Warning: Permanently added '10.128.0.5' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs [ 34.031847][ T4326] cgroup: Unknown subsys name 'net' [ 34.276944][ T4326] cgroup: Unknown subsys name 'rlimit' [ 34.566363][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.962467][ T4337] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.964117][ T4337] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.965477][ T4337] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.967000][ T4337] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.968355][ T4337] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.969520][ T4337] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.493479][ T4369] chnl_net:caif_netlink_parms(): no params data found [ 39.510954][ T4369] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.512324][ T4369] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.514969][ T4369] device bridge_slave_0 entered promiscuous mode [ 39.518600][ T4369] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.519712][ T4369] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.521101][ T4369] device bridge_slave_1 entered promiscuous mode [ 39.530620][ T4369] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.533084][ T4369] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.540825][ T4369] team0: Port device team_slave_0 added [ 39.543216][ T4369] team0: Port device team_slave_1 added [ 39.550557][ T4369] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.551696][ T4369] 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. [ 39.556005][ T4369] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.558552][ T4369] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.559611][ T4369] 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. [ 39.563741][ T4369] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.605159][ T4369] device hsr_slave_0 entered promiscuous mode [ 39.644207][ T4369] device hsr_slave_1 entered promiscuous mode [ 39.718440][ T4369] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.747177][ T4369] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.775955][ T4369] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.826111][ T4369] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.884169][ T4369] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.885450][ T4369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.886789][ T4369] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.887910][ T4369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.902624][ T4369] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.908003][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.910476][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.912012][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.913778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.918746][ T4369] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.922100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.923522][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.924719][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.956685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.958526][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.959713][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.966903][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.968800][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.971560][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.976023][ T4369] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 39.977651][ T4369] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 39.982047][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.984665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.986328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.039533][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.040801][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.046052][ T4369] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.051706][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.057713][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.059359][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.060864][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.063065][ T4369] device veth0_vlan entered promiscuous mode [ 40.067552][ T4369] device veth1_vlan entered promiscuous mode [ 40.073571][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.075868][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.077389][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.079706][ T4369] device veth0_macvtap entered promiscuous mode [ 40.082008][ T4369] device veth1_macvtap entered promiscuous mode [ 40.089081][ T4369] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.091024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.093765][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.098950][ T4369] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.100276][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.103298][ T4369] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.105645][ T4369] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.107045][ T4369] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.108424][ T4369] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.245709][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.247043][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.248953][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.256468][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.257707][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.259275][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 41.001408][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.003028][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.004828][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.006627][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.007994][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.009307][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.062207][ T4432] chnl_net:caif_netlink_parms(): no params data found [ 41.081382][ T4432] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.082635][ T4432] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.084333][ T4432] device bridge_slave_0 entered promiscuous mode [ 41.086696][ T4432] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.087876][ T4432] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.089337][ T4432] device bridge_slave_1 entered promiscuous mode [ 41.096496][ T4432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.098917][ T4432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.107037][ T4432] team0: Port device team_slave_0 added [ 41.109122][ T4432] team0: Port device team_slave_1 added [ 41.119990][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.121140][ T4432] 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. [ 41.125467][ T4432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.127841][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.128927][ T4432] 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. [ 41.132710][ T4432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.175143][ T4432] device hsr_slave_0 entered promiscuous mode [ 41.244180][ T4432] device hsr_slave_1 entered promiscuous mode [ 41.294048][ T4432] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.295448][ T4432] Cannot create hsr debugfs directory [ 41.575191][ T4432] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.044262][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.215100][ T4432] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.114400][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.705007][ T4432] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.815789][ T4432] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.095201][ T4432] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.185928][ T4432] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.265770][ T4432] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.305130][ T4432] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.676481][ T4432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.679933][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.681389][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.683786][ T4432] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.686698][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.688256][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.689850][ T1795] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.690932][ T1795] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.692400][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.695267][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.696774][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.698235][ T1795] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.699359][ T1795] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.702288][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.737764][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.739567][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.741484][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.743021][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.744677][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.746194][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.749125][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.750675][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.753131][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.754766][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.757223][ T4432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.099742][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.101113][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.104003][ T4432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.109366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.110937][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.116464][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.117993][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.119412][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.120770][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.122850][ T4432] device veth0_vlan entered promiscuous mode [ 47.149306][ T258] device hsr_slave_0 left promiscuous mode [ 47.194218][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.195593][ T258] device hsr_slave_1 left promiscuous mode [ 47.264202][ T258] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.265416][ T258] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.267010][ T258] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.268169][ T258] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.269560][ T258] device bridge_slave_1 left promiscuous mode [ 47.270990][ T258] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.305177][ T258] device bridge_slave_0 left promiscuous mode [ 47.306238][ T258] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.434199][ T258] device veth1_macvtap left promiscuous mode [ 47.435295][ T258] device veth0_macvtap left promiscuous mode [ 47.436287][ T258] device veth1_vlan left promiscuous mode [ 47.437273][ T258] device veth0_vlan left promiscuous mode [ 49.265143][ T258] team0 (unregistering): Port device team_slave_1 removed [ 49.273926][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.444946][ T258] team0 (unregistering): Port device team_slave_0 removed [ 49.654278][ T258] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.904314][ T258] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.265515][ T258] bond0 (unregistering): Released all slaves [ 52.517987][ T4432] device veth1_vlan entered promiscuous mode [ 52.521260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.528665][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.530226][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.532436][ T4432] device veth0_macvtap entered promiscuous mode [ 52.534746][ T4432] device veth1_macvtap entered promiscuous mode [ 52.539629][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.540857][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.542355][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.543809][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.545533][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.548229][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.549498][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.551071][ T1795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.553479][ T4432] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.556076][ T4432] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.557433][ T4432] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.558747][ T4432] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.581249][ T1795] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.582684][ T1795] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.586598][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.590976][ T1795] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.592266][ T1795] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.594373][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.636768][ T4463] loop0: detected capacity change from 0 to 512 [ 52.649880][ T4463] [ 52.650297][ T4463] ====================================================== [ 52.651428][ T4463] WARNING: possible circular locking dependency detected [ 52.652534][ T4463] syzkaller #0 Not tainted [ 52.653245][ T4463] ------------------------------------------------------ [ 52.654312][ T4463] syz.0.17/4463 is trying to acquire lock: [ 52.655234][ T4463] ffff0000cfbccb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 52.656938][ T4463] [ 52.656938][ T4463] but task is already holding lock: [ 52.658057][ T4463] ffff0000e9ed4700 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.659665][ T4463] [ 52.659665][ T4463] which lock already depends on the new lock. [ 52.659665][ T4463] [ 52.661371][ T4463] [ 52.661371][ T4463] the existing dependency chain (in reverse order) is: [ 52.662786][ T4463] [ 52.662786][ T4463] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 52.664033][ T4463] down_read+0x64/0x304 [ 52.664800][ T4463] ext4_setattr+0x7c4/0x150c [ 52.665612][ T4463] notify_change+0xb0c/0xdcc [ 52.666331][ T4463] chown_common+0x414/0x574 [ 52.667194][ T4463] do_fchownat+0x158/0x268 [ 52.667980][ T4463] __arm64_sys_fchownat+0xb8/0xd4 [ 52.668907][ T4463] invoke_syscall+0x98/0x2bc [ 52.669706][ T4463] el0_svc_common+0x138/0x258 [ 52.670520][ T4463] do_el0_svc+0x58/0x13c [ 52.671242][ T4463] el0_svc+0x58/0x138 [ 52.672059][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.672961][ T4463] el0t_64_sync+0x18c/0x190 [ 52.673812][ T4463] [ 52.673812][ T4463] -> #1 (jbd2_handle){.