[ 9.556021][ T3989] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 9.588059][ T11] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.593907][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs syzkaller login: [ 33.092070][ T4335] cgroup: Unknown subsys name 'net' [ 33.317414][ T4335] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.580240][ T4335] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.047379][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.048801][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.053565][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.060473][ T1353] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.061894][ T1353] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.063362][ T1353] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.709658][ T4406] chnl_net:caif_netlink_parms(): no params data found [ 37.726585][ T4406] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.727959][ T4406] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.729615][ T4406] device bridge_slave_0 entered promiscuous mode [ 37.732364][ T4406] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.733637][ T4406] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.735519][ T4406] device bridge_slave_1 entered promiscuous mode [ 37.742128][ T4406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.744560][ T4406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.750915][ T4406] team0: Port device team_slave_0 added [ 37.753229][ T4406] team0: Port device team_slave_1 added [ 37.758501][ T4406] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.759734][ T4406] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.764477][ T4406] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.767691][ T4406] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.768882][ T4406] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.773459][ T4406] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.825991][ T4406] device hsr_slave_0 entered promiscuous mode [ 37.865027][ T4406] device hsr_slave_1 entered promiscuous mode [ 37.977683][ T4406] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.014566][ T4406] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.064300][ T4406] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.119132][ T4406] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.192377][ T4406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.197175][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.198997][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.201976][ T4406] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.204311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.206463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.208338][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.209641][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.211468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.223737][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.225951][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.227491][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.228777][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.231193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 38.234164][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 38.239095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 38.240961][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.242766][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.245835][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 38.247633][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.250389][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.251979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.254533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.257125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.259782][ T4406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.310150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.311724][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.315357][ T4406] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.322384][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.324163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.338280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.340022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.342216][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.343647][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.347246][ T4406] device veth0_vlan entered promiscuous mode [ 38.350714][ T4406] device veth1_vlan entered promiscuous mode [ 38.357409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.359056][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.360616][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.362232][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.372418][ T4406] device veth0_macvtap entered promiscuous mode [ 38.375767][ T4406] device veth1_macvtap entered promiscuous mode [ 38.381619][ T4406] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.383039][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.384838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 38.386433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.388140][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.390958][ T4406] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.392357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.394004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.398017][ T4406] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.399616][ T4406] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.401236][ T4406] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.402882][ T4406] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.497561][ T4433] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.499221][ T4433] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.500662][ T4433] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.502245][ T4433] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.503688][ T4433] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.505498][ T4433] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:38 executed programs: 0 [ 38.972283][ T47] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 38.974074][ T47] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 38.976878][ T47] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 38.978730][ T47] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 38.980296][ T47] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 38.981690][ T47] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 39.246101][ T4443] chnl_net:caif_netlink_parms(): no params data found [ 39.302165][ T4443] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.303514][ T4443] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.306262][ T4443] device bridge_slave_0 entered promiscuous mode [ 39.308313][ T4443] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.309552][ T4443] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.311164][ T4443] device bridge_slave_1 entered promiscuous mode [ 39.317593][ T4443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.320204][ T4443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.327076][ T4443] team0: Port device team_slave_0 added [ 39.329743][ T4443] team0: Port device team_slave_1 added [ 39.334849][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.336147][ 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. [ 39.340716][ T4443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.343225][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.344453][ 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. [ 39.349637][ T4443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.455878][ T4443] device hsr_slave_0 entered promiscuous mode [ 39.494948][ T4443] device hsr_slave_1 entered promiscuous mode [ 39.534802][ T4443] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.536263][ T4443] Cannot create hsr debugfs directory [ 39.926745][ T4443] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.034872][ T47] Bluetooth: hci1: command 0x0409 tx timeout [ 42.457191][ T4443] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.114930][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 43.605876][ T4443] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.696588][ T4443] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.901502][ T4443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.989325][ T4443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.025891][ T4443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.157446][ T4443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.276228][ T4443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.279703][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.281283][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.283746][ T4443] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.286809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.288541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.290195][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.291482][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.293029][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.329544][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.331291][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.332851][ T4435] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.334132][ T4435] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.337951][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.341452][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.344151][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.346299][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.348023][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.350685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.352424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.356108][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.357700][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.360280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.361899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.365162][ T4443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.490552][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.491989][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.495012][ T4443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.501218][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.502976][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.509521][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.511136][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.512849][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.514389][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.516867][ T4443] device veth0_vlan entered promiscuous mode [ 44.519981][ T4443] device veth1_vlan entered promiscuous mode [ 44.527416][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.528995][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.530591][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.532243][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.534586][ T4443] device veth0_macvtap entered promiscuous mode [ 44.569837][ T4443] device veth1_macvtap entered promiscuous mode [ 44.574293][ T4443] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.576752][ T4443] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.578975][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.580280][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.581959][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.583535][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.585374][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.587797][ T4443] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.589663][ T4443] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.591902][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.593252][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.595428][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.598020][ T4443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.599595][ T4443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.601118][ T4443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.602685][ T4443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.608461][ T1596] device hsr_slave_0 left promiscuous mode [ 44.655877][ T1596] device hsr_slave_1 left promiscuous mode [ 44.754906][ T1596] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 44.756294][ T1596] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 44.758025][ T1596] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 44.759320][ T1596] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 44.760822][ T1596] device bridge_slave_1 left promiscuous mode [ 44.762227][ T1596] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.795491][ T1596] device bridge_slave_0 left promiscuous mode [ 44.796704][ T1596] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.935058][ T1596] device veth1_macvtap left promiscuous mode [ 44.936215][ T1596] device veth0_macvtap left promiscuous mode [ 44.937351][ T1596] device veth1_vlan left promiscuous mode [ 44.938469][ T1596] device veth0_vlan left promiscuous mode [ 45.194814][ T47] Bluetooth: hci1: command 0x040f tx timeout [ 47.037003][ T1596] team0 (unregistering): Port device team_slave_1 removed [ 47.215334][ T1596] team0 (unregistering): Port device team_slave_0 removed [ 47.274820][ T47] Bluetooth: hci1: command 0x0419 tx timeout [ 47.395291][ T1596] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 47.595154][ T1596] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.210494][ T1596] bond0 (unregistering): Released all slaves [ 49.555646][ T1353] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.559159][ T1353] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.561017][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.570898][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.572284][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.573837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.708670][ T4458] loop0: detected capacity change from 0 to 32768 [ 49.710476][ T4458] ======================================================= [ 49.710476][ T4458] WARNING: The mand mount option has been deprecated and [ 49.710476][ T4458] and is ignored by this kernel. Remove the mand [ 49.710476][ T4458] option from the mount to silence this warning. [ 49.710476][ T4458] ======================================================= [ 49.724867][ T4458] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 49.732230][ T4458] [ 49.732645][ T4458] ====================================================== [ 49.733875][ T4458] WARNING: possible circular locking dependency detected [ 49.735121][ T4458] syzkaller #0 Not tainted [ 49.735962][ T4458] ------------------------------------------------------ [ 49.737281][ T4458] syz.0.17/4458 is trying to acquire lock: [ 49.738350][ T4458] ffff0000e02fc650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0xb00/0x1930 [ 49.740123][ T4458] [ 49.740123][ T4458] but task is already holding lock: [ 49.741405][ T4458] ffff0000e5bd5be0 (&oi->ip_alloc_sem){+.+.}-{3:3}, at: ocfs2_setattr+0xaf4/0x1930 [ 49.743156][ T4458] [ 49.743156][ T4458] which lock already depends on the new lock. [ 49.743156][ T4458] [ 49.745097][ T4458] [ 49.745097][ T4458] the existing dependency chain (in reverse order) is: [ 49.746806][ T4458] [ 49.746806][ T4458] -> #3 (&oi->ip_alloc_sem){+.+.}-{3:3}: [ 49.748279][ T4458] down_write+0x5c/0x88 [ 49.749225][ T4458] ocfs2_try_remove_refcount_tree+0xb4/0x2e4 [ 49.750430][ T4458] ocfs2_xattr_set+0x480/0xf20 [ 49.751443][ T4458] ocfs2_set_acl+0x3ec/0x4a0 [ 49.752428][ T4458] ocfs2_iop_set_acl+0x178/0x258 [ 49.753491][ T4458] posix_acl_xattr_set+0x2f8/0x394 [ 49.754576][ T4458] __vfs_removexattr+0x36c/0x388 [ 49.755625][ T4458] __vfs_removexattr_locked+0x1d0/0x208 [ 49.756798][ T4458] vfs_removexattr+0x80/0x190 [ 49.757810][ T4458] ovl_workdir_create+0x348/0x658 [ 49.758878][ T4458] ovl_get_workdir+0x318/0x10bc [ 49.759890][ T4458] ovl_fill_super+0x1390/0x2240 [ 49.760895][ T4458] mount_nodev+0x68/0x104 [ 49.761807][ T4458] ovl_mount+0x3c/0x50 [ 49.762689][ T4458] legacy_get_tree+0xd4/0x16c [ 49.763689][ T4458] vfs_get_tree+0x90/0x274 [ 49.764636][ T4458] do_new_mount+0x228/0x810 [ 49.765605][ T4458] path_mount+0x5bc/0xe80 [ 49.766544][ T4458] __arm64_sys_mount+0x49c/0x59c [ 49.767562][ T4458] invoke_syscall+0x98/0x2b4 [ 49.768641][ T4458] el0_svc_common+0x138/0x258 [ 49.769717][ T4458] do_el0_svc+0x58/0x130 [ 49.770677][ T4458] el0_svc+0x58/0x128 [ 49.771586][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 49.772693][ T4458] el0t_64_sync+0x18c/0x190 [ 49.773681][ T4458] [ 49.773681][ T4458] -> #2 (&oi->ip_xattr_sem){++++}-{3:3}: [ 49.775283][ T4458] down_read+0x64/0x300 [ 49.776238][ T4458] ocfs2_init_acl+0x264/0x61c [ 49.777301][ T4458] ocfs2_mknod+0x129c/0x2110 [ 49.778347][ T4458] ocfs2_mkdir+0x19c/0x4f8 [ 49.779362][ T4458] vfs_mkdir+0x314/0x4d4 [ 49.780334][ T4458] do_mkdirat+0x1b8/0x3ec [ 49.781331][ T4458] __arm64_sys_mkdirat+0x90/0xa8 [ 49.782440][ T4458] invoke_syscall+0x98/0x2b4 [ 49.783505][ T4458] el0_svc_common+0x138/0x258 [ 49.784576][ T4458] do_el0_svc+0x58/0x130 [ 49.785500][ T4458] el0_svc+0x58/0x128 [ 49.786376][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 49.787472][ T4458] el0t_64_sync+0x18c/0x190 [ 49.788436][ T4458] [ 49.788436][ T4458] -> #1 (&journal->j_trans_barrier){.