[ 86.864002][ T1325] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. 2026/06/03 06:20:49 ignoring optional flag "type"="gce" 2026/06/03 06:20:49 parsed 1 programs 2026/06/03 06:20:51 executed programs: 0 [ 91.358560][ T4477] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 91.517198][ T4531] chnl_net:caif_netlink_parms(): no params data found [ 91.563657][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.570942][ T4531] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.579740][ T4531] device bridge_slave_0 entered promiscuous mode [ 91.588636][ T4531] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.595840][ T4531] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.604210][ T4531] device bridge_slave_1 entered promiscuous mode [ 91.626205][ T4531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.638309][ T4531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.665266][ T4531] team0: Port device team_slave_0 added [ 91.673156][ T4531] team0: Port device team_slave_1 added [ 91.695650][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.703011][ T4531] 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. [ 91.729735][ T4531] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.742786][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.750223][ T4531] 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. [ 91.776484][ T4531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.809792][ T4531] device hsr_slave_0 entered promiscuous mode [ 91.817161][ T4531] device hsr_slave_1 entered promiscuous mode [ 92.479559][ T4531] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.494463][ T4531] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.507079][ T4531] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.518282][ T4531] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.603738][ T4531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.620316][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.629774][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.643609][ T4531] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.657071][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.667997][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.679408][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.686624][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.703663][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.712213][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.721838][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.730478][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.737913][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.764549][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.774511][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.784264][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.796989][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.807437][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.817303][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.837192][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.846240][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 92.855898][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.866223][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 92.876230][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.888168][ T4531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.027734][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.037834][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.051711][ T4531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.075778][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.086490][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.108903][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.118957][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.131789][ T4531] device veth0_vlan entered promiscuous mode [ 93.142200][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.152144][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.163113][ T4531] device veth1_vlan entered promiscuous mode [ 93.188913][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.197988][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.207309][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.218195][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.232475][ T4531] device veth0_macvtap entered promiscuous mode [ 93.246221][ T4531] device veth1_macvtap entered promiscuous mode [ 93.268056][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.278341][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.286782][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.296620][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.306040][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.319426][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.328771][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.339496][ T1273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.352397][ T4531] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.362242][ T4531] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.370990][ T4531] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.383193][ T4531] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.502263][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 93.517678][ T4600] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 93.629656][ T4600] [ 93.641855][ T4600] ====================================================== [ 93.649024][ T4600] WARNING: possible circular locking dependency detected [ 93.656098][ T4600] syzkaller #0 Not tainted [ 93.660656][ T4600] ------------------------------------------------------ [ 93.667751][ T4600] syz-executor.0/4600 is trying to acquire lock: [ 93.674113][ T4600] ffff88807e4383f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 93.683865][ T4600] [ 93.683865][ T4600] but task is already holding lock: [ 93.691284][ T4600] ffff88814d4183f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 93.702394][ T4600] [ 93.702394][ T4600] which lock already depends on the new lock. [ 93.702394][ T4600] [ 93.712834][ T4600] [ 93.712834][ T4600] the existing dependency chain (in reverse order) is: [ 93.722022][ T4600] [ 93.722022][ T4600] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 93.730964][ T4600] __mutex_lock_common+0x1e3/0x2400 [ 93.736927][ T4600] mutex_lock_io_nested+0x43/0x60 [ 93.742619][ T4600] jbd2_journal_flush+0x284/0xcc0 [ 93.748360][ T4600] ext4_ioctl+0x3151/0x3870 [ 93.753611][ T4600] __se_sys_ioctl+0xfa/0x170 [ 93.759467][ T4600] do_syscall_64+0x4c/0xa0 [ 93.764546][ T4600] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.771445][ T4600] [ 93.771445][ T4600] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 93.779477][ T4600] __mutex_lock_common+0x1e3/0x2400 [ 93.785253][ T4600] mutex_lock_nested+0x17/0x20 [ 93.791190][ T4600] jbd2_journal_lock_updates+0x2d1/0x390 [ 93.797526][ T4600] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 93.804169][ T4600] ext4_fileattr_set+0xe5a/0x1750 [ 93.809976][ T4600] vfs_fileattr_set+0x859/0xb10 [ 93.815386][ T4600] do_vfs_ioctl+0x186a/0x1ef0 [ 93.820880][ T4600] __se_sys_ioctl+0x83/0x170 [ 93.826423][ T4600] do_syscall_64+0x4c/0xa0 [ 93.831398][ T4600] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.838130][ T4600] [ 93.838130][ T4600] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 93.846690][ T4600] percpu_down_write+0x52/0x2f0 [ 93.852109][ T4600] ext4_ind_migrate+0x259/0x910 [ 93.857990][ T4600] ext4_fileattr_set+0xf4c/0x1750 [ 93.863820][ T4600] vfs_fileattr_set+0x859/0xb10 [ 93.869240][ T4600] do_vfs_ioctl+0x186a/0x1ef0 [ 93.874485][ T4600] __se_sys_ioctl+0x83/0x170 [ 93.879721][ T4600] do_syscall_64+0x4c/0xa0 [ 93.884707][ T4600] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.891182][ T4600] [ 93.891182][ T4600] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 93.899847][ T4600] __lock_acquire+0x2c42/0x7d10 [ 93.905275][ T4600] lock_acquire+0x19e/0x400 [ 93.910350][ T4600] down_read+0x44/0x2e0 [ 93.915082][ T4600] ext4_bmap+0x4d/0x3f0 [ 93.919897][ T4600] bmap+0xa2/0xd0 [ 93.924153][ T4600] jbd2_journal_flush+0x655/0xcc0 [ 93.929752][ T4600] ext4_ioctl+0x3151/0x3870 [ 93.934965][ T4600] __se_sys_ioctl+0xfa/0x170 [ 93.940265][ T4600] do_syscall_64+0x4c/0xa0 [ 93.945256][ T4600] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.951827][ T4600] [ 93.951827][ T4600] other info that might help us debug this: [ 93.951827][ T4600] [ 93.962180][ T4600] Chain exists of: [ 93.962180][ T4600] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 93.962180][ T4600] [ 93.977712][ T4600] Possible unsafe locking scenario: [ 93.977712][ T4600] [ 93.985200][ T4600] CPU0 CPU1 [ 93.990600][ T4600] ---- ---- [ 93.995997][ T4600] lock(&journal->j_checkpoint_mutex); [ 94.001601][ T4600] lock(&journal->j_barrier); [ 94.009107][ T4600] lock(&journal->j_checkpoint_mutex); [ 94.017218][ T4600] lock(&sb->s_type->i_mutex_key#9); [ 94.022935][ T4600] [ 94.022935][ T4600] *** DEADLOCK *** [ 94.022935][ T4600] [ 94.031430][ T4600] 2 locks held by syz-executor.0/4600: [ 94.037078][ T4600] #0: ffff88814d418170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 94.048108][ T4600] #1: ffff88814d4183f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 94.059225][ T4600] [ 94.059225][ T4600] stack backtrace: [ 94.065161][ T4600] CPU: 0 PID: 4600 Comm: syz-executor.0 Not tainted syzkaller #0 [ 94.072960][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 94.083216][ T4600] Call Trace: [ 94.086741][ T4600] [ 94.089704][ T4600] dump_stack_lvl+0x188/0x250 [ 94.094609][ T4600] ? load_image+0x400/0x400 [ 94.099265][ T4600] ? show_regs_print_info+0x20/0x20 [ 94.104791][ T4600] ? print_circular_bug+0x12b/0x1a0 [ 94.110174][ T4600] check_noncircular+0x296/0x330 [ 94.115158][ T4600] ? lockdep_hardirqs_on+0x94/0x140 [ 94.120499][ T4600] ? add_chain_block+0x940/0x940 [ 94.125478][ T4600] ? lockdep_lock+0xf1/0x1f0 [ 94.130287][ T4600] ? mark_lock+0x94/0x320 [ 94.134753][ T4600] __lock_acquire+0x2c42/0x7d10 [ 94.140132][ T4600] ? verify_lock_unused+0x140/0x140 [ 94.145501][ T4600] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 94.151526][ T4600] ? lockdep_hardirqs_on+0x94/0x140 [ 94.157206][ T4600] ? verify_lock_unused+0x140/0x140 [ 94.162537][ T4600] ? schedule+0x132/0x1e0 [ 94.167073][ T4600] ? io_schedule+0x7c/0xd0 [ 94.171537][ T4600] lock_acquire+0x19e/0x400 [ 94.176179][ T4600] ? ext4_bmap+0x4d/0x3f0 [ 94.180559][ T4600] ? __might_sleep+0xf0/0xf0 [ 94.185289][ T4600] ? read_lock_is_recursive+0x10/0x10 [ 94.190973][ T4600] ? jbd2_journal_flush+0x36f/0xcc0 [ 94.196218][ T4600] ? ext4_journalled_write_end+0xf30/0xf30 [ 94.202418][ T4600] down_read+0x44/0x2e0 [ 94.206827][ T4600] ? ext4_bmap+0x4d/0x3f0 [ 94.211376][ T4600] ? ext4_journalled_write_end+0xf30/0xf30 [ 94.217860][ T4600] ext4_bmap+0x4d/0x3f0 [ 94.222198][ T4600] ? ext4_journalled_write_end+0xf30/0xf30 [ 94.228276][ T4600] bmap+0xa2/0xd0 [ 94.231958][ T4600] jbd2_journal_flush+0x655/0xcc0 [ 94.237123][ T4600] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 94.244067][ T4600] ? bpf_lsm_capable+0x5/0x10 [ 94.248827][ T4600] ? security_capable+0x85/0xb0 [ 94.253909][ T4600] ext4_ioctl+0x3151/0x3870 [ 94.258454][ T4600] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 94.263429][ T4600] ? ext4_fileattr_set+0x1750/0x1750 [ 94.269034][ T4600] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 94.274806][ T4600] ? rcu_lock_release+0x5/0x20 [ 94.279713][ T4600] ? __lock_acquire+0x7d10/0x7d10 [ 94.284785][ T4600] ? kfree+0xef/0x2a0 [ 94.288902][ T4600] ? tomoyo_path_number_perm+0x5b4/0x660 [ 94.294675][ T4600] ? verify_lock_unused+0x140/0x140 [ 94.300001][ T4600] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 94.305623][ T4600] ? bpf_lsm_file_ioctl+0x5/0x10 [ 94.310997][ T4600] ? security_file_ioctl+0x7c/0xa0 [ 94.316452][ T4600] ? ext4_fileattr_set+0x1750/0x1750 [ 94.321866][ T4600] __se_sys_ioctl+0xfa/0x170 [ 94.326506][ T4600] do_syscall_64+0x4c/0xa0 [ 94.330981][ T4600] ? clear_bhb_loop+0x30/0x80 [ 94.335699][ T4600] ? clear_bhb_loop+0x30/0x80 [ 94.340415][ T4600] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 94.346360][ T4600] RIP: 0033:0x7feaee35e079 [ 94.350812][ T4600] 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 [ 94.370637][ T4600] RSP: 002b:00007feaed6ef0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.379213][ T4600] RAX: ffffffffffffffda RBX: 00007feaee49cf80 RCX: 00007feaee35e079 [ 94.387403][ T4600] RDX: 00000000200005c0 RSI: 000000004004662b RDI: 0000000000000004 [ 94.395589][ T4600] RBP: 00007feaee3bf498 R08: 0000000000000000 R09: 0000000000000000 [ 94.403596][ T4600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.411610][ T4600] R13: 000000000000000b R14: 00007feaee49cf80 R15: 00007fff3c6b9fe8 [ 94.420001][ T4600] [ 94.510250][ T4630] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 94.575895][ T4636] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 94.665798][ T4642] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 94.740711][ T4649] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 94.817047][ T4655] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 94.909505][ T4661] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 94.982209][ T4667] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 95.057499][ T4673] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 95.155379][ T4680] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 95.581471][ T7] Bluetooth: hci0: command 0x041b tx timeout 2026/06/03 06:20:56 executed programs: 26 [ 97.661088][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 98.553224][ T4974] ext4_ioctl_checkpoint: 46 callbacks suppressed [ 98.553240][ T4974] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 98.626597][ T4980] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 98.698563][ T4985] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 98.780353][ T4992] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 98.855616][ T4999] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 98.933012][ T5004] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 98.993126][ T5006] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 99.053097][ T5008] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 99.110275][ T5010] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 99.169514][ T5012] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 99.741257][ T1325] Bluetooth: hci0: command 0x0419 tx timeout 2026/06/03 06:21:01 executed programs: 109 [ 103.573281][ T5186] ext4_ioctl_checkpoint: 86 callbacks suppressed