [ 81.042572][ T5718] lr : btrfs_add_link+0x6e8/0xa68 [ 81.043317][ T5718] sp : ffff800023ea7580 [ 81.043885][ T5718] x29: ffff800023ea7680 x28: ffff0000de887420 x27: 0000000000000108 [ 81.044972][ T5718] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.046089][ T5718] x23: 0000000000000014 x22: 1fffe0001bd10e8f x21: ffff7000047d4eb8 [ 81.047258][ T5718] x20: 00000000fffffff4 x19: ffff0000de887478 x18: 0000000000000001 [ 81.048482][ T5718] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 81.049665][ T5718] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.050825][ T5718] x11: 0000000000000000 x10: 0000000000000000 x9 : af22156ae6bd4900 [ 81.052003][ T5718] x8 : af22156ae6bd4900 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.053206][ T5718] x5 : ffff800023ea6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 81.054395][ T5718] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.055572][ T5718] Call trace: [ 81.056071][ T5718] btrfs_add_link+0x6e8/0xa68 [ 81.056726][ T5718] btrfs_create+0x45c/0x508 [ 81.057375][ T5718] path_openat+0x1144/0x26e4 [ 81.058184][ T5718] do_filp_open+0x164/0x330 [ 81.058903][ T5718] do_sys_openat2+0x128/0x3d8 [ 81.059663][ T5718] __arm64_sys_openat+0x120/0x154 [ 81.060466][ T5718] invoke_syscall+0x98/0x2b8 [ 81.061135][ T5718] el0_svc_common+0x138/0x258 [ 81.061836][ T5718] do_el0_svc+0x58/0x14c [ 81.062457][ T5718] el0_svc+0x78/0x1e0 [ 81.063015][ T5718] el0t_64_sync_handler+0xcc/0xe4 [ 81.063793][ T5718] el0t_64_sync+0x1a0/0x1a4 [ 81.064450][ T5718] irq event stamp: 80678 [ 81.065100][ T5718] hardirqs last enabled at (80677): [] __up_console_sem+0xb4/0x100 [ 81.066496][ T5718] hardirqs last disabled at (80678): [] el1_dbg+0x24/0x80 [ 81.067806][ T5718] softirqs last enabled at (80658): [] handle_softirqs+0xa4c/0xbf0 [ 81.069241][ T5718] softirqs last disabled at (80641): [] __irq_exit_rcu+0x240/0x440 [ 81.070607][ T5718] ---[ end trace 8321087aa8c8c652 ]--- [ 81.071728][ T5718] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory 1970/01/01 00:01:21 executed programs: 31 [ 81.247795][ T5739] loop0: detected capacity change from 0 to 32768 [ 81.298957][ T5739] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5739) [ 81.328263][ T5739] FAULT_INJECTION: forcing a failure. [ 81.328263][ T5739] name failslab, interval 1, probability 0, space 0, times 0 [ 81.330313][ T5739] CPU: 0 PID: 5739 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 81.331551][ T5739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.333096][ T5739] Call trace: [ 81.333591][ T5739] dump_backtrace+0x0/0x43c [ 81.334280][ T5739] show_stack+0x2c/0x3c [ 81.334886][ T5739] __dump_stack+0x30/0x40 [ 81.335488][ T5739] dump_stack_lvl+0xf8/0x160 [ 81.336151][ T5739] dump_stack+0x1c/0x5c [ 81.336794][ T5739] should_fail+0x3c0/0x51c [ 81.337434][ T5739] __should_failslab+0xbc/0x10c [ 81.338228][ T5739] should_failslab+0x10/0x28 [ 81.338938][ T5739] slab_pre_alloc_hook+0x64/0xec [ 81.339646][ T5739] kmem_cache_alloc+0x94/0x3e4 [ 81.340353][ T5739] btrfs_alloc_path+0x5c/0x68 [ 81.341025][ T5739] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.341771][ T5739] btrfs_add_link+0x294/0xa68 [ 81.342398][ T5739] btrfs_create+0x45c/0x508 [ 81.343029][ T5739] path_openat+0x1144/0x26e4 [ 81.343719][ T5739] do_filp_open+0x164/0x330 [ 81.344394][ T5739] do_sys_openat2+0x128/0x3d8 [ 81.345059][ T5739] __arm64_sys_openat+0x120/0x154 [ 81.345845][ T5739] invoke_syscall+0x98/0x2b8 [ 81.346560][ T5739] el0_svc_common+0x138/0x258 [ 81.347271][ T5739] do_el0_svc+0x58/0x14c [ 81.347907][ T5739] el0_svc+0x78/0x1e0 [ 81.348493][ T5739] el0t_64_sync_handler+0xcc/0xe4 [ 81.349171][ T5739] el0t_64_sync+0x1a0/0x1a4 [ 81.351357][ T5739] ------------[ cut here ]------------ [ 81.352309][ T5739] WARNING: CPU: 0 PID: 5739 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.353693][ T5739] Modules linked in: [ 81.354275][ T5739] CPU: 0 PID: 5739 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 81.355583][ T5739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.357170][ T5739] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.358398][ T5739] pc : btrfs_add_link+0x6e8/0xa68 [ 81.359121][ T5739] lr : btrfs_add_link+0x6e8/0xa68 [ 81.359906][ T5739] sp : ffff800023ea7580 [ 81.360494][ T5739] x29: ffff800023ea7680 x28: ffff0000deac2160 x27: 0000000000000108 [ 81.361745][ T5739] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.362986][ T5739] x23: 0000000000000014 x22: 1fffe0001bd58437 x21: ffff7000047d4eb8 [ 81.364289][ T5739] x20: 00000000fffffff4 x19: ffff0000deac21b8 x18: 0000000000000001 [ 81.365478][ T5739] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 81.366687][ T5739] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.367862][ T5739] x11: 0000000000000000 x10: 0000000000000000 x9 : febd17c652104400 [ 81.369051][ T5739] x8 : febd17c652104400 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.370288][ T5739] x5 : ffff800023ea6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 81.371454][ T5739] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.372678][ T5739] Call trace: [ 81.373154][ T5739] btrfs_add_link+0x6e8/0xa68 [ 81.373822][ T5739] btrfs_create+0x45c/0x508 [ 81.374473][ T5739] path_openat+0x1144/0x26e4 [ 81.375169][ T5739] do_filp_open+0x164/0x330 [ 81.375872][ T5739] do_sys_openat2+0x128/0x3d8 [ 81.376549][ T5739] __arm64_sys_openat+0x120/0x154 [ 81.377243][ T5739] invoke_syscall+0x98/0x2b8 [ 81.377885][ T5739] el0_svc_common+0x138/0x258 [ 81.378580][ T5739] do_el0_svc+0x58/0x14c [ 81.379206][ T5739] el0_svc+0x78/0x1e0 [ 81.379780][ T5739] el0t_64_sync_handler+0xcc/0xe4 [ 81.380567][ T5739] el0t_64_sync+0x1a0/0x1a4 [ 81.381242][ T5739] irq event stamp: 80150 [ 81.381888][ T5739] hardirqs last enabled at (80149): [] __up_console_sem+0xb4/0x100 [ 81.383359][ T5739] hardirqs last disabled at (80150): [] el1_dbg+0x24/0x80 [ 81.384648][ T5739] softirqs last enabled at (80130): [] handle_softirqs+0xa4c/0xbf0 [ 81.386047][ T5739] softirqs last disabled at (80081): [] __irq_exit_rcu+0x240/0x440 [ 81.387470][ T5739] ---[ end trace 8321087aa8c8c653 ]--- [ 81.388668][ T5739] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.522198][ T5761] loop0: detected capacity change from 0 to 32768 [ 81.525947][ T5761] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5761) [ 81.552731][ T5761] FAULT_INJECTION: forcing a failure. [ 81.552731][ T5761] name failslab, interval 1, probability 0, space 0, times 0 [ 81.554715][ T5761] CPU: 0 PID: 5761 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 81.555949][ T5761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.557427][ T5761] Call trace: [ 81.557905][ T5761] dump_backtrace+0x0/0x43c [ 81.558555][ T5761] show_stack+0x2c/0x3c [ 81.559160][ T5761] __dump_stack+0x30/0x40 [ 81.559822][ T5761] dump_stack_lvl+0xf8/0x160 [ 81.560595][ T5761] dump_stack+0x1c/0x5c [ 81.561152][ T5761] should_fail+0x3c0/0x51c [ 81.561789][ T5761] __should_failslab+0xbc/0x10c [ 81.562466][ T5761] should_failslab+0x10/0x28 [ 81.563110][ T5761] slab_pre_alloc_hook+0x64/0xec [ 81.563902][ T5761] kmem_cache_alloc+0x94/0x3e4 [ 81.564584][ T5761] btrfs_alloc_path+0x5c/0x68 [ 81.565271][ T5761] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.566060][ T5761] btrfs_add_link+0x294/0xa68 [ 81.566750][ T5761] btrfs_create+0x45c/0x508 [ 81.567376][ T5761] path_openat+0x1144/0x26e4 [ 81.568029][ T5761] do_filp_open+0x164/0x330 [ 81.568682][ T5761] do_sys_openat2+0x128/0x3d8 [ 81.569365][ T5761] __arm64_sys_openat+0x120/0x154 [ 81.570085][ T5761] invoke_syscall+0x98/0x2b8 [ 81.570747][ T5761] el0_svc_common+0x138/0x258 [ 81.571433][ T5761] do_el0_svc+0x58/0x14c [ 81.572089][ T5761] el0_svc+0x78/0x1e0 [ 81.572659][ T5761] el0t_64_sync_handler+0xcc/0xe4 [ 81.573393][ T5761] el0t_64_sync+0x1a0/0x1a4 [ 81.576189][ T5761] ------------[ cut here ]------------ [ 81.577207][ T5761] WARNING: CPU: 0 PID: 5761 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.578493][ T5761] Modules linked in: [ 81.579105][ T5761] CPU: 0 PID: 5761 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 81.580331][ T5761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.581789][ T5761] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.582933][ T5761] pc : btrfs_add_link+0x6e8/0xa68 [ 81.583707][ T5761] lr : btrfs_add_link+0x6e8/0xa68 [ 81.584388][ T5761] sp : ffff800023ea7580 [ 81.584924][ T5761] x29: ffff800023ea7680 x28: ffff0000dea248f0 x27: 0000000000000108 [ 81.586036][ T5761] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.587173][ T5761] x23: 0000000000000014 x22: 1fffe0001bd44929 x21: ffff7000047d4eb8 [ 81.588307][ T5761] x20: 00000000fffffff4 x19: ffff0000dea24948 x18: 0000000000000001 [ 81.589476][ T5761] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 81.590708][ T5761] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.591868][ T5761] x11: 0000000000000000 x10: 0000000000000000 x9 : 089ba262d884d700 [ 81.593070][ T5761] x8 : 089ba262d884d700 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.594219][ T5761] x5 : ffff800023ea6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 81.595470][ T5761] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.596598][ T5761] Call trace: [ 81.597055][ T5761] btrfs_add_link+0x6e8/0xa68 [ 81.597706][ T5761] btrfs_create+0x45c/0x508 [ 81.598338][ T5761] path_openat+0x1144/0x26e4 [ 81.598994][ T5761] do_filp_open+0x164/0x330 [ 81.599613][ T5761] do_sys_openat2+0x128/0x3d8 [ 81.600304][ T5761] __arm64_sys_openat+0x120/0x154 [ 81.601053][ T5761] invoke_syscall+0x98/0x2b8 [ 81.601747][ T5761] el0_svc_common+0x138/0x258 [ 81.602398][ T5761] do_el0_svc+0x58/0x14c [ 81.603096][ T5761] el0_svc+0x78/0x1e0 [ 81.603640][ T5761] el0t_64_sync_handler+0xcc/0xe4 [ 81.604393][ T5761] el0t_64_sync+0x1a0/0x1a4 [ 81.605051][ T5761] irq event stamp: 80524 [ 81.605666][ T5761] hardirqs last enabled at (80523): [] __up_console_sem+0xb4/0x100 [ 81.607011][ T5761] hardirqs last disabled at (80524): [] el1_dbg+0x24/0x80 [ 81.608265][ T5761] softirqs last enabled at (80514): [] handle_softirqs+0xa4c/0xbf0 [ 81.609642][ T5761] softirqs last disabled at (80507): [] __irq_exit_rcu+0x240/0x440 [ 81.610997][ T5761] ---[ end trace 8321087aa8c8c654 ]--- [ 81.613811][ T5761] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.760120][ T5783] loop0: detected capacity change from 0 to 32768 [ 81.764504][ T5783] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5783) [ 81.832292][ T5783] FAULT_INJECTION: forcing a failure. [ 81.832292][ T5783] name failslab, interval 1, probability 0, space 0, times 0 [ 81.834392][ T5783] CPU: 1 PID: 5783 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 81.835730][ T5783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.837292][ T5783] Call trace: [ 81.837785][ T5783] dump_backtrace+0x0/0x43c [ 81.838508][ T5783] show_stack+0x2c/0x3c [ 81.839121][ T5783] __dump_stack+0x30/0x40 [ 81.839785][ T5783] dump_stack_lvl+0xf8/0x160 [ 81.840504][ T5783] dump_stack+0x1c/0x5c [ 81.841114][ T5783] should_fail+0x3c0/0x51c [ 81.841763][ T5783] __should_failslab+0xbc/0x10c [ 81.842460][ T5783] should_failslab+0x10/0x28 [ 81.843143][ T5783] slab_pre_alloc_hook+0x64/0xec [ 81.843894][ T5783] kmem_cache_alloc+0x94/0x3e4 [ 81.844582][ T5783] btrfs_alloc_path+0x5c/0x68 [ 81.845272][ T5783] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.846047][ T5783] btrfs_add_link+0x294/0xa68 [ 81.846774][ T5783] btrfs_create+0x45c/0x508 [ 81.847469][ T5783] path_openat+0x1144/0x26e4 [ 81.848164][ T5783] do_filp_open+0x164/0x330 [ 81.848828][ T5783] do_sys_openat2+0x128/0x3d8 [ 81.849488][ T5783] __arm64_sys_openat+0x120/0x154 [ 81.850213][ T5783] invoke_syscall+0x98/0x2b8 [ 81.850869][ T5783] el0_svc_common+0x138/0x258 [ 81.851541][ T5783] do_el0_svc+0x58/0x14c [ 81.852177][ T5783] el0_svc+0x78/0x1e0 [ 81.852773][ T5783] el0t_64_sync_handler+0xcc/0xe4 [ 81.853491][ T5783] el0t_64_sync+0x1a0/0x1a4 [ 81.876795][ T5783] ------------[ cut here ]------------ [ 81.877787][ T5783] WARNING: CPU: 1 PID: 5783 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.879075][ T5783] Modules linked in: [ 81.879619][ T5783] CPU: 1 PID: 5783 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 81.880900][ T5783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.882248][ T5783] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.883452][ T5783] pc : btrfs_add_link+0x6e8/0xa68 [ 81.884162][ T5783] lr : btrfs_add_link+0x6e8/0xa68 [ 81.884926][ T5783] sp : ffff800023ea7580 [ 81.885520][ T5783] x29: ffff800023ea7680 x28: ffff0000de8876e0 x27: 