Warning: Permanently added '10.128.0.34' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs [ 34.021418][ T4327] cgroup: Unknown subsys name 'net' [ 34.254910][ T4327] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.529192][ T4327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.632035][ T4364] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.634055][ T4364] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.635278][ T4364] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.636573][ T4364] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.637973][ T4364] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.639139][ T4364] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.743126][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.744353][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.746082][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.752855][ T1575] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.753983][ T1575] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.755434][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.133059][ T4401] chnl_net:caif_netlink_parms(): no params data found [ 39.149537][ T4401] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.150797][ T4401] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.159129][ T4401] device bridge_slave_0 entered promiscuous mode [ 39.161507][ T4401] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.162708][ T4401] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.164123][ T4401] device bridge_slave_1 entered promiscuous mode [ 39.171575][ T4401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.174044][ T4401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.181339][ T4401] team0: Port device team_slave_0 added [ 39.183366][ T4401] team0: Port device team_slave_1 added [ 39.189319][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.190373][ T4401] 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. [ 39.194309][ T4401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.196673][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.197787][ T4401] 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. [ 39.201702][ T4401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.243550][ T4401] device hsr_slave_0 entered promiscuous mode [ 39.293136][ T4401] device hsr_slave_1 entered promiscuous mode [ 39.375730][ T4401] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.411008][ T4401] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.443460][ T4401] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.471357][ T4401] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.563946][ T4401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.567372][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.569092][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.571790][ T4401] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.583215][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.584886][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.586456][ T1661] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.587580][ T1661] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.589001][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.591327][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.593347][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.594675][ T1661] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.595715][ T1661] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.598438][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.600881][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.604199][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.605842][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.607331][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.609847][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.611304][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.623181][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.625125][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.627839][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.629313][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.631792][ T4401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.687031][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.688225][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.691096][ T4401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.701987][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.703656][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.708893][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.710327][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.712202][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.714481][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.716828][ T4401] device veth0_vlan entered promiscuous mode [ 39.719752][ T4401] device veth1_vlan entered promiscuous mode [ 