Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:46 parsed 1 programs 1970/01/01 00:00:46 executed programs: 0 [ 46.547004][ T4269] chnl_net:caif_netlink_parms(): no params data found [ 46.565866][ T4269] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.567067][ T4269] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.568579][ T4269] device bridge_slave_0 entered promiscuous mode [ 46.570573][ T4269] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.571806][ T4269] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.573350][ T4269] device bridge_slave_1 entered promiscuous mode [ 46.581580][ T4269] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.584207][ T4269] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.592243][ T4269] team0: Port device team_slave_0 added [ 46.594402][ T4269] team0: Port device team_slave_1 added [ 46.601845][ T4269] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.603281][ T4269] 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. [ 46.607257][ T4269] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.609622][ T4269] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.610673][ T4269] 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. [ 46.614962][ T4269] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.694521][ T4269] device hsr_slave_0 entered promiscuous mode [ 46.742906][ T4269] device hsr_slave_1 entered promiscuous mode [ 47.289276][ T4269] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.314069][ T4269] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.354035][ T4269] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.404662][ T4269] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.503050][ T4269] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.504218][ T4269] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.505417][ T4269] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.506589][ T4269] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.526854][ T4269] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.531206][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.534211][ T353] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.535639][ T353] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.537431][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.544397][ T4269] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.547855][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.549562][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.551021][ T1644] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.552033][ T1644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.556942][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.558749][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.560402][ T1644] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.561508][ T1644] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.568411][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.570277][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.571996][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.575533][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.580953][ T4269] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.584156][ T4269] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.586894][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.588505][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.590182][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.591679][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.595491][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.597255][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.598692][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.603489][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.649704][ T4269] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.654066][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.655370][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.661024][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.662853][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.670556][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.672172][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.674798][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.676686][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.679211][ T4269] device veth0_vlan entered promiscuous mode [ 47.683626][ T4269] device veth1_vlan entered promiscuous mode [ 47.692085][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.693777][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.695192][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.697250][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.699927][ T4269] device veth0_macvtap entered promiscuous mode [ 47.702244][ T4269] device veth1_macvtap entered promiscuous mode [ 47.708581][ T4269] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.709745][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.711285][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.713622][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.715405][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.718508][ T4269] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.720581][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.722133][ T353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.724499][ T4269] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.725779][ T4269] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.727139][ T4269] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.728481][ T4269] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.753852][ T4384] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 47.942984][ T4384] [ 47.944763][ T4384] ====================================================== [ 47.945728][ T4384] WARNING: possible circular locking dependency detected [ 47.946699][ T4384] syzkaller #0 Not tainted [ 47.947325][ T4384] ------------------------------------------------------ [ 47.948411][ T4384] syz-executor.0/4384 is trying to acquire lock: [ 47.949398][ T4384] ffff0000d4c6a170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x250/0x310 [ 47.950964][ T4384] [ 47.950964][ T4384] but task is already holding lock: [ 47.952068][ T4384] ffff0000d4c66bd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x150/0x640 [ 47.953933][ T4384] [ 47.953933][ T4384] which lock already depends on the new lock. [ 47.953933][ T4384] [ 47.955567][ T4384] [ 47.955567][ T4384] the existing dependency chain (in reverse order) is: [ 47.957028][ T4384] [ 47.957028][ T4384] -> #4 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 47.958395][ T4384] percpu_down_write+0xcc/0x39c [ 47.959310][ T4384] ext4_change_inode_journal_flag+0x150/0x640 [ 47.960376][ T4384] ext4_fileattr_set+0xb94/0x12e4 [ 47.961344][ T4384] vfs_fileattr_set+0x674/0x8fc [ 47.962195][ T4384] do_vfs_ioctl+0x1c18/0x2370 [ 47.962987][ T4384] __arm64_sys_ioctl+0xe4/0x1c8 [ 47.963823][ T4384] invoke_syscall+0x98/0x2b8 [ 47.964634][ T4384] el0_svc_common+0x138/0x258 [ 47.965450][ T4384] do_el0_svc+0x58/0x14c [ 47.966163][ T4384] el0_svc+0x78/0x1e0 [ 47.966800][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 47.967622][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 47.968301][ T4384] [ 47.968301][ T4384] -> #3 (mapping.invalidate_lock){++++}-{3:3}: [ 47.969549][ T4384] down_write+0xbc/0x12c [ 47.970220][ T4384] ext4_setattr+0xa34/0x142c [ 47.971078][ T4384] notify_change+0xa08/0xcd8 [ 47.971882][ T4384] do_truncate+0x178/0x1f0 [ 47.972744][ T4384] do_sys_ftruncate+0x284/0x31c [ 47.973673][ T4384] __arm64_sys_ftruncate+0x60/0x74 [ 47.974599][ T4384] invoke_syscall+0x98/0x2b8 [ 47.975399][ T4384] el0_svc_common+0x138/0x258 [ 47.976196][ T4384] do_el0_svc+0x58/0x14c [ 47.976994][ T4384] el0_svc+0x78/0x1e0 [ 47.977713][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 47.978607][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 47.979386][ T4384] [ 47.979386][ T4384] -> #2 (&sb->s_type->i_mutex_key#9){++++}-{3:3}: [ 47.980756][ T4384] down_read+0xc0/0x390 [ 47.981515][ T4384] ext4_bmap+0x54/0x368 [ 47.982311][ T4384] bmap+0xa8/0xe8 [ 47.982951][ T4384] jbd2_journal_flush+0x5e8/0x9f0 [ 47.983780][ T4384] ext4_ioctl+0x2cb4/0x3614 [ 47.984523][ T4384] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.985304][ T4384] invoke_syscall+0x98/0x2b8 [ 47.986130][ T4384] el0_svc_common+0x138/0x258 [ 47.986978][ T4384] do_el0_svc+0x58/0x14c [ 47.987742][ T4384] el0_svc+0x78/0x1e0 [ 47.988417][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 47.989252][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 47.990004][ T4384] [ 47.990004][ T4384] -> #1 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 47.991266][ T4384] __mutex_lock_common+0x194/0x1edc [ 47.992107][ T4384] mutex_lock_io_nested+0xcc/0x12c [ 47.992947][ T4384] jbd2_journal_flush+0x1e8/0x9f0 [ 47.993773][ T4384] ext4_ioctl+0x2cb4/0x3614 [ 47.994505][ T4384] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.995284][ T4384] invoke_syscall+0x98/0x2b8 [ 47.996030][ T4384] el0_svc_common+0x138/0x258 [ 47.996779][ T4384] do_el0_svc+0x58/0x14c [ 47.997435][ T4384] el0_svc+0x78/0x1e0 [ 47.998080][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 47.998831][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 47.999565][ T4384] [ 47.999565][ T4384] -> #0 (&journal->j_barrier){+.