Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. [ 71.502158][ T1427] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.508783][ T1427] ieee802154 phy1 wpan1: encryption failed: -22 2026/04/17 18:44:43 ignoring optional flag "type"="gce" 2026/04/17 18:44:43 parsed 1 programs 2026/04/17 18:44:45 executed programs: 0 [ 74.291781][ T4421] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 74.422319][ T4502] chnl_net:caif_netlink_parms(): no params data found [ 74.460530][ T4502] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.467658][ T4502] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.475610][ T4502] device bridge_slave_0 entered promiscuous mode [ 74.483598][ T4502] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.490969][ T4502] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.499081][ T4502] device bridge_slave_1 entered promiscuous mode [ 74.518264][ T4502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.528952][ T4502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.550239][ T4502] team0: Port device team_slave_0 added [ 74.557360][ T4502] team0: Port device team_slave_1 added [ 74.573188][ T4502] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.580178][ T4502] 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. [ 74.606137][ T4502] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.617839][ T4502] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.624845][ T4502] 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. [ 74.650967][ T4502] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.677932][ T4502] device hsr_slave_0 entered promiscuous mode [ 74.685084][ T4502] device hsr_slave_1 entered promiscuous mode [ 75.102424][ T4502] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.114926][ T4502] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.124647][ T4502] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.134586][ T4502] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.157218][ T4502] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.164355][ T4502] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.171780][ T4502] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.179066][ T4502] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.230124][ T4502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.245899][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.254868][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.263229][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.271595][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.285701][ T4502] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.298093][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.306789][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.313934][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.341175][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.350808][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.357902][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.367615][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.379072][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.394512][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.404869][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.414910][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.427701][ T4502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.546850][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.556153][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.570755][ T4502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.591285][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.601534][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.623283][ T4502] device veth0_vlan entered promiscuous mode [ 75.636154][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.645592][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.655385][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.664210][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.676027][ T4502] device veth1_vlan entered promiscuous mode [ 75.698733][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.709674][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.717760][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.727913][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.740535][ T4502] device