Warning: Permanently added '10.128.0.210' (ED25519) to the list of known hosts. 1970/01/01 00:00:26 parsed 1 programs syzkaller login: [ 27.412524][ T4324] cgroup: Unknown subsys name 'net' [ 27.677779][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 27.949268][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 32.390482][ T550] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.391662][ T550] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.394249][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 32.401477][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.402659][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.404255][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 32.988657][ T4358] chnl_net:caif_netlink_parms(): no params data found [ 33.006957][ T4358] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.008181][ T4358] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.009850][ T4358] device bridge_slave_0 entered promiscuous mode [ 33.012329][ T4358] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.013512][ T4358] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.015420][ T4358] device bridge_slave_1 entered promiscuous mode [ 33.022469][ T4358] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.024665][ T4358] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.032137][ T4358] team0: Port device team_slave_0 added [ 33.033912][ T4358] team0: Port device team_slave_1 added [ 33.041860][ T4358] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.043016][ T4358] 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. [ 33.048078][ T4358] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.050592][ T4358] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.051588][ T4358] 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. [ 33.055341][ T4358] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.116072][ T4358] device hsr_slave_0 entered promiscuous mode [ 33.165143][ T4358] device hsr_slave_1 entered promiscuous mode [ 33.249814][ T4358] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 33.267679][ T4358] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 33.316093][ T4358] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 33.366717][ T4358] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 33.794148][ T4358] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.798699][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.800558][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.803504][ T4358] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.849802][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.851434][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.852900][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.853973][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.856046][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.858496][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.860073][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.861701][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.862872][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.865302][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 33.868908][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 33.871532][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.873236][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.874682][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 34.208503][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 34.210296][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.213648][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 34.215511][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.218618][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 34.220188][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.222568][ T4358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 34.309653][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 34.310959][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 34.314175][ T4358] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.319985][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 34.321750][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 34.328013][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 34.329622][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 34.331234][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 34.332639][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 34.375225][ T4358] device veth0_vlan entered promiscuous mode [ 34.378901][ T4358] device veth1_vlan entered promiscuous mode [ 34.386992][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 34.388582][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 34.390189][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 34.391627][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.394558][ T4358] device veth0_macvtap entered promiscuous mode [ 34.397035][ T4358] device veth1_macvtap entered promiscuous mode [ 34.402734][ T4358] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.404001][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 34.405476][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 34.407158][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 34.408693][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.412578][ T4358] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.413669][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 34.416443][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 