Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts. 1970/01/01 00:00:25 parsed 1 programs syzkaller login: [ 26.221410][ T4325] cgroup: Unknown subsys name 'net' [ 26.492412][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 26.754985][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 29.617191][ T4350] chnl_net:caif_netlink_parms(): no params data found [ 29.637224][ T4350] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.638472][ T4350] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.640234][ T4350] device bridge_slave_0 entered promiscuous mode [ 29.642863][ T4350] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.643984][ T4350] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.645491][ T4350] device bridge_slave_1 entered promiscuous mode [ 29.652419][ T4350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 29.654833][ T4350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 29.663670][ T4350] team0: Port device team_slave_0 added [ 29.665471][ T4350] team0: Port device team_slave_1 added [ 29.671047][ T4350] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 29.672094][ T4350] 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. [ 29.675690][ T4350] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 29.678178][ T4350] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 29.679119][ T4350] 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. [ 29.683123][ T4350] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 29.751866][ T4350] device hsr_slave_0 entered promiscuous mode [ 29.790164][ T4350] device hsr_slave_1 entered promiscuous mode [ 29.876519][ T4350] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 29.921565][ T4350] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 29.952927][ T4350] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 30.001294][ T4350] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 30.048976][ T4350] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.050100][ T4350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.051400][ T4350] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.052514][ T4350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.087208][ T4350] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.091366][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.101103][ T1577] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.102903][ T1577] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.104730][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 30.112864][ T4350] 8021q: adding VLAN 0 to HW filter on device team0 [ 30.116147][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.117772][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.118878][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.124214][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.126517][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.127670][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.134425][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.136199][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 30.139189][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.143120][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 30.145766][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 30.148281][ T4350] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 30.214611][ T4350] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 30.216463][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 30.217729][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 30.224579][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 30.232391][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 30.234259][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 30.235564][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 30.237936][ T4350] device veth0_vlan entered promiscuous mode [ 30.241277][ T4350] device veth1_vlan entered promiscuous mode [ 30.248213][ T4350] device veth0_macvtap entered promiscuous mode [ 30.252371][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 30.253759][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 30.255421][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.256897][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 30.258569][ T4350] device veth1_macvtap entered promiscuous mode [ 30.265916][ T4350] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 30.267118][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.270387][ T4350] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 30.272600][ T4350] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.273982][ T4350] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.275382][ T4350] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.276712][ T4350] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.278801][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.642465][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 30.934983][ T4379] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 30.936547][ T4379] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 30.937824][ T4379] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 30.939380][ T4379] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 30.941338][ T4380] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 30.942599][ T4380] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 31.359618][ T1573] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.361033][ T1573] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.370850][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 31.373214][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.374458][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.375943][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:31 executed programs: 0 [ 31.559598][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 31.561071][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 31.562708][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 31.564302][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 31.565648][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 31.566845][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 31.609105][ T4409] chnl_net:caif_netlink_parms(): no params data found [ 31.627893][ T4409] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.629079][ T4409] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.630932][ T4409] device bridge_slave_0 entered promiscuous mode [ 31.633047][ T4409] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.634180][ T4409] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.635724][ T4409] device bridge_slave_1 entered promiscuous mode [ 31.641961][ T4409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.644946][ T4409] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.652956][ T4409] team0: Port device team_slave_0 added [ 31.654656][ T4409] team0: Port device team_slave_1 added [ 31.659765][ T4409] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.661039][ T4409] 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. [ 31.664807][ T4409] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.667157][ T4409] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.668242][ T4409] 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. [ 31.672329][ T4409] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.731310][ T4409] device hsr_slave_0 entered promiscuous mode [ 31.770288][ T4409] device hsr_slave_1 entered promiscuous mode [ 31.810018][ T4409] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 31.811311][ T4409] Cannot create hsr debugfs directory [ 33.351067][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 33.610455][ T4380] Bluetooth: hci0: command 0x0409 tx timeout [ 35.690586][ T4380] Bluetooth: hci0: command 0x041b tx timeout [ 35.761219][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.852580][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.014117][ T4409] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.104623][ T4409] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.196377][ T4409] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.231121][ T4409] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.333318][ T4409] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.336932][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.338414][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.342707][ T4409] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.345078][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.346703][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.348151][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.349269][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.351257][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.414146][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.415668][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.417682][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.418659][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.422884][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 37.425561][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 37.428442][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 37.430651][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.432395][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.435063][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 37.436756][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.439206][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.441237][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.445916][ T9] device hsr_slave_0 left promiscuous mode [ 37.470109][ T9] device hsr_slave_1 left promiscuous mode [ 37.550055][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 37.551261][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 37.553007][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 37.554149][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 37.555527][ T9] device bridge_slave_1 left promiscuous mode [ 37.556779][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.590705][ T9] device bridge_slave_0 left promiscuous mode [ 37.592001][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.730178][ T9] device veth1_macvtap left promiscuous mode [ 37.731264][ T9] device veth0_macvtap left promiscuous mode [ 37.732245][ T9] device veth1_vlan left promiscuous mode [ 37.733198][ T9] device veth0_vlan left promiscuous mode [ 37.770067][ T4380] Bluetooth: hci0: command 0x040f tx timeout [ 39.859951][ T4380] Bluetooth: hci0: command 0x0419 tx timeout [ 39.931290][ T9] team0 (unregistering): Port device team_slave_1 removed [ 40.072006][ T9] team0 (unregistering): Port device team_slave_0 removed [ 40.290547][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 40.521108][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.201268][ T9] bond0 (unregistering): Released all slaves [ 