Warning: Permanently added '10.128.0.235' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs syzkaller login: [ 28.592683][ T4325] cgroup: Unknown subsys name 'net' [ 28.862514][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.157847][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 33.555719][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.557281][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.559158][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 33.569278][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.570874][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.572574][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 33.642200][ T4361] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.643837][ T4363] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.645193][ T4363] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.646745][ T4363] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.648079][ T4363] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.649247][ T4363] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 33.868452][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 33.885749][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.886812][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.888336][ T4371] device bridge_slave_0 entered promiscuous mode [ 33.892434][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.893626][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.894989][ T4371] device bridge_slave_1 entered promiscuous mode [ 33.902247][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.904810][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.911785][ T4371] team0: Port device team_slave_0 added [ 33.915057][ T4371] team0: Port device team_slave_1 added [ 33.921017][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.922060][ T4371] 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. [ 33.925772][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.928510][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.929615][ T4371] 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. [ 33.933852][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.971146][ T4371] device hsr_slave_0 entered promiscuous mode [ 34.010152][ T4371] device hsr_slave_1 entered promiscuous mode [ 34.084016][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 34.141304][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 34.191085][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 34.243297][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 34.358604][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.359732][ T4371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.361185][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.362316][ T4371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.380296][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.384401][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.386830][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.391460][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.395937][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.399147][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.401205][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.402354][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.405590][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.407083][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.408339][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.415486][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.417165][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 34.420952][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.424465][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.427216][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.429555][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 34.484895][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 34.486217][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 34.490275][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.496443][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 34.503439][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 34.506104][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 34.507551][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 34.509650][ T4371] device veth0_vlan entered promiscuous mode [ 34.523499][ T4371] device veth1_vlan entered promiscuous mode [ 34.532037][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 34.533467][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 34.534974][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.537297][ T4371] device veth0_macvtap entered promiscuous mode [ 34.539549][ T4371] device veth1_macvtap entered promiscuous mode [ 34.545340][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.546529][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.548470][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 34.552510][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.553925][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 34.556413][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.557841][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.559173][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.562023][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:35 executed programs: 0 [ 