Warning: Permanently added '10.128.1.206' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs [ 33.989805][ T4337] cgroup: Unknown subsys name 'net' [ 34.240696][ T4337] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.542854][ T4337] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 41.220370][ T441] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.221938][ T441] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.223746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.235496][ T441] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.236933][ T441] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.238499][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 41.396686][ T4379] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.398485][ T4379] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.399973][ T4379] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.401740][ T4379] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.403627][ T4379] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.405026][ T4379] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.126539][ T4417] chnl_net:caif_netlink_parms(): no params data found [ 42.143482][ T4417] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.144923][ T4417] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.146617][ T4417] device bridge_slave_0 entered promiscuous mode [ 42.150082][ T4417] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.151396][ T4417] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.152947][ T4417] device bridge_slave_1 entered promiscuous mode [ 42.159964][ T4417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.162497][ T4417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.168971][ T4417] team0: Port device team_slave_0 added [ 42.170766][ T4417] team0: Port device team_slave_1 added [ 42.176159][ T4417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.177344][ T4417] 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. [ 42.182453][ T4417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.185228][ T4417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.186440][ T4417] 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. [ 42.191152][ T4417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.239218][ T4417] device hsr_slave_0 entered promiscuous mode [ 42.288256][ T4417] device hsr_slave_1 entered promiscuous mode [ 42.392660][ T4417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 42.439128][ T4417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 42.488938][ T4417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 42.537813][ T4417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 42.604734][ T4417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.608434][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.610359][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.613736][ T4417] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.616255][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.617987][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.620793][ T1574] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.622113][ T1574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.623855][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.635491][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.637259][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.639791][ T1574] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.641051][ T1574] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.643812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.646644][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.651080][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.652921][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.654602][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.657202][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.659110][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.662174][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.663800][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.667695][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.670106][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.672869][ T4417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.728414][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.729920][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.733100][ T4417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.739007][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.745467][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.747356][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.748930][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.751403][ T4417] device veth0_vlan entered promiscuous mode [ 42.755059][ T4417] device veth1_vlan entered promiscuous mode [ 42.762138][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.763829][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.765542][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.767927][ T4417] device veth0_macvtap entered promiscuous mode [ 42.779385][ T4417] device veth1_macvtap entered promiscuous mode [ 42.784944][ T4417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.786306][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.788001][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.790277][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.793011][ T4417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.794372][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.796020][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.799182][ T4417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.800758][ T4417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.802285][ T4417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.803857][ T4417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:43 executed programs: 0 [ 43.403296][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.405078][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.406602][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.409561][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.411038][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.412348][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.638885][ T4437] chnl_net:caif_netlink_parms(): no params data found [ 43.726253][ T4437] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.727623][ T4437] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.729504][ T4437] device bridge_slave_0 entered promiscuous mode [ 43.731549][ T4437] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.732944][ T4437] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.734574][ T4437] device bridge_slave_1 entered promiscuous mode [ 43.741069][ T4437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.743584][ T4437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.750724][ T4437] team0: Port device team_slave_0 added [ 43.752507][ T4437] team0: Port device team_slave_1 added [ 43.757370][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.759109][ T4437] 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. [ 43.763770][ T4437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.766376][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.767539][ T4437] 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. [ 43.772859][ T4437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.139111][ T4437] device hsr_slave_0 entered promiscuous mode [ 44.188226][ T4437] device hsr_slave_1 entered promiscuous mode [ 44.228114][ T4437] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 44.229627][ T4437] Cannot create hsr debugfs directory [ 44.389707][ T4437] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.448326][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 47.508894][ T4437] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.538064][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 48.608804][ T4437] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.689823][ T4437] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.939968][ T4437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.042582][ T4437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.172585][ T4437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.261350][ T4437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.369706][ T4437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.373242][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.374908][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.377291][ T4437] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.380518][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.382271][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.383883][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.385145][ T441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.386726][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.391208][ T11] device hsr_slave_0 left promiscuous mode [ 49.418527][ T11] device hsr_slave_1 left promiscuous mode [ 49.508282][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 49.509574][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 49.511230][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 49.512484][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 49.513891][ T11] device bridge_slave_1 left promiscuous mode [ 49.515027][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.559698][ T11] device bridge_slave_0 left promiscuous mode [ 49.561065][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.608229][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.718230][ T11] device veth1_macvtap left promiscuous mode [ 49.719442][ T11] device veth0_macvtap left promiscuous mode [ 49.720771][ T11] device veth1_vlan left promiscuous mode [ 49.721894][ T11] device veth0_vlan left promiscuous mode [ 51.688175][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 51.849027][ T11] team0 (unregistering): Port device team_slave_1 removed [ 52.019317][ T11] team0 (unregistering): Port device team_slave_0 removed [ 52.198445][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.438379][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.939619][ T11] bond0 (unregistering): Released all slaves [ 54.259579][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.261391][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.262886][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.264138][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.265687][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.267514][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.270550][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.272348][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.273991][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.275645][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.277309][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.282635][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.284232][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.286294][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.287882][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.293499][ T4437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.343270][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.344778][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.347751][ T4437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.353748][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.355469][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.362612][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.364302][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.365949][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.367511][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.369976][ T4437] device veth0_vlan entered promiscuous mode [ 54.372989][ T4437] device veth1_vlan entered promiscuous mode [ 54.379157][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.380796][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.382297][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.383992][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.386735][ T4437] device veth0_macvtap entered promiscuous mode [ 54.389734][ T4437] device veth1_macvtap entered promiscuous mode [ 54.394394][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.395713][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.397335][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.401690][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.403380][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.406128][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.407525][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.409751][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.412299][ T4437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.413741][ T4437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.415311][ T4437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.416924][ T4437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.438948][ T441] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.440963][ T441] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.444867][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.446776][ T441] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.448857][ T441] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.450253][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.607121][ T4452] loop0: detected capacity change from 0 to 32768 [ 54.611994][ T4452] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 54.613524][ T4452] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 54.626123][ T4452] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 54.632043][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 54.633353][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 54.655050][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 21ms [ 54.656731][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 54.657783][ T4452] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 54.743597][ T4452] gfs2: fsid=syz:syz.0: found 1 quota changes [ 54.756316][ T4437] ------------[ cut here ]------------ [ 54.757407][ T4437] WARNING: CPU: 1 PID: 4437 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 54.759339][ T4437] Modules linked in: [ 54.760096][ T4437] CPU: 1 PID: 4437 Comm: syz-executor Not tainted syzkaller #0 [ 54.761566][ T4437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.763515][ T4437] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.765025][ T4437] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 54.766045][ T4437] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 54.767082][ T4437] sp : ffff800020b173c0 [ 54.767864][ T4437] x29: ffff800020b173e0 x28: 1fffff800068fac8 x27: dfff800000000000 [ 54.769414][ T4437] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 54.770952][ T4437] x23: 0000000000000000 x22: fffffc000347d648 x21: 1fffe00018093932 [ 54.772552][ T4437] x20: ffff0000cc012250 x19: fffffc000347d640 x18: ffff800011b9bf60 [ 54.774126][ T4437] x17: ffff80001835b000 x16: ffff8000082d7ed4 x15: ffff800017e3c000 [ 54.775676][ T4437] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 54.777231][ T4437] x11: ff0080000870a214 x10: 0000000000000000 x9 : ffff80000870a214 [ 54.778818][ T4437] x8 : ffff0000cecc1bc0 x7 : ffff8000087099b8 x6 : 0000000000000000 [ 54.780422][ T4437] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a58ba4 [ 54.782012][ T4437] x2 : ffff0000cf048060 x1 : 0000000000000000 x0 : 0000000000000000 [ 54.783603][ T4437] Call trace: [ 54.784241][ T4437] __folio_mark_dirty+0x8a0/0xcd8 [ 54.785207][ T4437] mark_buffer_dirty+0x2b8/0x5c0 [ 54.786163][ T4437] gfs2_unpin+0x120/0x8fc [ 54.787043][ T4437] buf_lo_after_commit+0x140/0x188 [ 54.788075][ T4437] gfs2_log_flush+0xc00/0x1b20 [ 54.789043][ T4437] do_sync+0x8cc/0xaec [ 54.789851][ T4437] gfs2_quota_sync+0x2cc/0x500 [ 54.790794][ T4437] gfs2_sync_fs+0x4c/0xc4 [ 54.791625][ T4437] sync_filesystem+0xe8/0x218 [ 54.792530][ T4437] generic_shutdown_super+0x70/0x324 [ 54.793562][ T4437] kill_block_super+0x70/0xdc [ 54.794474][ T4437] gfs2_kill_sb+0xc0/0xd4 [ 54.795328][ T4437] deactivate_locked_super+0xac/0x120 [ 54.796367][ T4437] deactivate_super+0xe4/0x104 [ 54.797266][ T4437] cleanup_mnt+0x390/0x418 [ 54.798129][ T4437] __cleanup_mnt+0x20/0x30 [ 54.798998][ T4437] task_work_run+0x1ec/0x278 [ 54.799905][ T4437] do_notify_resume+0x1fa0/0x2aa4 [ 54.800885][ T4437] el0_svc+0x98/0x128 [ 54.801691][ T4437] el0t_64_sync_handler+0x84/0xf0 [ 54.802669][ T4437] el0t_64_sync+0x18c/0x190 [ 54.803553][ T4437] irq event stamp: 158080 [ 54.804359][ T4437] hardirqs last