Warning: Permanently added '10.128.0.52' (ED25519) to the list of known hosts. 1970/01/01 00:00:25 parsed 1 programs [ 26.969695][ T4325] cgroup: Unknown subsys name 'net' [ 27.206749][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 27.478741][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 34.440441][ T1577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.441705][ T1577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.444459][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 34.451253][ T1577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.452476][ T1577] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.455772][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 34.830896][ T4372] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 34.832384][ T4372] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 34.833998][ T4372] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 34.835482][ T4372] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 34.836874][ T4372] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 34.838129][ T4372] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 34.963839][ T4378] chnl_net:caif_netlink_parms(): no params data found [ 34.981800][ T4378] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.983026][ T4378] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.986277][ T4378] device bridge_slave_0 entered promiscuous mode [ 34.988519][ T4378] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.989655][ T4378] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.991136][ T4378] device bridge_slave_1 entered promiscuous mode [ 35.048271][ T4378] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.050893][ T4378] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.058243][ T4378] team0: Port device team_slave_0 added [ 35.060432][ T4378] team0: Port device team_slave_1 added [ 35.073034][ T4378] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.074310][ T4378] 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. [ 35.078195][ T4378] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.081015][ T4378] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.082083][ T4378] 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. [ 35.086547][ T4378] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.145078][ T4378] device hsr_slave_0 entered promiscuous mode [ 35.183597][ T4378] device hsr_slave_1 entered promiscuous mode [ 35.261198][ T4378] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.294514][ T4378] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.324777][ T4378] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.365053][ T4378] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.436630][ T4378] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.440498][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.442144][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.445874][ T4378] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.448117][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.449747][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.451682][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.452779][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.455016][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.457640][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.459304][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.460671][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.461834][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.467335][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 35.470111][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.472751][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 35.475647][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.477199][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.480445][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 35.482114][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.487219][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.488756][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.491437][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.493031][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.496365][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.548986][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.550250][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.553608][ T4378] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.559473][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.566000][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.567893][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.569387][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.571658][ T4378] device veth0_vlan entered promiscuous mode [ 35.575403][ T4378] device veth1_vlan entered promiscuous mode [ 35.581909][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.583799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.585409][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.588172][ T4378] device veth0_macvtap entered promiscuous mode [ 35.590543][ T4378] device veth1_macvtap entered promiscuous mode [ 35.598708][ T4378] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.599977][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.601563][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 35.603198][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.606727][ T4378] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.607964][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 