Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:33 parsed 1 programs syzkaller login: [ 34.329867][ T4325] cgroup: Unknown subsys name 'net' [ 34.601554][ T4325] cgroup: Unknown subsys name 'rlimit' [ 34.870796][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.688925][ T4349] chnl_net:caif_netlink_parms(): no params data found [ 38.707037][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.708490][ T4349] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.710217][ T4349] device bridge_slave_0 entered promiscuous mode [ 38.712944][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.714193][ T4349] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.715633][ T4349] device bridge_slave_1 entered promiscuous mode [ 38.722528][ T4349] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.724876][ T4349] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.734937][ T4349] team0: Port device team_slave_0 added [ 38.736567][ T4349] team0: Port device team_slave_1 added [ 38.742089][ T4349] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.743124][ T4349] 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. [ 38.747075][ T4349] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.749883][ T4349] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.750992][ T4349] 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. [ 38.754980][ T4349] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.830087][ T4349] device hsr_slave_0 entered promiscuous mode [ 38.889289][ T4349] device hsr_slave_1 entered promiscuous mode [ 38.962210][ T4349] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.011740][ T4349] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.051553][ T4349] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.122184][ T4349] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.168970][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.170313][ T4349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.171781][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.172981][ T4349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.188794][ T4349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.193497][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.195863][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.197459][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.200273][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.204809][ T4349] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.207901][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.209709][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.210841][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.214417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.215955][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.217350][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.222932][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.224520][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.227906][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.231754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.234578][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.236947][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.288511][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.290249][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.297567][ T4349] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.303604][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.310025][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.311753][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.313075][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.315227][ T4349] device veth0_vlan entered promiscuous mode [ 39.318323][ T4349] device veth1_vlan entered promiscuous mode [ 39.374022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.375532][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.376967][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.379765][ T4349] device veth0_macvtap entered promiscuous mode [ 39.382504][ T4349] device veth1_macvtap entered promiscuous mode [ 39.387359][ T4349] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.388626][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.391331][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.394217][ T4349] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.395509][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.397989][ T4349] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.399869][ T4349] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.401168][ T4349] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.402475][ T4349] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.484950][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.486427][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.488065][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.496702][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.497993][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.499949][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.840890][ T562] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.496842][ T4412] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.498496][ T4412] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.500451][ T4412] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.501967][ T4412] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.503348][ T4412] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.504550][ T4412] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:40 executed programs: 0 [ 40.717167][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.720018][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.721528][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.722976][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.724293][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.725511][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.772479][ T4420] chnl_net:caif_netlink_parms(): no params data found [ 40.787805][ T4420] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.789155][ T4420] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.790665][ T4420] device bridge_slave_0 entered promiscuous mode [ 40.792600][ T4420] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.793780][ T4420] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.795150][ T4420] device bridge_slave_1 entered promiscuous mode [ 40.807369][ T4420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.810950][ T4420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.818269][ T4420] team0: Port device team_slave_0 added [ 40.820128][ T4420] team0: Port device team_slave_1 added [ 40.826752][ T4420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.827884][ T4420] 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. [ 40.832303][ T4420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.834667][ T4420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.835775][ T4420] 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. [ 40.839937][ T4420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.870160][ T4420] device hsr_slave_0 entered promiscuous mode [ 40.909243][ T4420] device hsr_slave_1 entered promiscuous mode [ 40.949299][ T4420] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.950555][ T4420] Cannot create hsr debugfs directory [ 42.270215][ T562] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.799278][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.541126][ T562] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.642512][ T562] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.879590][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.552669][ T4420] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.640842][ T4420] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.722819][ T4420] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.814121][ T4420] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.923222][ T4420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.926825][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.928326][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.963691][ T4420] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.966104][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.967723][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.969849][ T491] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.971037][ T491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.972633][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.975880][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.977469][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.978912][ T491] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.980110][ T491] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.989380][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.992012][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.993947][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.995919][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.997522][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.001805][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.003542][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.005209][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.006748][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.008360][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.010660][ T491] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.012502][ T4420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.093024][ T562] device hsr_slave_0 left promiscuous mode [ 46.119321][ T562] device hsr_slave_1 left promiscuous mode [ 46.189183][ T562] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.190342][ T562] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.192791][ T562] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.193897][ T562] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.195406][ T562] device bridge_slave_1 left promiscuous mode [ 46.196735][ T562] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.229856][ T562] device bridge_slave_0 left promiscuous mode [ 46.230985][ T562] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.359232][ T562] device veth1_macvtap left promiscuous mode [ 46.360193][ T562] device veth0_macvtap left promiscuous mode [ 46.361244][ T562] device veth1_vlan left promiscuous mode [ 46.362213][ T562] device veth0_vlan left promiscuous mode [ 46.969060][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 48.150247][ T562] team0 (unregistering): Port device team_slave_1 removed [ 48.329955][ T562] team0 (unregistering): Port device team_slave_0 removed [ 48.499458][ T562] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.720374][ T562] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.039053][ T4412] Bluetooth: hci0: command 0x0419 tx timeout [ 51.270991][ T562] bond0 (unregistering): Released all slaves [ 51.488380][ T4420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.493892][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.495224][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.500220][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.501741][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.507170][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.508556][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.510452][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.512454][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.514911][ T4420] device veth0_vlan entered promiscuous mode [ 51.518163][ T4420] device veth1_vlan entered promiscuous mode [ 51.524893][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.526509][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.528067][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.530614][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.533060][ T4420] device veth0_macvtap entered promiscuous mode [ 51.535360][ T4420] device veth1_macvtap entered promiscuous mode [ 51.541545][ T4420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.542793][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.544315][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.545709][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.547261][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.550452][ T4420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.553173][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.554901][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.556786][ T4420] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.558239][ T4420] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.560275][ T4420] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.561639][ T4420] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.582082][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.586090][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.588093][ T228] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.590203][ T228] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.591485][ T228] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.593122][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.747707][ T4523] loop0: detected capacity change from 0 to 32768 [ 51.759473][ T4523] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.760736][ T4523] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.773146][ T4523] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.775309][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.776427][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.792361][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms [ 51.793783][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.794681][ T4523] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.893928][ T4420] ------------[ cut here ]------------ [ 51.894969][ T4420] WARNING: CPU: 0 PID: 4420 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 51.896452][ T4420] Modules linked in: [ 51.897037][ T4420] CPU: 0 PID: 4420 Comm: syz-executor Not tainted 6.1.148-syzkaller #0 [ 51.898255][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.899701][ T4420] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.900874][ T4420] pc : __folio_mark_dirty+0x8a0/0xce0 [ 51.901684][ T4420] lr : __folio_mark_dirty+0x8a0/0xce0 [ 51.902490][ T4420] sp : ffff8000209576e0 [ 51.903104][ T4420] x29: ffff800020957700 x28: 1fffff80006636a8 x27: dfff800000000000 [ 51.904287][ T4420] x26: 0000000000000000 x25: ffff0000c5108790 x24: 0000000000000001 [ 51.905451][ T4420] x23: 0000000000000000 x22: fffffc000331b548 x21: 1fffe00018a210f2 [ 51.906793][ T4420] x20: ffff0000d8a5a250 x19: fffffc000331b540 x18: ffff800011aabce0 [ 51.908060][ T4420] x17: ffff8000181e7000 x16: ffff8000082d0ec0 x15: ffff800017cc7fc0 [ 51.909465][ T4420] x14: ffff0000c60dc218 x13: ffff0000c60dc290 x12: 0000000000ff0100 [ 51.910822][ T4420] x11: ff008000086fb4cc x10: 0000000000000000 x9 : ffff8000086fb4cc [ 51.912270][ T4420] x8 : ffff0000c60db780 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.913722][ T4420] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a45edc [ 51.915173][ T4420] x2 : ffff0000ceee8060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.916488][ T4420] Call trace: [ 51.917035][ T4420] __folio_mark_dirty+0x8a0/0xce0 [ 51.917878][ T4420] mark_buffer_dirty+0x2b8/0x5cc [ 51.918709][ T4420] gfs2_unpin+0x120/0x914 [ 51.919452][ T4420] buf_lo_after_commit+0x140/0x188 [ 51.920374][ T4420] gfs2_log_flush+0xbc8/0x1aa0 [ 51.921184][ T4420] gfs2_kill_sb+0x5c/0xd4 [ 51.921925][ T4420] deactivate_locked_super+0xac/0x124 [ 51.922834][ T4420] deactivate_super+0xe8/0x108 [ 51.923651][ T4420] cleanup_mnt+0x37c/0x404 [ 51.924403][ T4420] __cleanup_mnt+0x20/0x30 [ 51.925186][ T4420] task_work_run+0x1ec/0x270 [ 51.925983][ T4420] do_notify_resume+0x1f70/0x2b0c [ 51.926792][ T4420] el0_svc+0x98/0x138 [ 51.927419][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 51.928206][ T4420] el0t_64_sync+0x18c/0x190 [ 51.928911][ T4420] irq event stamp: 171050 [ 51.929583][ T4420] hardirqs last enabled at (171049): [] folio_memcg_lock+0xe8/0x1fc [ 51.931111][ T4420] hardirqs last disabled at (171050): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.932766][ T4420] softirqs last enabled at (170912): [] handle_softirqs+0xaf8/0xc6c [ 51.934365][ T4420] softirqs last disabled at (170901): [] __do_softirq+0x14/0x20 [ 51.936009][ T4420] ---[ end trace 0000000000000000 ]--- [ 51.941180][ T4420] ------------[ cut here ]------------ [ 51.942117][ T4420] WARNING: CPU: 0 PID: 4420 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 51.943910][ T4420] Modules linked in: [ 51.944532][ T4420] CPU: 0 PID: 4420 Comm: syz-executor Tainted: G W 6.1.148-syzkaller #0 [ 51.946029][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.947713][ T4420] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.949049][ T4420] pc : __folio_start_writeback+0x868/0xa68 [ 51.950082][ T4420] lr : __folio_start_writeback+0x868/0xa68 [ 51.951109][ T4420] sp : ffff800020957180 [ 51.951841][ T4420] x29: ffff800020957260 x28: dfff800000000000 x27: 0000000000000000 [ 51.953259][ T4420] x26: ffff70000412ae38 x25: 0000000000000000 x24: ffff0000d8a5a250 [ 51.954574][ T4420] x23: ffff8000209571e0 x22: ffff0000c51085e8 x21: 0000000000000001 [ 51.955986][ T4420] x20: fffffc000331b548 x19: fffffc000331b540 x18: ffff800011aabce0 [ 51.957435][ T4420] x17: ffff8000181e7000 x16: ffff8000082d0ec0 x15: 0000000000000000 [ 51.958774][ T4420] x14: 0000000000000406 x13: 1ffff00002a160b1 x12: 0000000000ff0100 [ 51.960217][ T4420] x11: ff008000086fd9e4 x10: 0000000000000000 x9 : ffff8000086fd9e4 [ 51.961651][ T4420] x8 : ffff0000c60db780 x7 : ffff8000086fd464 x6 : 0000000000000000 [ 51.963013][ T4420] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fd4a4 [ 51.964422][ T4420] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.965693][ T4420] Call trace: [ 51.966211][ T4420] __folio_start_writeback+0x868/0xa68 [ 51.967157][ T4420] set_page_writeback+0x5c/0x7c [ 51.967998][ T4420] gfs2_aspace_writepage+0x520/0x6e8 [ 51.968918][ T4420] __gfs2_writepage+0x70/0x18c [ 51.969713][ T4420] write_cache_pages+0x73c/0xdd4 [ 51.970547][ T4420] gfs2_ail1_flush+0x7c0/0xa00 [ 51.971373][ T4420] empty_ail1_list+0x110/0x1ec [ 51.972150][ T4420] gfs2_log_flush+0x1258/0x1aa0 [ 51.972942][ T4420] gfs2_kill_sb+0x5c/0xd4 [ 51.973657][ T4420] deactivate_locked_super+0xac/0x124 [ 51.974537][ T4420] deactivate_super+0xe8/0x108 [ 51.975337][ T4420] cleanup_mnt+0x37c/0x404 [ 51.976078][ T4420] __cleanup_mnt+0x20/0x30 [ 51.976803][ T4420] task_work_run+0x1ec/0x270 [ 51.977563][ T4420] do_notify_resume+0x1f70/0x2b0c [ 51.978422][ T4420] el0_svc+0x98/0x138 [ 51.979114][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 51.979935][ T4420] el0t_64_sync+0x18c/0x190 [ 51.980652][ T4420] irq event stamp: 171254 [ 51.981360][ T4420] hardirqs last enabled at (171253): [] folio_memcg_lock+0xe8/0x1fc [ 51.982956][ T4420] hardirqs last disabled at (171254): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.984631][ T4420] softirqs last enabled at (171228): [] handle_softirqs+0xaf8/0xc6c [ 51.986198][ T4420] softirqs last disabled at (171053): [] __do_softirq+0x14/0x20 [ 51.987683][ T4420] ---[ end trace 0000000000000000 ]--- [ 51.992143][ C0] ------------[ cut here ]------------ [ 51.993138][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 51.994762][ C0] Modules linked in: [ 51.995388][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.1.148-syzkaller #0 [ 51.996857][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.998429][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.999761][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 52.000700][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 52.001648][ C0] sp : ffff80001c8b7960 [ 52.002325][ C0] x29: ffff80001c8b7980 x28: dfff800000000000 x27: ffff0000c51085e8 [ 52.003662][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006ddf88 [ 52.005036][ C0] x23: 0000000000000001 x22: ffff0000d8a582a0 x21: ffff0000d8a582a8 [ 52.006418][ C0] x20: 0000000000000001 x19: fffffc00036efc40 x18: ffff800011aabce0 [ 52.007753][ C0] x17: 1fffe00033ed9d7e x16: ffff8000082d0ec0 x15: 0000000000000000 [ 52.009101][ C0] x14: 0000000000000002 x13: 1ffff00002a160b1 x12: 0000000000ff0100 [ 52.010513][ C0] x11: ff008000086fcf70 x10: 0000000000000000 x9 : ffff8000086fcf70 [ 52.011840][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.013237][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.014653][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.016049][ C0] Call trace: [ 52.016612][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 52.017488][ C0] folio_end_writeback+0x12c/0x41c [ 52.018283][ C0] end_page_writeback+0x58/0x74 [ 52.019130][ C0] end_buffer_async_write+0x32c/0x508 [ 52.020036][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 52.020863][ C0] bio_endio+0x770/0x7b4 [ 52.021552][ C0] blk_update_request+0x49c/0xbec [ 52.022365][ C0] blk_mq_end_request+0x54/0x88 [ 52.023170][ C0] lo_complete_rq+0x1ec/0x250 [ 52.023904][ C0] blk_done_softirq+0x11c/0x168 [ 52.024632][ C0] handle_softirqs+0x318/0xc6c [ 52.025401][ C0] run_ksoftirqd+0x7c/0x2a0 [ 52.026143][ C0] smpboot_thread_fn+0x4b0/0x964 [ 52.026948][ C0] kthread+0x250/0x2d8 [ 52.027650][ C0] ret_from_fork+0x10/0x20 [ 52.028405][ C0] irq event stamp: 445989 [ 52.029153][ C0] hardirqs last enabled at (445988): [] folio_memcg_lock+0xe8/0x1fc [ 52.030810][ C0] hardirqs last disabled at (445989): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 52.032470][ C0] softirqs last enabled at (445972): [] handle_softirqs+0xaf8/0xc6c [ 52.034037][ C0] softirqs last disabled at (445983): [] run_ksoftirqd+0x7c/0x2a0 [ 52.035536][ C0] ---[ end trace 0000000000000000 ]---