Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts. 1970/01/01 00:00:34 parsed 1 programs [ 35.810022][ T4326] cgroup: Unknown subsys name 'net' [ 36.068195][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 36.340947][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.565237][ T4350] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.567002][ T4350] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.568384][ T4350] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.569913][ T4350] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.571301][ T4350] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.572537][ T4350] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.177454][ T4379] chnl_net:caif_netlink_parms(): no params data found [ 41.193891][ T4379] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.195148][ T4379] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.198379][ T4379] device bridge_slave_0 entered promiscuous mode [ 41.200608][ T4379] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.201682][ T4379] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.203151][ T4379] device bridge_slave_1 entered promiscuous mode [ 41.210605][ T4379] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.212924][ T4379] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.219857][ T4379] team0: Port device team_slave_0 added [ 41.221469][ T4379] team0: Port device team_slave_1 added [ 41.227599][ T4379] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.228722][ T4379] 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. [ 41.232703][ T4379] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.235193][ T4379] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.236801][ T4379] 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. [ 41.240803][ T4379] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.296918][ T4379] device hsr_slave_0 entered promiscuous mode [ 41.315799][ T4379] device hsr_slave_1 entered promiscuous mode [ 41.401969][ T4379] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.426837][ T4379] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.467644][ T4379] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.516766][ T4379] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.583533][ T4379] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.584791][ T4379] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.586185][ T4379] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.587402][ T4379] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.603905][ T4379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.617958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.620266][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.621882][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.627033][ T4379] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.629981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.631740][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.632923][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.635551][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.638297][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.639330][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.654342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.656226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.659254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.661907][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.664351][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.667279][ T4379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.719227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.720587][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.723975][ T4379] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.735565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.743070][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.744734][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.747044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.749280][ T4379] device veth0_vlan entered promiscuous mode [ 41.752387][ T4379] device veth1_vlan entered promiscuous mode [ 41.759275][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.761237][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.762717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.764966][ T4379] device veth0_macvtap entered promiscuous mode [ 41.780151][ T4379] device veth1_macvtap entered promiscuous mode [ 41.785428][ T4379] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.787518][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.789475][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.792171][ T4379] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.793460][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.796041][ T4379] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.797401][ T4379] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.798838][ T4379] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.800243][ T4379] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.904754][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.906143][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.907953][ T271] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.914726][ T271] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.916546][ T271] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.924239][ T245] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.797991][ T1575] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:43 executed programs: 0 [ 43.030514][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.031930][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.033197][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.035008][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.037121][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.038371][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.077620][ T4442] chnl_net:caif_netlink_parms(): no params data found [ 43.091580][ T4442] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.092714][ T4442] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.094125][ T4442] device bridge_slave_0 entered promiscuous mode [ 43.096319][ T4442] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.097487][ T4442] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.098945][ T4442] device bridge_slave_1 entered promiscuous mode [ 43.106379][ T4442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.108728][ T4442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.114691][ T4442] team0: Port device team_slave_0 added [ 43.117530][ T4442] team0: Port device team_slave_1 added [ 43.123796][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.124916][ T4442] 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. [ 43.129517][ T4442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.131929][ T4442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.133008][ T4442] 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. [ 43.137604][ T4442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.206712][ T4442] device hsr_slave_0 entered promiscuous mode [ 43.245902][ T4442] device hsr_slave_1 entered promiscuous mode [ 43.295703][ T4442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.296921][ T4442] Cannot create hsr debugfs directory [ 44.756830][ T1575] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.115777][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 47.196082][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 47.326949][ T1575] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.417598][ T1575] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.386372][ T4442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.537619][ T4442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.627316][ T4442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.676719][ T4442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.787062][ T4442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.790836][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.792344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.794742][ T4442] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.797818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.799355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.800765][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.801840][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.803308][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.848316][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.849899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.851420][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.852499][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.856812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.860413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.863467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.865063][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.866852][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.869530][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.871100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.873653][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.875100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.878234][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.879681][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.882125][ T4442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.942923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.944145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.947706][ T4442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.953218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.954802][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.991971][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.993504][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.995286][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.997095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.999288][ T4442] device veth0_vlan entered promiscuous mode [ 49.002293][ T4442] device veth1_vlan entered promiscuous mode [ 49.008421][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.009933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.011306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.012751][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.014805][ T4442] device veth0_macvtap entered promiscuous mode [ 49.017436][ T4442] device veth1_macvtap entered promiscuous mode [ 49.022446][ T4442] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 49.024046][ T4442] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.026676][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.028000][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.029643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.031054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.032499][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.034691][ T4442] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 49.037480][ T4442] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.039524][ T4442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.040691][ T271] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.042199][ T271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.044516][ T4442] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.045935][ T4442] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.047304][ T4442] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.048727][ T4442] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.067177][ T271] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.071273][ T271] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.073709][ T271] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.076870][ T271] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.078131][ T271] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.079829][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.231368][ T4522] loop0: detected capacity change from 0 to 32768 [ 49.239941][ T4522] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 49.241238][ T4522] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 49.252163][ T4522] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 49.254125][ T4399] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 49.255236][ T4399] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 49.266910][ T4399] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 49.268832][ T4399] gfs2: fsid=syz:syz.0: jid=0: Done [ 49.270022][ T4522] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.275988][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.400522][ T4442] ------------[ cut here ]------------ [ 49.401439][ T4442] WARNING: CPU: 1 PID: 4442 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 49.403067][ T4442] Modules linked in: [ 49.403703][ T4442] CPU: 1 PID: 4442 Comm: syz-executor Not tainted syzkaller #0 [ 49.404904][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.406447][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.407593][ T4442] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 49.408463][ T4442] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 49.409323][ T4442] sp : ffff8000214276e0 [ 49.409923][ T4442] x29: ffff800021427700 x28: 1fffff800068d6b0 x27: dfff800000000000 [ 49.411181][ T4442] x26: 0000000000000000 x25: ffff0000c51bbe90 x24: 0000000000000001 [ 49.412316][ T4442] x23: 0000000000000000 x22: fffffc000346b588 x21: 1fffe00018a377d2 [ 49.413514][ T4442] x20: ffff0000c3d9c7e8 x19: fffffc000346b580 x18: ffff800011b7bf60 [ 49.414749][ T4442] x17: ffff800018338000 x16: ffff8000082d7e60 x15: ffff800017e19000 [ 49.415972][ T4442] x14: 0000000000000001 x13: 1fffe00018a377d2 