Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://37703 [ 31.890219][ T4341] cgroup: Unknown subsys name 'net' [ 32.127009][ T4341] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.400474][ T4341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.177293][ T1626] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.178652][ T1626] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.182089][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.190740][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.192197][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.193493][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.533021][ T4372] chnl_net:caif_netlink_parms(): no params data found [ 37.550326][ T4372] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.551665][ T4372] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.553178][ T4372] device bridge_slave_0 entered promiscuous mode [ 37.556390][ T4372] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.557469][ T4372] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.558883][ T4372] device bridge_slave_1 entered promiscuous mode [ 37.566204][ T4372] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.568745][ T4372] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.577080][ T4372] team0: Port device team_slave_0 added [ 37.578895][ T4372] team0: Port device team_slave_1 added [ 37.584937][ T4372] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.586054][ 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. [ 37.590260][ T4372] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.592954][ T4372] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.594202][ 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. [ 37.599096][ T4372] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.635530][ T4372] device hsr_slave_0 entered promiscuous mode [ 37.674477][ T4372] device hsr_slave_1 entered promiscuous mode [ 37.758173][ T4372] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.777079][ T4372] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.836099][ T4372] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.877031][ T4372] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.960545][ T4372] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.962020][ T4372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.963414][ T4372] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.964703][ T4372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.982245][ T4372] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.986777][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.989063][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.991104][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.997671][ T4372] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.001781][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.003476][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.004782][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.009461][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.010995][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.012129][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.018942][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.020883][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.023412][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.027852][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.030701][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.033168][ T4372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.088429][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.089838][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.094070][ T4372] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.107575][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.120293][ T4372] device veth0_vlan entered promiscuous mode [ 38.123824][ T4372] device veth1_vlan entered promiscuous mode [ 38.129493][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.131174][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.133227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.135305][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.142557][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.144136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.148230][ T4372] device veth0_macvtap entered promiscuous mode [ 38.150769][ T4372] device veth1_macvtap entered promiscuous mode [ 38.156817][ T4372] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.158087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.160018][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.163035][ T4372] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.166097][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.169012][ T4372] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.170415][ T4372] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.171780][ T4372] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.173076][ T4372] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.306526][ T4405] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.308016][ T4405] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.309382][ T4405] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.310960][ T4405] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.312310][ T4405] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.313644][ T4405] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:39 executed programs: 0 [ 39.688937][ T4405] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.690583][ T4405] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.691965][ T4405] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.693458][ T4405] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.695498][ T4405] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.696825][ T4405] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.777260][ T4442] chnl_net:caif_netlink_parms(): no params data found [ 39.792743][ T4442] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.794001][ T4442] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.796769][ T4442] device bridge_slave_0 entered promiscuous mode [ 39.798726][ T4442] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.799905][ T4442] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.801378][ T4442] device bridge_slave_1 entered promiscuous mode [ 40.127775][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.133995][ T4442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.137649][ T4442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.143839][ T4442] team0: Port device team_slave_0 added [ 40.145991][ T4442] team0: Port device team_slave_1 added [ 40.151375][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.152644][ T4442] 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. [ 40.157543][ T4442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.160060][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.161294][ T4442] 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. [ 40.165728][ T4442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.236331][ T4442] device hsr_slave_0 entered promiscuous mode [ 40.274462][ T4442] device hsr_slave_1 entered promiscuous mode [ 40.324531][ T4442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.325903][ T4442] Cannot create hsr debugfs directory [ 41.754773][ T4405] Bluetooth: hci0: command 0x0409 tx timeout [ 43.145080][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.786242][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.834596][ T4405] Bluetooth: hci0: command 0x041b tx timeout [ 43.866327][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.916782][ T4442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.975717][ T4442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.015654][ T4442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.266062][ T4442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.385195][ T4442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.388652][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.390148][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.393064][ T4442] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.395860][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.397704][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.399177][ T4394] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.400328][ T4394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.402330][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.446145][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.447904][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.449417][ T1626] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.450530][ T1626] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.453065][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.456113][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.458789][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.461610][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.463177][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.466876][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.468579][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.471198][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.472824][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.528829][ T4442] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.531020][ T4442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.534364][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.536028][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.628270][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.629608][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.632562][ T4442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.639110][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.640866][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.646341][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.647829][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.649827][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.651292][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.653497][ T4442] device veth0_vlan entered promiscuous mode [ 45.657054][ T4442] device veth1_vlan entered promiscuous mode [ 45.663958][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.666702][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.668524][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.670469][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.673149][ T4442] device veth0_macvtap entered promiscuous mode [ 45.676173][ T4442] device veth1_macvtap entered promiscuous mode [ 45.680449][ T4442] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 45.682224][ T4442] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.684469][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.686655][ T4442] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 45.688461][ T4442] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.690900][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.692228][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.693905][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.696525][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.698112][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.699863][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.701473][ T4394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.728352][ T4442] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.729841][ T4442] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.731225][ T4442] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.732646][ T4442] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.753597][ T4394] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.757120][ T4394] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.758628][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.817034][ T4394] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.818333][ T4394] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.819676][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.914335][ T4405] Bluetooth: hci0: command 0x040f tx timeout [ 45.987977][ T4502] loop0: detected capacity change from 0 to 32768 [ 45.994210][ T4502] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.997003][ T4502] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 46.001805][ T4502] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 46.006027][ T4393] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 46.007209][ T4393] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 46.022481][ T4393] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms [ 46.024963][ T4393] gfs2: fsid=syz:syz.0: jid=0: Done [ 46.026337][ T4502] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 46.098195][ T4442] ------------[ cut here ]------------ [ 46.099300][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 46.100997][ T4442] Modules linked in: [ 46.101647][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Not tainted syzkaller #0 [ 46.102893][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 46.104524][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.105867][ T4442] pc : __folio_mark_dirty+0x8b8/0xce0 [ 46.106810][ T4442] lr : __folio_mark_dirty+0x8b8/0xce0 [ 46.107687][ T4442] sp : ffff8000207c7620 [ 46.108395][ T4442] x29: ffff8000207c7630 x28: 1fffff80006f32a0 x27: 0000000000000000 [ 46.109703][ T4442] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c536be98 [ 46.111072][ T4442] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018a6d7d3 [ 46.112504][ T4442] x20: ffff0000cde12250 x19: fffffc0003799500 x18: 1fffe00033e7697e [ 46.113832][ T4442] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 46.115099][ T4442] x14: 0000000000000001 x13: 1fffe00018a6d7d3 x12: 0000000000000000 [ 46.116392][ T4442] x11: ff00800008715320 x10: 