Warning: Permanently added '10.128.1.14' (ED25519) to the list of known hosts. 2025/12/24 08:08:45 parsed 1 programs [ 76.281618][ T126] cfg80211: failed to load regulatory.db [ 77.839653][ T4275] cgroup: Unknown subsys name 'net' [ 77.995204][ T4275] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 79.359352][ T4275] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 80.768318][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.782359][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.791131][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 80.802584][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.810594][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.818393][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.115048][ T4292] chnl_net:caif_netlink_parms(): no params data found [ 81.156129][ T4292] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.163751][ T4292] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.171949][ T4292] device bridge_slave_0 entered promiscuous mode [ 81.180778][ T4292] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.187886][ T4292] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.195990][ T4292] device bridge_slave_1 entered promiscuous mode [ 81.217474][ T4292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.228094][ T4292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.251733][ T4292] team0: Port device team_slave_0 added [ 81.258574][ T4292] team0: Port device team_slave_1 added [ 81.276713][ T4292] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.283790][ T4292] 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. [ 81.309708][ T4292] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.324442][ T4292] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.331446][ T4292] 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. [ 81.357456][ T4292] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.383828][ T4292] device hsr_slave_0 entered promiscuous mode [ 81.390647][ T4292] device hsr_slave_1 entered promiscuous mode [ 81.496018][ T4292] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.505464][ T4292] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.515995][ T4292] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.528233][ T4292] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.573514][ T4292] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.580820][ T4292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.588354][ T4292] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.595468][ T4292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.643673][ T4292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.655721][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.666464][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.674691][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.689735][ T4292] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.701877][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.710254][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.717319][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.733187][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.741910][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.748948][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.764806][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.776773][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.786079][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.796360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.807444][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.816208][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.827828][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.837680][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.847545][ T4292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.990276][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.997922][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.009533][ T4292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.028392][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.037354][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.056810][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.065502][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.074212][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.082350][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.092528][ T4292] device veth0_vlan entered promiscuous mode [ 82.104162][ T4292] device veth1_vlan entered promiscuous mode [ 82.119969][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.129139][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.137412][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.146068][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.159392][ T4292] device veth0_macvtap entered promiscuous mode [ 82.168691][ T4292] device veth1_macvtap entered