Warning: Permanently added '10.128.1.13' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.665429][ T4337] cgroup: Unknown subsys name 'net' [ 32.909773][ T4337] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.163566][ T4337] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.440209][ T4353] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.441749][ T4353] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.443188][ T4353] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.444765][ T4353] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.446195][ T4353] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.447795][ T4353] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.680370][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.681675][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.683577][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.692120][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.693478][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.695147][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.087189][ T4384] chnl_net:caif_netlink_parms(): no params data found [ 39.107342][ T4384] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.108583][ T4384] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.110300][ T4384] device bridge_slave_0 entered promiscuous mode [ 39.112672][ T4384] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.113787][ T4384] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.115310][ T4384] device bridge_slave_1 entered promiscuous mode [ 39.122528][ T4384] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.125434][ T4384] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.132864][ T4384] team0: Port device team_slave_0 added [ 39.134694][ T4384] team0: Port device team_slave_1 added [ 39.192014][ T4384] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.193216][ T4384] 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. [ 39.197764][ T4384] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.200764][ T4384] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.201971][ T4384] 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. [ 39.206551][ T4384] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.248260][ T4384] device hsr_slave_0 entered promiscuous mode [ 39.267009][ T4384] device hsr_slave_1 entered promiscuous mode [ 39.352988][ T4384] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.388488][ T4384] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.430715][ T4384] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.488526][ T4384] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.562240][ T4384] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.563625][ T4384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.564966][ T4384] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.566217][ T4384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.583523][ T4384] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.596554][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.599303][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.601090][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.605505][ T4384] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.610480][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.612310][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.613585][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.619149][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.620775][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.621897][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.635567][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.637358][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.641249][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.644411][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.649402][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.652075][ T4384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.714434][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.715876][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.721217][ T4384] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.735381][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.737363][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.743476][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.745512][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.748097][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.749574][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.752063][ T4384] device veth0_vlan entered promiscuous mode [ 39.755607][ T4384] device veth1_vlan entered promiscuous mode [ 39.762878][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.764483][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.766008][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.768998][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.771558][ T4384] device veth0_macvtap entered promiscuous mode [ 39.783233][ T4384] device veth1_macvtap entered promiscuous mode [ 39.788672][ T4384] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.790145][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.791983][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 39.793499][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.795115][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.798974][ T4384] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.800255][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.802043][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.804634][ T4384] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.806188][ T4384] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.807883][ T4384] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.809418][ T4384] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 41.183417][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.185213][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.186620][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.188438][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.189787][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.191071][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.255099][ T4448] chnl_net:caif_netlink_parms(): no params data found [ 41.271172][ T4448] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.272430][ T4448] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.274149][ T4448] device bridge_slave_0 entered promiscuous mode [ 41.276095][ T4448] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.278517][ T4448] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.280139][ T4448] device bridge_slave_1 entered promiscuous mode [ 41.603556][ T4448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.650042][ T244] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.654550][ T4448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.661473][ T4448] team0: Port device team_slave_0 added [ 41.663571][ T4448] team0: Port device team_slave_1 added [ 41.668764][ T4448] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.669984][ T4448] 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. [ 41.674311][ T4448] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.676645][ T4448] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.678039][ T4448] 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. [ 41.682533][ T4448] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.709014][ T4448] device hsr_slave_0 entered promiscuous mode [ 41.747090][ T4448] device hsr_slave_1 entered promiscuous mode [ 41.786936][ T4448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.788180][ T4448] Cannot create hsr debugfs directory [ 43.197449][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.718287][ T244] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.276928][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.458616][ T244] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.548943][ T244] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.517926][ T4448] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.628860][ T4448] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.719001][ T4448] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.768153][ T4448] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.877585][ T4448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.881536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.883189][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.885686][ T4448] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.889880][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.891480][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.892958][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.894127][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.895745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.995940][ T4448] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.997924][ T4448] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.000408][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.002170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.003657][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.004831][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.006165][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.008121][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.009715][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.011357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.012963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.014450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.015993][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.018175][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.019817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.021360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.023169][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.024605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.125988][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.128417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.132036][ T4448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.185561][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.187342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.192852][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.194477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.196166][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.197912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.200273][ T4448] device veth0_vlan entered promiscuous mode [ 47.203954][ T4448] device veth1_vlan entered promiscuous mode [ 47.210922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.212387][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.213878][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.215465][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.260287][ T4448] device veth0_macvtap entered promiscuous mode [ 47.262778][ T4448] device veth1_macvtap entered promiscuous mode [ 47.267685][ T4448] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.269654][ T4448] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.271921][ T4448] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.273158][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.274815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.276298][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.278105][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.280611][ T4448] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.282302][ T4448] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.284523][ T4448] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.285679][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.287958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.290567][ T4448] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.292080][ T4448] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.293646][ T4448] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.295090][ T4448] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.354671][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.357131][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.358671][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.360658][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.366059][ T4428] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.367562][ T4428] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.369054][ T4367] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.520663][ T4543] loop0: detected capacity change from 0 to 32768 [ 47.526231][ T4543] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 47.528072][ T4543] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 47.542060][ T244] device hsr_slave_0 left promiscuous mode [ 47.547912][ T4543] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 47.550400][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 47.551560][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 47.571670][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 20ms [ 47.573369][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 47.574270][ T4543] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.578306][ T244] device hsr_slave_1 left promiscuous mode [ 47.656948][ T244] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.658256][ T244] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.661284][ T244] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.662738][ T244] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.677644][ T244] device bridge_slave_1 left promiscuous mode [ 47.679055][ T244] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.681796][ T4448] ------------[ cut here ]------------ [ 47.682861][ T4448] WARNING: CPU: 0 PID: 4448 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 47.684612][ T4448] Modules linked in: [ 47.685292][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 47.686606][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 47.688374][ T4448] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.689790][ T4448] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 47.690702][ T4448] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 47.691663][ T4448] sp : ffff8000206675e0 [ 47.692442][ T4448] x29: ffff800020667600 x28: 1fffff80006c3de8 x27: dfff800000000000 [ 47.693933][ T4448] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 47.695307][ T4448] x23: 0000000000000000 x22: fffffc000361ef48 x21: 1fffe000180b17d2 [ 47.696719][ T4448] x20: ffff0000cbef2250 x19: fffffc000361ef40 x18: ffff800011b9bf60 [ 47.698105][ T4448] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 47.699602][ T4448] x14: 0000000000000001 x13: 1fffe000180b17d2 x12: 0000000000ff0100 [ 47.700996][ T4448] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 47.702390][ T4448] x8 : ffff0000d5025340 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.703756][ T4448] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 47.705086][ T4448] x2 : ffff0000cf182060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.706420][ T4448] Call trace: [ 47.706989][ T4448] __folio_mark_dirty+0x8a0/0xcd8 [ 47.707857][ T4448] mark_buffer_dirty+0x2b8/0x5c0 [ 47.708677][ T4448] gfs2_unpin+0x120/0x8fc [ 47.709467][ T4448] buf_lo_after_commit+0x140/0x188 [ 47.710356][ T4448] gfs2_log_flush+0xc00/0x1b20 [ 47.711226][ T4448] gfs2_kill_sb+0x5c/0xd4 [ 47.711975][ T4448] deactivate_locked_super+0xac/0x120 [ 47.712943][ T4448] deactivate_super+0xe4/0x104 [ 47.713801][ T4448] cleanup_mnt+0x390/0x418 [ 47.714634][ T4448] __cleanup_mnt+0x20/0x30 [ 47.715415][ T4448] task_work_run+0x1ec/0x278 [ 47.716227][ T4448] get_signal+0x111c/0x1304 [ 47.716984][ T4448] do_notify_resume+0x33c/0x2aa4 [ 47.717794][ T4448] el0_svc+0x98/0x128 [ 47.718487][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 47.719302][ T4448] el0t_64_sync+0x18c/0x190 [ 47.720049][ T4448] irq event stamp: 156806 [ 47.720712][ T4448] hardirqs last enabled at (156805): [] folio_memcg_lock+0xe8/0x1f4 [ 47.722263][ T4448] hardirqs last disabled at (156806): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.723922][ T4448] softirqs last enabled at (156696): [] local_bh_enable+0x10/0x34 [ 47.725521][ T4448] softirqs last disabled at (156694): [] local_bh_disable+0x10/0x34 [ 47.727284][ T4448] ---[ end trace 0000000000000000 ]--- [ 47.729961][ T4448] ------------[ cut here ]------------ [ 47.730835][ T4448] WARNING: CPU: 0 PID: 4448 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 47.732429][ T4448] Modules linked in: [ 47.732988][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Tainted: G W syzkaller #0 [ 47.734517][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 47.736283][ T4448] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.737617][ T4448] pc : __folio_start_writeback+0x88c/0xa7c [ 47.738685][ T4448] lr : __folio_start_writeback+0x88c/0xa7c [ 47.739778][ T4448] sp : ffff800020667080 [ 47.740473][ T4448] x29: ffff800020667160 x28: dfff800000000000 x27: 0000000000000000 [ 47.741870][ T4448] x26: ffff7000040cce18 x25: 0000000000000000 x24: ffff0000cbef2250 [ 47.743216][ T4448] x23: ffff8000206670e0 x22: ffff0000c058bce8 x21: 0000000000000001 [ 47.744674][ T4448] x20: fffffc000361ef48 x19: fffffc000361ef40 x18: ffff800011b9bf60 [ 47.746099][ T4448] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 47.747540][ T4448] x14: 0000000000000001 x13: 1fffff80006c3de8 x12: 0000000000ff0100 [ 47.748956][ T4448] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 47.750287][ T4448] x8 : ffff0000d5025340 x7 : ffff80000870c070 x6 : 0000000000000000 [ 47.751710][ T4448] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 47.753068][ T4448] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.754407][ T4448] Call trace: [ 47.755039][ T4448] __folio_start_writeback+0x88c/0xa7c [ 47.755976][ T4448] set_page_writeback+0x5c/0x7c [ 47.756772][ T4448] gfs2_aspace_writepage+0x514/0x6dc [ 47.757700][ T4448] __gfs2_writepage+0x70/0x184 [ 47.758508][ T4448] write_cache_pages+0x74c/0xde8 [ 47.759391][ T4448] gfs2_ail1_flush+0x7c4/0xa14 [ 47.760195][ T4448] empty_ail1_list+0x130/0x214 [ 47.761067][ T4448] gfs2_log_flush+0x12b4/0x1b20 [ 47.761917][ T4448] gfs2_kill_sb+0x5c/0xd4 [ 47.762680][ T4448] deactivate_locked_super+0xac/0x120 [ 47.763666][ T4448] deactivate_super+0xe4/0x104 [ 47.764543][ T4448] cleanup_mnt+0x390/0x418 [ 47.765383][ T4448] __cleanup_mnt+0x20/0x30 [ 47.766244][ T4448] task_work_run+0x1ec/0x278 [ 47.767128][ T4448] get_signal+0x111c/0x1304 [ 47.767913][ T4448] do_notify_resume+0x33c/0x2aa4 [ 47.768864][ T4448] el0_svc+0x98/0x128 [ 47.769585][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 47.770501][ T4448] el0t_64_sync+0x18c/0x190 [ 47.771345][ T4448] irq event stamp: 156902 [ 47.772106][ T4448] hardirqs last enabled at (156901): [] folio_memcg_lock+0xe8/0x1f4 [ 47.773774][ T4448] hardirqs last disabled at (156902): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.775510][ T4448] softirqs last enabled at (156880): [] handle_softirqs+0xaec/0xc60 [ 47.777186][ T4448] softirqs last disabled at (156809): [] __do_softirq+0x14/0x20 [ 47.778859][ T4448] ---[ end trace 0000000000000000 ]--- [ 47.781289][ C1] ------------[ cut here ]------------ [ 47.782399][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 47.784132][ C1] Modules linked in: [ 47.784825][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 47.786328][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 47.788144][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.789498][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 47.790528][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 47.791596][ C1] sp : ffff80001ca97970 [ 47.792324][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c058bce8 [ 47.793775][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006d64f0 [ 47.795252][ C1] x23: 0000000000000001 x22: ffff0000cbef02a0 x21: ffff0000cbef02a8 [ 47.796776][ C1] x20: 0000000000000001 x19: fffffc00036b2780 x18: ffff800011b9bf60 [ 47.798178][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 47.799612][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 47.800968][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 47.802428][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.803751][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.805106][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.806549][ C1] Call trace: [ 47.807083][ C1] __folio_end_writeback+0x7d0/0x9cc [ 47.807971][ C1] folio_end_writeback+0x12c/0x410 [ 47.808862][ C1] end_page_writeback+0x58/0x74 [ 47.809768][ C1] end_buffer_async_write+0x32c/0x4f4 [ 47.810793][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 47.811625][ C1] bio_endio+0x750/0x794 [ 47.812369][ C1] blk_update_request+0x49c/0xbec [ 47.813232][ C1] blk_mq_end_request+0x54/0x88 [ 47.814009][ C1] lo_complete_rq+0x1ec/0x250 [ 47.814718][ C1] blk_done_softirq+0x11c/0x168 [ 47.815618][ C1] handle_softirqs+0x318/0xc60 [ 47.816468][ C1] run_ksoftirqd+0x7c/0x2ac [ 47.817224][ C1] smpboot_thread_fn+0x4b0/0x964 [ 47.818095][ C1] kthread+0x250/0x2d8 [ 47.818794][ C1] ret_from_fork+0x10/0x20 [ 47.819551][ C1] irq event stamp: 431035 [ 47.820360][ C1] hardirqs last enabled at (431034): [] folio_memcg_lock+0xe8/0x1f4 [ 47.822042][ C1] hardirqs last disabled at (431035): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.823881][ C1] softirqs last enabled at (431022): [] handle_softirqs+0xaec/0xc60 [ 47.825620][ C1] softirqs last disabled at (431029): [] run_ksoftirqd+0x7c/0x2ac [ 47.827285][ C1] ---[ end trace 0000000000000000 ]---