Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.592369][ T4324] cgroup: Unknown subsys name 'net' [ 32.868311][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.152140][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.904957][ T4349] chnl_net:caif_netlink_parms(): no params data found [ 37.922260][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.923614][ T4349] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.925156][ T4349] device bridge_slave_0 entered promiscuous mode [ 37.927948][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.929147][ T4349] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.930549][ T4349] device bridge_slave_1 entered promiscuous mode [ 37.939044][ T4349] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.941417][ T4349] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.949266][ T4349] team0: Port device team_slave_0 added [ 37.951008][ T4349] team0: Port device team_slave_1 added [ 37.956978][ T4349] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.958050][ 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. [ 37.962199][ T4349] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.964867][ T4349] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.966307][ 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. [ 37.970497][ T4349] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.016811][ T4349] device hsr_slave_0 entered promiscuous mode [ 38.055707][ T4349] device hsr_slave_1 entered promiscuous mode [ 38.131079][ T4349] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.169121][ T4349] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.218268][ T4349] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.267715][ T4349] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.333955][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.335241][ T4349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.336714][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.337928][ T4349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.355891][ T4349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.359379][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.362070][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.364151][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.367405][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.372267][ T4349] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.375170][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.377755][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.378926][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.384202][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.386691][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.387857][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.394537][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.396812][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.400003][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.402806][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.405447][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.410693][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.519183][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.520626][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.524003][ T4349] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.531092][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.539652][ T4349] device veth0_vlan entered promiscuous mode [ 38.542956][ T4349] device veth1_vlan entered promiscuous mode [ 38.546404][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.548085][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.549478][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.550869][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.552408][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.559857][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.562192][ T4349] device veth0_macvtap entered promiscuous mode [ 38.564585][ T4349] device veth1_macvtap entered promiscuous mode [ 38.570242][ T4349] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.571497][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.573850][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.578054][ T4349] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.579462][ T200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.582205][ T4349] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.583708][ T4349] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.585209][ T4349] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.587361][ T4349] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.408367][ T4403] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.410197][ T4403] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.411617][ T4403] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.413163][ T4403] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.414552][ T4403] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.416758][ T4403] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.565435][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.567178][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.569199][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.581080][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.582312][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.583640][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.910317][ T200] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:39 executed programs: 0 [ 39.990709][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.992299][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.993643][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.995491][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.000246][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.001533][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.047665][ T4417] chnl_net:caif_netlink_parms(): no params data found [ 40.062699][ T4417] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.063953][ T4417] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.066198][ T4417] device bridge_slave_0 entered promiscuous mode [ 40.068222][ T4417] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.069472][ T4417] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.071038][ T4417] device bridge_slave_1 entered promiscuous mode [ 40.079569][ T4417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.082661][ T4417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.090628][ T4417] team0: Port device team_slave_0 added [ 40.092515][ T4417] team0: Port device team_slave_1 added [ 40.098136][ T4417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.099272][ T4417] 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. [ 40.103841][ T4417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.107251][ T4417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.108380][ T4417] 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. [ 