Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.719159][ T4326] cgroup: Unknown subsys name 'net' [ 34.976101][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.247705][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.528611][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.529807][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.531572][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.538320][ T279] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.539443][ T279] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.540966][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.037572][ T4377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.038900][ T4377] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.040219][ T4377] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.041701][ T4377] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.042979][ T4377] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.046264][ T4377] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.383427][ T4395] chnl_net:caif_netlink_parms(): no params data found [ 40.401257][ T4395] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.402494][ T4395] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.404341][ T4395] device bridge_slave_0 entered promiscuous mode [ 40.410918][ T4395] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.411988][ T4395] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.413338][ T4395] device bridge_slave_1 entered promiscuous mode [ 40.420974][ T4395] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.423353][ T4395] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.430311][ T4395] team0: Port device team_slave_0 added [ 40.431789][ T4395] team0: Port device team_slave_1 added [ 40.438397][ T4395] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.439544][ T4395] 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. [ 40.443165][ T4395] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.448085][ T4395] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.449147][ T4395] 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. [ 40.452985][ T4395] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.487413][ T4395] device hsr_slave_0 entered promiscuous mode [ 40.513962][ T4395] device hsr_slave_1 entered promiscuous mode [ 40.621124][ T4395] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.667256][ T4395] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.705654][ T4395] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.744787][ T4395] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.817690][ T4395] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.820915][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.822698][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.826934][ T4395] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.829189][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.830589][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.832355][ T279] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.833416][ T279] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.835289][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.838088][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.839587][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.840991][ T279] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.841972][ T279] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.854850][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.857584][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.860343][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.862209][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.864257][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.867671][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.869249][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.871911][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.873459][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.876738][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.878325][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.880640][ T4395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.939884][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.941138][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.944998][ T4395] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.951058][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.958131][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.959882][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.961211][ T279] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.965660][ T4395] device veth0_vlan entered promiscuous mode [ 40.968638][ T4395] device veth1_vlan entered promiscuous mode [ 