35.609499][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.611992][ T4378] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.614336][ T4378] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.615751][ T4378] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.617134][ T4378] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:36 executed programs: 0 [ 36.587426][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.588901][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.590484][ T4374] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.592244][ T4374] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.594268][ T4374] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.595577][ T4374] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.876609][ T4435] chnl_net:caif_netlink_parms(): no params data found [ 36.893866][ T4435] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.895168][ T4435] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.896540][ T4435] device bridge_slave_0 entered promiscuous mode [ 36.898531][ T4435] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.899834][ T4435] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.901369][ T4435] device bridge_slave_1 entered promiscuous mode [ 36.909677][ T4435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.912138][ T4435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.015438][ T4435] team0: Port device team_slave_0 added [ 37.017623][ T4435] team0: Port device team_slave_1 added [ 37.254020][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.255163][ T4435] 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. [ 37.259336][ T4435] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.300913][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.302079][ T4435] 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. [ 37.306562][ T4435] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.354514][ T4435] device hsr_slave_0 entered promiscuous mode [ 37.404045][ T4435] device hsr_slave_1 entered promiscuous mode [ 37.443555][ T4435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 37.444954][ T4435] Cannot create hsr debugfs directory [ 37.534981][ T4435] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.643672][ T4372] Bluetooth: hci0: command 0x0409 tx timeout [ 40.723839][ T4372] Bluetooth: hci0: command 0x041b tx timeout [ 41.074566][ T4435] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.304858][ T4435] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.395997][ T4435] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.645297][ T4435] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.694551][ T4435] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.796129][ T4435] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.834484][ T4435] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.974326][ T4435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.977758][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.979239][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.981619][ T4435] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.984373][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.986018][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.987430][ T1577] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.988557][ T1577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.990035][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.992508][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.995316][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.996721][ T1577] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.997858][ T1577] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.056589][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.059392][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.062019][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.064607][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.066556][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.069066][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.070800][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.074617][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.076088][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.078620][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.080070][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.082348][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.200201][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.201515][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.205310][ T4435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.210668][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.212222][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.218341][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.219877][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.221553][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.223032][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.279063][ T4435] device veth0_vlan entered promiscuous mode [ 42.282110][ T4435] device veth1_vlan entered promiscuous mode [ 42.289041][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.290750][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.292210][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.294810][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.297303][ T4435] device veth0_macvtap entered promiscuous mode [ 42.299939][ T4435] device veth1_macvtap entered promiscuous mode [ 42.304507][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 42.306188][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 42.308211][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.309498][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.311092][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.312497][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.314183][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.316869][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 42.318561][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 42.320657][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.321837][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.323655][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.326361][ T4435] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.327779][ T4435] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.329305][ T4435] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.330733][ T4435] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.400746][ T1577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.403183][ T1577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.405086][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.410831][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.412141][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.415263][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.517554][ T244] device hsr_slave_0 left promiscuous mode [ 42.563772][ T244] device hsr_slave_1 left promiscuous mode [ 42.565585][ T4458] loop0: detected capacity change from 0 to 32768 [ 42.572322][ T4458] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.574302][ T4458] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.583830][ T4458] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.586364][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.587398][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.602121][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 42.604683][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.605661][ T4458] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.654110][ T244] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 42.655383][ T244] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 42.658144][ T244] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 42.659281][ T244] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 42.660585][ T244] device bridge_slave_1 left promiscuous mode [ 42.662085][ T244] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.704095][ T244] device bridge_slave_0 left promiscuous mode [ 42.705193][ T244] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.727317][ T4435] ------------[ cut here ]------------ [ 42.728245][ T4435] WARNING: CPU: 1 PID: 4435 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 42.729774][ T4435] Modules linked in: [ 42.730415][ T4435] CPU: 1 PID: 4435 Comm: syz-executor Not tainted syzkaller #0 [ 42.731641][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 42.733208][ T4435] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.734558][ T4435] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 42.735374][ T4435] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 42.736206][ T4435] sp : ffff8000214276e0 [ 42.736847][ T4435] x29: ffff800021427700 x28: 1fffff80006a6e98 x27: dfff800000000000 [ 42.738042][ T4435] x26: 0000000000000000 x25: ffff0000c54d3e90 x24: 0000000000000001 [ 42.739193][ T4435] x23: 0000000000000000 x22: fffffc00035374c8 x21: 1fffe00018a9a7d2 [ 42.740408][ T4435] x20: ffff0000d7e3a250 x19: fffffc00035374c0 x18: ffff800011b8bf60 [ 42.741610][ T4435] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 42.742829][ T4435] x14: 0000000000000001 x13: 1fffe00018a9a7d2 x12: 0000000000ff0100 [ 42.744129][ T4435] x11: ff00800008708b70 x10: 0000000000000000 x9 : ffff800008708b70 [ 42.745406][ T4435] x8 : ffff0000c73a5340 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.746572][ T4435] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a56aa8 [ 42.747781][ T4435] x2 : ffff0000cedb6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.749075][ T4435] Call trace: [ 42.749609][ T4435] __folio_mark_dirty+0x8a0/0xcd8 [ 42.750394][ T4435] mark_buffer_dirty+0x2b8/0x5c0 [ 42.751159][ T4435] gfs2_unpin+0x120/0x8fc [ 42.751912][ T4435] buf_lo_after_commit+0x140/0x188 [ 42.752776][ T4435] gfs2_log_flush+0xc00/0x1b20 [ 42.753579][ T4435] gfs2_kill_sb+0x5c/0xd4 [ 42.754291][ T4435] deactivate_locked_super+0xac/0x120 [ 42.755164][ T4435] deactivate_super+0xe4/0x104 [ 42.755909][ T4435] cleanup_mnt+0x390/0x418 [ 42.756624][ T4435] __cleanup_mnt+0x20/0x30 [ 42.757289][ T4435] task_work_run+0x1ec/0x278 [ 42.758021][ T4435] do_notify_resume+0x1fa0/0x2aa4 [ 42.758806][ T4435] el0_svc+0x98/0x128 [ 42.759438][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 42.760237][ T4435] el0t_64_sync+0x18c/0x190 [ 42.760960][ T4435] irq event stamp: 160570 [ 42.761629][ T4435] hardirqs last enabled at (160569): [] folio_memcg_lock+0xe8/0x1f4 [ 42.763090][ T4435] hardirqs last disabled at (160570): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.764764][ T4435] softirqs last enabled at (160452): [] local_bh_enable+0x10/0x34 [ 42.766435][ T4435] softirqs last disabled at (160450): [] local_bh_disable+0x10/0x34 [ 42.768042][ T4435] ---[ end trace 0000000000000000 ]--- [ 42.773672][ T4435] ------------[ cut here ]------------ [ 42.774572][ T4435] WARNING: CPU: 0 