x12: 0000000000ff0100 [ 49.417205][ T4442] x11: ff00800008708680 x10: 0000000000000000 x9 : ffff800008708680 [ 49.418479][ T4442] x8 : ffff0000cc049bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.419667][ T4442] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a560e8 [ 49.420901][ T4442] x2 : ffff0000cf010060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.422087][ T4442] Call trace: [ 49.422603][ T4442] __folio_mark_dirty+0x8a0/0xcd8 [ 49.423317][ T4442] mark_buffer_dirty+0x2b8/0x5c0 [ 49.424064][ T4442] gfs2_unpin+0x120/0x8fc [ 49.424669][ T4442] buf_lo_after_commit+0x140/0x188 [ 49.425447][ T4442] gfs2_log_flush+0xbf0/0x1b10 [ 49.426170][ T4442] gfs2_kill_sb+0x5c/0xd4 [ 49.426843][ T4442] deactivate_locked_super+0xac/0x120 [ 49.427619][ T4442] deactivate_super+0xe4/0x104 [ 49.428333][ T4442] cleanup_mnt+0x390/0x418 [ 49.428992][ T4442] __cleanup_mnt+0x20/0x30 [ 49.429628][ T4442] task_work_run+0x1ec/0x278 [ 49.430322][ T4442] do_notify_resume+0x1fa0/0x2aa4 [ 49.431063][ T4442] el0_svc+0x98/0x128 [ 49.431632][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 49.432393][ T4442] el0t_64_sync+0x18c/0x190 [ 49.433055][ T4442] irq event stamp: 151896 [ 49.433711][ T4442] hardirqs last enabled at (151895): [] folio_memcg_lock+0xe8/0x1f4 [ 49.435151][ T4442] hardirqs last disabled at (151896): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.436649][ T4442] softirqs last enabled at (151790): [] local_bh_enable+0x10/0x34 [ 49.437992][ T4442] softirqs last disabled at (151788): [] local_bh_disable+0x10/0x34 [ 49.439425][ T4442] ---[ end trace 0000000000000000 ]--- [ 49.442622][ T4442] ------------[ cut here ]------------ [ 49.443509][ T4442] WARNING: CPU: 0 PID: 4442 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 49.445218][ T4442] Modules linked in: [ 49.445862][ T4442] CPU: 0 PID: 4442 Comm: syz-executor Tainted: G W syzkaller #0 [ 49.447336][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.448947][ T4442] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.450181][ T4442] pc : __folio_start_writeback+0x88c/0xa7c [ 49.451162][ T4442] lr : __folio_start_writeback+0x88c/0xa7c [ 49.452076][ T4442] sp : ffff800021427180 [ 49.452730][ T4442] x29: ffff800021427260 x28: dfff800000000000 x27: 0000000000000000 [ 49.453902][ T4442] x26: ffff700004284e38 x25: 0000000000000000 x24: ffff0000c3d9c7e8 [ 49.455151][ T4442] x23: ffff8000214271e0 x22: ffff0000c51bbce8 x21: 0000000000000001 [ 49.456427][ T4442] x20: fffffc000346b588 x19: fffffc000346b580 x18: ffff800011b7bf60 [ 49.457625][ T4442] x17: ffff800018338000 x16: ffff8000082d7e60 x15: 0000000000000000 [ 49.458828][ T4442] x14: 0000000000000001 x13: 1fffff800068d6b0 x12: 0000000000ff0100 [ 49.460018][ T4442] x11: ff0080000870ab8c x10: 0000000000000000 x9 : ffff80000870ab8c [ 49.461185][ T4442] x8 : ffff0000cc049bc0 x7 : ffff80000870a5f8 x6 : 0000000000000000 [ 49.462393][ T4442] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870a638 [ 49.463644][ T4442] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.464926][ T4442] Call trace: [ 49.465401][ T4442] __folio_start_writeback+0x88c/0xa7c [ 49.466252][ T4442] set_page_writeback+0x5c/0x7c [ 49.467023][ T4442] gfs2_aspace_writepage+0x514/0x6dc [ 49.467906][ T4442] __gfs2_writepage+0x70/0x184 [ 49.468660][ T4442] write_cache_pages+0x74c/0xde8 [ 49.469463][ T4442] gfs2_ail1_flush+0x7c4/0xa14 [ 49.470202][ T4442] empty_ail1_list+0x130/0x214 [ 49.470884][ T4442] gfs2_log_flush+0x12a4/0x1b10 [ 49.471651][ T4442] gfs2_kill_sb+0x5c/0xd4 [ 49.472325][ T4442] deactivate_locked_super+0xac/0x120 [ 49.473156][ T4442] deactivate_super+0xe4/0x104 [ 49.473874][ T4442] cleanup_mnt+0x390/0x418 [ 49.474579][ T4442] __cleanup_mnt+0x20/0x30 [ 49.475265][ T4442] task_work_run+0x1ec/0x278 [ 49.475940][ T4442] do_notify_resume+0x1fa0/0x2aa4 [ 49.476764][ T4442] el0_svc+0x98/0x128 [ 49.477374][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 49.478088][ T4442] el0t_64_sync+0x18c/0x190 [ 49.478736][ T4442] irq event stamp: 151958 [ 49.479412][ T4442] hardirqs last enabled at (151957): [] folio_memcg_lock+0xe8/0x1f4 [ 49.480925][ T4442] hardirqs last disabled at (151958): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.482435][ T4442] softirqs last enabled at (151932): [] handle_softirqs+0xaec/0xc60 [ 49.483913][ T4442] softirqs last disabled at (151899): [] __do_softirq+0x14/0x20 [ 49.485311][ T4442] ---[ end trace 0000000000000000 ]--- [ 49.523592][ C1] ------------[ cut here ]------------ [ 49.524548][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 49.526178][ C1] Modules linked in: [ 49.526835][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.528163][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.529852][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.531120][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 49.531988][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 49.532889][ C1] sp : ffff80001ca77970 [ 49.533520][ C1] x29: ffff80001ca77990 x28: dfff800000000000 x27: ffff0000c51bbce8 [ 49.534765][ C1] x26: 0000000000000000 x25: 05ffd20000002052 x24: 1fffff8000661250 [ 49.535952][ C1] x23: 0000000000000001 x22: ffff0000c3d9f770 x21: ffff0000c3d9f778 [ 49.537259][ C1] x20: 0000000000000001 x19: fffffc0003309280 x18: ffff800011b7bf60 [ 49.538413][ C1] x17: 1fffe00033eaed7e x16: ffff8000082d7e60 x15: 0000000000000000 [ 49.539713][ C1] x14: 0000000000000003 x13: 1ffff0000394ef20 x12: 0000000000ff0100 [ 49.540917][ C1] x11: ff0080000870a104 x10: 0000000000000000 x9 : ffff80000870a104 [ 49.542064][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.543257][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 49.544460][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.545722][ C1] Call trace: [ 49.546241][ C1] __folio_end_writeback+0x7d0/0x9cc [ 49.547081][ C1] folio_end_writeback+0x12c/0x410 [ 49.547906][ C1] end_page_writeback+0x58/0x74 [ 49.548723][ C1] end_buffer_async_write+0x32c/0x4f4 [ 49.549533][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 49.550271][ C1] bio_endio+0x750/0x794 [ 49.550945][ C1] blk_update_request+0x49c/0xbec [ 49.551721][ C1] blk_mq_end_request+0x54/0x88 [ 49.552558][ C1] lo_complete_rq+0x1ec/0x250 [ 49.553291][ C1] blk_done_softirq+0x11c/0x168 [ 49.554066][ C1] handle_softirqs+0x318/0xc60 [ 49.554836][ C1] run_ksoftirqd+0x7c/0x2ac [ 49.555529][ C1] smpboot_thread_fn+0x4b0/0x964 [ 49.556259][ C1] kthread+0x250/0x2d8 [ 49.556890][ C1] ret_from_fork+0x10/0x20 [ 49.557593][ C1] irq event stamp: 388671 [ 49.558234][ C1] hardirqs last enabled at (388670): [] folio_memcg_lock+0xe8/0x1f4 [ 49.559802][ C1] hardirqs last disabled at (388671): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.561329][ C1] softirqs last enabled at (388660): [] handle_softirqs+0xaec/0xc60 [ 49.562807][ C1] softirqs last disabled at (388665): [] run_ksoftirqd+0x7c/0x2ac [ 49.564176][ C1] ---[ end trace 0000000000000000 ]---