Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. 2025/08/27 21:33:36 ignoring optional flag "type"="gce" 2025/08/27 21:33:37 parsed 1 programs [ 86.800603][ T1325] cfg80211: failed to load regulatory.db 2025/08/27 21:33:39 executed programs: 0 [ 87.441776][ T4470] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 87.608458][ T4510] chnl_net:caif_netlink_parms(): no params data found [ 87.654229][ T4510] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.661356][ T4510] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.669252][ T4510] device bridge_slave_0 entered promiscuous mode [ 87.677332][ T4510] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.684684][ T4510] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.693201][ T4510] device bridge_slave_1 entered promiscuous mode [ 87.715601][ T4510] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.726617][ T4510] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.750960][ T4510] team0: Port device team_slave_0 added [ 87.759188][ T4510] team0: Port device team_slave_1 added [ 87.779236][ T4510] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.786333][ T4510] 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. [ 87.813434][ T4510] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.825604][ T4510] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.832827][ T4510] 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. [ 87.858968][ T4510] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.891483][ T4510] device hsr_slave_0 entered promiscuous mode [ 87.898733][ T4510] device hsr_slave_1 entered promiscuous mode [ 88.447606][ T4510] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.460805][ T4510] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.471003][ T4510] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.481495][ T4510] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.508381][ T4510] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.515523][ T4510] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.522964][ T4510] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.530558][ T4510] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.584319][ T4510] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.600261][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.610021][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.618826][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.629745][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 88.645165][ T4510] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.657472][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 88.668263][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.677558][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.684768][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.700653][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 88.709992][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.720204][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.727341][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.737671][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 88.753397][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 88.762895][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 88.775602][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.784784][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 88.798957][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 88.808542][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.824122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 88.834170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 88.846753][ T4510] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 88.860607][ T4510] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 88.869390][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 