Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.343224][ T4327] cgroup: Unknown subsys name 'net' [ 34.590125][ T4327] cgroup: Unknown subsys name 'rlimit' [ 34.850608][ T4327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.396128][ T208] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.398191][ T208] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.399944][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.412088][ T208] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.413363][ T208] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.415019][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.723266][ T4386] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.724765][ T4386] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.726090][ T4386] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.728034][ T4386] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.729358][ T4386] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.730568][ T4386] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.980487][ T4418] chnl_net:caif_netlink_parms(): no params data found [ 40.004131][ T4418] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.005316][ T4418] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.006753][ T4418] device bridge_slave_0 entered promiscuous mode [ 40.009883][ T4418] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.011135][ T4418] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.012669][ T4418] device bridge_slave_1 entered promiscuous mode [ 40.020710][ T4418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.023188][ T4418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.031682][ T4418] team0: Port device team_slave_0 added [ 40.033487][ T4418] team0: Port device team_slave_1 added [ 40.040198][ T4418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.041298][ T4418] 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. [ 40.045615][ T4418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.048551][ T4418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.049579][ T4418] 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. [ 40.053314][ T4418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.099679][ T4418] device hsr_slave_0 entered promiscuous mode [ 40.137276][ T4418] device hsr_slave_1 entered promiscuous mode [ 40.221262][ T4418] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.270701][ T4418] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.308807][ T4418] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.368591][ T4418] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.440366][ T4418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.444511][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.446385][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.449272][ T4418] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.451619][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.453180][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.454816][ T1734] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.456142][ T1734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.458595][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.461554][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.463121][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.464631][ T1734] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.465759][ T1734] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.473581][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.475325][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.477415][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.479199][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.489698][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.492343][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.494061][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.496776][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.498744][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.501680][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.503232][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.505796][ T4418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.565452][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.566872][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.571261][ T4418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.576513][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.578687][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.594390][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.596133][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.598375][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.599767][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.602051][ T4418] device veth0_vlan entered promiscuous mode [ 40.605527][ T4418] device veth1_vlan entered promiscuous mode [ 40.612821][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.614395][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.616143][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.618145][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.621047][ T4418] device veth0_macvtap entered promiscuous mode [ 40.623571][ T4418] device veth1_macvtap entered promiscuous mode [ 40.636448][ T4418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.638259][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.639760][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.641231][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.642847][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.645482][ T4418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.646747][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.649053][ T1734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.651673][ T4418] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.653253][ T4418] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.654681][ T4418] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.656092][ T4418] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.861719][ T4386] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.863360][ T4386] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.864693][ T4386] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.866140][ T4386] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.868486][ T4386] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.869635][ T4386] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.062736][ T4444] chnl_net:caif_netlink_parms(): no params data found [ 41.127623][ T4444] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.128931][ T4444] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.130371][ T4444] device bridge_slave_0 entered promiscuous mode [ 41.132304][ T4444] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.133588][ T4444] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.135218][ T4444] device bridge_slave_1 entered promiscuous mode [ 41.142483][ T4444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.144915][ T4444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.154077][ T4444] team0: Port device team_slave_0 added [ 41.156760][ T4444] team0: Port device team_slave_1 added [ 41.162920][ T4444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.164054][ T4444] 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. [ 41.168569][ T4444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.171156][ T4444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.172260][ T4444] 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. [ 41.176604][ T4444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.499458][ T4444] device hsr_slave_0 entered promiscuous mode [ 41.578374][ T4444] device hsr_slave_1 entered promiscuous mode [ 41.618180][ T4444] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.619463][ T4444] Cannot create hsr debugfs directory [ 41.838664][ T4444] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.897567][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.178198][ T4444] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.977129][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 46.288333][ T4444] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.438863][ T4444] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.638725][ T4444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.748972][ T4444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.830506][ T4444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.921519][ T4444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.050072][ T4444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.053418][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.055014][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.058040][ T4444] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.060503][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.062113][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.063558][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.064633][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.065907][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.067293][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.102866][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.104485][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.106044][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.107185][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.109905][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.112481][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.115021][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.117538][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.119234][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.122073][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.123610][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.126495][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.128199][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.130691][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.132157][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.134338][ T4444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.204110][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.205453][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.209383][ T4444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.214947][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.216382][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.221724][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.223175][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.224600][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.226089][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.229268][ T4444] device veth0_vlan entered promiscuous mode [ 47.232528][ T4444] device veth1_vlan entered promiscuous mode [ 47.241349][ T1777] device hsr_slave_0 left promiscuous mode [ 47.267361][ T1777] device hsr_slave_1 left promiscuous mode [ 47.337224][ T1777] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.338442][ T1777] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.340868][ T1777] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.342050][ T1777] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.343532][ T1777] device bridge_slave_1 left promiscuous mode [ 47.344869][ T1777] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.387819][ T1777] device bridge_slave_0 left promiscuous mode [ 47.388869][ T1777] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.507339][ T1777] device veth1_macvtap left promiscuous mode [ 47.508410][ T1777] device veth0_macvtap left promiscuous mode [ 47.509368][ T1777] device veth1_vlan left promiscuous mode [ 47.510348][ T1777] device veth0_vlan left promiscuous mode [ 49.137386][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.258148][ T1777] team0 (unregistering): Port device team_slave_1 removed [ 49.447637][ T1777] team0 (unregistering): Port device team_slave_0 removed [ 49.637558][ T1777] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.867794][ T1777] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.479223][ T1777] bond0 (unregistering): Released all slaves [ 52.744444][ T4444] device veth0_macvtap entered promiscuous mode [ 52.746812][ T4444] device veth1_macvtap entered promiscuous mode [ 52.749244][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.750704][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.752183][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.753624][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.755548][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.758811][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.766101][ T4444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.769843][ T4444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.771394][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.772990][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.774492][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.776034][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.778689][ T4444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.780106][ T4444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.781494][ T4444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.782998][ T4444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.805834][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.807217][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.812711][ T208] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.814548][ T208] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.815839][ T208] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.817716][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.861475][ T4463] loop0: detected capacity change from 0 to 512 [ 52.879608][ T4463] [ 52.880039][ T4463] ====================================================== [ 52.881074][ T4463] WARNING: possible circular locking dependency detected [ 52.882127][ T4463] syzkaller #0 Not tainted [ 52.882875][ T4463] ------------------------------------------------------ [ 52.884113][ T4463] syz.0.17/4463 is trying to acquire lock: [ 52.884924][ T4463] ffff0000d2f46b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 52.886507][ T4463] [ 52.886507][ T4463] but task is already holding lock: [ 52.887564][ T4463] ffff0000e9d85b10 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.888981][ T4463] [ 52.888981][ T4463] which lock already