Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs 1970/01/01 00:00:32 serving rpc on tcp://42155 syzkaller login: [ 33.233168][ T4339] cgroup: Unknown subsys name 'net' [ 33.518183][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.791881][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.742992][ T4372] chnl_net:caif_netlink_parms(): no params data found [ 38.759479][ T4372] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.760840][ T4372] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.762697][ T4372] device bridge_slave_0 entered promiscuous mode [ 38.765130][ T4372] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.766624][ T4372] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.768214][ T4372] device bridge_slave_1 entered promiscuous mode [ 38.776516][ T4372] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.779029][ T4372] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.785096][ T4372] team0: Port device team_slave_0 added [ 38.788406][ T4372] team0: Port device team_slave_1 added [ 38.793818][ T4372] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.794922][ T4372] 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. [ 38.799443][ T4372] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.802240][ T4372] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.803332][ T4372] 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. [ 38.807695][ T4372] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.866787][ T4372] device hsr_slave_0 entered promiscuous mode [ 38.905771][ T4372] device hsr_slave_1 entered promiscuous mode [ 38.979402][ T4372] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.018233][ T4372] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.048471][ T4372] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.096923][ T4372] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.182333][ T4372] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.183619][ T4372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.184950][ T4372] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.186184][ T4372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.203328][ T4372] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.207366][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.209992][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.212144][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.216659][ T4372] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.237370][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.239377][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.240603][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.242111][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.243999][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.245277][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.252943][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.254969][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.261274][ T4372] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 39.263062][ T4372] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 39.268907][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.270751][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.272691][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.276346][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.324430][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.326128][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.330131][ T4372] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.341774][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.343580][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.346520][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.348037][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.350447][ T4372] device veth0_vlan entered promiscuous mode [ 39.353900][ T4372] device veth1_vlan entered promiscuous mode [ 39.361535][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.363358][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.365001][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.372191][ T4372] device veth0_macvtap entered promiscuous mode [ 39.375164][ T4372] device veth1_macvtap entered promiscuous mode [ 39.380609][ T4372] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.381852][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.384359][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.389039][ T4372] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.390473][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.394032][ T4372] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.395455][ T4372] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.398786][ T4372] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.400270][ T4372] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.822569][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.823955][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.825991][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.838270][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.839658][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.840990][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.939487][ T4422] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.941120][ T4422] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.942702][ T4422] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.944395][ T4422] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.947859][ T4422] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.949198][ T4422] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.659002][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.802779][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.804416][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.806409][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.808143][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.809528][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.810775][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.855333][ T4440] chnl_net:caif_netlink_parms(): no params data found [ 40.871404][ T4440] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.872550][ T4440] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.873919][ T4440] device bridge_slave_0 entered promiscuous mode [ 40.877279][ T4440] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.878593][ T4440] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.880011][ T4440] device bridge_slave_1 entered promiscuous mode [ 40.886312][ T4440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.889168][ T4440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.895416][ T4440] team0: Port device team_slave_0 added [ 40.897348][ T4440] team0: Port device team_slave_1 added [ 40.902243][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.903398][ 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. [ 40.907608][ T4440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.909975][ T4440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.911044][ 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. [ 40.915195][ T4440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.956669][ T4440] device hsr_slave_0 entered promiscuous mode [ 41.005792][ T4440] device hsr_slave_1 entered promiscuous mode [ 41.045630][ T4440] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.047224][ T4440] Cannot create hsr debugfs directory [ 42.875899][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.196921][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.956076][ T4422] Bluetooth: hci0: command 0x041b tx timeout [ 45.356652][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.447451][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.461767][ T4440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.507448][ T4440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.546674][ T4440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.667317][ T4440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.777139][ T4440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.780536][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.782174][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.784632][ T4440] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.787753][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.789494][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.791086][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.792437][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.794173][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.834863][ T4440] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.837242][ T4440] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.839544][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.841309][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.842876][ T1295] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.844046][ T1295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.846358][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.848187][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.850369][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.852097][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.853556][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.855139][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.857820][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.859434][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.861040][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.862916][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.864474][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.866830][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.952415][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.953792][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.957409][ T4440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.963870][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.966624][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.011946][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.013566][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.015288][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.017511][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.019917][ T4440] device veth0_vlan entered promiscuous mode [ 47.023076][ T4440] device veth1_vlan entered promiscuous mode [ 47.029393][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.030957][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.032446][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.034149][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.035993][ T4422] Bluetooth: hci0: command 0x040f tx timeout [ 47.040044][ T4440] device veth0_macvtap entered promiscuous mode [ 47.042535][ T4440] device veth1_macvtap entered promiscuous mode [ 47.110395][ T4440] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.112189][ T4440] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.114404][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.116935][ T4440] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.118723][ T4440] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.121033][ T4440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.122235][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.123888][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.125464][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.127482][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.129072][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.130751][ T1295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.133530][ T4440] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.135002][ T4440] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.136450][ T4440] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.137851][ T4440] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.157701][ T1295] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.160293][ T1295] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.162033][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.167898][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.169233][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.170493][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.317835][ T4532] loop0: detected capacity change from 0 to 32768 [ 47.322147][ T4532] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 47.323579][ T4532] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 47.333764][ T4532] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 47.338023][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 47.339142][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 47.352357][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 47.354172][ T24] gfs2: fsid=syz:syz.0: jid=0: Done [ 47.355148][ T4532] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.456395][ T4440] ------------[ cut here ]------------ [ 47.457487][ T4440] WARNING: CPU: 0 PID: 4440 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 47.459391][ T4440] Modules linked in: [ 47.460105][ T4440] CPU: 0 PID: 4440 Comm: syz-executor Not tainted syzkaller #0 [ 47.461383][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 47.463071][ T4440] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.464369][ T4440] pc : __folio_mark_dirty+0x8b8/0xce0 [ 47.465265][ T4440] lr : __folio_mark_dirty+0x8b8/0xce0 [ 47.466147][ T4440] sp : ffff800020bb7700 [ 47.466861][ T4440] x29: ffff800020bb7710 x28: 1fffff8000775c18 x27: 0000000000000000 [ 47.468214][ T4440] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c0482898 [ 47.469581][ T4440] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018090513 [ 47.470944][ T4440] x20: ffff0000d55fe250 x19: fffffc0003bae0c0 x18: 1fffe00033e7277e [ 47.472343][ T4440] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 47.473663][ T4440] x14: 0000000000000001 x13: 