40.987357][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.988764][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.990195][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.992290][ T4395] device veth0_macvtap entered promiscuous mode [ 40.995431][ T4395] device veth1_macvtap entered promiscuous mode [ 41.000212][ T4395] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.001395][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.002949][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.004918][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.014431][ T4395] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.016388][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.017887][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.019978][ T4395] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.021292][ T4395] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.022515][ T4395] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.024476][ T4395] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 41.716100][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.717590][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.718817][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.720329][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.721675][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.722821][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.966006][ T4443] chnl_net:caif_netlink_parms(): no params data found [ 41.994329][ T4443] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.995503][ T4443] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.996872][ T4443] device bridge_slave_0 entered promiscuous mode [ 41.998648][ T4443] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.999795][ T4443] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.001137][ T4443] device bridge_slave_1 entered promiscuous mode [ 42.008571][ T4443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.010923][ T4443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.019888][ T4443] team0: Port device team_slave_0 added [ 42.094933][ T4443] team0: Port device team_slave_1 added [ 42.254003][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.255087][ T4443] 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. [ 42.258594][ T4443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.323932][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.324987][ T4443] 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. [ 42.328656][ T4443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.484923][ T4443] device hsr_slave_0 entered promiscuous mode [ 42.513916][ T4443] device hsr_slave_1 entered promiscuous mode [ 42.563573][ T4443] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.564763][ T4443] Cannot create hsr debugfs directory [ 42.675248][ T4443] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.784107][ T4377] Bluetooth: hci0: command 0x0409 tx timeout [ 45.853673][ T4377] Bluetooth: hci0: command 0x041b tx timeout [ 45.984628][ T4443] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.984326][ T4443] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.095221][ T4443] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.326102][ T4443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.445762][ T4443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.494540][ T4443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.596037][ T4443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.705708][ T4443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.709043][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.710487][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.712634][ T4443] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.766325][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.767898][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.769236][ T1653] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.770812][ T1653] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.772118][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.775277][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.776718][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.778058][ T1653] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.779081][ T1653] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.781270][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.784887][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.787434][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.789893][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.791463][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.795227][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.796868][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.799272][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.800691][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.804773][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.806263][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.810450][ T11] device hsr_slave_0 left promiscuous mode [ 47.843720][ T11] device hsr_slave_1 left promiscuous mode [ 47.933526][ T4377] Bluetooth: hci0: command 0x040f tx timeout [ 47.933590][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.935627][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.937202][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.938359][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.939554][ T11] device bridge_slave_1 left promiscuous mode [ 47.940678][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.994210][ T11] device bridge_slave_0 left promiscuous mode [ 47.995232][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.143874][ T11] device veth1_macvtap left promiscuous mode [ 48.144888][ T11] device veth0_macvtap left promiscuous mode [ 48.145816][ T11] device veth1_vlan left promiscuous mode [ 48.146720][ T11] device veth0_vlan left promiscuous mode [ 49.954614][ T11] team0 (unregistering): Port device team_slave_1 removed [ 50.013522][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 50.144399][ T11] team0 (unregistering): Port device team_slave_0 removed [ 50.313914][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.563939][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.055156][ T11] bond0 (unregistering): Released all slaves [ 53.308674][ T4443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.357939][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.359158][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.362898][ T4443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.368553][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 53.370570][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.377708][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.379362][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.380950][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.382138][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.383921][ T4443] device veth0_vlan entered promiscuous mode [ 53.387473][ T4443] device veth1_vlan entered promiscuous mode [ 53.393325][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.395091][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.396564][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.398000][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.400229][ T4443] device veth0_macvtap entered promiscuous mode [ 53.402345][ T4443] device veth1_macvtap entered promiscuous mode [ 53.407711][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.408931][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.410466][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.411884][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.413291][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.417665][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.419366][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.420909][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.429655][ T4443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.430904][ T4443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.432094][ T4443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.433349][ T4443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.454118][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.455253][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.457280][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.462201][ T1653] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.463346][ T1653] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.465475][ T1653] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.514205][ T4464] loop0: detected capacity change from 0 to 512 [ 53.528009][ T4464] [ 53.528456][ T4464] ====================================================== [ 53.529455][ T4464] WARNING: possible circular locking dependency detected [ 53.530452][ T4464] syzkaller #0 Not tainted [ 53.531119][ T4464] ------------------------------------------------------ [ 53.532071][ T4464] syz.0.17/4464 is trying to acquire lock: [ 53.533009][ T4464] ffff0000d031eb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 53.534456][ T4464] [ 53.534456][ T4464] but task is already holding lock: [ 53.535692][ T4464] ffff0000e5985b10 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 53.537162][ T4464] [ 53.537162][ T4464] which lock already depends on the new lock. [ 53.537162][ T4464] [ 53.538581][ T4464] [ 53.538581][ T4464] the existing dependency chain (in reverse order) is: [ 53.539878][ T4464] [ 53.539878][ T4464] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 53.541008][ T4464] down_read+0x64/0x304 [ 53.541672][ T4464] ext4_setattr+0x7c4/0x150c [ 53.542394][ T4464] notify_change+0xb0c/0xdcc [ 53.543146][ T4464] chown_common+0x414/0x574 [ 53.543908][ T4464] do_fchownat+0x158/0x268 [ 53.544600][ T4464] __arm64_sys_fchownat+0xb8/0xd4 [ 53.545480][ T4464] invoke_syscall+0x98/0x2bc [ 53.546190][ T4464] el0_svc_common+0x138/0x258 [ 53.546893][ T4464] do_el0_svc+0x58/0x13c [ 53.547645][ T4464] el0_svc+0x58/0x138 [ 53.548282][ T4464] el0t_64_sync_handler+0x84/0xf0 [ 53.549065][ T4464] el0t_64_sync+0x18c/0x190 [ 53.549824][ T4464] [ 53.549824][ T4464] -> #1 (jbd2_handle){++++}-{0:0}: [ 53.550925][ T4464] start_this_handle+0xfe0/0x122c [ 53.551693][ T4464] jbd2__journal_start+0x288/0x51c [ 53.552546][ T4464] __ext4_journal_start_sb+0x2fc/0x674 [ 53.553410][ T4464] ext4_writepages+0xa28/0x284c [ 53.554145][ T4464] do_writepages+0x2c0/0x4fc [ 53.554870][ T4464] __writeback_single_inode+0x164/0x157c [ 53.555736][ T4464] writeback_sb_inodes+0x824/0x1404 [ 53.556634][ T4464] __writeback_inodes_wb+0x110/0x394 [ 53.557491][ T4464] wb_writeback+0x414/0xfb0 [ 53.558209][ T4464] wb_workfn+0xac0/0xd98 [ 53.558914][ T4464] process_one_work+0x7f4/0x13a8 [ 53.559706][ T4464] worker_thread+0x8c8/0xfbc [ 53.560473][ T4464] kthread+0x250/0x2d8 [ 53.561089][ T4464] ret_from_fork+0x10/0x20 [ 53.561815][ T4464] [ 53.561815][ T4464] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 53.562936][ T4464] __lock_acquire+0x293c/0x6544 [ 53.563706][ T4464] lock_acquire+0x20c/0x644 [ 53.564385][ T4464] percpu_down_read+0x70/0x2a8 [ 53.565175][ T4464] ext4_writepages+0x188/0x284c [ 53.565874][ T4464] do_writepages+0x2c0/0x4fc [ 53.566559][ T4464] __writeback_single_inode+0x164/0x157c [ 53.567408][ T4464] writeback_single_inode+0x1c0/0x720 [ 53.568249][ T4464] write_inode_now+0x144/0x1b0 [ 53.568959][ T4464] iput+0x5cc/0x7f4 [ 53.569594][ T4464] ext4_xattr_block_set+0x17a4/0x2810 [ 53.570395][ T4464] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 53.571257][ T4464] __ext4_expand_extra_isize+0x298/0x358 [ 53.572155][ T4464] __ext4_mark_inode_dirty+0x3e4/0x790 [ 53.573002][ T4464] ext4_evict_inode+0xb58/0x1270 [ 53.573767][ T4464] evict+0x3c8/0x810 [ 53.574406][ T4464] iput+0x764/0x7f4 [ 53.575019][ T4464] ext4_process_orphan+0x240/0x2b4 [ 53.575826][ T4464] ext4_orphan_cleanup+0x908/0x104c [ 53.576619][ T4464] ext4_fill_super+0x6440/0x68a8 [ 53.577347][ T4464] get_tree_bdev+0x358/0x544 [ 53.578069][ T4464] ext4_get_tree+0x28/0x38 [ 53.578808][ T4464] vfs_get_tree+0x90/0x274 [ 53.579515][ T4464] do_new_mount+0x228/0x810 [ 53.580220][ T4464] path_mount+0x5b4/0xe78 [ 53.581025][ T4464] __arm64_sys_mount+0x49c/0x584 [ 53.581900][ T4464] invoke_syscall+0x98/0x2bc [ 53.582632][ T4464] el0_svc_common+0x138/0x258 [ 53.583358][ T4464] do_el0_svc+0x58/0x13c [ 53.584004][ T4464] el0_svc+0x58/0x138 [ 53.584650][ T4464] el0t_64_sync_handler+0x84/0xf0 [ 53.585601][ T4464] el0t_64_sync+0x18c/0x190 [ 53.586304][ T4464] [ 53.586304][ T4464] other info that might help us debug this: [ 53.586304][ T4464] [ 53.587749][ T4464] Chain exists of: [ 53.587749][ T4464] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 53.587749][ T4464] [ 53.589671][ T4464] Possible unsafe locking scenario: [ 53.589671][ T4464] [ 53.590781][ T4464] CPU0 CPU1 [ 53.591567][ T4464] ---- ---- [ 53.592276][ T4464] lock(&ei->xattr_sem); [ 53.592897][ T4464] lock(jbd2_handle); [ 53.593779][ T4464] lock(&ei->xattr_sem); [ 53.594749][ T4464] lock(&sbi->s_writepages_rwsem); [ 53.595460][ T4464] [ 53.595460][ T4464] *** DEADLOCK *** [ 53.595460][ T4464] [ 53.596533][ T4464] 3 locks held by syz.0.17/4464: [ 53.597169][ T4464] #0: ffff0000d031c0e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 53.598548][ T4464] #1: ffff0000d031c650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 53.599922][ T4464] #2: ffff0000e5985b10 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 53.601335][ T4464] [ 53.601335][ T4464] stack backtrace: [ 53.602251][ T4464] CPU: 1 PID: 4464 Comm: syz.0.17 Not tainted syzkaller #0 [ 53.603256][ T4464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.604654][ T4464] Call trace: [ 53.605068][ T4464] dump_backtrace+0x1c8/0x1f4 [ 53.605748][ T4464] show_stack+0x2c/0x3c [ 53.606364][ T4464] __dump_stack+0x30/0x40 [ 53.606977][ T4464] dump_stack_lvl+0xf8/0x160 [ 53.607602][ T4464] dump_stack+0x1c/0x5c [ 53.608167][ T4464] print_circular_bug+0x148/0x1b0 [ 53.608913][ T4464] check_noncircular+0x240/0x2d4 [ 53.609629][ T4464] __lock_acquire+0x293c/0x6544 [ 53.610354][ T4464] lock_acquire+0x20c/0x644 [ 53.610987][ T4464] percpu_down_read+0x70/0x2a8 [ 53.611647][ T4464] ext4_writepages+0x188/0x284c [ 53.612320][ T4464] do_writepages+0x2c0/0x4fc [ 53.612931][ T4464] __writeback_single_inode+0x164/0x157c [ 53.613750][ T4464] writeback_single_inode+0x1c0/0x720 [ 53.614478][ T4464] write_inode_now+0x144/0x1b0 [ 53.615170][ T4464] iput+0x5cc/0x7f4 [ 53.615691][ T4464] ext4_xattr_block_set+0x17a4/0x2810 [ 53.616444][ T4464] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 53.617246][ T4464] __ext4_expand_extra_isize+0x298/0x358 [ 53.618030][ T4464] __ext4_mark_inode_dirty+0x3e4/0x790 [ 53.618820][ T4464] ext4_evict_inode+0xb58/0x1270 [ 53.619499][ T4464] evict+0x3c8/0x810 [ 53.620045][ T4464] iput+0x764/0x7f4 [ 53.620549][ T4464] ext4_process_orphan+0x240/0x2b4 [ 53.621248][ T4464] ext4_orphan_cleanup+0x908/0x104c [ 53.621999][ T4464] ext4_fill_super+0x6440/0x68a8 [ 53.622832][ T4464] get_tree_bdev+0x358/0x544 [ 53.623445][ T4464] ext4_get_tree+0x28/0x38 [ 53.624037][ T4464] vfs_get_tree+0x90/0x274 [ 53.624661][ T4464] do_new_mount+0x228/0x810 [ 53.625241][ T4464] path_mount+0x5b4/0xe78 [ 53.625808][ T4464] __arm64_sys_mount+0x49c/0x584 [ 53.626450][ T4464] invoke_syscall+0x98/0x2bc [ 53.627042][ T4464] el0_svc_common+0x138/0x258 [ 53.627574][ T4464] do_el0_svc+0x58/0x13c [ 53.628149][ T4464] el0_svc+0x58/0x138 [ 53.628744][ T4464] el0t_64_sync_handler+0x84/0xf0 [ 53.629510][ T4464] el0t_64_sync+0x18c/0x190 [ 53.631170][ T4464] ------------[ cut here ]------------ [ 53.631913][ T4464] EA inode 11 i_nlink=2 [ 53.631987][ T4464] WARNING: CPU: 1 PID: 4464 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 [ 53.634159][ T4464] Modules linked in: [ 53.634725][ T4464] CPU: 1 PID: 4464 Comm: syz.0.17 Not tainted syzkaller #0 [ 53.635801][ T4464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.637342][ T4464] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.638415][ T4464] pc : ext4_xattr_inode_update_ref+0x42c/0x470 [ 53.639309][ T4464] lr : ext4_xattr_inode_update_ref+0x42c/0x470 [ 53.640199][ T4464] sp : ffff800021326e00 [ 53.640807][ T4464] x29: ffff800021326ea0 x28: 0000000000000000 x27: dfff800000000000 [ 53.641919][ T4464] x26: 1fffe0001cb38095 x25: ffff700004264dc4 x24: 0000000000000000 [ 53.643074][ T4464] x23: ffff800017a8a000 x22: ffff0000e59c02f0 x21: 0000000000000002 [ 53.644307][ T4464] x20: 0000000000000001 x19: ffff0000e59c02b0 x18: ffff800011abbcc0 [ 53.645483][ T4464] x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 [ 53.646667][ T4464] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 53.647773][ T4464] x11: ff00800008191ca8 x10: 0000000000000000 x9 : 69612470b85c7600 [ 53.648959][ T4464] x8 : 69612470b85c7600 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.650095][ T4464] x5 : ffff800021326898 x4 : ffff8000151a4920 x3 : ffff800008311fcc [ 53.651145][ T4464] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.652278][ T4464] Call trace: [ 53.652758][ T4464] ext4_xattr_inode_update_ref+0x42c/0x470 [ 53.653564][ T4464] ext4_xattr_set_entry+0x918/0x15ac [ 53.654345][ T4464] ext4_xattr_ibody_set+0x204/0x600 [ 53.655098][ T4464] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 53.655899][ T4464] __ext4_expand_extra_isize+0x298/0x358 [ 53.656670][ T4464] __ext4_mark_inode_dirty+0x3e4/0x790 [ 53.657464][ T4464] ext4_evict_inode+0xb58/0x1270 [ 53.658191][ T4464] evict+0x3c8/0x810 [ 53.658721][ T4464] iput+0x764/0x7f4 [ 53.659263][ T4464] ext4_process_orphan+0x240/0x2b4 [ 53.660050][ T4464] ext4_orphan_cleanup+0x908/0x104c [ 53.660799][ T4464] ext4_fill_super+0x6440/0x68a8 [ 53.661482][ T4464] get_tree_bdev+0x358/0x544 [ 53.662181][ T4464] ext4_get_tree+0x28/0x38 [ 53.662797][ T4464] vfs_get_tree+0x90/0x274 [ 53.663412][ T4464] do_new_mount+0x228/0x810 [ 53.664083][ T4464] path_mount+0x5b4/0xe78 [ 53.664690][ T4464] __arm64_sys_mount+0x49c/0x584 [ 53.665407][ T4464] invoke_syscall+0x98/0x2bc [ 53.666094][ T4464] el0_svc_common+0x138/0x258 [ 53.666738][ T4464] do_el0_svc+0x58/0x13c [ 53.667367][ T4464] el0_svc+0x58/0x138 [ 53.667940][ T4464] el0t_64_sync_handler+0x84/0xf0 [ 53.668597][ T4464] el0t_64_sync+0x18c/0x190 [ 53.669209][ T4464] irq event stamp: 4413 [ 53.669773][ T4464] hardirqs last enabled at (4413): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 53.671343][ T4464] hardirqs last disabled at (4412): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 53.672804][ T4464] softirqs last enabled at (3522): [] handle_softirqs+0xaf8/0xc6c [ 53.674179][ T4464] softirqs last disabled at (3465): [] __do_softirq+0x14/0x20 [ 53.675564][ T4464] ---[ end trace 0000000000000000 ]--- [ 53.677162][ T4464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 53.679450][ T4464] EXT4-fs (loop0): Remounting filesystem read-only [ 53.680534][ T4464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 53.682299][ T4464] EXT4-fs (loop0): Remounting filesystem read-only [ 53.683282][ T4464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 53.685320][ T4464] EXT4-fs (loop0): Remounting filesystem read-only [ 53.686294][ T4464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 53.688128][ T4464] EXT4-fs (loop0): Remounting filesystem read-only [ 53.689137][ T4464] EXT4-fs (loop0): 1 orphan inode deleted [ 53.689953][ T4464] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 53.704744][ T4443] EXT4-fs (loop0): unmounting filesystem.