Warning: Permanently added '10.128.1.142' (ED25519) to the list of known hosts. 1970/01/01 00:01:26 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:27 parsed 1 programs [ 90.307158][ T4444] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 98.545154][ T4480] chnl_net:caif_netlink_parms(): no params data found [ 98.581645][ T4480] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.583752][ T4480] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.586326][ T4480] device bridge_slave_0 entered promiscuous mode [ 98.591079][ T4480] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.593132][ T4480] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.595858][ T4480] device bridge_slave_1 entered promiscuous mode [ 98.611994][ T4480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.616602][ T4480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.634189][ T4480] team0: Port device team_slave_0 added [ 98.639035][ T4480] team0: Port device team_slave_1 added [ 98.651606][ T4480] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.653619][ T4480] 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. [ 98.660913][ T4480] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.665141][ T4480] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.667132][ T4480] 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. [ 98.674716][ T4480] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.730240][ T4480] device hsr_slave_0 entered promiscuous mode [ 98.788322][ T4480] device hsr_slave_1 entered promiscuous mode [ 99.593956][ T4480] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.641174][ T4480] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.669889][ T4480] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.730640][ T4480] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.849453][ T4480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.856756][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 99.859932][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.864887][ T4480] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.874742][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 99.878992][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.881726][ T646] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.883770][ T646] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.886174][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 99.891341][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.894043][ T646] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.896158][ T646] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.898767][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 99.901734][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 99.921922][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 99.925179][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 99.929065][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.944842][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.947583][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 99.967077][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.970915][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 99.973705][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.983901][ T4480] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 99.987420][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.992022][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 99.994832][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.102841][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.105082][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.112924][ T4480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.127338][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.131611][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.145588][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.150130][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.153151][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.155637][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.161612][ T4480] device veth0_vlan entered promiscuous mode [ 100.169921][ T4480] device veth1_vlan entered promiscuous mode [ 100.189067][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.191767][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.194438][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.197616][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.205120][ T4480] device veth0_macvtap entered promiscuous mode [ 100.211222][ T4480] device veth1_macvtap entered promiscuous mode [ 100.225664][ T4480] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.227847][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.231983][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.241390][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.244199][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.251490][ T4480] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.255590][ T4480] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.260448][ T4480] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.265144][ T4480] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.267522][ T4480] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.293977][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.296891][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 101.093361][ T1628] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.095727][ T1628] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.102732][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 101.117044][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.120941][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.150015][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:41 executed programs: 0 [ 101.851960][ T4659] chnl_net:caif_netlink_parms(): no params data found [ 101.899177][ T4659] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.901213][ T4659] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.903823][ T4659] device bridge_slave_0 entered promiscuous mode [ 101.909394][ T4659] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.911538][ T4659] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.914187][ T4659] device bridge_slave_1 entered promiscuous mode [ 101.931379][ T4659] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.937334][ T4659] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.955246][ T4659] team0: Port device team_slave_0 added [ 101.959615][ T4659] team0: Port device team_slave_1 added [ 101.990066][ T4659] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.992116][ T4659] 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. [ 101.999412][ T4659] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.003751][ T4659] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.005619][ T4659] 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. [ 102.013329][ T4659] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.080117][ T4659] device hsr_slave_0 entered promiscuous mode [ 102.098543][ T4659] device hsr_slave_1 entered promiscuous mode [ 102.138204][ T4659] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 102.140355][ T4659] Cannot create hsr debugfs directory [ 102.223024][ T4659] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.810330][ T4052] Bluetooth: hci0: command 0x0409 tx timeout [ 105.888183][ T4099] Bluetooth: hci0: command 0x041b tx timeout [ 106.036121][ T4659] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.085824][ T4659] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.126454][ T4659] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.343829][ T4659] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.361237][ T4659] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.390468][ T4659] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.441658][ T4659] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.544880][ T4659] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.552243][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 106.555071][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 106.585637][ T4659] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.591501][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 106.594433][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 106.597367][ T597] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.599458][ T597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.602421][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 106.607164][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 106.610180][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 106.612835][ T597] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.614789][ T597] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.620312][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.625501][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.643376][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 106.649812][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 106.652861][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 106.656047][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 106.661513][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 106.664203][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 106.666885][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 106.675934][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 106.679688][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.700589][ T4659] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.780511][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.782760][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.790173][ T4659] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.802702][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 106.805685][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 106.821014][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 106.823971][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 106.826915][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 106.830983][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 106.833780][ T4659] device veth0_vlan entered promiscuous mode [ 106.841787][ T4659] device veth1_vlan entered promiscuous mode [ 106.861051][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 106.863998][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 106.866751][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 106.872025][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 106.876990][ T4659] device veth0_macvtap entered promiscuous mode [ 106.881717][ T4659] device veth1_macvtap entered promiscuous mode [ 106.892005][ T4659] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 106.895031][ T4659] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 106.900395][ T4659] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.902688][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.905607][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 106.909193][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.912081][ T597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.916562][ T4659] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 106.920031][ T4659] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 106.923793][ T4659] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.926554][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.929694][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 106.935085][ T4659] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.937703][ T4659] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.940827][ T4659] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.943318][ T4659] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.009070][ T646] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.011401][ T646] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.023557][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 1970/01/01 00:01:47 executed programs: 2 [ 107.032222][ T646] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.034536][ T646] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.037790][ T646] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 107.264056][ T4873] loop0: detected capacity change from 0 to 32768 [ 107.304526][ T4873] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4873) [ 107.325955][ T4873] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 107.330762][ T4873] BTRFS info (device loop0): metadata ratio 1025 [ 107.333529][ T4873] BTRFS info (device loop0): doing ref verification [ 107.335310][ T4873] BTRFS info (device loop0): force clearing of disk cache [ 107.337306][ T4873] BTRFS info (device loop0): turning off barriers [ 107.340806][ T4873] BTRFS info (device loop0): setting nodatacow, compression disabled [ 107.343954][ T4873] BTRFS info (device loop0): enabling ssd optimizations [ 107.346322][ T4873] BTRFS info (device loop0): using spread ssd allocation scheme [ 107.349413][ T4873] BTRFS info (device loop0): not using ssd optimizations [ 107.351885][ T4873] BTRFS info (device loop0): not using spread ssd allocation scheme [ 107.354061][ T4873] BTRFS info (device loop0): using free space tree [ 107.355805][ T4873] BTRFS info (device loop0): has skinny extents [ 107.464173][ T4873] BTRFS info (device loop0): clearing free space tree [ 107.466439][ T4873] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.469609][ T4873] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.490163][ T4873] BTRFS info (device loop0): creating free space tree [ 107.493564][ T4873] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.496468][ T4873] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.523529][ T4873] FAULT_INJECTION: forcing a failure. [ 107.523529][ T4873] name failslab, interval 1, probability 0, space 0, times 1 [ 107.534299][ T4873] CPU: 1 PID: 4873 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 107.536606][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.539408][ T4873] Call trace: [ 107.540357][ T4873] dump_backtrace+0x0/0x43c [ 107.541647][ T4873] show_stack+0x2c/0x3c [ 107.542827][ T4873] __dump_stack+0x30/0x40 [ 107.544136][ T4873] dump_stack_lvl+0xf8/0x160 [ 107.545469][ T4873] dump_stack+0x1c/0x5c [ 107.546616][ T4873] should_fail+0x3c0/0x51c [ 107.547849][ T4873] __should_failslab+0xbc/0x10c [ 107.549177][ T4873] should_failslab+0x10/0x28 [ 107.550486][ T4873] slab_pre_alloc_hook+0x64/0xec [ 107.551918][ T4873] kmem_cache_alloc+0x94/0x3e4 [ 107.553287][ T4873] btrfs_alloc_path+0x5c/0x68 [ 107.554579][ T4873] btrfs_insert_inode_ref+0xe8/0x9e0 [ 107.556012][ T4873] btrfs_add_link+0x22c/0xa68 [ 107.557351][ T4873] btrfs_link+0x3ac/0x6a4 [ 107.558560][ T4873] vfs_link+0x5b4/0x744 [ 107.559696][ T4873] do_linkat+0x3dc/0x6f8 [ 107.560882][ T4873] __arm64_sys_linkat+0xe4/0x100 [ 107.562236][ T4873] invoke_syscall+0x98/0x2b8 [ 107.563620][ T4873] el0_svc_common+0x138/0x258 [ 107.564945][ T4873] do_el0_svc+0x58/0x14c [ 107.566243][ T4873] el0_svc+0x78/0x1e0 [ 107.567408][ T4873] el0t_64_sync_handler+0xcc/0xe4 [ 107.568841][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 107.968702][ T21] Bluetooth: hci0: command 0x040f tx timeout [ 107.978256][ T4895] loop0: detected capacity change from 0 to 32768 [ 107.984422][ T4895] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4895) [ 107.990676][ T4895] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 107.993128][ T4895] BTRFS info (device loop0): metadata ratio 1025 [ 107.994886][ T4895] BTRFS info (device loop0): doing ref verification [ 107.998528][ T4895] BTRFS info (device loop0): force clearing of disk cache [ 108.000578][ T4895] BTRFS info (device loop0): turning off barriers [ 108.002234][ T4895] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.004488][ T4895] BTRFS info (device loop0): enabling ssd optimizations [ 108.006331][ T4895] BTRFS info (device loop0): using spread ssd allocation scheme [ 108.018140][ T4895] BTRFS info (device loop0): not using ssd optimizations [ 108.020296][ T4895] BTRFS info (device loop0): not using spread ssd allocation scheme [ 108.022471][ T4895] BTRFS info (device loop0): using free space tree [ 108.024306][ T4895] BTRFS info (device loop0): has skinny extents [ 108.052247][ T4895] BTRFS info (device loop0): clearing free space tree [ 108.054210][ T4895] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.057084][ T4895] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.069706][ T4895] BTRFS info (device loop0): creating free space tree [ 108.072248][ T4895] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.074806][ T4895] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.087745][ T4895] FAULT_INJECTION: forcing a failure. [ 108.087745][ T4895] name failslab, interval 1, probability 0, space 0, times 0 [ 108.092001][ T4895] CPU: 1 PID: 4895 Comm: syz.0.17 Not tainted 5.15.184-syzkaller #0 [ 108.094075][ T4895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.096693][ T4895] Call trace: [ 108.097542][ T4895] dump_backtrace+0x0/0x43c [ 108.098732][ T4895] show_stack+0x2c/0x3c [ 108.099836][ T4895] __dump_stack+0x30/0x40 [ 108.101052][ T4895] dump_stack_lvl+0xf8/0x160 [ 108.102354][ T4895] dump_stack+0x1c/0x5c [ 108.103481][ T4895] should_fail+0x3c0/0x51c [ 108.104754][ T4895] __should_failslab+0xbc/0x10c [ 108.106123][ T4895] should_failslab+0x10/0x28 [ 108.107396][ T4895] slab_pre_alloc_hook+0x64/0xec [ 108.108762][ T4895] kmem_cache_alloc+0x94/0x3e4 [ 108.110022][ T4895] btrfs_alloc_path+0x5c/0x68 [ 108.111269][ T4895] btrfs_insert_dir_item+0x16c/0x3b8 [ 108.112685][ T4895] btrfs_add_link+0x294/0xa68 [ 108.113905][ T4895] btrfs_link+0x3ac/0x6a4 [ 108.115068][ T4895] vfs_link+0x5b4/0x744 [ 108.116166][ T4895] do_linkat+0x3dc/0x6f8 [ 108.117308][ T4895] __arm64_sys_linkat+0xe4/0x100 [ 108.118626][ T4895] invoke_syscall+0x98/0x2b8 [ 108.119931][ T4895] el0_svc_common+0x138/0x258 [ 108.121246][ T4895] do_el0_svc+0x58/0x14c [ 108.122469][ T4895] el0_svc+0x78/0x1e0 [ 108.123580][ T4895] el0t_64_sync_handler+0xcc/0xe4 [ 108.125031][ T4895] el0t_64_sync+0x1a0/0x1a4 [ 108.127238][ T4895] ------------[ cut here ]------------ [ 108.131614][ T4895] WARNING: CPU: 1 PID: 4895 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 108.134135][ T4895] Modules linked in: [ 108.135156][ T4895] CPU: 1 PID: 4895 Comm: syz.0.17 Not tainted 5.15.184-syzkaller #0 [ 108.137531][ T4895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.140434][ T4895] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.142607][ T4895] pc : btrfs_add_link+0x6e8/0xa68 [ 108.143994][ T4895] lr : btrfs_add_link+0x6e8/0xa68 [ 108.145381][ T4895] sp : ffff80001f6079e0 [ 108.146487][ T4895] x29: ffff80001f607ae0 x28: ffff0000dcf124d0 x27: 0000000000000107 [ 108.148760][ T4895] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 108.150962][ T4895] x23: 0000000000000005 x22: 1fffe0001b9e24a5 x21: ffff700003ec0f44 [ 108.153217][ T4895] x20: 00000000fffffff4 x19: ffff0000dcf12528 x18: 0000000000000001 [ 108.155559][ T4895] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 108.157878][ T4895] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.160094][ T4895] x11: 0000000000000000 x10: 0000000000000000 x9 : 16628ac452346600 [ 108.162349][ T4895] x8 : 16628ac452346600 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.164608][ T4895] x5 : ffff80001f6072d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 108.166926][ T4895] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.169181][ T4895] Call trace: [ 108.170193][ T4895] btrfs_add_link+0x6e8/0xa68 [ 108.171509][ T4895] btrfs_link+0x3ac/0x6a4 [ 108.172709][ T4895] vfs_link+0x5b4/0x744 [ 108.173932][ T4895] do_linkat+0x3dc/0x6f8 [ 108.175151][ T4895] __arm64_sys_linkat+0xe4/0x100 [ 108.176579][ T4895] invoke_syscall+0x98/0x2b8 [ 108.177830][ T4895] el0_svc_common+0x138/0x258 [ 108.179138][ T4895] do_el0_svc+0x58/0x14c [ 108.180490][ T4895] el0_svc+0x78/0x1e0 [ 108.181748][ T4895] el0t_64_sync_handler+0xcc/0xe4 [ 108.183166][ T4895] el0t_64_sync+0x1a0/0x1a4 [ 108.184377][ T4895] irq event stamp: 81400 [ 108.185597][ T4895] hardirqs last enabled at (81399): [] __up_console_sem+0xb4/0x100 [ 108.188338][ T4895] hardirqs last disabled at (81400): [] el1_dbg+0x24/0x80 [ 108.190784][ T4895] softirqs last enabled at (81388): [] handle_softirqs+0xa4c/0xbf0 [ 108.193499][ T4895] softirqs last disabled at (81345): [] __irq_exit_rcu+0x240/0x440 [ 108.196180][ T4895] ---[ end trace 1ae2b8b8b3c07179 ]--- [ 108.200198][ T4895] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 108.202825][ T4895] BTRFS info (device loop0): forced readonly [ 108.558078][ T4917] loop0: detected capacity change from 0 to 32768 [ 108.614365][ T4917] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4917) [ 108.626230][ T4917] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.630558][ T4917] BTRFS info (device loop0): metadata ratio 1025 [ 108.632293][ T4917] BTRFS info (device loop0): doing ref verification [ 108.634066][ T4917] BTRFS info (device loop0): force clearing of disk cache [ 108.636122][ T4917] BTRFS info (device loop0): turning off barriers [ 108.637894][ T4917] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.640628][ T4917] BTRFS info (device loop0): enabling ssd optimizations [ 108.642493][ T4917] BTRFS info (device loop0): using spread ssd allocation scheme [ 108.644522][ T4917] BTRFS info (device loop0): not using ssd optimizations [ 108.646597][ T4917] BTRFS info (device loop0): not using spread ssd allocation scheme [ 108.658405][ T4917] BTRFS info (device loop0): using free space tree [ 108.660314][ T4917] BTRFS info (device loop0): has skinny extents [ 108.681754][ T4917] BTRFS info (device loop0): clearing free space tree [ 108.683662][ T4917] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.686272][ T4917] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.702534][ T4917] BTRFS info (device loop0): creating free space tree [ 108.706063][ T4917] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.712511][ T4917] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.725247][ T4917] FAULT_INJECTION: forcing a failure. [ 108.725247][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 108.729083][ T4917] CPU: 1 PID: 4917 Comm: syz.0.18 Tainted: G W 5.15.184-syzkaller #0 [ 108.731625][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.734421][ T4917] Call trace: [ 108.735381][ T4917] dump_backtrace+0x0/0x43c [ 108.736670][ T4917] show_stack+0x2c/0x3c [ 108.737874][ T4917] __dump_stack+0x30/0x40 [ 108.739088][ T4917] dump_stack_lvl+0xf8/0x160 [ 108.740348][ T4917] dump_stack+0x1c/0x5c [ 108.741492][ T4917] should_fail+0x3c0/0x51c [ 108.742682][ T4917] __should_failslab+0xbc/0x10c [ 108.744040][ T4917] should_failslab+0x10/0x28 [ 108.745381][ T4917] slab_pre_alloc_hook+0x64/0xec [ 108.746790][ T4917] kmem_cache_alloc+0x94/0x3e4 [ 108.748114][ T4917] btrfs_alloc_path+0x5c/0x68 [ 108.749401][ T4917] btrfs_insert_dir_item+0x16c/0x3b8 [ 108.750881][ T4917] btrfs_add_link+0x294/0xa68 [ 108.752141][ T4917] btrfs_link+0x3ac/0x6a4 [ 108.753320][ T4917] vfs_link+0x5b4/0x744 [ 108.754448][ T4917] do_linkat+0x3dc/0x6f8 [ 108.755605][ T4917] __arm64_sys_linkat+0xe4/0x100 [ 108.757005][ T4917] invoke_syscall+0x98/0x2b8 [ 108.758353][ T4917] el0_svc_common+0x138/0x258 [ 108.759724][ T4917] do_el0_svc+0x58/0x14c [ 108.760897][ T4917] el0_svc+0x78/0x1e0 [ 108.762015][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 108.763423][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 108.780259][ T9] device hsr_slave_0 left promiscuous mode [ 108.782656][ T4917] ------------[ cut here ]------------ [ 108.784542][ T4917] WARNING: CPU: 1 PID: 4917 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 108.787123][ T4917] Modules linked in: [ 108.788194][ T4917] CPU: 1 PID: 