Warning: Permanently added '10.128.0.237' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs syzkaller login: [ 34.111048][ T4324] cgroup: Unknown subsys name 'net' [ 34.348680][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.624544][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.818215][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.819552][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.821519][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.828419][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.829762][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.831447][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.135143][ T4372] chnl_net:caif_netlink_parms(): no params data found [ 39.153316][ T4372] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.154513][ T4372] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.156700][ T4372] device bridge_slave_0 entered promiscuous mode [ 39.159051][ T4372] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.160229][ T4372] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.161618][ T4372] device bridge_slave_1 entered promiscuous mode [ 39.169334][ T4372] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.172108][ T4372] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.179823][ T4372] team0: Port device team_slave_0 added [ 39.181503][ T4372] team0: Port device team_slave_1 added [ 39.188115][ T4372] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.189255][ T4372] 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. [ 39.192880][ T4372] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.195536][ T4372] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.196775][ T4372] 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. [ 39.200463][ T4372] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.236871][ T4372] device hsr_slave_0 entered promiscuous mode [ 39.276097][ T4372] device hsr_slave_1 entered promiscuous mode [ 39.370991][ T4372] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.407558][ T4372] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.446962][ T4372] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.486980][ T4372] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.554297][ T4372] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.555461][ T4372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.556808][ T4372] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.557894][ T4372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.574619][ T4372] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.579247][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.581401][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.583174][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.589474][ T4372] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.592826][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.594436][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.595670][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.609894][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.611481][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.612534][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.618844][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.620610][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.623628][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.628165][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.631443][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.633949][ T4372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.691895][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.693154][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.698142][ T4372] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.703846][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.717905][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.719752][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.721303][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.723711][ T4372] device veth0_vlan entered promiscuous mode [ 39.728041][ T4372] device veth1_vlan entered promiscuous mode [ 39.734458][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.736437][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.738731][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.752170][ T4372] device veth0_macvtap entered promiscuous mode [ 39.754649][ T4372] device veth1_macvtap entered promiscuous mode [ 39.760526][ T4372] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.761834][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.763873][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.768604][ T4372] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.769964][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.772611][ T4372] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.773979][ T4372] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.775320][ T4372] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.776968][ T4372] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.013159][ T4418] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.014658][ T4418] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.016477][ T4418] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.018046][ T4418] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.019330][ T4418] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.020468][ T4418] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:40 executed programs: 0 [ 40.893705][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.895289][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.897228][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.898788][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.900167][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.901482][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.273633][ T4432] chnl_net:caif_netlink_parms(): no params data found [ 41.291559][ T4432] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.292810][ T4432] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.294249][ T4432] device bridge_slave_0 entered promiscuous mode [ 41.297079][ T4432] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.298213][ T4432] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.299662][ T4432] device bridge_slave_1 entered promiscuous mode [ 41.309809][ T4432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.312318][ T4432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.320413][ T4432] team0: Port device team_slave_0 added [ 41.322377][ T4432] team0: Port device team_slave_1 added [ 41.329811][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.331061][ T4432] 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. [ 41.334823][ T4432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.338719][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.339813][ T4432] 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. [ 41.343361][ T4432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.387985][ T4432] device hsr_slave_0 entered promiscuous mode [ 41.436051][ T4432] device hsr_slave_1 entered promiscuous mode [ 41.477068][ T4432] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.478334][ T4432] Cannot create hsr debugfs directory [ 41.807047][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.956134][ T4418] Bluetooth: hci0: command 0x0409 tx timeout [ 45.016934][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.035836][ T4418] Bluetooth: hci0: command 0x041b tx timeout [ 45.336578][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.437764][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.483196][ T4432] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.578217][ T4432] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.627086][ T4432] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.738140][ T4432] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.866013][ T4432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.870093][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.871704][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.874626][ T4432] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.877812][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.879447][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.880863][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.881932][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.883404][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.886908][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.888523][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.889902][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.890935][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.940315][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.943143][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.946060][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.947758][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.949279][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.952608][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.954590][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.958353][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.959932][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.962337][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.963760][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.966417][ T4432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.032165][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.033475][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.037351][ T4432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.043168][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.044855][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.049585][ T9] device hsr_slave_0 left promiscuous mode [ 47.086098][ T9] device hsr_slave_1 left promiscuous mode [ 47.116236][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.165860][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.167029][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.168710][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.169844][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.171150][ T9] device bridge_slave_1 left promiscuous mode [ 47.172549][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.246493][ T9] device bridge_slave_0 left promiscuous mode [ 47.247599][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.385997][ T9] device veth1_macvtap left promiscuous mode [ 47.387078][ T9] device veth0_macvtap left promiscuous mode [ 47.388126][ T9] device veth1_vlan left promiscuous mode [ 47.389037][ T9] device veth0_vlan left promiscuous mode [ 