Warning: Permanently added '10.128.0.175' (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://36941 [ 31.893708][ T4342] cgroup: Unknown subsys name 'net' [ 32.137043][ T4342] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.401409][ T4342] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.831899][ T4376] chnl_net:caif_netlink_parms(): no params data found [ 35.848420][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.849738][ T4376] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.851409][ T4376] device bridge_slave_0 entered promiscuous mode [ 35.853915][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.855428][ T4376] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.857079][ T4376] device bridge_slave_1 entered promiscuous mode [ 35.864290][ T4376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.867369][ T4376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.873620][ T4376] team0: Port device team_slave_0 added [ 35.876218][ T4376] team0: Port device team_slave_1 added [ 35.883191][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.884580][ 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. [ 35.888805][ T4376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.891437][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.892594][ 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. [ 35.897441][ T4376] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.965584][ T4376] device hsr_slave_0 entered promiscuous mode [ 36.014739][ T4376] device hsr_slave_1 entered promiscuous mode [ 36.141219][ T4376] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.155591][ T4376] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.186066][ T4376] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.246911][ T4376] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.280985][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.282347][ T4376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.283887][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.285347][ T4376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.302802][ T4376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.307960][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.310489][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.312285][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.316738][ T4376] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.319966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.321544][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.322866][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.327103][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.328666][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.329918][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.336143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.337933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.340856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.343716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.348516][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.351097][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.401281][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.402810][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.408085][ T4376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.413417][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.415905][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.422054][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.423955][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.426977][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.428508][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.431494][ T4376] device veth0_vlan entered promiscuous mode [ 36.435072][ T4376] device veth1_vlan entered promiscuous mode [ 36.441093][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.442696][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.444249][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 36.446423][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.449237][ T4376] device veth0_macvtap entered promiscuous mode [ 36.451664][ T4376] device veth1_macvtap entered promiscuous mode [ 36.458539][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.459959][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.461485][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 36.463047][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 36.465435][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.468354][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.469694][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 36.471318][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.473906][ T4376] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.475923][ T4376] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.477505][ T4376] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.479149][ T4376] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.725417][ T4413] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.727142][ T4413] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.728548][ T4413] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.730264][ T4413] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.731931][ T4413] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.733336][ T4413] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.859933][ T1596] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.861458][ T1596] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.863533][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.877319][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.878817][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.880357][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.646573][ T1747] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:37 executed programs: 0 [ 37.902490][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.904137][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.906417][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.908033][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.909508][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.910891][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.955836][ T4441] chnl_net:caif_netlink_parms(): no params data found [ 37.971002][ T4441] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.972341][ T4441] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.973962][ T4441] device bridge_slave_0 entered promiscuous mode [ 37.977637][ T4441] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.978954][ T4441] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.980535][ T4441] device bridge_slave_1 entered promiscuous mode [ 37.987384][ T4441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.989832][ T4441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.996695][ T4441] team0: Port device team_slave_0 added [ 37.998414][ T4441] team0: Port device team_slave_1 added [ 38.004114][ T4441] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.005506][ T4441] 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. [ 38.010037][ T4441] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.012649][ T4441] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.014124][ T4441] 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. [ 38.019226][ T4441] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.085419][ T4441] device hsr_slave_0 entered promiscuous mode [ 38.124802][ T4441] device hsr_slave_1 entered promiscuous mode [ 38.164523][ T4441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.166036][ T4441] Cannot create hsr debugfs directory [ 39.925207][ T1747] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.994775][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 42.074754][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 42.265737][ T1747] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.356524][ T1747] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.383650][ T4441] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.415667][ T4441] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.497010][ T4441] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.626373][ T4441] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.745745][ T4441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.749903][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.751635][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.754213][ T4441] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.788661][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.790572][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.792273][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.793536][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.796544][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.799254][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.801094][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.802706][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.804017][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.806963][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.809723][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.813036][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.815804][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.817673][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.860564][ T4441] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.862426][ T4441] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.865699][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.867634][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.869554][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.871158][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.872936][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.874698][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.876240][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.927132][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.928628][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.931646][ T4441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.937434][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.939244][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.944914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.946658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.948207][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.949649][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.951860][ T4441] device veth0_vlan entered promiscuous mode [ 44.154512][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 44.248447][ T4441] device veth1_vlan entered promiscuous mode [ 44.255205][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.256892][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.258396][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.260078][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.263152][ T4441] device veth0_macvtap entered promiscuous mode [ 44.266046][ T4441] device veth1_macvtap entered promiscuous mode [ 44.271396][ T4441] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.273163][ T4441] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.276071][ T4441] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.277340][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.279238][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.280896][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.282613][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.285722][ T4441] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.287652][ T4441] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.289881][ T4441] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.291263][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.293003][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.357213][ T4441] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.358782][ T4441] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.360236][ T4441] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.361732][ T4441] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.382455][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.383827][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.385943][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.391441][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.392770][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.394144][ T1596] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.543486][ T4534] loop0: detected capacity change from 0 to 32768 [ 44.549558][ T4534] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.551044][ T4534] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.556694][ T4534] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 44.559064][ T4466] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.560315][ T4466] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.572542][ T4466] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 44.574205][ T4466] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.575473][ T4534] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.623841][ T4534] gfs2: fsid=syz:syz.0: found 1 quota changes [ 44.638559][ T4441] ------------[ cut here ]------------ [ 44.639686][ T4441] WARNING: CPU: 0 PID: 4441 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 44.641563][ T4441] Modules linked in: [ 44.642307][ T4441] CPU: 0 PID: 4441 Comm: syz-executor Not tainted syzkaller #0 [ 44.643748][ T4441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.645606][ T4441] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.647072][ T4441] pc : __folio_mark_dirty+0x8b8/0xce0 [ 44.648069][ T4441] lr : __folio_mark_dirty+0x8b8/0xce0 [ 44.649077][ T4441] sp : ffff8000208f7400 [ 44.649862][ T4441] x29: ffff8000208f7410 x28: 1fffff8000698520 x27: 0000000000000000 [ 44.651416][ T4441] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c523be98 [ 44.653106][ T4441] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018a477d3 [ 44.654848][ T4441] x20: ffff0000f0296250 x19: fffffc00034c2900 x18: 1fffe00033e6997e [ 44.656416][ T4441] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 000000000004ffff [ 44.657971][ T4441] x14: 0000000000000001 x13: 1fffe00018a477d3 