4917 Comm: syz.0.18 Tainted: G W 5.15.184-syzkaller #0 [ 108.790822][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.793746][ T4917] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.795845][ T4917] pc : btrfs_add_link+0x6e8/0xa68 [ 108.797196][ T4917] lr : btrfs_add_link+0x6e8/0xa68 [ 108.798555][ T4917] sp : ffff80001f8e79e0 [ 108.799665][ T4917] x29: ffff80001f8e7ae0 x28: ffff0000dcf12630 x27: 0000000000000107 [ 108.801863][ T4917] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 108.804035][ T4917] x23: 0000000000000005 x22: 1fffe0001b9e24d1 x21: ffff700003f1cf44 [ 108.806180][ T4917] x20: 00000000fffffff4 x19: ffff0000dcf12688 x18: 0000000000000001 [ 108.808418][ T4917] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 108.810614][ T4917] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.812932][ T4917] x11: 0000000000000000 x10: 0000000000000000 x9 : 7a522f1faeb15f00 [ 108.815172][ T4917] x8 : 7a522f1faeb15f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.817468][ T4917] x5 : ffff80001f8e72d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 108.819690][ T4917] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.821932][ T4917] Call trace: [ 108.822864][ T4917] btrfs_add_link+0x6e8/0xa68 [ 108.824170][ T4917] btrfs_link+0x3ac/0x6a4 [ 108.825322][ T4917] vfs_link+0x5b4/0x744 [ 108.826520][ T4917] do_linkat+0x3dc/0x6f8 [ 108.827823][ T4917] __arm64_sys_linkat+0xe4/0x100 [ 108.829175][ T4917] invoke_syscall+0x98/0x2b8 [ 108.830560][ T4917] el0_svc_common+0x138/0x258 [ 108.831910][ T4917] do_el0_svc+0x58/0x14c [ 108.833108][ T4917] el0_svc+0x78/0x1e0 [ 108.834240][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 108.835638][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 108.836879][ T4917] irq event stamp: 82922 [ 108.838060][ T4917] hardirqs last enabled at (82921): [] __up_console_sem+0xb4/0x100 [ 108.840724][ T4917] hardirqs last disabled at (82922): [] el1_dbg+0x24/0x80 [ 108.843142][ T4917] softirqs last enabled at (82898): [] handle_softirqs+0xa4c/0xbf0 [ 108.845776][ T4917] softirqs last disabled at (82781): [] __irq_exit_rcu+0x240/0x440 [ 108.848381][ T4917] ---[ end trace 1ae2b8b8b3c0717a ]--- [ 108.853254][ T4917] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 108.855947][ T4917] BTRFS info (device loop0): forced readonly [ 108.880479][ T9] device hsr_slave_1 left promiscuous mode [ 108.948529][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 108.950616][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 108.953796][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 108.955881][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 108.958786][ T9] device bridge_slave_1 left promiscuous mode [ 108.960528][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.011762][ T9] device bridge_slave_0 left promiscuous mode [ 109.013783][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.138328][ T9] device veth1_macvtap left promiscuous mode [ 109.140200][ T9] device veth0_macvtap left promiscuous mode [ 109.142090][ T9] device veth1_vlan left promiscuous mode [ 109.143750][ T9] device veth0_vlan left promiscuous mode [ 109.216170][ T4939] loop0: detected capacity change from 0 to 32768 [ 109.248126][ T4939] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4939) [ 109.303789][ T4939] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.306148][ T4939] BTRFS info (device loop0): metadata ratio 1025 [ 109.308480][ T4939] BTRFS info (device loop0): doing ref verification [ 109.310223][ T4939] BTRFS info (device loop0): force clearing of disk cache [ 109.312128][ T4939] BTRFS info (device loop0): turning off barriers [ 109.313887][ T4939] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.316022][ T4939] BTRFS info (device loop0): enabling ssd optimizations [ 109.317892][ T4939] BTRFS info (device loop0): using spread ssd allocation scheme [ 109.320765][ T4939] BTRFS info (device loop0): not using ssd optimizations [ 109.322654][ T4939] BTRFS info (device loop0): not using spread ssd allocation scheme [ 109.325542][ T4939] BTRFS info (device loop0): using free space tree [ 109.327302][ T4939] BTRFS info (device loop0): has skinny extents [ 109.403004][ T4939] BTRFS info (device loop0): clearing free space tree [ 109.404902][ T4939] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.407454][ T4939] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.414775][ T4939] BTRFS info (device loop0): creating free space tree [ 109.417630][ T4939] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.420816][ T4939] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.430020][ T4939] FAULT_INJECTION: forcing a failure. [ 109.430020][ T4939] name failslab, interval 1, probability 0, space 0, times 0 [ 109.433554][ T4939] CPU: 0 PID: 4939 Comm: syz.0.19 Tainted: G W 5.15.184-syzkaller #0 [ 109.436086][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.438830][ T4939] Call trace: [ 109.439751][ T4939] dump_backtrace+0x0/0x43c [ 109.441012][ T4939] show_stack+0x2c/0x3c [ 109.442147][ T4939] __dump_stack+0x30/0x40 [ 109.443309][ T4939] dump_stack_lvl+0xf8/0x160 [ 109.444590][ T4939] dump_stack+0x1c/0x5c [ 109.445722][ T4939] should_fail+0x3c0/0x51c [ 109.446984][ T4939] __should_failslab+0xbc/0x10c [ 109.448303][ T4939] should_failslab+0x10/0x28 [ 109.449599][ T4939] slab_pre_alloc_hook+0x64/0xec [ 109.451009][ T4939] kmem_cache_alloc+0x94/0x3e4 [ 109.452324][ T4939] btrfs_alloc_path+0x5c/0x68 [ 109.453682][ T4939] btrfs_insert_dir_item+0x16c/0x3b8 [ 109.455171][ T4939] btrfs_add_link+0x294/0xa68 [ 109.456414][ T4939] btrfs_link+0x3ac/0x6a4 [ 109.457593][ T4939] vfs_link+0x5b4/0x744 [ 109.458713][ T4939] do_linkat+0x3dc/0x6f8 [ 109.459912][ T4939] __arm64_sys_linkat+0xe4/0x100 [ 109.461290][ T4939] invoke_syscall+0x98/0x2b8 [ 109.462586][ T4939] el0_svc_common+0x138/0x258 [ 109.463845][ T4939] do_el0_svc+0x58/0x14c [ 109.465020][ T4939] el0_svc+0x78/0x1e0 [ 109.466136][ T4939] el0t_64_sync_handler+0xcc/0xe4 [ 109.467542][ T4939] el0t_64_sync+0x1a0/0x1a4 [ 109.473991][ T4939] ------------[ cut here ]------------ [ 109.475847][ T4939] WARNING: CPU: 1 PID: 4939 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 109.478308][ T4939] Modules linked in: [ 109.479398][ T4939] CPU: 1 PID: 4939 Comm: syz.0.19 Tainted: G W 5.15.184-syzkaller #0 [ 109.482010][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.484842][ T4939] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.487054][ T4939] pc : btrfs_add_link+0x6e8/0xa68 [ 109.488436][ T4939] lr : btrfs_add_link+0x6e8/0xa68 [ 109.489789][ T4939] sp : ffff80001fe579e0 [ 109.490905][ T4939] x29: ffff80001fe57ae0 x28: ffff0000de5334d0 x27: 0000000000000107 [ 109.493094][ T4939] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 109.495240][ T4939] x23: 0000000000000005 x22: 1fffe0001bca66a5 x21: ffff700003fcaf44 [ 109.497531][ T4939] x20: 00000000fffffff4 x19: ffff0000de533528 x18: 0000000000000001 [ 109.499820][ T4939] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 109.501976][ T4939] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.504324][ T4939] x11: 0000000000000000 x10: 0000000000000000 x9 : f285302659850a00 [ 109.506622][ T4939] x8 : f285302659850a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.508968][ T4939] x5 : ffff80001fe572d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 109.511154][ T4939] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.513374][ T4939] Call trace: [ 109.514255][ T4939] btrfs_add_link+0x6e8/0xa68 [ 109.515553][ T4939] btrfs_link+0x3ac/0x6a4 [ 109.516771][ T4939] vfs_link+0x5b4/0x744 [ 109.517936][ T4939] do_linkat+0x3dc/0x6f8 [ 109.519118][ T4939] __arm64_sys_linkat+0xe4/0x100 [ 109.520459][ T4939] invoke_syscall+0x98/0x2b8 [ 109.521754][ T4939] el0_svc_common+0x138/0x258 [ 109.523076][ T4939] do_el0_svc+0x58/0x14c [ 109.524280][ T4939] el0_svc+0x78/0x1e0 [ 109.525349][ T4939] el0t_64_sync_handler+0xcc/0xe4 [ 109.526750][ T4939] el0t_64_sync+0x1a0/0x1a4 [ 109.527991][ T4939] irq event stamp: 81624 [ 109.529195][ T4939] hardirqs last enabled at (81623): [] __up_console_sem+0xb4/0x100 [ 109.531863][ T4939] hardirqs last disabled at (81624): [] el1_dbg+0x24/0x80 [ 109.534337][ T4939] softirqs last enabled at (81602): [] handle_softirqs+0xa4c/0xbf0 [ 109.536944][ T4939] softirqs last disabled at (81555): [] __irq_exit_rcu+0x240/0x440 [ 109.539608][ T4939] ---[ end trace 1ae2b8b8b3c0717b ]--- [ 109.542468][ T9] team0 (unregistering): Port device team_slave_1 removed [ 109.548733][ T4939] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 109.551223][ T4939] BTRFS info (device loop0): forced readonly [ 109.557655][ T9] team0 (unregistering): Port device team_slave_0 removed [ 109.576111][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.652293][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.871913][ T4961] loop0: detected capacity change from 0 to 32768 [ 109.888317][ T4961] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (4961) [ 109.891889][ T9] bond0 (unregistering): Released all slaves [ 109.901588][ T4961] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.903926][ T4961] BTRFS info (device loop0): metadata ratio 1025 [ 109.905769][ T4961] BTRFS info (device loop0): doing ref verification [ 109.907517][ T4961] BTRFS info (device loop0): force clearing of disk cache [ 109.914566][ T4961] BTRFS info (device loop0): turning off barriers [ 109.916378][ T4961] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.919578][ T4961] BTRFS info (device loop0): enabling ssd optimizations [ 109.921560][ T4961] BTRFS info (device loop0): using spread ssd allocation scheme [ 109.923696][ T4961] BTRFS info (device loop0): not using ssd optimizations [ 109.925583][ T4961] BTRFS info (device loop0): not using spread ssd allocation scheme [ 109.927726][ T4961] BTRFS info (device loop0): using free space tree [ 109.930831][ T4961] BTRFS info (device loop0): has skinny extents [ 109.950602][ T4961] BTRFS info (device loop0): clearing free space tree [ 109.952739][ T4961] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.955345][ T4961] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.961348][ T4961] BTRFS info (device loop0): creating free space tree [ 109.964092][ T4961] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.966662][ T4961] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.975744][ T4961] FAULT_INJECTION: forcing a failure. [ 109.975744][ T4961] name failslab, interval 1, probability 0, space 0, times 0 [ 109.979429][ T4961] CPU: 1 PID: 4961 Comm: syz.0.20 Tainted: G W 5.15.184-syzkaller #0 [ 109.981983][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.984818][ T4961] Call trace: [ 109.985698][ T4961] dump_backtrace+0x0/0x43c [ 109.986983][ T4961] show_stack+0x2c/0x3c [ 109.988133][ T4961] __dump_stack+0x30/0x40 [ 109.989424][ T4961] dump_stack_lvl+0xf8/0x160 [ 109.990730][ T4961] dump_stack+0x1c/0x5c [ 109.991857][ T4961] should_fail+0x3c0/0x51c [ 109.993132][ T4961] __should_failslab+0xbc/0x10c [ 109.994558][ T4961] should_failslab+0x10/0x28 [ 109.995850][ T4961] slab_pre_alloc_hook+0x64/0xec [ 109.997236][ T4961] kmem_cache_alloc+0x94/0x3e4 [ 109.998571][ T4961] btrfs_alloc_path+0x5c/0x68 [ 109.999901][ T4961] btrfs_insert_dir_item+0x16c/0x3b8 [ 110.001363][ T4961] btrfs_add_link+0x294/0xa68 [ 110.002629][ T4961] btrfs_link+0x3ac/0x6a4 [ 110.003794][ T4961] vfs_link+0x5b4/0x744 [ 110.004929][ T4961] do_linkat+0x3dc/0x6f8 [ 110.006079][ T4961] __arm64_sys_linkat+0xe4/0x100 [ 110.007477][ T4961] invoke_syscall+0x98/0x2b8 [ 110.008840][ T4961] el0_svc_common+0x138/0x258 [ 110.010125][ T4961] do_el0_svc+0x58/0x14c [ 110.011380][ T4961] el0_svc+0x78/0x1e0 [ 110.012521][ T4961] el0t_64_sync_handler+0xcc/0xe4 [ 110.014193][ T4961] el0t_64_sync+0x1a0/0x1a4 [ 110.015786][ T4961] ------------[ cut here ]------------ [ 110.017585][ T4961] WARNING: CPU: 1 PID: 4961 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 