[ 9.516565][ T3990] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 9.548038][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.554253][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts. 1970/01/01 00:00:25 parsed 1 programs syzkaller login: [ 26.490335][ T4325] cgroup: Unknown subsys name 'net' [ 26.711697][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 27.015248][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 30.230251][ T563] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 30.231616][ T563] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 30.234142][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 30.240862][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 30.242203][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 30.243606][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 30.374321][ T4347] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 30.376053][ T4347] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 30.377536][ T4347] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 30.379382][ T4347] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 30.380738][ T4347] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 30.382010][ T4347] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 32.044129][ T4407] chnl_net:caif_netlink_parms(): no params data found [ 32.061561][ T4407] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.062818][ T4407] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.064346][ T4407] device bridge_slave_0 entered promiscuous mode [ 32.066800][ T4407] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.068046][ T4407] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.069956][ T4407] device bridge_slave_1 entered promiscuous mode [ 32.076715][ T4407] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.079615][ T4407] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.086559][ T4407] team0: Port device team_slave_0 added [ 32.088547][ T4407] team0: Port device team_slave_1 added [ 32.094254][ T4407] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.095433][ T4407] 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. [ 32.100366][ T4407] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.103163][ T4407] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.104314][ T4407] 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. [ 32.108517][ T4407] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.170181][ T4407] device hsr_slave_0 entered promiscuous mode [ 32.209778][ T4407] device hsr_slave_1 entered promiscuous mode [ 32.295556][ T4407] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 32.324014][ T4407] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 32.394804][ T4407] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 32.461980][ T4407] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 32.549943][ T4407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.553566][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.555683][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.558403][ T4407] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.562372][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.564181][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.565968][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.567332][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.569596][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 32.584669][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.586318][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.587754][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.589032][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.592218][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.595489][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 32.598417][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 32.602470][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.604128][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 32.606789][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 32.608836][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.611830][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 32.613349][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 32.616094][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 32.617670][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 32.622775][ T4407] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 32.694805][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 32.696271][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 32.700037][ T4407] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.705997][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 32.707811][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 32.720835][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 32.722521][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 32.724183][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 32.725612][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 32.727874][ T4407] device veth0_vlan entered promiscuous mode [ 32.733857][ T4407] device veth1_vlan entered promiscuous mode [ 32.741007][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 32.742647][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 32.744213][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 32.745849][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 32.748210][ T4407] device veth0_macvtap entered promiscuous mode [ 32.763560][ T4407] device veth1_macvtap entered promiscuous mode [ 32.768606][ T4407] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.770776][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 32.772331][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 32.773820][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 32.775409][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 32.778295][ T4407] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.780509][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 32.782263][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 32.785162][ T4407] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.786655][ T4407] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.788101][ T4407] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.790157][ T4407] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:33 executed programs: 0 [ 33.430039][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.431735][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.433408][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.435049][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.436418][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.437841][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 33.482770][ T4424] chnl_net:caif_netlink_parms(): no params data found [ 33.840821][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 33.857737][ T4424] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.859183][ T4424] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.860781][ T4424] device bridge_slave_0 entered promiscuous mode [ 33.862740][ T4424] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.864003][ T4424] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.865456][ T4424] device bridge_slave_1 entered promiscuous mode [ 33.871558][ T4424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.873977][ T4424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.881424][ T4424] team0: Port device team_slave_0 added [ 33.883183][ T4424] team0: Port device team_slave_1 added [ 33.888068][ T4424] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.889280][ T4424] 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. [ 33.893378][ T4424] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.895998][ T4424] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.897103][ T4424] 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. [ 33.902048][ T4424] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.950319][ T4424] device hsr_slave_0 entered promiscuous mode [ 33.989137][ T4424] device hsr_slave_1 entered promiscuous mode [ 34.039291][ T4424] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 34.040858][ T4424] Cannot create hsr debugfs directory [ 35.519209][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 35.829818][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.599580][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 38.219717][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.310863][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.464356][ T4424] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.563620][ T4424] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.600368][ T4424] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.678968][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 39.684055][ T4424] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.821203][ T4424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.824633][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.826202][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.828531][ T4424] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.831061][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.832737][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.834191][ T1587] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.835403][ T1587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.836906][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.839542][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.841138][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.842524][ T563] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.843733][ T563] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.846034][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.901916][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.905746][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.907690][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.910082][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.912735][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.914371][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.916921][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.918391][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.921252][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.922717][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.924912][ T4424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.942163][ T11] device hsr_slave_0 left promiscuous mode [ 39.989230][ T11] device hsr_slave_1 left promiscuous mode [ 40.068989][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 40.070201][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 40.071878][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 40.073175][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 40.074580][ T11] device bridge_slave_1 left promiscuous mode [ 40.076024][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.119611][ T11] device bridge_slave_0 left promiscuous mode [ 40.120770][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.249086][ T11] device veth1_macvtap left promiscuous mode [ 40.250142][ T11] device veth0_macvtap left promiscuous mode [ 40.251589][ T11] device veth1_vlan left promiscuous mode [ 40.252639][ T11] device veth0_vlan left promiscuous mode [ 41.758889][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 42.430028][ T11] team0 (unregistering): Port device team_slave_1 removed [ 42.609760][ T11] team0 (unregistering): Port device team_slave_0 removed [ 42.799361][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 43.011208][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 44.500163][ T11] bond0 (unregistering): Released all slaves [ 44.828522][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.829954][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.833454][ T4424] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.843990][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.845699][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.852222][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.853915][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.855595][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.856902][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.859658][ T4424] device veth0_vlan entered promiscuous mode [ 44.862660][ T4424] device veth1_vlan entered promiscuous mode [ 44.869516][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.871100][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.872535][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.874028][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.876837][ T4424] device veth0_macvtap entered promiscuous mode [ 44.879443][ T4424] device veth1_macvtap entered promiscuous mode [ 44.883896][ T4424] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.885103][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.886696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.888184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.890314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.893138][ T4424] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.894312][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.895944][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.898303][ T4424] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.901230][ T4424] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.902706][ T4424] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.904110][ T4424] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.926791][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.928193][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.930825][ T1587] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.935647][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.937004][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.938394][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.078116][ T4521] loop0: detected capacity change from 0 to 32768 [ 45.082515][ T4521] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.083879][ T4521] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 45.093889][ T4521] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 45.096438][ T4400] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.097553][ T4400] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.114563][ T4400] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 17ms [ 45.116524][ T4400] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.117468][ T4521] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.242216][ T4424] ------------[ cut here ]------------ [ 45.243348][ T4424] WARNING: CPU: 1 PID: 4424 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 45.245076][ T4424] Modules linked in: [ 45.245715][ T4424] CPU: 1 PID: 4424 Comm: syz-executor Not tainted syzkaller #0 [ 45.246912][ T4424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 45.248560][ T4424] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.249860][ T4424] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 45.250804][ T4424] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 45.251671][ T4424] sp : ffff800020d976e0 [ 45.252366][ T4424] x29: ffff800020d97700 x28: 1fffff80006f6978 x27: dfff800000000000 [ 45.253686][ T4424] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 45.254994][ T4424] x23: 0000000000000000 x22: fffffc00037b4bc8 x21: 1fffe00018093932 [ 45.256240][ T4424] x20: ffff0000d29e6250 x19: fffffc00037b4bc0 x18: ffff800011b9bf60 [ 45.257496][ T4424] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 [ 45.258670][ T4424] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 45.260080][ T4424] x11: ff00800008709f98 x10: 0000000000000000 x9 : ffff800008709f98 [ 45.261555][ T4424] x8 : ffff0000cb47b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.262925][ T4424] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58760 [ 45.264284][ T4424] x2 : ffff0000cf15a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.265608][ T4424] Call trace: [ 45.266184][ T4424] __folio_mark_dirty+0x8a0/0xcd8 [ 45.267024][ T4424] mark_buffer_dirty+0x2b8/0x5c0 [ 45.267907][ T4424] gfs2_unpin+0x120/0x8fc [ 45.268631][ T4424] buf_lo_after_commit+0x140/0x188 [ 45.269486][ T4424] gfs2_log_flush+0xc00/0x1b20 [ 45.270309][ T4424] gfs2_kill_sb+0x5c/0xd4 [ 45.271055][ T4424] deactivate_locked_super+0xac/0x120 [ 45.271946][ T4424] deactivate_super+0xe4/0x104 [ 45.272742][ T4424] cleanup_mnt+0x390/0x418 [ 45.273474][ T4424] __cleanup_mnt+0x20/0x30 [ 45.274283][ T4424] task_work_run+0x1ec/0x278 [ 45.275144][ T4424] do_notify_resume+0x1fa0/0x2aa4 [ 45.276056][ T4424] el0_svc+0x98/0x128 [ 45.276738][ T4424] el0t_64_sync_handler+0x84/0xf0 [ 45.277575][ T4424] el0t_64_sync+0x18c/0x190 [ 45.278372][ T4424] irq event stamp: 156364 [ 45.279122][ T4424] hardirqs last enabled at (156363): [] folio_memcg_lock+0xe8/0x1f4 [ 45.280859][ T4424] hardirqs last disabled at (156364): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 45.282599][ T4424] softirqs last enabled at (156256): [] local_bh_enable+0x10/0x34 [ 45.284190][ T4424] softirqs last disabled at (156254): [] local_bh_disable+0x10/0x34 [ 45.285844][ T4424] ---[ end trace 0000000000000000 ]--- [ 45.291393][ T4424] ------------[ cut here ]------------ [ 45.292377][ T4424] WARNING: CPU: 1 PID: 4424 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 45.294277][ T4424] Modules linked in: [ 45.295094][ T4424] CPU: 1 PID: 4424 Comm: syz-executor Tainted: G W syzkaller #0 [ 45.296531][ T4424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 45.298147][ T4424] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.299476][ T4424] pc : __folio_start_writeback+0x88c/0xa7c [ 45.300440][ T4424] lr : __folio_start_writeback+0x88c/0xa7c [ 45.301414][ T4424] sp : ffff800020d97180 [ 45.302211][ T4424] x29: ffff800020d97260 x28: dfff800000000000 x27: 0000000000000000 [ 45.303579][ T4424] x26: ffff7000041b2e38 x25: 0000000000000000 x24: ffff0000d29e6250 [ 45.304953][ T4424] x23: ffff800020d971e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 45.306226][ T4424] x20: fffffc00037b4bc8 x19: fffffc00037b4bc0 x18: ffff800011b9bf60 [ 45.307504][ T4424] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 45.308805][ T4424] x14: 0000000000000001 x13: 1fffff80006f6978 x12: 0000000000ff0100 [ 45.310035][ T4424] x11: ff0080000870c4a4 x10: 0000000000000000 x9 : ffff80000870c4a4 [ 45.311227][ T4424] x8 : ffff0000cb47b780 x7 : ffff80000870bf10 x6 : 0000000000000000 [ 45.312514][ T4424] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870bf50 [ 45.313824][ T4424] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.315279][ T4424] Call trace: [ 45.315814][ T4424] __folio_start_writeback+0x88c/0xa7c [ 45.316757][ T4424] set_page_writeback+0x5c/0x7c [ 45.317607][ T4424] gfs2_aspace_writepage+0x514/0x6dc [ 45.318508][ T4424] __gfs2_writepage+0x70/0x184 [ 45.319336][ T4424] write_cache_pages+0x74c/0xde8 [ 45.320198][ T4424] gfs2_ail1_flush+0x7c4/0xa14 [ 45.320982][ T4424] empty_ail1_list+0x130/0x214 [ 45.321806][ T4424] gfs2_log_flush+0x12b4/0x1b20 [ 45.322607][ T4424] gfs2_kill_sb+0x5c/0xd4 [ 45.323317][ T4424] deactivate_locked_super+0xac/0x120 [ 45.324174][ T4424] deactivate_super+0xe4/0x104 [ 45.324972][ T4424] cleanup_mnt+0x390/0x418 [ 45.325682][ T4424] __cleanup_mnt+0x20/0x30 [ 45.326447][ T4424] task_work_run+0x1ec/0x278 [ 45.327234][ T4424] do_notify_resume+0x1fa0/0x2aa4 [ 45.328084][ T4424] el0_svc+0x98/0x128 [ 45.328744][ T4424] el0t_64_sync_handler+0x84/0xf0 [ 45.329582][ T4424] el0t_64_sync+0x18c/0x190 [ 45.330360][ T4424] irq event stamp: 156462 [ 45.331039][ T4424] hardirqs last enabled at (156461): [] folio_memcg_lock+0xe8/0x1f4 [ 45.332682][ T4424] hardirqs last disabled at (156462): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 45.334285][ T4424] softirqs last enabled at (156438): [] handle_softirqs+0xaec/0xc60 [ 45.335849][ T4424] softirqs last disabled at (156367): [] __do_softirq+0x14/0x20 [ 45.337318][ T4424] ---[ end trace 0000000000000000 ]--- [ 45.340909][ C1] ------------[ cut here ]------------ [ 45.341943][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 45.343590][ C1] Modules linked in: [ 45.344218][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 45.345656][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 45.347274][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.348579][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 45.349467][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 45.350430][ C1] sp : ffff80001ca97970 [ 45.351154][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 45.352491][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000640fd0 [ 45.353844][ C1] x23: 0000000000000001 x22: ffff0000d29e42a0 x21: ffff0000d29e42a8 [ 45.355095][ C1] x20: 0000000000000001 x19: fffffc0003207e80 x18: ffff800011b9bf60 [ 45.356369][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 45.357705][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 45.359046][ C1] x11: ff0080000870ba1c x10: 0000000000000000 x9 : ffff80000870ba1c [ 45.360454][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.361829][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 45.363206][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.364626][ C1] Call trace: [ 45.365184][ C1] __folio_end_writeback+0x7d0/0x9cc [ 45.366059][ C1] folio_end_writeback+0x12c/0x410 [ 45.366940][ C1] end_page_writeback+0x58/0x74 [ 45.367766][ C1] end_buffer_async_write+0x32c/0x4f4 [ 45.368705][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 45.369617][ C1] bio_endio+0x750/0x794 [ 45.370278][ C1] blk_update_request+0x49c/0xbec [ 45.371058][ C1] blk_mq_end_request+0x54/0x88 [ 45.371816][ C1] lo_complete_rq+0x1ec/0x250 [ 45.372618][ C1] blk_done_softirq+0x11c/0x168 [ 45.373447][ C1] handle_softirqs+0x318/0xc60 [ 45.374220][ C1] run_ksoftirqd+0x7c/0x2ac [ 45.374926][ C1] smpboot_thread_fn+0x4b0/0x964 [ 45.375758][ C1] kthread+0x250/0x2d8 [ 45.376439][ C1] ret_from_fork+0x10/0x20 [ 45.377112][ C1] irq event stamp: 488711 [ 45.377756][ C1] hardirqs last enabled at (488710): [] folio_memcg_lock+0xe8/0x1f4 [ 45.379335][ C1] hardirqs last disabled at (488711): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 45.380997][ C1] softirqs last enabled at (488700): [] handle_softirqs+0xaec/0xc60 [ 45.382563][ C1] softirqs last disabled at (488705): [] run_ksoftirqd+0x7c/0x2ac [ 45.384077][ C1] ---[ end trace 0000000000000000 ]---