Warning: Permanently added '10.128.0.27' (ED25519) to the list of known hosts. 1970/01/01 00:01:24 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:24 ignoring optional flag "type"="gce" 1970/01/01 00:01:24 parsed 1 programs [ 86.856794][ T4443] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 94.923725][ T4493] chnl_net:caif_netlink_parms(): no params data found [ 94.962405][ T4493] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.964515][ T4493] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.967647][ T4493] device bridge_slave_0 entered promiscuous mode [ 94.971348][ T4493] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.973514][ T4493] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.976263][ T4493] device bridge_slave_1 entered promiscuous mode [ 94.995992][ T4493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.001590][ T4493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.017057][ T4493] team0: Port device team_slave_0 added [ 95.021011][ T4493] team0: Port device team_slave_1 added [ 95.036321][ T4493] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.038664][ T4493] 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. [ 95.046010][ T4493] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.050470][ T4493] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.052563][ T4493] 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. [ 95.060223][ T4493] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.129479][ T4493] device hsr_slave_0 entered promiscuous mode [ 95.177586][ T4493] device hsr_slave_1 entered promiscuous mode [ 95.938865][ T4493] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.982623][ T4493] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.018937][ T4493] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.061104][ T4493] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.152360][ T4493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.161614][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 96.164143][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 96.171049][ T4493] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.175499][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 96.180370][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 96.182912][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.184885][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.196793][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 96.202788][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 96.205574][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 96.209777][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.211738][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.214083][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 96.231067][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 96.233999][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 96.239048][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 96.241820][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 96.245779][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 96.248898][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 96.251634][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 96.254263][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 96.256953][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 96.264935][ T4493] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 96.280411][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 96.436533][ T4493] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.443180][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 96.445395][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 96.471048][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 96.474040][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 96.488858][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 96.491623][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 96.494623][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 96.503646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 96.509367][ T4493] device veth0_vlan entered promiscuous mode [ 96.519349][ T4493] device veth1_vlan entered promiscuous mode [ 96.542391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 96.545027][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 96.547960][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 96.550989][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 96.555664][ T4493] device veth0_macvtap entered promiscuous mode [ 96.560902][ T4493] device veth1_macvtap entered promiscuous mode [ 96.590490][ T4493] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.592587][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 96.595080][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 96.598853][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 96.602017][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 96.611571][ T4493] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.615500][ T4493] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.628486][ T4493] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.630968][ T4493] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.633338][ T4493] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.648731][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 96.651510][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.046977][ T1626] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.814994][ T1626] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.242895][ T1626] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.333883][ T1626] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.641676][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.643997][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.647069][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.673394][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.675779][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.679895][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:43 executed programs: 0 [ 103.536343][ T4929] chnl_net:caif_netlink_parms(): no params data found [ 103.571813][ T4929] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.574526][ T4929] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.580411][ T4929] device bridge_slave_0 entered promiscuous mode [ 103.588500][ T4929] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.590627][ T4929] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.593344][ T4929] device bridge_slave_1 entered promiscuous mode [ 103.622484][ T4929] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.629350][ T4929] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.645174][ T4929] team0: Port device team_slave_0 added [ 103.648793][ T4929] team0: Port device team_slave_1 added [ 103.664349][ T4929] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.666296][ T4929] 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. [ 103.674658][ T4929] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.679233][ T4929] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.681142][ T4929] 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. [ 103.688271][ T4929] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.759286][ T4929] device hsr_slave_0 entered promiscuous mode [ 103.797593][ T4929] device hsr_slave_1 entered promiscuous mode [ 103.837464][ T4929] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 103.839576][ T4929] Cannot create hsr debugfs directory [ 104.042754][ T1626] device hsr_slave_0 left promiscuous mode [ 104.108270][ T1626] device hsr_slave_1 left promiscuous mode [ 104.207510][ T1626] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.209561][ T1626] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.212267][ T1626] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.214312][ T1626] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.216764][ T1626] device bridge_slave_1 left promiscuous mode [ 104.219085][ T1626] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.268321][ T1626] device bridge_slave_0 left promiscuous mode [ 104.270079][ T1626] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.417581][ T1626] device veth1_macvtap left promiscuous mode [ 104.419485][ T1626] device veth0_macvtap left promiscuous mode [ 104.421380][ T1626] device veth1_vlan left promiscuous mode [ 104.423078][ T1626] device veth0_vlan left promiscuous mode [ 104.620795][ T1626] team0 (unregistering): Port device team_slave_1 removed [ 104.630276][ T1626] team0 (unregistering): Port device team_slave_0 removed [ 104.638090][ T1626] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.676038][ T1626] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.846352][ T1626] bond0 (unregistering): Released all slaves [ 105.260719][ T4929] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.312643][ T4929] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.361575][ T4929] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.402656][ T4929] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.482938][ T4143] Bluetooth: hci0: command 0x0409 tx timeout [ 105.508921][ T4929] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.516500][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.522113][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.528087][ T4929] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.532915][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.536448][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.545966][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.548177][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.560521][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.563676][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.566561][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.575040][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.577017][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.583874][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.599908][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.602836][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.606730][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.611577][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.614454][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.617766][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.620497][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.623163][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.625825][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.632695][ T4929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.639027][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.731087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.733309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.829106][ T4929] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.852597][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.855531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.875346][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.879446][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.882189][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.888426][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.901498][ T4929] device veth0_vlan entered promiscuous mode [ 105.912734][ T4929] device veth1_vlan entered promiscuous mode [ 105.949466][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.952486][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.956081][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.967818][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.972416][ T4929] device veth0_macvtap entered promiscuous mode [ 105.976838][ T4929] device veth1_macvtap entered promiscuous mode [ 105.996931][ T4929] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.008512][ T4929] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.017636][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.020489][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.023309][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.032560][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.038810][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 106.047002][ T4929] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.049937][ T4929] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.052362][ T4929] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.054676][ T4929] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.118899][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.121184][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.124191][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 106.141256][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.143494][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.146558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 106.482317][ T5039] loop0: detected capacity change from 0 to 32768 [ 106.559316][ T5039] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5039) [ 106.582275][ T5039] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 106.584967][ T5039] BTRFS info (device loop0): setting nodatacow, compression disabled [ 106.598004][ T5039] BTRFS info (device loop0): setting datacow [ 106.599771][ T5039] BTRFS info (device loop0): doing ref verification [ 106.601588][ T5039] BTRFS info (device loop0): force clearing of disk cache [ 106.603532][ T5039] BTRFS info (device loop0): turning off barriers [ 106.605300][ T5039] BTRFS info (device loop0): use zlib compression, level 3 [ 106.617274][ T5039] BTRFS info (device loop0): using free space tree [ 106.619184][ T5039] BTRFS info (device loop0): has skinny extents [ 106.769646][ T5039] BTRFS info (device loop0): clearing free space tree [ 106.771900][ T5039] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 106.774688][ T5039] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 106.825871][ T5039] BTRFS info (device loop0): creating free space tree [ 106.829248][ T5039] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 106.837555][ T5039] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 106.879916][ T5039] FAULT_INJECTION: forcing a failure. [ 106.879916][ T5039] name failslab, interval 1, probability 0, space 0, times 1 [ 106.885110][ T5039] CPU: 0 PID: 5039 Comm: syz.0.15 Not tainted 5.15.182-syzkaller #0 [ 106.887320][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 106.890110][ T5039] Call trace: [ 106.891126][ T5039] dump_backtrace+0x0/0x43c [ 106.892366][ T5039] show_stack+0x2c/0x3c [ 106.893509][ T5039] __dump_stack+0x30/0x40 [ 106.894668][ T5039] dump_stack_lvl+0xf8/0x160 [ 106.895913][ T5039] dump_stack+0x1c/0x5c [ 106.897017][ T5039] should_fail+0x3c0/0x51c [ 106.898241][ T5039] __should_failslab+0xbc/0x10c [ 106.899566][ T5039] should_failslab+0x10/0x28 [ 106.900888][ T5039] slab_pre_alloc_hook+0x64/0xec [ 106.902238][ T5039] kmem_cache_alloc+0x94/0x3e4 [ 106.903537][ T5039] btrfs_alloc_path+0x5c/0x68 [ 106.904897][ T5039] btrfs_insert_dir_item+0x16c/0x3b8 [ 106.906327][ T5039] btrfs_add_link+0x294/0xa68 [ 106.907677][ T5039] btrfs_create+0x45c/0x508 [ 106.908965][ T5039] path_openat+0x1144/0x26e4 [ 106.910224][ T5039] do_filp_open+0x164/0x330 [ 106.911459][ T5039] do_sys_openat2+0x128/0x3d8 [ 106.912726][ T5039] __arm64_sys_openat+0x120/0x154 [ 106.914157][ T5039] invoke_syscall+0x98/0x2b8 [ 106.915407][ T5039] el0_svc_common+0x138/0x258 [ 106.916719][ T5039] do_el0_svc+0x58/0x14c [ 106.917980][ T5039] el0_svc+0x78/0x1e0 [ 106.919058][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 106.920437][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 106.997493][ T5039] ------------[ cut here ]------------ [ 106.999440][ T5039] WARNING: CPU: 0 PID: 5039 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 107.002003][ T5039] Modules linked in: [ 107.003087][ T5039] CPU: 0 PID: 5039 Comm: syz.0.15 Not tainted 5.15.182-syzkaller #0 [ 107.005334][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.008205][ T5039] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.010418][ T5039] pc : btrfs_add_link+0x6e8/0xa68 [ 107.011835][ T5039] lr : btrfs_add_link+0x6e8/0xa68 [ 107.013259][ T5039] sp : ffff80001fca7580 [ 107.014455][ T5039] x29: ffff80001fca7680 x28: ffff0000de21e210 x27: 0000000000000108 [ 107.016674][ T5039] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 107.018968][ T5039] x23: 0000000000000014 x22: 1fffe0001bc43c4d x21: ffff700003f94eb8 [ 107.021188][ T5039] x20: 00000000fffffff4 x19: ffff0000de21e268 x18: 0000000000000001 [ 107.023446][ T5039] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 107.025705][ T5039] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.027900][ T5039] x11: 0000000000000000 x10: 0000000000000000 x9 : 1989054dccceb900 [ 107.030099][ T5039] x8 : 1989054dccceb900 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.032289][ T5039] x5 : ffff80001fca6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 107.034437][ T5039] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.036691][ T5039] Call trace: [ 107.037608][ T5039] btrfs_add_link+0x6e8/0xa68 [ 107.038879][ T5039] btrfs_create+0x45c/0x508 [ 107.040197][ T5039] path_openat+0x1144/0x26e4 [ 107.041460][ T5039] do_filp_open+0x164/0x330 [ 107.042659][ T5039] do_sys_openat2+0x128/0x3d8 [ 107.043979][ T5039] __arm64_sys_openat+0x120/0x154 [ 107.045386][ T5039] invoke_syscall+0x98/0x2b8 [ 107.046693][ T5039] el0_svc_common+0x138/0x258 [ 107.048000][ T5039] do_el0_svc+0x58/0x14c [ 107.049162][ T5039] el0_svc+0x78/0x1e0 [ 107.050264][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 107.051613][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 107.052838][ T5039] irq event stamp: 86798 [ 107.054120][ T5039] hardirqs last enabled at (86797): [] __up_console_sem+0xb4/0x100 [ 107.056692][ T5039] hardirqs last disabled at (86798): [] el1_dbg+0x24/0x80 [ 107.059135][ T5039] softirqs last enabled at (86774): [] handle_softirqs+0xa4c/0xbf0 [ 107.061746][ T5039] softirqs last disabled at (86607): [] __irq_exit_rcu+0x240/0x440 [ 107.064440][ T5039] ---[ end trace 870490d5c16eeeb1 ]--- [ 107.069794][ T5039] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 107.072453][ T5039] BTRFS info (device loop0): forced readonly [ 107.561123][ T4143] Bluetooth: hci0: command 0x041b tx timeout [ 107.602942][ T5098] loop0: detected capacity change from 0 to 32768 [ 107.632877][ T5098] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5098) [ 107.661520][ T5098] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 107.663893][ T5098] BTRFS info (device loop0): setting nodatacow, compression disabled [ 107.666252][ T5098] BTRFS info (device loop0): setting datacow [ 107.677995][ T5098] BTRFS info (device loop0): doing ref verification [ 107.679768][ T5098] BTRFS info (device loop0): force clearing of disk cache [ 107.681713][ T5098] BTRFS info (device loop0): turning off barriers [ 107.683525][ T5098] BTRFS info (device loop0): use zlib compression, level 3 [ 107.685483][ T5098] BTRFS info (device loop0): using free space tree [ 107.707873][ T5098] BTRFS info (device loop0): has skinny extents [ 107.801186][ T5098] BTRFS info (device loop0): clearing free space tree [ 107.803190][ T5098] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.805838][ T5098] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.813164][ T5098] BTRFS info (device loop0): creating free space tree [ 107.815640][ T5098] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.820177][ T5098] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.829146][ T5098] FAULT_INJECTION: forcing a failure. [ 107.829146][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 107.832663][ T5098] CPU: 0 PID: 5098 Comm: syz.0.16 Tainted: G W 5.15.182-syzkaller #0 [ 107.835190][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.837962][ T5098] Call trace: [ 107.838869][ T5098] dump_backtrace+0x0/0x43c [ 107.840101][ T5098] show_stack+0x2c/0x3c [ 107.841267][ T5098] __dump_stack+0x30/0x40 [ 107.842407][ T5098] dump_stack_lvl+0xf8/0x160 [ 107.843656][ T5098] dump_stack+0x1c/0x5c [ 107.844784][ T5098] should_fail+0x3c0/0x51c [ 107.846000][ T5098] __should_failslab+0xbc/0x10c [ 107.847361][ T5098] should_failslab+0x10/0x28 [ 107.848679][ T5098] slab_pre_alloc_hook+0x64/0xec [ 107.850006][ T5098] kmem_cache_alloc+0x94/0x3e4 [ 107.851349][ T5098] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 107.853070][ T5098] btrfs_delayed_update_inode+0x3c/0x1b7c [ 107.854584][ T5098] btrfs_update_inode+0x210/0x3d4 [ 107.855959][ T5098] btrfs_create+0x360/0x508 [ 107.857159][ T5098] path_openat+0x1144/0x26e4 [ 107.858402][ T5098] do_filp_open+0x164/0x330 [ 107.859675][ T5098] do_sys_openat2+0x128/0x3d8 [ 107.860939][ T5098] __arm64_sys_openat+0x120/0x154 [ 107.862328][ T5098] invoke_syscall+0x98/0x2b8 [ 107.863548][ T5098] el0_svc_common+0x138/0x258 [ 107.864801][ T5098] do_el0_svc+0x58/0x14c [ 107.865963][ T5098] el0_svc+0x78/0x1e0 [ 107.867013][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 107.868393][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 108.205182][ T5147] loop0: detected capacity change from 0 to 32768 [ 108.266745][ T5147] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5147) [ 108.278175][ T5147] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.280626][ T5147] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.282844][ T5147] BTRFS info (device loop0): setting datacow [ 108.284897][ T5147] BTRFS info (device loop0): doing ref verification [ 108.286638][ T5147] BTRFS info (device loop0): force clearing of disk cache [ 108.288725][ T5147] BTRFS info (device loop0): turning off barriers [ 108.290754][ T5147] BTRFS info (device loop0): use zlib compression, level 3 [ 108.292734][ T5147] BTRFS info (device loop0): using free space tree [ 108.294505][ T5147] BTRFS info (device loop0): has skinny extents [ 108.310749][ T5147] BTRFS info (device loop0): clearing free space tree [ 108.312656][ T5147] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.315287][ T5147] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.322979][ T5147] BTRFS info (device loop0): creating free space tree [ 108.325576][ T5147] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.328938][ T5147] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.336751][ T5147] FAULT_INJECTION: forcing a failure. [ 108.336751][ T5147] name failslab, interval 1, probability 0, space 0, times 0 [ 108.341637][ T5147] CPU: 0 PID: 