Warning: Permanently added '10.128.0.68' (ED25519) to the list of known hosts. 1970/01/01 00:00:34 parsed 1 programs [ 35.634116][ T4327] cgroup: Unknown subsys name 'net' [ 35.842401][ T4327] cgroup: Unknown subsys name 'rlimit' [ 36.149292][ T4327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 42.724965][ T272] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.726189][ T272] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.727904][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.738171][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.739479][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.741450][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 43.260117][ T4400] chnl_net:caif_netlink_parms(): no params data found [ 43.277283][ T4400] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.278456][ T4400] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.281816][ T4400] device bridge_slave_0 entered promiscuous mode [ 43.284202][ T4400] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.285217][ T4400] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.286670][ T4400] device bridge_slave_1 entered promiscuous mode [ 43.295107][ T4400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.297458][ T4400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.305134][ T4400] team0: Port device team_slave_0 added [ 43.306717][ T4400] team0: Port device team_slave_1 added [ 43.312908][ T4400] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.314026][ T4400] 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. [ 43.318240][ T4400] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.321099][ T4400] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.322248][ T4400] 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. [ 43.326454][ T4400] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.360753][ T4400] device hsr_slave_0 entered promiscuous mode [ 43.409890][ T4400] device hsr_slave_1 entered promiscuous mode [ 43.494639][ T4400] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.542595][ T4400] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.601227][ T4400] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.659464][ T4400] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.730282][ T4400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.734330][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.736483][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.739217][ T4400] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.742283][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.743822][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.745637][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.746716][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.748317][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.752657][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.754136][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.755525][ T272] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.756691][ T272] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.758962][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.778951][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.781070][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.782965][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.784614][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.786202][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.787922][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.793271][ T4400] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.794944][ T4400] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.798720][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.801014][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.802812][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.804286][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.805820][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.857337][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.858493][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.869389][ T4400] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.874864][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.876763][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.882916][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.884541][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.886146][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.887491][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.890204][ T4400] device veth0_vlan entered promiscuous mode [ 43.893365][ T4400] device veth1_vlan entered