Warning: Permanently added '10.128.0.215' (ED25519) to the list of known hosts. 1970/01/01 00:00:28 parsed 1 programs [ 29.172638][ T4327] cgroup: Unknown subsys name 'net' [ 29.385014][ T4327] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.665731][ T4327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.472637][ T4362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.474290][ T4362] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.475637][ T4362] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.477168][ T4362] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.478482][ T4362] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 35.479625][ T4362] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.838054][ T4378] chnl_net:caif_netlink_parms(): no params data found [ 35.855765][ T4378] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.856954][ T4378] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.858432][ T4378] device bridge_slave_0 entered promiscuous mode [ 35.860778][ T4378] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.861789][ T4378] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.864040][ T4378] device bridge_slave_1 entered promiscuous mode [ 35.871740][ T4378] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.874798][ T4378] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.881599][ T4378] team0: Port device team_slave_0 added [ 35.884117][ T4378] team0: Port device team_slave_1 added [ 35.890331][ T4378] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.891315][ T4378] 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. [ 35.895159][ T4378] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.897615][ T4378] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.898564][ T4378] 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. [ 35.902197][ T4378] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.943543][ T4378] device hsr_slave_0 entered promiscuous mode [ 35.982365][ T4378] device hsr_slave_1 entered promiscuous mode [ 36.076915][ T4378] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.093928][ T4378] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.133280][ T4378] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.183839][ T4378] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.250847][ T4378] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.252092][ T4378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.253448][ T4378] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.254507][ T4378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.271397][ T4378] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.275501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.277823][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.279360][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.294951][ T4378] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.298740][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.300200][ T1814] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.301294][ T1814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.304443][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.305826][ T1814] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.306934][ T1814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.313832][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.315412][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.319484][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.322650][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.325750][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.328116][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.381180][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.385589][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.396495][ T4378] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.403552][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.408936][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.410794][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.412627][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.415091][ T4378] device veth0_vlan entered promiscuous mode [ 36.418001][ T4378] device veth1_vlan entered promiscuous mode [ 36.425008][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.426545][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.428280][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.430464][ T4378] device veth0_macvtap entered promiscuous mode [ 36.433382][ T4378] device veth1_macvtap entered promiscuous mode [ 36.438258][ T4378] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.439479][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.441306][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.457439][ T4378] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.459649][ T4378] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.461030][ T4378] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.463207][ T4378] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.464453][ T4378] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.466579][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.577592][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.578872][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.581990][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.587735][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.588924][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.590679][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:37 executed programs: 0 [ 37.279668][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.281322][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.283145][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.284601][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.286488][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.287634][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.454424][ T1661] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.497644][ T4435] chnl_net:caif_netlink_parms(): no params data found [ 37.512077][ T4435] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.513296][ T4435] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.514792][ T4435] device bridge_slave_0 entered promiscuous mode [ 37.517041][ T4435] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.518166][ T4435] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.519734][ T4435] device bridge_slave_1 entered promiscuous mode [ 37.528461][ T4435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.530856][ T4435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.542636][ T4435] team0: Port device team_slave_0 added [ 37.544498][ T4435] team0: Port device team_slave_1 added [ 37.551541][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.552795][ T4435] 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. [ 37.556617][ T4435] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.558876][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.559888][ T4435] 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. [ 37.563885][ T4435] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.603530][ T4435] device hsr_slave_0 entered promiscuous mode [ 37.652374][ T4435] device hsr_slave_1 entered promiscuous mode [ 37.692236][ T4435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 37.693613][ T4435] Cannot create hsr debugfs directory [ 39.302501][ T4362] Bluetooth: hci0: command 0x0409 tx timeout [ 39.693364][ T1661] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.372641][ T4362] Bluetooth: hci0: command 0x041b tx timeout [ 41.733295][ T1661] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.824372][ T1661] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.004296][ T4435] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.114451][ T4435] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.143329][ T4435] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.224014][ T4435] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.325462][ T4435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.329592][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.330960][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.334744][ T4435] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.337989][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.339461][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.341480][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.342651][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.344645][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.346872][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.348416][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.349922][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.350977][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.353906][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.356079][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.358718][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.360646][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.364048][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.366959][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.368577][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.371968][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.374518][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.452204][ T4362] Bluetooth: hci0: command 0x040f tx timeout [ 43.757466][ T4435] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.759431][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.760883][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.762837][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.819379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.820685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.823422][ T4435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.829033][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.830662][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.837702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.839241][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.840800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.843185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.845462][ T4435] device veth0_vlan entered promiscuous mode [ 43.848373][ T4435] device veth1_vlan entered promiscuous mode [ 44.188629][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.190192][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.191522][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.193431][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.195627][ T4435] device veth0_macvtap entered promiscuous mode [ 44.198333][ T4435] device veth1_macvtap entered promiscuous mode [ 44.202708][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.204332][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.206321][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.207453][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.209016][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.210419][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.211937][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.214506][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.216098][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.218102][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.219270][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.220872][ T1814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.286215][ T4435] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.287634][ T4435] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.288890][ T4435] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.290186][ T4435] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.296283][ T1661] device hsr_slave_0 left promiscuous mode [ 44.342687][ T1661] device hsr_slave_1 left promiscuous mode [ 44.452298][ T1661] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 44.453534][ T1661] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 44.455257][ T1661] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 44.456409][ T1661] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 44.457771][ T1661] device bridge_slave_1 left promiscuous mode [ 44.459293][ T1661] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.513380][ T1661] device bridge_slave_0 left promiscuous mode [ 44.514649][ T1661] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.642412][ T1661] device veth1_macvtap left promiscuous mode [ 44.643459][ T1661] device veth0_macvtap left promiscuous mode [ 44.644615][ T1661] device veth1_vlan left promiscuous mode [ 44.645489][ T1661] device veth0_vlan left promiscuous mode [ 45.532190][ T4362] Bluetooth: hci0: command 0x0419 tx timeout [ 46.483369][ T1661] team0 (unregistering): Port device team_slave_1 removed [ 46.663609][ T1661] team0 (unregistering): Port device team_slave_0 removed [ 46.882648][ T1661] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 47.113453][ T1661] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.624206][ T1661] bond0 (unregistering): Released all slaves [ 49.852756][ T381] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.853904][ T381] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.861255][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.866312][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.867565][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.869150][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.904832][ T4526] loop0: detected capacity change from 0 to 512 [ 49.918494][ T4526] [ 49.918917][ T4526] ====================================================== [ 49.919858][ T4526] WARNING: possible circular locking dependency detected [ 49.920876][ T4526] syzkaller #0 Not tainted [ 49.921566][ T4526] ------------------------------------------------------ [ 49.922591][ T4526] syz.0.17/4526 is trying to acquire lock: [ 49.923486][ T4526] ffff0000cd406b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 49.925024][ T4526] [ 49.925024][ T4526] but task is already holding lock: [ 49.926125][ T4526] ffff0000e912e518 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 49.927649][ T4526] [ 49.927649][ T4526] which lock already depends on the new lock. [ 49.927649][ T4526] [ 49.929188][ T4526] [ 49.929188][ T4526] the existing dependency chain (in reverse order) is: [ 49.930563][ T4526] [ 49.930563][ T4526] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 49.931910][ T4526] down_read+0x64/0x304 [ 49.932653][ T4526] ext4_setattr+0x7c4/0x150c [ 49.933446][ T4526] notify_change+0xb0c/0xdcc [ 49.934222][ T4526] chown_common+0x414/0x574 [ 49.935012][ T4526] do_fchownat+0x158/0x268 [ 49.935809][ T4526] __arm64_sys_fchownat+0xb8/0xd4 [ 49.936688][ T4526] invoke_syscall+0x98/0x2bc [ 49.937574][ T4526] el0_svc_common+0x138/0x258 [ 49.938436][ T4526] do_el0_svc+0x58/0x13c [ 49.939186][ T4526] el0_svc+0x58/0x138 [ 49.939857][ T4526] el0t_64_sync_handler+0x84/0xf0 [ 49.940741][ T4526] el0t_64_sync+0x18c/0x190 [ 49.941496][ T4526] [ 49.941496][ T4526] -> #1 (jbd2_handle){++++}-{0:0}: [ 49.942607][ T4526] start_this_handle+0xfe0/0x122c [ 49.943458][ T4526] jbd2__journal_start+0x288/0x51c [ 49.944341][ T4526] __ext4_journal_start_sb+0x2fc/0x674 [ 49.945208][ T4526] ext4_writepages+0xa28/0x284c [ 49.945988][ T4526] do_writepages+0x2c0/0x4fc [ 49.946757][ T4526] __writeback_single_inode+0x164/0x157c [ 49.947692][ T4526] writeback_sb_inodes+0x824/0x1404 [ 49.948533][ T4526] __writeback_inodes_wb+0x110/0x394 [ 49.949408][ T4526] wb_writeback+0x414/0xfb0 [ 49.950138][ T4526] wb_workfn+0xac0/0xd98 [ 49.950866][ T4526] process_one_work+0x7f4/0x13a8 [ 49.951664][ T4526] worker_thread+0x8c8/0xfbc [ 49.952406][ T4526] kthread+0x250/0x2d8 [ 49.953137][ T4526] ret_from_fork+0x10/0x20 [ 49.953852][ T4526] [ 49.953852][ T4526] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 49.955070][ T4526] __lock_acquire+0x293c/0x6544 [ 49.955903][ T4526] lock_acquire+0x20c/0x644 [ 49.956642][ T4526] percpu_down_read+0x70/0x2a8 [ 49.957458][ T4526] ext4_writepages+0x188/0x284c [ 49.958255][ T4526] do_writepages+0x2c0/0x4fc [ 49.959028][ T4526] __writeback_single_inode+0x164/0x157c [ 49.959952][ T4526] writeback_single_inode+0x1c0/0x720 [ 49.960797][ T4526] write_inode_now+0x144/0x1b0 [ 49.961586][ T4526] iput+0x5cc/0x7f4 [ 49.962286][ T4526] ext4_xattr_block_set+0x17a4/0x2810 [ 49.963129][ T4526] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 49.963934][ T4526] __ext4_expand_extra_isize+0x298/0x358 [ 49.964732][ T4526] __ext4_mark_inode_dirty+0x3e4/0x790 [ 49.965594][ T4526] ext4_evict_inode+0xb58/0x1270 [ 49.966391][ T4526] evict+0x3c8/0x810 [ 49.967054][ T4526] iput+0x764/0x7f4 [ 49.967647][ T4526] ext4_process_orphan+0x240/0x2b4 [ 49.968423][ T4526] ext4_orphan_cleanup+0x908/0x104c [ 49.969203][ T4526] ext4_fill_super+0x6440/0x68a8 [ 49.969977][ T4526] get_tree_bdev+0x358/0x544 [ 49.970851][ T4526] ext4_get_tree+0x28/0x38 [ 49.971669][ T4526] vfs_get_tree+0x90/0x274 [ 49.972451][ T4526] do_new_mount+0x228/0x810 [ 49.973205][ T4526] path_mount+0x5b4/0xe78 [ 49.973954][ T4526] __arm64_sys_mount+0x49c/0x584 [ 49.974774][ T4526] invoke_syscall+0x98/0x2bc [ 49.975524][ T4526] el0_svc_common+0x138/0x258 [ 49.976311][ T4526] do_el0_svc+0x58/0x13c [ 49.977083][ T4526] el0_svc+0x58/0x138 [ 49.977761][ T4526] el0t_64_sync_handler+0x84/0xf0 [ 49.978597][ T4526] el0t_64_sync+0x18c/0x190 [ 49.979349][ T4526] [ 49.979349][ T4526] other info that might help us debug this: [ 49.979349][ T4526] [ 49.980840][ T4526] Chain exists of: [ 49.980840][ T4526] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 49.980840][ T4526] [ 49.982917][ T4526] Possible unsafe locking scenario: [ 49.982917][ T4526] [ 49.984032][ T4526] CPU0 CPU1 [ 49.984844][ T4526] ---- ---- [ 49.985674][ T4526] lock(&ei->xattr_sem); [ 49.986324][ T4526] lock(jbd2_handle); [ 49.987316][ T4526] lock(&ei->xattr_sem); [ 49.988352][ T4526] lock(&sbi->s_writepages_rwsem); [ 49.989130][ T4526] [ 49.989130][ T4526] *** DEADLOCK *** [ 49.989130][ T4526] [ 49.990248][ T4526] 3 locks held by syz.0.17/4526: [ 49.990969][ T4526] #0: ffff0000cd4040e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 49.992432][ T4526] #1: ffff0000cd404650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 49.993765][ T4526] #2: ffff0000e912e518 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 49.995423][ T4526] [ 49.995423][ T4526] stack backtrace: [ 49.996303][ T4526] CPU: 1 PID: 4526 Comm: syz.0.17 Not tainted syzkaller #0 [ 49.997379][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.998829][ T4526] Call trace: [ 49.999376][ T4526] dump_backtrace+0x1c8/0x1f4 [ 50.000144][ T4526] show_stack+0x2c/0x3c [ 50.000805][ T4526] __dump_stack+0x30/0x40 [ 50.001476][ T4526] dump_stack_lvl+0xf8/0x160 [ 50.002208][ T4526] dump_stack+0x1c/0x5c [ 50.002832][ T4526] print_circular_bug+0x148/0x1b0 [ 50.003603][ T4526] check_noncircular+0x240/0x2d4 [ 50.004374][ T4526] __lock_acquire+0x293c/0x6544 [ 50.005103][ T4526] lock_acquire+0x20c/0x644 [ 50.005732][ T4526] percpu_down_read+0x70/0x2a8 [ 50.006424][ T4526] ext4_writepages+0x188/0x284c [ 50.007150][ T4526] do_writepages+0x2c0/0x4fc [ 50.007828][ T4526] __writeback_single_inode+0x164/0x157c [ 50.008629][ T4526] writeback_single_inode+0x1c0/0x720 [ 50.009464][ T4526] write_inode_now+0x144/0x1b0 [ 50.010159][ T4526] iput+0x5cc/0x7f4 [ 50.010683][ T4526] ext4_xattr_block_set+0x17a4/0x2810 [ 50.011454][ T4526] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 