40.112679][ T4417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.166757][ T4417] device hsr_slave_0 entered promiscuous mode [ 40.195810][ T4417] device hsr_slave_1 entered promiscuous mode [ 40.245614][ T4417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.246924][ T4417] Cannot create hsr debugfs directory [ 41.966720][ T200] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.075915][ T4403] Bluetooth: hci0: command 0x0409 tx timeout [ 44.156071][ T4403] Bluetooth: hci0: command 0x041b tx timeout [ 44.306657][ T200] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.407639][ T200] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.576859][ T4417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.668026][ T4417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.716979][ T4417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.807900][ T4417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.929343][ T4417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.932974][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.934410][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.937755][ T4417] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.940494][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.942061][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.943499][ T1605] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.944657][ T1605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.946563][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.036821][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.038606][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.040191][ T1605] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.041395][ T1605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.042866][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.044534][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.046265][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.048342][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.049962][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.051584][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.053060][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.054620][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.056425][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.057942][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.059478][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.061993][ T4417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.220055][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.221399][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.224313][ T4417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.230411][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.232061][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.235646][ T4403] Bluetooth: hci0: command 0x040f tx timeout [ 46.239665][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.241193][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.242903][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.244313][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.248043][ T4417] device veth0_vlan entered promiscuous mode [ 46.251175][ T4417] device veth1_vlan entered promiscuous mode [ 46.302570][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.304182][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.306264][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.307852][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.310521][ T4417] device veth0_macvtap entered promiscuous mode [ 46.313268][ T4417] device veth1_macvtap entered promiscuous mode [ 46.318800][ T4417] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.320500][ T4417] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.322690][ T4417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.323929][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.329058][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.330576][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.332144][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.334846][ T4417] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.336708][ T4417] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.338839][ T4417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.340056][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.341728][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.344209][ T4417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.346164][ T4417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.347572][ T4417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.348952][ T4417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.407039][ T1605] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.408196][ T1605] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.410037][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.411747][ T1605] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.413011][ T1605] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.414538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 46.586444][ T4518] loop0: detected capacity change from 0 to 32768 [ 46.591331][ T4518] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 46.593164][ T4518] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 46.602545][ T4518] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 46.604936][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 46.606161][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 46.620514][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 46.623180][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 46.624252][ T4518] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 46.712267][ T4518] gfs2: fsid=syz:syz.0: found 1 quota changes [ 46.739586][ T4417] ------------[ cut here ]------------ [ 46.740579][ T4417] WARNING: CPU: 1 PID: 4417 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 46.742283][ T4417] Modules linked in: [ 46.742945][ T4417] CPU: 1 PID: 4417 Comm: syz-executor Not tainted syzkaller #0 [ 46.744225][ T4417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 46.745975][ T4417] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.747376][ T4417] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 46.748302][ T4417] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 46.749253][ T4417] sp : ffff8000206772c0 [ 46.749964][ T4417] x29: ffff8000206772e0 x28: 1fffff80006b9918 x27: dfff800000000000 [ 46.751334][ T4417] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 46.752647][ T4417] x23: 0000000000000000 x22: fffffc00035cc8c8 x21: 1fffe00018093932 [ 46.754000][ T4417] x20: ffff0000d5a4e250 x19: fffffc00035cc8c0 x18: ffff800011b9bf60 [ 46.755385][ T4417] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 46.756800][ T4417] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 46.758181][ T4417] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 46.759548][ T4417] x8 : ffff0000cfc0d340 x7 : ffff80000870989c