Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.619491][ T4326] cgroup: Unknown subsys name 'net' [ 31.873082][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.139320][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.023932][ T1783] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.025382][ T1783] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.027206][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.037971][ T1783] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.039311][ T1783] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.040860][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.378291][ T4356] chnl_net:caif_netlink_parms(): no params data found [ 35.395359][ T4356] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.396640][ T4356] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.398222][ T4356] device bridge_slave_0 entered promiscuous mode [ 35.400949][ T4356] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.402202][ T4356] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.403736][ T4356] device bridge_slave_1 entered promiscuous mode [ 35.411364][ T4356] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.413959][ T4356] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.420885][ T4356] team0: Port device team_slave_0 added [ 35.422909][ T4356] team0: Port device team_slave_1 added [ 35.428685][ T4356] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.429967][ T4356] 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. [ 35.434930][ T4356] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.438625][ T4356] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.439764][ T4356] 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. [ 35.444495][ T4356] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.491624][ T4356] device hsr_slave_0 entered promiscuous mode [ 35.530756][ T4356] device hsr_slave_1 entered promiscuous mode [ 35.616980][ T4356] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.653859][ T4356] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.691506][ T4356] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.723473][ T4356] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.810522][ T4356] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.811904][ T4356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.813479][ T4356] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.814694][ T4356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.834225][ T4356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.839200][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.842294][ T1783] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.844081][ T1783] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.853708][ T4356] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.856705][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.858330][ T1574] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.859517][ T1574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.864415][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.866218][ T1574] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.867397][ T1574] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.874245][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.876020][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.878979][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.882403][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.885580][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.888029][ T4356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.942331][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.943647][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.948092][ T4356] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.959934][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.971506][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.973835][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.975378][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.976987][ T4356] device veth0_vlan entered promiscuous mode [ 35.980921][ T4356] device veth1_vlan entered promiscuous mode [ 35.987148][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.988739][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.995496][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.998244][ T4356] device veth0_macvtap entered promiscuous mode [ 36.001428][ T4356] device veth1_macvtap entered promiscuous mode [ 36.007010][ T4356] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.008201][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.010271][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.013529][ T4356] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.014965][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.017589][ T4356] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.019122][ T4356] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.020809][ T4356] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.022318][ T4356] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.102199][ T4381] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.103902][ T4381] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.105265][ T4381] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.106795][ T4381] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.108283][ T4381] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.109592][ T4381] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:37 executed programs: 0 [ 37.550934][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.552666][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.554110][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.555605][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.556982][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.558291][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.796265][ T4419] chnl_net:caif_netlink_parms(): no params data found [ 37.811728][ T4419] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.812815][ T4419] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.814409][ T4419] device bridge_slave_0 entered promiscuous mode [ 37.816578][ T4419] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.817867][ T4419] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.819419][ T4419] device bridge_slave_1 entered promiscuous mode [ 37.826720][ T4419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.829418][ T4419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.836145][ T4419] team0: Port device team_slave_0 added [ 37.838170][ T4419] team0: Port device team_slave_1 added [ 38.116370][ T4419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.117680][ T4419] 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. [ 38.122131][ T4419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.127573][ T4419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.128819][ T4419] 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. [ 38.133243][ T4419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.171609][ T1574] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.211476][ T4419] device hsr_slave_0 entered promiscuous mode [ 38.250613][ T4419] device