x12: 0000000000000000 [ 44.659467][ T4441] x11: ff00800008716620 x10: 0000000000000000 x9 : ffff800008716620 [ 44.660980][ T4441] x8 : ffff0000caeeb800 x7 : ffff800008715dac x6 : 0000000000000000 [ 44.662532][ T4441] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a68bf4 [ 44.664056][ T4441] x2 : ffff0000cf0de060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.665598][ T4441] Call trace: [ 44.666258][ T4441] __folio_mark_dirty+0x8b8/0xce0 [ 44.667270][ T4441] mark_buffer_dirty+0x2b8/0x5c0 [ 44.668253][ T4441] gfs2_unpin+0x128/0x918 [ 44.669150][ T4441] buf_lo_after_commit+0x144/0x18c [ 44.670145][ T4441] __gfs2_log_flush+0x12e8/0x1bd4 [ 44.671104][ T4441] gfs2_log_flush+0x3c/0x58 [ 44.672002][ T4441] do_sync+0x844/0xa68 [ 44.672811][ T4441] gfs2_quota_sync+0x2cc/0x4e8 [ 44.673702][ T4441] gfs2_sync_fs+0x50/0xc8 [ 44.674524][ T4441] sync_filesystem+0xe8/0x218 [ 44.675423][ T4441] generic_shutdown_super+0x74/0x32c [ 44.676427][ T4441] kill_block_super+0x78/0xe0 [ 44.677342][ T4441] gfs2_kill_sb+0xc4/0xd8 [ 44.678183][ T4441] deactivate_locked_super+0xb4/0x128 [ 44.679206][ T4441] deactivate_super+0xe4/0x104 [ 44.680070][ T4441] cleanup_mnt+0x3a8/0x430 [ 44.680891][ T4441] __cleanup_mnt+0x20/0x30 [ 44.681720][ T4441] task_work_run+0x1f4/0x280 [ 44.682575][ T4441] do_notify_resume+0x20f8/0x2c84 [ 44.683544][ T4441] el0_svc+0x98/0x128 [ 44.684297][ T4441] el0t_64_sync_handler+0x84/0xf0 [ 44.685219][ T4441] el0t_64_sync+0x18c/0x190 [ 44.686046][ T4441] irq event stamp: 156728 [ 44.686851][ T4441] hardirqs last enabled at (156727): [] folio_memcg_lock+0xe8/0x1f8 [ 44.688634][ T4441] hardirqs last disabled at (156728): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.690504][ T4441] softirqs last enabled at (156640): [] handle_softirqs+0xb1c/0xc90 [ 44.692291][ T4441] softirqs last disabled at (156531): [] __do_softirq+0x14/0x20 [ 44.694001][ T4441] ---[ end trace 0000000000000000 ]--- [ 44.716169][ T56] ------------[ cut here ]------------ [ 44.717233][ T56] WARNING: CPU: 1 PID: 56 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 44.719059][ T56] Modules linked in: [ 44.719703][ T56] CPU: 1 PID: 56 Comm: kworker/u4:3 Tainted: G W syzkaller #0 [ 44.721193][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.722857][ T56] Workqueue: writeback wb_workfn (flush-7:0) [ 44.723836][ T56] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.725230][ T56] pc : __folio_start_writeback+0x8a8/0xa98 [ 44.726285][ T56] lr : __folio_start_writeback+0x8a8/0xa98 [ 44.727356][ T56] sp : ffff80001ea16d20 [ 44.728108][ T56] x29: ffff80001ea16e00 x28: ffff700003d42dac x27: 0000000000000000 [ 44.729562][ T56] x26: ffff0000c523bcf0 x25: 1fffff80006d3bf1 x24: dfff800000000000 [ 44.731056][ T56] x23: ffff0000f0296ce0 x22: ffff80001ea16d80 x21: ffff0000c523be98 [ 44.732511][ T56] x20: 0000000000000001 x19: fffffc000369df80 x18: 1fffe00033e6db7e [ 44.733980][ T56] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 000000000004ffff [ 44.735479][ T56] x14: 0000000000000001 x13: 1fffff80006d3bf0 x12: 0000000000000000 [ 44.736902][ T56] x11: ff00800008718b44 x10: 0000000000000000 x9 : ffff800008718b44 [ 44.738352][ T56] x8 : ffff0000c617d400 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.739824][ T56] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087185d0 [ 44.741323][ T56] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.742833][ T56] Call trace: [ 44.743439][ T56] __folio_start_writeback+0x8a8/0xa98 [ 44.744414][ T56] set_page_writeback+0x5c/0x7c [ 44.745296][ T56] gfs2_aspace_writepage+0x524/0x6f4 [ 44.746274][ T56] __writepage+0x70/0x184 [ 44.747047][ T56] write_cache_pages+0x760/0xe00 [ 44.747962][ T56] do_writepages+0x32c/0x50c [ 44.748805][ T56] filemap_fdatawrite_wbc+0x124/0x174 [ 44.749759][ T56] filemap_fdatawrite+0xd0/0x12c [ 44.750675][ T56] gfs2_write_inode+0x234/0x33c [ 44.751545][ T56] __writeback_single_inode+0x5e0/0x157c [ 44.752589][ T56] writeback_sb_inodes+0x870/0x1470 [ 44.753549][ T56] wb_writeback+0x40c/0xfdc [ 44.754364][ T56] wb_workfn+0x360/0xe18 [ 44.755173][ T56] process_one_work+0x7e4/0x13bc [ 44.756087][ T56] worker_thread+0x8cc/0xfe8 [ 44.756965][ T56] kthread+0x254/0x2e0 [ 44.757692][ T56] ret_from_fork+0x10/0x20 [ 44.758532][ T56] irq event stamp: 21394 [ 44.759318][ T56] hardirqs last enabled at (21393): [] folio_memcg_lock+0xe8/0x1f8 [ 44.761081][ T56] hardirqs last disabled at (21394): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.762936][ T56] softirqs last enabled at (21332): [] batadv_nc_purge_paths+0x2f8/0x374 [ 44.764871][ T56] softirqs last disabled at (21330): [] batadv_nc_purge_paths+0xd8/0x374 [ 44.766674][ T56] ---[ end trace 0000000000000000 ]--- [ 44.770050][ C0] ------------[ cut here ]------------ [ 44.770981][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 44.772673][ C0] Modules linked in: [ 44.773331][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 44.774827][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.776695][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.778150][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 44.779215][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 44.780263][ C0] sp : ffff80001cbd7980 [ 44.781059][ C0] x29: ffff80001cbd79a0 x28: 1fffff80006d3bf1 x27: 1fffff80006d3bf0 [ 44.782510][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c523bcf0 [ 44.784070][ C0] x23: ffff0000c523be98 x22: ffff0000f0296ce0 x21: ffff0000f0296ce8 [ 44.785598][ C0] x20: 0000000000000001 x19: fffffc000369df80 x18: 1fffe00033e6997e [ 44.787110][ C0] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 000000000004ffff [ 44.788659][ C0] x14: 0000000000000003 x13: 1ffff0000397af22 x12: 0000000000000000 [ 44.790184][ C0] x11: ff008000087180a0 x10: 0000000000000000 x9 : ffff8000087180a0 [ 44.791711][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.793240][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 44.794790][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.796348][ C0] Call trace: [ 44.796971][ C0] __folio_end_writeback+0x7d0/0x9cc [ 44.798022][ C0] folio_end_writeback+0x12c/0x410 [ 44.799044][ C0] end_page_writeback+0x58/0x74 [ 44.799988][ C0] end_buffer_async_write+0x330/0x4fc [ 44.801031][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 44.801985][ C0] bio_endio+0x750/0x794 [ 44.802837][ C0] blk_update_request+0x4ac/0xc58 [ 44.803824][ C0] blk_mq_end_request+0x54/0x8c [ 44.804750][ C0] lo_complete_rq+0x1e8/0x238 [ 44.805645][ C0] blk_done_softirq+0x11c/0x168 [ 44.806573][ C0] handle_softirqs+0x318/0xc90 [ 44.807516][ C0] run_ksoftirqd+0x7c/0x2ac [ 44.808378][ C0] smpboot_thread_fn+0x4e8/0x960 [ 44.809338][ C0] kthread+0x254/0x2e0 [ 44.810130][ C0] ret_from_fork+0x10/0x20 [ 44.810961][ C0] irq event stamp: 412825 [ 44.811777][ C0] hardirqs last enabled at (412824): [] folio_memcg_lock+0xe8/0x1f8 [ 44.813710][ C0] hardirqs last disabled at (412825): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.815658][ C0] softirqs last enabled at (412798): [] handle_softirqs+0xb1c/0xc90 [ 44.817498][ C0] softirqs last disabled at (412805): [] run_ksoftirqd+0x7c/0x2ac [ 44.819279][ C0] ---[ end trace 0000000000000000 ]---