50.012332][ T4526] __ext4_expand_extra_isize+0x298/0x358 [ 50.013148][ T4526] __ext4_mark_inode_dirty+0x3e4/0x790 [ 50.013977][ T4526] ext4_evict_inode+0xb58/0x1270 [ 50.014661][ T4526] evict+0x3c8/0x810 [ 50.015252][ T4526] iput+0x764/0x7f4 [ 50.015834][ T4526] ext4_process_orphan+0x240/0x2b4 [ 50.016635][ T4526] ext4_orphan_cleanup+0x908/0x104c [ 50.017466][ T4526] ext4_fill_super+0x6440/0x68a8 [ 50.018215][ T4526] get_tree_bdev+0x358/0x544 [ 50.018921][ T4526] ext4_get_tree+0x28/0x38 [ 50.019593][ T4526] vfs_get_tree+0x90/0x274 [ 50.020262][ T4526] do_new_mount+0x228/0x810 [ 50.020999][ T4526] path_mount+0x5b4/0xe78 [ 50.021672][ T4526] __arm64_sys_mount+0x49c/0x584 [ 50.022417][ T4526] invoke_syscall+0x98/0x2bc [ 50.023104][ T4526] el0_svc_common+0x138/0x258 [ 50.023867][ T4526] do_el0_svc+0x58/0x13c [ 50.024481][ T4526] el0_svc+0x58/0x138 [ 50.025095][ T4526] el0t_64_sync_handler+0x84/0xf0 [ 50.025864][ T4526] el0t_64_sync+0x18c/0x190 [ 50.028112][ T4526] ------------[ cut here ]------------ [ 50.028949][ T4526] EA inode 11 i_nlink=2 [ 50.029021][ T4526] WARNING: CPU: 1 PID: 4526 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 [ 50.031216][ T4526] Modules linked in: [ 50.031797][ T4526] CPU: 1 PID: 4526 Comm: syz.0.17 Not tainted syzkaller #0 [ 50.032958][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.034553][ T4526] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.035866][ T4526] pc : ext4_xattr_inode_update_ref+0x42c/0x470 [ 50.036858][ T4526] lr : ext4_xattr_inode_update_ref+0x42c/0x470 [ 50.037818][ T4526] sp : ffff800020f36e00 [ 50.038447][ T4526] x29: ffff800020f36ea0 x28: 0000000000000000 x27: dfff800000000000 [ 50.039703][ T4526] x26: 1fffe0001d2711d6 x25: ffff7000041e6dc4 x24: 0000000000000000 [ 50.040904][ T4526] x23: ffff800017a8a000 x22: ffff0000e9388cf8 x21: 0000000000000002 [ 50.042148][ T4526] x20: 0000000000000001 x19: ffff0000e9388cb8 x18: ffff800011abbcc0 [ 50.043399][ T4526] x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 [ 50.044613][ T4526] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 50.045822][ T4526] x11: ff00800008191ca8 x10: 0000000000000000 x9 : bad29364e2468300 [ 50.047017][ T4526] x8 : bad29364e2468300 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.048266][ T4526] x5 : ffff800020f36898 x4 : ffff8000151a4920 x3 : ffff800008311fcc [ 50.049491][ T4526] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 50.050669][ T4526] Call trace: [ 50.051194][ T4526] ext4_xattr_inode_update_ref+0x42c/0x470 [ 50.052073][ T4526] ext4_xattr_set_entry+0x918/0x15ac [ 50.052894][ T4526] ext4_xattr_ibody_set+0x204/0x600 [ 50.053742][ T4526] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 50.054623][ T4526] __ext4_expand_extra_isize+0x298/0x358 [ 50.055505][ T4526] __ext4_mark_inode_dirty+0x3e4/0x790 [ 50.056317][ T4526] ext4_evict_inode+0xb58/0x1270 [ 50.057054][ T4526] evict+0x3c8/0x810 [ 50.057621][ T4526] iput+0x764/0x7f4 [ 50.058222][ T4526] ext4_process_orphan+0x240/0x2b4 [ 50.058944][ T4526] ext4_orphan_cleanup+0x908/0x104c [ 50.059686][ T4526] ext4_fill_super+0x6440/0x68a8 [ 50.060387][ T4526] get_tree_bdev+0x358/0x544 [ 50.061042][ T4526] ext4_get_tree+0x28/0x38 [ 50.061701][ T4526] vfs_get_tree+0x90/0x274 [ 50.062285][ T4526] do_new_mount+0x228/0x810 [ 50.062917][ T4526] path_mount+0x5b4/0xe78 [ 50.063573][ T4526] __arm64_sys_mount+0x49c/0x584 [ 50.064363][ T4526] invoke_syscall+0x98/0x2bc [ 50.065032][ T4526] el0_svc_common+0x138/0x258 [ 50.065746][ T4526] do_el0_svc+0x58/0x13c [ 50.066411][ T4526] el0_svc+0x58/0x138 [ 50.067034][ T4526] el0t_64_sync_handler+0x84/0xf0 [ 50.067841][ T4526] el0t_64_sync+0x18c/0x190 [ 50.068541][ T4526] irq event stamp: 5241 [ 50.069192][ T4526] hardirqs last enabled at (5241): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 50.070768][ T4526] hardirqs last disabled at (5240): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 50.072145][ T4526] softirqs last enabled at (3668): [] local_bh_enable+0x10/0x34 [ 50.073549][ T4526] softirqs last disabled at (3666): [] local_bh_disable+0x10/0x34 [ 50.074944][ T4526] ---[ end trace 0000000000000000 ]--- [ 50.076244][ T4526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 50.078379][ T4526] EXT4-fs (loop0): Remounting filesystem read-only [ 50.079364][ T4526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 50.081250][ T4526] EXT4-fs (loop0): Remounting filesystem read-only [ 50.082283][ T4526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 50.084266][ T4526] EXT4-fs (loop0): Remounting filesystem read-only [ 50.085228][ T4526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 50.087287][ T4526] EXT4-fs (loop0): Remounting filesystem read-only [ 50.088230][ T4526] EXT4-fs (loop0): 1 orphan inode deleted [ 50.089101][ T4526] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 50.101840][ T4435] EXT4-fs (loop0): unmounting filesystem.