Warning: Permanently added '10.128.1.44' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://33475 syzkaller login: [ 32.708541][ T4342] cgroup: Unknown subsys name 'net' [ 32.991037][ T4342] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.268842][ T4342] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.672164][ T4356] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.673699][ T4356] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.675030][ T4356] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.676485][ T4356] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.677787][ T4356] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.679557][ T4356] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.685874][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.687379][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.689641][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.701834][ T62] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.703261][ T62] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.704649][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.981886][ T4431] chnl_net:caif_netlink_parms(): no params data found [ 38.999698][ T4431] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.001111][ T4431] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.002877][ T4431] device bridge_slave_0 entered promiscuous mode [ 39.005250][ T4431] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.006571][ T4431] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.008161][ T4431] device bridge_slave_1 entered promiscuous mode [ 39.015316][ T4431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.017819][ T4431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.025239][ T4431] team0: Port device team_slave_0 added [ 39.027122][ T4431] team0: Port device team_slave_1 added [ 39.032598][ T4431] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.033786][ T4431] 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. [ 39.038188][ T4431] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.041347][ T4431] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.042386][ T4431] 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. [ 39.046599][ T4431] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.080065][ T4431] device hsr_slave_0 entered promiscuous mode [ 39.118602][ T4431] device hsr_slave_1 entered promiscuous mode [ 39.201968][ T4431] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.238294][ T4431] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.279669][ T4431] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.328176][ T4431] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.399379][ T4431] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.400589][ T4431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.402058][ T4431] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.403215][ T4431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.420553][ T4431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.424398][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.426794][ T62] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.429183][ T62] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.433562][ T4431] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.436793][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.441383][ T62] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.442425][ T62] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.452244][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.453968][ T62] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.455177][ T62] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.461831][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.463605][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.466609][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.470747][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.473753][ T62] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.476260][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.543074][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.544440][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.547721][ T4431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.555351][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.569284][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.571225][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.572725][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.575457][ T4431] device veth0_vlan entered promiscuous mode [ 39.580325][ T4431] device veth1_vlan entered promiscuous mode [ 39.586940][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.588485][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.590151][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.592555][ T4431] device veth0_macvtap entered promiscuous mode [ 39.595083][ T4431] device veth1_macvtap entered promiscuous mode [ 39.601494][ T4431] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.602793][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.604858][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.608284][ T4431] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.610261][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.618315][ T4431] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.620789][ T4431] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.622338][ T4431] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.623830][ T4431] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.205130][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.206677][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.208171][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.210390][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.211999][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.213307][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.560746][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.599538][ T4449] chnl_net:caif_netlink_parms(): no params data found [ 40.615056][ T4449] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.616449][ T4449] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.617970][ T4449] device bridge_slave_0 entered promiscuous mode [ 40.620735][ T4449] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.622029][ T4449] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.623498][ T4449] device bridge_slave_1 entered promiscuous mode [ 40.630092][ T4449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.632495][ T4449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.639145][ T4449] team0: Port device team_slave_0 added [ 40.641361][ T4449] team0: Port device team_slave_1 added [ 40.647029][ T4449] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.648282][ T4449] 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. [ 40.653148][ T4449] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.655535][ T4449] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.656807][ T4449] 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. [ 40.661885][ T4449] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.719457][ T4449] device hsr_slave_0 entered promiscuous mode [ 40.758501][ T4449] device hsr_slave_1 entered promiscuous mode [ 40.798517][ T4449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.799868][ T4449] Cannot create hsr debugfs directory [ 42.238667][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 43.049793][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.318728][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 45.429520][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.510633][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.398934][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 46.476235][ T4449] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.519950][ T4449] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.559433][ T4449] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.684275][ T4449] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.816556][ T4449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.821326][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.823028][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.825661][ T4449] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.828283][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.830360][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.831889][ T4419] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.833147][ T4419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.834909][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.837486][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.839966][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.841517][ T4419] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.842634][ T4419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.874274][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.877021][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.881836][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.883655][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.885344][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.888244][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.890283][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.893158][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.894677][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.897321][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.899810][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.902531][ T4449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.006399][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.007917][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.012201][ T4449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.017623][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.021010][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.058966][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.061017][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.062743][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.064264][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.066700][ T4449] device veth0_vlan entered promiscuous mode [ 47.070105][ T4449] device veth1_vlan entered promiscuous mode [ 47.077145][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.079000][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.080629][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.082204][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.084705][ T4449] device veth0_macvtap entered promiscuous mode [ 47.087067][ T4449] device veth1_macvtap entered promiscuous mode [ 47.091836][ T4449] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.093571][ T4449] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.095728][ T4449] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.097001][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.100120][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.101626][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.103324][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.164127][ T4449] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.165992][ T4449] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.168036][ T4449] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.169771][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.171405][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.174417][ T4449] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.176021][ T4449] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.177600][ T4449] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.179246][ T4449] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.197173][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.198779][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.200454][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.206208][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.207587][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.210665][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.323105][ T4534] loop0: detected capacity change from 0 to 32768 [ 47.324858][ T4534] ======================================================= [ 47.324858][ T4534] WARNING: The mand mount option has been deprecated and [ 47.324858][ T4534] and is ignored by this kernel. Remove the mand [ 47.324858][ T4534] option from the mount to silence this warning. [ 47.324858][ T4534] ======================================================= [ 47.346248][ T4534] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 47.351607][ T4534] [ 47.352052][ T4534] ====================================================== [ 47.353296][ T4534] WARNING: possible circular locking dependency detected [ 47.354553][ T4534] syzkaller #0 Not tainted [ 47.355355][ T4534] ------------------------------------------------------ [ 47.356539][ T4534] syz.0.17/4534 is trying to acquire lock: [ 47.357489][ T4534] ffff0000e4d5ed88 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x110/0x3d40 [ 47.359912][ T4534] [ 47.359912][ T4534] but task is already holding lock: [ 47.361231][ T4534] ffff0000e4f43ff8 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_xattr_set+0x348/0xf0c [ 47.362994][ T4534] [ 47.362994][ T4534] which lock already depends on the new lock. [ 47.362994][ T4534] [ 47.364883][ T4534] [ 47.364883][ T4534] the existing dependency chain (in reverse order) is: [ 47.366466][ T4534] [ 47.366466][ T4534] -> #4 (&oi->ip_xattr_sem){++++}-{3:3}: [ 47.367822][ T4534] down_read+0x64/0x300 [ 47.368647][ T4534] ocfs2_init_acl+0x264/0x61c [ 47.369582][ T4534] ocfs2_mknod+0x12b0/0x218c [ 47.370455][ T4534] ocfs2_create+0x19c/0x51c [ 47.371311][ T4534] path_openat+0xda8/0x27a0 [ 47.372136][ T4534] do_filp_open+0x198/0x38c [ 47.372982][ T4534] do_sys_openat2+0x134/0x3fc [ 47.373874][ T4534] __arm64_sys_openat+0x11c/0x150 [ 47.374829][ T4534] invoke_syscall+0x98/0x290 [ 47.375707][ T4534] el0_svc_common+0x13c/0x258 [ 47.376581][ T4534] do_el0_svc+0x5c/0x134 [ 47.377428][ T4534] el0_svc+0x58/0x128 [ 47.378222][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.379192][ T4534] el0t_64_sync+0x18c/0x190 [ 47.380065][ T4534] [ 47.380065][ T4534] -> #3 (&journal->j_trans_barrier){.+.+}-{3:3}: [ 47.381595][ T4534] down_read+0x64/0x300 [ 47.382432][ T4534] ocfs2_start_trans+0x38c/0x6f4 [ 47.383410][ T4534] ocfs2_mknod+0xd2c/0x218c [ 47.384284][ T4534] ocfs2_create+0x19c/0x51c [ 47.385186][ T4534] path_openat+0xda8/0x27a0 [ 47.386065][ T4534] do_filp_open+0x198/0x38c [ 47.386966][ T4534] do_sys_openat2+0x134/0x3fc [ 47.387919][ T4534] __arm64_sys_openat+0x11c/0x150 [ 47.388959][ T4534] invoke_syscall+0x98/0x290 [ 47.389809][ T4534] el0_svc_common+0x13c/0x258 [ 47.390702][ T4534] do_el0_svc+0x5c/0x134 [ 47.391533][ T4534] el0_svc+0x58/0x128 [ 47.392330][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.393238][ T4534] el0t_64_sync+0x18c/0x190 [ 47.394103][ T4534] [ 47.394103][ T4534] -> #2 (sb_internal#2){.+.