Warning: Permanently added '10.128.0.28' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.377157][ T4338] cgroup: Unknown subsys name 'net' [ 32.601761][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.865509][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.194400][ T4372] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.196048][ T4372] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.197614][ T4371] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.200213][ T4371] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.201624][ T4371] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.202903][ T4371] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.429095][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.430545][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.432629][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.441481][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.442869][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.444505][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 41.066704][ T4425] chnl_net:caif_netlink_parms(): no params data found [ 41.084431][ T4425] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.085648][ T4425] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.087244][ T4425] device bridge_slave_0 entered promiscuous mode [ 41.091414][ T4425] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.092683][ T4425] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.094248][ T4425] device bridge_slave_1 entered promiscuous mode [ 41.101215][ T4425] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.104053][ T4425] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.110837][ T4425] team0: Port device team_slave_0 added [ 41.112581][ T4425] team0: Port device team_slave_1 added [ 41.117660][ T4425] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.118861][ T4425] 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. [ 41.123597][ T4425] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.126287][ T4425] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.127559][ T4425] 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. [ 41.132291][ T4425] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.190646][ T4425] device hsr_slave_0 entered promiscuous mode [ 41.239161][ T4425] device hsr_slave_1 entered promiscuous mode [ 41.333418][ T4425] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.360275][ T4425] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.420538][ T4425] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.468222][ T4425] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.530634][ T4425] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.534226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.536029][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.538732][ T4425] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.543287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.544844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.546511][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.547728][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.550473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.561281][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.562835][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.564564][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.565717][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.568248][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.571646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.574255][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.576036][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.577618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.591511][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.593322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.596906][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.598434][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.602678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.604225][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.606969][ T4425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.661255][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.662668][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.666247][ T4425] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.672847][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.674650][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.680907][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.682551][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.684332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.685666][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.687840][ T4425] device veth0_vlan entered promiscuous mode [ 41.691304][ T4425] device veth1_vlan entered promiscuous mode [ 41.698784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.701423][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.703071][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.712054][ T4425] device veth0_macvtap entered promiscuous mode [ 41.714530][ T4425] device veth1_macvtap entered promiscuous mode [ 41.720331][ T4425] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.721673][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.723426][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.725020][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.727735][ T4425] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.729842][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.731496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.734265][ T4425] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.735747][ T4425] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.737092][ T4425] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.738516][ T4425] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:42 executed programs: 0 [ 42.261059][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.262681][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.264139][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.265708][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.267157][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.268438][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.609820][ T4445] chnl_net:caif_netlink_parms(): no params data found [ 42.685148][ T4445] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.686484][ T4445] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.687943][ T4445] device bridge_slave_0 entered promiscuous mode [ 42.690088][ T4445] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.691292][ T4445] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.692882][ T4445] device bridge_slave_1 entered promiscuous mode [ 42.699944][ T4445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.702329][ T4445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.708470][ T4445] team0: Port device team_slave_0 added [ 42.710617][ T4445] team0: Port device team_slave_1 added [ 42.716506][ T4445] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.717703][ T4445] 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. [ 42.722523][ T4445] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.724836][ T4445] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.725897][ T4445] 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. [ 42.730137][ T4445] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.940144][ T4445] device hsr_slave_0 entered promiscuous mode [ 42.979167][ T4445] device hsr_slave_1 entered promiscuous mode [ 43.029056][ T4445] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.030398][ T4445] Cannot create hsr debugfs directory [ 43.310500][ T4445] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.329633][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 45.910526][ T4445] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.409204][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 47.139751][ T4445] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.230890][ T4445] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.456539][ T4445] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.563760][ T4445] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.620177][ T4445] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.715028][ T4445] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.810459][ T4445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.813963][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.815513][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.817907][ T4445] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.820726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.822382][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.823852][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.825034][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.826453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.828896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.831130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.832624][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.833756][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.873583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.876671][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.880576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.882488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.884115][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.886471][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.887998][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.891837][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.893431][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.896030][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.897541][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.900774][ T4445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.968341][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.969885][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.973067][ T4445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.978128][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.981063][ T1586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.985325][ T59] device hsr_slave_0 left promiscuous mode [ 48.009356][ T59] device hsr_slave_1 left promiscuous mode [ 48.089148][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 48.090311][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 48.092059][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 48.093359][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 48.094902][ T59] device bridge_slave_1 left promiscuous mode [ 48.096443][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.129706][ T59] device bridge_slave_0 left promiscuous mode [ 48.130802][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.249563][ T59] device veth1_macvtap left promiscuous mode [ 48.250753][ T59] device veth0_macvtap left promiscuous mode [ 48.251826][ T59] device veth1_vlan left promiscuous mode [ 48.252848][ T59] device