Warning: Permanently added '10.128.0.247' (ED25519) to the list of known hosts. 1970/01/01 00:00:34 parsed 1 programs [ 35.393409][ T4325] cgroup: Unknown subsys name 'net' [ 35.608420][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.859858][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.288280][ T4361] chnl_net:caif_netlink_parms(): no params data found [ 40.306728][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.307970][ T4361] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.309414][ T4361] device bridge_slave_0 entered promiscuous mode [ 40.311640][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.312816][ T4361] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.314177][ T4361] device bridge_slave_1 entered promiscuous mode [ 40.320542][ T4361] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.322837][ T4361] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.331285][ T4361] team0: Port device team_slave_0 added [ 40.332948][ T4361] team0: Port device team_slave_1 added [ 40.338054][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.339151][ T4361] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.343286][ T4361] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.345719][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.346993][ T4361] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.351276][ T4361] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.396970][ T4361] device hsr_slave_0 entered promiscuous mode [ 40.436014][ T4361] device hsr_slave_1 entered promiscuous mode [ 40.510724][ T4361] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.538147][ T4361] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.598904][ T4361] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.638466][ T4361] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.735619][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.736862][ T4361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.738171][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.739283][ T4361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.757081][ T4361] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.760996][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.763702][ T249] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.765604][ T249] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.770220][ T4361] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.774646][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.776360][ T249] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.777437][ T249] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.780322][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.781799][ T249] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.782940][ T249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.789516][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.791071][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.793927][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.797592][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.800456][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.803475][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.857303][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.858621][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.861860][ T4361] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.868010][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.873460][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.875115][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.881951][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.884115][ T4361] device veth0_vlan entered promiscuous mode [ 40.888910][ T4361] device veth1_vlan entered promiscuous mode [ 40.895037][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.896869][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.898394][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.900516][ T4361] device veth0_macvtap entered promiscuous mode [ 40.902765][ T4361] device veth1_macvtap entered promiscuous mode [ 40.909203][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.910448][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.912315][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.915142][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.916713][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.919241][ T4361] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.920661][ T4361] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.922053][ T4361] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.923523][ T4361] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.251746][ T4402] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.253252][ T4402] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.254518][ T4402] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.256604][ T4402] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.257965][ T4402] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.259211][ T4402] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.108821][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.134378][ T4362] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.135688][ T4362] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.139408][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.144783][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.146369][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.147809][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:42 