Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://39465 [ 32.708594][ T4339] cgroup: Unknown subsys name 'net' [ 32.987598][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.280442][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.783611][ T265] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.785229][ T265] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.787008][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.796257][ T265] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.797687][ T265] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.799057][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 41.025106][ T4418] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.026761][ T4418] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.028130][ T4418] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.029594][ T4418] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.031023][ T4418] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.032340][ T4418] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.304062][ T4433] chnl_net:caif_netlink_parms(): no params data found [ 41.321073][ T4433] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.322453][ T4433] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.324095][ T4433] device bridge_slave_0 entered promiscuous mode [ 41.330163][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.331410][ T4433] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.333026][ T4433] device bridge_slave_1 entered promiscuous mode [ 41.341791][ T4433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.344594][ T4433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.351342][ T4433] team0: Port device team_slave_0 added [ 41.353211][ T4433] team0: Port device team_slave_1 added [ 41.359330][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.360560][ T4433] 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. [ 41.364631][ T4433] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.367339][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.368503][ T4433] 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. [ 41.372832][ T4433] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.425765][ T4433] device hsr_slave_0 entered promiscuous mode [ 41.465314][ T4433] device hsr_slave_1 entered promiscuous mode [ 41.555294][ T4433] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.603774][ T4433] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.665010][ T4433] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.705689][ T4433] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.769983][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.771228][ T4433] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.772843][ T4433] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.774150][ T4433] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.786168][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.788276][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.800103][ T4433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.803935][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.807039][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.818724][ T4433] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.821250][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.823130][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.824769][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.826234][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.829204][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.831220][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.832823][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.834068][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.837671][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.840522][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.843431][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.845629][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.848192][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.850600][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.852263][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.865772][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.867612][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.869884][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.871334][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.876452][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.927100][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.928681][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.932480][ T4433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.944681][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.946511][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.951813][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.953537][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.955541][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.956966][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.959535][ T4433] device veth0_vlan entered promiscuous mode [ 41.963288][ T4433] device veth1_vlan entered promiscuous mode [ 41.969731][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.971296][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.972912][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.975382][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.977949][ T4433] device veth0_macvtap entered promiscuous mode [ 41.990214][ T4433] device veth1_macvtap entered promiscuous mode [ 41.996538][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.997974][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.999630][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.001154][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.002729][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.005909][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.007653][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.009529][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.012206][ T4433] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.013778][ T4433] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.015398][ T4433] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.016741][ T4433] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:42 executed programs: 0 [ 42.543618][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.545761][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.547399][ T4419] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.549314][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.550808][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.552067][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.856852][ T249] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.900096][ T4449] chnl_net:caif_netlink_parms(): no params data found [ 42.915704][ T4449] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.916977][ T4449] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.918540][ T4449] device bridge_slave_0 entered promiscuous mode [ 42.920546][ T4449] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.921770][ T4449] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.923377][ T4449] device bridge_slave_1 entered promiscuous mode [ 42.930427][ T4449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.932882][ T4449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.939313][ T4449] team0: Port device team_slave_0 added [ 42.941250][ T4449] team0: Port device team_slave_1 added [ 42.947580][ T4449] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.948896][ T4449] 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. [ 42.953250][ T4449] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.956045][ T4449] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.957347][ T4449] 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. [ 42.961543][ T4449] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.005739][ T4449] device hsr_slave_0 entered promiscuous mode [ 43.044634][ T4449] device hsr_slave_1 entered promiscuous mode [ 43.094571][ T4449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.096081][ T4449] Cannot create hsr debugfs directory [ 44.564998][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 45.046257][ T249] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.644444][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 47.666383][ T249] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.756644][ T249] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.724449][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 48.748092][ T4449] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.795820][ T4449] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.041929][ T4449] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.075578][ T4449] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.160501][ T4449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.164030][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.165744][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.168244][ T4449] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.171035][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.172722][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.174332][ T265] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.175729][ T265] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.178325][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.212837][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.214914][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.216502][ T265] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.217728][ T265] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.220236][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.222989][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.226008][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.227766][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.229340][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.231839][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.233868][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.236841][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.238480][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.241630][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.243297][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.312073][ T4449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.409481][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.410929][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.414841][ T4449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.420670][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.422361][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.427883][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.429493][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.431045][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.432581][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.435678][ T4449] device veth0_vlan entered promiscuous mode [ 49.438931][ T4449] device veth1_vlan entered promiscuous mode [ 49.490633][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.492377][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.493966][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.495900][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.498657][ T4449] device veth0_macvtap entered promiscuous mode [ 49.501615][ T4449] device veth1_macvtap entered promiscuous mode [ 49.506437][ T4449] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 49.508243][ T4449] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.510345][ T4449] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.511682][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.513317][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.514923][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.516566][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.519011][ T4449] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 49.520773][ T4449] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.522911][ T4449] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.524189][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.527137][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.562390][ T4449] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.563936][ T4449] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.566326][ T4449] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.567840][ T4449] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.585738][ T1618] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.587165][ T1618] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.591826][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.596256][ T1618] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.597573][ T1618] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.598952][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.748671][ T4520] loop0: detected capacity change from 0 to 32768 [ 49.758326][ T4520] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 49.759740][ T4520] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 49.772748][ T4520] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 49.775286][ T4409] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 49.776465][ T4409] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 49.789673][ T4409] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 49.792328][ T4409] gfs2: fsid=syz:syz.0: jid=0: Done [ 49.793422][ T4520] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.890480][ T4449] ------------[ cut here ]------------ [ 49.891547][ T4449] WARNING: CPU: 0 PID: 4449 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 49.893199][ T4449] Modules linked in: [ 49.893840][ T4449] CPU: 0 PID: 4449 Comm: syz-executor Not tainted syzkaller #0 [ 49.895126][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 49.896929][ T4449] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.898301][ T4449] pc : __folio_mark_dirty+0x8b8/0xce0 [ 49.899240][ T4449] lr : __folio_mark_dirty+0x8b8/0xce0 [ 49.900186][ T4449] sp : ffff800020be7700 [ 49.900954][ T4449] x29: ffff800020be7710 x28: 1fffff80006c1160 x27: 0000000000000000 [ 49.902395][ T4449] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c998 [ 49.903823][ T4449] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018093933 [ 49.905259][ T4449] x20: ffff0000dea747e8 x19: fffffc0003608b00 x18: 1fffe00033e7277e [ 49.906633][ T4449] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 49.908064][ T4449] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000000000 [ 49.909403][ T4449] x11: ff00800008715320 x10: 0000000000000000 x9 : ffff800008715320 [ 49.910855][ T4449] x8 : ffff0000de12b800 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.912252][ T4449] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66f8c [ 49.913685][ T4449] x2 : ffff0000ce9c0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.915103][ T4449] Call trace: [ 49.915648][ T4449] __folio_mark_dirty+0x8b8/0xce0 [ 49.916500][ T4449] mark_buffer_dirty+0x2b8/0x5c0 [ 49.917359][ T4449] gfs2_unpin+0x128/0x918 [ 49.918083][ T4449] buf_lo_after_commit+0x144/0x18c [ 49.918988][ T4449] __gfs2_log_flush+0x12e8/0x1bd4 [ 49.919867][ T4449] gfs2_log_flush+0x3c/0x58 [ 49.920630][ T4449] gfs2_kill_sb+0x5c/0xd8 [ 49.921376][ T4449] deactivate_locked_super+0xb4/0x128 [ 49.922323][ T4449] deactivate_super+0xe4/0x104 [ 49.923163][ T4449] cleanup_mnt+0x3a8/0x430 [ 49.923925][ T4449] __cleanup_mnt+0x20/0x30 [ 49.924670][ T4449] task_work_run+0x1f4/0x280 [ 49.925441][ T4449] do_notify_resume+0x20f8/0x2c84 [ 49.926297][ T4449] el0_svc+0x98/0x128 [ 49.926960][ T4449] el0t_64_sync_handler+0x84/0xf0 [ 49.927863][ T4449] el0t_64_sync+0x18c/0x190 [ 49.928705][ T4449] irq event stamp: 148862 [ 49.929475][ T4449] hardirqs last enabled at (148861): [] folio_memcg_lock+0xe8/0x1f8 [ 49.931055][ T4449] hardirqs last disabled at (148862): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.932754][ T4449] softirqs last enabled at (148754): [] local_bh_enable+0x10/0x34 [ 49.934342][ T4449] softirqs last disabled at (148752): [] local_bh_disable+0x10/0x34 [ 49.935983][ T4449] ---[ end trace 0000000000000000 ]--- [ 49.941510][ T4449] ------------[ cut here ]------------ [ 49.942430][ T4449] WARNING: CPU: 0 PID: 4449 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 49.944145][ T4449] Modules linked in: [ 49.944799][ T4449] CPU: 0 PID: 4449 Comm: syz-executor Tainted: G W syzkaller #0 [ 49.946356][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 49.948117][ T4449] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.949479][ T4449] pc : __folio_start_writeback+0x8a8/0xa98 [ 49.950521][ T4449] lr : __folio_start_writeback+0x8a8/0xa98 [ 49.951510][ T4449] sp : ffff800020be7180 [ 49.952216][ T4449] x29: ffff800020be7260 x28: ffff70000417ce38 x27: 0000000000000000 [ 49.953595][ T4449] x26: ffff0000c049c7f0 x25: 1fffff80006c1161 x24: dfff800000000000 [ 49.954946][ T4449] x23: ffff0000dea747e8 x22: ffff800020be71e0 x21: ffff0000c049c998 [ 49.956314][ T4449] x20: 0000000000000001 x19: fffffc0003608b00 x18: 1fffe00033e7277e [ 49.957735][ T4449] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 49.959135][ T4449] x14: 0000000000000001 x13: 1fffff80006c1160 x12: 0000000000000000 [ 49.960598][ T4449] x11: ff00800008717844 x10: 0000000000000000 x9 : ffff800008717844 [ 49.962007][ T4449] x8 : ffff0000de12b800 x7 : ffff800008717294 x6 : 0000000000000000 [ 49.963413][ T4449] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087172d0 [ 49.964778][ T4449] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.966120][ T4449] Call trace: [ 49.966700][ T4449] __folio_start_writeback+0x8a8/0xa98 [ 49.967664][ T4449] set_page_writeback+0x5c/0x7c [ 49.968532][ T4449] gfs2_aspace_writepage+0x524/0x6f4 [ 49.969494][ T4449] __gfs2_writepage+0x70/0x184 [ 49.970347][ T4449] write_cache_pages+0x760/0xe00 [ 49.971190][ T4449] gfs2_ail1_flush+0x7a8/0x9f0 [ 49.972059][ T4449] empty_ail1_list+0x130/0x214 [ 49.972916][ T4449] __gfs2_log_flush+0x15c8/0x1bd4 [ 49.973809][ T4449] gfs2_log_flush+0x3c/0x58 [ 49.974585][ T4449] gfs2_kill_sb+0x5c/0xd8 [ 49.975336][ T4449] deactivate_locked_super+0xb4/0x128 [ 49.976256][ T4449] deactivate_super+0xe4/0x104 [ 49.977061][ T4449] cleanup_mnt+0x3a8/0x430 [ 49.977812][ T4449] __cleanup_mnt+0x20/0x30 [ 49.978553][ T4449] task_work_run+0x1f4/0x280 [ 49.979328][ T4449] do_notify_resume+0x20f8/0x2c84 [ 49.980217][ T4449] el0_svc+0x98/0x128 [ 49.980901][ T4449] el0t_64_sync_handler+0x84/0xf0 [ 49.981779][ T4449] el0t_64_sync+0x18c/0x190 [ 49.982534][ T4449] irq event stamp: 149044 [ 49.983270][ T4449] hardirqs last enabled at (149043): [] folio_memcg_lock+0xe8/0x1f8 [ 49.984944][ T4449] hardirqs last disabled at (149044): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.986656][ T4449] softirqs last enabled at (149016): [] handle_softirqs+0xb1c/0xc90 [ 49.988336][ T4449] softirqs last disabled at (148865): [] __do_softirq+0x14/0x20 [ 49.989914][ T4449] ---[ end trace 0000000000000000 ]--- [ 49.994209][ C1] ------------[ cut here ]------------ [ 49.995359][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 49.997258][ C1] Modules linked in: [ 49.997951][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.999472][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 50.001105][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.002442][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 50.003413][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 50.004427][ C1] sp : ffff80001cc07980 [ 50.005151][ C1] x29: ffff80001cc079a0 x28: 1fffff80006998d1 x27: 1fffff80006998d0 [ 50.006585][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c7f0 [ 50.007986][ C1] x23: ffff0000c049c998 x22: ffff0000dea77770 x21: ffff0000dea77778 [ 50.009363][ C1] x20: 0000000000000001 x19: fffffc00034cc680 x18: 1fffe00033e7697e [ 50.010737][ C1] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 50.012090][ C1] x14: 0000000000000003 x13: 1ffff00003980f22 x12: 0000000000000000 [ 50.013517][ C1] x11: ff00800008716da0 x10: 0000000000000000 x9 : ffff800008716da0 [ 50.014857][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.016234][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 50.017652][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.019006][ C1] Call trace: [ 50.019592][ C1] __folio_end_writeback+0x7d0/0x9cc [ 50.020536][ C1] folio_end_writeback+0x12c/0x410 [ 50.021406][ C1] end_page_writeback+0x58/0x74 [ 50.022249][ C1] end_buffer_async_write+0x330/0x4fc [ 50.023202][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 50.024079][ C1] bio_endio+0x750/0x794 [ 50.024810][ C1] blk_update_request+0x4ac/0xc58 [ 50.025678][ C1] blk_mq_end_request+0x54/0x8c [ 50.026506][ C1] lo_complete_rq+0x1e8/0x238 [ 50.027309][ C1] blk_done_softirq+0x11c/0x168 [ 50.028130][ C1] handle_softirqs+0x318/0xc90 [ 50.028970][ C1] run_ksoftirqd+0x7c/0x2ac [ 50.029754][ C1] smpboot_thread_fn+0x4e8/0x960 [ 50.030599][ C1] kthread+0x254/0x2e0 [ 50.031326][ C1] ret_from_fork+0x10/0x20 [ 50.032089][ C1] irq event stamp: 430519 [ 50.032820][ C1] hardirqs last enabled at (430518): [] folio_memcg_lock+0xe8/0x1f8 [ 50.034492][ C1] hardirqs last disabled at (430519): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.036237][ C1] softirqs last enabled at (430508): [] handle_softirqs+0xb1c/0xc90 [ 50.037873][ C1] softirqs last disabled at (430513): [] run_ksoftirqd+0x7c/0x2ac [ 50.039453][ C1] ---[ end trace 0000000000000000 ]---