Warning: Permanently added '10.128.0.125' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs [ 33.596858][ T4326] cgroup: Unknown subsys name 'net' [ 33.807007][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.073128][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.862803][ T4332] chnl_net:caif_netlink_parms(): no params data found [ 36.879865][ T4332] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.881161][ T4332] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.882654][ T4332] device bridge_slave_0 entered promiscuous mode [ 36.885688][ T4332] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.886948][ T4332] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.888360][ T4332] device bridge_slave_1 entered promiscuous mode [ 36.895766][ T4332] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.898020][ T4332] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.905308][ T4332] team0: Port device team_slave_0 added [ 36.907113][ T4332] team0: Port device team_slave_1 added [ 36.912559][ T4332] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.913702][ T4332] 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. [ 36.917775][ T4332] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.920456][ T4332] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.921548][ T4332] 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. [ 36.925486][ T4332] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.975617][ T4332] device hsr_slave_0 entered promiscuous mode [ 37.034659][ T4332] device hsr_slave_1 entered promiscuous mode [ 37.117838][ T4332] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.155697][ T4332] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.195657][ T4332] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.235647][ T4332] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.283244][ T4332] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.284476][ T4332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.285911][ T4332] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.287111][ T4332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.302990][ T4332] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.306772][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.309152][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.311067][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.312758][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.316912][ T4332] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.319977][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.321528][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.322653][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.327299][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.328883][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.329965][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.337028][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.339408][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.342169][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.345784][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.348473][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.350639][ T4332] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.400470][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.401771][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.405119][ T4332] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.410498][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.417142][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.418854][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.420385][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.422592][ T4332] device veth0_vlan entered promiscuous mode [ 37.426020][ T4332] device veth1_vlan entered promiscuous mode [ 37.432040][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.433567][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.435446][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.438373][ T4332] device veth0_macvtap entered promiscuous mode [ 37.440641][ T4332] device veth1_macvtap entered promiscuous mode [ 37.448041][ T4332] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.449240][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.451310][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.453979][ T4332] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.455944][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.458424][ T4332] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.459652][ T4332] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.460907][ T4332] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.462221][ T4332] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.815474][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.259224][ T4383] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.261131][ T4383] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.262505][ T4383] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.263967][ T4383] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.266505][ T4383] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.267703][ T4383] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.426466][ T4377] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.427690][ T4377] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.429301][ T496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.440434][ T496] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.441732][ T496] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.443284][ T496] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:38 executed programs: 0 [ 38.963216][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.965194][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.966939][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.968450][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.969714][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.970897][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.015295][ T4419] chnl_net:caif_netlink_parms(): no params data found [ 39.030848][ T4419] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.032171][ T4419] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.033657][ T4419] device bridge_slave_0 entered promiscuous mode [ 39.037610][ T4419] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.038806][ T4419] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.040295][ T4419] device bridge_slave_1 entered promiscuous mode [ 39.048976][ T4419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.051323][ T4419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.058397][ T4419] team0: Port device team_slave_0 added [ 39.060119][ T4419] team0: Port device team_slave_1 added [ 39.067298][ T4419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.068392][ T4419] 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. [ 39.072156][ T4419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.074528][ T4419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.075650][ T4419] 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. [ 39.079675][ T4419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.135463][ T4419] device hsr_slave_0 entered promiscuous mode [ 39.174611][ T4419] device hsr_slave_1 entered promiscuous mode [ 39.214476][ T4419] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.215824][ T4419] Cannot create hsr debugfs directory [ 40.575557][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.034758][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.025534][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.115081][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 43.126511][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.025357][ T4419] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.075720][ T4419] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.176920][ T4419] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.215891][ T4419] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.326215][ T4419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.329763][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.331416][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.335126][ T4419] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.368025][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.369735][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.371422][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.372522][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.374000][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.376752][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.378323][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.380221][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.381398][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.383866][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.386901][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.389528][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.391353][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.392985][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.396095][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.397765][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.400365][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.401956][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.405798][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.407414][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.458083][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.497778][ T39] device hsr_slave_0 left promiscuous mode [ 44.525738][ T39] device hsr_slave_1 left promiscuous mode [ 44.634512][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 44.635744][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 44.637232][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 44.638418][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 44.639853][ T39] device bridge_slave_1 left promiscuous mode [ 44.641308][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.675168][ T39] device bridge_slave_0 left promiscuous mode [ 44.676565][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.804732][ T39] device veth1_macvtap left promiscuous mode [ 44.805840][ T39] device veth0_macvtap left promiscuous mode [ 44.806807][ T39] device veth1_vlan left promiscuous mode [ 44.807787][ T39] device veth0_vlan left promiscuous mode [ 45.194540][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 46.685760][ T39] team0 (unregistering): Port device team_slave_1 removed [ 46.845122][ T39] team0 (unregistering): Port device team_slave_0 removed [ 47.015917][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 