Warning: Permanently added '10.128.0.111' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs 1970/01/01 00:00:32 serving rpc on tcp://44933 [ 33.615988][ T4341] cgroup: Unknown subsys name 'net' [ 33.849402][ T4341] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.135754][ T4341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.386282][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.388453][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.390459][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.397109][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.398701][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.400445][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.611455][ T4401] chnl_net:caif_netlink_parms(): no params data found [ 38.629180][ T4401] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.630610][ T4401] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.632242][ T4401] device bridge_slave_0 entered promiscuous mode [ 38.634779][ T4401] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.636174][ T4401] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.638208][ T4401] device bridge_slave_1 entered promiscuous mode [ 38.644711][ T4401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.647838][ T4401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.654699][ T4401] team0: Port device team_slave_0 added [ 38.656693][ T4401] team0: Port device team_slave_1 added [ 38.662189][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.663479][ T4401] 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. [ 38.668458][ T4401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.671416][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.672818][ T4401] 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. [ 38.677567][ T4401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.717825][ T4401] device hsr_slave_0 entered promiscuous mode [ 38.746699][ T4401] device hsr_slave_1 entered promiscuous mode [ 38.850827][ T4401] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.878522][ T4401] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.919380][ T4401] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.978647][ T4401] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.052135][ T4401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.055648][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.058483][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.061569][ T4401] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.064476][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.067543][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.069705][ T1592] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.071203][ T1592] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.073154][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.075857][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.078093][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.079859][ T1592] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.081391][ T1592] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.083976][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.106553][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.108607][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.110679][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.112596][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.114393][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.116201][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.118786][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.120905][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.122701][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.124745][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.128136][ T4401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.179499][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.181066][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.184493][ T4401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.191252][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.198171][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.200214][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.201809][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.205065][ T4401] device veth0_vlan entered promiscuous mode [ 39.208634][ T4401] device veth1_vlan entered promiscuous mode [ 39.215333][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.220603][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.222316][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.232938][ T4401] device veth0_macvtap entered promiscuous mode [ 39.235782][ T4401] device veth1_macvtap entered promiscuous mode [ 39.241576][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.243024][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.244965][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.247728][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.250923][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.252455][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.254391][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.257168][ T4401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.258852][ T4401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.260505][ T4401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.262108][ T4401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.371300][ T4444] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.373019][ T4444] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.374681][ T4444] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.376421][ T4444] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.380030][ T4444] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.381518][ T4444] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:39 executed programs: 0 [ 39.602985][ T48] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 39.604822][ T48] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 39.606421][ T48] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 39.609004][ T48] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 39.610606][ T48] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 39.612113][ T48] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 39.798447][ T4453] chnl_net:caif_netlink_parms(): no params data found [ 39.841776][ T4453] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.843195][ T4453] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.844991][ T4453] device bridge_slave_0 entered promiscuous mode [ 39.848457][ T4453] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.849911][ T4453] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.851493][ T4453] device bridge_slave_1 entered promiscuous mode [ 39.857991][ T4453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.860886][ T4453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.219705][ T4453] team0: Port device team_slave_0 added [ 40.224266][ T4453] team0: Port device team_slave_1 added [ 40.229732][ T4453] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.230991][ T4453] 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. [ 40.235525][ T4453] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.238676][ T4453] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.240062][ T4453] 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. [ 40.244785][ T4453] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.277688][ T4453] device hsr_slave_0 entered promiscuous mode [ 40.306708][ T4453] device hsr_slave_1 entered promiscuous mode [ 40.376608][ T4453] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.378292][ T4453] Cannot create hsr debugfs directory [ 40.538033][ T4453] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.677009][ T48] Bluetooth: hci1: command 0x0409 tx timeout [ 42.977822][ T4453] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.756532][ T48] Bluetooth: hci1: command 0x041b tx timeout [ 44.637722][ T4453] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.729245][ T4453] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.979102][ T4453] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.128462][ T4453] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.258363][ T4453] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.317601][ T4453] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.437107][ T4453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.440822][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.442780][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.445664][ T4453] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.480411][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.482378][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.484374][ T1592] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.485847][ T1592] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.488015][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.490881][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.492707][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.494560][ T1592] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.496088][ T1592] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.500006][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.502891][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.505964][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.508202][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.509977][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.513532][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.515583][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.519298][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.521154][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.524029][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.525922][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.579403][ T4453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.640543][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.642112][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.645240][ T4453] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.651479][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.653371][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.659444][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.661170][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.663634][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.665236][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.668448][ T4453] device veth0_vlan entered promiscuous mode [ 45.672014][ T4453] device veth1_vlan entered promiscuous mode [ 45.679674][ T1580] device hsr_slave_0 left promiscuous mode [ 45.726886][ T1580] device hsr_slave_1 left promiscuous mode [ 45.816586][ T1580] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.818086][ T1580] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.820632][ T1580] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.822144][ T1580] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.823806][ T1580] device