Warning: Permanently added '10.128.1.114' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://45069 [ 32.355724][ T4340] cgroup: Unknown subsys name 'net' [ 32.578802][ T4340] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.851964][ T4340] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.549394][ T4350] chnl_net:caif_netlink_parms(): no params data found [ 37.566047][ T4350] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.567817][ T4350] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.569277][ T4350] device bridge_slave_0 entered promiscuous mode [ 37.571580][ T4350] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.572859][ T4350] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.574290][ T4350] device bridge_slave_1 entered promiscuous mode [ 37.580650][ T4350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.583056][ T4350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.589699][ T4350] team0: Port device team_slave_0 added [ 37.591408][ T4350] team0: Port device team_slave_1 added [ 37.596839][ T4350] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.598053][ 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. [ 37.602194][ T4350] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.604720][ T4350] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.605852][ 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. [ 37.610396][ T4350] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.667294][ T4350] device hsr_slave_0 entered promiscuous mode [ 37.706378][ T4350] device hsr_slave_1 entered promiscuous mode [ 37.779085][ T4350] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.827708][ T4350] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.867742][ T4350] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.908092][ T4350] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.953936][ T4350] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.955167][ T4350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.956587][ T4350] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.957793][ T4350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.974233][ T4350] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.978094][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.980569][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.982655][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.984603][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.991384][ T4350] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.994530][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.996721][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.997893][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.001195][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.002892][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.004039][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.010246][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.011849][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.014822][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.017899][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.020608][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.023192][ T4350] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.074573][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.075993][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.080035][ T4350] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.085497][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.091973][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.093783][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.095391][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.098336][ T4350] device veth0_vlan entered promiscuous mode [ 38.101163][ T4350] device veth1_vlan entered promiscuous mode [ 38.107691][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.109304][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.110809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.113756][ T4350] device veth0_macvtap entered promiscuous mode [ 38.116083][ T4350] device veth1_macvtap entered promiscuous mode [ 38.121155][ T4350] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.122455][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.124472][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.128170][ T4350] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.130351][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.132372][ T4350] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.133782][ T4350] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.135194][ T4350] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.137635][ T4350] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.225708][ T4368] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.228253][ T4368] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.229741][ T4368] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.231301][ T4368] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.232819][ T4368] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.234028][ T4368] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.468414][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.992350][ T1581] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.993729][ T1581] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.995943][ T1581] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.004156][ T1581] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.005496][ T1581] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.007821][ T90] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:39 executed programs: 0 [ 39.763636][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.765260][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.767626][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.769399][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.770840][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.772178][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.815876][ T4431] chnl_net:caif_netlink_parms(): no params data found [ 39.831074][ T4431] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.832385][ T4431] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.833932][ T4431] device bridge_slave_0 entered promiscuous mode [ 39.835682][ T4431] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.837863][ T4431] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.839406][ T4431] device bridge_slave_1 entered promiscuous mode [ 39.847354][ T4431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.849935][ T4431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.856972][ T4431] team0: Port device team_slave_0 added [ 39.858711][ T4431] team0: Port device team_slave_1 added [ 39.863620][ T4431] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.864783][ T4431] 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. [ 39.869471][ T4431] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.871989][ T4431] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.873116][ T4431] 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. [ 39.877814][ T4431] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.937295][ T4431] device hsr_slave_0 entered promiscuous mode [ 39.986394][ T4431] device hsr_slave_1 entered promiscuous mode [ 40.026228][ T4431] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.027542][ T4431] Cannot create hsr debugfs directory [ 41.317210][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.836556][ T4370] Bluetooth: hci0: command 0x0409 tx timeout [ 43.837387][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.926325][ T4370] Bluetooth: hci0: command 0x041b tx timeout [ 43.938300][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.120731][ T4431] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.198191][ T4431] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.237320][ T4431] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.327673][ T4431] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.380730][ T11] device hsr_slave_0 left promiscuous mode [ 45.416298][ T11] device hsr_slave_1 left promiscuous mode [ 45.496223][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.497629][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.499379][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.500721][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.502145][ T11] device bridge_slave_1 left promiscuous mode [ 45.503542][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.536817][ T11] device bridge_slave_0 left promiscuous mode [ 45.537962][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.666436][ T11] device veth1_macvtap left promiscuous mode [ 45.667596][ T11] device veth0_macvtap left promiscuous mode [ 45.668662][ T11] device veth1_vlan left promiscuous mode [ 45.669796][ T11] device veth0_vlan left promiscuous mode [ 45.996206][ T4370] Bluetooth: hci0: command 0x040f tx timeout [ 47.817369][ T11] team0 (unregistering): Port device team_slave_1 removed [ 47.987115][ T11] team0 (unregistering): Port device team_slave_0 removed [ 48.086217][ T4370] Bluetooth: hci0: command 0x0419 tx timeout [ 48.166621][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.376597][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.967015][ T11] bond0 (unregistering): Released all slaves [ 50.278171][ T4431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.282646][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.284147][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.287363][ T4431] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.291475][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.293243][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.294709][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.295893][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.297688][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.300612][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.302191][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.303799][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.304976][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.308790][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.311598][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.314360][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.316114][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.317795][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.320404][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.322151][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.324719][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.327641][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.331197][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.332822][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.335106][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.384684][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.386084][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.390152][ T4431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.398778][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.400512][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.408112][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.409822][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.411751][ T4431] device veth0_vlan entered promiscuous mode [ 50.413403][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.414836][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.418626][ T4431] device veth1_vlan entered promiscuous mode [ 50.425605][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.428411][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.429913][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.431602][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.434045][ T4431] device veth0_macvtap entered promiscuous mode [ 50.436667][ T4431] device veth1_macvtap entered promiscuous mode [ 50.441414][ T4431] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.442739][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.444285][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.445761][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.447933][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.450779][ T4431] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.452175][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.453903][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.460049][ T4431] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.461499][ T4431] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.462918][ T4431] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.464346][ T4431] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.483269][ T4381] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.484657][ T4381] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.485931][ T4381] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.494172][ T1581] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.495524][ T1581] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.497496][ T1581] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.644572][ T4506] loop0: detected capacity change from 0 to 32768 [ 50.648583][ T4506] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.649888][ T4506] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.662086][ T4506] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.664709][ T4500] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.665949][ T4500] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 50.682771][ T4500] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 16ms [ 50.685687][ T4500] gfs2: fsid=syz:syz.0: jid=0: Done [ 50.687003][ T4506] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 50.807721][ T4431] ------------[ cut here ]------------ [ 50.808820][ T4431] WARNING: CPU: 1 PID: 4431 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 50.810434][ T4431] Modules linked in: [ 50.811017][ T4431] CPU: 1 PID: 4431 Comm: syz-executor Not tainted syzkaller #0 [ 50.812108][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 50.813675][ T4431] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.814873][ T4431] pc : __folio_mark_dirty+0x8b8/0xce0 [ 50.815698][ T4431] lr : __folio_mark_dirty+0x8b8/0xce0 [ 50.816667][ T4431] sp : ffff8000212074c0 [ 50.817357][ T4431] x29: ffff8000212074d0 x28: 1fffff80006efba0 x27: 0000000000000000 [ 50.818750][ T4431] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049a898 [ 50.820078][ T4431] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018093513 [ 50.821470][ T4431] x20: ffff0000da3e2250 x19: fffffc000377dd00 x18: 1fffe00033e7697e [ 50.822870][ T4431] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 50.824228][ T4431] x14: 0000000000000001 x13: 1fffe00018093513 x12: 0000000000000000 [ 50.825607][ T4431] x11: ff00800008715320 x10: 0000000000000000 x9 : ffff800008715320 [ 50.827020][ T4431] x8 : ffff0000dc22b800 x7 : ffff800008714aac x6 : 0000000000000000 [ 50.828414][ T4431] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a66f8c [ 50.829805][ T4431] x2 : ffff0000ced9a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.831161][ T4431] Call trace: [ 50.831706][ T4431] __folio_mark_dirty+0x8b8/0xce0 [ 50.832549][ T4431] mark_buffer_dirty+0x2b8/0x5c0 [ 50.833418][ T4431] gfs2_unpin+0x128/0x918 [ 50.834173][ T4431] buf_lo_after_commit+0x144/0x18c [ 50.835033][ T4431] __gfs2_log_flush+0x12e8/0x1bd4 [ 50.835887][ T4431] gfs2_log_flush+0x3c/0x58 [ 50.836666][ T4431] gfs2_kill_sb+0x5c/0xd8 [ 50.837414][ T4431] deactivate_locked_super+0xb4/0x128 [ 50.838347][ T4431] deactivate_super+0xe4/0x104 [ 50.839133][ T4431] cleanup_mnt+0x3a8/0x430 [ 50.839882][ T4431] __cleanup_mnt+0x20/0x30 [ 50.840599][ T4431] task_work_run+0x1f4/0x280 [ 50.841348][ T4431] do_exit+0x54c/0x19ac [ 50.842042][ T4431] do_group_exit+0x198/0x238 [ 50.842835][ T4431] get_signal+0x11f4/0x133c [ 50.843622][ T4431] do_notify_resume+0x364/0x2c84 [ 50.844421][ T4431] el0_svc+0x98/0x128 [ 50.845074][ T4431] el0t_64_sync_handler+0x84/0xf0 [ 50.845878][ T4431] el0t_64_sync+0x18c/0x190 [ 50.846639][ T4431] irq event stamp: 169844 [ 50.847370][ T4431] hardirqs last enabled at (169843): [] folio_memcg_lock+0xe8/0x1f8 [ 50.849017][ T4431] hardirqs last disabled at (169844): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.850774][ T4431] softirqs last enabled at (167404): [] local_bh_enable+0x10/0x34 [ 50.852344][ T4431] softirqs last disabled at (167402): [] local_bh_disable+0x10/0x34 [ 50.853863][ T4431] ---[ end trace 0000000000000000 ]--- [ 50.857011][ T4431] ------------[ cut here ]------------ [ 50.857968][ T4431] WARNING: CPU: 1 PID: 4431 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 50.860025][ T4431] Modules linked in: [ 50.860778][ T4431] CPU: 1 PID: 4431 Comm: syz-executor Tainted: G W syzkaller #0 [ 50.862488][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 50.864366][ T4431] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.865711][ T4431] pc : __folio_start_writeback+0x8a8/0xa98 [ 50.866725][ T4431] lr : __folio_start_writeback+0x8a8/0xa98 [ 50.867775][ T4431] sp : ffff800021206f40 [ 50.868518][ T4431] x29: ffff800021207020 x28: ffff700004240df0 x27: 0000000000000000 [ 50.869995][ T4431] x26: ffff0000c049a6f0 x25: 1fffff80006efba1 x24: dfff800000000000 [ 50.871470][ T4431] x23: ffff0000da3e2250 x22: ffff800021206fa0 x21: ffff0000c049a898 [ 50.872947][ T4431] x20: 0000000000000001 x19: fffffc000377dd00 x18: 1fffe00033e7697e [ 50.874425][ T4431] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 50.875918][ T4431] x14: 0000000000000001 x13: 1fffff80006efba0 x12: 0000000000000000 [ 50.877312][ T4431] x11: ff00800008717844 x10: 0000000000000000 x9 : ffff800008717844 [ 50.878637][ T4431] x8 : ffff0000dc22b800 x7 : ffff800008717294 x6 : 0000000000000000 [ 50.880095][ T4431] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087172d0 [ 50.881441][ T4431] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.882826][ T4431] Call trace: [ 50.883403][ T4431] __folio_start_writeback+0x8a8/0xa98 [ 50.884324][ T4431] set_page_writeback+0x5c/0x7c [ 50.885136][ T4431] gfs2_aspace_writepage+0x524/0x6f4 [ 50.886039][ T4431] __gfs2_writepage+0x70/0x184 [ 50.886835][ T4431] write_cache_pages+0x760/0xe00 [ 50.887642][ T4431] gfs2_ail1_flush+0x7a8/0x9f0 [ 50.888466][ T4431] empty_ail1_list+0x130/0x214 [ 50.889281][ T4431] __gfs2_log_flush+0x15c8/0x1bd4 [ 50.890146][ T4431] gfs2_log_flush+0x3c/0x58 [ 50.890904][ T4431] gfs2_kill_sb+0x5c/0xd8 [ 50.891649][ T4431] deactivate_locked_super+0xb4/0x128 [ 50.892566][ T4431] deactivate_super+0xe4/0x104 [ 50.893389][ T4431] cleanup_mnt+0x3a8/0x430 [ 50.894122][ T4431] __cleanup_mnt+0x20/0x30 [ 50.894849][ T4431] task_work_run+0x1f4/0x280 [ 50.895619][ T4431] do_exit+0x54c/0x19ac [ 50.896315][ T4431] do_group_exit+0x198/0x238 [ 50.897039][ T4431] get_signal+0x11f4/0x133c [ 50.897743][ T4431] do_notify_resume+0x364/0x2c84 [ 50.898549][ T4431] el0_svc+0x98/0x128 [ 50.899161][ T4431] el0t_64_sync_handler+0x84/0xf0 [ 50.899969][ T4431] el0t_64_sync+0x18c/0x190 [ 50.900699][ T4431] irq event stamp: 170134 [ 50.901410][ T4431] hardirqs last enabled at (170133): [] folio_memcg_lock+0xe8/0x1f8 [ 50.902966][ T4431] hardirqs last disabled at (170134): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.904630][ T4431] softirqs last enabled at (170092): [] handle_softirqs+0xb1c/0xc90 [ 50.906175][ T4431] softirqs last disabled at (169871): [] __do_softirq+0x14/0x20 [ 50.907742][ T4431] ---[ end trace 0000000000000000 ]--- [ 50.911042][ C0] ------------[ cut here ]------------ [ 50.912072][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 50.913682][ C0] Modules linked in: [ 50.914215][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 50.915617][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 50.917238][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.918520][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 50.919461][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 50.920400][ C0] sp : ffff80001cb97980 [ 50.921053][ C0] x29: ffff80001cb979a0 x28: 1fffff80006799f1 x27: 1fffff80006799f0 [ 50.922433][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049a6f0 [ 50.923844][ C0] x23: ffff0000c049a898 x22: ffff0000da3e2ce0 x21: ffff0000da3e2ce8 [ 50.925181][ C0] x20: 0000000000000001 x19: fffffc00033ccf80 x18: 1fffe00033e7277e [ 50.926509][ C0] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: ffff00019f393bfc [ 50.927891][ C0] x14: 0000000000000003 x13: 1ffff00003972f22 x12: 0000000000000000 [ 50.929192][ C0] x11: ff00800008716da0 x10: 0000000000000000 x9 : ffff800008716da0 [ 50.930504][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.931814][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 50.933122][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.934463][ C0] Call trace: [ 50.935016][ C0] __folio_end_writeback+0x7d0/0x9cc [ 50.935850][ C0] folio_end_writeback+0x12c/0x410 [ 50.936698][ C0] end_page_writeback+0x58/0x74 [ 50.937517][ C0] end_buffer_async_write+0x330/0x4fc [ 50.938407][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 50.939181][ C0] bio_endio+0x750/0x794 [ 50.939891][ C0] blk_update_request+0x4ac/0xc58 [ 50.940711][ C0] blk_mq_end_request+0x54/0x8c [ 50.941495][ C0] lo_complete_rq+0x1e8/0x238 [ 50.942277][ C0] blk_done_softirq+0x11c/0x168 [ 50.943061][ C0] handle_softirqs+0x318/0xc90 [ 50.943823][ C0] run_ksoftirqd+0x7c/0x2ac [ 50.944582][ C0] smpboot_thread_fn+0x4e8/0x960 [ 50.945406][ C0] kthread+0x254/0x2e0 [ 50.946081][ C0] ret_from_fork+0x10/0x20 [ 50.946806][ C0] irq event stamp: 455985 [ 50.947510][ C0] hardirqs last enabled at (455984): [] folio_memcg_lock+0xe8/0x1f8 [ 50.949080][ C0] hardirqs last disabled at (455985): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.950725][ C0] softirqs last enabled at (455974): [] handle_softirqs+0xb1c/0xc90 [ 50.952261][ C0] softirqs last disabled at (455979): [] run_ksoftirqd+0x7c/0x2ac [ 50.953840][ C0] ---[ end trace 0000000000000000 ]---