Warning: Permanently added '10.128.1.159' (ED25519) to the list of known hosts. 1970/01/01 00:00:29 parsed 1 programs 1970/01/01 00:00:29 serving rpc on tcp://33567 [ 30.618925][ T4339] cgroup: Unknown subsys name 'net' [ 30.875229][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.186239][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.139335][ T4385] chnl_net:caif_netlink_parms(): no params data found [ 35.155921][ T4385] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.157311][ T4385] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.159083][ T4385] device bridge_slave_0 entered promiscuous mode [ 35.161563][ T4385] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.163548][ T4385] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.165292][ T4385] device bridge_slave_1 entered promiscuous mode [ 35.174654][ T4385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.177363][ T4385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.183887][ T4385] team0: Port device team_slave_0 added [ 35.185634][ T4385] team0: Port device team_slave_1 added [ 35.191206][ T4385] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.192458][ T4385] 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. [ 35.198666][ T4385] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.201607][ T4385] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.203403][ T4385] 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. [ 35.207693][ T4385] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.293821][ T4385] device hsr_slave_0 entered promiscuous mode [ 35.332800][ T4385] device hsr_slave_1 entered promiscuous mode [ 35.411304][ T4385] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.453992][ T4385] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.495070][ T4385] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.533701][ T4385] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.570383][ T4385] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.571763][ T4385] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.573535][ T4385] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.574984][ T4385] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.590959][ T4385] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.595702][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.598611][ T1577] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.600830][ T1577] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.603525][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 35.607978][ T4385] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.611148][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.613215][ T1577] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.614557][ T1577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.617608][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.619311][ T1577] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.620688][ T1577] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.627269][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.629096][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.632170][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.635905][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.640061][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.644522][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.693337][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.694843][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.698095][ T4385] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.705221][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.710953][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.713587][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.715171][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.717456][ T4385] device veth0_vlan entered promiscuous mode [ 35.720623][ T4385] device veth1_vlan entered promiscuous mode [ 35.727932][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.729719][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.731388][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.734728][ T4385] device veth0_macvtap entered promiscuous mode [ 35.737200][ T4385] device veth1_macvtap entered promiscuous mode [ 35.743538][ T4385] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.744799][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.746887][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.749953][ T4385] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.751526][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.754657][ T4385] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.756223][ T4385] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.757740][ T4385] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.759304][ T4385] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.013392][ T1577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.015001][ T1577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.017256][ T1577] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.024868][ T1577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.026429][ T1577] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.027859][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.068192][ T4439] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.069974][ T4439] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.071534][ T4439] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.082280][ T4439] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.085115][ T4439] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.086767][ T4439] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:36 executed programs: 0 [ 36.345300][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.346923][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.348604][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.350157][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.351967][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.354189][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.677853][ T4449] chnl_net:caif_netlink_parms(): no params data found [ 36.698996][ T4449] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.700309][ T4449] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.701918][ T4449] device bridge_slave_0 entered promiscuous mode [ 36.704543][ T4449] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.706082][ T4449] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.707904][ T4449] device bridge_slave_1 entered promiscuous mode [ 36.715615][ T4449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.718261][ T4449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.725623][ T4449] team0: Port device team_slave_0 added [ 36.728134][ T4449] team0: Port device team_slave_1 added [ 36.735143][ T4449] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.736628][ T4449] 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. [ 36.741902][ T4449] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.747947][ T4449] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.749180][ T4449] 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. [ 36.754168][ T4449] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.793847][ T4449] device hsr_slave_0 entered promiscuous mode [ 36.832799][ T4449] device hsr_slave_1 entered promiscuous mode [ 36.872673][ T4449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 36.874067][ T4449] Cannot create hsr debugfs directory [ 37.174970][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.413145][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 39.653647][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.492700][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 41.574206][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.654413][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.572686][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 42.723550][ T4449] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 42.773564][ T4449] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 42.864765][ T4449] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 42.913544][ T4449] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.003355][ T4449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.006999][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.008974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.011588][ T4449] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.014278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.016035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.017818][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.019206][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.021249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.056159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.058111][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.059714][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.061142][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.064090][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.067132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.069922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.071877][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.073845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.077032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.078955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.081749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.084483][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.087400][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.089187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.091619][ T4449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.206398][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.207806][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.211648][ T4449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.218106][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.220129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.225796][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.227620][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.229686][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.231345][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.234371][ T4449] device veth0_vlan entered promiscuous mode [ 43.238129][ T4449] device veth1_vlan entered promiscuous mode [ 43.244253][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.246030][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.247823][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.249673][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.252387][ T4449] device veth0_macvtap entered promiscuous mode [ 43.254855][ T4449] device veth1_macvtap entered promiscuous mode [ 43.259303][ T4449] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 43.261044][ T4449] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.264013][ T4449] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.265474][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.267074][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.268656][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.270559][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.606216][ T4449] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 43.608088][ T4449] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.610290][ T4449] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.614660][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.616502][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.618779][ T4449] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.620421][ T4449] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.622246][ T4449] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.624358][ T4449] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.645570][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.647094][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.648757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.688508][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.690068][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.691850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 43.847297][ T4515] loop0: detected capacity change from 0 to 32768 [ 43.864618][ T4515] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 43.866210][ T4515] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 43.874241][ T4515] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 43.876653][ T4450] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 43.878118][ T4450] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.892501][ T4450] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 43.896267][ T4450] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.897765][ T4515] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.941314][ T4515] gfs2: fsid=syz:syz.0: found 1 quota changes [ 43.952561][ T4449] ------------[ cut here ]------------ [ 43.953766][ T4449] WARNING: CPU: 1 PID: 4449 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 43.955871][ T4449] Modules linked in: [ 43.956661][ T4449] CPU: 1 PID: 4449 Comm: syz-executor Not tainted syzkaller #0 [ 43.958173][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 43.960212][ T4449] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.961856][ T4449] pc : __folio_mark_dirty+0x8b8/0xce0 [ 43.962976][ T4449] lr : __folio_mark_dirty+0x8b8/0xce0 [ 43.964050][ T4449] sp : ffff800022b27400 [ 43.964898][ T4449] x29: ffff800022b27410 x28: 1fffff8000699908 x27: 0000000000000000 [ 43.966519][ T4449] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c590be98 [ 43.968140][ T4449] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018b217d3 [ 43.969673][ T4449] x20: ffff0000ef036250 x19: fffffc00034cc840 x18: 1fffe00033c1c97e [ 43.971208][ T4449] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 43.972862][ T4449] x14: 0000000000000001 x13: 1fffe00018b217d3 x12: 0000000000000000 [ 43.974427][ T4449] x11: ff008000087196b8 x10: 0000000000000000 x9 : ffff8000087196b8 [ 43.975907][ T4449] x8 : ffff0000d1890000 x7 : ffff800008718e44 x6 : 0000000000000000 [ 43.977518][ T4449] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a6beb8 [ 43.979139][ T4449] x2 : ffff0000cf1aa060 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.980687][ T4449] Call trace: [ 43.981337][ T4449] __folio_mark_dirty+0x8b8/0xce0 [ 43.982400][ T4449] mark_buffer_dirty+0x2b8/0x5c0 [ 43.983475][ T4449] gfs2_unpin+0x128/0x918 [ 43.984426][ T4449] buf_lo_after_commit+0x144/0x18c [ 43.985469][ T4449] __gfs2_log_flush+0x12e8/0x1bd4 [ 43.986474][ T4449] gfs2_log_flush+0x3c/0x58 [ 43.987383][ T4449] do_sync+0x844/0xa68 [ 43.988222][ T4449] gfs2_quota_sync+0x2cc/0x4e8 [ 43.989180][ T4449] gfs2_sync_fs+0x50/0xc8 [ 43.990055][ T4449] sync_filesystem+0xe8/0x218 [ 43.991024][ T4449] generic_shutdown_super+0x74/0x32c [ 43.992141][ T4449] kill_block_super+0x78/0xe0 [ 43.993106][ T4449] gfs2_kill_sb+0xc4/0xd8 [ 43.994007][ T4449] deactivate_locked_super+0xb4/0x128 [ 43.995127][ T4449] deactivate_super+0xe4/0x104 [ 43.996122][ T4449] cleanup_mnt+0x3a8/0x430 [ 43.997051][ T4449] __cleanup_mnt+0x20/0x30 [ 43.997942][ T4449] task_work_run+0x1f4/0x280 [ 43.998854][ T4449] do_notify_resume+0x20f8/0x2c84 [ 43.999823][ T4449] el0_svc+0x9c/0x12c [ 44.000651][ T4449] el0t_64_sync_handler+0x84/0xf0 [ 44.001634][ T4449] el0t_64_sync+0x18c/0x190 [ 44.002489][ T4449] irq event stamp: 157270 [ 44.003343][ T4449] hardirqs last enabled at (157269): [] folio_memcg_lock+0xe8/0x1f8 [ 44.005246][ T4449] hardirqs last disabled at (157270): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.007132][ T4449] softirqs last enabled at (156972): [] local_bh_enable+0x10/0x34 [ 44.009016][ T4449] softirqs last disabled at (156970): [] local_bh_disable+0x10/0x34 [ 44.010938][ T4449] ---[ end trace 0000000000000000 ]--- [ 44.024642][ T4457] ------------[ cut here ]------------ [ 44.025748][ T4457] WARNING: CPU: 1 PID: 4457 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 44.027730][ T4457] Modules linked in: [ 44.028492][ T4457] CPU: 1 PID: 4457 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 44.030185][ T4457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 44.032129][ T4457] Workqueue: writeback wb_workfn (flush-7:0) [ 44.033361][ T4457] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.035090][ T4457] pc : __folio_start_writeback+0x8a8/0xa98 [ 44.036344][ T4457] lr : __folio_start_writeback+0x8a8/0xa98 [ 44.037531][ T4457] sp : ffff800022be6d20 [ 44.038364][ T4457] x29: ffff800022be6e00 x28: ffff70000457cdac x27: 0000000000000000 [ 44.040052][ T4457] x26: ffff0000c590bcf0 x25: 1fffff80006a7701 x24: dfff800000000000 [ 44.041847][ T4457] x23: ffff0000ef036ce0 x22: ffff800022be6d80 x21: ffff0000c590be98 [ 44.043688][ T4457] x20: 0000000000000001 x19: fffffc000353b800 x18: 1fffe00033c1c97e [ 44.045548][ T4457] x17: 00ff333300000000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 44.047386][ T4457] x14: 0000000000000001 x13: 1fffff80006a7700 x12: 0000000000000000 [ 44.049194][ T4457] x11: ff0080000871bbdc x10: 0000000000000000 x9 : ffff80000871bbdc [ 44.051068][ T4457] x8 : ffff0000c80c3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.052951][ T4457] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000871b668 [ 44.054806][ T4457] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.056470][ T4457] Call trace: [ 44.057195][ T4457] __folio_start_writeback+0x8a8/0xa98 [ 44.058373][ T4457] set_page_writeback+0x5c/0x7c [ 44.059426][ T4457] gfs2_aspace_writepage+0x524/0x6f4 [ 44.060579][ T4457] __writepage+0x70/0x184 [ 44.061597][ T4457] write_cache_pages+0x760/0xe00 [ 44.062722][ T4457] do_writepages+0x32c/0x50c [ 44.063769][ T4457] filemap_fdatawrite_wbc+0x124/0x174 [ 44.064997][ T4457] filemap_fdatawrite+0xd0/0x12c [ 44.066004][ T4457] gfs2_write_inode+0x234/0x33c [ 44.067001][ T4457] __writeback_single_inode+0x5e0/0x157c [ 44.068268][ T4457] writeback_sb_inodes+0x870/0x1470 [ 44.069381][ T4457] wb_writeback+0x40c/0xfdc [ 44.070315][ T4457] wb_workfn+0x360/0xe18 [ 44.071206][ T4457] process_one_work+0x7e4/0x13bc [ 44.072282][ T4457] worker_thread+0x8cc/0xfe8 [ 44.073307][ T4457] kthread+0x254/0x2e0 [ 44.074214][ T4457] ret_from_fork+0x10/0x20 [ 44.075196][ T4457] irq event stamp: 31756 [ 44.076131][ T4457] hardirqs last enabled at (31755): [] folio_memcg_lock+0xe8/0x1f8 [ 44.078226][ T4457] hardirqs last disabled at (31756): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.080158][ T4457] softirqs last enabled at (31702): [] batadv_forw_packet_steal+0x11c/0x13c [ 44.082242][ T4457] softirqs last disabled at (31700): [] batadv_forw_packet_steal+0x38/0x13c [ 44.084087][ T4457] ---[ end trace 0000000000000000 ]--- [ 44.087276][ C0] ------------[ cut here ]------------ [ 44.088426][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 44.090320][ C0] Modules linked in: [ 44.091063][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 44.092591][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 44.094604][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.096279][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 44.097534][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 44.098706][ C0] sp : ffff80001dc57980 [ 44.099581][ C0] x29: ffff80001dc579a0 x28: 1fffff80006a7701 x27: 1fffff80006a7700 [ 44.101213][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c590bcf0 [ 44.102944][ C0] x23: ffff0000c590be98 x22: ffff0000ef036ce0 x21: ffff0000ef036ce8 [ 44.104717][ C0] x20: 0000000000000001 x19: fffffc000353b800 x18: 1fffe00033c1877e [ 44.106478][ C0] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 44.108174][ C0] x14: 0000000000000003 x13: 1ffff00003b8af22 x12: 0000000000000000 [ 44.109836][ C0] x11: ff0080000871b138 x10: 0000000000000000 x9 : ffff80000871b138 [ 44.111584][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.113379][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 44.115152][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.116741][ C0] Call trace: [ 44.117404][ C0] __folio_end_writeback+0x7d0/0x9cc [ 44.118428][ C0] folio_end_writeback+0x12c/0x410 [ 44.119486][ C0] end_page_writeback+0x58/0x74 [ 44.120499][ C0] end_buffer_async_write+0x330/0x4fc [ 44.121647][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 44.122680][ C0] bio_endio+0x750/0x794 [ 44.123538][ C0] blk_update_request+0x4ac/0xc58 [ 44.124488][ C0] blk_mq_end_request+0x54/0x8c [ 44.125447][ C0] lo_complete_rq+0x1e8/0x238 [ 44.126356][ C0] blk_done_softirq+0x11c/0x168 [ 44.127315][ C0] handle_softirqs+0x318/0xc90 [ 44.128263][ C0] run_ksoftirqd+0x7c/0x2ac [ 44.129167][ C0] smpboot_thread_fn+0x4e8/0x960 [ 44.130183][ C0] kthread+0x254/0x2e0 [ 44.130992][ C0] ret_from_fork+0x10/0x20 [ 44.131879][ C0] irq event stamp: 439957 [ 44.132746][ C0] hardirqs last enabled at (439956): [] folio_memcg_lock+0xe8/0x1f8 [ 44.134597][ C0] hardirqs last disabled at (439957): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.136539][ C0] softirqs last enabled at (439932): [] handle_softirqs+0xb1c/0xc90 [ 44.138457][ C0] softirqs last disabled at (439937): [] run_ksoftirqd+0x7c/0x2ac [ 44.140353][ C0] ---[ end trace 0000000000000000 ]---