depends on the new lock. [ 52.888981][ T4463] [ 52.890509][ T4463] [ 52.890509][ T4463] the existing dependency chain (in reverse order) is: [ 52.891946][ T4463] [ 52.891946][ T4463] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 52.893111][ T4463] down_read+0x64/0x304 [ 52.893833][ T4463] ext4_setattr+0x7c4/0x150c [ 52.894626][ T4463] notify_change+0xb0c/0xdcc [ 52.895385][ T4463] chown_common+0x414/0x574 [ 52.896156][ T4463] do_fchownat+0x158/0x268 [ 52.896835][ T4463] __arm64_sys_fchownat+0xb8/0xd4 [ 52.897698][ T4463] invoke_syscall+0x98/0x2bc [ 52.898615][ T4463] el0_svc_common+0x138/0x258 [ 52.899429][ T4463] do_el0_svc+0x58/0x13c [ 52.900119][ T4463] el0_svc+0x58/0x138 [ 52.900782][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.901621][ T4463] el0t_64_sync+0x18c/0x190 [ 52.902445][ T4463] [ 52.902445][ T4463] -> #1 (jbd2_handle){++++}-{0:0}: [ 52.903626][ T4463] start_this_handle+0xfe0/0x122c [ 52.904600][ T4463] jbd2__journal_start+0x288/0x51c [ 52.905537][ T4463] __ext4_journal_start_sb+0x2fc/0x674 [ 52.906524][ T4463] ext4_writepages+0xa28/0x284c [ 52.907335][ T4463] do_writepages+0x2c0/0x4fc [ 52.908162][ T4463] __writeback_single_inode+0x164/0x157c [ 52.909130][ T4463] writeback_sb_inodes+0x824/0x1404 [ 52.910014][ T4463] __writeback_inodes_wb+0x110/0x394 [ 52.910917][ T4463] wb_writeback+0x414/0xfb0 [ 52.911635][ T4463] wb_workfn+0xac0/0xd98 [ 52.912419][ T4463] process_one_work+0x7f4/0x13a8 [ 52.913221][ T4463] worker_thread+0x8c8/0xfbc [ 52.914017][ T4463] kthread+0x250/0x2d8 [ 52.914700][ T4463] ret_from_fork+0x10/0x20 [ 52.915451][ T4463] [ 52.915451][ T4463] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 52.916829][ T4463] __lock_acquire+0x293c/0x6544 [ 52.917691][ T4463] lock_acquire+0x20c/0x644 [ 52.918546][ T4463] percpu_down_read+0x70/0x2a8 [ 52.919449][ T4463] ext4_writepages+0x188/0x284c [ 52.920342][ T4463] do_writepages+0x2c0/0x4fc [ 52.921155][ T4463] __writeback_single_inode+0x164/0x157c [ 52.922089][ T4463] writeback_single_inode+0x1c0/0x720 [ 52.922963][ T4463] write_inode_now+0x144/0x1b0 [ 52.923820][ T4463] iput+0x5cc/0x7f4 [ 52.924490][ T4463] ext4_xattr_block_set+0x17a4/0x2810 [ 52.925525][ T4463] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.926561][ T4463] __ext4_expand_extra_isize+0x298/0x358 [ 52.927580][ T4463] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.928481][ T4463] ext4_evict_inode+0xb58/0x1270 [ 52.929309][ T4463] evict+0x3c8/0x810 [ 52.930043][ T4463] iput+0x764/0x7f4 [ 52.930690][ T4463] ext4_process_orphan+0x240/0x2b4 [ 52.931501][ T4463] ext4_orphan_cleanup+0x908/0x104c [ 52.932297][ T4463] ext4_fill_super+0x6920/0x6e34 [ 52.933077][ T4463] get_tree_bdev+0x358/0x544 [ 52.933854][ T4463] ext4_get_tree+0x28/0x38 [ 52.934620][ T4463] vfs_get_tree+0x90/0x274 [ 52.935381][ T4463] do_new_mount+0x228/0x810 [ 52.936187][ T4463] path_mount+0x5b4/0xe78 [ 52.937022][ T4463] __arm64_sys_mount+0x49c/0x584 [ 52.937876][ T4463] invoke_syscall+0x98/0x2bc [ 52.938672][ T4463] el0_svc_common+0x138/0x258 [ 52.939468][ T4463] do_el0_svc+0x58/0x13c [ 52.940185][ T4463] el0_svc+0x58/0x138 [ 52.940861][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.941620][ T4463] el0t_64_sync+0x18c/0x190 [ 52.942383][ T4463] [ 52.942383][ T4463] other info that might help us debug this: [ 52.942383][ T4463] [ 52.943866][ T4463] Chain exists of: [ 52.943866][ T4463] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 52.943866][ T4463] [ 52.945742][ T4463] Possible unsafe locking scenario: [ 52.945742][ T4463] [ 52.946797][ T4463] CPU0 CPU1 [ 52.947596][ T4463] ---- ---- [ 52.948353][ T4463] lock(&ei->xattr_sem); [ 52.948997][ T4463] lock(jbd2_handle); [ 52.950078][ T4463] lock(&ei->xattr_sem); [ 52.951209][ T4463] lock(&sbi->s_writepages_rwsem); [ 52.952066][ T4463] [ 52.952066][ T4463] *** DEADLOCK *** [ 52.952066][ T4463] [ 52.953403][ T4463] 3 locks held by syz.0.17/4463: [ 52.954198][ T4463] #0: ffff0000d2f440e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 52.955969][ T4463] #1: ffff0000d2f44650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 52.957439][ T4463] #2: ffff0000e9d85b10 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.959108][ T4463] [ 52.959108][ T4463] stack backtrace: [ 52.960133][ T4463] CPU: 0 PID: 4463 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.961280][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.962722][ T4463] Call trace: [ 52.963206][ T4463] dump_backtrace+0x1c8/0x1f4 [ 52.963867][ T4463] show_stack+0x2c/0x3c [ 52.964464][ T4463] __dump_stack+0x30/0x40 [ 52.965068][ T4463] dump_stack_lvl+0xf8/0x160 [ 52.965748][ T4463] dump_stack+0x1c/0x5c [ 52.966307][ T4463] print_circular_bug+0x148/0x1b0 [ 52.966982][ T4463] check_noncircular+0x240/0x2d4 [ 52.967692][ T4463] __lock_acquire+0x293c/0x6544 [ 52.968374][ T4463] lock_acquire+0x20c/0x644 [ 