Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts. 1970/01/01 00:00:29 parsed 1 programs 1970/01/01 00:00:29 serving rpc on tcp://41749 [ 31.058794][ T4338] cgroup: Unknown subsys name 'net' [ 31.274837][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.575679][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.577622][ T4378] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.579205][ T4378] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.580604][ T4378] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.582831][ T4378] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.584293][ T4378] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.585597][ T4378] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.984956][ T1618] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.986350][ T1618] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.988695][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.996444][ T1618] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.997880][ T1618] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.999442][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.099684][ T4404] chnl_net:caif_netlink_parms(): no params data found [ 39.126837][ T4404] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.128177][ T4404] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.132860][ T4404] device bridge_slave_0 entered promiscuous mode [ 39.135380][ T4404] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.136729][ T4404] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.138387][ T4404] device bridge_slave_1 entered promiscuous mode [ 39.145475][ T4404] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.148071][ T4404] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.155330][ T4404] team0: Port device team_slave_0 added [ 39.157020][ T4404] team0: Port device team_slave_1 added [ 39.162976][ T4404] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.164125][ T4404] 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. [ 39.168307][ T4404] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.170942][ T4404] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.172050][ T4404] 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. [ 39.176595][ T4404] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.242848][ T4404] device hsr_slave_0 entered promiscuous mode [ 39.292401][ T4404] device hsr_slave_1 entered promiscuous mode [ 39.366613][ T4404] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.423919][ T4404] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.463358][ T4404] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.503078][ T4404] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.528594][ T4404] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.529737][ T4404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.531128][ T4404] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.532412][ T4404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.549765][ T4404] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.554461][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.556701][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.558481][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.563866][ T4404] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.566973][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.568792][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.569919][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.574653][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.576193][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.577281][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.584237][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.585916][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.588917][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.592657][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.595992][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.598493][ T4404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.649383][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.650766][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.656660][ T4404] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.664029][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.670269][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.672333][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.673839][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.676125][ T4404] device veth0_vlan entered promiscuous mode [ 39.679247][ T4404] device veth1_vlan entered promiscuous mode [ 39.686515][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.687967][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.689579][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.692750][ T4404] device veth0_macvtap entered promiscuous mode [ 39.695114][ T4404] device veth1_macvtap entered promiscuous mode [ 39.700604][ T4404] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.702927][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.704827][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.707666][ T4404] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.709101][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.711486][ T4404] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.713881][ T4404] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.715336][ T4404] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.716746][ T4404] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:39 executed programs: 0 [ 39.969875][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.971373][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.973383][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.975125][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.976798][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.978246][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.036954][ T4458] chnl_net:caif_netlink_parms(): no params data found [ 40.063211][ T4458] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.064545][ T4458] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.066107][ T4458] device bridge_slave_0 entered promiscuous mode [ 40.068127][ T4458] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.069324][ T4458] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.070743][ T4458] device bridge_slave_1 entered promiscuous mode [ 40.077718][ T4458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.080491][ T4458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.100518][ T4458] team0: Port device team_slave_0 added [ 40.102504][ T4458] team0: Port device team_slave_1 added [ 40.107421][ T4458] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.108641][ T4458] 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. [ 40.114176][ T4458] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.116759][ T4458] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.117879][ T4458] 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. [ 40.122680][ T4458] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.152731][ T4458] device hsr_slave_0 entered promiscuous mode [ 40.191810][ T4458] device hsr_slave_1 entered promiscuous mode [ 40.241732][ T4458] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.243140][ T4458] Cannot create hsr debugfs directory [ 40.353575][ T4458] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.011951][ T4378] Bluetooth: hci0: command 0x0409 tx timeout [ 42.794016][ T4458] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.091686][ T4378] Bluetooth: hci0: command 0x041b tx timeout [ 45.272585][ T4458] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.343133][ T4458] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.603260][ T4458] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.652809][ T4458] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.733937][ T4458] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.843623][ T4458] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.962847][ T4458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.966370][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.967920][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.970335][ T4458] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.973192][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.974816][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.976603][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.978114][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.980028][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.984838][ T1576] device hsr_slave_0 left promiscuous mode [ 46.041888][ T1576] device hsr_slave_1 left promiscuous mode [ 46.141722][ T1576] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.143005][ T1576] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.144697][ T1576] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.145954][ T1576] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.147384][ T1576] device bridge_slave_1 left promiscuous mode [ 46.148500][ T1576] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.171657][ T4378] Bluetooth: hci0: command 0x040f tx timeout [ 46.182872][ T1576] device bridge_slave_0 left promiscuous mode [ 46.183946][ T1576] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.321853][ T1576] device veth1_macvtap left promiscuous mode [ 46.323000][ T1576] device veth0_macvtap left promiscuous mode [ 46.324013][ T1576] device veth1_vlan left promiscuous mode [ 46.325069][ T1576] device veth0_vlan left promiscuous mode [ 48.251937][ T4378] Bluetooth: hci0: command 0x0419 tx timeout [ 48.592910][ T1576] team0 (unregistering): Port device team_slave_1 removed [ 48.772967][ T1576] team0 (unregistering): Port device team_slave_0 removed [ 48.932092][ T1576] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.152039][ T1576] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.723229][ T1576] bond0 (unregistering): Released all slaves [ 51.033327][ T4466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.035156][ T4466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.036727][ T4466] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.038001][ T4466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.042412][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.045634][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.048002][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.049756][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.051367][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.054267][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.056148][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.058770][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.060330][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.063196][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.064712][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.066880][ T4458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.115428][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.116778][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.119641][ T4458] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.125373][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.127127][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.134392][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.136043][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.137783][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.139142][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.141362][ T4458] device veth0_vlan entered promiscuous mode [ 51.145474][ T4458] device veth1_vlan entered promiscuous mode [ 51.152188][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.153894][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.155463][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.156901][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.159398][ T4458] device veth0_macvtap entered promiscuous mode [ 51.161519][ T4458] device veth1_macvtap entered promiscuous mode [ 51.166203][ T4458] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.167372][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.168848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.170410][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.172548][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.175305][ T4458] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.176568][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.178228][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.180951][ T4458] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.182831][ T4458] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.184371][ T4458] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.185794][ T4458] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.207521][ T4468] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.208774][ T4468] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.210313][ T4468] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.216049][ T1618] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.217540][ T1618] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.219107][ T1618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.364559][ T4475] loop0: detected capacity change from 0 to 32768 [ 51.369695][ T4475] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.371115][ T4475] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.380858][ T4475] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.383630][ T4358] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.384771][ T4358] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.395376][ T4358] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 10ms [ 51.397001][ T4358] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.397964][ T4475] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.493892][ T4458] ------------[ cut here ]------------ [ 51.495088][ T4458] WARNING: CPU: 1 PID: 4458 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 51.496931][ T4458] Modules linked in: [ 51.497686][ T4458] CPU: 1 PID: 4458 Comm: syz-executor Not tainted syzkaller #0 [ 51.499030][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.500674][ T4458] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.502006][ T4458] pc : __folio_mark_dirty+0x8b8/0xce0 [ 51.503059][ T4458] lr : __folio_mark_dirty+0x8b8/0xce0 [ 51.503977][ T4458] sp : ffff800020d07620 [ 51.504673][ T4458] x29: ffff800020d07630 x28: 1fffff800061b1b0 x27: 0000000000000000 [ 51.506008][ T4458] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049be98 [ 51.507383][ T4458] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe000180937d3 [ 51.508707][ T4458] x20: ffff0000da6f6250 x19: fffffc00030d8d80 x18: 1fffe00033e7217e [ 51.510095][ T4458] x17: ffff80001539d000 x16: ffff8000082dbd58 x15: 000000000004ffff [ 51.511410][ T4458] x14: 0000000000000001 x13: 1fffe000180937d3 x12: 0000000000000000 [ 51.512819][ T4458] x11: ff0080000871574c x10: 0000000000000000 x9 : ffff80000871574c [ 51.514188][ T4458] x8 : ffff0000c74cd400 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.515551][ T4458] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a6764c [ 51.516881][ T4458] x2 : ffff0000cece6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.518200][ T4458] Call trace: [ 51.518725][ T4458] __folio_mark_dirty+0x8b8/0xce0 [ 51.519570][ T4458] mark_buffer_dirty+0x2b8/0x5c0 [ 51.520359][ T4458] gfs2_unpin+0x128/0x918 [ 51.521107][ T4458] buf_lo_after_commit+0x144/0x18c [ 51.521988][ T4458] __gfs2_log_flush+0x12e8/0x1bd4 [ 51.522862][ T4458] gfs2_log_flush+0x3c/0x58 [ 51.523601][ T4458] gfs2_kill_sb+0x5c/0xd8 [ 51.524335][ T4458] deactivate_locked_super+0xb4/0x128 [ 51.525244][ T4458] deactivate_super+0xe4/0x104 [ 51.526041][ T4458] cleanup_mnt+0x3a8/0x430 [ 51.526763][ T4458] __cleanup_mnt+0x20/0x30 [ 51.527500][ T4458] task_work_run+0x1f4/0x280 [ 51.528295][ T4458] get_signal+0x1140/0x133c [ 51.529049][ T4458] do_notify_resume+0x364/0x2c84 [ 51.529869][ T4458] el0_svc+0x98/0x128 [ 51.530548][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 51.531379][ T4458] el0t_64_sync+0x18c/0x190 [ 51.532201][ T4458] irq event stamp: 161202 [ 51.532863][ T4458] hardirqs last enabled at (161201): [] folio_memcg_lock+0xe8/0x1f8 [ 51.534445][ T4458] hardirqs last disabled at (161202): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.536133][ T4458] softirqs last enabled at (161094): [] local_bh_enable+0x10/0x34 [ 51.537675][ T4458] softirqs last disabled at (161092): [] local_bh_disable+0x10/0x34 [ 51.539324][ T4458] ---[ end trace 0000000000000000 ]--- [ 51.572901][ T4458] ------------[ cut here ]------------ [ 51.573907][ T4458] WARNING: CPU: 0 PID: 4458 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 51.575863][ T4458] Modules linked in: [ 51.576591][ T4458] CPU: 0 PID: 4458 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.578036][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.579490][ T4458] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.580753][ T4458] pc : __folio_start_writeback+0x8a8/0xa98 [ 51.581723][ T4458] lr : __folio_start_writeback+0x8a8/0xa98 [ 51.582737][ T4458] sp : ffff800020d070a0 [ 51.583413][ T4458] x29: ffff800020d07180 x28: ffff7000041a0e1c x27: 0000000000000000 [ 51.584843][ T4458] x26: ffff0000c049bcf0 x25: 1fffff800061b1b1 x24: dfff800000000000 [ 51.586284][ T4458] x23: ffff0000da6f6250 x22: ffff800020d07100 x21: ffff0000c049be98 [ 51.587715][ T4458] x20: 0000000000000001 x19: fffffc00030d8d80 x18: 1fffe00033e6df7e [ 51.589139][ T4458] x17: ffff80001539d000 x16: ffff8000082dbd58 x15: 0000000000000000 [ 51.590632][ T4458] x14: 0000000000000001 x13: 1fffff800061b1b0 x12: 0000000000000000 [ 51.592157][ T4458] x11: ff00800008717c70 x10: 0000000000000000 x9 : ffff800008717c70 [ 51.593632][ T4458] x8 : ffff0000c74cd400 x7 : ffff8000087176c0 x6 : 0000000000000000 [ 51.595120][ T4458] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087176fc [ 51.596505][ T4458] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.597916][ T4458] Call trace: [ 51.598471][ T4458] __folio_start_writeback+0x8a8/0xa98 [ 51.599402][ T4458] set_page_writeback+0x5c/0x7c [ 51.600233][ T4458] gfs2_aspace_writepage+0x524/0x6f4 [ 51.601147][ T4458] __gfs2_writepage+0x70/0x184 [ 51.601963][ T4458] write_cache_pages+0x760/0xe00 [ 51.602826][ T4458] gfs2_ail1_flush+0x7a8/0x9f0 [ 51.603781][ T4458] empty_ail1_list+0x130/0x214 [ 51.604738][ T4458] __gfs2_log_flush+0x15c8/0x1bd4 [ 51.605768][ T4458] gfs2_log_flush+0x3c/0x58 [ 51.606684][ T4458] gfs2_kill_sb+0x5c/0xd8 [ 51.607530][ T4458] deactivate_locked_super+0xb4/0x128 [ 51.608573][ T4458] deactivate_super+0xe4/0x104 [ 51.609487][ T4458] cleanup_mnt+0x3a8/0x430 [ 51.610304][ T4458] __cleanup_mnt+0x20/0x30 [ 51.611124][ T4458] task_work_run+0x1f4/0x280 [ 51.611971][ T4458] get_signal+0x1140/0x133c [ 51.612869][ T4458] do_notify_resume+0x364/0x2c84 [ 51.613704][ T4458] el0_svc+0x98/0x128 [ 51.614376][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 51.615226][ T4458] el0t_64_sync+0x18c/0x190 [ 51.615985][ T4458] irq event stamp: 161328 [ 51.616677][ T4458] hardirqs last enabled at (161327): [] folio_memcg_lock+0xe8/0x1f8 [ 51.618270][ T4458] hardirqs last disabled at (161328): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.619958][ T4458] softirqs last enabled at (161304): [] handle_softirqs+0xb1c/0xc90 [ 51.621559][ T4458] softirqs last disabled at (161205): [] __do_softirq+0x14/0x20 [ 51.623345][ T4458] ---[ end trace 0000000000000000 ]--- [ 51.628161][ C0] ------------[ cut here ]------------ [ 51.629180][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.630910][ C0] Modules linked in: [ 51.631542][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.633256][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.635048][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.636342][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.637356][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.638316][ C0] sp : ffff80001cbb7980 [ 51.639038][ C0] x29: ffff80001cbb79a0 x28: 1fffff80006cf7a9 x27: 1fffff80006cf7a8 [ 51.640385][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049bcf0 [ 51.641752][ C0] x23: ffff0000c049be98 x22: ffff0000da6f7770 x21: ffff0000da6f7778 [ 51.643159][ C0] x20: 0000000000000001 x19: fffffc000367bd40 x18: 1fffe00033e6df7e [ 51.644604][ C0] x17: ffff80001539d000 x16: ffff8000082dbd58 x15: 0000000000000000 [ 51.645964][ C0] x14: 0000000000000003 x13: 1ffff00003976f22 x12: 0000000000000000 [ 51.647332][ C0] x11: ff008000087171cc x10: 0000000000000000 x9 : ffff8000087171cc [ 51.648708][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.650134][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.651537][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.652861][ C0] Call trace: [ 51.653384][ C0] __folio_end_writeback+0x7d0/0x9cc [ 51.654261][ C0] folio_end_writeback+0x12c/0x410 [ 51.655120][ C0] end_page_writeback+0x58/0x74 [ 51.655933][ C0] end_buffer_async_write+0x330/0x4fc [ 51.656869][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 51.657728][ C0] bio_endio+0x750/0x794 [ 51.658491][ C0] blk_update_request+0x4ac/0xc58 [ 51.659407][ C0] blk_mq_end_request+0x54/0x8c [ 51.660226][ C0] lo_complete_rq+0x1e8/0x238 [ 51.661079][ C0] blk_done_softirq+0x11c/0x168 [ 51.661950][ C0] handle_softirqs+0x318/0xc90 [ 51.662813][ C0] run_ksoftirqd+0x7c/0x2ac [ 51.663619][ C0] smpboot_thread_fn+0x4e8/0x960 [ 51.664529][ C0] kthread+0x254/0x2e0 [ 51.665235][ C0] ret_from_fork+0x10/0x20 [ 51.665959][ C0] irq event stamp: 422415 [ 51.666663][ C0] hardirqs last enabled at (422414): [] folio_memcg_lock+0xe8/0x1f8 [ 51.668272][ C0] hardirqs last disabled at (422415): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.669998][ C0] softirqs last enabled at (422404): [] handle_softirqs+0xb1c/0xc90 [ 51.671646][ C0] softirqs last disabled at (422409): [] run_ksoftirqd+0x7c/0x2ac [ 51.673186][ C0] ---[ end trace 0000000000000000 ]---