Warning: Permanently added '10.128.1.114' (ED25519) to the list of known hosts. 2026/02/06 03:50:27 ignoring optional flag "type"="gce" 2026/02/06 03:50:27 parsed 1 programs [ 71.201456][ T1424] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.207933][ T1424] ieee802154 phy1 wpan1: encryption failed: -22 2026/02/06 03:50:30 executed programs: 0 [ 71.870047][ T4404] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.997981][ T4512] chnl_net:caif_netlink_parms(): no params data found [ 72.031842][ T4512] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.038926][ T4512] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.046646][ T4512] device bridge_slave_0 entered promiscuous mode [ 72.054820][ T4512] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.062015][ T4512] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.069629][ T4512] device bridge_slave_1 entered promiscuous mode [ 72.087173][ T4512] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.097820][ T4512] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.118728][ T4512] team0: Port device team_slave_0 added [ 72.125555][ T4512] team0: Port device team_slave_1 added [ 72.141578][ T4512] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.148517][ T4512] 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. [ 72.174494][ T4512] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.186012][ T4512] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.193110][ T4512] 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. [ 72.219088][ T4512] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.244429][ T4512] device hsr_slave_0 entered promiscuous mode [ 72.251143][ T4512] device hsr_slave_1 entered promiscuous mode [ 72.724140][ T4512] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.736134][ T4512] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.745667][ T4512] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.756439][ T4512] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.780829][ T4512] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.787908][ T4512] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.795802][ T4512] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.802901][ T4512] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.854623][ T4512] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.869917][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.879839][ T1283] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.887790][ T1283] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.895873][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.910100][ T4512] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.921841][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.931934][ T1283] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.938995][ T1283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.951613][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.960324][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.967426][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.980485][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.997026][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.006634][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.017538][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.028541][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.043710][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.054138][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.069116][ T4512] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.080277][ T4512] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.092990][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.102017][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.110485][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.119734][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.134702][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.235593][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.246240][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.259500][ T4512] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.280334][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.291328][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.310886][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.319260][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.328452][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.337068][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.347129][ T4512] device veth0_vlan entered promiscuous mode [ 73.359583][ T4512] device veth1_vlan entered promiscuous mode [ 