x6 : 0000000000000000 [ 46.760993][ T4417] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a58a88 [ 46.762496][ T4417] x2 : ffff0000ceeb8060 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.763884][ T4417] Call trace: [ 46.764454][ T4417] __folio_mark_dirty+0x8a0/0xcd8 [ 46.765274][ T4417] mark_buffer_dirty+0x2b8/0x5c0 [ 46.766161][ T4417] gfs2_unpin+0x120/0x8fc [ 46.766878][ T4417] buf_lo_after_commit+0x140/0x188 [ 46.767717][ T4417] gfs2_log_flush+0xc00/0x1b20 [ 46.768526][ T4417] do_sync+0x8cc/0xaec [ 46.769227][ T4417] gfs2_quota_sync+0x2cc/0x500 [ 46.770010][ T4417] gfs2_sync_fs+0x4c/0xc4 [ 46.770726][ T4417] sync_filesystem+0xe8/0x218 [ 46.771537][ T4417] generic_shutdown_super+0x70/0x324 [ 46.772495][ T4417] kill_block_super+0x70/0xdc [ 46.773348][ T4417] gfs2_kill_sb+0xc0/0xd4 [ 46.774076][ T4417] deactivate_locked_super+0xac/0x120 [ 46.775062][ T4417] deactivate_super+0xe4/0x104 [ 46.775886][ T4417] cleanup_mnt+0x390/0x418 [ 46.776914][ T4417] __cleanup_mnt+0x20/0x30 [ 46.777690][ T4417] task_work_run+0x1ec/0x278 [ 46.778521][ T4417] get_signal+0x111c/0x1304 [ 46.779311][ T4417] do_notify_resume+0x33c/0x2aa4 [ 46.780177][ T4417] el0_svc+0x98/0x128 [ 46.780850][ T4417] el0t_64_sync_handler+0x84/0xf0 [ 46.781754][ T4417] el0t_64_sync+0x18c/0x190 [ 46.782509][ T4417] irq event stamp: 154622 [ 46.783225][ T4417] hardirqs last enabled at (154621): [] folio_memcg_lock+0xe8/0x1f4 [ 46.784901][ T4417] hardirqs last disabled at (154622): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.786696][ T4417] softirqs last enabled at (153708): [] handle_softirqs+0xaec/0xc60 [ 46.788380][ T4417] softirqs last disabled at (153697): [] __do_softirq+0x14/0x20 [ 46.789997][ T4417] ---[ end trace 0000000000000000 ]--- [ 46.806857][ T1605] ------------[ cut here ]------------ [ 46.807790][ T1605] WARNING: CPU: 0 PID: 1605 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 46.809361][ T1605] Modules linked in: [ 46.809968][ T1605] CPU: 0 PID: 1605 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 46.811403][ T1605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 46.813136][ T1605] Workqueue: writeback wb_workfn (flush-7:0) [ 46.814144][ T1605] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.815388][ T1605] pc : __folio_start_writeback+0x88c/0xa7c [ 46.816364][ T1605] lr : __folio_start_writeback+0x88c/0xa7c [ 46.817351][ T1605] sp : ffff8000259e6c80 [ 46.818072][ T1605] x29: ffff8000259e6d60 x28: dfff800000000000 x27: 0000000000000000 [ 46.819457][ T1605] x26: ffff700004b3cd98 x25: 0000000000000000 x24: ffff0000d5a4ece0 [ 46.820794][ T1605] x23: ffff8000259e6ce0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 46.822185][ T1605] x20: fffffc000369fbc8 x19: fffffc000369fbc0 x18: ffff800011b9bf60 [ 46.823592][ T1605] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 46.824955][ T1605] x14: 0000000000000001 x13: 1fffff80006d3f78 x12: 0000000000ff0100 [ 46.826314][ T1605] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 46.827784][ T1605] x8 : ffff0000cff5d340 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.829255][ T1605] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870c0b0 [ 46.830710][ T1605] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.832184][ T1605] Call trace: [ 46.832779][ T1605] __folio_start_writeback+0x88c/0xa7c [ 46.833783][ T1605] set_page_writeback+0x5c/0x7c [ 46.834616][ T1605] gfs2_aspace_writepage+0x514/0x6dc [ 46.835521][ T1605] __writepage+0x70/0x184 [ 46.836310][ T1605] write_cache_pages+0x74c/0xde8 [ 46.837171][ T1605] do_writepages+0x318/0x504 [ 46.837971][ T1605] filemap_fdatawrite_wbc+0x124/0x174 [ 46.838901][ T1605] filemap_fdatawrite+0xd0/0x12c [ 46.839752][ T1605] gfs2_write_inode+0x234/0x34c [ 46.840561][ T1605] __writeback_single_inode+0x5e0/0x1554 [ 46.841579][ T1605] writeback_sb_inodes+0x858/0x143c [ 46.842484][ T1605] wb_writeback+0x414/0xfcc [ 46.843281][ T1605] wb_workfn+0x360/0xe18 [ 46.844031][ T1605] process_one_work+0x7f8/0x13a4 [ 46.844856][ T1605] worker_thread+0x8c4/0xfec [ 46.845685][ T1605] kthread+0x250/0x2d8 [ 46.846373][ T1605] ret_from_fork+0x10/0x20 [ 46.847127][ T1605] irq event stamp: 158450 [ 46.847874][ T1605] hardirqs last enabled at (158449): [] folio_memcg_lock+0xe8/0x1f4 [ 46.849593][ T1605] hardirqs last disabled at (158450): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.851373][ T1605] softirqs last enabled at (158390): [] batadv_nc_purge_paths+0x2f0/0x378 [ 46.853135][ T1605] softirqs last disabled at (158388): [] batadv_nc_purge_paths+0xd0/0x378 [ 46.854851][ T1605] ---[ end trace 0000000000000000 ]--- [ 46.860129][ C1] ------------[ cut here ]------------ [ 46.861049][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 46.862703][ C1] Modules linked in: [ 46.863328][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 46.864793][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 46.866453][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.867781][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 46.868698][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 46.869671][ C1] sp : ffff80001ca97970 [ 46.870355][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 46.871724][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff80006d3f78 [ 46.873060][ C1] x23: 0000000000000001 x22: ffff0000d5a4ece0 x21: ffff0000d5a4ece8 [ 46.874443][ C1] x20: 0000000000000001 x19: fffffc000369fbc0 x18: ffff800011b9bf60 [ 46.875828][ C1] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 46.877201][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 46.878482][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 46.879813][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.881159][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 46.882482][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.883707][ C1] Call trace: [ 46.884215][ C1] __folio_end_writeback+0x7d0/0x9cc [ 46.885037][ C1] folio_end_writeback+0x12c/0x410 [ 46.885874][ C1] end_page_writeback+0x58/0x74 [ 46.886680][ C1] end_buffer_async_write+0x32c/0x4f4 [ 46.887536][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 46.888375][ C1] bio_endio+0x750/0x794 [ 46.889102][ C1] blk_update_request+0x49c/0xbec [ 46.889988][ C1] blk_mq_end_request+0x54/0x88 [ 46.890780][ C1] lo_complete_rq+0x1ec/0x250 [ 46.891595][ C1] blk_done_softirq+0x11c/0x168 [ 46.892409][ C1] handle_softirqs+0x318/0xc60 [ 46.893259][ C1] run_ksoftirqd+0x7c/0x2ac [ 46.894015][ C1] smpboot_thread_fn+0x4b0/0x964 [ 46.894827][ C1] kthread+0x250/0x2d8 [ 46.895506][ C1] ret_from_fork+0x10/0x20 [ 46.896230][ C1] irq event stamp: 462467 [ 46.896937][ C1] hardirqs last enabled at (462466): [] folio_memcg_lock+0xe8/0x1f4 [ 46.898588][ C1] hardirqs last disabled at (462467): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.900379][ C1] softirqs last enabled at (462442): [] handle_softirqs+0xaec/0xc60 [ 46.902008][ C1] softirqs last disabled at (462447): [] run_ksoftirqd+0x7c/0x2ac [ 46.903625][ C1] ---[ end trace 0000000000000000 ]---