[ 75.052448][ T1275] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 75.803396][ T1275] device hsr_slave_0 left promiscuous mode
[ 75.810257][ T1275] device hsr_slave_1 left promiscuous mode
[ 75.818183][ T1275] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 75.827791][ T1275] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 75.838440][ T1275] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 75.848801][ T1275] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 75.858224][ T1275] device bridge_slave_1 left promiscuous mode
[ 75.867036][ T1275] bridge0: port 2(bridge_slave_1) entered disabled state
[ 75.884907][ T1275] device bridge_slave_0 left promiscuous mode
[ 75.894480][ T1275] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.918807][ T1275] device veth1_macvtap left promiscuous mode
[ 75.925829][ T1275] device veth0_macvtap left promiscuous mode
[ 75.933599][ T1275] device veth1_vlan left promiscuous mode
[ 75.939766][ T1275] device veth0_vlan left promiscuous mode
[ 76.177689][ T1275] team0 (unregistering): Port device team_slave_1 removed
[ 76.194743][ T1275] team0 (unregistering): Port device team_slave_0 removed
[ 76.210192][ T1275] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 76.226434][ T1275] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 76.290944][ T1275] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts.
2026/08/03 06:31:37 ignoring optional flag "type"="gce"
2026/08/03 06:31:37 parsed 1 programs
2026/08/03 06:31:39 executed programs: 0
[ 82.532231][ T4393] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 82.704357][ T4400] chnl_net:caif_netlink_parms(): no params data found
[ 82.752095][ T4400] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.759317][ T4400] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.767477][ T4400] device bridge_slave_0 entered promiscuous mode
[ 82.776291][ T4400] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.783609][ T4400] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.792267][ T4400] device bridge_slave_1 entered promiscuous mode
[ 82.816810][ T4400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 82.828573][ T4400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 82.855014][ T4400] team0: Port device team_slave_0 added
[ 82.862993][ T4400] team0: Port device team_slave_1 added
[ 82.883265][ T4400] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 82.890268][ T4400] 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.
[ 82.916916][ T4400] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 82.930619][ T4400] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 82.938128][ T4400] 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.
[ 82.964336][ T4400] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 82.996796][ T4400] device hsr_slave_0 entered promiscuous mode
[ 83.003782][ T4400] device hsr_slave_1 entered promiscuous mode
[ 83.581701][ T4400] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 83.595589][ T4400] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 83.606463][ T4400] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 83.618731][ T4400] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 83.648888][ T4400] bridge0: port 2(bridge_slave_1) entered blocking state
[ 83.656383][ T4400] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 83.664245][ T4400] bridge0: port 1(bridge_slave_0) entered blocking state
[ 83.671463][ T4400] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 83.683420][ T322] bridge0: port 1(bridge_slave_0) entered disabled state
[ 83.693692][ T322] bridge0: port 2(bridge_slave_1) entered disabled state
[ 83.779492][ T4400] 8021q: adding VLAN 0 to HW filter on device bond0
[ 83.798538][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 83.808022][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 83.824817][ T4400] 8021q: adding VLAN 0 to HW filter on device team0
[ 83.839189][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 83.852521][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 83.863704][ T322] bridge0: port 1(bridge_slave_0) entered blocking state
[ 83.872171][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 83.897066][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 83.907876][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 83.918675][ T322] bridge0: port 2(bridge_slave_1) entered blocking state
