Warning: Permanently added '10.128.1.244' (ED25519) to the list of known hosts. 1970/01/01 00:00:37 parsed 1 programs [ 39.005591][ T4325] cgroup: Unknown subsys name 'net' [ 39.221089][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 39.497116][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 43.109867][ T4339] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.111371][ T4341] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.112604][ T4341] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.114155][ T4341] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.115527][ T4341] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.116790][ T4341] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.755222][ T4376] chnl_net:caif_netlink_parms(): no params data found [ 43.772605][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.773806][ T4376] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.775258][ T4376] device bridge_slave_0 entered promiscuous mode [ 43.777500][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.779408][ T4376] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.780880][ T4376] device bridge_slave_1 entered promiscuous mode [ 43.789647][ T4376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.791918][ T4376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.799783][ T4376] team0: Port device team_slave_0 added [ 43.801506][ T4376] team0: Port device team_slave_1 added [ 43.807115][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.808188][ T4376] 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. [ 43.812350][ T4376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.814838][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.815863][ T4376] 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. [ 43.819986][ T4376] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.869699][ T4376] device hsr_slave_0 entered promiscuous mode [ 43.928792][ T4376] device hsr_slave_1 entered promiscuous mode [ 44.042039][ T4376] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.081827][ T4376] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.140534][ T4376] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.189973][ T4376] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.246932][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.248092][ T4376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.249640][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.250710][ T4376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.267156][ T4376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.271169][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.273597][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.275235][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.276996][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.281451][ T4376] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.284592][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.286205][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.287264][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.293495][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.294947][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.296022][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.302479][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.303927][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.306898][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.310746][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.312979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.315326][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.370356][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.371675][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.374694][ T4376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.381615][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.387448][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.391427][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.392936][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.395885][ T4376] device veth0_vlan entered promiscuous mode [ 44.398606][ T4376] device veth1_vlan entered promiscuous mode [ 44.400735][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.408122][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.410542][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.413142][ T4376] device veth0_macvtap entered promiscuous mode [ 44.415417][ T4376] device veth1_macvtap entered promiscuous mode [ 44.421953][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.423280][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.425196][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.427969][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.432734][ T4376] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.434064][ T4376] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.435246][ T4376] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.436456][ T4376] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.439519][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.555905][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.557194][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.559204][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.566818][ T297] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.568116][ T297] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.571037][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:45 executed programs: 0 [ 45.143585][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.145071][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.146329][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.147782][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.149618][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.150741][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.199332][ T4433] chnl_net:caif_netlink_parms(): no params data found [ 45.495191][ T4433] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.496319][ T4433] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.497827][ T4433] device bridge_slave_0 entered promiscuous mode [ 45.500058][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.501175][ T4433] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.502690][ T4433] device bridge_slave_1 entered promiscuous mode [ 45.511195][ T4433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.514232][ T4433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.524759][ T4433] team0: Port device team_slave_0 added [ 45.526502][ T4433] team0: Port device team_slave_1 added [ 45.534800][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.535943][ T4433] 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. [ 45.540091][ T4433] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.542403][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.543430][ T4433] 