Warning: Permanently added '10.128.10.16' (ED25519) to the list of known hosts. 2026/01/18 06:45:29 parsed 1 programs [ 52.787194][ T4187] cgroup: Unknown subsys name 'net' [ 52.890060][ T4187] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 54.127336][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 56.530129][ T4237] chnl_net:caif_netlink_parms(): no params data found [ 56.591523][ T4237] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.600382][ T4237] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.608716][ T4237] device bridge_slave_0 entered promiscuous mode [ 56.619361][ T4237] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.626748][ T4237] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.635892][ T4237] device bridge_slave_1 entered promiscuous mode [ 56.661721][ T4237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.673375][ T4237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.700927][ T4237] team0: Port device team_slave_0 added [ 56.709065][ T4237] team0: Port device team_slave_1 added [ 56.729775][ T4237] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.736811][ T4237] 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. [ 56.770300][ T4237] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.783741][ T4237] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.790789][ T4237] 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. [ 56.817862][ T4237] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.856190][ T4237] device hsr_slave_0 entered promiscuous mode [ 56.863467][ T4237] device hsr_slave_1 entered promiscuous mode [ 56.984823][ T4237] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.997475][ T4237] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.007817][ T4237] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.017927][ T4237] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.076985][ T4237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.092761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.104850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.113128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.124529][ T4237] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.143828][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.152806][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.167310][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.174634][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.184481][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.195568][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.205421][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.214427][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.221503][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.238273][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.254155][ T437] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.271971][ T437] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.281523][ T437] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.308858][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.324022][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.333644][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.350256][ T4237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.434805][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.443176][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.455374][ T4237] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.472135][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.489370][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.497814][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.505888][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.516429][ T4237] device veth0_vlan entered promiscuous mode [ 57.527444][ T4237] device veth1_vlan entered promiscuous mode [ 57.544952][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.553723][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.561724][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.573307][ T4237] device veth0_macvtap entered promiscuous mode [ 57.581711][ T4237] device veth1_macvtap entered promiscuous mode [ 57.600910][ T4237] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.608617][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.617959][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.641694][ T4237] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.649296][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.662054][ T4237] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.671186][ T4237] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.680094][ T4237] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.689354][ T4237] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.798456][ T4237] syz-executor (4237) used greatest stack depth: 20912 bytes left [ 57.880578][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.891754][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.906048][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.907268][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.917432][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.944537][ T437] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/01/18 06:45:36 executed programs: 0 [ 59.131911][ T4294] chnl_net:caif_netlink_parms(): no params data found [ 59.187896][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.195457][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.203888][ T4294] device bridge_slave_0 entered promiscuous mode [ 59.216709][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.223956][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.231988][ T4294] device bridge_slave_1 entered promiscuous mode [ 59.260210][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.276785][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.302446][ T4294] team0: Port device team_slave_0 added [ 59.310780][ T4294] team0: Port device team_slave_1 added [ 59.330734][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.338522][ T4294] 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. [ 59.364915][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.378083][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.385175][ T4294] 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. [ 59.411572][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.441296][ T4294] device hsr_slave_0 entered promiscuous mode [ 59.449355][ T4294] device hsr_slave_1 entered promiscuous mode [ 59.456417][ T4294] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.464369][ T4294] Cannot create hsr debugfs directory [ 59.541212][ T4294] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.033648][ T1109] Bluetooth: hci0: command 0x0409 tx timeout [ 63.103781][ T1109] Bluetooth: hci0: command 0x041b tx timeout [ 63.208076][ T4294] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.258118][ T4294] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.310168][ T4294] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.466797][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.475488][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.484769][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.504495][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.560374][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.571664][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.579844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.589599][ T4294] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.622565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.631131][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.640152][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.647223][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.655017][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.664900][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.675692][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.682792][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.690797][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.699826][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.708435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.717141][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.725651][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.734124][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.742771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.751030][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.761445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.770314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.778219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.789318][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.812601][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.911017][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.919207][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.931828][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.957595][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.969846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.995007][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.003489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.011635][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.019808][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.030460][ T4294] device veth0_vlan entered promiscuous mode [ 64.046348][ T4294] device veth1_vlan entered promiscuous mode [ 64.059538][ T144] device hsr_slave_0 left promiscuous mode [ 64.065979][ T144] device