Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.589300][ T4326] cgroup: Unknown subsys name 'net' [ 31.797115][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.080271][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.917081][ T4341] chnl_net:caif_netlink_parms(): no params data found [ 38.935753][ T4341] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.937083][ T4341] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.938637][ T4341] device bridge_slave_0 entered promiscuous mode [ 38.940958][ T4341] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.942114][ T4341] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.943663][ T4341] device bridge_slave_1 entered promiscuous mode [ 38.952062][ T4341] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.954444][ T4341] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.961547][ T4341] team0: Port device team_slave_0 added [ 38.963214][ T4341] team0: Port device team_slave_1 added [ 38.969537][ T4341] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.970837][ T4341] 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. [ 38.975462][ T4341] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.978204][ T4341] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.979369][ T4341] 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. [ 38.983605][ T4341] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.015613][ T4341] device hsr_slave_0 entered promiscuous mode [ 39.054467][ T4341] device hsr_slave_1 entered promiscuous mode [ 39.140929][ T4341] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.158029][ T4341] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.195326][ T4341] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.257319][ T4341] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.303315][ T4341] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.304605][ T4341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.305996][ T4341] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.307245][ T4341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.324520][ T4341] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.328119][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.330648][ T1651] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.332343][ T1651] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.334056][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.338382][ T4341] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.341335][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.343204][ T1651] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.344354][ T1651] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.349628][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.351176][ T1651] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.352405][ T1651] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.359332][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.360960][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.364889][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.368020][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.371415][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.373823][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.429529][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.430950][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.434503][ T4341] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.440337][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.446551][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.448406][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.449856][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.452870][ T4341] device veth0_vlan entered promiscuous mode [ 39.457730][ T4341] device veth1_vlan entered promiscuous mode [ 39.465724][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.467214][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.468659][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.471461][ T4341] device veth0_macvtap entered promiscuous mode [ 39.473873][ T4341] device veth1_macvtap entered promiscuous mode [ 39.480797][ T4341] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.482125][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.484176][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.489516][ T4341] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.490938][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.493570][ T4341] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.495823][ T4341] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.497262][ T4341] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.498881][ T4341] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.593442][ T4360] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.597339][ T4360] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.598985][ T4360] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.601578][ T4360] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.602994][ T4360] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.606162][ T4360] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.066311][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.805520][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.806819][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.808568][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.818191][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.819561][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.821298][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:41 executed programs: 0 [ 41.222224][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.223810][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.227136][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.228732][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.230168][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.231496][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.277213][ T4418] chnl_net:caif_netlink_parms(): no params data found [ 41.294909][ T4418] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.296203][ T4418] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.297590][ T4418] device bridge_slave_0 entered promiscuous mode [ 41.300012][ T4418] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.301283][ T4418] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.302822][ T4418] device bridge_slave_1 entered promiscuous mode [ 41.309786][ T4418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.312286][ T4418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.319253][ T4418] team0: Port device team_slave_0 added [ 41.321566][ T4418] team0: Port device team_slave_1 added [ 41.327213][ T4418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.328516][ T4418] 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. [ 41.332709][ T4418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.335609][ T4418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.336816][ T4418] 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. [ 41.341313][ T4418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.395394][ T4418] device