35.202116][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.203578][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.204916][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.206308][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.207601][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 35.208866][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.266724][ T4429] chnl_net:caif_netlink_parms(): no params data found [ 35.283943][ T4429] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.284968][ T4429] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.286380][ T4429] device bridge_slave_0 entered promiscuous mode [ 35.288285][ T4429] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.289405][ T4429] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.292050][ T4429] device bridge_slave_1 entered promiscuous mode [ 35.298576][ T4429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.593829][ T4429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.605697][ T4429] team0: Port device team_slave_0 added [ 35.607365][ T4429] team0: Port device team_slave_1 added [ 35.614338][ T4429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.615395][ T4429] 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. [ 35.619364][ T4429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.621893][ T4429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.623012][ T4429] 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. [ 35.626816][ T4429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.741044][ T4429] device hsr_slave_0 entered promiscuous mode [ 35.780834][ T4429] device hsr_slave_1 entered promiscuous mode [ 35.820038][ T4429] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 35.821286][ T4429] Cannot create hsr debugfs directory [ 36.251112][ T4429] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.280304][ T4363] Bluetooth: hci0: command 0x0409 tx timeout [ 39.360311][ T4363] Bluetooth: hci0: command 0x041b tx timeout [ 39.471085][ T4429] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.250877][ T4429] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.351952][ T4429] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.582071][ T4429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.711833][ T4429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.751027][ T4429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.832181][ T4429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.890906][ T4429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.964480][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.966348][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.968881][ T4429] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.971463][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.973085][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.974555][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.975664][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.977337][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.979743][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.981534][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.983006][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.984097][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.986878][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.989382][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.992684][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.994272][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.996243][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.998608][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.001265][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.004074][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.005615][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.008079][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.009540][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.062943][ T4429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.104328][ T249] device hsr_slave_0 left promiscuous mode [ 41.160135][ T249] device hsr_slave_1 left promiscuous mode [ 41.250040][ T249] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.251305][ T249] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.253157][ T249] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.254309][ T249] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.255610][ T249] device bridge_slave_1 left promiscuous mode [ 41.257084][ T249] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.300641][ T249] device bridge_slave_0 left promiscuous mode [ 41.301822][ T249] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.430217][ T249] device veth1_macvtap left promiscuous mode [ 41.431272][ T249] device veth0_macvtap left promiscuous mode [ 41.432216][ T249] device veth1_vlan left promiscuous mode [ 41.433106][ T249] device veth0_vlan left promiscuous mode [ 41.439963][ T4363] Bluetooth: hci0: command 0x040f tx timeout [ 43.251197][ T249] team0 (unregistering): Port device team_slave_1 removed [ 43.450591][ T249] team0 (unregistering): Port device team_slave_0 removed [ 43.520246][ T4363] Bluetooth: hci0: command 0x0419 tx timeout [ 43.620584][ T249] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 43.820366][ T249] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 46.371816][ T249] bond0 (unregistering): Released all slaves [ 46.616024][ T4429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.625454][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.626730][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.627945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.629429][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.636109][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.637649][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.639825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.641648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.643834][ T4429] device veth0_vlan entered promiscuous mode [ 46.647208][ T4429] device veth1_vlan entered promiscuous mode [ 46.655600][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.657089][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.658558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.660710][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.662910][ T4429] device veth0_macvtap entered promiscuous mode [ 46.665066][ T4429] device veth1_macvtap entered promiscuous mode [ 46.669516][ T4429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.672583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.674092][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.675474][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.676902][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.679631][ T4429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.682132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.683726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.685556][ T4429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.686894][ T4429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.688154][ T4429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.689420][ T4429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.707575][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.708870][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.712063][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.715314][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.719504][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.722104][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 46.869333][ T4467] loop0: detected capacity change from 0 to 32768 [ 46.874634][ T4467] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 46.875865][ T4467] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 46.885321][ T4467] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 46.887778][ T4396] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 46.888821][ T4396] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 46.910060][ T4396] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 21ms [ 46.911855][ T4396] gfs2: fsid=syz:syz.0: jid=0: Done [ 46.912848][ T4467] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.031916][ T4429] ------------[ cut here ]------------ [ 47.032930][ T4429] WARNING: CPU: 0 PID: 4429 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 47.034436][ T4429] Modules linked in: [ 47.035040][ T4429] CPU: 0 PID: 4429 Comm: syz-executor Not tainted syzkaller #0 [ 47.036144][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.037530][ T4429] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.038636][ T4429] pc : __folio_mark_dirty+0x8a0/0xce0 [ 47.039436][ T4429] lr : __folio_mark_dirty+0x8a0/0xce0 [ 47.040235][ T4429] sp : ffff800020bb76e0 [ 47.040783][ T4429] x29: ffff800020bb7700 x28: 1fffff80006de8f0 x27: dfff800000000000 [ 47.041976][ T4429] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 47.043233][ T4429] x23: 0000000000000000 x22: fffffc00036f4788 x21: 1fffe000180b17d2 [ 47.044451][ T4429] x20: ffff0000caea2250 x19: fffffc00036f4780 x18: ffff800011abbcc0 [ 47.045676][ T4429] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: ffff800017cda000 [ 47.046858][ T4429] x14: ffff0000de4ec218 x13: ffff0000de4ec290 x12: 0000000000ff0100 [ 47.048040][ T4429] x11: ff008000086fbd44 x10: 0000000000000000 x9 : ffff8000086fbd44 [ 47.049192][ T4429] x8 : ffff0000de4eb780 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.050277][ T4429] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a46b60 [ 47.051417][ T4429] x2 : ffff0000ce768060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.052507][ T4429] Call trace: [ 47.052945][ T4429] __folio_mark_dirty+0x8a0/0xce0 [ 47.053612][ T4429] mark_buffer_dirty+0x2b8/0x5cc [ 47.054356][ T4429] gfs2_unpin+0x120/0x914 [ 47.055014][ T4429] buf_lo_after_commit+0x140/0x188 [ 47.055798][ T4429] gfs2_log_flush+0xbc8/0x1aa0 [ 47.056498][ T4429] gfs2_kill_sb+0x5c/0xd4 [ 47.057174][ T4429] deactivate_locked_super+0xac/0x124 [ 47.057999][ T4429] deactivate_super+0xe8/0x108 [ 47.058684][ T4429] cleanup_mnt+0x37c/0x404 [ 47.059317][ T4429] __cleanup_mnt+0x20/0x30 [ 47.059981][ T4429] task_work_run+0x1ec/0x270 [ 47.060662][ T4429] do_notify_resume+0x2038/0x2b28 [ 47.061379][ T4429] el0_svc+0x98/0x138 [ 47.061976][ T4429] el0t_64_sync_handler+0x84/0xf0 [ 47.062669][ T4429] el0t_64_sync+0x18c/0x190 [ 47.063299][ T4429] irq event stamp: 166652 [ 47.063885][ T4429] hardirqs last enabled at (166651): [] folio_memcg_lock+0xe8/0x1fc [ 47.065247][ T4429] hardirqs last disabled at (166652): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.066705][ T4429] softirqs last enabled at (166346): [] local_bh_enable+0x10/0x34 [ 47.068073][ T4429] softirqs last disabled at (166344): [] local_bh_disable+0x10/0x34 [ 47.069559][ T4429] ---[ end trace 0000000000000000 ]--- [ 47.073814][ T4429] ------------[ cut here ]------------ [ 47.074665][ T4429] WARNING: CPU: 0 PID: 4429 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 47.076405][ T4429] Modules linked in: [ 47.077011][ T4429] CPU: 0 PID: 4429 Comm: syz-executor Tainted: G W syzkaller #0 [ 47.078348][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.079822][ T4429] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.081002][ T4429] pc : __folio_start_writeback+0x868/0xa68 [ 47.081903][ T4429] lr : __folio_start_writeback+0x868/0xa68 [ 47.082832][ T4429] sp : ffff800020bb7180 [ 47.083468][ T4429] x29: ffff800020bb7260 x28: dfff800000000000 x27: 0000000000000000 [ 47.084727][ T4429] x26: ffff700004176e38 x25: 0000000000000000 x24: ffff0000caea2250 [ 47.085931][ T4429] x23: ffff800020bb71e0 x22: ffff0000c058bce8 x21: 0000000000000001 [ 47.087076][ T4429] x20: fffffc00036f4788 x19: fffffc00036f4780 x18: ffff800011abbcc0 [ 47.088254][ T4429] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: 0000000000000000 [ 47.089476][ T4429] x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 47.090613][ T4429] x11: ff008000086fe25c x10: 0000000000000000 x9 : ffff8000086fe25c [ 47.091711][ T4429] x8 : ffff0000de4eb780 x7 : ffff8000086fdcdc x6 : 0000000000000000 [ 47.092842][ T4429] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fdd1c [ 47.094021][ T4429] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.095211][ T4429] Call trace: [ 47.095711][ T4429] __folio_start_writeback+0x868/0xa68 [ 47.096446][ T4429] set_page_writeback+0x5c/0x7c [ 47.097107][ T4429] gfs2_aspace_writepage+0x520/0x6e8 [ 47.097891][ T4429] __gfs2_writepage+0x70/0x18c [ 47.098638][ T4429] write_cache_pages+0x73c/0xdd4 [ 47.099391][ T4429] gfs2_ail1_flush+0x7c0/0xa00 [ 47.100082][ T4429] empty_ail1_list+0x110/0x1ec [ 47.100802][ T4429] gfs2_log_flush+0x1258/0x1aa0 [ 47.101507][ T4429] gfs2_kill_sb+0x5c/0xd4 [ 47.102130][ T4429] deactivate_locked_super+0xac/0x124 [ 47.102941][ T4429] deactivate_super+0xe8/0x108 [ 47.103614][ T4429] cleanup_mnt+0x37c/0x404 [ 47.104240][ T4429] __cleanup_mnt+0x20/0x30 [ 47.104874][ T4429] task_work_run+0x1ec/0x270 [ 47.105511][ T4429] do_notify_resume+0x2038/0x2b28 [ 47.106202][ T4429] el0_svc+0x98/0x138 [ 47.106799][ T4429] el0t_64_sync_handler+0x84/0xf0 [ 47.107514][ T4429] el0t_64_sync+0x18c/0x190 [ 47.108188][ T4429] irq event stamp: 166798 [ 47.108845][ T4429] hardirqs last enabled at (166797): [] folio_memcg_lock+0xe8/0x1fc [ 47.110217][ T4429] hardirqs last disabled at (166798): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.111629][ T4429] softirqs last enabled at (166776): [] handle_softirqs+0xaf8/0xc6c [ 47.112998][ T4429] softirqs last disabled at (166655): [] __do_softirq+0x14/0x20 [ 47.114293][ T4429] ---[ end trace 0000000000000000 ]--- [ 47.117172][ C1] ------------[ cut here ]------------ [ 47.118053][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 47.119676][ C1] Modules linked in: [ 47.120226][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 47.121570][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.123119][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.124226][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 47.125041][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 47.125854][ C1] sp : ffff80001c937960 [ 47.126558][ C1] x29: ffff80001c937980 x28: dfff800000000000 x27: ffff0000c058bce8 [ 47.127966][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006aa240 [ 47.129227][ C1] x23: 0000000000000001 x22: ffff0000caea02a0 x21: ffff0000caea02a8 [ 47.130499][ C1] x20: 0000000000000001 x19: fffffc0003551200 x18: ffff800011abbcc0 [ 47.131705][ C1] x17: 1fffe00033edbb7e x16: ffff8000082d10fc x15: 0000000000000000 [ 47.132869][ C1] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 47.134060][ C1] x11: ff008000086fd7e8 x10: 0000000000000000 x9 : ffff8000086fd7e8 [ 47.135212][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.136362][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.137478][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.138576][ C1] Call trace: [ 47.139088][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 47.139928][ C1] folio_end_writeback+0x12c/0x41c [ 47.140649][ C1] end_page_writeback+0x58/0x74 [ 47.141414][ C1] end_buffer_async_write+0x32c/0x508 [ 47.142263][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 47.142992][ C1] bio_endio+0x770/0x7b4 [ 47.143612][ C1] blk_update_request+0x49c/0xbec [ 47.144338][ C1] blk_mq_end_request+0x54/0x88 [ 47.145121][ C1] lo_complete_rq+0x1ec/0x250 [ 47.145771][ C1] blk_done_softirq+0x11c/0x168 [ 47.146428][ C1] handle_softirqs+0x318/0xc6c [ 47.147081][ C1] run_ksoftirqd+0x7c/0x2a0 [ 47.147926][ C1] smpboot_thread_fn+0x4b0/0x964 [ 47.148654][ C1] kthread+0x250/0x2d8 [ 47.149205][ C1] ret_from_fork+0x10/0x20 [ 47.149861][ C1] irq event stamp: 432181 [ 47.150447][ C1] hardirqs last enabled at (432180): [] folio_memcg_lock+0xe8/0x1fc [ 47.151914][ C1] hardirqs last disabled at (432181): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.153439][ C1] softirqs last enabled at (432170): [] handle_softirqs+0xaf8/0xc6c [ 47.154786][ C1] softirqs last disabled at (432175): [] run_ksoftirqd+0x7c/0x2a0 [ 47.156120][ C1] ---[ end trace 0000000000000000 ]---