Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.896592][ T4325] cgroup: Unknown subsys name 'net' [ 33.185020][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.456049][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.041391][ T4356] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.043231][ T4356] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.044724][ T4356] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.046152][ T4356] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.047471][ T4356] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.048679][ T4356] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.574765][ T4382] chnl_net:caif_netlink_parms(): no params data found [ 39.592015][ T4382] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.593228][ T4382] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.594668][ T4382] device bridge_slave_0 entered promiscuous mode [ 39.597030][ T4382] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.598173][ T4382] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.599640][ T4382] device bridge_slave_1 entered promiscuous mode [ 39.607437][ T4382] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.609709][ T4382] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.617465][ T4382] team0: Port device team_slave_0 added [ 39.619051][ T4382] team0: Port device team_slave_1 added [ 39.626275][ T4382] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.627434][ T4382] 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. [ 39.631030][ T4382] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.634412][ T4382] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.635601][ T4382] 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. [ 39.639299][ T4382] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.694858][ T4382] device hsr_slave_0 entered promiscuous mode [ 39.732410][ T4382] device hsr_slave_1 entered promiscuous mode [ 39.794289][ T4382] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.834024][ T4382] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.893400][ T4382] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.953611][ T4382] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.019750][ T4382] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.020936][ T4382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.022228][ T4382] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.023334][ T4382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.041040][ T4382] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.055843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.058458][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.060210][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.062302][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.066797][ T4382] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.070179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.071663][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.072832][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.084876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.086547][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.087658][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.094315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.100126][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.104717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.107574][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.110180][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.113780][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.174612][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.175852][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.179277][ T4382] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.185995][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.192561][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.194238][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.195435][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.197557][ T4382] device veth0_vlan entered promiscuous mode [ 40.200460][ T4382] device veth1_vlan entered promiscuous mode [ 40.208337][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.209758][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.211232][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.220247][ T4382] device veth0_macvtap entered promiscuous mode [ 40.224014][ T4382] device veth1_macvtap entered promiscuous mode [ 40.229243][ T4382] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.230510][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.232958][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.236995][ T4382] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.238358][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.240830][ T4382] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.242547][ T4382] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.243830][ T4382] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.245062][ T4382] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.183635][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.204794][ T1588] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.208437][ T1588] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.211147][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.215280][ T4415] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.216516][ T4415] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.218275][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:41 executed programs: 0 [ 41.434940][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.436626][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.438151][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.439620][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.440899][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.442627][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.489724][ T4436] chnl_net:caif_netlink_parms(): no params data found [ 41.505936][ T4436] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.507086][ T4436] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.508452][ T4436] device bridge_slave_0 entered promiscuous mode [ 41.510431][ T4436] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.511597][ T4436] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.513266][ T4436] device bridge_slave_1 entered promiscuous mode [ 41.520449][ T4436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.522844][ T4436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.529490][ T4436] team0: Port device team_slave_0 added [ 41.531621][ T4436] team0: Port device team_slave_1 added [ 41.538250][ T4436] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.539320][ T4436] 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. [ 41.543193][ T4436] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.546188][ T4436] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.547199][ T4436] 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. [ 41.550652][ T4436] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.603021][ T4436] device hsr_slave_0 entered promiscuous mode [ 41.642378][ T4436] device hsr_slave_1 entered promiscuous mode [ 41.682092][ T4436] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.683367][ T4436] Cannot create hsr debugfs directory [ 43.233491][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.462090][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 45.542371][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.573438][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.674773][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.815496][ T4436] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.914039][ T4436] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.003432][ T4436] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.045653][ T11] device hsr_slave_0 left promiscuous mode [ 47.082129][ T11] device hsr_slave_1 left promiscuous mode [ 47.162050][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.163295][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.164857][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.165980][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.167388][ T11] device bridge_slave_1 left promiscuous mode [ 47.168756][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.222997][ T11] device bridge_slave_0 left promiscuous mode [ 47.224069][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.372179][ T11] device veth1_macvtap left promiscuous mode [ 47.373216][ T11] device veth0_macvtap left promiscuous mode [ 47.374078][ T11] device veth1_vlan left promiscuous mode [ 47.374929][ T11] device veth0_vlan left promiscuous mode [ 47.621973][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.193069][ T11] team0 (unregistering): Port device team_slave_1 removed [ 49.392802][ T11] team0 (unregistering): Port device team_slave_0 removed [ 49.572602][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.701962][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.792910][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.203500][ T11] bond0 (unregistering): Released all slaves [ 52.403481][ T4436] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.474545][ T4436] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.477841][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.479152][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.481405][ T4436] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.483998][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.485606][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.486955][ T1572] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.487922][ T1572] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.489198][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.491398][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.493489][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.495026][ T1572] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.496107][ T1572] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.500802][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.504068][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.506541][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.508398][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.509840][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.516282][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.518072][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.520660][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.523202][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.525832][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.527336][ T1572] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.529935][ T4436] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.580853][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.582114][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.585135][ T4436] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.590396][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.593377][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.599016][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.600509][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.602074][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.603394][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.605563][ T4436] device veth0_vlan entered promiscuous mode [ 52.608447][ T4436] device veth1_vlan entered promiscuous mode [ 52.615608][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.616979][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.619085][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.620920][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.623664][ T4436] device veth0_macvtap entered promiscuous mode [ 52.625877][ T4436] device veth1_macvtap entered promiscuous mode [ 52.630387][ T4436] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.631566][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.633689][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.634998][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.636528][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.640714][ T4436] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.641890][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.643652][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.646034][ T4436] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.647291][ T4436] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.648454][ T4436] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.649609][ T4436] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.668659][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.669892][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.671550][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.680898][ T4415] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.682969][ T4415] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.684669][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.713847][ T4492] loop0: detected capacity change from 0 to 512 [ 52.717648][ T4492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.727589][ T4492] [ 52.728009][ T4492] ====================================================== [ 52.729016][ T4492] WARNING: possible circular locking dependency detected [ 52.730066][ T4492] syzkaller #0 Not tainted [ 52.730699][ T4492] ------------------------------------------------------ [ 52.731712][ T4492] syz.0.17/4492 is trying to acquire lock: [ 52.732484][ T4492] ffff0000d5276b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x188/0x284c [ 52.733886][ T4492] [ 52.733886][ T4492] but task is already holding lock: [ 52.734835][ T4492] ffff0000e0bee518 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.736212][ T4492] [ 52.736212][ T4492] which lock already depends on the new lock. [ 52.736212][ T4492] [ 52.737632][ T4492] [ 52.737632][ T4492] the existing dependency chain (in reverse order) is: [ 52.738861][ T4492] [ 52.738861][ T4492] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 52.739845][ T4492] down_read+0x64/0x304 [ 52.740502][ T4492] ext4_setattr+0x7c4/0x150c [ 52.741076][ T4492] notify_change+0xb0c/0xdcc [ 52.741655][ T4492] chown_common+0x414/0x574 [ 52.742226][ T4492] do_fchownat+0x158/0x268 [ 52.742771][ T4492] __arm64_sys_fchownat+0xb8/0xd4 [ 52.743489][ T4492] invoke_syscall+0x98/0x2bc [ 52.744175][ T4492] el0_svc_common+0x138/0x258 [ 52.744835][ T4492] do_el0_svc+0x58/0x13c [ 52.745429][ T4492] el0_svc+0x58/0x138 [ 52.746031][ T4492] el0t_64_sync_handler+0x84/0xf0 [ 52.746778][ T4492] el0t_64_sync+0x18c/0x190 [ 52.747464][ T4492] [ 52.747464][ T4492] -> #1 (jbd2_handle){.+.+}-{0:0}: [ 52.748487][ T4492] start_this_handle+0xfe0/0x122c [ 52.749224][ T4492] jbd2__journal_start+0x288/0x51c [ 52.749994][ T4492] __ext4_journal_start_sb+0x2fc/0x674 [ 52.750773][ T4492] ext4_writepages+0xa28/0x284c [ 52.751481][ T4492] do_writepages+0x2c0/0x4fc [ 52.752159][ T4492] __writeback_single_inode+0x164/0x157c [ 52.753038][ T4492] writeback_sb_inodes+0x824/0x1404 [ 52.753822][ T4492] __writeback_inodes_wb+0x110/0x394 [ 52.754543][ T4492] wb_writeback+0x414/0xfb0 [ 52.755168][ T4492] wb_workfn+0xac0/0xd98 [ 52.755802][ T4492] process_one_work+0x7f4/0x13a8 [ 52.756540][ T4492] worker_thread+0x8c8/0xfbc [ 52.757212][ T4492] kthread+0x250/0x2d8 [ 52.757851][ T4492] ret_from_fork+0x10/0x20 [ 52.758474][ T4492] [ 52.758474][ T4492] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 52.759571][ T4492] __lock_acquire+0x293c/0x6544 [ 52.760288][ T4492] lock_acquire+0x20c/0x644 [ 52.760955][ T4492] percpu_down_read+0x70/0x2a8 [ 52.761665][ T4492] ext4_writepages+0x188/0x284c [ 52.762371][ T4492] do_writepages+0x2c0/0x4fc [ 52.763045][ T4492] __writeback_single_inode+0x164/0x157c [ 52.763863][ T4492] writeback_single_inode+0x1c0/0x720 [ 52.764642][ T4492] write_inode_now+0x144/0x1b0 [ 52.765340][ T4492] iput+0x5cc/0x7f4 [ 52.765912][ T4492] ext4_xattr_block_set+0x17a4/0x2810 [ 52.766674][ T4492] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.767525][ T4492] __ext4_expand_extra_isize+0x298/0x358 [ 52.768431][ T4492] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.769220][ T4492] ext4_evict_inode+0xb58/0x1270 [ 52.770047][ T4492] evict+0x3c8/0x810 [ 52.770816][ T4492] iput+0x764/0x7f4 [ 52.771421][ T4492] ext4_process_orphan+0x240/0x2b4 [ 52.772227][ T4492] ext4_orphan_cleanup+0x908/0x104c [ 52.773014][ T4492] ext4_fill_super+0x6440/0x68a8 [ 52.773813][ T4492] get_tree_bdev+0x358/0x544 [ 52.774523][ T4492] ext4_get_tree+0x28/0x38 [ 52.775205][ T4492] vfs_get_tree+0x90/0x274 [ 52.775979][ T4492] do_new_mount+0x228/0x810 [ 52.776687][ T4492] path_mount+0x5b4/0xe78 [ 52.777393][ T4492] __arm64_sys_mount+0x49c/0x584 [ 52.778177][ T4492] invoke_syscall+0x98/0x2bc [ 52.778914][ T4492] el0_svc_common+0x138/0x258 [ 52.779662][ T4492] do_el0_svc+0x58/0x13c [ 52.780343][ T4492] el0_svc+0x58/0x138 [ 52.780972][ T4492] el0t_64_sync_handler+0x84/0xf0 [ 52.781775][ T4492] el0t_64_sync+0x18c/0x190 [ 52.782369][ T4492] [ 52.782369][ T4492] other info that might help us debug this: [ 52.782369][ T4492] [ 52.783800][ T4492] Chain exists of: [ 52.783800][ T4492] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 52.783800][ T4492] [ 52.785887][ T4492] Possible unsafe locking scenario: [ 52.785887][ T4492] [ 52.786982][ T4492] CPU0 CPU1 [ 52.787743][ T4492] ---- ---- [ 52.788550][ T4492] lock(&ei->xattr_sem); [ 52.789239][ T4492] lock(jbd2_handle); [ 52.790209][ T4492] lock(&ei->xattr_sem); [ 52.791223][ T4492] lock(&sbi->s_writepages_rwsem); [ 52.791983][ T4492] [ 52.791983][ T4492] *** DEADLOCK *** [ 52.791983][ T4492] [ 52.793014][ T4492] 3 locks held by syz.0.17/4492: [ 52.793810][ T4492] #0: ffff0000d4e9c0e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 [ 52.795357][ T4492] #1: ffff0000d4e9c650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3dc/0x1270 [ 52.796713][ T4492] #2: ffff0000e0bee518 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x37c/0x790 [ 52.798092][ T4492] [ 52.798092][ T4492] stack backtrace: [ 52.798979][ T4492] CPU: 1 PID: 4492 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.800037][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.801442][ T4492] Call trace: [ 52.801942][ T4492] dump_backtrace+0x1c8/0x1f4 [ 52.802590][ T4492] show_stack+0x2c/0x3c [ 52.803174][ T4492] __dump_stack+0x30/0x40 [ 52.803805][ T4492] dump_stack_lvl+0xf8/0x160 [ 52.804467][ T4492] dump_stack+0x1c/0x5c [ 52.805068][ T4492] print_circular_bug+0x148/0x1b0 [ 52.805763][ T4492] check_noncircular+0x240/0x2d4 [ 52.806483][ T4492] __lock_acquire+0x293c/0x6544 [ 52.807229][ T4492] lock_acquire+0x20c/0x644 [ 52.807973][ T4492] percpu_down_read+0x70/0x2a8 [ 52.808679][ T4492] ext4_writepages+0x188/0x284c [ 52.809434][ T4492] do_writepages+0x2c0/0x4fc [ 52.810067][ T4492] __writeback_single_inode+0x164/0x157c [ 52.810898][ T4492] writeback_single_inode+0x1c0/0x720 [ 52.811679][ T4492] write_inode_now+0x144/0x1b0 [ 52.812407][ T4492] iput+0x5cc/0x7f4 [ 52.813031][ T4492] ext4_xattr_block_set+0x17a4/0x2810 [ 52.813888][ T4492] ext4_expand_extra_isize_ea+0xcb8/0x15cc [ 52.814774][ T4492] __ext4_expand_extra_isize+0x298/0x358 [ 52.815629][ T4492] __ext4_mark_inode_dirty+0x3e4/0x790 [ 52.816460][ T4492] ext4_evict_inode+0xb58/0x1270 [ 52.817138][ T4492] evict+0x3c8/0x810 [ 52.817700][ T4492] iput+0x764/0x7f4 [ 52.818338][ T4492] ext4_process_orphan+0x240/0x2b4 [ 52.819108][ T4492] ext4_orphan_cleanup+0x908/0x104c [ 52.819802][ T4492] ext4_fill_super+0x6440/0x68a8 [ 52.820460][ T4492] get_tree_bdev+0x358/0x544 [ 52.821115][ T4492] ext4_get_tree+0x28/0x38 [ 52.821787][ T4492] vfs_get_tree+0x90/0x274 [ 52.822452][ T4492] do_new_mount+0x228/0x810 [ 52.823073][ T4492] path_mount+0x5b4/0xe78 [ 52.823680][ T4492] __arm64_sys_mount+0x49c/0x584 [ 52.824356][ T4492] invoke_syscall+0x98/0x2bc [ 52.825007][ T4492] el0_svc_common+0x138/0x258 [ 52.825671][ T4492] do_el0_svc+0x58/0x13c [ 52.826356][ T4492] el0_svc+0x58/0x138 [ 52.826951][ T4492] el0t_64_sync_handler+0x84/0xf0 [ 52.827682][ T4492] el0t_64_sync+0x18c/0x190 [ 52.830678][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.832891][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 52.834849][ T4492] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2819: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 52.836835][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.838843][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 52.840623][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.843435][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 52.845293][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 52.847165][ T4492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 52.849115][ T4492] EXT4-fs (loop0): 1 orphan inode deleted [ 52.849962][ T4492] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 52.863172][ T4436] EXT4-fs (loop0): unmounting filesystem.