5147 Comm: syz.0.17 Tainted: G W 5.15.182-syzkaller #0 [ 108.344206][ T5147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.346873][ T5147] Call trace: [ 108.347749][ T5147] dump_backtrace+0x0/0x43c [ 108.349016][ T5147] show_stack+0x2c/0x3c [ 108.350162][ T5147] __dump_stack+0x30/0x40 [ 108.351352][ T5147] dump_stack_lvl+0xf8/0x160 [ 108.352586][ T5147] dump_stack+0x1c/0x5c [ 108.353791][ T5147] should_fail+0x3c0/0x51c [ 108.355083][ T5147] __should_failslab+0xbc/0x10c [ 108.356406][ T5147] should_failslab+0x10/0x28 [ 108.357678][ T5147] slab_pre_alloc_hook+0x64/0xec [ 108.359051][ T5147] kmem_cache_alloc+0x94/0x3e4 [ 108.360369][ T5147] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 108.362049][ T5147] btrfs_delayed_update_inode+0x3c/0x1b7c [ 108.363733][ T5147] btrfs_update_inode+0x210/0x3d4 [ 108.365123][ T5147] btrfs_create+0x360/0x508 [ 108.366395][ T5147] path_openat+0x1144/0x26e4 [ 108.367632][ T5147] do_filp_open+0x164/0x330 [ 108.368898][ T5147] do_sys_openat2+0x128/0x3d8 [ 108.370212][ T5147] __arm64_sys_openat+0x120/0x154 [ 108.371533][ T5147] invoke_syscall+0x98/0x2b8 [ 108.372844][ T5147] el0_svc_common+0x138/0x258 [ 108.374135][ T5147] do_el0_svc+0x58/0x14c [ 108.375354][ T5147] el0_svc+0x78/0x1e0 [ 108.376467][ T5147] el0t_64_sync_handler+0xcc/0xe4 [ 108.377864][ T5147] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:48 executed programs: 5 [ 108.654776][ T5169] loop0: detected capacity change from 0 to 32768 [ 108.658666][ T5169] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5169) [ 108.696202][ T5169] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.698710][ T5169] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.701005][ T5169] BTRFS info (device loop0): setting datacow [ 108.702603][ T5169] BTRFS info (device loop0): doing ref verification [ 108.704602][ T5169] BTRFS info (device loop0): force clearing of disk cache [ 108.706577][ T5169] BTRFS info (device loop0): turning off barriers [ 108.708711][ T5169] BTRFS info (device loop0): use zlib compression, level 3 [ 108.710686][ T5169] BTRFS info (device loop0): using free space tree [ 108.712421][ T5169] BTRFS info (device loop0): has skinny extents [ 108.735301][ T5169] BTRFS info (device loop0): clearing free space tree [ 108.737668][ T5169] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.740305][ T5169] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.745956][ T5169] BTRFS info (device loop0): creating free space tree [ 108.750266][ T5169] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.752898][ T5169] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.761231][ T5169] FAULT_INJECTION: forcing a failure. [ 108.761231][ T5169] name failslab, interval 1, probability 0, space 0, times 0 [ 108.764629][ T5169] CPU: 1 PID: 5169 Comm: syz.0.18 Tainted: G W 5.15.182-syzkaller #0 [ 108.767202][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.769993][ T5169] Call trace: [ 108.770858][ T5169] dump_backtrace+0x0/0x43c [ 108.772079][ T5169] show_stack+0x2c/0x3c [ 108.773213][ T5169] __dump_stack+0x30/0x40 [ 108.774382][ T5169] dump_stack_lvl+0xf8/0x160 [ 108.775651][ T5169] dump_stack+0x1c/0x5c [ 108.776741][ T5169] should_fail+0x3c0/0x51c [ 108.777957][ T5169] __should_failslab+0xbc/0x10c [ 108.779293][ T5169] should_failslab+0x10/0x28 [ 108.780562][ T5169] slab_pre_alloc_hook+0x64/0xec [ 108.781924][ T5169] kmem_cache_alloc+0x94/0x3e4 [ 108.783243][ T5169] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 108.784920][ T5169] btrfs_delayed_update_inode+0x3c/0x1b7c [ 108.786482][ T5169] btrfs_update_inode+0x210/0x3d4 [ 108.787878][ T5169] btrfs_create+0x360/0x508 [ 108.789080][ T5169] path_openat+0x1144/0x26e4 [ 108.790301][ T5169] do_filp_open+0x164/0x330 [ 108.791520][ T5169] do_sys_openat2+0x128/0x3d8 [ 108.792784][ T5169] __arm64_sys_openat+0x120/0x154 [ 108.794190][ T5169] invoke_syscall+0x98/0x2b8 [ 108.795443][ T5169] el0_svc_common+0x138/0x258 [ 108.796705][ T5169] do_el0_svc+0x58/0x14c [ 108.797857][ T5169] el0_svc+0x78/0x1e0 [ 108.798976][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 108.800335][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 109.093474][ T5191] loop0: detected capacity change from 0 to 32768 [ 109.119686][ T5191] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5191) [ 109.133062][ T5191] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.135482][ T5191] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.138086][ T5191] BTRFS info (device loop0): setting datacow [ 109.139705][ T5191] BTRFS info (device loop0): doing ref verification [ 109.141490][ T5191] BTRFS info (device loop0): force clearing of disk cache [ 109.143413][ T5191] BTRFS info (device loop0): turning off barriers [ 109.145120][ T5191] BTRFS info (device loop0): use zlib compression, level 3 [ 109.147076][ T5191] BTRFS info (device loop0): using free space tree [ 109.150802][ T5191] BTRFS info (device loop0): has skinny extents [ 109.167231][ T5191] BTRFS info (device loop0): clearing free space tree [ 109.169224][ T5191] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.171867][ T5191] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.179791][ T5191] BTRFS info (device loop0): creating free space tree [ 109.182330][ T5191] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.184932][ T5191] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.192956][ T5191] FAULT_INJECTION: forcing a failure. [ 109.192956][ T5191] name failslab, interval 1, probability 0, space 0, times 0 [ 109.196448][ T5191] CPU: 0 PID: 5191 Comm: syz.0.19 Tainted: G W 5.15.182-syzkaller #0 [ 109.199060][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.201918][ T5191] Call trace: [ 109.202762][ T5191] dump_backtrace+0x0/0x43c [ 109.204040][ T5191] show_stack+0x2c/0x3c [ 109.205274][ T5191] __dump_stack+0x30/0x40 [ 109.206462][ T5191] dump_stack_lvl+0xf8/0x160 [ 109.207752][ T5191] dump_stack+0x1c/0x5c [ 109.208963][ T5191] should_fail+0x3c0/0x51c [ 109.210251][ T5191] __should_failslab+0xbc/0x10c [ 109.211639][ T5191] should_failslab+0x10/0x28 [ 109.212897][ T5191] slab_pre_alloc_hook+0x64/0xec [ 109.214345][ T5191] kmem_cache_alloc+0x94/0x3e4 [ 109.215677][ T5191] btrfs_alloc_path+0x5c/0x68 [ 109.217056][ T5191] btrfs_insert_dir_item+0x16c/0x3b8 [ 109.218615][ T5191] btrfs_add_link+0x294/0xa68 [ 109.219937][ T5191] btrfs_create+0x45c/0x508 [ 109.221281][ T5191] path_openat+0x1144/0x26e4 [ 109.222539][ T5191] do_filp_open+0x164/0x330 [ 109.223833][ T5191] do_sys_openat2+0x128/0x3d8 [ 109.225176][ T5191] __arm64_sys_openat+0x120/0x154 [ 109.226598][ T5191] invoke_syscall+0x98/0x2b8 [ 109.227868][ T5191] el0_svc_common+0x138/0x258 [ 109.229179][ T5191] do_el0_svc+0x58/0x14c [ 109.230353][ T5191] el0_svc+0x78/0x1e0 [ 109.231497][ T5191] el0t_64_sync_handler+0xcc/0xe4 [ 109.232888][ T5191] el0t_64_sync+0x1a0/0x1a4 [ 109.238596][ T5191] ------------[ cut here ]------------ [ 109.240328][ T5191] WARNING: CPU: 0 PID: 5191 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 109.243066][ T5191] Modules linked in: [ 109.244113][ T5191] CPU: 0 PID: 5191 Comm: syz.0.19 Tainted: G W 5.15.182-syzkaller #0 [ 109.246614][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.249284][ T5191] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.251469][ T5191] pc : btrfs_add_link+0x6e8/0xa68 [ 109.252913][ T5191] lr : btrfs_add_link+0x6e8/0xa68 [ 109.254374][ T5191] sp : ffff80001fe87580 [ 109.255489][ T5191] x29: ffff80001fe87680 x28: ffff0000de21ed10 x27: 0000000000000108 [ 109.257705][ T5191] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 109.259923][ T5191] x23: 0000000000000014 x22: 1fffe0001bc43dad x21: ffff700003fd0eb8 [ 109.262089][ T5191] x20: 00000000fffffff4 x19: ffff0000de21ed68 x18: 0000000000000001 [ 109.264282][ T5191] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 109.266532][ T5191] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.268760][ T5191] x11: 0000000000000000 x10: 0000000000000000 x9 : 2addd907492e4b00 [ 109.270986][ T5191] x8 : 2addd907492e4b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.273307][ T5191] x5 : ffff80001fe86e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 109.275554][ T5191] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.277797][ T5191] Call trace: [ 109.278740][ T5191] btrfs_add_link+0x6e8/0xa68 [ 109.280062][ T5191] btrfs_create+0x45c/0x508 [ 109.281308][ T5191] path_openat+0x1144/0x26e4 [ 109.282601][ T5191] do_filp_open+0x164/0x330 [ 109.283895][ T5191] do_sys_openat2+0x128/0x3d8 [ 109.285168][ T5191] __arm64_sys_openat+0x120/0x154 [ 109.286592][ T5191] invoke_syscall+0x98/0x2b8 [ 109.287866][ T5191] el0_svc_common+0x138/0x258 [ 109.289118][ T5191] do_el0_svc+0x58/0x14c [ 109.290343][ T5191] el0_svc+0x78/0x1e0 [ 109.291435][ T5191] el0t_64_sync_handler+0xcc/0xe4 [ 109.292795][ T5191] el0t_64_sync+0x1a0/0x1a4 [ 109.294056][ T5191] irq event stamp: 81558 [ 109.295220][ T5191] hardirqs last enabled at (81557): [] __up_console_sem+0xb4/0x100 [ 109.297869][ T5191] hardirqs last disabled at (81558): [] el1_dbg+0x24/0x80 [ 109.300309][ T5191] softirqs last enabled at (81538): [] handle_softirqs+0xa4c/0xbf0 [ 109.302950][ T5191] softirqs last disabled at (81451): [] __irq_exit_rcu+0x240/0x440 [ 109.305670][ T5191] ---[ end trace 870490d5c16eeeb2 ]--- [ 109.311437][ T5191] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 109.314034][ T5191] BTRFS info (device loop0): forced readonly [ 109.634101][ T5214] loop0: detected capacity change from 0 to 32768 [ 109.638511][ T5108] Bluetooth: hci0: command 0x040f tx timeout [ 109.692545][ T5214] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5214) [ 109.702493][ T5214] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.704821][ T5214] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.707049][ T5214] BTRFS info (device loop0): setting datacow [ 109.709153][ T5214] BTRFS info (device loop0): doing ref verification [ 109.710956][ T5214] BTRFS info (device loop0): force clearing of disk cache [ 109.712970][ T5214] BTRFS info (device loop0): turning off barriers [ 109.714818][ T5214] BTRFS info (device loop0): use zlib compression, level 3 [ 109.716794][ T5214] BTRFS info (device loop0): using free space tree [ 109.719794][ T5214] BTRFS info (device loop0): has skinny extents [ 109.736157][ T5214] BTRFS info (device loop0): clearing free space tree [ 109.738330][ T5214] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.740855][ T5214] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.748448][ T5214] BTRFS info (device loop0): creating free space tree [ 109.750911][ T5214] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.753510][ T5214] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.762093][ T5214] FAULT_INJECTION: forcing a failure. [ 109.762093][ T5214] name failslab, interval 1, probability 0, space 0, times 0 [ 109.765582][ T5214] CPU: 1 PID: 5214 Comm: syz.0.20 Tainted: G W 5.15.182-syzkaller #0 [ 109.768180][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.770944][ T5214] Call trace: [ 109.771867][ T5214] dump_backtrace+0x0/0x43c [ 109.773145][ T5214] show_stack+0x2c/0x3c [ 109.774267][ T5214] __dump_stack+0x30/0x40 [ 109.775446][ T5214] dump_stack_lvl+0xf8/0x160 [ 109.776787][ T5214] dump_stack+0x1c/0x5c [ 109.777929][ T5214] should_fail+0x3c0/0x51c [ 109.779153][ T5214] __should_failslab+0xbc/0x10c [ 109.780468][ T5214] should_failslab+0x10/0x28 [ 109.781745][ T5214] slab_pre_alloc_hook+0x64/0xec [ 109.783118][ T5214] kmem_cache_alloc+0x94/0x3e4 [ 109.784465][ T5214] btrfs_alloc_path+0x5c/0x68 [ 109.785685][ T5214] btrfs_insert_dir_item+0x16c/0x3b8 [ 109.787135][ T5214] btrfs_add_link+0x294/0xa68 [ 109.788399][ T5214] btrfs_create+0x45c/0x508 [ 109.789753][ T5214] path_openat+0x1144/0x26e4 [ 109.791041][ T5214] do_filp_open+0x164/0x330 [ 109.792324][ T5214] do_sys_openat2+0x128/0x3d8 [ 109.793576][ T5214] __arm64_sys_openat+0x120/0x154 [ 109.794998][ T5214] invoke_syscall+0x98/0x2b8 [ 109.796204][ T5214] el0_svc_common+0x138/0x258 [ 109.797444][ T5214] do_el0_svc+0x58/0x14c [ 109.798648][ T5214] el0_svc+0x78/0x1e0 [ 109.799735][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 109.801096][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 109.806084][ T5214] ------------[ cut here ]------------ [ 109.808109][ T5214] WARNING: CPU: 1 PID: 5214 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 109.810587][ T5214] Modules linked in: [ 109.811668][ T5214] CPU: 1 PID: 5214 Comm: syz.0.20 Tainted: G W 5.15.182-syzkaller #0 [ 109.814209][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.816961][ T5214] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.819266][ T5214] pc : btrfs_add_link+0x6e8/0xa68 [ 109.820656][ T5214] lr : btrfs_add_link+0x6e8/0xa68 [ 109.822102][ T5214] sp : ffff80001fe87580 [ 109.823237][ T5214] x29: ffff80001fe87680 x28: ffff0000de254a50 x27: 0000000000000108 [ 109.825482][ T5214] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 109.827672][ T5214] x23: 0000000000000014 x22: 1fffe0001bc4a955 x21: ffff700003fd0eb8 [ 109.829909][ T5214] x20: 00000000fffffff4 x19: ffff0000de254aa8 x18: 0000000000000001 [ 109.832030][ T5214] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 109.834295][ T5214] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.836479][ T5214] x11: 0000000000000000 x10: 0000000000000000 x9 : ffb9d6857835d600 [ 109.838758][ T5214] x8 : ffb9d6857835d600 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.841051][ T5214] x5 : ffff80001fe86e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 109.843237][ T5214] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.845502][ T5214] Call trace: [ 109.846418][ T5214] btrfs_add_link+0x6e8/0xa68 [ 109.847693][ T5214] btrfs_create+0x45c/0x508 [ 109.848984][ T5214] path_openat+0x1144/0x26e4 [ 109.850229][ T5214] do_filp_open+0x164/0x330 [ 109.851465][ T5214] do_sys_openat2+0x128/0x3d8 [ 109.852758][ T5214] __arm64_sys_openat+0x120/0x154 [ 109.854226][ T5214] invoke_syscall+0x98/0x2b8 [ 109.855455][ T5214] el0_svc_common+0x138/0x258 [ 109.856799][ T5214] do_el0_svc+0x58/0x14c [ 109.857990][ T5214] el0_svc+0x78/0x1e0 [ 109.859087][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 109.860449][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 109.861661][ T5214] irq event stamp: 83118 [ 109.862839][ T5214] hardirqs last enabled at (83117): [] __up_console_sem+0xb4/0x100 [ 109.865499][ T5214] hardirqs last disabled at (83118): [] el1_dbg+0x24/0x80 [ 109.867942][ T5214] softirqs last enabled at (83106): [] handle_softirqs+0xa4c/0xbf0 [ 109.870674][ T5214] softirqs last disabled at (83057): [] __irq_exit_rcu+0x240/0x440 [ 109.873288][ T5214] ---[ end trace 870490d5c16eeeb3 ]--- [ 109.878636][ T5214] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 109.881271][ T5214] BTRFS info (device loop0): forced readonly [ 110.224814][ T5236] loop0: detected capacity change from 0 to 32768 [ 110.236814][ T5236] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5236) [ 110.247015][ T5236] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.250184][ T5236] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.252959][ T5236] BTRFS info (device loop0): setting datacow [ 110.254604][ T5236] BTRFS info (device loop0): doing ref verification [ 110.256397][ T5236] BTRFS info (device loop0): force clearing of disk cache [ 110.258787][ T5236] BTRFS info (device loop0): turning off barriers [ 110.260639][ T5236] BTRFS info (device loop0): use zlib compression, level 3 [ 110.300151][ T5236] FAULT_INJECTION: forcing a failure. [ 110.300151][ T5236] name failslab, interval 1, probability 0, space 0, times 0 [ 110.303629][ T5236] CPU: 1 PID: 5236 Comm: syz.0.21 Tainted: G W 5.15.182-syzkaller #0 [ 110.306176][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.308932][ T5236] Call trace: [ 110.309811][ T5236] dump_backtrace+0x0/0x43c [ 110.311081][ T5236] show_stack+0x2c/0x3c [ 110.312244][ T5236] __dump_stack+0x30/0x40 [ 110.313401][ T5236] dump_stack_lvl+0xf8/0x160 [ 110.314706][ T5236] dump_stack+0x1c/0x5c [ 110.315929][ T5236] should_fail+0x3c0/0x51c [ 110.317127][ T5236] __should_failslab+0xbc/0x10c [ 110.318426][ T5236] should_failslab+0x10/0x28 [ 110.319690][ T5236] slab_pre_alloc_hook+0x64/0xec [ 110.321099][ T5236] kmem_cache_alloc+0x94/0x3e4 [ 110.322440][ T5236] security_inode_alloc+0x38/0x11c [ 110.323989][ T5236] inode_init_always+0x670/0xa84 [ 110.325345][ T5236] new_inode_pseudo+0x7c/0x1fc [ 110.326723][ T5236] new_inode+0x38/0x174 [ 110.327925][ T5236] btrfs_new_inode+0x148/0x1538 [ 110.329493][ T5236] btrfs_create+0x248/0x508 [ 110.330853][ T5236] path_openat+0x1144/0x26e4 [ 110.332165][ T5236] do_filp_open+0x164/0x330 [ 110.333415][ T5236] do_sys_openat2+0x128/0x3d8 [ 110.334742][ T5236] __arm64_sys_openat+0x120/0x154 [ 110.336284][ T5236] invoke_syscall+0x98/0x2b8 [ 110.337565][ T5236] el0_svc_common+0x138/0x258 [ 110.338909][ T5236] do_el0_svc+0x58/0x14c [ 110.340094][ T5236] el0_svc+0x78/0x1e0 [ 110.341201][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 110.342627][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 110.709091][ T5257] loop0: detected capacity change from 0 to 32768 [ 110.759398][ T5257] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5257) [ 110.806725][ T5257] FAULT_INJECTION: forcing a failure. [ 110.806725][ T5257] name failslab, interval 1, probability 0, space 0, times 0 [ 110.813317][ T5257] CPU: 0 PID: 5257 Comm: syz.0.22 Tainted: G W 5.15.182-syzkaller #0 [ 110.815922][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.818651][ T5257] Call trace: [ 110.819572][ T5257] dump_backtrace+0x0/0x43c [ 110.820845][ T5257] show_stack+0x2c/0x3c [ 110.822125][ T5257] __dump_stack+0x30/0x40 [ 110.823265][ T5257] dump_stack_lvl+0xf8/0x160 [ 110.824573][ T5257] dump_stack+0x1c/0x5c [ 110.825703][ T5257] should_fail+0x3c0/0x51c [ 110.826939][ T5257] __should_failslab+0xbc/0x10c [ 110.828260][ T5257] should_failslab+0x10/0x28 [ 110.829502][ T5257] slab_pre_alloc_hook+0x64/0xec [ 110.830806][ T5257] kmem_cache_alloc+0x94/0x3e4 [ 110.832151][ T5257] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 110.833848][ T5257] btrfs_delayed_update_inode+0x3c/0x1b7c [ 110.835441][ T5257] btrfs_update_inode+0x210/0x3d4 [ 110.836773][ T5257] btrfs_create+0x360/0x508 [ 110.838006][ T5257] path_openat+0x1144/0x26e4 [ 110.839243][ T5257] do_filp_open+0x164/0x330 [ 110.840489][ T5257] do_sys_openat2+0x128/0x3d8 [ 110.841815][ T5257] __arm64_sys_openat+0x120/0x154 [ 110.843217][ T5257] invoke_syscall+0x98/0x2b8 [ 110.844487][ T5257] el0_svc_common+0x138/0x258 [ 110.845731][ T5257] do_el0_svc+0x58/0x14c [ 110.846903][ T5257] el0_svc+0x78/0x1e0 [ 110.847984][ T5257] el0t_64_sync_handler+0xcc/0xe4 [ 110.849315][ T5257] el0t_64_sync+0x1a0/0x1a4 [ 110.962844][ T4864] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4864) [ 111.190950][ T5278] loop0: detected capacity change from 0 to 32768 [ 111.300840][ T5278] FAULT_INJECTION: forcing a failure. [ 111.300840][ T5278] name failslab, interval 1, probability 0, space 0, times 0 [ 111.304350][ T5278] CPU: 1 PID: 5278 Comm: syz.0.23 Tainted: G W 5.15.182-syzkaller #0 [ 111.307003][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.309820][ T5278] Call trace: [ 111.310733][ T5278] dump_backtrace+0x0/0x43c [ 111.312016][ T5278] show_stack+0x2c/0x3c [ 111.313109][ T5278] __dump_stack+0x30/0x40 [ 111.314301][ T5278] dump_stack_lvl+0xf8/0x160 [ 111.315564][ T5278] dump_stack+0x1c/0x5c [ 111.316672][ T5278] should_fail+0x3c0/0x51c [ 111.317848][ T5278] __should_failslab+0xbc/0x10c [ 111.319123][ T5278] should_failslab+0x10/0x28 [ 111.320370][ T5278] slab_pre_alloc_hook+0x64/0xec [ 111.321694][ T5278] kmem_cache_alloc+0x94/0x3e4 [ 111.323020][ T5278] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 111.324738][ T5278] btrfs_delayed_update_inode+0x3c/0x1b7c [ 111.326333][ T5278] btrfs_update_inode+0x210/0x3d4 [ 111.327681][ T5278] btrfs_create+0x360/0x508 [ 111.328915][ T5278] path_openat+0x1144/0x26e4 [ 111.330163][ T5278] do_filp_open+0x164/0x330 [ 111.331424][ T5278] do_sys_openat2+0x128/0x3d8 [ 111.332690][ T5278] __arm64_sys_openat+0x120/0x154 [ 111.334054][ T5278] invoke_syscall+0x98/0x2b8 [ 111.335313][ T5278] el0_svc_common+0x138/0x258 [ 111.336564][ T5278] do_el0_svc+0x58/0x14c [ 111.337708][ T5278] el0_svc+0x78/0x1e0 [ 111.338796][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 111.340146][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 111.653425][ T5301] loop0: detected capacity change from 0 to 32768 [ 111.696210][ T5301] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5301) [ 111.702367][ T5301] btrfs_printk: 38 callbacks suppressed [ 111.702377][ T5301] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 111.706162][ T5301] BTRFS info (device loop0): setting nodatacow, compression disabled [ 111.709271][ T5301] BTRFS info (device loop0): setting datacow [ 111.710945][ T5301] BTRFS info (device loop0): doing ref verification [ 111.712744][ T5301] BTRFS info (device loop0): force clearing of disk cache [ 111.714694][ T5301] BTRFS info (device loop0): turning off barriers [ 111.716395][ T5301] BTRFS info (device loop0): use zlib compression, level 3 [ 111.718943][ T4148] Bluetooth: hci0: command 0x0419 tx timeout [ 111.721705][ T5301] BTRFS info (device loop0): using free space tree [ 111.723465][ T5301] BTRFS info (device loop0): has skinny extents [ 111.739805][ T5301] BTRFS info (device loop0): clearing free space tree [ 111.741724][ T5301] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 111.744477][ T5301] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 111.752935][ T5301] BTRFS info (device loop0): creating free space tree [ 111.755354][ T5301] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 111.758517][ T5301] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 111.766740][ T5301] FAULT_INJECTION: forcing a failure. [ 111.766740][ T5301] name failslab, interval 1, probability 0, space 0, times 0 [ 111.772572][ T5301] CPU: 0 PID: 5301 Comm: syz.0.24 Tainted: G W 5.15.182-syzkaller #0 [ 111.775182][ T5301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.777958][ T5301] Call trace: [ 111.778851][ T5301] dump_backtrace+0x0/0x43c [ 111.780079][ T5301] show_stack+0x2c/0x3c [ 111.781303][ T5301] __dump_stack+0x30/0x40 [ 111.782500][ T5301] dump_stack_lvl+0xf8/0x160 [ 111.783790][ T5301] dump_stack+0x1c/0x5c [ 111.784989][ T5301] should_fail+0x3c0/0x51c [ 111.786249][ T5301] __should_failslab+0xbc/0x10c [ 111.787561][ T5301] should_failslab+0x10/0x28 [ 111.788854][ T5301] slab_pre_alloc_hook+0x64/0xec [ 111.790211][ T5301] kmem_cache_alloc+0x94/0x3e4 [ 111.791640][ T5301] btrfs_alloc_path+0x5c/0x68 [ 111.792951][ T5301] btrfs_insert_dir_item+0x16c/0x3b8 [ 111.794450][ T5301] btrfs_add_link+0x294/0xa68 [ 111.795745][ T5301] btrfs_create+0x45c/0x508 [ 111.797008][ T5301] path_openat+0x1144/0x26e4 [ 111.798369][ T5301] do_filp_open+0x164/0x330 [ 111.799616][ T5301] do_sys_openat2+0x128/0x3d8 [ 111.800982][ T5301] __arm64_sys_openat+0x120/0x154 [ 111.802420][ T5301] invoke_syscall+0x98/0x2b8 [ 111.803685][ T5301] el0_svc_common+0x138/0x258 [ 111.805035][ T5301] do_el0_svc+0x58/0x14c [ 111.806228][ T5301] el0_svc+0x78/0x1e0 [ 111.807310][ T5301] el0t_64_sync_handler+0xcc/0xe4 [ 111.808687][ T5301] el0t_64_sync+0x1a0/0x1a4 [ 111.827374][ T5301] ------------[ cut here ]------------ [ 111.829233][ T5301] WARNING: CPU: 1 PID: 5301 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 111.831759][ T5301] Modules linked in: [ 111.832847][ T5301] CPU: 1 PID: 5301 Comm: syz.0.24 Tainted: G W 5.15.182-syzkaller #0 [ 111.835567][ T5301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.838519][ T5301] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.840736][ T5301] pc : btrfs_add_link+0x6e8/0xa68 [ 111.842193][ T5301] lr : btrfs_add_link+0x6e8/0xa68 [ 111.843541][ T5301] sp : ffff800020587580 [ 111.844712][ T5301] x29: ffff800020587680 x28: ffff0000de23b630 x27: 0000000000000108 [ 111.847005][ T5301] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 111.849290][ T5301] x23: 0000000000000014 x22: 1fffe0001bc476d1 x21: ffff7000040b0eb8 [ 111.851624][ T5301] x20: 00000000fffffff4 x19: ffff0000de23b688 x18: 0000000000000001 [ 111.853865][ T5301] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 111.856084][ T5301] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.858352][ T5301] x11: 0000000000000000 x10: 0000000000000000 x9 : a7c64b9529943b00 [ 111.860603][ T5301] x8 : a7c64b9529943b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.862914][ T5301] x5 : ffff800020586e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 111.865077][ T5301] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.867343][ T5301] Call trace: [ 111.868205][ T5301] btrfs_add_link+0x6e8/0xa68 [ 111.869533][ T5301] btrfs_create+0x45c/0x508 [ 111.870787][ T5301] path_openat+0x1144/0x26e4 [ 111.872025][ T5301] do_filp_open+0x164/0x330 [ 111.873322][ T5301] do_sys_openat2+0x128/0x3d8 [ 111.874576][ T5301] __arm64_sys_openat+0x120/0x154 [ 111.875992][ T5301] invoke_syscall+0x98/0x2b8 [ 111.877280][ T5301] el0_svc_common+0x138/0x258 [ 111.878529][ T5301] do_el0_svc+0x58/0x14c [ 111.879670][ T5301] el0_svc+0x78/0x1e0 [ 111.880755][ T5301] el0t_64_sync_handler+0xcc/0xe4 [ 111.882169][ T5301] el0t_64_sync+0x1a0/0x1a4 [ 111.883434][ T5301] irq event stamp: 82438 [ 111.884590][ T5301] hardirqs last enabled at (82437): [] __up_console_sem+0xb4/0x100 [ 111.887299][ T5301] hardirqs last disabled at (82438): [] el1_dbg+0x24/0x80 [ 111.889744][ T5301] softirqs last enabled at (82414): [] handle_softirqs+0xa4c/0xbf0 [ 111.892464][ T5301] softirqs last disabled at (82393): [] __irq_exit_rcu+0x240/0x440 [ 111.895174][ T5301] ---[ end trace 870490d5c16eeeb4 ]--- [ 111.899033][ T5301] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 111.901634][ T5301] BTRFS info (device loop0): forced readonly [ 112.174614][ T5324] loop0: detected capacity change from 0 to 32768 [ 112.183314][ T5324] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5324) [ 112.194093][ T5324] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 112.196458][ T5324] BTRFS info (device loop0): setting nodatacow, compression disabled [ 112.199497][ T5324] BTRFS info (device loop0): setting datacow [ 112.201752][ T5324] BTRFS info (device loop0): doing ref verification [ 112.204408][ T5324] BTRFS info (device loop0): force clearing of disk cache [ 112.207461][ T5324] BTRFS info (device loop0): turning off barriers [ 112.209254][ T5324] BTRFS info (device loop0): use zlib compression, level 3 [ 112.211288][ T5324] BTRFS info (device loop0): using free space tree [ 112.213101][ T5324] BTRFS info (device loop0): has skinny extents [ 112.246987][ T5324] BTRFS info (device loop0): clearing free space tree [ 112.249291][ T5324] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.251889][ T5324] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.260043][ T5324] BTRFS info (device loop0): creating free space tree [ 112.262454][ T5324] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.265061][ T5324] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.272850][ T5324] FAULT_INJECTION: forcing a failure. [ 112.272850][ T5324] name failslab, interval 1, probability 0, space 0, times 0 [ 112.276394][ T5324] CPU: 1 PID: 5324 Comm: syz.0.25 Tainted: G W 5.15.182-syzkaller #0 [ 112.278976][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.281767][ T5324] Call trace: [ 112.282658][ T5324] dump_backtrace+0x0/0x43c [ 112.283926][ T5324] show_stack+0x2c/0x3c [ 112.285112][ T5324] __dump_stack+0x30/0x40 [ 112.286286][ T5324] dump_stack_lvl+0xf8/0x160 [ 112.287594][ T5324] dump_stack+0x1c/0x5c [ 112.288779][ T5324] should_fail+0x3c0/0x51c [ 112.290009][ T5324] __should_failslab+0xbc/0x10c [ 112.291383][ T5324] should_failslab+0x10/0x28 [ 112.292652][ T5324] slab_pre_alloc_hook+0x64/0xec [ 112.294045][ T5324] kmem_cache_alloc+0x94/0x3e4 [ 112.295359][ T5324] btrfs_alloc_path+0x5c/0x68 [ 112.296639][ T5324] btrfs_insert_dir_item+0x16c/0x3b8 [ 112.298226][ T5324] btrfs_add_link+0x294/0xa68 [ 112.299516][ T5324] btrfs_create+0x45c/0x508 [ 112.300776][ T5324] path_openat+0x1144/0x26e4 [ 112.302045][ T5324] do_filp_open+0x164/0x330 [ 112.303300][ T5324] do_sys_openat2+0x128/0x3d8 [ 112.304680][ T5324] __arm64_sys_openat+0x120/0x154 [ 112.306053][ T5324] invoke_syscall+0x98/0x2b8 [ 112.307360][ T5324] el0_svc_common+0x138/0x258 [ 112.308643][ T5324] do_el0_svc+0x58/0x14c [ 112.309796][ T5324] el0_svc+0x78/0x1e0 [ 112.310880][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 112.312236][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 112.316339][ T5324] ------------[ cut here ]------------ [ 112.318428][ T5324] WARNING: CPU: 1 PID: 5324 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 112.320908][ T5324] Modules linked in: [ 112.321926][ T5324] CPU: 1 PID: 5324 Comm: syz.0.25 Tainted: G W 5.15.182-syzkaller #0 [ 112.324459][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.327215][ T5324] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.329346][ T5324] pc : btrfs_add_link+0x6e8/0xa68 [ 112.330683][ T5324] lr : btrfs_add_link+0x6e8/0xa68 [ 112.332044][ T5324] sp : ffff800020797580 [ 112.333165][ T5324] x29: ffff800020797680 x28: ffff0000dcab2630 x27: 0000000000000108 [ 112.335354][ T5324] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 112.337578][ T5324] x23: 0000000000000014 x22: 1fffe0001b9564d1 x21: ffff7000040f2eb8 [ 112.339742][ T5324] x20: 00000000fffffff4 x19: ffff0000dcab2688 x18: 0000000000000001 [ 112.341968][ T5324] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 112.344196][ T5324] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.346412][ T5324] x11: 0000000000000000 x10: 0000000000000000 x9 : 855dcfa392997200 [ 112.348593][ T5324] x8 : 855dcfa392997200 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.350807][ T5324] x5 : ffff800020796e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 112.353029][ T5324] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.355192][ T5324] Call trace: [ 112.356086][ T5324] btrfs_add_link+0x6e8/0xa68 [ 112.357407][ T5324] btrfs_create+0x45c/0x508 [ 112.358630][ T5324] path_openat+0x1144/0x26e4 [ 112.359931][ T5324] do_filp_open+0x164/0x330 [ 112.361145][ T5324] do_sys_openat2+0x128/0x3d8 [ 112.362430][ T5324] __arm64_sys_openat+0x120/0x154 [ 112.363764][ T5324] invoke_syscall+0x98/0x2b8 [ 112.365033][ T5324] el0_svc_common+0x138/0x258 [ 112.366287][ T5324] do_el0_svc+0x58/0x14c [ 112.367456][ T5324] el0_svc+0x78/0x1e0 [ 112.368553][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 112.369912][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 112.371141][ T5324] irq event stamp: 82870 [ 112.372247][ T5324] hardirqs last enabled at (82869): [] __up_console_sem+0xb4/0x100 [ 112.374854][ T5324] hardirqs last disabled at (82870): [] el1_dbg+0x24/0x80 [ 112.377365][ T5324] softirqs last enabled at (82858): [] handle_softirqs+0xa4c/0xbf0 [ 112.380042][ T5324] softirqs last disabled at (82801): [] __irq_exit_rcu+0x240/0x440 [ 112.382634][ T5324] ---[ end trace 870490d5c16eeeb5 ]--- [ 112.387794][ T5324] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 112.390395][ T5324] BTRFS info (device loop0): forced readonly [ 112.646652][ T5346] loop0: detected capacity change from 0 to 32768 [ 112.763446][ T5346] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5346) [ 112.770356][ T5346] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 112.772704][ T5346] BTRFS info (device loop0): setting nodatacow, compression disabled [ 112.774925][ T5346] BTRFS info (device loop0): setting datacow [ 112.776567][ T5346] BTRFS info (device loop0): doing ref verification [ 112.778812][ T5346] BTRFS info (device loop0): force clearing of disk cache [ 112.780763][ T5346] BTRFS info (device loop0): turning off barriers [ 112.782485][ T5346] BTRFS info (device loop0): use zlib compression, level 3 [ 112.784457][ T5346] BTRFS info (device loop0): using free space tree [ 112.786149][ T5346] BTRFS info (device loop0): has skinny extents [ 112.829312][ T5346] BTRFS info (device loop0): clearing free space tree [ 112.831310][ T5346] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.833900][ T5346] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.842521][ T5346] BTRFS info (device loop0): creating free space tree [ 112.844960][ T5346] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.847779][ T5346] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.855158][ T5346] FAULT_INJECTION: forcing a failure. [ 112.855158][ T5346] name failslab, interval 1, probability 0, space 0, times 0 [ 112.860190][ T5346] CPU: 0 PID: 5346 Comm: syz.0.26 Tainted: G W 5.15.182-syzkaller #0 [ 112.862774][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.865465][ T5346] Call trace: [ 112.866333][ T5346] dump_backtrace+0x0/0x43c [ 112.867516][ T5346] show_stack+0x2c/0x3c [ 112.868697][ T5346] __dump_stack+0x30/0x40 [ 112.869899][ T5346] dump_stack_lvl+0xf8/0x160 [ 112.871165][ T5346] dump_stack+0x1c/0x5c [ 112.872296][ T5346] should_fail+0x3c0/0x51c [ 112.873485][ T5346] __should_failslab+0xbc/0x10c [ 112.874798][ T5346] should_failslab+0x10/0x28 [ 112.876071][ T5346] slab_pre_alloc_hook+0x64/0xec [ 112.877414][ T5346] kmem_cache_alloc+0x94/0x3e4 [ 112.878737][ T5346] btrfs_alloc_path+0x5c/0x68 [ 112.880050][ T5346] btrfs_insert_dir_item+0x16c/0x3b8 [ 112.881573][ T5346] btrfs_add_link+0x294/0xa68 [ 112.882886][ T5346] btrfs_create+0x45c/0x508 [ 112.884084][ T5346] path_openat+0x1144/0x26e4 [ 112.885301][ T5346] do_filp_open+0x164/0x330 [ 112.886527][ T5346] do_sys_openat2+0x128/0x3d8 [ 112.887885][ T5346] __arm64_sys_openat+0x120/0x154 [ 112.889268][ T5346] invoke_syscall+0x98/0x2b8 [ 112.890528][ T5346] el0_svc_common+0x138/0x258 [ 112.891818][ T5346] do_el0_svc+0x58/0x14c [ 112.893041][ T5346] el0_svc+0x78/0x1e0 [ 112.894103][ T5346] el0t_64_sync_handler+0xcc/0xe4 [ 112.895468][ T5346] el0t_64_sync+0x1a0/0x1a4 [ 112.897647][ T5346] ------------[ cut here ]------------ [ 112.899337][ T5346] WARNING: CPU: 0 PID: 5346 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 112.901874][ T5346] Modules linked in: [ 112.902921][ T5346] CPU: 0 PID: 5346 Comm: syz.0.26 Tainted: G W 5.15.182-syzkaller #0 [ 112.905506][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.908418][ T5346] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.910671][ T5346] pc : btrfs_add_link+0x6e8/0xa68 [ 112.912088][ T5346] lr : btrfs_add_link+0x6e8/0xa68 [ 112.913502][ T5346] sp : ffff8000208a7580 [ 112.914625][ T5346] x29: ffff8000208a7680 x28: ffff0000de23b8f0 x27: 0000000000000108 [ 112.916901][ T5346] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 112.919156][ T5346] x23: 0000000000000014 x22: 1fffe0001bc47729 x21: ffff700004114eb8 [ 112.921397][ T5346] x20: 00000000fffffff4 x19: ffff0000de23b948 x18: 0000000000000001 [ 112.923657][ T5346] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 112.925995][ T5346] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.928266][ T5346] x11: 0000000000000000 x10: 0000000000000000 x9 : 4cdba02f4ccec600 [ 112.930474][ T5346] x8 : 4cdba02f4ccec600 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.932720][ T5346] x5 : ffff8000208a6e78 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 112.935008][ T5346] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.937350][ T5346] Call trace: [ 112.938285][ T5346] btrfs_add_link+0x6e8/0xa68 [ 112.939547][ T5346] btrfs_create+0x45c/0x508 [ 112.940868][ T5346] path_openat+0x1144/0x26e4 [ 112.942231][ T5346] do_filp_open+0x164/0x330 [ 112.943457][ T5346] do_sys_openat2+0x128/0x3d8 [ 112.944764][ T5346] __arm64_sys_openat+0x120/0x154 [ 112.946138][ T5346] invoke_syscall+0x98/0x2b8 [ 112.947410][ T5346] el0_svc_common+0x138/0x258 [ 112.948772][ T5346] do_el0_svc+0x58/0x14c [ 112.949918][ T5346] el0_svc+0x78/0x1e0 [ 112.951051][ T5346] el0t_64_sync_handler+0xcc/0xe4 [ 112.952419][ T5346] el0t_64_sync+0x1a0/0x1a4 [ 112.953697][ T5346] irq event stamp: 82202 [ 112.954892][ T5346] hardirqs last enabled at (82201): [] __up_console_sem+0xb4/0x100 [ 112.957746][ T5346] hardirqs last disabled at (82202): [] el1_dbg+0x24/0x80 [ 112.960253][ T5346] softirqs last enabled at (82182): [] handle_softirqs+0xa4c/0xbf0 [ 112.963008][ T5346] softirqs last disabled at (82109): [] __irq_exit_rcu+0x240/0x440 [ 112.965661][ T5346] ---[ end trace 870490d5c16eeeb6 ]--- [ 112.968247][ T5346] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 112.970872][ T5346] BTRFS info (device loop0): forced readonly [ 113.306584][ T5368] loop0: detected capacity change from 0 to 32768 [ 113.318357][ T5368] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5368) [ 113.325893][ T5368] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.328305][ T5368] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.330565][ T5368] BTRFS info (device loop0): setting datacow [ 113.332163][ T5368] BTRFS info (device loop0): doing ref verification [ 113.333973][ T5368] BTRFS info (device loop0): force clearing of disk cache [ 113.335885][ T5368] BTRFS info (device loop0): turning off barriers [ 113.337904][ T5368] BTRFS info (device loop0): use zlib compression, level 3 [ 113.339902][ T5368] BTRFS info (device loop0): using free space tree [ 113.341644][ T5368] BTRFS info (device loop0): has skinny extents [ 113.357899][ T5368] BTRFS info (device loop0): clearing free space tree [ 113.359836][ T5368] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.362482][ T5368] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.368984][ T5368] BTRFS info (device loop0): creating free space tree [ 113.371421][ T5368] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.373978][ T5368] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.382333][ T5368] FAULT_INJECTION: forcing a failure. [ 113.382333][ T5368] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 113.385939][ T5368] CPU: 1 PID: 5368 Comm: syz.0.27 Tainted: G W 5.15.182-syzkaller #0 [ 113.388520][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.391356][ T5368] Call trace: [ 113.392283][ T5368] dump_backtrace+0x0/0x43c [ 113.393516][ T5368] show_stack+0x2c/0x3c [ 113.394659][ T5368] __dump_stack+0x30/0x40 [ 113.395875][ T5368] dump_stack_lvl+0xf8/0x160 [ 113.397153][ T5368] dump_stack+0x1c/0x5c [ 113.398331][ T5368] should_fail+0x3c0/0x51c [ 113.399518][ T5368] should_fail_alloc_page+0x74/0xa8 [ 113.400929][ T5368] prepare_alloc_pages+0x160/0x460 [ 113.402301][ T5368] __alloc_pages+0x108/0x470 [ 113.403540][ T5368] alloc_pages+0x34c/0x5c0 [ 113.404717][ T5368] new_slab+0xe0/0x55c [ 113.405801][ T5368] ___slab_alloc+0x6c0/0xda8 [ 113.407071][ T5368] __slab_alloc+0x68/0xc0 [ 113.408292][ T5368] kmem_cache_alloc+0x2ac/0x3e4 [ 113.409605][ T5368] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 113.411318][ T5368] btrfs_delayed_update_inode+0x3c/0x1b7c [ 113.412903][ T5368] btrfs_update_inode+0x210/0x3d4 [ 113.414311][ T5368] btrfs_create+0x360/0x508 [ 113.415561][ T5368] path_openat+0x1144/0x26e4 [ 113.416845][ T5368] do_filp_open+0x164/0x330 [ 113.418030][ T5368] do_sys_openat2+0x128/0x3d8 [ 113.419349][ T5368] __arm64_sys_openat+0x120/0x154 [ 113.420679][ T5368] invoke_syscall+0x98/0x2b8 [ 113.421932][ T5368] el0_svc_common+0x138/0x258 [ 113.423210][ T5368] do_el0_svc+0x58/0x14c [ 113.424361][ T5368] el0_svc+0x78/0x1e0 [ 113.425452][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 113.426980][ T5368] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:53 executed programs: 15 [ 113.706963][ T5390] loop0: detected capacity change from 0 to 32768 [ 113.759259][ T5390] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5390) [ 113.800513][ T5390] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.802966][ T5390] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.805312][ T5390] BTRFS info (device loop0): setting datacow [ 113.806889][ T5390] BTRFS info (device loop0): doing ref verification [ 113.808824][ T5390] BTRFS info (device loop0): force clearing of disk cache [ 113.810732][ T5390] BTRFS info (device loop0): turning off barriers [ 113.812438][ T5390] BTRFS info (device loop0): use zlib compression, level 3 [ 113.814477][ T5390] BTRFS info (device loop0): using free space tree [ 113.816450][ T5390] BTRFS info (device loop0): has skinny extents [ 113.853970][ T5390] BTRFS info (device loop0): clearing free space tree [ 113.855965][ T5390] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.859492][ T5390] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.865667][ T5390] BTRFS info (device loop0): creating free space tree [ 113.870058][ T5390] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.872662][ T5390] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.881359][ T5390] FAULT_INJECTION: forcing a failure. [ 113.881359][ T5390] name failslab, interval 1, probability 0, space 0, times 0 [ 113.884806][ T5390] CPU: 1 PID: 5390 Comm: syz.0.28 Tainted: G W 5.15.182-syzkaller #0 [ 113.887395][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.890154][ T5390] Call trace: [ 113.891037][ T5390] dump_backtrace+0x0/0x43c [ 113.892298][ T5390] show_stack+0x2c/0x3c [ 113.893455][ T5390] __dump_stack+0x30/0x40 [ 113.894675][ T5390] dump_stack_lvl+0xf8/0x160 [ 113.895957][ T5390] dump_stack+0x1c/0x5c [ 113.897139][ T5390] should_fail+0x3c0/0x51c [ 113.898377][ T5390] __should_failslab+0xbc/0x10c [ 113.899772][ T5390] should_failslab+0x10/0x28 [ 113.901002][ T5390] slab_pre_alloc_hook+0x64/0xec [ 113.902306][ T5390] kmem_cache_alloc+0x94/0x3e4 [ 113.903640][ T5390] btrfs_alloc_path+0x5c/0x68 [ 113.904957][ T5390] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.906371][ T5390] btrfs_add_link+0x294/0xa68 [ 113.907632][ T5390] btrfs_create+0x45c/0x508 [ 113.908954][ T5390] path_openat+0x1144/0x26e4 [ 113.910229][ T5390] do_filp_open+0x164/0x330 [ 113.911509][ T5390] do_sys_openat2+0x128/0x3d8 [ 113.912781][ T5390] __arm64_sys_openat+0x120/0x154 [ 113.914200][ T5390] invoke_syscall+0x98/0x2b8 [ 113.915467][ T5390] el0_svc_common+0x138/0x258 [ 113.916761][ T5390] do_el0_svc+0x58/0x14c [ 113.917905][ T5390] el0_svc+0x78/0x1e0 [ 113.919002][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 113.920388][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 113.925570][ T5390] ------------[ cut here ]------------ [ 113.927260][ T5390] WARNING: CPU: 0 PID: 5390 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 113.929791][ T5390] Modules linked in: [ 113.930883][ T5390] CPU: 0 PID: 5390 Comm: syz.0.28 Tainted: G W 5.15.182-syzkaller #0 [ 113.933457][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.936224][ T5390] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.938340][ T5390] pc : btrfs_add_link+0x6e8/0xa68 [ 113.939707][ T5390] lr : btrfs_add_link+0x6e8/0xa68 [ 113.941074][ T5390] sp : ffff800020af7580 [ 113.942220][ T5390] x29: ffff800020af7680 x28: ffff0000dcab2d10 x27: 0000000000000108 [ 113.944432][ T5390] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 113.946613][ T5390] x23: 0000000000000014 x22: 1fffe0001b9565ad x21: ffff70000415eeb8 [ 113.948870][ T5390] x20: 00000000fffffff4 x19: ffff0000dcab2d68 x18: 0000000000000001 [ 113.951077][ T5390] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 113.953243][ T5390] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.955440][ T5390] x11: 0000000000000000 x10: 0000000000000000 x9 : 2628757b1de4b900 [ 113.957610][ T5390] x8 : 2628757b1de4b900 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.959746][ T5390] x5 : ffff800020af6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 113.961891][ T5390] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.964033][ T5390] Call trace: [ 113.964908][ T5390] btrfs_add_link+0x6e8/0xa68 [ 113.966204][ T5390] btrfs_create+0x45c/0x508 [ 113.967462][ T5390] path_openat+0x1144/0x26e4 [ 113.968731][ T5390] do_filp_open+0x164/0x330 [ 113.970021][ T5390] do_sys_openat2+0x128/0x3d8 [ 113.971329][ T5390] __arm64_sys_openat+0x120/0x154 [ 113.972730][ T5390] invoke_syscall+0x98/0x2b8 [ 113.974011][ T5390] el0_svc_common+0x138/0x258 [ 113.975323][ T5390] do_el0_svc+0x58/0x14c [ 113.976485][ T5390] el0_svc+0x78/0x1e0 [ 113.977624][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 113.979044][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 113.980289][ T5390] irq event stamp: 82426 [ 113.981479][ T5390] hardirqs last enabled at (82425): [] __up_console_sem+0xb4/0x100 [ 113.984224][ T5390] hardirqs last disabled at (82426): [] el1_dbg+0x24/0x80 [ 113.986668][ T5390] softirqs last enabled at (82404): [] handle_softirqs+0xa4c/0xbf0 [ 113.989354][ T5390] softirqs last disabled at (82321): [] __irq_exit_rcu+0x240/0x440 [ 113.991986][ T5390] ---[ end trace 870490d5c16eeeb7 ]--- [ 113.994594][ T5390] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 113.998635][ T5390] BTRFS info (device loop0): forced readonly [ 114.283726][ T5412] loop0: detected capacity change from 0 to 32768 [ 114.366060][ T5412] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5412) [ 