executed programs: 0 [ 42.336840][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.338455][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.339899][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.341579][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.342928][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.344073][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.385366][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 42.400400][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.401509][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.402927][ T4427] device bridge_slave_0 entered promiscuous mode [ 42.404566][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.405631][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.412662][ T4427] device bridge_slave_1 entered promiscuous mode [ 42.420283][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.422665][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.430779][ T4427] team0: Port device team_slave_0 added [ 42.432383][ T4427] team0: Port device team_slave_1 added [ 42.437729][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.438733][ T4427] 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. [ 42.442717][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.444907][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.446227][ T4427] 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. [ 42.450597][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.506913][ T4427] device hsr_slave_0 entered promiscuous mode [ 42.546018][ T4427] device hsr_slave_1 entered promiscuous mode [ 42.585941][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.587201][ T4427] Cannot create hsr debugfs directory [ 44.146909][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.406278][ T4402] Bluetooth: hci0: command 0x0409 tx timeout [ 46.485914][ T4402] Bluetooth: hci0: command 0x041b tx timeout [ 46.597075][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.678449][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.720146][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.847794][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.886944][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.967397][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.076326][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.079690][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.081252][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.083754][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.087489][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.089007][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.090482][ T249] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.091606][ T249] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.092934][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.095330][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.097399][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.098691][ T249] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.099792][ T249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.149224][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.152037][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.154532][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.156486][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.158022][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.160541][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.162094][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.164574][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.166199][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.169774][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.171323][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.173435][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.272407][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.273659][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.277245][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.282725][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.284292][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.291545][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.292980][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.294495][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.295880][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.297989][ T4427] device veth0_vlan entered promiscuous mode [ 48.301048][ T4427] device veth1_vlan entered promiscuous mode [ 48.348779][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.350427][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.351894][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.353350][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.355748][ T4427] device veth0_macvtap entered promiscuous mode [ 48.358191][ T4427] device veth1_macvtap entered promiscuous mode [ 48.363096][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 48.364621][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.366571][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.367680][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.369154][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.370654][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.372057][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.374147][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 