Warning: Permanently added '10.128.1.39' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs syzkaller login: [ 33.439065][ T4324] cgroup: Unknown subsys name 'net' [ 33.676975][ T4324] cgroup: Unknown subsys name 'rlimit' [ 33.971175][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.227928][ T4346] chnl_net:caif_netlink_parms(): no params data found [ 39.245979][ T4346] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.247241][ T4346] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.248748][ T4346] device bridge_slave_0 entered promiscuous mode [ 39.251019][ T4346] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.252130][ T4346] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.253497][ T4346] device bridge_slave_1 entered promiscuous mode [ 39.262819][ T4346] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.265637][ T4346] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.272488][ T4346] team0: Port device team_slave_0 added [ 39.274095][ T4346] team0: Port device team_slave_1 added [ 39.280888][ T4346] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.281924][ T4346] 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. [ 39.286045][ T4346] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.288605][ T4346] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.289731][ T4346] 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. [ 39.293394][ T4346] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.345959][ T4346] device hsr_slave_0 entered promiscuous mode [ 39.384559][ T4346] device hsr_slave_1 entered promiscuous mode [ 39.469604][ T4346] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.517447][ T4346] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.557039][ T4346] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.626429][ T4346] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.673702][ T4346] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.675045][ T4346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.676333][ T4346] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.677567][ T4346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.695891][ T4346] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.699772][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.702221][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.703925][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.706472][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.711356][ T4346] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.714847][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.716303][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.717384][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.721817][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.723198][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.724395][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.731375][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.732965][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.737052][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.739910][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.742661][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.746848][ T4346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.813267][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.814748][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.818575][ T4346] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.824705][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.831709][ T4346] device veth0_vlan entered promiscuous mode [ 39.835356][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.837037][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.838384][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.840445][ T4346] device veth1_vlan entered promiscuous mode [ 39.841704][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.849315][ T4346] device veth0_macvtap entered promiscuous mode [ 39.852033][ T4346] device veth1_macvtap entered promiscuous mode [ 39.854326][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.855958][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.857506][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.861955][ T4346] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.863201][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.868484][ T4346] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.869802][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.872316][ T4346] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.873680][ T4346] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.875740][ T4346] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.877182][ T4346] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.960921][ T4370] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.962644][ T4370] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.963961][ T4370] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.965832][ T4370] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.967234][ T4370] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.968478][ T4370] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.083510][ T1574] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.085552][ T1574] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.087591][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.093652][ T268] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.095815][ T268] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.098232][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 40.965577][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.967557][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.968932][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.970481][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.971845][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.973065][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.022359][ T4423] chnl_net:caif_netlink_parms(): no params data found [ 41.037619][ T4423] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.038835][ T4423] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.040345][ T4423] device bridge_slave_0 entered promiscuous mode [ 41.042336][ T4423] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.043436][ T4423] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.045731][ T4423] device bridge_slave_1 entered promiscuous mode [ 41.333089][ T4423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.337992][ T4423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.375709][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.386167][ T4423] team0: Port device team_slave_0 added [ 41.387991][ T4423] team0: Port device team_slave_1 added [ 41.393730][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.395043][ T4423] 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. [ 41.399268][ T4423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.401604][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.402633][ T4423] 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. [ 41.406699][ T4423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.465292][ T4423] device hsr_slave_0 entered promiscuous mode [ 41.504450][ T4423] device hsr_slave_1 entered promiscuous mode [ 41.544435][ T4423] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.545738][ T4423] Cannot create hsr debugfs directory [ 43.054674][ T4370] Bluetooth: hci0: command 0x0409 tx timeout [ 44.405513][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.134509][ T4370] Bluetooth: hci0: command 0x041b tx timeout [ 45.565661][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.646212][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.567086][ T4423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.666333][ T4423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.776377][ T4423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.835988][ T4423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.945287][ T4423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.949249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.950748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.953136][ T4423] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.997104][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.998688][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.000219][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.001430][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.003033][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.006025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.007477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.008957][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.010103][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.012498][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.015354][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.018519][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.020249][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.021833][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.024462][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.026078][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.029105][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.030568][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.033044][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.036331][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.067329][ T4423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.178521][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.179909][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.182998][ T4423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.188978][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.190504][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.197003][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.198554][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.200166][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.201478][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.203560][ T4423] device veth0_vlan entered promiscuous mode [ 47.206836][ T4423] device veth1_vlan entered promiscuous mode [ 47.213195][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.214753][ T4370] Bluetooth: hci0: command 0x040f tx timeout [ 