Warning: Permanently added '10.128.1.31' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://41865 [ 32.229927][ T4339] cgroup: Unknown subsys name 'net' [ 32.484361][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.776730][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.134253][ T4351] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.135941][ T4351] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.137283][ T4351] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.138850][ T4351] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.140379][ T4351] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 35.141682][ T4351] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.143479][ T4402] chnl_net:caif_netlink_parms(): no params data found [ 36.160159][ T4402] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.161467][ T4402] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.164265][ T4402] device bridge_slave_0 entered promiscuous mode [ 36.166905][ T4402] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.168207][ T4402] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.169851][ T4402] device bridge_slave_1 entered promiscuous mode [ 36.178585][ T4402] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.181190][ T4402] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.188152][ T4402] team0: Port device team_slave_0 added [ 36.190253][ T4402] team0: Port device team_slave_1 added [ 36.195324][ T4402] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.196549][ T4402] 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. [ 36.200710][ T4402] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.203748][ T4402] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.204931][ T4402] 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. [ 36.209235][ T4402] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.243494][ T4402] device hsr_slave_0 entered promiscuous mode [ 36.291974][ T4402] device hsr_slave_1 entered promiscuous mode [ 36.394992][ T4402] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.453111][ T4402] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.511496][ T4402] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.553937][ T4402] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.607771][ T4402] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.609071][ T4402] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.610590][ T4402] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.611960][ T4402] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.629799][ T4402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.635368][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.638204][ T1615] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.639965][ T1615] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.642041][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.646567][ T4402] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.659453][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.661275][ T1615] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.662645][ T1615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.665415][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.666992][ T1615] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.668195][ T1615] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.674599][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.676289][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.679107][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.682447][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.685176][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.687745][ T4402] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.740131][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.741493][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.757308][ T4402] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.763613][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.769637][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.771495][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.773773][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.776327][ T4402] device veth0_vlan entered promiscuous mode [ 36.779520][ T4402] device veth1_vlan entered promiscuous mode [ 36.786519][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.788166][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.789763][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.793148][ T4402] device veth0_macvtap entered promiscuous mode [ 36.795440][ T4402] device veth1_macvtap entered promiscuous mode [ 36.800469][ T4402] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.802455][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.804630][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.807636][ T4402] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.809047][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.811718][ T4402] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.813695][ T4402] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.815140][ T4402] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.816568][ T4402] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.356185][ T1615] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.357665][ T1615] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.359584][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.369429][ T1615] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.370757][ T1615] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.373503][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:37 executed programs: 0 [ 37.580847][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.583189][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.584773][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.586366][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.587875][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.589227][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.784032][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.822132][ T4439] chnl_net:caif_netlink_parms(): no params data found [ 37.837721][ T4439] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.839046][ T4439] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.840638][ T4439] device bridge_slave_0 entered promiscuous mode [ 37.842978][ T4439] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.844251][ T4439] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.845903][ T4439] device bridge_slave_1 entered promiscuous mode [ 37.852303][ T4439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.854824][ T4439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.862976][ T4439] team0: Port device team_slave_0 added [ 37.866406][ T4439] team0: Port device team_slave_1 added [ 37.871423][ T4439] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.872800][ T4439] 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. [ 37.877195][ T4439] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.879669][ T4439] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.880931][ T4439] 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. [ 37.886161][ T4439] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.942948][ T4439] device hsr_slave_0 entered promiscuous mode [ 37.992019][ T4439] device hsr_slave_1 entered promiscuous mode [ 38.031835][ T4439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.033222][ T4439] Cannot create hsr debugfs directory [ 39.612325][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 40.082862][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.691766][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 42.423293][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.513830][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.564635][ T4439] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.612912][ T4439] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.694650][ T4439] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.742950][ T4439] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.771777][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 43.863210][ T4439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.866841][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.868496][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.871206][ T4439] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.926854][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.928665][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.930383][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.931814][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.933471][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.936392][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.937976][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.939584][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.940789][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.944087][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.946742][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.949513][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.951342][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.953994][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.065580][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.067493][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.070187][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.073052][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.076072][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.077809][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.080261][ T4439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.168205][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.169547][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.173089][ T4439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.178786][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.180578][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.186595][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.188347][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.190467][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.193306][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.195387][ T4439] device veth0_vlan entered promiscuous mode [ 44.198577][ T4439] device veth1_vlan entered promiscuous mode [ 44.258948][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.260702][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.263498][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.265167][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.267674][ T4439] device veth0_macvtap entered promiscuous mode [ 44.270098][ T4439] device veth1_macvtap entered promiscuous mode [ 44.274550][ T4439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.276426][ T4439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.278512][ T4439] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.279900][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.281549][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.283691][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.285324][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.287894][ T4439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.289729][ T4439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.292190][ T4439] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.293438][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.295581][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.335130][ T4439] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.336563][ T4439] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.338130][ T4439] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.339728][ T4439] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.359477][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.363423][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.365350][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.370767][ T53] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.372696][ T53] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.374205][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.525412][ T4489] loop0: detected capacity change from 0 to 32768 [ 44.534374][ T4489] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.535834][ T4489] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.545340][ T4489] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.548075][ T4419] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.549246][ T4419] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.566621][ T4419] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 17ms [ 44.568276][ T4419] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.569476][ T4489] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.692104][ T4439] ------------[ cut here ]------------ [ 44.693310][ T4439] WARNING: CPU: 0 PID: 4439 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 44.695061][ T4439] Modules linked in: [ 44.695715][ T4439] CPU: 0 PID: 4439 Comm: syz-executor Not tainted syzkaller #0 [ 44.697025][ T4439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 44.698682][ T4439] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.700022][ T4439] pc : __folio_mark_dirty+0x8b8/0xce0 [ 44.700875][ T4439] lr : __folio_mark_dirty+0x8b8/0xce0 [ 44.701739][ T4439] sp : ffff800020f07620 [ 44.702583][ T4439] x29: ffff800020f07630 x28: 1fffff800069b640 x27: 0000000000000000 [ 44.704064][ T4439] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c5363e98 [ 44.705505][ T4439] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018a6c7d3 [ 44.706890][ T4439] x20: ffff0000f0286250 x19: fffffc00034db200 x18: 1fffe00033e7277e [ 44.708378][ T4439] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 44.709863][ T4439] x14: 0000000000000001 x13: 1fffe00018a6c7d3 x12: 0000000000000000 [ 44.711269][ T4439] x11: ff00800008715320 x10: 0000000000000000 x9 : ffff800008715320 [ 44.712671][ T4439] x8 : ffff0000c42f5400 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.714162][ T4439] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66f8c [ 44.715647][ T4439] x2 : ffff0000cec4a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.717150][ T4439] Call trace: [ 44.717756][ T4439] __folio_mark_dirty+0x8b8/0xce0 [ 44.718681][ T4439] mark_buffer_dirty+0x2b8/0x5c0 [ 44.719632][ T4439] gfs2_unpin+0x128/0x918 [ 44.720398][ T4439] buf_lo_after_commit+0x144/0x18c [ 44.721302][ T4439] __gfs2_log_flush+0x12e8/0x1bd4 [ 44.722175][ T4439] gfs2_log_flush+0x3c/0x58 [ 44.722942][ T4439] gfs2_kill_sb+0x5c/0xd8 [ 44.723716][ T4439] deactivate_locked_super+0xb4/0x128 [ 44.724640][ T4439] deactivate_super+0xe4/0x104 [ 44.725472][ T4439] cleanup_mnt+0x3a8/0x430 [ 44.726285][ T4439] __cleanup_mnt+0x20/0x30 [ 44.727076][ T4439] task_work_run+0x1f4/0x280 [ 44.727855][ T4439] get_signal+0x1140/0x133c [ 44.728652][ T4439] do_notify_resume+0x364/0x2c84 [ 44.729542][ T4439] el0_svc+0x98/0x128 [ 44.730265][ T4439] el0t_64_sync_handler+0x84/0xf0 [ 44.731159][ T4439] el0t_64_sync+0x18c/0x190 [ 44.731971][ T4439] irq event stamp: 149032 [ 44.732721][ T4439] hardirqs last enabled at (149031): [] folio_memcg_lock+0xe8/0x1f8 [ 44.734311][ T4439] hardirqs last disabled at (149032): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.736078][ T4439] softirqs last enabled at (148880): [] local_bh_enable+0x10/0x34 [ 44.737683][ T4439] softirqs last disabled at (148878): [] local_bh_disable+0x10/0x34 [ 44.739308][ T4439] ---[ end trace 0000000000000000 ]--- [ 44.744602][ T4439] ------------[ cut here ]------------ [ 44.745586][ T4439] WARNING: CPU: 0 PID: 4439 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 44.747334][ T4439] Modules linked in: [ 44.747962][ T4439] CPU: 0 PID: 4439 Comm: syz-executor Tainted: G W syzkaller #0 [ 44.749385][ T4439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 44.750980][ T4439] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.752283][ T4439] pc : __folio_start_writeback+0x8a8/0xa98 [ 44.753323][ T4439] lr : __folio_start_writeback+0x8a8/0xa98 [ 44.754373][ T4439] sp : ffff800020f070a0 [ 44.755149][ T4439] x29: ffff800020f07180 x28: ffff7000041e0e1c x27: 0000000000000000 [ 44.756655][ T4439] x26: ffff0000c5363cf0 x25: 1fffff800069b641 x24: dfff800000000000 [ 44.758085][ T4439] x23: ffff0000f0286250 x22: ffff800020f07100 x21: ffff0000c5363e98 [ 44.759522][ T4439] x20: 0000000000000001 x19: fffffc00034db200 x18: 1fffe00033e7277e [ 44.760983][ T4439] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 44.762479][ T4439] x14: 0000000000000001 x13: 1fffff800069b640 x12: 0000000000000000 [ 44.763980][ T4439] x11: ff00800008717844 x10: 0000000000000000 x9 : ffff800008717844 [ 44.765512][ T4439] x8 : ffff0000c42f5400 x7 : ffff800008717294 x6 : 0000000000000000 [ 44.766910][ T4439] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087172d0 [ 44.768307][ T4439] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.769778][ T4439] Call trace: [ 44.770370][ T4439] __folio_start_writeback+0x8a8/0xa98 [ 44.771339][ T4439] set_page_writeback+0x5c/0x7c [ 44.772177][ T4439] gfs2_aspace_writepage+0x524/0x6f4 [ 44.773149][ T4439] __gfs2_writepage+0x70/0x184 [ 44.774000][ T4439] write_cache_pages+0x760/0xe00 [ 44.774943][ T4439] gfs2_ail1_flush+0x7a8/0x9f0 [ 44.775841][ T4439] empty_ail1_list+0x130/0x214 [ 44.776730][ T4439] __gfs2_log_flush+0x15c8/0x1bd4 [ 44.777633][ T4439] gfs2_log_flush+0x3c/0x58 [ 44.778433][ T4439] gfs2_kill_sb+0x5c/0xd8 [ 44.779210][ T4439] deactivate_locked_super+0xb4/0x128 [ 44.780177][ T4439] deactivate_super+0xe4/0x104 [ 44.780991][ T4439] cleanup_mnt+0x3a8/0x430 [ 44.781769][ T4439] __cleanup_mnt+0x20/0x30 [ 44.782544][ T4439] task_work_run+0x1f4/0x280 [ 44.783358][ T4439] get_signal+0x1140/0x133c [ 44.784161][ T4439] do_notify_resume+0x364/0x2c84 [ 44.784999][ T4439] el0_svc+0x98/0x128 [ 44.785699][ T4439] el0t_64_sync_handler+0x84/0xf0 [ 44.786585][ T4439] el0t_64_sync+0x18c/0x190 [ 44.787367][ T4439] irq event stamp: 149330 [ 44.788113][ T4439] hardirqs last enabled at (149329): [] folio_memcg_lock+0xe8/0x1f8 [ 44.789817][ T4439] hardirqs last disabled at (149330): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.791514][ T4439] softirqs last enabled at (149304): [] handle_softirqs+0xb1c/0xc90 [ 44.793139][ T4439] softirqs last disabled at (149035): [] __do_softirq+0x14/0x20 [ 44.794746][ T4439] ---[ end trace 0000000000000000 ]--- [ 44.797355][ C0] ------------[ cut here ]------------ [ 44.798437][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 44.800236][ C0] Modules linked in: [ 44.800939][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 44.802511][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 44.804318][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.805754][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 44.806718][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 44.807774][ C0] sp : ffff80001cb97980 [ 44.808494][ C0] x29: ffff80001cb979a0 x28: 1fffff800068a9b1 x27: 1fffff800068a9b0 [ 44.809924][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c5363cf0 [ 44.811287][ C0] x23: ffff0000c5363e98 x22: ffff0000f02842a0 x21: ffff0000f02842a8 [ 44.812707][ C0] x20: 0000000000000001 x19: fffffc0003454d80 x18: 1fffe00033e7277e [ 44.814103][ C0] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 44.815489][ C0] x14: 0000000000000003 x13: 1ffff00003972f22 x12: 0000000000000000 [ 44.816916][ C0] x11: ff00800008716da0 x10: 0000000000000000 x9 : ffff800008716da0 [ 44.818396][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.819901][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 44.821408][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.822927][ C0] Call trace: [ 44.823509][ C0] __folio_end_writeback+0x7d0/0x9cc [ 44.824429][ C0] folio_end_writeback+0x12c/0x410 [ 44.825307][ C0] end_page_writeback+0x58/0x74 [ 44.826176][ C0] end_buffer_async_write+0x330/0x4fc [ 44.827100][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 44.827974][ C0] bio_endio+0x750/0x794 [ 44.828705][ C0] blk_update_request+0x4ac/0xc58 [ 44.829573][ C0] blk_mq_end_request+0x54/0x8c [ 44.830429][ C0] lo_complete_rq+0x1e8/0x238 [ 44.831247][ C0] blk_done_softirq+0x11c/0x168 [ 44.832101][ C0] handle_softirqs+0x318/0xc90 [ 44.833001][ C0] run_ksoftirqd+0x7c/0x2ac [ 44.833820][ C0] smpboot_thread_fn+0x4e8/0x960 [ 44.834702][ C0] kthread+0x254/0x2e0 [ 44.835435][ C0] ret_from_fork+0x10/0x20 [ 44.836199][ C0] irq event stamp: 402107 [ 44.836958][ C0] hardirqs last enabled at (402106): [] folio_memcg_lock+0xe8/0x1f8 [ 44.838733][ C0] hardirqs last disabled at (402107): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.840529][ C0] softirqs last enabled at (402094): [] handle_softirqs+0xb1c/0xc90 [ 44.842131][ C0] softirqs last disabled at (402101): [] run_ksoftirqd+0x7c/0x2ac [ 44.843703][ C0] ---[ end trace 0000000000000000 ]---