Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. 1970/01/01 00:01:03 parsed 1 programs [ 64.855813][ T4403] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 65.796980][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.798272][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.799538][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.809275][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.810564][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.811832][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.443399][ T4553] chnl_net:caif_netlink_parms(): no params data found [ 66.463277][ T4553] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.464531][ T4553] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.466191][ T4553] device bridge_slave_0 entered promiscuous mode [ 66.468307][ T4553] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.469502][ T4553] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.470969][ T4553] device bridge_slave_1 entered promiscuous mode [ 66.479190][ T4553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.482401][ T4553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.538737][ T4553] team0: Port device team_slave_0 added [ 66.540796][ T4553] team0: Port device team_slave_1 added [ 66.548063][ T4553] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.549212][ T4553] 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. [ 66.554262][ T4553] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.556754][ T4553] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.557769][ T4553] 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. [ 66.562652][ T4553] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.623221][ T4553] device hsr_slave_0 entered promiscuous mode [ 66.652783][ T4553] device hsr_slave_1 entered promiscuous mode [ 67.247535][ T4553] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.283254][ T4553] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.333864][ T4553] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.363584][ T4553] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.436004][ T4553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.440364][ T4553] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.442761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.444260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.447879][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.449428][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.451083][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.452247][ T354] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.454748][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.458317][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.459869][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.461258][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.462429][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.470102][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.472785][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.475813][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.478500][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.480027][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.485582][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.487157][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.490139][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.491689][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.495807][ T4553] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.497739][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.499229][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.500798][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.543642][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.544908][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.547694][ T4553] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.554444][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.556085][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.563886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.565391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.566776][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.568109][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.571283][ T4553] device veth0_vlan entered promiscuous mode [ 67.575919][ T4553] device veth1_vlan entered promiscuous mode [ 67.583293][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.584806][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.586261][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.587772][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.590581][ T4553] device veth0_macvtap entered promiscuous mode [ 67.594481][ T4553] device veth1_macvtap entered promiscuous mode [ 67.599937][ T4553] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.601157][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.602988][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.604396][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.605840][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.609163][ T4553] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.610314][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.612654][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.615388][ T4553] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.616689][ T4553] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.618061][ T4553] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.619445][ T4553] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:07 executed programs: 0 [ 68.084121][ T4754] chnl_net:caif_netlink_parms(): no params data found [ 68.103589][ T4754] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.104832][ T4754] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.106408][ T4754] device bridge_slave_0 entered promiscuous mode [ 68.108508][ T4754] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.109687][ T4754] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.111348][ T4754] device bridge_slave_1 entered promiscuous mode [ 68.121694][ T4754] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.125468][ T4754] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.135124][ T4754] team0: Port device team_slave_0 added [ 68.136986][ T4754] team0: Port device team_slave_1 added [ 68.145029][ T4754] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.146157][ T4754] 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. [ 68.150432][ T4754] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.153887][ T4754] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.155038][ T4754] 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. [ 68.159337][ T4754] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.203932][ T4754] device hsr_slave_0 entered promiscuous mode [ 68.252340][ T4754] device hsr_slave_1 entered promiscuous mode [ 68.293340][ T4754] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.294585][ T4754] Cannot create hsr debugfs directory [ 68.325406][ T4754] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.623251][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.624038][ T3336] cfg80211: failed to load regulatory.db [ 69.624799][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.102057][ T4172] Bluetooth: hci0: command 0x0409 tx timeout [ 70.735425][ T4754] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.182005][ T4172] Bluetooth: hci0: command 0x041b tx timeout [ 72.885370][ T4754] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.936484][ T4754] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.090100][ T4754] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.143395][ T4754] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.203289][ T4754] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.262330][ T4754] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.334514][ T4754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.338368][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.340021][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.342835][ T4754] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.345324][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.346937][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.348381][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.349453][ T354] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.350870][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.354058][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.355615][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.357011][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.358182][ T354] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.360522][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.363900][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.366602][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.368685][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.370296][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.374167][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.375815][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.378387][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.379950][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.383015][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.384545][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.386972][ T4754] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.431613][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.433253][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.436620][ T4754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.443801][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.445839][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.451712][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.453595][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.455261][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.456727][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.458986][ T4754] device veth0_vlan entered promiscuous mode [ 73.462671][ T4754] device veth1_vlan entered promiscuous mode [ 73.469449][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.471016][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.473344][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.474865][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.477747][ T4754] device veth0_macvtap entered promiscuous mode [ 73.480060][ T4754] device veth1_macvtap entered promiscuous mode [ 73.484988][ T4754] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.486605][ T4754] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.488714][ T4754] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.489953][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.491425][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.493090][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.494610][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.496995][ T4754] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.498780][ T4754] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.500932][ T4754] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.504050][ T4754] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.505534][ T4754] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.506975][ T4754] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.508298][ T4754] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.510353][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.511901][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.529140][ T354] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.531411][ T354] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.537370][ T585] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.537534][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.538585][ T585] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.541120][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:13 executed programs: 2 [ 73.659680][ T4963] loop0: detected capacity change from 0 to 32768 [ 73.671750][ T4963] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4963) [ 73.681889][ T4963] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 73.683617][ T4963] BTRFS info (device loop0): using free space tree [ 73.684645][ T4963] BTRFS info (device loop0): has skinny extents [ 73.695875][ T4963] BTRFS info (device loop0): enabling ssd optimizations [ 73.701469][ T4963] FAULT_INJECTION: forcing a failure. [ 73.701469][ T4963] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 73.704529][ T4963] CPU: 0 PID: 4963 Comm: syz.0.16 Not tainted syzkaller #0 [ 73.705711][ T4963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.707328][ T4963] Call trace: [ 73.707821][ T4963] dump_backtrace+0x0/0x458 [ 73.708524][ T4963] show_stack+0x2c/0x3c [ 73.709155][ T4963] __dump_stack+0x30/0x40 [ 73.709818][ T4963] dump_stack_lvl+0xf4/0x15c [ 73.710576][ T4963] dump_stack+0x1c/0x5c [ 73.711261][ T4963] should_fail+0x3bc/0x514 [ 73.712037][ T4963] should_fail_alloc_page+0x74/0xa8 [ 73.712931][ T4963] prepare_alloc_pages+0x160/0x45c [ 73.713795][ T4963] __alloc_pages+0x108/0x470 [ 73.714557][ T4963] alloc_pages+0x34c/0x5c0 [ 73.715290][ T4963] new_slab+0xe0/0x544 [ 73.715992][ T4963] ___slab_alloc+0x6b4/0xd8c [ 73.716749][ T4963] __slab_alloc+0x68/0xc0 [ 73.717454][ T4963] kmem_cache_alloc+0x2a4/0x3d4 [ 73.718266][ T4963] btrfs_alloc_tree_block+0xa3c/0x1130 [ 73.719216][ T4963] btrfs_force_cow_block+0x3a8/0x16fc [ 73.720150][ T4963] btrfs_cow_block+0x2d8/0x66c [ 73.720970][ T4963] btrfs_search_slot+0xa10/0x1f44 [ 73.721756][ T4963] btrfs_insert_empty_items+0x1d8/0x2a0 [ 73.722752][ T4963] btrfs_new_inode+0x780/0x1564 [ 73.723568][ T4963] btrfs_create+0x24c/0x514 [ 73.724303][ T4963] path_openat+0xe18/0x2718 [ 73.725081][ T4963] do_filp_open+0x184/0x368 [ 73.725829][ T4963] do_sys_openat2+0x134/0x3f4 [ 73.726615][ T4963] __arm64_sys_openat+0x118/0x14c [ 73.727466][ T4963] invoke_syscall+0x98/0x2b0 [ 73.728261][ T4963] el0_svc_common+0x138/0x258 [ 73.729002][ T4963] do_el0_svc+0x58/0x13c [ 73.729736][ T4963] el0_svc+0x78/0x1d0 [ 73.730412][ T4963] el0t_64_sync_handler+0xcc/0xe4 [ 73.731260][ T4963] el0t_64_sync+0x1a0/0x1a4 [ 73.890247][ T4986] loop0: detected capacity change from 0 to 32768 [ 73.933727][ T4986] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4986) [ 73.937576][ T4986] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 73.938941][ T4986] BTRFS info (device loop0): using free space tree [ 73.939943][ T4986] BTRFS info (device loop0): has skinny extents [ 73.947915][ T4986] BTRFS info (device loop0): enabling ssd optimizations [ 73.951070][ T4986] FAULT_INJECTION: forcing a failure. [ 73.951070][ T4986] name failslab, interval 1, probability 0, space 0, times 1 [ 73.953708][ T4986] CPU: 0 PID: 4986 Comm: syz.0.17 Not tainted syzkaller #0 [ 73.954892][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.956612][ T4986] Call trace: [ 73.957155][ T4986] dump_backtrace+0x0/0x458 [ 73.957865][ T4986] show_stack+0x2c/0x3c [ 73.958561][ T4986] __dump_stack+0x30/0x40 [ 73.959296][ T4986] dump_stack_lvl+0xf4/0x15c [ 73.960045][ T4986] dump_stack+0x1c/0x5c [ 73.960796][ T4986] should_fail+0x3bc/0x514 [ 73.961588][ T4986] __should_failslab+0xbc/0x10c [ 73.962376][ T4986] should_failslab+0x10/0x28 [ 73.963164][ T4986] slab_pre_alloc_hook+0x64/0xe8 [ 73.964021][ T4986] kmem_cache_alloc+0x94/0x3d4 [ 73.964782][ T4986] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 73.965712][ T4986] btrfs_alloc_tree_block+0xb98/0x1130 [ 73.966554][ T4986] btrfs_force_cow_block+0x3a8/0x16fc [ 73.967451][ T4986] btrfs_cow_block+0x2d8/0x66c [ 73.968210][ T4986] btrfs_search_slot+0xa10/0x1f44 [ 73.969032][ T4986] btrfs_insert_empty_items+0x1d8/0x2a0 [ 73.969979][ T4986] btrfs_new_inode+0x780/0x1564 [ 73.970795][ T4986] btrfs_create+0x24c/0x514 [ 73.971537][ T4986] path_openat+0xe18/0x2718 [ 73.972278][ T4986] do_filp_open+0x184/0x368 [ 73.973035][ T4986] do_sys_openat2+0x134/0x3f4 [ 73.973871][ T4986] __arm64_sys_openat+0x118/0x14c [ 73.974669][ T4986] invoke_syscall+0x98/0x2b0 [ 73.975438][ T4986] el0_svc_common+0x138/0x258 [ 73.976171][ T4986] do_el0_svc+0x58/0x13c [ 73.976884][ T4986] el0_svc+0x78/0x1d0 [ 73.977583][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 73.978404][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 74.028704][ T4754] ------------[ cut here ]------------ [ 74.029715][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.031473][ T4754] Modules linked in: [ 74.032081][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Not tainted syzkaller #0 [ 74.033291][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.034995][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.036379][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.037597][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 74.038760][ T4754] sp : ffff80001f517740 [ 74.039441][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001980cf0c [ 74.040827][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 74.042164][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 74.043556][ T4754] x20: ffff0000cc067860 x19: 0000000000000000 x18: 0000000000000000 [ 74.044948][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 74.046366][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 74.047763][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 74.049186][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 74.050589][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 74.051890][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 74.053266][ T4754] Call trace: [ 74.053813][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.054996][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 74.055969][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 74.056989][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 74.057917][ T4754] close_ctree+0x618/0x834 [ 74.058631][ T4754] btrfs_put_super+0x40/0x50 [ 74.059391][ T4754] generic_shutdown_super+0x130/0x2f0 [ 74.060292][ T4754] kill_anon_super+0x4c/0x80 [ 74.061109][ T4754] btrfs_kill_super+0x40/0x58 [ 74.061854][ T4754] deactivate_locked_super+0xb8/0x134 [ 74.062801][ T4754] deactivate_super+0xf0/0x110 [ 74.063640][ T4754] cleanup_mnt+0x3b8/0x46c [ 74.064378][ T4754] __cleanup_mnt+0x20/0x30 [ 74.065111][ T4754] task_work_run+0x12c/0x1d8 [ 74.065862][ T4754] do_notify_resume+0x2450/0x309c [ 74.066674][ T4754] el0_svc+0xf0/0x1d0 [ 74.067311][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 74.068100][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 74.068791][ T4754] irq event stamp: 130094 [ 74.069483][ T4754] hardirqs last enabled at (130093): [] kasan_quarantine_put+0xc4/0x200 [ 74.071118][ T4754] hardirqs last disabled at (130094): [] el1_dbg+0x24/0x80 [ 74.072537][ T4754] softirqs last enabled at (129578): [] handle_softirqs+0xa40/0xbe4 [ 74.074208][ T4754] softirqs last disabled at (129541): [] __irq_exit_rcu+0x240/0x43c [ 74.075858][ T4754] ---[ end trace 6e9de490bdfcebf8 ]--- [ 74.192088][ T5008] loop0: detected capacity change from 0 to 32768 [ 74.243690][ T5008] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5008) [ 74.262628][ T4174] Bluetooth: hci0: command 0x040f tx timeout [ 74.313826][ T5008] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.315296][ T5008] BTRFS info (device loop0): using free space tree [ 74.316371][ T5008] BTRFS info (device loop0): has