34.419001][ T4358] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.420424][ T4358] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.421845][ T4358] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.423177][ T4358] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.770474][ T4407] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 34.771994][ T4407] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 34.773256][ T4407] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 34.774656][ T4407] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 34.776637][ T4407] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 34.777889][ T4407] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:35 executed programs: 0 [ 35.099800][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.101445][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.102812][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.104187][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.109037][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 35.110383][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.169559][ T4423] chnl_net:caif_netlink_parms(): no params data found [ 35.189325][ T4423] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.190472][ T4423] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.191946][ T4423] device bridge_slave_0 entered promiscuous mode [ 35.194018][ T4423] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.195529][ T4423] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.197274][ T4423] device bridge_slave_1 entered promiscuous mode [ 35.204761][ T4423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.207358][ T4423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.216466][ T4423] team0: Port device team_slave_0 added [ 35.226348][ T4423] team0: Port device team_slave_1 added [ 35.232447][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.233535][ 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. [ 35.237678][ T4423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.240020][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.241046][ 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. [ 35.244695][ T4423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.266094][ T4423] device hsr_slave_0 entered promiscuous mode [ 35.315324][ T4423] device hsr_slave_1 entered promiscuous mode [ 35.355111][ T4423] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 35.356667][ T4423] Cannot create hsr debugfs directory [ 35.467221][ T4423] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.125230][ T4407] Bluetooth: hci0: command 0x0409 tx timeout [ 37.846096][ T4423] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.195339][ T4407] Bluetooth: hci0: command 0x041b tx timeout [ 39.696506][ T4423] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.767038][ T4423] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.977945][ T4423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.087721][ T4423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.136150][ T4423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.176197][ T4423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.298046][ T4423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.302142][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.303619][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.306314][ T4423] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.308511][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.310054][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.311620][ T207] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.312690][ T207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.314339][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.319305][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.320806][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.322299][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.323329][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.326994][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.358117][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.361510][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.363309][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.364853][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.367668][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.369273][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.371673][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.373013][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.375695][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.377265][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.379768][ T4423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.439029][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.440396][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.443912][ T4423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.450249][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.451877][ T207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.457338][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.458857][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.460319][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.461586][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.464701][ T4423] device veth0_vlan entered promiscuous mode [ 40.467900][ T4423] device veth1_vlan entered promiscuous mode [ 