Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts. 1970/01/01 00:01:26 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:26 ignoring optional flag "type"="gce" 1970/01/01 00:01:27 parsed 1 programs [ 89.487365][ T4463] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 95.738403][ T4492] chnl_net:caif_netlink_parms(): no params data found [ 95.777372][ T4492] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.779542][ T4492] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.782055][ T4492] device bridge_slave_0 entered promiscuous mode [ 95.785663][ T4492] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.787825][ T4492] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.790450][ T4492] device bridge_slave_1 entered promiscuous mode [ 95.805387][ T4492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.811537][ T4492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.826284][ T4492] team0: Port device team_slave_0 added [ 95.829587][ T4492] team0: Port device team_slave_1 added [ 95.843203][ T4492] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.845162][ T4492] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 95.852547][ T4492] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.858906][ T4492] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.860823][ T4492] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 95.867960][ T4492] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.929230][ T4492] device hsr_slave_0 entered promiscuous mode [ 95.977565][ T4492] device hsr_slave_1 entered promiscuous mode [ 96.850853][ T4492] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.880070][ T4492] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.920054][ T4492] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.960937][ T4492] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.090831][ T4492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.101316][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 97.104039][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.111081][ T4492] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.115500][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 97.119740][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.122258][ T721] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.124244][ T721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.133570][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 97.149128][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 97.151983][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.154582][ T721] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.156474][ T721] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.177548][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 97.181858][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 97.188844][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 97.194169][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 97.196980][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 97.208403][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 97.211169][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 97.213767][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 97.221878][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 97.226476][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 97.229560][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 97.234130][ T4492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 97.343671][ T4492] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.349253][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.351459][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.378515][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 97.395870][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 97.406965][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 97.412133][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 97.417429][ T4492] device veth0_vlan entered promiscuous mode [ 97.419472][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 97.421999][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 97.435524][ T4492] device veth1_vlan entered promiscuous mode [ 97.452426][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 97.455078][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 97.458462][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 97.461131][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 97.465479][ T4492] device veth0_macvtap entered promiscuous mode [ 97.470103][ T4492] device veth1_macvtap entered promiscuous mode [ 97.481420][ T4492] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.483457][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 97.486100][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 97.491035][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 97.493784][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 97.498719][ T4492] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.500806][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.503571][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.509125][ T4492] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.511477][ T4492] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.513798][ T4492] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.516017][ T4492] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.531095][ T721] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.533266][ T721] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.536133][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 98.552673][ T721] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.554944][ T721] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.559601][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:38 executed programs: 0 [ 98.837531][ T4665] chnl_net:caif_netlink_parms(): no params data found [ 98.883488][ T4665] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.885436][ T4665] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.898819][ T4665] device bridge_slave_0 entered promiscuous mode [ 98.902419][ T4665] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.904406][ T4665] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.909620][ T4665] device bridge_slave_1 entered promiscuous mode [ 98.928186][ T4665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.932603][ T4665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.948456][ T4665] team0: Port device team_slave_0 added [ 98.952007][ T4665] team0: Port device team_slave_1 added [ 98.966236][ T4665] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.968893][ T4665] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.975878][ T4665] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.982050][ T4665] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.983931][ T4665] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.991169][ T4665] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.050914][ T4665] device hsr_slave_0 entered promiscuous mode [ 99.077862][ T4665] device hsr_slave_1 entered promiscuous mode [ 99.147285][ T4665] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 99.149360][ T4665] Cannot create hsr debugfs directory [ 99.362375][ T4665] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.808193][ T4181] Bluetooth: hci0: command 0x0409 tx timeout [ 102.335092][ T4665] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.518887][ T4665] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.585516][ T4665] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.739644][ T4665] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.800437][ T4665] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.843659][ T4665] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.879733][ T4665] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 102.887978][ T4180] Bluetooth: hci0: command 0x041b tx timeout [ 102.965205][ T4665] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.973285][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 102.975859][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 103.009610][ T4665] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.014041][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 103.016640][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 103.019673][ T721] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.021615][ T721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.024060][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 103.029122][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 103.032147][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 103.034707][ T1601] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.036580][ T1601] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.041741][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 103.046670][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 103.058305][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 103.061648][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 103.064748][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 103.071203][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 103.074075][ T721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 103.081464][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 103.084056][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 103.089023][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 103.092872][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 103.096119][ T4665] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 103.170761][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 103.172949][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 103.179200][ T4665] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.190786][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 103.193571][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 103.205872][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 103.208974][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 103.211649][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 103.214122][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 103.221932][ T4665] device veth0_vlan entered promiscuous mode [ 103.228434][ T4665] device veth1_vlan entered promiscuous mode [ 103.242467][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 103.245151][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 103.248876][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 103.251560][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 103.256908][ T4665] device veth0_macvtap entered promiscuous mode [ 103.262890][ T4665] device veth1_macvtap entered promiscuous mode [ 103.272413][ T4665] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 103.275296][ T4665] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 103.280258][ T4665] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.282546][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 103.285351][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 103.289896][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 103.292699][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 103.299252][ T4665] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 103.302047][ T4665] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 103.305581][ T4665] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.310229][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 103.313050][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 103.318500][ T4665] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.321084][ T4665] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.323436][ T4665] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.325847][ T4665] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.393527][ T143] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.403135][ T143] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.406301][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 103.446143][ T143] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.448777][ T143] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.451657][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 103.678396][ T4890] loop0: detected capacity change from 0 to 32768 [ 103.740175][ T4890] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4890) [ 103.753497][ T4890] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 103.755939][ T4890] BTRFS info (device loop0): setting nodatacow, compression disabled [ 103.758551][ T4890] BTRFS info (device loop0): setting datacow [ 103.760115][ T4890] BTRFS info (device loop0): doing ref verification [ 103.761859][ T4890] BTRFS info (device loop0): force clearing of disk cache [ 103.763747][ T4890] BTRFS info (device loop0): turning off barriers [ 103.765482][ T4890] BTRFS info (device loop0): use zlib compression, level 3 [ 103.769040][ T4890] BTRFS info (device loop0): using free space tree [ 103.770798][ T4890] BTRFS info (device loop0): has skinny extents [ 103.794966][ T4890] BTRFS info (device loop0): clearing free space tree [ 103.797088][ T4890] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 103.803237][ T4890] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 103.822556][ T4890] BTRFS info (device loop0): creating free space tree [ 103.825781][ T4890] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 103.828832][ T4890] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 103.844390][ T4890] FAULT_INJECTION: forcing a failure. [ 103.844390][ T4890] name failslab, interval 1, probability 0, space 0, times 1 [ 103.848850][ T4890] CPU: 0 PID: 4890 Comm: syz.0.15 Not tainted 5.15.182-syzkaller #0 [ 103.851000][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 103.853730][ T4890] Call trace: [ 103.854626][ T4890] dump_backtrace+0x0/0x43c [ 103.855824][ T4890] show_stack+0x2c/0x3c [ 103.856956][ T4890] __dump_stack+0x30/0x40 [ 103.858109][ T4890] dump_stack_lvl+0xf8/0x160 [ 103.859362][ T4890] dump_stack+0x1c/0x5c [ 103.860468][ T4890] should_fail+0x3c0/0x51c [ 103.861664][ T4890] __should_failslab+0xbc/0x10c [ 103.863077][ T4890] should_failslab+0x10/0x28 [ 103.864307][ T4890] slab_pre_alloc_hook+0x64/0xec [ 103.865590][ T4890] kmem_cache_alloc+0x94/0x3e4 [ 103.866902][ T4890] btrfs_alloc_path+0x5c/0x68 [ 103.868144][ T4890] btrfs_insert_dir_item+0x16c/0x3b8 [ 103.869623][ T4890] btrfs_add_link+0x294/0xa68 [ 103.870870][ T4890] btrfs_create+0x45c/0x508 [ 103.872076][ T4890] path_openat+0x1144/0x26e4 [ 103.873267][ T4890] do_filp_open+0x164/0x330 [ 103.874462][ T4890] do_sys_openat2+0x128/0x3d8 [ 103.875755][ T4890] __arm64_sys_openat+0x120/0x154 [ 103.877177][ T4890] invoke_syscall+0x98/0x2b8 [ 103.878430][ T4890] el0_svc_common+0x138/0x258 [ 103.879678][ T4890] do_el0_svc+0x58/0x14c [ 103.880828][ T4890] el0_svc+0x78/0x1e0 [ 103.881897][ T4890] el0t_64_sync_handler+0xcc/0xe4 [ 103.883230][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 103.888467][ T4890] ------------[ cut here ]------------ [ 103.890276][ T4890] WARNING: CPU: 0 PID: 4890 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 103.892540][ T4890] Modules linked in: [ 103.893529][ T4890] CPU: 0 PID: 4890 Comm: syz.0.15 Not tainted 5.15.182-syzkaller #0 [ 103.895627][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 103.898290][ T4890] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 103.900379][ T4890] pc : btrfs_add_link+0x6e8/0xa68 [ 103.901733][ T4890] lr : btrfs_add_link+0x6e8/0xa68 [ 103.903094][ T4890] sp : ffff80001f3e7580 [ 103.904210][ T4890] x29: ffff80001f3e7680 x28: ffff0000de42a210 x27: 0000000000000108 [ 103.906382][ T4890] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 103.908537][ T4890] x23: 0000000000000014 x22: 1fffe0001bc8544d x21: ffff700003e7ceb8 [ 103.910720][ T4890] x20: 00000000fffffff4 x19: ffff0000de42a268 x18: 0000000000000001 [ 103.912899][ T4890] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 103.915058][ T4890] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 103.917233][ T4890] x11: 0000000000000000 x10: 0000000000000000 x9 : 5651abca40185300 [ 103.919401][ T4890] x8 : 5651abca40185300 x7 : 0000000000000001 x6 : 0000000000000001 [ 103.921557][ T4890] x5 : ffff80001f3e6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 103.923720][ T4890] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 103.925954][ T4890] Call trace: [ 103.926824][ T4890] btrfs_add_link+0x6e8/0xa68 [ 103.928070][ T4890] btrfs_create+0x45c/0x508 [ 103.929213][ T4890] path_openat+0x1144/0x26e4 [ 103.930405][ T4890] do_filp_open+0x164/0x330 [ 103.931592][ T4890] do_sys_openat2+0x128/0x3d8 [ 103.932874][ T4890] __arm64_sys_openat+0x120/0x154 [ 103.934246][ T4890] invoke_syscall+0x98/0x2b8 [ 103.935481][ T4890] el0_svc_common+0x138/0x258 [ 103.936748][ T4890] do_el0_svc+0x58/0x14c [ 103.937886][ T4890] el0_svc+0x78/0x1e0 [ 103.939021][ T4890] el0t_64_sync_handler+0xcc/0xe4 [ 103.940347][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 103.941576][ T4890] irq event stamp: 84238 [ 103.942682][ T4890] hardirqs last enabled at (84237): [] __up_console_sem+0xb4/0x100 [ 103.945279][ T4890] hardirqs last disabled at (84238): [] el1_dbg+0x24/0x80 [ 103.947624][ T4890] softirqs last enabled at (84218): [] handle_softirqs+0xa4c/0xbf0 [ 103.950244][ T4890] softirqs last disabled at (84033): [] __irq_exit_rcu+0x240/0x440 [ 103.953027][ T4890] ---[ end trace 96b24f9d0beee63f ]--- [ 103.960504][ T4890] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 103.963041][ T4890] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:44 executed programs: 3 [ 104.278925][ T4912] loop0: detected capacity change from 0 to 32768 [ 104.368198][ T4912] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4912) [ 104.377674][ T4912] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 104.379982][ T4912] BTRFS info (device loop0): setting nodatacow, compression disabled [ 104.382293][ T4912] BTRFS info (device loop0): setting datacow [ 104.383906][ T4912] BTRFS info (device loop0): doing ref verification [ 104.385645][ T4912] BTRFS info (device loop0): force clearing of disk cache [ 104.390639][ T4912] BTRFS info (device loop0): turning off barriers [ 104.392451][ T4912] BTRFS info (device loop0): use zlib compression, level 3 [ 104.394472][ T4912] BTRFS info (device loop0): using free space tree [ 104.396243][ T4912] BTRFS info (device loop0): has skinny extents [ 104.433385][ T4912] BTRFS info (device loop0): clearing free space tree [ 104.435271][ T4912] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 104.441108][ T4912] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 104.447951][ T4912] BTRFS info (device loop0): creating free space tree [ 104.450367][ T4912] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 104.453016][ T4912] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 104.461393][ T4912] FAULT_INJECTION: forcing a failure. [ 104.461393][ T4912] name failslab, interval 1, probability 0, space 0, times 0 [ 104.464879][ T4912] CPU: 0 PID: 4912 Comm: syz.0.16 Tainted: G W 5.15.182-syzkaller #0 [ 104.467410][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 104.470232][ T4912] Call trace: [ 104.471083][ T4912] dump_backtrace+0x0/0x43c [ 104.472288][ T4912] show_stack+0x2c/0x3c [ 104.473421][ T4912] __dump_stack+0x30/0x40 [ 104.474647][ T4912] dump_stack_lvl+0xf8/0x160 [ 104.475898][ T4912] dump_stack+0x1c/0x5c [ 104.477006][ T4912] should_fail+0x3c0/0x51c [ 104.478187][ T4912] __should_failslab+0xbc/0x10c [ 104.479525][ T4912] should_failslab+0x10/0x28 [ 104.480753][ T4912] slab_pre_alloc_hook+0x64/0xec [ 104.482092][ T4912] kmem_cache_alloc+0x94/0x3e4 [ 104.483378][ T4912] security_inode_alloc+0x38/0x11c [ 104.484774][ T4912] inode_init_always+0x670/0xa84 [ 104.486086][ T4912] new_inode_pseudo+0x7c/0x1fc [ 104.487376][ T4912] new_inode+0x38/0x174 [ 104.488501][ T4912] btrfs_new_inode+0x148/0x1538 [ 104.489862][ T4912] btrfs_create+0x248/0x508 [ 104.491011][ T4912] path_openat+0x1144/0x26e4 [ 104.492282][ T4912] do_filp_open+0x164/0x330 [ 104.493493][ T4912] do_sys_openat2+0x128/0x3d8 [ 104.494774][ T4912] __arm64_sys_openat+0x120/0x154 [ 104.496151][ T4912] invoke_syscall+0x98/0x2b8 [ 104.497398][ T4912] el0_svc_common+0x138/0x258 [ 104.498669][ T4912] do_el0_svc+0x58/0x14c [ 104.499827][ T4912] el0_svc+0x78/0x1e0 [ 104.500903][ T4912] el0t_64_sync_handler+0xcc/0xe4 [ 104.502287][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 104.835249][ T4934] loop0: detected capacity change from 0 to 32768 [ 104.879404][ T4934] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4934) [ 104.890488][ T4934] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 104.892809][ T4934] BTRFS info (device loop0): setting nodatacow, compression disabled [ 104.895034][ T4934] BTRFS info (device loop0): setting datacow [ 104.896752][ T4934] BTRFS info (device loop0): doing ref verification [ 104.904084][ T4934] BTRFS info (device loop0): force clearing of disk cache [ 104.906093][ T4934] BTRFS info (device loop0): turning off barriers [ 104.908406][ T4934] BTRFS info (device loop0): use zlib compression, level 3 [ 104.910443][ T4934] BTRFS info (device loop0): using free space tree [ 104.912139][ T4934] BTRFS info (device loop0): has skinny extents [ 104.930956][ T4934] BTRFS info (device loop0): clearing free space tree [ 104.932920][ T4934] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 104.935507][ T4934] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 104.942166][ T4934] BTRFS info (device loop0): creating free space tree [ 104.944650][ T4934] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 104.954021][ T4934] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 104.962790][ T4934] FAULT_INJECTION: forcing a failure. [ 104.962790][ T4934] name failslab, interval 1, probability 0, space 0, times 0 [ 104.966208][ T4934] CPU: 1 PID: 4934 Comm: syz.0.17 Tainted: G W 5.15.182-syzkaller #0 [ 104.968652][ T4934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 104.971359][ T4934] Call trace: [ 104.972213][ T4934] dump_backtrace+0x0/0x43c [ 104.973426][ T4934] show_stack+0x2c/0x3c [ 104.974542][ T4934] __dump_stack+0x30/0x40 [ 104.975723][ T4934] dump_stack_lvl+0xf8/0x160 [ 104.976948][ T4934] dump_stack+0x1c/0x5c [ 104.978095][ T4934] should_fail+0x3c0/0x51c [ 104.979323][ T4934] __should_failslab+0xbc/0x10c [ 104.980622][ T4934] should_failslab+0x10/0x28 [ 104.981833][ T4934] slab_pre_alloc_hook+0x64/0xec [ 104.983166][ T4934] kmem_cache_alloc+0x94/0x3e4 [ 104.984545][ T4934] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 104.986231][ T4934] btrfs_delayed_update_inode+0x3c/0x1b7c [ 104.987805][ T4934] btrfs_update_inode+0x210/0x3d4 [ 104.989162][ T4934] btrfs_create+0x360/0x508 [ 104.990424][ T4934] path_openat+0x1144/0x26e4 [ 104.991750][ T4934] do_filp_open+0x164/0x330 [ 104.992993][ T4934] do_sys_openat2+0x128/0x3d8 [ 104.994289][ T4934] __arm64_sys_openat+0x120/0x154 [ 104.995670][ T4934] invoke_syscall+0x98/0x2b8 [ 104.996912][ T4934] el0_svc_common+0x138/0x258 [ 104.998186][ T4934] do_el0_svc+0x58/0x14c [ 104.999310][ T4934] el0_svc+0x78/0x1e0 [ 105.000364][ T4934] el0t_64_sync_handler+0xcc/0xe4 [ 105.001722][ T4934] el0t_64_sync+0x1a0/0x1a4 [ 105.007752][ T4139] Bluetooth: hci0: command 0x040f tx timeout [ 105.099122][ T4473] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4473) [ 105.336490][ T4956] loop0: detected capacity change from 0 to 32768 [ 105.418333][ T4956] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 105.420806][ T4956] BTRFS info (device loop0): setting nodatacow, compression disabled [ 105.423097][ T4956] BTRFS info (device loop0): setting datacow [ 105.424630][ T4956] BTRFS info (device loop0): doing ref verification [ 105.426508][ T4956] BTRFS info (device loop0): force clearing of disk cache [ 105.428640][ T4956] BTRFS info (device loop0): turning off barriers [ 105.430488][ T4956] BTRFS info (device loop0): use zlib compression, level 3 [ 105.432662][ T4956] BTRFS info (device loop0): using free space tree [ 105.434583][ T4956] BTRFS info (device loop0): has skinny extents [ 105.453354][ T4956] BTRFS info (device loop0): clearing free space tree [ 105.455223][ T4956] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 105.460376][ T4956] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 105.466449][ T4956] BTRFS info (device loop0): creating free space tree [ 105.468958][ T4956] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 105.471681][ T4956] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 105.482584][ T4956] FAULT_INJECTION: forcing a failure. [ 105.482584][ T4956] name failslab, interval 1, probability 0, space 0, times 0 [ 105.486078][ T4956] CPU: 1 PID: 4956 Comm: syz.0.18 Tainted: G W 5.15.182-syzkaller #0 [ 105.488636][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 105.491428][ T4956] Call trace: [ 105.492299][ T4956] dump_backtrace+0x0/0x43c [ 105.493519][ T4956] show_stack+0x2c/0x3c [ 105.494668][ T4956] __dump_stack+0x30/0x40 [ 105.495903][ T4956] dump_stack_lvl+0xf8/0x160 [ 105.497148][ T4956] dump_stack+0x1c/0x5c [ 105.498271][ T4956] should_fail+0x3c0/0x51c [ 105.499503][ T4956] __should_failslab+0xbc/0x10c [ 105.500816][ T4956] should_failslab+0x10/0x28 [ 105.502040][ T4956] slab_pre_alloc_hook+0x64/0xec [ 105.503349][ T4956] kmem_cache_alloc+0x94/0x3e4 [ 105.504733][ T4956] btrfs_alloc_path+0x5c/0x68 [ 105.506004][ T4956] btrfs_insert_dir_item+0x16c/0x3b8 [ 105.507417][ T4956] btrfs_add_link+0x294/0xa68 [ 105.508786][ T4956] btrfs_create+0x45c/0x508 [ 105.510040][ T4956] path_openat+0x1144/0x26e4 [ 105.511227][ T4956] do_filp_open+0x164/0x330 [ 105.512438][ T4956] do_sys_openat2+0x128/0x3d8 [ 105.513710][ T4956] __arm64_sys_openat+0x120/0x154 [ 105.515077][ T4956] invoke_syscall+0x98/0x2b8 [ 105.516338][ T4956] el0_svc_common+0x138/0x258 [ 105.517637][ T4956] do_el0_svc+0x58/0x14c [ 105.518796][ T4956] el0_svc+0x78/0x1e0 [ 105.519877][ T4956] el0t_64_sync_handler+0xcc/0xe4 [ 105.521296][ T4956] el0t_64_sync+0x1a0/0x1a4 [ 105.523771][ T4956] ------------[ cut here ]------------ [ 105.525473][ T4956] WARNING: CPU: 1 PID: 4956 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 105.527913][ T4956] Modules linked in: [ 105.528986][ T4956] CPU: 1 PID: 4956 Comm: syz.0.18 Tainted: G W 5.15.182-syzkaller #0 [ 105.531542][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 105.534262][ T4956] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 105.536357][ T4956] pc : btrfs_add_link+0x6e8/0xa68 [ 105.537679][ T4956] lr : btrfs_add_link+0x6e8/0xa68 [ 105.539049][ T4956] sp : ffff80001f6f7580 [ 105.540188][ T4956] x29: ffff80001f6f7680 x28: ffff0000de6fc790 x27: 0000000000000108 [ 105.542447][ T4956] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 105.544701][ T4956] x23: 0000000000000014 x22: 1fffe0001bcdf8fd x21: ffff700003edeeb8 [ 105.546880][ T4956] x20: 00000000fffffff4 x19: ffff0000de6fc7e8 x18: 0000000000000001 [ 105.549112][ T4956] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 105.551379][ T4956] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 105.553574][ T4956] x11: 0000000000000000 x10: 0000000000000000 x9 : c984ec7908b75300 [ 105.555887][ T4956] x8 : c984ec7908b75300 x7 : 0000000000000001 x6 : 0000000000000001 [ 105.558109][ T4956] x5 : ffff80001f6f6e78 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 105.560330][ T4956] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 105.562565][ T4956] Call trace: [ 105.563501][ T4956] btrfs_add_link+0x6e8/0xa68 [ 105.564853][ T4956] btrfs_create+0x45c/0x508 [ 105.566055][ T4956] path_openat+0x1144/0x26e4 [ 105.567249][ T4956] do_filp_open+0x164/0x330 [ 105.568573][ T4956] do_sys_openat2+0x128/0x3d8 [ 105.569880][ T4956] __arm64_sys_openat+0x120/0x154 [ 105.571260][ T4956] invoke_syscall+0x98/0x2b8 [ 105.572509][ T4956] el0_svc_common+0x138/0x258 [ 105.573725][ T4956] do_el0_svc+0x58/0x14c [ 105.574889][ T4956] el0_svc+0x78/0x1e0 [ 105.575983][ T4956] el0t_64_sync_handler+0xcc/0xe4 [ 105.577286][ T4956] el0t_64_sync+0x1a0/0x1a4 [ 105.578506][ T4956] irq event stamp: 81878 [ 105.579624][ T4956] hardirqs last enabled at (81877): [] __up_console_sem+0xb4/0x100 [ 105.582224][ T4956] hardirqs last disabled at (81878): [] el1_dbg+0x24/0x80 [ 105.584553][ T4956] softirqs last enabled at (81858): [] handle_softirqs+0xa4c/0xbf0 [ 105.587185][ T4956] softirqs last disabled at (81799): [] __irq_exit_rcu+0x240/0x440 [ 105.589761][ T4956] ---[ end trace 96b24f9d0beee640 ]--- [ 105.591854][ T4956] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 105.594280][ T4956] BTRFS info (device loop0): forced readonly [ 105.851426][ T4979] loop0: detected capacity change from 0 to 32768 [ 105.899978][ T4979] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4979) [ 105.908640][ T4979] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 105.911070][ T4979] BTRFS info (device loop0): setting nodatacow, compression disabled [ 105.913236][ T4979] BTRFS info (device loop0): setting datacow [ 105.914836][ T4979] BTRFS info (device loop0): doing ref verification [ 105.916541][ T4979] BTRFS info (device loop0): force clearing of disk cache [ 105.920243][ T4979] BTRFS info (device loop0): turning off barriers [ 105.922015][ T4979] BTRFS info (device loop0): use zlib compression, level 3 [ 105.923995][ T4979] BTRFS info (device loop0): using free space tree [ 105.926064][ T4979] BTRFS info (device loop0): has skinny extents [ 105.943656][ T4979] BTRFS info (device loop0): clearing free space tree [ 105.945531][ T4979] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 105.948357][ T4979] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 105.954176][ T4979] BTRFS info (device loop0): creating free space tree [ 105.956485][ T4979] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 105.959796][ T4979] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 105.976801][ T4979] FAULT_INJECTION: forcing a failure. [ 105.976801][ T4979] name failslab, interval 1, probability 0, space 0, times 0 [ 105.980576][ T4979] CPU: 0 PID: 4979 Comm: syz.0.19 Tainted: G W 5.15.182-syzkaller #0 [ 105.983202][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 105.986045][ T4979] Call trace: [ 105.986913][ T4979] dump_backtrace+0x0/0x43c [ 105.988108][ T4979] show_stack+0x2c/0x3c [ 105.989239][ T4979] __dump_stack+0x30/0x40 [ 105.990414][ T4979] dump_stack_lvl+0xf8/0x160 [ 105.991676][ T4979] dump_stack+0x1c/0x5c [ 105.992831][ T4979] should_fail+0x3c0/0x51c [ 105.994060][ T4979] __should_failslab+0xbc/0x10c [ 105.995356][ T4979] should_failslab+0x10/0x28 [ 105.996590][ T4979] slab_pre_alloc_hook+0x64/0xec [ 105.997962][ T4979] kmem_cache_alloc+0x94/0x3e4 [ 105.999255][ T4979] security_inode_alloc+0x38/0x11c [ 106.000672][ T4979] inode_init_always+0x670/0xa84 [ 106.002034][ T4979] new_inode_pseudo+0x7c/0x1fc [ 106.003386][ T4979] new_inode+0x38/0x174 [ 106.004556][ T4979] btrfs_new_inode+0x148/0x1538 [ 106.005873][ T4979] btrfs_create+0x248/0x508 [ 106.007124][ T4979] path_openat+0x1144/0x26e4 [ 106.008433][ T4979] do_filp_open+0x164/0x330 [ 106.009598][ T4979] do_sys_openat2+0x128/0x3d8 [ 106.010906][ T4979] __arm64_sys_openat+0x120/0x154 [ 106.012291][ T4979] invoke_syscall+0x98/0x2b8 [ 106.013586][ T4979] el0_svc_common+0x138/0x258 [ 106.014861][ T4979] do_el0_svc+0x58/0x14c [ 106.016080][ T4979] el0_svc+0x78/0x1e0 [ 106.017135][ T4979] el0t_64_sync_handler+0xcc/0xe4 [ 106.018458][ T4979] el0t_64_sync+0x1a0/0x1a4 [ 106.289129][ T9] device hsr_slave_0 left promiscuous mode [ 106.337730][ T9] device hsr_slave_1 left promiscuous mode [ 106.364814][ T5001] loop0: detected capacity change from 0 to 32768 [ 106.427429][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 106.429580][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 106.432182][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 106.434238][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 106.436702][ T9] device bridge_slave_1 left promiscuous mode [ 106.439386][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.456837][ T5001] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5001) [ 106.464391][ T5001] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 106.466680][ T5001] BTRFS info (device loop0): setting nodatacow, compression disabled [ 106.469327][ T5001] BTRFS info (device loop0): setting datacow [ 106.471085][ T5001] BTRFS info (device loop0): doing ref verification [ 106.472820][ T5001] BTRFS info (device loop0): force clearing of disk cache [ 106.474708][ T5001] BTRFS info (device loop0): turning off barriers [ 106.476431][ T5001] BTRFS info (device loop0): use zlib compression, level 3 [ 106.479225][ T5001] BTRFS info (device loop0): using free space tree [ 106.480994][ T5001] BTRFS info (device loop0): has skinny extents [ 106.481519][ T9] device bridge_slave_0 left promiscuous mode [ 106.484328][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.504362][ T5001] BTRFS info (device loop0): clearing free space tree [ 106.506299][ T5001] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 106.509041][ T5001] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 106.515640][ T5001] BTRFS info (device loop0): creating free space tree [ 106.520715][ T5001] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 106.523449][ T5001] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 106.531074][ T5001] FAULT_INJECTION: forcing a failure. [ 106.531074][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 106.534714][ T5001] CPU: 1 PID: 5001 Comm: syz.0.20 Tainted: G W 5.15.182-syzkaller #0 [ 106.537252][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 106.539982][ T5001] Call trace: [ 106.540853][ T5001] dump_backtrace+0x0/0x43c [ 106.542075][ T5001] show_stack+0x2c/0x3c [ 106.543184][ T5001] __dump_stack+0x30/0x40 [ 106.544374][ T5001] dump_stack_lvl+0xf8/0x160 [ 106.545626][ T5001] dump_stack+0x1c/0x5c [ 106.546761][ T5001] should_fail+0x3c0/0x51c [ 106.547915][ T5001] __should_failslab+0xbc/0x10c [ 106.549281][ T5001] should_failslab+0x10/0x28 [ 106.550568][ T5001] slab_pre_alloc_hook+0x64/0xec [ 106.551891][ T5001] kmem_cache_alloc+0x94/0x3e4 [ 106.553180][ T5001] btrfs_alloc_path+0x5c/0x68 [ 106.554452][ T5001] btrfs_insert_dir_item+0x16c/0x3b8 [ 106.555900][ T5001] btrfs_add_link+0x294/0xa68 [ 106.557210][ T5001] btrfs_create+0x45c/0x508 [ 106.558442][ T5001] path_openat+0x1144/0x26e4 [ 106.559645][ T5001] do_filp_open+0x164/0x330 [ 106.560894][ T5001] do_sys_openat2+0x128/0x3d8 [ 106.562185][ T5001] __arm64_sys_openat+0x120/0x154 [ 106.563540][ T5001] invoke_syscall+0x98/0x2b8 [ 106.564833][ T5001] el0_svc_common+0x138/0x258 [ 106.566062][ T5001] do_el0_svc+0x58/0x14c [ 106.567176][ T5001] el0_svc+0x78/0x1e0 [ 106.568304][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 106.569629][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 