[ 86.728002][ T1324] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.33' (ED25519) to the list of known hosts. 2026/06/03 06:27:02 ignoring optional flag "type"="gce" 2026/06/03 06:27:02 parsed 1 programs 2026/06/03 06:27:04 executed programs: 0 [ 91.167692][ T4510] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 91.326195][ T4532] chnl_net:caif_netlink_parms(): no params data found [ 91.370723][ T4532] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.377936][ T4532] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.386133][ T4532] device bridge_slave_0 entered promiscuous mode [ 91.394148][ T4532] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.401732][ T4532] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.409709][ T4532] device bridge_slave_1 entered promiscuous mode [ 91.431425][ T4532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.443795][ T4532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.467879][ T4532] team0: Port device team_slave_0 added [ 91.476525][ T4532] team0: Port device team_slave_1 added [ 91.496660][ T4532] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.503640][ T4532] 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. [ 91.529868][ T4532] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.541915][ T4532] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.549394][ T4532] 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. [ 91.575380][ T4532] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.608551][ T4532] device hsr_slave_0 entered promiscuous mode [ 91.617552][ T4532] device hsr_slave_1 entered promiscuous mode [ 92.157947][ T4532] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.168099][ T4532] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.179705][ T4532] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.189520][ T4532] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.215404][ T4532] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.222515][ T4532] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.229962][ T4532] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.237096][ T4532] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.293698][ T4532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.311566][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.321708][ T1453] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.329967][ T1453] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.339027][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 92.354585][ T4532] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.366703][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.377087][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.385997][ T1453] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.393096][ T1453] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.413457][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.423830][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.433905][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.441090][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.450460][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.459497][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.477224][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.488411][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.498849][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.509616][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.518675][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.533894][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 92.543315][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.558941][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 92.569480][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.581824][ T4532] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.709222][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.717847][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 92.730969][ T4532] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.753777][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 92.763262][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 92.784614][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 92.794244][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 92.812001][ T4532] device veth0_vlan entered promiscuous mode [ 92.821746][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 92.830443][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 92.846077][ T4532] device veth1_vlan entered promiscuous mode [ 92.870170][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 92.882087][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 92.890550][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 92.900745][ T1453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 92.913168][ T4532] device veth0_macvtap entered promiscuous mode [ 92.925189][ T4532] device veth1_macvtap entered promiscuous mode [ 92.943485][ T4532] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.951051][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 92.960862][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 92.969166][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 92.979366][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 92.992515][ T4532] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.000825][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.011117][ T3091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.023756][ T4532] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.033913][ T4532] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.044065][ T4532] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.054477][ T4532] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.296267][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 93.311717][ T4597] [ 93.314085][ T4597] ====================================================== [ 93.321139][ T4597] WARNING: possible circular locking dependency detected [ 93.328189][ T4597] syzkaller #0 Not tainted [ 93.332616][ T4597] ------------------------------------------------------ [ 93.339649][ T4597] syz-executor.0/4597 is trying to acquire lock: [ 93.345991][ T4597] ffff888146ee83f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 93.355642][ T4597] [ 93.355642][ T4597] but task is already holding lock: [ 93.363030][ T4597] ffff88802c6e43f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 93.373795][ T4597] [ 93.373795][ T4597] which lock already depends on the new lock. [ 93.373795][ T4597] [ 93.384217][ T4597] [ 93.384217][ T4597] the existing dependency chain (in reverse order) is: [ 93.393251][ T4597] [ 93.393251][ T4597] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 93.402074][ T4597] __mutex_lock_common+0x1e3/0x2400 [ 93.407849][ T4597] mutex_lock_io_nested+0x43/0x60 [ 93.413442][ T4597] jbd2_journal_flush+0x284/0xcc0 [ 93.419195][ T4597] ext4_ioctl+0x3151/0x3870 [ 93.424253][ T4597] __se_sys_ioctl+0xfa/0x170 [ 93.429391][ T4597] do_syscall_64+0x4c/0xa0 [ 93.434361][ T4597] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.440804][ T4597] [ 93.440804][ T4597] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 93.448830][ T4597] __mutex_lock_common+0x1e3/0x2400 [ 93.454595][ T4597] mutex_lock_nested+0x17/0x20 [ 93.459913][ T4597] jbd2_journal_lock_updates+0x2d1/0x390 [ 93.466114][ T4597] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 93.472849][ T4597] ext4_fileattr_set+0xe5a/0x1750 [ 93.478423][ T4597] vfs_fileattr_set+0x859/0xb10 [ 93.483818][ T4597] do_vfs_ioctl+0x186a/0x1ef0 [ 93.489042][ T4597] __se_sys_ioctl+0x83/0x170 [ 93.494177][ T4597] do_syscall_64+0x4c/0xa0 [ 93.499163][ T4597] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.505623][ T4597] [ 93.505623][ T4597] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 93.514081][ T4597] percpu_down_write+0x52/0x2f0 [ 93.519485][ T4597] ext4_ind_migrate+0x259/0x910 [ 93.524882][ T4597] ext4_fileattr_set+0xf4c/0x1750 [ 93.530634][ T4597] vfs_fileattr_set+0x859/0xb10 [ 93.536032][ T4597] do_vfs_ioctl+0x186a/0x1ef0 [ 93.541254][ T4597] __se_sys_ioctl+0x83/0x170 [ 93.546394][ T4597] do_syscall_64+0x4c/0xa0 [ 93.551356][ T4597] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.557797][ T4597] [ 93.557797][ T4597] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 93.566435][ T4597] __lock_acquire+0x2c42/0x7d10 [ 93.571847][ T4597] lock_acquire+0x19e/0x400 [ 93.576898][ T4597] down_read+0x44/0x2e0 [ 93.581604][ T4597] ext4_bmap+0x4d/0x3f0 [ 93.586313][ T4597] bmap+0xa2/0xd0 [ 93.590499][ T4597] jbd2_journal_flush+0x655/0xcc0 [ 93.596090][ T4597] ext4_ioctl+0x3151/0x3870 [ 93.601142][ T4597] __se_sys_ioctl+0xfa/0x170 [ 93.606284][ T4597] do_syscall_64+0x4c/0xa0 [ 93.611248][ T4597] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.617698][ T4597] [ 93.617698][ T4597] other info that might help us debug this: [ 93.617698][ T4597] [ 93.627954][ T4597] Chain exists of: [ 93.627954][ T4597] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 