Warning: Permanently added '10.128.0.216' (ED25519) to the list of known hosts. 1970/01/01 00:01:07 parsed 1 programs [ 69.202969][ T4437] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.613653][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.614759][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.623377][ T21] cfg80211: failed to load regulatory.db [ 70.399328][ T4531] chnl_net:caif_netlink_parms(): no params data found [ 70.417565][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.418866][ T4531] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.420360][ T4531] device bridge_slave_0 entered promiscuous mode [ 70.422377][ T4531] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.423582][ T4531] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.425144][ T4531] device bridge_slave_1 entered promiscuous mode [ 70.433230][ T4531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.437613][ T4531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.445406][ T4531] team0: Port device team_slave_0 added [ 70.447371][ T4531] team0: Port device team_slave_1 added [ 70.454192][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.455373][ T4531] 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. [ 70.459699][ T4531] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.462196][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.463511][ T4531] 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. [ 70.467511][ T4531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.523452][ T4531] device hsr_slave_0 entered promiscuous mode [ 70.572494][ T4531] device hsr_slave_1 entered promiscuous mode [ 71.235829][ T4531] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.263793][ T4531] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.304195][ T4531] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.364086][ T4531] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.409234][ T4531] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.410520][ T4531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.411869][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.413228][ T4531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.443212][ T4531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.447116][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.448840][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.450353][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.452998][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.456819][ T4531] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.472519][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.474520][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.476079][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.477241][ T358] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.478714][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.480240][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.482005][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.483159][ T358] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.493040][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.494877][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.502025][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.505199][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.506903][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.510655][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.512266][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.515247][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.516772][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.521102][ T4531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.524846][ T4531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.528168][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.529795][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.577700][ T4531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.585170][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.586455][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.589063][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.590748][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.597398][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.598935][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.601054][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.604062][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.607451][ T4531] device veth0_vlan entered promiscuous mode [ 71.610821][ T4531] device veth1_vlan entered promiscuous mode [ 71.620410][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.621880][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.624767][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.626444][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.629783][ T4531] device veth0_macvtap entered promiscuous mode [ 71.633940][ T4531] device veth1_macvtap entered promiscuous mode [ 71.639346][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.641918][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.644568][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.646092][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.647403][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.648931][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.650347][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.651855][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.656131][ T4531] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.657525][ T4531] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.658987][ T4531] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.660438][ T4531] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.084915][ T358] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.086204][ T358] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.090162][ T1617] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.093875][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.099683][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.101044][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.102919][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.045398][ T1617] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.365162][ T1617] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.406069][ T1617] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:17 executed programs: 0 [ 77.970965][ T4962] chnl_net:caif_netlink_parms(): no params data found [ 78.000525][ T4962] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.001813][ T4962] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.003852][ T4962] device bridge_slave_0 entered promiscuous mode [ 78.006379][ T4962] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.007465][ T4962] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.008900][ T4962] device bridge_slave_1 entered promiscuous mode [ 78.018043][ T4962] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.029717][ T4962] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.038807][ T4962] team0: Port device team_slave_0 added [ 78.040844][ T4962] team0: Port device team_slave_1 added [ 78.049797][ T4962] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.050976][ T4962] 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. [ 78.056226][ T4962] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.058575][ T4962] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.059678][ T4962] 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. [ 78.064265][ T4962] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.103576][ T4962] device hsr_slave_0 entered promiscuous mode [ 78.153325][ T4962] device hsr_slave_1 entered promiscuous mode [ 78.202394][ T4962] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.203642][ T4962] Cannot create hsr debugfs directory [ 78.721241][ T4962] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.783659][ T4962] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.803745][ T4962] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.843545][ T4962] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.913568][ T4962] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.919207][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.920686][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.925604][ T4962] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.928249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.929812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.931305][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.932486][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.935970][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.939686][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.941419][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.943617][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.944807][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.948857][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.951485][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.954895][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.957075][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.958852][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.962193][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.966259][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.968892][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.970489][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.974243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.975813][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.977921][ T4962] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.036834][ T4962] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.043484][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.044762][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.048953][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.050504][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.057518][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.059125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.060729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.062207][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.066697][ T4962] device veth0_vlan entered promiscuous mode [ 79.070508][ T4962] device veth1_vlan entered promiscuous mode [ 79.092407][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.094088][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.095543][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.097051][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.100718][ T4962] device veth0_macvtap entered promiscuous mode [ 79.105405][ T4962] device veth1_macvtap entered promiscuous mode [ 79.110512][ T4962] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.112238][ T4962] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.115121][ T4962] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.116437][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.118482][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.119910][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.121441][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.125266][ T4962] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.126840][ T4962] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.128845][ T4962] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.130797][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.132252][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.134932][ T4962] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.136248][ T4962] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.137707][ T4962] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.139105][ T4962] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.173892][ T358] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.175234][ T358] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.176901][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.195907][ T358] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.197237][ T358] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.198572][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.319424][ T5095] loop0: detected capacity change from 0 to 32768 [ 79.407205][ T4962] BUG: Bad page state in process syz-executor pfn:12dff1 [ 79.408557][ T4962] page:00000000126e8f20 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12dff1 [ 79.410019][ T4962] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.411268][ T4962] raw: 05ffc00000002004 fffffc0003bee008 ffff80001fa675c0 0000000000000000 [ 79.413019][ T4962] raw: 0000000000000004 ffff0000c7a45e88 00000000ffffffff 0000000000000000 [ 79.414441][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.415571][ T4962] Modules linked in: [ 79.416246][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Not tainted syzkaller #0 [ 79.417598][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.419370][ T4962] Call trace: [ 79.419842][ T4962] dump_backtrace+0x0/0x458 [ 79.420556][ T4962] show_stack+0x2c/0x3c [ 79.421210][ T4962] __dump_stack+0x30/0x40 [ 79.422004][ T4962] dump_stack_lvl+0xf4/0x15c [ 79.422791][ T4962] dump_stack+0x1c/0x5c [ 79.423480][ T4962] bad_page+0x188/0x1a8 [ 79.424186][ T4962] check_free_page_bad+0xf4/0x16c [ 79.424991][ T4962] free_unref_page_prepare+0x738/0xa84 [ 79.425845][ T4962] free_unref_page_list+0xdc/0x730 [ 79.426692][ T4962] release_pages+0x13bc/0x16dc [ 79.427491][ T4962] __pagevec_release+0x84/0xf8 [ 79.428324][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 79.429277][ T4962] truncate_inode_pages+0x2c/0x3c [ 79.430175][ T4962] dbUnmount+0xf4/0x168 [ 79.430949][ T4962] jfs_umount+0x1c4/0x328 [ 79.431666][ T4962] jfs_put_super+0x90/0x188 [ 79.432418][ T4962] generic_shutdown_super+0x130/0x2f0 [ 79.433259][ T4962] kill_block_super+0x70/0xdc [ 79.434063][ T4962] deactivate_locked_super+0xb8/0x134 [ 79.434997][ T4962] deactivate_super+0xf0/0x110 [ 79.435755][ T4962] cleanup_mnt+0x3b8/0x46c [ 79.436468][ T4962] __cleanup_mnt+0x20/0x30 [ 79.437218][ T4962] task_work_run+0x12c/0x1d8 [ 79.437987][ T4962] do_notify_resume+0x2450/0x309c [ 79.438824][ T4962] el0_svc+0xf0/0x1d0 [ 79.439495][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 79.440328][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 79.441612][ T4962] Disabling lock debugging due to kernel taint [ 79.442766][ T4962] BUG: Bad page state in process syz-executor pfn:12fb80 [ 79.443973][ T4962] page:000000003c2fe2b8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12fb80 [ 79.445754][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.447461][ T4962] raw: 05ffc00000002006 fffffc000379a188 ffff80001fa675c0 0000000000000000 [ 79.448869][ T4962] raw: 0000000000000003 ffff0000e93e0000 00000000ffffffff 0000000000000000 [ 79.450274][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.451393][ T4962] Modules linked in: [ 79.451995][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.453508][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.455249][ T4962] Call trace: [ 79.455778][ T4962] dump_backtrace+0x0/0x458 [ 79.456615][ T4962] show_stack+0x2c/0x3c [ 79.457353][ T4962] __dump_stack+0x30/0x40 [ 79.458066][ T4962] dump_stack_lvl+0xf4/0x15c [ 79.458824][ T4962] dump_stack+0x1c/0x5c [ 79.459585][ T4962] bad_page+0x188/0x1a8 [ 79.460362][ T4962] check_free_page_bad+0xf4/0x16c [ 79.461321][ T4962] free_unref_page_prepare+0x738/0xa84 [ 79.462267][ T4962] free_unref_page_list+0xdc/0x730 [ 79.463199][ T4962] release_pages+0x13bc/0x16dc [ 79.464007][ T4962] __pagevec_release+0x84/0xf8 [ 79.464910][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 79.466009][ T4962] truncate_inode_pages+0x2c/0x3c [ 79.466984][ T4962] dbUnmount+0xf4/0x168 [ 79.467727][ T4962] jfs_umount+0x1c4/0x328 [ 79.468490][ T4962] jfs_put_super+0x90/0x188 [ 79.469320][ T4962] generic_shutdown_super+0x130/0x2f0 [ 79.470295][ T4962] kill_block_super+0x70/0xdc [ 79.471139][ T4962] deactivate_locked_super+0xb8/0x134 [ 79.472125][ T4962] deactivate_super+0xf0/0x110 [ 79.472917][ T4962] cleanup_mnt+0x3b8/0x46c [ 79.473653][ T4962] __cleanup_mnt+0x20/0x30 [ 79.474481][ T4962] task_work_run+0x12c/0x1d8 [ 79.475321][ T4962] do_notify_resume+0x2450/0x309c [ 79.476191][ T4962] el0_svc+0xf0/0x1d0 [ 79.476867][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 79.477647][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 79.590697][ T5097] loop0: detected capacity change from 0 to 32768 [ 79.665735][ T4962] BUG: Bad page state in process syz-executor pfn:1191a9 [ 79.666952][ T4962] page:00000000ac80f72f refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1191a9 [ 79.668712][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.670290][ T4962] raw: 05ffc00000002006 fffffc0003adbc08 ffff80001fa675c0 0000000000000000 [ 79.671744][ T4962] raw: 0000000000000004 ffff0000eb78a0f8 00000000ffffffff 0000000000000000 [ 79.673707][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.674876][ T4962] Modules linked in: [ 79.675542][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.676982][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.678564][ T4962] Call trace: [ 79.679109][ T4962] dump_backtrace+0x0/0x458 [ 79.679878][ T4962] show_stack+0x2c/0x3c [ 79.680597][ T4962] __dump_stack+0x30/0x40 [ 79.681258][ T4962] dump_stack_lvl+0xf4/0x15c [ 79.681963][ T4962] dump_stack+0x1c/0x5c [ 79.682630][ T4962] bad_page+0x188/0x1a8 [ 79.683287][ T4962] check_free_page_bad+0xf4/0x16c [ 79.684119][ T4962] free_unref_page_prepare+0x738/0xa84 [ 79.685041][ T4962] free_unref_page_list+0xdc/0x730 [ 79.685874][ T4962] release_pages+0x13bc/0x16dc [ 79.686655][ T4962] __pagevec_release+0x84/0xf8 [ 79.687426][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 