Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.251314][ T4336] cgroup: Unknown subsys name 'net' [ 32.516946][ T4336] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.799518][ T4336] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.379617][ T294] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.380833][ T294] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.383784][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.395303][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.396599][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.397931][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.900988][ T4411] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.902461][ T4411] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.903695][ T4411] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.905955][ T4411] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.907360][ T4411] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.908528][ T4411] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.199350][ T4422] chnl_net:caif_netlink_parms(): no params data found [ 40.216704][ T4422] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.217944][ T4422] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.219502][ T4422] device bridge_slave_0 entered promiscuous mode [ 40.221775][ T4422] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.222949][ T4422] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.225064][ T4422] device bridge_slave_1 entered promiscuous mode [ 40.232127][ T4422] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.234919][ T4422] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.241640][ T4422] team0: Port device team_slave_0 added [ 40.243523][ T4422] team0: Port device team_slave_1 added [ 40.249227][ T4422] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.250483][ T4422] 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. [ 40.255074][ T4422] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.258097][ T4422] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.259125][ T4422] 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. [ 40.263453][ T4422] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.306614][ T4422] device hsr_slave_0 entered promiscuous mode [ 40.344484][ T4422] device hsr_slave_1 entered promiscuous mode [ 40.435918][ T4422] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.473448][ T4422] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.542961][ T4422] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.583472][ T4422] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.666391][ T4422] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.670501][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.673804][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.675402][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.679430][ T4422] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.682291][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.683828][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.686113][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.687345][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.689178][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.699747][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.701401][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.702800][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.703871][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.711695][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.713516][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.718283][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.721180][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.723841][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.727254][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.780189][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.781436][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.785502][ T4422] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.796600][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.802949][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.806274][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.807593][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.809892][ T4422] device veth0_vlan entered promiscuous mode [ 40.813829][ T4422] device veth1_vlan entered promiscuous mode [ 40.820846][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.822363][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.823876][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.826966][ T4422] device veth0_macvtap entered promiscuous mode [ 40.829392][ T4422] device veth1_macvtap entered promiscuous mode [ 40.835414][ T4422] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.836750][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.838793][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.841938][ T4422] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.843229][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.852798][ T4422] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.854235][ T4422] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.856665][ T4422] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.858018][ T4422] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 