PID: 4435 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 42.776063][ T4435] Modules linked in: [ 42.776612][ T4435] CPU: 0 PID: 4435 Comm: syz-executor Tainted: G W syzkaller #0 [ 42.777873][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 42.779190][ T4435] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.780274][ T4435] pc : __folio_start_writeback+0x88c/0xa7c [ 42.781103][ T4435] lr : __folio_start_writeback+0x88c/0xa7c [ 42.782039][ T4435] sp : ffff800021427180 [ 42.782624][ T4435] x29: ffff800021427260 x28: dfff800000000000 x27: 0000000000000000 [ 42.783939][ T4435] x26: ffff700004284e38 x25: 0000000000000000 x24: ffff0000d7e3a250 [ 42.785242][ T4435] x23: ffff8000214271e0 x22: ffff0000c54d3ce8 x21: 0000000000000001 [ 42.786411][ T4435] x20: fffffc00035374c8 x19: fffffc00035374c0 x18: ffff800011b8bf60 [ 42.787642][ T4435] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: 0000000000000000 [ 42.789040][ T4435] x14: 0000000000000001 x13: 1fffff80006a6e98 x12: 0000000000ff0100 [ 42.790347][ T4435] x11: ff0080000870b07c x10: 0000000000000000 x9 : ffff80000870b07c [ 42.791583][ T4435] x8 : ffff0000c73a5340 x7 : ffff80000870aae8 x6 : 0000000000000000 [ 42.792752][ T4435] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870ab28 [ 42.794012][ T4435] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.795281][ T4435] Call trace: [ 42.795754][ T4435] __folio_start_writeback+0x88c/0xa7c [ 42.796555][ T4435] set_page_writeback+0x5c/0x7c [ 42.797268][ T4435] gfs2_aspace_writepage+0x514/0x6dc [ 42.798052][ T4435] __gfs2_writepage+0x70/0x184 [ 42.798757][ T4435] write_cache_pages+0x74c/0xde8 [ 42.799495][ T4435] gfs2_ail1_flush+0x7c4/0xa14 [ 42.800208][ T4435] empty_ail1_list+0x130/0x214 [ 42.800924][ T4435] gfs2_log_flush+0x12b4/0x1b20 [ 42.801707][ T4435] gfs2_kill_sb+0x5c/0xd4 [ 42.802336][ T4435] deactivate_locked_super+0xac/0x120 [ 42.803182][ T4435] deactivate_super+0xe4/0x104 [ 42.803845][ T4435] cleanup_mnt+0x390/0x418 [ 42.804582][ T4435] __cleanup_mnt+0x20/0x30 [ 42.805274][ T4435] task_work_run+0x1ec/0x278 [ 42.805992][ T4435] do_notify_resume+0x1fa0/0x2aa4 [ 42.806786][ T4435] el0_svc+0x98/0x128 [ 42.807385][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 42.808135][ T4435] el0t_64_sync+0x18c/0x190 [ 42.808806][ T4435] irq event stamp: 160636 [ 42.809546][ T4435] hardirqs last enabled at (160635): [] folio_memcg_lock+0xe8/0x1f4 [ 42.811104][ T4435] hardirqs last disabled at (160636): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.812609][ T4435] softirqs last enabled at (160614): [] handle_softirqs+0xaec/0xc60 [ 42.814053][ T4435] softirqs last disabled at (160573): [] __do_softirq+0x14/0x20 [ 42.815414][ T4435] ---[ end trace 0000000000000000 ]--- [ 42.816715][ T4372] Bluetooth: hci0: command 0x040f tx timeout [ 42.826796][ C1] ------------[ cut here ]------------ [ 42.827794][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 42.829403][ C1] Modules linked in: [ 42.830022][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 42.831329][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 42.832900][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.834119][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 42.834942][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 42.835790][ C1] sp : ffff80001ca87970 [ 42.836446][ C1] x29: ffff80001ca87990 x28: dfff800000000000 x27: ffff0000c54d3ce8 [ 42.837758][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006a22c0 [ 42.839027][ C1] x23: 0000000000000001 x22: ffff0000d7e382a0 x21: ffff0000d7e382a8 [ 42.840346][ C1] x20: 0000000000000001 x19: fffffc0003511600 x18: ffff800011b8bf60 [ 42.841693][ C1] x17: 1fffe00033eac97e x16: ffff8000082d7ca0 x15: 0000000000000000 [ 42.843105][ C1] x14: 0000000000000003 x13: 1ffff00003950f20 x12: 0000000000ff0100 [ 42.844455][ C1] x11: ff0080000870a5f4 x10: 0000000000000000 x9 : ffff80000870a5f4 [ 42.845681][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.847051][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 42.848442][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.849879][ C1] Call trace: [ 42.850418][ C1] __folio_end_writeback+0x7d0/0x9cc [ 42.851328][ C1] folio_end_writeback+0x12c/0x410 [ 42.852129][ C1] end_page_writeback+0x58/0x74 [ 42.852865][ C1] end_buffer_async_write+0x32c/0x4f4 [ 42.853750][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 42.854558][ C1] bio_endio+0x750/0x794 [ 42.855278][ C1] blk_update_request+0x49c/0xbec [ 42.856110][ C1] blk_mq_end_request+0x54/0x88 [ 42.856919][ C1] lo_complete_rq+0x1ec/0x250 [ 42.857675][ C1] blk_done_softirq+0x11c/0x168 [ 42.858526][ C1] handle_softirqs+0x318/0xc60 [ 42.859326][ C1] run_ksoftirqd+0x7c/0x2ac [ 42.860011][ C1] smpboot_thread_fn+0x4b0/0x964 [ 42.860833][ C1] kthread+0x250/0x2d8 [ 42.861480][ C1] ret_from_fork+0x10/0x20 [ 42.862215][ C1] irq event stamp: 417749 [ 42.862901][ C1] hardirqs last enabled at (417748): [] folio_memcg_lock+0xe8/0x1f4 [ 42.864333][ C1] hardirqs last disabled at (417749): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.865902][ C1] softirqs last enabled at (417738): [] handle_softirqs+0xaec/0xc60 [ 42.867555][ C1] softirqs last disabled at (417743): [] run_ksoftirqd+0x7c/0x2ac [ 42.869141][ C1] ---[ end trace 0000000000000000 ]--- [ 42.974857][ T244] device veth1_macvtap left promiscuous mode [ 42.976121][ T244] device veth0_macvtap left promiscuous mode [ 42.977190][ T244] device veth1_vlan left promiscuous mode [ 42.978233][ T244] device veth0_vlan left promiscuous mode