[ 83.926180][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 83.954254][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 83.965351][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 83.977849][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 83.989185][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 84.000123][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 84.013770][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 84.034304][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 84.044008][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 84.054554][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 84.065473][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 84.076472][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 84.088763][ T4400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 84.239617][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 84.248398][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 84.264947][ T4400] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 84.288617][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 84.299859][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 84.325062][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 84.334453][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 84.349883][ T4400] device veth0_vlan entered promiscuous mode
[ 84.358005][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 84.368850][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 84.383585][ T4400] device veth1_vlan entered promiscuous mode
[ 84.410402][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 84.420905][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 84.432614][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 84.443029][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 84.457362][ T4400] device veth0_macvtap entered promiscuous mode
[ 84.469957][ T4400] device veth1_macvtap entered promiscuous mode
[ 84.503075][ T4400] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 84.513288][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 84.522353][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 84.530711][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 84.542987][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 84.556240][ T4400] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 84.564482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 84.574799][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 84.589370][ T4400] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.599209][ T4400] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.608611][ T4400] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.618095][ T4400] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.652587][ T4215] Bluetooth: hci0: command 0x0409 tx timeout
[ 84.998792][ T4470] loop0: detected capacity change from 0 to 32768
[ 85.020434][ T4470] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4470)
[ 85.057188][ T4470] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[ 85.069972][ T4470] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11
[ 85.082401][ T4470] BTRFS info (device loop0): doing ref verification
[ 85.089196][ T4470] BTRFS info (device loop0): using free space tree
[ 85.096559][ T4470] BTRFS info (device loop0): has skinny extents
[ 85.245097][ T4470] BTRFS info (device loop0): enabling ssd optimizations
[ 85.340868][ T4470] BTRFS info (device loop0): balance: start -f -susage=6,vrange=0..9223372036854775809
[ 85.368810][ T4470] ------------[ cut here ]------------
[ 85.377833][ T4470] WARNING: CPU: 1 PID: 4470 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xcbf/0xee0
[ 85.389956][ T4470] Modules linked in:
[ 85.395678][ T4470] CPU: 1 PID: 4470 Comm: syz-executor.0 Not tainted syzkaller #0
[ 85.404672][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 85.417368][ T4470] RIP: 0010:btrfs_create_pending_block_groups+0xcbf/0xee0
[ 85.426077][ T4470] Code: e8 16 cb 0e fe 48 8b 5c 24 20 0f 1f 44 00 00 e8 07 cb 0e fe eb 4a e8 00 cb 0e fe 48 c7 c7 a0 66 6d 8a 44 89 fe e8 11 f8 4a 06 <0f> 0b 48 8b 7c 24 30 48 c7 c6 20 67 6d 8a ba 89 09 00 00 44 89 f9
[ 85.450548][ T4470] RSP: 0018:ffffc90002f9f7a0 EFLAGS: 00010246
[ 85.457297][ T4470] RAX: 9472ff018168c400 RBX: ffff8880247a9850 RCX: ffff8880784f8000
[ 85.467429][ T4470] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 85.476722][ T4470] RBP: ffffc90002f9f9b8 R08: ffff8880b912795b R09: 1ffff11017224f2b
[ 85.487006][ T4470] R10: dffffc0000000000 R11: ffffed1017224f2c R12: ffff8880247a99b0
[ 85.496159][ T4470] R13: 1ffff110048f530a R14: 1ffff110048f530b R15: 00000000ffffffe4
[ 85.506114][ T4470] FS: 00007f6e4f0ab6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 85.515631][ T4470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.531220][ T4470] CR2: 00007f6e4fd5b510 CR3: 000000002c380000 CR4: 00000000003506e0
[ 85.539467][ T4470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 85.549447][ T4470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 85.559395][ T4470] Call Trace:
[ 85.564910][ T4470]
[ 85.568018][ T4470] ? btrfs_inc_block_group_ro+0x596/0x610
[ 85.574555][ T4470] ? fill_dummy_bgs+0x530/0x530
[ 85.579658][ T4470] ? btrfs_block_rsv_add+0xb0/0xc0
[ 85.586636][ T4470] ? mutex_unlock+0x10/0x10
[ 85.591688][ T4470] ? do_raw_spin_unlock+0x11d/0x230
[ 85.597064][ T4470] ? btrfs_trans_release_metadata+0x146/0x1a0
[ 85.605036][ T4470] __btrfs_end_transaction+0x154/0x640
[ 85.610802][ T4470] btrfs_inc_block_group_ro+0x59e/0x610
[ 85.617018][ T4470] btrfs_relocate_block_group+0x38d/0xac0
[ 85.624575][ T4470] btrfs_relocate_chunk+0xaa/0x290