+.}-{3:3}: [ 48.000793][ T4384] __lock_acquire+0x2928/0x651c [ 48.001564][ T4384] lock_acquire+0x1f4/0x620 [ 48.002241][ T4384] __mutex_lock_common+0x194/0x1edc [ 48.003024][ T4384] mutex_lock_nested+0xac/0x11c [ 48.003880][ T4384] jbd2_journal_lock_updates+0x250/0x310 [ 48.004863][ T4384] ext4_change_inode_journal_flag+0x158/0x640 [ 48.005917][ T4384] ext4_fileattr_set+0xb94/0x12e4 [ 48.006805][ T4384] vfs_fileattr_set+0x674/0x8fc [ 48.007671][ T4384] do_vfs_ioctl+0x1c18/0x2370 [ 48.008533][ T4384] __arm64_sys_ioctl+0xe4/0x1c8 [ 48.009302][ T4384] invoke_syscall+0x98/0x2b8 [ 48.010122][ T4384] el0_svc_common+0x138/0x258 [ 48.010934][ T4384] do_el0_svc+0x58/0x14c [ 48.011664][ T4384] el0_svc+0x78/0x1e0 [ 48.012365][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 48.013247][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 48.014090][ T4384] [ 48.014090][ T4384] other info that might help us debug this: [ 48.014090][ T4384] [ 48.015710][ T4384] Chain exists of: [ 48.015710][ T4384] &journal->j_barrier --> mapping.invalidate_lock --> &sbi->s_writepages_rwsem [ 48.015710][ T4384] [ 48.018000][ T4384] Possible unsafe locking scenario: [ 48.018000][ T4384] [ 48.019199][ T4384] CPU0 CPU1 [ 48.019975][ T4384] ---- ---- [ 48.020714][ T4384] lock(&sbi->s_writepages_rwsem); [ 48.021495][ T4384] lock(mapping.invalidate_lock); [ 48.022695][ T4384] lock(&sbi->s_writepages_rwsem); [ 48.023931][ T4384] lock(&journal->j_barrier); [ 48.024661][ T4384] [ 48.024661][ T4384] *** DEADLOCK *** [ 48.024661][ T4384] [ 48.025997][ T4384] 4 locks held by syz-executor.0/4384: [ 48.026835][ T4384] #0: ffff0000d4c64460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 [ 48.028309][ T4384] #1: ffff0000e1c683f0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: vfs_fileattr_set+0x108/0x8fc [ 48.029886][ T4384] #2: ffff0000e1c68590 (mapping.invalidate_lock){++++}-{3:3}, at: ext4_change_inode_journal_flag+0xf0/0x640 [ 48.031731][ T4384] #3: ffff0000d4c66bd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x150/0x640 [ 48.033532][ T4384] [ 48.033532][ T4384] stack backtrace: [ 48.034475][ T4384] CPU: 1 PID: 4384 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.035745][ T4384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.037233][ T4384] Call trace: [ 48.037720][ T4384] dump_backtrace+0x0/0x43c [ 48.038451][ T4384] show_stack+0x2c/0x3c [ 48.039103][ T4384] __dump_stack+0x30/0x40 [ 48.039741][ T4384] dump_stack_lvl+0xf8/0x160 [ 48.040443][ T4384] dump_stack+0x1c/0x5c [ 48.041120][ T4384] print_circular_bug+0x148/0x1b0 [ 48.041862][ T4384] check_noncircular+0x240/0x2d4 [ 48.042600][ T4384] __lock_acquire+0x2928/0x651c [ 48.043356][ T4384] lock_acquire+0x1f4/0x620 [ 48.044009][ T4384] __mutex_lock_common+0x194/0x1edc [ 48.044768][ T4384] mutex_lock_nested+0xac/0x11c [ 48.045545][ T4384] jbd2_journal_lock_updates+0x250/0x310 [ 48.046464][ T4384] ext4_change_inode_journal_flag+0x158/0x640 [ 48.047392][ T4384] ext4_fileattr_set+0xb94/0x12e4 [ 48.048233][ T4384] vfs_fileattr_set+0x674/0x8fc [ 48.049079][ T4384] do_vfs_ioctl+0x1c18/0x2370 [ 48.049834][ T4384] __arm64_sys_ioctl+0xe4/0x1c8 [ 48.050669][ T4384] invoke_syscall+0x98/0x2b8 [ 48.051453][ T4384] el0_svc_common+0x138/0x258 [ 48.052214][ T4384] do_el0_svc+0x58/0x14c [ 48.052885][ T4384] el0_svc+0x78/0x1e0 [ 48.053528][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 48.054394][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 48.595217][ T4046] Bluetooth: hci0: command 0x0409 tx timeout [ 48.609814][ T4487] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 49.451958][ T4598] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 50.295367][ T4602] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 50.662645][ T4046] Bluetooth: hci0: command 0x041b tx timeout 1970/01/01 00:00:51 executed programs: 5 [ 51.139039][ T4605] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 51.981104][ T4608] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 52.742747][ T4046] Bluetooth: hci0: command 0x040f tx timeout [ 52.827561][ T4612] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 53.671823][ T4615] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 54.515313][ T4618] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 54.822691][ T1541] Bluetooth: hci0: command 0x0419 tx timeout [ 55.357709][ T4621] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow 1970/01/01 00:00:57 executed programs: 11 [ 56.199994][ T4624] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 57.042877][ T4627] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow