Warning: Permanently added '10.128.1.59' (ED25519) to the list of known hosts. 2026/02/06 04:21:56 ignoring optional flag "type"="gce" 2026/02/06 04:21:57 parsed 1 programs [ 92.115547][ T1324] cfg80211: failed to load regulatory.db 2026/02/06 04:21:59 executed programs: 0 [ 93.062787][ T4473] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 93.235976][ T4509] chnl_net:caif_netlink_parms(): no params data found [ 93.284589][ T4509] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.293260][ T4509] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.302605][ T4509] device bridge_slave_0 entered promiscuous mode [ 93.311217][ T4509] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.319161][ T4509] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.327768][ T4509] device bridge_slave_1 entered promiscuous mode [ 93.350757][ T4509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.363268][ T4509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.387650][ T4509] team0: Port device team_slave_0 added [ 93.395915][ T4509] team0: Port device team_slave_1 added [ 93.416369][ T4509] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.424132][ T4509] 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. [ 93.452286][ T4509] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.466692][ T4509] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.474793][ T4509] 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. [ 93.503744][ T4509] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.536821][ T4509] device hsr_slave_0 entered promiscuous mode [ 93.544504][ T4509] device hsr_slave_1 entered promiscuous mode [ 94.132011][ T4509] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.149738][ T4509] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.161715][ T4509] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.172854][ T4509] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.203328][ T4509] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.211221][ T4509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.219139][ T4509] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.226950][ T4509] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.267824][ T162] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.280137][ T162] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.317110][ T4509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.334019][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.344782][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.356789][ T4509] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.370100][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.380561][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.391161][ T162] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.398675][ T162] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.413740][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.425815][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.436847][ T162] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.444718][ T162] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.463012][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.476400][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.498152][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.509493][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.522182][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.535202][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.545351][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.556079][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.574219][ T4509] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.588802][ T4509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.600881][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.611132][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.623144][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.760035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.768010][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.783102][ T4509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.804906][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.816046][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.839088][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.848861][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.860003][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.869223][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.879515][ T4509] device veth0_vlan