0000000000000108 [ 81.886869][ T5783] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.888202][ T5783] x23: 0000000000000014 x22: 1fffe0001bd10ee7 x21: ffff7000047d4eb8 [ 81.889510][ T5783] x20: 00000000fffffff4 x19: ffff0000de887738 x18: 0000000000000001 [ 81.890801][ T5783] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 81.892078][ T5783] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.893345][ T5783] x11: 0000000000000000 x10: 0000000000000000 x9 : 7ac985cbfb04fd00 [ 81.894540][ T5783] x8 : 7ac985cbfb04fd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.895757][ T5783] x5 : ffff800023ea6e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 81.896938][ T5783] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.898142][ T5783] Call trace: [ 81.898620][ T5783] btrfs_add_link+0x6e8/0xa68 [ 81.899275][ T5783] btrfs_create+0x45c/0x508 [ 81.899933][ T5783] path_openat+0x1144/0x26e4 [ 81.900602][ T5783] do_filp_open+0x164/0x330 [ 81.901247][ T5783] do_sys_openat2+0x128/0x3d8 [ 81.901863][ T5783] __arm64_sys_openat+0x120/0x154 [ 81.902551][ T5783] invoke_syscall+0x98/0x2b8 [ 81.903219][ T5783] el0_svc_common+0x138/0x258 [ 81.903897][ T5783] do_el0_svc+0x58/0x14c [ 81.904469][ T5783] el0_svc+0x78/0x1e0 [ 81.905012][ T5783] el0t_64_sync_handler+0xcc/0xe4 [ 81.905721][ T5783] el0t_64_sync+0x1a0/0x1a4 [ 81.906352][ T5783] irq event stamp: 79928 [ 81.906973][ T5783] hardirqs last enabled at (79927): [] __up_console_sem+0xb4/0x100 [ 81.908297][ T5783] hardirqs last disabled at (79928): [] el1_dbg+0x24/0x80 [ 81.909552][ T5783] softirqs last enabled at (79908): [] handle_softirqs+0xa4c/0xbf0 [ 81.910888][ T5783] softirqs last disabled at (79869): [] __irq_exit_rcu+0x240/0x440 [ 81.912157][ T5783] ---[ end trace 8321087aa8c8c655 ]--- [ 81.913171][ T5783] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.101127][ T5805] loop0: detected capacity change from 0 to 32768 [ 82.152327][ T5805] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5805) [ 82.189113][ T5805] FAULT_INJECTION: forcing a failure. [ 82.189113][ T5805] name failslab, interval 1, probability 0, space 0, times 0 [ 82.191168][ T5805] CPU: 0 PID: 5805 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.192506][ T5805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.194058][ T5805] Call trace: [ 82.194549][ T5805] dump_backtrace+0x0/0x43c [ 82.195248][ T5805] show_stack+0x2c/0x3c [ 82.195842][ T5805] __dump_stack+0x30/0x40 [ 82.196529][ T5805] dump_stack_lvl+0xf8/0x160 [ 82.197216][ T5805] dump_stack+0x1c/0x5c [ 82.197869][ T5805] should_fail+0x3c0/0x51c [ 82.198539][ T5805] __should_failslab+0xbc/0x10c [ 82.199357][ T5805] should_failslab+0x10/0x28 [ 82.200089][ T5805] slab_pre_alloc_hook+0x64/0xec [ 82.200831][ T5805] kmem_cache_alloc+0x94/0x3e4 [ 82.201580][ T5805] btrfs_alloc_path+0x5c/0x68 [ 82.202268][ T5805] btrfs_insert_dir_item+0x16c/0x3b8 [ 82.203055][ T5805] btrfs_add_link+0x294/0xa68 [ 82.203784][ T5805] btrfs_create+0x45c/0x508 [ 82.204498][ T5805] path_openat+0x1144/0x26e4 [ 82.205197][ T5805] do_filp_open+0x164/0x330 [ 82.205859][ T5805] do_sys_openat2+0x128/0x3d8 [ 82.206500][ T5805] __arm64_sys_openat+0x120/0x154 [ 82.207188][ T5805] invoke_syscall+0x98/0x2b8 [ 82.207852][ T5805] el0_svc_common+0x138/0x258 [ 82.208555][ T5805] do_el0_svc+0x58/0x14c [ 82.209168][ T5805] el0_svc+0x78/0x1e0 [ 82.209727][ T5805] el0t_64_sync_handler+0xcc/0xe4 [ 82.210461][ T5805] el0t_64_sync+0x1a0/0x1a4 [ 82.213582][ T5805] ------------[ cut here ]------------ [ 82.214556][ T5805] WARNING: CPU: 0 PID: 5805 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 82.215744][ T5805] Modules linked in: [ 82.216290][ T5805] CPU: 0 PID: 5805 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.217539][ T5805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.219014][ T5805] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.220195][ T5805] pc : btrfs_add_link+0x6e8/0xa68 [ 82.220907][ T5805] lr : btrfs_add_link+0x6e8/0xa68 [ 82.221709][ T5805] sp : ffff800024587580 [ 82.222329][ T5805] x29: ffff800024587680 x28: ffff0000dea24790 x27: 0000000000000108 [ 82.223458][ T5805] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 82.224695][ T5805] x23: 0000000000000014 x22: 1fffe0001bd448fd x21: ffff7000048b0eb8 [ 82.225947][ T5805] x20: 00000000fffffff4 x19: ffff0000dea247e8 x18: 0000000000000001 [ 82.227171][ T5805] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 82.228366][ T5805] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.229506][ T5805] x11: 0000000000000000 x10: 0000000000000000 x9 : bc7e2d24a341ed00 [ 82.230657][ T5805] x8 : bc7e2d24a341ed00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.231847][ T5805] x5 : ffff800024586e78 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 82.233023][ T5805] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.234205][ T5805] Call trace: [ 82.234653][ T5805] btrfs_add_link+0x6e8/0xa68 [ 82.235355][ T5805] btrfs_create+0x45c/0x508 [ 82.236015][ T5805] path_openat+0x1144/0x26e4 [ 82.236719][ T5805] do_filp_open+0x164/0x330 [ 82.237342][ T5805] do_sys_openat2+0x128/0x3d8 [ 82.238016][ T5805] __arm64_sys_openat+0x120/0x154 [ 82.238783][ T5805] invoke_syscall+0x98/0x2b8 [ 82.239449][ T5805] el0_svc_common+0x138/0x258 [ 82.240124][ T5805] do_el0_svc+0x58/0x14c [ 82.240760][ T5805] el0_svc+0x78/0x1e0 [ 82.241327][ T5805] el0t_64_sync_handler+0xcc/0xe4 [ 82.242088][ T5805] el0t_64_sync+0x1a0/0x1a4 [ 82.242738][ T5805] irq event stamp: 80366 [ 82.243293][ T5805] hardirqs last enabled at (80365): [] __up_console_sem+0xb4/0x100 [ 82.244604][ T5805] hardirqs last disabled at (80366): [] el1_dbg+0x24/0x80 [ 82.245847][ T5805] softirqs last enabled at (80342): [] handle_softirqs+0xa4c/0xbf0 [ 82.247210][ T5805] softirqs last disabled at (80283): [] __irq_exit_rcu+0x240/0x440 [ 82.248549][ T5805] ---[ end trace 8321087aa8c8c656 ]--- [ 82.251604][ T5805] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.409572][ T5827] loop0: detected capacity change from 0 to 32768 [ 82.457862][ T5827] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5827) [ 82.519934][ T5827] FAULT_INJECTION: forcing a failure. [ 82.519934][ T5827] name failslab, interval 1, probability 0, space 0, times 0 [ 82.522193][ T5827] CPU: 1 PID: 5827 