Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. 2026/03/06 06:40:50 ignoring optional flag "type"="gce" 2026/03/06 06:40:50 parsed 1 programs [ 87.020282][ T1108] cfg80211: failed to load regulatory.db 2026/03/06 06:40:52 executed programs: 0 [ 89.050184][ T4427] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 89.207389][ T4506] chnl_net:caif_netlink_parms(): no params data found [ 89.249635][ T4506] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.258117][ T4506] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.266484][ T4506] device bridge_slave_0 entered promiscuous mode [ 89.275699][ T4506] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.283104][ T4506] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.291551][ T4506] device bridge_slave_1 entered promiscuous mode [ 89.312984][ T4506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.325056][ T4506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.348034][ T4506] team0: Port device team_slave_0 added [ 89.356854][ T4506] team0: Port device team_slave_1 added [ 89.374937][ T4506] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.382213][ T4506] 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. [ 89.409382][ T4506] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.421793][ T4506] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.428925][ T4506] 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. [ 89.455903][ T4506] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.486418][ T4506] device hsr_slave_0 entered promiscuous mode [ 89.494245][ T4506] device hsr_slave_1 entered promiscuous mode [ 89.995865][ T4506] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.009648][ T4506] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.022157][ T4506] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.032848][ T4506] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.079195][ T4506] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.086953][ T4506] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.094879][ T4506] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.103011][ T4506] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.196244][ T4506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.230918][ T3041] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.250159][ T3041] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.260311][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 90.294001][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 90.303850][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.330371][ T4506] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.348326][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.371212][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.381968][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.389273][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.410526][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.420270][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.431240][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.438818][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.448703][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.470272][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.505757][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 90.523440][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.546543][ T4506] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 90.563095][ T4506] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 90.575929][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 90.590246][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 90.599863][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.611186][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 90.621826][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.632888][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 90.642117][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.652810][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.794174][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.803026][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.821000][ T4506] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.844655][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 90.856602][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.883051][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.892993][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.903116][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.913190][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.922631][ T4506] device veth0_vlan entered promiscuous mode [ 90.936156][ T4506] device veth1_vlan entered promiscuous mode [ 90.963333][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.973946][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.983525][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.994195][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 91.006775][ T4506] device veth0_macvtap entered promiscuous mode [ 91.020962][ T4506] device veth1_macvtap entered promiscuous mode [ 91.042577][ T4506] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.053762][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 91.063696][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 91.074133][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 91.084730][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 91.099903][ T4506] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.110525][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 91.120490][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 91.134003][ T4506] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.144264][ T4506] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.154482][ T4506] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.165050][ T4506] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.179211][ T1108] Bluetooth: hci0: command 0x0409 tx timeout [ 91.399492][ T4587] [ 91.402142][ T4587] ====================================================== [ 91.409542][ T4587] WARNING: possible circular locking dependency detected [ 91.416959][ T4587] syzkaller #0 Not tainted [ 91.421699][ T4587] ------------------------------------------------------ [ 91.428931][ T4587] syz-executor.0/4587 is trying to acquire lock: [ 91.435448][ T4587] ffff8880245f03f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 91.445861][ T4587] [ 91.445861][ T4587] but task is already holding lock: [ 91.453725][ T4587] ffff88814d3d63f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 91.465348][ T4587] [ 91.465348][ T4587] which lock already depends on the new lock. [ 91.465348][ T4587] [ 91.476131][ T4587] [ 91.476131][ T4587] the existing dependency chain (in reverse order) is: [ 91.485547][ T4587] [ 91.485547][ T4587] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 91.494800][ T4587] __mutex_lock_common+0x1e3/0x2400 [ 91.500924][ T4587] mutex_lock_io_nested+0x43/0x60 [ 91.506808][ T4587] jbd2_journal_flush+0x284/0xcc0 [ 91.512658][ T4587] ext4_ioctl+0x3151/0x3870 [ 91.517725][ T4587] __se_sys_ioctl+0xfa/0x170 [ 91.523402][ T4587] do_syscall_64+0x4c/0xa0 [ 91.529017][ T4587] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.535655][ T4587] [ 91.535655][ T4587] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 91.543965][ T4587] __mutex_lock_common+0x1e3/0x2400 [ 91.550312][ T4587] mutex_lock_nested+0x17/0x20 [ 91.555734][ T4587] jbd2_journal_lock_updates+0x2d1/0x390 [ 91.562531][ T4587] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 91.569575][ T4587] ext4_fileattr_set+0xe5a/0x1750 [ 91.575356][ T4587] vfs_fileattr_set+0x859/0xb10 [ 91.581139][ T4587] do_vfs_ioctl+0x186a/0x1ef0 [ 91.586904][ T4587] __se_sys_ioctl+0x83/0x170 [ 91.592404][ T4587] do_syscall_64+0x4c/0xa0 [ 91.597558][ T4587] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.604359][ T4587] [ 91.604359][ T4587] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 91.613088][ T4587] percpu_down_write+0x52/0x2f0 [ 91.618786][ T4587] ext4_ind_migrate+0x259/0x910 [ 91.624790][ T4587] ext4_fileattr_set+0xf4c/0x1750 [ 91.630814][ T4587] vfs_fileattr_set+0x859/0xb10 [ 91.636401][ T4587] do_vfs_ioctl+0x186a/0x1ef0 [ 91.641916][ T4587] __se_sys_ioctl+0x83/0x170 [ 91.647065][ T4587] do_syscall_64+0x4c/0xa0 [ 91.652762][ T4587] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.659980][ T4587] [ 91.659980][ T4587] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 91.669158][ T4587] __lock_acquire+0x2c42/0x7d10 [ 91.674581][ T4587] lock_acquire+0x19e/0x400 [ 91.680095][ T4587] down_read+0x44/0x2e0 [ 91.685157][ T4587] ext4_bmap+0x4d/0x3f0 [ 91.690196][ T4587] bmap+0xa2/0xd0 [ 91.694586][ T4587] jbd2_journal_flush+0x655/0xcc0 [ 91.700334][ T4587] ext4_ioctl+0x3151/0x3870 [ 91.705392][ T4587] __se_sys_ioctl+0xfa/0x170 [ 91.710543][ T4587] do_syscall_64+0x4c/0xa0 [ 91.715782][ T4587] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.722414][ T4587] [ 91.722414][ T4587] other info that might help us debug this: [ 91.722414][ T4587] [ 91.733454][ T4587] Chain exists of: [ 91.733454][ T4587] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 91.733454][ T4587] [ 91.749850][ T4587] Possible unsafe locking scenario: [ 91.749850][ T4587] [ 91.758192][ T4587] CPU0 CPU1 [ 91.764431][ T4587] ---- ---- [ 91.770120][ T4587] lock(&journal->j_checkpoint_mutex); [ 91.776151][ T4587] lock(&journal->j_barrier); [ 91.783997][ T4587] lock(&journal->j_checkpoint_mutex); [ 91.792956][ T4587] lock(&sb->s_type->i_mutex_key#9); [ 91.799299][ T4587] [ 91.799299][ T4587] *** DEADLOCK *** [ 91.799299][ T4587] [ 91.808188][ T4587] 2 locks held by syz-executor.0/4587: [ 91.814273][ T4587] #0: ffff88814d3d6170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 91.825827][ T4587] #1: ffff88814d3d63f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 91.837790][ T4587] [ 91.837790][ T4587] stack backtrace: [ 91.844053][ T4587] CPU: 1 PID: 4587 Comm: syz-executor.0 Not tainted syzkaller #0 [ 91.852335][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 91.862415][ T4587] Call Trace: [ 91.865722][ T4587] [ 91.868783][ T4587] dump_stack_lvl+0x188/0x250 [ 91.873490][ T4587] ? load_image+0x400/0x400 [ 91.878293][ T4587] ? show_regs_print_info+0x20/0x20 [ 91.883701][ T4587] ? print_circular_bug+0x12b/0x1a0 [ 91.889198][ T4587] check_noncircular+0x296/0x330 [ 91.894399][ T4587] ? lockdep_hardirqs_on+0x94/0x140 [ 91.899875][ T4587] ? add_chain_block+0x940/0x940 [ 91.905104][ T4587] ? lockdep_lock+0xf1/0x1f0 [ 91.909906][ T4587] ? mark_lock+0x94/0x320 [ 91.914610][ T4587] __lock_acquire+0x2c42/0x7d10 [ 91.919685][ T4587] ? verify_lock_unused+0x140/0x140 [ 91.925097][ T4587] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 91.931200][ T4587] ? lockdep_hardirqs_on+0x94/0x140 [ 91.936609][ T4587] ? verify_lock_unused+0x140/0x140 [ 91.942106][ T4587] ? schedule+0x132/0x1e0 [ 91.946728][ T4587] ? io_schedule+0x7c/0xd0 [ 91.951547][ T4587] lock_acquire+0x19e/0x400 [ 91.956434][ T4587] ? ext4_bmap+0x4d/0x3f0 [ 91.961154][ T4587] ? __might_sleep+0xf0/0xf0 [ 91.965777][ T4587] ? read_lock_is_recursive+0x10/0x10 [ 91.971459][ T4587] ? jbd2_journal_flush+0x36f/0xcc0 [ 91.977038][ T4587] ? ext4_journalled_write_end+0xf30/0xf30 [ 91.983499][ T4587] down_read+0x44/0x2e0 [ 91.988465][ T4587] ? ext4_bmap+0x4d/0x3f0 [ 91.993578][ T4587] ? ext4_journalled_write_end+0xf30/0xf30 [ 92.000310][ T4587] ext4_bmap+0x4d/0x3f0 [ 92.004956][ T4587] ? ext4_journalled_write_end+0xf30/0xf30 [ 92.012304][ T4587] bmap+0xa2/0xd0 [ 92.017115][ T4587] jbd2_journal_flush+0x655/0xcc0 [ 92.023539][ T4587] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 92.030895][ T4587] ? bpf_lsm_capable+0x5/0x10 [ 92.036427][ T4587] ? security_capable+0x85/0xb0 [ 92.042051][ T4587] ext4_ioctl+0x3151/0x3870 [ 92.046987][ T4587] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 92.053197][ T4587] ? ext4_fileattr_set+0x1750/0x1750 [ 92.058864][ T4587] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 92.065091][ T4587] ? rcu_lock_release+0x5/0x20 [ 92.070202][ T4587] ? __lock_acquire+0x7d10/0x7d10 [ 92.075953][ T4587] ? kfree+0xef/0x2a0 [ 92.080994][ T4587] ? tomoyo_path_number_perm+0x5b4/0x660 [ 92.087900][ T4587] ? verify_lock_unused+0x140/0x140 [ 92.093318][ T4587] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 92.099028][ T4587] ? bpf_lsm_file_ioctl+0x5/0x10 [ 92.104310][ T4587] ? security_file_ioctl+0x7c/0xa0 [ 92.110070][ T4587] ? ext4_fileattr_set+0x1750/0x1750 [ 92.116053][ T4587] __se_sys_ioctl+0xfa/0x170 [ 92.121251][ T4587] do_syscall_64+0x4c/0xa0 [ 92.125699][ T4587] ? clear_bhb_loop+0x30/0x80 [ 92.130503][ T4587] ? clear_bhb_loop+0x30/0x80 [ 92.135499][ T4587] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.141612][ T4587] RIP: 0033:0x7fe1cc5400f9 [ 92.146353][ T4587] 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 [ 92.166791][ T4587] RSP: 002b:00007fe1cb8d10b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.175593][ T4587] RAX: ffffffffffffffda RBX: 00007fe1cc67ef80 RCX: 00007fe1cc5400f9 [ 92.183720][ T4587] RDX: 00000000200005c0 RSI: 000000004004662b RDI: 0000000000000004 [ 92.192118][ T4587] RBP: 00007fe1cc5a1498 R08: 0000000000000000 R09: 0000000000000000 [ 92.200899][ T4587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.209183][ T4587] R13: 000000000000000b R14: 00007fe1cc67ef80 R15: 00007ffe7db9f828 [ 92.217367][ T4587] [ 93.258519][ T2288] Bluetooth: hci0: command 0x041b tx timeout 2026/03/06 06:40:57 executed programs: 20 [ 95.347450][ T2288] Bluetooth: hci0: command 0x040f tx timeout [ 97.427414][ T1108] Bluetooth: hci0: command 0x0419 tx timeout 2026/03/06 06:41:02 executed programs: 90