Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. 1970/01/01 00:00:29 parsed 1 programs [ 30.977215][ T4325] cgroup: Unknown subsys name 'net' [ 31.194771][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.470253][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.224939][ T4338] chnl_net:caif_netlink_parms(): no params data found [ 36.241149][ T4338] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.243111][ T4338] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.244616][ T4338] device bridge_slave_0 entered promiscuous mode [ 36.246832][ T4338] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.248018][ T4338] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.249472][ T4338] device bridge_slave_1 entered promiscuous mode [ 36.258053][ T4338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.260357][ T4338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.267212][ T4338] team0: Port device team_slave_0 added [ 36.269056][ T4338] team0: Port device team_slave_1 added [ 36.274118][ T4338] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.275188][ T4338] 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. [ 36.279210][ T4338] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.281801][ T4338] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.282915][ T4338] 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. [ 36.286893][ T4338] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.342889][ T4338] device hsr_slave_0 entered promiscuous mode [ 36.401784][ T4338] device hsr_slave_1 entered promiscuous mode [ 36.487008][ T4338] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.524342][ T4338] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.574171][ T4338] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.603172][ T4338] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.651403][ T4338] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.652669][ T4338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.653916][ T4338] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.655036][ T4338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.671362][ T4338] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.675073][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.677360][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.679026][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.680736][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.685425][ T4338] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.688345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.689950][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.690967][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.696678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.698244][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.699319][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.704659][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.706172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.709606][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.712945][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.715662][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.718027][ T4338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.768841][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.770112][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.775958][ T4338] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.781531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.788054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.789701][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.790966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.793905][ T4338] device veth0_vlan entered promiscuous mode [ 36.796937][ T4338] device veth1_vlan entered promiscuous mode [ 36.804303][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.805711][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.807143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.809275][ T4338] device veth0_macvtap entered promiscuous mode [ 36.811525][ T4338] device veth1_macvtap entered promiscuous mode [ 36.818253][ T4338] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.819515][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.821325][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.828337][ T4338] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.829646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.833073][ T4338] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.834398][ T4338] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.835718][ T4338] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.837127][ T4338] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.383225][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.581194][ T4376] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.584575][ T4376] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.585854][ T4376] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.587517][ T4376] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.588823][ T4376] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.589963][ T4376] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.812143][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.813378][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.815345][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.821521][ T4369] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.822885][ T4369] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.824409][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:38 executed programs: 0 [ 38.315733][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.317402][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.318714][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.320271][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.322355][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.323637][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.372732][ T4412] chnl_net:caif_netlink_parms(): no params data found [ 38.387703][ T4412] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.388816][ T4412] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.390267][ T4412] device bridge_slave_0 entered promiscuous mode [ 38.393176][ T4412] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.394316][ T4412] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.395761][ T4412] device bridge_slave_1 entered promiscuous mode [ 38.405051][ T4412] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.407474][ T4412] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.416328][ T4412] team0: Port device team_slave_0 added [ 38.421919][ T4412] team0: Port device team_slave_1 added [ 38.427095][ T4412] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.428234][ T4412] 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. [ 38.432492][ T4412] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.434610][ T4412] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.435700][ T4412] 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. [ 38.439744][ T4412] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.483298][ T4412] device hsr_slave_0 entered promiscuous mode [ 38.521881][ T4412] device hsr_slave_1 entered promiscuous mode [ 38.561708][ T4412] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.563072][ T4412] Cannot create hsr debugfs directory [ 39.802638][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.342244][ T4376] Bluetooth: hci0: command 0x0409 tx timeout [ 42.152760][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.233463][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.412569][ T4376] Bluetooth: hci0: command 0x041b tx timeout [ 43.219653][ T4412] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.284166][ T4412] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.383361][ T4412] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.463506][ T4412] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.573413][ T4412] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.576902][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.578339][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.580880][ T4412] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.583605][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.585161][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.586643][ T1810] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.587741][ T1810] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.589149][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.593285][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.594822][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.596240][ T1810] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.597315][ T1810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.651716][ T4412] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.653535][ T4412] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.656411][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.658099][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.659916][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.661483][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.663208][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.664712][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.666146][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.667628][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.669220][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.670958][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.672787][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.674321][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.678788][ T39] device hsr_slave_0 left promiscuous mode [ 43.692396][ T39] device hsr_slave_1 left promiscuous mode [ 43.771827][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.773032][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.774634][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.775837][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.777219][ T39] device bridge_slave_1 left promiscuous mode [ 43.778393][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.822296][ T39] device bridge_slave_0 left promiscuous mode [ 43.823324][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.941950][ T39] device veth1_macvtap left promiscuous mode [ 43.942991][ T39] device veth0_macvtap left promiscuous mode [ 43.943970][ T39] device veth1_vlan left promiscuous mode [ 43.945033][ T39] device veth0_vlan left promiscuous mode [ 44.491910][ T4376] Bluetooth: hci0: command 0x040f tx timeout [ 46.102811][ T39] team0 (unregistering): Port device team_slave_1 removed [ 46.283415][ T39] team0 (unregistering): Port device team_slave_0 removed [ 46.452118][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.582122][ T4376] Bluetooth: hci0: command 0x0419 tx timeout [ 46.672875][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 48.262483][ T39] bond0 (unregistering): Released all slaves [ 48.632576][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.633914][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.637481][ T4412] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.643427][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.644940][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.651158][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.653118][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.654633][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.656052][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.658162][ T4412] device veth0_vlan entered promiscuous mode [ 48.661126][ T4412] device veth1_vlan entered promiscuous mode [ 48.670189][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.672102][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.673517][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.675148][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.677600][ T4412] device veth0_macvtap entered promiscuous mode [ 48.679853][ T4412] device veth1_macvtap entered promiscuous mode [ 48.685011][ T4412] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.686241][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.687681][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.689131][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.690556][ T1810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.694672][ T4412] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.696186][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.697746][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.699976][ T4412] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.701340][ T4412] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.703641][ T4412] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.705088][ T4412] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.728583][ T1810] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.730775][ T1810] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.733611][ T4369] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.739262][ T4369] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.740434][ T4369] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.742191][ T4369] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.889578][ T4502] loop0: detected capacity change from 0 to 32768 [ 48.894118][ T4502] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.895369][ T4502] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.904196][ T4502] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 48.906341][ T3430] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.907387][ T3430] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.920159][ T3430] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 48.923261][ T3430] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.924318][ T4502] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.979585][ T4412] ------------[ cut here ]------------ [ 48.980640][ T4412] WARNING: CPU: 1 PID: 4412 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 48.982194][ T4412] Modules linked in: [ 48.982853][ T4412] CPU: 1 PID: 4412 Comm: syz-executor Not tainted syzkaller #0 [ 48.984128][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.985675][ T4412] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.986868][ T4412] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 48.987776][ T4412] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 48.988601][ T4412] sp : ffff800020f876e0 [ 48.989344][ T4412] x29: ffff800020f87700 x28: 1fffff800066af48 x27: dfff800000000000 [ 48.990663][ T4412] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 48.991970][ T4412] x23: 0000000000000000 x22: fffffc0003357a48 x21: 1fffe00018093932 [ 48.993297][ T4412] x20: ffff0000da4da250 x19: fffffc0003357a40 x18: ffff800011b9bf60 [ 48.994542][ T4412] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 48.995759][ T4412] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 48.996961][ T4412] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 48.998285][ T4412] x8 : ffff0000c9da9bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.999631][ T4412] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 49.001017][ T4412] x2 : ffff0000cf23e060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.002370][ T4412] Call trace: [ 49.002927][ T4412] __folio_mark_dirty+0x8a0/0xcd8 [ 49.003758][ T4412] mark_buffer_dirty+0x2b8/0x5c0 [ 49.004622][ T4412] gfs2_unpin+0x120/0x8fc [ 49.005344][ T4412] buf_lo_after_commit+0x140/0x188 [ 49.006157][ T4412] gfs2_log_flush+0xc00/0x1b20 [ 49.006899][ T4412] gfs2_kill_sb+0x5c/0xd4 [ 49.007509][ T4412] deactivate_locked_super+0xac/0x120 [ 49.008408][ T4412] deactivate_super+0xe4/0x104 [ 49.009201][ T4412] cleanup_mnt+0x390/0x418 [ 49.009971][ T4412] __cleanup_mnt+0x20/0x30 [ 49.010707][ T4412] task_work_run+0x1ec/0x278 [ 49.011505][ T4412] do_notify_resume+0x1fa0/0x2aa4 [ 49.012337][ T4412] el0_svc+0x98/0x128 [ 49.012984][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 49.013783][ T4412] el0t_64_sync+0x18c/0x190 [ 49.014497][ T4412] irq event stamp: 169172 [ 49.015206][ T4412] hardirqs last enabled at (169171): [] folio_memcg_lock+0xe8/0x1f4 [ 49.016733][ T4412] hardirqs last disabled at (169172): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.018398][ T4412] softirqs last enabled at (169058): [] local_bh_enable+0x10/0x34 [ 49.020017][ T4412] softirqs last disabled at (169056): [] local_bh_disable+0x10/0x34 [ 49.021690][ T4412] ---[ end trace 0000000000000000 ]--- [ 49.029563][ T4412] ------------[ cut here ]------------ [ 49.030379][ T4412] WARNING: CPU: 1 PID: 4412 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 49.032026][ T4412] Modules linked in: [ 49.032632][ T4412] CPU: 1 PID: 4412 Comm: syz-executor Tainted: G W syzkaller #0 [ 49.034108][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.035712][ T4412] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.036949][ T4412] pc : __folio_start_writeback+0x88c/0xa7c [ 49.037957][ T4412] lr : __folio_start_writeback+0x88c/0xa7c [ 49.038959][ T4412] sp : ffff800020f87180 [ 49.039674][ T4412] x29: ffff800020f87260 x28: dfff800000000000 x27: 0000000000000000 [ 49.041087][ T4412] x26: ffff7000041f0e38 x25: 0000000000000000 x24: ffff0000da4da250 [ 49.042366][ T4412] x23: ffff800020f871e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 49.043660][ T4412] x20: fffffc0003357a48 x19: fffffc0003357a40 x18: ffff800011b9bf60 [ 49.044999][ T4412] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 49.046342][ T4412] x14: 0000000000000001 x13: 1fffff800066af48 x12: 0000000000ff0100 [ 49.047692][ T4412] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 49.049077][ T4412] x8 : ffff0000c9da9bc0 x7 : ffff80000870c070 x6 : 0000000000000000 [ 49.050461][ T4412] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 49.051934][ T4412] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.053299][ T4412] Call trace: [ 49.053845][ T4412] __folio_start_writeback+0x88c/0xa7c [ 49.054785][ T4412] set_page_writeback+0x5c/0x7c [ 49.055572][ T4412] gfs2_aspace_writepage+0x514/0x6dc [ 49.056411][ T4412] __gfs2_writepage+0x70/0x184 [ 49.057161][ T4412] write_cache_pages+0x74c/0xde8 [ 49.057977][ T4412] gfs2_ail1_flush+0x7c4/0xa14 [ 49.058721][ T4412] empty_ail1_list+0x130/0x214 [ 49.059459][ T4412] gfs2_log_flush+0x12b4/0x1b20 [ 49.060224][ T4412] gfs2_kill_sb+0x5c/0xd4 [ 49.060906][ T4412] deactivate_locked_super+0xac/0x120 [ 49.061819][ T4412] deactivate_super+0xe4/0x104 [ 49.062712][ T4412] cleanup_mnt+0x390/0x418 [ 49.063494][ T4412] __cleanup_mnt+0x20/0x30 [ 49.064253][ T4412] task_work_run+0x1ec/0x278 [ 49.065032][ T4412] do_notify_resume+0x1fa0/0x2aa4 [ 49.065880][ T4412] el0_svc+0x98/0x128 [ 49.066521][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 49.067431][ T4412] el0t_64_sync+0x18c/0x190 [ 49.068178][ T4412] irq event stamp: 169338 [ 49.068896][ T4412] hardirqs last enabled at (169337): [] folio_memcg_lock+0xe8/0x1f4 [ 49.070637][ T4412] hardirqs last disabled at (169338): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.072361][ T4412] softirqs last enabled at (169316): [] handle_softirqs+0xaec/0xc60 [ 49.074074][ T4412] softirqs last disabled at (169175): [] __do_softirq+0x14/0x20 [ 49.075692][ T4412] ---[ end trace 0000000000000000 ]--- [ 49.080983][ C1] ------------[ cut here ]------------ [ 49.081906][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 49.083554][ C1] Modules linked in: [ 49.084183][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.085642][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.087332][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.088598][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 49.089583][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 49.090540][ C1] sp : ffff80001ca97970 [ 49.091210][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 49.092447][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff800065af38 [ 49.093641][ C1] x23: 0000000000000001 x22: ffff0000da4d82a0 x21: ffff0000da4d82a8 [ 49.094895][ C1] x20: 0000000000000001 x19: fffffc00032d79c0 x18: ffff800011b9bf60 [ 49.096077][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 49.097343][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 49.098639][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 49.100020][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.101464][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 49.102931][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.104307][ C1] Call trace: [ 49.104880][ C1] __folio_end_writeback+0x7d0/0x9cc [ 49.105722][ C1] folio_end_writeback+0x12c/0x410 [ 49.106591][ C1] end_page_writeback+0x58/0x74 [ 49.107437][ C1] end_buffer_async_write+0x32c/0x4f4 [ 49.108328][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 49.109170][ C1] bio_endio+0x750/0x794 [ 49.109878][ C1] blk_update_request+0x49c/0xbec [ 49.110727][ C1] blk_mq_end_request+0x54/0x88 [ 49.111508][ C1] lo_complete_rq+0x1ec/0x250 [ 49.112279][ C1] blk_done_softirq+0x11c/0x168 [ 49.113116][ C1] handle_softirqs+0x318/0xc60 [ 49.113940][ C1] run_ksoftirqd+0x7c/0x2ac [ 49.114695][ C1] smpboot_thread_fn+0x4b0/0x964 [ 49.115489][ C1] kthread+0x250/0x2d8 [ 49.116232][ C1] ret_from_fork+0x10/0x20 [ 49.117016][ C1] irq event stamp: 383371 [ 49.117719][ C1] hardirqs last enabled at (383370): [] folio_memcg_lock+0xe8/0x1f4 [ 49.119338][ C1] hardirqs last disabled at (383371): [] _raw_