93.627954][ T4597] [ 93.643461][ T4597] Possible unsafe locking scenario: [ 93.643461][ T4597] [ 93.650932][ T4597] CPU0 CPU1 [ 93.656412][ T4597] ---- ---- [ 93.661795][ T4597] lock(&journal->j_checkpoint_mutex); [ 93.667362][ T4597] lock(&journal->j_barrier); [ 93.674659][ T4597] lock(&journal->j_checkpoint_mutex); [ 93.682734][ T4597] lock(&sb->s_type->i_mutex_key#9); [ 93.688119][ T4597] [ 93.688119][ T4597] *** DEADLOCK *** [ 93.688119][ T4597] [ 93.696353][ T4597] 2 locks held by syz-executor.0/4597: [ 93.701813][ T4597] #0: ffff88802c6e4170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 93.712712][ T4597] #1: ffff88802c6e43f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 93.723786][ T4597] [ 93.723786][ T4597] stack backtrace: [ 93.729706][ T4597] CPU: 0 PID: 4597 Comm: syz-executor.0 Not tainted syzkaller #0 [ 93.737441][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 93.747526][ T4597] Call Trace: [ 93.750947][ T4597] [ 93.753897][ T4597] dump_stack_lvl+0x188/0x250 [ 93.758595][ T4597] ? load_image+0x400/0x400 [ 93.763124][ T4597] ? show_regs_print_info+0x20/0x20 [ 93.768344][ T4597] ? print_circular_bug+0x12b/0x1a0 [ 93.773569][ T4597] check_noncircular+0x296/0x330 [ 93.778531][ T4597] ? lockdep_hardirqs_on+0x94/0x140 [ 93.783752][ T4597] ? add_chain_block+0x940/0x940 [ 93.788702][ T4597] ? lockdep_lock+0xf1/0x1f0 [ 93.793326][ T4597] ? mark_lock+0x94/0x320 [ 93.797672][ T4597] __lock_acquire+0x2c42/0x7d10 [ 93.802549][ T4597] ? verify_lock_unused+0x140/0x140 [ 93.807770][ T4597] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 93.813691][ T4597] ? lockdep_hardirqs_on+0x94/0x140 [ 93.818914][ T4597] ? verify_lock_unused+0x140/0x140 [ 93.824128][ T4597] ? schedule+0x132/0x1e0 [ 93.828472][ T4597] ? io_schedule+0x7c/0xd0 [ 93.832910][ T4597] lock_acquire+0x19e/0x400 [ 93.837437][ T4597] ? ext4_bmap+0x4d/0x3f0 [ 93.841830][ T4597] ? __might_sleep+0xf0/0xf0 [ 93.846468][ T4597] ? read_lock_is_recursive+0x10/0x10 [ 93.851863][ T4597] ? jbd2_journal_flush+0x36f/0xcc0 [ 93.857082][ T4597] ? ext4_journalled_write_end+0xf30/0xf30 [ 93.862906][ T4597] down_read+0x44/0x2e0 [ 93.867083][ T4597] ? ext4_bmap+0x4d/0x3f0 [ 93.871431][ T4597] ? ext4_journalled_write_end+0xf30/0xf30 [ 93.877348][ T4597] ext4_bmap+0x4d/0x3f0 [ 93.881525][ T4597] ? ext4_journalled_write_end+0xf30/0xf30 [ 93.887345][ T4597] bmap+0xa2/0xd0 [ 93.891006][ T4597] jbd2_journal_flush+0x655/0xcc0 [ 93.896228][ T4597] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 93.903095][ T4597] ? bpf_lsm_capable+0x5/0x10 [ 93.907786][ T4597] ? security_capable+0x85/0xb0 [ 93.912656][ T4597] ext4_ioctl+0x3151/0x3870 [ 93.917182][ T4597] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 93.922043][ T4597] ? ext4_fileattr_set+0x1750/0x1750 [ 93.927343][ T4597] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 93.932994][ T4597] ? rcu_lock_release+0x5/0x20 [ 93.937778][ T4597] ? __lock_acquire+0x7d10/0x7d10 [ 93.942826][ T4597] ? kfree+0xef/0x2a0 [ 93.946824][ T4597] ? tomoyo_path_number_perm+0x5b4/0x660 [ 93.952475][ T4597] ? verify_lock_unused+0x140/0x140 [ 93.957695][ T4597] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 93.963190][ T4597] ? bpf_lsm_file_ioctl+0x5/0x10 [ 93.968146][ T4597] ? security_file_ioctl+0x7c/0xa0 [ 93.973274][ T4597] ? ext4_fileattr_set+0x1750/0x1750 [ 93.978577][ T4597] __se_sys_ioctl+0xfa/0x170 [ 93.983181][ T4597] do_syscall_64+0x4c/0xa0 [ 93.987613][ T4597] ? clear_bhb_loop+0x30/0x80 [ 93.992306][ T4597] ? clear_bhb_loop+0x30/0x80 [ 93.997002][ T4597] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 94.002920][ T4597] RIP: 0033:0x7fd0b3ef80f9 [ 94.007361][ T4597] 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 [ 94.027083][ T4597] RSP: 002b:00007fd0b32890b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.035514][ T4597] RAX: ffffffffffffffda RBX: 00007fd0b4036f80 RCX: 00007fd0b3ef80f9 [ 94.043516][ T4597] RDX: 0000000020000240 RSI: 000000004004662b RDI: 0000000000000004 [ 94.051517][ T4597] RBP: 00007fd0b3f59498 R08: 0000000000000000 R09: 0000000000000000 [ 94.059511][ T4597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.067504][ T4597] R13: 000000000000000b R14: 00007fd0b4036f80 R15: 00007fff814086c8 [ 94.075500][ T4597] [ 95.366440][ T4217] Bluetooth: hci0: command 0x041b tx timeout 2026/06/03 06:27:09 executed programs: 31 [ 97.445541][ T21] Bluetooth: hci0: command 0x040f tx timeout [ 99.525465][ T1324] Bluetooth: hci0: command 0x0419 tx timeout 2026/06/03 06:27:14 executed programs: 124