Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts. 2026/04/17 18:57:27 ignoring optional flag "type"="gce" 2026/04/17 18:57:27 parsed 1 programs 2026/04/17 18:57:29 executed programs: 0 [ 84.764841][ T4448] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 84.911166][ T4505] chnl_net:caif_netlink_parms(): no params data found [ 84.948666][ T4505] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.956084][ T4505] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.963868][ T4505] device bridge_slave_0 entered promiscuous mode [ 84.972961][ T4505] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.980248][ T4505] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.988226][ T4505] device bridge_slave_1 entered promiscuous mode [ 85.007042][ T4505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.018237][ T4505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.040852][ T4505] team0: Port device team_slave_0 added [ 85.048373][ T4505] team0: Port device team_slave_1 added [ 85.065487][ T4505] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.072903][ T4505] 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. [ 85.101513][ T4505] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.113989][ T4505] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.121490][ T4505] 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. [ 85.149399][ T4505] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.178851][ T4505] device hsr_slave_0 entered promiscuous mode [ 85.186057][ T4505] device hsr_slave_1 entered promiscuous mode [ 85.666002][ T4505] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.677464][ T4505] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.687615][ T4505] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.697773][ T4505] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.724721][ T4505] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.732843][ T4505] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.741004][ T4505] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.748846][ T4505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.811827][ T4505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.827781][ T1281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.837032][ T1281] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.848574][ T1281] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.858202][ T1281] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 85.876574][ T4505] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.891109][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 85.902359][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.916534][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.924088][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.946613][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.956623][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.966301][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.973725][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.987467][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.998667][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.020664][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.032391][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.043537][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 86.056910][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.067523][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 86.077367][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.091019][ T4505] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 86.109947][ T4505] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.123657][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.133591][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.143261][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.268007][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.276132][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.293141][ T4505] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.319953][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 86.332344][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 86.358243][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 86.370599][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 86.381035][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 86.389932][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 86.401005][ T4505] device veth0_vlan entered promiscuous mode [ 86.418826][ T4505] device veth1_vlan entered