49.196195][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.217095][ T9] team0 (unregistering): Port device team_slave_1 removed [ 49.377342][ T9] team0 (unregistering): Port device team_slave_0 removed [ 49.586447][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.827591][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.368101][ T9] bond0 (unregistering): Released all slaves [ 52.604210][ T4432] device veth0_vlan entered promiscuous mode [ 52.606673][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.608501][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.609983][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.611351][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.615107][ T4432] device veth1_vlan entered promiscuous mode [ 52.621550][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.623160][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.625674][ T4432] device veth0_macvtap entered promiscuous mode [ 52.628090][ T4432] device veth1_macvtap entered promiscuous mode [ 52.633739][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.634952][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.640406][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.641794][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.643307][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.647061][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.648266][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.649807][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.652068][ T4432] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.653351][ T4432] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.654642][ T4432] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.656089][ T4432] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.675973][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.677321][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.679436][ T4363] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.686566][ T4363] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.687801][ T4363] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.689317][ T4511] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.842374][ T4514] loop0: detected capacity change from 0 to 32768 [ 52.848886][ T4514] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.850206][ T4514] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.860356][ T4514] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.862543][ T4380] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.863630][ T4380] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.883965][ T4380] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 20ms [ 52.885572][ T4380] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.886883][ T4514] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.984774][ T4432] ------------[ cut here ]------------ [ 52.985742][ T4432] WARNING: CPU: 0 PID: 4432 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 52.987306][ T4432] Modules linked in: [ 52.987855][ T4432] CPU: 0 PID: 4432 Comm: syz-executor Not tainted syzkaller #0 [ 52.988925][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.990339][ T4432] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.991477][ T4432] pc : __folio_mark_dirty+0x8a0/0xce0 [ 52.992228][ T4432] lr : __folio_mark_dirty+0x8a0/0xce0 [ 52.993032][ T4432] sp : ffff800020ab76e0 [ 52.993637][ T4432] x29: ffff800020ab7700 x28: 1fffff800066de00 x27: dfff800000000000 [ 52.994933][ T4432] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 52.996126][ T4432] x23: 0000000000000000 x22: fffffc000336f008 x21: 1fffe00018093932 [ 52.997375][ T4432] x20: ffff0000cca52250 x19: fffffc000336f000 x18: ffff800011a6bd40 [ 52.998500][ T4432] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 52.999712][ T4432] x14: ffff0000d6d42658 x13: ffff0000d6d426d0 x12: 0000000000ff0100 [ 53.000780][ T4432] x11: ff008000086fe704 x10: 0000000000000000 x9 : ffff8000086fe704 [ 53.001940][ T4432] x8 : ffff0000d6d41bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.003122][ T4432] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a49628 [ 53.004225][ T4432] x2 : ffff0000ce9ca060 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.005367][ T4432] Call trace: [ 53.005835][ T4432] __folio_mark_dirty+0x8a0/0xce0 [ 53.006581][ T4432] mark_buffer_dirty+0x2b8/0x5cc [ 53.007320][ T4432] gfs2_unpin+0x120/0x914 [ 53.007927][ T4432] buf_lo_after_commit+0x140/0x188 [ 53.008728][ T4432] gfs2_log_flush+0xbc8/0x1aa0 [ 53.009520][ T4432] gfs2_kill_sb+0x5c/0xd4 [ 53.010215][ T4432] deactivate_locked_super+0xac/0x124 [ 53.010994][ T4432] deactivate_super+0xe8/0x108 [ 53.011659][ T4432] cleanup_mnt+0x37c/0x404 [ 53.012277][ T4432] __cleanup_mnt+0x20/0x30 [ 53.012887][ T4432] task_work_run+0x1ec/0x270 [ 53.013531][ T4432] do_notify_resume+0x2038/0x2b28 [ 53.014207][ T4432] el0_svc+0x98/0x138 [ 53.014821][ T4432] el0t_64_sync_handler+0x84/0xf0 [ 53.015606][ T4432] el0t_64_sync+0x18c/0x190 [ 53.016270][ T4432] irq event stamp: 167724 [ 53.016910][ T4432] hardirqs last enabled at (167723): [] folio_memcg_lock+0xe8/0x1fc [ 53.018253][ T4432] hardirqs last disabled at (167724): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 53.019684][ T4432] softirqs last enabled at (167406): [] local_bh_enable+0x10/0x34 [ 53.021078][ T4432] softirqs last disabled at (167404): [] local_bh_disable+0x10/0x34 [ 53.022459][ T4432] ---[ end trace 0000000000000000 ]--- [ 53.049972][ T4432] ------------[ cut here ]------------ [ 53.050805][ T4432] WARNING: CPU: 1 PID: 4432 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 53.052287][ T4432] Modules linked in: [ 53.052835][ T4432] CPU: 1 PID: 4432 Comm: syz-executor Tainted: G W syzkaller #0 [ 53.054132][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.055563][ T4432] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.056701][ T4432] pc : __folio_start_writeback+0x868/0xa68 [ 53.057555][ T4432] lr : __folio_start_writeback+0x868/0xa68 [ 53.058442][ T4432] sp : ffff800020ab7180 [ 53.059039][ T4432] x29: ffff800020ab7260 x28: dfff800000000000 x27: 0000000000000000 [ 53.060283][ T4432] x26: ffff700004156e38 x25: 0000000000000000 x24: ffff0000cca52250 [ 53.061468][ T4432] x23: ffff800020ab71e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 53.062597][ T4432] x20: fffffc000336f008 x19: fffffc000336f000 x18: ffff800011a6bd40 [ 53.063757][ T4432] x17: ffff800018186000 x16: ffff8000082d35d8 x15: 0000000000000000 [ 53.064887][ T4432] x14: 0000000000000406 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 53.066030][ T4432] x11: ff00800008700c1c x10: 0000000000000000 x9 : ffff800008700c1c [ 53.067348][ T4432] x8 : ffff0000d6d41bc0 x7 : ffff80000870069c x6 : 0000000000000000 [ 53.068481][ T4432] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087006dc [ 53.069649][ T4432] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.070814][ T4432] Call trace: [ 53.071301][ T4432] __folio_start_writeback+0x868/0xa68 [ 53.072101][ T4432] set_page_writeback+0x5c/0x7c [ 53.072859][ T4432] gfs2_aspace_writepage+0x520/0x6e8 [ 53.073660][ T4432] __gfs2_writepage+0x70/0x18c [ 53.074376][ T4432] write_cache_pages+0x73c/0xdd4 [ 53.075107][ T4432] gfs2_ail1_flush+0x7c0/0xa00 [ 53.075823][ T4432] empty_ail1_list+0x110/0x1ec [ 53.076612][ T4432] gfs2_log_flush+0x1258/0x1aa0 [ 53.077318][ T4432] gfs2_kill_sb+0x5c/0xd4 [ 53.077988][ T4432] deactivate_locked_super+0xac/0x124 [ 53.078795][ T4432] deactivate_super+0xe8/0x108 [ 53.079499][ T4432] cleanup_mnt+0x37c/0x404 [ 53.080145][ T4432] __cleanup_mnt+0x20/0x30 [ 53.080826][ T4432] task_work_run+0x1ec/0x270 [ 53.081485][ T4432] do_notify_resume+0x2038/0x2b28 [ 53.082168][ T4432] el0_svc+0x98/0x138 [ 53.082768][ T4432] el0t_64_sync_handler+0x84/0xf0 [ 53.083499][ T4432] el0t_64_sync+0x18c/0x190 [ 53.084122][ T4432] irq event stamp: 167818 [ 53.084745][ T4432] hardirqs last enabled at (167817): [] folio_memcg_lock+0xe8/0x1fc [ 53.086128][ T4432] hardirqs last disabled at (167818): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 53.087474][ T4432] softirqs last enabled at (167794): [] handle_softirqs+0xaf8/0xc6c [ 53.088875][ T4432] softirqs last disabled at (167727): [] __do_softirq+0x14/0x20 [ 53.090269][ T4432] ---[ end trace 0000000000000000 ]--- [ 53.092762][ C1] ------------[ cut here ]------------ [ 53.093740][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 53.095199][ C1] Modules linked in: [ 53.095708][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 53.096996][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.098459][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.099594][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 53.100390][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 53.101221][ C1] sp : ffff80001c8c7960 [ 53.101824][ C1] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 53.103023][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff800065f9f0 [ 53.104187][ C1] x23: 0000000000000001 x22: ffff0000cca502a0 x21: ffff0000cca502a8 [ 53.105324][ C1] x20: 0000000000000001 x19: fffffc00032fcf80 x18: ffff800011a6bd40 [ 53.106457][ C1] x17: 1fffe00033eeb97e x16: ffff8000082d35d8 x15: 0000000000000000 [ 53.107612][ C1] x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 53.108733][ C1] x11: ff008000087001a8 x10: 0000000000000000 x9 : ffff8000087001a8 [ 53.109910][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.111119][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 53.112275][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.113458][ C1] Call trace: [ 53.113984][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 53.114760][ C1] folio_end_writeback+0x12c/0x41c [ 53.115457][ C1] end_page_writeback+0x58/0x74 [ 53.116125][ C1] end_buffer_async_write+0x32c/0x508 [ 53.116912][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 53.117668][ C1] bio_endio+0x770/0x7b4 [ 53.118219][ C1] blk_update_request+0x49c/0xbec [ 53.118981][ C1] blk_mq_end_request+0x54/0x88 [ 53.119702][ C1] lo_complete_rq+0x1ec/0x250 [ 53.120404][ C1] blk_done_softirq+0x11c/0x168 [ 53.121102][ C1] handle_softirqs+0x318/0xc6c [ 53.121788][ C1] run_ksoftirqd+0x7c/0x2b0 [ 53.122418][ C1] smpboot_thread_fn+0x4b0/0x964 [ 53.123109][ C1] kthread+0x250/0x2d8 [ 53.123666][ C1] ret_from_fork+0x10/0x20 [ 53.124323][ C1] irq event stamp: 420139 [ 53.124960][ C1] hardirqs last enabled at (420138): [] folio_memcg_lock+0xe8/0x1fc [ 53.126355][ C1] hardirqs last disabled at (420139): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 53.127816][ C1] softirqs last enabled at (420128): [] handle_softirqs+0xaf8/0xc6c [ 53.129155][ C1] softirqs last disabled at (420133): [] run_ksoftirqd+0x7c/0x2b0 [ 53.130507][ C1] ---[ end trace 0000000000000000 ]---