hsr_slave_1 left promiscuous mode [ 64.072315][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 64.081883][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 64.090960][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 64.099624][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 64.107431][ T144] device bridge_slave_1 left promiscuous mode [ 64.114796][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.127231][ T144] device bridge_slave_0 left promiscuous mode [ 64.133703][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.148538][ T144] device veth1_macvtap left promiscuous mode [ 64.155499][ T144] device veth0_macvtap left promiscuous mode [ 64.161558][ T144] device veth1_vlan left promiscuous mode [ 64.167550][ T144] device veth0_vlan left promiscuous mode [ 64.296801][ T144] team0 (unregistering): Port device team_slave_1 removed [ 64.311511][ T144] team0 (unregistering): Port device team_slave_0 removed [ 64.326226][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 64.339547][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 64.387814][ T144] bond0 (unregistering): Released all slaves [ 64.458945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.467002][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.475260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.483949][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.503806][ T4294] device veth0_macvtap entered promiscuous mode [ 64.514192][ T4294] device veth1_macvtap entered promiscuous mode [ 64.528958][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.536763][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.550708][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.559077][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.567663][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.579911][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.604173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.614121][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.624857][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.634473][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.644505][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.653736][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.717266][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.731319][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.741002][ T437] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.751087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.759084][ T437] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.768479][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.806630][ T4315] loop0: detected capacity change from 0 to 512 [ 64.844085][ T4315] [ 64.846532][ T4315] ====================================================== [ 64.853604][ T4315] WARNING: possible circular locking dependency detected [ 64.860663][ T4315] syzkaller #0 Not tainted [ 64.865061][ T4315] ------------------------------------------------------ [ 64.872056][ T4315] syz.0.17/4315 is trying to acquire lock: [ 64.877836][ T4315] ffff8880771cebd8 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x20f/0x2df0 [ 64.887907][ T4315] [ 64.887907][ T4315] but task is already holding lock: [ 64.895392][ T4315] ffff8880602f0ac0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3e8/0x700 [ 64.905368][ T4315] [ 64.905368][ T4315] which lock already depends on the new lock. [ 64.905368][ T4315] [ 64.915766][ T4315] [ 64.915766][ T4315] the existing dependency chain (in reverse order) is: [ 64.924888][ T4315] [ 64.924888][ T4315] -> #2 (&ei->xattr_sem){++++}-{3:3}: [ 64.932521][ T4315] down_read+0x44/0x2e0 [ 64.937186][ T4315] ext4_setattr+0x71d/0x19e0 [ 64.942271][ T4315] notify_change+0xbcd/0xee0 [ 64.947389][ T4315] chown_common+0x4a7/0x660 [ 64.952397][ T4315] do_fchownat+0x147/0x240 [ 64.957325][ T4315] __x64_sys_chown+0x7e/0x90 [ 64.962426][ T4315] do_syscall_64+0x4c/0xa0 [ 64.967345][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.973830][ T4315] [ 64.973830][ T4315] -> #1 (jbd2_handle){++++}-{0:0}: [ 64.981103][ T4315] start_this_handle+0x136f/0x15c0 [ 64.986754][ T4315] jbd2__journal_start+0x2b7/0x5a0 [ 64.992711][ T4315] __ext4_journal_start_sb+0x167/0x360 [ 64.998725][ T4315] ext4_writepages+0xe53/0x2df0 [ 65.004078][ T4315] do_writepages+0x476/0x6e0 [ 65.009210][ T4315] filemap_fdatawrite_wbc+0x1eb/0x240 [ 65.015270][ T4315] file_write_and_wait_range+0x14d/0x220 [ 65.021401][ T4315] ext4_sync_file+0x1ff/0xae0 [ 65.026575][ T4315] __x64_sys_fsync+0x1a5/0x1e0 [ 65.031845][ T4315] do_syscall_64+0x4c/0xa0 [ 65.036801][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.043202][ T4315] [ 65.043202][ T4315] -> #0 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: [ 65.051603][ T4315] __lock_acquire+0x2c42/0x7d10 [ 65.056955][ T4315] lock_acquire+0x19e/0x400 [ 65.061964][ T4315] percpu_down_read+0x46/0x1b0 [ 65.067227][ T4315] ext4_writepages+0x20f/0x2df0 [ 65.072633][ T4315] do_writepages+0x476/0x6e0 [ 65.077721][ T4315] __writeback_single_inode+0x153/0xda0 [ 65.083771][ T4315] writeback_single_inode+0x3cb/0x8e0 [ 65.089637][ T4315] write_inode_now+0x23b/0x2c0 [ 65.094894][ T4315] iput+0x5ab/0x8a0 [ 65.099209][ T4315] ext4_xattr_set_entry+0x34f4/0x3ea0 [ 65.105080][ T4315] ext4_xattr_block_set+0x4fd/0x2d20 [ 65.110870][ T4315] ext4_expand_extra_isize_ea+0xf3b/0x1990 [ 65.117181][ T4315] __ext4_expand_extra_isize+0x301/0x3e0 [ 65.123314][ T4315] __ext4_mark_inode_dirty+0x469/0x700 [ 65.129267][ T4315] ext4_evict_inode+0xa8d/0x1090 [ 65.134707][ T4315] evict+0x4c9/0x8d0 [ 65.139104][ T4315] ext4_orphan_cleanup+0xad2/0x1320 [ 65.144797][ T4315] ext4_fill_super+0x92c9/0x9a40 [ 65.150229][ T4315] mount_bdev+0x287/0x3c0 [ 65.155055][ T4315] legacy_get_tree+0xe6/0x180 [ 65.160235][ T4315] vfs_get_tree+0x88/0x270 [ 65.165148][ T4315] do_new_mount+0x24a/0xa40 [ 65.170146][ T4315] __se_sys_mount+0x2e3/0x3d0 [ 65.175319][ T4315] do_syscall_64+0x4c/0xa0 [ 65.180231][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.186620][ T4315] [ 65.186620][ T4315] other info that might help us debug this: [ 65.186620][ T4315] [ 65.196822][ T4315] Chain exists of: [ 65.196822][ T4315] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 65.196822][ T4315] [ 65.202804][ T4264] Bluetooth: hci0: command 0x040f tx timeout [ 65.210168][ T4315] Possible unsafe locking scenario: [ 65.210168][ T4315] [ 65.210174][ T4315] CPU0 CPU1 [ 65.229341][ T4315] ---- ---- [ 65.234683][ T4315] lock(&ei->xattr_sem); [ 65.238993][ T4315] lock(jbd2_handle); [ 65.245640][ T4315] lock(&ei->xattr_sem); [ 65.252481][ T4315] lock(&sbi->s_writepages_rwsem); [ 65.257678][ T4315] [ 65.257678][ T4315] *** DEADLOCK *** [ 65.257678][ T4315] [ 65.265796][ T4315] 3 locks held by syz.0.17/4315: [ 65.270707][ T4315] #0: ffff8880771cc0e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 65.280779][ T4315] #1: ffff8880771cc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x44a/0x1090 [ 65.290228][ T4315] #2: ffff8880602f0ac0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3e8/0x700 [ 65.300465][ T4315] [ 65.300465][ T4315] stack backtrace: [ 65.306348][ T4315] CPU: 0 PID: 4315 Comm: syz.0.17 Not tainted syzkaller #0 [ 65.313521][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 65.323557][ T4315] Call Trace: [ 65.326814][ T4315] [ 65.329721][ T4315] dump_stack_lvl+0x188/0x250 [ 65.334377][ T4315] ? load_image+0x400/0x400 [ 65.338860][ T4315] ? show_regs_print_info+0x20/0x20 [ 65.344044][ T4315] ? print_circular_bug+0x12b/0x1a0 [ 65.349219][ T4315] check_noncircular+0x296/0x330 [ 65.354134][ T4315] ? look_up_lock_class+0x71/0x110 [ 65.359225][ T4315] ? add_chain_block+0x940/0x940 [ 65.364138][ T4315] ? lockdep_lock+0xf1/0x1f0 [ 65.368708][ T4315] ? mark_lock+0x94/0x320 [ 65.373011][ T4315] __lock_acquire+0x2c42/0x7d10 [ 65.377961][ T4315] ? mark_lock+0x94/0x320 [ 65.382279][ T4315] ? verify_lock_unused+0x140/0x140 [ 65.387454][ T4315] ? verify_lock_unused+0x140/0x140 [ 65.392629][ T4315] ? __lock_acquire+0x13bc/0x7d10 [ 65.397639][ T4315] lock_acquire+0x19e/0x400 [ 65.402121][ T4315] ? ext4_writepages+0x20f/0x2df0 [ 65.407127][ T4315] ? check_noncircular+0x189/0x330 [ 65.412218][ T4315] ? __might_sleep+0xf0/0xf0 [ 65.416782][ T4315] ? read_lock_is_recursive+0x10/0x10 [ 65.422135][ T4315] ? mark_lock+0x94/0x320 [ 65.426454][ T4315] ? __lock_acquire+0x13bc/0x7d10 [ 65.431458][ T4315] percpu_down_read+0x46/0x1b0 [ 65.436203][ T4315] ? ext4_writepages+0x20f/0x2df0 [ 65.441216][ T4315] ext4_writepages+0x20f/0x2df0 [ 65.446107][ T4315] ? rcu_is_watching+0x11/0xa0 [ 65.450854][ T4315] ? lock_release+0xb5/0x8a0 [ 65.455453][ T4315] ? rcu_lock_release+0x5/0x20 [ 65.460197][ T4315] ? verify_lock_unused+0x140/0x140 [ 65.465375][ T4315] ? mark_lock+0x94/0x320 [ 65.469684][ T4315] ? ext4_readpage+0x2e0/0x2e0 [ 65.474429][ T4315] ? __lock_acquire+0x13bc/0x7d10 [ 65.479447][ T4315] ? rcu_lock_release+0x5/0x20 [ 65.484196][ T4315] ? __lock_acquire+0x7d10/0x7d10 [ 65.489198][ T4315] ? do_raw_spin_lock+0x128/0x2f0 [ 65.494199][ T4315] ? do_raw_spin_unlock+0x11d/0x230 [ 65.499374][ T4315] ? ext4_readpage+0x2e0/0x2e0 [ 65.504124][ T4315] do_writepages+0x476/0x6e0 [ 65.508697][ T4315] ? __writepage+0x130/0x130 [ 65.513305][ T4315] ? writeback_single_inode+0x3c0/0x8e0 [ 65.518849][ T4315] ? __lock_acquire+0x7d10/0x7d10 [ 65.523861][ T4315] ? do_raw_spin_lock+0x128/0x2f0 [ 65.528864][ T4315] __writeback_single_inode+0x153/0xda0 [ 65.534389][ T4315] writeback_single_inode+0x3cb/0x8e0 [ 65.539744][ T4315] ? write_inode_now+0x2c0/0x2c0 [ 65.544680][ T4315] write_inode_now+0x23b/0x2c0 [ 65.549563][ T4315] ? bdi_split_work_to_wbs+0x8a0/0x8a0 [ 65.555005][ T4315] ? do_raw_spin_unlock+0x11d/0x230 [ 65.560184][ T4315] iput+0x5ab/0x8a0 [ 65.563978][ T4315] ext4_xattr_set_entry+0x34f4/0x3ea0 [ 65.569332][ T4315] ? ext4_xattr_ibody_set+0x330/0x330 [ 65.574684][ T4315] ? rcu_is_watching+0x11/0xa0 [ 65.579444][ T4315] ? kmem_cache_free+0x14c/0x210 [ 65.584361][ T4315] ? mb_cache_entry_delete_or_get+0x1bd/0x1e0 [ 65.590497][ T4315] ext4_xattr_block_set+0x4fd/0x2d20 [ 65.595763][ T4315] ? do_raw_spin_unlock+0x11d/0x230 [ 65.600956][ T4315] ? __getblk_gfp+0x52/0xb60 [ 65.605658][ T4315] ? __ext4_xattr_check_block+0x7d8/0x8d0 [ 65.611373][ T4315] ? ext4_xattr_block_find+0x500/0x500 [ 65.616818][ T4315] ? ext4_xattr_block_find+0x433/0x500 [ 65.622352][ T4315] ext4_expand_extra_isize_ea+0xf3b/0x1990 [ 65.628150][ T4315] __ext4_expand_extra_isize+0x301/0x3e0 [ 65.633764][ T4315] __ext4_mark_inode_dirty+0x469/0x700 [ 65.639198][ T4315] ext4_evict_inode+0xa8d/0x1090 [ 65.644115][ T4315] ? _raw_spin_unlock+0x24/0x40 [ 65.648958][ T4315] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 65.654867][ T4315] ? do_raw_spin_unlock+0x11d/0x230 [ 65.660050][ T4315] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 65.665920][ T4315] evict+0x4c9/0x8d0 [ 65.669796][ T4315] ? proc_nr_inodes+0x320/0x320 [ 65.674653][ T4315] ? do_raw_spin_unlock+0x11d/0x230 [ 65.679846][ T4315] ? _raw_spin_unlock+0x24/0x40 [ 65.684676][ T4315] ? iput+0x706/0x8a0 [ 65.688654][ T4315] ext4_orphan_cleanup+0xad2/0x1320 [ 65.693832][ T4315] ? ext4_orphan_del+0xbf0/0xbf0 [ 65.698747][ T4315] ? errseq_check_and_advance+0x62/0x120 [ 65.704360][ T4315] ext4_fill_super+0x92c9/0x9a40 [ 65.709288][ T4315] ? ext4_mount+0x40/0x40 [ 65.713591][ T4315] ? set_blocksize+0x1f3/0x370 [ 65.718333][ T4315] ? sb_set_blocksize+0xa5/0xe0 [ 65.723159][ T4315] mount_bdev+0x287/0x3c0 [ 65.727465][ T4315] ? ext4_mount+0x40/0x40 [ 65.731770][ T4315] legacy_get_tree+0xe6/0x180 [ 65.736425][ T4315] ? ext4_errno_to_code+0x160/0x160 [ 65.741596][ T4315] vfs_get_tree+0x88/0x270 [ 65.745989][ T4315] do_new_mount+0x24a/0xa40 [ 65.750470][ T4315] __se_sys_mount+0x2e3/0x3d0 [ 65.755129][ T4315] ? __x64_sys_mount+0xc0/0xc0 [ 65.759872][ T4315] ? lockdep_hardirqs_on+0x94/0x140 [ 65.765046][ T4315] ? __x64_sys_mount+0x1c/0xc0 [ 65.769786][ T4315] do_syscall_64+0x4c/0xa0 [ 65.774178][ T4315] ? clear_bhb_loop+0x30/0x80 [ 65.778829][ T4315] ? clear_bhb_loop+0x30/0x80 [ 65.783481][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.789359][ T4315] RIP: 0033:0x7f3d37c73f4a [ 65.793750][ T4315] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 65.813333][ T4315] RSP: 002b:00007ffc5fb98ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.821730][ T4315] RAX: ffffffffffffffda RBX: 00007ffc5fb98f70 RCX: 00007f3d37c73f4a [ 65.829698][ T4315] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffc5fb98f30 [ 65.837680][ T4315] RBP: 0000200000000180 R08: 00007ffc5fb98f70 R09: 0000000000800700 [ 65.845632][ T4315] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 65.853686][ T4315] R13: 00007ffc5fb98f30 R14: 000000000000046f R15: 000000000000002c [ 65.861737][ T4315] [ 65.873065][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 65.897581][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 65.905401][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 65.918336][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 65.925006][ T4315] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2826: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 65.938088][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 65.951596][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 65.958378][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 11 err=-117 [ 65.970851][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 65.978763][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 65.993915][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 66.000512][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 66.013267][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 66.019843][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: inode #18: comm syz.0.17: iget: bad extra_isize 90 (inode size 256) [ 66.033535][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 66.040093][ T4315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz.0.17: error while reading EA inode 18 err=-117 [ 66.053098][ T4315] EXT4-fs (loop0): Remounting filesystem read-only [ 66.059820][ T4315] EXT4-fs (loop0): 1 orphan inode deleted [ 66.065672][ T4315] EXT4-fs (loop0): mounted filesystem without journal. Opts: nodioread_nolock,errors=remount-ro,debug_want_extra_isize=0x000000000000005a,nouid32,resgid=0x0000000000000000,acl,init_itable=0x0000000000000003,. Quota mode: none.