[ 34.017518][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.097478][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.127335][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.275113][ T12] bridge_slave_1: left allmulticast mode [ 34.275130][ T12] bridge_slave_1: left promiscuous mode [ 34.275201][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.282698][ T12] bridge_slave_0: left allmulticast mode [ 34.282711][ T12] bridge_slave_0: left promiscuous mode [ 34.282787][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.333822][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 34.340485][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 34.384751][ T12] bond0 (unregistering): Released all slaves [ 34.493825][ T4431] 8021q: adding VLAN 0 to HW filter on device eth0 [ 34.628652][ T12] hsr_slave_0: left promiscuous mode [ 34.628889][ T12] hsr_slave_1: left promiscuous mode [ 34.629135][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 34.629145][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 34.629528][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 34.629537][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 34.631955][ T12] veth1_macvtap: left promiscuous mode [ 34.631977][ T12] veth0_macvtap: left promiscuous mode [ 34.632017][ T12] veth1_vlan: left promiscuous mode [ 34.632046][ T12] veth0_vlan: left promiscuous mode [ 34.715863][ T12] team0 (unregistering): Port device team_slave_1 removed [ 34.719180][ T12] team0 (unregistering): Port device team_slave_0 removed [ 34.767145][ T4431] 8021q: adding VLAN 0 to HW filter on device eth1 [ 34.885491][ T4431] 8021q: adding VLAN 0 to HW filter on device eth2 [ 34.987795][ T4431] 8021q: adding VLAN 0 to HW filter on device eth3 Warning: Permanently added '10.128.1.169' (ED25519) to the list of known hosts. 1970/01/01 00:00:38 parsed 1 programs [ 39.874307][ T5046] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 41.356294][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.356349][ T5065] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.356400][ T5065] bridge_slave_0: entered allmulticast mode [ 41.356809][ T5065] bridge_slave_0: entered promiscuous mode [ 41.363768][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.363820][ T5065] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.363863][ T5065] bridge_slave_1: entered allmulticast mode [ 41.365509][ T5065] bridge_slave_1: entered promiscuous mode [ 41.376265][ T5065] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.377636][ T5065] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.384856][ T5065] team0: Port device team_slave_0 added [ 41.385523][ T5065] team0: Port device team_slave_1 added [ 41.393760][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.393769][ T5065] 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 1532 would solve the problem. [ 41.393781][ T5065] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.395130][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.395138][ T5065] 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 1532 would solve the problem. [ 41.395155][ T5065] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.415529][ T5065] hsr_slave_0: entered promiscuous mode [ 41.415795][ T5065] hsr_slave_1: entered promiscuous mode [ 41.757560][ T5065] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.761831][ T5065] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 41.762151][ T5065] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.762982][ T5065] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 41.763390][ T5065] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.768498][ T5065] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 41.769900][ T5065] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.775378][ T5065] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 41.788852][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.788878][ T5065] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.788946][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.788983][ T5065] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.802269][ T5065] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.806175][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.806449][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.809630][ T5065] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.819236][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.819259][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.819641][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.819661][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.919977][ T5065] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.938388][ T5065] veth0_vlan: entered promiscuous mode [ 41.941003][ T5065] veth1_vlan: entered promiscuous mode [ 41.951755][ T5065] veth0_macvtap: entered promiscuous mode [ 41.953385][ T5065] veth1_macvtap: entered promiscuous mode [ 41.960306][ T5065] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.962933][ T5065] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.994154][ T438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.994181][ T438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.994199][ T438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.994214][ T438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.046841][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.047323][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.047562][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.048017][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.048314][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.072069][ T438] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.109440][ T438] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.160472][ T438] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.232221][ T438] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.886835][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.886847][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.893220][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.893230][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:42 executed programs: 0 [ 42.946983][ T4763] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.947368][ T4763] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.947543][ T4763] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.947879][ T4763] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.948093][ T4763] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.080875][ T5261] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.080900][ T5261] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.080953][ T5261] bridge_slave_0: entered allmulticast mode [ 43.081368][ T5261] bridge_slave_0: entered promiscuous mode [ 43.082090][ T5261] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.082114][ T5261] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.082201][ T5261] bridge_slave_1: entered allmulticast mode [ 43.082596][ T5261] bridge_slave_1: entered promiscuous mode [ 43.095490][ T5261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.096419][ T5261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.103302][ T5261] team0: Port device team_slave_0 added [ 43.104035][ T5261] team0: Port device team_slave_1 added [ 43.118754][ T5261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.118764][ T5261] 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 1532 would solve the problem. [ 43.118777][ T5261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.119320][ T5261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.119328][ T5261] 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 1532 would solve the problem. [ 43.119342][ T5261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.147851][ T5261] hsr_slave_0: entered promiscuous mode [ 43.148138][ T5261] hsr_slave_1: entered promiscuous mode [ 43.148331][ T5261] debugfs: 'hsr0' already exists in 'hsr' [ 43.148341][ T5261] Cannot create hsr debugfs directory [ 44.974326][ T4763] Bluetooth: hci0: command tx timeout [ 45.101819][ T438] bridge_slave_1: left allmulticast mode [ 45.101838][ T438] bridge_slave_1: left promiscuous mode [ 45.101924][ T438] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.106957][ T438] bridge_slave_0: left allmulticast mode [ 45.106972][ T438] bridge_slave_0: left promiscuous mode [ 45.107041][ T438] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.161276][ T438] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 45.195211][ T438] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 45.204986][ T438] bond0 (unregistering): Released all slaves [ 45.267706][ T438] hsr_slave_0: left promiscuous mode [ 45.268547][ T438] hsr_slave_1: left promiscuous mode [ 45.268840][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.268850][ T438] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.269174][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.269183][ T438] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.272319][ T438] veth1_macvtap: left promiscuous mode [ 45.272348][ T438] veth0_macvtap: left promiscuous mode [ 45.272389][ T438] veth1_vlan: left promiscuous mode [ 45.272435][ T438] veth0_vlan: left promiscuous mode [ 45.365299][ T438] team0 (unregistering): Port device team_slave_1 removed [ 45.368696][ T438] team0 (unregistering): Port device team_slave_0 removed [ 45.411184][ T4431] 8021q: adding VLAN 0 to HW filter on device eth0 [ 45.642594][ T5261] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.643626][ T5261] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 45.643988][ T5261] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.646714][ T5261] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 45.646990][ T5261] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.649104][ T5261] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 45.649373][ T5261] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.650601][ T5261] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 45.834180][ T5261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.837787][ T5261] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.839378][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.839403][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.841408][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.841432][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.058111][ T5261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.084025][ T5261] veth0_vlan: entered promiscuous mode [ 46.089108][ T5261] veth1_vlan: entered promiscuous mode [ 46.095467][ T5261] veth0_macvtap: entered promiscuous mode [ 46.096759][ T5261] veth1_macvtap: entered promiscuous mode [ 46.100807][ T5261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.103077][ T5261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.107263][ T60] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.107329][ T60] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.107349][ T60] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.107363][ T60] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.131221][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.131232][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.145124][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.145137][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.203969][ T5350] loop0: detected capacity change from 0 to 1024 [ 46.226798][ T5350] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.229009][ T5350] ======================================================= [ 46.229009][ T5350] WARNING: The mand mount option has been deprecated and [ 46.229009][ T5350] and is ignored by this kernel. Remove the mand [ 46.229009][ T5350] option from the mount to silence this warning. [ 46.229009][ T5350] ======================================================= [ 48.016050][ T5261] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1485: refuse to create EA inode when umounting [ 48.016151][ T5261] ------------[ cut here ]------------ [ 48.016154][ T5261] WARNING: fs/ext4/xattr.c:1486 at ext4_xattr_inode_lookup_create+0x6fc/0x1284, CPU#1: syz-executor/5261 [ 48.021504][ T5261] Modules linked in: [ 48.022305][ T5261] CPU: 1 UID: 0 PID: 5261 Comm: syz-executor Not tainted syzkaller #0 PREEMPT [ 48.024266][ T5261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 48.026515][ T5261] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.028311][ T5261] pc : ext4_xattr_inode_lookup_create+0x6fc/0x1284 [ 48.029818][ T5261] lr : ext4_xattr_inode_lookup_create+0x6f8/0x1284 [ 48.031320][ T5261] sp : ffff8000979f6dc0 [ 48.032261][ T5261] x29: ffff8000979f6f00 x28: dfff800000000000 x27: ffff0000e0dad4d0 [ 48.034083][ T5261] x26: ffff0000e0dad4d0 x25: ffff0000e0f8f838 x24: ffff0000e0dad4d0 [ 48.035915][ T5261] x23: ffff0000dbc8e000 x22: ffff0000e0f8f810 x21: 0000000000000f8d [ 48.037718][ T5261] x20: ffff700012f3edc8 x19: ffff0000dbc8e078 x18: ffff8001237d4000 [ 48.039494][ T5261] x17: 6572203a35383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 48.041309][ T5261] x14: 00000000000007f9 x13: 0000000000000001 x12: 0000000000000003 [ 48.043013][ T5261] x11: 0000000000000000 x10: 0000000000000001 x9 : f6892378f255a900 [ 48.044719][ T5261] x8 : 00000000000000f8 x7 : ffff800080484084 x6 : 0000000000000000 [ 48.046451][ T5261] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008048eb84 [ 48.048165][ T5261] x2 : 0000000100000000 x1 : ffff0000cb59bb00 x0 : 0000000000000066 [ 48.049848][ T5261] Call trace: [ 48.050545][ T5261] ext4_xattr_inode_lookup_create+0x6fc/0x1284 (P) [ 48.051894][ T5261] ext4_xattr_block_set+0x1d4/0x2218 [ 48.053018][ T5261] ext4_expand_extra_isize_ea+0xb00/0x127c [ 48.054240][ T5261] __ext4_expand_extra_isize+0x2a4/0x378 [ 48.055344][ T5261] __ext4_mark_inode_dirty+0x3e8/0x78c [ 48.056490][ T5261] ext4_dirty_inode+0xd8/0x114 [ 48.057465][ T5261] __mark_inode_dirty+0x378/0x1634 [ 48.058559][ T5261] sync_lazytime+0x1a8/0x57c [ 48.059570][ T5261] iput+0x1ec/0xc28 [ 48.060388][ T5261] dentry_unlink_inode+0x324/0x3d0 [ 48.061442][ T5261] dentry_kill+0x1dc/0x7b0 [ 48.062437][ T5261] shrink_dentry_list+0x22c/0x310 [ 48.063574][ T5261] shrink_dcache_tree+0x13c/0x360 [ 48.064673][ T5261] do_one_tree+0x30/0x12c [ 48.065503][ T5261] shrink_dcache_for_umount+0x108/0x468 [ 48.066625][ T5261] generic_shutdown_super+0x74/0x2c0 [ 48.067773][ T5261] kill_block_super+0x48/0xa4 [ 48.068783][ T5261] ext4_kill_sb+0x68/0xa8 [ 48.069728][ T5261] deactivate_locked_super+0xcc/0x128 [ 48.070875][ T5261] deactivate_super+0xd4/0xf4 [ 48.071887][ T5261] cleanup_mnt+0x190/0x220 [ 48.072891][ T5261] __cleanup_mnt+0x20/0x30 [ 48.073934][ T5261] task_work_run+0x1cc/0x25c [ 48.075028][ T5261] do_exit+0x58c/0x1a74 [ 48.076013][ T5261] do_group_exit+0x198/0x238 [ 48.077101][ T5261] pid_child_should_wake+0x0/0x104 [ 48.078317][ T5261] invoke_syscall+0x98/0x244 [ 48.079407][ T5261] el0_svc_common+0xec/0x23c [ 48.080513][ T5261] do_el0_svc+0x4c/0x5c [ 48.081501][ T5261] el0_svc+0x60/0x1d8 [ 48.082433][ T5261] el0t_64_sync_handler+0x44/0x104 [ 48.083603][ T5261] el0t_64_sync+0x198/0x19c [ 48.084645][ T5261] irq event stamp: 168000 [ 48.085647][ T5261] hardirqs last enabled at (167999): [] vprintk_store+0x924/0xb94 [ 48.087783][ T5261] hardirqs last disabled at (168000): [] el1_brk64+0x20/0x54 [ 48.089757][ T5261] softirqs last enabled at (167994): [] kernel_neon_begin+0x294/0x400 [ 48.091954][ T5261] softirqs last disabled at (167992): [] kernel_neon_begin+0x11c/0x400 [ 48.094040][ T5261] ---[ end trace 0000000000000000 ]--- [ 48.096004][ T5261] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2863: Unable to expand inode 12. Delete some EAs or run e2fsck. [ 48.099444][ T5261] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.116269][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.116635][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.116876][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.117169][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.117421][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 48.121172][ T60] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:48 executed programs: 4 [ 48.249519][ T5355] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.249565][ T5355] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.249660][ T5355] bridge_slave_0: entered allmulticast mode [ 48.250045][ T5355] bridge_slave_0: entered promiscuous mode [ 48.251062][ T5355] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.251111][ T5355] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.251162][ T5355] bridge_slave_1: entered allmulticast mode [ 48.251542][ T5355] bridge_slave_1: entered promiscuous mode [ 48.263472][ T5355] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.266796][ T5355] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.273439][ T5355] team0: Port device team_slave_0 added [ 48.277480][ T5355] team0: Port device team_slave_1 added [ 48.283995][ T5355] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.284005][ T5355] 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 1532 would solve the problem. [ 48.284019][ T5355] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.285599][ T5355] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.285607][ T5355] 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 1532 would solve the problem. [ 48.285619][ T5355] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.304983][ T5355] hsr_slave_0: entered promiscuous mode [ 48.305259][ T5355] hsr_slave_1: entered promiscuous mode [ 48.349360][ T5355] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 48.350337][ T5355] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 48.350703][ T5355] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 48.351483][ T5355] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 48.351808][ T5355] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 48.352824][ T5355] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 48.353168][ T5355] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 48.353959][ T5355] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 48.377523][ T5355] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.380919][ T5355] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.382370][ T438] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.382393][ T438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.383852][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.383870][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.391941][ T5355] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.391953][ T5355] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.473762][ T5355] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.484849][ T5355] veth0_vlan: entered promiscuous mode [ 48.486765][ T5355] veth1_vlan: entered promiscuous mode [ 48.497109][ T5355] veth0_macvtap: entered promiscuous mode [ 48.498551][ T5355] veth1_macvtap: entered promiscuous mode [ 48.502316][ T5355] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.505842][ T5355] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.528251][ T438] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.528262][ T438] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.536012][ T438] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.536023][ T438] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.544230][ T13] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.544255][ T13] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.544270][ T13] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.544285][ T13] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.570869][ T5388] loop1: detected capacity change from 0 to 1024 [ 48.586083][ T5388] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.747761][ T60] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.826697][ T60] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.917749][ T60] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.023555][ T60] bridge_slave_1: left allmulticast mode [ 50.023571][ T60] bridge_slave_1: left promiscuous mode [ 50.023654][ T60] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.028976][ T60] bridge_slave_0: left allmulticast mode [ 50.028988][ T60] bridge_slave_0: left promiscuous mode [ 50.029054][ T60] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.081397][ T60] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.115162][ T60] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.154813][ T60] bond0 (unregistering): Released all slaves [ 50.296330][ T4431] 8021q: adding VLAN 0 to HW filter on device eth0 [ 50.389954][ T60] hsr_slave_0: left promiscuous mode [ 50.390176][ T60] hsr_slave_1: left promiscuous mode [ 50.390412][ T60] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 50.390421][ T60] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 50.390685][ T60] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 50.390693][ T60] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 50.392910][ T60] veth1_macvtap: left promiscuous mode [ 50.392929][ T60] veth0_macvtap: left promiscuous mode [ 50.392968][ T60] veth1_vlan: left promiscuous mode [ 50.392999][ T60] veth0_vlan: left promiscuous mode [ 50.482289][ T60] team0 (unregistering): Port device team_slave_1 removed [ 50.488297][ T60] team0 (unregistering): Port device team_slave_0 removed [ 50.530193][ T4431] 8021q: adding VLAN 0 to HW filter on device eth1 [ 50.650786][ T4431] 8021q: adding VLAN 0 to HW filter on device eth3 [ 50.778017][ T4431] 8021q: adding VLAN 0 to HW filter on device eth2 [ 51.085177][ T5355] EXT4-fs warning (device loop1): ext4_xattr_inode_create:1485: refuse to create EA inode when umounting [ 51.085274][ T5355] ------------[ cut here ]------------ [ 51.085279][ T5355] WARNING: fs/ext4/xattr.c:1486 at ext4_xattr_inode_lookup_create+0x6fc/0x1284, CPU#1: syz-executor/5355 [ 51.091303][ T5355] Modules linked in: [ 51.092172][ T5355] CPU: 1 UID: 0 PID: 5355 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.094404][ T5355] Tainted: [W]=WARN [ 51.095255][ T5355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 51.097451][ T5355] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.099163][ T5355] pc : ext4_xattr_inode_lookup_create+0x6fc/0x1284 [ 51.100608][ T5355] lr : ext4_xattr_inode_lookup_create+0x6f8/0x1284 [ 51.102091][ T5355] sp : ffff800094f86dc0 [ 51.102879][ T5355] x29: ffff800094f86f00 x28: dfff800000000000 x27: ffff0000c15a50b0 [ 51.104602][ T5355] x26: ffff0000c15a50b0 x25: ffff0000e0f8b8c8 x24: ffff0000c15a50b0 [ 51.106324][ T5355] x23: ffff0000d6d90000 x22: ffff0000e0f8b8a0 x21: 0000000000000f8d [ 51.107942][ T5355] x20: ffff7000129f0dc8 x19: ffff0000d6d90078 x18: ffff8001237d4000 [ 51.109573][ T5355] x17: 6572203a35383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.111279][ T5355] x14: 0000000000000929 x13: 0000000000000001 x12: 0000000000000003 [ 51.113041][ T5355] x11: 0000000000000000 x10: 0000000000000001 x9 : 3f61089c8e126800 [ 51.114815][ T5355] x8 : 00000000000000f8 x7 : ffff800080484084 x6 : 0000000000000000 [ 51.116601][ T5355] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008048eb84 [ 51.118369][ T5355] x2 : 0000000100000000 x1 : ffff0000c5821d80 x0 : 0000000000000066 [ 51.120139][ T5355] Call trace: [ 51.120860][ T5355] ext4_xattr_inode_lookup_create+0x6fc/0x1284 (P) [ 51.122316][ T5355] ext4_xattr_block_set+0x1d4/0x2218 [ 51.123497][ T5355] ext4_expand_extra_isize_ea+0xb00/0x127c [ 51.124787][ T5355] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.125925][ T5355] __ext4_mark_inode_dirty+0x3e8/0x78c [ 51.127089][ T5355] ext4_dirty_inode+0xd8/0x114 [ 51.128043][ T5355] __mark_inode_dirty+0x378/0x1634 [ 51.129143][ T5355] sync_lazytime+0x1a8/0x57c [ 51.130078][ T5355] iput+0x1ec/0xc28 [ 51.130860][ T5355] dentry_unlink_inode+0x324/0x3d0 [ 51.131928][ T5355] dentry_kill+0x1dc/0x7b0 [ 51.132870][ T5355] shrink_dentry_list+0x22c/0x310 [ 51.133895][ T5355] shrink_dcache_tree+0x13c/0x360 [ 51.134966][ T5355] do_one_tree+0x30/0x12c [ 51.135916][ T5355] shrink_dcache_for_umount+0x108/0x468 [ 51.137139][ T5355] generic_shutdown_super+0x74/0x2c0 [ 51.138246][ T5355] kill_block_super+0x48/0xa4 [ 51.139255][ T5355] ext4_kill_sb+0x68/0xa8 [ 51.140164][ T5355] deactivate_locked_super+0xcc/0x128 [ 51.141318][ T5355] deactivate_super+0xd4/0xf4 [ 51.142274][ T5355] cleanup_mnt+0x190/0x220 [ 51.143175][ T5355] __cleanup_mnt+0x20/0x30 [ 51.144100][ T5355] task_work_run+0x1cc/0x25c [ 51.145054][ T5355] do_exit+0x58c/0x1a74 [ 51.145971][ T5355] do_group_exit+0x198/0x238 [ 51.146980][ T5355] pid_child_should_wake+0x0/0x104 [ 51.148064][ T5355] invoke_syscall+0x98/0x244 [ 51.149040][ T5355] el0_svc_common+0xec/0x23c [ 51.150016][ T5355] do_el0_svc+0x4c/0x5c [ 51.150861][ T5355] el0_svc+0x60/0x1d8 [ 51.151700][ T5355] el0t_64_sync_handler+0x44/0x104 [ 51.152709][ T5355] el0t_64_sync+0x198/0x19c [ 51.153680][ T5355] irq event stamp: 135332 [ 51.154623][ T5355] hardirqs last enabled at (135331): [] vprintk_store+0x924/0xb94 [ 51.156708][ T5355] hardirqs last disabled at (135332): [] el1_brk64+0x20/0x54 [ 51.158687][ T5355] softirqs last enabled at (135326): [] kernel_neon_begin+0x294/0x400 [ 51.160844][ T5355] softirqs last disabled at (135324): [] kernel_neon_begin+0x11c/0x400 [ 51.162759][ T5355] ---[ end trace 0000000000000000 ]--- [ 51.167048][ T5355] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.181244][ T41] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.185277][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.185637][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.185818][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.186126][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.186323][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.319578][ T5454] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.319610][ T5454] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.319658][ T5454] bridge_slave_0: entered allmulticast mode [ 51.320038][ T5454] bridge_slave_0: entered promiscuous mode [ 51.324657][ T5454] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.324679][ T5454] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.324726][ T5454] bridge_slave_1: entered allmulticast mode [ 51.325390][ T5454] bridge_slave_1: entered promiscuous mode [ 51.335294][ T5454] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.336122][ T5454] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.343726][ T5454] team0: Port device team_slave_0 added [ 51.344950][ T5454] team0: Port device team_slave_1 added [ 51.352502][ T5454] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.352510][ T5454] 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 1532 would solve the problem. [ 51.352523][ T5454] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.353058][ T5454] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.353064][ T5454] 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 1532 would solve the problem. [ 51.353075][ T5454] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.376426][ T5454] hsr_slave_0: entered promiscuous mode [ 51.376710][ T5454] hsr_slave_1: entered promiscuous mode [ 51.376903][ T5454] debugfs: 'hsr0' already exists in 'hsr' [ 51.376912][ T5454] Cannot create hsr debugfs directory [ 51.420472][ T5454] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 51.421399][ T5454] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 51.421791][ T5454] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 51.422586][ T5454] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 51.422924][ T5454] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 51.423942][ T5454] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 51.425160][ T5454] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 51.426313][ T5454] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 51.433673][ T5454] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.433697][ T5454] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.433760][ T5454] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.433788][ T5454] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.449742][ T5454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.453099][ T60] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.453391][ T60] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.460253][ T5454] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.462401][ T60] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.462421][ T60] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.464017][ T60] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.464037][ T60] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.557521][ T5454] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.568731][ T5454] veth0_vlan: entered promiscuous mode [ 51.570421][ T5454] veth1_vlan: entered promiscuous mode [ 51.578220][ T5454] veth0_macvtap: entered promiscuous mode [ 51.581077][ T5454] veth1_macvtap: entered promiscuous mode [ 51.585249][ T5454] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.586744][ T5454] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.604501][ T40] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.604787][ T40] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.604803][ T40] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.604816][ T40] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.608863][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.608872][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.615332][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.615342][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.652142][ T5489] loop2: detected capacity change from 0 to 1024 [ 51.677325][ T5489] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.777836][ T41] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.818186][ T41] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.876701][ T41] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.995250][ T41] bridge_slave_1: left allmulticast mode [ 52.995268][ T41] bridge_slave_1: left promiscuous mode [ 52.995345][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.996363][ T41] bridge_slave_0: left allmulticast mode [ 52.996376][ T41] bridge_slave_0: left promiscuous mode [ 52.996437][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.052813][ T41] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.057690][ T41] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 53.058507][ T41] bond0 (unregistering): Released all slaves [ 53.170516][ T4431] 8021q: adding VLAN 0 to HW filter on device eth4 [ 53.260723][ T41] hsr_slave_0: left promiscuous mode [ 53.261291][ T41] hsr_slave_1: left promiscuous mode [ 53.262402][ T41] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 53.262413][ T41] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 53.268595][ T41] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 53.268606][ T41] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 53.273304][ T41] veth1_macvtap: left promiscuous mode [ 53.273328][ T41] veth0_macvtap: left promiscuous mode [ 53.273372][ T41] veth1_vlan: left promiscuous mode [ 53.273425][ T41] veth0_vlan: left promiscuous mode [ 53.359837][ T41] team0 (unregistering): Port device team_slave_1 removed [ 53.363136][ T41] team0 (unregistering): Port device team_slave_0 removed [ 53.412165][ T4431] 8021q: adding VLAN 0 to HW filter on device eth5 [ 53.522389][ T4431] 8021q: adding VLAN 0 to HW filter on device eth6 [ 53.633905][ T4431] 8021q: adding VLAN 0 to HW filter on device eth7 [ 53.835176][ T5454] EXT4-fs warning (device loop2): ext4_xattr_inode_create:1485: refuse to create EA inode when umounting [ 53.835273][ T5454] ------------[ cut here ]------------ [ 53.835277][ T5454] WARNING: fs/ext4/xattr.c:1486 at ext4_xattr_inode_lookup_create+0x6fc/0x1284, CPU#0: syz-executor/5454 [ 53.840656][ T5454] Modules linked in: [ 53.841353][ T5454] CPU: 0 UID: 0 PID: 5454 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.843442][ T5454] Tainted: [W]=WARN [ 53.844175][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 53.846362][ T5454] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.847889][ T5454] pc : ext4_xattr_inode_lookup_create+0x6fc/0x1284 [ 53.849262][ T5454] lr : ext4_xattr_inode_lookup_create+0x6f8/0x1284 [ 53.850679][ T5454] sp : ffff800094fb6dc0 [ 53.851592][ T5454] x29: ffff800094fb6f00 x28: dfff800000000000 x27: ffff0000e0da9b00 [ 53.853321][ T5454] x26: ffff0000e0da9b00 x25: ffff0000da5fd3f8 x24: ffff0000e0da9b00 [ 53.855135][ T5454] x23: ffff0000c90a8000 x22: ffff0000da5fd3d0 x21: 0000000000000f8d [ 53.856954][ T5454] x20: ffff7000129f6dc8 x19: ffff0000c90a8078 x18: ffff8001237ae000 [ 53.858847][ T5454] x17: 6572203a35383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.860764][ T5454] x14: 0000000000000774 x13: 0000000000000001 x12: 0000000000000003 [ 53.862668][ T5454] x11: 0000000000000000 x10: 0000000000000001 x9 : e65f471b102c8c00 [ 53.864470][ T5454] x8 : 00000000000000f8 x7 : ffff800080484084 x6 : 0000000000000000 [ 53.866307][ T5454] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008048eb84 [ 53.868137][ T5454] x2 : 0000000100000000 x1 : ffff0000c3ff3b00 x0 : 0000000000000066 [ 53.869828][ T5454] Call trace: [ 53.870537][ T5454] ext4_xattr_inode_lookup_create+0x6fc/0x1284 (P) [ 53.872050][ T5454] ext4_xattr_block_set+0x1d4/0x2218 [ 53.873275][ T5454] ext4_expand_extra_isize_ea+0xb00/0x127c [ 53.874616][ T5454] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.875880][ T5454] __ext4_mark_inode_dirty+0x3e8/0x78c [ 53.877110][ T5454] ext4_dirty_inode+0xd8/0x114 [ 53.878185][ T5454] __mark_inode_dirty+0x378/0x1634 [ 53.879364][ T5454] sync_lazytime+0x1a8/0x57c [ 53.880394][ T5454] iput+0x1ec/0xc28 [ 53.881268][ T5454] dentry_unlink_inode+0x324/0x3d0 [ 53.882452][ T5454] dentry_kill+0x1dc/0x7b0 [ 53.883487][ T5454] shrink_dentry_list+0x22c/0x310 [ 53.884623][ T5454] shrink_dcache_tree+0x13c/0x360 [ 53.885773][ T5454] do_one_tree+0x30/0x12c [ 53.886755][ T5454] shrink_dcache_for_umount+0x108/0x468 [ 53.888012][ T5454] generic_shutdown_super+0x74/0x2c0 [ 53.889194][ T5454] kill_block_super+0x48/0xa4 [ 53.890251][ T5454] ext4_kill_sb+0x68/0xa8 [ 53.891114][ T5454] deactivate_locked_super+0xcc/0x128 [ 53.892314][ T5454] deactivate_super+0xd4/0xf4 [ 53.893369][ T5454] cleanup_mnt+0x190/0x220 [ 53.894376][ T5454] __cleanup_mnt+0x20/0x30 [ 53.895365][ T5454] task_work_run+0x1cc/0x25c [ 53.896352][ T5454] do_exit+0x58c/0x1a74 [ 53.897252][ T5454] do_group_exit+0x198/0x238 [ 53.898352][ T5454] pid_child_should_wake+0x0/0x104 [ 53.899460][ T5454] invoke_syscall+0x98/0x244 [ 53.900500][ T5454] el0_svc_common+0xec/0x23c [ 53.901546][ T5454] do_el0_svc+0x4c/0x5c [ 53.902473][ T5454] el0_svc+0x60/0x1d8 [ 53.903362][ T5454] el0t_64_sync_handler+0x44/0x104 [ 53.904498][ T5454] el0t_64_sync+0x198/0x19c [ 53.905481][ T5454] irq event stamp: 139080 [ 53.906434][ T5454] hardirqs last enabled at (139079): [] vprintk_store+0x924/0xb94 [ 53.908562][ T5454] hardirqs last disabled at (139080): [] el1_brk64+0x20/0x54 [ 53.910500][ T5454] softirqs last enabled at (139074): [] kernel_neon_begin+0x294/0x400 [ 53.912452][ T5454] softirqs last disabled at (139072): [] kernel_neon_begin+0x11c/0x400 [ 53.914511][ T5454] ---[ end trace 0000000000000000 ]--- [ 53.917646][ T5454] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.930021][ T438] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.933850][ T4763] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.935726][ T4763] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.936081][ T4763] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.936396][ T4763] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.936589][ T4763] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:53 executed programs: 10 [ 54.068868][ T5558] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.068930][ T5558] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.068978][ T5558] bridge_slave_0: entered allmulticast mode [ 54.069364][ T5558] bridge_slave_0: entered promiscuous mode [ 54.070145][ T5558] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.070189][ T5558] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.070230][ T5558] bridge_slave_1: entered allmulticast mode [ 54.070608][ T5558] bridge_slave_1: entered promiscuous mode [ 54.085286][ T5558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.086077][ T5558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.093455][ T5558] team0: Port device team_slave_0 added [ 54.094587][ T5558] team0: Port device team_slave_1 added [ 54.102506][ T5558] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.102513][ T5558] 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 1532 would solve the problem. [ 54.102525][ T5558] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.103037][ T5558] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.103044][ T5558] 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 1532 would solve the problem. [ 54.103058][ T5558] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.125057][ T5558] hsr_slave_0: entered promiscuous mode [ 54.125308][ T5558] hsr_slave_1: entered promiscuous mode [ 