79.688282][ T4962] truncate_inode_pages+0x2c/0x3c [ 79.689068][ T4962] dbUnmount+0xf4/0x168 [ 79.689716][ T4962] jfs_umount+0x1c4/0x328 [ 79.690340][ T4962] jfs_put_super+0x90/0x188 [ 79.691143][ T4962] generic_shutdown_super+0x130/0x2f0 [ 79.692062][ T4962] kill_block_super+0x70/0xdc [ 79.692844][ T4962] deactivate_locked_super+0xb8/0x134 [ 79.693767][ T4962] deactivate_super+0xf0/0x110 [ 79.694555][ T4962] cleanup_mnt+0x3b8/0x46c [ 79.695317][ T4962] __cleanup_mnt+0x20/0x30 [ 79.696073][ T4962] task_work_run+0x12c/0x1d8 [ 79.696846][ T4962] do_notify_resume+0x2450/0x309c [ 79.697617][ T4962] el0_svc+0xf0/0x1d0 [ 79.698193][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 79.699011][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 79.701007][ T4962] BUG: Bad page state in process syz-executor pfn:12b6f0 [ 79.702127][ T4962] page:00000000ceb699c8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12b6f0 [ 79.704031][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.705596][ T4962] raw: 05ffc00000002006 fffffc00033ef188 ffff80001fa675c0 0000000000000000 [ 79.707035][ T4962] raw: 0000000000000003 ffff0000eb78a1f0 00000000ffffffff 0000000000000000 [ 79.708525][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.709588][ T4962] Modules linked in: [ 79.710280][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.711695][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.713288][ T4962] Call trace: [ 79.713843][ T4962] dump_backtrace+0x0/0x458 [ 79.714640][ T4962] show_stack+0x2c/0x3c [ 79.715342][ T4962] __dump_stack+0x30/0x40 [ 79.716065][ T4962] dump_stack_lvl+0xf4/0x15c [ 79.716819][ T4962] dump_stack+0x1c/0x5c [ 79.717522][ T4962] bad_page+0x188/0x1a8 [ 79.718174][ T4962] check_free_page_bad+0xf4/0x16c [ 79.719058][ T4962] free_unref_page_prepare+0x738/0xa84 [ 79.719971][ T4962] free_unref_page_list+0xdc/0x730 [ 79.720797][ T4962] release_pages+0x13bc/0x16dc [ 79.721639][ T4962] __pagevec_release+0x84/0xf8 [ 79.722454][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 79.723437][ T4962] truncate_inode_pages+0x2c/0x3c [ 79.724279][ T4962] dbUnmount+0xf4/0x168 [ 79.724957][ T4962] jfs_umount+0x1c4/0x328 [ 79.725654][ T4962] jfs_put_super+0x90/0x188 [ 79.726375][ T4962] generic_shutdown_super+0x130/0x2f0 [ 79.727245][ T4962] kill_block_super+0x70/0xdc [ 79.728075][ T4962] deactivate_locked_super+0xb8/0x134 [ 79.729025][ T4962] deactivate_super+0xf0/0x110 [ 79.729852][ T4962] cleanup_mnt+0x3b8/0x46c [ 79.730619][ T4962] __cleanup_mnt+0x20/0x30 [ 79.731328][ T4962] task_work_run+0x12c/0x1d8 [ 79.732071][ T4962] do_notify_resume+0x2450/0x309c [ 79.732873][ T4962] el0_svc+0xf0/0x1d0 [ 79.733563][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 79.734389][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 79.860294][ T5099] loop0: detected capacity change from 0 to 32768 [ 79.912568][ T4962] BUG: Bad page state in process syz-executor pfn:10673f [ 79.913732][ T4962] page:0000000038fe0d61 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10673f [ 79.915485][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.917187][ T4962] raw: 05ffc00000002006 fffffc0003aeaf88 ffff80001fa675c0 0000000000000000 [ 79.918693][ T4962] raw: 0000000000000004 ffff0000cd6660f8 00000000ffffffff 0000000000000000 [ 79.920040][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.921261][ T4962] Modules linked in: [ 79.921998][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.923587][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.925501][ T4962] Call trace: [ 79.926050][ T4962] dump_backtrace+0x0/0x458 [ 79.926798][ T4962] show_stack+0x2c/0x3c [ 79.927509][ T4962] __dump_stack+0x30/0x40 [ 79.928252][ T4962] dump_stack_lvl+0xf4/0x15c [ 79.928992][ T4962] dump_stack+0x1c/0x5c [ 79.929723][ T4962] bad_page+0x188/0x1a8 [ 79.930453][ T4962] check_free_page_bad+0xf4/0x16c [ 79.931285][ T4962] free_unref_page_prepare+0x738/0xa84 [ 79.932181][ T4962] free_unref_page_list+0xdc/0x730 [ 79.933075][ T4962] release_pages+0x13bc/0x16dc [ 79.933879][ T4962] __pagevec_release+0x84/0xf8 [ 79.934627][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 79.935638][ T4962] truncate_inode_pages+0x2c/0x3c [ 79.936487][ T4962] dbUnmount+0xf4/0x168 [ 79.937191][ T4962] jfs_umount+0x1c4/0x328 [ 79.937917][ T4962] jfs_put_super+0x90/0x188 [ 79.938685][ T4962] generic_shutdown_super+0x130/0x2f0 [ 79.939631][ T4962] kill_block_super+0x70/0xdc [ 79.940485][ T4962] deactivate_locked_super+0xb8/0x134 [ 79.941354][ T4962] deactivate_super+0xf0/0x110 [ 79.942151][ T4962] cleanup_mnt+0x3b8/0x46c [ 79.942927][ T4962] __cleanup_mnt+0x20/0x30 [ 79.943675][ T4962] task_work_run+0x12c/0x1d8 [ 79.944485][ T4962] do_notify_resume+0x2450/0x309c [ 79.945359][ T4962] el0_svc+0xf0/0x1d0 [ 79.946066][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 79.946930][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 79.948489][ T4962] BUG: Bad page state in process syz-executor pfn:12babe [ 79.948510][ T4232] Bluetooth: hci0: command 0x0409 tx timeout [ 79.949746][ T4962] page:0000000054fe056a refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12babe [ 79.953164][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.954799][ T4962] raw: 05ffc00000002006 fffffc00035e6e08 ffff80001fa675c0 0000000000000000 [ 79.956187][ T4962] raw: 0000000000000003 ffff0000cd6661f0 00000000ffffffff 0000000000000000 [ 79.957620][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.958842][ T4962] Modules linked in: [ 79.959514][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.960892][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.962641][ T4962] Call trace: [ 79.963174][ T4962] dump_backtrace+0x0/0x458 [ 79.963888][ T4962] show_stack+0x2c/0x3c [ 79.964527][ T4962] __dump_stack+0x30/0x40 [ 79.965243][ T4962] dump_stack_lvl+0xf4/0x15c [ 79.966022][ T4962] dump_stack+0x1c/0x5c [ 79.966753][ T4962] bad_page+0x188/0x1a8 [ 79.967496][ T4962] check_free_page_bad+0xf4/0x16c [ 79.968271][ T4962] free_unref_page_prepare+0x738/0xa84 [ 79.969131][ T4962] free_unref_page_list+0xdc/0x730 [ 79.970093][ T4962] release_pages+0x13bc/0x16dc [ 79.970906][ T4962] __pagevec_release+0x84/0xf8 [ 79.971744][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 79.972718][ T4962] truncate_inode_pages+0x2c/0x3c [ 79.973498][ T4962] dbUnmount+0xf4/0x168 [ 79.974185][ T4962] jfs_umount+0x1c4/0x328 [ 79.974943][ T4962] jfs_put_super+0x90/0x188 [ 79.975716][ T4962] generic_shutdown_super+0x130/0x2f0 [ 79.976628][ T4962] kill_block_super+0x70/0xdc [ 79.977458][ T4962] deactivate_locked_super+0xb8/0x134 [ 79.978394][ T4962] deactivate_super+0xf0/0x110 [ 79.979192][ T4962] cleanup_mnt+0x3b8/0x46c [ 79.979956][ T4962] __cleanup_mnt+0x20/0x30 [ 79.980725][ T4962] task_work_run+0x12c/0x1d8 [ 79.981456][ T4962] do_notify_resume+0x2450/0x309c [ 79.982407][ T4962] el0_svc+0xf0/0x1d0 [ 79.983098][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 79.983927][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.088535][ T5101] loop0: detected capacity change from 0 to 32768 [ 80.159748][ T4962] BUG: Bad page state in process syz-executor pfn:115ac5 [ 80.160983][ T4962] page:00000000ac251c12 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x115ac5 [ 80.163205][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.164669][ T4962] raw: 05ffc00000002006 fffffc0003636088 ffff80001fa675c0 0000000000000000 [ 80.166196][ T4962] raw: 0000000000000004 ffff0000e93d42e8 00000000ffffffff 0000000000000000 [ 80.167534][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.168712][ T4962] Modules linked in: [ 80.169319][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.170850][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.172509][ T4962] Call trace: [ 80.173053][ T4962] dump_backtrace+0x0/0x458 [ 80.173819][ T4962] show_stack+0x2c/0x3c [ 80.174470][ T4962] __dump_stack+0x30/0x40 [ 80.175177][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.175902][ T4962] dump_stack+0x1c/0x5c [ 80.176603][ T4962] bad_page+0x188/0x1a8 [ 80.177270][ T4962] check_free_page_bad+0xf4/0x16c [ 80.178074][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.178874][ T4962] free_unref_page_list+0xdc/0x730 [ 80.179617][ T4962] release_pages+0x13bc/0x16dc [ 80.180349][ T4962] __pagevec_release+0x84/0xf8 [ 80.181033][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.181914][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.182700][ T4962] dbUnmount+0xf4/0x168 [ 80.183382][ T4962] jfs_umount+0x1c4/0x328 [ 80.184137][ T4962] jfs_put_super+0x90/0x188 [ 80.184946][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.185871][ T4962] kill_block_super+0x70/0xdc [ 80.186638][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.187550][ T4962] deactivate_super+0xf0/0x110 [ 80.188303][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.189030][ T4962] __cleanup_mnt+0x20/0x30 [ 80.189711][ T4962] task_work_run+0x12c/0x1d8 [ 80.190416][ T4962] do_notify_resume+0x2450/0x309c [ 80.191254][ T4962] el0_svc+0xf0/0x1d0 [ 80.191938][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.192786][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.195379][ T4962] BUG: Bad page state in process syz-executor pfn:118d82 [ 80.196549][ T4962] page:00000000dc48a2de refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x118d82 [ 80.198113][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.199625][ T4962] raw: 05ffc00000002006 fffffc00030b7c88 ffff80001fa675c0 0000000000000000 [ 80.201071][ T4962] raw: 0000000000000003 ffff0000e93d43e0 00000000ffffffff 0000000000000000 [ 80.203315][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.204460][ T4962] Modules linked in: [ 80.205076][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.206657][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.208274][ T4962] Call trace: [ 80.208832][ T4962] dump_backtrace+0x0/0x458 [ 80.209551][ T4962] show_stack+0x2c/0x3c [ 80.210279][ T4962] __dump_stack+0x30/0x40 [ 80.211001][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.211790][ T4962] dump_stack+0x1c/0x5c [ 80.212463][ T4962] bad_page+0x188/0x1a8 [ 80.213149][ T4962] check_free_page_bad+0xf4/0x16c [ 80.214041][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.214960][ T4962] free_unref_page_list+0xdc/0x730 [ 80.215849][ T4962] release_pages+0x13bc/0x16dc [ 80.216649][ T4962] __pagevec_release+0x84/0xf8 [ 80.217465][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.218463][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.219388][ T4962] dbUnmount+0xf4/0x168 [ 80.220166][ T4962] jfs_umount+0x1c4/0x328 [ 80.220966][ T4962] jfs_put_super+0x90/0x188 [ 80.221782][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.222712][ T4962] kill_block_super+0x70/0xdc [ 80.223544][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.224490][ T4962] deactivate_super+0xf0/0x110 [ 80.225291][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.226037][ T4962] __cleanup_mnt+0x20/0x30 [ 80.226860][ T4962] task_work_run+0x12c/0x1d8 [ 80.227690][ T4962] do_notify_resume+0x2450/0x309c [ 80.228578][ T4962] el0_svc+0xf0/0x1d0 [ 80.229313][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.230096][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.343641][ T5103] loop0: detected capacity change from 0 to 32768 [ 80.408305][ T4962] BUG: Bad page state in process syz-executor pfn:118b9a [ 80.409585][ T4962] page:000000001a9fce72 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x118b9a [ 80.411392][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.414134][ T4962] raw: 05ffc00000002006 fffffc0003adefc8 ffff80001fa675c0 0000000000000000 [ 80.415512][ T4962] raw: 0000000000000004 ffff0000cd666ba0 00000000ffffffff 0000000000000000 [ 80.416799][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.417933][ T4962] Modules linked in: [ 