skinny extents [ 74.325914][ T5008] BTRFS info (device loop0): enabling ssd optimizations [ 74.329510][ T5008] FAULT_INJECTION: forcing a failure. [ 74.329510][ T5008] name failslab, interval 1, probability 0, space 0, times 0 [ 74.331754][ T5008] CPU: 0 PID: 5008 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 74.333164][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.334861][ T5008] Call trace: [ 74.335394][ T5008] dump_backtrace+0x0/0x458 [ 74.336174][ T5008] show_stack+0x2c/0x3c [ 74.336845][ T5008] __dump_stack+0x30/0x40 [ 74.337568][ T5008] dump_stack_lvl+0xf4/0x15c [ 74.338413][ T5008] dump_stack+0x1c/0x5c [ 74.339132][ T5008] should_fail+0x3bc/0x514 [ 74.339911][ T5008] __should_failslab+0xbc/0x10c [ 74.340768][ T5008] should_failslab+0x10/0x28 [ 74.341564][ T5008] slab_pre_alloc_hook+0x64/0xe8 [ 74.342384][ T5008] kmem_cache_alloc+0x94/0x3d4 [ 74.343225][ T5008] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 74.344192][ T5008] btrfs_alloc_tree_block+0xb98/0x1130 [ 74.345063][ T5008] btrfs_force_cow_block+0x3a8/0x16fc [ 74.345900][ T5008] btrfs_cow_block+0x2d8/0x66c [ 74.346665][ T5008] btrfs_search_slot+0xa10/0x1f44 [ 74.347493][ T5008] btrfs_insert_empty_items+0x1d8/0x2a0 [ 74.348433][ T5008] btrfs_new_inode+0x780/0x1564 [ 74.349303][ T5008] btrfs_create+0x24c/0x514 [ 74.350081][ T5008] path_openat+0xe18/0x2718 [ 74.350797][ T5008] do_filp_open+0x184/0x368 [ 74.351575][ T5008] do_sys_openat2+0x134/0x3f4 [ 74.352373][ T5008] __arm64_sys_openat+0x118/0x14c [ 74.353217][ T5008] invoke_syscall+0x98/0x2b0 [ 74.353976][ T5008] el0_svc_common+0x138/0x258 [ 74.354753][ T5008] do_el0_svc+0x58/0x13c [ 74.355486][ T5008] el0_svc+0x78/0x1d0 [ 74.356150][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 74.356994][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 74.395345][ T4754] ------------[ cut here ]------------ [ 74.396327][ T4754] WARNING: CPU: 0 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.398243][ T4754] Modules linked in: [ 74.398868][ T4754] CPU: 0 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.400281][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.401938][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.403257][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.404544][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 74.405762][ T4754] sp : ffff80001f517740 [ 74.406456][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001b919b0c [ 74.407804][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 74.409118][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 74.410494][ T4754] x20: ffff0000dc8cd860 x19: 0000000000000000 x18: 0000000000000000 [ 74.411868][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 74.413179][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 74.414537][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 74.415902][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 74.417235][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 74.418552][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 74.419909][ T4754] Call trace: [ 74.420466][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.421548][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 74.422521][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 74.423549][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 74.424490][ T4754] close_ctree+0x618/0x834 [ 74.425215][ T4754] btrfs_put_super+0x40/0x50 [ 74.426031][ T4754] generic_shutdown_super+0x130/0x2f0 [ 74.426895][ T4754] kill_anon_super+0x4c/0x80 [ 74.427712][ T4754] btrfs_kill_super+0x40/0x58 [ 74.428496][ T4754] deactivate_locked_super+0xb8/0x134 [ 74.429430][ T4754] deactivate_super+0xf0/0x110 [ 74.430260][ T4754] cleanup_mnt+0x3b8/0x46c [ 74.431030][ T4754] __cleanup_mnt+0x20/0x30 [ 74.431787][ T4754] task_work_run+0x12c/0x1d8 [ 74.432547][ T4754] do_notify_resume+0x2450/0x309c [ 74.433404][ T4754] el0_svc+0xf0/0x1d0 [ 74.434122][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 74.434924][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 74.435717][ T4754] irq event stamp: 136960 [ 74.436459][ T4754] hardirqs last enabled at (136959): [] kasan_quarantine_put+0xc4/0x200 [ 74.438259][ T4754] hardirqs last disabled at (136960): [] el1_dbg+0x24/0x80 [ 74.439728][ T4754] softirqs last enabled at (136804): [] handle_softirqs+0xa40/0xbe4 [ 74.441496][ T4754] softirqs last disabled at (136751): [] __irq_exit_rcu+0x240/0x43c [ 74.443153][ T4754] ---[ end trace 6e9de490bdfcebf9 ]--- [ 74.595695][ T5032] loop0: detected capacity change from 0 to 32768 [ 74.685699][ T5032] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5032) [ 74.689459][ T5032] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.690913][ T5032] BTRFS info (device loop0): using free space tree [ 74.692121][ T5032] BTRFS info (device loop0): has skinny extents [ 74.707991][ T5032] BTRFS info (device loop0): enabling ssd optimizations [ 74.711109][ T5032] FAULT_INJECTION: forcing a failure. [ 74.711109][ T5032] name failslab, interval 1, probability 0, space 0, times 0 [ 74.713798][ T5032] CPU: 1 PID: 5032 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 74.715096][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.716710][ T5032] Call trace: [ 74.717249][ T5032] dump_backtrace+0x0/0x458 [ 74.718064][ T5032] show_stack+0x2c/0x3c [ 74.718719][ T5032] __dump_stack+0x30/0x40 [ 74.719423][ T5032] dump_stack_lvl+0xf4/0x15c [ 74.720158][ T5032] dump_stack+0x1c/0x5c [ 74.720820][ T5032] should_fail+0x3bc/0x514 [ 74.721578][ T5032] __should_failslab+0xbc/0x10c [ 74.722418][ T5032] should_failslab+0x10/0x28 [ 74.723179][ T5032] slab_pre_alloc_hook+0x64/0xe8 [ 74.723970][ T5032] kmem_cache_alloc+0x94/0x3d4 [ 74.724782][ T5032] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 74.725753][ T5032] btrfs_alloc_tree_block+0xb98/0x1130 [ 74.726759][ T5032] btrfs_force_cow_block+0x3a8/0x16fc [ 74.727611][ T5032] btrfs_cow_block+0x2d8/0x66c [ 74.728330][ T5032] btrfs_search_slot+0xa10/0x1f44 [ 74.729096][ T5032] btrfs_insert_empty_items+0x1d8/0x2a0 [ 74.729986][ T5032] btrfs_new_inode+0x780/0x1564 [ 74.730753][ T5032] btrfs_create+0x24c/0x514 [ 74.731450][ T5032] path_openat+0xe18/0x2718 [ 74.732148][ T5032] do_filp_open+0x184/0x368 [ 74.732899][ T5032] do_sys_openat2+0x134/0x3f4 [ 74.733707][ T5032] __arm64_sys_openat+0x118/0x14c [ 74.734593][ T5032] invoke_syscall+0x98/0x2b0 [ 74.735391][ T5032] el0_svc_common+0x138/0x258 [ 74.736198][ T5032] do_el0_svc+0x58/0x13c [ 74.736913][ T5032] el0_svc+0x78/0x1d0 [ 74.737561][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 74.738404][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 74.776177][ T4754] ------------[ cut here ]------------ [ 74.777094][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.779081][ T4754] Modules linked in: [ 74.779701][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.781097][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.782830][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.784172][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.785331][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 74.786465][ T4754] sp : ffff80001f517740 [ 74.787128][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001b75c70c [ 74.788422][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 74.789743][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 74.791110][ T4754] x20: ffff0000dbae3860 x19: 0000000000000000 x18: 0000000000000000 [ 74.792441][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 74.793777][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 74.795165][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 74.796568][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 74.798007][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 74.799296][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 74.800542][ T4754] Call trace: [ 74.801097][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.802273][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 74.803206][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 74.804221][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 74.805151][ T4754] close_ctree+0x618/0x834 [ 74.805943][ T4754] btrfs_put_super+0x40/0x50 [ 74.806735][ T4754] generic_shutdown_super+0x130/0x2f0 [ 74.807641][ T4754] kill_anon_super+0x4c/0x80 [ 74.808351][ T4754] btrfs_kill_super+0x40/0x58 [ 74.809181][ T4754] deactivate_locked_super+0xb8/0x134 [ 74.810068][ T4754] deactivate_super+0xf0/0x110 [ 74.810896][ T4754] cleanup_mnt+0x3b8/0x46c [ 74.811648][ T4754] __cleanup_mnt+0x20/0x30 [ 74.812457][ T4754] task_work_run+0x12c/0x1d8 [ 74.813243][ T4754] do_notify_resume+0x2450/0x309c [ 74.814089][ T4754] el0_svc+0xf0/0x1d0 [ 74.814732][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 74.815623][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 74.816448][ T4754] irq event stamp: 152882 [ 74.817187][ T4754] hardirqs last enabled at (152881): [] kasan_quarantine_put+0xc4/0x200 [ 74.818915][ T4754] hardirqs last disabled at (152882): [] el1_dbg+0x24/0x80 [ 74.820358][ T4754] softirqs last enabled at (152772): [] handle_softirqs+0xa40/0xbe4 [ 74.821893][ T4754] softirqs last disabled at (152723): [] __irq_exit_rcu+0x240/0x43c [ 74.823482][ T4754] ---[ end trace 6e9de490bdfcebfa ]--- [ 74.893925][ T136] device hsr_slave_0 left promiscuous mode [ 74.942449][ T136] device hsr_slave_1 left promiscuous mode [ 74.955601][ T5054] loop0: detected capacity change from 0 to 32768 [ 74.963517][ T5054] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5054) [ 74.971344][ T5054] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.973193][ T5054] BTRFS info (device loop0): using free space tree [ 74.974276][ T5054] BTRFS info (device loop0): has