Warning: Permanently added '10.128.1.84' (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://44681 syzkaller login: [ 31.334452][ T4338] cgroup: Unknown subsys name 'net' [ 31.561223][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.837711][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.664881][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.666368][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.669137][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.675629][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.677014][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.678434][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.988648][ T4377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.990268][ T4377] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.991630][ T4377] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.993328][ T4377] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.994744][ T4377] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.996115][ T4377] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.493395][ T4395] chnl_net:caif_netlink_parms(): no params data found [ 38.512745][ T4395] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.514159][ T4395] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.515670][ T4395] device bridge_slave_0 entered promiscuous mode [ 38.518436][ T4395] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.520713][ T4395] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.522299][ T4395] device bridge_slave_1 entered promiscuous mode [ 38.529585][ T4395] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.532116][ T4395] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.538206][ T4395] team0: Port device team_slave_0 added [ 38.541197][ T4395] team0: Port device team_slave_1 added [ 38.546678][ T4395] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.547907][ T4395] 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. [ 38.552744][ T4395] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.555303][ T4395] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.556422][ T4395] 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. [ 38.560833][ T4395] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.599825][ T4395] device hsr_slave_0 entered promiscuous mode [ 38.628822][ T4395] device hsr_slave_1 entered promiscuous mode [ 38.703459][ T4395] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.729846][ T4395] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.779690][ T4395] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.827631][ T4395] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.898482][ T4395] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.902300][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.904186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.906974][ T4395] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.917371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.919099][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.920868][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.922139][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.924803][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.926372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.928222][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.932320][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.933643][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.936646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 38.947662][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 38.950692][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 38.952630][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.954319][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.957031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 38.958794][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.962495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.964055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.966760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.968371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.971524][ T4395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.028159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.030019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.034073][ T4395] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.039845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.041608][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.046625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.048184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.050132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.051760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.054823][ T4395] device veth0_vlan entered promiscuous mode [ 39.057842][ T4395] device veth1_vlan entered promiscuous mode [ 39.065487][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.067239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.069980][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.080532][ T4395] device veth0_macvtap entered promiscuous mode [ 39.083414][ T4395] device veth1_macvtap entered promiscuous mode [ 39.088192][ T4395] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.090634][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.092311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.093976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.096882][ T4395] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.098203][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.100818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.103403][ T4395] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.104947][ T4395] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.106432][ T4395] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.107894][ T4395] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.106120][ T4377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.107872][ T4377] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.110365][ T4377] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.112156][ T4377] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.113671][ T4377] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.114974][ T4377] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.379178][ T4438] chnl_net:caif_netlink_parms(): no params data found [ 40.402053][ T4438] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.403361][ T4438] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.404859][ T4438] device bridge_slave_0 entered promiscuous mode [ 40.407075][ T4438] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.408283][ T4438] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.410373][ T4438] device bridge_slave_1 entered promiscuous mode [ 40.416833][ T4438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.419575][ T4438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.425460][ T4438] team0: Port device team_slave_0 added [ 40.427389][ T4438] team0: Port device team_slave_1 added [ 40.432965][ T4438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.434161][ T4438] 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. [ 40.438456][ T4438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.441479][ T4438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.442730][ T4438] 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. [ 40.447030][ T4438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.791002][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.829703][ T4438] device hsr_slave_0 entered promiscuous mode [ 40.878922][ T4438] device hsr_slave_1 entered promiscuous mode [ 40.918652][ T4438] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.920124][ T4438] Cannot create hsr debugfs directory [ 42.158914][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 42.930438][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.238959][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 44.689656][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.780494][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.681133][ T4438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.761740][ T4438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.852022][ T4438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.899591][ T4438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.038838][ T4438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.042269][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.043888][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.046248][ T4438] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.049961][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.051709][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.053225][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.054379][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.055782][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.058189][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.060306][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.061793][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.063008][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.132174][ T1167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.135081][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.137819][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.139742][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.141446][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.144107][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.145835][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.150366][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.152006][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.154555][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.156257][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.202290][ T4438] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.284723][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.286145][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.289768][ T4438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.295272][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.297015][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.303650][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.305337][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.307028][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.308502][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.310989][ T4438] device veth0_vlan entered promiscuous mode [ 46.314133][ T4438] device veth1_vlan entered promiscuous mode [ 46.321524][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.323158][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.324727][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.326327][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.328859][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 46.331207][ T4438] device veth0_macvtap entered promiscuous mode [ 46.392255][ T4438] device veth1_macvtap entered promiscuous mode [ 46.396566][ T4438] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.398353][ T4438] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.400702][ T4438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.402066][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.403748][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.405424][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.407977][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.412056][ T4438] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.413827][ T4438] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.415979][ T4438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.417313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.419617][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.492237][ T4438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.493769][ T4438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.495440][ T4438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.497033][ T4438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.514218][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.515581][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.517008][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.522398][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.523884][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.525441][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 46.532163][ T11] device hsr_slave_0 left promiscuous mode [ 46.559605][ T11] device hsr_slave_1 left promiscuous mode [ 46.658707][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.660083][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.661873][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.663014][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.663304][ T4500] loop0: detected capacity change from 0 to 32768 [ 46.665637][ T11] device bridge_slave_1 left promiscuous mode [ 46.671145][ T4500] ======================================================= [ 46.671145][ T4500] WARNING: The mand mount option has been deprecated and [ 46.671145][ T4500] and is ignored by this kernel. Remove the mand [ 46.671145][ T4500] option from the mount to silence this warning. [ 46.671145][ T4500] ======================================================= [ 46.673177][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.683739][ T4500] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 46.685163][ T4500] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 46.690423][ T4500] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 46.692693][ T4404] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 46.693823][ T4404] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 46.705659][ T4404] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 46.708453][ T4404] gfs2: fsid=syz:syz.0: jid=0: Done [ 46.710146][ T11] device bridge_slave_0 left promiscuous mode [ 46.710405][ T4500] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 46.711256][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.783964][ T4438] ------------[ cut here ]------------ [ 46.785115][ T4438] WARNING: CPU: 1 PID: 4438 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 46.786991][ T4438] Modules linked in: [ 46.787671][ T4438] CPU: 1 PID: 4438 Comm: syz-executor Not tainted syzkaller #0 [ 46.789080][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 46.790912][ T4438] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.792222][ T4438] pc : __folio_mark_dirty+0x8b8/0xce0 [ 46.793233][ T4438] lr : __folio_mark_dirty+0x8b8/0xce0 [ 46.794179][ T4438] sp : ffff8000213674c0 [ 46.794934][ T4438] x29: ffff8000213674d0 x28: 1fffff800069a920 x27: 0000000000000000 [ 46.796377][ T4438] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c5513e98 [ 46.797862][ T4438] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018aa27d3 [ 46.799168][ T4438] x20: ffff0000d413a250 x19: fffffc00034d4900 x18: 1fffe00033e7697e [ 46.800593][ T4438] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 46.802103][ T4438] x14: 0000000000000001 x13: 1fffe00018aa27d3 x12: 0000000000000000 [ 46.803540][ T4438] x11: ff008000087148ac x10: 0000000000000000 x9 : ffff8000087148ac [ 46.804984][ T4438] x8 : ffff0000d0019c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.806709][ T4438] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66314 [ 46.808327][ T4438] x2 : ffff0000ce74e060 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.810010][ T4438] Call trace: [ 46.810616][ T4438] __folio_mark_dirty+0x8b8/0xce0 [ 46.811577][ T4438] mark_buffer_dirty+0x2b8/0x5c0 [ 46.812491][ T4438] gfs2_unpin+0x128/0x918 [ 46.813316][ T4438] buf_lo_after_commit+0x144/0x18c [ 46.814275][ T4438] __gfs2_log_flush+0x12e8/0x1bd4 [ 46.815204][ T4438] gfs2_log_flush+0x3c/0x58 [ 46.816003][ T4438] gfs2_kill_sb+0x5c/0xd8 [ 46.816762][ T4438] deactivate_locked_super+0xb4/0x128 [ 46.817730][ T4438] deactivate_super+0xe4/0x104 [ 46.818571][ T4438] cleanup_mnt+0x3a8/0x430 [ 46.819372][ T4438] __cleanup_mnt+0x20/0x30 [ 46.820167][ T4438] task_work_run+0x1f4/0x280 [ 46.820999][ T4438] do_exit+0x54c/0x19ac [ 46.821768][ T4438] do_group_exit+0x198/0x238 [ 46.822579][ T4438] get_signal+0x11f4/0x133c [ 46.823391][ T4438] do_notify_resume+0x364/0x2c84 [ 46.824286][ T4438] el0_svc+0x98/0x128 [ 46.825021][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 46.825948][ T4438] el0t_64_sync+0x18c/0x190 [ 46.826754][ T4438] irq event stamp: 162440 [ 46.827499][ T4438] hardirqs last enabled at (162439): [] folio_memcg_lock+0xe8/0x1f8 [ 46.829202][ T4438] hardirqs last disabled at (162440): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.830994][ T4438] softirqs last enabled at (159980): [] local_bh_enable+0x10/0x34 [ 46.832634][ T4438] softirqs last disabled at (159978): [] local_bh_disable+0x10/0x34 [ 46.834320][ T4438] ---[ end trace 0000000000000000 ]--- [ 46.849482][ T4438] ------------[ cut here ]------------ [ 46.850401][ T4438] WARNING: CPU: 1 PID: 4438 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 46.852068][ T4438] Modules linked in: [ 46.852675][ T4438] CPU: 1 PID: 4438 Comm: syz-executor Tainted: G W syzkaller #0 [ 46.854048][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 46.855563][ T4438] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.856718][ T4438] pc : __folio_start_writeback+0x8a8/0xa98 [ 46.857668][ T4438] lr : __folio_start_writeback+0x8a8/0xa98 [ 46.858603][ T4438] sp : ffff800021366f40 [ 46.859340][ T4438] x29: ffff800021367020 x28: ffff70000426cdf0 x27: 0000000000000000 [ 46.860869][ T4438] x26: ffff0000c5513cf0 x25: 1fffff800069a921 x24: dfff800000000000 [ 46.862405][ T4438] x23: ffff0000d413a250 x22: ffff800021366fa0 x21: ffff0000c5513e98 [ 46.863978][ T4438] x20: 0000000000000001 x19: fffffc00034d4900 x18: 1fffe00033e7697e [ 46.865554][ T4438] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 46.867111][ T4438] x14: 0000000000000001 x13: 1fffff800069a920 x12: 0000000000000000 [ 46.868638][ T4438] x11: ff00800008716dd0 x10: 0000000000000000 x9 : ffff800008716dd0 [ 46.870116][ T4438] x8 : ffff0000d0019c00 x7 : ffff800008716820 x6 : 0000000000000000 [ 46.871613][ T4438] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000871685c [ 46.873167][ T4438] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.874708][ T4438] Call trace: [ 46.875320][ T4438] __folio_start_writeback+0x8a8/0xa98 [ 46.876335][ T4438] set_page_writeback+0x5c/0x7c [ 46.877247][ T4438] gfs2_aspace_writepage+0x524/0x6f4 [ 46.878253][ T4438] __gfs2_writepage+0x70/0x184 [ 46.879167][ T4438] write_cache_pages+0x760/0xe00 [ 46.880065][ T4438] gfs2_ail1_flush+0x7a8/0x9f0 [ 46.880921][ T4438] empty_ail1_list+0x130/0x214 [ 46.881780][ T4438] __gfs2_log_flush+0x15c8/0x1bd4 [ 46.882669][ T4438] gfs2_log_flush+0x3c/0x58 [ 46.883466][ T4438] gfs2_kill_sb+0x5c/0xd8 [ 46.884381][ T4438] deactivate_locked_super+0xb4/0x128 [ 46.885538][ T4438] deactivate_super+0xe4/0x104 [ 46.886568][ T4438] cleanup_mnt+0x3a8/0x430 [ 46.887523][ T4438] __cleanup_mnt+0x20/0x30 [ 46.888406][ T4438] task_work_run+0x1f4/0x280 [ 46.889346][ T4438] do_exit+0x54c/0x19ac [ 46.890164][ T4438] do_group_exit+0x198/0x238 [ 46.891059][ T4438] get_signal+0x11f4/0x133c [ 46.891916][ T4438] do_notify_resume+0x364/0x2c84 [ 46.892868][ T4438] el0_svc+0x98/0x128 [ 46.893646][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 46.894637][ T4438] el0t_64_sync+0x18c/0x190 [ 46.895492][ T4438] irq event stamp: 162818 [ 46.896295][ T4438] hardirqs last enabled at (162817): [] folio_memcg_lock+0xe8/0x1f8 [ 46.898072][ T4438] hardirqs last disabled at (162818): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.899922][ T4438] softirqs last enabled at (162790): [] handle_softirqs+0xb1c/0xc90 [ 46.901695][ T4438] softirqs last disabled at (162443): [] __do_softirq+0x14/0x20 [ 46.903400][ T4438] ---[ end trace 0000000000000000 ]--- [ 46.919350][ C0] ------------[ cut here ]------------ [ 46.920441][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 46.922133][ C0] Modules linked in: [ 46.922758][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 46.924278][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 46.925931][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.927218][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 46.928115][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 46.929224][ C0] sp : ffff80001cb97980 [ 46.930020][ C0] x29: ffff80001cb979a0 x28: 1fffff80006a4df9 x27: 1fffff80006a4df8 [ 46.931644][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c5513cf0 [ 46.933208][ C0] x23: ffff0000c5513e98 x22: ffff0000d41382a0 x21: ffff0000d41382a8 [ 46.934709][ C0] x20: 0000000000000001 x19: fffffc0003526fc0 x18: 1fffe00033e7277e [ 46.936205][ C0] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 46.937703][ C0] x14: 0000000000000003 x13: 1ffff00003972f22 x12: 0000000000000000 [ 46.939163][ C0] x11: ff0080000871632c x10: 0000000000000000 x9 : ffff80000871632c [ 46.940693][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.942249][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 46.943740][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.945290][ C0] Call trace: [ 46.945922][ C0] __folio_end_writeback+0x7d0/0x9cc [ 46.946942][ C0] folio_end_writeback+0x12c/0x410 [ 46.947909][ C0] end_page_writeback+0x58/0x74 [ 46.948813][ C0] end_buffer_async_write+0x330/0x4fc [ 46.949807][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 46.950733][ C0] bio_endio+0x750/0x794 [ 46.951542][ C0] blk_update_request+0x4ac/0xc58 [ 46.952468][ C0] blk_mq_end_request+0x54/0x8c [ 46.953392][ C0] lo_complete_rq+0x1e8/0x238 [ 46.954295][ C0] blk_done_softirq+0x11c/0x168 [ 46.955221][ C0] handle_softirqs+0x318/0xc90 [ 46.956146][ C0] run_ksoftirqd+0x7c/0x2ac [ 46.957004][ C0] smpboot_thread_fn+0x4e8/0x960 [ 46.957884][ C0] kthread+0x254/0x2e0 [ 46.958638][ C0] ret_from_fork+0x10/0x20 [ 46.959433][ C0] irq event stamp: 430369 [ 46.960206][ C0] hardirqs last enabled at (430368): [] folio_memcg_lock+0xe8/0x1f8 [ 46.961889][ C0] hardirqs last disabled at (430369): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 46.963608][ C0] softirqs last enabled at (430358): [] handle_softirqs+0xb1c/0xc90 [ 46.965307][ C0] softirqs last disabled at (430363): [] run_ksoftirqd+0x7c/0x2ac [ 46.967042][ C0] ---[ end trace 0000000000000000 ]--- [ 46.971820][ T11] device veth1_macvtap left promiscuous mode [ 46.972972][ T11] device veth0_macvtap left promiscuous mode [ 46.974067][ T11] device veth1_vlan left promiscuous mode [ 46.975186][ T11] device veth0_vlan left promiscuous mode