80.418552][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.419968][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.421619][ T4962] Call trace: [ 80.422118][ T4962] dump_backtrace+0x0/0x458 [ 80.422909][ T4962] show_stack+0x2c/0x3c [ 80.423611][ T4962] __dump_stack+0x30/0x40 [ 80.424293][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.425063][ T4962] dump_stack+0x1c/0x5c [ 80.425735][ T4962] bad_page+0x188/0x1a8 [ 80.426434][ T4962] check_free_page_bad+0xf4/0x16c [ 80.427272][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.428125][ T4962] free_unref_page_list+0xdc/0x730 [ 80.428941][ T4962] release_pages+0x13bc/0x16dc [ 80.429662][ T4962] __pagevec_release+0x84/0xf8 [ 80.430395][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.431256][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.431999][ T4962] dbUnmount+0xf4/0x168 [ 80.432657][ T4962] jfs_umount+0x1c4/0x328 [ 80.433313][ T4962] jfs_put_super+0x90/0x188 [ 80.434015][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.434801][ T4962] kill_block_super+0x70/0xdc [ 80.435539][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.436373][ T4962] deactivate_super+0xf0/0x110 [ 80.437111][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.437767][ T4962] __cleanup_mnt+0x20/0x30 [ 80.438392][ T4962] task_work_run+0x12c/0x1d8 [ 80.439204][ T4962] do_notify_resume+0x2450/0x309c [ 80.440056][ T4962] el0_svc+0xf0/0x1d0 [ 80.440670][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.441440][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.442566][ T4962] BUG: Bad page state in process syz-executor pfn:12b7bf [ 80.443682][ T4962] page:000000005e7da0c9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12b7bf [ 80.445400][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.446899][ T4962] raw: 05ffc00000002006 fffffc000364c848 ffff80001fa675c0 0000000000000000 [ 80.448341][ T4962] raw: 0000000000000003 ffff0000cd666c98 00000000ffffffff 0000000000000000 [ 80.449764][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.450903][ T4962] Modules linked in: [ 80.451514][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.453045][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.454787][ T4962] Call trace: [ 80.455323][ T4962] dump_backtrace+0x0/0x458 [ 80.456101][ T4962] show_stack+0x2c/0x3c [ 80.456780][ T4962] __dump_stack+0x30/0x40 [ 80.457511][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.458242][ T4962] dump_stack+0x1c/0x5c [ 80.458937][ T4962] bad_page+0x188/0x1a8 [ 80.459587][ T4962] check_free_page_bad+0xf4/0x16c [ 80.460447][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.461339][ T4962] free_unref_page_list+0xdc/0x730 [ 80.462248][ T4962] release_pages+0x13bc/0x16dc [ 80.463076][ T4962] __pagevec_release+0x84/0xf8 [ 80.463893][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.464857][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.465730][ T4962] dbUnmount+0xf4/0x168 [ 80.466449][ T4962] jfs_umount+0x1c4/0x328 [ 80.467228][ T4962] jfs_put_super+0x90/0x188 [ 80.467975][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.468899][ T4962] kill_block_super+0x70/0xdc [ 80.469703][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.470635][ T4962] deactivate_super+0xf0/0x110 [ 80.471429][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.472154][ T4962] __cleanup_mnt+0x20/0x30 [ 80.472901][ T4962] task_work_run+0x12c/0x1d8 [ 80.473743][ T4962] do_notify_resume+0x2450/0x309c [ 80.474629][ T4962] el0_svc+0xf0/0x1d0 [ 80.475306][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.476167][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.583818][ T5105] loop0: detected capacity change from 0 to 32768 [ 80.651947][ T4962] BUG: Bad page state in process syz-executor pfn:102947 [ 80.653289][ T4962] page:00000000dfe74b78 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x102947 [ 80.654845][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.656495][ T4962] raw: 05ffc00000002006 fffffc0003046808 ffff80001fa675c0 0000000000000000 [ 80.657869][ T4962] raw: 0000000000000004 ffff0000e8f9eba0 00000000ffffffff 0000000000000000 [ 80.659321][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.660570][ T4962] Modules linked in: [ 80.661226][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.662748][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.664535][ T4962] Call trace: [ 80.665109][ T4962] dump_backtrace+0x0/0x458 [ 80.665960][ T4962] show_stack+0x2c/0x3c [ 80.666742][ T4962] __dump_stack+0x30/0x40 [ 80.667488][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.668267][ T4962] dump_stack+0x1c/0x5c [ 80.668992][ T4962] bad_page+0x188/0x1a8 [ 80.669683][ T4962] check_free_page_bad+0xf4/0x16c [ 80.670511][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.671445][ T4962] free_unref_page_list+0xdc/0x730 [ 80.672259][ T4962] release_pages+0x13bc/0x16dc [ 80.673004][ T4962] __pagevec_release+0x84/0xf8 [ 80.673811][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.674792][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.675672][ T4962] dbUnmount+0xf4/0x168 [ 80.676380][ T4962] jfs_umount+0x1c4/0x328 [ 80.677048][ T4962] jfs_put_super+0x90/0x188 [ 80.677832][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.678748][ T4962] kill_block_super+0x70/0xdc [ 80.679545][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.680476][ T4962] deactivate_super+0xf0/0x110 [ 80.681275][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.681967][ T4962] __cleanup_mnt+0x20/0x30 [ 80.682670][ T4962] task_work_run+0x12c/0x1d8 [ 80.683451][ T4962] do_notify_resume+0x2450/0x309c [ 80.684395][ T4962] el0_svc+0xf0/0x1d0 [ 80.685113][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.685991][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.687131][ T4962] BUG: Bad page state in process syz-executor pfn:1011a0 [ 80.688184][ T4962] page:00000000b5fd0147 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x1011a0 [ 