promiscuous mode [ 86.448262][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 86.458401][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 86.472634][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 86.481981][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 86.494007][ T4505] device veth0_macvtap entered promiscuous mode [ 86.510506][ T4505] device veth1_macvtap entered promiscuous mode [ 86.534008][ T4505] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.543984][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.558128][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 86.568478][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 86.581386][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.595836][ T4505] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.611405][ T1281] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 86.631957][ T1281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 86.650475][ T4505] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.661725][ T4505] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.672724][ T4505] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.682315][ T4505] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.789175][ T1107] cfg80211: failed to load regulatory.db [ 86.877358][ T4211] Bluetooth: hci0: command 0x0409 tx timeout [ 86.938638][ T4586] [ 86.941186][ T4586] ====================================================== [ 86.948993][ T4586] WARNING: possible circular locking dependency detected [ 86.956042][ T4586] syzkaller #0 Not tainted [ 86.960477][ T4586] ------------------------------------------------------ [ 86.967932][ T4586] syz-executor.0/4586 is trying to acquire lock: [ 86.974561][ T4586] ffff88807d8883f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_bmap+0x4d/0x3f0 [ 86.985205][ T4586] [ 86.985205][ T4586] but task is already holding lock: [ 86.992936][ T4586] ffff88814cbbc3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 87.004704][ T4586] [ 87.004704][ T4586] which lock already depends on the new lock. [ 87.004704][ T4586] [ 87.017499][ T4586] [ 87.017499][ T4586] the existing dependency chain (in reverse order) is: [ 87.028603][ T4586] [ 87.028603][ T4586] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 87.039258][ T4586] __mutex_lock_common+0x1e3/0x2400 [ 87.045723][ T4586] mutex_lock_io_nested+0x43/0x60 [ 87.052384][ T4586] jbd2_journal_flush+0x284/0xcc0 [ 87.058555][ T4586] ext4_ioctl+0x3151/0x3870 [ 87.064276][ T4586] __se_sys_ioctl+0xfa/0x170 [ 87.069677][ T4586] do_syscall_64+0x4c/0xa0 [ 87.074727][ T4586] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.081667][ T4586] [ 87.081667][ T4586] -> #2 (&journal->j_barrier){+.+.}-{3:3}: [ 87.089676][ T4586] __mutex_lock_common+0x1e3/0x2400 [ 87.095402][ T4586] mutex_lock_nested+0x17/0x20 [ 87.100696][ T4586] jbd2_journal_lock_updates+0x2d1/0x390 [ 87.108445][ T4586] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 87.117876][ T4586] ext4_fileattr_set+0xe5a/0x1750 [ 87.124460][ T4586] vfs_fileattr_set+0x859/0xb10 [ 87.132300][ T4586] do_vfs_ioctl+0x186a/0x1ef0 [ 87.141046][ T4586] __se_sys_ioctl+0x83/0x170 [ 87.146761][ T4586] do_syscall_64+0x4c/0xa0 [ 87.152646][ T4586] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.160423][ T4586] [ 87.160423][ T4586] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 87.168951][ T4586] percpu_down_write+0x52/0x2f0 [ 87.174874][ T4586] ext4_ind_migrate+0x259/0x910 [ 87.180579][ T4586] ext4_fileattr_set+0xf4c/0x1750 [ 87.187245][ T4586] vfs_fileattr_set+0x859/0xb10 [ 87.192956][ T4586] do_vfs_ioctl+0x186a/0x1ef0 [ 87.198606][ T4586] __se_sys_ioctl+0x83/0x170 [ 87.205541][ T4586] do_syscall_64+0x4c/0xa0 [ 87.212430][ T4586] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.220193][ T4586] [ 87.220193][ T4586] -> #0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 87.229484][ T4586] __lock_acquire+0x2c42/0x7d10 [ 87.235506][ T4586] lock_acquire+0x19e/0x400 [ 87.240839][ T4586] down_read+0x44/0x2e0 [ 87.246207][ T4586] ext4_bmap+0x4d/0x3f0 [ 87.251093][ T4586] bmap+0xa2/0xd0 [ 87.255695][ T4586] jbd2_journal_flush+0x655/0xcc0 [ 87.261742][ T4586] ext4_ioctl+0x3151/0x3870 [ 87.267034][ T4586] __se_sys_ioctl+0xfa/0x170 [ 87.272326][ T4586] do_syscall_64+0x4c/0xa0 [ 87.278310][ T4586] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.284878][ T4586] [ 87.284878][ T4586] other info that might help us debug this: [ 87.284878][ T4586] [ 87.296617][ T4586] Chain exists of: [ 87.296617][ T4586] &sb->s_type->i_mutex_key#9 --> &journal->j_barrier --> &journal->j_checkpoint_mutex [ 87.296617][ T4586] [ 87.316989][ T4586] Possible unsafe locking scenario: [ 87.316989][ T4586] [ 87.326464][ T4586] CPU0 CPU1 [ 87.333957][ T4586] ---- ---- [ 87.340383][ T4586] lock(&journal->j_checkpoint_mutex); [ 87.347421][ T4586] lock(&journal->j_barrier); [ 87.358037][ T4586] lock(&journal->j_checkpoint_mutex); [ 87.370020][ T4586] lock(&sb->s_type->i_mutex_key#9); [ 87.377813][ T4586] [ 87.377813][ T4586] *** DEADLOCK *** [ 87.377813][ T4586] [ 87.390621][ T4586] 2 locks held by syz-executor.0/4586: [ 87.398802][ T4586] #0: ffff88814cbbc170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2d1/0x390 [ 87.414988][ T4586] #1: ffff88814cbbc3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x313/0xcc0 [ 87.428973][ T4586] [ 87.428973][ T4586] stack backtrace: [ 87.439592][ T4586] CPU: 0 PID: 4586 Comm: syz-executor.0 Not tainted syzkaller #0 [ 87.450407][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.464632][ T4586] Call Trace: [ 87.468777][ T4586] [ 87.472235][ T4586] dump_stack_lvl+0x188/0x250 [ 87.477565][ T4586] ? load_image+0x400/0x400 [ 87.482091][ T4586] ? show_regs_print_info+0x20/0x20 [ 87.488903][ T4586] ? print_circular_bug+0x12b/0x1a0 [ 87.494888][ T4586] check_noncircular+0x296/0x330 [ 87.500466][ T4586] ? kmem_cache_free+0x14c/0x210 [ 87.506706][ T4586] ? add_chain_block+0x940/0x940 [ 87.513680][ T4586] ? lockdep_lock+0xf1/0x1f0 [ 87.519599][ T4586] ? mark_lock+0x94/0x320 [ 87.524234][ T4586] __lock_acquire+0x2c42/0x7d10 [ 87.530603][ T4586] ? verify_lock_unused+0x140/0x140 [ 87.537393][ T4586] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 87.544875][ T4586] ? lockdep_hardirqs_on+0x94/0x140 [ 87.552041][ T4586] ? verify_lock_unused+0x140/0x140 [ 87.559419][ T4586] ? schedule+0x132/0x1e0 [ 87.565386][ T4586] ? io_schedule+0x7c/0xd0 [ 87.571459][ T4586] lock_acquire+0x19e/0x400 [ 87.577931][ T4586] ? ext4_bmap+0x4d/0x3f0 [ 87.583489][ T4586] ? __might_sleep+0xf0/0xf0 [ 87.589370][ T4586] ? read_lock_is_recursive+0x10/0x10 [ 87.595433][ T4586] ? jbd2_journal_flush+0x36f/0xcc0 [ 87.601614][ T4586] ? ext4_journalled_write_end+0xf30/0xf30 [ 87.610046][ T4586] down_read+0x44/0x2e0 [ 87.615422][ T4586] ? ext4_bmap+0x4d/0x3f0 [ 87.620920][ T4586] ? ext4_journalled_write_end+0xf30/0xf30 [ 87.629015][ T4586] ext4_bmap+0x4d/0x3f0 [ 87.634567][ T4586] ? ext4_journalled_write_end+0xf30/0xf30 [ 87.642252][ T4586] bmap+0xa2/0xd0 [ 87.646705][ T4586] jbd2_journal_flush+0x655/0xcc0 [ 87.653246][ T4586] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50 [ 87.663008][ T4586] ? bpf_lsm_capable+0x5/0x10 [ 87.669176][ T4586] ? security_capable+0x85/0xb0 [ 87.677681][ T4586] ext4_ioctl+0x3151/0x3870 [ 87.682993][ T4586] ? do_vfs_ioctl+0x1d16/0x1ef0 [ 87.688834][ T4586] ? ext4_fileattr_set+0x1750/0x1750 [ 87.696141][ T4586] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 87.704073][ T4586] ? rcu_lock_release+0x5/0x20 [ 87.711422][ T4586] ? __lock_acquire+0x7d10/0x7d10 [ 87.720224][ T4586] ? kfree+0xef/0x2a0 [ 87.724822][ T4586] ? tomoyo_path_number_perm+0x5b4/0x660 [ 87.731027][ T4586] ? verify_lock_unused+0x140/0x140 [ 87.736864][ T4586] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 87.742675][ T4586] ? bpf_lsm_file_ioctl+0x5/0x10 [ 87.748135][ T4586] ? security_file_ioctl+0x7c/0xa0 [ 87.753547][ T4586] ? ext4_fileattr_set+0x1750/0x1750 [ 87.759417][ T4586] __se_sys_ioctl+0xfa/0x170 [ 87.764325][ T4586] do_syscall_64+0x4c/0xa0 [ 87.768940][ T4586] ? clear_bhb_loop+0x30/0x80 [ 87.773828][ T4586] ? clear_bhb_loop+0x30/0x80 [ 87.780632][ T4586] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.789328][ T4586] RIP: 0033:0x7f807b6ef3b9 [ 87.794273][ T4586] 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 [ 87.820431][ T4586] RSP: 002b:00007f807aa7f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.829740][ T4586] RAX: ffffffffffffffda RBX: 00007f807b82cf80 RCX: 00007f807b6ef3b9 [ 87.839806][ T4586] RDX: 0000000020000000 RSI: 000000004004662b RDI: 0000000000000004 [ 87.851504][ T4586] RBP: 00007f807b7504c2 R08: 0000000000000000 R09: 0000000000000000 [ 87.862513][ T4586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.874266][ T4586] R13: 000000000000000b R14: 00007f807b82cf80 R15: 00007ffcd9809a08 [ 87.889397][ T4586] [ 88.945152][ T2302] Bluetooth: hci0: command 0x041b tx timeout 2026/04/17 18:57:34 executed programs: 27 [ 91.025089][ T2302] Bluetooth: hci0: command 0x040f tx timeout [ 93.115214][ T2302] Bluetooth: hci0: command 0x0419 tx timeout 2026/04/17 18:57:39 executed programs: 128