hsr_slave_1 entered promiscuous mode [ 38.290480][ T4419] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.291905][ T4419] Cannot create hsr debugfs directory [ 39.620708][ T4381] Bluetooth: hci0: command 0x0409 tx timeout [ 41.690458][ T4381] Bluetooth: hci0: command 0x041b tx timeout [ 42.032092][ T1574] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.111589][ T1574] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.192310][ T1574] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.202730][ T4419] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.292507][ T4419] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.402669][ T4419] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.461501][ T4419] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.574968][ T4419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.578623][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.580209][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.583006][ T4419] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.585424][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.587065][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.588677][ T193] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.589792][ T193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.594508][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.673497][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.675230][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.676859][ T193] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.678037][ T193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.682281][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.685340][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.688046][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.689906][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.691583][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.694098][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.696190][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.699227][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.701310][ T193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.705460][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.707018][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.709332][ T4419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.770474][ T4381] Bluetooth: hci0: command 0x040f tx timeout [ 43.809471][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.810963][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.814028][ T4419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.819195][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.821321][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.878985][ T4419] device veth0_vlan entered promiscuous mode [ 43.880607][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.882192][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.883793][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.885343][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.888963][ T4419] device veth1_vlan entered promiscuous mode [ 43.896312][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.897951][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.899454][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.901595][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.904081][ T4419] device veth0_macvtap entered promiscuous mode [ 43.906433][ T4419] device veth1_macvtap entered promiscuous mode [ 43.972395][ T4419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 43.974407][ T4419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.977107][ T4419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.979137][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.980903][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.982505][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.984049][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.986716][ T4419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 43.988181][ T4419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.990149][ T4419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.991569][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.993135][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.995787][ T4419] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.997100][ T4419] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.998476][ T4419] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.000018][ T4419] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.059162][ T1783] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.063057][ T1783] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.065042][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.071585][ T1783] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.072926][ T1783] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.074333][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.194082][ T1574] device hsr_slave_0 left promiscuous mode [ 44.220093][ T4524] loop0: detected capacity change from 0 to 32768 [ 44.227077][ T4524] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.228533][ T4524] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.239711][ T4524] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.241459][ T1574] device hsr_slave_1 left promiscuous mode [ 44.243584][ T4372] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.244722][ T4372] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.260089][ T4372] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms [ 44.262497][ T4372] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.263607][ T4524] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.301474][ T1574] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 44.302676][ T1574] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 44.304728][ T1574] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 44.306160][ T1574] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 44.307735][ T1574] device bridge_slave_1 left promiscuous mode [ 44.309120][ T1574] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.361689][ T1574] device bridge_slave_0 left promiscuous mode [ 44.362968][ T1574] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.383400][ T4419] ------------[ cut here ]------------ [ 44.384423][ T4419] WARNING: CPU: 1 PID: 4419 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 44.386218][ T4419] Modules linked in: [ 44.386840][ T4419] CPU: 1 PID: 4419 Comm: syz-executor Not tainted syzkaller #0 [ 44.388145][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 44.389801][ T4419] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.391101][ T4419] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 44.391987][ T4419] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 44.392868][ T4419] sp : ffff800020ef75e0 [ 44.393628][ T4419] x29: ffff800020ef7600 x28: 1fffff80006ad700 x27: dfff800000000000 [ 44.394998][ T4419] x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 [ 44.396273][ T4419] x23: 0000000000000000 x22: fffffc000356b808 x21: 1fffe00018092932 [ 44.397610][ T4419] x20: ffff0000c3626250 x19: fffffc000356b800 x18: ffff800011b9bf60 [ 44.399095][ T4419] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 44.400337][ T4419] x14: 0000000000000001 x13: 1fffe00018092932 x12: 0000000000ff0100 [ 44.401690][ T4419] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 44.403011][ T4419] x8 : ffff0000d73eb780 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.404336][ T4419] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 44.405610][ T4419] x2 : ffff0000cefae060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.406976][ T4419] Call trace: [ 44.407602][ T4419] __folio_mark_dirty+0x8a0/0xcd8 [ 44.408526][ T4419] mark_buffer_dirty+0x2b8/0x5c0 [ 44.409432][ T4419] gfs2_unpin+0x120/0x8fc [ 44.410146][ T4419] buf_lo_after_commit+0x140/0x188 [ 44.411042][ T4419] gfs2_log_flush+0xc00/0x1b20 [ 44.411830][ T4419] gfs2_kill_sb+0x5c/0xd4 [ 44.412576][ T4419] deactivate_locked_super+0xac/0x120 [ 44.413497][ T4419] deactivate_super+0xe4/0x104 [ 44.414175][ T4419] cleanup_mnt+0x390/0x418 [ 44.415143][ T4419] __cleanup_mnt+0x20/0x30 [ 44.415802][ T4419] task_work_run+0x1ec/0x278 [ 44.416572][ T4419] get_signal+0x111c/0x1304 [ 44.417302][ T4419] do_notify_resume+0x33c/0x2aa4 [ 44.418211][ T4419] el0_svc+0x98/0x128 [ 44.418895][ T4419] el0t_64_sync_handler+0x84/0xf0 [ 44.419709][ T4419] el0t_64_sync+0x18c/0x190 [ 44.420485][ T4419] irq event stamp: 155054 [ 44.421220][ T4419] hardirqs last enabled at (155053): [] folio_memcg_lock+0xe8/0x1f4 [ 44.422838][ T4419] hardirqs last disabled at (155054): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.424512][ T4419] softirqs last enabled at (154922): [] local_bh_enable+0x10/0x34 [ 44.426142][ T4419] softirqs last disabled at (154920): [] local_bh_disable+0x10/0x34 [ 44.427825][ T4419] ---[ end trace 0000000000000000 ]--- [ 44.438140][ T4419] ------------[ cut here ]------------ [ 44.439098][ T4419] WARNING: CPU: 1 PID: 4419 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 44.440836][ T4419] Modules linked in: [ 44.441516][ T4419] CPU: 1 PID: 4419 Comm: syz-executor Tainted: G W syzkaller #0 [ 44.443199][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 44.445084][ T4419] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.446325][ T4419] pc : __folio_start_writeback+0x88c/0xa7c [ 44.447275][ T4419] lr : __folio_start_writeback+0x88c/0xa7c [ 44.448283][ T4419] sp : ffff800020ef7080 [ 44.449004][ T4419] x29: ffff800020ef7160 x28: dfff800000000000 x27: 0000000000000000 [ 44.450361][ T4419] x26: ffff7000041dee18 x25: 0000000000000000 x24: ffff0000c3626250 [ 44.451832][ T4419] x23: ffff800020ef70e0 x22: ffff0000c04947e8 x21: 0000000000000001 [ 44.453168][ T4419] x20: fffffc000356b808 x19: fffffc000356b800 x18: ffff800011b9bf60 [ 44.454495][ T4419] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 44.455656][ T4419] x14: 0000000000000001 x13: 1fffff80006ad700 x12: 0000000000ff0100 [ 44.456984][ T4419] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 44.458449][ T4419] x8 : ffff0000d73eb780 x7 : ffff80000870c070 x6 : 0000000000000000 [ 44.459903][ T4419] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 44.461284][ T4419] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.462497][ T4419] Call trace: [ 44.463085][ T4419] __folio_start_writeback+0x88c/0xa7c [ 44.464029][ T4419] set_page_writeback+0x5c/0x7c [ 44.464915][ T4419] gfs2_aspace_writepage+0x514/0x6dc [ 44.465876][ T4419] __gfs2_writepage+0x70/0x184 [ 44.466649][ T4419] write_cache_pages+0x74c/0xde8 [ 44.467487][ T4419] gfs2_ail1_flush+0x7c4/0xa14 [ 44.468325][ T4419] empty_ail1_list+0x130/0x214 [ 44.469082][ T4419] gfs2_log_flush+0x12b4/0x1b20 [ 44.469986][ T4419] gfs2_kill_sb+0x5c/0xd4 [ 44.470678][ T4419] deactivate_locked_super+0xac/0x120 [ 44.471621][ T4419] deactivate_super+0xe4/0x104 [ 44.472533][ T4419] cleanup_mnt+0x390/0x418 [ 44.473335][ T4419] __cleanup_mnt+0x20/0x30 [ 44.474095][ T4419] task_work_run+0x1ec/0x278 [ 44.474893][ T4419] get_signal+0x111c/0x1304 [ 44.475646][ T4419] do_notify_resume+0x33c/0x2aa4 [ 44.476520][ T4419] el0_svc+0x98/0x128 [ 44.477294][ T4419] el0t_64_sync_handler+0x84/0xf0 [ 44.478205][ T4419] el0t_64_sync+0x18c/0x190 [ 44.479013][ T4419] irq event stamp: 155202 [ 44.479739][ T4419] hardirqs last enabled at (155201): [] folio_memcg_lock+0xe8/0x1f4 [ 44.481338][ T4419] hardirqs last disabled at (155202): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.483095][ T4419] softirqs last enabled at (155174): [] handle_softirqs+0xaec/0xc60 [ 44.484826][ T4419] softirqs last disabled at (155057): [] __do_softirq+0x14/0x20 [ 44.486467][ T4419] ---[ end trace 0000000000000000 ]--- [ 44.491614][ C0] ------------[ cut here ]------------ [ 44.492724][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 44.494355][ C0] Modules linked in: [ 44.495044][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 44.496339][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 44.497819][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.499133][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 44.500091][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 44.501150][ C0] sp : ffff80001ca27970 [ 44.501856][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c04947e8 [ 44.503175][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000676a98 [ 44.504637][ C0] x23: 0000000000000001 x22: ffff0000c36242a0 x21: ffff0000c36242a8 [ 44.506042][ C0] x20: 0000000000000001 x19: fffffc00033b54c0 x18: ffff800011b9bf60 [ 44.507350][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 44.508697][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 44.510103][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 44.511466][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.512897][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 44.514291][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.515708][ C0] Call trace: [ 44.516189][ C0] __folio_end_writeback+0x7d0/0x9cc [ 44.517053][ C0] folio_end_writeback+0x12c/0x410 [ 44.518000][ C0] end_page_writeback+0x58/0x74 [ 44.518914][ C0] end_buffer_async_write+0x32c/0x4f4 [ 44.519867][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 44.520758][ C0] bio_endio+0x750/0x794 [ 44.521509][ C0] blk_update_request+0x49c/0xbec [ 44.522398][ C0] blk_mq_end_request+0x54/0x88 [ 44.523242][ C0] lo_complete_rq+0x1ec/0x250 [ 44.524009][ C0] blk_done_softirq+0x11c/0x168 [ 44.524799][ C0] handle_softirqs+0x318/0xc60 [ 44.525610][ C0] run_ksoftirqd+0x7c/0x2ac [ 44.526480][ C0] smpboot_thread_fn+0x4b0/0x964 [ 44.527365][ C0] kthread+0x250/0x2d8 [ 44.528059][ C0] ret_from_fork+0x10/0x20 [ 44.528924][ C0] irq event stamp: 472841 [ 44.529687][ C0] hardirqs last enabled at (472840): [] folio_memcg_lock+0xe8/0x1f4 [ 44.531479][ C0] hardirqs last disabled at (472841): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.533273][ C0] softirqs last enabled at (472830): [] handle_softirqs+0xaec/0xc60 [ 44.534880][ C0] softirqs last disabled at (472835): [] run_ksoftirqd+0x7c/0x2ac [ 44.536520][ C0] ---[ end trace 0000000000000000 ]--- [ 44.590744][ T1574] device veth1_macvtap left promiscuous mode [ 44.591880][ T1574] device veth0_macvtap left promiscuous mode [ 44.592817][ T1574] device veth1_vlan left promiscuous mode [ 44.593789][ T1574] device veth0_vlan left promiscuous mode