Warning: Permanently added '10.128.0.195' (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://37283 [ 32.164631][ T4341] cgroup: Unknown subsys name 'net' [ 32.390859][ T4341] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.692814][ T4341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.527617][ T4357] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.529475][ T4357] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.530941][ T4357] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.532501][ T4357] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.534101][ T4357] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.535517][ T4357] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.502980][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.504486][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.506221][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.515877][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.517240][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.519101][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.825040][ T4426] chnl_net:caif_netlink_parms(): no params data found [ 40.843549][ T4426] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.844908][ T4426] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.846581][ T4426] device bridge_slave_0 entered promiscuous mode [ 40.849702][ T4426] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.851106][ T4426] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.852735][ T4426] device bridge_slave_1 entered promiscuous mode [ 40.859819][ T4426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.862261][ T4426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.869015][ T4426] team0: Port device team_slave_0 added [ 40.870871][ T4426] team0: Port device team_slave_1 added [ 40.875977][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.877134][ T4426] 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. [ 40.882405][ T4426] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.885081][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.886376][ T4426] 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. [ 40.891516][ T4426] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.929433][ T4426] device hsr_slave_0 entered promiscuous mode [ 40.978451][ T4426] device hsr_slave_1 entered promiscuous mode [ 41.073681][ T4426] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.130204][ T4426] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.188638][ T4426] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.238478][ T4426] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.302101][ T4426] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.303456][ T4426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.304918][ T4426] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.306155][ T4426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.323982][ T4426] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.330124][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.332494][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.334348][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.350742][ T4426] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.354061][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.355965][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.357184][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.361021][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.362601][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.363930][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.370274][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.372054][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.385712][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.390637][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.393564][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.396118][ T4426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.451289][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.452755][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.456877][ T4426] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.464296][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.470170][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.472008][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.473443][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.475855][ T4426] device veth0_vlan entered promiscuous mode [ 41.490637][ T4426] device veth1_vlan entered promiscuous mode [ 41.497101][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.500079][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.501756][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.505351][ T4426] device veth0_macvtap entered promiscuous mode [ 41.508112][ T4426] device veth1_macvtap entered promiscuous mode [ 41.514585][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.515938][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.517789][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.559647][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.562660][ T4426] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.564174][ T4426] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.565681][ T4426] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.567198][ T4426] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.658910][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.660816][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:00:42 executed programs: 0 [ 42.105422][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.107046][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.108975][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.111963][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.113553][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.114998][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.280504][ T1811] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.319307][ T4442] chnl_net:caif_netlink_parms(): no params data found [ 42.334447][ T4442] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.335861][ T4442] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.337473][ T4442] device bridge_slave_0 entered promiscuous mode [ 42.339673][ T4442] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.340998][ T4442] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.342475][ T4442] device bridge_slave_1 entered promiscuous mode [ 42.348364][ T4442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.350782][ T4442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.357376][ T4442] team0: Port device team_slave_0 added [ 42.359712][ T4442] team0: Port device team_slave_1 added [ 42.364776][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.366009][ T4442] 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. [ 42.370731][ T4442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.373150][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.374447][ T4442] 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. [ 42.379526][ T4442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.399721][ T4442] device hsr_slave_0 entered promiscuous mode [ 42.438474][ T4442] device hsr_slave_1 entered promiscuous mode [ 42.479209][ T4442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.480636][ T4442] Cannot create hsr debugfs directory [ 44.168510][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 44.629302][ T1811] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.248611][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 46.919747][ T1811] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.010491][ T1811] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.951673][ T4442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.999619][ T4442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.049854][ T4442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.284285][ T4442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.328225][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 48.422607][ T4442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.426107][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.427719][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.430550][ T4442] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.432966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.434726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.436506][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.437857][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.440288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.479947][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.481734][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.483253][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.484421][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.486016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.487681][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.489606][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.491525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.493205][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.494930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.496557][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.499804][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.501478][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.503961][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.505589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.508054][ T4442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.692914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.694448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.698134][ T4442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.703858][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.705506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.710798][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.712517][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.714255][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.715830][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.718753][ T4442] device veth0_vlan entered promiscuous mode [ 48.722479][ T4442] device veth1_vlan entered promiscuous mode [ 48.783131][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.784815][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.786403][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.788107][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.790924][ T4442] device veth0_macvtap entered promiscuous mode [ 48.793324][ T4442] device veth1_macvtap entered promiscuous mode [ 48.798048][ T4442] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 48.800549][ T4442] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.802722][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.804128][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.805809][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.807671][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.809438][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.812367][ T4442] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 48.814280][ T4442] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.816404][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.817664][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.819903][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.823232][ T4442] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.824872][ T4442] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.826498][ T4442] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.828886][ T4442] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.901134][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.903632][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.905456][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.911599][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.913007][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.914437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.070411][ T4527] loop0: detected capacity change from 0 to 32768 [ 49.077409][ T4527] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 49.079197][ T4527] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 49.088705][ T4527] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 49.091353][ T4414] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 49.092596][ T4414] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 49.108884][ T4414] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 16ms [ 49.114430][ T4414] gfs2: fsid=syz:syz.0: jid=0: Done [ 49.115531][ T4527] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.227514][ T4442] ------------[ cut here ]------------ [ 49.228773][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 49.230735][ T4442] Modules linked in: [ 49.231510][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Not tainted syzkaller #0 [ 49.233024][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.234999][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.236530][ T4442] pc : __folio_mark_dirty+0x8b8/0xce0 [ 49.237596][ T4442] lr : __folio_mark_dirty+0x8b8/0xce0 [ 49.238589][ T4442] sp : ffff800020d37700 [ 49.239364][ T4442] x29: ffff800020d37710 x28: 1fffff800068b950 x27: 0000000000000000 [ 49.240900][ T4442] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c590be98 [ 49.242444][ T4442] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018b217d3 [ 49.243985][ T4442] x20: ffff0000cde3e250 x19: fffffc000345ca80 x18: 1fffe00033e6db7e [ 49.245380][ T4442] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 000000000004ffff [ 49.246837][ T4442] x14: 0000000000000001 x13: 1fffe00018b217d3 x12: 0000000000000000 [ 49.248351][ T4442] x11: ff00800008716620 x10: 0000000000000000 x9 : ffff800008716620 [ 49.249848][ T4442] x8 : ffff0000cde93800 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.251323][ T4442] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a68bf4 [ 49.252861][ T4442] x2 : ffff0000ce5c4060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.254395][ T4442] Call trace: [ 49.255020][ T4442] __folio_mark_dirty+0x8b8/0xce0 [ 49.255971][ T4442] mark_buffer_dirty+0x2b8/0x5c0 [ 49.256886][ T4442] gfs2_unpin+0x128/0x918 [ 49.257748][ T4442] buf_lo_after_commit+0x144/0x18c [ 49.258765][ T4442] __gfs2_log_flush+0x12e8/0x1bd4 [ 49.259745][ T4442] gfs2_log_flush+0x3c/0x58 [ 49.260534][ T4442] gfs2_kill_sb+0x5c/0xd8 [ 49.261301][ T4442] deactivate_locked_super+0xb4/0x128 [ 49.262308][ T4442] deactivate_super+0xe4/0x104 [ 49.263188][ T4442] cleanup_mnt+0x3a8/0x430 [ 49.264000][ T4442] __cleanup_mnt+0x20/0x30 [ 49.264799][ T4442] task_work_run+0x1f4/0x280 [ 49.265678][ T4442] do_notify_resume+0x20f8/0x2c84 [ 49.266627][ T4442] el0_svc+0x98/0x128 [ 49.267379][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 49.268252][ T4442] el0t_64_sync+0x18c/0x190 [ 49.269114][ T4442] irq event stamp: 153534 [ 49.269832][ T4442] hardirqs last enabled at (153533): [] folio_memcg_lock+0xe8/0x1f8 [ 49.271661][ T4442] hardirqs last disabled at (153534): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.273579][ T4442] softirqs last enabled at (153424): [] local_bh_enable+0x10/0x34 [ 49.275276][ T4442] softirqs last disabled at (153422): [] local_bh_disable+0x10/0x34 [ 49.277063][ T4442] ---[ end trace 0000000000000000 ]--- [ 49.280753][ T4442] ------------[ cut here ]------------ [ 49.281661][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 49.283633][ T4442] Modules linked in: [ 49.284321][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Tainted: G W syzkaller #0 [ 49.285952][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.287700][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.289186][ T4442] pc : __folio_start_writeback+0x8a8/0xa98 [ 49.290271][ T4442] lr : __folio_start_writeback+0x8a8/0xa98 [ 49.291361][ T4442] sp : ffff800020d37180 [ 49.292129][ T4442] x29: ffff800020d37260 x28: ffff7000041a6e38 x27: 0000000000000000 [ 49.293655][ T4442] x26: ffff0000c590bcf0 x25: 1fffff800068b951 x24: dfff800000000000 [ 49.295152][ T4442] x23: ffff0000cde3e250 x22: ffff800020d371e0 x21: ffff0000c590be98 [ 49.296643][ T4442] x20: 0000000000000001 x19: fffffc000345ca80 x18: 1fffe00033e6db7e [ 49.298254][ T4442] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 0000000000000000 [ 49.299807][ T4442] x14: 0000000000000001 x13: 1fffff800068b950 x12: 0000000000000000 [ 49.301302][ T4442] x11: ff00800008718b44 x10: 0000000000000000 x9 : ffff800008718b44 [ 49.302790][ T4442] x8 : ffff0000cde93800 x7 : ffff800008718594 x6 : 0000000000000000 [ 49.304348][ T4442] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087185d0 [ 49.305882][ T4442] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.307413][ T4442] Call trace: [ 49.308046][ T4442] __folio_start_writeback+0x8a8/0xa98 [ 49.309094][ T4442] set_page_writeback+0x5c/0x7c [ 49.309995][ T4442] gfs2_aspace_writepage+0x524/0x6f4 [ 49.310951][ T4442] __gfs2_writepage+0x70/0x184 [ 49.311824][ T4442] write_cache_pages+0x760/0xe00 [ 49.312753][ T4442] gfs2_ail1_flush+0x7a8/0x9f0 [ 49.313775][ T4442] empty_ail1_list+0x130/0x214 [ 49.314809][ T4442] __gfs2_log_flush+0x15c8/0x1bd4 [ 49.315848][ T4442] gfs2_log_flush+0x3c/0x58 [ 49.316780][ T4442] gfs2_kill_sb+0x5c/0xd8 [ 49.317695][ T4442] deactivate_locked_super+0xb4/0x128 [ 49.318833][ T4442] deactivate_super+0xe4/0x104 [ 49.319875][ T4442] cleanup_mnt+0x3a8/0x430 [ 49.320757][ T4442] __cleanup_mnt+0x20/0x30 [ 49.321654][ T4442] task_work_run+0x1f4/0x280 [ 49.322585][ T4442] do_notify_resume+0x20f8/0x2c84 [ 49.323617][ T4442] el0_svc+0x98/0x128 [ 49.324460][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 49.325494][ T4442] el0t_64_sync+0x18c/0x190 [ 49.326384][ T4442] irq event stamp: 153624 [ 49.327211][ T4442] hardirqs last enabled at (153623): [] folio_memcg_lock+0xe8/0x1f8 [ 49.328977][ T4442] hardirqs last disabled at (153624): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.330901][ T4442] softirqs last enabled at (153602): [] handle_softirqs+0xb1c/0xc90 [ 49.332680][ T4442] softirqs last disabled at (153537): [] __do_softirq+0x14/0x20 [ 49.334439][ T4442] ---[ end trace 0000000000000000 ]--- [ 49.338164][ C1] ------------[ cut here ]------------ [ 49.339344][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 49.341284][ C1] Modules linked in: [ 49.342021][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.343600][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.345441][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.346888][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 49.347967][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 49.349013][ C1] sp : ffff80001cc47980 [ 49.349920][ C1] x29: ffff80001cc479a0 x28: 1fffff80006a04a9 x27: 1fffff80006a04a8 [ 49.351614][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c590bcf0 [ 49.353353][ C1] x23: ffff0000c590be98 x22: ffff0000cde3c2a0 x21: ffff0000cde3c2a8 [ 49.355065][ C1] x20: 0000000000000001 x19: fffffc0003502540 x18: 1fffe00033e6db7e [ 49.356779][ C1] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 0000000000000000 [ 49.358349][ C1] x14: 0000000000000003 x13: 1ffff00003988f22 x12: 0000000000000000 [ 49.360113][ C1] x11: ff008000087180a0 x10: 0000000000000000 x9 : ffff8000087180a0 [ 49.361765][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.363317][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 49.364924][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.366425][ C1] Call trace: [ 49.367019][ C1] __folio_end_writeback+0x7d0/0x9cc [ 49.368018][ C1] folio_end_writeback+0x12c/0x410 [ 49.368977][ C1] end_page_writeback+0x58/0x74 [ 49.369897][ C1] end_buffer_async_write+0x330/0x4fc [ 49.370951][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 49.371910][ C1] bio_endio+0x750/0x794 [ 49.372767][ C1] blk_update_request+0x4ac/0xc58 [ 49.373740][ C1] blk_mq_end_request+0x54/0x8c [ 49.374692][ C1] lo_complete_rq+0x1e8/0x238 [ 49.375577][ C1] blk_done_softirq+0x11c/0x168 [ 49.376511][ C1] handle_softirqs+0x318/0xc90 [ 49.377395][ C1] run_ksoftirqd+0x7c/0x2ac [ 49.378262][ C1] smpboot_thread_fn+0x4e8/0x960 [ 49.379213][ C1] kthread+0x254/0x2e0 [ 49.380026][ C1] ret_from_fork+0x10/0x20 [ 49.380901][ C1] irq event stamp: 367773 [ 49.381718][ C1] hardirqs last enabled at (367772): [] folio_memcg_lock+0xe8/0x1f8 [ 49.383502][ C1] hardirqs last disabled at (367773): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.385360][ C1] softirqs last enabled at (367760): [] handle_softirqs+0xb1c/0xc90 [ 49.387121][ C1] softirqs last disabled at (367767): [] run_ksoftirqd+0x7c/0x2ac [ 49.388833][ C1] ---[ end trace 0000000000000000 ]---