veth0_macvtap entered promiscuous mode [ 75.751002][ T4502] device veth1_macvtap entered promiscuous mode [ 75.768720][ T4502] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.776202][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.784892][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.793425][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.803092][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.815558][ T4502] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.824485][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.833232][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.844737][ T4502] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.854682][ T4502] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.863651][ T4502] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.873182][ T4502] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.997496][ T4571] [ 75.999856][ T4571] ====================================================== [ 76.006919][ T4571] WARNING: possible circular locking dependency detected [ 76.013955][ T4571] syzkaller #0 Not tainted [ 76.018457][ T4571] ------------------------------------------------------ [ 76.025472][ T4571] syz-executor.0/4571 is trying to acquire lock: [ 76.031806][ T4571] ffff8881409083f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 76.041423][ T4571] [ 76.041423][ T4571] but task is already holding lock: [ 76.048790][ T4571] ffff88802ce8a3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 76.059419][ T4571] [ 76.059419][ T4571] which lock already depends on the new lock. [ 76.059419][ T4571] [ 76.069994][ T4571] [ 76.069994][ T4571] the existing dependency chain (in reverse order) is: [ 76.079201][ T4571] [ 76.079201][ T4571] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 76.088005][ T4571] __mutex_lock_common+0x1e3/0x2400 [ 76.093760][ T4571] mutex_lock_io_nested+0x43/0x60 [ 76.099409][ T4571] jbd2_journal_flush+0x284/0xcc0 [ 76.104977][ T4571] ext4_ioctl+0x3151/0x3870 [ 76.110025][ T4571] __se_sys_ioctl+0xfa/0x170 [ 76.115147][ T4571] do_syscall_64+0x4c/0xa0 [ 76.120098][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.126540][ T4571] [ 76.126540][ T4571] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 76.134540][ T4571] __mutex_lock_common+0x1e3/0x2400 [ 76.140276][ T4571] mutex_lock_nested+0x17/0x20 [ 76.145576][ T4571] jbd2_journal_lock_updates+0x2d1/0x390 [ 76.151748][ T4571] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 76.158350][ T4571] ext4_fileattr_set+0xe5a/0x1750 [ 76.163907][ T4571] vfs_fileattr_set+0x859/0xb10 [ 76.169392][ T4571] do_vfs_ioctl+0x186a/0x1ef0 [ 76.174596][ T4571] __se_sys_ioctl+0x83/0x170 [ 76.179723][ T4571] do_syscall_64+0x4c/0xa0 [ 76.184681][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.191113][ T4571] [ 76.191113][ T4571] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 76.199556][ T4571] percpu_down_write+0x52/0x2f0 [ 76.204960][ T4571] ext4_ind_migrate+0x259/0x910 [ 76.210346][ T4571] ext4_fileattr_set+0xf4c/0x1750 [ 76.215910][ T4571] vfs_fileattr_set+0x859/0xb10 [ 76.221302][ T4571] do_vfs_ioctl+0x186a/0x1ef0 [ 76.226597][ T4571] __se_sys_ioctl+0x83/0x170 [ 76.231831][ T4571] do_syscall_64+0x4c/0xa0 [ 76.236805][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.243239][ T4571] [ 76.243239][ T4571] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 76.251903][ T4571] __lock_acquire+0x2c42/0x7d10 [ 76.257302][ T4571] lock_acquire+0x19e/0x400 [ 76.262343][ T4571] down_read+0x44/0x2e0 [ 76.267029][ T4571] ext4_bmap+0x4d/0x3f0 [ 76.271720][ T4571] bmap+0xa2/0xd0 [ 76.275884][ T4571] jbd2_journal_flush+0x655/0xcc0 [ 76.281534][ T4571] ext4_ioctl+0x3151/0x3870 [ 76.286752][ T4571] __se_sys_ioctl+0xfa/0x170 [ 76.291868][ T4571] do_syscall_64+0x4c/0xa0 [ 76.296823][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.303300][ T4571] [ 76.303300][ T4571] other info that might help us debug this: [ 76.303300][ T4571] [ 76.313532][ T4571] Chain exists of: [ 76.313532][ T4571] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 76.313532][ T4571] [ 76.329182][ T4571] Possible unsafe locking scenario: [ 76.329182][ T4571] [ 76.336806][ T4571] CPU0 CPU1 [ 76.342188][ T4571] ---- ---- [ 76.347556][ T4571] lock(&journal->j_checkpoint_mutex); [ 76.353284][ T4571] lock(&journal->j_barrier); [ 76.360573][ T4571] lock(&journal->j_checkpoint_mutex); [ 76.368741][ T4571] lock(&sb->s_type->i_mutex_key#9); [ 76.374129][ T4571] [ 76.374129][ T4571] *** DEADLOCK *** [ 76.374129][ T4571] [ 76.379784][ T23] Bluetooth: hci0: command 0x0409 tx timeout [ 76.382476][ T4571] 2 locks held by syz-executor.0/4571: [ 76.393892][ T4571] #0: ffff88802ce8a170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 76.404786][ T4571] #1: ffff88802ce8a3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 76.415853][ T4571] [ 76.415853][ T4571] stack backtrace: [ 76.421766][ T4571] CPU: 0 PID: 4571 Comm: syz-executor.0 Not tainted syzkaller #0 [ 76.429493][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.439576][ T4571] Call Trace: [ 76.442871][ T4571] [ 76.445808][ T4571] dump_stack_lvl+0x188/0x250 [ 76.450503][ T4571] ? load_image+0x400/0x400 [ 76.455093][ T4571] ? show_regs_print_info+0x20/0x20 [ 76.460314][ T4571] ? print_circular_bug+0x12b/0x1a0 [ 76.465645][ T4571] check_noncircular+0x296/0x330 [ 76.470739][ T4571] ? lockdep_hardirqs_on+0x94/0x140 [ 76.475954][ T4571] ? add_chain_block+0x940/0x940 [ 76.481088][ T4571] ? lockdep_lock+0xf1/0x1f0 [ 76.485704][ T4571] ? mark_lock+0x94/0x320 [ 76.490145][ T4571] __lock_acquire+0x2c42/0x7d10 [ 76.495120][ T4571] ? verify_lock_unused+0x140/0x140 [ 76.500540][ T4571] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 76.506621][ T4571] ? lockdep_hardirqs_on+0x94/0x140 [ 76.511842][ T4571] ? verify_lock_unused+0x140/0x140 [ 76.517069][ T4571] ? schedule+0x132/0x1e0 [ 76.521416][ T4571] ? io_schedule+0x7c/0xd0 [ 76.525981][ T4571] lock_acquire+0x19e/0x400 [ 76.530507][ T4571] ? ext4_bmap+0x4d/0x3f0 [ 76.534955][ T4571] ? __might_sleep+0xf0/0xf0 [ 76.539643][ T4571] ? read_lock_is_recursive+0x10/0x10 [ 76.545029][ T4571] ? jbd2_journal_flush+0x36f/0xcc0 [ 76.550423][ T4571] ? ext4_journalled_write_end+0xf30/0xf30 [ 76.556245][ T4571] down_read+0x44/0x2e0 [ 76.560416][ T4571] ? ext4_bmap+0x4d/0x3f0 [ 76.564758][ T4571] ? ext4_journalled_write_end+0xf30/0xf30 [ 76.570680][ T4571] ext4_bmap+0x4d/0x3f0 [ 76.574855][ T4571] ? ext4_journalled_write_end+0xf30/0xf30 [ 76.580694][ T4571] bmap+0xa2/0xd0 [ 76.584350][ T4571] jbd2_journal_flush+0x655/0xcc0 [ 76.589396][ T4571] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 76.596263][ T4571] ? bpf_lsm_capable+0x5/0x10 [ 76.600951][ T4571] ? security_capable+0x85/0xb0 [ 76.605819][ T4571] ext4_ioctl+0x3151/0x3870 [ 76.610342][ T4571] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 76.615206][ T4571] ? ext4_fileattr_set+0x1750/0x1750 [ 76.619671][ T1108] cfg80211: failed to load regulatory.db [ 76.620500][ T4571] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 76.631740][ T4571] ? rcu_lock_release+0x5/0x20 [ 76.636518][ T4571] ? __lock_acquire+0x7d10/0x7d10 [ 76.641558][ T4571] ? kfree+0xef/0x2a0 [ 76.645559][ T4571] ? tomoyo_path_number_perm+0x5b4/0x660 [ 76.651202][ T4571] ? verify_lock_unused+0x140/0x140 [ 76.656426][ T4571] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 76.661918][ T4571] ? bpf_lsm_file_ioctl+0x5/0x10 [ 76.666867][ T4571] ? security_file_ioctl+0x7c/0xa0 [ 76.672104][ T4571] ? ext4_fileattr_set+0x1750/0x1750 [ 76.677408][ T4571] __se_sys_ioctl+0xfa/0x170 [ 76.682011][ T4571] do_syscall_64+0x4c/0xa0 [ 76.686448][ T4571] ? clear_bhb_loop+0x30/0x80 [ 76.691139][ T4571] ? clear_bhb_loop+0x30/0x80 [ 76.695838][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.701847][ T4571] RIP: 0033:0x7f30ccdfe079 [ 76.706275][ T4571] 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 [ 76.725979][ T4571] RSP: 002b:00007f30cc18f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.734402][ T4571] RAX: ffffffffffffffda RBX: 00007f30ccf3cf80 RCX: 00007f30ccdfe079 [ 76.742387][ T4571] RDX: 00000000200005c0 RSI: 000000004004662b RDI: 0000000000000004 [ 76.750520][ T4571] RBP: 00007f30cce5f498 R08: 0000000000000000 R09: 0000000000000000 [ 76.758503][ T4571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.766483][ T4571] R13: 000000000000000b R14: 00007f30ccf3cf80 R15: 00007ffed5103218 [ 76.774475][ T4571] [ 78.459380][ T23] Bluetooth: hci0: command 0x041b tx timeout 2026/04/17 18:44:50 executed programs: 41 [ 80.539513][ T23] Bluetooth: hci0: command 0x040f tx timeout [ 82.619384][ T4203] Bluetooth: hci0: command 0x0419 tx timeout 2026/04/17 18:44:55 executed programs: 162