Warning: Permanently added '10.128.1.52' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 32.121927][ T4324] cgroup: Unknown subsys name 'net' [ 32.373757][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.648482][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.714928][ T4353] chnl_net:caif_netlink_parms(): no params data found [ 38.734820][ T4353] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.736110][ T4353] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.737640][ T4353] device bridge_slave_0 entered promiscuous mode [ 38.740144][ T4353] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.741514][ T4353] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.742944][ T4353] device bridge_slave_1 entered promiscuous mode [ 38.750266][ T4353] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.753334][ T4353] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.759400][ T4353] team0: Port device team_slave_0 added [ 38.761158][ T4353] team0: Port device team_slave_1 added [ 38.768468][ T4353] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.769595][ T4353] 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. [ 38.773764][ T4353] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.776237][ T4353] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.777344][ T4353] 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. [ 38.781490][ T4353] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.832465][ T4353] device hsr_slave_0 entered promiscuous mode [ 38.881280][ T4353] device hsr_slave_1 entered promiscuous mode [ 38.956200][ T4353] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.974364][ T4353] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.022553][ T4353] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.083503][ T4353] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.130365][ T4353] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.131478][ T4353] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.132794][ T4353] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.133847][ T4353] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.151875][ T4353] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.155902][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.158124][ T249] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.159895][ T249] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.162783][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.168824][ T4353] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.173662][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.175229][ T249] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.176374][ T249] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.177699][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.179195][ T249] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.180253][ T249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.188886][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.190431][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.194066][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.197271][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.199878][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.202678][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.257349][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.258715][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.263056][ T4353] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.268757][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.306358][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.308083][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.309637][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.312894][ T4353] device veth0_vlan entered promiscuous mode [ 39.315859][ T4353] device veth1_vlan entered promiscuous mode [ 39.324589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.326101][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.327764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.330153][ T4353] device veth0_macvtap entered promiscuous mode [ 39.333203][ T4353] device veth1_macvtap entered promiscuous mode [ 39.338186][ T4353] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.339440][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.342707][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.346260][ T4353] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.347640][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.350264][ T4353] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.352624][ T4353] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.354038][ T4353] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.355425][ T4353] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.722041][ T4398] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.723626][ T4398] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.724921][ T4398] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.726294][ T4398] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.727739][ T4398] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.729092][ T4398] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.866205][ T249] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.867474][ T249] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.869105][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.880037][ T249] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.881923][ T249] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.883534][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 40.327453][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.328933][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.330552][ T4400] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.333220][ T4400] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.334791][ T4400] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.336028][ T4400] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.383823][ T4423] chnl_net:caif_netlink_parms(): no params data found [ 40.399350][ T4423] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.400569][ T4423] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.403275][ T4423] device bridge_slave_0 entered promiscuous mode [ 40.405283][ T4423] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.406421][ T4423] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.407789][ T4423] device bridge_slave_1 entered promiscuous mode [ 40.569377][ T4423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.573958][ T4423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.580644][ T4423] team0: Port device team_slave_0 added [ 40.582645][ T4423] team0: Port device team_slave_1 added [ 40.588494][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.589697][ T4423] 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. [ 40.593842][ T4423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.596082][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.597154][ T4423] 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. [ 40.601699][ T4423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.633277][ T4423] device hsr_slave_0 entered promiscuous mode [ 40.671282][ T4423] device hsr_slave_1 entered promiscuous mode [ 40.721118][ T4423] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.722415][ T4423] Cannot create hsr debugfs directory [ 41.024401][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.411383][ T4400] Bluetooth: hci0: command 0x0409 tx timeout [ 43.512480][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.491300][ T4400] Bluetooth: hci0: command 0x041b tx timeout [ 44.963130][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.042990][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.026496][ T4423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.093963][ T4423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.132245][ T4423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.214126][ T4423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.364373][ T4423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.367981][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.369586][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.372730][ T4423] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.375043][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.376863][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.378231][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.379324][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.380719][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.413869][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.415379][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.416743][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.417964][ T4433] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.420441][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.423329][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.425830][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.427767][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.429405][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.432421][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.434086][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.436923][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.438460][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.441862][ T4423] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.443849][ T4423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.445223][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.446774][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.531009][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.532390][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.535863][ T4423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.542317][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.544371][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.550355][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.552414][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.554290][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.555888][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.581636][ T4400] Bluetooth: hci0: command 0x040f tx timeout [ 46.593700][ T4423] device veth0_vlan entered promiscuous mode [ 46.596810][ T4423] device veth1_vlan entered promiscuous mode [ 46.603751][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.605312][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.606636][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.607970][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.610487][ T4423] device veth0_macvtap entered promiscuous mode [ 46.613109][ T4423] device veth1_macvtap entered promiscuous mode [ 46.617329][ T4423] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.619074][ T4423] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.621127][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.622784][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.624322][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.625656][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.627882][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.630111][ T4423] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.632408][ T4423] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.634477][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.663864][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.665584][ T249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.668133][ T4423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.669635][ T4423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.670960][ T4423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.672707][ T4423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.692194][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.693493][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.743911][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.749683][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.750926][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.752947][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 46.912799][ T4512] loop0: detected capacity change from 0 to 32768 [ 46.918721][ T4512] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 46.920283][ T4512] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 46.934283][ T4512] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 46.936875][ T4376] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 46.938017][ T4376] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 46.951709][ T4376] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 46.954417][ T4376] gfs2: fsid=syz:syz.0: jid=0: Done [ 46.955491][ T4512] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.063116][ T4423] ------------[ cut here ]------------ [ 47.064089][ T4423] WARNING: CPU: 1 PID: 4423 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 47.065668][ T4423] Modules linked in: [ 47.066264][ T4423] CPU: 1 PID: 4423 Comm: syz-executor Not tainted syzkaller #0 [ 47.067371][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.068878][ T4423] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.070026][ T4423] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 47.070863][ T4423] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 47.071592][ T4423] sp : ffff800020c976e0 [ 47.072216][ T4423] x29: ffff800020c97700 x28: 1fffff8000672bd8 x27: dfff800000000000 [ 47.073402][ T4423] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 47.074577][ T4423] x23: 0000000000000000 x22: fffffc0003395ec8 x21: 1fffe00018093932 [ 47.075765][ T4423] x20: ffff0000da25e250 x19: fffffc0003395ec0 x18: ffff800011b7bf60 [ 47.076909][ T4423] x17: ffff800018338000 x16: ffff8000082d7e60 x15: ffff800017e19000 [ 47.078171][ T4423] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 47.079535][ T4423] x11: ff00800008708680 x10: 0000000000000000 x9 : ffff800008708680 [ 47.080925][ T4423] x8 : ffff0000c3c81bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.082150][ T4423] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a558d0 [ 47.083335][ T4423] x2 : ffff0000ce7ba060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.084505][ T4423] Call trace: [ 47.084980][ T4423] __folio_mark_dirty+0x8a0/0xcd8 [ 47.085711][ T4423] mark_buffer_dirty+0x2b8/0x5c0 [ 47.086422][ T4423] gfs2_unpin+0x120/0x8fc [ 47.087096][ T4423] buf_lo_after_commit+0x140/0x188 [ 47.087883][ T4423] gfs2_log_flush+0xbf0/0x1b10 [ 47.088601][ T4423] gfs2_kill_sb+0x5c/0xd4 [ 47.089227][ T4423] deactivate_locked_super+0xac/0x120 [ 47.090058][ T4423] deactivate_super+0xe4/0x104 [ 47.090744][ T4423] cleanup_mnt+0x390/0x418 [ 47.091389][ T4423] __cleanup_mnt+0x20/0x30 [ 47.092046][ T4423] task_work_run+0x1ec/0x278 [ 47.092726][ T4423] do_notify_resume+0x1fa0/0x2aa4 [ 47.093478][ T4423] el0_svc+0x98/0x128 [ 47.094116][ T4423] el0t_64_sync_handler+0x84/0xf0 [ 47.094869][ T4423] el0t_64_sync+0x18c/0x190 [ 47.095527][ T4423] irq event stamp: 157930 [ 47.096134][ T4423] hardirqs last enabled at (157929): [] exit_to_kernel_mode+0xcc/0xfc [ 47.097554][ T4423] hardirqs last disabled at (157930): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.099039][ T4423] softirqs last enabled at (157824): [] local_bh_enable+0x10/0x34 [ 47.100401][ T4423] softirqs last disabled at (157822): [] local_bh_disable+0x10/0x34 [ 47.101743][ T4423] ---[ end trace 0000000000000000 ]--- [ 47.104482][ T4423] ------------[ cut here ]------------ [ 47.105375][ T4423] WARNING: CPU: 0 PID: 4423 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 47.107075][ T4423] Modules linked in: [ 47.107705][ T4423] CPU: 0 PID: 4423 Comm: syz-executor Tainted: G W syzkaller #0 [ 47.109146][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.110563][ T4423] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.111715][ T4423] pc : __folio_start_writeback+0x88c/0xa7c [ 47.112623][ T4423] lr : __folio_start_writeback+0x88c/0xa7c [ 47.113503][ T4423] sp : ffff800020c97180 [ 47.114111][ T4423] x29: ffff800020c97260 x28: dfff800000000000 x27: 0000000000000000 [ 47.115306][ T4423] x26: ffff700004192e38 x25: 0000000000000000 x24: ffff0000da25e250 [ 47.116508][ T4423] x23: ffff800020c971e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 47.117743][ T4423] x20: fffffc0003395ec8 x19: fffffc0003395ec0 x18: ffff800011b7bf60 [ 47.118913][ T4423] x17: ffff800018338000 x16: ffff8000082d7e60 x15: 0000000000000000 [ 47.120172][ T4423] x14: 0000000000000001 x13: 1fffff8000672bd8 x12: 0000000000ff0100 [ 47.121287][ T4423] x11: ff0080000870ab8c x10: 0000000000000000 x9 : ffff80000870ab8c [ 47.122446][ T4423] x8 : ffff0000c3c81bc0 x7 : ffff80000870a5f8 x6 : 0000000000000000 [ 47.123634][ T4423] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870a638 [ 47.124810][ T4423] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.126026][ T4423] Call trace: [ 47.126474][ T4423] __folio_start_writeback+0x88c/0xa7c [ 47.127237][ T4423] set_page_writeback+0x5c/0x7c [ 47.127929][ T4423] gfs2_aspace_writepage+0x514/0x6dc [ 47.128683][ T4423] __gfs2_writepage+0x70/0x184 [ 47.129435][ T4423] write_cache_pages+0x74c/0xde8 [ 47.130171][ T4423] gfs2_ail1_flush+0x7c4/0xa14 [ 47.130828][ T4423] empty_ail1_list+0x130/0x214 [ 47.131536][ T4423] gfs2_log_flush+0x12a4/0x1b10 [ 47.132253][ T4423] gfs2_kill_sb+0x5c/0xd4 [ 47.132916][ T4423] deactivate_locked_super+0xac/0x120 [ 47.133764][ T4423] deactivate_super+0xe4/0x104 [ 47.134503][ T4423] cleanup_mnt+0x390/0x418 [ 47.135134][ T4423] __cleanup_mnt+0x20/0x30 [ 47.135784][ T4423] task_work_run+0x1ec/0x278 [ 47.136491][ T4423] do_notify_resume+0x1fa0/0x2aa4 [ 47.137244][ T4423] el0_svc+0x98/0x128 [ 47.137882][ T4423] el0t_64_sync_handler+0x84/0xf0 [ 47.138608][ T4423] el0t_64_sync+0x18c/0x190 [ 47.139242][ T4423] irq event stamp: 158218 [ 47.139816][ T4423] hardirqs last enabled at (158217): [] folio_memcg_lock+0xe8/0x1f4 [ 47.141174][ T4423] hardirqs last disabled at (158218): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.142597][ T4423] softirqs last enabled at (158180): [] handle_softirqs+0xaec/0xc60 [ 47.144127][ T4423] softirqs last disabled at (157933): [] __do_softirq+0x14/0x20 [ 47.145468][ T4423] ---[ end trace 0000000000000000 ]--- [ 47.149626][ C0] ------------[ cut here ]------------ [ 47.150553][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 47.152015][ C0] Modules linked in: [ 47.152594][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 47.153810][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.155176][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.156330][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 47.157173][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 47.158002][ C0] sp : ffff80001ca07970 [ 47.158592][ C0] x29: ffff80001ca07990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 47.159766][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff800065df28 [ 47.161023][ C0] x23: 0000000000000001 x22: ffff0000da25c2a0 x21: ffff0000da25c2a8 [ 47.162245][ C0] x20: 0000000000000001 x19: fffffc00032ef940 x18: ffff800011b7bf60 [ 47.163380][ C0] x17: 1fffe00033eaab7e x16: ffff8000082d7e60 x15: 0000000000000000 [ 47.164675][ C0] x14: 0000000000000003 x13: 1ffff00003940f20 x12: 0000000000ff0100 [ 47.165832][ C0] x11: ff0080000870a104 x10: 0000000000000000 x9 : ffff80000870a104 [ 47.167054][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.168241][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.169429][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.170681][ C0] Call trace: [ 47.171201][ C0] __folio_end_writeback+0x7d0/0x9cc [ 47.172002][ C0] folio_end_writeback+0x12c/0x410 [ 47.172762][ C0] end_page_writeback+0x58/0x74 [ 47.173466][ C0] end_buffer_async_write+0x32c/0x4f4 [ 47.174212][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 47.174923][ C0] bio_endio+0x750/0x794 [ 47.175579][ C0] blk_update_request+0x49c/0xbec [ 47.176302][ C0] blk_mq_end_request+0x54/0x88 [ 47.177021][ C0] lo_complete_rq+0x1ec/0x250 [ 47.177704][ C0] blk_done_softirq+0x11c/0x168 [ 47.178406][ C0] handle_softirqs+0x318/0xc60 [ 47.179147][ C0] run_ksoftirqd+0x7c/0x2ac [ 47.179822][ C0] smpboot_thread_fn+0x4b0/0x964 [ 47.180561][ C0] kthread+0x250/0x2d8 [ 47.181136][ C0] ret_from_fork+0x10/0x20 [ 47.181737][ C0] irq event stamp: 442905 [ 47.182366][ C0] hardirqs last enabled at (442904): [] folio_memcg_lock+0xe8/0x1f4 [ 47.183749][ C0] hardirqs last disabled at (442905): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.185201][ C0] softirqs last enabled at (442894): [] handle_softirqs+0xaec/0xc60 [ 47.186675][ C0] softirqs last disabled at (442899): [] run_ksoftirqd+0x7c/0x2ac [ 47.188210][ C0] ---[ end trace 0000000000000000 ]---