88.881193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.016400][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 89.025187][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 89.038740][ T4510] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.060882][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 89.071219][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.095755][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 89.104865][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.114672][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.124888][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.136177][ T4510] device veth0_vlan entered promiscuous mode [ 89.150429][ T4510] device veth1_vlan entered promiscuous mode [ 89.175171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 89.184926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 89.194838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 89.203867][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 89.215160][ T4510] device veth0_macvtap entered promiscuous mode [ 89.227059][ T4510] device veth1_macvtap entered promiscuous mode [ 89.245800][ T4510] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.253886][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 89.262914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 89.270845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 89.279800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 89.294475][ T4510] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.307891][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 89.317643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 89.329403][ T4510] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.338858][ T4510] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.348534][ T4510] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.357708][ T4510] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.513122][ T1325] Bluetooth: hci0: command 0x0409 tx timeout [ 89.690753][ T4599] [ 89.693125][ T4599] ====================================================== [ 89.700160][ T4599] WARNING: possible circular locking dependency detected [ 89.707299][ T4599] syzkaller #0 Not tainted [ 89.711915][ T4599] ------------------------------------------------------ [ 89.718947][ T4599] syz-executor.0/4599 is trying to acquire lock: [ 89.725288][ T4599] ffff88807f098170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2ba/0x380 [ 89.735789][ T4599] [ 89.735789][ T4599] but task is already holding lock: [ 89.743276][ T4599] ffff88807f096bd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x194/0x6b0 [ 89.754712][ T4599] [ 89.754712][ T4599] which lock already depends on the new lock. [ 89.754712][ T4599] [ 89.765250][ T4599] [ 89.765250][ T4599] the existing dependency chain (in reverse order) is: [ 89.774288][ T4599] [ 89.774288][ T4599] -> #4 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 89.782832][ T4599] percpu_down_write+0x52/0x2f0 [ 89.788329][ T4599] ext4_change_inode_journal_flag+0x194/0x6b0 [ 89.794952][ T4599] ext4_fileattr_set+0xddc/0x16a0 [ 89.800533][ T4599] vfs_fileattr_set+0x842/0xaf0 [ 89.805954][ T4599] do_vfs_ioctl+0x1767/0x1de0 [ 89.811184][ T4599] __se_sys_ioctl+0x83/0x170 [ 89.816328][ T4599] do_syscall_64+0x4c/0xa0 [ 89.821317][ T4599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.827768][ T4599] [ 89.827768][ T4599] -> #3 (mapping.invalidate_lock){++++}-{3:3}: [ 89.836144][ T4599] down_write+0x38/0x60 [ 89.840936][ T4599] ext4_setattr+0xdb6/0x19e0 [ 89.846070][ T4599] notify_change+0xbcd/0xee0 [ 89.851216][ T4599] do_truncate+0x197/0x220 [ 89.856274][ T4599] do_sys_ftruncate+0x31b/0x3d0 [ 89.861674][ T4599] do_syscall_64+0x4c/0xa0 [ 89.866647][ T4599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.873158][ T4599] [ 89.873158][ T4599] -> #2 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 89.881794][ T4599] down_read+0x44/0x2e0 [ 89.886546][ T4599] ext4_bmap+0x4d/0x3f0 [ 89.891247][ T4599] bmap+0xa2/0xd0 [ 89.895691][ T4599] jbd2_journal_flush+0x648/0xca0 [ 89.901365][ T4599] ext4_ioctl+0x2e93/0x3590 [ 89.906547][ T4599] __se_sys_ioctl+0xfa/0x170 [ 89.911698][ T4599] do_syscall_64+0x4c/0xa0 [ 89.916730][ T4599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.923178][ T4599] [ 89.923178][ T4599] -> #1 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 89.931982][ T4599] __mutex_lock_common+0x1eb/0x2390 [ 89.937730][ T4599] mutex_lock_io_nested+0x43/0x60 [ 89.943308][ T4599] jbd2_journal_flush+0x287/0xca0 [ 89.948889][ T4599] ext4_ioctl+0x2e93/0x3590 [ 89.954376][ T4599] __se_sys_ioctl+0xfa/0x170 [ 89.959524][ T4599] do_syscall_64+0x4c/0xa0 [ 89.964506][ T4599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.970952][ T4599] [ 89.970952][ T4599] -> #0 (&journal->j_barrier){+.+.}-{3:3}: [ 89.978974][ T4599] __lock_acquire+0x2c33/0x7c60 [ 89.984552][ T4599] lock_acquire+0x197/0x3f0 [ 89.989613][ T4599] __mutex_lock_common+0x1eb/0x2390 [ 89.995362][ T4599] mutex_lock_nested+0x17/0x20 [ 90.000684][ T4599] jbd2_journal_lock_updates+0x2ba/0x380 [ 90.006916][ T4599] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 90.013534][ T4599] ext4_fileattr_set+0xddc/0x16a0 [ 90.019111][ T4599] vfs_fileattr_set+0x842/0xaf0 [ 90.024512][ T4599] do_vfs_ioctl+0x1767/0x1de0 [ 90.029741][ T4599] __se_sys_ioctl+0x83/0x170 [ 90.034885][ T4599] do_syscall_64+0x4c/0xa0 [ 90.039945][ T4599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.046564][ T4599] [ 90.046564][ T4599] other info that might help us debug this: [ 90.046564][ T4599] [ 90.056807][ T4599] Chain exists of: [ 90.056807][ T4599] &journal->j_barrier --> mapping.invalidate_lock --> &sbi->s_writepages_rwsem [ 90.056807][ T4599] [ 90.071784][ T4599] Possible unsafe locking scenario: [ 90.071784][ T4599] [ 90.079256][ T4599] CPU0 CPU1 [ 90.084722][ T4599] ---- ---- [ 90.090134][ T4599] lock(&sbi->s_writepages_rwsem); [ 90.095356][ T4599] lock(mapping.invalidate_lock); [ 90.103013][ T4599] lock(&sbi->s_writepages_rwsem); [ 90.110756][ T4599] lock(&journal->j_barrier); [ 90.115548][ T4599] [ 90.115548][ T4599] *** DEADLOCK *** [ 90.115548][ T4599] [ 90.123714][ T4599] 4 locks held by syz-executor.0/4599: [ 90.129185][ T4599] #0: ffff88807f094460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write_file+0x5c/0x200 [ 90.138890][ T4599] #1: ffff8880704cdda8 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: vfs_fileattr_set+0x14c/0xaf0 [ 90.149728][ T4599] #2: ffff8880704cdf48 (mapping.invalidate_lock){++++}-{3:3}, at: ext4_change_inode_journal_flag+0x116/0x6b0 [ 90.161437][ T4599] #3: ffff88807f096bd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x194/0x6b0 [ 90.173233][ T4599] [ 90.173233][ T4599] stack backtrace: [ 90.179331][ T4599] CPU: 1 PID: 4599 Comm: syz-executor.0 Not tainted syzkaller #0 [ 90.187286][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 90.197511][ T4599] Call Trace: [ 90.200836][ T4599] [ 90.203795][ T4599] dump_stack_lvl+0x168/0x230 [ 90.208503][ T4599] ? load_image+0x3b0/0x3b0 [ 90.213039][ T4599] ? show_regs_print_info+0x20/0x20 [ 90.218268][ T4599] ? print_circular_bug+0x12b/0x1a0 [ 90.223496][ T4599] check_noncircular+0x274/0x310 [ 90.228460][ T4599] ? add_chain_block+0x940/0x940 [ 90.233439][ T4599] ? lockdep_lock+0xdc/0x1e0 [ 90.238057][ T4599] ? mark_lock+0x94/0x320 [ 90.242416][ T4599] ? mark_lock+0x94/0x320 [ 90.246776][ T4599] ? mark_lock+0x94/0x320 [ 90.251143][ T4599] __lock_acquire+0x2c33/0x7c60 [ 90.256035][ T4599] ? verify_lock_unused+0x140/0x140 [ 90.261256][ T4599] ? verify_lock_unused+0x140/0x140 [ 90.266488][ T4599] ? verify_lock_unused+0x140/0x140 [ 90.271723][ T4599] ? lockdep_unlock+0x134/0x2d0 [ 90.276609][ T4599] ? mark_lock+0x94/0x320 [ 90.281026][ T4599] ? __lock_acquire+0x289d/0x7c60 [ 90.286132][ T4599] lock_acquire+0x197/0x3f0 [ 90.290667][ T4599] ? jbd2_journal_lock_updates+0x2ba/0x380 [ 90.296513][ T4599] ? __might_sleep+0xf0/0xf0 [ 90.301288][ T4599] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 90.307313][ T4599] ? read_lock_is_recursive+0x10/0x10 [ 90.312729][ T4599] ? lock_chain_count+0x20/0x20 [ 90.317716][ T4599] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 90.323120][ T4599] ? lockdep_hardirqs_off+0x70/0x100 [ 90.328563][ T4599] ? jbd2_journal_lock_updates+0x2ba/0x380 [ 90.334408][ T4599] __mutex_lock_common+0x1eb/0x2390 [ 90.339633][ T4599] ? jbd2_journal_lock_updates+0x2ba/0x380 [ 90.345592][ T4599] ? jbd2_journal_lock_updates+0x2a9/0x380 [ 90.351427][ T4599] ? mutex_lock_io_nested+0x60/0x60 [ 90.356658][ T4599] ? init_wait_entry+0xd0/0xd0 [ 90.361462][ T4599] ? do_raw_read_unlock+0x70/0x70 [ 90.366512][ T4599] ? rcu_sync_func+0xa9/0x210 [ 90.371311][ T4599] mutex_lock_nested+0x17/0x20 [ 90.376139][ T4599] jbd2_journal_lock_updates+0x2ba/0x380 [ 90.381812][ T4599] ? jbd2_journal_wait_updates+0x260/0x260 [ 90.387642][ T4599] ? preempt_count_add+0x8d/0x190 [ 90.392712][ T4599] ? rwsem_write_trylock+0x12f/0x1b0 [ 90.398025][ T4599] ? cpumask_next+0xb3/0xd0 [ 90.402558][ T4599] ? percpu_down_write+0x20d/0x2f0 [ 90.407708][ T4599] ext4_change_inode_journal_flag+0x19c/0x6b0 [ 90.413810][ T4599] ext4_fileattr_set+0xddc/0x16a0 [ 90.418863][ T4599] ? verify_lock_unused+0x140/0x140 [ 90.424091][ T4599] ? ext4_fileattr_get+0x200/0x200 [ 90.429243][ T4599] ? __might_sleep+0xf0/0xf0 [ 90.433851][ T4599] ? preempt_count_add+0x8d/0x190 [ 90.438905][ T4599] ? rwsem_write_trylock+0x12f/0x1b0 [ 90.444227][ T4599] ? clear_nonspinnable+0x60/0x60 [ 90.449281][ T4599] ? memset+0x1e/0x40 [ 90.453427][ T4599] ? fileattr_fill_flags+0x1cc/0x300 [ 90.458746][ T4599] ? fscrypt_prepare_setflags+0x5e/0x210 [ 90.464421][ T4599] vfs_fileattr_set+0x842/0xaf0 [ 90.469310][ T4599] ? copy_fsxattr_to_user+0x220/0x220 [ 90.475005][ T4599] ? sb_start_write+0x112/0x1c0 [ 90.479892][ T4599] do_vfs_ioctl+0x1767/0x1de0 [ 90.484599][ T4599] ? __ia32_compat_sys_ioctl+0x850/0x850 [ 90.490264][ T4599] ? rcu_lock_release+0x5/0x20 [ 90.495057][ T4599] ? __lock_acquire+0x7c60/0x7c60 [ 90.500198][ T4599] ? kfree+0xef/0x2a0 [ 90.504212][ T4599] ? tomoyo_path_number_perm+0x4d4/0x5d0 [ 90.509889][ T4599] ? verify_lock_unused+0x140/0x140 [ 90.515125][ T4599] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 90.520640][ T4599] ? bpf_lsm_file_ioctl+0x5/0x10 [ 90.525612][ T4599] ? security_file_ioctl+0x7c/0xa0 [ 90.530800][ T4599] __se_sys_ioctl+0x83/0x170 [ 90.535425][ T4599] do_syscall_64+0x4c/0xa0 [ 90.539960][ T4599] ? clear_bhb_loop+0x30/0x80 [ 90.544664][ T4599] ? clear_bhb_loop+0x30/0x80 [ 90.549381][ T4599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.555423][ T4599] RIP: 0033:0x7fb37a85dae9 [ 90.559953][ T4599] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 90.579698][ T4599] RSP: 002b:00007fb379bdf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.588242][ T4599] RAX: ffffffffffffffda RBX: 00007fb37a97cf80 RCX: 00007fb37a85dae9 [ 90.596244][ T4599] RDX: 0000000020000180 RSI: 0000000040086602 RDI: 0000000000000004 [ 90.604253][ T4599] RBP: 00007fb37a8a947a R08: 0000000000000000 R09: 0000000000000000 [ 90.612258][ T4599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 90.620253][ T4599] R13: 000000000000000b R14: 00007fb37a97cf80 R15: 00007ffc08773e18 [ 90.628389][ T4599] [ 91.592576][ T21] Bluetooth: hci0: command 0x041b tx timeout 2025/08/27 21:33:44 executed programs: 29 [ 93.672051][ T1325] Bluetooth: hci0: command 0x040f tx timeout [ 95.752067][ T1324] Bluetooth: hci0: command 0x0419 tx timeout 2025/08/27 21:33:49 executed programs: 121