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. [ 45.547204][ T4433] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.569866][ T4433] device hsr_slave_0 entered promiscuous mode [ 45.639373][ T4433] device hsr_slave_1 entered promiscuous mode [ 45.688893][ T4433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 45.690170][ T4433] Cannot create hsr debugfs directory [ 46.111343][ T4433] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.198864][ T4341] Bluetooth: hci0: command 0x0409 tx timeout [ 48.759965][ T4433] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.278692][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 50.229829][ T4433] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.380664][ T4433] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.550437][ T4433] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.640502][ T4433] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.730501][ T4433] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.779590][ T4433] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.899434][ T4433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.904720][ T4433] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.909314][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.910630][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.911951][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.913313][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.915310][ T4408] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.916412][ T4408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.917806][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.920844][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.922318][ T4408] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.923300][ T4408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.924566][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.926467][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.961437][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.964454][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.966354][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.968007][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.970774][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.972424][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.974785][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.976261][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.979603][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.981092][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.983849][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.074786][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.076033][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.079088][ T4433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.085044][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.086598][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.092308][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.093661][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.095279][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.096650][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.099066][ T4433] device veth0_vlan entered promiscuous mode [ 51.102137][ T4433] device veth1_vlan entered promiscuous mode [ 51.110879][ T4433] device veth0_macvtap entered promiscuous mode [ 51.112193][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.113765][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.115202][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.116576][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.118010][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.172726][ T4433] device veth1_macvtap entered promiscuous mode [ 51.177338][ T4433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 51.179044][ T4433] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.180984][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.182277][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.183747][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.185123][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.187494][ T4433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 51.189115][ T4433] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.190947][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.192106][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.193772][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.196094][ T4433] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.197473][ T4433] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.198996][ T4433] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.200347][ T4433] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.221131][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.222506][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.224073][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.232030][ T4408] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.233192][ T4408] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.234868][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.368875][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 51.388526][ T4452] loop0: detected capacity change from 0 to 32768 [ 51.395504][ T4452] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.396852][ T4452] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.406897][ T4452] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.409588][ T4352] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.410603][ T4352] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.428313][ T4352] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 17ms [ 51.430811][ T4352] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.432024][ T4452] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.532605][ T4433] ------------[ cut here ]------------ [ 51.533615][ T4433] WARNING: CPU: 0 PID: 4433 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 51.535166][ T4433] Modules linked in: [ 51.535753][ T4433] CPU: 0 PID: 4433 Comm: syz-executor Not tainted syzkaller #0 [ 51.536839][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.538320][ T4433] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.539518][ T4433] pc : __folio_mark_dirty+0x8a0/0xce0 [ 51.540304][ T4433] lr : __folio_mark_dirty+0x8a0/0xce0 [ 51.541170][ T4433] sp : ffff8000208375e0 [ 51.541786][ T4433] x29: ffff800020837600 x28: 1fffff8000757010 x27: dfff800000000000 [ 51.542952][ T4433] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 51.544124][ T4433] x23: 0000000000000000 x22: fffffc0003ab8088 x21: 1fffe00018093932 [ 51.545319][ T4433] x20: ffff0000d31707e8 x19: fffffc0003ab8080 x18: ffff800011a5bd40 [ 51.546470][ T4433] x17: ffff800018184000 x16: ffff8000082d2558 x15: ffff800017c65000 [ 51.547696][ T4433] x14: ffff0000dbac0a98 x13: ffff0000dbac0b10 x12: 0000000000ff0100 [ 51.548901][ T4433] x11: ff008000086fd29c x10: 0000000000000000 x9 : ffff8000086fd29c [ 51.550110][ T4433] x8 : ffff0000dbac0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.551343][ T4433] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a4835c [ 51.552533][ T4433] x2 : ffff0000ce88c060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.553679][ T4433] Call trace: [ 51.554151][ T4433] __folio_mark_dirty+0x8a0/0xce0 [ 51.554921][ T4433] mark_buffer_dirty+0x2b8/0x5cc [ 51.555669][ T4433] gfs2_unpin+0x120/0x914 [ 51.556290][ T4433] buf_lo_after_commit+0x140/0x188 [ 51.557028][ T4433] gfs2_log_flush+0xbc8/0x1aa0 [ 51.557719][ T4433] gfs2_kill_sb+0x5c/0xd4 [ 51.558330][ T4433] deactivate_locked_super+0xac/0x124 [ 51.559113][ T4433] deactivate_super+0xe8/0x108 [ 51.559841][ T4433] cleanup_mnt+0x37c/0x404 [ 51.560472][ T4433] __cleanup_mnt+0x20/0x30 [ 51.561080][ T4433] task_work_run+0x1ec/0x270 [ 51.561746][ T4433] get_signal+0x1120/0x1310 [ 51.562345][ T4433] do_notify_resume+0x34c/0x2b28 [ 51.563125][ T4433] el0_svc+0x98/0x138 [ 51.563755][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 51.564464][ T4433] el0t_64_sync+0x18c/0x190 [ 51.565123][ T4433] irq event stamp: 164322 [ 51.565773][ T4433] hardirqs last enabled at (164321): [] folio_memcg_lock+0xe8/0x1fc [ 51.567179][ T4433] hardirqs last disabled at (164322): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.568627][ T4433] softirqs last enabled at (164102): [] local_bh_enable+0x10/0x34 [ 51.569989][ T4433] softirqs last disabled at (164100): [] local_bh_disable+0x10/0x34 [ 51.571337][ T4433] ---[ end trace 0000000000000000 ]--- [ 51.573755][ T4433] ------------[ cut here ]------------ [ 51.574603][ T4433] WARNING: CPU: 1 PID: 4433 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 51.576296][ T4433] Modules linked in: [ 51.576891][ T4433] CPU: 1 PID: 4433 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.578264][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.579870][ T4433] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.581127][ T4433] pc : __folio_start_writeback+0x868/0xa68 [ 51.582006][ T4433] lr : __folio_start_writeback+0x868/0xa68 [ 51.582847][ T4433] sp : ffff800020837080 [ 51.583466][ T4433] x29: ffff800020837160 x28: dfff800000000000 x27: 0000000000000000 [ 51.584647][ T4433] x26: ffff700004106e18 x25: 0000000000000000 x24: ffff0000d31707e8 [ 51.585887][ T4433] x23: ffff8000208370e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 51.587066][ T4433] x20: fffffc0003ab8088 x19: fffffc0003ab8080 x18: ffff800011a5bd40 [ 51.588295][ T4433] x17: ffff800018184000 x16: ffff8000082d2558 x15: 0000000000000000 [ 51.589501][ T4433] x14: 0000000000000406 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 51.590649][ T4433] x11: ff008000086ff7b4 x10: 0000000000000000 x9 : ffff8000086ff7b4 [ 51.591881][ T4433] x8 : ffff0000dbac0000 x7 : ffff8000086ff234 x6 : 0000000000000000 [ 51.593077][ T4433] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086ff274 [ 51.594229][ T4433] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.595337][ T4433] Call trace: [ 51.595836][ T4433] __folio_start_writeback+0x868/0xa68 [ 51.596592][ T4433] set_page_writeback+0x5c/0x7c [ 51.597295][ T4433] gfs2_aspace_writepage+0x520/0x6e8 [ 51.598080][ T4433] __gfs2_writepage+0x70/0x18c [ 51.598784][ T4433] write_cache_pages+0x73c/0xdd4 [ 51.599512][ T4433] gfs2_ail1_flush+0x7c0/0xa00 [ 51.600184][ T4433] empty_ail1_list+0x110/0x1ec [ 51.600923][ T4433] gfs2_log_flush+0x1258/0x1aa0 [ 51.601615][ T4433] gfs2_kill_sb+0x5c/0xd4 [ 51.602268][ T4433] deactivate_locked_super+0xac/0x124 [ 51.603037][ T4433] deactivate_super+0xe8/0x108 [ 51.603739][ T4433] cleanup_mnt+0x37c/0x404 [ 51.604368][ T4433] __cleanup_mnt+0x20/0x30 [ 51.604982][ T4433] task_work_run+0x1ec/0x270 [ 51.605644][ T4433] get_signal+0x1120/0x1310 [ 51.606333][ T4433] do_notify_resume+0x34c/0x2b28 [ 51.607034][ T4433] el0_svc+0x98/0x138 [ 51.607569][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 51.608305][ T4433] el0t_64_sync+0x18c/0x190 [ 51.608946][ T4433] irq event stamp: 164382 [ 51.609622][ T4433] hardirqs last enabled at (164381): [] folio_memcg_lock+0xe8/0x1fc [ 51.610926][ T4433] hardirqs last disabled at (164382): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.612273][ T4433] softirqs last enabled at (164344): [] handle_softirqs+0xaf8/0xc6c [ 51.613676][ T4433] softirqs last disabled at (164325): [] __do_softirq+0x14/0x20 [ 51.615019][ T4433] ---[ end trace 0000000000000000 ]--- [ 51.617783][ C1] ------------[ cut here ]------------ [ 51.618660][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 51.620118][ C1] Modules linked in: [ 51.620679][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 51.621940][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.623355][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.624448][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 51.625226][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 51.626016][ C1] sp : ffff80001c8c7960 [ 51.626653][ C1] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 51.627791][ C1] x26: 0000000000000000 x25: 05ffd00000002052 x24: 1fffff800065a1a8 [ 51.628857][ C1] x23: 0000000000000001 x22: ffff0000d3173770 x21: ffff0000d3173778 [ 51.630075][ C1] x20: 0000000000000001 x19: fffffc00032d0d40 x18: ffff800011a5bd40 [ 51.631191][ C1] x17: 1fffe00033eebd7e x16: ffff8000082d2558 x15: 0000000000000000 [ 51.632294][ C1] x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 51.633471][ C1] x11: ff008000086fed40 x10: 0000000000000000 x9 : ffff8000086fed40 [ 51.634610][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.635817][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.636964][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.638084][ C1] Call trace: [ 51.638596][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 51.639371][ C1] folio_end_writeback+0x12c/0x41c [ 51.640200][ C1] end_page_writeback+0x58/0x74 [ 51.641016][ C1] end_buffer_async_write+0x32c/0x508 [ 51.641878][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 51.642672][ C1] bio_endio+0x770/0x7b4 [ 51.643272][ C1] blk_update_request+0x49c/0xbec [ 51.643982][ C1] blk_mq_end_request+0x54/0x88 [ 51.644631][ C1] lo_complete_rq+0x1ec/0x250 [ 51.645324][ C1] blk_done_softirq+0x11c/0x168 [ 51.646068][ C1] handle_softirqs+0x318/0xc6c [ 51.646763][ C1] run_ksoftirqd+0x7c/0x2b0 [ 51.647416][ C1] smpboot_thread_fn+0x4b0/0x964 [ 51.648142][ C1] kthread+0x250/0x2d8 [ 51.648710][ C1] ret_from_fork+0x10/0x20 [ 51.649335][ C1] irq event stamp: 378673 [ 51.649936][ C1] hardirqs last enabled at (378672): [] folio_memcg_lock+0xe8/0x1fc [ 51.651314][ C1] hardirqs last disabled at (378673): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.652770][ C1] softirqs last enabled at (378662): [] handle_softirqs+0xaf8/0xc6c [ 51.654169][ C1] softirqs last disabled at (378667): [] run_ksoftirqd+0x7c/0x2b0 [ 51.655518][ C1] ---[ end trace 0000000000000000 ]---