1fffe00018090513 x12: 0000000000000000 [ 47.475039][ T4440] x11: ff008000087148ac x10: 0000000000000000 x9 : ffff8000087148ac [ 47.476451][ T4440] x8 : ffff0000cce11c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.477834][ T4440] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66314 [ 47.479251][ T4440] x2 : ffff0000ced26060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.480636][ T4440] Call trace: [ 47.481211][ T4440] __folio_mark_dirty+0x8b8/0xce0 [ 47.482131][ T4440] mark_buffer_dirty+0x2b8/0x5c0 [ 47.482947][ T4440] gfs2_unpin+0x128/0x918 [ 47.483715][ T4440] buf_lo_after_commit+0x144/0x18c [ 47.484594][ T4440] __gfs2_log_flush+0x12e8/0x1bd4 [ 47.485503][ T4440] gfs2_log_flush+0x3c/0x58 [ 47.486311][ T4440] gfs2_kill_sb+0x5c/0xd8 [ 47.487037][ T4440] deactivate_locked_super+0xb4/0x128 [ 47.487955][ T4440] deactivate_super+0xe4/0x104 [ 47.488750][ T4440] cleanup_mnt+0x3a8/0x430 [ 47.489504][ T4440] __cleanup_mnt+0x20/0x30 [ 47.490224][ T4440] task_work_run+0x1f4/0x280 [ 47.490993][ T4440] do_notify_resume+0x20f8/0x2c84 [ 47.491894][ T4440] el0_svc+0x98/0x128 [ 47.492597][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 47.493462][ T4440] el0t_64_sync+0x18c/0x190 [ 47.494255][ T4440] irq event stamp: 155274 [ 47.495048][ T4440] hardirqs last enabled at (155273): [] folio_memcg_lock+0xe8/0x1f8 [ 47.496685][ T4440] hardirqs last disabled at (155274): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.498506][ T4440] softirqs last enabled at (155144): [] local_bh_enable+0x10/0x34 [ 47.500185][ T4440] softirqs last disabled at (155142): [] local_bh_disable+0x10/0x34 [ 47.501844][ T4440] ---[ end trace 0000000000000000 ]--- [ 47.506112][ T4440] ------------[ cut here ]------------ [ 47.507126][ T4440] WARNING: CPU: 1 PID: 4440 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 47.508814][ T4440] Modules linked in: [ 47.509393][ T4440] CPU: 1 PID: 4440 Comm: syz-executor Tainted: G W syzkaller #0 [ 47.510753][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 47.512493][ T4440] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.513768][ T4440] pc : __folio_start_writeback+0x8a8/0xa98 [ 47.514743][ T4440] lr : __folio_start_writeback+0x8a8/0xa98 [ 47.515705][ T4440] sp : ffff800020bb7180 [ 47.516386][ T4440] x29: ffff800020bb7260 x28: ffff700004176e38 x27: 0000000000000000 [ 47.517684][ T4440] x26: ffff0000c04826f0 x25: 1fffff8000775c19 x24: dfff800000000000 [ 47.518987][ T4440] x23: ffff0000d55fe250 x22: ffff800020bb71e0 x21: ffff0000c0482898 [ 47.520357][ T4440] x20: 0000000000000001 x19: fffffc0003bae0c0 x18: 1fffe00033e7697e [ 47.521711][ T4440] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 47.523104][ T4440] x14: 0000000000000001 x13: 1fffff8000775c18 x12: 0000000000000000 [ 47.524528][ T4440] x11: ff00800008716dd0 x10: 0000000000000000 x9 : ffff800008716dd0 [ 47.525900][ T4440] x8 : ffff0000cce11c00 x7 : ffff800008716820 x6 : 0000000000000000 [ 47.527332][ T4440] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000871685c [ 47.528767][ T4440] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.530145][ T4440] Call trace: [ 47.530702][ T4440] __folio_start_writeback+0x8a8/0xa98 [ 47.531620][ T4440] set_page_writeback+0x5c/0x7c [ 47.532472][ T4440] gfs2_aspace_writepage+0x524/0x6f4 [ 47.533319][ T4440] __gfs2_writepage+0x70/0x184 [ 47.534169][ T4440] write_cache_pages+0x760/0xe00 [ 47.535070][ T4440] gfs2_ail1_flush+0x7a8/0x9f0 [ 47.535891][ T4440] empty_ail1_list+0x130/0x214 [ 47.536766][ T4440] __gfs2_log_flush+0x15c8/0x1bd4 [ 47.537615][ T4440] gfs2_log_flush+0x3c/0x58 [ 47.538414][ T4440] gfs2_kill_sb+0x5c/0xd8 [ 47.539121][ T4440] deactivate_locked_super+0xb4/0x128 [ 47.540158][ T4440] deactivate_super+0xe4/0x104 [ 47.541061][ T4440] cleanup_mnt+0x3a8/0x430 [ 47.541774][ T4440] __cleanup_mnt+0x20/0x30 [ 47.542518][ T4440] task_work_run+0x1f4/0x280 [ 47.543272][ T4440] do_notify_resume+0x20f8/0x2c84 [ 47.544122][ T4440] el0_svc+0x98/0x128 [ 47.544842][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 47.545674][ T4440] el0t_64_sync+0x18c/0x190 [ 47.546508][ T4440] irq event stamp: 155418 [ 47.547213][ T4440] hardirqs last enabled at (155417): [] folio_memcg_lock+0xe8/0x1f8 [ 47.548874][ T4440] hardirqs last disabled at (155418): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.550427][ T4440] softirqs last enabled at (155396): [] handle_softirqs+0xb1c/0xc90 [ 47.552018][ T4440] softirqs last disabled at (155277): [] __do_softirq+0x14/0x20 [ 47.553736][ T4440] ---[ end trace 0000000000000000 ]--- [ 47.560624][ C1] ------------[ cut here ]------------ [ 47.561634][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 47.563304][ C1] Modules linked in: [ 47.563928][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 47.565364][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 47.567061][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.568436][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 47.569369][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 47.570311][ C1] sp : ffff80001cc07980 [ 47.571019][ C1] x29: ffff80001cc079a0 x28: 1fffff8000621299 x27: 1fffff8000621298 [ 47.572550][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c04826f0 [ 47.573931][ C1] x23: ffff0000c0482898 x22: ffff0000d55fc2a0 x21: ffff0000d55fc2a8 [ 47.575314][ C1] x20: 0000000000000001 x19: fffffc00031094c0 x18: 1fffe00033e7697e [ 47.576747][ C1] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 47.578129][ C1] x14: 0000000000000003 x13: 1ffff00003980f22 x12: 0000000000000000 [ 47.579521][ C1] x11: ff0080000871632c x10: 0000000000000000 x9 : ffff80000871632c [ 47.580906][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.582263][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.583668][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.585084][ C1] Call trace: [ 47.585674][ C1] __folio_end_writeback+0x7d0/0x9cc [ 47.586732][ C1] folio_end_writeback+0x12c/0x410 [ 47.587603][ C1] end_page_writeback+0x58/0x74 [ 47.588417][ C1] end_buffer_async_write+0x330/0x4fc [ 47.589358][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 47.590173][ C1] bio_endio+0x750/0x794 [ 47.590820][ C1] blk_update_request+0x4ac/0xc58 [ 47.591581][ C1] blk_mq_end_request+0x54/0x8c [ 47.592408][ C1] lo_complete_rq+0x1e8/0x238 [ 47.593219][ C1] blk_done_softirq+0x11c/0x168 [ 47.594020][ C1] handle_softirqs+0x318/0xc90 [ 47.594848][ C1] run_ksoftirqd+0x7c/0x2ac [ 47.595639][ C1] smpboot_thread_fn+0x4e8/0x960 [ 47.596555][ C1] kthread+0x254/0x2e0 [ 47.597233][ C1] ret_from_fork+0x10/0x20 [ 47.598007][ C1] irq event stamp: 392785 [ 47.598667][ C1] hardirqs last enabled at (392784): [] folio_memcg_lock+0xe8/0x1f8 [ 47.600200][ C1] hardirqs last disabled at (392785): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.601732][ C1] softirqs last enabled at (392770): [] handle_softirqs+0xb1c/0xc90 [ 47.603270][ C1] softirqs last disabled at (392779): [] run_ksoftirqd+0x7c/0x2ac [ 47.604815][ C1] ---[ end trace 0000000000000000 ]---