+.+}-{3:3}: [ 49.790074][ T4458] down_read+0x64/0x300 [ 49.790991][ T4458] ocfs2_start_trans+0x374/0x6cc [ 49.792056][ T4458] ocfs2_mknod+0xd1c/0x2110 [ 49.793051][ T4458] ocfs2_mkdir+0x19c/0x4f8 [ 49.794030][ T4458] vfs_mkdir+0x314/0x4d4 [ 49.794974][ T4458] do_mkdirat+0x1b8/0x3ec [ 49.795935][ T4458] __arm64_sys_mkdirat+0x90/0xa8 [ 49.797020][ T4458] invoke_syscall+0x98/0x2b4 [ 49.798032][ T4458] el0_svc_common+0x138/0x258 [ 49.799064][ T4458] do_el0_svc+0x58/0x130 [ 49.799978][ T4458] el0_svc+0x58/0x128 [ 49.800861][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 49.801929][ T4458] el0t_64_sync+0x18c/0x190 [ 49.802817][ T4458] [ 49.802817][ T4458] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 49.804271][ T4458] __lock_acquire+0x2880/0x6800 [ 49.805313][ T4458] lock_acquire+0x20c/0x63c [ 49.806309][ T4458] ocfs2_start_trans+0x20c/0x6cc [ 49.807411][ T4458] ocfs2_setattr+0xb00/0x1930 [ 49.808359][ T4458] notify_change+0xb0c/0xdcc [ 49.809329][ T4458] ovl_workdir_create+0x4bc/0x658 [ 49.810368][ T4458] ovl_get_workdir+0x318/0x10bc [ 49.811383][ T4458] ovl_fill_super+0x1390/0x2240 [ 49.812409][ T4458] mount_nodev+0x68/0x104 [ 49.813356][ T4458] ovl_mount+0x3c/0x50 [ 49.814326][ T4458] legacy_get_tree+0xd4/0x16c [ 49.815342][ T4458] vfs_get_tree+0x90/0x274 [ 49.816304][ T4458] do_new_mount+0x228/0x810 [ 49.817259][ T4458] path_mount+0x5bc/0xe80 [ 49.818188][ T4458] __arm64_sys_mount+0x49c/0x59c [ 49.819219][ T4458] invoke_syscall+0x98/0x2b4 [ 49.820207][ T4458] el0_svc_common+0x138/0x258 [ 49.821218][ T4458] do_el0_svc+0x58/0x130 [ 49.822146][ T4458] el0_svc+0x58/0x128 [ 49.823030][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 49.824101][ T4458] el0t_64_sync+0x18c/0x190 [ 49.825078][ T4458] [ 49.825078][ T4458] other info that might help us debug this: [ 49.825078][ T4458] [ 49.827036][ T4458] Chain exists of: [ 49.827036][ T4458] sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 49.827036][ T4458] [ 49.829626][ T4458] Possible unsafe locking scenario: [ 49.829626][ T4458] [ 49.830957][ T4458] CPU0 CPU1 [ 49.831954][ T4458] ---- ---- [ 49.832907][ T4458] lock(&oi->ip_alloc_sem); [ 49.833749][ T4458] lock(&oi->ip_xattr_sem); [ 49.835156][ T4458] lock(&oi->ip_alloc_sem); [ 49.836537][ T4458] lock(sb_internal#2); [ 49.837351][ T4458] [ 49.837351][ T4458] *** DEADLOCK *** [ 49.837351][ T4458] [ 49.838900][ T4458] 5 locks held by syz.0.17/4458: [ 49.839847][ T4458] #0: ffff0000e03420e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x800 [ 49.841829][ T4458] #1: ffff0000e02fc460 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 49.843651][ T4458] #2: ffff0000e5bd5108 (&sb->s_type->i_mutex_key#20/1){+.+.}-{3:3}, at: ovl_workdir_create+0x128/0x658 [ 49.845929][ T4458] #3: ffff0000e5bd5f48 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: ovl_workdir_create+0x460/0x658 [ 49.848140][ T4458] #4: ffff0000e5bd5be0 (&oi->ip_alloc_sem){+.+.}-{3:3}, at: ocfs2_setattr+0xaf4/0x1930 [ 49.850097][ T4458] [ 49.850097][ T4458] stack backtrace: [ 49.851257][ T4458] CPU: 0 PID: 4458 Comm: syz.0.17 Not tainted syzkaller #0 [ 49.852675][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.854633][ T4458] Call trace: [ 49.855285][ T4458] dump_backtrace+0x1c0/0x1ec [ 49.856197][ T4458] show_stack+0x2c/0x3c [ 49.856998][ T4458] __dump_stack+0x30/0x40 [ 49.857842][ T4458] dump_stack_lvl+0xf4/0x15c [ 49.858749][ T4458] dump_stack+0x1c/0x5c [ 49.859558][ T4458] print_circular_bug+0x148/0x1b0 [ 49.860544][ T4458] check_noncircular+0x264/0x2f8 [ 49.861527][ T4458] __lock_acquire+0x2880/0x6800 [ 49.862438][ T4458] lock_acquire+0x20c/0x63c [ 49.863281][ T4458] ocfs2_start_trans+0x20c/0x6cc [ 49.864210][ T4458] ocfs2_setattr+0xb00/0x1930 [ 49.865089][ T4458] notify_change+0xb0c/0xdcc [ 49.865932][ T4458] ovl_workdir_create+0x4bc/0x658 [ 49.866916][ T4458] ovl_get_workdir+0x318/0x10bc [ 49.867863][ T4458] ovl_fill_super+0x1390/0x2240 [ 49.868804][ T4458] mount_nodev+0x68/0x104 [ 49.869658][ T4458] ovl_mount+0x3c/0x50 [ 49.870448][ T4458] legacy_get_tree+0xd4/0x16c [ 49.871423][ T4458] vfs_get_tree+0x90/0x274 [ 49.872332][ T4458] do_new_mount+0x228/0x810 [ 49.873232][ T4458] path_mount+0x5bc/0xe80 [ 49.874098][ T4458] __arm64_sys_mount+0x49c/0x59c [ 49.875045][ T4458] invoke_syscall+0x98/0x2b4 [ 49.875929][ T4458] el0_svc_common+0x138/0x258 [ 49.876843][ T4458] do_el0_svc+0x58/0x130 [ 49.877687][ T4458] el0_svc+0x58/0x128 [ 49.878452][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 49.879451][ T4458] el0t_64_sync+0x18c/0x190 [ 49.881513][ T4458] overlayfs: upper fs does not support tmpfile. [ 49.883882][ T4458] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 49.885729][ T4458] overlayfs: upper fs missing required features. [ 49.890240][ T4443] ocfs2: Unmounting device (7,0) on (node local)