entered promiscuous mode [ 94.895148][ T4509] device veth1_vlan entered promiscuous mode [ 94.921478][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.930748][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.939819][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.950009][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.963084][ T4509] device veth0_macvtap entered promiscuous mode [ 94.975271][ T4509] device veth1_macvtap entered promiscuous mode [ 94.994349][ T4509] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.002025][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.011267][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 95.021654][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 95.031143][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 95.045931][ T4509] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.058019][ T4509] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.068057][ T4509] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.079957][ T4509] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.089988][ T4509] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.102222][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 95.112344][ T162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 95.144705][ T1324] Bluetooth: hci0: command 0x0409 tx timeout [ 95.327189][ T4583] [ 95.329588][ T4583] ====================================================== [ 95.336925][ T4583] WARNING: possible circular locking dependency detected [ 95.344465][ T4583] syzkaller #0 Not tainted [ 95.348906][ T4583] ------------------------------------------------------ [ 95.356232][ T4583] syz-executor.0/4583 is trying to acquire lock: [ 95.363046][ T4583] ffff888020fe83f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 95.373115][ T4583] [ 95.373115][ T4583] but task is already holding lock: [ 95.380703][ T4583] ffff88814ccb63f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 95.391822][ T4583] [ 95.391822][ T4583] which lock already depends on the new lock. [ 95.391822][ T4583] [ 95.402806][ T4583] [ 95.402806][ T4583] the existing dependency chain (in reverse order) is: [ 95.412379][ T4583] [ 95.412379][ T4583] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 95.421369][ T4583] __mutex_lock_common+0x1e3/0x2400 [ 95.427145][ T4583] mutex_lock_io_nested+0x43/0x60 [ 95.432740][ T4583] jbd2_journal_flush+0x284/0xcc0 [ 95.438778][ T4583] ext4_ioctl+0x3100/0x3820 [ 95.444025][ T4583] __se_sys_ioctl+0xfa/0x170 [ 95.449376][ T4583] do_syscall_64+0x4c/0xa0 [ 95.454452][ T4583] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.460920][ T4583] [ 95.460920][ T4583] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 95.469507][ T4583] __mutex_lock_common+0x1e3/0x2400 [ 95.475437][ T4583] mutex_lock_nested+0x17/0x20 [ 95.481259][ T4583] jbd2_journal_lock_updates+0x2d1/0x390 [ 95.487599][ T4583] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 95.494691][ T4583] ext4_fileattr_set+0xe5a/0x1750 [ 95.500631][ T4583] vfs_fileattr_set+0x859/0xb10 [ 95.506236][ T4583] do_vfs_ioctl+0x186a/0x1ef0 [ 95.511818][ T4583] __se_sys_ioctl+0x83/0x170 [ 95.517054][ T4583] do_syscall_64+0x4c/0xa0 [ 95.522415][ T4583] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.529683][ T4583] [ 95.529683][ T4583] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 95.538794][ T4583] percpu_down_write+0x52/0x2f0 [ 95.544457][ T4583] ext4_ind_migrate+0x259/0x910 [ 95.550192][ T4583] ext4_fileattr_set+0xf4c/0x1750 [ 95.556048][ T4583] vfs_fileattr_set+0x859/0xb10 [ 95.561653][ T4583] do_vfs_ioctl+0x186a/0x1ef0 [ 95.566989][ T4583] __se_sys_ioctl+0x83/0x170 [ 95.572309][ T4583] do_syscall_64+0x4c/0xa0 [ 95.577467][ T4583] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.584138][ T4583] [ 95.584138][ T4583] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 95.592793][ T4583] __lock_acquire+0x2c42/0x7d10 [ 95.598518][ T4583] lock_acquire+0x19e/0x400 [ 95.603627][ T4583] down_read+0x44/0x2e0 [ 95.608784][ T4583] ext4_bmap+0x4d/0x3f0 [ 95.613695][ T4583] bmap+0xa2/0xd0 [ 95.618000][ T4583] jbd2_journal_flush+0x655/0xcc0 [ 95.623995][ T4583] ext4_ioctl+0x3100/0x3820 [ 95.629328][ T4583] __se_sys_ioctl+0xfa/0x170 [ 95.634994][ T4583] do_syscall_64+0x4c/0xa0 [ 95.639978][ T4583] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.646620][ T4583] [ 95.646620][ T4583] other info that might help us debug this: [ 95.646620][ T4583] [ 95.657577][ T4583] Chain exists of: [ 95.657577][ T4583] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 