veth0_vlan left promiscuous mode [ 48.488983][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 50.310180][ T59] team0 (unregistering): Port device team_slave_1 removed [ 50.479618][ T59] team0 (unregistering): Port device team_slave_0 removed [ 50.568992][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 50.649510][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.861068][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.449836][ T59] bond0 (unregistering): Released all slaves [ 52.762510][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.764118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.765780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.767270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.769630][ T4445] device veth0_vlan entered promiscuous mode [ 52.772795][ T4445] device veth1_vlan entered promiscuous mode [ 52.778737][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.780720][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.782258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.783814][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.786255][ T4445] device veth0_macvtap entered promiscuous mode [ 52.788568][ T4445] device veth1_macvtap entered promiscuous mode [ 52.795557][ T4445] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.796977][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.798594][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.800487][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.802055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.804910][ T4445] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.806251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.807906][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.813551][ T4445] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.815010][ T4445] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.816366][ T4445] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.817851][ T4445] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.839794][ T4447] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.841213][ T4447] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.843546][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.845673][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.847039][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.848629][ T4447] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.019403][ T4470] loop0: detected capacity change from 0 to 32768 [ 53.023394][ T4470] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 53.024773][ T4470] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 53.037463][ T4470] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 53.041157][ T4418] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 53.042372][ T4418] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 53.055809][ T4418] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 53.058694][ T4418] gfs2: fsid=syz:syz.0: jid=0: Done [ 53.059884][ T4470] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 53.187324][ T4445] ------------[ cut here ]------------ [ 53.188471][ T4445] WARNING: CPU: 0 PID: 4445 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 53.190279][ T4445] Modules linked in: [ 53.190953][ T4445] CPU: 0 PID: 4445 Comm: syz-executor Not tainted syzkaller #0 [ 53.192281][ T4445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.193996][ T4445] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.195252][ T4445] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 53.196124][ T4445] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 53.197022][ T4445] sp : ffff800020a176a0 [ 53.197706][ T4445] x29: ffff800020a176c0 x28: 1fffff800066f040 x27: dfff800000000000 [ 53.199015][ T4445] x26: 0000000000000000 x25: ffff0000c049c998 x24: 0000000000000001 [ 53.200345][ T4445] x23: 0000000000000000 x22: fffffc0003378208 x21: 1fffe00018093933 [ 53.201706][ T4445] x20: ffff0000decd6250 x19: fffffc0003378200 x18: ffff800011babf60 [ 53.203051][ T4445] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 53.204439][ T4445] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000ff0100 [ 53.205760][ T4445] x11: ff0080000870ac38 x10: 0000000000000000 x9 : ffff80000870ac38 [ 53.207108][ T4445] x8 : ffff0000dc338000 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.208505][ T4445] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a595a0 [ 53.209836][ T4445] x2 : ffff0000cf0e0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.211159][ T4445] Call trace: [ 53.211680][ T4445] __folio_mark_dirty+0x8a0/0xcd8 [ 53.212478][ T4445] mark_buffer_dirty+0x2b8/0x5c0 [ 53.213253][ T4445] gfs2_unpin+0x120/0x8fc [ 53.213985][ T4445] buf_lo_after_commit+0x140/0x188 [ 53.214818][ T4445] __gfs2_log_flush+0x1290/0x1b38 [ 53.215603][ T4445] gfs2_log_flush+0x3c/0x58 [ 53.216358][ T4445] gfs2_kill_sb+0x5c/0xd4 [ 53.217093][ T4445] deactivate_locked_super+0xac/0x120 [ 53.218002][ T4445] deactivate_super+0xe4/0x104 [ 53.218800][ T4445] cleanup_mnt+0x390/0x418 [ 53.219559][ T4445] __cleanup_mnt+0x20/0x30 [ 53.220264][ T4445] task_work_run+0x1ec/0x278 [ 53.221007][ T4445] do_notify_resume+0x1fa0/0x2aa4 [ 53.221817][ T4445] el0_svc+0x98/0x128 [ 53.222475][ T4445] el0t_64_sync_handler+0x84/0xf0 [ 53.223355][ T4445] el0t_64_sync+0x18c/0x190 [ 53.224084][ T4445] irq event stamp: 162190 [ 53.224808][ T4445] hardirqs last enabled at (162189): [] folio_memcg_lock+0xe8/0x1f4 [ 53.226361][ T4445] hardirqs last disabled at (162190): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.228062][ T4445] softirqs last enabled at (162076): [] local_bh_enable+0x10/0x34 [ 53.229636][ T4445] softirqs last disabled at (162074): [] local_bh_disable+0x10/0x34 [ 53.231233][ T4445] ---[ end trace 0000000000000000 ]--- [ 53.234570][ T4445] ------------[ cut here ]------------ [ 53.235504][ T4445] WARNING: CPU: 1 PID: 4445 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 53.237305][ T4445] Modules linked in: [ 53.237957][ T4445] CPU: 1 PID: 4445 Comm: syz-executor Tainted: G W syzkaller #0 [ 53.239489][ T4445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.241223][ T4445] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.242511][ T4445] pc : __folio_start_writeback+0x88c/0xa7c [ 53.243508][ T4445] lr : __folio_start_writeback+0x88c/0xa7c [ 53.244504][ T4445] sp : ffff800020a17140 [ 53.245187][ T4445] x29: ffff800020a17220 x28: dfff800000000000 x27: 0000000000000000 [ 53.246562][ T4445] x26: ffff700004142e30 x25: 0000000000000000 x24: ffff0000decd6250 [ 53.247958][ T4445] x23: ffff800020a171a0 x22: ffff0000c049c7f0 x21: 0000000000000001 [ 53.249331][ T4445] x20: fffffc0003378208 x19: fffffc0003378200 x18: ffff800011babf60 [ 53.250658][ T4445] x17: ffff800018381000 x16: ffff8000082d8944 x15: 0000000000000000 [ 53.252034][ T4445] x14: 0000000000000001 x13: 1fffff800066f040 x12: 0000000000ff0100 [ 53.253393][ T4445] x11: ff0080000870d144 x10: 0000000000000000 x9 : ffff80000870d144 [ 53.254781][ T4445] x8 : ffff0000dc338000 x7 : ffff80000870cbb0 x6 : 0000000000000000 [ 53.256173][ T4445] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870cbf0 [ 53.257525][ T4445] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.258831][ T4445] Call trace: [ 53.259382][ T4445] __folio_start_writeback+0x88c/0xa7c [ 53.260222][ T4445] set_page_writeback+0x5c/0x7c [ 53.261057][ T4445] gfs2_aspace_writepage+0x514/0x6dc [ 53.262004][ T4445] __gfs2_writepage+0x70/0x184 [ 53.262806][ T4445] write_cache_pages+0x74c/0xde8 [ 53.263597][ T4445] gfs2_ail1_flush+0x7c4/0xa14 [ 53.264395][ T4445] empty_ail1_list+0x130/0x214 [ 53.265194][ T4445] __gfs2_log_flush+0x1568/0x1b38 [ 53.266071][ T4445] gfs2_log_flush+0x3c/0x58 [ 53.266869][ T4445] gfs2_kill_sb+0x5c/0xd4 [ 53.267630][ T4445] deactivate_locked_super+0xac/0x120 [ 53.268580][ T4445] deactivate_super+0xe4/0x104 [ 53.269343][ T4445] cleanup_mnt+0x390/0x418 [ 53.270076][ T4445] __cleanup_mnt+0x20/0x30 [ 53.270835][ T4445] task_work_run+0x1ec/0x278 [ 53.271625][ T4445] do_notify_resume+0x1fa0/0x2aa4 [ 53.272511][ T4445] el0_svc+0x98/0x128 [ 53.273202][ T4445] el0t_64_sync_handler+0x84/0xf0 [ 53.274078][ T4445] el0t_64_sync+0x18c/0x190 [ 53.274824][ T4445] irq event stamp: 162230 [ 53.275529][ T4445] hardirqs last enabled at (162229): [] folio_memcg_lock+0xe8/0x1f4 [ 53.277286][ T4445] hardirqs last disabled at (162230): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.278984][ T4445] softirqs last enabled at (162208): [] handle_softirqs+0xaec/0xc60 [ 53.280600][ T4445] softirqs last disabled at (162193): [] __do_softirq+0x14/0x20 [ 53.282129][ T4445] ---[ end trace 0000000000000000 ]--- [ 53.286726][ C1] ------------[ cut here ]------------ [ 53.287750][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 53.289411][ C1] Modules linked in: [ 53.290033][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 53.291562][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.293252][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.294607][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 53.295561][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 53.296494][ C1] sp : ffff80001cac7970 [ 53.297173][ C1] x29: ffff80001cac7990 x28: dfff800000000000 x27: ffff0000c049c7f0 [ 53.298546][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006de260 [ 53.299924][ C1] x23: 0000000000000001 x22: ffff0000decd42a0 x21: ffff0000decd42a8 [ 53.301303][ C1] x20: 0000000000000001 x19: fffffc00036f1300 x18: ffff800011babf60 [ 53.302625][ C1] x17: 1fffe00033ea397e x16: ffff8000082d8944 x15: 0000000000000000 [ 53.303945][ C1] x14: 0000000000000003 x13: 1ffff00003958f20 x12: 0000000000ff0100 [ 53.305270][ C1] x11: ff0080000870c6bc x10: 0000000000000000 x9 : ffff80000870c6bc [ 53.306664][ C1] x8 : ffff0000c0a51c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.307958][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 53.309323][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.310725][ C1] Call trace: [ 53.311283][ C1] __folio_end_writeback+0x7d0/0x9cc [ 53.312217][ C1] folio_end_writeback+0x12c/0x410 [ 53.313086][ C1] end_page_writeback+0x58/0x74 [ 53.313940][ C1] end_buffer_async_write+0x32c/0x4f4 [ 53.314819][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 53.315616][ C1] bio_endio+0x750/0x794 [ 53.316303][ C1] blk_update_request+0x49c/0xbec [ 53.317113][ C1] blk_mq_end_request+0x54/0x88 [ 53.317952][ C1] lo_complete_rq+0x1ec/0x250 [ 53.318774][ C1] blk_done_softirq+0x11c/0x168 [ 53.319603][ C1] handle_softirqs+0x318/0xc60 [ 53.320436][ C1] run_ksoftirqd+0x7c/0x2ac [ 53.321158][ C1] smpboot_thread_fn+0x4b0/0x964 [ 53.321969][ C1] kthread+0x250/0x2d8 [ 53.322638][ C1] ret_from_fork+0x10/0x20 [ 53.323411][ C1] irq event stamp: 373001 [ 53.324169][ C1] hardirqs last enabled at (373000): [] folio_memcg_lock+0xe8/0x1f4 [ 53.325852][ C1] hardirqs last disabled at (373001): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.327517][ C1] softirqs last enabled at (372990): [] handle_softirqs+0xaec/0xc60 [ 53.329107][ C1] softirqs last disabled at (372995): [] run_ksoftirqd+0x7c/0x2ac [ 53.330717][ C1] ---[ end trace 0000000000000000 ]---