promiscuous mode [ 43.899569][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.901985][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.903426][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.904942][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.915282][ T4400] device veth0_macvtap entered promiscuous mode [ 43.917666][ T4400] device veth1_macvtap entered promiscuous mode [ 43.923084][ T4400] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.924329][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.925896][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.927365][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.929545][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.932866][ T4400] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.934113][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.935649][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.937929][ T4400] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.939511][ T4400] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.941365][ T4400] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.942748][ T4400] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.348993][ T4426] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.351571][ T4426] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.352832][ T4426] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.354228][ T4426] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.355668][ T4426] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.356846][ T4426] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:44 executed programs: 0 [ 44.954254][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.956030][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.957310][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.958839][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.960489][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.961699][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.238159][ T4436] chnl_net:caif_netlink_parms(): no params data found [ 45.256029][ T4436] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.257213][ T4436] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.258660][ T4436] device bridge_slave_0 entered promiscuous mode [ 45.261184][ T4436] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.262305][ T4436] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.263788][ T4436] device bridge_slave_1 entered promiscuous mode [ 45.273436][ T4436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.275829][ T4436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.284763][ T4436] team0: Port device team_slave_0 added [ 45.286489][ T4436] team0: Port device team_slave_1 added [ 45.296238][ T4436] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.297382][ T4436] 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. [ 45.301362][ T4436] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.303651][ T4436] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.304640][ T4436] 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. [ 45.308478][ T4436] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.341564][ T4436] device hsr_slave_0 entered promiscuous mode [ 45.380223][ T4436] device hsr_slave_1 entered promiscuous mode [ 45.429752][ T4436] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 45.431130][ T4436] Cannot create hsr debugfs directory [ 45.732515][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.970142][ T4426] Bluetooth: hci0: command 0x0409 tx timeout [ 48.470931][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.059676][ T4426] Bluetooth: hci0: command 0x041b tx timeout [ 49.360753][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.461692][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.413127][ T4436] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.470899][ T4436] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.530734][ T4436] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.693317][ T4436] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.833307][ T4436] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.836732][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.838157][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.841384][ T4436] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.843889][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.845454][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.846884][ T272] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.847988][ T272] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.849347][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.852870][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.854369][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.855824][ T272] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.856873][ T272] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.859129][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.894485][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.897311][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.899262][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.901053][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.903621][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.905150][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.908902][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.910521][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.913024][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.914462][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.916855][ T4436] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.009423][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.011906][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.015304][ T4436] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.021782][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.023431][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.028934][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.031035][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.061627][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.063127][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.065192][ T4436] device veth0_vlan entered promiscuous mode [ 51.068482][ T4436] device veth1_vlan entered promiscuous mode [ 51.074939][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.076517][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.078640][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.081479][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.084020][ T4436] device veth0_macvtap entered promiscuous mode [ 51.086343][ T4436] device veth1_macvtap entered promiscuous mode [ 51.091687][ T4436] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 51.093374][ T4436] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.095492][ T4436] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.096698][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.098347][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.100114][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.101720][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.104202][ T4436] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 51.105810][ T4436] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.107876][ T4436] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.109025][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.111433][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.129841][ T4426] Bluetooth: hci0: command 0x040f tx timeout [ 51.163801][ T4436] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.165256][ T4436] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.166588][ T4436] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.167945][ T4436] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.187293][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.191643][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.194354][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.196441][ T272] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.197677][ T272] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.199430][ T272] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.242521][ T4522] loop0: detected capacity change from 0 to 512 [ 51.251966][ T4522] [ 51.252355][ T4522] ====================================================== [ 51.253400][ T4522] WARNING: possible circular locking dependency detected [ 51.254409][ T4522] syzkaller #0 Not tainted [ 51.255079][ T4522] ------------------------------------------------------ [ 51.256090][ T4522] syz.0.17/4522 is trying to acquire lock: [ 51.257053][ T4522] ffff0000d35aab98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 51.258533][ T4522] [ 51.258533][ T4522] but task is already holding lock: [ 51.259660][ T4522] ffff0000e9d832f0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 51.261243][ T4522] [ 51.261243][ T4522] which lock already depends on the new lock. [ 51.261243][ T4522] [ 51.262785][ T4522] [ 51.262785][ T4522] the existing dependency chain (in reverse order) is: [ 51.264199][ T4522] [ 51.264199][ T4522] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 51.265344][ T4522] down_read+0x64/0x304 [ 51.266041][ T4522] ext4_setattr+0x7c4/0x150c [ 51.266785][ T4522] notify_change+0xb0c/0xdcc [ 51.267584][ T4522] chown_common+0x414/0x574 [ 51.268417][ T4522] do_fchownat+0x158/0x268 [ 51.269185][ T4522] __arm64_sys_fchownat+0xb8/0xd4 [ 51.270036][ T4522] invoke_syscall+0x98/0x2bc [ 51.270843][ T4522] el0_svc_common+0x138/0x258 [ 51.271647][ T4522] do_el0_svc+0x58/0x13c [ 51.272352][ T4522] el0_svc+0x58/0x138 [ 51.273057][ T4522] el0t_64_sync_handler+0x84/0xf0 [ 51.273943][ T4522] el0t_64_sync+0x18c/0x190 [ 51.274765][ T4522] [ 51.274765][ T4522] -> #1 (jbd2_handle){++++}-{0:0}: [ 51.275862][ T4522] start_this_handle+0xfe0/0x122c [ 51.276712][ T4522] jbd2__journal_start+0x288/0x51c [ 51.277591][ T4522] __ext4_journal_start_sb+0x2fc/0x674 [ 51.278492][ T4522] ext4_writepages+0xa28/0x284c [ 51.279298][ T4522] do_writepages+0x2c0/0x4fc [ 51.280104][ T4522] __writeback_single_inode+0x164/0x157c [ 51.281058][ T4522] writeback_sb_inodes+0x824/0x1404 [ 51.281961][ T4522] __writeback_inodes_wb+0x110/0x394 [ 51.282851][ T4522] wb_writeback+0x414/0xfb0 [ 51.283621][ T4522] wb_workfn+0xac0/0xd98 [ 51.284402][ T4522] process_one_work+0x7f4/0x13a8 [ 51.285280][ T4522] worker_thread+0x8c8/0xfbc [ 51.286070][ T4522] kthread+0x250/0x2d8 [ 51.286831][ T4522] ret_from_fork+0x10/0x20 [ 51.287621][ T4522] [ 51.287621][ T4522] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 51.288886][ T4522] __lock_acquire+0x293c/0x6544 [ 51.289816][ T4522] lock_acquire+0x20c/0x644 [ 51.290588][ T4522] percpu_down_read+0x70/0x2a8 [ 51.291433][ T4522] ext4_writepages+0x188/0x284c [ 51.292208][ T4522] do_writepages+0x2c0/0x4fc [ 51.292908][ T4522] __writeback_single_inode+0x164/0x157c [ 51.293843][ T4522] writeback_single_inode+0x1c0/0x720 [ 51.294700][ T4522] write_inode_now+0x144/0x1b0 [ 51.295491][ T4522] iput+0x5cc/0x7f4 [ 51.296178][ T4522] ext4_xattr_block_set+0x17a4/0x2810 [ 51.297094][ T4522] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 51.298034][ T4522] __ext4_expand_extra_isize+0x298/0x358 [ 51.299007][ T4522] __ext4_mark_inode_dirty+0x3e4/0x790 [ 51.299846][ T4522] ext4_evict_inode+0xb58/0x1270 [ 51.300633][ T4522] evict+0x3c8/0x810 [ 51.301277][ T4522] iput+0x764/0x7f4 [ 51.301960][ T4522] ext4_process_orphan+0x240/0x2b4 [ 51.302790][ T4522] ext4_orphan_cleanup+0x908/0x104c [ 51.303608][ T4522] ext4_fill_super+0x6920/0x6e34 [ 51.304384][ T4522] get_tree_bdev+0x358/0x544 [ 51.305126][ T4522] ext4_get_tree+0x28/0x38 [ 51.305839][ T4522] vfs_get_tree+0x90/0x274 [ 51.306612][ T4522] do_new_mount+0x228/0x810 [ 51.307340][ T4522] path_mount+0x5b4/0xe78 [ 51.308074][ T4522] __arm64_sys_mount+0x49c/0x584 [ 51.308924][ T4522] invoke_syscall+0x98/0x2bc [ 51.309735][ T4522] el0_svc_common+0x138/0x258 [ 51.310585][ T4522] do_el0_svc+0x58/0x13c [ 51.311326][ T4522] el0_svc+0x58/0x138 [ 51.312047][ T4522] el0t_64_sync_handler+0x84/0xf0 [ 51.312893][ T4522] el0t_64_sync+0x18c/0x190 [ 51.313649][ T4522] [ 51.313649][ T4522] other info that might help us debug this: [ 51.313649][ T4522] [ 51.315375][ T4522] Chain exists of: [ 51.315375][ T4522] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 51.315375][ T4522] [ 51.317443][ T4522] Possible unsafe locking scenario: [ 51.317443][ T4522] [ 51.318688][ T4522] CPU0 CPU1 [ 51.319535][ T4522] ---- ---- [ 51.320330][ T4522] lock(&ei->xattr_sem); [ 51.320969][ T4522] lock(jbd2_handle); [ 51.321978][ T4522] lock(&ei->xattr_sem); [ 51.323020][ T4522] lock(&sbi->s_writepages_rwsem); [ 51.323833][ T4522] [ 51.323833][ T4522] *** DEADLOCK *** [ 51.323833][ T4522] [ 51.325192][ T4522] 3 locks held by syz.0.17/4522: [ 51.326035][ T4522] #0: ffff0000d35a80e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 51.327616][ T4522] #1: ffff0000d35a8650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 51.329105][ T4522] #2: ffff0000e9d832f0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 51.330775][ T4522] [ 51.330775][ T4522] stack backtrace: [ 51.331690][ T4522] CPU: 1 PID: 4522 Comm: syz.0.17 Not tainted syzkaller #0 [ 51.332831][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.334316][ T4522] Call trace: [ 51.334867][ T4522] dump_backtrace+0x1c8/0x1f4 [ 51.335614][ T4522] show_stack+0x2c/0x3c [ 51.336286][ T4522] __dump_stack+0x30/0x40 [ 51.336968][ T4522] dump_stack_lvl+0xf8/0x160 [ 51.337661][ T4522] dump_stack+0x1c/0x5c [ 51.338314][ T4522] print_circular_bug+0x148/0x1b0 [ 51.339091][ T4522] check_noncircular+0x240/0x2d4 [ 51.339899][ T4522] __lock_acquire+0x293c/0x6544 [ 51.340646][ T4522] lock_acquire+0x20c/0x644 [ 51.341421][ T4522] percpu_down_read+0x70/0x2a8 [ 51.342204][ T4522] ext4_writepages+0x188/0x284c [ 51.342955][ T4522] do_writepages+0x2c0/0x4fc [ 51.343684][ T4522] __writeback_single_inode+0x164/0x157c [ 51.344570][ T4522] writeback_single_inode+0x1c0/0x720 [ 51.345430][ T4522] write_inode_now+0x144/0x1b0 [ 51.346149][ T4522] iput+0x5cc/0x7f4 [ 51.346714][ T4522] ext4_xattr_block_set+0x17a4/0x2810 [ 51.347511][ T4522] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 51.348512][ T4522] __ext4_expand_extra_isize+0x298/0x358 [ 51.349448][ T4522] __ext4_mark_inode_dirty+0x3e4/0x790 [ 51.350276][ T4522] ext4_evict_inode+0xb58/0x1270 [ 51.351071][ T4522] evict+0x3c8/0x810 [ 51.351682][ T4522] iput+0x764/0x7f4 [ 51.352277][ T4522] ext4_process_orphan+0x240/0x2b4 [ 51.353061][ T4522] ext4_orphan_cleanup+0x908/0x104c [ 51.353851][ T4522] ext4_fill_super+0x6920/0x6e34 [ 51.354676][ T4522] get_tree_bdev+0x358/0x544 [ 51.355365][ T4522] ext4_get_tree+0x28/0x38 [ 51.355983][ T4522] vfs_get_tree+0x90/0x274 [ 51.356669][ T4522] do_new_mount+0x228/0x810 [ 51.357323][ T4522] path_mount+0x5b4/0xe78 [ 51.357984][ T4522] __arm64_sys_mount+0x49c/0x584 [ 51.358812][ T4522] invoke_syscall+0x98/0x2bc [ 51.359491][ T4522] el0_svc_common+0x138/0x258 [ 51.360182][ T4522] do_el0_svc+0x58/0x13c [ 51.360916][ T4522] el0_svc+0x58/0x138 [ 51.361537][ T4522] el0t_64_sync_handler+0x84/0xf0 [ 51.362273][ T4522] el0t_64_sync+0x18c/0x190 [ 51.365701][ T4522] ------------[ cut here ]------------ [ 51.366574][ T4522] EA inode 11 i_nlink=2 [ 51.366651][ T4522] WARNING: CPU: 0 PID: 4522 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 [ 51.368729][ T4522] Modules linked in: [ 51.369280][ T4522] CPU: 0 PID: 4522 Comm: syz.0.17 Not tainted syzkaller #0 [ 51.370302][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.371803][ T4522] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.372938][ T4522] pc : ext4_xattr_inode_update_ref+0x42c/0x470 [ 51.373794][ T4522] lr : ext4_xattr_inode_update_ref+0x42c/0x470 [ 51.374723][ T4522] sp : ffff800021466e60 [ 51.375317][ T4522] x29: ffff800021466f00 x28: 0000000000000000 x27: dfff800000000000 [ 51.376541][ T4522] x26: 1fffe0001d3d9599 x25: ffff70000428cdd0 x24: 0000000000000000 [ 51.377716][ T4522] x23: ffff800017a8a000 x22: ffff0000e9ecab10 x21: 0000000000000002 [ 51.378970][ T4522] x20: 0000000000000001 x19: ffff0000e9ecaad0 x18: ffff800011abbcc0 [ 51.380201][ T4522] x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 [ 51.381497][ T4522] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 51.382659][ T4522] x11: ff00800008191ca8 x10: 0000000000000000 x9 : 3a41c0fcf9939e00 [ 51.383975][ T4522] x8 : 3a41c0fcf9939e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.385212][ T4522] x5 : ffff8000214668f8 x4 : ffff8000151a4920 x3 : ffff800008311fd8 [ 51.386391][ T4522] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 51.387660][ T4522] Call trace: [ 51.388166][ T4522] ext4_xattr_inode_update_ref+0x42c/0x470 [ 51.389091][ T4522] ext4_xattr_set_entry+0x918/0x15ac [ 51.389928][ T4522] ext4_xattr_ibody_set+0x204/0x600 [ 51.390735][ T4522] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 51.391557][ T4522] __ext4_expand_extra_isize+0x298/0x358 [ 51.392382][ T4522] __ext4_mark_inode_dirty+0x3e4/0x790 [ 51.393255][ T4522] ext4_evict_inode+0xb58/0x1270 [ 51.394034][ T4522] evict+0x3c8/0x810 [ 51.394629][ T4522] iput+0x764/0x7f4 [ 51.395196][ T4522] ext4_process_orphan+0x240/0x2b4 [ 51.396056][ T4522] ext4_orphan_cleanup+0x908/0x104c [ 51.396858][ T4522] ext4_fill_super+0x6920/0x6e34 [ 51.397651][ T4522] get_tree_bdev+0x358/0x544 [ 51.398404][ T4522] ext4_get_tree+0x28/0x38 [ 51.399113][ T4522] vfs_get_tree+0x90/0x274 [ 51.399811][ T4522] do_new_mount+0x228/0x810 [ 51.400507][ T4522] path_mount+0x5b4/0xe78 [ 51.401252][ T4522] __arm64_sys_mount+0x49c/0x584 [ 51.402006][ T4522] invoke_syscall+0x98/0x2bc [ 51.402714][ T4522] el0_svc_common+0x138/0x258 [ 51.403446][ T4522] do_el0_svc+0x58/0x13c [ 51.404073][ T4522] el0_svc+0x58/0x138 [ 51.404737][ T4522] el0t_64_sync_handler+0x84/0xf0 [ 51.405548][ T4522] el0t_64_sync+0x18c/0x190 [ 51.406227][ T4522] irq event stamp: 4271 [ 51.406962][ T4522] hardirqs last enabled at (4271): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 51.408570][ T4522] hardirqs last disabled at (4270): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.410076][ T4522] softirqs last enabled at (3710): [] handle_softirqs+0xaf8/0xc6c [ 51.411615][ T4522] softirqs last disabled at (3701): [] __do_softirq+0x14/0x20 [ 51.413032][ T4522] ---[ end trace 0000000000000000 ]--- [ 51.415025][ T4522] EXT4-fs (loop0): 1 orphan inode deleted [ 51.415984][ T4522] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 51.426571][ T4436] EXT4-fs (loop0): unmounting filesystem.