41.465990][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.467790][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.469107][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.470722][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.472218][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.473490][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.796828][ T4440] chnl_net:caif_netlink_parms(): no params data found [ 41.811722][ T4440] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.812934][ T4440] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.816251][ T4440] device bridge_slave_0 entered promiscuous mode [ 41.854923][ T4440] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.857669][ T4440] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.859342][ T4440] device bridge_slave_1 entered promiscuous mode [ 41.875976][ T4440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.878407][ T4440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.884991][ T4440] team0: Port device team_slave_0 added [ 41.886788][ T4440] team0: Port device team_slave_1 added [ 41.891798][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.892944][ T4440] 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. [ 41.897644][ T4440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.900595][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.901638][ T4440] 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. [ 41.905799][ T4440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.115488][ T4440] device hsr_slave_0 entered promiscuous mode [ 42.174562][ T4440] device hsr_slave_1 entered promiscuous mode [ 42.214434][ T4440] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.215811][ T4440] Cannot create hsr debugfs directory [ 42.505853][ T4440] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.514520][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 45.594655][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.745473][ T4440] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.695906][ T4440] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.785820][ T4440] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.966911][ T4440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.052449][ T4440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.085505][ T4440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.172136][ T4440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.288139][ T4440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.291465][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.293055][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.295640][ T4440] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.298832][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.300375][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.301874][ T227] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.303042][ T227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.306299][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.370736][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.372397][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.373925][ T227] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.375138][ T227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.377818][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.380461][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.383001][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.384760][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.386515][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.389465][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.391205][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.393768][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.395579][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.398867][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.400406][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.402764][ T4440] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.419537][ T39] device hsr_slave_0 left promiscuous mode [ 47.454720][ T39] device hsr_slave_1 left promiscuous mode [ 47.544375][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.545531][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.547199][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.548390][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.549783][ T39] device bridge_slave_1 left promiscuous mode [ 47.551123][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.595075][ T39] device bridge_slave_0 left promiscuous mode [ 47.596166][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.684360][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.734530][ T39] device veth1_macvtap left promiscuous mode [ 47.735606][ T39] device veth0_macvtap left promiscuous mode [ 47.736657][ T39] device veth1_vlan left promiscuous mode [ 47.737653][ T39] device veth0_vlan left promiscuous mode [ 49.764338][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.915501][ T39] team0 (unregistering): Port device team_slave_1 removed [ 50.074959][ T39] team0 (unregistering): Port device team_slave_0 removed [ 50.244680][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.484714][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.016392][ T39] bond0 (unregistering): Released all slaves [ 52.329936][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.331301][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.334153][ T4440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.341524][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.343116][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.349579][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.351135][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.352700][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.354045][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.357298][ T4440] device veth0_vlan entered promiscuous mode [ 52.360226][ T4440] device veth1_vlan entered promiscuous mode [ 52.366255][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.367749][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.369207][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.370788][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.373039][ T4440] device veth0_macvtap entered promiscuous mode [ 52.377040][ T4440] device veth1_macvtap entered promiscuous mode [ 52.383077][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.385840][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.387163][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.388855][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.390306][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.391850][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.393436][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.395775][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.398352][ T4440] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.399759][ T4440] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.401075][ T4440] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.402622][ T4440] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.426439][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.430379][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.432283][ T4436] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.437929][ T227] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.439187][ T227] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.442589][ T227] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.607629][ T4457] loop0: detected capacity change from 0 to 32768 [ 52.617781][ T4457] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.619119][ T4457] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.630289][ T4457] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.633067][ T4410] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.634114][ T4410] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.649204][ T4410] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms [ 52.650815][ T4410] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.651752][ T4457] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.747131][ T4457] gfs2: fsid=syz:syz.0: found 1 quota changes [ 52.763817][ T4440] ------------[ cut here ]------------ [ 52.764919][ T4440] WARNING: CPU: 1 PID: 4440 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 52.766649][ T4440] Modules linked in: [ 52.767341][ T4440] CPU: 1 PID: 4440 Comm: syz-executor Not tainted syzkaller #0 [ 52.768668][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.770408][ T4440] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.771695][ T4440] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 52.772532][ T4440] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 52.773448][ T4440] sp : ffff8000211472c0 [ 52.774179][ T4440] x29: ffff8000211472e0 x28: 1fffff80006c8df8 x27: dfff800000000000 [ 52.775564][ T4440] x26: 0000000000000000 x25: ffff0000c536be90 x24: 0000000000000001 [ 52.776943][ T4440] x23: 0000000000000000 x22: fffffc0003646fc8 x21: 1fffe00018a6d7d2 [ 52.778294][ T4440] x20: ffff0000de532250 x19: fffffc0003646fc0 x18: ffff800011b9bf60 [ 52.779674][ T4440] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 52.781001][ T4440] x14: 0000000000000001 x13: 1fffe00018a6d7d2 x12: 0000000000ff0100 [ 52.782351][ T4440] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 52.783708][ T4440] x8 : ffff0000e0cd3780 x7 : ffff80000870989c x6 : 0000000000000000 [ 52.784981][ T4440] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a58a88 [ 52.786335][ T4440] x2 : ffff0000cf224060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.787721][ T4440] Call trace: [ 52.788281][ T4440] __folio_mark_dirty+0x8a0/0xcd8 [ 52.789134][ T4440] mark_buffer_dirty+0x2b8/0x5c0 [ 52.790002][ T4440] gfs2_unpin+0x120/0x8fc [ 52.790770][ T4440] buf_lo_after_commit+0x140/0x188 [ 52.791619][ T4440] gfs2_log_flush+0xc00/0x1b20 [ 52.792473][ T4440] do_sync+0x8cc/0xaec [ 52.793150][ T4440] gfs2_quota_sync+0x2cc/0x500 [ 52.793976][ T4440] gfs2_sync_fs+0x4c/0xc4 [ 52.794740][ T4440] sync_filesystem+0xe8/0x218 [ 52.795503][ T4440] generic_shutdown_super+0x70/0x324 [ 52.796468][ T4440] kill_block_super+0x70/0xdc [ 52.797287][ T4440] gfs2_kill_sb+0xc0/0xd4 [ 52.798008][ T4440] deactivate_locked_super+0xac/0x120 [ 52.798949][ T4440] deactivate_super+0xe4/0x104 [ 52.799813][ T4440] cleanup_mnt+0x390/0x418 [ 52.800568][ T4440] __cleanup_mnt+0x20/0x30 [ 52.801306][ T4440] task_work_run+0x1ec/0x278 [ 52.802162][ T4440] get_signal+0x111c/0x1304 [ 52.802954][ T4440] do_notify_resume+0x33c/0x2aa4 [ 52.803885][ T4440] el0_svc+0x98/0x128 [ 52.804549][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 52.805475][ T4440] el0t_64_sync+0x18c/0x190 [ 52.806266][ T4440] irq event stamp: 166964 [ 52.807041][ T4440] hardirqs last enabled at (166963): [] folio_memcg_lock+0xe8/0x1f4 [ 52.808795][ T4440] hardirqs last disabled at (166964): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.810571][ T4440] softirqs last enabled at (166592): [] local_bh_enable+0x10/0x34 [ 52.812304][ T4440] softirqs last disabled at (166590): [] local_bh_disable+0x10/0x34 [ 52.814000][ T4440] ---[ end trace 0000000000000000 ]--- [ 52.819674][ T4436] ------------[ cut here ]------------ [ 52.820551][ T4436] WARNING: CPU: 1 PID: 4436 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 52.822431][ T4436] Modules linked in: [ 52.823026][ T4436] CPU: 1 PID: 4436 Comm: kworker/u4:6 Tainted: G W syzkaller #0 [ 52.824558][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.826209][ T4436] Workqueue: writeback wb_workfn (flush-7:0) [ 52.827235][ T4436] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.828586][ T4436] pc : __folio_start_writeback+0x88c/0xa7c [ 52.829643][ T4436] lr : __folio_start_writeback+0x88c/0xa7c [ 52.830653][ T4436] sp : ffff800021126c80 [ 52.831369][ T4436] x29: ffff800021126d60 x28: dfff800000000000 x27: 0000000000000000 [ 52.832769][ T4436] x26: ffff700004224d98 x25: 0000000000000000 x24: ffff0000de532ce0 [ 52.834138][ T4436] x23: ffff800021126ce0 x22: ffff0000c536bce8 x21: 0000000000000001 [ 52.835515][ T4436] x20: fffffc00033b31c8 x19: fffffc00033b31c0 x18: ffff800011b9bf60 [ 52.836958][ T4436] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 52.838396][ T4436] x14: 0000000000000001 x13: 1fffff8000676638 x12: 0000000000ff0100 [ 52.839738][ T4436] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 52.841125][ T4436] x8 : ffff0000c66cd340 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.842582][ T4436] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870c0b0 [ 52.843950][ T4436] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.845413][ T4436] Call trace: [ 52.845943][ T4436] __folio_start_writeback+0x88c/0xa7c [ 52.846847][ T4436] set_page_writeback+0x5c/0x7c [ 52.847658][ T4436] gfs2_aspace_writepage+0x514/0x6dc [ 52.848606][ T4436] __writepage+0x70/0x184 [ 52.849352][ T4436] write_cache_pages+0x74c/0xde8 [ 52.850236][ T4436] do_writepages+0x318/0x504 [ 52.850977][ T4436] filemap_fdatawrite_wbc+0x124/0x174 [ 52.851935][ T4436] filemap_fdatawrite+0xd0/0x12c [ 52.852783][ T4436] gfs2_write_inode+0x234/0x34c [ 52.853594][ T4436] __writeback_single_inode+0x5e0/0x1554 [ 52.854593][ T4436] writeback_sb_inodes+0x858/0x143c [ 52.855511][ T4436] wb_writeback+0x414/0xfcc [ 52.856339][ T4436] wb_workfn+0x360/0xe18 [ 52.857049][ T4436] process_one_work+0x7f8/0x13a4 [ 52.857972][ T4436] worker_thread+0x8c4/0xfec [ 52.858793][ T4436] kthread+0x250/0x2d8 [ 52.859453][ T4436] ret_from_fork+0x10/0x20 [ 52.860239][ T4436] irq event stamp: 278514 [ 52.861209][ T4436] hardirqs last enabled at (278513): [] folio_memcg_lock+0xe8/0x1f4 [ 52.862888][ T4436] hardirqs last disabled at (278514): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.864630][ T4436] softirqs last enabled at (278458): [] macvlan_process_broadcast+0x1d8/0x5e8 [ 52.866397][ T4436] softirqs last disabled at (278456): [] macvlan_process_broadcast+0xf0/0x5e8 [ 52.868244][ T4436] ---[ end trace 0000000000000000 ]--- [ 52.873722][ C1] ------------[ cut here ]------------ [ 52.874674][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.876382][ C1] Modules linked in: [ 52.877011][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 52.878585][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.880248][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.881568][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.882493][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.883430][ C1] sp : ffff80001ca97970 [ 52.884189][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c536bce8 [ 52.885633][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff8000676638 [ 52.887019][ C1] x23: 0000000000000001 x22: ffff0000de532ce0 x21: ffff0000de532ce8 [ 52.888536][ C1] x20: 0000000000000001 x19: fffffc00033b31c0 x18: ffff800011b9bf60 [ 52.889985][ C1] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 52.891438][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 52.892871][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 52.894227][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.895542][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.896911][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.898358][ C1] Call trace: [ 52.898922][ C1] __folio_end_writeback+0x7d0/0x9cc [ 52.899837][ C1] folio_end_writeback+0x12c/0x410 [ 52.900746][ C1] end_page_writeback+0x58/0x74 [ 52.901596][ C1] end_buffer_async_write+0x32c/0x4f4 [ 52.902549][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 52.903441][ C1] bio_endio+0x750/0x794 [ 52.904224][ C1] blk_update_request+0x49c/0xbec [ 52.905151][ C1] blk_mq_end_request+0x54/0x88 [ 52.906003][ C1] lo_complete_rq+0x1ec/0x250 [ 52.906770][ C1] blk_done_softirq+0x11c/0x168 [ 52.907601][ C1] handle_softirqs+0x318/0xc60 [ 52.908473][ C1] run_ksoftirqd+0x7c/0x2ac [ 52.909301][ C1] smpboot_thread_fn+0x4b0/0x964 [ 52.910145][ C1] kthread+0x250/0x2d8 [ 52.910867][ C1] ret_from_fork+0x10/0x20 [ 52.911651][ C1] irq event stamp: 433183 [ 52.912363][ C1] hardirqs last enabled at (433182): [] folio_memcg_lock+0xe8/0x1f4 [ 52.914011][ C1] hardirqs last disabled at (433183): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.915762][ C1] softirqs last enabled at (433158): [] handle_softirqs+0xaec/0xc60 [ 52.917437][ C1] softirqs last disabled at (433163): [] run_ksoftirqd+0x7c/0x2ac [ 52.919036][ C1] ---[ end trace 0000000000000000 ]---