106.573544][ T5001] ------------[ cut here ]------------ [ 106.575266][ T5001] WARNING: CPU: 1 PID: 5001 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 106.577695][ T5001] Modules linked in: [ 106.578744][ T5001] CPU: 1 PID: 5001 Comm: syz.0.20 Tainted: G W 5.15.182-syzkaller #0 [ 106.581330][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 106.584119][ T5001] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 106.586234][ T5001] pc : btrfs_add_link+0x6e8/0xa68 [ 106.587552][ T5001] lr : btrfs_add_link+0x6e8/0xa68 [ 106.588899][ T5001] sp : ffff80001faa7580 [ 106.589986][ T5001] x29: ffff80001faa7680 x28: ffff0000de6fcc60 x27: 0000000000000108 [ 106.592186][ T5001] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 106.594420][ T5001] x23: 0000000000000014 x22: 1fffe0001bcdf997 x21: ffff700003f54eb8 [ 106.596586][ T5001] x20: 00000000fffffff4 x19: ffff0000de6fccb8 x18: 0000000000000001 [ 106.598765][ T5001] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 106.600932][ T5001] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 106.603104][ T5001] x11: 0000000000000000 x10: 0000000000000000 x9 : 458fa4c9e6e99200 [ 106.605253][ T5001] x8 : 458fa4c9e6e99200 x7 : 0000000000000001 x6 : 0000000000000001 [ 106.607498][ T5001] x5 : ffff80001faa6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 106.609658][ T5001] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 106.611820][ T5001] Call trace: [ 106.612767][ T5001] btrfs_add_link+0x6e8/0xa68 [ 106.614081][ T5001] btrfs_create+0x45c/0x508 [ 106.615341][ T5001] path_openat+0x1144/0x26e4 [ 106.616583][ T5001] do_filp_open+0x164/0x330 [ 106.617817][ T5001] do_sys_openat2+0x128/0x3d8 [ 106.619129][ T5001] __arm64_sys_openat+0x120/0x154 [ 106.620512][ T5001] invoke_syscall+0x98/0x2b8 [ 106.621777][ T5001] el0_svc_common+0x138/0x258 [ 106.623080][ T5001] do_el0_svc+0x58/0x14c [ 106.624304][ T5001] el0_svc+0x78/0x1e0 [ 106.625420][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 106.626829][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 106.628049][ T5001] irq event stamp: 82348 [ 106.629213][ T5001] hardirqs last enabled at (82347): [] __up_console_sem+0xb4/0x100 [ 106.631929][ T5001] hardirqs last disabled at (82348): [] el1_dbg+0x24/0x80 [ 106.634272][ T5001] softirqs last enabled at (82328): [] handle_softirqs+0xa4c/0xbf0 [ 106.636931][ T5001] softirqs last disabled at (82295): [] __irq_exit_rcu+0x240/0x440 [ 106.639560][ T5001] ---[ end trace 96b24f9d0beee641 ]--- [ 106.644131][ T5001] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 106.646645][ T5001] BTRFS info (device loop0): forced readonly [ 106.679056][ T9] device veth1_macvtap left promiscuous mode [ 106.680923][ T9] device veth0_macvtap left promiscuous mode [ 106.682577][ T9] device veth1_vlan left promiscuous mode [ 106.684218][ T9] device veth0_vlan left promiscuous mode [ 107.021578][ T5023] loop0: detected capacity change from 0 to 32768 [ 107.047634][ T4138] Bluetooth: hci0: command 0x0419 tx timeout [ 107.100227][ T5023] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5023) [ 107.156986][ T9] team0 (unregistering): Port device team_slave_1 removed [ 107.164338][ T5023] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 107.168507][ T5023] BTRFS info (device loop0): setting nodatacow, compression disabled [ 107.170916][ T5023] BTRFS info (device loop0): setting datacow [ 107.172630][ T5023] BTRFS info (device loop0): doing ref verification [ 107.174381][ T5023] BTRFS info (device loop0): force clearing of disk cache [ 107.176271][ T5023] BTRFS info (device loop0): turning off barriers [ 107.183030][ T5023] BTRFS info (device loop0): use zlib compression, level 3 [ 107.183249][ T9] team0 (unregistering): Port device team_slave_0 removed [ 107.194256][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 107.226152][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 107.243326][ T5023] FAULT_INJECTION: forcing a failure. [ 107.243326][ T5023] name failslab, interval 1, probability 0, space 0, times 0 [ 107.246943][ T5023] CPU: 0 PID: 5023 Comm: syz.0.21 Tainted: G W 5.15.182-syzkaller #0 [ 107.249473][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.252155][ T5023] Call trace: [ 107.253022][ T5023] dump_backtrace+0x0/0x43c [ 107.254263][ T5023] show_stack+0x2c/0x3c [ 107.255406][ T5023] __dump_stack+0x30/0x40 [ 107.256545][ T5023] dump_stack_lvl+0xf8/0x160 [ 107.257828][ T5023] dump_stack+0x1c/0x5c [ 107.258959][ T5023] should_fail+0x3c0/0x51c [ 107.260181][ T5023] __should_failslab+0xbc/0x10c [ 107.261503][ T5023] should_failslab+0x10/0x28 [ 107.262704][ T5023] slab_pre_alloc_hook+0x64/0xec [ 107.264004][ T5023] kmem_cache_alloc+0x94/0x3e4 [ 107.265266][ T5023] btrfs_alloc_path+0x5c/0x68 [ 107.266523][ T5023] btrfs_insert_dir_item+0x16c/0x3b8 [ 107.268012][ T5023] btrfs_add_link+0x294/0xa68 [ 107.269253][ T5023] btrfs_create+0x45c/0x508 [ 107.270485][ T5023] path_openat+0x1144/0x26e4 [ 107.271737][ T5023] do_filp_open+0x164/0x330 [ 107.272974][ T5023] do_sys_openat2+0x128/0x3d8 [ 107.274207][ T5023] __arm64_sys_openat+0x120/0x154 [ 107.275544][ T5023] invoke_syscall+0x98/0x2b8 [ 107.276831][ T5023] el0_svc_common+0x138/0x258 [ 107.278098][ T5023] do_el0_svc+0x58/0x14c [ 107.279237][ T5023] el0_svc+0x78/0x1e0 [ 107.280288][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 107.281628][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 107.289673][ T5023] ------------[ cut here ]------------ [ 107.291356][ T5023] WARNING: CPU: 0 PID: 5023 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 107.293813][ T5023] Modules linked in: [ 107.294821][ T5023] CPU: 0 PID: 5023 Comm: syz.0.21 Tainted: G W 5.15.182-syzkaller #0 [ 107.297414][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.300127][ T5023] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.302263][ T5023] pc : btrfs_add_link+0x6e8/0xa68 [ 107.303608][ T5023] lr : btrfs_add_link+0x6e8/0xa68 [ 107.305000][ T5023] sp : ffff80001fcc7580 [ 107.306138][ T5023] x29: ffff80001fcc7680 x28: ffff0000de42ab00 x27: 0000000000000108 [ 107.308278][ T5023] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 107.310433][ T5023] x23: 0000000000000014 x22: 1fffe0001bc8556b x21: ffff700003f98eb8 [ 107.312696][ T5023] x20: 00000000fffffff4 x19: ffff0000de42ab58 x18: 0000000000000001 [ 107.314881][ T5023] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 107.317246][ T5023] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.319558][ T5023] x11: 0000000000000000 x10: 0000000000000000 x9 : 189ded615da17d00 [ 107.321790][ T5023] x8 : 189ded615da17d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.324050][ T5023] x5 : ffff80001fcc6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 107.326303][ T5023] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.328419][ T5023] Call trace: [ 107.329340][ T5023] btrfs_add_link+0x6e8/0xa68 [ 107.330613][ T5023] btrfs_create+0x45c/0x508 [ 107.331935][ T5023] path_openat+0x1144/0x26e4 [ 107.333170][ T5023] do_filp_open+0x164/0x330 [ 107.334394][ T5023] do_sys_openat2+0x128/0x3d8 [ 107.335704][ T5023] __arm64_sys_openat+0x120/0x154 [ 107.337085][ T5023] invoke_syscall+0x98/0x2b8 [ 107.338348][ T5023] el0_svc_common+0x138/0x258 [ 107.339616][ T5023] do_el0_svc+0x58/0x14c [ 107.340737][ T5023] el0_svc+0x78/0x1e0 [ 107.341872][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 107.343234][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 107.344447][ T5023] irq event stamp: 83102 [ 107.345626][ T5023] hardirqs last enabled at (83101): [] __up_console_sem+0xb4/0x100 [ 107.348274][ T5023] hardirqs last disabled at (83102): [] el1_dbg+0x24/0x80 [ 107.350665][ T5023] softirqs last enabled at (83082): [] handle_softirqs+0xa4c/0xbf0 [ 107.353303][ T5023] softirqs last disabled at (83057): [] __irq_exit_rcu+0x240/0x440 [ 107.355837][ T5023] ---[ end trace 96b24f9d0beee642 ]--- [ 107.359048][ T5023] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 107.532805][ T9] bond0 (unregistering): Released all slaves [ 107.714615][ T5046] loop0: detected capacity change from 0 to 32768 [ 107.726663][ T5046] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5046) [ 107.764162][ T5046] FAULT_INJECTION: forcing a failure. [ 107.764162][ T5046] name failslab, interval 1, probability 0, space 0, times 0 [ 107.767891][ T5046] CPU: 1 PID: 5046 Comm: syz.0.22 Tainted: G W 5.15.182-syzkaller #0 [ 107.770507][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.773283][ T5046] Call trace: [ 107.774186][ T5046] dump_backtrace+0x0/0x43c [ 107.775432][ T5046] show_stack+0x2c/0x3c [ 107.776513][ T5046] __dump_stack+0x30/0x40 [ 107.777726][ T5046] dump_stack_lvl+0xf8/0x160 [ 107.779010][ T5046] dump_stack+0x1c/0x5c [ 107.780159][ T5046] should_fail+0x3c0/0x51c [ 107.781370][ T5046] __should_failslab+0xbc/0x10c [ 107.782713][ T5046] should_failslab+0x10/0x28 [ 107.783947][ T5046] slab_pre_alloc_hook+0x64/0xec [ 107.785277][ T5046] kmem_cache_alloc+0x94/0x3e4 [ 107.786537][ T5046] btrfs_alloc_path+0x5c/0x68 [ 107.787913][ T5046] btrfs_insert_dir_item+0x16c/0x3b8 [ 107.789408][ T5046] btrfs_add_link+0x294/0xa68 [ 107.790684][ T5046] btrfs_create+0x45c/0x508 [ 107.791913][ T5046] path_openat+0x1144/0x26e4 [ 107.793197][ T5046] do_filp_open+0x164/0x330 [ 107.794456][ T5046] do_sys_openat2+0x128/0x3d8 [ 107.795766][ T5046] __arm64_sys_openat+0x120/0x154 [ 107.797108][ T5046] invoke_syscall+0x98/0x2b8 [ 107.798419][ T5046] el0_svc_common+0x138/0x258 [ 107.799742][ T5046] do_el0_svc+0x58/0x14c [ 107.800865][ T5046] el0_svc+0x78/0x1e0 [ 107.801917][ T5046] el0t_64_sync_handler+0xcc/0xe4 [ 107.803335][ T5046] el0t_64_sync+0x1a0/0x1a4 [ 107.807365][ T5046] ------------[ cut here ]------------ [ 107.809161][ T5046] WARNING: CPU: 1 PID: 5046 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 107.811592][ T5046] Modules linked in: [ 107.812647][ T5046] CPU: 1 PID: 5046 Comm: syz.0.22 Tainted: G W 5.15.182-syzkaller #0 [ 107.815201][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.817994][ T5046] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.820174][ T5046] pc : btrfs_add_link+0x6e8/0xa68 [ 107.821593][ T5046] lr : btrfs_add_link+0x6e8/0xa68 [ 107.822984][ T5046] sp : ffff80001fcc7580 [ 107.824125][ T5046] x29: ffff80001fcc7680 x28: ffff0000de6fcf20 x27: 0000000000000108 [ 107.826354][ T5046] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 107.828602][ T5046] x23: 0000000000000014 x22: 1fffe0001bcdf9ef x21: ffff700003f98eb8 [ 107.830798][ T5046] x20: 00000000fffffff4 x19: ffff0000de6fcf78 x18: 0000000000000001 [ 107.832951][ T5046] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 107.835211][ T5046] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.837355][ T5046] x11: 0000000000000000 x10: 0000000000000000 x9 : ee47938b1d635800 [ 107.839559][ T5046] x8 : ee47938b1d635800 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.841756][ T5046] x5 : ffff80001fcc6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 107.843981][ T5046] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.846137][ T5046] Call trace: [ 107.847051][ T5046] btrfs_add_link+0x6e8/0xa68 [ 107.848345][ T5046] btrfs_create+0x45c/0x508 [ 107.849575][ T5046] path_openat+0x1144/0x26e4 [ 107.850829][ T5046] do_filp_open+0x164/0x330 [ 107.852048][ T5046] do_sys_openat2+0x128/0x3d8 [ 107.853327][ T5046] __arm64_sys_openat+0x120/0x154 [ 107.854729][ T5046] invoke_syscall+0x98/0x2b8 [ 107.856015][ T5046] el0_svc_common+0x138/0x258 [ 107.857305][ T5046] do_el0_svc+0x58/0x14c [ 107.858445][ T5046] el0_svc+0x78/0x1e0 [ 107.859497][ T5046] el0t_64_sync_handler+0xcc/0xe4 [ 107.860862][ T5046] el0t_64_sync+0x1a0/0x1a4 [ 107.862051][ T5046] irq event stamp: 82642 [ 107.863187][ T5046] hardirqs last enabled at (82641): [] __up_console_sem+0xb4/0x100 [ 107.865804][ T5046] hardirqs last disabled at (82642): [] el1_dbg+0x24/0x80 [ 107.868169][ T5046] softirqs last enabled at (82620): [] handle_softirqs+0xa4c/0xbf0 [ 107.870856][ T5046] softirqs last disabled at (82497): [] __irq_exit_rcu+0x240/0x440 [ 107.873473][ T5046] ---[ end trace 96b24f9d0beee643 ]--- [ 107.878475][ T5046] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 108.171920][ T5071] loop0: detected capacity change from 0 to 32768 [ 108.226706][ T5071] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5071) [ 108.266314][ T5071] FAULT_INJECTION: forcing a failure. [ 108.266314][ T5071] name failslab, interval 1, probability 0, space 0, times 0 [ 108.270662][ T5071] CPU: 1 PID: 5071 Comm: syz.0.23 Tainted: G W 5.15.182-syzkaller #0 [ 108.273071][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.275721][ T5071] Call trace: [ 108.276581][ T5071] dump_backtrace+0x0/0x43c [ 108.277779][ T5071] show_stack+0x2c/0x3c [ 108.278867][ T5071] __dump_stack+0x30/0x40 [ 108.279998][ T5071] dump_stack_lvl+0xf8/0x160 [ 108.281274][ T5071] dump_stack+0x1c/0x5c [ 108.282356][ T5071] should_fail+0x3c0/0x51c [ 108.283513][ T5071] __should_failslab+0xbc/0x10c [ 108.284914][ T5071] should_failslab+0x10/0x28 [ 108.286127][ T5071] slab_pre_alloc_hook+0x64/0xec [ 108.287502][ T5071] kmem_cache_alloc+0x94/0x3e4 [ 108.288795][ T5071] btrfs_alloc_inode+0x54/0x3ac [ 108.290139][ T5071] new_inode_pseudo+0x68/0x1fc [ 108.291419][ T5071] new_inode+0x38/0x174 [ 108.292482][ T5071] btrfs_new_inode+0x148/0x1538 [ 108.293755][ T5071] btrfs_create+0x248/0x508 [ 108.294955][ T5071] path_openat+0x1144/0x26e4 [ 108.296164][ T5071] do_filp_open+0x164/0x330 [ 108.297348][ T5071] do_sys_openat2+0x128/0x3d8 [ 108.298595][ T5071] __arm64_sys_openat+0x120/0x154 [ 108.299969][ T5071] invoke_syscall+0x98/0x2b8 [ 108.301171][ T5071] el0_svc_common+0x138/0x258 [ 108.302439][ T5071] do_el0_svc+0x58/0x14c [ 108.303552][ T5071] el0_svc+0x78/0x1e0 [ 108.304628][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 108.306003][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 108.425795][ T4473] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4473) [ 108.623082][ T5092] loop0: detected capacity change from 0 to 32768 [ 108.664283][ T5092] FAULT_INJECTION: forcing a failure. [ 108.664283][ T5092] name failslab, interval 1, probability 0, space 0, times 0 [ 108.667947][ T5092] CPU: 1 PID: 5092 Comm: syz.0.24 Tainted: G W 5.15.182-syzkaller #0 [ 108.670464][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.673155][ T5092] Call trace: [ 108.674049][ T5092] dump_backtrace+0x0/0x43c [ 108.675239][ T5092] show_stack+0x2c/0x3c [ 108.676374][ T5092] __dump_stack+0x30/0x40 [ 108.677628][ T5092] dump_stack_lvl+0xf8/0x160 [ 108.678868][ T5092] dump_stack+0x1c/0x5c [ 108.679977][ T5092] should_fail+0x3c0/0x51c [ 108.681173][ T5092] __should_failslab+0xbc/0x10c [ 108.682475][ T5092] should_failslab+0x10/0x28 [ 108.683684][ T5092] slab_pre_alloc_hook+0x64/0xec [ 108.684994][ T5092] kmem_cache_alloc+0x94/0x3e4 [ 108.686362][ T5092] btrfs_alloc_path+0x5c/0x68 [ 108.687619][ T5092] btrfs_insert_dir_item+0x16c/0x3b8 [ 108.689014][ T5092] btrfs_add_link+0x294/0xa68 [ 108.690289][ T5092] btrfs_create+0x45c/0x508 [ 108.691581][ T5092] path_openat+0x1144/0x26e4 [ 108.692792][ T5092] do_filp_open+0x164/0x330 [ 108.693992][ T5092] do_sys_openat2+0x128/0x3d8 [ 108.695214][ T5092] __arm64_sys_openat+0x120/0x154 [ 108.696578][ T5092] invoke_syscall+0x98/0x2b8 [ 108.697801][ T5092] el0_svc_common+0x138/0x258 [ 108.699031][ T5092] do_el0_svc+0x58/0x14c [ 108.700128][ T5092] el0_svc+0x78/0x1e0 [ 108.701217][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 108.702517][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 108.707491][ T5092] ------------[ cut here ]------------ [ 108.709259][ T5092] WARNING: CPU: 1 PID: 5092 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 108.711699][ T5092] Modules linked in: [ 108.712770][ T5092] CPU: 1 PID: 5092 Comm: syz.0.24 Tainted: G W 5.15.182-syzkaller #0 [ 108.715181][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.717855][ T5092] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.719957][ T5092] pc : btrfs_add_link+0x6e8/0xa68 [ 108.721339][ T5092] lr : btrfs_add_link+0x6e8/0xa68 [ 108.722713][ T5092] sp : ffff800020047580 [ 108.723769][ T5092] x29: ffff800020047680 x28: ffff0000dcbd74d0 x27: 0000000000000108 [ 108.725987][ T5092] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 108.728127][ T5092] x23: 0000000000000014 x22: 1fffe0001b97aea5 x21: ffff700004008eb8 [ 108.730225][ T5092] x20: 00000000fffffff4 x19: ffff0000dcbd7528 x18: 0000000000000001 [ 108.732313][ T5092] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 108.734412][ T5092] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.736547][ T5092] x11: 0000000000000000 x10: 0000000000000000 x9 : fe3a1b436cac4600 [ 108.738784][ T5092] x8 : fe3a1b436cac4600 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.740911][ T5092] x5 : ffff800020046e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 108.743055][ T5092] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.745142][ T5092] Call trace: [ 108.745998][ T5092] btrfs_add_link+0x6e8/0xa68 [ 108.747212][ T5092] btrfs_create+0x45c/0x508 [ 108.748398][ T5092] path_openat+0x1144/0x26e4 [ 108.749599][ T5092] do_filp_open+0x164/0x330 [ 108.750793][ T5092] do_sys_openat2+0x128/0x3d8 [ 108.752032][ T5092] __arm64_sys_openat+0x120/0x154 [ 108.753345][ T5092] invoke_syscall+0x98/0x2b8 [ 108.754577][ T5092] el0_svc_common+0x138/0x258 [ 108.755828][ T5092] do_el0_svc+0x58/0x14c [ 108.756974][ T5092] el0_svc+0x78/0x1e0 [ 108.758023][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 108.759374][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 108.760564][ T5092] irq event stamp: 83874 [ 108.761719][ T5092] hardirqs last enabled at (83873): [] __up_console_sem+0xb4/0x100 [ 108.764310][ T5092] hardirqs last disabled at (83874): [] el1_dbg+0x24/0x80 [ 108.766710][ T5092] softirqs last enabled at (83854): [] handle_softirqs+0xa4c/0xbf0 [ 108.769274][ T5092] softirqs last disabled at (83837): [] __irq_exit_rcu+0x240/0x440 [ 108.771912][ T5092] ---[ end trace 96b24f9d0beee644 ]--- [ 108.774872][ T5092] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 108.778742][ T5092] btrfs_printk: 55 callbacks suppressed [ 108.778751][ T5092] BTRFS info (device loop0): forced readonly [ 109.144511][ T5114] loop0: detected capacity change from 0 to 32768 [ 109.153603][ T5114] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5114) [ 109.160550][ T5114] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.162943][ T5114] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.165491][ T5114] BTRFS info (device loop0): setting datacow [ 109.168109][ T5114] BTRFS info (device loop0): doing ref verification [ 109.170377][ T5114] BTRFS info (device loop0): force clearing of disk cache [ 109.172632][ T5114] BTRFS info (device loop0): turning off barriers [ 109.174672][ T5114] BTRFS info (device loop0): use zlib compression, level 3 [ 109.179052][ T5114] BTRFS info (device loop0): using free space tree [ 109.181174][ T5114] BTRFS info (device loop0): has skinny extents [ 109.220381][ T5114] BTRFS info (device loop0): clearing free space tree [ 109.222428][ T5114] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.225018][ T5114] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.241427][ T5114] BTRFS info (device loop0): creating free space tree [ 109.243905][ T5114] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.246393][ T5114] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.270631][ T5114] FAULT_INJECTION: forcing a failure. [ 109.270631][ T5114] name failslab, interval 1, probability 0, space 0, times 0 [ 109.274122][ T5114] CPU: 1 PID: 5114 Comm: syz.0.25 Tainted: G W 5.15.182-syzkaller #0 [ 109.276510][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.279287][ T5114] Call trace: [ 109.280171][ T5114] dump_backtrace+0x0/0x43c [ 109.281396][ T5114] show_stack+0x2c/0x3c [ 109.282500][ T5114] __dump_stack+0x30/0x40 [ 109.283639][ T5114] dump_stack_lvl+0xf8/0x160 [ 109.284852][ T5114] dump_stack+0x1c/0x5c [ 109.285957][ T5114] should_fail+0x3c0/0x51c [ 109.287151][ T5114] __should_failslab+0xbc/0x10c [ 109.288422][ T5114] should_failslab+0x10/0x28 [ 109.289696][ T5114] slab_pre_alloc_hook+0x64/0xec [ 109.291086][ T5114] kmem_cache_alloc+0x94/0x3e4 [ 109.292376][ T5114] btrfs_alloc_path+0x5c/0x68 [ 109.293662][ T5114] btrfs_insert_dir_item+0x16c/0x3b8 [ 109.295136][ T5114] btrfs_add_link+0x294/0xa68 [ 109.296439][ T5114] btrfs_create+0x45c/0x508 [ 109.297633][ T5114] path_openat+0x1144/0x26e4 [ 109.298894][ T5114] do_filp_open+0x164/0x330 [ 109.300126][ T5114] do_sys_openat2+0x128/0x3d8 [ 109.301430][ T5114] __arm64_sys_openat+0x120/0x154 [ 109.302830][ T5114] invoke_syscall+0x98/0x2b8 [ 109.304067][ T5114] el0_svc_common+0x138/0x258 [ 109.305333][ T5114] do_el0_svc+0x58/0x14c [ 109.306472][ T5114] el0_svc+0x78/0x1e0 [ 109.307593][ T5114] el0t_64_sync_handler+0xcc/0xe4 [ 109.308973][ T5114] el0t_64_sync+0x1a0/0x1a4 [ 109.312893][ T5114] ------------[ cut here ]------------ [ 109.314594][ T5114] WARNING: CPU: 1 PID: 5114 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 109.317054][ T5114] Modules linked in: [ 109.318095][ T5114] CPU: 1 PID: 5114 Comm: syz.0.25 Tainted: G W 5.15.182-syzkaller #0 [ 109.320692][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.323532][ T5114] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.325655][ T5114] pc : btrfs_add_link+0x6e8/0xa68 [ 109.326985][ T5114] lr : btrfs_add_link+0x6e8/0xa68 [ 109.328368][ T5114] sp : ffff80001fca7580 [ 109.329484][ T5114] x29: ffff80001fca7680 x28: ffff0000dcbd7790 x27: 0000000000000108 [ 109.331705][ T5114] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 109.333911][ T5114] x23: 0000000000000014 x22: 1fffe0001b97aefd x21: ffff700003f94eb8 [ 109.336054][ T5114] x20: 00000000fffffff4 x19: ffff0000dcbd77e8 x18: 0000000000000001 [ 109.338295][ T5114] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 109.340497][ T5114] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.342669][ T5114] x11: 0000000000000000 x10: 0000000000000000 x9 : 5a2755d5b1be1700 [ 109.344938][ T5114] x8 : 5a2755d5b1be1700 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.347131][ T5114] x5 : ffff80001fca6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 109.349391][ T5114] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.351491][ T5114] Call trace: [ 109.352407][ T5114] btrfs_add_link+0x6e8/0xa68 [ 109.353599][ T5114] btrfs_create+0x45c/0x508 [ 109.354905][ T5114] path_openat+0x1144/0x26e4 [ 109.356139][ T5114] do_filp_open+0x164/0x330 [ 109.357352][ T5114] do_sys_openat2+0x128/0x3d8 [ 109.358712][ T5114] __arm64_sys_openat+0x120/0x154 [ 109.360072][ T5114] invoke_syscall+0x98/0x2b8 [ 109.361318][ T5114] el0_svc_common+0x138/0x258 [ 109.362577][ T5114] do_el0_svc+0x58/0x14c [ 109.363717][ T5114] el0_svc+0x78/0x1e0 [ 109.364816][ T5114] el0t_64_sync_handler+0xcc/0xe4 [ 109.366200][ T5114] el0t_64_sync+0x1a0/0x1a4 [ 109.367459][ T5114] irq event stamp: 82176 [ 109.368561][ T5114] hardirqs last enabled at (82175): [] __up_console_sem+0xb4/0x100 [ 109.371221][ T5114] hardirqs last disabled at (82176): [] el1_dbg+0x24/0x80 [ 109.373932][ T5114] softirqs last enabled at (82156): [] handle_softirqs+0xa4c/0xbf0 [ 109.376555][ T5114] softirqs last disabled at (82095): [] __irq_exit_rcu+0x240/0x440 [ 109.379091][ T5114] ---[ end trace 96b24f9d0beee645 ]--- [ 109.383798][ T5114] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 109.386326][ T5114] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:49 executed programs: 13 [ 109.758541][ T5136] loop0: detected capacity change from 0 to 32768 [ 109.768560][ T5136] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5136) [ 109.781171][ T5136] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.783543][ T5136] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.785792][ T5136] BTRFS info (device loop0): setting datacow [ 109.788199][ T5136] BTRFS info (device loop0): doing ref verification [ 109.794413][ T5136] BTRFS info (device loop0): force clearing of disk cache [ 109.796412][ T5136] BTRFS info (device loop0): turning off barriers [ 109.804525][ T5136] BTRFS info (device loop0): use zlib compression, level 3 [ 109.806519][ T5136] BTRFS info (device loop0): using free space tree [ 109.818411][ T5136] BTRFS info (device loop0): has skinny extents [ 109.909397][ T5136] BTRFS info (device loop0): clearing free space tree [ 109.911330][ T5136] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.914002][ T5136] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.922204][ T5136] BTRFS info (device loop0): creating free space tree [ 109.924666][ T5136] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.928474][ T5136] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.938789][ T5136] FAULT_INJECTION: forcing a failure. [ 109.938789][ T5136] name failslab, interval 1, probability 0, space 0, times 0 [ 109.942147][ T5136] CPU: 0 PID: 5136 Comm: syz.0.26 Tainted: G W 5.15.182-syzkaller #0 [ 109.944567][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.947237][ T5136] Call trace: [ 109.948155][ T5136] dump_backtrace+0x0/0x43c [ 109.949369][ T5136] show_stack+0x2c/0x3c [ 109.950548][ T5136] __dump_stack+0x30/0x40 [ 109.951736][ T5136] dump_stack_lvl+0xf8/0x160 [ 109.953003][ T5136] dump_stack+0x1c/0x5c [ 109.954209][ T5136] should_fail+0x3c0/0x51c [ 109.955411][ T5136] __should_failslab+0xbc/0x10c [ 109.956734][ T5136] should_failslab+0x10/0x28 [ 109.957937][ T5136] slab_pre_alloc_hook+0x64/0xec [ 109.959275][ T5136] kmem_cache_alloc+0x94/0x3e4 [ 109.960556][ T5136] btrfs_alloc_path+0x5c/0x68 [ 109.961801][ T5136] btrfs_insert_dir_item+0x16c/0x3b8 [ 109.963321][ T5136] btrfs_add_link+0x294/0xa68 [ 109.964527][ T5136] btrfs_create+0x45c/0x508 [ 109.965784][ T5136] path_openat+0x1144/0x26e4 [ 109.967125][ T5136] do_filp_open+0x164/0x330 [ 109.968362][ T5136] do_sys_openat2+0x128/0x3d8 [ 109.969627][ T5136] __arm64_sys_openat+0x120/0x154 [ 109.970961][ T5136] invoke_syscall+0x98/0x2b8 [ 109.972234][ T5136] el0_svc_common+0x138/0x258 [ 109.973557][ T5136] do_el0_svc+0x58/0x14c [ 109.974765][ T5136] el0_svc+0x78/0x1e0 [ 109.975841][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 109.977263][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 109.987731][ T5136] ------------[ cut here ]------------ [ 109.989586][ T5136] WARNING: CPU: 0 PID: 5136 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 109.992070][ T5136] Modules linked in: [ 109.993111][ T5136] CPU: 0 PID: 5136 Comm: syz.0.26 Tainted: G W 5.15.182-syzkaller #0 [ 109.995630][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.998444][ T5136] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.000650][ T5136] pc : btrfs_add_link+0x6e8/0xa68 [ 110.002092][ T5136] lr : btrfs_add_link+0x6e8/0xa68 [ 110.003450][ T5136] sp : ffff8000201d7580 [ 110.004565][ T5136] x29: ffff8000201d7680 x28: ffff0000de42ae70 x27: 0000000000000108 [ 110.006832][ T5136] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 110.008978][ T5136] x23: 0000000000000014 x22: 1fffe0001bc855d9 x21: ffff70000403aeb8 [ 110.011165][ T5136] x20: 00000000fffffff4 x19: ffff0000de42aec8 x18: 0000000000000001 [ 110.013327][ T5136] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 110.015515][ T5136] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.017658][ T5136] x11: 0000000000000000 x10: 0000000000000000 x9 : cdeb23d312694000 [ 110.019898][ T5136] x8 : cdeb23d312694000 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.022151][ T5136] x5 : ffff8000201d6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 110.024360][ T5136] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.026524][ T5136] Call trace: [ 110.027486][ T5136] btrfs_add_link+0x6e8/0xa68 [ 110.028770][ T5136] btrfs_create+0x45c/0x508 [ 110.029937][ T5136] path_openat+0x1144/0x26e4 [ 110.031187][ T5136] do_filp_open+0x164/0x330 [ 110.032376][ T5136] do_sys_openat2+0x128/0x3d8 [ 110.033620][ T5136] __arm64_sys_openat+0x120/0x154 [ 110.034975][ T5136] invoke_syscall+0x98/0x2b8 [ 110.036276][ T5136] el0_svc_common+0x138/0x258 [ 110.037586][ T5136] do_el0_svc+0x58/0x14c [ 110.038746][ T5136] el0_svc+0x78/0x1e0 [ 110.039808][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 110.041179][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 110.042360][ T5136] irq event stamp: 82728 [ 110.043490][ T5136] hardirqs last enabled at (82727): [] __up_console_sem+0xb4/0x100 [ 110.046208][ T5136] hardirqs last disabled at (82728): [] el1_dbg+0x24/0x80 [ 110.048664][ T5136] softirqs last enabled at (82704): [] handle_softirqs+0xa4c/0xbf0 [ 110.051371][ T5136] softirqs last disabled at (82655): [] __irq_exit_rcu+0x240/0x440 [ 110.053925][ T5136] ---[ end trace 96b24f9d0beee646 ]--- [ 110.056664][ T5136] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 110.059302][ T5136] BTRFS info (device loop0): forced readonly [ 110.398235][ T5158] loop0: detected capacity change from 0 to 32768 [ 110.405590][ T5158] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5158) [ 110.416893][ T5158] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.420882][ T5158] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.423184][ T5158] BTRFS info (device loop0): setting datacow [ 110.424783][ T5158] BTRFS info (device loop0): doing ref verification [ 110.426563][ T5158] BTRFS info (device loop0): force clearing of disk cache [ 110.429058][ T5158] BTRFS info (device loop0): turning off barriers [ 110.430859][ T5158] BTRFS info (device loop0): use zlib compression, level 3 [ 110.432777][ T5158] BTRFS info (device loop0): using free space tree [ 110.434556][ T5158] BTRFS info (device loop0): has skinny extents [ 110.449933][ T5158] BTRFS info (device loop0): clearing free space tree [ 110.451826][ T5158] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 110.454418][ T5158] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 110.460459][ T5158] BTRFS info (device loop0): creating free space tree [ 110.462797][ T5158] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 110.465419][ T5158] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 110.474951][ T5158] FAULT_INJECTION: forcing a failure. [ 110.474951][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 110.478436][ T5158] CPU: 1 PID: 5158 Comm: syz.0.27 Tainted: G W 5.15.182-syzkaller #0 [ 110.480920][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.483586][ T5158] Call trace: [ 110.484420][ T5158] dump_backtrace+0x0/0x43c [ 110.485657][ T5158] show_stack+0x2c/0x3c [ 110.486777][ T5158] __dump_stack+0x30/0x40 [ 110.487916][ T5158] dump_stack_lvl+0xf8/0x160 [ 110.489144][ T5158] dump_stack+0x1c/0x5c [ 110.490274][ T5158] should_fail+0x3c0/0x51c [ 110.491516][ T5158] __should_failslab+0xbc/0x10c [ 110.492840][ T5158] should_failslab+0x10/0x28 [ 110.494061][ T5158] slab_pre_alloc_hook+0x64/0xec [ 110.495363][ T5158] kmem_cache_alloc+0x94/0x3e4 [ 110.496657][ T5158] btrfs_alloc_path+0x5c/0x68 [ 110.497927][ T5158] btrfs_insert_dir_item+0x16c/0x3b8 [ 110.499270][ T5158] btrfs_add_link+0x294/0xa68 [ 110.500511][ T5158] btrfs_create+0x45c/0x508 [ 110.501727][ T5158] path_openat+0x1144/0x26e4 [ 110.502929][ T5158] do_filp_open+0x164/0x330 [ 110.504107][ T5158] do_sys_openat2+0x128/0x3d8 [ 110.505394][ T5158] __arm64_sys_openat+0x120/0x154 [ 110.506818][ T5158] invoke_syscall+0x98/0x2b8 [ 110.508115][ T5158] el0_svc_common+0x138/0x258 [ 110.509366][ T5158] do_el0_svc+0x58/0x14c [ 110.510502][ T5158] el0_svc+0x78/0x1e0 [ 110.511570][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 110.513037][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 110.516548][ T5158] ------------[ cut here ]------------ [ 110.518355][ T5158] WARNING: CPU: 1 PID: 5158 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 110.520702][ T5158] Modules linked in: [ 110.521711][ T5158] CPU: 1 PID: 5158 Comm: syz.0.27 Tainted: G W 5.15.182-syzkaller #0 [ 110.524219][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.526923][ T5158] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.529058][ T5158] pc : btrfs_add_link+0x6e8/0xa68 [ 110.530519][ T5158] lr : btrfs_add_link+0x6e8/0xa68 [ 110.531899][ T5158] sp : ffff8000202f7580 [ 110.532999][ T5158] x29: ffff8000202f7680 x28: ffff0000dcbd7b00 x27: 0000000000000108 [ 110.535212][ T5158] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 110.537477][ T5158] x23: 0000000000000014 x22: 1fffe0001b97af6b x21: ffff70000405eeb8 [ 110.539585][ T5158] x20: 00000000fffffff4 x19: ffff0000dcbd7b58 x18: 0000000000000001 [ 110.541772][ T5158] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 110.543969][ T5158] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.546143][ T5158] x11: 0000000000000000 x10: 0000000000000000 x9 : d9bc8e14c1791b00 [ 110.548290][ T5158] x8 : d9bc8e14c1791b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.550499][ T5158] x5 : ffff8000202f6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 110.552655][ T5158] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.554904][ T5158] Call trace: [ 110.555772][ T5158] btrfs_add_link+0x6e8/0xa68 [ 110.557037][ T5158] btrfs_create+0x45c/0x508 [ 110.558263][ T5158] path_openat+0x1144/0x26e4 [ 110.559484][ T5158] do_filp_open+0x164/0x330 [ 110.560731][ T5158] do_sys_openat2+0x128/0x3d8 [ 110.561982][ T5158] __arm64_sys_openat+0x120/0x154 [ 110.563315][ T5158] invoke_syscall+0x98/0x2b8 [ 110.564571][ T5158] el0_svc_common+0x138/0x258 [ 110.565870][ T5158] do_el0_svc+0x58/0x14c [ 110.567007][ T5158] el0_svc+0x78/0x1e0 [ 110.568049][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 110.569383][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 110.570563][ T5158] irq event stamp: 82950 [ 110.571674][ T5158] hardirqs last enabled at (82949): [] __up_console_sem+0xb4/0x100 [ 110.574264][ T5158] hardirqs last disabled at (82950): [] el1_dbg+0x24/0x80 [ 110.576711][ T5158] softirqs last enabled at (82940): [] handle_softirqs+0xa4c/0xbf0 [ 110.579321][ T5158] softirqs last disabled at (82929): [] __irq_exit_rcu+0x240/0x440 [ 110.581922][ T5158] ---[ end trace 96b24f9d0beee647 ]--- [ 110.586473][ T5158] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 110.589047][ T5158] BTRFS info (device loop0): forced readonly [ 110.860346][ T5183] loop0: detected capacity change from 0 to 32768 [ 110.916960][ T5183] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5183) [ 110.928899][ T5183] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.931240][ T5183] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.933520][ T5183] BTRFS info (device loop0): setting datacow [ 110.935202][ T5183] BTRFS info (device loop0): doing ref verification [ 110.936910][ T5183] BTRFS info (device loop0): force clearing of disk cache [ 110.939315][ T5183] BTRFS info (device loop0): turning off barriers [ 110.941129][ T5183] BTRFS info (device loop0): use zlib compression, level 3 [ 110.943077][ T5183] BTRFS