Warning: Permanently added '10.128.1.99' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs [ 33.874922][ T4326] cgroup: Unknown subsys name 'net' [ 34.136253][ T4326] cgroup: Unknown subsys name 'rlimit' [ 34.407791][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.947386][ T4362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.948925][ T4362] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.950260][ T4362] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.951673][ T4362] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.953027][ T4362] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.954881][ T4360] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.638506][ T4391] chnl_net:caif_netlink_parms(): no params data found [ 41.659811][ T4391] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.661078][ T4391] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.662672][ T4391] device bridge_slave_0 entered promiscuous mode [ 41.665247][ T4391] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.666474][ T4391] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.667897][ T4391] device bridge_slave_1 entered promiscuous mode [ 41.676884][ T4391] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.679595][ T4391] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.686798][ T4391] team0: Port device team_slave_0 added [ 41.688674][ T4391] team0: Port device team_slave_1 added [ 41.696807][ T4391] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.698053][ T4391] 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. [ 41.702301][ T4391] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.705483][ T4391] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.706556][ T4391] 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. [ 41.710885][ T4391] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.754393][ T4391] device hsr_slave_0 entered promiscuous mode [ 41.803534][ T4391] device hsr_slave_1 entered promiscuous mode [ 41.879933][ T4391] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.925261][ T4391] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.975717][ T4391] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 42.015544][ T4391] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 42.081753][ T4391] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.083077][ T4391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.084721][ T4391] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.085846][ T4391] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.103837][ T4391] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.117525][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.120130][ T280] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.121763][ T280] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.126639][ T4391] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.130585][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.132074][ T280] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.133230][ T280] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.148190][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.149815][ T1627] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.151103][ T1627] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.157695][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.159407][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.162750][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.166727][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.169864][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.172386][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.237823][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.239264][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.242548][ T4391] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.249819][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.262451][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.264955][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.266367][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.268580][ T4391] device veth0_vlan entered promiscuous mode [ 42.272182][ T4391] device veth1_vlan entered promiscuous mode [ 42.279085][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.280559][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.282128][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.285531][ T4391] device veth0_macvtap entered promiscuous mode [ 42.287847][ T4391] device veth1_macvtap entered promiscuous mode [ 42.297490][ T4391] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.310530][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.312455][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.316523][ T4391] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.317864][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.320433][ T4391] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.321840][ T4391] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.323182][ T4391] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.324689][ T4391] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.255022][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.267664][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.269117][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.271326][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.278454][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.279615][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.281270][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:43 