enabled at (158079): [] folio_memcg_lock+0xe8/0x1f4 [ 54.806231][ T4437] hardirqs last disabled at (158080): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 54.808097][ T4437] softirqs last enabled at (157688): [] local_bh_enable+0x10/0x34 [ 54.809824][ T4437] softirqs last disabled at (157686): [] local_bh_disable+0x10/0x34 [ 54.811568][ T4437] ---[ end trace 0000000000000000 ]--- [ 54.815076][ T9] ------------[ cut here ]------------ [ 54.816155][ T9] WARNING: CPU: 0 PID: 9 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 54.818050][ T9] Modules linked in: [ 54.818803][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Tainted: G W syzkaller #0 [ 54.820514][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.822478][ T9] Workqueue: writeback wb_workfn (flush-7:0) [ 54.823653][ T9] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.825228][ T9] pc : __folio_start_writeback+0x88c/0xa7c [ 54.826370][ T9] lr : __folio_start_writeback+0x88c/0xa7c [ 54.827527][ T9] sp : ffff80001c9c6c80 [ 54.828355][ T9] x29: ffff80001c9c6d60 x28: dfff800000000000 x27: 0000000000000000 [ 54.829880][ T9] x26: ffff700003938d98 x25: 0000000000000000 x24: ffff0000cc012ce0 [ 54.831445][ T9] x23: ffff80001c9c6ce0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 54.833002][ T9] x20: fffffc00036a8948 x19: fffffc00036a8940 x18: ffff800011b9bf60 [ 54.834523][ T9] x17: ffff80001835b000 x16: ffff8000082d7ed4 x15: ffff800017e3c000 [ 54.836138][ T9] x14: 0000000000000001 x13: 1fffff80006d5128 x12: 0000000000ff0100 [ 54.837708][ T9] x11: ff0080000870c720 x10: 0000000000000000 x9 : ffff80000870c720 [ 54.839278][ T9] x8 : ffff0000c09a8000 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.840784][ T9] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870c1cc [ 54.842365][ T9] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 54.843974][ T9] Call trace: [ 54.844630][ T9] __folio_start_writeback+0x88c/0xa7c [ 54.845715][ T9] set_page_writeback+0x5c/0x7c [ 54.846685][ T9] gfs2_aspace_writepage+0x514/0x6dc [ 54.847721][ T9] __writepage+0x70/0x184 [ 54.848576][ T9] write_cache_pages+0x74c/0xde8 [ 54.849559][ T9] do_writepages+0x318/0x504 [ 54.850474][ T9] filemap_fdatawrite_wbc+0x124/0x174 [ 54.851541][ T9] filemap_fdatawrite+0xd0/0x12c [ 54.852503][ T9] gfs2_write_inode+0x234/0x34c [ 54.853450][ T9] __writeback_single_inode+0x5e0/0x1554 [ 54.854448][ T9] writeback_sb_inodes+0x858/0x143c [ 54.855433][ T9] wb_writeback+0x414/0xfcc [ 54.856314][ T9] wb_workfn+0x360/0xe18 [ 54.857155][ T9] process_one_work+0x7f8/0x13a4 [ 54.858138][ T9] worker_thread+0x8c4/0xfec [ 54.859079][ T9] kthread+0x250/0x2d8 [ 54.859899][ T9] ret_from_fork+0x10/0x20 [ 54.860794][ T9] irq event stamp: 344802 [ 54.861653][ T9] hardirqs last enabled at (344801): [] folio_memcg_lock+0xe8/0x1f4 [ 54.863572][ T9] hardirqs last disabled at (344802): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 54.865598][ T9] softirqs last enabled at (344744): [] batadv_nc_purge_paths+0x2f0/0x378 [ 54.867637][ T9] softirqs last disabled at (344742): [] batadv_nc_purge_paths+0xd0/0x378 [ 54.869649][ T9] ---[ end trace 0000000000000000 ]--- [ 54.874960][ C0] ------------[ cut here ]------------ [ 54.876000][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 54.877751][ C0] Modules linked in: [ 54.878451][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 54.880114][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.882089][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.883587][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 54.884651][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 54.885721][ C0] sp : ffff80001ca27970 [ 54.886469][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 54.887956][ C0] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff80006d5128 [ 54.889504][ C0] x23: 0000000000000001 x22: ffff0000cc012ce0 x21: ffff0000cc012ce8 [ 54.891122][ C0] x20: 0000000000000001 x19: fffffc00036a8940 x18: ffff800011b9bf60 [ 54.892796][ C0] x17: ffff80001835b000 x16: ffff8000082d7ed4 x15: ffff800017e3c000 [ 54.894419][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 54.896054][ C0] x11: ff0080000870bc98 x10: 0000000000000000 x9 : ffff80000870bc98 [ 54.897620][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.899180][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 54.900732][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 54.902337][ C0] Call trace: [ 54.902997][ C0] __folio_end_writeback+0x7d0/0x9cc [ 54.904085][ C0] folio_end_writeback+0x12c/0x410 [ 54.905114][ C0] end_page_writeback+0x58/0x74 [ 54.906051][ C0] end_buffer_async_write+0x32c/0x4f4 [ 54.907072][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 54.908039][ C0] bio_endio+0x750/0x794 [ 54.908877][ C0] blk_update_request+0x49c/0xbec [ 54.909867][ C0] blk_mq_end_request+0x54/0x88 [ 54.910849][ C0] lo_complete_rq+0x1ec/0x250 [ 54.911790][ C0] blk_done_softirq+0x11c/0x168 [ 54.912704][ C0] handle_softirqs+0x318/0xc60 [ 54.913663][ C0] run_ksoftirqd+0x7c/0x2ac [ 54.914570][ C0] smpboot_thread_fn+0x4b0/0x964 [ 54.915558][ C0] kthread+0x250/0x2d8 [ 54.916352][ C0] ret_from_fork+0x10/0x20 [ 54.917217][ C0] irq event stamp: 366737 [ 54.918095][ C0] hardirqs last enabled at (366736): [] folio_memcg_lock+0xe8/0x1f4 [ 54.920001][ C0] hardirqs last disabled at (366737): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 54.922055][ C0] softirqs last enabled at (366712): [] handle_softirqs+0xaec/0xc60 [ 54.923968][ C0] softirqs last disabled at (366717): [] run_ksoftirqd+0x7c/0x2ac [ 54.925766][ C0] ---[ end trace 0000000000000000 ]---