Warning: Permanently added '10.128.10.20' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://39383 [ 31.408943][ T4339] cgroup: Unknown subsys name 'net' [ 31.644073][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.944937][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.338311][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 35.360914][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.362824][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.364494][ T4371] device bridge_slave_0 entered promiscuous mode [ 35.367966][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.369264][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.370764][ T4371] device bridge_slave_1 entered promiscuous mode [ 35.378117][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.380771][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.387416][ T4371] team0: Port device team_slave_0 added [ 35.389153][ T4371] team0: Port device team_slave_1 added [ 35.395522][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.396750][ T4371] 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. [ 35.401050][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.405240][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.406323][ T4371] 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. [ 35.410487][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.462684][ T4371] device hsr_slave_0 entered promiscuous mode [ 35.511375][ T4371] device hsr_slave_1 entered promiscuous mode [ 35.584332][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.604136][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.642510][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.683561][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.759148][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.760473][ T4371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.761966][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.763118][ T4371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.779735][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.784036][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.786534][ T1607] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.788574][ T1607] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.794293][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.797284][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.799113][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.800331][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.806639][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.808176][ T1607] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.809413][ T1607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.815539][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.817258][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.820136][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.823602][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.826326][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.828899][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.879460][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.880799][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.885885][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.891816][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.898018][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.899851][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.901785][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.935285][ T4371] device veth0_vlan entered promiscuous mode [ 35.938693][ T4371] device veth1_vlan entered promiscuous mode [ 35.945939][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.947640][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.949285][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.962857][ T4371] device veth0_macvtap entered promiscuous mode [ 35.965644][ T4371] device veth1_macvtap entered promiscuous mode [ 35.970619][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.972490][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.974695][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.978007][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.979413][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.982976][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.984515][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.985949][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.987401][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.306814][ T1607] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.308237][ T1607] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.310387][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.320777][ T1607] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.322541][ T1607] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.323849][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.596935][ T4414] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.598481][ T4414] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.599928][ T4414] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.602729][ T4414] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.604174][ T4414] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.605443][ T4414] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:36 executed programs: 0 [ 36.906729][ T4414] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.908454][ T4414] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.909843][ T4414] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.912296][ T4414] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.913743][ T4414] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.915167][ T4414] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.958745][ T4428] chnl_net:caif_netlink_parms(): no params data found [ 36.975341][ T4428] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.976680][ T4428] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.978286][ T4428] device bridge_slave_0 entered promiscuous mode [ 36.980181][ T4428] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.982568][ T4428] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.984136][ T4428] device bridge_slave_1 entered promiscuous mode [ 36.993507][ T4428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.996055][ T4428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.002380][ T4428] team0: Port device team_slave_0 added [ 37.004257][ T4428] team0: Port device team_slave_1 added [ 37.012893][ T4428] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.014155][ T4428] 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. [ 37.018315][ T4428] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.020622][ T4428] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.022065][ T4428] 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. [ 37.026192][ T4428] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.082710][ T4428] device hsr_slave_0 entered promiscuous mode [ 37.121362][ T4428] device hsr_slave_1 entered promiscuous mode [ 37.161505][ T4428] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 37.162878][ T4428] Cannot create hsr debugfs directory [ 37.412286][ T4428] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.971629][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 40.422207][ T4428] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.051407][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 41.581916][ T4428] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.662578][ T4428] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.856674][ T4428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.926043][ T4428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.952052][ T4428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 42.073723][ T4428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 42.180219][ T4428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.183789][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.185503][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.187889][ T4428] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.190147][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.192618][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.194083][ T1607] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.195247][ T1607] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.196826][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.253812][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.255551][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.257318][ T1607] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.258414][ T1607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.261430][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.264229][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.266855][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.268647][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.270332][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.273449][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.275220][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.277769][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.279689][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.283480][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.285014][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.287290][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.386283][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.387689][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.390967][ T4428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.396989][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.398647][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.405188][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.407116][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.408651][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.410225][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.413513][ T4428] device veth0_vlan entered promiscuous mode [ 42.416565][ T4428] device veth1_vlan entered promiscuous mode [ 42.423541][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.425182][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.426541][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.428106][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.430839][ T4428] device veth0_macvtap entered promiscuous mode [ 42.765016][ T4428] device veth1_macvtap entered promiscuous mode [ 42.769265][ T4428] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 42.770965][ T4428] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 42.773856][ T4428] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.776811][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.778513][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.780125][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.781750][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.784660][ T4428] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 42.786407][ T4428] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 42.788458][ T4428] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.789682][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.791445][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.794207][ T4428] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.795635][ T4428] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.797139][ T4428] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.798544][ T4428] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.846575][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.849590][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.851620][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.856925][ T1607] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.858400][ T1607] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.859901][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 43.010396][ T4464] loop0: detected capacity change from 0 to 32768 [ 43.017840][ T4464] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 43.019399][ T4464] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 43.029757][ T4464] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 43.033302][ T4387] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 43.034465][ T4387] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.045477][ T4387] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 43.047535][ T4387] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.048665][ T4464] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.131450][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 43.160487][ T4428] ------------[ cut here ]------------ [ 43.161650][ T4428] WARNING: CPU: 1 PID: 4428 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 43.163488][ T4428] Modules linked in: [ 43.164182][ T4428] CPU: 1 PID: 4428 Comm: syz-executor Not tainted syzkaller #0 [ 43.165542][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 43.167364][ T4428] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.168744][ T4428] pc : __folio_mark_dirty+0x8b8/0xce0 [ 43.169684][ T4428] lr : __folio_mark_dirty+0x8b8/0xce0 [ 43.170662][ T4428] sp : ffff8000208b7620 [ 43.171490][ T4428] x29: ffff8000208b7630 x28: 1fffff8000671c28 x27: 0000000000000000 [ 43.172853][ T4428] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c550be98 [ 43.174301][ T4428] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018aa17d3 [ 43.175647][ T4428] x20: ffff0000d1146250 x19: fffffc000338e140 x18: 0000000000000000 [ 43.177042][ T4428] x17: 0000000000000000 x16: ffff8000082dba2c x15: 000000000004ffff [ 43.178430][ T4428] x14: 0000000000000001 x13: 1fffe00018aa17d3 x12: 0000000000000000 [ 43.179809][ T4428] x11: ff008000087148ac x10: 0000000000000000 x9 : ffff8000087148ac [ 43.181207][ T4428] x8 : ffff0000caeed400 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.182548][ T4428] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66314 [ 43.183963][ T4428] x2 : ffff0000cedac060 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.185292][ T4428] Call trace: [ 43.185849][ T4428] __folio_mark_dirty+0x8b8/0xce0 [ 43.186747][ T4428] mark_buffer_dirty+0x2b8/0x5c0 [ 43.187572][ T4428] gfs2_unpin+0x128/0x918 [ 43.188333][ T4428] buf_lo_after_commit+0x144/0x18c [ 43.189234][ T4428] __gfs2_log_flush+0x12e8/0x1bd4 [ 43.190121][ T4428] gfs2_log_flush+0x3c/0x58 [ 43.190875][ T4428] gfs2_kill_sb+0x5c/0xd8 [ 43.191609][ T4428] deactivate_locked_super+0xb4/0x128 [ 43.192536][ T4428] deactivate_super+0xe4/0x104 [ 43.193373][ T4428] cleanup_mnt+0x3a8/0x430 [ 43.194091][ T4428] __cleanup_mnt+0x20/0x30 [ 43.194829][ T4428] task_work_run+0x1f4/0x280 [ 43.195636][ T4428] get_signal+0x1140/0x133c [ 43.196443][ T4428] do_notify_resume+0x364/0x2c84 [ 43.197341][ T4428] el0_svc+0x98/0x128 [ 43.198049][ T4428] el0t_64_sync_handler+0x84/0xf0 [ 43.198919][ T4428] el0t_64_sync+0x18c/0x190 [ 43.199729][ T4428] irq event stamp: 158802 [ 43.200468][ T4428] hardirqs last enabled at (158801): [] folio_memcg_lock+0xe8/0x1f8 [ 43.202174][ T4428] hardirqs last disabled at (158802): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 43.203906][ T4428] softirqs last enabled at (158694): [] local_bh_enable+0x10/0x34 [ 43.205523][ T4428] softirqs last disabled at (158692): [] local_bh_disable+0x10/0x34 [ 43.207209][ T4428] ---[ end trace 0000000000000000 ]--- [ 43.221586][ T4428] ------------[ cut here ]------------ [ 43.222482][ T4428] WARNING: CPU: 0 PID: 4428 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 43.224231][ T4428] Modules linked in: [ 43.224909][ T4428] CPU: 0 PID: 4428 Comm: syz-executor Tainted: G W syzkaller #0 [ 43.226527][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 43.228365][ T4428] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.229801][ T4428] pc : __folio_start_writeback+0x8a8/0xa98 [ 43.230861][ T4428] lr : __folio_start_writeback+0x8a8/0xa98 [ 43.231910][ T4428] sp : ffff8000208b70a0 [ 43.232676][ T4428] x29: ffff8000208b7180 x28: ffff700004116e1c x27: 0000000000000000 [ 43.234149][ T4428] x26: ffff0000c550bcf0 x25: 1fffff8000671c29 x24: dfff800000000000 [ 43.235618][ T4428] x23: ffff0000d1146250 x22: ffff8000208b7100 x21: ffff0000c550be98 [ 43.237046][ T4428] x20: 0000000000000001 x19: fffffc000338e140 x18: 1fffe00033e7277e [ 43.238493][ T4428] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 43.239999][ T4428] x14: 0000000000000001 x13: 1fffff8000671c28 x12: 0000000000000000 [ 43.241528][ T4428] x11: ff00800008716dd0 x10: 0000000000000000 x9 : ffff800008716dd0 [ 43.243003][ T4428] x8 : ffff0000caeed400 x7 : ffff800008716820 x6 : 0000000000000000 [ 43.244485][ T4428] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000871685c [ 43.245998][ T4428] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.247538][ T4428] Call trace: [ 43.248165][ T4428] __folio_start_writeback+0x8a8/0xa98 [ 43.249155][ T4428] set_page_writeback+0x5c/0x7c [ 43.250075][ T4428] gfs2_aspace_writepage+0x524/0x6f4 [ 43.251093][ T4428] __gfs2_writepage+0x70/0x184 [ 43.251916][ T4428] write_cache_pages+0x760/0xe00 [ 43.252775][ T4428] gfs2_ail1_flush+0x7a8/0x9f0 [ 43.253634][ T4428] empty_ail1_list+0x130/0x214 [ 43.254500][ T4428] __gfs2_log_flush+0x15c8/0x1bd4 [ 43.255415][ T4428] gfs2_log_flush+0x3c/0x58 [ 43.256239][ T4428] gfs2_kill_sb+0x5c/0xd8 [ 43.257043][ T4428] deactivate_locked_super+0xb4/0x128 [ 43.257958][ T4428] deactivate_super+0xe4/0x104 [ 43.258761][ T4428] cleanup_mnt+0x3a8/0x430 [ 43.259539][ T4428] __cleanup_mnt+0x20/0x30 [ 43.260318][ T4428] task_work_run+0x1f4/0x280 [ 43.261117][ T4428] get_signal+0x1140/0x133c [ 43.261914][ T4428] do_notify_resume+0x364/0x2c84 [ 43.262777][ T4428] el0_svc+0x98/0x128 [ 43.263467][ T4428] el0t_64_sync_handler+0x84/0xf0 [ 43.264367][ T4428] el0t_64_sync+0x18c/0x190 [ 43.265158][ T4428] irq event stamp: 158868 [ 43.265931][ T4428] hardirqs last enabled at (158867): [] folio_memcg_lock+0xe8/0x1f8 [ 43.267567][ T4428] hardirqs last disabled at (158868): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 43.269281][ T4428] softirqs last enabled at (158840): [] handle_softirqs+0xb1c/0xc90 [ 43.270944][ T4428] softirqs last disabled at (158805): [] __do_softirq+0x14/0x20 [ 43.272619][ T4428] ---[ end trace 0000000000000000 ]--- [ 43.278381][ C1] ------------[ cut here ]------------ [ 43.279657][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 43.281381][ C1] Modules linked in: [ 43.282072][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 43.283529][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 43.285241][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.286561][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 43.287502][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 43.288461][ C1] sp : ffff80001cc07980 [ 43.289182][ C1] x29: ffff80001cc079a0 x28: 1fffff80006ac7e1 x27: 1fffff80006ac7e0 [ 43.290633][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c550bcf0 [ 43.292076][ C1] x23: ffff0000c550be98 x22: ffff0000d11442a0 x21: ffff0000d11442a8 [ 43.293469][ C1] x20: 0000000000000001 x19: fffffc0003563f00 x18: 1fffe00033e7697e [ 43.294878][ C1] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 43.296208][ C1] x14: 0000000000000003 x13: 1ffff00003980f22 x12: 0000000000000000 [ 43.297591][ C1] x11: ff0080000871632c x10: 0000000000000000 x9 : ffff80000871632c [ 43.299000][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.300314][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 43.301660][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.303046][ C1] Call trace: [ 43.303573][ C1] __folio_end_writeback+0x7d0/0x9cc [ 43.304464][ C1] folio_end_writeback+0x12c/0x410 [ 43.305333][ C1] end_page_writeback+0x58/0x74 [ 43.306134][ C1] end_buffer_async_write+0x330/0x4fc [ 43.307018][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 43.307864][ C1] bio_endio+0x750/0x794 [ 43.308593][ C1] blk_update_request+0x4ac/0xc58 [ 43.309453][ C1] blk_mq_end_request+0x54/0x8c [ 43.310304][ C1] lo_complete_rq+0x1e8/0x238 [ 43.311127][ C1] blk_done_softirq+0x11c/0x168 [ 43.311938][ C1] handle_softirqs+0x318/0xc90 [ 43.312803][ C1] run_ksoftirqd+0x7c/0x2ac [ 43.313552][ C1] smpboot_thread_fn+0x4e8/0x960 [ 43.314387][ C1] kthread+0x254/0x2e0 [ 43.315051][ C1] ret_from_fork+0x10/0x20 [ 43.315794][ C1] irq event stamp: 442557 [ 43.316561][ C1] hardirqs last enabled at (442556): [] folio_memcg_lock+0xe8/0x1f8 [ 43.318250][ C1] hardirqs last disabled at (442557): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 43.319912][ C1] softirqs last enabled at (442546): [] handle_softirqs+0xb1c/0xc90 [ 43.321459][ C1] softirqs last disabled at (442551): [] run_ksoftirqd+0x7c/0x2ac [ 43.322931][ C1] ---[ end trace 0000000000000000 ]---