executed programs: 0 [ 43.482836][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.484748][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.486271][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.487658][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.489075][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.490454][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.538077][ T4442] chnl_net:caif_netlink_parms(): no params data found [ 43.554066][ T4442] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.555202][ T4442] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.556742][ T4442] device bridge_slave_0 entered promiscuous mode [ 43.558743][ T4442] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.559929][ T4442] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.561523][ T4442] device bridge_slave_1 entered promiscuous mode [ 43.568950][ T4442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.571367][ T4442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.579133][ T4442] team0: Port device team_slave_0 added [ 43.580872][ T4442] team0: Port device team_slave_1 added [ 43.587142][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.588214][ 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. [ 43.592035][ T4442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.594591][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.595654][ 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. [ 43.599778][ T4442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.634288][ T4442] device hsr_slave_0 entered promiscuous mode [ 43.683554][ T4442] device hsr_slave_1 entered promiscuous mode [ 43.743380][ T4442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.744751][ T4442] Cannot create hsr debugfs directory [ 45.444602][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.533572][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 47.613810][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 47.804797][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.915308][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.828056][ T4442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.906431][ T4442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.964422][ T4442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.065625][ T4442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.187139][ T4442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.190961][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.192457][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.195555][ T4442] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.198211][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.199827][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.201298][ T1627] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.202409][ T1627] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.205183][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.208807][ T9] device hsr_slave_0 left promiscuous mode [ 49.233950][ T9] device hsr_slave_1 left promiscuous mode [ 49.333360][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 49.334543][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 49.336339][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 49.337568][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 49.339045][ T9] device bridge_slave_1 left promiscuous mode [ 49.340174][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.384471][ T9] device bridge_slave_0 left promiscuous mode [ 49.385489][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.523512][ T9] device veth1_macvtap left promiscuous mode [ 49.524540][ T9] device veth0_macvtap left promiscuous mode [ 49.525441][ T9] device veth1_vlan left promiscuous mode [ 49.526508][ T9] device veth0_vlan left promiscuous mode [ 49.703302][ T4360] Bluetooth: hci0: command 0x040f tx timeout [ 51.295096][ T9] team0 (unregistering): Port device team_slave_1 removed [ 51.474246][ T9] team0 (unregistering): Port device team_slave_0 removed [ 51.643729][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.773317][ T4360] Bluetooth: hci0: command 0x0419 tx timeout [ 51.853757][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 54.485696][ T9] bond0 (unregistering): Released all slaves [ 54.758724][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.760464][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.761947][ T280] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.763171][ T280] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.764833][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.767980][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.770599][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.772454][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.774157][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.777285][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.778857][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.781768][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.784120][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.786887][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.788423][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.790662][ T4442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.840265][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.841549][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.844952][ T4442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.850839][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.852466][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.860995][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.862486][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.865516][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.866977][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.869345][ T4442] device veth0_vlan entered promiscuous mode [ 54.872330][ T4442] device veth1_vlan entered promiscuous mode [ 54.878462][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.880446][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.881957][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.884151][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.886580][ T4442] device veth0_macvtap entered promiscuous mode [ 54.888897][ T4442] device veth1_macvtap entered promiscuous mode [ 54.895898][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.897267][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.898797][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.900153][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.901563][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.904203][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.906182][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.907809][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.910230][ T4442] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.911649][ T4442] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.912996][ T4442] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.915127][ T4442] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.935977][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.937196][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.939292][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.947708][ T1627] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.948955][ T1627] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.950823][ T1627] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.127296][ T4494] loop0: detected capacity change from 0 to 32768 [ 55.140815][ T4494] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 55.142191][ T4494] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 55.155833][ T4494] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 55.172854][ T4409] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 55.174191][ T4409] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 55.189014][ T4409] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 55.203985][ T4409] gfs2: fsid=syz:syz.0: jid=0: Done [ 55.204958][ T4494] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 55.313670][ T4442] ------------[ cut here ]------------ [ 55.314721][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 55.316420][ T4442] Modules linked in: [ 55.317066][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Not tainted syzkaller #0 [ 55.318343][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.319805][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.321083][ T4442] pc : __folio_mark_dirty+0x8a0/0xce0 [ 55.321961][ T4442] lr : __folio_mark_dirty+0x8a0/0xce0 [ 55.322808][ T4442] sp : ffff8000210f76e0 [ 55.323504][ T4442] x29: ffff8000210f7700 x28: 1fffff80006872b8 x27: dfff800000000000 [ 55.324827][ T4442] x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 [ 55.326020][ T4442] x23: 0000000000000000 x22: fffffc00034395c8 x21: 1fffe00018092932 [ 55.327222][ T4442] x20: ffff0000ddffa250 x19: fffffc00034395c0 x18: ffff800011abbcc0 [ 55.328537][ T4442] x17: ffff8000181f9000 x16: ffff8000082d1108 x15: ffff800017cd9fc0 [ 55.329811][ T4442] x14: ffff0000de3cc218 x13: ffff0000de3cc290 x12: 0000000000ff0100 [ 55.331135][ T4442] x11: ff008000086fbbc8 x10: 0000000000000000 x9 : ffff8000086fbbc8 [ 55.332453][ T4442] x8 : ffff0000de3cb780 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.333796][ T4442] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a46694 [ 55.335124][ T4442] x2 : ffff0000cea20060 x1 : 0000000000000000 x0 : 0000000000000000 [ 55.336410][ T4442] Call trace: [ 55.336922][ T4442] __folio_mark_dirty+0x8a0/0xce0 [ 55.337698][ T4442] mark_buffer_dirty+0x2b8/0x5cc [ 55.338465][ T4442] gfs2_unpin+0x120/0x914 [ 55.339151][ T4442] buf_lo_after_commit+0x140/0x188 [ 55.340051][ T4442] gfs2_log_flush+0xbc8/0x1aa0 [ 55.340887][ T4442] gfs2_kill_sb+0x5c/0xd4 [ 55.341616][ T4442] deactivate_locked_super+0xac/0x124 [ 55.342497][ T4442] deactivate_super+0xe8/0x108 [ 55.343301][ T4442] cleanup_mnt+0x37c/0x404 [ 55.343978][ T4442] __cleanup_mnt+0x20/0x30 [ 55.344684][ T4442] task_work_run+0x1ec/0x270 [ 55.345405][ T4442] do_notify_resume+0x2038/0x2b28 [ 55.346196][ T4442] el0_svc+0x98/0x138 [ 55.346821][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 55.347642][ T4442] el0t_64_sync+0x18c/0x190 [ 55.348364][ T4442] irq event stamp: 160898 [ 55.349053][ T4442] hardirqs last enabled at (160897): [] folio_memcg_lock+0xe8/0x1fc [ 55.350589][ T4442] hardirqs last disabled at (160898): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 55.352249][ T4442] softirqs last enabled at (160662): [] local_bh_enable+0x10/0x34 [ 55.354038][ T4442] softirqs last disabled at (160660): [] local_bh_disable+0x10/0x34 [ 55.355556][ T4442] ---[ end trace 0000000000000000 ]--- [ 55.358603][ T4442] ------------[ cut here ]------------ [ 55.359483][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 55.361155][ T4442] Modules linked in: [ 55.361823][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Tainted: G W syzkaller #0 [ 55.363272][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.364910][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.366169][ T4442] pc : __folio_start_writeback+0x868/0xa68 [ 55.367149][ T4442] lr : __folio_start_writeback+0x868/0xa68 [ 55.367990][ T4442] sp : ffff8000210f7180 [ 55.368589][ T4442] x29: ffff8000210f7260 x28: dfff800000000000 x27: 0000000000000000 [ 55.369742][ T4442] x26: ffff70000421ee38 x25: 0000000000000000 x24: ffff0000ddffa250 [ 55.370981][ T4442] x23: ffff8000210f71e0 x22: ffff0000c04947e8 x21: 0000000000000001 [ 55.372237][ T4442] x20: fffffc00034395c8 x19: fffffc00034395c0 x18: ffff800011abbcc0 [ 55.373475][ T4442] x17: 1fffe00033edbb7e x16: ffff8000082d1108 x15: 0000000000000000 [ 55.374749][ T4442] x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 55.375961][ T4442] x11: ff008000086fe0e0 x10: 0000000000000000 x9 : ffff8000086fe0e0 [ 55.377292][ T4442] x8 : ffff0000de3cb780 x7 : ffff8000086fdb60 x6 : 0000000000000000 [ 55.378583][ T4442] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fdba0 [ 55.379826][ T4442] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 55.381020][ T4442] Call trace: [ 55.381497][ T4442] __folio_start_writeback+0x868/0xa68 [ 55.382327][ T4442] set_page_writeback+0x5c/0x7c [ 55.383070][ T4442] gfs2_aspace_writepage+0x520/0x6e8 [ 55.383876][ T4442] __gfs2_writepage+0x70/0x18c [ 55.384609][ T4442] write_cache_pages+0x73c/0xdd4 [ 55.385388][ T4442] gfs2_ail1_flush+0x7c0/0xa00 [ 55.386084][ T4442] empty_ail1_list+0x110/0x1ec [ 55.386846][ T4442] gfs2_log_flush+0x1258/0x1aa0 [ 55.387553][ T4442] gfs2_kill_sb+0x5c/0xd4 [ 55.388198][ T4442] deactivate_locked_super+0xac/0x124 [ 55.389010][ T4442] deactivate_super+0xe8/0x108 [ 55.389785][ T4442] cleanup_mnt+0x37c/0x404 [ 55.390489][ T4442] __cleanup_mnt+0x20/0x30 [ 55.391167][ T4442] task_work_run+0x1ec/0x270 [ 55.391866][ T4442] do_notify_resume+0x2038/0x2b28 [ 55.392599][ T4442] el0_svc+0x98/0x138 [ 55.393190][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 55.393991][ T4442] el0t_64_sync+0x18c/0x190 [ 55.394663][ T4442] irq event stamp: 160970 [ 55.395270][ T4442] hardirqs last enabled at (160969): [] folio_memcg_lock+0xe8/0x1fc [ 55.396810][ T4442] hardirqs last disabled at (160970): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 55.398417][ T4442] softirqs last enabled at (160928): [] handle_softirqs+0xaf8/0xc6c [ 55.399994][ T4442] softirqs last disabled at (160901): [] __do_softirq+0x14/0x20 [ 55.401419][ T4442] ---[ end trace 0000000000000000 ]--- [ 55.404916][ C0] ------------[ cut here ]------------ [ 55.405979][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 55.407681][ C0] Modules linked in: [ 55.408344][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 55.409758][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.411457][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.412687][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 55.413542][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 55.414369][ C0] sp : ffff80001c8c7960 [ 55.415012][ C0] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c04947e8 [ 55.416216][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006c4a40 [ 55.417635][ C0] x23: 0000000000000001 x22: ffff0000ddff82a0 x21: ffff0000ddff82a8 [ 55.418929][ C0] x20: 0000000000000001 x19: fffffc0003625200 x18: ffff800011abbcc0 [ 55.420320][ C0] x17: 1fffe00033ed797e x16: ffff8000082d1108 x15: 0000000000000000 [ 55.421707][ C0] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 55.423020][ C0] x11: ff008000086fd66c x10: 0000000000000000 x9 : ffff8000086fd66c [ 55.424220][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.425449][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 55.426800][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 55.428085][ C0] Call trace: [ 55.428606][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 55.429522][ C0] folio_end_writeback+0x12c/0x41c [ 55.430358][ C0] end_page_writeback+0x58/0x74 [ 55.431176][ C0] end_buffer_async_write+0x32c/0x508 [ 55.432055][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 55.432866][ C0] bio_endio+0x770/0x7b4 [ 55.433560][ C0] blk_update_request+0x49c/0xbec [ 55.434411][ C0] blk_mq_end_request+0x54/0x88 [ 55.435197][ C0] lo_complete_rq+0x1ec/0x250 [ 55.435968][ C0] blk_done_softirq+0x11c/0x168 [ 55.436729][ C0] handle_softirqs+0x318/0xc6c [ 55.437510][ C0] run_ksoftirqd+0x7c/0x2a0 [ 55.438239][ C0] smpboot_thread_fn+0x4b0/0x964 [ 55.439016][ C0] kthread+0x250/0x2d8 [ 55.439691][ C0] ret_from_fork+0x10/0x20 [ 55.440432][ C0] irq event stamp: 428235 [ 55.441171][ C0] hardirqs last enabled at (428234): [] folio_memcg_lock+0xe8/0x1fc [ 55.442710][ C0] hardirqs last disabled at (428235): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 55.444317][ C0] softirqs last enabled at (428224): [] handle_softirqs+0xaf8/0xc6c [ 55.445814][ C0] softirqs last disabled at (428229): [] run_ksoftirqd+0x7c/0x2a0 [ 55.447320][ C0] ---[ end trace 0000000000000000 ]---