48.375635][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.377604][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.378776][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.380325][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.382755][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.384078][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.385448][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.387349][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.391601][ T9] device hsr_slave_0 left promiscuous mode [ 48.446185][ T9] device hsr_slave_1 left promiscuous mode [ 48.545914][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 48.547178][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 48.550069][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 48.551240][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 48.552585][ T9] device bridge_slave_1 left promiscuous mode [ 48.553862][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.565849][ T4402] Bluetooth: hci0: command 0x040f tx timeout [ 48.586403][ T9] device bridge_slave_0 left promiscuous mode [ 48.587373][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.706100][ T9] device veth1_macvtap left promiscuous mode [ 48.707118][ T9] device veth0_macvtap left promiscuous mode [ 48.708082][ T9] device veth1_vlan left promiscuous mode [ 48.709080][ T9] device veth0_vlan left promiscuous mode [ 50.645928][ T4402] Bluetooth: hci0: command 0x0419 tx timeout [ 50.987706][ T9] team0 (unregistering): Port device team_slave_1 removed [ 51.186433][ T9] team0 (unregistering): Port device team_slave_0 removed [ 51.376297][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.617169][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.187296][ T9] bond0 (unregistering): Released all slaves [ 53.538996][ T4516] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.540291][ T4516] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.545000][ T4516] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.547788][ T4362] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.548939][ T4362] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.550275][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.699615][ T4518] loop0: detected capacity change from 0 to 32768 [ 53.708380][ T4518] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 53.709679][ T4518] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 53.720306][ T4518] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 53.723597][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 53.724762][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 53.741605][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 16ms [ 53.743949][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 53.745067][ T4518] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 53.797236][ T4518] gfs2: fsid=syz:syz.0: found 1 quota changes [ 53.817385][ T4427] ------------[ cut here ]------------ [ 53.818293][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 53.819926][ T4427] Modules linked in: [ 53.820521][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 53.821795][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.823425][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.824655][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 53.825541][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 53.826488][ T4427] sp : ffff800020b573c0 [ 53.827163][ T4427] x29: ffff800020b573e0 x28: 1fffff80006e9eb0 x27: dfff800000000000 [ 53.828467][ T4427] x26: 0000000000000000 x25: ffff0000c0493390 x24: 0000000000000001 [ 53.829730][ T4427] x23: 0000000000000000 x22: fffffc000374f588 x21: 1fffe00018092672 [ 53.831116][ T4427] x20: ffff0000d2172250 x19: fffffc000374f580 x18: ffff800011b8bf60 [ 53.832412][ T4427] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 53.833673][ T4427] x14: 0000000000000001 x13: 1fffe00018092672 x12: 0000000000ff0100 [ 53.834966][ T4427] x11: ff00800008708b70 x10: 0000000000000000 x9 : ffff800008708b70 [ 53.836369][ T4427] x8 : ffff0000da415340 x7 : ffff800008708314 x6 : 0000000000000000 [ 53.837763][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a56aa8 [ 53.839074][ T4427] x2 : ffff0000cedda060 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.840324][ T4427] Call trace: [ 53.840889][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 53.841827][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 53.842643][ T4427] gfs2_unpin+0x120/0x8fc [ 53.843313][ T4427] buf_lo_after_commit+0x140/0x188 [ 53.844135][ T4427] gfs2_log_flush+0xc00/0x1b20 [ 53.844929][ T4427] do_sync+0x8cc/0xaec [ 53.845630][ T4427] gfs2_quota_sync+0x2cc/0x500 [ 53.846412][ T4427] gfs2_sync_fs+0x4c/0xc4 [ 53.847130][ T4427] sync_filesystem+0xe8/0x218 [ 53.847931][ T4427] generic_shutdown_super+0x70/0x324 [ 53.848742][ T4427] kill_block_super+0x70/0xdc [ 53.849469][ T4427] gfs2_kill_sb+0xc0/0xd4 [ 53.850137][ T4427] deactivate_locked_super+0xac/0x120 [ 53.850983][ T4427] deactivate_super+0xe4/0x104 [ 53.851757][ T4427] cleanup_mnt+0x390/0x418 [ 53.852456][ T4427] __cleanup_mnt+0x20/0x30 [ 53.853178][ T4427] task_work_run+0x1ec/0x278 [ 53.853916][ T4427] do_notify_resume+0x1fa0/0x2aa4 [ 53.854741][ T4427] el0_svc+0x98/0x128 [ 53.855428][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 53.856189][ T4427] el0t_64_sync+0x18c/0x190 [ 53.856935][ T4427] irq event stamp: 158252 [ 53.857646][ T4427] hardirqs last enabled at (158251): [] folio_memcg_lock+0xe8/0x1f4 [ 53.859282][ T4427] hardirqs last disabled at (158252): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.860937][ T4427] softirqs last enabled at (156660): [] local_bh_enable+0x10/0x34 [ 53.862506][ T4427] softirqs last disabled at (156658): [] local_bh_disable+0x10/0x34 [ 53.863954][ T4427] ---[ end trace 0000000000000000 ]--- [ 53.871018][ T11] ------------[ cut here ]------------ [ 53.872000][ T11] WARNING: CPU: 0 PID: 11 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 53.873569][ T11] Modules linked in: [ 53.874118][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Tainted: G W syzkaller #0 [ 53.875376][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.876989][ T11] Workqueue: writeback wb_workfn (flush-7:0) [ 53.877960][ T11] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.879258][ T11] pc : __folio_start_writeback+0x88c/0xa7c [ 53.880237][ T11] lr : __folio_start_writeback+0x88c/0xa7c [ 53.881208][ T11] sp : ffff80001c9d6c80 [ 53.881954][ T11] x29: ffff80001c9d6d60 x28: dfff800000000000 x27: 0000000000000000 [ 53.883173][ T11] x26: ffff70000393ad98 x25: 0000000000000000 x24: ffff0000d56f07e8 [ 53.884479][ T11] x23: ffff80001c9d6ce0 x22: ffff0000c04931e8 x21: 0000000000000001 [ 53.885831][ T11] x20: fffffc000347b488 x19: fffffc000347b480 x18: ffff800011b8bf60 [ 53.887284][ T11] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 53.888665][ T11] x14: 0000000000000001 x13: 1fffff800068f690 x12: 0000000000ff0100 [ 53.890038][ T11] x11: ff0080000870b07c x10: 0000000000000000 x9 : ffff80000870b07c [ 53.891311][ T11] x8 : ffff0000c09ab780 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.892642][ T11] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870ab28 [ 53.893925][ T11] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.895244][ T11] Call trace: [ 53.895793][ T11] __folio_start_writeback+0x88c/0xa7c [ 53.896694][ T11] set_page_writeback+0x5c/0x7c [ 53.897457][ T11] gfs2_aspace_writepage+0x514/0x6dc [ 53.898337][ T11] __writepage+0x70/0x184 [ 53.899035][ T11] write_cache_pages+0x74c/0xde8 [ 53.899786][ T11] do_writepages+0x318/0x504 [ 53.900497][ T11] filemap_fdatawrite_wbc+0x124/0x174 [ 53.901337][ T11] filemap_fdatawrite+0xd0/0x12c [ 53.902195][ T11] gfs2_write_inode+0x234/0x34c [ 53.902994][ T11] __writeback_single_inode+0x5e0/0x1554 [ 53.903983][ T11] writeback_sb_inodes+0x858/0x143c [ 53.904884][ T11] wb_writeback+0x414/0xfcc [ 53.905590][ T11] wb_workfn+0x360/0xe18 [ 53.906248][ T11] process_one_work+0x7f8/0x13a4 [ 53.907053][ T11] worker_thread+0x8c4/0xfec [ 53.907808][ T11] kthread+0x250/0x2d8 [ 53.908492][ T11] ret_from_fork+0x10/0x20 [ 53.909269][ T11] irq event stamp: 359516 [ 53.909966][ T11] hardirqs last enabled at (359515): [] folio_memcg_lock+0xe8/0x1f4 [ 53.911479][ T11] hardirqs last disabled at (359516): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.913256][ T11] softirqs last enabled at (359454): [] batadv_nc_purge_paths+0x2f0/0x378 [ 53.914973][ T11] softirqs last disabled at (359452): [] batadv_nc_purge_paths+0xd0/0x378 [ 53.916677][ T11] ---[ end trace 0000000000000000 ]--- [ 53.920225][ C0] ------------[ cut here ]------------ [ 53.921068][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 53.922693][ C0] Modules linked in: [ 53.923317][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 53.924611][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.926161][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.927495][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 53.928522][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 53.929486][ C0] sp : ffff80001ca17970 [ 53.930165][ C0] x29: ffff80001ca17990 x28: dfff800000000000 x27: ffff0000c04931e8 [ 53.931430][ C0] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff800068f690 [ 53.932675][ C0] x23: 0000000000000001 x22: ffff0000d56f07e8 x21: ffff0000d56f07f0 [ 53.933858][ C0] x20: 0000000000000001 x19: fffffc000347b480 x18: ffff800011b8bf60 [ 53.935138][ C0] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 53.936372][ C0] x14: 0000000000000003 x13: 1ffff00003942f20 x12: 0000000000ff0100 [ 53.937628][ C0] x11: ff0080000870a5f4 x10: 0000000000000000 x9 : ffff80000870a5f4 [ 53.938990][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.940394][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 53.941706][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.943107][ C0] Call trace: [ 53.943643][ C0] __folio_end_writeback+0x7d0/0x9cc [ 53.944589][ C0] folio_end_writeback+0x12c/0x410 [ 53.945489][ C0] end_page_writeback+0x58/0x74 [ 53.946291][ C0] end_buffer_async_write+0x32c/0x4f4 [ 53.947180][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 53.948012][ C0] bio_endio+0x750/0x794 [ 53.948702][ C0] blk_update_request+0x49c/0xbec [ 53.949554][ C0] blk_mq_end_request+0x54/0x88 [ 53.950361][ C0] lo_complete_rq+0x1ec/0x250 [ 53.951144][ C0] blk_done_softirq+0x11c/0x168 [ 53.951954][ C0] handle_softirqs+0x318/0xc60 [ 53.952731][ C0] run_ksoftirqd+0x7c/0x2ac [ 53.953492][ C0] smpboot_thread_fn+0x4b0/0x964 [ 53.954311][ C0] kthread+0x250/0x2d8 [ 53.954996][ C0] ret_from_fork+0x10/0x20 [ 53.955781][ C0] irq event stamp: 360031 [ 53.956531][ C0] hardirqs last enabled at (360030): [] folio_memcg_lock+0xe8/0x1f4 [ 53.958201][ C0] hardirqs last disabled at (360031): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.959972][ C0] softirqs last enabled at (360006): [] handle_softirqs+0xaec/0xc60 [ 53.961628][ C0] softirqs last disabled at (360011): [] run_ksoftirqd+0x7c/0x2ac [ 53.963143][ C0] ---[ end trace 0000000000000000 ]---