Warning: Permanently added '10.128.1.252' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.948438][ T4325] cgroup: Unknown subsys name 'net' [ 33.211600][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.524577][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.097317][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.098995][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.128809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.136467][ T298] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.137698][ T298] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.139589][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.242647][ T4381] chnl_net:caif_netlink_parms(): no params data found [ 39.259621][ T4381] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.260902][ T4381] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.262336][ T4381] device bridge_slave_0 entered promiscuous mode [ 39.264673][ T4381] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.265815][ T4381] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.267227][ T4381] device bridge_slave_1 entered promiscuous mode [ 39.274249][ T4381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.276384][ T4381] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.283907][ T4381] team0: Port device team_slave_0 added [ 39.285499][ T4381] team0: Port device team_slave_1 added [ 39.290999][ T4381] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.291936][ T4381] 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. [ 39.295343][ T4381] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.297510][ T4381] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.298444][ T4381] 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. [ 39.302443][ T4381] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.349670][ T4381] device hsr_slave_0 entered promiscuous mode [ 39.368804][ T4381] device hsr_slave_1 entered promiscuous mode [ 39.452614][ T4381] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.500018][ T4381] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.549572][ T4381] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.589681][ T4381] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.662887][ T4381] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.666202][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.668059][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.671112][ T4381] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.673387][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.675051][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.676806][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.677848][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.680061][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.693217][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.694682][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.696040][ T1632] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.697157][ T1632] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.701116][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.703778][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.706244][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.707855][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.711128][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.713946][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.715458][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.718139][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.720993][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.734435][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.735945][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.738487][ T4381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.798217][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.799598][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.802679][ T4381] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.807237][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.808966][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.814887][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.816308][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.817845][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.820101][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.822161][ T4381] device veth0_vlan entered promiscuous mode [ 39.825520][ T4381] device veth1_vlan entered promiscuous mode [ 39.840764][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.842266][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.843539][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.844925][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.847181][ T4381] device veth0_macvtap entered promiscuous mode [ 39.850361][ T4381] device veth1_macvtap entered promiscuous mode [ 39.855189][ T4381] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.856319][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.857731][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 39.860387][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.861787][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.864412][ T4381] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.865466][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.867206][ T1632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.879924][ T4381] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.881318][ T4381] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.882699][ T4381] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.884139][ T4381] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.968101][ T4428] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.970039][ T4428] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.971378][ T4428] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.972871][ T4428] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.974182][ T4428] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.975341][ T4428] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:40 executed programs: 0 [ 40.933224][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.934690][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.936037][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.937510][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.939127][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.941053][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.356036][ T4443] chnl_net:caif_netlink_parms(): no params data found [ 41.384642][ T4443] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.385799][ T4443] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.387263][ T4443] device bridge_slave_0 entered promiscuous mode [ 41.390425][ T4443] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.391410][ T4443] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.392736][ T4443] device bridge_slave_1 entered promiscuous mode [ 41.400960][ T4443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.403151][ T4443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.410783][ T4443] team0: Port device team_slave_0 added [ 41.413356][ T4443] team0: Port device team_slave_1 added [ 41.420705][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.421808][ T4443] 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. [ 41.425500][ T4443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.427531][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.428868][ T4443] 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. [ 41.432390][ T4443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.479502][ T4443] device hsr_slave_0 entered promiscuous mode [ 41.528786][ T4443] device hsr_slave_1 entered promiscuous mode [ 41.568610][ T4443] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.569772][ T4443] Cannot create hsr debugfs directory [ 41.879906][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.968655][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.939582][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.048945][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.249613][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.340643][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.659795][ T4443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.740720][ T4443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.779583][ T4443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.880132][ T4443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.924756][ T39] device hsr_slave_0 left promiscuous mode [ 46.968768][ T39] device hsr_slave_1 left promiscuous mode [ 47.058623][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.059881][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.061400][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.062486][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.063774][ T39] device bridge_slave_1 left promiscuous mode [ 47.065076][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.109356][ T39] device bridge_slave_0 left promiscuous mode [ 47.110321][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.128603][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.238837][ T39] device veth1_macvtap left promiscuous mode [ 47.239866][ T39] device veth0_macvtap left promiscuous mode [ 47.240750][ T39] device veth1_vlan left promiscuous mode [ 47.241623][ T39] device veth0_vlan left promiscuous mode [ 48.940167][ T39] team0 (unregistering): Port device team_slave_1 removed [ 49.109497][ T39] team0 (unregistering): Port device team_slave_0 removed [ 49.218560][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.298980][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.538937][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.049989][ T39] bond0 (unregistering): Released all slaves [ 52.276938][ T4443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.280643][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.282021][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.284246][ T4443] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.286475][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.287823][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.289490][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.290644][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.292855][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.295344][ T4440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.296771][ T4440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.298030][ T4440] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.299172][ T4440] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.301977][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.304410][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.306753][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.310489][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.312001][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.315497][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.317198][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.321188][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.322630][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.325220][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.326673][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.330569][ T4443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.378731][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.379950][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.382965][ T4443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.390595][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.392127][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.396950][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.398219][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.401693][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.403126][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.405173][ T4443] device veth0_vlan entered promiscuous mode [ 52.408942][ T4443] device veth1_vlan entered promiscuous mode [ 52.415234][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.416991][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.418376][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.420026][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.422331][ T4443] device veth0_macvtap entered promiscuous mode [ 52.424432][ T4443] device veth1_macvtap entered promiscuous mode [ 52.429620][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.430747][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.432140][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.433529][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.434984][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.437443][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.443212][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.444917][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.447254][ T4443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.448681][ T4443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.449922][ T4443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.451122][ T4443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.468326][ T298] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.473382][ T298] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.478147][ T4440] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.479895][ T4440] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.481270][ T4440] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.482909][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.539696][ T4529] loop0: detected capacity change from 0 to 512 [ 52.550772][ T4529] [ 52.551174][ T4529] ====================================================== [ 52.552246][ T4529] WARNING: possible circular locking dependency detected [ 52.553229][ T4529] syzkaller #0 Not tainted [ 52.553830][ T4529] ------------------------------------------------------ [ 52.554847][ T4529] syz.0.17/4529 is trying to acquire lock: [ 52.555646][ T4529] ffff0000decf6b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 52.557106][ T4529] [ 52.557106][ T4529] but task is already holding lock: [ 52.558098][ T4529] ffff0000ea259ee0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.559531][ T4529] [ 52.559531][ T4529] which lock already depends on the new lock. [ 52.559531][ T4529] [ 52.561187][ T4529] [ 52.561187][ T4529] the existing dependency chain (in reverse order) is: [ 52.562657][ T4529] [ 52.562657][ T4529] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 52.563887][ T4529] down_read+0x64/0x304 [ 52.564581][ T4529] ext4_setattr+0x7c4/0x150c [ 52.565348][ T4529] notify_change+0xb0c/0xdcc [ 52.566056][ T4529] chown_common+0x414/0x574 [ 52.566756][ T4529] do_fchownat+0x158/0x268 [ 52.567508][ T4529] __arm64_sys_fchownat+0xb8/0xd4 [ 52.568491][ T4529] invoke_syscall+0x98/0x2bc [ 52.569374][ T4529] el0_svc_common+0x138/0x258 [ 52.570295][ T4529] do_el0_svc+0x58/0x13c [ 52.571138][ T4529] el0_svc+0x58/0x138 [ 52.571885][ T4529] el0t_64_sync_handler+0x84/0xf0 [ 52.572838][ T4529] el0t_64_sync+0x18c/0x190 [ 52.573661][ T4529] [ 52.573661][ T4529] -> #1 (jbd2_handle){++++}-{0:0}: [ 52.574803][ T4529] start_this_handle+0xfe0/0x122c [ 52.575661][ T4529] jbd2__journal_start+0x288/0x51c [ 52.576500][ T4529] __ext4_journal_start_sb+0x2fc/0x674 [ 52.577478][ T4529] ext4_writepages+0xa28/0x284c [ 52.578320][ T4529] do_writepages+0x2c0/0x4fc [ 52.579059][ T4529] __writeback_single_inode+0x164/0x157c [ 52.579864][ T4529] writeback_sb_inodes+0x824/0x1404 [ 52.580714][ T4529] __writeback_inodes_wb+0x110/0x394 [ 52.581570][ T4529] wb_writeback+0x414/0xfb0 [ 52.582294][ T4529] wb_workfn+0xac0/0xd98 [ 52.582976][ T4529] process_one_work+0x7f4/0x13a8 [ 52.583803][ T4529] worker_thread+0x8c8/0xfbc [ 52.584537][ T4529] kthread+0x250/0x2d8 [ 52.585213][ T4529] ret_from_fork+0x10/0x20 [ 52.585884][ T4529] [ 52.585884][ T4529] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 52.586982][ T4529] __lock_acquire+0x293c/0x6544 [ 52.587787][ T4529] lock_acquire+0x20c/0x644 [ 52.588510][ T4529] percpu_down_read+0x70/0x2a8 [ 52.589329][ T4529] ext4_writepages+0x188/0x284c [ 52.590112][ T4529] do_writepages+0x2c0/0x4fc [ 52.590777][ T4529] __writeback_single_inode+0x164/0x157c [ 52.591616][ T4529] writeback_single_inode+0x1c0/0x720 [ 52.592457][ T4529] write_inode_now+0x144/0x1b0 [ 52.593273][ T4529] iput+0x5cc/0x7f4 [ 52.593892][ T4529] ext4_xattr_block_set+0x17a4/0x2810 [ 52.594690][ T4529] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.595608][ T4529] __ext4_expand_extra_isize+0x298/0x358 [ 52.596460][ T4529] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.597314][ T4529] ext4_evict_inode+0xb58/0x1270 [ 52.598100][ T4529] evict+0x3c8/0x810 [ 52.598789][ T4529] iput+0x764/0x7f4 [ 52.599408][ T4529] ext4_process_orphan+0x240/0x2b4 [ 52.600189][ T4529] ext4_orphan_cleanup+0x908/0x104c [ 52.601039][ T4529] ext4_fill_super+0x6440/0x68a8 [ 52.601793][ T4529] get_tree_bdev+0x358/0x544 [ 52.602504][ T4529] ext4_get_tree+0x28/0x38 [ 52.603259][ T4529] vfs_get_tree+0x90/0x274 [ 52.604123][ T4529] do_new_mount+0x228/0x810 [ 52.604857][ T4529] path_mount+0x5b4/0xe78 [ 52.605611][ T4529] __arm64_sys_mount+0x49c/0x584 [ 52.606500][ T4529] invoke_syscall+0x98/0x2bc [ 52.607342][ T4529] el0_svc_common+0x138/0x258 [ 52.608150][ T4529] do_el0_svc+0x58/0x13c [ 52.608861][ T4529] el0_svc+0x58/0x138 [ 52.609551][ T4529] el0t_64_sync_handler+0x84/0xf0 [ 52.610435][ T4529] el0t_64_sync+0x18c/0x190 [ 52.611091][ T4529] [ 52.611091][ T4529] other info that might help us debug this: [ 52.611091][ T4529] [ 52.612569][ T4529] Chain exists of: [ 52.612569][ T4529] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 52.612569][ T4529] [ 52.614508][ T4529] Possible unsafe locking scenario: [ 52.614508][ T4529] [ 52.615574][ T4529] CPU0 CPU1 [ 52.616356][ T4529] ---- ---- [ 52.617237][ T4529] lock(&ei->xattr_sem); [ 52.617889][ T4529] lock(jbd2_handle); [ 52.618860][ T4529] lock(&ei->xattr_sem); [ 52.619864][ T4529] lock(&sbi->s_writepages_rwsem); [ 52.620582][ T4529] [ 52.620582][ T4529] *** DEADLOCK *** [ 52.620582][ T4529] [ 52.621689][ T4529] 3 locks held by syz.0.17/4529: [ 52.622381][ T4529] #0: ffff0000decf40e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 52.624097][ T4529] #1: ffff0000decf4650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 52.625679][ T4529] #2: ffff0000ea259ee0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.627346][ T4529] [ 52.627346][ T4529] stack backtrace: [ 52.628223][ T4529] CPU: 1 PID: 4529 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.629361][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.630875][ T4529] Call trace: [ 52.631328][ T4529] dump_backtrace+0x1c8/0x1f4 [ 52.632040][ T4529] show_stack+0x2c/0x3c [ 52.632680][ T4529] __dump_stack+0x30/0x40 [ 52.633382][ T4529] dump_stack_lvl+0xf8/0x160 [ 52.634095][ T4529] dump_stack+0x1c/0x5c [ 52.634640][ T4529] print_circular_bug+0x148/0x1b0 [ 52.635377][ T4529] check_noncircular+0x240/0x2d4 [ 52.636100][ T4529] __lock_acquire+0x293c/0x6544 [ 52.636730][ T4529] lock_acquire+0x20c/0x644 [ 52.637349][ T4529] percpu_down_read+0x70/0x2a8 [ 52.638055][ T4529] ext4_writepages+0x188/0x284c [ 52.638714][ T4529] do_writepages+0x2c0/0x4fc [ 52.639474][ T4529] __writeback_single_inode+0x164/0x157c [ 52.640300][ T4529] writeback_single_inode+0x1c0/0x720 [ 52.641129][ T4529] write_inode_now+0x144/0x1b0 [ 52.641812][ T4529] iput+0x5cc/0x7f4 [ 52.642341][ T4529] ext4_xattr_block_set+0x17a4/0x2810 [ 52.643134][ T4529] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.643977][ T4529] __ext4_expand_extra_isize+0x298/0x358 [ 52.644716][ T4529] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.645514][ T4529] ext4_evict_inode+0xb58/0x1270 [ 52.646264][ T4529] evict+0x3c8/0x810 [ 52.646847][ T4529] iput+0x764/0x7f4 [ 52.647402][ T4529] ext4_process_orphan+0x240/0x2b4 [ 52.648245][ T4529] ext4_orphan_cleanup+0x908/0x104c [ 52.648991][ T4529] ext4_fill_super+0x6440/0x68a8 [ 52.649735][ T4529] get_tree_bdev+0x358/0x544 [ 52.650477][ T4529] ext4_get_tree+0x28/0x38 [ 52.651233][ T4529] vfs_get_tree+0x90/0x274 [ 52.651947][ T4529] do_new_mount+0x228/0x810 [ 52.652681][ T4529] path_mount+0x5b4/0xe78 [ 52.653370][ T4529] __arm64_sys_mount+0x49c/0x584 [ 52.654074][ T4529] invoke_syscall+0x98/0x2bc [ 52.654739][ T4529] el0_svc_common+0x138/0x258 [ 52.655476][ T4529] do_el0_svc+0x58/0x13c [ 52.656166][ T4529] el0_svc+0x58/0x138 [ 52.656838][ T4529] el0t_64_sync_handler+0x84/0xf0 [ 52.657677][ T4529] el0t_64_sync+0x18c/0x190 [ 52.660147][ T4529] ------------[ cut here ]------------ [ 52.661072][ T4529] EA inode 11 i_nlink=2 [ 52.661143][ T4529] WARNING: CPU: 0 PID: 4529 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.663296][ T4529] Modules linked in: [ 52.663839][ T4529] CPU: 0 PID: 4529 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.664806][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.666332][ T4529] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.667423][ T4529] pc : ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.668281][ T4529] lr : ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.669146][ T4529] sp : ffff800020d76e00 [ 52.669774][ T4529] x29: ffff800020d76ea0 x28: 0000000000000000 x27: dfff800000000000 [ 52.670917][ T4529] x26: 1fffe0001d451458 x25: ffff7000041aedc4 x24: 0000000000000000 [ 52.672144][ T4529] x23: ffff800017a15000 x22: ffff0000ea28a108 x21: 0000000000000002 [ 52.673312][ T4529] x20: 0000000000000001 x19: ffff0000ea28a0c8 x18: ffff800011a5bd40 [ 52.674689][ T4529] x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 [ 52.675833][ T4529] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 52.676967][ T4529] x11: ff008000081924a8 x10: 0000000000000000 x9 : e1fb0efd4c0b0300 [ 52.678174][ T4529] x8 : e1fb0efd4c0b0300 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.679370][ T4529] x5 : ffff800020d76898 x4 : ffff800015134e00 x3 : ffff800008313428 [ 52.680662][ T4529] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 52.681876][ T4529] Call trace: [ 52.682342][ T4529] ext4_xattr_inode_update_ref+0x42c/0x470 [ 52.683179][ T4529] ext4_xattr_set_entry+0x918/0x15ac [ 52.683928][ T4529] ext4_xattr_ibody_set+0x204/0x600 [ 52.684727][ T4529] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 52.685596][ T4529] __ext4_expand_extra_isize+0x298/0x358 [ 52.686389][ T4529] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.687127][ T4529] ext4_evict_inode+0xb58/0x1270 [ 52.687859][ T4529] evict+0x3c8/0x810 [ 52.688413][ T4529] iput+0x764/0x7f4 [ 52.689026][ T4529] ext4_process_orphan+0x240/0x2b4 [ 52.689780][ T4529] ext4_orphan_cleanup+0x908/0x104c [ 52.690477][ T4529] ext4_fill_super+0x6440/0x68a8 [ 52.691216][ T4529] get_tree_bdev+0x358/0x544 [ 52.691872][ T4529] ext4_get_tree+0x28/0x38 [ 52.692544][ T4529] vfs_get_tree+0x90/0x274 [ 52.693229][ T4529] do_new_mount+0x228/0x810 [ 52.693885][ T4529] path_mount+0x5b4/0xe78 [ 52.694460][ T4529] __arm64_sys_mount+0x49c/0x584 [ 52.695089][ T4529] invoke_syscall+0x98/0x2bc [ 52.695720][ T4529] el0_svc_common+0x138/0x258 [ 52.696346][ T4529] do_el0_svc+0x58/0x13c [ 52.696988][ T4529] el0_svc+0x58/0x138 [ 52.697567][ T4529] el0t_64_sync_handler+0x84/0xf0 [ 52.698325][ T4529] el0t_64_sync+0x18c/0x190 [ 52.699059][ T4529] irq event stamp: 6103 [ 52.699719][ T4529] hardirqs last enabled at (6103): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 52.701245][ T4529] hardirqs last disabled at (6102): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 52.702641][ T4529] softirqs last enabled at (5550): [] handle_softirqs+0xaf8/0xc6c [ 52.704057][ T4529] softirqs last disabled at (5535): [] __do_softirq+0x14/0x20 [ 52.705294][ T4529] ---[ end trace 0000000000000000 ]--- [ 52.708396][ T4529] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.710793][ T4529] EXT4-fs (loop0): Remounting filesystem read-only [ 52.711789][ T4529] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 52.713822][ T4529] EXT4-fs (loop0): Remounting filesystem read-only [ 52.714857][ T4529] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.716811][ T4529] EXT4-fs (loop0): Remounting filesystem read-only [ 52.717776][ T4529] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 52.719786][ T4529] EXT4-fs (loop0): Remounting filesystem read-only [ 52.720838][ T4529] EXT4-fs (loop0): 1 orphan inode deleted [ 52.721694][ T4529] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 52.729666][ T4443] EXT4-fs (loop0): unmounting filesystem.