110.020206][ T4961] Modules linked in: [ 110.021385][ T4961] CPU: 1 PID: 4961 Comm: syz.0.20 Tainted: G W 5.15.184-syzkaller #0 [ 110.023905][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.026717][ T4961] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.028895][ T4961] pc : btrfs_add_link+0x6e8/0xa68 [ 110.030279][ T4961] lr : btrfs_add_link+0x6e8/0xa68 [ 110.031703][ T4961] sp : ffff80001f8e79e0 [ 110.032859][ T4961] x29: ffff80001f8e7ae0 x28: ffff0000dcf128f0 x27: 0000000000000107 [ 110.035132][ T4961] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 110.037423][ T4961] x23: 0000000000000005 x22: 1fffe0001b9e2529 x21: ffff700003f1cf44 [ 110.039649][ T4961] x20: 00000000fffffff4 x19: ffff0000dcf12948 x18: 0000000000000001 [ 110.041878][ T4961] x17: 0000000000000000 x16: ffff8000083007ec x15: 00000000ffffffff [ 110.044100][ T4961] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.046312][ T4961] x11: 0000000000000000 x10: 0000000000000000 x9 : c5a3b2a8fb9e6600 [ 110.048568][ T4961] x8 : c5a3b2a8fb9e6600 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.050867][ T4961] x5 : ffff80001f8e72d8 x4 : ffff80001422f280 x3 : ffff8000083008fc [ 110.053104][ T4961] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.055396][ T4961] Call trace: [ 110.056286][ T4961] btrfs_add_link+0x6e8/0xa68 [ 110.057632][ T4961] btrfs_link+0x3ac/0x6a4 [ 110.058886][ T4961] vfs_link+0x5b4/0x744 [ 110.060051][ T4961] do_linkat+0x3dc/0x6f8 [ 110.061241][ T4961] __arm64_sys_linkat+0xe4/0x100 [ 110.062762][ T4961] invoke_syscall+0x98/0x2b8 [ 110.064099][ T4961] el0_svc_common+0x138/0x258 [ 110.065394][ T4961] do_el0_svc+0x58/0x14c [ 110.066530][ T4961] el0_svc+0x78/0x1e0 [ 110.067742][ T4961] el0t_64_sync_handler+0xcc/0xe4 [ 110.069172][ T4961] el0t_64_sync+0x1a0/0x1a4 [ 110.070434][ T4961] irq event stamp: 82822 [ 110.071613][ T4961] hardirqs last enabled at (82821): [] __up_console_sem+0xb4/0x100 [ 110.074282][ T4961] hardirqs last disabled at (82822): [] el1_dbg+0x24/0x80 [ 110.076823][ T4961] softirqs last enabled at (82800): [] handle_softirqs+0xa4c/0xbf0 [ 110.079534][ T4961] softirqs last disabled at (82779): [] __irq_exit_rcu+0x240/0x440 [ 110.082163][ T4961] ---[ end trace 1ae2b8b8b3c0717c ]--- [ 110.084357][ T25] Bluetooth: hci0: command 0x0419 tx timeout [ 110.086299][ T4961] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 110.089139][ T4961] BTRFS info (device loop0): forced readonly [ 110.365900][ T4984] loop0: detected capacity change from 0 to 32768 [ 110.420457][ T4984] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (4984) [ 110.436517][ T4984] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.439224][ T4984] BTRFS info (device loop0): metadata ratio 1025 [ 110.441136][ T4984] BTRFS info (device loop0): doing ref verification [ 110.442946][ T4984] BTRFS info (device loop0): force clearing of disk cache [ 110.444913][ T4984] BTRFS info (device loop0): turning off barriers [ 110.446949][ T4984] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.486603][ T4984] FAULT_INJECTION: forcing a failure. [ 110.486603][ T4984] name failslab, interval 1, probability 0, space 0, times 0 [ 110.490271][ T4984] CPU: 1 PID: 4984 Comm: syz.0.21 Tainted: G W 5.15.184-syzkaller #0 [ 110.492853][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.495597][ T4984] Call trace: [ 110.496462][ T4984] dump_backtrace+0x0/0x43c [ 110.497706][ T4984] show_stack+0x2c/0x3c [ 110.498889][ T4984] __dump_stack+0x30/0x40 [ 110.500080][ T4984] dump_stack_lvl+0xf8/0x160 [ 110.501352][ T4984] dump_stack+0x1c/0x5c [ 110.502493][ T4984] should_fail+0x3c0/0x51c [ 110.503706][ T4984] __should_failslab+0xbc/0x10c [ 110.505055][ T4984] should_failslab+0x10/0x28 [ 110.506324][ T4984] slab_pre_alloc_hook+0x64/0xec [ 110.507689][ T4984] kmem_cache_alloc+0x94/0x3e4 [ 110.508992][ T4984] btrfs_alloc_path+0x5c/0x68 [ 110.510285][ T4984] btrfs_insert_inode_ref+0xe8/0x9e0 [ 110.511766][ T4984] btrfs_add_link+0x22c/0xa68 [ 110.513067][ T4984] btrfs_link+0x3ac/0x6a4 [ 110.514275][ T4984] vfs_link+0x5b4/0x744 [ 110.515406][ T4984] do_linkat+0x3dc/0x6f8 [ 110.516572][ T4984] __arm64_sys_linkat+0xe4/0x100 [ 110.517949][ T4984] invoke_syscall+0x98/0x2b8 [ 110.519238][ T4984] el0_svc_common+0x138/0x258 [ 110.520614][ T4984] do_el0_svc+0x58/0x14c [ 110.521809][ T4984] el0_svc+0x78/0x1e0 [ 110.522915][ T4984] el0t_64_sync_handler+0xcc/0xe4 [ 110.524393][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 110.826880][ T5006] loop0: detected capacity change from 0 to 32768 [ 110.861290][ T5006] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5006) [ 110.985638][ T5006] FAULT_INJECTION: forcing a failure. [ 110.985638][ T5006] name failslab, interval 1, probability 0, space 0, times 0 [ 110.989886][ T5006] CPU: 1 PID: 5006 Comm: syz.0.22 Tainted: G W 5.15.184-syzkaller #0 [ 110.992468][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.995113][ T5006] Call trace: [ 110.995984][ T5006] dump_backtrace+0x0/0x43c [ 110.997190][ T5006] show_stack+0x2c/0x3c [ 110.998294][ T5006] __dump_stack+0x30/0x40 [ 110.999468][ T5006] dump_stack_lvl+0xf8/0x160 [ 111.000770][ T5006] dump_stack+0x1c/0x5c [ 111.001899][ T5006] should_fail+0x3c0/0x51c [ 111.003110][ T5006] __should_failslab+0xbc/0x10c [ 111.004514][ T5006] should_failslab+0x10/0x28 [ 111.005800][ T5006] slab_pre_alloc_hook+0x64/0xec [ 111.007190][ T5006] kmem_cache_alloc+0x94/0x3e4 [ 111.008567][ T5006] btrfs_alloc_path+0x5c/0x68 [ 111.009856][ T5006] btrfs_insert_inode_ref+0xe8/0x9e0 [ 111.011297][ T5006] btrfs_add_link+0x22c/0xa68 [ 111.012587][ T5006] btrfs_link+0x3ac/0x6a4 [ 111.013815][ T5006] vfs_link+0x5b4/0x744 [ 111.015093][ T5006] do_linkat+0x3dc/0x6f8 [ 111.016290][ T5006] __arm64_sys_linkat+0xe4/0x100 [ 111.017732][ T5006] invoke_syscall+0x98/0x2b8 [ 111.019005][ T5006] el0_svc_common+0x138/0x258 [ 111.020285][ T5006] do_el0_svc+0x58/0x14c [ 111.021463][ T5006] el0_svc+0x78/0x1e0 [ 111.022561][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 111.024070][ T5006] el0t_64_sync+0x1a0/0x1a4 [ 111.143077][ T4487] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4487) [ 111.371032][ T5027] loop0: detected capacity change from 0 to 32768 [ 111.529085][ T5027] FAULT_INJECTION: forcing a failure. [ 111.529085][ T5027] name failslab, interval 1, probability 0, space 0, times 0 [ 111.532660][ T5027] CPU: 1 PID: 5027 Comm: syz.0.23 Tainted: G W 5.15.184-syzkaller #0 [ 111.535157][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.537928][ T5027] Call trace: [ 111.538812][ T5027] dump_backtrace+0x0/0x43c [ 111.540033][ T5027] show_stack+0x2c/0x3c [ 111.541200][ T5027] __dump_stack+0x30/0x40 [ 111.542442][ T5027] dump_stack_lvl+0xf8/0x160 [ 111.543683][ T5027] dump_stack+0x1c/0x5c [ 111.544795][ T5027] should_fail+0x3c0/0x51c [ 111.545990][ T5027] __should_failslab+0xbc/0x10c [ 111.547316][ T5027] should_failslab+0x10/0x28 [ 111.548578][ T5027] slab_pre_alloc_hook+0x64/0xec [ 111.549955][ T5027] kmem_cache_alloc+0x94/0x3e4 [ 111.551233][ T5027] btrfs_alloc_path+0x5c/0x68 [ 111.552506][ T5027] btrfs_insert_inode_ref+0xe8/0x9e0 [ 111.553919][ T5027] btrfs_add_link+0x22c/0xa68 [ 111.555195][ T5027] btrfs_link+0x3ac/0x6a4 [ 111.556384][ T5027] vfs_link+0x5b4/0x744 [ 111.557497][ T5027] do_linkat+0x3dc/0x6f8 [ 111.558666][ T5027] __arm64_sys_linkat+0xe4/0x100 [ 111.560016][ T5027] invoke_syscall+0x98/0x2b8 [ 111.561340][ T5027] el0_svc_common+0x138/0x258 [ 111.562639][ T5027] do_el0_svc+0x58/0x14c [ 111.563785][ T5027] el0_svc+0x78/0x1e0 [ 111.564925][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 111.566374][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 111.705229][ T4487] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4487) [ 111.930552][ T5050] loop0: detected capacity change from 0 to 32768 [ 112.121768][ T5050] FAULT_INJECTION: forcing a failure. [ 112.121768][ T5050] name failslab, interval 1, probability 0, space 0, times 0 [ 112.125433][ T5050] CPU: 1 PID: 5050 Comm: syz.0.24 Tainted: G W 5.15.184-syzkaller #0 [ 112.127897][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.130601][ T5050] Call trace: [ 112.131523][ T5050] dump_backtrace+0x0/0x43c [ 112.132754][ T5050] show_stack+0x2c/0x3c [ 112.133871][ T5050] __dump_stack+0x30/0x40 [ 112.135032][ T5050] dump_stack_lvl+0xf8/0x160 [ 112.136254][ T5050] dump_stack+0x1c/0x5c [ 112.137378][ T5050] should_fail+0x3c0/0x51c [ 112.138609][ T5050] __should_failslab+0xbc/0x10c [ 112.139965][ T5050] should_failslab+0x10/0x28 [ 112.141206][ T5050] slab_pre_alloc_hook+0x64/0xec [ 112.142533][ T5050] kmem_cache_alloc+0x94/0x3e4 [ 112.143791][ T5050] btrfs_alloc_path+0x5c/0x68 [ 112.145031][ T5050] btrfs_insert_dir_item+0x16c/0x3b8 [ 112.146518][ T5050] btrfs_add_link+0x294/0xa68 [ 112.147778][ T5050] btrfs_link+0x3ac/0x6a4 [ 112.148934][ T5050] vfs_link+0x5b4/0x744 [ 112.150048][ T5050] do_linkat+0x3dc/0x6f8 [ 112.151170][ T5050] __arm64_sys_linkat+0xe4/0x100 [ 112.152488][ T5050] invoke_syscall+0x98/0x2b8 [ 112.153983][ T5050] el0_svc_common+0x138/0x258 [ 112.155301][ T5050] do_el0_svc+0x58/0x14c [ 112.156464][ T5050] el0_svc+0x78/0x1e0 [ 112.157578][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 112.159017][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 112.191503][ T5050] ------------[ cut here ]------------ [ 112.193421][ T5050] WARNING: CPU: 1 PID: 5050 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 112.195904][ T5050] Modules linked in: [ 112.196966][ T5050] CPU: 1 PID: 5050 Comm: syz.0.24 Tainted: G W 5.15.184-syzkaller #0 [ 112.199565][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.202275][ T5050] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.204390][ T5050] pc : btrfs_add_link+0x6e8/0xa68 [ 112.205723][ T5050] lr : btrfs_add_link+0x6e8/0xa68 [ 112.207060][ T5050] sp : ffff8000204b79e0 [ 112.208178][ T5050] x29: ffff8000204b7ae0 x28: ffff0000dcf086e0 x27: 0000000000000107 [ 112.210380][ T5050] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 112.212559][ T5050] x23: 0000000000000005 x22: 1fffe0001b9e10e7 x21: ffff700004096f44 [ 112.214807][ T5050] x20: 00000000fffffff4 x19: ffff0000dcf08738 x18: 0000000000000001 [ 112.216990][ T5050] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 112.219151][ T5050] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.221406][ T5050] x11: 0000000000000000 x10: 0000000000000000 x9 : 716be50d75b5a200 [ 112.223620][ T5050] x8 : 716be50d75b5a200 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.225833][ T5050] x5 : ffff8000204b72d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 112.227974][ T5050] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.230196][ T5050] Call trace: [ 112.231090][ T5050] btrfs_add_link+0x6e8/0xa68 [ 112.232426][ T5050] btrfs_link+0x3ac/0x6a4 [ 112.233622][ T5050] vfs_link+0x5b4/0x744 [ 112.234748][ T5050] do_linkat+0x3dc/0x6f8 [ 112.235841][ T5050] __arm64_sys_linkat+0xe4/0x100 [ 112.237196][ T5050] invoke_syscall+0x98/0x2b8 [ 112.238424][ T5050] el0_svc_common+0x138/0x258 [ 112.239698][ T5050] do_el0_svc+0x58/0x14c [ 112.240901][ T5050] el0_svc+0x78/0x1e0 [ 112.241994][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 112.243415][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 112.244668][ T5050] irq event stamp: 82082 [ 112.245777][ T5050] hardirqs last enabled at (82081): [] __up_console_sem+0xb4/0x100 [ 112.248474][ T5050] hardirqs last disabled at (82082): [] el1_dbg+0x24/0x80 [ 112.250782][ T5050] softirqs last enabled at (82058): [] handle_softirqs+0xa4c/0xbf0 [ 112.253387][ T5050] softirqs last disabled at (81875): [] __irq_exit_rcu+0x240/0x440 [ 112.255979][ T5050] ---[ end trace 1ae2b8b8b3c0717d ]--- [ 112.262035][ T5050] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory 1970/01/01 00:01:52 executed programs: 11 [ 112.409846][ T4487] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4487) [ 112.605768][ T5073] loop0: detected capacity change from 0 to 32768 [ 112.693304][ T5073] btrfs_printk: 67 callbacks suppressed [ 112.693318][ T5073] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 112.697204][ T5073] BTRFS info (device loop0): metadata ratio 1025 [ 112.700048][ T5073] BTRFS info (device loop0): doing ref verification [ 112.701850][ T5073] BTRFS info (device loop0): force clearing of disk cache [ 112.703775][ T5073] BTRFS info (device loop0): turning off barriers [ 112.705523][ T5073] BTRFS info (device loop0): setting nodatacow, compression disabled [ 112.707681][ T5073] BTRFS info (device loop0): enabling ssd optimizations [ 112.710314][ T5073] BTRFS info (device loop0): using spread ssd allocation scheme [ 112.712464][ T5073] BTRFS info (device loop0): not using ssd optimizations [ 112.714314][ T5073] BTRFS info (device loop0): not using spread ssd allocation scheme [ 112.716445][ T5073] BTRFS info (device loop0): using free space tree [ 112.718767][ T5073] BTRFS info (device loop0): has skinny extents [ 112.739543][ T5073] BTRFS info (device loop0): clearing free space tree [ 112.741506][ T5073] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.744168][ T5073] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.752285][ T5073] BTRFS info (device loop0): creating free space tree [ 112.754743][ T5073] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.757306][ T5073] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.764997][ T5073] FAULT_INJECTION: forcing a failure. [ 112.764997][ T5073] name failslab, interval 1, probability 0, space 0, times 0 [ 112.770409][ T5073] CPU: 1 PID: 5073 Comm: syz.0.25 Tainted: G W 5.15.184-syzkaller #0 [ 112.772989][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.775683][ T5073] Call trace: [ 112.776573][ T5073] dump_backtrace+0x0/0x43c [ 112.777836][ T5073] show_stack+0x2c/0x3c [ 112.778973][ T5073] __dump_stack+0x30/0x40 [ 112.780159][ T5073] dump_stack_lvl+0xf8/0x160 [ 112.781423][ T5073] dump_stack+0x1c/0x5c [ 112.782549][ T5073] should_fail+0x3c0/0x51c [ 112.783785][ T5073] __should_failslab+0xbc/0x10c [ 112.785152][ T5073] should_failslab+0x10/0x28 [ 112.786437][ T5073] slab_pre_alloc_hook+0x64/0xec [ 112.787791][ T5073] kmem_cache_alloc+0x94/0x3e4 [ 112.789188][ T5073] btrfs_alloc_path+0x5c/0x68 [ 112.790475][ T5073] btrfs_insert_inode_ref+0xe8/0x9e0 [ 112.791943][ T5073] btrfs_add_link+0x22c/0xa68 [ 112.793212][ T5073] btrfs_link+0x3ac/0x6a4 [ 112.794400][ T5073] vfs_link+0x5b4/0x744 [ 112.795539][ T5073] do_linkat+0x3dc/0x6f8 [ 112.796736][ T5073] __arm64_sys_linkat+0xe4/0x100 [ 112.798114][ T5073] invoke_syscall+0x98/0x2b8 [ 112.799400][ T5073] el0_svc_common+0x138/0x258 [ 112.800692][ T5073] do_el0_svc+0x58/0x14c [ 112.801900][ T5073] el0_svc+0x78/0x1e0 [ 112.803014][ T5073] el0t_64_sync_handler+0xcc/0xe4 [ 112.804481][ T5073] el0t_64_sync+0x1a0/0x1a4 [ 113.109239][ T5096] loop0: detected capacity change from 0 to 32768 [ 113.119904][ T5096] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5096) [ 113.129540][ T5096] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.131897][ T5096] BTRFS info (device loop0): metadata ratio 1025 [ 113.133599][ T5096] BTRFS info (device loop0): doing ref verification [ 113.135358][ T5096] BTRFS info (device loop0): force clearing of disk cache [ 113.137226][ T5096] BTRFS info (device loop0): turning off barriers [ 113.140188][ T5096] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.142427][ T5096] BTRFS info (device loop0): enabling ssd optimizations [ 113.144311][ T5096] BTRFS info (device loop0): using spread ssd allocation scheme [ 113.146325][ T5096] BTRFS info (device loop0): not using ssd optimizations [ 113.148508][ T5096] BTRFS info (device loop0): not using spread ssd allocation scheme [ 113.150652][ T5096] BTRFS info (device loop0): using free space tree [ 113.152412][ T5096] BTRFS info (device loop0): has skinny extents [ 113.170033][ T5096] BTRFS info (device loop0): clearing free space tree [ 113.172018][ T5096] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.174662][ T5096] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.181951][ T5096] BTRFS info (device loop0): creating free space tree [ 113.184472][ T5096] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.187041][ T5096] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.194686][ T5096] FAULT_INJECTION: forcing a failure. [ 113.194686][ T5096] name failslab, interval 1, probability 0, space 0, times 0 [ 113.198219][ T5096] CPU: 1 PID: 5096 Comm: syz.0.26 Tainted: G W 5.15.184-syzkaller #0 [ 113.200737][ T5096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.203401][ T5096] Call trace: [ 113.204359][ T5096] dump_backtrace+0x0/0x43c [ 113.205561][ T5096] show_stack+0x2c/0x3c [ 113.206739][ T5096] __dump_stack+0x30/0x40 [ 113.207870][ T5096] dump_stack_lvl+0xf8/0x160 [ 113.209144][ T5096] dump_stack+0x1c/0x5c [ 113.210278][ T5096] should_fail+0x3c0/0x51c [ 113.211464][ T5096] __should_failslab+0xbc/0x10c [ 113.212758][ T5096] should_failslab+0x10/0x28 [ 113.214073][ T5096] slab_pre_alloc_hook+0x64/0xec [ 113.215412][ T5096] kmem_cache_alloc+0x94/0x3e4 [ 113.216702][ T5096] btrfs_alloc_path+0x5c/0x68 [ 113.218016][ T5096] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.219510][ T5096] btrfs_add_link+0x294/0xa68 [ 113.220844][ T5096] btrfs_link+0x3ac/0x6a4 [ 113.221992][ T5096] vfs_link+0x5b4/0x744 [ 113.223125][ T5096] do_linkat+0x3dc/0x6f8 [ 113.224269][ T5096] __arm64_sys_linkat+0xe4/0x100 [ 113.225591][ T5096] invoke_syscall+0x98/0x2b8 [ 113.226923][ T5096] el0_svc_common+0x138/0x258 [ 113.228331][ T5096] do_el0_svc+0x58/0x14c [ 113.229473][ T5096] el0_svc+0x78/0x1e0 [ 113.230568][ T5096] el0t_64_sync_handler+0xcc/0xe4 [ 113.231932][ T5096] el0t_64_sync+0x1a0/0x1a4 [ 113.233505][ T5096] ------------[ cut here ]------------ [ 113.235258][ T5096] WARNING: CPU: 1 PID: 5096 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 113.237796][ T5096] Modules linked in: [ 113.238818][ T5096] CPU: 1 PID: 5096 Comm: syz.0.26 Tainted: G W 5.15.184-syzkaller #0 [ 113.241604][ T5096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.244448][ T5096] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.246608][ T5096] pc : btrfs_add_link+0x6e8/0xa68 [ 113.248046][ T5096] lr : btrfs_add_link+0x6e8/0xa68 [ 113.249414][ T5096] sp : ffff8000203779e0 [ 113.250594][ T5096] x29: ffff800020377ae0 x28: ffff0000dcf08dc0 x27: 0000000000000107 [ 113.252925][ T5096] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 113.255137][ T5096] x23: 0000000000000005 x22: 1fffe0001b9e11c3 x21: ffff70000406ef44 [ 113.257437][ T5096] x20: 00000000fffffff4 x19: ffff0000dcf08e18 x18: 0000000000000001 [ 113.259695][ T5096] x17: 0000000000000000 x16: ffff8000083007ec x15: 00000000ffffffff [ 113.262031][ T5096] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.264345][ T5096] x11: 0000000000000000 x10: 0000000000000000 x9 : d4e10e38db2ce000 [ 113.266707][ T5096] x8 : d4e10e38db2ce000 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.269044][ T5096] x5 : ffff8000203772d8 x4 : ffff80001422f280 x3 : ffff8000083008fc [ 113.271374][ T5096] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.273641][ T5096] Call trace: [ 113.274552][ T5096] btrfs_add_link+0x6e8/0xa68 [ 113.275855][ T5096] btrfs_link+0x3ac/0x6a4 [ 113.277083][ T5096] vfs_link+0x5b4/0x744 [ 113.278315][ T5096] do_linkat+0x3dc/0x6f8 [ 113.279564][ T5096] __arm64_sys_linkat+0xe4/0x100 [ 113.280965][ T5096] invoke_syscall+0x98/0x2b8 [ 113.282252][ T5096] el0_svc_common+0x138/0x258 [ 113.283568][ T5096] do_el0_svc+0x58/0x14c [ 113.284718][ T5096] el0_svc+0x78/0x1e0 [ 113.285811][ T5096] el0t_64_sync_handler+0xcc/0xe4 [ 113.287205][ T5096] el0t_64_sync+0x1a0/0x1a4 [ 113.288430][ T5096] irq event stamp: 82336 [ 113.289610][ T5096] hardirqs last enabled at (82335): [] __up_console_sem+0xb4/0x100 [ 113.292374][ T5096] hardirqs last disabled at (82336): [] el1_dbg+0x24/0x80 [ 113.294888][ T5096] softirqs last enabled at (82320): [] handle_softirqs+0xa4c/0xbf0 [ 113.297587][ T5096] softirqs last disabled at (82245): [] __irq_exit_rcu+0x240/0x440 [ 113.300402][ T5096] ---[ end trace 1ae2b8b8b3c0717e ]--- [ 113.302246][ T5096] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 113.304886][ T5096] BTRFS info (device loop0): forced readonly [ 113.573236][ T5118] loop0: detected capacity change from 0 to 32768 [ 113.630233][ T5118] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5118) [ 113.662503][ T5118] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.665031][ T5118] BTRFS info (device loop0): metadata ratio 1025 [ 113.666779][ T5118] BTRFS info (device loop0): doing ref verification [ 113.668656][ T5118] BTRFS info (device loop0): force clearing of disk cache [ 113.670644][ T5118] BTRFS info (device loop0): turning off barriers [ 113.672375][ T5118] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.674499][ T5118] BTRFS info (device loop0): enabling ssd optimizations [ 113.676571][ T5118] BTRFS info (device loop0): using spread ssd allocation scheme [ 113.678716][ T5118] BTRFS info (device loop0): not using ssd optimizations [ 113.680575][ T5118] BTRFS info (device loop0): not using spread ssd allocation scheme [ 113.682665][ T5118] BTRFS info (device loop0): using free space tree [ 113.684364][ T5118] BTRFS info (device loop0): has skinny extents [ 113.700131][ T5118] BTRFS info (device loop0): clearing free space tree [ 113.702088][ T5118] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.704649][ T5118] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.712662][ T5118] BTRFS info (device loop0): creating free space tree [ 113.715193][ T5118] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.717914][ T5118] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.726911][ T5118] FAULT_INJECTION: forcing a failure. [ 113.726911][ T5118] name failslab, interval 1, probability 0, space 0, times 0 [ 113.731782][ T5118] CPU: 0 PID: 5118 Comm: syz.0.27 Tainted: G W 5.15.184-syzkaller #0 [ 113.734464][ T5118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.737214][ T5118] Call trace: [ 113.738105][ T5118] dump_backtrace+0x0/0x43c [ 113.739381][ T5118] show_stack+0x2c/0x3c [ 113.740583][ T5118] __dump_stack+0x30/0x40 [ 113.741784][ T5118] dump_stack_lvl+0xf8/0x160 [ 113.743059][ T5118] dump_stack+0x1c/0x5c [ 113.744254][ T5118] should_fail+0x3c0/0x51c [ 113.745542][ T5118] __should_failslab+0xbc/0x10c [ 113.746948][ T5118] should_failslab+0x10/0x28 [ 113.748298][ T5118] slab_pre_alloc_hook+0x64/0xec [ 113.749674][ T5118] kmem_cache_alloc+0x94/0x3e4 [ 113.750981][ T5118] btrfs_alloc_path+0x5c/0x68 [ 113.752275][ T5118] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.753769][ T5118] btrfs_add_link+0x294/0xa68 [ 113.755072][ T5118] btrfs_link+0x3ac/0x6a4 [ 113.756305][ T5118] vfs_link+0x5b4/0x744 [ 113.757485][ T5118] do_linkat+0x3dc/0x6f8 [ 113.758654][ T5118] __arm64_sys_linkat+0xe4/0x100 [ 113.760041][ T5118] invoke_syscall+0x98/0x2b8 [ 113.761291][ T5118] el0_svc_common+0x138/0x258 [ 113.762585][ T5118] do_el0_svc+0x58/0x14c [ 113.763789][ T5118] el0_svc+0x78/0x1e0 [ 113.764950][ T5118] el0t_64_sync_handler+0xcc/0xe4 [ 113.766296][ T5118] el0t_64_sync+0x1a0/0x1a4 [ 113.769555][ T5118] ------------[ cut here ]------------ [ 113.771281][ T5118] WARNING: CPU: 0 PID: 5118 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 113.773932][ T5118] Modules linked in: [ 113.775052][ T5118] CPU: 0 PID: 5118 Comm: syz.0.27 Tainted: G W 5.15.184-syzkaller #0 [ 113.777739][ T5118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.780641][ T5118] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.782873][ T5118] pc : btrfs_add_link+0x6e8/0xa68 [ 113.784284][ T5118] lr : btrfs_add_link+0x6e8/0xa68 [ 113.785734][ T5118] sp : ffff8000207f79e0 [ 113.786901][ T5118] x29: ffff8000207f7ae0 x28: ffff0000de533790 x27: 0000000000000107 [ 113.789183][ T5118] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 113.791437][ T5118] x23: 