+.+}-{0:0}: [ 52.675013][ T4463] start_this_handle+0xfe0/0x122c [ 52.675896][ T4463] jbd2__journal_start+0x288/0x51c [ 52.676836][ T4463] __ext4_journal_start_sb+0x2fc/0x674 [ 52.677752][ T4463] ext4_writepages+0xa28/0x284c [ 52.678710][ T4463] do_writepages+0x2c0/0x4fc [ 52.679569][ T4463] __writeback_single_inode+0x164/0x157c [ 52.680524][ T4463] writeback_sb_inodes+0x824/0x1404 [ 52.681400][ T4463] __writeback_inodes_wb+0x110/0x394 [ 52.682394][ T4463] wb_writeback+0x414/0xfb0 [ 52.683224][ T4463] wb_workfn+0xac0/0xd98 [ 52.683994][ T4463] process_one_work+0x7f4/0x13a8 [ 52.684848][ T4463] worker_thread+0x8c8/0xfbc [ 52.685679][ T4463] kthread+0x250/0x2d8 [ 52.686426][ T4463] ret_from_fork+0x10/0x20 [ 52.687193][ T4463] [ 52.687193][ T4463] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 52.688506][ T4463] __lock_acquire+0x293c/0x6544 [ 52.689370][ T4463] lock_acquire+0x20c/0x644 [ 52.690123][ T4463] percpu_down_read+0x70/0x2a8 [ 52.691002][ T4463] ext4_writepages+0x188/0x284c [ 52.691941][ T4463] do_writepages+0x2c0/0x4fc [ 52.692795][ T4463] __writeback_single_inode+0x164/0x157c [ 52.693803][ T4463] writeback_single_inode+0x1c0/0x720 [ 52.694780][ T4463] write_inode_now+0x144/0x1b0 [ 52.695711][ T4463] iput+0x5cc/0x7f4 [ 52.696423][ T4463] ext4_xattr_block_set+0x17a4/0x2810 [ 52.697441][ T4463] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.698467][ T4463] __ext4_expand_extra_isize+0x298/0x358 [ 52.699369][ T4463] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.700367][ T4463] ext4_evict_inode+0xb58/0x1270 [ 52.701204][ T4463] evict+0x3c8/0x810 [ 52.701889][ T4463] iput+0x764/0x7f4 [ 52.702554][ T4463] ext4_process_orphan+0x240/0x2b4 [ 52.703398][ T4463] ext4_orphan_cleanup+0x908/0x104c [ 52.704257][ T4463] ext4_fill_super+0x6920/0x6e34 [ 52.705100][ T4463] get_tree_bdev+0x358/0x544 [ 52.705891][ T4463] ext4_get_tree+0x28/0x38 [ 52.706683][ T4463] vfs_get_tree+0x90/0x274 [ 52.707456][ T4463] do_new_mount+0x228/0x810 [ 52.708242][ T4463] path_mount+0x5b4/0xe78 [ 52.708989][ T4463] __arm64_sys_mount+0x49c/0x584 [ 52.709775][ T4463] invoke_syscall+0x98/0x2bc [ 52.710565][ T4463] el0_svc_common+0x138/0x258 [ 52.711435][ T4463] do_el0_svc+0x58/0x13c [ 52.712275][ T4463] el0_svc+0x58/0x138 [ 52.713064][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.713985][ T4463] el0t_64_sync+0x18c/0x190 [ 52.714796][ T4463] [ 52.714796][ T4463] other info that might help us debug this: [ 52.714796][ T4463] [ 52.716466][ T4463] Chain exists of: [ 52.716466][ T4463] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 52.716466][ T4463] [ 52.718816][ T4463] Possible unsafe locking scenario: [ 52.718816][ T4463] [ 52.719959][ T4463] CPU0 CPU1 [ 52.720741][ T4463] ---- ---- [ 52.721563][ T4463] lock(&ei->xattr_sem); [ 52.722181][ T4463] lock(jbd2_handle); [ 52.723206][ T4463] lock(&ei->xattr_sem); [ 52.724236][ T4463] lock(&sbi->s_writepages_rwsem); [ 52.725059][ T4463] [ 52.725059][ T4463] *** DEADLOCK *** [ 52.725059][ T4463] [ 52.726366][ T4463] 3 locks held by syz.0.17/4463: [ 52.727185][ T4463] #0: ffff0000cfbca0e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 52.728747][ T4463] #1: ffff0000cfbca650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 52.730158][ T4463] #2: ffff0000e9ed4700 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.731965][ T4463] [ 52.731965][ T4463] stack backtrace: [ 52.732929][ T4463] CPU: 1 PID: 4463 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.734048][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.735627][ T4463] Call trace: [ 52.736134][ T4463] dump_backtrace+0x1c8/0x1f4 [ 52.736887][ T4463] show_stack+0x2c/0x3c [ 52.737521][ T4463] __dump_stack+0x30/0x40 [ 52.738220][ T4463] dump_stack_lvl+0xf8/0x160 [ 52.739028][ T4463] dump_stack+0x1c/0x5c [ 52.739744][ T4463] print_circular_bug+0x148/0x1b0 [ 52.740576][ T4463] check_noncircular+0x240/0x2d4 [ 52.741416][ T4463] __lock_acquire+0x293c/0x6544 [ 52.742184][ T4463] lock_acquire+0x20c/0x644 [ 52.742853][ T4463] percpu_down_read+0x70/0x2a8 [ 52.743554][ T4463] ext4_writepages+0x188/0x284c [ 52.744244][ T4463] do_writepages+0x2c0/0x4fc [ 52.744999][ T4463] __writeback_single_inode+0x164/0x157c [ 52.745909][ T4463] writeback_single_inode+0x1c0/0x720 [ 52.746792][ T4463] write_inode_now+0x144/0x1b0 [ 52.747526][ T4463] iput+0x5cc/0x7f4 [ 52.748197][ T4463] ext4_xattr_block_set+0x17a4/0x2810 [ 52.749060][ T4463] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.750041][ T4463] __ext4_expand_extra_isize+0x298/0x358 [ 52.750870][ T4463] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.751726][ T4463] ext4_evict_inode+0xb58/0x1270 [ 52.752493][ T4463] evict+0x3c8/0x810 [ 52.753091][ T4463] iput+0x764/0x7f4 [ 52.753719][ T4463] ext4_process_orphan+0x240/0x2b4 [ 52.754557][ T4463] ext4_orphan_cleanup+0x908/0x104c [ 52.755330][ T4463] ext4_fill_super+0x6920/0x6e34 [ 52.756109][ T4463] get_tree_bdev+0x358/0x544 [ 52.756827][ T4463] ext4_get_tree+0x28/0x38 [ 52.757484][ T4463] vfs_get_tree+0x90/0x274 [ 52.758208][ T4463] do_new_mount+0x228/0x810 [ 52.758925][ T4463] path_mount+0x5b4/0xe78 [ 52.759697][ T4463] __arm64_sys_mount+0x49c/0x584 [ 52.760526][ T4463] invoke_syscall+0x98/0x2bc [ 52.761243][ T4463] el0_svc_common+0x138/0x258 [ 52.761974][ T4463] do_el0_svc+0x58/0x13c [ 52.762670][ T4463] el0_svc+0x58/0x138 [ 52.763273][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.764062][ T4463] el0t_64_sync+0x18c/0x190 [ 52.765456][ T4463] ------------[ cut here ]------------ [ 52.766344][ T4463] EA inode 11 i_nlink=2 [ 52.766408][ T4463] WARNING: CPU: 1 PID: 4463 at fs/ext4/xattr.c:1021 ext4_xattr_inode_update_ref+0x468/0x4ac [ 52.768512][ T4463] Modules linked in: [ 52.769152][ T4463] CPU: 1 PID: 4463 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.770244][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.771872][ T4463] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.773056][ T4463] pc : ext4_xattr_inode_update_ref+0x468/0x4ac [ 52.774014][ T4463] lr : ext4_xattr_inode_update_ref+0x464/0x4ac [ 52.775060][ T4463] sp : ffff800020f26e80 [ 52.775737][ T4463] x29: ffff800020f26f00 x28: 0000000000000000 x27: dfff800000000000 [ 52.777126][ T4463] x26: 1fffe0001d3dad1f x25: ffff7000041e4dd0 x24: 0000000000000000 [ 52.778343][ T4463] x23: ffff800017a8b000 x22: ffff800020f26e80 x21: 0000000000000002 [ 52.779554][ T4463] x20: 0000000000000001 x19: ffff0000e9ed6700 x18: ffff800011abbcc0 [ 52.780907][ T4463] x17: 0000000000000000 x16: ffff800008042c8c x15: 0000000000000000 [ 52.782277][ T4463] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 52.783565][ T4463] x11: ff00800008191ca8 x10: 0000000000000000 x9 : d95b71c66b01c300 [ 52.784852][ T4463] x8 : d95b71c66b01c300 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.786228][ T4463] x5 : ffff800020f26918 x4 : ffff8000151a4820 x3 : ffff800008311d00 [ 52.787606][ T4463] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 52.788997][ T4463] Call trace: [ 52.789517][ T4463] ext4_xattr_inode_update_ref+0x468/0x4ac [ 52.790426][ T4463] ext4_xattr_set_entry+0x918/0x15ac [ 52.791279][ T4463] ext4_xattr_ibody_set+0x204/0x600 [ 52.792150][ T4463] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 52.793151][ T4463] __ext4_expand_extra_isize+0x298/0x358 [ 52.794130][ T4463] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.795014][ T4463] ext4_evict_inode+0xb58/0x1270 [ 52.795828][ T4463] evict+0x3c8/0x810 [ 52.796468][ T4463] iput+0x764/0x7f4 [ 52.797083][ T4463] ext4_process_orphan+0x240/0x2b4 [ 52.797972][ T4463] ext4_orphan_cleanup+0x908/0x104c [ 52.798757][ T4463] ext4_fill_super+0x6920/0x6e34 [ 52.799625][ T4463] get_tree_bdev+0x358/0x544 [ 52.800432][ T4463] ext4_get_tree+0x28/0x38 [ 52.801175][ T4463] vfs_get_tree+0x90/0x274 [ 52.801842][ T4463] do_new_mount+0x228/0x810 [ 52.802519][ T4463] path_mount+0x5b4/0xe78 [ 52.803227][ T4463] __arm64_sys_mount+0x49c/0x584 [ 52.803990][ T4463] invoke_syscall+0x98/0x2bc [ 52.804697][ T4463] el0_svc_common+0x138/0x258 [ 52.805466][ T4463] do_el0_svc+0x58/0x13c [ 52.806112][ T4463] el0_svc+0x58/0x138 [ 52.806769][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.807613][ T4463] el0t_64_sync+0x18c/0x190 [ 52.808321][ T4463] irq event stamp: 4397 [ 52.808935][ T4463] hardirqs last enabled at (4397): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 52.810454][ T4463] hardirqs last disabled at (4396): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 52.811988][ T4463] softirqs last enabled at (3018): [] handle_softirqs+0xaf8/0xc6c [ 52.813500][ T4463] softirqs last disabled at (2907): [] __do_softirq+0x14/0x20 [ 52.814921][ T4463] ---[ end trace 0000000000000000 ]--- [ 52.816471][ T4463] EXT4-fs (loop0): 1 orphan inode deleted [ 52.817357][ T4463] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 52.824176][ T4432] EXT4-fs (loop0): unmounting filesystem.