40.474016][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.476330][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.477778][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.479300][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.483021][ T4423] device veth0_macvtap entered promiscuous mode [ 40.485580][ T4423] device veth1_macvtap entered promiscuous mode [ 40.489806][ T4423] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 40.491551][ T4423] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 40.493536][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.494842][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.497343][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.498809][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.500416][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.558859][ T4423] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 40.560510][ T4423] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 40.562462][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.564543][ T4423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.565966][ T4423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.567294][ T4423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.568687][ T4423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.571065][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.572563][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.589175][ T550] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.590457][ T550] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.593199][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.598540][ T550] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.599773][ T550] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.601453][ T550] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.754339][ T4461] loop0: detected capacity change from 0 to 32768 [ 40.760874][ T4461] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 40.762130][ T4461] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 40.784175][ T4461] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 40.786868][ T4443] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 40.787918][ T4443] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 40.799541][ T4443] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 40.801768][ T4443] gfs2: fsid=syz:syz.0: jid=0: Done [ 40.802743][ T4461] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 40.857926][ T9] device hsr_slave_0 left promiscuous mode [ 40.905337][ T9] device hsr_slave_1 left promiscuous mode [ 40.911155][ T4423] ------------[ cut here ]------------ [ 40.912112][ T4423] WARNING: CPU: 0 PID: 4423 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 40.913665][ T4423] Modules linked in: [ 40.914304][ T4423] CPU: 0 PID: 4423 Comm: syz-executor Not tainted syzkaller #0 [ 40.915453][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.917020][ T4423] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.918167][ T4423] pc : __folio_mark_dirty+0x8a0/0xce0 [ 40.918935][ T4423] lr : __folio_mark_dirty+0x8a0/0xce0 [ 40.919706][ T4423] sp : ffff8000211976e0 [ 40.920279][ T4423] x29: ffff800021197700 x28: 1fffff80006c37d0 x27: dfff800000000000 [ 40.921559][ T4423] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 40.922723][ T4423] x23: 0000000000000000 x22: fffffc000361be88 x21: 1fffe00018093932 [ 40.923939][ T4423] x20: ffff0000df60e250 x19: fffffc000361be80 x18: ffff800011abbcc0 [ 40.925153][ T4423] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: ffff800017cda000 [ 40.926468][ T4423] x14: ffff0000cc1b0a98 x13: ffff0000cc1b0b10 x12: 0000000000ff0100 [ 40.927664][ T4423] x11: ff008000086fbd44 x10: 0000000000000000 x9 : ffff8000086fbd44 [ 40.928779][ T4423] x8 : ffff0000cc1b0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 40.929936][ T4423] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a46b60 [ 40.931205][ T4423] x2 : ffff0000ce6fa060 x1 : 0000000000000000 x0 : 0000000000000000 [ 40.932385][ T4423] Call trace: [ 40.932926][ T4423] __folio_mark_dirty+0x8a0/0xce0 [ 40.933702][ T4423] mark_buffer_dirty+0x2b8/0x5cc [ 40.934485][ T4423] gfs2_unpin+0x120/0x914 [ 40.935129][ T4423] buf_lo_after_commit+0x140/0x188 [ 40.935896][ T4423] gfs2_log_flush+0xbc8/0x1aa0 [ 40.936615][ T4423] gfs2_kill_sb+0x5c/0xd4 [ 40.937252][ T4423] deactivate_locked_super+0xac/0x124 [ 40.938139][ T4423] deactivate_super+0xe8/0x108 [ 40.938896][ T4423] cleanup_mnt+0x37c/0x404 [ 40.939558][ T4423] __cleanup_mnt+0x20/0x30 [ 40.940266][ T4423] task_work_run+0x1ec/0x270 [ 40.940961][ T4423] do_notify_resume+0x2038/0x2b28 [ 40.941719][ T4423] el0_svc+0x98/0x138 [ 40.942275][ T4423] el0t_64_sync_handler+0x84/0xf0 [ 40.943013][ T4423] el0t_64_sync+0x18c/0x190 [ 40.943717][ T4423] irq event stamp: 167558 [ 40.944364][ T4423] hardirqs last enabled at (167557): [] folio_memcg_lock+0xe8/0x1fc [ 40.945799][ T4423] hardirqs last disabled at (167558): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 40.947322][ T4423] softirqs last enabled at (167316): [] local_bh_enable+0x10/0x34 [ 40.948777][ T4423] softirqs last disabled at (167314): [] local_bh_disable+0x10/0x34 [ 40.950179][ T4423] ---[ end trace 0000000000000000 ]--- [ 40.951947][ T4423] ------------[ cut here ]------------ [ 40.952800][ T4423] WARNING: CPU: 0 PID: 4423 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 40.954485][ T4423] Modules linked in: [ 40.955081][ T4423] CPU: 0 PID: 4423 Comm: syz-executor Tainted: G W syzkaller #0 [ 