Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 29.101996][ T4326] cgroup: Unknown subsys name 'net' [ 29.365523][ T4326] cgroup: Unknown subsys name 'rlimit' [ 29.629868][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.045909][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.047098][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.048959][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.055975][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.057321][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.058997][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.530031][ T4366] chnl_net:caif_netlink_parms(): no params data found [ 35.575828][ T4366] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.577033][ T4366] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.578485][ T4366] device bridge_slave_0 entered promiscuous mode [ 35.580861][ T4366] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.582012][ T4366] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.583727][ T4366] device bridge_slave_1 entered promiscuous mode [ 35.591419][ T4366] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.593894][ T4366] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.601128][ T4366] team0: Port device team_slave_0 added [ 35.602801][ T4366] team0: Port device team_slave_1 added [ 35.609077][ T4366] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.610203][ T4366] 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. [ 35.614165][ T4366] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.616511][ T4366] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.617689][ T4366] 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. [ 35.621378][ T4366] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.663565][ T4366] device hsr_slave_0 entered promiscuous mode [ 35.712714][ T4366] device hsr_slave_1 entered promiscuous mode [ 35.786942][ T4366] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.814018][ T4366] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.853774][ T4366] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.893701][ T4366] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.941429][ T4366] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.942703][ T4366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.944011][ T4366] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.945059][ T4366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.964508][ T4366] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.968419][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.970585][ T776] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.972222][ T776] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.976937][ T4366] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.980063][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.981588][ T776] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.982761][ T776] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.986304][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.987735][ T776] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.988753][ T776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.996900][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.998570][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.001573][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.005042][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.007823][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.010142][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.063530][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.064911][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.068620][ T4366] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.075934][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.077525][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.082924][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.084768][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.086416][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.087980][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.090167][ T4366] device veth0_vlan entered promiscuous mode [ 36.093692][ T4366] device veth1_vlan entered promiscuous mode [ 36.100061][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.101520][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.103989][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 36.105519][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.108552][ T4366] device veth0_macvtap entered promiscuous mode [ 36.110903][ T4366] device veth1_macvtap entered promiscuous mode [ 36.116563][ T4366] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.117751][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.119256][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 36.120632][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 36.122091][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.134323][ T4366] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.135624][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 36.137146][ T776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.139618][ T4366] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.141033][ T4366] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.142386][ T4366] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.144001][ T4366] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.387227][ T4412] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.388861][ T4412] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.390420][ T4412] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.391868][ T4412] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.393474][ T4412] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.394681][ T4412] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:37 executed programs: 0 [ 37.080669][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.082284][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.084132][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.086375][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.087737][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.088935][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.404508][ T4429] chnl_net:caif_netlink_parms(): no params data found [ 37.430171][ T4429] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.431384][ T4429] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.433052][ T4429] device bridge_slave_0 entered promiscuous mode [ 37.435046][ T4429] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.436194][ T4429] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.437523][ T4429] device bridge_slave_1 entered promiscuous mode [ 37.445982][ T4429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.448445][ T4429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.543684][ T4429] team0: Port device team_slave_0 added [ 37.545498][ T4429] team0: Port device team_slave_1 added [ 37.713663][ T4429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.714728][ T4429] 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. [ 37.718592][ T4429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.721528][ T4429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.722673][ T4429] 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. [ 37.726421][ T4429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.773506][ T4429] device hsr_slave_0 entered promiscuous mode [ 37.812711][ T4429] device hsr_slave_1 entered promiscuous mode [ 37.852652][ T4429] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 37.853867][ T4429] Cannot create hsr debugfs directory [ 37.934182][ T4429] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.132965][ T4412] Bluetooth: hci0: command 0x0409 tx timeout [ 41.212779][ T4412] Bluetooth: hci0: command 0x041b tx timeout [ 41.273640][ T4429] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.673471][ T4429] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.813770][ T4429] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.987282][ T4429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 42.084385][ T4429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 42.184113][ T4429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 42.223505][ T4429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 42.343996][ T4429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.347387][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.348860][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.351161][ T4429] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.353833][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.355320][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.356699][ T4431] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.357793][ T4431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.359939][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.362306][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.363930][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.365253][ T4431] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.366340][ T4431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.416046][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.418755][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.421291][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.423191][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.424711][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.427013][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.428533][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.430936][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.432232][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.434908][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.436261][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.438649][ T4429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.508223][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.509485][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.513007][ T4429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.518554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.520122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.565354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.566888][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.568441][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.569873][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.571903][ T4429] device veth0_vlan entered promiscuous mode [ 42.575161][ T4429] device veth1_vlan entered promiscuous mode [ 42.580921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.582222][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.583793][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.585284][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.587615][ T4429] device veth0_macvtap entered promiscuous mode [ 42.589634][ T4429] device veth1_macvtap entered promiscuous mode [ 42.596270][ T1749] device hsr_slave_0 left promiscuous mode [ 42.643217][ T1749] device hsr_slave_1 left