+}-{0:0}: [ 47.395412][ T4534] ocfs2_start_trans+0x20c/0x6f4 [ 47.396352][ T4534] ocfs2_mknod+0xd2c/0x218c [ 47.397213][ T4534] ocfs2_create+0x19c/0x51c [ 47.398033][ T4534] path_openat+0xda8/0x27a0 [ 47.398904][ T4534] do_filp_open+0x198/0x38c [ 47.399765][ T4534] do_sys_openat2+0x134/0x3fc [ 47.400662][ T4534] __arm64_sys_openat+0x11c/0x150 [ 47.401625][ T4534] invoke_syscall+0x98/0x290 [ 47.402519][ T4534] el0_svc_common+0x13c/0x258 [ 47.403412][ T4534] do_el0_svc+0x5c/0x134 [ 47.404218][ T4534] el0_svc+0x58/0x128 [ 47.404980][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.405931][ T4534] el0t_64_sync+0x18c/0x190 [ 47.406809][ T4534] [ 47.406809][ T4534] -> #1 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}: [ 47.408624][ T4534] down_write+0x5c/0x88 [ 47.409534][ T4534] ocfs2_reserve_local_alloc_bits+0xe4/0x2830 [ 47.410658][ T4534] ocfs2_reserve_clusters_with_limit+0x188/0xa3c [ 47.411866][ T4534] ocfs2_reserve_clusters+0x3c/0x50 [ 47.412852][ T4534] ocfs2_mknod+0xcd4/0x218c [ 47.413744][ T4534] ocfs2_create+0x19c/0x51c [ 47.414657][ T4534] path_openat+0xda8/0x27a0 [ 47.415549][ T4534] do_filp_open+0x198/0x38c [ 47.416475][ T4534] do_sys_openat2+0x134/0x3fc [ 47.417429][ T4534] __arm64_sys_openat+0x11c/0x150 [ 47.418467][ T4534] invoke_syscall+0x98/0x290 [ 47.419386][ T4534] el0_svc_common+0x13c/0x258 [ 47.420357][ T4534] do_el0_svc+0x5c/0x134 [ 47.421161][ T4534] el0_svc+0x58/0x128 [ 47.421943][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.422923][ T4534] el0t_64_sync+0x18c/0x190 [ 47.423819][ T4534] [ 47.423819][ T4534] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}: [ 47.425695][ T4534] __lock_acquire+0x2808/0x6634 [ 47.426645][ T4534] lock_acquire+0x20c/0x638 [ 47.427478][ T4534] down_write+0x5c/0x88 [ 47.428256][ T4534] ocfs2_reserve_suballoc_bits+0x110/0x3d40 [ 47.429347][ T4534] ocfs2_reserve_new_metadata_blocks+0x340/0x7e4 [ 47.430542][ T4534] ocfs2_init_xattr_set_ctxt+0x310/0x7dc [ 47.431660][ T4534] ocfs2_xattr_set+0x978/0xf0c [ 47.432569][ T4534] ocfs2_xattr_trusted_set+0x4c/0x64 [ 47.433555][ T4534] __vfs_setxattr+0x374/0x390 [ 47.434462][ T4534] __vfs_setxattr_noperm+0x120/0x56c [ 47.435496][ T4534] __vfs_setxattr_locked+0x1e8/0x214 [ 47.436474][ T4534] vfs_setxattr+0x158/0x2a8 [ 47.437332][ T4534] setxattr+0x258/0x2d8 [ 47.438143][ T4534] path_setxattr+0x130/0x260 [ 47.439088][ T4534] __arm64_sys_lsetxattr+0xc4/0xe0 [ 47.440069][ T4534] invoke_syscall+0x98/0x290 [ 47.440970][ T4534] el0_svc_common+0x13c/0x258 [ 47.441962][ T4534] do_el0_svc+0x5c/0x134 [ 47.442858][ T4534] el0_svc+0x58/0x128 [ 47.443659][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.444684][ T4534] el0t_64_sync+0x18c/0x190 [ 47.445630][ T4534] [ 47.445630][ T4534] other info that might help us debug this: [ 47.445630][ T4534] [ 47.447398][ T4534] Chain exists of: [ 47.447398][ T4534] &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3 --> &journal->j_trans_barrier --> &oi->ip_xattr_sem [ 47.447398][ T4534] [ 47.450322][ T4534] Possible unsafe locking scenario: [ 47.450322][ T4534] [ 47.451627][ T4534] CPU0 CPU1 [ 47.452539][ T4534] ---- ---- [ 47.453429][ T4534] lock(&oi->ip_xattr_sem); [ 47.454233][ T4534] lock(&journal->j_trans_barrier); [ 47.455603][ T4534] lock(&oi->ip_xattr_sem); [ 47.456826][ T4534] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3); [ 47.458064][ T4534] [ 47.458064][ T4534] *** DEADLOCK *** [ 47.458064][ T4534] [ 47.459435][ T4534] 3 locks held by syz.0.17/4534: [ 47.460296][ T4534] #0: ffff0000d91ba460 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 47.461933][ T4534] #1: ffff0000e4f442c8 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: vfs_setxattr+0x138/0x2a8 [ 47.463804][ T4534] #2: ffff0000e4f43ff8 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_xattr_set+0x348/0xf0c [ 47.465394][ T4534] [ 47.465394][ T4534] stack backtrace: [ 47.466366][ T4534] CPU: 0 PID: 4534 Comm: syz.0.17 Not tainted syzkaller #0 [ 47.467592][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 47.469372][ T4534] Call trace: [ 47.469918][ T4534] dump_backtrace+0x1c4/0x1f0 [ 47.470765][ T4534] show_stack+0x2c/0x3c [ 47.471498][ T4534] __dump_stack+0x30/0x40 [ 47.472233][ T4534] dump_stack_lvl+0xf4/0x15c [ 47.473018][ T4534] dump_stack+0x1c/0x5c [ 47.473733][ T4534] print_circular_bug+0x148/0x1b0 [ 47.474623][ T4534] check_noncircular+0x264/0x2f8 [ 47.475484][ T4534] __lock_acquire+0x2808/0x6634 [ 47.476358][ T4534] lock_acquire+0x20c/0x638 [ 47.477178][ T4534] down_write+0x5c/0x88 [ 47.477892][ T4534] ocfs2_reserve_suballoc_bits+0x110/0x3d40 [ 47.478936][ T4534] ocfs2_reserve_new_metadata_blocks+0x340/0x7e4 [ 47.480019][ T4534] ocfs2_init_xattr_set_ctxt+0x310/0x7dc [ 47.480975][ T4534] ocfs2_xattr_set+0x978/0xf0c [ 47.481800][ T4534] ocfs2_xattr_trusted_set+0x4c/0x64 [ 47.482701][ T4534] __vfs_setxattr+0x374/0x390 [ 47.483511][ T4534] __vfs_setxattr_noperm+0x120/0x56c [ 47.484423][ T4534] __vfs_setxattr_locked+0x1e8/0x214 [ 47.485360][ T4534] vfs_setxattr+0x158/0x2a8 [ 47.486154][ T4534] setxattr+0x258/0x2d8 [ 47.486864][ T4534] path_setxattr+0x130/0x260 [ 47.487671][ T4534] __arm64_sys_lsetxattr+0xc4/0xe0 [ 47.488536][ T4534] invoke_syscall+0x98/0x290 [ 47.489358][ T4534] el0_svc_common+0x13c/0x258 [ 47.490149][ T4534] do_el0_svc+0x5c/0x134 [ 47.490850][ T4534] el0_svc+0x58/0x128 [ 47.491593][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.492367][ T4534] el0t_64_sync+0x18c/0x190 [ 47.503133][ T4449] ocfs2: Unmounting device (7,0) on (node local)