Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts. 2026/04/17 19:02:59 ignoring optional flag "type"="gce" 2026/04/17 19:02:59 parsed 1 programs [ 71.329622][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.336246][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 2026/04/17 19:03:01 executed programs: 0 [ 72.378842][ T4424] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 72.531872][ T4487] chnl_net:caif_netlink_parms(): no params data found [ 72.566881][ T4487] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.574187][ T4487] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.582016][ T4487] device bridge_slave_0 entered promiscuous mode [ 72.589804][ T4487] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.598011][ T4487] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.605885][ T4487] device bridge_slave_1 entered promiscuous mode [ 72.625051][ T4487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.636503][ T4487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.659649][ T4487] team0: Port device team_slave_0 added [ 72.668979][ T4487] team0: Port device team_slave_1 added [ 72.693466][ T4487] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.700678][ T4487] 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. [ 72.728384][ T4487] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.741262][ T4487] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.749877][ T4487] 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. [ 72.777685][ T4487] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.817058][ T4487] device hsr_slave_0 entered promiscuous mode [ 72.823994][ T4487] device hsr_slave_1 entered promiscuous mode [ 73.323303][ T4487] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.334985][ T4487] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.345322][ T4487] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.357924][ T4487] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.382937][ T4487] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.390126][ T4487] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.398053][ T4487] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.405182][ T4487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.464864][ T4487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.484143][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.495006][ T1492] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.504790][ T1492] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.514250][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.531480][ T4487] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.544347][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.555069][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.564745][ T1492] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.571923][ T1492] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.590069][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.599842][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.609474][ T1492] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.616804][ T1492] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.628334][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.646639][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.656813][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.666631][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.677281][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.687721][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.698095][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.713567][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.723008][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.734235][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.744266][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.756450][ T4487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.864824][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.872848][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.887545][ T4487] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.908466][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.917355][ T1492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.937236][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.945533][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.955715][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.963641][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.975150][ T4487] device veth0_vlan entered promiscuous mode [ 73.988830][ T4487] device veth1_vlan entered promiscuous mode [ 74.009875][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.018792][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.028058][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.036956][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.048289][ T4487] device veth0_macvtap entered promiscuous mode [ 74.060725][ T4487] device veth1_macvtap entered promiscuous mode [ 74.077832][ T4487] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.085410][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.094367][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.103998][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.112862][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.125181][ T4487] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.134161][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.144293][ T455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.155292][ T4487] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.165037][ T4487] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.174480][ T4487] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.184000][ T4487] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.489800][ T4579] [ 74.492157][ T4579] ====================================================== [ 74.499391][ T4579] WARNING: possible circular locking dependency detected [ 74.506417][ T4579] syzkaller #0 Not tainted [ 74.510838][ T4579] ------------------------------------------------------ [ 74.517841][ T4579] syz-executor.0/4579 is trying to acquire lock: [ 74.524245][ T4579] ffff88801d5603f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 74.533824][ T4579] [ 74.533824][ T4579] but task is already holding lock: [ 74.541166][ T4579] ffff88814ce4c3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 74.551759][ T4579] [ 74.551759][ T4579] which lock already depends on the new lock. [ 74.551759][ T4579] [ 74.562240][ T4579] [ 74.562240][ T4579] the existing dependency chain (in reverse order) is: [ 74.571232][ T4579] [ 74.571232][ T4579] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 74.580082][ T4579] __mutex_lock_common+0x1e3/0x2400 [ 74.585918][ T4579] mutex_lock_io_nested+0x43/0x60 [ 74.591444][ T4579] jbd2_journal_flush+0x284/0xcc0 [ 74.596984][ T4579] ext4_ioctl+0x3151/0x3870 [ 74.601990][ T4579] __se_sys_ioctl+0xfa/0x170 [ 74.607169][ T4579] do_syscall_64+0x4c/0xa0 [ 74.612092][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.618671][ T4579] [ 74.618671][ T4579] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 74.626666][ T4579] __mutex_lock_common+0x1e3/0x2400 [ 74.632394][ T4579] mutex_lock_nested+0x17/0x20 [ 74.637660][ T4579] jbd2_journal_lock_updates+0x2d1/0x390 [ 74.644055][ T4579] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 74.650628][ T4579] ext4_fileattr_set+0xe5a/0x1750 [ 74.656152][ T4579] vfs_fileattr_set+0x859/0xb10 [ 74.661508][ T4579] do_vfs_ioctl+0x186a/0x1ef0 [ 74.666684][ T4579] __se_sys_ioctl+0x83/0x170 [ 74.671776][ T4579] do_syscall_64+0x4c/0xa0 [ 74.676694][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.683095][ T4579] [ 74.683095][ T4579] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 74.691495][ T4579] percpu_down_write+0x52/0x2f0 [ 74.696936][ T4579] ext4_ind_migrate+0x259/0x910 [ 74.702373][ T4579] ext4_fileattr_set+0xf4c/0x1750 [ 74.707898][ T4579] vfs_fileattr_set+0x859/0xb10 [ 74.713337][ T4579] do_vfs_ioctl+0x186a/0x1ef0 [ 74.718517][ T4579] __se_sys_ioctl+0x83/0x170 [ 74.723615][ T4579] do_syscall_64+0x4c/0xa0 [ 74.728543][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.734936][ T4579] [ 74.734936][ T4579] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 74.743514][ T4579] __lock_acquire+0x2c42/0x7d10 [ 74.748871][ T4579] lock_acquire+0x19e/0x400 [ 74.753875][ T4579] down_read+0x44/0x2e0 [ 74.758529][ T4579] ext4_bmap+0x4d/0x3f0 [ 74.763183][ T4579] bmap+0xa2/0xd0 [ 74.767317][ T4579] jbd2_journal_flush+0x655/0xcc0 [ 74.772845][ T4579] ext4_ioctl+0x3151/0x3870 [ 74.777857][ T4579] __se_sys_ioctl+0xfa/0x170 [ 74.782949][ T4579] do_syscall_64+0x4c/0xa0 [ 74.787887][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.794279][ T4579] [ 74.794279][ T4579] other info that might help us debug this: [ 74.794279][ T4579] [ 74.804484][ T4579] Chain exists of: [ 74.804484][ T4579] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 74.804484][ T4579] [ 74.819933][ T4579] Possible unsafe locking scenario: [ 74.819933][ T4579] [ 74.827361][ T4579] CPU0 CPU1 [ 74.832703][ T4579] ---- ---- [ 74.838046][ T4579] lock(&journal->j_checkpoint_mutex); [ 74.843669][ T4579] lock(&journal->j_barrier); [ 74.850930][ T4579] lock(&journal->j_checkpoint_mutex); [ 74.858970][ T4579] lock(&sb->s_type->i_mutex_key#9); [ 74.864321][ T4579] [ 74.864321][ T4579] *** DEADLOCK *** [ 74.864321][ T4579] [ 74.872444][ T4579] 2 locks held by syz-executor.0/4579: [ 74.877889][ T4579] #0: ffff88814ce4c170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 74.888740][ T4579] #1: ffff88814ce4c3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 74.899792][ T4579] [ 74.899792][ T4579] stack backtrace: [ 74.905680][ T4579] CPU: 0 PID: 4579 Comm: syz-executor.0 Not tainted syzkaller #0 [ 74.913380][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.923430][ T4579] Call Trace: [ 74.926705][ T4579] [ 74.929621][ T4579] dump_stack_lvl+0x188/0x250 [ 74.934297][ T4579] ? load_image+0x400/0x400 [ 74.938790][ T4579] ? show_regs_print_info+0x20/0x20 [ 74.943980][ T4579] ? print_circular_bug+0x12b/0x1a0 [ 74.949161][ T4579] check_noncircular+0x296/0x330 [ 74.954078][ T4579] ? lockdep_hardirqs_on+0x94/0x140 [ 74.959267][ T4579] ? add_chain_block+0x940/0x940 [ 74.964184][ T4579] ? lockdep_lock+0xf1/0x1f0 [ 74.968756][ T4579] ? mark_lock+0x94/0x320 [ 74.973062][ T4579] __lock_acquire+0x2c42/0x7d10 [ 74.977899][ T4579] ? verify_lock_unused+0x140/0x140 [ 74.983079][ T4579] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 74.988952][ T4579] ? lockdep_hardirqs_on+0x94/0x140 [ 74.994129][ T4579] ? verify_lock_unused+0x140/0x140 [ 74.999311][ T4579] ? schedule+0x132/0x1e0 [ 75.003622][ T4579] ? io_schedule+0x7c/0xd0 [ 75.008020][ T4579] lock_acquire+0x19e/0x400 [ 75.012503][ T4579] ? ext4_bmap+0x4d/0x3f0 [ 75.016911][ T4579] ? __might_sleep+0xf0/0xf0 [ 75.021482][ T4579] ? read_lock_is_recursive+0x10/0x10 [ 75.026841][ T4579] ? jbd2_journal_flush+0x36f/0xcc0 [ 75.032126][ T4579] ? ext4_journalled_write_end+0xf30/0xf30 [ 75.038088][ T4579] down_read+0x44/0x2e0 [ 75.042230][ T4579] ? ext4_bmap+0x4d/0x3f0 [ 75.046631][ T4579] ? ext4_journalled_write_end+0xf30/0xf30 [ 75.052418][ T4579] ext4_bmap+0x4d/0x3f0 [ 75.056558][ T4579] ? ext4_journalled_write_end+0xf30/0xf30 [ 75.062359][ T4579] bmap+0xa2/0xd0 [ 75.065983][ T4579] jbd2_journal_flush+0x655/0xcc0 [ 75.071363][ T4579] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 75.078300][ T4579] ? bpf_lsm_capable+0x5/0x10 [ 75.082962][ T4579] ? security_capable+0x85/0xb0 [ 75.087882][ T4579] ext4_ioctl+0x3151/0x3870 [ 75.092369][ T4579] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 75.097207][ T4579] ? ext4_fileattr_set+0x1750/0x1750 [ 75.102512][ T4579] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 75.108124][ T4579] ? rcu_lock_release+0x5/0x20 [ 75.112959][ T4579] ? __lock_acquire+0x7d10/0x7d10 [ 75.118169][ T4579] ? kfree+0xef/0x2a0 [ 75.122241][ T4579] ? tomoyo_path_number_perm+0x5b4/0x660 [ 75.127862][ T4579] ? verify_lock_unused+0x140/0x140 [ 75.133052][ T4579] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 75.138507][ T4579] ? bpf_lsm_file_ioctl+0x5/0x10 [ 75.143427][ T4579] ? security_file_ioctl+0x7c/0xa0 [ 75.148521][ T4579] ? ext4_fileattr_set+0x1750/0x1750 [ 75.153920][ T4579] __se_sys_ioctl+0xfa/0x170 [ 75.158493][ T4579] do_syscall_64+0x4c/0xa0 [ 75.162891][ T4579] ? clear_bhb_loop+0x30/0x80 [ 75.167642][ T4579] ? clear_bhb_loop+0x30/0x80 [ 75.172297][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.178178][ T4579] RIP: 0033:0x7f84fbfbf339 [ 75.182577][ T4579] 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 [ 75.202159][ T4579] RSP: 002b:00007f84fb34f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.210557][ T4579] RAX: ffffffffffffffda RBX: 00007f84fc0fcf80 RCX: 00007f84fbfbf339 [ 75.218518][ T4579] RDX: 00000000200005c0 RSI: 000000004004662b RDI: 0000000000000004 [ 75.226474][ T4579] RBP: 00007f84fc020498 R08: 0000000000000000 R09: 0000000000000000 [ 75.234421][ T4579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.242383][ T4579] R13: 000000000000000b R14: 00007f84fc0fcf80 R15: 00007ffdb3c7d508 [ 75.250356][ T4579] [ 75.254937][ T4211] Bluetooth: hci0: command 0x0409 tx timeout [ 76.446091][ T7] cfg80211: failed to load regulatory.db [ 77.326823][ T1111] Bluetooth: hci0: command 0x041b tx timeout 2026/04/17 19:03:06 executed programs: 35 [ 79.405958][ T4211] Bluetooth: hci0: command 0x040f tx timeout [ 81.495696][ T4211] Bluetooth: hci0: command 0x0419 tx timeout 2026/04/17 19:03:11 executed programs: 162