promiscuous mode [ 42.752624][ T1749] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 42.753820][ T1749] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 42.755398][ T1749] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 42.756509][ T1749] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 42.757994][ T1749] device bridge_slave_1 left promiscuous mode [ 42.759308][ T1749] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.803355][ T1749] device bridge_slave_0 left promiscuous mode [ 42.804336][ T1749] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.942651][ T1749] device veth1_macvtap left promiscuous mode [ 42.943650][ T1749] device veth0_macvtap left promiscuous mode [ 42.944699][ T1749] device veth1_vlan left promiscuous mode [ 42.945708][ T1749] device veth0_vlan left promiscuous mode [ 43.292496][ T4412] Bluetooth: hci0: command 0x040f tx timeout [ 44.683868][ T1749] team0 (unregistering): Port device team_slave_1 removed [ 44.853473][ T1749] team0 (unregistering): Port device team_slave_0 removed [ 45.052995][ T1749] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 45.263779][ T1749] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 45.372485][ T4413] Bluetooth: hci0: command 0x0419 tx timeout [ 47.654449][ T1749] bond0 (unregistering): Released all slaves [ 47.865211][ T4429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.867551][ T4429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.869692][ T4429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.871122][ T4429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.872651][ T4429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.874006][ T4429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.881523][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.883148][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.884663][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.886143][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.887625][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.889110][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.910201][ T4431] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.911495][ T4431] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.914766][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.923421][ T776] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.924733][ T776] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.926480][ T4431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.084936][ T4465] loop0: detected capacity change from 0 to 32768 [ 48.091483][ T4465] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.095171][ T4465] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.105196][ T4465] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 48.107574][ T4443] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.108614][ T4443] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.120115][ T4443] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 48.123490][ T4443] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.124552][ T4465] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.236855][ T4429] ------------[ cut here ]------------ [ 48.237898][ T4429] WARNING: CPU: 1 PID: 4429 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 48.239406][ T4429] Modules linked in: [ 48.240003][ T4429] CPU: 1 PID: 4429 Comm: syz-executor Not tainted syzkaller #0 [ 48.241121][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.242502][ T4429] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.243657][ T4429] pc : __folio_mark_dirty+0x8a0/0xce0 [ 48.244521][ T4429] lr : __folio_mark_dirty+0x8a0/0xce0 [ 48.245490][ T4429] sp : ffff8000211875e0 [ 48.246128][ T4429] x29: ffff800021187600 x28: 1fffff80006c9260 x27: dfff800000000000 [ 48.247357][ T4429] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 48.248579][ T4429] x23: 0000000000000000 x22: fffffc0003649308 x21: 1fffe000180b17d2 [ 48.249960][ T4429] x20: ffff0000d80f2250 x19: fffffc0003649300 x18: ffff800011abbcc0 [ 48.251205][ T4429] x17: ffff8000181f8000 x16: ffff8000082d0e30 x15: ffff800017cd8fc0 [ 48.252398][ T4429] x14: ffff0000c413c218 x13: ffff0000c413c290 x12: 0000000000ff0100 [ 48.253547][ T4429] x11: ff008000086fb7c0 x10: 0000000000000000 x9 : ffff8000086fb7c0 [ 48.254691][ T4429] x8 : ffff0000c413b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.255864][ T4429] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a462a0 [ 48.256997][ T4429] x2 : ffff0000ce988060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.258156][ T4429] Call trace: [ 48.258617][ T4429] __folio_mark_dirty+0x8a0/0xce0 [ 48.259331][ T4429] mark_buffer_dirty+0x2b8/0x5cc [ 48.260016][ T4429] gfs2_unpin+0x120/0x914 [ 48.260665][ T4429] buf_lo_after_commit+0x140/0x188 [ 48.261401][ T4429] gfs2_log_flush+0xbc8/0x1aa0 [ 48.262077][ T4429] gfs2_kill_sb+0x5c/0xd4 [ 48.262748][ T4429] deactivate_locked_super+0xac/0x124 [ 48.263511][ T4429] deactivate_super+0xe8/0x108 [ 48.264217][ T4429] cleanup_mnt+0x37c/0x404 [ 48.264862][ T4429] __cleanup_mnt+0x20/0x30 [ 48.265479][ T4429] task_work_run+0x1ec/0x270 [ 48.266135][ T4429] get_signal+0x1120/0x1310 [ 48.266796][ T4429] do_notify_resume+0x340/0x2b0c [ 48.267597][ T4429] el0_svc+0x98/0x138 [ 48.268232][ T4429] el0t_64_sync_handler+0x84/0xf0 [ 48.269095][ T4429] el0t_64_sync+0x18c/0x190 [ 48.269772][ T4429] irq event stamp: 169006 [ 48.270478][ T4429] hardirqs last enabled at (169005): [] folio_memcg_lock+0xe8/0x1fc [ 48.272057][ T4429] hardirqs last disabled at (169006): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 