Warning: Permanently added '10.128.1.97' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 ignoring optional flag "type"="gce" 1970/01/01 00:01:04 parsed 1 programs [ 65.779565][ T4510] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 68.917432][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.918763][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.920278][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.927134][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.928459][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.929782][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.059233][ T4594] chnl_net:caif_netlink_parms(): no params data found [ 69.077405][ T4594] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.078577][ T4594] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.080277][ T4594] device bridge_slave_0 entered promiscuous mode [ 69.083117][ T4594] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.084290][ T4594] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.085789][ T4594] device bridge_slave_1 entered promiscuous mode [ 69.095127][ T4594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.098289][ T4594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.107838][ T4594] team0: Port device team_slave_0 added [ 69.109802][ T4594] team0: Port device team_slave_1 added [ 69.116861][ T4594] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.117991][ T4594] 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. [ 69.122225][ T4594] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.124565][ T4594] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.125564][ T4594] 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. [ 69.129921][ T4594] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.197563][ T4594] device hsr_slave_0 entered promiscuous mode [ 69.236584][ T4594] device hsr_slave_1 entered promiscuous mode [ 69.597956][ T1984] cfg80211: failed to load regulatory.db [ 69.598146][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.600165][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.848277][ T4594] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.916634][ T4594] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.967701][ T4594] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.988108][ T4594] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.033938][ T4594] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.035170][ T4594] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.036497][ T4594] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.037627][ T4594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.051095][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.052678][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.093254][ T4594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.104308][ T4594] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.106295][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.107931][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.110342][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.112035][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.115864][ T1637] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.117216][ T1637] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.127745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.130787][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.132242][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.133381][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.134816][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.137843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.139548][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.141490][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.143085][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.144813][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.152181][ T4594] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.153913][ T4594] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.158936][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.160542][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.162073][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.163699][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.165205][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.169792][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.272101][ T4594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.281559][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.282931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.290188][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.291754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.300109][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.301673][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.303292][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.304855][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.310177][ T4594] device veth0_vlan entered promiscuous mode [ 70.313909][ T4594] device veth1_vlan entered promiscuous mode [ 70.324855][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.326890][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.328359][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.329891][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.333633][ T4594] device veth0_macvtap entered promiscuous mode [ 70.336325][ T4594] device veth1_macvtap entered promiscuous mode [ 70.344539][ T4594] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.345810][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.348024][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.349576][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.351173][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.355035][ T4594] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.358038][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.359614][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.362707][ T4594] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.363953][ T4594] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.365577][ T4594] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.368682][ T4594] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.833287][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.559521][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.169604][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.231326][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:16 executed programs: 0 [ 76.855743][ T5021] chnl_net:caif_netlink_parms(): no params data found [ 76.877690][ T5021] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.878949][ T5021] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.880522][ T5021] device bridge_slave_0 entered promiscuous mode [ 76.882725][ T5021] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.883900][ T5021] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.885397][ T5021] device bridge_slave_1 entered promiscuous mode [ 76.894489][ T5021] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.897351][ T5021] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.906258][ T5021] team0: Port device team_slave_0 added [ 76.908531][ T5021] team0: Port device team_slave_1 added [ 76.916473][ T5021] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.917606][ T5021] 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. [ 76.921914][ T5021] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.929115][ T5021] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.930270][ T5021] 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. [ 76.934518][ T5021] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.997788][ T5021] device hsr_slave_0 entered promiscuous mode [ 77.026692][ T5021] device hsr_slave_1 entered promiscuous mode [ 77.086445][ T5021] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 77.087709][ T5021] Cannot create hsr debugfs directory [ 77.505827][ T5021] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.559040][ T5021] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.637721][ T5021] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.678297][ T5021] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.724434][ T5021] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.725555][ T5021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.727039][ T5021] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.728191][ T5021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.762308][ T5021] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.768625][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.770688][ T1637] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.772231][ T1637] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.774205][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.781381][ T5021] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.784878][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.786745][ T1637] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.787888][ T1637] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.808500][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.810147][ T1637] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.811340][ T1637] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.813591][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.815366][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.820769][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.824413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.828958][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.831562][ T5021] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.881479][ T5021] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.888779][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.890156][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.892798][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.894482][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.902277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.903931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.905691][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.908658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.911299][ T5021] device veth0_vlan entered promiscuous mode [ 77.915144][ T5021] device veth1_vlan entered promiscuous mode [ 77.925910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.927565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.929051][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.930605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.934524][ T5021] device veth0_macvtap entered promiscuous mode [ 77.937847][ T5021] device veth1_macvtap entered promiscuous mode [ 77.943529][ T5021] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.945350][ T5021] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.950875][ T5021] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.952214][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.953779][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.955291][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.957913][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.969410][ T5021] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.971068][ T5021] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.973273][ T5021] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.975301][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.979096][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.981662][ T5021] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.983149][ T5021] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.984540][ T5021] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.986063][ T5021] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.018370][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.019723][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.021128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.034062][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.035460][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.037542][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.820818][ T5129] loop0: detected capacity change from 0 to 262144 [ 78.857630][ T5129] ======================================================= [ 78.857630][ T5129] WARNING: The mand mount option has been deprecated and [ 78.857630][ T5129] and is ignored by this kernel. Remove the mand [ 78.857630][ T5129] option from the mount to silence this warning. [ 78.857630][ T5129] ======================================================= [ 