hsr_slave_0 entered promiscuous mode [ 41.434768][ T4418] device hsr_slave_1 entered promiscuous mode [ 41.474309][ T4418] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.475778][ T4418] Cannot create hsr debugfs directory [ 42.795552][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.274619][ T4360] Bluetooth: hci0: command 0x0409 tx timeout [ 45.055936][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.136160][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.364492][ T4360] Bluetooth: hci0: command 0x041b tx timeout [ 46.136067][ T4418] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.185357][ T4418] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.276838][ T4418] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.357856][ T4418] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.468680][ T4418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.472352][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.473888][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.477357][ T4418] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.479813][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.481459][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.483037][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.484219][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.485905][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.488742][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.490376][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.491824][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.493008][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.497766][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.500655][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.503532][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.505952][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.507625][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.510403][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.512390][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.557876][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.559652][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.562377][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.563959][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.566871][ T4418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.629825][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.631206][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.634469][ T4418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.640549][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.642337][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.648506][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.650230][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.651829][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.653364][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.656658][ T4418] device veth0_vlan entered promiscuous mode [ 46.660914][ T4418] device veth1_vlan entered promiscuous mode [ 46.667947][ T9] device hsr_slave_0 left promiscuous mode [ 46.685877][ T9] device hsr_slave_1 left promiscuous mode [ 46.774293][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.775663][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.777373][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.778647][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.780179][ T9] device bridge_slave_1 left promiscuous mode [ 46.781704][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.824961][ T9] device bridge_slave_0 left promiscuous mode [ 46.826121][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.944707][ T9] device veth1_macvtap left promiscuous mode [ 46.945707][ T9] device veth0_macvtap left promiscuous mode [ 46.946682][ T9] device veth1_vlan left promiscuous mode [ 46.947687][ T9] device veth0_vlan left promiscuous mode [ 47.434485][ T4360] Bluetooth: hci0: command 0x040f tx timeout [ 49.055821][ T9] team0 (unregistering): Port device team_slave_1 removed [ 49.235164][ T9] team0 (unregistering): Port device team_slave_0 removed [ 49.414759][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.524237][ T4360] Bluetooth: hci0: command 0x0419 tx timeout [ 49.624650][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.215088][ T9] bond0 (unregistering): Released all slaves [ 51.522637][ T4418] device veth0_macvtap entered promiscuous mode [ 51.525169][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.526824][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.528440][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.529941][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.531581][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.537063][ T4418] device veth1_macvtap entered promiscuous mode [ 51.542673][ T4418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.543919][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.549240][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.552979][ T4418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.554550][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.556247][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.558860][ T4418] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.560250][ T4418] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.561839][ T4418] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.563324][ T4418] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.581340][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.582570][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.591073][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.596119][ T1651] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.597489][ T1651] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.598962][ T1651] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.769442][ T4496] loop0: detected capacity change from 0 to 32768 [ 51.773263][ T4496] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.774747][ T4496] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.782887][ T4496] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.785439][ T1966] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.786577][ T1966] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.799553][ T1966] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 51.801213][ T1966] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.802184][ T4496] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.879374][ T4418] ------------[ cut here ]------------ [ 51.880379][ T4418] WARNING: CPU: 0 PID: 4418 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 51.882014][ T4418] Modules linked in: [ 51.882647][ T4418] CPU: 0 PID: 4418 Comm: syz-executor Not tainted syzkaller #0 [ 51.883825][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.885566][ T4418] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.886863][ T4418] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 51.887766][ T4418] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 51.888676][ T4418] sp : ffff800020b576e0 [ 51.889385][ T4418] x29: ffff800020b57700 x28: 1fffff8000798830 