47.204989][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 47.274447][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.836074][ T39] bond0 (unregistering): Released all slaves [ 50.051088][ T4419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.055053][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.056372][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.060960][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.062621][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.070429][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.072013][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.073608][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.075922][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.079684][ T4419] device veth0_vlan entered promiscuous mode [ 50.082758][ T4419] device veth1_vlan entered promiscuous mode [ 50.088921][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.090345][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.091812][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.093252][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.097152][ T4419] device veth0_macvtap entered promiscuous mode [ 50.100379][ T4419] device veth1_macvtap entered promiscuous mode [ 50.105237][ T4419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.106421][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.107967][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.109431][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.110947][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.113570][ T4419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.115327][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.117034][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.119321][ T4419] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.120690][ T4419] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.122092][ T4419] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.123481][ T4419] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.142788][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.144118][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.146098][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.152753][ T250] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.154096][ T250] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.159111][ T250] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.194756][ T4515] loop0: detected capacity change from 0 to 512 [ 50.206855][ T4515] [ 50.207280][ T4515] ====================================================== [ 50.208370][ T4515] WARNING: possible circular locking dependency detected [ 50.209477][ T4515] syzkaller #0 Not tainted [ 50.210121][ T4515] ------------------------------------------------------ [ 50.211172][ T4515] syz.0.17/4515 is trying to acquire lock: [ 50.212076][ T4515] ffff0000dc356b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 50.213542][ T4515] [ 50.213542][ T4515] but task is already holding lock: [ 50.214671][ T4515] ffff0000e9b79ee0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 50.216230][ T4515] [ 50.216230][ T4515] which lock already depends on the new lock. [ 50.216230][ T4515] [ 50.217784][ T4515] [ 50.217784][ T4515] the existing dependency chain (in reverse order) is: [ 50.219138][ T4515] [ 50.219138][ T4515] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 50.220287][ T4515] down_read+0x64/0x304 [ 50.220998][ T4515] ext4_setattr+0x7c4/0x150c [ 50.221750][ T4515] notify_change+0xb0c/0xdcc [ 50.222514][ T4515] chown_common+0x414/0x574 [ 50.223284][ T4515] do_fchownat+0x158/0x268 [ 50.224012][ T4515] __arm64_sys_fchownat+0xb8/0xd4 [ 50.224842][ T4515] invoke_syscall+0x98/0x2bc [ 50.225645][ T4515] el0_svc_common+0x138/0x258 [ 50.226416][ T4515] do_el0_svc+0x58/0x13c [ 50.227151][ T4515] el0_svc+0x58/0x138 [ 50.227853][ T4515] el0t_64_sync_handler+0x84/0xf0 [ 50.228740][ T4515] el0t_64_sync+0x18c/0x190 [ 50.229627][ T4515] [ 50.229627][ T4515] -> #1 (jbd2_handle){++++}-{0:0}: [ 50.230846][ T4515] start_this_handle+0xfe0/0x122c [ 50.231749][ T4515] jbd2__journal_start+0x288/0x51c [ 50.232645][ T4515] __ext4_journal_start_sb+0x2fc/0x674 [ 50.233621][ T4515] ext4_writepages+0xa28/0x284c [ 50.234480][ T4515] do_writepages+0x2c0/0x4fc [ 50.235283][ T4515] __writeback_single_inode+0x164/0x157c [ 50.236225][ T4515] writeback_sb_inodes+0x824/0x1404 [ 50.237109][ T4515] __writeback_inodes_wb+0x110/0x394 [ 50.238040][ T4515] wb_writeback+0x414/0xfb0 [ 50.238838][ T4515] wb_workfn+0xac0/0xd98 [ 50.239585][ T4515] process_one_work+0x7f4/0x13a8 [ 50.240398][ T4515] worker_thread+0x8c8/0xfbc [ 50.241208][ T4515] kthread+0x250/0x2d8 [ 50.241943][ T4515] ret_from_fork+0x10/0x20 [ 50.242700][ T4515] [ 50.242700][ T4515] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 50.244074][ T4515] __lock_acquire+0x293c/0x6544 [ 50.244985][ T4515] lock_acquire+0x20c/0x644 [ 50.245837][ T4515] percpu_down_read+0x70/0x2a8 [ 50.246680][ T4515] ext4_writepages+0x188/0x284c [ 50.247540][ T4515] do_writepages+0x2c0/0x4fc [ 50.248337][ T4515] __writeback_single_inode+0x164/0x157c [ 50.249238][ T4515] writeback_single_inode+0x1c0/0x720 [ 50.250117][ T4515] write_inode_now+0x144/0x1b0 [ 50.250965][ T4515] iput+0x5cc/0x7f4 [ 50.251589][ T4515] ext4_xattr_block_set+0x17a4/0x2810 [ 50.252541][ T4515] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 