48.273753][ T4429] softirqs last enabled at (168814): [] local_bh_enable+0x10/0x34 [ 48.275315][ T4429] softirqs last disabled at (168812): [] local_bh_disable+0x10/0x34 [ 48.276840][ T4429] ---[ end trace 0000000000000000 ]--- [ 48.280137][ T4429] ------------[ cut here ]------------ [ 48.280991][ T4429] WARNING: CPU: 1 PID: 4429 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 48.282653][ T4429] Modules linked in: [ 48.283286][ T4429] CPU: 1 PID: 4429 Comm: syz-executor Tainted: G W syzkaller #0 [ 48.284641][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.286085][ T4429] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.287288][ T4429] pc : __folio_start_writeback+0x868/0xa68 [ 48.288138][ T4429] lr : __folio_start_writeback+0x868/0xa68 [ 48.289049][ T4429] sp : ffff800021187080 [ 48.289801][ T4429] x29: ffff800021187160 x28: dfff800000000000 x27: 0000000000000000 [ 48.291169][ T4429] x26: ffff700004230e18 x25: 0000000000000000 x24: ffff0000d80f2250 [ 48.292472][ T4429] x23: ffff8000211870e0 x22: ffff0000c058bce8 x21: 0000000000000001 [ 48.293877][ T4429] x20: fffffc0003649308 x19: fffffc0003649300 x18: ffff800011abbcc0 [ 48.295129][ T4429] x17: ffff8000181f8000 x16: ffff8000082d0e30 x15: 0000000000000000 [ 48.296467][ T4429] x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 48.297789][ T4429] x11: ff008000086fdcd8 x10: 0000000000000000 x9 : ffff8000086fdcd8 [ 48.299169][ T4429] x8 : ffff0000c413b780 x7 : ffff8000086fd758 x6 : 0000000000000000 [ 48.300463][ T4429] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fd798 [ 48.301714][ T4429] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.302856][ T4429] Call trace: [ 48.303366][ T4429] __folio_start_writeback+0x868/0xa68 [ 48.304128][ T4429] set_page_writeback+0x5c/0x7c [ 48.304811][ T4429] gfs2_aspace_writepage+0x520/0x6e8 [ 48.305585][ T4429] __gfs2_writepage+0x70/0x18c [ 48.306339][ T4429] write_cache_pages+0x73c/0xdd4 [ 48.307083][ T4429] gfs2_ail1_flush+0x7c0/0xa00 [ 48.307723][ T4429] empty_ail1_list+0x110/0x1ec [ 48.308425][ T4429] gfs2_log_flush+0x1258/0x1aa0 [ 48.309107][ T4429] gfs2_kill_sb+0x5c/0xd4 [ 48.309759][ T4429] deactivate_locked_super+0xac/0x124 [ 48.310573][ T4429] deactivate_super+0xe8/0x108 [ 48.311314][ T4429] cleanup_mnt+0x37c/0x404 [ 48.311952][ T4429] __cleanup_mnt+0x20/0x30 [ 48.312651][ T4429] task_work_run+0x1ec/0x270 [ 48.313353][ T4429] get_signal+0x1120/0x1310 [ 48.314030][ T4429] do_notify_resume+0x340/0x2b0c [ 48.314757][ T4429] el0_svc+0x98/0x138 [ 48.315309][ T4429] el0t_64_sync_handler+0x84/0xf0 [ 48.316021][ T4429] el0t_64_sync+0x18c/0x190 [ 48.316701][ T4429] irq event stamp: 169146 [ 48.317330][ T4429] hardirqs last enabled at (169145): [] folio_memcg_lock+0xe8/0x1fc [ 48.318716][ T4429] hardirqs last disabled at (169146): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 48.320269][ T4429] softirqs last enabled at (169108): [] handle_softirqs+0xaf8/0xc6c [ 48.321818][ T4429] softirqs last disabled at (169009): [] __do_softirq+0x14/0x20 [ 48.323317][ T4429] ---[ end trace 0000000000000000 ]--- [ 48.325635][ C0] ------------[ cut here ]------------ [ 48.326666][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 48.328267][ C0] Modules linked in: [ 48.328885][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 48.330162][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.331691][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.332830][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 48.333720][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 48.334603][ C0] sp : ffff80001c8c7960 [ 48.335195][ C0] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c058bce8 [ 48.336395][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006d4cd0 [ 48.337505][ C0] x23: 0000000000000001 x22: ffff0000d80f02a0 x21: ffff0000d80f02a8 [ 48.338665][ C0] x20: 0000000000000001 x19: fffffc00036a6680 x18: ffff800011abbcc0 [ 48.339882][ C0] x17: 1fffe00033ed797e x16: ffff8000082d0e30 x15: 0000000000000000 [ 48.341009][ C0] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 48.342317][ C0] x11: ff008000086fd264 x10: 0000000000000000 x9 : ffff8000086fd264 [ 48.343621][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.344862][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 48.346128][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.347409][ C0] Call trace: [ 48.347931][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 48.348779][ C0] folio_end_writeback+0x12c/0x41c [ 48.349566][ C0] end_page_writeback+0x58/0x74 [ 48.350331][ C0] end_buffer_async_write+0x32c/0x508 [ 48.351135][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 48.351910][ C0] bio_endio+0x770/0x7b4 [ 48.352556][ C0] blk_update_request+0x49c/0xbec [ 48.353368][ C0] blk_mq_end_request+0x54/0x88 [ 48.354171][ C0] lo_complete_rq+0x1ec/0x250 [ 48.354899][ C0] blk_done_softirq+0x11c/0x168 [ 48.355631][ C0] handle_softirqs+0x318/0xc6c [ 48.356404][ C0] run_ksoftirqd+0x7c/0x2a0 [ 48.357127][ C0] smpboot_thread_fn+0x4b0/0x964 [ 48.357941][ C0] kthread+0x250/0x2d8 [ 48.358629][ C0] ret_from_fork+0x10/0x20 [ 48.359300][ C0] irq event stamp: 434707 [ 48.359947][ C0] hardirqs last enabled at (434706): [] folio_memcg_lock+0xe8/0x1fc [ 48.361396][ C0] hardirqs last disabled at (434707): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 48.362958][ C0] softirqs last enabled at (434696): [] handle_softirqs+0xaf8/0xc6c [ 48.364554][ C0] softirqs last disabled at (434701): [] run_ksoftirqd+0x7c/0x2a0 [ 48.366039][ C0] ---[ end trace 0000000000000000 ]---