Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:47 parsed 1 programs 1970/01/01 00:00:47 executed programs: 0 [ 47.162439][ T4308] chnl_net:caif_netlink_parms(): no params data found [ 47.180858][ T4308] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.181926][ T4308] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.183318][ T4308] device bridge_slave_0 entered promiscuous mode [ 47.185481][ T4308] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.186513][ T4308] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.187834][ T4308] device bridge_slave_1 entered promiscuous mode [ 47.195929][ T4308] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.198151][ T4308] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.206479][ T4308] team0: Port device team_slave_0 added [ 47.208201][ T4308] team0: Port device team_slave_1 added [ 47.214950][ T4308] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.216015][ T4308] 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. [ 47.220028][ T4308] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.222480][ T4308] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.223531][ T4308] 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. [ 47.227215][ T4308] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.260425][ T4308] device hsr_slave_0 entered promiscuous mode [ 47.319507][ T4308] device hsr_slave_1 entered promiscuous mode [ 47.894599][ T4308] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.940290][ T4308] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.000972][ T4308] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.040356][ T4308] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.108557][ T4308] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.109710][ T4308] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.110803][ T4308] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.111857][ T4308] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.130862][ T4308] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.137419][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.139122][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.141314][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.142917][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.150933][ T4308] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.154343][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.155902][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.157578][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.158595][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.164980][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.166468][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.168130][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.169356][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.171705][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.173428][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.180385][ T4308] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.182049][ T4308] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.184423][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.186471][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.188084][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.190800][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.192333][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.193808][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.195377][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.196829][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.200224][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.201721][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.241972][ T4308] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.243674][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.244978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.254520][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.256149][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.258553][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.260725][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.262723][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.264649][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.266818][ T4308] device veth0_vlan entered promiscuous mode [ 48.270442][ T4308] device veth1_vlan entered promiscuous mode [ 48.276989][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.278474][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.280912][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.282673][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.285295][ T4308] device veth0_macvtap entered promiscuous mode [ 48.287613][ T4308] device veth1_macvtap entered promiscuous mode [ 48.293430][ T4308] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.294665][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.296039][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.297396][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.298746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.303489][ T4308] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.305450][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.306871][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.308760][ T4308] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.311213][ T4308] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.312568][ T4308] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.313863][ T4308] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.345509][ T4452] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 48.529516][ T4452] [ 48.531333][ T4452] ====================================================== [ 48.532363][ T4452] WARNING: possible circular locking dependency detected [ 48.533459][ T4452] syzkaller #0 Not tainted [ 48.534085][ T4452] ------------------------------------------------------ [ 48.535086][ T4452] syz-executor.0/4452 is trying to acquire lock: [ 48.536022][ T4452] ffff0000d501e170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x250/0x310 [ 48.537560][ T4452] [ 48.537560][ T4452] but task is already holding lock: [ 48.538613][ T4452] ffff0000d501abd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x150/0x640 [ 48.540333][ T4452] [ 48.540333][ T4452] which lock already depends on the new lock. [ 48.540333][ T4452] [ 48.541863][ T4452] [ 48.541863][ T4452] the existing dependency chain (in reverse order) is: [ 48.543091][ T4452] [ 48.543091][ T4452] -> #4 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 48.544322][ T4452] percpu_down_write+0xcc/0x39c [ 48.545102][ T4452] ext4_change_inode_journal_flag+0x150/0x640 [ 48.546137][ T4452] ext4_fileattr_set+0xb94/0x12e4 [ 48.546882][ T4452] vfs_fileattr_set+0x674/0x8fc [ 48.547689][ T4452] do_vfs_ioctl+0x1c18/0x2370 [ 48.548458][ T4452] __arm64_sys_ioctl+0xe4/0x1c8 [ 48.549261][ T4452] invoke_syscall+0x98/0x2b8 [ 48.550024][ T4452] el0_svc_common+0x138/0x258 [ 48.550776][ T4452] do_el0_svc+0x58/0x14c [ 48.551519][ T4452] el0_svc+0x78/0x1e0 [ 48.552186][ T4452] el0t_64_sync_handler+0xcc/0xe4 [ 48.552963][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 48.553658][ T4452] [ 48.553658][ T4452] -> #3 (mapping.invalidate_lock){++++}-{3:3}: [ 48.554800][ T4452] down_write+0xbc/0x12c [ 48.555495][ T4452] ext4_setattr+0xa34/0x142c [ 48.556214][ T4452] notify_change+0xa08/0xcd8 [ 48.556916][ T4452] do_truncate+0x178/0x1f0 [ 48.557586][ T4452] do_sys_ftruncate+0x284/0x31c [ 48.558323][ T4452] __arm64_sys_ftruncate+0x60/0x74 [ 48.559111][ T4452] invoke_syscall+0x98/0x2b8 [ 48.559842][ T4452] el0_svc_common+0x138/0x258 [ 48.560591][ T4452] do_el0_svc+0x58/0x14c [ 48.561300][ T4452] el0_svc+0x78/0x1e0 [ 48.561983][ T4452] el0t_64_sync_handler+0xcc/0xe4 [ 48.562777][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 48.563532][ T4452] [ 48.563532][ T4452] -> #2 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 48.564796][ T4452] down_read+0xc0/0x390 [ 48.565483][ T4452] ext4_bmap+0x54/0x368 [ 48.566206][ T4452] bmap+0xa8/0xe8 [ 48.566795][ T4452] jbd2_journal_flush+0x5e8/0x9f0 [ 48.567521][ T4452] ext4_ioctl+0x2cb4/0x3614 [ 48.568262][ T4452] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.569024][ T4452] invoke_syscall+0x98/0x2b8 [ 48.569788][ T4452] el0_svc_common+0x138/0x258 [ 48.570570][ T4452] do_el0_svc+0x58/0x14c [ 48.571275][ T4452] el0_svc+0x78/0x1e0 [ 48.571930][ T4452] el0t_64_sync_handler+0xcc/0xe4 [ 48.572717][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 48.573478][ T4452] [ 48.573478][ T4452] -> #1 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 48.574834][ T4452] __mutex_lock_common+0x194/0x1edc [ 48.575625][ T4452] mutex_lock_io_nested+0xcc/0x12c [ 48.576543][ T4452] jbd2_journal_flush+0x1e8/0x9f0 [ 48.577452][ T4452] ext4_ioctl+0x2cb4/0x3614 [ 48.578197][ T4452] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.579060][ T4452] invoke_syscall+0x98/0x2b8 [ 48.579829][ T4452] el0_svc_common+0x138/0x258 [ 48.580588][ T4452] do_el0_svc+0x58/0x14c [ 48.581358][ T4452] el0_svc+0x78/0x1e0 [ 48.582096][ T4452] el0t_64_sync_handler+0xcc/0xe4 [ 48.582974][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 48.583764][ T4452] [ 48.583764][ T4452] -> #0 (&journal->j_barrier){+.