Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://43485 [ 31.957446][ T4339] cgroup: Unknown subsys name 'net' [ 32.206137][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.478023][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.622747][ T4347] chnl_net:caif_netlink_parms(): no params data found [ 35.640220][ T4347] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.641662][ T4347] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.643810][ T4347] device bridge_slave_0 entered promiscuous mode [ 35.646318][ T4347] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.647567][ T4347] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.649084][ T4347] device bridge_slave_1 entered promiscuous mode [ 35.655538][ T4347] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.658053][ T4347] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.665167][ T4347] team0: Port device team_slave_0 added [ 35.667086][ T4347] team0: Port device team_slave_1 added [ 35.672392][ T4347] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.673752][ T4347] 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. [ 35.677947][ T4347] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.680641][ T4347] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.681842][ T4347] 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. [ 35.686831][ T4347] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.734603][ T4347] device hsr_slave_0 entered promiscuous mode [ 35.773424][ T4347] device hsr_slave_1 entered promiscuous mode [ 35.856408][ T4347] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.904722][ T4347] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.944488][ T4347] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.984478][ T4347] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.031769][ T4347] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.033035][ T4347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.034685][ T4347] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.035908][ T4347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.050998][ T4347] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.055948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.058535][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.060644][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.062554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.069108][ T4347] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.072650][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.074708][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.075894][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.078519][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.080402][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.081660][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.088565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.091074][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.094812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.097819][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.100563][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.103071][ T4347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.154800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.156163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.160010][ T4347] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.165639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.171386][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.173480][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.175982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.178553][ T4347] device veth0_vlan entered promiscuous mode [ 36.181645][ T4347] device veth1_vlan entered promiscuous mode [ 36.188613][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.190219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.191988][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.195819][ T4347] device veth0_macvtap entered promiscuous mode [ 36.198033][ T4347] device veth1_macvtap entered promiscuous mode [ 36.203184][ T4347] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.205099][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.207419][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.210899][ T4347] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.212145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.216767][ T4347] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.218293][ T4347] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.219773][ T4347] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.221195][ T4347] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.635249][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.931008][ T4382] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.932552][ T4382] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.936944][ T4382] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.938616][ T4382] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.940101][ T4382] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.941456][ T4382] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.534795][ T1707] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.536156][ T1707] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.537836][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.546993][ T1707] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.548248][ T1707] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.549616][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:38 executed programs: 0 [ 38.079910][ T4382] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.081522][ T4382] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.082980][ T4382] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.084919][ T4382] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.086524][ T4382] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.087829][ T4382] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.132803][ T4426] chnl_net:caif_netlink_parms(): no params data found [ 38.149072][ T4426] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.150408][ T4426] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.152039][ T4426] device bridge_slave_0 entered promiscuous mode [ 38.155266][ T4426] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.156418][ T4426] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.158079][ T4426] device bridge_slave_1 entered promiscuous mode [ 38.165044][ T4426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.168180][ T4426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.174992][ T4426] team0: Port device team_slave_0 added [ 38.176818][ T4426] team0: Port device team_slave_1 added [ 38.181857][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.183023][ T4426] 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. [ 38.188218][ T4426] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.190677][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.191966][ T4426] 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. [ 38.196772][ T4426] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.254334][ T4426] device hsr_slave_0 entered promiscuous mode [ 38.293499][ T4426] device hsr_slave_1 entered promiscuous mode [ 38.333322][ T4426] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.334815][ T4426] Cannot create hsr debugfs directory [ 39.504466][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.153541][ T4382] Bluetooth: hci0: command 0x0409 tx timeout [ 42.224436][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.233313][ T4382] Bluetooth: hci0: command 0x041b tx timeout [ 42.315182][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.271762][ T4426] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.345963][ T4426] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.435447][ T4426] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.515397][ T4426] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.567916][ T39] device hsr_slave_0 left promiscuous mode [ 43.593628][ T39] device hsr_slave_1 left promiscuous mode [ 43.683328][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.684744][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.686617][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.687759][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.689175][ T39] device bridge_slave_1 left promiscuous mode [ 43.690666][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.723997][ T39] device bridge_slave_0 left promiscuous mode [ 43.725156][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.863470][ T39] device veth1_macvtap left promiscuous mode [ 43.864580][ T39] device veth0_macvtap left promiscuous mode [ 43.865583][ T39] device veth1_vlan left promiscuous mode [ 43.866495][ T39] device veth0_vlan left promiscuous mode [ 44.313584][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 45.974300][ T39] team0 (unregistering): Port device team_slave_1 removed [ 46.144381][ T39] team0 (unregistering): Port device team_slave_0 removed [ 46.303753][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.403344][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 46.533681][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 48.094207][ T39] bond0 (unregistering): Released all slaves [ 48.423722][ T4426] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.428137][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.429751][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.432277][ T4426] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.436439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.438171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.440203][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.441456][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.445108][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.446723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.448443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.449859][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.450935][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.452343][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.456008][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.459218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.461208][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.462837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.467876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.469844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.474261][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.475883][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.478984][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.480719][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.483185][ T4426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.538808][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.540235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.544553][ T4426] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.550043][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.551845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.557835][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.559482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.561115][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.562541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.566978][ T4426] device veth0_vlan entered promiscuous mode [ 48.570234][ T4426] device veth1_vlan entered promiscuous mode [ 48.577749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.579315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.580802][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.582373][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.585392][ T4426] device veth0_macvtap entered promiscuous mode [ 48.587705][ T4426] device veth1_macvtap entered promiscuous mode [ 48.593024][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.594884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.596489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.598069][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.599767][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.602428][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.604744][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.606552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.609194][ T4426] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.610713][ T4426] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.612183][ T4426] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.614341][ T4426] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.637121][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.639688][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.641799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.653158][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.654741][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.656063][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.794092][ T4517] loop0: detected capacity change from 0 to 32768 [ 48.798031][ T4517] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.799429][ T4517] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.814498][ T4517] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 48.817187][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.818342][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.835154][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 16ms [ 48.837492][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.838756][ T4517] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.926880][ T4517] gfs2: fsid=syz:syz.0: found 1 quota changes [ 48.965888][ T4426] ------------[ cut here ]------------ [ 48.966974][ T4426] WARNING: CPU: 0 PID: 4426 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 48.968678][ T4426] Modules linked in: [ 48.969305][ T4426] CPU: 0 PID: 4426 Comm: syz-executor Not tainted syzkaller #0 [ 48.970488][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 48.972140][ T4426] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.973457][ T4426] pc : __folio_mark_dirty+0x8b8/0xce0 [ 48.974410][ T4426] lr : __folio_mark_dirty+0x8b8/0xce0 [ 48.975362][ T4426] sp : ffff800020ef7400 [ 48.976119][ T4426] x29: ffff800020ef7410 x28: 1fffff8000685cb8 x27: 0000000000000000 [ 48.977532][ T4426] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c998 [ 48.978931][ T4426] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018093933 [ 48.980295][ T4426] x20: ffff0000d7c0e250 x19: fffffc000342e5c0 x18: 1fffe00033e7277e [ 48.981804][ T4426] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 48.983353][ T4426] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000000000 [ 48.984888][ T4426] x11: ff008000087148ac x10: 0000000000000000 x9 : ffff8000087148ac [ 48.986401][ T4426] x8 : ffff0000caed0000 x7 : ffff800008714038 x6 : 0000000000000000 [ 48.987903][ T4426] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a66314 [ 48.989350][ T4426] x2 : ffff0000ce7be060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.990786][ T4426] Call trace: [ 48.991371][ T4426] __folio_mark_dirty+0x8b8/0xce0 [ 48.992317][ T4426] mark_buffer_dirty+0x2b8/0x5c0 [ 48.993234][ T4426] gfs2_unpin+0x128/0x918 [ 48.994055][ T4426] buf_lo_after_commit+0x144/0x18c [ 48.994981][ T4426] __gfs2_log_flush+0x12e8/0x1bd4 [ 48.995868][ T4426] gfs2_log_flush+0x3c/0x58 [ 48.996693][ T4426] do_sync+0x844/0xa68 [ 48.997460][ T4426] gfs2_quota_sync+0x2cc/0x4e8 [ 48.998302][ T4426] gfs2_sync_fs+0x50/0xc8 [ 48.999074][ T4426] sync_filesystem+0xe8/0x218 [ 48.999918][ T4426] generic_shutdown_super+0x74/0x32c [ 49.000892][ T4426] kill_block_super+0x78/0xe0 [ 49.001747][ T4426] gfs2_kill_sb+0xc4/0xd8 [ 49.002508][ T4426] deactivate_locked_super+0xb4/0x128 [ 49.003420][ T4426] deactivate_super+0xe4/0x104 [ 49.004307][ T4426] cleanup_mnt+0x3a8/0x430 [ 49.005069][ T4426] __cleanup_mnt+0x20/0x30 [ 49.005837][ T4426] task_work_run+0x1f4/0x280 [ 49.006628][ T4426] do_notify_resume+0x20f8/0x2c84 [ 49.007537][ T4426] el0_svc+0x98/0x128 [ 49.008193][ T4426] el0t_64_sync_handler+0x84/0xf0 [ 49.009032][ T4426] el0t_64_sync+0x18c/0x190 [ 49.009784][ T4426] irq event stamp: 167092 [ 49.010520][ T4426] hardirqs last enabled at (167091): [] folio_memcg_lock+0xe8/0x1f8 [ 49.012186][ T4426] hardirqs last disabled at (167092): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.013904][ T4426] softirqs last enabled at (166918): [] handle_softirqs+0xb1c/0xc90 [ 49.015588][ T4426] softirqs last disabled at (166889): [] __do_softirq+0x14/0x20 [ 49.017221][ T4426] ---[ end trace 0000000000000000 ]--- [ 49.025259][ T88] ------------[ cut here ]------------ [ 49.026293][ T88] WARNING: CPU: 0 PID: 88 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 49.027923][ T88] Modules linked in: [ 49.028574][ T88] CPU: 0 PID: 88 Comm: kworker/u4:3 Tainted: G W syzkaller #0 [ 49.029995][ T88] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 49.031755][ T88] Workqueue: writeback wb_workfn (flush-7:0) [ 49.032697][ T88] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.033999][ T88] pc : __folio_start_writeback+0x8a8/0xa98 [ 49.034995][ T88] lr : __folio_start_writeback+0x8a8/0xa98 [ 49.036041][ T88] sp : ffff80001ffc6d20 [ 49.036810][ T88] x29: ffff80001ffc6e00 x28: ffff700003ff8dac x27: 0000000000000000 [ 49.038284][ T88] x26: ffff0000c049c7f0 x25: 1fffff80006cc8b9 x24: dfff800000000000 [ 49.039719][ T88] x23: ffff0000d7c0ece0 x22: ffff80001ffc6d80 x21: ffff0000c049c998 [ 49.041135][ T88] x20: 0000000000000001 x19: fffffc00036645c0 x18: 0000000000000000 [ 49.042552][ T88] x17: ffff0000ca09c870 x16: ffff8000082dba2c x15: 000000000004ffff [ 49.044064][ T88] x14: 0000000000000001 x13: 1fffff80006cc8b8 x12: 0000000000000000 [ 49.045512][ T88] x11: ff00800008716dd0 x10: 0000000000000000 x9 : ffff800008716dd0 [ 49.046943][ T88] x8 : ffff0000c77d3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.048366][ T88] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000871685c [ 49.049796][ T88] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.051217][ T88] Call trace: [ 49.051813][ T88] __folio_start_writeback+0x8a8/0xa98 [ 49.052771][ T88] set_page_writeback+0x5c/0x7c [ 49.053628][ T88] gfs2_aspace_writepage+0x524/0x6f4 [ 49.054571][ T88] __writepage+0x70/0x184 [ 49.055388][ T88] write_cache_pages+0x760/0xe00 [ 49.056322][ T88] do_writepages+0x32c/0x50c [ 49.057211][ T88] filemap_fdatawrite_wbc+0x124/0x174 [ 49.058119][ T88] filemap_fdatawrite+0xd0/0x12c [ 49.059001][ T88] gfs2_write_inode+0x234/0x33c [ 49.059899][ T88] __writeback_single_inode+0x5e0/0x157c [ 49.060939][ T88] writeback_sb_inodes+0x870/0x1470 [ 49.061954][ T88] wb_writeback+0x40c/0xfdc [ 49.062732][ T88] wb_workfn+0x360/0xe18 [ 49.063476][ T88] process_one_work+0x7e4/0x13bc [ 49.064303][ T88] worker_thread+0x8cc/0xfe8 [ 49.065121][ T88] kthread+0x254/0x2e0 [ 49.065833][ T88] ret_from_fork+0x10/0x20 [ 49.066595][ T88] irq event stamp: 571956 [ 49.067328][ T88] hardirqs last enabled at (571955): [] folio_memcg_lock+0xe8/0x1f8 [ 49.069088][ T88] hardirqs last disabled at (571956): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.070903][ T88] softirqs last enabled at (571756): [] batadv_nc_purge_paths+0x2f8/0x374 [ 49.072667][ T88] softirqs last disabled at (571754): [] batadv_nc_purge_paths+0xd8/0x374 [ 49.074364][ T88] ---[ end trace 0000000000000000 ]---