95.657577][ T4583] [ 95.674759][ T4583] Possible unsafe locking scenario: [ 95.674759][ T4583] [ 95.682515][ T4583] CPU0 CPU1 [ 95.688203][ T4583] ---- ---- [ 95.694020][ T4583] lock(&journal->j_checkpoint_mutex); [ 95.699683][ T4583] lock(&journal->j_barrier); [ 95.707356][ T4583] lock(&journal->j_checkpoint_mutex); [ 95.715717][ T4583] lock(&sb->s_type->i_mutex_key#9); [ 95.721207][ T4583] [ 95.721207][ T4583] *** DEADLOCK *** [ 95.721207][ T4583] [ 95.729561][ T4583] 2 locks held by syz-executor.0/4583: [ 95.735308][ T4583] #0: ffff88814ccb6170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 95.747161][ T4583] #1: ffff88814ccb63f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 95.758556][ T4583] [ 95.758556][ T4583] stack backtrace: [ 95.764677][ T4583] CPU: 1 PID: 4583 Comm: syz-executor.0 Not tainted syzkaller #0 [ 95.772538][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 95.782910][ T4583] Call Trace: [ 95.786344][ T4583] [ 95.789559][ T4583] dump_stack_lvl+0x188/0x250 [ 95.794258][ T4583] ? load_image+0x400/0x400 [ 95.799150][ T4583] ? show_regs_print_info+0x20/0x20 [ 95.804714][ T4583] ? print_circular_bug+0x12b/0x1a0 [ 95.809925][ T4583] check_noncircular+0x296/0x330 [ 95.815200][ T4583] ? lockdep_hardirqs_on+0x94/0x140 [ 95.820632][ T4583] ? add_chain_block+0x940/0x940 [ 95.825597][ T4583] ? lockdep_lock+0xf1/0x1f0 [ 95.830387][ T4583] ? mark_lock+0x94/0x320 [ 95.834736][ T4583] __lock_acquire+0x2c42/0x7d10 [ 95.840074][ T4583] ? verify_lock_unused+0x140/0x140 [ 95.845377][ T4583] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 95.851700][ T4583] ? lockdep_hardirqs_on+0x94/0x140 [ 95.857145][ T4583] ? verify_lock_unused+0x140/0x140 [ 95.862570][ T4583] ? schedule+0x132/0x1e0 [ 95.866928][ T4583] ? io_schedule+0x7c/0xd0 [ 95.871579][ T4583] lock_acquire+0x19e/0x400 [ 95.876898][ T4583] ? ext4_bmap+0x4d/0x3f0 [ 95.881609][ T4583] ? __might_sleep+0xf0/0xf0 [ 95.886507][ T4583] ? read_lock_is_recursive+0x10/0x10 [ 95.892717][ T4583] ? jbd2_journal_flush+0x36f/0xcc0 [ 95.898342][ T4583] ? ext4_journalled_write_end+0xf30/0xf30 [ 95.904314][ T4583] down_read+0x44/0x2e0 [ 95.908593][ T4583] ? ext4_bmap+0x4d/0x3f0 [ 95.912958][ T4583] ? ext4_journalled_write_end+0xf30/0xf30 [ 95.919209][ T4583] ext4_bmap+0x4d/0x3f0 [ 95.923450][ T4583] ? ext4_journalled_write_end+0xf30/0xf30 [ 95.929674][ T4583] bmap+0xa2/0xd0 [ 95.933344][ T4583] jbd2_journal_flush+0x655/0xcc0 [ 95.938397][ T4583] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 95.945402][ T4583] ? bpf_lsm_capable+0x5/0x10 [ 95.950365][ T4583] ? security_capable+0x85/0xb0 [ 95.955738][ T4583] ext4_ioctl+0x3100/0x3820 [ 95.960779][ T4583] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 95.966153][ T4583] ? ext4_fileattr_set+0x1750/0x1750 [ 95.971919][ T4583] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 95.977894][ T4583] ? rcu_lock_release+0x5/0x20 [ 95.983293][ T4583] ? __lock_acquire+0x7d10/0x7d10 [ 95.988445][ T4583] ? kfree+0xef/0x2a0 [ 95.993368][ T4583] ? tomoyo_path_number_perm+0x5b4/0x660 [ 95.999033][ T4583] ? verify_lock_unused+0x140/0x140 [ 96.004707][ T4583] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 96.010644][ T4583] ? bpf_lsm_file_ioctl+0x5/0x10 [ 96.016022][ T4583] ? security_file_ioctl+0x7c/0xa0 [ 96.021347][ T4583] ? ext4_fileattr_set+0x1750/0x1750 [ 96.027033][ T4583] __se_sys_ioctl+0xfa/0x170 [ 96.031645][ T4583] do_syscall_64+0x4c/0xa0 [ 96.036436][ T4583] ? clear_bhb_loop+0x30/0x80 [ 96.041507][ T4583] ? clear_bhb_loop+0x30/0x80 [ 96.046635][ T4583] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 96.052818][ T4583] RIP: 0033:0x7efcd2b75339 [ 96.057533][ T4583] 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 [ 96.078205][ T4583] RSP: 002b:00007efcd1f050b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.087660][ T4583] RAX: ffffffffffffffda RBX: 00007efcd2cb2f80 RCX: 00007efcd2b75339 [ 96.095749][ T4583] RDX: 00000000200005c0 RSI: 000000004004662b RDI: 0000000000000004 [ 96.103872][ T4583] RBP: 00007efcd2bd6498 R08: 0000000000000000 R09: 0000000000000000 [ 96.112052][ T4583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.121235][ T4583] R13: 000000000000000b R14: 00007efcd2cb2f80 R15: 00007ffd3f304bd8 [ 96.129423][ T4583] [ 97.222708][ T2281] Bluetooth: hci0: command 0x041b tx timeout 2026/02/06 04:22:04 executed programs: 27 [ 99.304789][ T2281] Bluetooth: hci0: command 0x040f tx timeout [ 101.382607][ T4209] Bluetooth: hci0: command 0x0419 tx timeout 2026/02/06 04:22:09 executed programs: 109