50.253510][ T4515] __ext4_expand_extra_isize+0x298/0x358 [ 50.254484][ T4515] __ext4_mark_inode_dirty+0x3e4/0x790 [ 50.255421][ T4515] ext4_evict_inode+0xb58/0x1270 [ 50.256182][ T4515] evict+0x3c8/0x810 [ 50.256842][ T4515] iput+0x764/0x7f4 [ 50.257480][ T4515] ext4_process_orphan+0x240/0x2b4 [ 50.258369][ T4515] ext4_orphan_cleanup+0x908/0x104c [ 50.259239][ T4515] ext4_fill_super+0x6440/0x68a8 [ 50.260065][ T4515] get_tree_bdev+0x358/0x544 [ 50.260829][ T4515] ext4_get_tree+0x28/0x38 [ 50.261542][ T4515] vfs_get_tree+0x90/0x274 [ 50.262270][ T4515] do_new_mount+0x228/0x810 [ 50.263111][ T4515] path_mount+0x5b4/0xe78 [ 50.263915][ T4515] __arm64_sys_mount+0x49c/0x584 [ 50.264815][ T4515] invoke_syscall+0x98/0x2bc [ 50.265631][ T4515] el0_svc_common+0x138/0x258 [ 50.266516][ T4515] do_el0_svc+0x58/0x13c [ 50.267298][ T4515] el0_svc+0x58/0x138 [ 50.268004][ T4515] el0t_64_sync_handler+0x84/0xf0 [ 50.268786][ T4515] el0t_64_sync+0x18c/0x190 [ 50.269568][ T4515] [ 50.269568][ T4515] other info that might help us debug this: [ 50.269568][ T4515] [ 50.271099][ T4515] Chain exists of: [ 50.271099][ T4515] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 50.271099][ T4515] [ 50.273159][ T4515] Possible unsafe locking scenario: [ 50.273159][ T4515] [ 50.274224][ T4515] CPU0 CPU1 [ 50.275146][ T4515] ---- ---- [ 50.275996][ T4515] lock(&ei->xattr_sem); [ 50.276702][ T4515] lock(jbd2_handle); [ 50.277806][ T4515] lock(&ei->xattr_sem); [ 50.278929][ T4515] lock(&sbi->s_writepages_rwsem); [ 50.279755][ T4515] [ 50.279755][ T4515] *** DEADLOCK *** [ 50.279755][ T4515] [ 50.281069][ T4515] 3 locks held by syz.0.17/4515: [ 50.281872][ T4515] #0: ffff0000dc3540e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 50.283493][ T4515] #1: ffff0000dc354650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 50.284960][ T4515] #2: ffff0000e9b79ee0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 50.286610][ T4515] [ 50.286610][ T4515] stack backtrace: [ 50.287611][ T4515] CPU: 1 PID: 4515 Comm: syz.0.17 Not tainted syzkaller #0 [ 50.288753][ T4515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.290293][ T4515] Call trace: [ 50.290798][ T4515] dump_backtrace+0x1c8/0x1f4 [ 50.291526][ T4515] show_stack+0x2c/0x3c [ 50.292157][ T4515] __dump_stack+0x30/0x40 [ 50.292839][ T4515] dump_stack_lvl+0xf8/0x160 [ 50.293527][ T4515] dump_stack+0x1c/0x5c [ 50.294177][ T4515] print_circular_bug+0x148/0x1b0 [ 50.294918][ T4515] check_noncircular+0x240/0x2d4 [ 50.295683][ T4515] __lock_acquire+0x293c/0x6544 [ 50.296446][ T4515] lock_acquire+0x20c/0x644 [ 50.297246][ T4515] percpu_down_read+0x70/0x2a8 [ 50.298054][ T4515] ext4_writepages+0x188/0x284c [ 50.298858][ T4515] do_writepages+0x2c0/0x4fc [ 50.299660][ T4515] __writeback_single_inode+0x164/0x157c [ 50.300558][ T4515] writeback_single_inode+0x1c0/0x720 [ 50.301409][ T4515] write_inode_now+0x144/0x1b0 [ 50.302146][ T4515] iput+0x5cc/0x7f4 [ 50.302803][ T4515] ext4_xattr_block_set+0x17a4/0x2810 [ 50.303693][ T4515] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 50.304637][ T4515] __ext4_expand_extra_isize+0x298/0x358 [ 50.305514][ T4515] __ext4_mark_inode_dirty+0x3e4/0x790 [ 50.306337][ T4515] ext4_evict_inode+0xb58/0x1270 [ 50.307063][ T4515] evict+0x3c8/0x810 [ 50.307671][ T4515] iput+0x764/0x7f4 [ 50.308279][ T4515] ext4_process_orphan+0x240/0x2b4 [ 50.309063][ T4515] ext4_orphan_cleanup+0x908/0x104c [ 50.309839][ T4515] ext4_fill_super+0x6440/0x68a8 [ 50.310540][ T4515] get_tree_bdev+0x358/0x544 [ 50.311232][ T4515] ext4_get_tree+0x28/0x38 [ 50.311883][ T4515] vfs_get_tree+0x90/0x274 [ 50.312526][ T4515] do_new_mount+0x228/0x810 [ 50.313208][ T4515] path_mount+0x5b4/0xe78 [ 50.313864][ T4515] __arm64_sys_mount+0x49c/0x584 [ 50.314616][ T4515] invoke_syscall+0x98/0x2bc [ 50.315261][ T4515] el0_svc_common+0x138/0x258 [ 50.315898][ T4515] do_el0_svc+0x58/0x13c [ 50.316570][ T4515] el0_svc+0x58/0x138 [ 50.317141][ T4515] el0t_64_sync_handler+0x84/0xf0 [ 50.317896][ T4515] el0t_64_sync+0x18c/0x190 [ 50.319607][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 50.321895][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.322927][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 50.325131][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.326142][ T4515] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2819: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 50.328074][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 50.330145][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.331205][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 50.333166][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.334191][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 50.336688][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.337730][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 50.339703][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.340747][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 50.342929][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.343866][ T4515] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 50.345994][ T4515] EXT4-fs (loop0): Remounting filesystem read-only [ 50.347003][ T4515] EXT4-fs (loop0): 1 orphan inode deleted [ 50.347862][ T4515] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 50.360060][ T4419] EXT4-fs (loop0): unmounting filesystem.