skinny extents [ 74.981578][ T5054] BTRFS info (device loop0): enabling ssd optimizations [ 74.984897][ T5054] FAULT_INJECTION: forcing a failure. [ 74.984897][ T5054] name failslab, interval 1, probability 0, space 0, times 0 [ 74.987026][ T5054] CPU: 0 PID: 5054 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 74.988369][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.990085][ T5054] Call trace: [ 74.990595][ T5054] dump_backtrace+0x0/0x458 [ 74.991267][ T5054] show_stack+0x2c/0x3c [ 74.991865][ T5054] __dump_stack+0x30/0x40 [ 74.992571][ T5054] dump_stack_lvl+0xf4/0x15c [ 74.993361][ T5054] dump_stack+0x1c/0x5c [ 74.994050][ T5054] should_fail+0x3bc/0x514 [ 74.994771][ T5054] __should_failslab+0xbc/0x10c [ 74.995580][ T5054] should_failslab+0x10/0x28 [ 74.996328][ T5054] slab_pre_alloc_hook+0x64/0xe8 [ 74.997169][ T5054] kmem_cache_alloc+0x94/0x3d4 [ 74.997972][ T5054] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 74.998930][ T5054] btrfs_alloc_tree_block+0xb98/0x1130 [ 74.999902][ T5054] btrfs_force_cow_block+0x3a8/0x16fc [ 75.000846][ T5054] btrfs_cow_block+0x2d8/0x66c [ 75.001641][ T5054] btrfs_search_slot+0xa10/0x1f44 [ 75.002543][ T5054] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.003506][ T5054] btrfs_new_inode+0x780/0x1564 [ 75.004302][ T5054] btrfs_create+0x24c/0x514 [ 75.004990][ T5054] path_openat+0xe18/0x2718 [ 75.005682][ T5054] do_filp_open+0x184/0x368 [ 75.006369][ T5054] do_sys_openat2+0x134/0x3f4 [ 75.007026][ T5054] __arm64_sys_openat+0x118/0x14c [ 75.007872][ T5054] invoke_syscall+0x98/0x2b0 [ 75.008622][ T5054] el0_svc_common+0x138/0x258 [ 75.009410][ T5054] do_el0_svc+0x58/0x13c [ 75.010172][ T5054] el0_svc+0x78/0x1d0 [ 75.010846][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 75.011704][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 75.042212][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.043490][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.045568][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.046773][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.046813][ T4754] ------------[ cut here ]------------ [ 75.048839][ T4754] WARNING: CPU: 0 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.050681][ T4754] Modules linked in: [ 75.051258][ T4754] CPU: 0 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.052615][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.054162][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.055334][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.056373][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 75.057492][ T4754] sp : ffff80001f517740 [ 75.058123][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001b789c0c [ 75.059435][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 75.060677][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 75.062041][ T4754] x20: ffff0000dbc4e060 x19: 0000000000000000 x18: 0000000000000000 [ 75.063272][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 75.064549][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 75.065883][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 75.067119][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 75.068403][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 75.069625][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 75.070968][ T4754] Call trace: [ 75.071613][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.072780][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 75.073721][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 75.074723][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 75.075642][ T4754] close_ctree+0x618/0x834 [ 75.076385][ T4754] btrfs_put_super+0x40/0x50 [ 75.077112][ T4754] generic_shutdown_super+0x130/0x2f0 [ 75.077985][ T4754] kill_anon_super+0x4c/0x80 [ 75.078731][ T4754] btrfs_kill_super+0x40/0x58 [ 75.079424][ T4754] deactivate_locked_super+0xb8/0x134 [ 75.080203][ T4754] deactivate_super+0xf0/0x110 [ 75.080862][ T4754] cleanup_mnt+0x3b8/0x46c [ 75.081495][ T4754] __cleanup_mnt+0x20/0x30 [ 75.082125][ T4754] task_work_run+0x12c/0x1d8 [ 75.082771][ T4754] do_notify_resume+0x2450/0x309c [ 75.083537][ T4754] el0_svc+0xf0/0x1d0 [ 75.084140][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 75.084877][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 75.085518][ T4754] irq event stamp: 169140 [ 75.086158][ T4754] hardirqs last enabled at (169139): [] kasan_quarantine_put+0xc4/0x200 [ 75.087629][ T4754] hardirqs last disabled at (169140): [] el1_dbg+0x24/0x80 [ 75.088896][ T4754] softirqs last enabled at (166688): [] local_bh_enable+0x10/0x34 [ 75.090256][ T4754] softirqs last disabled at (166686): [] local_bh_disable+0x10/0x34 [ 75.091641][ T4754] ---[ end trace 6e9de490bdfcebfb ]--- [ 75.093829][ T136] device bridge_slave_1 left promiscuous mode [ 75.094916][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.122636][ T136] device bridge_slave_0 left promiscuous mode [ 75.123671][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.199238][ T5076] loop0: detected capacity change from 0 to 32768 [ 75.242146][ T136] device veth1_macvtap left promiscuous mode [ 75.243162][ T136] device veth0_macvtap left promiscuous mode [ 75.244201][ T136] device veth1_vlan left promiscuous mode [ 75.245197][ T136] device veth0_vlan left promiscuous mode [ 75.247836][ T5076] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5076) [ 75.255547][ T5076] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.257951][ T5076] BTRFS info (device loop0): using free space tree [ 75.259224][ T5076] BTRFS info (device loop0): has skinny extents [ 75.311629][ T5076] BTRFS info (device loop0): enabling ssd optimizations [ 75.316609][ T5076] FAULT_INJECTION: forcing a failure. [ 75.316609][ T5076] name failslab, interval 1, probability 0, space 0, times 0 [ 75.318672][ T5076] CPU: 1 PID: 5076 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 75.320099][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.321732][ T5076] Call trace: [ 75.322266][ T5076] dump_backtrace+0x0/0x458 [ 75.322968][ T5076] show_stack+0x2c/0x3c [ 75.323623][ T5076] __dump_stack+0x30/0x40 [ 75.324319][ T5076] dump_stack_lvl+0xf4/0x15c [ 75.325031][ T5076] dump_stack+0x1c/0x5c [ 75.325668][ T5076] should_fail+0x3bc/0x514 [ 75.326347][ T5076] __should_failslab+0xbc/0x10c [ 75.327078][ T5076] should_failslab+0x10/0x28 [ 75.327792][ T5076] slab_pre_alloc_hook+0x64/0xe8 [ 75.328571][ T5076] kmem_cache_alloc+0x94/0x3d4 [ 75.329302][ T5076] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 75.330189][ T5076] btrfs_alloc_tree_block+0xb98/0x1130 [ 75.331021][ T5076] btrfs_force_cow_block+0x3a8/0x16fc [ 75.331875][ T5076] btrfs_cow_block+0x2d8/0x66c [ 75.332610][ T5076] btrfs_search_slot+0xa10/0x1f44 [ 75.333368][ T5076] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.334226][ T5076] btrfs_new_inode+0x780/0x1564 [ 75.334980][ T5076] btrfs_create+0x24c/0x514 [ 75.335694][ T5076] path_openat+0xe18/0x2718 [ 75.336430][ T5076] do_filp_open+0x184/0x368 [ 75.337146][ T5076] do_sys_openat2+0x134/0x3f4 [ 75.337909][ T5076] __arm64_sys_openat+0x118/0x14c [ 75.338792][ T5076] invoke_syscall+0x98/0x2b0 [ 75.339519][ T5076] el0_svc_common+0x138/0x258 [ 75.340298][ T5076] do_el0_svc+0x58/0x13c [ 75.341012][ T5076] el0_svc+0x78/0x1d0 [ 75.341729][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 75.342606][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 75.388040][ T4754] ------------[ cut here ]------------ [ 75.388911][ T4754] WARNING: CPU: 0 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.390873][ T4754] Modules linked in: [ 75.391533][ T4754] CPU: 0 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.393034][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.394741][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.396131][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.397319][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 75.398541][ T4754] sp : ffff80001f517740 [ 75.399190][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe00019d7b90c [ 75.400478][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 75.401712][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 75.403020][ T4754] x20: ffff0000cebdc860 x19: 0000000000000000 x18: 0000000000000000 [ 75.404349][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 75.405624][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 75.406887][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 75.408132][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 75.409374][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 75.410707][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 75.412041][ T4754] Call trace: [ 75.412580][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.413688][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 75.414569][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 75.415552][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 75.416446][ T4754] close_ctree+0x618/0x834 [ 75.417155][ T4754] btrfs_put_super+0x40/0x50 [ 75.417885][ T4754] generic_shutdown_super+0x130/0x2f0 [ 75.418751][ T4754] kill_anon_super+0x4c/0x80 [ 75.419489][ T4754] btrfs_kill_super+0x40/0x58 [ 75.420240][ T4754] deactivate_locked_super+0xb8/0x134 [ 75.421082][ T4754] deactivate_super+0xf0/0x110 [ 75.421834][ T4754] cleanup_mnt+0x3b8/0x46c [ 75.422531][ T4754] __cleanup_mnt+0x20/0x30 [ 75.423232][ T4754] task_work_run+0x12c/0x1d8 [ 75.423954][ T4754] do_notify_resume+0x2450/0x309c [ 75.424736][ T4754] el0_svc+0xf0/0x1d0 [ 75.425378][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 75.426166][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 75.426942][ T4754] irq event stamp: 174550 [ 75.427689][ T4754] hardirqs last enabled at (174549): [] kasan_quarantine_put+0xc4/0x200 [ 75.429296][ T4754] hardirqs last disabled at (174550): [] el1_dbg+0x24/0x80 [ 75.430738][ T4754] softirqs last enabled at (172646): [] local_bh_enable+0x10/0x34 [ 75.432215][ T4754] softirqs last disabled at (172644): [] local_bh_disable+0x10/0x34 [ 75.433689][ T4754] ---[ end trace 6e9de490bdfcebfc ]--- [ 75.460898][ T136] team0 (unregistering): Port device team_slave_1 removed [ 75.467413][ T136] team0 (unregistering): Port device team_slave_0 removed [ 75.471407][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.515116][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.575597][ T5098] loop0: detected capacity change from 0 to 32768 [ 75.630157][ T136] bond0 (unregistering): Released all slaves [ 75.633638][ T5098] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5098) [ 75.643379][ T5098] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.644770][ T5098] BTRFS info (device loop0): using free space tree [ 75.645772][ T5098] BTRFS info (device loop0): has skinny extents [ 75.657494][ T5098] BTRFS info (device loop0): enabling ssd optimizations [ 75.660904][ T5098] FAULT_INJECTION: forcing a failure. [ 75.660904][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 75.663873][ T5098] CPU: 0 PID: 5098 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 75.665083][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.666675][ T5098] Call trace: [ 75.667189][ T5098] dump_backtrace+0x0/0x458 [ 75.667861][ T5098] show_stack+0x2c/0x3c [ 75.668538][ T5098] __dump_stack+0x30/0x40 [ 75.669153][ T5098] dump_stack_lvl+0xf4/0x15c [ 75.669819][ T5098] dump_stack+0x1c/0x5c [ 75.670406][ T5098] should_fail+0x3bc/0x514 [ 75.671069][ T5098] __should_failslab+0xbc/0x10c [ 75.671795][ T5098] should_failslab+0x10/0x28 [ 75.672500][ T5098] slab_pre_alloc_hook+0x64/0xe8 [ 75.673312][ T5098] kmem_cache_alloc+0x94/0x3d4 [ 75.674171][ T5098] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 75.675174][ T5098] btrfs_alloc_tree_block+0xb98/0x1130 [ 75.676096][ T5098] btrfs_force_cow_block+0x3a8/0x16fc [ 75.676935][ T5098] btrfs_cow_block+0x2d8/0x66c [ 75.677652][ T5098] btrfs_search_slot+0xa10/0x1f44 [ 75.678451][ T5098] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.679409][ T5098] btrfs_new_inode+0x780/0x1564 [ 75.680229][ T5098] btrfs_create+0x24c/0x514 [ 75.680984][ T5098] path_openat+0xe18/0x2718 [ 75.681692][ T5098] do_filp_open+0x184/0x368 [ 75.682394][ T5098] do_sys_openat2+0x134/0x3f4 [ 75.683119][ T5098] __arm64_sys_openat+0x118/0x14c [ 75.683905][ T5098] invoke_syscall+0x98/0x2b0 [ 75.684688][ T5098] el0_svc_common+0x138/0x258 [ 75.685503][ T5098] do_el0_svc+0x58/0x13c [ 75.686247][ T5098] el0_svc+0x78/0x1d0 [ 75.686947][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 75.687827][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 75.724661][ T4754] ------------[ cut here ]------------ [ 75.725464][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.727325][ T4754] Modules linked in: [ 75.727977][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.729419][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.731002][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.732287][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.733422][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 75.734639][ T4754] sp : ffff80001f517740 [ 75.735328][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001ad3290c [ 75.736658][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 75.737949][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 75.739232][ T4754] x20: ffff0000d6994860 x19: 0000000000000000 x18: 0000000000000000 [ 75.740553][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 75.741806][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 75.743060][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 75.744273][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 75.745545][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 75.746831][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 75.748209][ T4754] Call trace: [ 75.748755][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.749925][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 75.750864][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 75.751923][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 75.752815][ T4754] close_ctree+0x618/0x834 [ 75.753527][ T4754] btrfs_put_super+0x40/0x50 [ 75.754312][ T4754] generic_shutdown_super+0x130/0x2f0 [ 75.755215][ T4754] kill_anon_super+0x4c/0x80 [ 75.755999][ T4754] btrfs_kill_super+0x40/0x58 [ 75.756783][ T4754] deactivate_locked_super+0xb8/0x134 [ 75.757687][ T4754] deactivate_super+0xf0/0x110 [ 75.758471][ T4754] cleanup_mnt+0x3b8/0x46c [ 75.759217][ T4754] __cleanup_mnt+0x20/0x30 [ 75.759899][ T4754] task_work_run+0x12c/0x1d8 [ 75.760739][ T4754] do_notify_resume+0x2450/0x309c [ 75.761607][ T4754] el0_svc+0xf0/0x1d0 [ 75.762314][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 75.763199][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 75.763952][ T4754] irq event stamp: 190792 [ 75.764701][ T4754] hardirqs last enabled at (190791): [] kasan_quarantine_put+0xc4/0x200 [ 75.766376][ T4754] hardirqs last disabled at (190792): [] el1_dbg+0x24/0x80 [ 75.767882][ T4754] softirqs last enabled at (189114): [] handle_softirqs+0xa40/0xbe4 [ 75.769537][ T4754] softirqs last disabled at (189053): [] __irq_exit_rcu+0x240/0x43c [ 75.771213][ T4754] ---[ end trace 6e9de490bdfcebfd ]--- [ 75.912756][ T5120] loop0: detected capacity change from 0 to 32768 [ 75.957057][ T5120] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5120) [ 75.961617][ T5120] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.963110][ T5120] BTRFS info (device loop0): using free space tree [ 75.964167][ T5120] BTRFS info (device loop0): has skinny extents [ 75.971315][ T5120] BTRFS info (device loop0): enabling ssd optimizations [ 75.977544][ T5120] FAULT_INJECTION: forcing a failure. [ 75.977544][ T5120] name failslab, interval 1, probability 0, space 0, times 0 [ 75.979678][ T5120] CPU: 1 PID: 5120 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 75.981083][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.982802][ T5120] Call trace: [ 75.983324][ T5120] dump_backtrace+0x0/0x458 [ 75.984101][ T5120] show_stack+0x2c/0x3c [ 75.984783][ T5120] __dump_stack+0x30/0x40 [ 75.985544][ T5120] dump_stack_lvl+0xf4/0x15c [ 75.986304][ T5120] dump_stack+0x1c/0x5c [ 75.987002][ T5120] should_fail+0x3bc/0x514 [ 75.987716][ T5120] __should_failslab+0xbc/0x10c [ 75.988537][ T5120] should_failslab+0x10/0x28 [ 75.989321][ T5120] slab_pre_alloc_hook+0x64/0xe8 [ 75.990175][ T5120] kmem_cache_alloc+0x94/0x3d4 [ 75.990969][ T5120] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 75.991886][ T5120] btrfs_alloc_tree_block+0xb98/0x1130 [ 75.992727][ T5120] btrfs_force_cow_block+0x3a8/0x16fc [ 75.993629][ T5120] btrfs_cow_block+0x2d8/0x66c [ 75.994417][ T5120] btrfs_search_slot+0xa10/0x1f44 [ 75.995208][ T5120] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.996092][ T5120] btrfs_new_inode+0x780/0x1564 [ 75.996884][ T5120] btrfs_create+0x24c/0x514 [ 75.997623][ T5120] path_openat+0xe18/0x2718 [ 75.998360][ T5120] do_filp_open+0x184/0x368 [ 75.999113][ T5120] do_sys_openat2+0x134/0x3f4 [ 75.999874][ T5120] __arm64_sys_openat+0x118/0x14c [ 76.000664][ T5120] invoke_syscall+0x98/0x2b0 [ 76.001391][ T5120] el0_svc_common+0x138/0x258 [ 76.002118][ T5120] do_el0_svc+0x58/0x13c [ 76.002806][ T5120] el0_svc+0x78/0x1d0 [ 76.003456][ T5120] el0t_64_sync_handler+0xcc/0xe4 [ 76.004229][ T5120] el0t_64_sync+0x1a0/0x1a4 [ 76.046652][ T4754] ------------[ cut here ]------------ [ 76.047468][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.049418][ T4754] Modules linked in: [ 76.050089][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.051718][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.053413][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.054783][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.056001][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 76.057198][ T4754] sp : ffff80001f517740 [ 76.057902][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe000183d8c0c [ 76.059263][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 76.060605][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 76.061897][ T4754] x20: ffff0000c1ec6060 x19: 0000000000000000 x18: 0000000000000000 [ 76.063201][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 76.064539][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 76.065931][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 76.067269][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 76.068627][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 76.070013][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 76.071396][ T4754] Call trace: [ 76.071921][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.073046][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 76.073993][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 76.075007][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 76.075960][ T4754] close_ctree+0x618/0x834 [ 76.076671][ T4754] btrfs_put_super+0x40/0x50 [ 76.077433][ T4754] generic_shutdown_super+0x130/0x2f0 [ 76.078404][ T4754] kill_anon_super+0x4c/0x80 [ 76.079152][ T4754] btrfs_kill_super+0x40/0x58 [ 76.079979][ T4754] deactivate_locked_super+0xb8/0x134 [ 76.080926][ T4754] deactivate_super+0xf0/0x110 [ 76.081729][ T4754] cleanup_mnt+0x3b8/0x46c [ 76.082510][ T4754] __cleanup_mnt+0x20/0x30 [ 76.083394][ T4754] task_work_run+0x12c/0x1d8 [ 76.084202][ T4754] do_notify_resume+0x2450/0x309c [ 76.085134][ T4754] el0_svc+0xf0/0x1d0 [ 76.085864][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 