info (device loop0): using free space tree [ 110.944786][ T5183] BTRFS info (device loop0): has skinny extents [ 110.961284][ T5183] BTRFS info (device loop0): clearing free space tree [ 110.963164][ T5183] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 110.965786][ T5183] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 110.972063][ T5183] BTRFS info (device loop0): creating free space tree [ 110.974492][ T5183] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 110.977020][ T5183] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 110.984785][ T5183] FAULT_INJECTION: forcing a failure. [ 110.984785][ T5183] name failslab, interval 1, probability 0, space 0, times 0 [ 110.988295][ T5183] CPU: 1 PID: 5183 Comm: syz.0.28 Tainted: G W 5.15.182-syzkaller #0 [ 110.990856][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.993518][ T5183] Call trace: [ 110.994447][ T5183] dump_backtrace+0x0/0x43c [ 110.995771][ T5183] show_stack+0x2c/0x3c [ 110.996890][ T5183] __dump_stack+0x30/0x40 [ 110.998071][ T5183] dump_stack_lvl+0xf8/0x160 [ 110.999326][ T5183] dump_stack+0x1c/0x5c [ 111.000446][ T5183] should_fail+0x3c0/0x51c [ 111.001652][ T5183] __should_failslab+0xbc/0x10c [ 111.002970][ T5183] should_failslab+0x10/0x28 [ 111.004228][ T5183] slab_pre_alloc_hook+0x64/0xec [ 111.005586][ T5183] kmem_cache_alloc+0x94/0x3e4 [ 111.006924][ T5183] security_inode_alloc+0x38/0x11c [ 111.008361][ T5183] inode_init_always+0x670/0xa84 [ 111.009684][ T5183] new_inode_pseudo+0x7c/0x1fc [ 111.011011][ T5183] new_inode+0x38/0x174 [ 111.012171][ T5183] btrfs_new_inode+0x148/0x1538 [ 111.013522][ T5183] btrfs_create+0x248/0x508 [ 111.014740][ T5183] path_openat+0x1144/0x26e4 [ 111.015987][ T5183] do_filp_open+0x164/0x330 [ 111.017213][ T5183] do_sys_openat2+0x128/0x3d8 [ 111.018424][ T5183] __arm64_sys_openat+0x120/0x154 [ 111.019755][ T5183] invoke_syscall+0x98/0x2b8 [ 111.021064][ T5183] el0_svc_common+0x138/0x258 [ 111.022347][ T5183] do_el0_svc+0x58/0x14c [ 111.023543][ T5183] el0_svc+0x78/0x1e0 [ 111.024608][ T5183] el0t_64_sync_handler+0xcc/0xe4 [ 111.026000][ T5183] el0t_64_sync+0x1a0/0x1a4 [ 111.306035][ T5205] loop0: detected capacity change from 0 to 32768 [ 111.359056][ T5205] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5205) [ 111.409719][ T5205] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 111.412093][ T5205] BTRFS info (device loop0): setting nodatacow, compression disabled [ 111.414284][ T5205] BTRFS info (device loop0): setting datacow [ 111.415833][ T5205] BTRFS info (device loop0): doing ref verification [ 111.418069][ T5205] BTRFS info (device loop0): force clearing of disk cache [ 111.420010][ T5205] BTRFS info (device loop0): turning off barriers [ 111.421767][ T5205] BTRFS info (device loop0): use zlib compression, level 3 [ 111.423714][ T5205] BTRFS info (device loop0): using free space tree [ 111.425445][ T5205] BTRFS info (device loop0): has skinny extents [ 111.442020][ T5205] BTRFS info (device loop0): clearing free space tree [ 111.443990][ T5205] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 111.446740][ T5205] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 111.453730][ T5205] BTRFS info (device loop0): creating free space tree [ 111.456059][ T5205] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 111.460086][ T5205] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 111.467666][ T5205] FAULT_INJECTION: forcing a failure. [ 111.467666][ T5205] name failslab, interval 1, probability 0, space 0, times 0 [ 111.471187][ T5205] CPU: 0 PID: 5205 Comm: syz.0.29 Tainted: G W 5.15.182-syzkaller #0 [ 111.473880][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.476589][ T5205] Call trace: [ 111.477454][ T5205] dump_backtrace+0x0/0x43c [ 111.478654][ T5205] show_stack+0x2c/0x3c [ 111.479831][ T5205] __dump_stack+0x30/0x40 [ 111.480994][ T5205] dump_stack_lvl+0xf8/0x160 [ 111.482245][ T5205] dump_stack+0x1c/0x5c [ 111.483368][ T5205] should_fail+0x3c0/0x51c [ 111.484561][ T5205] __should_failslab+0xbc/0x10c [ 111.485931][ T5205] should_failslab+0x10/0x28 [ 111.487163][ T5205] slab_pre_alloc_hook+0x64/0xec [ 111.488463][ T5205] kmem_cache_alloc+0x94/0x3e4 [ 111.489799][ T5205] btrfs_alloc_path+0x5c/0x68 [ 111.491098][ T5205] btrfs_insert_dir_item+0x16c/0x3b8 [ 111.492532][ T5205] btrfs_add_link+0x294/0xa68 [ 111.493797][ T5205] btrfs_create+0x45c/0x508 [ 111.494967][ T5205] path_openat+0x1144/0x26e4 [ 111.496265][ T5205] do_filp_open+0x164/0x330 [ 111.497618][ T5205] do_sys_openat2+0x128/0x3d8 [ 111.498963][ T5205] __arm64_sys_openat+0x120/0x154 [ 111.500337][ T5205] invoke_syscall+0x98/0x2b8 [ 111.501606][ T5205] el0_svc_common+0x138/0x258 [ 111.503005][ T5205] do_el0_svc+0x58/0x14c [ 111.504179][ T5205] el0_svc+0x78/0x1e0 [ 111.505274][ T5205] el0t_64_sync_handler+0xcc/0xe4 [ 111.506606][ T5205] el0t_64_sync+0x1a0/0x1a4 [ 111.509204][ T5205] ------------[ cut here ]------------ [ 111.510867][ T5205] WARNING: CPU: 0 PID: 5205 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 111.513294][ T5205] Modules linked in: [ 111.514345][ T5205] CPU: 0 PID: 5205 Comm: syz.0.29 Tainted: G W 5.15.182-syzkaller #0 [ 111.516957][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.519775][ T5205] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.521878][ T5205] pc : btrfs_add_link+0x6e8/0xa68 [ 111.523313][ T5205] lr : btrfs_add_link+0x6e8/0xa68 [ 111.524668][ T5205] sp : ffff800020637580 [ 111.525809][ T5205] x29: ffff800020637680 x28: ffff0000de42a370 x27: 0000000000000108 [ 111.528008][ T5205] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 111.530262][ T5205] x23: 0000000000000014 x22: 1fffe0001bc85479 x21: ffff7000040c6eb8 [ 111.532467][ T5205] x20: 00000000fffffff4 x19: ffff0000de42a3c8 x18: 0000000000000001 [ 111.534671][ T5205] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 111.536881][ T5205] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.539051][ T5205] x11: 0000000000000000 x10: 0000000000000000 x9 : 5b99ef0c8a9f6400 [ 111.541223][ T5205] x8 : 5b99ef0c8a9f6400 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.543419][ T5205] x5 : ffff800020636e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 111.545672][ T5205] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.547868][ T5205] Call trace: [ 111.548744][ T5205] btrfs_add_link+0x6e8/0xa68 [ 111.549990][ T5205] btrfs_create+0x45c/0x508 [ 111.551184][ T5205] path_openat+0x1144/0x26e4 [ 111.552450][ T5205] do_filp_open+0x164/0x330 [ 111.553718][ T5205] do_sys_openat2+0x128/0x3d8 [ 111.554969][ T5205] __arm64_sys_openat+0x120/0x154 [ 111.556363][ T5205] invoke_syscall+0x98/0x2b8 [ 111.557629][ T5205] el0_svc_common+0x138/0x258 [ 111.558903][ T5205] do_el0_svc+0x58/0x14c [ 111.560116][ T5205] el0_svc+0x78/0x1e0 [ 111.561220][ T5205] el0t_64_sync_handler+0xcc/0xe4 [ 111.562600][ T5205] el0t_64_sync+0x1a0/0x1a4 [ 111.563817][ T5205] irq event stamp: 81372 [ 111.564962][ T5205] hardirqs last enabled at (81371): [] __up_console_sem+0xb4/0x100 [ 111.567609][ T5205] hardirqs last disabled at (81372): [] el1_dbg+0x24/0x80 [ 111.570043][ T5205] softirqs last enabled at (81352): [] handle_softirqs+0xa4c/0xbf0 [ 111.572643][ T5205] softirqs last disabled at (81325): [] __irq_exit_rcu+0x240/0x440 [ 111.575298][ T5205] ---[ end trace 96b24f9d0beee648 ]--- [ 111.580718][ T5205] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 111.583302][ T5205] BTRFS info (device loop0): forced readonly [ 111.856188][ T5227] loop0: detected capacity change from 0 to 32768 [ 111.936265][ T5227] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5227) [ 111.945178][ T5227] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 111.947732][ T5227] BTRFS info (device loop0): setting nodatacow, compression disabled [ 111.949966][ T5227] BTRFS info (device loop0): setting datacow [ 111.951592][ T5227] BTRFS info (device loop0): doing ref verification [ 111.953392][ T5227] BTRFS info (device loop0): force clearing of disk cache [ 111.955459][ T5227] BTRFS info (device loop0): turning off barriers [ 111.958302][ T5227] BTRFS info (device loop0): use zlib compression, level 3 [ 111.960369][ T5227] BTRFS info (device loop0): using free space tree [ 111.962225][ T5227] BTRFS info (device loop0): has skinny extents [ 111.977276][ T5227] BTRFS info (device loop0): clearing free space tree [ 111.979220][ T5227] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 111.981804][ T5227] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 111.989723][ T5227] BTRFS info (device loop0): creating free space tree [ 111.992128][ T5227] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 111.994707][ T5227] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.001964][ T5227] FAULT_INJECTION: forcing a failure. [ 112.001964][ T5227] name failslab, interval 1, probability 0, space 0, times 0 [ 112.005458][ T5227] CPU: 1 PID: 5227 Comm: syz.0.30 Tainted: G W 5.15.182-syzkaller #0 [ 112.008087][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.010862][ T5227] Call trace: [ 112.011792][ T5227] dump_backtrace+0x0/0x43c [ 112.013058][ T5227] show_stack+0x2c/0x3c [ 112.014237][ T5227] __dump_stack+0x30/0x40 [ 112.015442][ T5227] dump_stack_lvl+0xf8/0x160 [ 112.016648][ T5227] dump_stack+0x1c/0x5c [ 112.017738][ T5227] should_fail+0x3c0/0x51c [ 112.018931][ T5227] __should_failslab+0xbc/0x10c [ 112.020247][ T5227] should_failslab+0x10/0x28 [ 112.021531][ T5227] slab_pre_alloc_hook+0x64/0xec [ 112.022849][ T5227] kmem_cache_alloc+0x94/0x3e4 [ 112.024182][ T5227] btrfs_alloc_path+0x5c/0x68 [ 112.025507][ T5227] btrfs_insert_dir_item+0x16c/0x3b8 [ 112.026980][ T5227] btrfs_add_link+0x294/0xa68 [ 112.028299][ T5227] btrfs_create+0x45c/0x508 [ 112.029571][ T5227] path_openat+0x1144/0x26e4 [ 112.030944][ T5227] do_filp_open+0x164/0x330 [ 112.032148][ T5227] do_sys_openat2+0x128/0x3d8 [ 112.033492][ T5227] __arm64_sys_openat+0x120/0x154 [ 112.034873][ T5227] invoke_syscall+0x98/0x2b8 [ 112.036121][ T5227] el0_svc_common+0x138/0x258 [ 112.037394][ T5227] do_el0_svc+0x58/0x14c [ 112.038565][ T5227] el0_svc+0x78/0x1e0 [ 112.039631][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 112.040990][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 112.043990][ T5227] ------------[ cut here ]------------ [ 112.045778][ T5227] WARNING: CPU: 1 PID: 5227 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 112.048230][ T5227] Modules linked in: [ 112.049262][ T5227] CPU: 1 PID: 5227 Comm: syz.0.30 Tainted: G W 5.15.182-syzkaller #0 [ 112.051762][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.054449][ T5227] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.056554][ T5227] pc : btrfs_add_link+0x6e8/0xa68 [ 112.057916][ T5227] lr : btrfs_add_link+0x6e8/0xa68 [ 112.059378][ T5227] sp : ffff800020787580 [ 112.060493][ T5227] x29: ffff800020787680 x28: ffff0000dcb50210 x27: 0000000000000108 [ 112.062665][ T5227] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 112.064941][ T5227] x23: 0000000000000014 x22: 1fffe0001b96a04d x21: ffff7000040f0eb8 [ 112.067051][ T5227] x20: 00000000fffffff4 x19: ffff0000dcb50268 x18: 0000000000000001 [ 112.069212][ T5227] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 112.071399][ T5227] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.073608][ T5227] x11: 0000000000000000 x10: 0000000000000000 x9 : 27ee9e3430a41900 [ 112.075837][ T5227] x8 : 27ee9e3430a41900 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.078069][ T5227] x5 : ffff800020786e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 112.080357][ T5227] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.082944][ T5227] Call