promiscuous mode [ 82.182437][ T4292] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.189824][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.197985][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.211776][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.220107][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.233759][ T4292] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.241131][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.249686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.261176][ T4292] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.269959][ T4292] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.279432][ T4292] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.288519][ T4292] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.601643][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.166674][ T4327] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.175368][ T4327] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.184408][ T4327] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.192231][ T4327] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.199821][ T4327] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 83.208156][ T4327] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/24 08:08:53 executed programs: 0 [ 84.689386][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.697114][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.705180][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.713372][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.722678][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 84.729841][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.828688][ T4364] chnl_net:caif_netlink_parms(): no params data found [ 84.865782][ T4364] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.873234][ T4364] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.881153][ T4364] device bridge_slave_0 entered promiscuous mode [ 84.888755][ T4364] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.896053][ T4364] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.903764][ T4364] device bridge_slave_1 entered promiscuous mode [ 84.923731][ T4364] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.934838][ T4364] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.957693][ T4364] team0: Port device team_slave_0 added [ 84.965909][ T4364] team0: Port device team_slave_1 added [ 84.981933][ T4364] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.988912][ T4364] 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. [ 85.014899][ T4364] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.026647][ T4364] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.033643][ T4364] 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. [ 85.059557][ T4364] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.094251][ T4364] device hsr_slave_0 entered promiscuous mode [ 85.101791][ T4364] device hsr_slave_1 entered promiscuous mode [ 85.108537][ T4364] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 85.116563][ T4364] Cannot create hsr debugfs directory [ 85.128819][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 86.761353][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 87.258477][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.322054][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.120230][ T4364] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.137300][ T11] device hsr_slave_0 left promiscuous mode [ 88.145079][ T11] device hsr_slave_1 left promiscuous mode [ 88.153819][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 88.161447][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 88.169908][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 88.178285][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 88.185947][ T11] device bridge_slave_1 left promiscuous mode [ 88.193193][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.203478][ T11] device bridge_slave_0 left promiscuous mode [ 88.209608][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.227101][ T11] device veth1_macvtap left promiscuous mode [ 88.233351][ T11] device veth0_macvtap left promiscuous mode [ 88.239366][ T11] device veth1_vlan left promiscuous mode [ 88.245280][ T11] device veth0_vlan left promiscuous mode [ 88.487260][ T11] team0 (unregistering): Port device team_slave_1 removed [ 88.509739][ T11] team0 (unregistering): Port device team_slave_0 removed [ 88.533790][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 88.557339][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 88.758195][ T11] bond0 (unregistering): Released all slaves [ 88.840509][ T4327] Bluetooth: hci0: command 0x041b tx timeout [ 88.856489][ T4364] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.865482][ T4364] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.874910][ T4364] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.933367][ T4364] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.944091][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.953153][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.963752][ T4364] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.979088][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 88.988612][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.997092][ T56] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.004161][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.012020][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.030911][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.039452][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.048610][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.055736][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.063479][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.072290][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.081293][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.089940][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.098272][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.107288][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.115835][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.124616][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.133109][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.142236][ T4401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.151213][ T4401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.164612][ T4364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.337975][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 89.346411][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 89.357722][ T4364] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.380674][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 89.389671][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.403792][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 89.414460][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.427419][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.437039][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.448559][ T4364] device veth0_vlan entered promiscuous mode [ 89.462145][ T4364] device veth1_vlan entered promiscuous mode [ 89.486801][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 89.495202][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 89.503456][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 89.513451][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 89.524830][ T4364] device veth0_macvtap entered promiscuous mode [ 89.535647][ T4364] device veth1_macvtap entered promiscuous mode [ 89.562703][ T4364] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.570019][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 89.578582][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 89.587024][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 89.595959][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 89.613225][ T4364] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.620793][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 89.629797][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 89.643852][ T4364] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.652671][ T4364] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.661821][ T4364] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.670703][ T4364] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.741801][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.749731][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.760586][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 89.779400][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.787903][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.796238][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 89.837404][ T4435] loop0: detected capacity change from 0 to 512 [ 89.848028][ T4435] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 89.876177][ T4435] [ 89.878519][ T4435] ====================================================== [ 89.885528][ T4435] WARNING: possible circular locking dependency detected [ 89.892545][ T4435] syzkaller #0 Not tainted [ 89.896952][ T4435] ------------------------------------------------------ [ 89.903962][ T4435] syz.0.17/4435 is trying to acquire lock: [ 89.909740][ T4435] ffff888079c54b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x1c0/0x2e50 [ 89.919812][ T4435] [ 89.919812][ T4435] but task is already holding lock: [ 89.927152][ T4435] ffff88805b481ee0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3fe/0x770 [ 89.936958][ T4435] [ 89.936958][ T4435] which lock already depends on the new lock. [ 89.936958][ T4435] [ 89.947337][ T4435] [ 89.947337][ T4435] the existing dependency chain (in reverse order) is: [ 89.956324][ T4435] [ 89.956324][ T4435] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 89.963854][ T4435] down_read+0x42/0x2d0 [ 89.968514][ T4435] ext4_setattr+0x92a/0x19f0 [ 89.973601][ T4435] notify_change+0xc74/0xf40 [ 89.978687][ T4435] chown_common+0x486/0x620 [ 89.983696][ T4435] do_fchownat+0x164/0x270 [ 89.988627][ T4435] __x64_sys_chown+0x7e/0x90 [ 89.993731][ T4435] do_syscall_64+0x4c/0xa0 [ 89.998667][ T4435] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 90.005071][ T4435] [ 90.005071][ T4435] -> #1 (jbd2_handle){++++}-{0:0}: [ 90.012354][ T4435] start_this_handle+0x1f49/0x2150 [ 90.017976][ T4435] jbd2__journal_start+0x2b7/0x5a0 [ 90.023597][ T4435] __ext4_journal_start_sb+0x187/0x3d0 [ 90.029560][ T4435] ext4_writepages+0xde7/0x2e50 [ 90.034913][ T4435] do_writepages+0x3b7/0x610 [ 90.040007][ T4435] __writeback_single_inode+0x156/0x1160 [ 90.046149][ T4435] writeback_sb_inodes+0xad8/0x17d0 [ 90.051854][ T4435] __writeback_inodes_wb+0x12a/0x3f0 [ 90.057648][ T4435] wb_writeback+0x47a/0xd00 [ 90.062655][ T4435] wb_workfn+0xb66/0xec0 [ 90.067401][ T4435] process_one_work+0x898/0x1160 [ 90.072842][ T4435] worker_thread+0xaa2/0x1250 [ 90.078025][ T4435] kthread+0x29d/0x330 [ 90.082602][ T4435] ret_from_fork+0x1f/0x30 [ 90.087527][ T4435] [ 90.087527][ T4435] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 90.095941][ T4435] __lock_acquire+0x2cf8/0x7c50 [ 90.101298][ T4435] lock_acquire+0x1b4/0x490 [ 90.106310][ T4435] percpu_down_read+0x44/0x1a0 [ 90.111586][ T4435] ext4_writepages+0x1c0/0x2e50 [ 90.116949][ T4435] do_writepages+0x3b7/0x610 [ 90.122055][ T4435] __writeback_single_inode+0x156/0x1160 [ 90.128200][ T4435] writeback_single_inode+0x221/0x8b0 [ 90.134080][ T4435] write_inode_now+0x15d/0x1d0 [ 90.139356][ T4435] iput+0x613/0x980 [ 90.143669][ T4435] ext4_xattr_block_set+0x2736/0x32a0 [ 90.149547][ T4435] ext4_expand_extra_isize_ea+0x109b/0x19b0 [ 90.155948][ T4435] __ext4_expand_extra_isize+0x301/0x3e0 [ 90.162087][ T4435] __ext4_mark_inode_dirty+0x47f/0x770 [ 90.168055][ T4435] ext4_evict_inode+0xa73/0x1100 [ 90.173501][ T4435] evict+0x485/0x870 [ 90.178043][ T4435] ext4_orphan_cleanup+0xbd3/0x1400 [ 90.183758][ T4435] ext4_fill_super+0x7bdf/0x8150 [ 90.189210][ T4435] get_tree_bdev+0x3f1/0x610 [ 90.194313][ T4435] vfs_get_tree+0x88/0x270 [ 90.199239][ T4435] do_new_mount+0x24a/0xa40 [ 90.204249][ T4435] __se_sys_mount+0x2d6/0x3c0 [ 90.209437][ T4435] do_syscall_64+0x4c/0xa0 [ 90.214374][ T4435] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 90.220782][ T4435] [ 90.220782][ T4435] other info that might help us debug this: [ 90.220782][ T4435] [ 90.230993][ T4435] Chain exists of: [ 90.230993][ T4435] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 90.230993][ T4435] [ 90.244359][ T4435] Possible unsafe locking scenario: [ 90.244359][ T4435] [ 90.251789][ T4435] CPU0 CPU1 [ 90.257136][ T4435] ---- ---- [ 90.262484][ T4435] lock(&ei->xattr_sem); [ 90.266797][ T4435] lock(jbd2_handle); [ 90.273366][ T4435] lock(&ei->xattr_sem); [ 90.280196][ T4435] lock(&sbi->s_writepages_rwsem); [ 90.285377][ T4435] [ 90.285377][ T4435] *** DEADLOCK *** [ 90.285377][ T4435] [ 90.293501][ T4435] 3 locks held by syz.0.17/4435: [ 90.298421][ T4435] #0: ffff888079c500e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930 [ 90.308511][ T4435] #1: ffff888079c50650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x436/0x1100 [ 90.317987][ T4435] #2: ffff88805b481ee0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3fe/0x770 [ 90.328240][ T4435] [ 90.328240][ T4435] stack backtrace: [ 90.334121][ T4435] CPU: 0 PID: 4435 Comm: syz.0.17 Not tainted syzkaller #0 [ 90.341302][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 90.351350][ T4435] Call Trace: [ 90.354618][ T4435] [ 90.357536][ T4435] dump_stack_lvl+0x168/0x22e [ 90.362208][ T4435] ? load_image+0x3b0/0x3b0 [ 90.366700][ T4435] ? show_regs_print_info+0x12/0x12 [ 90.371888][ T4435] ? print_circular_bug+0x12b/0x1a0 [ 90.377076][ T4435] check_noncircular+0x274/0x310 [ 90.382005][ T4435] ? add_chain_block+0x940/0x940 [ 90.386933][ T4435] ? lockdep_lock+0xdc/0x1e0 [ 90.391513][ T4435] ? verify_lock_unused+0x140/0x140 [ 90.396698][ T4435] ? _find_first_zero_bit+0xcf/0x100 [ 90.401966][ T4435] __lock_acquire+0x2cf8/0x7c50 [ 90.406813][ T4435] ? verify_lock_unused+0x140/0x140 [ 90.411999][ T4435] ? mark_lock+0x94/0x320 [ 90.416317][ T4435] ? __lock_acquire+0x13c0/0x7c50 [ 90.421331][ T4435] lock_acquire+0x1b4/0x490 [ 90.425823][ T4435] ? ext4_writepages+0x1c0/0x2e50 [ 90.430836][ T4435] ? __might_sleep+0xd0/0xd0 [ 90.435417][ T4435] ? read_lock_is_recursive+0x10/0x10 [ 90.440775][ T4435] ? __lock_acquire+0x12e5/0x7c50 [ 90.445804][ T4435] ? mark_lock+0x94/0x320 [ 90.450128][ T4435] percpu_down_read+0x44/0x1a0 [ 90.454877][ T4435] ? ext4_writepages+0x1c0/0x2e50 [ 90.459887][ T4435] ext4_writepages+0x1c0/0x2e50 [ 90.464724][ T4435] ? __lock_acquire+0x13c0/0x7c50 [ 90.469741][ T4435] ? verify_lock_unused+0x140/0x140 [ 90.474927][ T4435] ? mark_lock+0x94/0x320 [ 90.479245][ T4435] ? ext4_read_folio+0x370/0x370 [ 90.484170][ T4435] ? __lock_acquire+0x13c0/0x7c50 [ 90.489188][ T4435] ? __lock_acquire+0x7c50/0x7c50 [ 90.494197][ T4435] ? do_raw_spin_lock+0x11d/0x280 [ 90.499214][ T4435] ? do_raw_spin_unlock+0x11d/0x230 [ 90.504404][ T4435] ? ext4_read_folio+0x370/0x370 [ 90.509329][ T4435] do_writepages+0x3b7/0x610 [ 90.513911][ T4435] ? __writepage+0x130/0x130 [ 90.518486][ T4435] ? writeback_single_inode+0x216/0x8b0 [ 90.524021][ T4435] ? __lock_acquire+0x7c50/0x7c50 [ 90.529034][ T4435] ? do_raw_spin_lock+0x11d/0x280 [ 90.534051][ T4435] ? __ext4_expand_extra_isize+0x301/0x3e0 [ 90.539845][ T4435] __writeback_single_inode+0x156/0x1160 [ 90.545472][ T4435] writeback_single_inode+0x221/0x8b0 [ 90.550835][ T4435] ? write_inode_now+0x1d0/0x1d0 [ 90.555766][ T4435] write_inode_now+0x15d/0x1d0 [ 90.560518][ T4435] ? bdi_split_work_to_wbs+0x890/0x890 [ 90.565968][ T4435] ? rcu_is_watching+0x11/0xa0 [ 90.570723][ T4435] ? do_raw_spin_unlock+0x11d/0x230 [ 90.575914][ T4435] iput+0x613/0x980 [ 90.579707][ T4435] ext4_xattr_block_set+0x2736/0x32a0 [ 90.585069][ T4435] ? __might_sleep+0xd0/0xd0 [ 90.589659][ T4435] ? xattr_find_entry+0x12b/0x2f0 [ 90.594671][ T4435] ? ext4_xattr_block_find+0x2b0/0x2b0 [ 90.600115][ T4435] ? ext4_xattr_block_find+0x241/0x2b0 [ 90.605563][ T4435] ext4_expand_extra_isize_ea+0x109b/0x19b0 [ 90.611454][ T4435] __ext4_expand_extra_isize+0x301/0x3e0 [ 90.617073][ T4435] __ext4_mark_inode_dirty+0x47f/0x770 [ 90.622523][ T4435] ext4_evict_inode+0xa73/0x1100 [ 90.627448][ T4435] ? _raw_spin_unlock+0x24/0x40 [ 90.632286][ T4435] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 90.638166][ T4435] ? do_raw_spin_unlock+0x11d/0x230 [ 90.643355][ T4435] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 90.649235][ T4435] evict+0x485/0x870 [ 90.653115][ T4435] ? __lock_acquire+0x7c50/0x7c50 [ 90.658130][ T4435] ? proc_nr_inodes+0x2f0/0x2f0 [ 90.662963][ T4435] ? do_raw_spin_unlock+0x11d/0x230 [ 90.668153][ T4435] ? _raw_spin_unlock+0x24/0x40 [ 90.672988][ T4435] ? iput+0x768/0x980 [ 90.676954][ T4435] ext4_orphan_cleanup+0xbd3/0x1400 [ 90.682143][ T4435] ? ext4_orphan_del+0xb90/0xb90 [ 90.687071][ T4435] ? errseq_check_and_advance+0x62/0x120 [ 90.692697][ T4435] ext4_fill_super+0x7bdf/0x8150 [ 90.697621][ T4435] ? bdev_name+0x2c1/0x3f0 [ 90.702034][ T4435] ? ext4_parse_test_dummy_encryption+0xb0/0xb0 [ 90.708263][ T4435] ? snprintf+0xd7/0x120 [ 90.712667][ T4435] ? preempt_count_add+0x8d/0x190 [ 90.717679][ T4435] ? vscnprintf+0x80/0x80 [ 90.721991][ T4435] ? set_blocksize+0x1d0/0x470 [ 90.726741][ T4435] ? sb_set_blocksize+0xa5/0xe0 [ 90.731578][ T4435] get_tree_bdev+0x3f1/0x610 [ 90.736155][ T4435] ? ext4_parse_test_dummy_encryption+0xb0/0xb0 [ 90.742381][ T4435] vfs_get_tree+0x88/0x270 [ 90.746781][ T4435] do_new_mount+0x24a/0xa40 [ 90.751274][ T4435] __se_sys_mount+0x2d6/0x3c0 [ 90.755934][ T4435] ? __x64_sys_mount+0xc0/0xc0 [ 90.760681][ T4435] ? lockdep_hardirqs_on+0x94/0x140 [ 90.765865][ T4435] ? __x64_sys_mount+0x1c/0xc0 [ 90.770612][ T4435] do_syscall_64+0x4c/0xa0 [ 90.775020][ T4435] ? clear_bhb_loop+0x60/0xb0 [ 90.779681][ T4435] ? clear_bhb_loop+0x60/0xb0 [ 90.784344][ T4435] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 90.790224][ T4435] RIP: 0033:0x7fcdd9f90eea [ 90.794641][ T4435] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 90.814229][ T4435] RSP: 002b:00007ffe873d9d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.822628][ T4435] RAX: ffffffffffffffda RBX: 00007ffe873d9df0 RCX: 00007fcdd9f90eea [ 90.830585][ T4435] RDX: 0000200000000180 RSI: 0000200000000080 RDI: 00007ffe873d9db0 [ 90.838541][ T4435] RBP: 0000200000000180 R08: 00007ffe873d9df0 R09: 0000000000800700 [ 90.846493][ T4435] R10: 0000000000800700 R11: 0000000000000246 R12: 0000200000000080 [ 90.854449][ T4435] R13: 00007ffe873d9db0 R14: 000000000000046f R15: 00002000000007c0 [ 90.862408][ T4435] [ 90.886969][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 90.901279][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 90.913620][ T4435] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2819: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 90.920510][ T4327] Bluetooth: hci0: command 0x040f tx timeout [ 90.927289][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 90.946431][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 90.958969][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 90.972658][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 90.985131][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 90.998625][ T4435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 91.011074][ T4435] EXT4-fs (loop0): 1 orphan inode deleted [ 91.016827][ T4435] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 91.051203][ T4364] EXT4-fs (loop0): unmounting filesystem.