bridge_slave_1 left promiscuous mode [ 45.825398][ T1580] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.836806][ T48] Bluetooth: hci1: command 0x040f tx timeout [ 45.867359][ T1580] device bridge_slave_0 left promiscuous mode [ 45.868714][ T1580] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.006712][ T1580] device veth1_macvtap left promiscuous mode [ 46.008110][ T1580] device veth0_macvtap left promiscuous mode [ 46.009440][ T1580] device veth1_vlan left promiscuous mode [ 46.010682][ T1580] device veth0_vlan left promiscuous mode [ 47.916523][ T48] Bluetooth: hci1: command 0x0419 tx timeout [ 48.208121][ T1580] team0 (unregistering): Port device team_slave_1 removed [ 48.367514][ T1580] team0 (unregistering): Port device team_slave_0 removed [ 48.526934][ T1580] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.736936][ T1580] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.257320][ T1580] bond0 (unregistering): Released all slaves [ 50.521355][ T4453] device veth0_macvtap entered promiscuous mode [ 50.523861][ T4453] device veth1_macvtap entered promiscuous mode [ 50.533386][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.535181][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.537161][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.538875][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.540630][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.542403][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.546076][ T4453] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.549580][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.551548][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.554227][ T4453] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.555785][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.558119][ T1592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.560753][ T4453] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.562295][ T4453] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.563904][ T4453] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.565511][ T4453] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.586390][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.589685][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.591487][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.593501][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.595012][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.596899][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.743587][ T4471] loop0: detected capacity change from 0 to 32768 [ 50.751022][ T4471] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.754014][ T4471] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.769013][ T4471] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.771736][ T4431] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.773131][ T4431] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 50.784170][ T4431] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 50.787542][ T4431] gfs2: fsid=syz:syz.0: jid=0: Done [ 50.788869][ T4471] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 50.900523][ T4453] ------------[ cut here ]------------ [ 50.901767][ T4453] WARNING: CPU: 0 PID: 4453 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 50.903682][ T4453] Modules linked in: [ 50.904369][ T4453] CPU: 0 PID: 4453 Comm: syz-executor Not tainted syzkaller #0 [ 50.905850][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 50.907802][ T4453] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.909311][ T4453] pc : __folio_mark_dirty+0x8b8/0xce0 [ 50.910427][ T4453] lr : __folio_mark_dirty+0x8b8/0xce0 [ 50.911530][ T4453] sp : ffff800021b37700 [ 50.912399][ T4453] x29: ffff800021b37710 x28: 1fffff8000671c88 x27: 0000000000000000 [ 50.914044][ T4453] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c998 [ 50.915611][ T4453] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018093933 [ 50.917207][ T4453] x20: ffff0000db3647e8 x19: fffffc000338e440 x18: 1fffe00033c1877e [ 50.918778][ T4453] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 50.920326][ T4453] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000000000 [ 50.922049][ T4453] x11: ff008000087196b8 x10: 0000000000000000 x9 : ffff8000087196b8 [ 50.923845][ T4453] x8 : ffff0000d6eb8000 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.925590][ T4453] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a6beb8 [ 50.927184][ T4453] x2 : ffff0000cf1e0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.928675][ T4453] Call trace: [ 50.929315][ T4453] __folio_mark_dirty+0x8b8/0xce0 [ 50.930338][ T4453] mark_buffer_dirty+0x2b8/0x5c0 [ 50.931327][ T4453] gfs2_unpin+0x128/0x918 [ 50.932200][ T4453] buf_lo_after_commit+0x144/0x18c [ 50.933229][ T4453] __gfs2_log_flush+0x12e8/0x1bd4 [ 50.934253][ T4453] gfs2_log_flush+0x3c/0x58 [ 50.935116][ T4453] gfs2_kill_sb+0x5c/0xd8 [ 50.935948][ T4453] deactivate_locked_super+0xb4/0x128 [ 50.937061][ T4453] deactivate_super+0xe4/0x104 [ 50.938003][ T4453] cleanup_mnt+0x3a8/0x430 [ 50.938857][ T4453] __cleanup_mnt+0x20/0x30 [ 50.939613][ T4453] task_work_run+0x1f4/0x280 [ 50.940523][ T4453] do_notify_resume+0x20f8/0x2c84 [ 50.941606][ T4453] el0_svc+0x9c/0x12c [ 50.942487][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 50.943545][ T4453] el0t_64_sync+0x18c/0x190 [ 50.944506][ T4453] irq event stamp: 159522 [ 50.945437][ T4453] hardirqs last enabled at (159521): [] folio_memcg_lock+0xe8/0x1f8 [ 50.947509][ T4453] hardirqs last disabled at (159522): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.949689][ T4453] softirqs last enabled at (159514): [] handle_softirqs+0xb1c/0xc90 [ 50.951619][ T4453] softirqs last disabled at (159417): [] __do_softirq+0x14/0x20 [ 50.953378][ T4453] ---[ end trace 0000000000000000 ]--- [ 50.966992][ T4453] ------------[ cut here ]------------ [ 50.968175][ T4453] WARNING: CPU: 1 PID: 4453 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 50.970385][ T4453] Modules linked in: [ 50.971197][ T4453] CPU: 1 PID: 4453 Comm: syz-executor Tainted: G W syzkaller #0 [ 50.973054][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 50.975048][ T4453] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.976681][ T4453] pc : __folio_start_writeback+0x8a8/0xa98 [ 50.977876][ T4453] lr : __folio_start_writeback+0x8a8/0xa98 [ 50.979083][ T4453] sp : ffff800021b37180 [ 50.979900][ T4453] x29: ffff800021b37260 x28: ffff700004366e38 x27: 0000000000000000 [ 50.981592][ T4453] x26: ffff0000c049c7f0 x25: 1fffff8000671c89 x24: dfff800000000000 [ 50.983304][ T4453] x23: ffff0000db3647e8 x22: ffff800021b371e0 x21: ffff0000c049c998 [ 50.984998][ T4453] x20: 0000000000000001 x19: fffffc000338e440 x18: 1fffe00033c1c97e [ 50.986597][ T4453] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 0000000000000000 [ 50.988303][ T4453] x14: 0000000000000001 x13: 1fffff8000671c88 x12: 0000000000000000 [ 50.989999][ T4453] x11: ff0080000871bbdc x10: 0000000000000000 x9 : ffff80000871bbdc [ 50.991646][ T4453] x8 : ffff0000d6eb8000 x7 : ffff80000871b62c x6 : 0000000000000000 [ 50.993281][ T4453] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000871b668 [ 50.994904][ T4453] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.996573][ T4453] Call trace: [ 50.997238][ T4453] __folio_start_writeback+0x8a8/0xa98 [ 50.998387][ T4453] set_page_writeback+0x5c/0x7c [ 50.999386][ T4453] gfs2_aspace_writepage+0x524/0x6f4 [ 51.000519][ T4453] __gfs2_writepage+0x70/0x184 [ 51.001529][ T4453] write_cache_pages+0x760/0xe00 [ 51.002566][ T4453] gfs2_ail1_flush+0x7a8/0x9f0 [ 51.003510][ T4453] empty_ail1_list+0x130/0x214 [ 51.004509][ T4453] __gfs2_log_flush+0x15c8/0x1bd4 [ 51.005513][ T4453] gfs2_log_flush+0x3c/0x58 [ 51.006426][ T4453] gfs2_kill_sb+0x5c/0xd8 [ 51.007397][ T4453] deactivate_locked_super+0xb4/0x128 [ 51.008563][ T4453] deactivate_super+0xe4/0x104 [ 51.009624][ T4453] cleanup_mnt+0x3a8/0x430 [ 51.010518][ T4453] __cleanup_mnt+0x20/0x30 [ 51.011393][ T4453] task_work_run+0x1f4/0x280 [ 51.012360][ T4453] do_notify_resume+0x20f8/0x2c84 [ 51.013416][ T4453] el0_svc+0x9c/0x12c [ 51.014264][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 51.015271][ T4453] el0t_64_sync+0x18c/0x190 [ 51.016222][ T4453] irq event stamp: 159562 [ 51.017183][ T4453] hardirqs last enabled at (159561): [] folio_memcg_lock+0xe8/0x1f8 [ 51.019106][ T4453] hardirqs last disabled at (159562): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.021118][ T4453] softirqs last enabled at (159538): [] handle_softirqs+0xb1c/0xc90 [ 51.023072][ T4453] softirqs last disabled at (159525): [] __do_softirq+0x14/0x20 [ 51.024889][ T4453] ---[ end trace 0000000000000000 ]--- [ 51.029030][ C0] ------------[ cut here ]------------ [ 51.030176][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.032122][ C0] Modules linked in: [ 51.032782][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.034345][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 51.036340][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.037900][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.039036][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.040134][ C0] sp : ffff80001dc57980 [ 51.040965][ C0] x29: ffff80001dc579a0 x28: 1fffff80006d1091 x27: 1fffff80006d1090 [ 51.042500][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c7f0 [ 51.044153][ C0] x23: ffff0000c049c998 x22: ffff0000db367770 x21: ffff0000db367778 [ 51.045749][ C0] x20: 0000000000000001 x19: fffffc0003688480 x18: 1fffe00033c1877e [ 51.047564][ C0] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 51.049165][ C0] x14: 0000000000000003 x13: 1ffff00003b8af22 x12: 0000000000000000 [ 51.050794][ C0] x11: ff0080000871b138 x10: 0000000000000000 x9 : ffff80000871b138 [ 51.052334][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.053843][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.055686][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.057368][ C0] Call trace: [ 51.058033][ C0] __folio_end_writeback+0x7d0/0x9cc [ 51.059127][ C0] folio_end_writeback+0x12c/0x410 [ 51.060162][ C0] end_page_writeback+0x58/0x74 [ 51.061183][ C0] end_buffer_async_write+0x330/0x4fc [ 51.062348][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 51.063328][ C0] bio_endio+0x750/0x794 [ 51.064200][ C0] blk_update_request+0x4ac/0xc58 [ 51.065310][ C0] blk_mq_end_request+0x54/0x8c [ 51.066334][ C0] lo_complete_rq+0x1e8/0x238 [ 51.067340][ C0] blk_done_softirq+0x11c/0x168 [ 51.068400][ C0] handle_softirqs+0x318/0xc90 [ 51.069362][ C0] run_ksoftirqd+0x7c/0x2ac [ 51.070255][ C0] smpboot_thread_fn+0x4e8/0x960 [ 51.071233][ C0] kthread+0x254/0x2e0 [ 51.072020][ C0] ret_from_fork+0x10/0x20 [ 51.072870][ C0] irq event stamp: 405857 [ 51.073704][ C0] hardirqs last enabled at (405856): [] folio_memcg_lock+0xe8/0x1f8 [ 51.075679][ C0] hardirqs last disabled at (405857): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.077665][ C0] softirqs last enabled at (405846): [] handle_softirqs+0xb1c/0xc90 [ 51.079585][ C0] softirqs last disabled at (405851): [] run_ksoftirqd+0x7c/0x2ac [ 51.081400][ C0] ---[ end trace 0000000000000000 ]---