73.382145][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.391086][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.399155][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.409183][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.420883][ T4512] device veth0_macvtap entered promiscuous mode [ 73.429900][ T4512] device veth1_macvtap entered promiscuous mode [ 73.447808][ T4512] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.456581][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.467012][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.475574][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.486140][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.498451][ T4512] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.506403][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.516298][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.527927][ T4512] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.537188][ T4512] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.547564][ T4512] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.556804][ T4512] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.802458][ T4607] [ 73.804802][ T4607] ====================================================== [ 73.811808][ T4607] WARNING: possible circular locking dependency detected [ 73.818820][ T4607] syzkaller #0 Not tainted [ 73.823223][ T4607] ------------------------------------------------------ [ 73.830228][ T4607] syz-executor.0/4607 is trying to acquire lock: [ 73.836543][ T4607] ffff8880171f83f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 73.846137][ T4607] [ 73.846137][ T4607] but task is already holding lock: [ 73.853495][ T4607] ffff88814d4743f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 73.865233][ T4607] [ 73.865233][ T4607] which lock already depends on the new lock. [ 73.865233][ T4607] [ 73.875617][ T4607] [ 73.875617][ T4607] the existing dependency chain (in reverse order) is: [ 73.884603][ T4607] [ 73.884603][ T4607] -> #4 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 73.893353][ T4607] __mutex_lock_common+0x1e3/0x2400 [ 73.899061][ T4607] mutex_lock_io_nested+0x43/0x60 [ 73.904582][ T4607] jbd2_journal_flush+0x284/0xcc0 [ 73.910106][ T4607] ext4_ioctl+0x3100/0x3820 [ 73.915107][ T4607] __se_sys_ioctl+0xfa/0x170 [ 73.920193][ T4607] do_syscall_64+0x4c/0xa0 [ 73.925106][ T4607] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.931498][ T4607] [ 73.931498][ T4607] -> #3 (&journal->j_barrier){+.+.}-{3:3}: [ 73.939461][ T4607] __mutex_lock_common+0x1e3/0x2400 [ 73.945157][ T4607] mutex_lock_nested+0x17/0x20 [ 73.950418][ T4607] jbd2_journal_lock_updates+0x2d1/0x390 [ 73.956550][ T4607] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 73.963118][ T4607] ext4_fileattr_set+0xe5a/0x1750 [ 73.968643][ T4607] vfs_fileattr_set+0x859/0xb10 [ 73.973989][ T4607] do_vfs_ioctl+0x186a/0x1ef0 [ 73.979161][ T4607] __se_sys_ioctl+0x83/0x170 [ 73.984248][ T4607] do_syscall_64+0x4c/0xa0 [ 73.989160][ T4607] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.995640][ T4607] [ 73.995640][ T4607] -> #2 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 74.004042][ T4607] percpu_down_write+0x52/0x2f0 [ 74.009391][ T4607] ext4_change_inode_journal_flag+0x194/0x6b0 [ 74.015956][ T4607] ext4_fileattr_set+0xe5a/0x1750 [ 74.021477][ T4607] vfs_fileattr_set+0x859/0xb10 [ 74.026822][ T4607] do_vfs_ioctl+0x186a/0x1ef0 [ 74.031996][ T4607] __se_sys_ioctl+0x83/0x170 [ 74.037172][ T4607] do_syscall_64+0x4c/0xa0 [ 74.042086][ T4607] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.048477][ T4607] [ 74.048477][ T4607] -> #1 (mapping.invalidate_lock){++++}-{3:3}: [ 74.056787][ T4607] down_write+0x38/0x60 [ 74.061447][ T4607] ext4_setattr+0xdb6/0x19e0 [ 74.066550][ T4607] notify_change+0xbcd/0xee0 [ 74.071641][ T4607] do_truncate+0x1ac/0x240 [ 74.076562][ T4607] do_sys_ftruncate+0x31b/0x3d0 [ 74.081921][ T4607] do_syscall_64+0x4c/0xa0 [ 74.086840][ T4607] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.093228][ T4607] [ 74.093228][ T4607] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 74.101803][ T4607] __lock_acquire+0x2c42/0x7d10 [ 74.107156][ T4607] lock_acquire+0x19e/0x400 [ 74.112159][ T4607] down_read+0x44/0x2e0 [ 74.116812][ T4607] ext4_bmap+0x4d/0x3f0 [ 74.121467][ T4607] bmap+0xa2/0xd0 [ 74.125599][ T4607] jbd2_journal_flush+0x655/0xcc0 [ 74.131122][ T4607] ext4_ioctl+0x3100/0x3820 [ 74.136121][ T4607] __se_sys_ioctl+0xfa/0x170 [ 74.141205][ T4607] do_syscall_64+0x4c/0xa0 [ 74.146118][ T4607] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.152505][ T4607] [ 74.152505][ T4607] other info that might help us debug this: [ 74.152505][ T4607] [ 74.162706][ T4607] Chain exists of: [ 74.162706][ T4607] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 74.162706][ T4607] [ 74.178142][ T4607] Possible unsafe locking scenario: [ 74.178142][ T4607] [ 74.185564][ T4607] CPU0 CPU1 [ 74.190914][ T4607] ---- ---- [ 74.196251][ T4607] lock(&journal->j_checkpoint_mutex); [ 74.201771][ T4607] lock(&journal->j_barrier); [ 74.209029][ T4607] lock(&journal->j_checkpoint_mutex); [ 74.217073][ T4607] lock(&sb->s_type->i_mutex_key#9); [ 74.222425][ T4607] [ 74.222425][ T4607] *** DEADLOCK *** [ 74.222425][ T4607] [ 74.230542][ T4607] 2 locks held by syz-executor.0/4607: [ 74.235978][ T4607] #0: ffff88814d474170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 74.246829][ T4607] #1: ffff88814d4743f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 74.257849][ T4607] [ 74.257849][ T4607] stack backtrace: [ 74.263724][ T4607] CPU: 1 PID: 4607 Comm: syz-executor.0 Not tainted syzkaller #0 [ 74.271417][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 74.281453][ T4607] Call Trace: [ 74.284712][ T4607] [ 74.287622][ T4607] dump_stack_lvl+0x188/0x250 [ 74.292279][ T4607] ? load_image+0x400/0x400 [ 74.296776][ T4607] ? show_regs_print_info+0x20/0x20 [ 74.301960][ T4607] ? print_circular_bug+0x12b/0x1a0 [ 74.307138][ T4607] check_noncircular+0x296/0x330 [ 74.312051][ T4607] ? lockdep_hardirqs_on+0x94/0x140 [ 74.317225][ T4607] ? add_chain_block+0x940/0x940 [ 74.322137][ T4607] ? lockdep_lock+0xf1/0x1f0 [ 74.326708][ T4607] ? mark_lock+0x94/0x320 [ 74.331014][ T4607] __lock_acquire+0x2c42/0x7d10 [ 74.335851][ T4607] ? verify_lock_unused+0x140/0x140 [ 74.341028][ T4607] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 74.346902][ T4607] ? lockdep_hardirqs_on+0x94/0x140 [ 74.352076][ T4607] ? verify_lock_unused+0x140/0x140 [ 74.357251][ T4607] ? schedule+0x132/0x1e0 [ 74.361557][ T4607] ? io_schedule+0x7c/0xd0 [ 74.365951][ T4607] lock_acquire+0x19e/0x400 [ 74.370430][ T4607] ? ext4_bmap+0x4d/0x3f0 [ 74.374741][ T4607] ? __might_sleep+0xf0/0xf0 [ 74.379308][ T4607] ? read_lock_is_recursive+0x10/0x10 [ 74.384659][ T4607] ? jbd2_journal_flush+0x36f/0xcc0 [ 74.389839][ T4607] ? ext4_journalled_write_end+0xf30/0xf30 [ 74.395621][ T4607] down_read+0x44/0x2e0 [ 74.399755][ T4607] ? ext4_bmap+0x4d/0x3f0 [ 74.404062][ T4607] ? ext4_journalled_write_end+0xf30/0xf30 [ 74.409843][ T4607] ext4_bmap+0x4d/0x3f0 [ 74.413978][ T4607] ? ext4_journalled_write_end+0xf30/0xf30 [ 74.419769][ T4607] bmap+0xa2/0xd0 [ 74.423385][ T4607] jbd2_journal_flush+0x655/0xcc0 [ 74.428390][ T4607] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 74.435215][ T4607] ? bpf_lsm_capable+0x5/0x10 [ 74.439878][ T4607] ? security_capable+0x85/0xb0 [ 74.444708][ T4607] ext4_ioctl+0x3100/0x3820 [ 74.449191][ T4607] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 74.454020][ T4607] ? ext4_fileattr_set+0x1750/0x1750 [ 74.459288][ T4607] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 74.464896][ T4607] ? rcu_lock_release+0x5/0x20 [ 74.469639][ T4607] ? __lock_acquire+0x7d10/0x7d10 [ 74.474645][ T4607] ? kfree+0xef/0x2a0 [ 74.478614][ T4607] ? tomoyo_path_number_perm+0x5b4/0x660 [ 74.484232][ T4607] ? verify_lock_unused+0x140/0x140 [ 74.489407][ T4607] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 74.494855][ T4607] ? bpf_lsm_file_ioctl+0x5/0x10 [ 74.499773][ T4607] ? security_file_ioctl+0x7c/0xa0 [ 74.504860][ T4607] ? ext4_fileattr_set+0x1750/0x1750 [ 74.510126][ T4607] __se_sys_ioctl+0xfa/0x170 [ 74.514691][ T4607] do_syscall_64+0x4c/0xa0 [ 74.519086][ T4607] ? clear_bhb_loop+0x30/0x80 [ 74.523738][ T4607] ? clear_bhb_loop+0x30/0x80 [ 74.528394][ T4607] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.534269][ T4607] RIP: 0033:0x7fd2ba51a3b9 [ 74.538666][ T4607] 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 [ 74.558253][ T4607] RSP: 002b:00007fd2b98aa0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.566649][ T4607] RAX: ffffffffffffffda RBX: 00007fd2ba657f80 RCX: 00007fd2ba51a3b9 [ 74.574599][ T4607] RDX: 0000000020000000 RSI: 000000004004662b RDI: 0000000000000005 [ 74.582552][ T4607] RBP: 00007fd2ba57b4c2 R08: 0000000000000000 R09: 0000000000000000 [ 74.590500][ T4607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.598456][ T4607] R13: 000000000000000b R14: 00007fd2ba657f80 R15: 00007ffd9186ee88 [ 74.606413][ T4607] [ 74.613415][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 76.310937][ T1108] cfg80211: failed to load regulatory.db [ 76.638992][ T1337] Bluetooth: hci0: command 0x041b tx timeout 2026/02/06 03:50:35 executed programs: 37 [ 78.710724][ T1337] Bluetooth: hci0: command 0x040f tx timeout [ 80.790625][ T21] Bluetooth: hci0: command 0x0419 tx timeout 2026/02/06 03:50:40 executed programs: 180