114.371892][ T5412] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 114.374251][ T5412] BTRFS info (device loop0): setting nodatacow, compression disabled [ 114.376406][ T5412] BTRFS info (device loop0): setting datacow [ 114.378681][ T5412] BTRFS info (device loop0): doing ref verification [ 114.380634][ T5412] BTRFS info (device loop0): force clearing of disk cache [ 114.382476][ T5412] BTRFS info (device loop0): turning off barriers [ 114.384212][ T5412] BTRFS info (device loop0): use zlib compression, level 3 [ 114.386083][ T5412] BTRFS info (device loop0): using free space tree [ 114.388318][ T5412] BTRFS info (device loop0): has skinny extents [ 114.402797][ T5412] BTRFS info (device loop0): clearing free space tree [ 114.404737][ T5412] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.407867][ T5412] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.413457][ T5412] BTRFS info (device loop0): creating free space tree [ 114.415865][ T5412] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.419117][ T5412] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.426767][ T5412] FAULT_INJECTION: forcing a failure. [ 114.426767][ T5412] name failslab, interval 1, probability 0, space 0, times 0 [ 114.431233][ T5412] CPU: 1 PID: 5412 Comm: syz.0.29 Tainted: G W 5.15.182-syzkaller #0 [ 114.433845][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.436721][ T5412] Call trace: [ 114.437592][ T5412] dump_backtrace+0x0/0x43c [ 114.438895][ T5412] show_stack+0x2c/0x3c [ 114.440004][ T5412] __dump_stack+0x30/0x40 [ 114.441233][ T5412] dump_stack_lvl+0xf8/0x160 [ 114.442539][ T5412] dump_stack+0x1c/0x5c [ 114.443663][ T5412] should_fail+0x3c0/0x51c [ 114.444922][ T5412] __should_failslab+0xbc/0x10c [ 114.446359][ T5412] should_failslab+0x10/0x28 [ 114.447613][ T5412] slab_pre_alloc_hook+0x64/0xec [ 114.448960][ T5412] kmem_cache_alloc+0x94/0x3e4 [ 114.450254][ T5412] btrfs_alloc_path+0x5c/0x68 [ 114.451547][ T5412] btrfs_insert_dir_item+0x16c/0x3b8 [ 114.452984][ T5412] btrfs_add_link+0x294/0xa68 [ 114.454282][ T5412] btrfs_create+0x45c/0x508 [ 114.455544][ T5412] path_openat+0x1144/0x26e4 [ 114.456790][ T5412] do_filp_open+0x164/0x330 [ 114.458060][ T5412] do_sys_openat2+0x128/0x3d8 [ 114.459346][ T5412] __arm64_sys_openat+0x120/0x154 [ 114.460714][ T5412] invoke_syscall+0x98/0x2b8 [ 114.461956][ T5412] el0_svc_common+0x138/0x258 [ 114.463391][ T5412] do_el0_svc+0x58/0x14c [ 114.464548][ T5412] el0_svc+0x78/0x1e0 [ 114.465641][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 114.467088][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 114.470952][ T5412] ------------[ cut here ]------------ [ 114.472657][ T5412] WARNING: CPU: 1 PID: 5412 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 114.475031][ T5412] Modules linked in: [ 114.476112][ T5412] CPU: 1 PID: 5412 Comm: syz.0.29 Tainted: G W 5.15.182-syzkaller #0 [ 114.478607][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.481377][ T5412] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.483494][ T5412] pc : btrfs_add_link+0x6e8/0xa68 [ 114.484861][ T5412] lr : btrfs_add_link+0x6e8/0xa68 [ 114.486204][ T5412] sp : ffff8000208d7580 [ 114.487308][ T5412] x29: ffff8000208d7680 x28: ffff0000de21ea50 x27: 0000000000000108 [ 114.489483][ T5412] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 114.491660][ T5412] x23: 0000000000000014 x22: 1fffe0001bc43d55 x21: ffff70000411aeb8 [ 114.493936][ T5412] x20: 00000000fffffff4 x19: ffff0000de21eaa8 x18: 0000000000000001 [ 114.496172][ T5412] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 114.498319][ T5412] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.500554][ T5412] x11: 0000000000000000 x10: 0000000000000000 x9 : ad72d0ade8021a00 [ 114.502712][ T5412] x8 : ad72d0ade8021a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.504852][ T5412] x5 : ffff8000208d6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 114.506984][ T5412] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.509263][ T5412] Call trace: [ 114.510170][ T5412] btrfs_add_link+0x6e8/0xa68 [ 114.511453][ T5412] btrfs_create+0x45c/0x508 [ 114.512685][ T5412] path_openat+0x1144/0x26e4 [ 114.513940][ T5412] do_filp_open+0x164/0x330 [ 114.515200][ T5412] do_sys_openat2+0x128/0x3d8 [ 114.516461][ T5412] __arm64_sys_openat+0x120/0x154 [ 114.517839][ T5412] invoke_syscall+0x98/0x2b8 [ 114.519139][ T5412] el0_svc_common+0x138/0x258 [ 114.520445][ T5412] do_el0_svc+0x58/0x14c [ 114.521551][ T5412] el0_svc+0x78/0x1e0 [ 114.522584][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 114.523966][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 114.525256][ T5412] irq event stamp: 81472 [ 114.526401][ T5412] hardirqs last enabled at (81471): [] __up_console_sem+0xb4/0x100 [ 114.529058][ T5412] hardirqs last disabled at (81472): [] el1_dbg+0x24/0x80 [ 114.531463][ T5412] softirqs last enabled at (81452): [] handle_softirqs+0xa4c/0xbf0 [ 114.534150][ T5412] softirqs last disabled at (81403): [] __irq_exit_rcu+0x240/0x440 [ 114.536728][ T5412] ---[ end trace 870490d5c16eeeb8 ]--- [ 114.541389][ T5412] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 114.543852][ T5412] BTRFS info (device loop0): forced readonly [ 114.811325][ T5434] loop0: detected capacity change from 0 to 32768 [ 114.823770][ T5434] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5434) [ 114.837622][ T5434] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 114.840441][ T5434] BTRFS info (device loop0): setting nodatacow, compression disabled [ 114.842656][ T5434] BTRFS info (device loop0): setting datacow [ 114.844353][ T5434] BTRFS info (device loop0): doing ref verification [ 114.846206][ T5434] BTRFS info (device loop0): force clearing of disk cache [ 114.994177][ T5434] FAULT_INJECTION: forcing a failure. [ 114.994177][ T5434] name failslab, interval 1, probability 0, space 0, times 0 [ 114.998097][ T5434] CPU: 1 PID: 5434 Comm: syz.0.30 Tainted: G W 5.15.182-syzkaller #0 [ 115.000686][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.003649][ T5434] Call trace: [ 115.004578][ T5434] dump_backtrace+0x0/0x43c [ 115.005931][ T5434] show_stack+0x2c/0x3c [ 115.007157][ T5434] __dump_stack+0x30/0x40 [ 115.008357][ T5434] dump_stack_lvl+0xf8/0x160 [ 115.009649][ T5434] dump_stack+0x1c/0x5c [ 115.010849][ T5434] should_fail+0x3c0/0x51c [ 115.012206][ T5434] __should_failslab+0xbc/0x10c [ 115.013550][ T5434] should_failslab+0x10/0x28 [ 115.014846][ T5434] slab_pre_alloc_hook+0x64/0xec [ 115.016271][ T5434] kmem_cache_alloc+0x94/0x3e4 [ 115.017630][ T5434] btrfs_alloc_path+0x5c/0x68 [ 115.018948][ T5434] btrfs_insert_dir_item+0x16c/0x3b8 [ 115.020521][ T5434] btrfs_add_link+0x294/0xa68 [ 115.021816][ T5434] btrfs_create+0x45c/0x508 [ 115.023056][ T5434] path_openat+0x1144/0x26e4 [ 115.024416][ T5434] do_filp_open+0x164/0x330 [ 115.025673][ T5434] do_sys_openat2+0x128/0x3d8 [ 115.026959][ T5434] __arm64_sys_openat+0x120/0x154 [ 115.028362][ T5434] invoke_syscall+0x98/0x2b8 [ 115.029626][ T5434] el0_svc_common+0x138/0x258 [ 115.030946][ T5434] do_el0_svc+0x58/0x14c [ 115.032080][ T5434] el0_svc+0x78/0x1e0 [ 115.033214][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 115.034611][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 115.087313][ T5434] ------------[ cut here ]------------ [ 115.089081][ T5434] WARNING: CPU: 1 PID: 5434 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 115.091480][ T5434] Modules linked in: [ 115.092527][ T5434] CPU: 1 PID: 5434 Comm: syz.0.30 Tainted: G W 5.15.182-syzkaller #0 [ 115.094964][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.097705][ T5434] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.099845][ T5434] pc : btrfs_add_link+0x6e8/0xa68 [ 115.101275][ T5434] lr : btrfs_add_link+0x6e8/0xa68 [ 115.102635][ T5434] sp : ffff800020c07580 [ 115.103755][ T5434] x29: ffff800020c07680 x28: ffff0000de21e8f0 x27: 0000000000000108 [ 115.106023][ T5434] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 115.108201][ T5434] x23: 0000000000000014 x22: 1fffe0001bc43d29 x21: ffff700004180eb8 [ 115.110400][ T5434] x20: 00000000fffffff4 x19: ffff0000de21e948 x18: 0000000000000001 [ 115.112625][ T5434] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 115.114797][ T5434] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.117014][ T5434] x11: 0000000000000000 x10: 0000000000000000 x9 : 3bdcfbf08efa2500 [ 115.119226][ T5434] x8 : 3bdcfbf08efa2500 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.121410][ T5434] x5 : ffff800020c06e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 115.123634][ T5434] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.125811][ T5434] Call trace: [ 115.126723][ T5434] btrfs_add_link+0x6e8/0xa68 [ 115.128014][ T5434] btrfs_create+0x45c/0x508 [ 115.129267][ T5434] path_openat+0x1144/0x26e4 [ 115.130515][ T5434] do_filp_open+0x164/0x330 [ 115.131714][ T5434] do_sys_openat2+0x128/0x3d8 [ 115.132987][ T5434] __arm64_sys_openat+0x120/0x154 [ 115.134464][ T5434] invoke_syscall+0x98/0x2b8 [ 115.135724][ T5434] el0_svc_common+0x138/0x258 [ 115.137060][ T5434] do_el0_svc+0x58/0x14c [ 115.138229][ T5434] el0_svc+0x78/0x1e0 [ 115.139304][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 115.140762][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 115.142017][ T5434] irq event stamp: 81726 [ 115.143155][ T5434] hardirqs last enabled at (81725): [] __up_console_sem+0xb4/0x100 [ 115.145734][ T5434] hardirqs last disabled at (81726): [] el1_dbg+0x24/0x80 [ 115.148351][ T5434] softirqs last enabled at (81706): [] handle_softirqs+0xa4c/0xbf0 [ 115.151094][ T5434] softirqs last disabled at (81667): [] __irq_exit_rcu+0x240/0x440 [ 115.153694][ T5434] ---[ end trace 870490d5c16eeeb9 ]--- [ 115.159092][ T5434] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 115.528323][ T5456] loop0: detected capacity change from 0 to 32768 [ 115.577295][ T5456] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5456) [ 115.700665][ T5456] FAULT_INJECTION: forcing a failure. [ 115.700665][ T5456] name failslab, interval 1, probability 0, space 0, times 0 [ 115.704152][ T5456] CPU: 0 PID: 5456 Comm: syz.0.31 Tainted: G W 5.15.182-syzkaller #0 [ 115.706736][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.709544][ T5456] Call trace: [ 115.710457][ T5456] dump_backtrace+0x0/0x43c [ 115.711705][ T5456] show_stack+0x2c/0x3c [ 115.712819][ T5456] __dump_stack+0x30/0x40 [ 115.714028][ T5456] dump_stack_lvl+0xf8/0x160 [ 115.715311][ T5456] dump_stack+0x1c/0x5c [ 115.716494][ T5456] should_fail+0x3c0/0x51c [ 115.717690][ T5456] __should_failslab+0xbc/0x10c [ 115.719013][ T5456] should_failslab+0x10/0x28 [ 115.720350][ T5456] slab_pre_alloc_hook+0x64/0xec [ 115.721664][ T5456] kmem_cache_alloc+0x94/0x3e4 [ 115.723000][ T5456] btrfs_alloc_path+0x5c/0x68 [ 115.724263][ T5456] btrfs_insert_dir_item+0x16c/0x3b8 [ 115.725706][ T5456] btrfs_add_link+0x294/0xa68 [ 115.727117][ T5456] btrfs_create+0x45c/0x508 [ 115.728385][ T5456] path_openat+0x1144/0x26e4 [ 115.729711][ T5456] do_filp_open+0x164/0x330 [ 115.730962][ T5456] do_sys_openat2+0x128/0x3d8 [ 115.732210][ T5456] __arm64_sys_openat+0x120/0x154 [ 115.733599][ T5456] invoke_syscall+0x98/0x2b8 [ 115.734898][ T5456] el0_svc_common+0x138/0x258 [ 115.736187][ T5456] do_el0_svc+0x58/0x14c [ 115.737346][ T5456] el0_svc+0x78/0x1e0 [ 115.738491][ T5456] el0t_64_sync_handler+0xcc/0xe4 [ 115.739925][ T5456] el0t_64_sync+0x1a0/0x1a4 [ 115.751228][ T5456] ------------[ cut here ]------------ [ 115.752974][ T5456] WARNING: CPU: 0 PID: 5456 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 115.755433][ T5456] Modules linked in: [ 115.756519][ T5456] CPU: 0 PID: 5456 Comm: syz.0.31 Tainted: G W 5.15.182-syzkaller #0 [ 115.759133][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.761946][ T5456] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.764130][ T5456] pc : btrfs_add_link+0x6e8/0xa68 [ 115.765510][ T5456] lr : btrfs_add_link+0x6e8/0xa68 [ 115.766852][ T5456] sp : ffff800020797580 [ 115.767976][ T5456] x29: ffff800020797680 x28: ffff0000de23bd10 x27: 0000000000000108 [ 115.770225][ T5456] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 115.772462][ T5456] x23: 0000000000000014 x22: 1fffe0001bc477ad x21: ffff7000040f2eb8 [ 115.774675][ T5456] x20: 00000000fffffff4 x19: ffff0000de23bd68 x18: 0000000000000001 [ 115.776952][ T5456] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 115.779200][ T5456] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.781462][ T5456] x11: 0000000000000000 x10: 0000000000000000 x9 : ae22deae33edf700 [ 115.783703][ T5456] x8 : ae22deae33edf700 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.786009][ T5456] x5 : ffff800020796e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 115.788230][ T5456] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.790545][ T5456] Call trace: [ 115.791462][ T5456] btrfs_add_link+0x6e8/0xa68 [ 115.792760][ T5456] btrfs_create+0x45c/0x508 [ 115.794014][ T5456] path_openat+0x1144/0x26e4 [ 115.795249][ T5456] do_filp_open+0x164/0x330 [ 115.796491][ T5456] do_sys_openat2+0x128/0x3d8 [ 115.797776][ T5456] __arm64_sys_openat+0x120/0x154 [ 115.799137][ T5456] invoke_syscall+0x98/0x2b8 [ 115.800390][ T5456] el0_svc_common+0x138/0x258 [ 115.801684][ T5456] do_el0_svc+0x58/0x14c [ 115.802914][ T5456] el0_svc+0x78/0x1e0 [ 115.804042][ T5456] el0t_64_sync_handler+0xcc/0xe4 [ 115.805447][ T5456] el0t_64_sync+0x1a0/0x1a4 [ 115.806720][ T5456] irq event stamp: 82222 [ 115.807887][ T5456] hardirqs last enabled at (82221): [] __up_console_sem+0xb4/0x100 [ 115.810520][ T5456] hardirqs last disabled at (82222): [] el1_dbg+0x24/0x80 [ 115.812930][ T5456] softirqs last enabled at (82202): [] handle_softirqs+0xa4c/0xbf0 [ 115.815696][ T5456] softirqs last disabled at (82089): [] __irq_exit_rcu+0x240/0x440 [ 115.818346][ T5456] ---[ end trace 870490d5c16eeeba ]--- [ 115.834481][ T5456] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 116.128024][ T5478] loop0: detected capacity change from 0 to 32768 [ 116.196339][ T5478] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5478) [ 116.235937][ T5478] FAULT_INJECTION: forcing a failure. [ 116.235937][ T5478] name failslab, interval 1, probability 0, space 0, times 0 [ 116.240137][ T5478] CPU: 1 PID: 5478 Comm: syz.0.32 Tainted: G W 5.15.182-syzkaller #0 [ 116.242719][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.245418][ T5478] Call trace: [ 116.246338][ T5478] dump_backtrace+0x0/0x43c [ 116.247614][ T5478] show_stack+0x2c/0x3c [ 116.248784][ T5478] __dump_stack+0x30/0x40 [ 116.249998][ T5478] dump_stack_lvl+0xf8/0x160 [ 116.251348][ T5478] dump_stack+0x1c/0x5c [ 116.252524][ T5478] should_fail+0x3c0/0x51c [ 116.253823][ T5478] __should_failslab+0xbc/0x10c [ 116.255237][ T5478] should_failslab+0x10/0x28 [ 116.256516][ T5478] slab_pre_alloc_hook+0x64/0xec [ 116.257902][ T5478] kmem_cache_alloc+0x94/0x3e4 [ 116.259317][ T5478] btrfs_alloc_path+0x5c/0x68 [ 116.260593][ T5478] btrfs_insert_dir_item+0x16c/0x3b8 [ 116.262107][ T5478] btrfs_add_link+0x294/0xa68 [ 116.263430][ T5478] btrfs_create+0x45c/0x508 [ 116.264739][ T5478] path_openat+0x1144/0x26e4 [ 116.266067][ T5478] do_filp_open+0x164/0x330 [ 116.267325][ T5478] do_sys_openat2+0x128/0x3d8 [ 116.268703][ T5478] __arm64_sys_openat+0x120/0x154 [ 116.270138][ T5478] invoke_syscall+0x98/0x2b8 [ 116.271448][ T5478] el0_svc_common+0x138/0x258 [ 116.272774][ T5478] do_el0_svc+0x58/0x14c [ 116.274031][ T5478] el0_svc+0x78/0x1e0 [ 116.275203][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 116.276582][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 116.280635][ T5478] ------------[ cut here ]------------ [ 116.282366][ T5478] WARNING: CPU: 1 PID: 5478 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 116.284820][ T5478] Modules linked in: [ 116.285970][ T5478] CPU: 1 PID: 5478 Comm: syz.0.32 Tainted: G W 5.15.182-syzkaller #0 [ 116.288597][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.291453][ T5478] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.293677][ T5478] pc : btrfs_add_link+0x6e8/0xa68 [ 116.295074][ T5478] lr : btrfs_add_link+0x6e8/0xa68 [ 116.296405][ T5478] sp : ffff800020c07580 [ 116.297529][ T5478] x29: ffff800020c07680 x28: ffff0000de21e630 x27: 0000000000000108 [ 116.299712][ T5478] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 116.301935][ T5478] x23: 0000000000000014 x22: 1fffe0001bc43cd1 x21: ffff700004180eb8 [ 116.304171][ T5478] x20: 00000000fffffff4 x19: ffff0000de21e688 x18: 0000000000000001 [ 116.306420][ T5478] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 116.308580][ T5478] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.310853][ T5478] x11: 0000000000000000 x10: 0000000000000000 x9 : e03846fd22ce4500 [ 116.313111][ T5478] x8 : e03846fd22ce4500 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.315341][ T5478] x5 : ffff800020c06e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 116.317587][ T5478] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.319801][ T5478] Call trace: [ 116.320726][ T5478] btrfs_add_link+0x6e8/0xa68 [ 116.322054][ T5478] btrfs_create+0x45c/0x508 [ 116.323329][ T5478] path_openat+0x1144/0x26e4 [ 116.324594][ T5478] do_filp_open+0x164/0x330 [ 116.325883][ T5478] do_sys_openat2+0x128/0x3d8 [ 116.327226][ T5478] __arm64_sys_openat+0x120/0x154 [ 116.328754][ T5478] invoke_syscall+0x98/0x2b8 [ 116.330066][ T5478] el0_svc_common+0x138/0x258 [ 116.331402][ T5478] do_el0_svc+0x58/0x14c [ 116.332551][ T5478] el0_svc+0x78/0x1e0 [ 116.333693][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 116.335091][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 116.336387][ T5478] irq event stamp: 84310 [ 116.337529][ T5478] hardirqs last enabled at (84309): [] __up_console_sem+0xb4/0x100 [ 116.340205][ T5478] hardirqs last disabled at (84310): [] el1_dbg+0x24/0x80 [ 116.342654][ T5478] softirqs last enabled at (84290): [] handle_softirqs+0xa4c/0xbf0 [ 116.345417][ T5478] softirqs last disabled at (84185): [] __irq_exit_rcu+0x240/0x440 [ 116.348079][ T5478] ---[ end trace 870490d5c16eeebb ]--- [ 116.352641][ T5478] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 116.624998][ T5500] loop0: detected capacity change from 0 to 32768 [ 116.670790][ T5500] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5500) [ 116.710216][ T5500] FAULT_INJECTION: forcing a failure. [ 116.710216][ T5500] name failslab, interval 1, probability 0, space 0, times 0 [ 116.713902][ T5500] CPU: 0 PID: 5500 Comm: syz.0.33 Tainted: G W 5.15.182-syzkaller #0 [ 116.716387][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.719078][ T5500] Call trace: [ 116.719947][ T5500] dump_backtrace+0x0/0x43c [ 116.721168][ T5500] show_stack+0x2c/0x3c [ 116.722306][ T5500] __dump_stack+0x30/0x40 [ 116.723518][ T5500] dump_stack_lvl+0xf8/0x160 [ 116.724780][ T5500] dump_stack+0x1c/0x5c [ 116.725880][ T5500] should_fail+0x3c0/0x51c [ 116.727090][ T5500] __should_failslab+0xbc/0x10c [ 116.728455][ T5500] should_failslab+0x10/0x28 [ 116.729715][ T5500] slab_pre_alloc_hook+0x64/0xec [ 116.731097][ T5500] kmem_cache_alloc+0x94/0x3e4 [ 116.732414][ T5500] btrfs_alloc_path+0x5c/0x68 [ 116.733682][ T5500] btrfs_insert_dir_item+0x16c/0x3b8 [ 116.735169][ T5500] btrfs_add_link+0x294/0xa68 [ 116.736465][ T5500] btrfs_create+0x45c/0x508 [ 116.737683][ T5500] path_openat+0x1144/0x26e4 [ 116.738989][ T5500] do_filp_open+0x164/0x330 [ 116.740247][ T5500] do_sys_openat2+0x128/0x3d8 [ 116.741510][ T5500] __arm64_sys_openat+0x120/0x154 [ 116.742885][ T5500] invoke_syscall+0x98/0x2b8 [ 116.744225][ T5500] el0_svc_common+0x138/0x258 [ 116.745498][ T5500] do_el0_svc+0x58/0x14c [ 116.746651][ T5500] el0_svc+0x78/0x1e0 [ 116.747773][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 116.749109][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 116.750565][ T5500] ------------[ cut here ]------------ [ 116.752288][ T5500] WARNING: CPU: 0 PID: 5500 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 116.754704][ T5500] Modules linked in: [ 116.755746][ T5500] CPU: 0 PID: 5500 Comm: syz.0.33 Tainted: G W 5.15.182-syzkaller #0 [ 116.758263][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.760982][ T5500] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.763116][ T5500] pc : btrfs_add_link+0x6e8/0xa68 [ 116.764455][ T5500] lr : btrfs_add_link+0x6e8/0xa68 [ 116.765862][ T5500] sp : ffff800021077580 [ 116.767029][ T5500] x29: ffff800021077680 x28: ffff0000de23bf20 x27: 0000000000000108 [ 116.769234][ T5500] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 116.771420][ T5500] x23: 0000000000000014 x22: 1fffe0001bc477ef x21: ffff70000420eeb8 [ 116.773598][ T5500] x20: 00000000fffffff4 x19: ffff0000de23bf78 x18: 0000000000000001 [ 116.775809][ T5500] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 116.778032][ T5500] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.780303][ T5500] x11: 0000000000000000 x10: 0000000000000000 x9 : 5ba2a8a0ba776800 [ 116.782483][ T5500] x8 : 5ba2a8a0ba776800 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.784652][ T5500] x5 : ffff800021076e78 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 116.786859][ T5500] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.789146][ T5500] Call trace: [ 116.790030][ T5500] btrfs_add_link+0x6e8/0xa68 [ 116.791315][ T5500] btrfs_create+0x45c/0x508 [ 116.792576][ T5500] path_openat+0x1144/0x26e4 [ 116.793839][ T5500] do_filp_open+0x164/0x330 [ 116.795094][ T5500] do_sys_openat2+0x128/0x3d8 [ 116.796391][ T5500] __arm64_sys_openat+0x120/0x154 [ 116.797807][ T5500] invoke_syscall+0x98/0x2b8 [ 116.799059][ T5500] el0_svc_common+0x138/0x258 [ 116.800310][ T5500] do_el0_svc+0x58/0x14c [ 116.801523][ T5500] el0_svc+0x78/0x1e0 [ 116.802607][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 116.803959][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 116.805266][ T5500] irq event stamp: 81944 [ 116.806423][ T5500] hardirqs last enabled at (81943): [] __up_console_sem+0xb4/0x100 [ 116.809132][ T5500] hardirqs last disabled at (81944): [] el1_dbg+0x24/0x80 [ 116.811477][ T5500] softirqs last enabled at (81924): [] handle_softirqs+0xa4c/0xbf0 [ 116.814030][ T5500] softirqs last disabled at (81907): [] __irq_exit_rcu+0x240/0x440 [ 116.816700][ T5500] ---[ end trace 870490d5c16eeebc ]--- [ 116.826438][ T5500] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 116.830264][ T5500] btrfs_printk: 58 callbacks suppressed [ 116.830273][ T5500] BTRFS info (device loop0): forced readonly