80.689922][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.691351][ T4962] raw: 05ffc00000002006 fffffc0003479408 ffff80001fa675c0 0000000000000000 [ 80.692858][ T4962] raw: 0000000000000003 ffff0000e8f9ec98 00000000ffffffff 0000000000000000 [ 80.694223][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.695384][ T4962] Modules linked in: [ 80.696019][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.697528][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.699184][ T4962] Call trace: [ 80.699699][ T4962] dump_backtrace+0x0/0x458 [ 80.700406][ T4962] show_stack+0x2c/0x3c [ 80.701051][ T4962] __dump_stack+0x30/0x40 [ 80.701746][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.702541][ T4962] dump_stack+0x1c/0x5c [ 80.703298][ T4962] bad_page+0x188/0x1a8 [ 80.704030][ T4962] check_free_page_bad+0xf4/0x16c [ 80.704853][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.705819][ T4962] free_unref_page_list+0xdc/0x730 [ 80.706722][ T4962] release_pages+0x13bc/0x16dc [ 80.707531][ T4962] __pagevec_release+0x84/0xf8 [ 80.708353][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.709341][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.710164][ T4962] dbUnmount+0xf4/0x168 [ 80.710880][ T4962] jfs_umount+0x1c4/0x328 [ 80.711623][ T4962] jfs_put_super+0x90/0x188 [ 80.712322][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.713235][ T4962] kill_block_super+0x70/0xdc [ 80.714027][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.714915][ T4962] deactivate_super+0xf0/0x110 [ 80.715754][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.716494][ T4962] __cleanup_mnt+0x20/0x30 [ 80.717199][ T4962] task_work_run+0x12c/0x1d8 [ 80.717927][ T4962] do_notify_resume+0x2450/0x309c [ 80.718657][ T4962] el0_svc+0xf0/0x1d0 [ 80.719272][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.720031][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.822111][ T5107] loop0: detected capacity change from 0 to 32768 [ 80.898553][ T4962] BUG: Bad page state in process syz-executor pfn:1130bb [ 80.899747][ T4962] page:00000000a42d280c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1130bb [ 80.901793][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.903480][ T4962] raw: 05ffc00000002006 fffffc00033c1288 ffff80001fa675c0 0000000000000000 [ 80.904745][ T4962] raw: 0000000000000004 ffff0000d83cad90 00000000ffffffff 0000000000000000 [ 80.906137][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.907351][ T4962] Modules linked in: [ 80.907962][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.909477][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.911226][ T4962] Call trace: [ 80.911760][ T4962] dump_backtrace+0x0/0x458 [ 80.912581][ T4962] show_stack+0x2c/0x3c [ 80.913327][ T4962] __dump_stack+0x30/0x40 [ 80.914045][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.914820][ T4962] dump_stack+0x1c/0x5c [ 80.915585][ T4962] bad_page+0x188/0x1a8 [ 80.916310][ T4962] check_free_page_bad+0xf4/0x16c [ 80.917170][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.918046][ T4962] free_unref_page_list+0xdc/0x730 [ 80.918868][ T4962] release_pages+0x13bc/0x16dc [ 80.919688][ T4962] __pagevec_release+0x84/0xf8 [ 80.920522][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.921487][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.922284][ T4962] dbUnmount+0xf4/0x168 [ 80.922922][ T4962] jfs_umount+0x1c4/0x328 [ 80.923654][ T4962] jfs_put_super+0x90/0x188 [ 80.924413][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.925260][ T4962] kill_block_super+0x70/0xdc [ 80.925988][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.927011][ T4962] deactivate_super+0xf0/0x110 [ 80.927843][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.928571][ T4962] __cleanup_mnt+0x20/0x30 [ 80.929307][ T4962] task_work_run+0x12c/0x1d8 [ 80.930105][ T4962] do_notify_resume+0x2450/0x309c [ 80.930958][ T4962] el0_svc+0xf0/0x1d0 [ 80.931596][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.932431][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 80.934223][ T4962] BUG: Bad page state in process syz-executor pfn:10f04a [ 80.935428][ T4962] page:000000004dd69ed3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10f04a [ 80.937216][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.938807][ T4962] raw: 05ffc00000002006 fffffc00035bd948 ffff80001fa675c0 0000000000000000 [ 80.940160][ T4962] raw: 0000000000000003 ffff0000d83cae88 00000000ffffffff 0000000000000000 [ 80.941442][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.943442][ T4962] Modules linked in: [ 80.944105][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.945595][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.947265][ T4962] Call trace: [ 80.947748][ T4962] dump_backtrace+0x0/0x458 [ 80.948451][ T4962] show_stack+0x2c/0x3c [ 80.949114][ T4962] __dump_stack+0x30/0x40 [ 80.949800][ T4962] dump_stack_lvl+0xf4/0x15c [ 80.950544][ T4962] dump_stack+0x1c/0x5c [ 80.951301][ T4962] bad_page+0x188/0x1a8 [ 80.952002][ T4962] check_free_page_bad+0xf4/0x16c [ 80.952915][ T4962] free_unref_page_prepare+0x738/0xa84 [ 80.953861][ T4962] free_unref_page_list+0xdc/0x730 [ 80.954718][ T4962] release_pages+0x13bc/0x16dc [ 80.955472][ T4962] __pagevec_release+0x84/0xf8 [ 80.956237][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 80.957149][ T4962] truncate_inode_pages+0x2c/0x3c [ 80.957925][ T4962] dbUnmount+0xf4/0x168 [ 80.958598][ T4962] jfs_umount+0x1c4/0x328 [ 80.959277][ T4962] jfs_put_super+0x90/0x188 [ 80.960054][ T4962] generic_shutdown_super+0x130/0x2f0 [ 80.960994][ T4962] kill_block_super+0x70/0xdc [ 80.961773][ T4962] deactivate_locked_super+0xb8/0x134 [ 80.962590][ T4962] deactivate_super+0xf0/0x110 [ 80.963315][ T4962] cleanup_mnt+0x3b8/0x46c [ 80.964067][ T4962] __cleanup_mnt+0x20/0x30 [ 80.964840][ T4962] task_work_run+0x12c/0x1d8 [ 80.965651][ T4962] do_notify_resume+0x2450/0x309c [ 80.966507][ T4962] el0_svc+0xf0/0x1d0 [ 