+.}-{3:3}: [ 48.584963][ T4452] __lock_acquire+0x2928/0x651c [ 48.585769][ T4452] lock_acquire+0x1f4/0x620 [ 48.586546][ T4452] __mutex_lock_common+0x194/0x1edc [ 48.587357][ T4452] mutex_lock_nested+0xac/0x11c [ 48.588144][ T4452] jbd2_journal_lock_updates+0x250/0x310 [ 48.589004][ T4452] ext4_change_inode_journal_flag+0x158/0x640 [ 48.589905][ T4452] ext4_fileattr_set+0xb94/0x12e4 [ 48.590726][ T4452] vfs_fileattr_set+0x674/0x8fc [ 48.591440][ T4452] do_vfs_ioctl+0x1c18/0x2370 [ 48.592155][ T4452] __arm64_sys_ioctl+0xe4/0x1c8 [ 48.592868][ T4452] invoke_syscall+0x98/0x2b8 [ 48.593517][ T4452] el0_svc_common+0x138/0x258 [ 48.594252][ T4452] do_el0_svc+0x58/0x14c [ 48.594877][ T4452] el0_svc+0x78/0x1e0 [ 48.595515][ T4452] el0t_64_sync_handler+0xcc/0xe4 [ 48.596327][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 48.597080][ T4452] [ 48.597080][ T4452] other info that might help us debug this: [ 48.597080][ T4452] [ 48.598458][ T4452] Chain exists of: [ 48.598458][ T4452] &journal->j_barrier --> mapping.invalidate_lock --> &sbi->s_writepages_rwsem [ 48.598458][ T4452] [ 48.600685][ T4452] Possible unsafe locking scenario: [ 48.600685][ T4452] [ 48.601719][ T4452] CPU0 CPU1 [ 48.602533][ T4452] ---- ---- [ 48.603292][ T4452] lock(&sbi->s_writepages_rwsem); [ 48.604044][ T4452] lock(mapping.invalidate_lock); [ 48.605206][ T4452] lock(&sbi->s_writepages_rwsem); [ 48.606403][ T4452] lock(&journal->j_barrier); [ 48.607169][ T4452] [ 48.607169][ T4452] *** DEADLOCK *** [ 48.607169][ T4452] [ 48.608321][ T4452] 4 locks held by syz-executor.0/4452: [ 48.609117][ T4452] #0: ffff0000d5018460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 [ 48.610584][ T4452] #1: ffff0000dcfdf198 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: vfs_fileattr_set+0x108/0x8fc [ 48.612189][ T4452] #2: ffff0000dcfdf338 (mapping.invalidate_lock){++++}-{3:3}, at: ext4_change_inode_journal_flag+0xf0/0x640 [ 48.613936][ T4452] #3: ffff0000d501abd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x150/0x640 [ 48.615677][ T4452] [ 48.615677][ T4452] stack backtrace: [ 48.616507][ T4452] CPU: 1 PID: 4452 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.617617][ T4452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.618982][ T4452] Call trace: [ 48.619434][ T4452] dump_backtrace+0x0/0x43c [ 48.620028][ T4452] show_stack+0x2c/0x3c [ 48.620586][ T4452] __dump_stack+0x30/0x40 [ 48.621258][ T4452] dump_stack_lvl+0xf8/0x160 [ 48.621937][ T4452] dump_stack+0x1c/0x5c [ 48.622576][ T4452] print_circular_bug+0x148/0x1b0 [ 48.623302][ T4452] check_noncircular+0x240/0x2d4 [ 48.624010][ T4452] __lock_acquire+0x2928/0x651c [ 48.624759][ T4452] lock_acquire+0x1f4/0x620 [ 48.625426][ T4452] __mutex_lock_common+0x194/0x1edc [ 48.626162][ T4452] mutex_lock_nested+0xac/0x11c [ 48.626902][ T4452] jbd2_journal_lock_updates+0x250/0x310 [ 48.627745][ T4452] ext4_change_inode_journal_flag+0x158/0x640 [ 48.628585][ T4452] ext4_fileattr_set+0xb94/0x12e4 [ 48.629309][ T4452] vfs_fileattr_set+0x674/0x8fc [ 48.629962][ T4452] do_vfs_ioctl+0x1c18/0x2370 [ 48.630618][ T4452] __arm64_sys_ioctl+0xe4/0x1c8 [ 48.631331][ T4452] invoke_syscall+0x98/0x2b8 [ 48.632080][ T4452] el0_svc_common+0x138/0x258 [ 48.632769][ T4452] do_el0_svc+0x58/0x14c [ 48.633410][ T4452] el0_svc+0x78/0x1e0 [ 48.633999][ T4452] el0t_64_sync_handler+0xcc/0xe4 [ 48.634698][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 49.129498][ T4094] Bluetooth: hci0: command 0x0409 tx timeout [ 49.186776][ T4562] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 50.028759][ T4678] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 50.869661][ T4681] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 51.199178][ T25] Bluetooth: hci0: command 0x041b tx timeout 1970/01/01 00:00:52 executed programs: 5 [ 51.710139][ T4684] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 52.552400][ T4687] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 53.279178][ T4067] Bluetooth: hci0: command 0x040f tx timeout [ 53.394047][ T4690] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 54.235838][ T4693] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 55.077316][ T4696] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 55.359165][ T4094] Bluetooth: hci0: command 0x0419 tx timeout [ 55.918867][ T4699] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow 1970/01/01 00:00:57 executed programs: 11 [ 56.762701][ T4702] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 57.607032][ T4705] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow