Warning: Permanently added '10.128.1.71' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.505998][ T4324] cgroup: Unknown subsys name 'net' [ 31.765883][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.067093][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.368012][ T4365] chnl_net:caif_netlink_parms(): no params data found [ 37.387433][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.388750][ T4365] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.390113][ T4365] device bridge_slave_0 entered promiscuous mode [ 37.392182][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.394169][ T4365] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.395582][ T4365] device bridge_slave_1 entered promiscuous mode [ 37.402674][ T4365] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.405146][ T4365] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.411370][ T4365] team0: Port device team_slave_0 added [ 37.413396][ T4365] team0: Port device team_slave_1 added [ 37.420036][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.421208][ T4365] 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. [ 37.425407][ T4365] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.428083][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.429176][ T4365] 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. [ 37.433154][ T4365] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.474685][ T4365] device hsr_slave_0 entered promiscuous mode [ 37.514074][ T4365] device hsr_slave_1 entered promiscuous mode [ 37.588495][ T4365] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.626827][ T4365] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.674375][ T4365] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.783400][ T4365] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.832309][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.833542][ T4365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.834979][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.836096][ T4365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.854545][ T4365] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.858563][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.861416][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.863530][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.868161][ T4365] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.871157][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.872628][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.873787][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.876926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.878536][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.879703][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.887420][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.889174][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.892658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.896091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.899097][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.901713][ T4365] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.957194][ T4365] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.963179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.965296][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.966603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.975565][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.977479][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.978855][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.981762][ T4365] device veth0_vlan entered promiscuous mode [ 37.986051][ T4365] device veth1_vlan entered promiscuous mode [ 37.993306][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.995013][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.996459][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.998999][ T4365] device veth0_macvtap entered promiscuous mode [ 38.001420][ T4365] device veth1_macvtap entered promiscuous mode [ 38.008697][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.010055][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.012425][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.018623][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.019972][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.022634][ T4365] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.025500][ T4365] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.026978][ T4365] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.028517][ T4365] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.293178][ T1612] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.296400][ T1612] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.298254][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.308096][ T1612] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.309452][ T1612] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.310789][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.557055][ T4418] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.575719][ T4418] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.582549][ T4418] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.585483][ T4418] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.587107][ T4418] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.588543][ T4418] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:38 executed programs: 0 [ 38.822020][ T47] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 38.824516][ T47] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 38.825905][ T47] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 38.827433][ T47] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 38.828654][ T47] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 38.829871][ T47] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 38.886417][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 38.915591][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.916598][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.918097][ T4427] device bridge_slave_0 entered promiscuous mode [ 38.920238][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.921381][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.922868][ T4427] device bridge_slave_1 entered promiscuous mode [ 38.932159][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.942839][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.949652][ T4427] team0: Port device team_slave_0 added [ 38.951410][ T4427] team0: Port device team_slave_1 added [ 38.958158][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.959302][ T4427] 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. [ 38.963221][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.965770][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.966809][ T4427] 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. [ 38.971225][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.034539][ T4427] device hsr_slave_0 entered promiscuous mode [ 39.054750][ T4427] device hsr_slave_1 entered promiscuous mode [ 39.093447][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.094803][ T4427] Cannot create hsr debugfs directory [ 39.194475][ T4427] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.903648][ T47] Bluetooth: hci1: command 0x0409 tx timeout [ 41.454800][ T4427] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.973663][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 43.234475][ T4427] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.345083][ T4427] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.485546][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.635084][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.674384][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.755013][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.874024][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.877420][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.879002][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.881457][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.884417][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.886058][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.887675][ T4410] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.888799][ T4410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.890270][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.893069][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.895328][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.896824][ T4410] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.898133][ T4410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.936988][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.941124][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.944496][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.946233][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.948235][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.950598][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.952439][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.955866][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.957420][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.959896][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.961462][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.964669][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.057050][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.064205][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.065548][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.066762][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.068301][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.073661][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.075437][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.077167][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.078590][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.080648][ T4427] device veth0_vlan entered promiscuous mode [ 44.083649][ T4427] device veth1_vlan entered promiscuous mode [ 44.089627][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.091133][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.092598][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.094635][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.145327][ T4427] device veth0_macvtap entered promiscuous mode [ 44.147960][ T4427] device veth1_macvtap entered promiscuous mode [ 44.152207][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.154227][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.156189][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.157690][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.159240][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.160663][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.162311][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.164885][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.166554][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.168588][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.169703][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.171466][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.173922][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.175402][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.176817][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.178178][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.199054][ T4410] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.200943][ T4410] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.203037][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.209920][ T4410] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.211262][ T4410] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.212548][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.362690][ T4443] loop0: detected capacity change from 0 to 32768 [ 44.367587][ T4443] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.369156][ T4443] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.386018][ T4443] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.388919][ T4377] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.390104][ T4377] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.404580][ T4377] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 44.406662][ T4377] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.407785][ T4443] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.514678][ T4427] ------------[ cut here ]------------ [ 44.515801][ T4427] WARNING: CPU: 1 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 44.517375][ T4427] Modules linked in: [ 44.518007][ T4427] CPU: 1 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 44.519288][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 44.520768][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.522124][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 44.523056][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 44.524015][ T4427] sp : ffff8000210f75e0 [ 44.524715][ T4427] x29: ffff8000210f7600 x28: 1fffff80006f2558 x27: dfff800000000000 [ 44.526152][ T4427] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 44.527576][ T4427] x23: 0000000000000000 x22: fffffc0003792ac8 x21: 1fffe00018093932 [ 44.529015][ T4427] x20: ffff0000db322250 x19: fffffc0003792ac0 x18: ffff800011b9bf60 [ 44.530395][ T4427] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 44.531731][ T4427] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 44.533189][ T4427] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 