Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://43713 [ 31.716109][ T4341] cgroup: Unknown subsys name 'net' [ 31.940769][ T4341] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.248593][ T4341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.710174][ T4356] chnl_net:caif_netlink_parms(): no params data found [ 38.728823][ T4356] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.730144][ T4356] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.731781][ T4356] device bridge_slave_0 entered promiscuous mode [ 38.734256][ T4356] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.735513][ T4356] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.737117][ T4356] device bridge_slave_1 entered promiscuous mode [ 38.746563][ T4356] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.749443][ T4356] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.756266][ T4356] team0: Port device team_slave_0 added [ 38.758022][ T4356] team0: Port device team_slave_1 added [ 38.763716][ T4356] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.764884][ T4356] 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. [ 38.769493][ T4356] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.772327][ T4356] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.773458][ T4356] 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. [ 38.777755][ T4356] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.839992][ T4356] device hsr_slave_0 entered promiscuous mode [ 38.888272][ T4356] device hsr_slave_1 entered promiscuous mode [ 38.972911][ T4356] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.010785][ T4356] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.071182][ T4356] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.120761][ T4356] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.166477][ T4356] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.167799][ T4356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.169329][ T4356] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.170522][ T4356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.189934][ T4356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.193889][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.196485][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.199447][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.201315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.205567][ T4356] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.209025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.210651][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.211834][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.216935][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.219423][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.220594][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.226377][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.229142][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.232484][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.235337][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.237928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.242424][ T4356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.294599][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.295945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.300146][ T4356] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.306128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.311885][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.313540][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.314946][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.317477][ T4356] device veth0_vlan entered promiscuous mode [ 39.324163][ T4356] device veth1_vlan entered promiscuous mode [ 39.331769][ T4356] device veth0_macvtap entered promiscuous mode [ 39.333528][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.335206][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.336878][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.339902][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.342477][ T4356] device veth1_macvtap entered promiscuous mode [ 39.348785][ T4356] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.350132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.353592][ T4356] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.355024][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.357523][ T4356] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.359818][ T4356] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.361309][ T4356] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.362644][ T4356] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.547041][ T4382] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.549052][ T4382] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.550487][ T4382] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.552013][ T4382] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.553564][ T4382] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.554859][ T4382] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.849448][ T285] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.292358][ T1577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.293831][ T1577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.295612][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.302299][ T1577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.303570][ T1577] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.305220][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 