54.164732][ T5558] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 54.165935][ T5558] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 54.166281][ T5558] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 54.167069][ T5558] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 54.167415][ T5558] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 54.168249][ T5558] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 54.168562][ T5558] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 54.169358][ T5558] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 54.185598][ T5558] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.185622][ T5558] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.185689][ T5558] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.185717][ T5558] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.200018][ T5558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.203389][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.203665][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.210571][ T5558] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.212364][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.212387][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.213776][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.213797][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.305447][ T5558] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.319109][ T5558] veth0_vlan: entered promiscuous mode [ 54.320849][ T5558] veth1_vlan: entered promiscuous mode [ 54.329461][ T5558] veth0_macvtap: entered promiscuous mode [ 54.330475][ T5558] veth1_macvtap: entered promiscuous mode [ 54.338058][ T5558] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.339923][ T5558] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.362740][ T60] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.362750][ T60] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.372036][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.372046][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.385055][ T41] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.385144][ T41] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.385202][ T41] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.385285][ T41] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.417239][ T5591] loop3: detected capacity change from 0 to 1024 [ 54.442350][ T5591] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 55.478190][ T438] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.547023][ T438] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.577527][ T438] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.720279][ T438] bridge_slave_1: left allmulticast mode [ 55.720295][ T438] bridge_slave_1: left promiscuous mode [ 55.720371][ T438] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.722686][ T438] bridge_slave_0: left allmulticast mode [ 55.722699][ T438] bridge_slave_0: left promiscuous mode [ 55.722761][ T438] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.776552][ T438] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 55.815867][ T438] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 55.825397][ T438] bond0 (unregistering): Released all slaves [ 55.952154][ T4431] 8021q: adding VLAN 0 to HW filter on device eth8 [ 56.098768][ T4431] 8021q: adding VLAN 0 to HW filter on device eth10 [ 56.149115][ T438] hsr_slave_0: left promiscuous mode [ 56.149323][ T438] hsr_slave_1: left promiscuous mode [ 56.149556][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.149566][ T438] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.149820][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.149828][ T438] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.152133][ T438] veth1_macvtap: left promiscuous mode [ 56.152180][ T438] veth0_macvtap: left promiscuous mode [ 56.152223][ T438] veth1_vlan: left promiscuous mode [ 56.152252][ T438] veth0_vlan: left promiscuous mode [ 56.244520][ T438] team0 (unregistering): Port device team_slave_1 removed [ 56.247986][ T438] team0 (unregistering): Port device team_slave_0 removed [ 56.296504][ T4431] 8021q: adding VLAN 0 to HW filter on device eth9 [ 56.425534][ T4431] 8021q: adding VLAN 0 to HW filter on device eth11 [ 56.725252][ T5558] EXT4-fs warning (device loop3): ext4_xattr_inode_create:1485: refuse to create EA inode when umounting [ 56.725350][ T5558] ------------[ cut here ]------------ [ 56.725354][ T5558] WARNING: fs/ext4/xattr.c:1486 at ext4_xattr_inode_lookup_create+0x6fc/0x1284, CPU#0: syz-executor/5558 [ 56.730888][ T5558] Modules linked in: [ 56.731648][ T5558] CPU: 0 UID: 0 PID: 5558 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.733724][ T5558] Tainted: [W]=WARN [ 56.734517][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 56.736718][ T5558] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.738442][ T5558] pc : ext4_xattr_inode_lookup_create+0x6fc/0x1284 [ 56.739885][ T5558] lr : ext4_xattr_inode_lookup_create+0x6f8/0x1284 [ 56.741337][ T5558] sp : ffff800094fb6dc0 [ 56.742267][ T5558] x29: ffff800094fb6f00 x28: dfff800000000000 x27: ffff0000c85c3d10 [ 56.743950][ T5558] x26: ffff0000c85c3d10 x25: ffff0000da5fa6a8 x24: ffff0000c85c3d10 [ 56.745733][ T5558] x23: ffff0000d8fcc000 x22: ffff0000da5fa680 x21: 0000000000000f8d [ 56.747491][ T5558] x20: ffff7000129f6dc8 x19: ffff0000d8fcc078 x18: ffff8001237ae000 [ 56.749070][ T5558] x17: 6572203a35383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.750701][ T5558] x14: 0000000000000876 x13: 0000000000000001 x12: 0000000000000003 [ 56.752269][ T5558] x11: 0000000000000000 x10: 0000000000000001 x9 : f4485b4c04399300 [ 56.754005][ T5558] x8 : 00000000000000f8 x7 : ffff800080484084 x6 : 0000000000000000 [ 56.755788][ T5558] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008048eb84 [ 56.757559][ T5558] x2 : 0000000100000000 x1 : ffff0000c6b23b00 x0 : 0000000000000066 [ 56.759246][ T5558] Call trace: [ 56.759945][ T5558] ext4_xattr_inode_lookup_create+0x6fc/0x1284 (P) [ 56.761421][ T5558] ext4_xattr_block_set+0x1d4/0x2218 [ 56.762538][ T5558] ext4_expand_extra_isize_ea+0xb00/0x127c [ 56.763753][ T5558] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.764947][ T5558] __ext4_mark_inode_dirty+0x3e8/0x78c [ 56.766116][ T5558] ext4_dirty_inode+0xd8/0x114 [ 56.767125][ T5558] __mark_inode_dirty+0x378/0x1634 [ 56.768111][ T5558] sync_lazytime+0x1a8/0x57c [ 56.769018][ T5558] iput+0x1ec/0xc28 [ 56.769753][ T5558] dentry_unlink_inode+0x324/0x3d0 [ 56.770865][ T5558] dentry_kill+0x1dc/0x7b0 [ 56.771840][ T5558] shrink_dentry_list+0x22c/0x310 [ 56.772877][ T5558] shrink_dcache_tree+0x13c/0x360 [ 56.773914][ T5558] do_one_tree+0x30/0x12c [ 56.774803][ T5558] shrink_dcache_for_umount+0x108/0x468 [ 56.775950][ T5558] generic_shutdown_super+0x74/0x2c0 [ 56.777014][ T5558] kill_block_super+0x48/0xa4 [ 56.777962][ T5558] ext4_kill_sb+0x68/0xa8 [ 56.778882][ T5558] deactivate_locked_super+0xcc/0x128 [ 56.780040][ T5558] deactivate_super+0xd4/0xf4 [ 56.781054][ T5558] cleanup_mnt+0x190/0x220 [ 56.781989][ T5558] __cleanup_mnt+0x20/0x30 [ 56.782984][ T5558] task_work_run+0x1cc/0x25c [ 56.783995][ T5558] do_exit+0x58c/0x1a74 [ 56.784904][ T5558] do_group_exit+0x198/0x238 [ 56.785872][ T5558] pid_child_should_wake+0x0/0x104 [ 56.786913][ T5558] invoke_syscall+0x98/0x244 [ 56.787814][ T5558] el0_svc_common+0xec/0x23c [ 56.788821][ T5558] do_el0_svc+0x4c/0x5c [ 56.789690][ T5558] el0_svc+0x60/0x1d8 [ 56.790515][ T5558] el0t_64_sync_handler+0x44/0x104 [ 56.791579][ T5558] el0t_64_sync+0x198/0x19c [ 56.792494][ T5558] irq event stamp: 138912 [ 56.793384][ T5558] hardirqs last enabled at (138911): [] vprintk_store+0x924/0xb94 [ 56.795297][ T5558] hardirqs last disabled at (138912): [] el1_brk64+0x20/0x54 [ 56.797171][ T5558] softirqs last enabled at (138906): [] kernel_neon_begin+0x294/0x400 [ 56.799209][ T5558] softirqs last disabled at (138904): [] kernel_neon_begin+0x11c/0x400 [ 56.801342][ T5558] ---[ end trace 0000000000000000 ]--- [ 56.809838][ T5558] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 56.815591][ T438] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.868180][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.868534][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.868739][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.869105][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.869318][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.990064][ T5662] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.990115][ T5662] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.990195][ T5662] bridge_slave_0: entered allmulticast mode [ 56.990597][ T5662] bridge_slave_0: entered promiscuous mode [ 56.994644][ T5662] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.994665][ T5662] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.994714][ T5662] bridge_slave_1: entered allmulticast mode [ 56.995082][ T5662] bridge_slave_1: entered promiscuous mode [ 57.005524][ T5662] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.006354][ T5662] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.013184][ T5662] team0: Port device team_slave_0 added [ 57.014548][ T5662] team0: Port device team_slave_1 added [ 57.022793][ T5662] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.022801][ T5662] 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 1532 would solve the problem. [ 57.022814][ T5662] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.023316][ T5662] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.023323][ T5662] 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 1532 would solve the problem. [ 57.023334][ T5662] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.046241][ T5662] hsr_slave_0: entered promiscuous mode [ 57.046589][ T5662] hsr_slave_1: entered promiscuous mode [ 57.046777][ T5662] debugfs: 'hsr0' already exists in 'hsr' [ 57.046787][ T5662] Cannot create hsr debugfs directory [ 57.091405][ T5662] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.092292][ T5662] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 57.092678][ T5662] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.093497][ T5662] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 57.093828][ T5662] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.094807][ T5662] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 57.095082][ T5662] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.097938][ T5662] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 57.104579][ T5662] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.104601][ T5662] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.104669][ T5662] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.104696][ T5662] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.120550][ T5662] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.125700][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.125973][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.128294][ T5662] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.130196][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.130217][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.138379][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.138403][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.226710][ T5662] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.278634][ T5662] veth0_vlan: entered promiscuous mode [ 57.281438][ T5662] veth1_vlan: entered promiscuous mode [ 57.290629][ T5662] veth0_macvtap: entered promiscuous mode [ 57.291599][ T5662] veth1_macvtap: entered promiscuous mode [ 57.297905][ T5662] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.299736][ T5662] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.315086][ T40] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.315228][ T40] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.315243][ T40] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.315257][ T40] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.323294][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.323305][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.333374][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.333383][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.376718][ T5701] loop4: detected capacity change from 0 to 1024 [ 57.391274][ T5701] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.