52.969120][ T4463] percpu_down_read+0x70/0x2a8 [ 52.969927][ T4463] ext4_writepages+0x188/0x284c [ 52.970647][ T4463] do_writepages+0x2c0/0x4fc [ 52.971232][ T4463] __writeback_single_inode+0x164/0x157c [ 52.972167][ T4463] writeback_single_inode+0x1c0/0x720 [ 52.972976][ T4463] write_inode_now+0x144/0x1b0 [ 52.973775][ T4463] iput+0x5cc/0x7f4 [ 52.974358][ T4463] ext4_xattr_block_set+0x17a4/0x2810 [ 52.975221][ T4463] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.976138][ T4463] __ext4_expand_extra_isize+0x298/0x358 [ 52.977047][ T4463] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.977840][ T4463] ext4_evict_inode+0xb58/0x1270 [ 52.978550][ T4463] evict+0x3c8/0x810 [ 52.979197][ T4463] iput+0x764/0x7f4 [ 52.979733][ T4463] ext4_process_orphan+0x240/0x2b4 [ 52.980607][ T4463] ext4_orphan_cleanup+0x908/0x104c [ 52.981385][ T4463] ext4_fill_super+0x6920/0x6e34 [ 52.982178][ T4463] get_tree_bdev+0x358/0x544 [ 52.982903][ T4463] ext4_get_tree+0x28/0x38 [ 52.983630][ T4463] vfs_get_tree+0x90/0x274 [ 52.984326][ T4463] do_new_mount+0x228/0x810 [ 52.985052][ T4463] path_mount+0x5b4/0xe78 [ 52.985741][ T4463] __arm64_sys_mount+0x49c/0x584 [ 52.986683][ T4463] invoke_syscall+0x98/0x2bc [ 52.987369][ T4463] el0_svc_common+0x138/0x258 [ 52.988045][ T4463] do_el0_svc+0x58/0x13c [ 52.988628][ T4463] el0_svc+0x58/0x138 [ 52.989192][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 52.989908][ T4463] el0t_64_sync+0x18c/0x190 [ 52.991961][ T4463] ------------[ cut here ]------------ [ 52.992797][ T4463] EA inode 11 i_nlink=2 [ 52.992865][ T4463] WARNING: CPU: 0 PID: 4463 at fs/ext4/xattr.c:1021 ext4_xattr_inode_update_ref+0x468/0x4ac [ 52.994818][ T4463] Modules linked in: [ 52.995384][ T4463] CPU: 0 PID: 4463 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.996341][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.997694][ T4463] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.998745][ T4463] pc : ext4_xattr_inode_update_ref+0x468/0x4ac [ 52.999611][ T4463] lr : ext4_xattr_inode_update_ref+0x464/0x4ac [ 53.000434][ T4463] sp : ffff800021366e80 [ 53.000998][ T4463] x29: ffff800021366f00 x28: 0000000000000000 x27: dfff800000000000 [ 53.002120][ T4463] x26: 1fffe0001d39f095 x25: ffff70000426cdd0 x24: 0000000000000000 [ 53.003182][ T4463] x23: ffff800017a8b000 x22: ffff800021366e80 x21: 0000000000000002 [ 53.004247][ T4463] x20: 0000000000000001 x19: ffff0000e9cf82b0 x18: ffff800011abbcc0 [ 53.005325][ T4463] x17: 0000000000000000 x16: ffff800008042c8c x15: 0000000000000000 [ 53.006518][ T4463] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 53.007698][ T4463] x11: ff00800008191ca8 x10: 0000000000000000 x9 : d55defe1b6793900 [ 53.008802][ T4463] x8 : d55defe1b6793900 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.009869][ T4463] x5 : ffff800021366918 x4 : ffff8000151a4820 x3 : ffff800008311d00 [ 53.011015][ T4463] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.012135][ T4463] Call trace: [ 53.012666][ T4463] ext4_xattr_inode_update_ref+0x468/0x4ac [ 53.013630][ T4463] ext4_xattr_set_entry+0x918/0x15ac [ 53.014586][ T4463] ext4_xattr_ibody_set+0x204/0x600 [ 53.015425][ T4463] ext4_expand_extra_isize_ea+0xd00/0x15cc [ 53.016361][ T4463] __ext4_expand_extra_isize+0x298/0x358 [ 53.017314][ T4463] __ext4_mark_inode_dirty+0x3e4/0x790 [ 53.018282][ T4463] ext4_evict_inode+0xb58/0x1270 [ 53.019135][ T4463] evict+0x3c8/0x810 [ 53.019727][ T4463] iput+0x764/0x7f4 [ 53.020290][ T4463] ext4_process_orphan+0x240/0x2b4 [ 53.021092][ T4463] ext4_orphan_cleanup+0x908/0x104c [ 53.021979][ T4463] ext4_fill_super+0x6920/0x6e34 [ 53.022749][ T4463] get_tree_bdev+0x358/0x544 [ 53.023451][ T4463] ext4_get_tree+0x28/0x38 [ 53.024139][ T4463] vfs_get_tree+0x90/0x274 [ 53.024855][ T4463] do_new_mount+0x228/0x810 [ 53.025495][ T4463] path_mount+0x5b4/0xe78 [ 53.026251][ T4463] __arm64_sys_mount+0x49c/0x584 [ 53.027131][ T4463] invoke_syscall+0x98/0x2bc [ 53.027883][ T4463] el0_svc_common+0x138/0x258 [ 53.028665][ T4463] do_el0_svc+0x58/0x13c [ 53.029424][ T4463] el0_svc+0x58/0x138 [ 53.030075][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 53.030848][ T4463] el0t_64_sync+0x18c/0x190 [ 53.031526][ T4463] irq event stamp: 4261 [ 53.032218][ T4463] hardirqs last enabled at (4261): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 53.033878][ T4463] hardirqs last disabled at (4260): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 53.035347][ T4463] softirqs last enabled at (3674): [] handle_softirqs+0xaf8/0xc6c [ 53.036817][ T4463] softirqs last disabled at (3655): [] __do_softirq+0x14/0x20 [ 53.038135][ T4463] ---[ end trace 0000000000000000 ]--- [ 53.039645][ T4463] EXT4-fs (loop0): 1 orphan inode deleted [ 53.040555][ T4463] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 53.052836][ T4444] EXT4-fs (loop0): unmounting filesystem.