[ 85.629904][ T4470] __btrfs_balance+0x15c2/0x2280
[ 85.635623][ T4470] ? describe_balance_start_or_resume+0x540/0x540
[ 85.643793][ T4470] ? do_wait_for_common+0x430/0x460
[ 85.649197][ T4470] ? __rwlock_init+0x60/0x140
[ 85.654486][ T4470] ? do_raw_spin_unlock+0x11d/0x230
[ 85.659987][ T4470] btrfs_balance+0xd80/0x1500
[ 85.666565][ T4470] btrfs_ioctl_balance+0x648/0x7e0
[ 85.672181][ T4470] ? btrfs_ioctl_get_supported_features+0x40/0x40
[ 85.678822][ T4470] __se_sys_ioctl+0xfa/0x170
[ 85.684371][ T4470] do_syscall_64+0x4c/0xa0
[ 85.688860][ T4470] ? clear_bhb_loop+0x30/0x80
[ 85.694268][ T4470] ? clear_bhb_loop+0x30/0x80
[ 85.699008][ T4470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.705412][ T4470] RIP: 0033:0x7f6e4fd1a0f9
[ 85.709890][ T4470] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 85.730579][ T4470] RSP: 002b:00007f6e4f0ab0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 85.739386][ T4470] RAX: ffffffffffffffda RBX: 00007f6e4fe58f80 RCX: 00007f6e4fd1a0f9
[ 85.747875][ T4470] RDX: 0000000020001200 RSI: 00000000c4009420 RDI: 0000000000000004
[ 85.756566][ T4470] RBP: 00007f6e4fd7b498 R08: 0000000000000000 R09: 0000000000000000
[ 85.767926][ T4470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.776436][ T4470] R13: 000000000000000b R14: 00007f6e4fe58f80 R15: 00007fff76b522e8
[ 85.785690][ T4470]
[ 85.788796][ T4470] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.796125][ T4470] CPU: 0 PID: 4470 Comm: syz-executor.0 Not tainted syzkaller #0
[ 85.803909][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 85.814123][ T4470] Call Trace:
[ 85.817477][ T4470]
[ 85.820479][ T4470] dump_stack_lvl+0x188/0x250
[ 85.825212][ T4470] ? show_regs_print_info+0x20/0x20
[ 85.830479][ T4470] ? load_image+0x410/0x410
[ 85.835050][ T4470] panic+0x2f8/0x850
[ 85.838997][ T4470] ? bpf_jit_dump+0xd0/0xd0
[ 85.843560][ T4470] ? btrfs_create_pending_block_groups+0xcbf/0xee0
[ 85.850146][ T4470] __warn+0x248/0x2b0
[ 85.854325][ T4470] ? btrfs_create_pending_block_groups+0xcbf/0xee0
[ 85.860884][ T4470] report_bug+0x1b9/0x2e0
[ 85.865268][ T4470] handle_bug+0x3a/0x70
[ 85.869499][ T4470] exc_invalid_op+0x16/0x40
[ 85.874037][ T4470] asm_exc_invalid_op+0x16/0x20
[ 85.878932][ T4470] RIP: 0010:btrfs_create_pending_block_groups+0xcbf/0xee0
[ 85.886415][ T4470] Code: e8 16 cb 0e fe 48 8b 5c 24 20 0f 1f 44 00 00 e8 07 cb 0e fe eb 4a e8 00 cb 0e fe 48 c7 c7 a0 66 6d 8a 44 89 fe e8 11 f8 4a 06 <0f> 0b 48 8b 7c 24 30 48 c7 c6 20 67 6d 8a ba 89 09 00 00 44 89 f9
[ 85.906225][ T4470] RSP: 0018:ffffc90002f9f7a0 EFLAGS: 00010246
[ 85.912580][ T4470] RAX: 9472ff018168c400 RBX: ffff8880247a9850 RCX: ffff8880784f8000
[ 85.920787][ T4470] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 85.929048][ T4470] RBP: ffffc90002f9f9b8 R08: ffff8880b912795b R09: 1ffff11017224f2b
[ 85.937046][ T4470] R10: dffffc0000000000 R11: ffffed1017224f2c R12: ffff8880247a99b0
[ 85.945133][ T4470] R13: 1ffff110048f530a R14: 1ffff110048f530b R15: 00000000ffffffe4
[ 85.953252][ T4470] ? btrfs_inc_block_group_ro+0x596/0x610
[ 85.959097][ T4470] ? fill_dummy_bgs+0x530/0x530
[ 85.963977][ T4470] ? btrfs_block_rsv_add+0xb0/0xc0
[ 85.969128][ T4470] ? mutex_unlock+0x10/0x10
[ 85.973847][ T4470] ? do_raw_spin_unlock+0x11d/0x230
[ 85.979158][ T4470] ? btrfs_trans_release_metadata+0x146/0x1a0
[ 85.985259][ T4470] __btrfs_end_transaction+0x154/0x640
[ 85.990836][ T4470] btrfs_inc_block_group_ro+0x59e/0x610
[ 85.996537][ T4470] btrfs_relocate_block_group+0x38d/0xac0
[ 86.002408][ T4470] btrfs_relocate_chunk+0xaa/0x290
[ 86.007550][ T4470] __btrfs_balance+0x15c2/0x2280
[ 86.012557][ T4470] ? describe_balance_start_or_resume+0x540/0x540
[ 86.019015][ T4470] ? do_wait_for_common+0x430/0x460
[ 86.024247][ T4470] ? __rwlock_init+0x60/0x140
[ 86.028948][ T4470] ? do_raw_spin_unlock+0x11d/0x230
[ 86.034299][ T4470] btrfs_balance+0xd80/0x1500
[ 86.039015][ T4470] btrfs_ioctl_balance+0x648/0x7e0
[ 86.044524][ T4470] ? btrfs_ioctl_get_supported_features+0x40/0x40
[ 86.051248][ T4470] __se_sys_ioctl+0xfa/0x170
[ 86.055860][ T4470] do_syscall_64+0x4c/0xa0
[ 86.060389][ T4470] ? clear_bhb_loop+0x30/0x80
[ 86.065087][ T4470] ? clear_bhb_loop+0x30/0x80
[ 86.069872][ T4470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 86.075810][ T4470] RIP: 0033:0x7f6e4fd1a0f9
[ 86.080337][ T4470] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 86.099962][ T4470] RSP: 002b:00007f6e4f0ab0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 86.108406][ T4470] RAX: ffffffffffffffda RBX: 00007f6e4fe58f80 RCX: 00007f6e4fd1a0f9
[ 86.116407][ T4470] RDX: 0000000020001200 RSI: 00000000c4009420 RDI: 0000000000000004
[ 86.124945][ T4470] RBP: 00007f6e4fd7b498 R08: 0000000000000000 R09: 0000000000000000
[ 86.132956][ T4470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 86.141233][ T4470] R13: 000000000000000b R14: 00007f6e4fe58f80 R15: 00007fff76b522e8
[ 86.149671][ T4470]
[ 86.152976][ T4470] Kernel Offset: disabled
[ 86.157512][ T4470] Rebooting in 86400 seconds..