76.086738][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 76.087585][ T4754] irq event stamp: 207176 [ 76.088313][ T4754] hardirqs last enabled at (207175): [] kasan_quarantine_put+0xc4/0x200 [ 76.089957][ T4754] hardirqs last disabled at (207176): [] el1_dbg+0x24/0x80 [ 76.091425][ T4754] softirqs last enabled at (205572): [] handle_softirqs+0xa40/0xbe4 [ 76.093154][ T4754] softirqs last disabled at (205423): [] __irq_exit_rcu+0x240/0x43c [ 76.094802][ T4754] ---[ end trace 6e9de490bdfcebfe ]--- [ 76.268331][ T5142] loop0: detected capacity change from 0 to 32768 [ 76.317637][ T5142] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5142) [ 76.324807][ T5142] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.326357][ T5142] BTRFS info (device loop0): using free space tree [ 76.327488][ T5142] BTRFS info (device loop0): has skinny extents [ 76.342043][ T25] Bluetooth: hci0: command 0x0419 tx timeout [ 76.357833][ T5142] BTRFS info (device loop0): enabling ssd optimizations [ 76.360828][ T5142] FAULT_INJECTION: forcing a failure. [ 76.360828][ T5142] name failslab, interval 1, probability 0, space 0, times 0 [ 76.363707][ T5142] CPU: 1 PID: 5142 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 76.365022][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.366705][ T5142] Call trace: [ 76.367235][ T5142] dump_backtrace+0x0/0x458 [ 76.367994][ T5142] show_stack+0x2c/0x3c [ 76.368649][ T5142] __dump_stack+0x30/0x40 [ 76.369362][ T5142] dump_stack_lvl+0xf4/0x15c [ 76.370124][ T5142] dump_stack+0x1c/0x5c [ 76.370815][ T5142] should_fail+0x3bc/0x514 [ 76.371514][ T5142] __should_failslab+0xbc/0x10c [ 76.372307][ T5142] should_failslab+0x10/0x28 [ 76.373103][ T5142] slab_pre_alloc_hook+0x64/0xe8 [ 76.373950][ T5142] kmem_cache_alloc+0x94/0x3d4 [ 76.374745][ T5142] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 76.375747][ T5142] btrfs_alloc_tree_block+0xb98/0x1130 [ 76.376727][ T5142] btrfs_force_cow_block+0x3a8/0x16fc [ 76.377629][ T5142] btrfs_cow_block+0x2d8/0x66c [ 76.378422][ T5142] btrfs_search_slot+0xa10/0x1f44 [ 76.379287][ T5142] btrfs_insert_empty_items+0x1d8/0x2a0 [ 76.380204][ T5142] btrfs_new_inode+0x780/0x1564 [ 76.380993][ T5142] btrfs_create+0x24c/0x514 [ 76.381726][ T5142] path_openat+0xe18/0x2718 [ 76.382442][ T5142] do_filp_open+0x184/0x368 [ 76.383221][ T5142] do_sys_openat2+0x134/0x3f4 [ 76.384023][ T5142] __arm64_sys_openat+0x118/0x14c [ 76.384882][ T5142] invoke_syscall+0x98/0x2b0 [ 76.385708][ T5142] el0_svc_common+0x138/0x258 [ 76.386594][ T5142] do_el0_svc+0x58/0x13c [ 76.387340][ T5142] el0_svc+0x78/0x1d0 [ 76.388058][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 76.388923][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 76.428432][ T4754] ------------[ cut here ]------------ [ 76.429315][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.431252][ T4754] Modules linked in: [ 76.431834][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.433406][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.435075][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.436413][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.437577][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 76.438742][ T4754] sp : ffff80001f517740 [ 76.439447][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001aaa200c [ 76.440881][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 76.442256][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 76.443650][ T4754] x20: ffff0000d5510060 x19: 0000000000000000 x18: 0000000000000000 [ 76.445127][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 76.446546][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 76.447990][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 76.449349][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 76.450648][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 76.452044][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 76.453445][ T4754] Call trace: [ 76.453980][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.455172][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 76.456116][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 76.457170][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 76.458033][ T4754] close_ctree+0x618/0x834 [ 76.458848][ T4754] btrfs_put_super+0x40/0x50 [ 76.459612][ T4754] generic_shutdown_super+0x130/0x2f0 [ 76.460539][ T4754] kill_anon_super+0x4c/0x80 [ 76.461311][ T4754] btrfs_kill_super+0x40/0x58 [ 76.462064][ T4754] deactivate_locked_super+0xb8/0x134 [ 76.463050][ T4754] deactivate_super+0xf0/0x110 [ 76.463901][ T4754] cleanup_mnt+0x3b8/0x46c [ 76.464636][ T4754] __cleanup_mnt+0x20/0x30 [ 76.465422][ T4754] task_work_run+0x12c/0x1d8 [ 76.466231][ T4754] do_notify_resume+0x2450/0x309c [ 76.467041][ T4754] el0_svc+0xf0/0x1d0 [ 76.467685][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 76.468532][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 76.469246][ T4754] irq event stamp: 222978 [ 76.469964][ T4754] hardirqs last enabled at (222977): [] kasan_quarantine_put+0xc4/0x200 [ 76.471542][ T4754] hardirqs last disabled at (222978): [] el1_dbg+0x24/0x80 [ 76.472921][ T4754] softirqs last enabled at (222462): [] handle_softirqs+0xa40/0xbe4 [ 76.474471][ T4754] softirqs last disabled at (222413): [] __irq_exit_rcu+0x240/0x43c [ 76.476135][ T4754] ---[ end trace 6e9de490bdfcebff ]--- [ 76.613246][ T5164] loop0: detected capacity change from 0 to 32768 [ 76.665712][ T5164] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5164) [ 76.672439][ T5164] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.673921][ T5164] BTRFS info (device loop0): using free space tree [ 76.675091][ T5164] BTRFS info (device loop0): has skinny extents [ 76.686351][ T5164] BTRFS info (device loop0): enabling ssd optimizations [ 76.689248][ T5164] FAULT_INJECTION: forcing a failure. [ 76.689248][ T5164] name failslab, interval 1, probability 0, space 0, times 0 [ 76.691427][ T5164] CPU: 0 PID: 5164 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 76.692888][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.694577][ T5164] Call trace: [ 76.695154][ T5164] dump_backtrace+0x0/0x458 [ 76.695881][ T5164] show_stack+0x2c/0x3c [ 76.696581][ T5164] __dump_stack+0x30/0x40 [ 76.697328][ T5164] dump_stack_lvl+0xf4/0x15c [ 76.698074][ T5164] dump_stack+0x1c/0x5c [ 76.698738][ T5164] should_fail+0x3bc/0x514 [ 76.699423][ T5164] __should_failslab+0xbc/0x10c [ 76.700203][ T5164] should_failslab+0x10/0x28 [ 76.700933][ T5164] slab_pre_alloc_hook+0x64/0xe8 [ 76.701745][ T5164] kmem_cache_alloc+0x94/0x3d4 [ 76.702623][ T5164] btrfs_alloc_tree_block+0xa3c/0x1130 [ 76.703518][ T5164] btrfs_force_cow_block+0x3a8/0x16fc [ 76.704424][ T5164] btrfs_cow_block+0x2d8/0x66c [ 76.705272][ T5164] btrfs_search_slot+0xa10/0x1f44 [ 76.706134][ T5164] btrfs_insert_empty_items+0x1d8/0x2a0 [ 76.707109][ T5164] btrfs_new_inode+0x780/0x1564 [ 76.707929][ T5164] btrfs_create+0x24c/0x514 [ 76.708710][ T5164] path_openat+0xe18/0x2718 [ 76.709471][ T5164] do_filp_open+0x184/0x368 [ 76.710243][ T5164] do_sys_openat2+0x134/0x3f4 [ 76.710984][ T5164] __arm64_sys_openat+0x118/0x14c [ 76.711852][ T5164] invoke_syscall+0x98/0x2b0 [ 76.712620][ T5164] el0_svc_common+0x138/0x258 [ 76.713371][ T5164] do_el0_svc+0x58/0x13c [ 76.714068][ T5164] el0_svc+0x78/0x1d0 [ 76.714754][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 76.715627][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 76.749412][ T4754] ------------[ cut here ]------------ [ 76.750231][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.752029][ T4754] Modules linked in: [ 76.752697][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.754209][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.755954][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.757300][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.758521][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 76.759748][ T4754] sp : ffff80001f517740 [ 76.760471][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe000199d4e0c [ 76.761873][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 76.763260][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 76.764615][ T4754] x20: ffff0000ccea7060 x19: 0000000000000000 x18: 0000000000000000 [ 76.765977][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 76.767353][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 76.768713][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 76.770109][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 76.771510][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 76.772870][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 76.774216][ T4754] Call trace: [ 76.774785][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.775904][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 76.776792][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 76.777823][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 76.778796][ T4754] close_ctree+0x618/0x834 [ 76.779539][ T4754] btrfs_put_super+0x40/0x50 [ 76.780354][ T4754] generic_shutdown_super+0x130/0x2f0 [ 76.781256][ T4754] kill_anon_super+0x4c/0x80 [ 76.782013][ T4754] btrfs_kill_super+0x40/0x58 [ 76.782762][ T4754] deactivate_locked_super+0xb8/0x134 [ 76.783638][ T4754] deactivate_super+0xf0/0x110 [ 76.784409][ T4754] cleanup_mnt+0x3b8/0x46c [ 76.785137][ T4754] __cleanup_mnt+0x20/0x30 [ 76.785876][ T4754] task_work_run+0x12c/0x1d8 [ 76.786663][ T4754] do_notify_resume+0x2450/0x309c [ 76.787531][ T4754] el0_svc+0xf0/0x1d0 [ 76.788225][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 76.789106][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 76.789885][ T4754] irq event stamp: 238458 [ 76.790597][ T4754] hardirqs last enabled at (238457): [] kasan_quarantine_put+0xc4/0x200 [ 76.792295][ T4754] hardirqs last disabled at (238458): [] el1_dbg+0x24/0x80 [ 76.793845][ T4754] softirqs last enabled at (236834): [] handle_softirqs+0xa40/0xbe4 [ 76.795456][ T4754] softirqs last disabled at (236829): [] __irq_exit_rcu+0x240/0x43c [ 76.797079][ T4754] ---[ end trace 6e9de490bdfcec00 ]--- [ 77.006635][ T5185] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5185) [ 77.011732][ T5185] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.013644][ T5185] BTRFS info (device loop0): using free space tree [ 77.014672][ T5185] BTRFS info (device loop0): has skinny extents [ 77.022201][ T5185] BTRFS info (device loop0): enabling ssd optimizations [ 77.025263][ T5185] FAULT_INJECTION: forcing a failure. [ 77.025263][ T5185] name failslab, interval 1, probability 0, space 0, times 0 [ 77.027596][ T5185] CPU: 1 PID: 5185 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 77.028990][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.030638][ T5185] Call trace: [ 77.031159][ T5185] dump_backtrace+0x0/0x458 [ 77.031898][ T5185] show_stack+0x2c/0x3c [ 77.032556][ T5185] __dump_stack+0x30/0x40 [ 77.033295][ T5185] dump_stack_lvl+0xf4/0x15c [ 77.034080][ T5185] dump_stack+0x1c/0x5c [ 77.034742][ T5185] should_fail+0x3bc/0x514 [ 77.035459][ T5185] __should_failslab+0xbc/0x10c [ 77.036235][ T5185] should_failslab+0x10/0x28 [ 77.036989][ T5185] slab_pre_alloc_hook+0x64/0xe8 [ 77.037854][ T5185] kmem_cache_alloc+0x94/0x3d4 [ 77.038705][ T5185] btrfs_alloc_tree_block+0xa3c/0x1130 [ 77.039622][ T5185] btrfs_force_cow_block+0x3a8/0x16fc [ 77.040498][ T5185] btrfs_cow_block+0x2d8/0x66c [ 77.041289][ T5185] btrfs_search_slot+0xa10/0x1f44 [ 77.042142][ T5185] btrfs_insert_empty_items+0x1d8/0x2a0 [ 77.043079][ T5185] btrfs_new_inode+0x780/0x1564 [ 77.043949][ T5185] btrfs_create+0x24c/0x514 [ 77.044730][ T5185] path_openat+0xe18/0x2718 [ 77.045571][ T5185] do_filp_open+0x184/0x368 [ 77.046298][ T5185] do_sys_openat2+0x134/0x3f4 [ 77.047102][ T5185] __arm64_sys_openat+0x118/0x14c [ 77.047983][ T5185] invoke_syscall+0x98/0x2b0 [ 77.048766][ T5185] el0_svc_common+0x138/0x258 [ 77.049556][ T5185] do_el0_svc+0x58/0x13c [ 77.050252][ T5185] el0_svc+0x78/0x1d0 [ 77.050935][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 77.051842][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 77.096040][ T4754] ------------[ cut here ]------------ [ 77.096894][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.098673][ T4754] Modules linked in: [ 77.099356][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.100913][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.102505][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.103841][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.105091][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.106295][ T4754] sp : ffff80001f517740 [ 77.107028][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001bc09d0c [ 77.108393][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 77.109765][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 77.111069][ T4754] x20: ffff0000de04e860 x19: 0000000000000000 x18: 0000000000000000 [ 77.112415][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 77.113737][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 77.114993][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 77.116393][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 77.117636][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 77.119064][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 77.120497][ T4754] Call trace: [ 77.121061][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.122209][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.123155][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 77.124139][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 77.125036][ T4754] close_ctree+0x618/0x834 [ 77.125811][ T4754] btrfs_put_super+0x40/0x50 [ 77.126609][ T4754] generic_shutdown_super+0x130/0x2f0 [ 77.127436][ T4754] kill_anon_super+0x4c/0x80 [ 77.128139][ T4754] btrfs_kill_super+0x40/0x58 [ 77.128859][ T4754] deactivate_locked_super+0xb8/0x134 [ 77.129699][ T4754] deactivate_super+0xf0/0x110 [ 77.130447][ T4754] cleanup_mnt+0x3b8/0x46c [ 77.131236][ T4754] __cleanup_mnt+0x20/0x30 [ 77.131969][ T4754] task_work_run+0x12c/0x1d8 [ 77.132739][ T4754] do_notify_resume+0x2450/0x309c [ 77.133608][ T4754] el0_svc+0xf0/0x1d0 [ 77.134306][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 77.135240][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 77.135943][ T4754] irq event stamp: 253984 [ 77.136671][ T4754] hardirqs last enabled at (253983): [] kasan_quarantine_put+0xc4/0x200 [ 77.138380][ T4754] hardirqs last disabled at (253984): [] el1_dbg+0x24/0x80 [ 77.139800][ T4754] softirqs last enabled at (253808): [] handle_softirqs+0xa40/0xbe4 [ 77.141484][ T4754] softirqs last disabled at (253799): [] __irq_exit_rcu+0x240/0x43c [ 77.143133][ T4754] ---[ end trace 6e9de490bdfcec01 ]--- [ 77.303897][ T5207] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5207) [ 77.311681][ T5207] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.316424][ T5207] BTRFS info (device loop0): using free space tree [ 77.317464][ T5207] BTRFS info (device loop0): has skinny extents [ 77.373008][ T5207] BTRFS info (device loop0): enabling ssd optimizations [ 77.383726][ T5207] FAULT_INJECTION: forcing a failure. [ 77.383726][ T5207] name failslab, interval 1, probability 0, space 0, times 0 [ 77.385771][ T5207] CPU: 0 PID: 5207 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 77.387066][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.388592][ T5207] Call trace: [ 77.389113][ T5207] dump_backtrace+0x0/0x458 [ 77.389799][ T5207] show_stack+0x2c/0x3c [ 77.390482][ T5207] __dump_stack+0x30/0x40 [ 77.391208][ T5207] dump_stack_lvl+0xf4/0x15c [ 77.391967][ T5207] dump_stack+0x1c/0x5c [ 77.392646][ T5207] should_fail+0x3bc/0x514 [ 77.393393][ T5207] __should_failslab+0xbc/0x10c [ 77.394239][ T5207] should_failslab+0x10/0x28 [ 77.395057][ T5207] slab_pre_alloc_hook+0x64/0xe8 [ 77.395896][ T5207] kmem_cache_alloc+0x94/0x3d4 [ 77.396722][ T5207] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 77.397673][ T5207] btrfs_alloc_tree_block+0xb98/0x1130 [ 77.398573][ T5207] btrfs_force_cow_block+0x3a8/0x16fc [ 77.399353][ T5207] btrfs_cow_block+0x2d8/0x66c [ 77.400100][ T5207] btrfs_search_slot+0xa10/0x1f44 [ 77.400947][ T5207] btrfs_insert_empty_items+0x1d8/0x2a0 [ 77.401915][ T5207] btrfs_new_inode+0x780/0x1564 [ 77.402685][ T5207] btrfs_create+0x24c/0x514 [ 77.403390][ T5207] path_openat+0xe18/0x2718 [ 77.404103][ T5207] do_filp_open+0x184/0x368 [ 77.404886][ T5207] do_sys_openat2+0x134/0x3f4 [ 77.405722][ T5207] __arm64_sys_openat+0x118/0x14c [ 77.406562][ T5207] invoke_syscall+0x98/0x2b0 [ 77.407322][ T5207] el0_svc_common+0x138/0x258 [ 77.408119][ T5207] do_el0_svc+0x58/0x13c [ 77.408765][ T5207] el0_svc+0x78/0x1d0 [ 77.409424][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 77.410238][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 77.455865][ T4754] ------------[ cut here ]------------ [ 77.456675][ T4754] WARNING: CPU: 0 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.458564][ T4754] Modules linked in: [ 77.459242][ T4754] CPU: 0 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.460819][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.462457][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.463813][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.465019][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.466197][ T4754] sp : ffff80001f517740 [ 77.466941][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001afc630c [ 77.468261][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 77.469653][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 77.470957][ T4754] x20: ffff0000d7e31860 x19: 0000000000000000 x18: 0000000000000000 [ 77.472317][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 77.473703][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 77.475073][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 77.476386][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 77.477778][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 77.479154][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 77.480496][ T4754] Call trace: [ 77.481024][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.482246][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.483157][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 77.484091][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 77.484932][ T4754] close_ctree+0x618/0x834 [ 77.485646][ T4754] btrfs_put_super+0x40/0x50 [ 77.486386][ T4754] generic_shutdown_super+0x130/0x2f0 [ 77.487271][ T4754] kill_anon_super+0x4c/0x80 [ 77.488034][ T4754] btrfs_kill_super+0x40/0x58 [ 77.488812][ T4754] deactivate_locked_super+0xb8/0x134 [ 77.489746][ T4754] deactivate_super+0xf0/0x110 [ 77.490542][ T4754] cleanup_mnt+0x3b8/0x46c [ 77.491247][ T4754] __cleanup_mnt+0x20/0x30 [ 77.492022][ T4754] task_work_run+0x12c/0x1d8 [ 77.492800][ T4754] do_notify_resume+0x2450/0x309c [ 77.493684][ T4754] el0_svc+0xf0/0x1d0 [ 77.494345][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 77.495244][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 77.495993][ T4754] irq event stamp: 269886 [ 77.496733][ T4754] hardirqs last enabled at (269885): [] kasan_quarantine_put+0xc4/0x200 [ 77.498392][ T4754] hardirqs last disabled at (269886): [] el1_dbg+0x24/0x80 [ 77.499922][ T4754] softirqs last enabled at (267848): [] local_bh_enable+0x10/0x34 [ 77.501438][ T4754] softirqs last disabled at (267846): [] local_bh_disable+0x10/0x34 [ 77.503108][ T4754] ---[ end trace 6e9de490bdfcec02 ]--- [ 77.663349][ T5229] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5229) [ 77.715210][ T5229] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.716909][ T5229] BTRFS info (device loop0): using free space tree [ 77.717869][ T5229] BTRFS info (device loop0): has skinny extents [ 77.726137][ T5229] BTRFS info (device loop0): enabling ssd optimizations [ 77.730310][ T5229] FAULT_INJECTION: forcing a failure. [ 77.730310][ T5229] name failslab, interval 1, probability 0, space 0, times 0 [ 77.732347][ T5229] CPU: 1 PID: 5229 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 77.733823][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.735475][ T5229] Call trace: [ 77.736031][ T5229] dump_backtrace+0x0/0x458 [ 77.736798][ T5229] show_stack+0x2c/0x3c [ 77.737542][ T5229] __dump_stack+0x30/0x40 [ 77.738302][ T5229] dump_stack_lvl+0xf4/0x15c [ 77.739059][ T5229] dump_stack+0x1c/0x5c [ 77.739775][ T5229] should_fail+0x3bc/0x514 [ 77.740561][ T5229] __should_failslab+0xbc/0x10c [ 77.741435][ T5229] should_failslab+0x10/0x28 [ 77.742228][ T5229] slab_pre_alloc_hook+0x64/0xe8 [ 77.743072][ T5229] kmem_cache_alloc+0x94/0x3d4 [ 77.743897][ T5229] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 77.744886][ T5229] btrfs_alloc_tree_block+0xb98/0x1130 [ 77.745752][ T5229] btrfs_force_cow_block+0x3a8/0x16fc [ 77.746640][ T5229] btrfs_cow_block+0x2d8/0x66c [ 77.747445][ T5229] btrfs_search_slot+0xa10/0x1f44 [ 77.748297][ T5229] btrfs_insert_empty_items+0x1d8/0x2a0 [ 77.749263][ T5229] btrfs_new_inode+0x780/0x1564 [ 77.750111][ T5229] btrfs_create+0x24c/0x514 [ 77.750904][ T5229] path_openat+0xe18/0x2718 [ 77.751756][ T5229] do_filp_open+0x184/0x368 [ 77.752559][ T5229] do_sys_openat2+0x134/0x3f4 [ 77.753339][ T5229] __arm64_sys_openat+0x118/0x14c [ 77.754255][ T5229] invoke_syscall+0x98/0x2b0 [ 77.755038][ T5229] el0_svc_common+0x138/0x258 [ 77.755811][ T5229] do_el0_svc+0x58/0x13c [ 77.756525][ T5229] el0_svc+0x78/0x1d0 [ 77.757204][ T5229] el0t_64_sync_handler+0xcc/0xe4 [ 77.758097][ T5229] el0t_64_sync+0x1a0/0x1a4 [ 77.792983][ T4754] ------------[ cut here ]------------ [ 77.793922][ T4754] WARNING: CPU: 1 PID: 4754 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.795781][ T4754] Modules linked in: [ 77.796397][ T4754] CPU: 1 PID: 4754 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.797796][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.799395][ T4754] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.800679][ T4754] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.801871][ T4754] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.803060][ T4754] sp : ffff80001f517740 [ 77.803769][ T4754] x29: ffff80001f517750 x28: dfff800000000000 x27: 1fffe0001aea430c [ 77.805101][ T4754] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 77.806419][ T4754] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 77.807694][ T4754] x20: ffff0000d7521860 x19: 0000000000000000 x18: 0000000000000000 [ 77.808983][ T4754] x17: 0000000000000000 x16: ffff80001125f448 x15: 0000000000000000 [ 77.810320][ T4754] x14: ffff700003ea2edc x13: 1ffff00003ea2edc x12: 0000000000ff0100 [ 77.811690][ T4754] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059e34 [ 77.813027][ T4754] x8 : ffff0000c9d73680 x7 : ffff80000a059118 x6 : 0000000000000000 [ 77.814362][ T4754] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8508 [ 77.815737][ T4754] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 77.817074][ T4754] Call trace: [ 77.817620][ T4754] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.818690][ T4754] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.819611][ T4754] btrfs_release_global_block_rsv+0x38/0x22c [ 77.820600][ T4754] btrfs_free_block_groups+0x7ac/0xb3c [ 77.821486][ T4754] close_ctree+0x618/0x834 [ 77.822215][ T4754] btrfs_put_super+0x40/0x50 [ 77.823002][ T4754] generic_shutdown_super+0x130/0x2f0 [ 77.823867][ T4754] kill_anon_super+0x4c/0x80 [ 77.824585][ T4754] btrfs_kill_super+0x40/0x58 [ 77.825336][ T4754] deactivate_locked_super+0xb8/0x134 [ 77.826214][ T4754] deactivate_super+0xf0/0x110 [ 77.827023][ T4754] cleanup_mnt+0x3b8/0x46c [ 77.827780][ T4754] __cleanup_mnt+0x20/0x30 [ 77.828505][ T4754] task_work_run+0x12c/0x1d8 [ 77.829273][ T4754] do_notify_resume+0x2450/0x309c [ 77.830076][ T4754] el0_svc+0xf0/0x1d0 [ 77.830714][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 77.831517][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 77.832279][ T4754] irq event stamp: 275186 [ 77.833006][ T4754] hardirqs last enabled at (275185): [] kasan_quarantine_put+0xc4/0x200 [ 77.834650][ T4754] hardirqs last disabled at (275186): [] el1_dbg+0x24/0x80 [ 77.836072][ T4754] softirqs last enabled at (273312): [] local_bh_enable+0x10/0x34 [ 77.837680][ T4754] softirqs last disabled at (273310): [] local_bh_disable+0x10/0x34 [ 77.839280][ T4754] ---[ end trace 6e9de490bdfcec03 ]--- [ 78.026988][ T5250] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5250) [ 78.032275][ T5250] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.033776][ T5250] BTRFS info (device loop0): using free space tree [ 78.034867][ T5250] BTRFS info (device loop0): has skinny extents [ 78.042437][ T5250] BTRFS info (device loop0): enabling ssd optimizations [ 78.045558][ T5250] FAULT_INJECTION: forcing a failure. [ 78.045558][ T5250] name failslab, interval 1, probability 0, space 0, times 0 [ 78.047803][ T5250] CPU: 1 PID: 5250 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 78.049158][ T5250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.050705][ T5250] Call trace: [ 78.051230][ T5250] dump_backtrace+0x0/0x458 [ 78.051978][ T5250] show_stack+0x2c/0x3c [ 78.052687][ T5250] __dump_stack+0x30/0x40 [ 78.053422][ T5250] dump_stack_lvl+0xf4/0x15c [ 78.054206][ T5250] dump_stack+0x1c/0x5c [ 78.054859][ T5250] should_fail+0x3bc/0x514 [ 78.055565][ T5250] __should_failslab+0xbc/0x10c [ 78.056344][ T5250] should_failslab+0x10/0x28 [ 78.057113][ T5250] slab_pre_alloc_hook+0x64/0xe8 [ 78.057966][ T5250] kmem_cache_alloc+0x94/0x3d4 [ 78.058762][ T5250] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 78.059755][ T5250] btrfs_free_tree_block+0x238/0xcb8 [ 78.060652][ T5250] btrfs_force_cow_block+0xc3c/0x16fc [ 78.061585][ T5250] btrfs_cow_block+0x2d8/0x66c [ 78.062361][ T5250] btrfs_search_slot+0xa10/0x1f44 [ 78.063195][ T5250] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.064084][ T5250] btrfs_new_inode+0x780/0x1564 [ 78.064865][ T5250] btrfs_create+0x24c/0x514 [ 78.065633][ T5250] path_openat+0xe18/0x2718 [ 78.066398][ T5250] do_filp_open+0x184/0x368 [ 78.067113][ T5250] do_sys_openat2+0x134/0x3f4 [ 78.067846][ T5250] __arm64_sys_openat+0x118/0x14c [ 78.068639][ T5250] invoke_syscall+0x98/0x2b0 [ 78.069356][ T5250] el0_svc_common+0x138/0x258 [ 78.070092][ T5250] do_el0_svc+0x58/0x13c [ 78.070753][ T5250] el0_svc+0x78/0x1d0 [ 78.071381][ T5250] el0t_64_sync_handler+0xcc/0xe4 [ 78.072199][ T5250] el0t_64_sync+0x1a0/0x1a4 [ 78.074623][ T5250] ------------[ cut here ]------------ [ 78.075573][ T5250] kernel BUG at fs/btrfs/extent-tree.c:3310! [ 78.076554][ T5250] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 78.077776][ T5250] Modules linked in: [ 78.078463][ T5250] CPU: 1 PID: 5250 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 78.079921][ T5250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.081540][ T5250] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.082787][ T5250] pc : btrfs_free_tree_block+0xb28/0xcb8 [ 78.083671][ T5250] lr : btrfs_free_tree_block+0xb28/0xcb8 [ 78.084604][ T5250] sp : ffff800020e06fa0 [ 78.085256][ T5250] x29: ffff800020e070a0 x28: ffff0000dce550b0 x27: ffff800020e06fe0 [ 78.086513][ T5250] x26: 00000000fffffff4 x25: 0000000000000001 x24: ffff0000d8a2c8e0 [ 78.087817][ T5250] x23: 0000000000000005 x22: ffff0000d8a2c7c8 x21: 1fffe0001b14591c [ 78.089190][ T5250] x20: ffff0000dce550b0 x19: dfff800000000000 x18: 0000000000000001 [ 78.090565][ T5250] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 78.091932][ T5250] x14: 0000000000000001 x13: 1ffff000028a7236 x12: 0000000000ff0100 [ 78.093303][ T5250] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800009e4e7c4 [ 78.094606][ T5250] x8 : ffff0000d2273680 x7 : 0000000000000000 x6 : 0000000000000001 [ 78.095940][ T5250] x5 : ffff800020e064f8 x4 : 00000000000000a8 x3 : 0000000000000068 [ 78.097326][ T5250] x2 : 0000000000000001 x1 : 00000000fffffff4 x0 : 0000000000000000 [ 78.098738][ T5250] Call trace: [ 78.099312][ T5250] btrfs_free_tree_block+0xb28/0xcb8 [ 78.100149][ T5250] btrfs_force_cow_block+0xc3c/0x16fc [ 78.101016][ T5250] btrfs_cow_block+0x2d8/0x66c [ 78.101750][ T5250] btrfs_search_slot+0xa10/0x1f44 [ 78.102540][ T5250] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.103419][ T5250] btrfs_new_inode+0x780/0x1564 [ 78.104195][ T5250] btrfs_create+0x24c/0x514 [ 78.104946][ T5250] path_openat+0xe18/0x2718 [ 78.105693][ T5250] do_filp_open+0x184/0x368 [ 78.106416][ T5250] do_sys_openat2+0x134/0x3f4 [ 78.107200][ T5250] __arm64_sys_openat+0x118/0x14c [ 78.108040][ T5250] invoke_syscall+0x98/0x2b0 [ 78.108780][ T5250] el0_svc_common+0x138/0x258 [ 78.109518][ T5250] do_el0_svc+0x58/0x13c [ 78.110244][ T5250] el0_svc+0x78/0x1d0 [ 78.110873][ T5250] el0t_64_sync_handler+0xcc/0xe4 [ 78.111642][ T5250] el0t_64_sync+0x1a0/0x1a4 [ 78.112352][ T5250] Code: c80a7e69 35ffffaa 17fffe0f 9798bd75 (d4210000) [ 78.113454][ T5250] ---[ end trace 6e9de490bdfcec04 ]--- [ 78.330147][ T5250] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 78.331341][ T5250] SMP: stopping secondary CPUs [ 78.332152][ T5250] Kernel Offset: disabled [ 78.332928][ T5250] CPU features: 0x8,000003c1,7d33ffd9 [ 78.333904][ T5250] Memory Limit: none [ 78.554105][ T5250] Rebooting in 86400 seconds..