40.996152][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.997793][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.999923][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.001529][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.003254][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.004515][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.049486][ T4433] chnl_net:caif_netlink_parms(): no params data found [ 41.065270][ T4433] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.066561][ T4433] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.068036][ T4433] device bridge_slave_0 entered promiscuous mode [ 41.071402][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.072707][ T4433] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.074372][ T4433] device bridge_slave_1 entered promiscuous mode [ 41.081922][ T4433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.084531][ T4433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.092264][ T4433] team0: Port device team_slave_0 added [ 41.094534][ T4433] team0: Port device team_slave_1 added [ 41.100081][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.101219][ T4433] 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. [ 41.105424][ T4433] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.107864][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.109382][ T4433] 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. [ 41.113634][ T4433] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.159144][ T4433] device hsr_slave_0 entered promiscuous mode [ 41.198268][ T4433] device hsr_slave_1 entered promiscuous mode [ 41.248153][ T4433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.249541][ T4433] Cannot create hsr debugfs directory [ 42.519458][ T285] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.038485][ T4382] Bluetooth: hci0: command 0x0409 tx timeout [ 44.959200][ T285] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.059995][ T285] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.118190][ T4382] Bluetooth: hci0: command 0x041b tx timeout [ 46.312525][ T4433] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.429892][ T4433] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.479243][ T4433] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.589958][ T4433] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.632881][ T285] device hsr_slave_0 left promiscuous mode [ 46.668339][ T285] device hsr_slave_1 left promiscuous mode [ 46.758158][ T285] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.759522][ T285] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.761326][ T285] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.762676][ T285] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.764053][ T285] device bridge_slave_1 left promiscuous mode [ 46.765634][ T285] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.798910][ T285] device bridge_slave_0 left promiscuous mode [ 46.800084][ T285] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.948673][ T285] device veth1_macvtap left promiscuous mode [ 46.949839][ T285] device veth0_macvtap left promiscuous mode [ 46.950850][ T285] device veth1_vlan left promiscuous mode [ 46.951883][ T285] device veth0_vlan left promiscuous mode [ 47.198098][ T4382] Bluetooth: hci0: command 0x040f tx timeout [ 49.069295][ T285] team0 (unregistering): Port device team_slave_1 removed [ 49.259142][ T285] team0 (unregistering): Port device team_slave_0 removed [ 49.288098][ T4382] Bluetooth: hci0: command 0x0419 tx timeout [ 49.418548][ T285] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.628545][ T285] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.258910][ T285] bond0 (unregistering): Released all slaves [ 51.570700][ T4433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.574322][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.575935][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.578783][ T4433] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.581238][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.582973][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.584580][ T1577] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.585773][ T1577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.587390][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.595992][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.597821][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.599922][ T1577] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.601149][ T1577] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.602580][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.605475][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.609556][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.611586][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.613262][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.615434][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.617423][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.621925][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.623545][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.626117][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.627689][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.634292][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.686034][ T4502] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.687615][ T4502] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.691552][ T4433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.696979][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.698977][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.705140][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.706803][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.708464][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.709984][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.712245][ T4433] device veth0_vlan entered promiscuous mode [ 51.716277][ T4433] device veth1_vlan entered promiscuous mode [ 51.725155][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.726712][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.729628][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.731268][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.733915][ T4433] device veth0_macvtap entered promiscuous mode [ 51.736262][ T4433] device veth1_macvtap entered promiscuous mode [ 51.744255][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.745516][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.747174][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.749432][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.751006][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.754176][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.755507][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.757175][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.760717][ T4433] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.762111][ T4433] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.763449][ T4433] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.764798][ T4433] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.785278][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.786620][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.787984][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.794635][ T1577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.795949][ T1577] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.797280][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.949998][ T4508] loop0: detected capacity change from 0 to 32768 [ 51.958689][ T4508] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.959999][ T4508] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.964883][ T4508] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 51.967256][ T3901] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.968637][ T3901] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.987940][ T3901] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 19ms [ 51.989907][ T3901] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.990933][ T4508] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.043762][ T4508] gfs2: fsid=syz:syz.0: found 1 quota changes [ 52.072467][ T4433] ------------[ cut here ]------------ [ 52.073483][ T4433] WARNING: CPU: 1 PID: 4433 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 52.075066][ T4433] Modules linked in: [ 52.075687][ T4433] CPU: 1 PID: 4433 Comm: syz-executor Not tainted syzkaller #0 [ 52.076827][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.078378][ T4433] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.079694][ T4433] pc : __folio_mark_dirty+0x8b8/0xce0 [ 52.080588][ T4433] lr : __folio_mark_dirty+0x8b8/0xce0 [ 52.081503][ T4433] sp : ffff8000209871c0 [ 52.082285][ T4433] x29: ffff8000209871d0 x28: 1fffff8000693900 x27: 0000000000000000 [ 52.083734][ T4433] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c5be3e98 [ 52.085081][ T4433] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018b7c7d3 [ 52.086380][ T4433] x20: ffff0000da58a250 x19: fffffc000349c800 x18: 1fffe00033e7697e [ 52.087761][ T4433] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 52.089231][ T4433] x14: 0000000000000001 x13: 1fffe00018b7c7d3 x12: 0000000000000000 [ 52.090555][ T4433] x11: ff00800008715320 x10: 0000000000000000 x9 : ffff800008715320 [ 52.091944][ T4433] x8 : ffff0000d8f5d400 x7 : ffff800008714aac x6 : 0000000000000000 [ 52.093335][ T4433] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a66f8c [ 52.094737][ T4433] x2 : ffff0000cee10060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.096103][ T4433] Call trace: [ 52.096667][ T4433] __folio_mark_dirty+0x8b8/0xce0 [ 52.097516][ T4433] mark_buffer_dirty+0x2b8/0x5c0 [ 52.098308][ T4433] gfs2_unpin+0x128/0x918 [ 52.099063][ T4433] buf_lo_after_commit+0x144/0x18c [ 52.099884][ T4433] __gfs2_log_flush+0x12e8/0x1bd4 [ 52.100733][ T4433] gfs2_log_flush+0x3c/0x58 [ 52.101478][ T4433] do_sync+0x844/0xa68 [ 52.102154][ T4433] gfs2_quota_sync+0x2cc/0x4e8 [ 52.103037][ T4433] gfs2_sync_fs+0x50/0xc8 [ 52.103814][ T4433] sync_filesystem+0xe8/0x218 [ 52.104605][ T4433] generic_shutdown_super+0x74/0x32c [ 52.105513][ T4433] kill_block_super+0x78/0xe0 [ 52.106289][ T4433] gfs2_kill_sb+0xc4/0xd8 [ 52.107043][ T4433] deactivate_locked_super+0xb4/0x128 [ 52.108050][ T4433] deactivate_super+0xe4/0x104 [ 52.108862][ T4433] cleanup_mnt+0x3a8/0x430 [ 52.109610][ T4433] __cleanup_mnt+0x20/0x30 [ 52.110353][ T4433] task_work_run+0x1f4/0x280 [ 52.111116][ T4433] do_exit+0x54c/0x19ac [ 52.111805][ T4433] do_group_exit+0x198/0x238 [ 52.112590][ T4433] get_signal+0x11f4/0x133c [ 52.113365][ T4433] do_notify_resume+0x364/0x2c84 [ 52.114221][ T4433] el0_svc+0x98/0x128 [ 52.114880][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 52.115730][ T4433] el0t_64_sync+0x18c/0x190 [ 52.116468][ T4433] irq event stamp: 172700 [ 52.117214][ T4433] hardirqs last enabled at (172699): [] folio_memcg_lock+0xe8/0x1f8 [ 52.118860][ T4433] hardirqs last disabled at (172700): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.120511][ T4433] softirqs last enabled at (171116): [] handle_softirqs+0xb1c/0xc90 [ 52.122133][ T4433] softirqs last disabled at (170413): [] __do_softirq+0x14/0x20 [ 52.123668][ T4433] ---[ end trace 0000000000000000 ]--- [ 52.126203][ T1577] ------------[ cut here ]------------ [ 52.127207][ T1577] WARNING: CPU: 0 PID: 1577 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 52.129074][ T1577] Modules linked in: [ 52.129726][ T1577] CPU: 0 PID: 1577 Comm: kworker/u4:4 Tainted: G W syzkaller #0 [ 52.131234][ T1577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.132960][ T1577] Workqueue: writeback wb_workfn (flush-7:0) [ 52.134085][ T1577] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.135439][ T1577] pc : __folio_start_writeback+0x8a8/0xa98 [ 52.136472][ T1577] lr : __folio_start_writeback+0x8a8/0xa98 [ 52.137430][ T1577] sp : ffff800025776d20 [ 52.138139][ T1577] x29: ffff800025776e00 x28: ffff700004aeedac x27: 0000000000000000 [ 52.139494][ T1577] x26: ffff0000c5be3cf0 x25: 1fffff8000669cc9 x24: dfff800000000000 [ 52.140914][ T1577] x23: ffff0000da58ace0 x22: ffff800025776d80 x21: ffff0000c5be3e98 [ 52.142315][ T1577] x20: 0000000000000001 x19: fffffc000334e640 x18: 1fffe00033e7277e [ 52.143636][ T1577] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 52.144961][ T1577] x14: 0000000000000001 x13: 1fffff8000669cc8 x12: 0000000000000000 [ 52.146320][ T1577] x11: ff00800008717844 x10: 0000000000000000 x9 : ffff800008717844 [ 52.147797][ T1577] x8 : ffff0000cfff0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.149200][ T1577] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087172d0 [ 52.150571][ T1577] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.152015][ T1577] Call trace: [ 52.152578][ T1577] __folio_start_writeback+0x8a8/0xa98 [ 52.153513][ T1577] set_page_writeback+0x5c/0x7c [ 52.154373][ T1577] gfs2_aspace_writepage+0x524/0x6f4 [ 52.155250][ T1577] __writepage+0x70/0x184 [ 52.155950][ T1577] write_cache_pages+0x760/0xe00 [ 52.156815][ T1577] do_writepages+0x32c/0x50c [ 52.157596][ T1577] filemap_fdatawrite_wbc+0x124/0x174 [ 52.158522][ T1577] filemap_fdatawrite+0xd0/0x12c [ 52.159394][ T1577] gfs2_write_inode+0x234/0x33c [ 52.160214][ T1577] __writeback_single_inode+0x5e0/0x157c [ 52.161197][ T1577] writeback_sb_inodes+0x870/0x1470 [ 52.162116][ T1577] wb_writeback+0x40c/0xfdc [ 52.162885][ T1577] wb_workfn+0x360/0xe18 [ 52.163618][ T1577] process_one_work+0x7e4/0x13bc [ 52.164467][ T1577] worker_thread+0x8cc/0xfe8 [ 52.165199][ T1577] kthread+0x254/0x2e0 [ 52.165870][ T1577] ret_from_fork+0x10/0x20 [ 52.166588][ T1577] irq event stamp: 462092 [ 52.167344][ T1577] hardirqs last enabled at (462091): [] folio_memcg_lock+0xe8/0x1f8 [ 52.168825][ T1577] hardirqs last disabled at (462092): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.170517][ T1577] softirqs last enabled at (461952): [] nsim_dev_trap_report_work+0x610/0x94c [ 52.172294][ T1577] softirqs last disabled at (461950): [] nsim_dev_trap_report_work+0x590/0x94c [ 52.174067][ T1577] ---[ end trace 0000000000000000 ]--- [ 52.182641][ C0] ------------[ cut here ]------------ [ 52.183656][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.185274][ C0] Modules linked in: [ 52.185932][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 52.187312][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.188961][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.190342][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.191267][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.192217][ C0] sp : ffff80001cb97980 [ 52.192914][ C0] x29: ffff80001cb979a0 x28: 1fffff8000669cc9 x27: 1fffff8000669cc8 [ 52.194332][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c5be3cf0 [ 52.195698][ C0] x23: ffff0000c5be3e98 x22: ffff0000da58ace0 x21: ffff0000da58ace8 [ 52.196994][ C0] x20: 0000000000000001 x19: fffffc000334e640 x18: 1fffe00033e7277e [ 52.198292][ C0] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 52.199615][ C0] x14: 0000000000000003 x13: 1ffff00003972f22 x12: 0000000000000000 [ 52.201015][ C0] x11: ff00800008716da0 x10: 0000000000000000 x9 : ffff800008716da0 [ 52.202433][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.203838][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.205205][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.206566][ C0] Call trace: [ 52.207132][ C0] __folio_end_writeback+0x7d0/0x9cc [ 52.207968][ C0] folio_end_writeback+0x12c/0x410 [ 52.208844][ C0] end_page_writeback+0x58/0x74 [ 52.209720][ C0] end_buffer_async_write+0x330/0x4fc [ 52.210617][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 52.211406][ C0] bio_endio+0x750/0x794 [ 52.212147][ C0] blk_update_request+0x4ac/0xc58 [ 52.213000][ C0] blk_mq_end_request+0x54/0x8c [ 52.213785][ C0] lo_complete_rq+0x1e8/0x238 [ 52.214532][ C0] blk_done_softirq+0x11c/0x168 [ 52.215367][ C0] handle_softirqs+0x318/0xc90 [ 52.216148][ C0] run_ksoftirqd+0x7c/0x2ac [ 52.216943][ C0] smpboot_thread_fn+0x4e8/0x960 [ 52.217778][ C0] kthread+0x254/0x2e0 [ 52.218453][ C0] ret_from_fork+0x10/0x20 [ 52.219140][ C0] irq event stamp: 358007 [ 52.219859][ C0] hardirqs last enabled at (358006): [] folio_memcg_lock+0xe8/0x1f8 [ 52.221492][ C0] hardirqs last disabled at (358007): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.223144][ C0] softirqs last enabled at (357982): [] handle_softirqs+0xb1c/0xc90 [ 52.224753][ C0] softirqs last disabled at (357987): [] run_ksoftirqd+0x7c/0x2ac [ 52.226406][ C0] ---[ end trace 0000000000000000 ]---