x27: dfff800000000000 [ 51.890749][ T4418] x26: 0000000000000000 x25: ffff0000c5361290 x24: 0000000000000001 [ 51.892089][ T4418] x23: 0000000000000000 x22: fffffc0003cc4188 x21: 1fffe00018a6c252 [ 51.893464][ T4418] x20: ffff0000db646250 x19: fffffc0003cc4180 x18: ffff800011b9bf60 [ 51.894864][ T4418] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 51.896304][ T4418] x14: 0000000000000001 x13: 1fffe00018a6c252 x12: 0000000000ff0100 [ 51.897766][ T4418] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 51.899072][ T4418] x8 : ffff0000c7068000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.900294][ T4418] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 51.901678][ T4418] x2 : ffff0000cf10a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.903111][ T4418] Call trace: [ 51.903714][ T4418] __folio_mark_dirty+0x8a0/0xcd8 [ 51.904629][ T4418] mark_buffer_dirty+0x2b8/0x5c0 [ 51.905416][ T4418] gfs2_unpin+0x120/0x8fc [ 51.906176][ T4418] buf_lo_after_commit+0x140/0x188 [ 51.907245][ T4418] gfs2_log_flush+0xc00/0x1b20 [ 51.908128][ T4418] gfs2_kill_sb+0x5c/0xd4 [ 51.908859][ T4418] deactivate_locked_super+0xac/0x120 [ 51.909787][ T4418] deactivate_super+0xe4/0x104 [ 51.910690][ T4418] cleanup_mnt+0x390/0x418 [ 51.911451][ T4418] __cleanup_mnt+0x20/0x30 [ 51.912277][ T4418] task_work_run+0x1ec/0x278 [ 51.913042][ T4418] do_notify_resume+0x1fa0/0x2aa4 [ 51.913869][ T4418] el0_svc+0x98/0x128 [ 51.914646][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 51.915533][ T4418] el0t_64_sync+0x18c/0x190 [ 51.916366][ T4418] irq event stamp: 160228 [ 51.917201][ T4418] hardirqs last enabled at (160227): [] folio_memcg_lock+0xe8/0x1f4 [ 51.918833][ T4418] hardirqs last disabled at (160228): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.920606][ T4418] softirqs last enabled at (160116): [] local_bh_enable+0x10/0x34 [ 51.922153][ T4418] softirqs last disabled at (160114): [] local_bh_disable+0x10/0x34 [ 51.923850][ T4418] ---[ end trace 0000000000000000 ]--- [ 51.934512][ T4418] ------------[ cut here ]------------ [ 51.935449][ T4418] WARNING: CPU: 1 PID: 4418 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 51.937321][ T4418] Modules linked in: [ 51.938016][ T4418] CPU: 1 PID: 4418 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.939474][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.941014][ T4418] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.942313][ T4418] pc : __folio_start_writeback+0x88c/0xa7c [ 51.943256][ T4418] lr : __folio_start_writeback+0x88c/0xa7c [ 51.944253][ T4418] sp : ffff800020b57180 [ 51.945001][ T4418] x29: ffff800020b57260 x28: dfff800000000000 x27: 0000000000000000 [ 51.946402][ T4418] x26: ffff70000416ae38 x25: 0000000000000000 x24: ffff0000db646250 [ 51.947730][ T4418] x23: ffff800020b571e0 x22: ffff0000c53610e8 x21: 0000000000000001 [ 51.949170][ T4418] x20: fffffc0003cc4188 x19: fffffc0003cc4180 x18: ffff800011b9bf60 [ 51.950535][ T4418] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.951900][ T4418] x14: 0000000000000001 x13: 1fffff8000798830 x12: 0000000000ff0100 [ 51.953293][ T4418] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 51.954608][ T4418] x8 : ffff0000c7068000 x7 : ffff80000870c070 x6 : 0000000000000000 [ 51.956067][ T4418] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 51.957475][ T4418] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.958864][ T4418] Call trace: [ 51.959440][ T4418] __folio_start_writeback+0x88c/0xa7c [ 51.960428][ T4418] set_page_writeback+0x5c/0x7c [ 51.961302][ T4418] gfs2_aspace_writepage+0x514/0x6dc [ 51.962243][ T4418] __gfs2_writepage+0x70/0x184 [ 51.963048][ T4418] write_cache_pages+0x74c/0xde8 [ 51.963916][ T4418] gfs2_ail1_flush+0x7c4/0xa14 [ 51.964826][ T4418] empty_ail1_list+0x130/0x214 [ 51.965647][ T4418] gfs2_log_flush+0x12b4/0x1b20 [ 51.966508][ T4418] gfs2_kill_sb+0x5c/0xd4 [ 51.967239][ T4418] deactivate_locked_super+0xac/0x120 [ 51.968176][ T4418] deactivate_super+0xe4/0x104 [ 51.968996][ T4418] cleanup_mnt+0x390/0x418 [ 51.969731][ T4418] __cleanup_mnt+0x20/0x30 [ 51.970474][ T4418] task_work_run+0x1ec/0x278 [ 51.971336][ T4418] do_notify_resume+0x1fa0/0x2aa4 [ 51.972191][ T4418] el0_svc+0x98/0x128 [ 51.972816][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 51.973639][ T4418] el0t_64_sync+0x18c/0x190 [ 51.974444][ T4418] irq event stamp: 160378 [ 51.975230][ T4418] hardirqs last enabled at (160377): [] folio_memcg_lock+0xe8/0x1f4 [ 51.976829][ T4418] hardirqs last disabled at (160378): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.978571][ T4418] softirqs last enabled at (160356): [] handle_softirqs+0xaec/0xc60 [ 51.980315][ T4418] softirqs last disabled at (160231): [] __do_softirq+0x14/0x20 [ 51.981848][ T4418] ---[ end trace 0000000000000000 ]--- [ 51.986055][ C0] ------------[ cut here ]------------ [ 51.987044][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.988627][ C0] Modules linked in: [ 51.989219][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.990480][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.991957][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.993123][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.994014][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.994899][ C0] sp : ffff80001ca27970 [ 51.995538][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c53610e8 [ 51.996893][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006c4330 [ 51.998188][ C0] x23: 0000000000000001 x22: ffff0000db6442a0 x21: ffff0000db6442a8 [ 51.999498][ C0] x20: 0000000000000001 x19: fffffc0003621980 x18: ffff800011b9bf60 [ 52.000801][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 52.002168][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 52.003440][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 52.004792][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.006088][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.007333][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.008686][ C0] Call trace: [ 52.009240][ C0] __folio_end_writeback+0x7d0/0x9cc [ 52.010126][ C0] folio_end_writeback+0x12c/0x410 [ 52.011020][ C0] end_page_writeback+0x58/0x74 [ 52.011772][ C0] end_buffer_async_write+0x32c/0x4f4 [ 52.012657][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 52.013522][ C0] bio_endio+0x750/0x794 [ 52.014309][ C0] blk_update_request+0x49c/0xbec [ 52.015161][ C0] blk_mq_end_request+0x54/0x88 [ 52.016042][ C0] lo_complete_rq+0x1ec/0x250 [ 52.016867][ C0] blk_done_softirq+0x11c/0x168 [ 52.017763][ C0] handle_softirqs+0x318/0xc60 [ 52.018561][ C0] run_ksoftirqd+0x7c/0x2ac [ 52.019338][ C0] smpboot_thread_fn+0x4b0/0x964 [ 52.020222][ C0] kthread+0x250/0x2d8 [ 52.020905][ C0] ret_from_fork+0x10/0x20 [ 52.021628][ C0] irq event stamp: 377225 [ 52.022346][ C0] hardirqs last enabled at (377224): [] folio_memcg_lock+0xe8/0x1f4 [ 52.023905][ C0] hardirqs last disabled at (377225): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.025622][ C0] softirqs last enabled at (377214): [] handle_softirqs+0xaec/0xc60 [ 52.027284][ C0] softirqs last disabled at (377219): [] run_ksoftirqd+0x7c/0x2ac [ 52.028809][ C0] ---[ end trace 0000000000000000 ]---