47.216401][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.218150][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.219595][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.222158][ T4423] device veth0_macvtap entered promiscuous mode [ 47.225587][ T4423] device veth1_macvtap entered promiscuous mode [ 47.260308][ T4423] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.261955][ T4423] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.264037][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.265514][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.267067][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.268410][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.269908][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.272113][ T4423] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.273740][ T4423] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.275960][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.277156][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.278673][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.281074][ T4423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.282584][ T4423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.283983][ T4423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.286001][ T4423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.302438][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.306321][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.348479][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.352225][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.353462][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.356331][ T4398] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.515449][ T4508] loop0: detected capacity change from 0 to 32768 [ 47.520599][ T4508] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 47.521974][ T4508] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 47.536352][ T4508] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 47.539206][ T4386] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 47.540321][ T4386] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 47.560038][ T4386] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 19ms [ 47.561673][ T4386] gfs2: fsid=syz:syz.0: jid=0: Done [ 47.562761][ T4508] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.648782][ T4508] gfs2: fsid=syz:syz.0: found 1 quota changes [ 47.686934][ T4423] ------------[ cut here ]------------ [ 47.687831][ T4423] WARNING: CPU: 1 PID: 4423 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 47.689501][ T4423] Modules linked in: [ 47.690118][ T4423] CPU: 1 PID: 4423 Comm: syz-executor Not tainted syzkaller #0 [ 47.691236][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.692638][ T4423] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.693816][ T4423] pc : __folio_mark_dirty+0x8a0/0xce0 [ 47.694627][ T4423] lr : __folio_mark_dirty+0x8a0/0xce0 [ 47.695483][ T4423] sp : ffff800020fc73c0 [ 47.696125][ T4423] x29: ffff800020fc73e0 x28: 1fffff800064e780 x27: dfff800000000000 [ 47.697366][ T4423] x26: 0000000000000000 x25: ffff0000c0581290 x24: 0000000000000001 [ 47.698648][ T4423] x23: 0000000000000000 x22: fffffc0003273c08 x21: 1fffe000180b0252 [ 47.699990][ T4423] x20: ffff0000d1a38d30 x19: fffffc0003273c00 x18: ffff800011abbcc0 [ 47.701313][ T4423] x17: ffff8000181f8000 x16: ffff8000082d0e30 x15: ffff800017cd8fc0 [ 47.702529][ T4423] x14: ffff0000d7c5ddd8 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 47.703884][ T4423] x11: ff008000086fb7c0 x10: 0000000000000000 x9 : ffff8000086fb7c0 [ 47.705180][ T4423] x8 : ffff0000d7c5d340 x7 : ffff8000086faf64 x6 : 0000000000000000 [ 47.706467][ T4423] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a462a0 [ 47.707806][ T4423] x2 : ffff0000ce4d0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.709115][ T4423] Call trace: [ 47.709621][ T4423] __folio_mark_dirty+0x8a0/0xce0 [ 47.710439][ T4423] mark_buffer_dirty+0x2b8/0x5cc [ 47.711221][ T4423] gfs2_unpin+0x120/0x914 [ 47.711897][ T4423] buf_lo_after_commit+0x140/0x188 [ 47.712738][ T4423] gfs2_log_flush+0xbc8/0x1aa0 [ 47.713488][ T4423] do_sync+0x88c/0xa94 [ 47.714135][ T4423] gfs2_quota_sync+0x2e0/0x528 [ 47.714864][ T4423] gfs2_sync_fs+0x4c/0xc4 [ 47.715500][ T4423] sync_filesystem+0xe8/0x218 [ 47.716168][ T4423] generic_shutdown_super+0x70/0x324 [ 47.716894][ T4423] kill_block_super+0x70/0xdc [ 47.717564][ T4423] gfs2_kill_sb+0xc0/0xd4 [ 47.718259][ T4423] deactivate_locked_super+0xac/0x124 [ 47.719059][ T4423] deactivate_super+0xe8/0x108 [ 47.719761][ T4423] cleanup_mnt+0x37c/0x404 [ 47.720390][ T4423] __cleanup_mnt+0x20/0x30 [ 47.721032][ T4423] task_work_run+0x1ec/0x270 [ 47.721686][ T4423] do_notify_resume+0x1f70/0x2b0c [ 47.722389][ T4423] el0_svc+0x98/0x138 [ 47.723003][ T4423] el0t_64_sync_handler+0x84/0xf0 [ 47.723818][ T4423] el0t_64_sync+0x18c/0x190 [ 47.724559][ T4423] irq event stamp: 164580 [ 47.725209][ T4423] hardirqs last enabled at (164579): [] folio_memcg_lock+0xe8/0x1fc [ 47.726760][ T4423] hardirqs last disabled at (164580): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.728329][ T4423] softirqs last enabled at (164462): [] handle_softirqs+0xaf8/0xc6c [ 47.729837][ T4423] softirqs last disabled at (164445): [] __do_softirq+0x14/0x20 [ 47.731178][ T4423] ---[ end trace 0000000000000000 ]--- [ 47.747258][ T4398] ------------[ cut here ]------------ [ 47.748236][ T4398] WARNING: CPU: 0 PID: 4398 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 47.749937][ T4398] Modules linked in: [ 47.750527][ T4398] CPU: 0 PID: 4398 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 47.751896][ T4398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.753365][ T4398] Workqueue: writeback wb_workfn (flush-7:0) [ 47.754245][ T4398] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.755479][ T4398] pc : __folio_start_writeback+0x868/0xa68 [ 47.756305][ T4398] lr : __folio_start_writeback+0x868/0xa68 [ 47.757176][ T4398] sp : ffff80001cf46c80 [ 47.757856][ T4398] x29: ffff80001cf46d60 x28: dfff800000000000 x27: 0000000000000000 [ 47.759075][ T4398] x26: ffff7000039e8d98 x25: 0000000000000000 x24: ffff0000d1a397c0 [ 47.760336][ T4398] x23: ffff80001cf46ce0 x22: ffff0000c05810e8 x21: 0000000000000001 [ 47.761547][ T4398] x20: fffffc000350a788 x19: fffffc000350a780 x18: ffff800011abbcc0 [ 47.762826][ T4398] x17: ffff8000181f8000 x16: ffff8000082d0e30 x15: ffff800017cd8fc0 [ 47.764192][ T4398] x14: ffff0000d651c218 x13: ffff0000d651c290 x12: 0000000000ff0100 [ 47.765619][ T4398] x11: ff008000086fdcd8 x10: 0000000000000000 x9 : ffff8000086fdcd8 [ 47.767029][ T4398] x8 : ffff0000d651b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.768395][ T4398] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086fd798 [ 47.769721][ T4398] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.770998][ T4398] Call trace: [ 47.771550][ T4398] __folio_start_writeback+0x868/0xa68 [ 47.772454][ T4398] set_page_writeback+0x5c/0x7c [ 47.773208][ T4398] gfs2_aspace_writepage+0x520/0x6e8 [ 47.774066][ T4398] __writepage+0x70/0x18c [ 47.774742][ T4398] write_cache_pages+0x73c/0xdd4 [ 47.775505][ T4398] do_writepages+0x320/0x4fc [ 47.776263][ T4398] filemap_fdatawrite_wbc+0x124/0x174 [ 47.777113][ T4398] filemap_fdatawrite+0xc4/0x114 [ 47.777847][ T4398] gfs2_write_inode+0x234/0x34c [ 47.778641][ T4398] __writeback_single_inode+0x5e0/0x157c [ 47.779518][ T4398] writeback_sb_inodes+0x824/0x1404 [ 47.780391][ T4398] wb_writeback+0x400/0xfb0 [ 47.781182][ T4398] wb_workfn+0x34c/0xd98 [ 47.781924][ T4398] process_one_work+0x7f4/0x13a8 [ 47.782688][ T4398] worker_thread+0x8c8/0xfbc [ 47.783472][ T4398] kthread+0x250/0x2d8 [ 47.784169][ T4398] ret_from_fork+0x10/0x20 [ 47.784875][ T4398] irq event stamp: 174474 [ 47.785544][ T4398] hardirqs last enabled at (174473): [] folio_memcg_lock+0xe8/0x1fc [ 47.787026][ T4398] hardirqs last disabled at (174474): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.788577][ T4398] softirqs last enabled at (174376): [] ieee80211_ibss_work+0x2a4/0xd60 [ 47.790115][ T4398] softirqs last disabled at (174374): [] ieee80211_ibss_work+0xd0/0xd60 [ 47.791840][ T4398] ---[ end trace 0000000000000000 ]--- [ 47.798767][ C1] ------------[ cut here ]------------ [ 47.799671][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 47.801156][ C1] Modules linked in: [ 47.801757][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 47.803009][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.804416][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.805594][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 47.806433][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 47.807359][ C1] sp : ffff80001c937960 [ 47.807960][ C1] x29: ffff80001c937980 x28: dfff800000000000 x27: ffff0000c05810e8 [ 47.809193][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff80006a14f0 [ 47.810478][ C1] x23: 0000000000000001 x22: ffff0000d1a397c0 x21: ffff0000d1a397c8 [ 47.811772][ C1] x20: 0000000000000001 x19: fffffc000350a780 x18: ffff800011abbcc0 [ 47.813049][ C1] x17: ffff8000181f8000 x16: ffff8000082d0e30 x15: ffff800017cd8fc0 [ 47.814329][ C1] x14: ffff0000c0a52658 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 47.815638][ C1] x11: ff008000086fd264 x10: 0000000000000000 x9 : ffff8000086fd264 [ 47.816924][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.818134][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.819346][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.820587][ C1] Call trace: [ 47.821101][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 47.821957][ C1] folio_end_writeback+0x12c/0x41c [ 47.822771][ C1] end_page_writeback+0x58/0x74 [ 47.823537][ C1] end_buffer_async_write+0x32c/0x508 [ 47.824407][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 47.825221][ C1] bio_endio+0x770/0x7b4 [ 47.825902][ C1] blk_update_request+0x49c/0xbec [ 47.826705][ C1] blk_mq_end_request+0x54/0x88 [ 47.827457][ C1] lo_complete_rq+0x1ec/0x250 [ 47.828221][ C1] blk_done_softirq+0x11c/0x168 [ 47.828958][ C1] handle_softirqs+0x318/0xc6c [ 47.829659][ C1] run_ksoftirqd+0x7c/0x2a0 [ 47.830371][ C1] smpboot_thread_fn+0x4b0/0x964 [ 47.831185][ C1] kthread+0x250/0x2d8 [ 47.831865][ C1] ret_from_fork+0x10/0x20 [ 47.832610][ C1] irq event stamp: 420761 [ 47.833380][ C1] hardirqs last enabled at (420760): [] folio_memcg_lock+0xe