40.956389][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.957881][ T4423] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.959040][ T4423] pc : __folio_start_writeback+0x868/0xa68 [ 40.959910][ T4423] lr : __folio_start_writeback+0x868/0xa68 [ 40.960747][ T4423] sp : ffff800021197180 [ 40.961321][ T4423] x29: ffff800021197260 x28: dfff800000000000 x27: 0000000000000000 [ 40.962542][ T4423] x26: ffff700004232e38 x25: 0000000000000000 x24: ffff0000df60e250 [ 40.963656][ T4423] x23: ffff8000211971e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 40.964828][ T4423] x20: fffffc000361be88 x19: fffffc000361be80 x18: ffff800011abbcc0 [ 40.966012][ T4423] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: 0000000000000000 [ 40.967172][ T4423] x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 40.968334][ T4423] x11: ff008000086fe25c x10: 0000000000000000 x9 : ffff8000086fe25c [ 40.969574][ T4423] x8 : ffff0000cc1b0000 x7 : ffff8000086fdcdc x6 : 0000000000000000 [ 40.970768][ T4423] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fdd1c [ 40.972040][ T4423] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 40.973232][ T4423] Call trace: [ 40.973746][ T4423] __folio_start_writeback+0x868/0xa68 [ 40.974576][ T4423] set_page_writeback+0x5c/0x7c [ 40.975307][ T4423] gfs2_aspace_writepage+0x520/0x6e8 [ 40.976100][ T4423] __gfs2_writepage+0x70/0x18c [ 40.976792][ T4423] write_cache_pages+0x73c/0xdd4 [ 40.977524][ T4423] gfs2_ail1_flush+0x7c0/0xa00 [ 40.978283][ T4423] empty_ail1_list+0x110/0x1ec [ 40.978968][ T4423] gfs2_log_flush+0x1258/0x1aa0 [ 40.979783][ T4423] gfs2_kill_sb+0x5c/0xd4 [ 40.980486][ T4423] deactivate_locked_super+0xac/0x124 [ 40.981370][ T4423] deactivate_super+0xe8/0x108 [ 40.982078][ T4423] cleanup_mnt+0x37c/0x404 [ 40.982757][ T4423] __cleanup_mnt+0x20/0x30 [ 40.983465][ T4423] task_work_run+0x1ec/0x270 [ 40.984167][ T4423] do_notify_resume+0x2038/0x2b28 [ 40.984998][ T4423] el0_svc+0x98/0x138 [ 40.985627][ T4423] el0t_64_sync_handler+0x84/0xf0 [ 40.986425][ T4423] el0t_64_sync+0x18c/0x190 [ 40.987127][ T4423] irq event stamp: 167624 [ 40.987816][ T4423] hardirqs last enabled at (167623): [] folio_memcg_lock+0xe8/0x1fc [ 40.989262][ T4423] hardirqs last disabled at (167624): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 40.990882][ T4423] softirqs last enabled at (167586): [] handle_softirqs+0xaf8/0xc6c [ 40.992317][ T4423] softirqs last disabled at (167561): [] __do_softirq+0x14/0x20 [ 40.993705][ T4423] ---[ end trace 0000000000000000 ]--- [ 40.997560][ C0] ------------[ cut here ]------------ [ 40.998475][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 41.000107][ C0] Modules linked in: [ 41.000757][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 41.002054][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.003519][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 41.004717][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 41.005606][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 41.006470][ C0] sp : ffff80001c8c7960 [ 41.007114][ C0] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 41.008372][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006cef70 [ 41.009632][ C0] x23: 0000000000000001 x22: ffff0000df60c2a0 x21: ffff0000df60c2a8 [ 41.010933][ C0] x20: 0000000000000001 x19: fffffc0003677b80 x18: ffff800011abbcc0 [ 41.012233][ C0] x17: 1fffe00033ed797e x16: ffff8000082d10fc x15: 0000000000000000 [ 41.013523][ C0] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 41.014772][ C0] x11: ff008000086fd7e8 x10: 0000000000000000 x9 : ffff8000086fd7e8 [ 41.016056][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 41.017294][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 41.018542][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 41.019736][ C0] Call trace: [ 41.020248][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 41.021045][ C0] folio_end_writeback+0x12c/0x41c [ 41.021782][ C0] end_page_writeback+0x58/0x74 [ 41.022524][ C0] end_buffer_async_write+0x32c/0x508 [ 41.023294][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 41.024103][ C0] bio_endio+0x770/0x7b4 [ 41.024687][ C0] blk_update_request+0x49c/0xbec [ 41.025432][ C0] blk_mq_end_request+0x54/0x88 [ 41.026140][ C0] lo_complete_rq+0x1ec/0x250 [ 41.026830][ C0] blk_done_softirq+0x11c/0x168 [ 41.027575][ C0] handle_softirqs+0x318/0xc6c [ 41.028294][ C0] run_ksoftirqd+0x7c/0x2a0 [ 41.028981][ C0] smpboot_thread_fn+0x4b0/0x964 [ 41.029702][ C0] kthread+0x250/0x2d8 [ 41.030348][ C0] ret_from_fork+0x10/0x20 [ 41.031003][ C0] irq event stamp: 422591 [ 41.031664][ C0] hardirqs last enabled at (422590): [] folio_memcg_lock+0xe8/0x1fc [ 41.033196][ C0] hardirqs last disabled at (422591): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 41.034738][ C0] softirqs last enabled at (422578): [] handle_softirqs+0xaf8/0xc6c [ 41.036177][ C0] softirqs last disabled at (422585): [] run_ksoftirqd+0x7c/0x2a0 [ 41.037618][ C0] ---[ end trace 0000000000000000 ]--- [ 41.075134][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.076334][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.078210][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.079368][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.095620][ T9] device bridge_slave_1 left promiscuous mode [ 41.097044][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.117961][ T9] device bridge_slave_0 left promiscuous mode [ 41.119071][ T9] bridge0: port 1(bridge_slave_0) entered disabled state