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 82.523523][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.525089][ T5827] Call trace: [ 82.525565][ T5827] dump_backtrace+0x0/0x43c [ 82.526209][ T5827] show_stack+0x2c/0x3c [ 82.526823][ T5827] __dump_stack+0x30/0x40 [ 82.527429][ T5827] dump_stack_lvl+0xf8/0x160 [ 82.528138][ T5827] dump_stack+0x1c/0x5c [ 82.528708][ T5827] should_fail+0x3c0/0x51c [ 82.529383][ T5827] __should_failslab+0xbc/0x10c [ 82.530104][ T5827] should_failslab+0x10/0x28 [ 82.530803][ T5827] slab_pre_alloc_hook+0x64/0xec [ 82.531500][ T5827] kmem_cache_alloc+0x94/0x3e4 [ 82.532142][ T5827] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 82.533010][ T5827] btrfs_delayed_update_inode+0x3c/0x1b7c [ 82.533810][ T5827] btrfs_update_inode+0x210/0x3d4 [ 82.534487][ T5827] btrfs_create+0x360/0x508 [ 82.535188][ T5827] path_openat+0x1144/0x26e4 [ 82.535865][ T5827] do_filp_open+0x164/0x330 [ 82.536572][ T5827] do_sys_openat2+0x128/0x3d8 [ 82.537283][ T5827] __arm64_sys_openat+0x120/0x154 [ 82.538046][ T5827] invoke_syscall+0x98/0x2b8 [ 82.538767][ T5827] el0_svc_common+0x138/0x258 [ 82.539479][ T5827] do_el0_svc+0x58/0x14c [ 82.540097][ T5827] el0_svc+0x78/0x1e0 [ 82.540684][ T5827] el0t_64_sync_handler+0xcc/0xe4 [ 82.541398][ T5827] el0t_64_sync+0x1a0/0x1a4 [ 82.575971][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4905) [ 82.679476][ T5849] loop0: detected capacity change from 0 to 32768 [ 82.701304][ T5849] FAULT_INJECTION: forcing a failure. [ 82.701304][ T5849] name failslab, interval 1, probability 0, space 0, times 0 [ 82.703134][ T5849] CPU: 1 PID: 5849 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 82.704493][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.706015][ T5849] Call trace: [ 82.706507][ T5849] dump_backtrace+0x0/0x43c [ 82.707211][ T5849] show_stack+0x2c/0x3c [ 82.707840][ T5849] __dump_stack+0x30/0x40 [ 82.708435][ T5849] dump_stack_lvl+0xf8/0x160 [ 82.709163][ T5849] dump_stack+0x1c/0x5c [ 82.709753][ T5849] should_fail+0x3c0/0x51c [ 82.710456][ T5849] __should_failslab+0xbc/0x10c [ 82.711166][ T5849] should_failslab+0x10/0x28 [ 82.711858][ T5849] slab_pre_alloc_hook+0x64/0xec [ 82.712599][ T5849] kmem_cache_alloc+0x94/0x3e4 [ 82.713236][ T5849] security_inode_alloc+0x38/0x11c [ 82.713974][ T5849] inode_init_always+0x670/0xa84 [ 82.714722][ T5849] new_inode_pseudo+0x7c/0x1fc [ 82.715370][ T5849] new_inode+0x38/0x174 [ 82.715947][ T5849] btrfs_new_inode+0x148/0x1538 [ 82.716668][ T5849] btrfs_create+0x248/0x508 [ 82.717333][ T5849] path_openat+0x1144/0x26e4 [ 82.718009][ T5849] do_filp_open+0x164/0x330 [ 82.718662][ T5849] do_sys_openat2+0x128/0x3d8 [ 82.719370][ T5849] __arm64_sys_openat+0x120/0x154 [ 82.720106][ T5849] invoke_syscall+0x98/0x2b8 [ 82.720701][ T5849] el0_svc_common+0x138/0x258 [ 82.721320][ T5849] do_el0_svc+0x58/0x14c [ 82.721935][ T5849] el0_svc+0x78/0x1e0 [ 82.722517][ T5849] el0t_64_sync_handler+0xcc/0xe4 [ 82.723263][ T5849] el0t_64_sync+0x1a0/0x1a4 [ 82.759560][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4905) [ 82.859757][ T5871] loop0: detected capacity change from 0 to 32768