44.534482][ T4427] x8 : ffff0000cad91bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.536023][ T4427] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 44.537265][ T4427] x2 : ffff0000cf0ca060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.538660][ T4427] Call trace: [ 44.539185][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 44.539955][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 44.540735][ T4427] gfs2_unpin+0x120/0x8fc [ 44.541513][ T4427] buf_lo_after_commit+0x140/0x188 [ 44.542315][ T4427] gfs2_log_flush+0xc00/0x1b20 [ 44.543839][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 44.544597][ T4427] deactivate_locked_super+0xac/0x120 [ 44.545446][ T4427] deactivate_super+0xe4/0x104 [ 44.546310][ T4427] cleanup_mnt+0x390/0x418 [ 44.547077][ T4427] __cleanup_mnt+0x20/0x30 [ 44.547849][ T4427] task_work_run+0x1ec/0x278 [ 44.548593][ T4427] get_signal+0x111c/0x1304 [ 44.549335][ T4427] do_notify_resume+0x33c/0x2aa4 [ 44.550174][ T4427] el0_svc+0x98/0x128 [ 44.550817][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 44.551652][ T4427] el0t_64_sync+0x18c/0x190 [ 44.552372][ T4427] irq event stamp: 162040 [ 44.553205][ T4427] hardirqs last enabled at (162039): [] folio_memcg_lock+0xe8/0x1f4 [ 44.554939][ T4427] hardirqs last disabled at (162040): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.556586][ T4427] softirqs last enabled at (161908): [] local_bh_enable+0x10/0x34 [ 44.558308][ T4427] softirqs last disabled at (161906): [] local_bh_disable+0x10/0x34 [ 44.559987][ T4427] ---[ end trace 0000000000000000 ]--- [ 44.573864][ T4427] ------------[ cut here ]------------ [ 44.574756][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 44.576399][ T4427] Modules linked in: [ 44.577081][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Tainted: G W syzkaller #0 [ 44.578586][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 44.580188][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.581410][ T4427] pc : __folio_start_writeback+0x88c/0xa7c [ 44.582480][ T4427] lr : __folio_start_writeback+0x88c/0xa7c [ 44.583457][ T4427] sp : ffff8000210f7080 [ 44.584054][ T4427] x29: ffff8000210f7160 x28: dfff800000000000 x27: 0000000000000000 [ 44.585379][ T4427] x26: ffff70000421ee18 x25: 0000000000000000 x24: ffff0000db322250 [ 44.586690][ T4427] x23: ffff8000210f70e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 44.588014][ T4427] x20: fffffc0003792ac8 x19: fffffc0003792ac0 x18: ffff800011b9bf60 [ 44.589362][ T4427] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 44.590690][ T4427] x14: 0000000000000001 x13: 1fffff80006f2558 x12: 0000000000ff0100 [ 44.592046][ T4427] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 44.593281][ T4427] x8 : ffff0000cad91bc0 x7 : ffff80000870c070 x6 : 0000000000000000 [ 44.594548][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 44.595987][ T4427] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.597391][ T4427] Call trace: [ 44.597996][ T4427] __folio_start_writeback+0x88c/0xa7c [ 44.598892][ T4427] set_page_writeback+0x5c/0x7c [ 44.599662][ T4427] gfs2_aspace_writepage+0x514/0x6dc [ 44.600722][ T4427] __gfs2_writepage+0x70/0x184 [ 44.601546][ T4427] write_cache_pages+0x74c/0xde8 [ 44.602411][ T4427] gfs2_ail1_flush+0x7c4/0xa14 [ 44.603245][ T4427] empty_ail1_list+0x130/0x214 [ 44.604134][ T4427] gfs2_log_flush+0x12b4/0x1b20 [ 44.604921][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 44.605711][ T4427] deactivate_locked_super+0xac/0x120 [ 44.606690][ T4427] deactivate_super+0xe4/0x104 [ 44.607464][ T4427] cleanup_mnt+0x390/0x418 [ 44.608172][ T4427] __cleanup_mnt+0x20/0x30 [ 44.608971][ T4427] task_work_run+0x1ec/0x278 [ 44.609747][ T4427] get_signal+0x111c/0x1304 [ 44.610486][ T4427] do_notify_resume+0x33c/0x2aa4 [ 44.611310][ T4427] el0_svc+0x98/0x128 [ 44.611983][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 44.612876][ T4427] el0t_64_sync+0x18c/0x190 [ 44.613606][ T4427] irq event stamp: 162338 [ 44.614296][ T4427] hardirqs last enabled at (162337): [] folio_memcg_lock+0xe8/0x1f4 [ 44.615860][ T4427] hardirqs last disabled at (162338): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.617635][ T4427] softirqs last enabled at (162314): [] handle_softirqs+0xaec/0xc60 [ 44.619292][ T4427] softirqs last disabled at (162043): [] __do_softirq+0x14/0x20 [ 44.620832][ T4427] ---[ end trace 0000000000000000 ]--- [ 44.624711][ C0] ------------[ cut here ]------------ [ 44.625685][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 44.627064][ C0] Modules linked in: [ 44.627694][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 44.628789][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 44.630180][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.631378][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 44.632205][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 44.633034][ C0] sp : ffff80001ca27970 [ 44.633652][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 44.634923][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000659148 [ 44.636384][ C0] x23: 0000000000000001 x22: ffff0000db3202a0 x21: ffff0000db3202a8 [ 44.637703][ C0] x20: 0000000000000001 x19: fffffc00032c8a40 x18: ffff800011b9bf60 [ 44.639020][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 44.640388][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 44.641696][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 44.643014][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.644452][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 44.645865][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.647178][ C0] Call trace: [ 44.647783][ C0] __folio_end_writeback+0x7d0/0x9cc [ 44.648725][ C0] folio_end_writeback+0x12c/0x410 [ 44.649686][ C0] end_page_writeback+0x58/0x74 [ 44.650527][ C0] end_buffer_async_write+0x32c/0x4f4 [ 44.651401][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 44.652076][ C0] bio_endio+0x750/0x794 [ 44.652775][ C0] blk_update_request+0x49c/0xbec [ 44.653618][ C0] blk_mq_end_request+0x54/0x88 [ 44.654414][ C0] lo_complete_rq+0x1ec/0x250 [ 44.655245][ C0] blk_done_softirq+0x11c/0x168 [ 44.656077][ C0] handle_softirqs+0x318/0xc60 [ 44.656858][ C0] run_ksoftirqd+0x7c/0x2ac [ 44.657623][ C0] smpboot_thread_fn+0x4b0/0x964 [ 44.658529][ C0] kthread+0x250/0x2d8 [ 44.659252][ C0] ret_from_fork+0x10/0x20 [ 44.659954][ C0] irq event stamp: 315333 [ 44.660683][ C0] hardirqs last enabled at (315332): [] folio_memcg_lock+0xe8/0x1f4 [ 44.662333][ C0] hardirqs last disabled at (315333): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.664018][ C0] softirqs last enabled at (315322): [] handle_softirqs+0xaec/0xc60 [ 44.665645][ C0] softirqs last disabled at (315327): [] run_ksoftirqd+0x7c/0x2ac [ 44.667278][ C0] ---[ end trace 0000000000000000 ]---