78.865087][ T5129] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5129) [ 78.872166][ T5129] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 78.873917][ T5129] BTRFS info (device loop0): enabling ssd optimizations [ 78.875016][ T5129] BTRFS info (device loop0): enabling auto defrag [ 78.876074][ T5129] BTRFS info (device loop0): using free space tree [ 78.877712][ T5129] BTRFS info (device loop0): has skinny extents [ 78.878762][ T5129] BTRFS info (device loop0): flagging fs with big metadata feature [ 78.881048][ T4976] Bluetooth: hci0: command 0x0409 tx timeout [ 78.890528][ T1637] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 78.893258][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) [ 78.895206][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) [ 78.898221][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 22044672 (dev /dev/loop0 sector 43056) [ 78.900391][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 22048768 (dev /dev/loop0 sector 43064) [ 78.902824][ T623] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 78.905287][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 30670848 (dev /dev/loop0 sector 76288) [ 78.907594][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 30674944 (dev /dev/loop0 sector 76296) [ 78.909325][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 30679040 (dev /dev/loop0 sector 76304) [ 78.911050][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 30683136 (dev /dev/loop0 sector 76312) [ 78.924358][ T623] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 78.927371][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 30457856 (dev /dev/loop0 sector 75872) [ 78.929437][ T5129] BTRFS info (device loop0): read error corrected: ino 0 off 30461952 (dev /dev/loop0 sector 75880) [ 78.936958][ T5129] FAULT_INJECTION: forcing a failure. [ 78.936958][ T5129] name failslab, interval 1, probability 0, space 0, times 1 [ 78.938989][ T5129] CPU: 1 PID: 5129 Comm: syz.0.15 Not tainted syzkaller #0 [ 78.940052][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.941686][ T5129] Call trace: [ 78.942253][ T5129] dump_backtrace+0x0/0x458 [ 78.942958][ T5129] show_stack+0x2c/0x3c [ 78.943570][ T5129] __dump_stack+0x30/0x40 [ 78.944214][ T5129] dump_stack_lvl+0xf4/0x15c [ 78.944947][ T5129] dump_stack+0x1c/0x5c [ 78.945613][ T5129] should_fail+0x3bc/0x514 [ 78.946330][ T5129] __should_failslab+0xbc/0x10c [ 78.947121][ T5129] should_failslab+0x10/0x28 [ 78.947921][ T5129] slab_pre_alloc_hook+0x64/0xe8 [ 78.948720][ T5129] kmem_cache_alloc+0x94/0x3d4 [ 78.949516][ T5129] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 78.950412][ T5129] btrfs_free_tree_block+0x238/0xcb8 [ 78.951281][ T5129] btrfs_force_cow_block+0xc3c/0x16fc [ 78.952171][ T5129] btrfs_cow_block+0x2d8/0x66c [ 78.952974][ T5129] btrfs_search_slot+0xa10/0x1f44 [ 78.953756][ T5129] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.954632][ T5129] insert_balance_item+0x170/0x115c [ 78.955483][ T5129] btrfs_balance+0x8e4/0x113c [ 78.956222][ T5129] btrfs_ioctl_balance+0x4cc/0x658 [ 78.957037][ T5129] btrfs_ioctl+0x20c/0xa8c [ 78.957759][ T5129] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.958538][ T5129] invoke_syscall+0x98/0x2b0 [ 78.959280][ T5129] el0_svc_common+0x138/0x258 [ 78.959963][ T5129] do_el0_svc+0x58/0x13c [ 78.960687][ T5129] el0_svc+0x78/0x1d0 [ 78.961318][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 78.962089][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 78.963277][ T5129] ------------[ cut here ]------------ [ 78.964089][ T5129] kernel BUG at fs/btrfs/extent-tree.c:3310! [ 78.965126][ T5129] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 78.966312][ T5129] Modules linked in: [ 78.966981][ T5129] CPU: 1 PID: 5129 Comm: syz.0.15 Not tainted syzkaller #0 [ 78.968230][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.969873][ T5129] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.971127][ T5129] pc : btrfs_free_tree_block+0xb28/0xcb8 [ 78.972038][ T5129] lr : btrfs_free_tree_block+0xb28/0xcb8 [ 78.972908][ T5129] sp : ffff80001f9c7420 [ 78.973542][ T5129] x29: ffff80001f9c7520 x28: ffff0000deb830b0 x27: ffff80001f9c7460 [ 78.974877][ T5129] x26: 00000000fffffff4 x25: 0000000000000001 x24: ffff0000d309c500 [ 78.976184][ T5129] x23: 0000000000000001 x22: ffff0000d309c3e8 x21: 1fffe0001a6138a0 [ 78.977513][ T5129] x20: ffff0000deb830b0 x19: dfff800000000000 x18: 0000000000000001 [ 78.978891][ T5129] x17: ffff800016e33000 x16: ffff80001125a830 x15: ffff8000089291a4 [ 78.980240][ T5129] x14: 0000000000000003 x13: 1ffff00003f38dec x12: 0000000000ff0100 [ 78.981513][ T5129] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800009e4e604 [ 78.982704][ T5129] x8 : ffff0000cd498000 x7 : 0000000000000000 x6 : ffff80000805b5c8 [ 78.984076][ T5129] x5 : ffff0000eaa3c8d0 x4 : 0000000000000000 x3 : ffff80001179f0e0 [ 78.985421][ T5129] x2 : 0000000000000006 x1 : 00000000fffffff4 x0 : 0000000000000000 [ 78.986795][ T5129] Call trace: [ 78.987378][ T5129] btrfs_free_tree_block+0xb28/0xcb8 [ 78.988192][ T5129] btrfs_force_cow_block+0xc3c/0x16fc [ 78.989064][ T5129] btrfs_cow_block+0x2d8/0x66c [ 78.989823][ T5129] btrfs_search_slot+0xa10/0x1f44 [ 78.990597][ T5129] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.991526][ T5129] insert_balance_item+0x170/0x115c [ 78.992360][ T5129] btrfs_balance+0x8e4/0x113c [ 78.993090][ T5129] btrfs_ioctl_balance+0x4cc/0x658 [ 78.993869][ T5129] btrfs_ioctl+0x20c/0xa8c [ 78.994554][ T5129] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.995426][ T5129] invoke_syscall+0x98/0x2b0 [ 78.996198][ T5129] el0_svc_common+0x138/0x258 [ 78.996987][ T5129] do_el0_svc+0x58/0x13c [ 78.997684][ T5129] el0_svc+0x78/0x1d0 [ 78.998307][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 78.999114][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 78.999875][ T5129] Code: c80a7e69 35ffffaa 17fffe0f 9798bd14 (d4210000) [ 79.001001][ T5129] ---[ end trace d101ebe8c7a00977 ]--- [ 79.254098][ T5129] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 79.255137][ T5129] SMP: stopping secondary CPUs [ 79.255855][ T5129] Kernel Offset: disabled [ 79.256468][ T5129] CPU features: 0x8,000003c1,7d33ffd9 [ 79.257221][ T5129] Memory Limit: none [ 79.501852][ T5129] Rebooting in 86400 seconds..