42.516762][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.518343][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.520851][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.575589][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.576830][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.580409][ T4409] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.585792][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.587417][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.592923][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.594521][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.595905][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.597286][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.599372][ T4409] device veth0_vlan entered promiscuous mode [ 42.603056][ T4409] device veth1_vlan entered promiscuous mode [ 42.609480][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.610947][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.612267][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.613856][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.616128][ T4409] device veth0_macvtap entered promiscuous mode [ 42.618334][ T4409] device veth1_macvtap entered promiscuous mode [ 42.625296][ T4409] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.626429][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.628074][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.629457][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.631737][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.634440][ T4409] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.635538][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.637073][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.639414][ T4409] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.641055][ T4409] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.642315][ T4409] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.643654][ T4409] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.665285][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.666536][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.667782][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.681847][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.683074][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.684288][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.825781][ T4495] loop0: detected capacity change from 0 to 32768 [ 42.833606][ T4495] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.834915][ T4495] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.846878][ T4495] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.849820][ T1965] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.851060][ T1965] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.865543][ T1965] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 42.867764][ T1965] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.868835][ T4495] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.923285][ T4409] ------------[ cut here ]------------ [ 42.924265][ T4409] WARNING: CPU: 1 PID: 4409 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 42.925797][ T4409] Modules linked in: [ 42.926323][ T4409] CPU: 1 PID: 4409 Comm: syz-executor Not tainted syzkaller #0 [ 42.927389][ T4409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.928845][ T4409] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.929933][ T4409] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 42.930684][ T4409] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 42.931443][ T4409] sp : ffff800020c276e0 [ 42.932084][ T4409] x29: ffff800020c27700 x28: 1fffff80006856a0 x27: dfff800000000000 [ 42.933259][ T4409] x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 [ 42.934356][ T4409] x23: 0000000000000000 x22: fffffc000342b508 x21: 1fffe00018092932 [ 42.935561][ T4409] x20: ffff0000d21ae250 x19: fffffc000342b500 x18: ffff800011b8bf60 [ 42.936762][ T4409] x17: ffff800018349000 x16: ffff8000082d7e60 x15: ffff800017e2a000 [ 42.937978][ T4409] x14: 0000000000000001 x13: 1fffe00018092932 x12: 0000000000ff0100 [ 42.939193][ T4409] x11: ff00800008708d64 x10: 0000000000000000 x9 : ffff800008708d64 [ 42.940379][ T4409] x8 : ffff0000ca263780 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.941584][ T4409] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a56c94 [ 42.942733][ T4409] x2 : ffff0000cec80060 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.943937][ T4409] Call trace: [ 42.944405][ T4409] __folio_mark_dirty+0x8a0/0xcd8 [ 42.945178][ T4409] mark_buffer_dirty+0x2b8/0x5c0 [ 42.946008][ T4409] gfs2_unpin+0x120/0x8fc [ 42.946664][ T4409] buf_lo_after_commit+0x140/0x188 [ 42.947414][ T4409] gfs2_log_flush+0xc00/0x1b20 [ 42.948138][ T4409] gfs2_kill_sb+0x5c/0xd4 [ 42.948816][ T4409] deactivate_locked_super+0xac/0x120 [ 42.949613][ T4409] deactivate_super+0xe4/0x104 [ 42.950339][ T4409] cleanup_mnt+0x390/0x418 [ 42.950992][ T4409] __cleanup_mnt+0x20/0x30 [ 42.951630][ T4409] task_work_run+0x1ec/0x278 [ 42.952310][ T4409] do_notify_resume+0x1fa0/0x2aa4 [ 42.953046][ T4409] el0_svc+0x98/0x128 [ 42.953671][ T4409] el0t_64_sync_handler+0x84/0xf0 [ 42.954402][ T4409] el0t_64_sync+0x18c/0x190 [ 42.955086][ T4409] irq event stamp: 165554 [ 42.955739][ T4409] hardirqs last enabled at (165553): [] folio_memcg_lock+0xe8/0x1f4 [ 42.957061][ T4409] hardirqs last disabled at (165554): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.958467][ T4409] softirqs last enabled