0000000000000000 x9 : ffff800008715320 [ 46.117726][ T4442] x8 : ffff0000cc681c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.119092][ T4442] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66f8c [ 46.120449][ T4442] x2 : ffff0000cecd6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.121852][ T4442] Call trace: [ 46.122460][ T4442] __folio_mark_dirty+0x8b8/0xce0 [ 46.123281][ T4442] mark_buffer_dirty+0x2b8/0x5c0 [ 46.124138][ T4442] gfs2_unpin+0x128/0x918 [ 46.124856][ T4442] buf_lo_after_commit+0x144/0x18c [ 46.125780][ T4442] __gfs2_log_flush+0x12e8/0x1bd4 [ 46.126605][ T4442] gfs2_log_flush+0x3c/0x58 [ 46.127395][ T4442] gfs2_kill_sb+0x5c/0xd8 [ 46.128147][ T4442] deactivate_locked_super+0xb4/0x128 [ 46.129052][ T4442] deactivate_super+0xe4/0x104 [ 46.129844][ T4442] cleanup_mnt+0x3a8/0x430 [ 46.130621][ T4442] __cleanup_mnt+0x20/0x30 [ 46.131468][ T4442] task_work_run+0x1f4/0x280 [ 46.132225][ T4442] get_signal+0x1140/0x133c [ 46.132981][ T4442] do_notify_resume+0x364/0x2c84 [ 46.133843][ T4442] el0_svc+0x98/0x128 [ 46.134510][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 46.135340][ T4442] el0t_64_sync+0x18c/0x190 [ 46.136074][ T4442] irq event stamp: 150720 [ 46.136793][ T4442] hardirqs last enabled at (150719): [] folio_memcg_lock+0xe8/0x1f8 [ 46.138433][ T4442] hardirqs last disabled at (150720): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.140092][ T4442] softirqs last enabled at (150614): [] local_bh_enable+0x10/0x34 [ 46.141924][ T4442] softirqs last disabled at (150612): [] local_bh_disable+0x10/0x34 [ 46.143604][ T4442] ---[ end trace 0000000000000000 ]--- [ 46.157663][ T4442] ------------[ cut here ]------------ [ 46.158652][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 46.160396][ T4442] Modules linked in: [ 46.161007][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Tainted: G W syzkaller #0 [ 46.162391][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 46.163948][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.165229][ T4442] pc : __folio_start_writeback+0x8a8/0xa98 [ 46.166233][ T4442] lr : __folio_start_writeback+0x8a8/0xa98 [ 46.167278][ T4442] sp : ffff8000207c70a0 [ 46.168028][ T4442] x29: ffff8000207c7180 x28: ffff7000040f8e1c x27: 0000000000000000 [ 46.169454][ T4442] x26: ffff0000c536bcf0 x25: 1fffff80006f32a1 x24: dfff800000000000 [ 46.170843][ T4442] x23: ffff0000cde12250 x22: ffff8000207c7100 x21: ffff0000c536be98 [ 46.172251][ T4442] x20: 0000000000000001 x19: fffffc0003799500 x18: 1fffe00033e7697e [ 46.173603][ T4442] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 46.175005][ T4442] x14: 0000000000000001 x13: 1fffff80006f32a0 x12: 0000000000000000 [ 46.176397][ T4442] x11: ff00800008717844 x10: 0000000000000000 x9 : ffff800008717844 [ 46.177747][ T4442] x8 : ffff0000cc681c00 x7 : ffff800008717294 x6 : 0000000000000000 [ 46.179164][ T4442] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087172d0 [ 46.180475][ T4442] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.181814][ T4442] Call trace: [ 46.182384][ T4442] __folio_start_writeback+0x8a8/0xa98 [ 46.183302][ T4442] set_page_writeback+0x5c/0x7c [ 46.184141][ T4442] gfs2_aspace_writepage+0x524/0x6f4 [ 46.185089][ T4442] __gfs2_writepage+0x70/0x184 [ 46.185942][ T4442] write_cache_pages+0x760/0xe00 [ 46.186824][ T4442] gfs2_ail1_flush+0x7a8/0x9f0 [ 46.187678][ T4442] empty_ail1_list+0x130/0x214 [ 46.188429][ T4442] __gfs2_log_flush+0x15c8/0x1bd4 [ 46.189248][ T4442] gfs2_log_flush+0x3c/0x58 [ 46.190053][ T4442] gfs2_kill_sb+0x5c/0xd8 [ 46.190787][ T4442] deactivate_locked_super+0xb4/0x128 [ 46.191733][ T4442] deactivate_super+0xe4/0x104 [ 46.192500][ T4442] cleanup_mnt+0x3a8/0x430 [ 46.193224][ T4442] __cleanup_mnt+0x20/0x30 [ 46.193975][ T4442] task_work_run+0x1f4/0x280 [ 46.194728][ T4442] get_signal+0x1140/0x133c [ 46.195479][ T4442] do_notify_resume+0x364/0x2c84 [ 46.196298][ T4442] el0_svc+0x98/0x128 [ 46.196983][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 46.198018][ T4442] el0t_64_sync+0x18c/0x190 [ 46.198780][ T4442] irq event stamp: 150890 [ 46.199486][ T4442] hardirqs last enabled at (150889): [] folio_memcg_lock+0xe8/0x1f8 [ 46.201101][ T4442] hardirqs last disabled at (150890): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.202774][ T4442] softirqs last enabled at (150864): [] handle_softirqs+0xb1c/0xc90 [ 46.204515][ T4442] softirqs last disabled at (150723): [] __do_softirq+0x14/0x20 [ 46.206176][ T4442] ---[ end trace 0000000000000000 ]--- [ 46.210718][ C1] ------------[ cut here ]------------ [ 46.211720][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 46.213278][ C1] Modules linked in: [ 46.213914][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 46.215366][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 46.217090][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.218389][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 46.219354][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 46.220330][ C1] sp : ffff80001cc07980 [ 46.221019][ C1] x29: ffff80001cc079a0 x28: 1fffff8000700b79 x27: 1fffff8000700b78 [ 46.222383][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c536bcf0 [ 46.223700][ C1] x23: ffff0000c536be98 x22: ffff0000cde102a0 x21: ffff0000cde102a8 [ 46.225120][ C1] x20: 0000000000000001 x19: fffffc0003805bc0 x18: 1fffe00033e7697e [ 46.226413][ C1] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 46.227822][ C1] x14: 0000000000000003 x13: 1ffff00003980f22 x12: 0000000000000000 [ 46.229159][ C1] x11: ff00800008716da0 x10: 0000000000000000 x9 : ffff800008716da0 [ 46.230590][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.231933][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 46.233220][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.234552][ C1] Call trace: [ 46.235090][ C1] __folio_end_writeback+0x7d0/0x9cc [ 46.236048][ C1] folio_end_writeback+0x12c/0x410 [ 46.236909][ C1] end_page_writeback+0x58/0x74 [ 46.237738][ C1] end_buffer_async_write+0x330/0x4fc [ 46.238643][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 46.239413][ C1] bio_endio+0x750/0x794 [ 46.240091][ C1] blk_update_request+0x4ac/0xc58 [ 46.240947][ C1] blk_mq_end_request+0x54/0x8c [ 46.241794][ C1] lo_complete_rq+0x1e8/0x238 [ 46.242649][ C1] blk_done_softirq+0x11c/0x168 [ 46.243439][ C1] handle_softirqs+0x318/0xc90 [ 46.244218][ C1] run_ksoftirqd+0x7c/0x2ac [ 46.245028][ C1] smpboot_thread_fn+0x4e8/0x960 [ 46.245901][ C1] kthread+0x254/0x2e0 [ 46.246604][ C1] ret_from_fork+0x10/0x20 [ 46.247298][ C1] irq event stamp: 396581 [ 46.247995][ C1] hardirqs last enabled at (396580): [] folio_memcg_lock+0xe8/0x1f8 [ 46.249552][ C1] hardirqs last disabled at (396581): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.251263][ C1] softirqs last enabled at (396568): [] handle_softirqs+0xb1c/0xc90 [ 46.252855][ C1] softirqs last disabled at (396575): [] run_ksoftirqd+0x7c/0x2ac [ 46.254457][ C1] ---[ end trace 0000000000000000 ]---