39.727954][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.729482][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.730856][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.733513][ T4401] device veth0_macvtap entered promiscuous mode [ 39.742141][ T4401] device veth1_macvtap entered promiscuous mode [ 39.747690][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.748849][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.750609][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.752118][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.756023][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.757256][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.758783][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.761244][ T4401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.763227][ T4401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.764569][ T4401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.765906][ T4401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.647199][ T4364] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.648764][ T4364] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.649962][ T4364] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.651392][ T4364] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.654007][ T4364] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.655193][ T4364] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.974347][ T4432] chnl_net:caif_netlink_parms(): no params data found [ 40.988976][ T4432] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.990147][ T4432] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.991597][ T4432] device bridge_slave_0 entered promiscuous mode [ 40.997921][ T4432] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.999108][ T4432] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.000487][ T4432] device bridge_slave_1 entered promiscuous mode [ 41.008203][ T4432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.010606][ T4432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.017713][ T4432] team0: Port device team_slave_0 added [ 41.019312][ T4432] team0: Port device team_slave_1 added [ 41.027976][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.028988][ 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. [ 41.032717][ T4432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.034915][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.035878][ 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. [ 41.039453][ T4432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.083880][ T4432] device hsr_slave_0 entered promiscuous mode [ 41.122560][ T4432] device hsr_slave_1 entered promiscuous mode [ 41.162466][ T4432] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.163714][ T4432] Cannot create hsr debugfs directory [ 41.515296][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.742807][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.203527][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.812720][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.083815][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.184237][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.177685][ T4432] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.228363][ T4432] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.255369][ T4432] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.354402][ T4432] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.455660][ T4432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.459051][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.460531][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.508617][ T4432] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.511295][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.513046][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.514539][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.515498][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.517362][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.527428][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.528914][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.530274][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.531342][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.533085][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.535003][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.536578][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.538576][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.540081][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.541644][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.544674][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.546226][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.549649][ T4432] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.551543][ T4432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.590959][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.592531][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.594460][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.680501][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.681726][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.685519][ T4432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.690769][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.692312][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.697835][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.699158][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.700678][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.702052][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.704846][ T4432] device veth0_vlan entered promiscuous mode [ 46.708189][ T4432] device veth1_vlan entered promiscuous mode [ 46.715108][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.716602][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.718037][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.719547][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.721797][ T4432] device veth0_macvtap entered promiscuous mode [ 46.758116][ T4432] device veth1_macvtap entered promiscuous mode [ 46.763049][ T4432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.764580][ T4432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.766452][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.767585][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.769114][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.770501][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.771957][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.774782][ T4432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.776392][ T4432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.778394][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.779529][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.780965][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.783400][ T4432] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.784693][ T4432] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.785983][ T4432] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.787258][ T4432] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.795872][ T39] device hsr_slave_0 left promiscuous mode [ 46.822748][ T39] device hsr_slave_1 left promiscuous mode [ 46.892514][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 46.912524][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.913658][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.915110][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.916253][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.918445][ T39] device bridge_slave_1 left promiscuous mode [ 46.919824][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.963311][ T39] device bridge_slave_0 left promiscuous mode [ 46.964356][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.102646][ T39] device veth1_macvtap left promiscuous mode [ 47.103640][ T39] device veth0_macvtap left promiscuous mode [ 47.104684][ T39] device veth1_vlan left promiscuous mode [ 47.105574][ T39] device veth0_vlan left promiscuous mode [ 48.933603][ T39] team0 (unregistering): Port device team_slave_1 removed [ 48.972732][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.103265][ T39] team0 (unregistering): Port device team_slave_0 removed [ 49.282895][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.522873][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.083801][ T39] bond0 (unregistering): Released all slaves [ 52.304120][ T1575] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.305410][ T1575] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.314285][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.316136][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.317349][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.319062][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.353085][ T4570] loop0: detected capacity change from 0 to 512 [ 52.357990][ T4570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.365141][ T4570] [ 52.365550][ T4570] ====================================================== [ 52.366575][ T4570] WARNING: possible circular locking dependency detected [ 52.367634][ T4570] syzkaller #0 Not tainted [ 52.368309][ T4570] ------------------------------------------------------ [ 52.369293][ T4570] syz.0.17/4570 is trying to acquire lock: [ 52.370165][ T4570] ffff0000da012b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 52.371801][ T4570] [ 52.371801][ T4570] but task is already holding lock: [ 52.372857][ T4570] ffff0000ea12ef20 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.374329][ T4570] [ 52.374329][ T4570] which lock already depends on the new lock. [ 52.374329][ T4570] [ 52.375938][ T4570] [ 52.375938][ T4570] the existing dependency chain (in reverse order) is: [ 52.377278][ T4570] [ 52.377278][ T4570] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 52.378409][ T4570] down_read+0x64/0x304 [ 52.379126][ T4570] ext4_setattr+0x7c4/0x150c [ 52.379898][ T4570] notify_change+0xb0c/0xdcc [ 52.380634][ T4570] chown_common+0x414/0x574 [ 52.381433][ T4570] do_fchownat+0x158/0x268 [ 52.382202][ T4570] __arm64_sys_fchownat+0xb8/0xd4 [ 52.383052][ T4570] invoke_syscall+0x98/0x2bc [ 52.383809][ T4570] el0_svc_common+0x138/0x258 [ 52.384588][ T4570] do_el0_svc+0x58/0x13c [ 52.385346][ T4570] el0_svc+0x58/0x138 [ 52.386045][ T4570] el0t_64_sync_handler+0x84/0xf0 [ 52.386816][ T4570] el0t_64_sync+0x18c/0x190 [ 52.387546][ T4570] [ 52.387546][ T4570] -> #1 (jbd2_handle){++++}-{0:0}: [ 52.388627][ T4570] start_this_handle+0xfe0/0x122c [ 52.389467][ T4570] jbd2__journal_start+0x288/0x51c [ 52.390297][ T4570] __ext4_journal_start_sb+0x2fc/0x674 [ 52.391261][ T4570] ext4_writepages+0xa28/0x284c [ 52.392054][ T4570] do_writepages+0x2c0/0x4fc [ 52.392776][ T4570] __writeback_single_inode+0x164/0x157c [ 52.393742][ T4570] writeback_sb_inodes+0x824/0x1404 [ 52.394597][ T4570] __writeback_inodes_wb+0x110/0x394 [ 52.395536][ T4570] wb_writeback+0x414/0xfb0 [ 52.396227][ T4570] wb_workfn+0xac0/0xd98 [ 52.396952][ T4570] process_one_work+0x7f4/0x13a8 [ 52.397843][ T4570] worker_thread+0x8c8/0xfbc [ 52.398588][ T4570] kthread+0x250/0x2d8 [ 52.399242][ T4570] ret_from_fork+0x10/0x20 [ 52.400037][ T4570] [ 52.400037][ T4570] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 52.401394][ T4570] __lock_acquire+0x293c/0x6544 [ 52.402250][ T4570] lock_acquire+0x20c/0x644 [ 52.402962][ T4570] percpu_down_read+0x70/0x2a8 [ 52.403766][ T4570] ext4_writepages+0x188/0x284c [ 52.404571][ T4570] do_writepages+0x2c0/0x4fc [ 52.405319][ T4570] __writeback_single_inode+0x164/0x157c [ 52.406240][ T4570] writeback_single_inode+0x1c0/0x720 [ 52.407123][ T4570] write_inode_now+0x144/0x1b0 [ 52.407888][ T4570] iput+0x5cc/0x7f4 [ 52.408572][ T4570] ext4_xattr_block_set+0x17a4/0x2810 [ 52.409458][ T4570] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.410396][ T4570] __ext4_expand_extra_isize+0x298/0x358 [ 52.411367][ T4570] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.412299][ T4570] ext4_evict_inode+0xb58/0x1270 [ 52.413094][ T4570] evict+0x3c8/0x810 [ 52.413759][ T4570] iput+0x764/0x7f4 [ 52.414433][ T4570] ext4_process_orphan+0x240/0x2b4 [ 52.415353][ T4570] ext4_orphan_cleanup+0x908/0x104c [ 52.416147][ T4570] ext4_fill_super+0x6440/0x68a8 [ 52.416898][ T4570] get_tree_bdev+0x358/0x544 [ 52.417674][ T4570] ext4_get_tree+0x28/0x38 [ 52.418380][ T4570] vfs_get_tree+0x90/0x274 [ 52.419100][ T4570] do_new_mount+0x228/0x810 [ 52.419839][ T4570] path_mount+0x5b4/0xe78 [ 52.420534][ T4570] __arm64_sys_mount+0x49c/0x584 [ 52.421374][ T4570] invoke_syscall+0x98/0x2bc [ 52.422259][ T4570] el0_svc_common+0x138/0x258 [ 52.423031][ T4570] do_el0_svc+0x58/0x13c [ 52.423689][ T4570] el0_svc+0x58/0x138 [ 52.424376][ T4570] el0t_64_sync_handler+0x84/0xf0 [ 52.425221][ T4570] el0t_64_sync+0x18c/0x190 [ 52.426014][ T4570] [ 52.426014][ T4570] other info that might help us debug this: [ 52.426014][ T4570] [ 52.427517][ T4570] Chain exists of: [ 52.427517][ T4570] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 52.427517][ T4570] [ 52.429558][ T4570] Possible unsafe locking scenario: [ 52.429558][ T4570] [ 52.430731][ T4570] CPU0 CPU1 [ 52.431481][ T4570] ---- ---- [ 52.432243][ T4570] lock(&ei->xattr_sem); [ 52.432931][ T4570] lock(jbd2_handle); [ 52.433891][ T4570] lock(&ei->xattr_sem); [ 52.434928][ T4570] lock(&sbi->s_writepages_rwsem); [ 52.435695][ T4570] [ 52.435695][ T4570] *** DEADLOCK *** [ 52.435695][ T4570] [ 52.436862][ T4570] 3 locks held by syz.0.17/4570: [ 52.437584][ T4570] #0: ffff0000da0100e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 52.439082][ T4570] #1: ffff0000da010650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 52.440473][ T4570] #2: ffff0000ea12ef20 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.442010][ T4570] [ 52.442010][ T4570] stack backtrace: [ 52.442827][ T4570] CPU: 1 PID: 4570 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.443926][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.445407][ T4570] Call trace: [ 52.445913][ T4570] dump_backtrace+0x1c8/0x1f4 [ 52.446613][ T4570] show_stack+0x2c/0x3c [ 52.447275][ T4570] __dump_stack+0x30/0x40 [ 52.447918][ T4570] dump_stack_lvl+0xf8/0x160 [ 52.448577][ T4570] dump_stack+0x1c/0x5c [ 52.449189][ T4570] print_circular_bug+0x148/0x1b0 [ 52.449959][ T4570] check_noncircular+0x240/0x2d4 [ 52.450729][ T4570] __lock_acquire+0x293c/0x6544 [ 52.451553][ T4570] lock_acquire+0x20c/0x644 [ 52.452250][ T4570] percpu_down_read+0x70/0x2a8 [ 52.452913][ T4570] ext4_writepages+0x188/0x284c [ 52.453628][ T4570] do_writepages+0x2c0/0x4fc [ 52.454277][ T4570] __writeback_single_inode+0x164/0x157c [ 52.455204][ T4570] writeback_single_inode+0x1c0/0x720 [ 52.455974][ T4570] write_inode_now+0x144/0x1b0 [ 52.456679][ T4570] iput+0x5cc/0x7f4 [ 52.457233][ T4570] ext4_xattr_block_set+0x17a4/0x2810 [ 52.458033][ T4570] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.458905][ T4570] __ext4_expand_extra_isize+0x298/0x358 [ 52.459750][ T4570] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.460549][ T4570] ext4_evict_inode+0xb58/0x1270 [ 52.461293][ T4570] evict+0x3c8/0x810 [ 52.461922][ T4570] iput+0x764/0x7f4 [ 52.462594][ T4570] ext4_process_orphan+0x240/0x2b4 [ 52.463327][ T4570] ext4_orphan_cleanup+0x908/0x104c [ 52.464084][ T4570] ext4_fill_super+0x6440/0x68a8 [ 52.464825][ T4570] get_tree_bdev+0x358/0x544 [ 52.465509][ T4570] ext4_get_tree+0x28/0x38 [ 52.466254][ T4570] vfs_get_tree+0x90/0x274 [ 52.466925][ T4570] do_new_mount+0x228/0x810 [ 52.467607][ T4570] path_mount+0x5b4/0xe78 [ 52.468322][ T4570] __arm64_sys_mount+0x49c/0x584 [ 52.469101][ T4570] invoke_syscall+0x98/0x2bc [ 52.469785][ T4570] el0_svc_common+0x138/0x258 [ 52.470453][ T4570] do_el0_svc+0x58/0x13c [ 52.471108][ T4570] el0_svc+0x58/0x138 [ 52.471674][ T4570] el0t_64_sync_handler+0x84/0xf0 [ 52.472467][ T4570] el0t_64_sync+0x18c/0x190 [ 52.478457][ T4570] ------------[ cut here ]------------ [ 52.479261][ T4570] EA inode 11 i_nlink=2 [ 52.479325][ T4570] WARNING: CPU: 1 PID: 4570 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.481459][ T4570] Modules linked in: [ 52.482053][ T4570] CPU: 1 PID: 4570 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.483136][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.484678][ T4570] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.485788][ T4570] pc : ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.486638][ T4570] lr : ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.487603][ T4570] sp : ffff8000214d6e00 [ 52.488273][ T4570] x29: ffff8000214d6ea0 x28: 0000000000000000 x27: dfff800000000000 [ 52.489389][ T4570] x26: 1fffe0001d45f317 x25: ffff70000429adc4 x24: 0000000000000000 [ 52.490573][ T4570] x23: ffff800017a15000 x22: ffff0000ea2f9700 x21: 0000000000000002 [ 52.491762][ T4570] x20: 0000000000000001 x19: ffff0000ea2f96c0 x18: ffff800011a5bd40 [ 52.493023][ T4570] x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 [ 52.494290][ T4570] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 52.495531][ T4570] x11: ff008000081924a8 x10: 0000000000000000 x9 : 576683266220e300 [ 52.496712][ T4570] x8 : 576683266220e300 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.497957][ T4570] x5 : ffff8000214d6898 x4 : ffff800015134e00 x3 : ffff80000852f9b8 [ 52.499236][ T4570] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 52.500419][ T4570] Call trace: [ 52.500901][ T4570] ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.501813][ T4570] ext4_xattr_set_entry+0x918/0x15ac [ 52.502592][ T4570] ext4_xattr_ibody_set+0x204/0x600 [ 52.503309][ T4570] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 52.504185][ T4570] __ext4_expand_extra_isize+0x298/0x358 [ 52.504986][ T4570] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.505875][ T4570] ext4_evict_inode+0xb58/0x1270 [ 52.506655][ T4570] evict+0x3c8/0x810 [ 52.507277][ T4570] iput+0x764/0x7f4 [ 52.507906][ T4570] ext4_process_orphan+0x240/0x2b4 [ 52.508632][ T4570] ext4_orphan_cleanup+0x908/0x104c [ 52.509401][ T4570] ext4_fill_super+0x6440/0x68a8 [ 52.510120][ T4570] get_tree_bdev+0x358/0x544 [ 52.510800][ T4570] ext4_get_tree+0x28/0x38 [ 52.511440][ T4570] vfs_get_tree+0x90/0x274 [ 52.512090][ T4570] do_new_mount+0x228/0x810 [ 52.512772][ T4570] path_mount+0x5b4/0xe78 [ 52.513403][ T4570] __arm64_sys_mount+0x49c/0x584 [ 52.514153][ T4570] invoke_syscall+0x98/0x2bc [ 52.514850][ T4570] el0_svc_common+0x138/0x258 [ 52.515602][ T4570] do_el0_svc+0x58/0x13c [ 52.516264][ T4570] el0_svc+0x58/0x138 [ 52.516893][ T4570] el0t_64_sync_handler+0x84/0xf0 [ 52.517540][ T4570] el0t_64_sync+0x18c/0x190 [ 52.518160][ T4570] irq event stamp: 4449 [ 52.518735][ T4570] hardirqs last enabled at (4449): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 52.520265][ T4570] hardirqs last disabled at (4448): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 52.521770][ T4570] softirqs last enabled at (3820): [] handle_softirqs+0xaf8/0xc6c [ 52.523244][ T4570] softirqs last disabled at (3809): [] __do_softirq+0x14/0x20 [ 52.524677][ T4570] ---[ end trace 0000000000000000 ]--- [ 52.526403][ T4570] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.528701][ T4570] EXT4-fs (loop0): Remounting filesystem read-only [ 52.529764][ T4570] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 52.531614][ T4570] EXT4-fs (loop0): Remounting filesystem read-only [ 52.532865][ T4570] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.534907][ T4570] EXT4-fs (loop0): Remounting filesystem read-only [ 52.535845][ T4570] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 52.537708][ T4570] EXT4-fs (loop0): Remounting filesystem read-only [ 52.538763][ T4570] EXT4-fs (loop0): 1 orphan inode deleted [ 52.539741][ T4570] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 52.553088][ T4432] EXT4-fs (loop0): unmounting filesystem.