0000000000000005 x22: 1fffe0001bca66fd x21: ffff7000040fef44 [ 113.793713][ T5118] x20: 00000000fffffff4 x19: ffff0000de5337e8 x18: 0000000000000001 [ 113.795894][ T5118] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 113.798121][ T5118] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.800420][ T5118] x11: 0000000000000000 x10: 0000000000000000 x9 : be767a012c6fab00 [ 113.802645][ T5118] x8 : be767a012c6fab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.804870][ T5118] x5 : ffff8000207f72d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 113.807069][ T5118] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.809352][ T5118] Call trace: [ 113.810250][ T5118] btrfs_add_link+0x6e8/0xa68 [ 113.811550][ T5118] btrfs_link+0x3ac/0x6a4 [ 113.812811][ T5118] vfs_link+0x5b4/0x744 [ 113.813956][ T5118] do_linkat+0x3dc/0x6f8 [ 113.815146][ T5118] __arm64_sys_linkat+0xe4/0x100 [ 113.816528][ T5118] invoke_syscall+0x98/0x2b8 [ 113.817769][ T5118] el0_svc_common+0x138/0x258 [ 113.819095][ T5118] do_el0_svc+0x58/0x14c [ 113.820285][ T5118] el0_svc+0x78/0x1e0 [ 113.821398][ T5118] el0t_64_sync_handler+0xcc/0xe4 [ 113.822792][ T5118] el0t_64_sync+0x1a0/0x1a4 [ 113.824056][ T5118] irq event stamp: 81878 [ 113.825305][ T5118] hardirqs last enabled at (81877): [] __up_console_sem+0xb4/0x100 [ 113.828005][ T5118] hardirqs last disabled at (81878): [] el1_dbg+0x24/0x80 [ 113.830503][ T5118] softirqs last enabled at (81858): [] handle_softirqs+0xa4c/0xbf0 [ 113.833188][ T5118] softirqs last disabled at (81837): [] __irq_exit_rcu+0x240/0x440 [ 113.835966][ T5118] ---[ end trace 1ae2b8b8b3c0717f ]--- [ 113.839900][ T5118] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 113.842511][ T5118] BTRFS info (device loop0): forced readonly [ 114.108810][ T5140] loop0: detected capacity change from 0 to 32768 [ 114.150175][ T5140] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5140) [ 114.192559][ T5140] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 114.194950][ T5140] BTRFS info (device loop0): metadata ratio 1025 [ 114.196741][ T5140] BTRFS info (device loop0): doing ref verification [ 114.198745][ T5140] BTRFS info (device loop0): force clearing of disk cache [ 114.200667][ T5140] BTRFS info (device loop0): turning off barriers [ 114.202408][ T5140] BTRFS info (device loop0): setting nodatacow, compression disabled [ 114.204551][ T5140] BTRFS info (device loop0): enabling ssd optimizations [ 114.206429][ T5140] BTRFS info (device loop0): using spread ssd allocation scheme [ 114.208555][ T5140] BTRFS info (device loop0): not using ssd optimizations [ 114.210462][ T5140] BTRFS info (device loop0): not using spread ssd allocation scheme [ 114.212602][ T5140] BTRFS info (device loop0): using free space tree [ 114.214319][ T5140] BTRFS info (device loop0): has skinny extents [ 114.229824][ T5140] BTRFS info (device loop0): clearing free space tree [ 114.231794][ T5140] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.234690][ T5140] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.241002][ T5140] BTRFS info (device loop0): creating free space tree [ 114.243541][ T5140] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.246215][ T5140] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.254230][ T5140] FAULT_INJECTION: forcing a failure. [ 114.254230][ T5140] name failslab, interval 1, probability 0, space 0, times 0 [ 114.257760][ T5140] CPU: 1 PID: 5140 Comm: syz.0.28 Tainted: G W 5.15.184-syzkaller #0 [ 114.260358][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.263179][ T5140] Call trace: [ 114.264071][ T5140] dump_backtrace+0x0/0x43c [ 114.265304][ T5140] show_stack+0x2c/0x3c [ 114.266528][ T5140] __dump_stack+0x30/0x40 [ 114.267735][ T5140] dump_stack_lvl+0xf8/0x160 [ 114.269048][ T5140] dump_stack+0x1c/0x5c [ 114.270178][ T5140] should_fail+0x3c0/0x51c [ 114.271419][ T5140] __should_failslab+0xbc/0x10c [ 114.272796][ T5140] should_failslab+0x10/0x28 [ 114.274125][ T5140] slab_pre_alloc_hook+0x64/0xec [ 114.275564][ T5140] kmem_cache_alloc+0x94/0x3e4 [ 114.276880][ T5140] btrfs_alloc_path+0x5c/0x68 [ 114.278257][ T5140] btrfs_insert_dir_item+0x16c/0x3b8 [ 114.279768][ T5140] btrfs_add_link+0x294/0xa68 [ 114.281049][ T5140] btrfs_link+0x3ac/0x6a4 [ 114.282243][ T5140] vfs_link+0x5b4/0x744 [ 114.283408][ T5140] do_linkat+0x3dc/0x6f8 [ 114.284597][ T5140] __arm64_sys_linkat+0xe4/0x100 [ 114.285976][ T5140] invoke_syscall+0x98/0x2b8 [ 114.287276][ T5140] el0_svc_common+0x138/0x258 [ 114.288684][ T5140] do_el0_svc+0x58/0x14c [ 114.289859][ T5140] el0_svc+0x78/0x1e0 [ 114.290977][ T5140] el0t_64_sync_handler+0xcc/0xe4 [ 114.292556][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 114.296026][ T5140] ------------[ cut here ]------------ [ 114.297846][ T5140] WARNING: CPU: 1 PID: 5140 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 114.300450][ T5140] Modules linked in: [ 114.301611][ T5140] CPU: 1 PID: 5140 Comm: syz.0.28 Tainted: G W 5.15.184-syzkaller #0 [ 114.304248][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.307155][ T5140] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.309330][ T5140] pc : btrfs_add_link+0x6e8/0xa68 [ 114.310744][ T5140] lr : btrfs_add_link+0x6e8/0xa68 [ 114.312142][ T5140] sp : ffff8000206279e0 [ 114.313325][ T5140] x29: ffff800020627ae0 x28: ffff0000c06480b0 x27: 0000000000000107 [ 114.315587][ T5140] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 114.317828][ T5140] x23: 0000000000000005 x22: 1fffe000180c9021 x21: ffff7000040c4f44 [ 114.320135][ T5140] x20: 00000000fffffff4 x19: ffff0000c0648108 x18: 0000000000000001 [ 114.322400][ T5140] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 114.324570][ T5140] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.326800][ T5140] x11: 0000000000000000 x10: 0000000000000000 x9 : ddddaf981b397f00 [ 114.329082][ T5140] x8 : ddddaf981b397f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.331387][ T5140] x5 : ffff8000206272d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 114.333674][ T5140] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.335884][ T5140] Call trace: [ 114.336800][ T5140] btrfs_add_link+0x6e8/0xa68 [ 114.338083][ T5140] btrfs_link+0x3ac/0x6a4 [ 114.339313][ T5140] vfs_link+0x5b4/0x744 [ 114.340506][ T5140] do_linkat+0x3dc/0x6f8 [ 114.341751][ T5140] __arm64_sys_linkat+0xe4/0x100 [ 114.343138][ T5140] invoke_syscall+0x98/0x2b8 [ 114.344417][ T5140] el0_svc_common+0x138/0x258 [ 114.345738][ T5140] do_el0_svc+0x58/0x14c [ 114.346920][ T5140] el0_svc+0x78/0x1e0 [ 114.348075][ T5140] el0t_64_sync_handler+0xcc/0xe4 [ 114.349472][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 114.350754][ T5140] irq event stamp: 80966 [ 114.351951][ T5140] hardirqs last enabled at (80965): [] __up_console_sem+0xb4/0x100 [ 114.354712][ T5140] hardirqs last disabled at (80966): [] el1_dbg+0x24/0x80 [ 114.357159][ T5140] softirqs last enabled at (80946): [] handle_softirqs+0xa4c/0xbf0 [ 114.359895][ T5140] softirqs last disabled at (80911): [] __irq_exit_rcu+0x240/0x440 [ 114.362520][ T5140] ---[ end trace 1ae2b8b8b3c07180 ]--- [ 114.368500][ T5140] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 114.371116][ T5140] BTRFS info (device loop0): forced readonly [ 114.670385][ T5162] loop0: detected capacity change from 0 to 32768 [ 114.717846][ T5162] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5162) [ 114.727208][ T5162] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 114.730027][ T5162] BTRFS info (device loop0): metadata ratio 1025 [ 114.731820][ T5162] BTRFS info (device loop0): doing ref verification [ 114.733590][ T5162] BTRFS info (device loop0): force clearing of disk cache [ 114.735509][ T5162] BTRFS info (device loop0): turning off barriers [ 114.737223][ T5162] BTRFS info (device loop0): setting nodatacow, compression disabled [ 114.739586][ T5162] BTRFS info (device loop0): enabling ssd optimizations [ 114.741760][ T5162] BTRFS info (device loop0): using spread ssd allocation scheme [ 114.743796][ T5162] BTRFS info (device loop0): not using ssd optimizations [ 114.745667][ T5162] BTRFS info (device loop0): not using spread ssd allocation scheme [ 114.748609][ T5162] BTRFS info (device loop0): using free space tree [ 114.750512][ T5162] BTRFS info (device loop0): has skinny extents [ 114.776513][ T5162] BTRFS info (device loop0): clearing free space tree [ 114.778655][ T5162] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.781378][ T5162] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.787045][ T5162] BTRFS info (device loop0): creating free space tree [ 114.789584][ T5162] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.792545][ T5162] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.800069][ T5162] FAULT_INJECTION: forcing a failure. [ 114.800069][ T5162] name failslab, interval 1, probability 0, space 0, times 0 [ 114.803554][ T5162] CPU: 0 PID: 5162 Comm: syz.0.29 Tainted: G W 5.15.184-syzkaller #0 [ 114.806069][ T5162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.808777][ T5162] Call trace: [ 114.809678][ T5162] dump_backtrace+0x0/0x43c [ 114.810906][ T5162] show_stack+0x2c/0x3c [ 114.812119][ T5162] __dump_stack+0x30/0x40 [ 114.813276][ T5162] dump_stack_lvl+0xf8/0x160 [ 114.814575][ T5162] dump_stack+0x1c/0x5c [ 114.815691][ T5162] should_fail+0x3c0/0x51c [ 114.816953][ T5162] __should_failslab+0xbc/0x10c [ 114.818275][ T5162] should_failslab+0x10/0x28 [ 114.819640][ T5162] slab_pre_alloc_hook+0x64/0xec [ 114.820962][ T5162] kmem_cache_alloc+0x94/0x3e4 [ 114.822323][ T5162] btrfs_alloc_path+0x5c/0x68 [ 114.823661][ T5162] btrfs_insert_dir_item+0x16c/0x3b8 [ 114.825203][ T5162] btrfs_add_link+0x294/0xa68 [ 114.826505][ T5162] btrfs_link+0x3ac/0x6a4 [ 114.827665][ T5162] vfs_link+0x5b4/0x744 [ 114.828776][ T5162] do_linkat+0x3dc/0x6f8 [ 114.829925][ T5162] __arm64_sys_linkat+0xe4/0x100 [ 114.831260][ T5162] invoke_syscall+0x98/0x2b8 [ 114.832562][ T5162] el0_svc_common+0x138/0x258 [ 114.833826][ T5162] do_el0_svc+0x58/0x14c [ 114.835007][ T5162] el0_svc+0x78/0x1e0 [ 114.836102][ T5162] el0t_64_sync_handler+0xcc/0xe4 [ 114.837551][ T5162] el0t_64_sync+0x1a0/0x1a4 [ 114.838962][ T5162] ------------[ cut here ]------------ [ 114.841610][ T5162] WARNING: CPU: 0 PID: 5162 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 114.844163][ T5162] Modules linked in: [ 114.845275][ T5162] CPU: 0 PID: 5162 Comm: syz.0.29 Tainted: G W 5.15.184-syzkaller #0 [ 114.847847][ T5162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.850616][ T5162] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.852779][ T5162] pc : btrfs_add_link+0x6e8/0xa68 [ 114.854194][ T5162] lr : btrfs_add_link+0x6e8/0xa68 [ 114.855590][ T5162] sp : ffff800020a379e0 [ 114.856760][ T5162] x29: ffff800020a37ae0 x28: ffff0000de5338f0 x27: 0000000000000107 [ 114.858990][ T5162] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 114.861185][ T5162] x23: 0000000000000005 x22: 1fffe0001bca6729 x21: ffff700004146f44 [ 114.863387][ T5162] x20: 00000000fffffff4 x19: ffff0000de533948 x18: 0000000000000001 [ 114.865555][ T5162] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 114.867850][ T5162] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.870003][ T5162] x11: 0000000000000000 x10: 0000000000000000 x9 : 694f2878c1cc7500 [ 114.872196][ T5162] x8 : 694f2878c1cc7500 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.874657][ T5162] x5 : ffff800020a372d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 114.876905][ T5162] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.879058][ T5162] Call trace: [ 114.879985][ T5162] btrfs_add_link+0x6e8/0xa68 [ 114.881276][ T5162] btrfs_link+0x3ac/0x6a4 [ 114.882481][ T5162] vfs_link+0x5b4/0x744 [ 114.883594][ T5162] do_linkat+0x3dc/0x6f8 [ 114.884752][ T5162] __arm64_sys_linkat+0xe4/0x100 [ 114.886133][ T5162] invoke_syscall+0x98/0x2b8 [ 114.887411][ T5162] el0_svc_common+0x138/0x258 [ 114.888706][ T5162] do_el0_svc+0x58/0x14c [ 114.889881][ T5162] el0_svc+0x78/0x1e0 [ 114.890977][ T5162] el0t_64_sync_handler+0xcc/0xe4 [ 114.892398][ T5162] el0t_64_sync+0x1a0/0x1a4 [ 114.893594][ T5162] irq event stamp: 81068 [ 114.894771][ T5162] hardirqs last enabled at (81067): [] __up_console_sem+0xb4/0x100 [ 114.897596][ T5162] hardirqs last disabled at (81068): [] el1_dbg+0x24/0x80 [ 114.900008][ T5162] softirqs last enabled at (81048): [] handle_softirqs+0xa4c/0xbf0 [ 114.902639][ T5162] softirqs last disabled at (81011): [] __irq_exit_rcu+0x240/0x440 [ 114.905606][ T5162] ---[ end trace 1ae2b8b8b3c07181 ]--- [ 114.908188][ T5162] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 114.910805][ T5162] BTRFS info (device loop0): forced readonly [ 115.179600][ T5184] loop0: detected capacity change from 0 to 32768 [ 115.275994][ T5184] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5184) [ 115.281913][ T5184] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 115.284305][ T5184] BTRFS info (device loop0): metadata ratio 1025 [ 115.286169][ T5184] BTRFS info (device loop0): doing ref verification [ 115.288035][ T5184] BTRFS info (device loop0): force clearing of disk cache [ 115.290000][ T5184] BTRFS info (device loop0): turning off barriers [ 115.291964][ T5184] BTRFS info (device loop0): setting nodatacow, compression disabled [ 115.334822][ T5184] FAULT_INJECTION: forcing a failure. [ 115.334822][ T5184] name failslab, interval 1, probability 0, space 0, times 0 [ 115.338613][ T5184] CPU: 0 PID: 5184 Comm: syz.0.30 Tainted: G W 5.15.184-syzkaller #0 [ 115.341228][ T5184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.343967][ T5184] Call trace: [ 115.344842][ T5184] dump_backtrace+0x0/0x43c [ 115.346060][ T5184] show_stack+0x2c/0x3c [ 115.347172][ T5184] __dump_stack+0x30/0x40 [ 115.348352][ T5184] dump_stack_lvl+0xf8/0x160 [ 115.349615][ T5184] dump_stack+0x1c/0x5c [ 115.350767][ T5184] should_fail+0x3c0/0x51c [ 115.351984][ T5184] __should_failslab+0xbc/0x10c [ 115.353318][ T5184] should_failslab+0x10/0x28 [ 115.354577][ T5184] slab_pre_alloc_hook+0x64/0xec [ 115.355926][ T5184] kmem_cache_alloc+0x94/0x3e4 [ 115.357247][ T5184] btrfs_alloc_path+0x5c/0x68 [ 115.358541][ T5184] btrfs_insert_dir_item+0x16c/0x3b8 [ 115.360054][ T5184] btrfs_add_link+0x294/0xa68 [ 115.361372][ T5184] btrfs_link+0x3ac/0x6a4 [ 115.362602][ T5184] vfs_link+0x5b4/0x744 [ 115.363753][ T5184] do_linkat+0x3dc/0x6f8 [ 115.364935][ T5184] __arm64_sys_linkat+0xe4/0x100 [ 115.366304][ T5184] invoke_syscall+0x98/0x2b8 [ 115.367575][ T5184] el0_svc_common+0x138/0x258 [ 115.368876][ T5184] do_el0_svc+0x58/0x14c [ 115.370047][ T5184] el0_svc+0x78/0x1e0 [ 115.371112][ T5184] el0t_64_sync_handler+0xcc/0xe4 [ 115.372483][ T5184] el0t_64_sync+0x1a0/0x1a4 [ 115.377078][ T5184] ------------[ cut here ]------------ [ 115.378870][ T5184] WARNING: CPU: 0 PID: 5184 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 115.381385][ T5184] Modules linked in: [ 115.382415][ T5184] CPU: 0 PID: 5184 Comm: syz.0.30 Tainted: G W 5.15.184-syzkaller #0 [ 115.384924][ T5184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.387617][ T5184] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.389726][ T5184] pc : btrfs_add_link+0x6e8/0xa68 [ 115.391181][ T5184] lr : btrfs_add_link+0x6e8/0xa68 [ 115.392597][ T5184] sp : ffff8000209079e0 [ 115.393730][ T5184] x29: ffff800020907ae0 x28: ffff0000de5339a0 x27: 0000000000000107 [ 115.395924][ T5184] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 115.398179][ T5184] x23: 0000000000000005 x22: 1fffe0001bca673f x21: ffff700004120f44 [ 115.400409][ T5184] x20: 00000000fffffff4 x19: ffff0000de5339f8 x18: 0000000000000001 [ 115.402626][ T5184] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 115.404884][ T5184] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.407149][ T5184] x11: 0000000000000000 x10: 0000000000000000 x9 : 894ed9d5ac7b1e00 [ 115.409425][ T5184] x8 : 894ed9d5ac7b1e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.411624][ T5184] x5 : ffff8000209072d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 115.413843][ T5184] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.416070][ T5184] Call trace: [ 115.417001][ T5184] btrfs_add_link+0x6e8/0xa68 [ 115.418337][ T5184] btrfs_link+0x3ac/0x6a4 [ 115.419565][ T5184] vfs_link+0x5b4/0x744 [ 115.420692][ T5184] do_linkat+0x3dc/0x6f8 [ 115.421896][ T5184] __arm64_sys_linkat+0xe4/0x100 [ 115.423243][ T5184] invoke_syscall+0x98/0x2b8 [ 115.424524][ T5184] el0_svc_common+0x138/0x258 [ 115.425810][ T5184] do_el0_svc+0x58/0x14c [ 115.427012][ T5184] el0_svc+0x78/0x1e0 [ 115.428114][ T5184] el0t_64_sync_handler+0xcc/0xe4 [ 115.429489][ T5184] el0t_64_sync+0x1a0/0x1a4 [ 115.430821][ T5184] irq event stamp: 82252 [ 115.432000][ T5184] hardirqs last enabled at (82251): [] __up_console_sem+0xb4/0x100 [ 115.434679][ T5184] hardirqs last disabled at (82252): [] el1_dbg+0x24/0x80 [ 115.437164][ T5184] softirqs last enabled at (82242): [] handle_softirqs+0xa4c/0xbf0 [ 115.439840][ T5184] softirqs last disabled at (82233): [] __irq_exit_rcu+0x240/0x440 [ 115.442503][ T5184] ---[ end trace 1ae2b8b8b3c07182 ]--- [ 115.445301][ T5184] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 115.777862][ T5206] loop0: detected capacity change from 0 to 32768 [ 115.839796][ T5206] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5206) [ 115.879315][ T5206] FAULT_INJECTION: forcing a failure. [ 115.879315][ T5206] name failslab, interval 1, probability 0, space 0, times 0 [ 115.882733][ T5206] CPU: 0 PID: 5206 Comm: syz.0.31 Tainted: G W 5.15.184-syzkaller #0 [ 115.885200][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.887868][ T5206] Call trace: [ 115.888774][ T5206] dump_backtrace+0x0/0x43c [ 115.890035][ T5206] show_stack+0x2c/0x3c [ 115.891203][ T5206] __dump_stack+0x30/0x40 [ 115.892401][ T5206] dump_stack_lvl+0xf8/0x160 [ 115.893640][ T5206] dump_stack+0x1c/0x5c [ 115.894756][ T5206] should_fail+0x3c0/0x51c [ 115.896000][ T5206] __should_failslab+0xbc/0x10c [ 115.897405][ T5206] should_failslab+0x10/0x28 [ 115.898671][ T5206] slab_pre_alloc_hook+0x64/0xec [ 115.900019][ T5206] kmem_cache_alloc+0x94/0x3e4 [ 115.901339][ T5206] btrfs_alloc_path+0x5c/0x68 [ 115.902603][ T5206] btrfs_insert_inode_ref+0xe8/0x9e0 [ 115.904086][ T5206] btrfs_add_link+0x22c/0xa68 [ 115.905372][ T5206] btrfs_link+0x3ac/0x6a4 [ 115.906552][ T5206] vfs_link+0x5b4/0x744 [ 115.907691][ T5206] do_linkat+0x3dc/0x6f8 [ 115.908902][ T5206] __arm64_sys_linkat+0xe4/0x100 [ 115.910305][ T5206] invoke_syscall+0x98/0x2b8 [ 115.911726][ T5206] el0_svc_common+0x138/0x258 [ 115.913059][ T5206] do_el0_svc+0x58/0x14c [ 115.914273][ T5206] el0_svc+0x78/0x1e0 [ 115.915446][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 115.916929][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 116.031215][ T4487] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4487) [ 116.202199][ T5227] loop0: detected capacity change from 0 to 32768 [ 116.242097][ T5227] FAULT_INJECTION: forcing a failure. [ 116.242097][ T5227] name failslab, interval 1, probability 0, space 0, times 0 [ 116.245589][ T5227] CPU: 0 PID: 5227 Comm: syz.0.32 Tainted: G W 5.15.184-syzkaller #0 [ 116.248231][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.251004][ T5227] Call trace: [ 116.251897][ T5227] dump_backtrace+0x0/0x43c [ 116.253107][ T5227] show_stack+0x2c/0x3c [ 116.254274][ T5227] __dump_stack+0x30/0x40 [ 116.255535][ T5227] dump_stack_lvl+0xf8/0x160 [ 116.256859][ T5227] dump_stack+0x1c/0x5c [ 116.258023][ T5227] should_fail+0x3c0/0x51c [ 116.259326][ T5227] __should_failslab+0xbc/0x10c [ 116.260702][ T5227] should_failslab+0x10/0x28 [ 116.261985][ T5227] slab_pre_alloc_hook+0x64/0xec [ 116.263343][ T5227] kmem_cache_alloc+0x94/0x3e4 [ 116.264680][ T5227] btrfs_alloc_path+0x5c/0x68 [ 116.265994][ T5227] btrfs_insert_dir_item+0x16c/0x3b8 [ 116.267546][ T5227] btrfs_add_link+0x294/0xa68 [ 116.268997][ T5227] btrfs_link+0x3ac/0x6a4 [ 116.270169][ T5227] vfs_link+0x5b4/0x744 [ 116.271311][ T5227] do_linkat+0x3dc/0x6f8 [ 116.272464][ T5227] __arm64_sys_linkat+0xe4/0x100 [ 116.273878][ T5227] invoke_syscall+0x98/0x2b8 [ 116.275166][ T5227] el0_svc_common+0x138/0x258 [ 116.276471][ T5227] do_el0_svc+0x58/0x14c [ 116.277677][ T5227] el0_svc+0x78/0x1e0 [ 116.278805][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 116.280194][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 116.284697][ T5227] ------------[ cut here ]------------ [ 116.286460][ T5227] WARNING: CPU: 0 PID: 5227 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 116.289013][ T5227] Modules linked in: [ 116.290142][ T5227] CPU: 0 PID: 5227 Comm: syz.0.32 Tainted: G W 5.15.184-syzkaller #0 [ 116.292929][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.295793][ T5227] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.297989][ T5227] pc : btrfs_add_link+0x6e8/0xa68 [ 116.299404][ T5227] lr : btrfs_add_link+0x6e8/0xa68 [ 116.300837][ T5227] sp : ffff800020d879e0 [ 116.301956][ T5227] x29: ffff800020d87ae0 x28: ffff0000de533f20 x27: 0000000000000107 [ 116.304144][ T5227] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 116.306365][ T5227] x23: 0000000000000005 x22: 1fffe0001bca67ef x21: ffff7000041b0f44 [ 116.308623][ T5227] x20: 00000000fffffff4 x19: ffff0000de533f78 x18: 0000000000000001 [ 116.310895][ T5227] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 116.313095][ T5227] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.315307][ T5227] x11: 0000000000000000 x10: 0000000000000000 x9 : 2a01b3d7ce7b1b00 [ 116.317524][ T5227] x8 : 2a01b3d7ce7b1b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.319822][ T5227] x5 : ffff800020d872d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 116.322042][ T5227] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.324367][ T5227] Call trace: [ 116.325270][ T5227] btrfs_add_link+0x6e8/0xa68 [ 116.326542][ T5227] btrfs_link+0x3ac/0x6a4 [ 116.327758][ T5227] vfs_link+0x5b4/0x744 [ 116.328939][ T5227] do_linkat+0x3dc/0x6f8 [ 116.330163][ T5227] __arm64_sys_linkat+0xe4/0x100 [ 116.331566][ T5227] invoke_syscall+0x98/0x2b8 [ 116.332855][ T5227] el0_svc_common+0x138/0x258 [ 116.334276][ T5227] do_el0_svc+0x58/0x14c [ 116.335447][ T5227] el0_svc+0x78/0x1e0 [ 116.336566][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 116.338032][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 116.339260][ T5227] irq event stamp: 81960 [ 116.340437][ T5227] hardirqs last enabled at (81959): [] __up_console_sem+0xb4/0x100 [ 116.343155][ T5227] hardirqs last disabled at (81960): [] el1_dbg+0x24/0x80 [ 116.345629][ T5227] softirqs last enabled at (81940): [] handle_softirqs+0xa4c/0xbf0 [ 116.348359][ T5227] softirqs last disabled at (81841): [] __irq_exit_rcu+0x240/0x440 [ 116.351017][ T5227] ---[ end trace 1ae2b8b8b3c07183 ]--- [ 116.354989][ T5227] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 116.649679][ T5250] loop0: detected capacity change from 0 to 32768 [ 116.657168][ T5250] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5250) [ 116.700199][ T5250] FAULT_INJECTION: forcing a failure. [ 116.700199][ T5250] name failslab, interval 1, probability 0, space 0, times 0 [ 116.703688][ T5250] CPU: 0 PID: 5250 Comm: syz.0.33 Tainted: G W 5.15.184-syzkaller #0 [ 116.706170][ T5250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.708882][ T5250] Call trace: [ 116.709764][ T5250] dump_backtrace+0x0/0x43c [ 116.710986][ T5250] show_stack+0x2c/0x3c [ 116.712108][ T5250] __dump_stack+0x30/0x40 [ 116.713285][ T5250] dump_stack_lvl+0xf8/0x160 [ 116.714572][ T5250] dump_stack+0x1c/0x5c [ 116.715689][ T5250] should_fail+0x3c0/0x51c [ 116.716907][ T5250] __should_failslab+0xbc/0x10c [ 116.718279][ T5250] should_failslab+0x10/0x28 [ 116.719518][ T5250] slab_pre_alloc_hook+0x64/0xec [ 116.720853][ T5250] kmem_cache_alloc+0x94/0x3e4 [ 116.722136][ T5250] btrfs_alloc_path+0x5c/0x68 [ 116.723404][ T5250] btrfs_insert_dir_item+0x16c/0x3b8 [ 116.724855][ T5250] btrfs_add_link+0x294/0xa68 [ 116.726122][ T5250] btrfs_link+0x3ac/0x6a4 [ 116.727318][ T5250] vfs_link+0x5b4/0x744 [ 116.728456][ T5250] do_linkat+0x3dc/0x6f8 [ 116.729627][ T5250] __arm64_sys_linkat+0xe4/0x100 [ 116.730984][ T5250] invoke_syscall+0x98/0x2b8 [ 116.732253][ T5250] el0_svc_common+0x138/0x258 [ 116.733608][ T5250] do_el0_svc+0x58/0x14c [ 116.734819][ T5250] el0_svc+0x78/0x1e0 [ 116.735944][ T5250] el0t_64_sync_handler+0xcc/0xe4 [ 116.737416][ T5250] el0t_64_sync+0x1a0/0x1a4 [ 116.741443][ T5250] ------------[ cut here ]------------ [ 116.743184][ T5250] WARNING: CPU: 0 PID: 5250 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 116.745710][ T5250] Modules linked in: [ 116.746774][ T5250] CPU: 0 PID: 5250 Comm: syz.0.33 Tainted: G W 5.15.184-syzkaller #0 [ 116.749326][ T5250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.752061][ T5250] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.754191][ T5250] pc : btrfs_add_link+0x6e8/0xa68 [ 116.755594][ T5250] lr : btrfs_add_link+0x6e8/0xa68 [ 116.757009][ T5250] sp : ffff800020d879e0 [ 116.758127][ T5250] x29: ffff800020d87ae0 x28: ffff0000dcf12d10 x27: 0000000000000107 [ 116.760363][ T5250] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 116.762626][ T5250] x23: 0000000000000005 x22: 1fffe0001b9e25ad x21: ffff7000041b0f44 [ 116.764841][ T5250] x20: 00000000fffffff4 x19: ffff0000dcf12d68 x18: 0000000000000001 [ 116.766984][ T5250] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 116.769316][ T5250] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.771495][ T5250] x11: 0000000000000000 x10: 0000000000000000 x9 : 9958053e5a7fc600 [ 116.773708][ T5250] x8 : 9958053e5a7fc600 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.775937][ T5250] x5 : ffff800020d872d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 116.778215][ T5250] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.780556][ T5250] Call trace: [ 116.781448][ T5250] btrfs_add_link+0x6e8/0xa68 [ 116.782783][ T5250] btrfs_link+0x3ac/0x6a4 [ 116.783965][ T5250] vfs_link+0x5b4/0x744 [ 116.785156][ T5250] do_linkat+0x3dc/0x6f8 [ 116.786374][ T5250] __arm64_sys_linkat+0xe4/0x100 [ 116.787807][ T5250] invoke_syscall+0x98/0x2b8 [ 116.789101][ T5250] el0_svc_common+0x138/0x258 [ 116.790483][ T5250] do_el0_svc+0x58/0x14c [ 116.791662][ T5250] el0_svc+0x78/0x1e0 [ 116.792804][ T5250] el0t_64_sync_handler+0xcc/0xe4 [ 116.794119][ T5250] el0t_64_sync+0x1a0/0x1a4 [ 116.795246][ T5250] irq event stamp: 81578 [ 116.796294][ T5250] hardirqs last enabled at (81577): [] __up_console_sem+0xb4/0x100 [ 116.798751][ T5250] hardirqs last disabled at (81578): [] el1_dbg+0x24/0x80 [ 116.801204][ T5250] softirqs last enabled at (81558): [] handle_softirqs+0xa4c/0xbf0 [ 116.803952][ T5250] softirqs last disabled at (81545): [] __irq_exit_rcu+0x240/0x440 [ 116.806580][ T5250] ---[ end trace 1ae2b8b8b3c07184 ]--- [ 116.811326][ T5250] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 117.085108][ T5272] loop0: detected capacity change from 0 to 32768 [ 117.089974][ T5272] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5272) [ 117.130557][ T5272] FAULT_INJECTION: forcing a failure. [ 117.130557][ T5272] name failslab, interval 1, probability 0, space 0, times 0 [ 117.133958][ T5272] CPU: 1 PID: 5272 Comm: syz.0.34 Tainted: G W 5.15.184-syzkaller #0 [ 117.136470][ T5272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.139121][ T5272] Call trace: [ 117.140022][ T5272] dump_backtrace+0x0/0x43c [ 117.141252][ T5272] show_stack+0x2c/0x3c [ 117.142358][ T5272] __dump_stack+0x30/0x40 [ 117.143512][ T5272] dump_stack_lvl+0xf8/0x160 [ 117.144756][ T5272] dump_stack+0x1c/0x5c [ 117.145889][ T5272] should_fail+0x3c0/0x51c [ 117.147085][ T5272] __should_failslab+0xbc/0x10c [ 117.148399][ T5272] should_failslab+0x10/0x28 [ 117.149635][ T5272] slab_pre_alloc_hook+0x64/0xec [ 117.150970][ T5272] kmem_cache_alloc+0x94/0x3e4 [ 117.152286][ T5272] btrfs_alloc_path+0x5c/0x68 [ 117.153562][ T5272] btrfs_insert_dir_item+0x16c/0x3b8 [ 117.155000][ T5272] btrfs_add_link+0x294/0xa68 [ 117.156255][ T5272] btrfs_link+0x3ac/0x6a4 [ 117.157460][ T5272] vfs_link+0x5b4/0x744 [ 117.158587][ T5272] do_linkat+0x3dc/0x6f8 [ 117.159727][ T5272] __arm64_sys_linkat+0xe4/0x100 [ 117.161040][ T5272] invoke_syscall+0x98/0x2b8 [ 117.162276][ T5272] el0_svc_common+0x138/0x258 [ 117.163586][ T5272] do_el0_svc+0x58/0x14c [ 117.164717][ T5272] el0_svc+0x78/0x1e0 [ 117.165796][ T5272] el0t_64_sync_handler+0xcc/0xe4 [ 117.167212][ T5272] el0t_64_sync+0x1a0/0x1a4 [ 117.168711][ T5272] ------------[ cut here ]------------ [ 117.170434][ T5272] WARNING: CPU: 1 PID: 5272 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 117.172997][ T5272] Modules linked in: [ 117.174045][ T5272] CPU: 1 PID: 5272 Comm: syz.0.34 Tainted: G W 5.15.184-syzkaller #0 [ 117.176904][ T5272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.179791][ T5272] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 117.181967][ T5272] pc : btrfs_add_link+0x6e8/0xa68 [ 117.183443][ T5272] lr : btrfs_add_link+0x6e8/0xa68 [ 117.184855][ T5272] sp : ffff800020e979e0 [ 117.186021][ T5272] x29: ffff800020e97ae0 x28: ffff0000c0648630 x27: 0000000000000107 [ 117.188305][ T5272] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 117.190590][ T5272] x23: 0000000000000005 x22: 1fffe000180c90d1 x21: ffff7000041d2f44 [ 117.192845][ T5272] x20: 00000000fffffff4 x19: ffff0000c0648688 x18: 0000000000000001 [ 117.195132][ T5272] x17: 0000000000000000 x16: ffff8000083007ec x15: 00000000ffffffff [ 117.197427][ T5272] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 117.199643][ T5272] x11: 0000000000000000 x10: 0000000000000000 x9 : c46724f4651a9c00 [ 117.201812][ T5272] x8 : c46724f4651a9c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 117.204015][ T5272] x5 : ffff800020e972d8 x4 : ffff80001422f280 x3 : ffff8000083008fc [ 117.206244][ T5272] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 117.208512][ T5272] Call trace: [ 117.209466][ T5272] btrfs_add_link+0x6e8/0xa68 [ 117.210748][ T5272] btrfs_link+0x3ac/0x6a4 [ 117.211950][ T5272] vfs_link+0x5b4/0x744 [ 117.213096][ T5272] do_linkat+0x3dc/0x6f8 [ 117.214287][ T5272] __arm64_sys_linkat+0xe4/0x100 [ 117.215655][ T5272] invoke_syscall+0x98/0x2b8 [ 117.216968][ T5272] el0_svc_common+0x138/0x258 [ 117.218291][ T5272] do_el0_svc+0x58/0x14c [ 117.219496][ T5272] el0_svc+0x78/0x1e0 [ 117.220623][ T5272] el0t_64_sync_handler+0xcc/0xe4 [ 117.222066][ T5272] el0t_64_sync+0x1a0/0x1a4 [ 117.223333][ T5272] irq event stamp: 81064 [ 117.224531][ T5272] hardirqs last enabled at (81063): [] __up_console_sem+0xb4/0x100 [ 117.227386][ T5272] hardirqs last disabled at (81064): [] el1_dbg+0x24/0x80 [ 117.229858][ T5272] softirqs last enabled at (81048): [] handle_softirqs+0xa4c/0xbf0 [ 117.232635][ T5272] softirqs last disabled at (80987): [] __irq_exit_rcu+0x240/0x440 [ 117.235276][ T5272] ---[ end trace 1ae2b8b8b3c07185 ]--- [ 117.237224][ T5272] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 117.514152][ T5294] loop0: detected capacity change from 0 to 32768 [ 117.596613][ T5294] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5294) [ 117.642314][ T5294] FAULT_INJECTION: forcing a failure. [ 117.642314][ T5294] name failslab, interval 1, probability 0, space 0, times 0 [ 117.645829][ T5294] CPU: 0 PID: 5294 Comm: syz.0.35 Tainted: G W 5.15.184-syzkaller #0 [ 117.648368][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.651428][ T5294] Call trace: [ 117.652364][ T5294] dump_backtrace+0x0/0x43c [ 117.653650][ T5294] show_stack+0x2c/0x3c [ 117.654786][ T5294] __dump_stack+0x30/0x40 [ 117.655975][ T5294] dump_stack_lvl+0xf8/0x160 [ 117.657202][ T5294] dump_stack+0x1c/0x5c [ 117.658338][ T5294] should_fail+0x3c0/0x51c [ 117.659550][ T5294] __should_failslab+0xbc/0x10c [ 117.660907][ T5294] should_failslab+0x10/0x28 [ 117.662180][ T5294] slab_pre_alloc_hook+0x64/0xec [ 117.663535][ T5294] kmem_cache_alloc+0x94/0x3e4 [ 117.664833][ T5294] btrfs_alloc_path+0x5c/0x68 [ 117.666105][ T5294] btrfs_insert_dir_item+0x16c/0x3b8 [ 117.667564][ T5294] btrfs_add_link+0x294/0xa68 [ 117.668813][ T5294] btrfs_link+0x3ac/0x6a4 [ 117.670070][ T5294] vfs_link+0x5b4/0x744 [ 117.671206][ T5294] do_linkat+0x3dc/0x6f8 [ 117.672383][ T5294] __arm64_sys_linkat+0xe4/0x100 [ 117.673764][ T5294] invoke_syscall+0x98/0x2b8 [ 117.675056][ T5294] el0_svc_common+0x138/0x258 [ 117.676432][ T5294] do_el0_svc+0x58/0x14c [ 117.677649][ T5294] el0_svc+0x78/0x1e0 [ 117.678791][ T5294] el0t_64_sync_handler+0xcc/0xe4 [ 117.680181][ T5294] el0t_64_sync+0x1a0/0x1a4 [ 117.682959][ T5294] ------------[ cut here ]------------ [ 117.684807][ T5294] WARNING: CPU: 0 PID: 5294 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 117.687362][ T5294] Modules linked in: [ 117.688516][ T5294] CPU: 0 PID: 5294 Comm: syz.0.35 Tainted: G W 5.15.184-syzkaller #0 [ 117.691190][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.694023][ T5294] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 117.696211][ T5294] pc : btrfs_add_link+0x6e8/0xa68 [ 117.697592][ T5294] lr : btrfs_add_link+0x6e8/0xa68 [ 117.698946][ T5294] sp : ffff8000210b79e0 [ 117.700115][ T5294] x29: ffff8000210b7ae0 x28: ffff0000dcf12c60 x27: 0000000000000107 [ 117.702406][ T5294] x26: 00000000fffffff4 x25: 0000000000000001 x24: dfff800000000000 [ 117.704713][ T5294] x23: 0000000000000005 x22: 1fffe0001b9e2597 x21: ffff700004216f44 [ 117.707037][ T5294] x20: 00000000fffffff4 x19: ffff0000dcf12cb8 x18: 0000000000000001 [ 117.709299][ T5294] x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff [ 117.711537][ T5294] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 117.713775][ T5294] x11: 0000000000000000 x10: 0000000000000000 x9 : c3bd8607b70a8300 [ 117.716046][ T5294] x8 : c3bd8607b70a8300 x7 : 0000000000000001 x6 : 0000000000000001 [ 117.718297][ T5294] x5 : ffff8000210b72d8 x4 : ffff80001422f280 x3 : ffff80000850383c [ 117.720505][ T5294] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 117.722746][ T5294] Call trace: [ 117.723708][ T5294] btrfs_add_link+0x6e8/0xa68 [ 117.725104][ T5294] btrfs_link+0x3ac/0x6a4 [ 117.726306][ T5294] vfs_link+0x5b4/0x744 [ 117.727500][ T5294] do_linkat+0x3dc/0x6f8 [ 117.728658][ T5294] __arm64_sys_linkat+0xe4/0x100 [ 117.730083][ T5294] invoke_syscall+0x98/0x2b8 [ 117.731374][ T5294] el0_svc_common+0x138/0x258 [ 117.732694][ T5294] do_el0_svc+0x58/0x14c [ 117.733933][ T5294] el0_svc+0x78/0x1e0 [ 117.735088][ T5294] el0t_64_sync_handler+0xcc/0xe4 [ 117.736424][ T5294] el0t_64_sync+0x1a0/0x1a4 [ 117.737738][ T5294] irq event stamp: 81394 [ 117.738896][ T5294] hardirqs last enabled at (81393): [] __up_console_sem+0xb4/0x100 [ 117.741574][ T5294] hardirqs last disabled at (81394): [] el1_dbg+0x24/0x80 [ 117.744023][ T5294] softirqs last enabled at (81374): [] handle_softirqs+0xa4c/0xbf0 [ 117.746808][ T5294] softirqs last disabled at (81287): [] __irq_exit_rcu+0x240/0x440 [ 117.749547][ T5294] ---[ end trace 1ae2b8b8b3c07186 ]--- [ 117.754823][ T5294] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 117.757470][ T5294] btrfs_printk: 106 callbacks suppressed [ 117.757481][ T5294] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:57 executed programs: 22 [ 118.068932][ T5316] loop0: detected capacity change from 0 to 32768 [ 118.111764][ T5316] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5316) [ 118.121611][ T5316] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 118.124286][ T5316] BTRFS info (device loop0): metadata ratio 1025 [ 118.126381][ T5316] BTRFS info (device loop0): doing ref verification [ 118.128560][ T5316] BTRFS info (device loop0): force clearing of disk cache [ 118.130740][ T5316] BTRFS info (device loop0): turning off barriers [ 118.132618][ T5316] BTRFS info (device loop0): setting nodatacow, compression disabled