trace: [ 112.083785][ T5227] btrfs_add_link+0x6e8/0xa68 [ 112.085268][ T5227] btrfs_create+0x45c/0x508 [ 112.086414][ T5227] path_openat+0x1144/0x26e4 [ 112.087645][ T5227] do_filp_open+0x164/0x330 [ 112.088888][ T5227] do_sys_openat2+0x128/0x3d8 [ 112.090170][ T5227] __arm64_sys_openat+0x120/0x154 [ 112.091555][ T5227] invoke_syscall+0x98/0x2b8 [ 112.092899][ T5227] el0_svc_common+0x138/0x258 [ 112.094222][ T5227] do_el0_svc+0x58/0x14c [ 112.095383][ T5227] el0_svc+0x78/0x1e0 [ 112.096594][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 112.098022][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 112.099309][ T5227] irq event stamp: 82556 [ 112.100526][ T5227] hardirqs last enabled at (82555): [] __up_console_sem+0xb4/0x100 [ 112.103188][ T5227] hardirqs last disabled at (82556): [] el1_dbg+0x24/0x80 [ 112.105675][ T5227] softirqs last enabled at (82536): [] handle_softirqs+0xa4c/0xbf0 [ 112.108391][ T5227] softirqs last disabled at (82437): [] __irq_exit_rcu+0x240/0x440 [ 112.110996][ T5227] ---[ end trace 96b24f9d0beee649 ]--- [ 112.113012][ T5227] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 112.115559][ T5227] BTRFS info (device loop0): forced readonly [ 112.450309][ T5249] loop0: detected capacity change from 0 to 32768 [ 112.499802][ T5249] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5249) [ 112.519778][ T5249] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 112.522117][ T5249] BTRFS info (device loop0): setting nodatacow, compression disabled [ 112.524312][ T5249] BTRFS info (device loop0): setting datacow [ 112.525988][ T5249] BTRFS info (device loop0): doing ref verification [ 112.550422][ T5249] FAULT_INJECTION: forcing a failure. [ 112.550422][ T5249] name failslab, interval 1, probability 0, space 0, times 0 [ 112.554034][ T5249] CPU: 0 PID: 5249 Comm: syz.0.31 Tainted: G W 5.15.182-syzkaller #0 [ 112.556555][ T5249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.559280][ T5249] Call trace: [ 112.560173][ T5249] dump_backtrace+0x0/0x43c [ 112.561459][ T5249] show_stack+0x2c/0x3c [ 112.562616][ T5249] __dump_stack+0x30/0x40 [ 112.563852][ T5249] dump_stack_lvl+0xf8/0x160 [ 112.565096][ T5249] dump_stack+0x1c/0x5c [ 112.566266][ T5249] should_fail+0x3c0/0x51c [ 112.567514][ T5249] __should_failslab+0xbc/0x10c [ 112.568827][ T5249] should_failslab+0x10/0x28 [ 112.570052][ T5249] slab_pre_alloc_hook+0x64/0xec [ 112.571379][ T5249] kmem_cache_alloc+0x94/0x3e4 [ 112.572650][ T5249] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 112.574325][ T5249] btrfs_delayed_update_inode+0x3c/0x1b7c [ 112.575905][ T5249] btrfs_update_inode+0x210/0x3d4 [ 112.577296][ T5249] btrfs_create+0x360/0x508 [ 112.578525][ T5249] path_openat+0x1144/0x26e4 [ 112.579829][ T5249] do_filp_open+0x164/0x330 [ 112.581060][ T5249] do_sys_openat2+0x128/0x3d8 [ 112.582305][ T5249] __arm64_sys_openat+0x120/0x154 [ 112.583642][ T5249] invoke_syscall+0x98/0x2b8 [ 112.584900][ T5249] el0_svc_common+0x138/0x258 [ 112.586179][ T5249] do_el0_svc+0x58/0x14c [ 112.587374][ T5249] el0_svc+0x78/0x1e0 [ 112.588484][ T5249] el0t_64_sync_handler+0xcc/0xe4 [ 112.589875][ T5249] el0t_64_sync+0x1a0/0x1a4 [ 112.703457][ T4473] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4473) [ 112.875286][ T5270] loop0: detected capacity change from 0 to 32768 [ 112.975231][ T5270] FAULT_INJECTION: forcing a failure. [ 112.975231][ T5270] name failslab, interval 1, probability 0, space 0, times 0 [ 112.978977][ T5270] CPU: 1 PID: 5270 Comm: syz.0.32 Tainted: G W 5.15.182-syzkaller #0 [ 112.981539][ T5270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.984325][ T5270] Call trace: [ 112.985219][ T5270] dump_backtrace+0x0/0x43c [ 112.986439][ T5270] show_stack+0x2c/0x3c [ 112.987542][ T5270] __dump_stack+0x30/0x40 [ 112.988801][ T5270] dump_stack_lvl+0xf8/0x160 [ 112.990119][ T5270] dump_stack+0x1c/0x5c [ 112.991326][ T5270] should_fail+0x3c0/0x51c [ 112.992568][ T5270] __should_failslab+0xbc/0x10c [ 112.993861][ T5270] should_failslab+0x10/0x28 [ 112.995163][ T5270] slab_pre_alloc_hook+0x64/0xec [ 112.996548][ T5270] kmem_cache_alloc+0x94/0x3e4 [ 112.997883][ T5270] btrfs_alloc_path+0x5c/0x68 [ 112.999180][ T5270] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.000625][ T5270] btrfs_add_link+0x294/0xa68 [ 113.001915][ T5270] btrfs_create+0x45c/0x508 [ 113.003150][ T5270] path_openat+0x1144/0x26e4 [ 113.004442][ T5270] do_filp_open+0x164/0x330 [ 113.005732][ T5270] do_sys_openat2+0x128/0x3d8 [ 113.006988][ T5270] __arm64_sys_openat+0x120/0x154 [ 113.008431][ T5270] invoke_syscall+0x98/0x2b8 [ 113.009675][ T5270] el0_svc_common+0x138/0x258 [ 113.010969][ T5270] do_el0_svc+0x58/0x14c [ 113.012183][ T5270] el0_svc+0x78/0x1e0 [ 113.013225][ T5270] el0t_64_sync_handler+0xcc/0xe4 [ 113.014639][ T5270] el0t_64_sync+0x1a0/0x1a4 [ 113.018219][ T5270] ------------[ cut here ]------------ [ 113.019946][ T5270] WARNING: CPU: 1 PID: 5270 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 113.022478][ T5270] Modules linked in: [ 113.023490][ T5270] CPU: 1 PID: 5270 Comm: syz.0.32 Tainted: G W 5.15.182-syzkaller #0 [ 113.025943][ T5270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.028566][ T5270] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.030634][ T5270] pc : btrfs_add_link+0x6e8/0xa68 [ 113.032003][ T5270] lr : btrfs_add_link+0x6e8/0xa68 [ 113.033330][ T5270] sp : ffff8000207c7580 [ 113.034407][ T5270] x29: ffff8000207c7680 x28: ffff0000dcb50630 x27: 0000000000000108 [ 113.036508][ T5270] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 113.038712][ T5270] x23: 0000000000000014 x22: 1fffe0001b96a0d1 x21: ffff7000040f8eb8 [ 113.040864][ T5270] x20: 00000000fffffff4 x19: ffff0000dcb50688 x18: 0000000000000001 [ 113.042963][ T5270] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 113.045105][ T5270] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.047271][ T5270] x11: 0000000000000000 x10: 0000000000000000 x9 : e0efdda3eee71d00 [ 113.049435][ T5270] x8 : e0efdda3eee71d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.051660][ T5270] x5 : ffff8000207c6e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 113.053968][ T5270] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.056152][ T5270] Call trace: [ 113.057061][ T5270] btrfs_add_link+0x6e8/0xa68 [ 113.058361][ T5270] btrfs_create+0x45c/0x508 [ 113.059615][ T5270] path_openat+0x1144/0x26e4 [ 113.060937][ T5270] do_filp_open+0x164/0x330 [ 113.062187][ T5270] do_sys_openat2+0x128/0x3d8 [ 113.063439][ T5270] __arm64_sys_openat+0x120/0x154 [ 113.064844][ T5270] invoke_syscall+0x98/0x2b8 [ 113.066121][ T5270] el0_svc_common+0x138/0x258 [ 113.067377][ T5270] do_el0_svc+0x58/0x14c [ 113.068461][ T5270] el0_svc+0x78/0x1e0 [ 113.069600][ T5270] el0t_64_sync_handler+0xcc/0xe4 [ 113.070950][ T5270] el0t_64_sync+0x1a0/0x1a4 [ 113.072205][ T5270] irq event stamp: 81282 [ 113.073385][ T5270] hardirqs last enabled at (81281): [] __up_console_sem+0xb4/0x100 [ 113.075979][ T5270] hardirqs last disabled at (81282): [] el1_dbg+0x24/0x80 [ 113.078347][ T5270] softirqs last enabled at (81262): [] handle_softirqs+0xa4c/0xbf0 [ 113.081096][ T5270] softirqs last disabled at (81239): [] __irq_exit_rcu+0x240/0x440 [ 113.083848][ T5270] ---[ end trace 96b24f9d0beee64a ]--- [ 113.088587][ T5270] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 113.373762][ T5293] loop0: detected capacity change from 0 to 32768 [ 113.426190][ T5293] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5293) [ 113.473251][ T5293] FAULT_INJECTION: forcing a failure. [ 113.473251][ T5293] name failslab, interval 1, probability 0, space 0, times 0 [ 113.477614][ T5293] CPU: 0 PID: 5293 Comm: syz.0.33 Tainted: G W 5.15.182-syzkaller #0 [ 113.480238][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.483015][ T5293] Call trace: [ 113.483875][ T5293] dump_backtrace+0x0/0x43c [ 113.485099][ T5293] show_stack+0x2c/0x3c [ 113.486275][ T5293] __dump_stack+0x30/0x40 [ 113.487424][ T5293] dump_stack_lvl+0xf8/0x160 [ 113.488674][ T5293] dump_stack+0x1c/0x5c [ 113.489831][ T5293] should_fail+0x3c0/0x51c [ 113.491007][ T5293] __should_failslab+0xbc/0x10c [ 113.492366][ T5293] should_failslab+0x10/0x28 [ 113.493707][ T5293] slab_pre_alloc_hook+0x64/0xec [ 113.495064][ T5293] kmem_cache_alloc+0x94/0x3e4 [ 113.496355][ T5293] btrfs_alloc_path+0x5c/0x68 [ 113.497616][ T5293] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.499038][ T5293] btrfs_add_link+0x294/0xa68 [ 113.500349][ T5293] btrfs_create+0x45c/0x508 [ 113.501556][ T5293] path_openat+0x1144/0x26e4 [ 113.502814][ T5293] do_filp_open+0x164/0x330 [ 113.504050][ T5293] do_sys_openat2+0x128/0x3d8 [ 113.505264][ T5293] __arm64_sys_openat+0x120/0x154 [ 113.506692][ T5293] invoke_syscall+0x98/0x2b8 [ 113.507967][ T5293] el0_svc_common+0x138/0x258 [ 113.509240][ T5293] do_el0_svc+0x58/0x14c [ 113.510373][ T5293] el0_svc+0x78/0x1e0 [ 113.511482][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 113.512977][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 113.516408][ T5293] ------------[ cut here ]------------ [ 113.518289][ T5293] WARNING: CPU: 0 PID: 5293 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 113.520684][ T5293] Modules linked in: [ 113.521750][ T5293] CPU: 0 PID: 5293 Comm: syz.0.33 Tainted: G W 5.15.182-syzkaller #0 [ 113.524250][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.526965][ T5293] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.529224][ T5293] pc : btrfs_add_link+0x6e8/0xa68 [ 113.530571][ T5293] lr : btrfs_add_link+0x6e8/0xa68 [ 113.531919][ T5293] sp : ffff800020e77580 [ 113.533025][ T5293] x29: ffff800020e77680 x28: ffff0000de42a580 x27: 0000000000000108 [ 113.535183][ T5293] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 113.537401][ T5293] x23: 0000000000000014 x22: 1fffe0001bc854bb x21: ffff7000041ceeb8 [ 113.539701][ T5293] x20: 00000000fffffff4 x19: ffff0000de42a5d8 x18: 0000000000000001 [ 113.541829][ T5293] x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff [ 113.544043][ T5293] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.546286][ T5293] x11: 0000000000000000 x10: 0000000000000000 x9 : de16285de3152000 [ 113.548464][ T5293] x8 : de16285de3152000 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.550607][ T5293] x5 : ffff800020e76e78 x4 : ffff80001422f280 x3 : ffff800008503828 [ 113.552813][ T5293] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.555066][ T5293] Call trace: [ 113.555987][ T5293] btrfs_add_link+0x6e8/0xa68 [ 113.557267][ T5293] btrfs_create+0x45c/0x508 [ 113.558539][ T5293] path_openat+0x1144/0x26e4 [ 113.559792][ T5293] do_filp_open+0x164/0x330 [ 113.561024][ T5293] do_sys_openat2+0x128/0x3d8 [ 113.562320][ T5293] __arm64_sys_openat+0x120/0x154 [ 113.563705][ T5293] invoke_syscall+0x98/0x2b8 [ 113.565023][ T5293] el0_svc_common+0x138/0x258 [ 113.566404][ T5293] do_el0_svc+0x58/0x14c [ 113.567573][ T5293] el0_svc+0x78/0x1e0 [ 113.568700][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 113.570072][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 113.571304][ T5293] irq event stamp: 82654 [ 113.572457][ T5293] hardirqs last enabled at (82653): [] __up_console_sem+0xb4/0x100 [ 113.575112][ T5293] hardirqs last disabled at (82654): [] el1_dbg+0x24/0x80 [ 113.577554][ T5293] softirqs last enabled at (82644): [] handle_softirqs+0xa4c/0xbf0 [ 113.580205][ T5293] softirqs last disabled at (82585): [] __irq_exit_rcu+0x240/0x440 [ 113.582913][ T5293] ---[ end trace 96b24f9d0beee64b ]--- [ 113.588905][ T5293] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 113.872139][ T5315] loop0: detected capacity change from 0 to 32768