at (165440): [] local_bh_enable+0x10/0x34 [ 42.959854][ T4409] softirqs last disabled at (165438): [] local_bh_disable+0x10/0x34 [ 42.961235][ T4409] ---[ end trace 0000000000000000 ]--- [ 42.970494][ T4409] ------------[ cut here ]------------ [ 42.971404][ T4409] WARNING: CPU: 0 PID: 4409 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 42.973068][ T4409] Modules linked in: [ 42.973626][ T4409] CPU: 0 PID: 4409 Comm: syz-executor Tainted: G W syzkaller #0 [ 42.974896][ T4409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.976311][ T4409] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.977442][ T4409] pc : __folio_start_writeback+0x88c/0xa7c [ 42.978319][ T4409] lr : __folio_start_writeback+0x88c/0xa7c [ 42.979237][ T4409] sp : ffff800020c27180 [ 42.979926][ T4409] x29: ffff800020c27260 x28: dfff800000000000 x27: 0000000000000000 [ 42.981237][ T4409] x26: ffff700004184e38 x25: 0000000000000000 x24: ffff0000d21ae250 [ 42.982442][ T4409] x23: ffff800020c271e0 x22: ffff0000c04947e8 x21: 0000000000000001 [ 42.983573][ T4409] x20: fffffc000342b508 x19: fffffc000342b500 x18: ffff800011b8bf60 [ 42.984812][ T4409] x17: ffff800018349000 x16: ffff8000082d7e60 x15: 0000000000000000 [ 42.985977][ T4409] x14: 0000000000000001 x13: 1fffff80006856a0 x12: 0000000000ff0100 [ 42.987195][ T4409] x11: ff0080000870b270 x10: 0000000000000000 x9 : ffff80000870b270 [ 42.988404][ T4409] x8 : ffff0000ca263780 x7 : ffff80000870acdc x6 : 0000000000000000 [ 42.989594][ T4409] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870ad1c [ 42.990801][ T4409] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.992064][ T4409] Call trace: [ 42.992534][ T4409] __folio_start_writeback+0x88c/0xa7c [ 42.993359][ T4409] set_page_writeback+0x5c/0x7c [ 42.994035][ T4409] gfs2_aspace_writepage+0x514/0x6dc [ 42.994803][ T4409] __gfs2_writepage+0x70/0x184 [ 42.995537][ T4409] write_cache_pages+0x74c/0xde8 [ 42.996278][ T4409] gfs2_ail1_flush+0x7c4/0xa14 [ 42.996987][ T4409] empty_ail1_list+0x130/0x214 [ 42.997694][ T4409] gfs2_log_flush+0x12b4/0x1b20 [ 42.998456][ T4409] gfs2_kill_sb+0x5c/0xd4 [ 42.999053][ T4409] deactivate_locked_super+0xac/0x120 [ 42.999868][ T4409] deactivate_super+0xe4/0x104 [ 43.000590][ T4409] cleanup_mnt+0x390/0x418 [ 43.001237][ T4409] __cleanup_mnt+0x20/0x30 [ 43.001906][ T4409] task_work_run+0x1ec/0x278 [ 43.002541][ T4409] do_notify_resume+0x1fa0/0x2aa4 [ 43.003282][ T4409] el0_svc+0x98/0x128 [ 43.003896][ T4409] el0t_64_sync_handler+0x84/0xf0 [ 43.004670][ T4409] el0t_64_sync+0x18c/0x190 [ 43.005318][ T4409] irq event stamp: 165694 [ 43.005905][ T4409] hardirqs last enabled at (165693): [] folio_memcg_lock+0xe8/0x1f4 [ 43.007228][ T4409] hardirqs last disabled at (165694): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 43.008758][ T4409] softirqs last enabled at (165672): [] handle_softirqs+0xaec/0xc60 [ 43.010216][ T4409] softirqs last disabled at (165557): [] __do_softirq+0x14/0x20 [ 43.011581][ T4409] ---[ end trace 0000000000000000 ]--- [ 43.014350][ C0] ------------[ cut here ]------------ [ 43.015226][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 43.016695][ C0] Modules linked in: [ 43.017253][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 43.018469][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.019832][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.021030][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 43.021826][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 43.022613][ C0] sp : ffff80001ca17970 [ 43.023247][ C0] x29: ffff80001ca17990 x28: dfff800000000000 x27: ffff0000c04947e8 [ 43.024376][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006e2d68 [ 43.025545][ C0] x23: 0000000000000001 x22: ffff0000d21ac2a0 x21: ffff0000d21ac2a8 [ 43.026679][ C0] x20: 0000000000000001 x19: fffffc0003716b40 x18: ffff800011b8bf60 [ 43.027783][ C0] x17: 1fffe00033ea877e x16: ffff8000082d7e60 x15: 0000000000000000 [ 43.028968][ C0] x14: 0000000000000003 x13: 1ffff00003942f20 x12: 0000000000ff0100 [ 43.030157][ C0] x11: ff0080000870a7e8 x10: 0000000000000000 x9 : ffff80000870a7e8 [ 43.031325][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.032544][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 43.033722][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.034823][ C0] Call trace: [ 43.035283][ C0] __folio_end_writeback+0x7d0/0x9cc [ 43.036104][ C0] folio_end_writeback+0x12c/0x410 [ 43.036859][ C0] end_page_writeback+0x58/0x74 [ 43.037574][ C0] end_buffer_async_write+0x32c/0x4f4 [ 43.038440][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 43.039137][ C0] bio_endio+0x750/0x794 [ 43.039769][ C0] blk_update_request+0x49c/0xbec [ 43.040484][ C0] blk_mq_end_request+0x54/0x88 [ 43.041211][ C0] lo_complete_rq+0x1ec/0x250 [ 43.041953][ C0] blk_done_softirq+0x11c/0x168 [ 43.042663][ C0] handle_softirqs+0x318/0xc60 [ 43.043351][ C0] run_ksoftirqd+0x7c/0x2ac [ 43.044047][ C0] smpboot_thread_fn+0x4b0/0x964 [ 43.044779][ C0] kthread+0x250/0x2d8 [ 43.045414][ C0] ret_from_fork+0x10/0x20 [ 43.046056][ C0] irq event stamp: 379861 [ 43.046683][ C0] hardirqs last enabled at (379860): [] folio_memcg_lock+0xe8/0x1f4 [ 43.048063][ C0] hardirqs last disabled at (379861): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 43.049436][ C0] softirqs last enabled at (379850): [] handle_softirqs+0xaec/0xc60 [ 43.050817][ C0] softirqs last disabled at (379855): [] run_ksoftirqd+0x7c/0x2ac [ 43.052163][ C0] ---[ end trace 0000000000000000 ]---