80.967207][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 80.968070][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 81.099108][ T5109] loop0: detected capacity change from 0 to 32768 [ 81.113949][ T1617] device hsr_slave_0 left promiscuous mode [ 81.152530][ T1617] device hsr_slave_1 left promiscuous mode [ 81.155675][ T4962] BUG: Bad page state in process syz-executor pfn:11783d [ 81.156900][ T4962] page:0000000049e6ade5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11783d [ 81.158644][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.160259][ T4962] raw: 05ffc00000002006 fffffc0003384188 ffff80001fa675c0 0000000000000000 [ 81.161620][ T4962] raw: 0000000000000004 ffff0000d6564000 00000000ffffffff 0000000000000000 [ 81.171836][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.173469][ T4962] Modules linked in: [ 81.174076][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.175472][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.177197][ T4962] Call trace: [ 81.177786][ T4962] dump_backtrace+0x0/0x458 [ 81.178536][ T4962] show_stack+0x2c/0x3c [ 81.179314][ T4962] __dump_stack+0x30/0x40 [ 81.180068][ T4962] dump_stack_lvl+0xf4/0x15c [ 81.180831][ T4962] dump_stack+0x1c/0x5c [ 81.181548][ T4962] bad_page+0x188/0x1a8 [ 81.182252][ T4962] check_free_page_bad+0xf4/0x16c [ 81.183100][ T4962] free_unref_page_prepare+0x738/0xa84 [ 81.184068][ T4962] free_unref_page_list+0xdc/0x730 [ 81.184928][ T4962] release_pages+0x13bc/0x16dc [ 81.185788][ T4962] __pagevec_release+0x84/0xf8 [ 81.186680][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 81.187716][ T4962] truncate_inode_pages+0x2c/0x3c [ 81.188600][ T4962] dbUnmount+0xf4/0x168 [ 81.189241][ T4962] jfs_umount+0x1c4/0x328 [ 81.189939][ T4962] jfs_put_super+0x90/0x188 [ 81.190675][ T4962] generic_shutdown_super+0x130/0x2f0 [ 81.191553][ T4962] kill_block_super+0x70/0xdc [ 81.192294][ T4962] deactivate_locked_super+0xb8/0x134 [ 81.193144][ T4962] deactivate_super+0xf0/0x110 [ 81.194007][ T4962] cleanup_mnt+0x3b8/0x46c [ 81.194734][ T4962] __cleanup_mnt+0x20/0x30 [ 81.195511][ T4962] task_work_run+0x12c/0x1d8 [ 81.196318][ T4962] do_notify_resume+0x2450/0x309c [ 81.197186][ T4962] el0_svc+0xf0/0x1d0 [ 81.197862][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 81.198734][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 81.199615][ T4962] BUG: Bad page state in process syz-executor pfn:10e106 [ 81.200783][ T4962] page:00000000407a2803 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10e106 [ 81.202964][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.204434][ T4962] raw: 05ffc00000002006 fffffc0003629948 ffff80001fa675c0 0000000000000000 [ 81.205883][ T4962] raw: 0000000000000003 ffff0000d65640f8 00000000ffffffff 0000000000000000 [ 81.207363][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.208570][ T4962] Modules linked in: [ 81.209166][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.210610][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.212324][ T4962] Call trace: [ 81.212912][ T4962] dump_backtrace+0x0/0x458 [ 81.213715][ T4962] show_stack+0x2c/0x3c [ 81.214458][ T4962] __dump_stack+0x30/0x40 [ 81.215256][ T4962] dump_stack_lvl+0xf4/0x15c [ 81.216051][ T4962] dump_stack+0x1c/0x5c [ 81.216814][ T4962] bad_page+0x188/0x1a8 [ 81.217515][ T4962] check_free_page_bad+0xf4/0x16c [ 81.218349][ T4962] free_unref_page_prepare+0x738/0xa84 [ 81.219269][ T4962] free_unref_page_list+0xdc/0x730 [ 81.220056][ T4962] release_pages+0x13bc/0x16dc [ 81.220757][ T4962] __pagevec_release+0x84/0xf8 [ 81.221522][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 81.222493][ T4962] truncate_inode_pages+0x2c/0x3c [ 81.223374][ T4962] dbUnmount+0xf4/0x168 [ 81.224092][ T4962] jfs_umount+0x1c4/0x328 [ 81.224802][ T4962] jfs_put_super+0x90/0x188 [ 81.225574][ T4962] generic_shutdown_super+0x130/0x2f0 [ 81.226472][ T4962] kill_block_super+0x70/0xdc [ 81.227302][ T4962] deactivate_locked_super+0xb8/0x134 [ 81.228300][ T4962] deactivate_super+0xf0/0x110 [ 81.229085][ T4962] cleanup_mnt+0x3b8/0x46c [ 81.229852][ T4962] __cleanup_mnt+0x20/0x30 [ 81.230533][ T4962] task_work_run+0x12c/0x1d8 [ 81.231271][ T4962] do_notify_resume+0x2450/0x309c [ 81.232103][ T4962] el0_svc+0xf0/0x1d0 [ 81.232768][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 81.233567][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 81.252351][ T1617] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 81.253632][ T1617] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 81.255098][ T1617] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 81.256308][ T1617] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 81.257658][ T1617] device bridge_slave_1 left promiscuous mode [ 81.258692][ T1617] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.313801][ T1617] device bridge_slave_0 left promiscuous mode [ 81.314848][ T1617] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.348283][ T5111] loop0: detected capacity change from 0 to 32768 [ 81.442458][ T1617] device veth1_macvtap left promiscuous mode [ 81.443575][ T1617] device veth0_macvtap left promiscuous mode [ 81.444679][ T1617] device veth1_vlan left promiscuous mode [ 81.445648][ T1617] device veth0_vlan left promiscuous mode [ 81.461251][ T4962] BUG: Bad page state in process syz-executor pfn:12b7ca [ 81.462667][ T4962] page:00000000e97d51da refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b7ca [ 81.464339][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.465948][ T4962] raw: 05ffc00000002006 fffffc00033feb48 ffff80001fa675c0 0000000000000000 [ 81.467387][ T4962] raw: 0000000000000004 ffff0000e8c10d90 00000000ffffffff 0000000000000000 [ 81.468833][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.470231][ T4962] Modules linked in: [ 81.470892][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.472295][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.473950][ T4962] Call trace: [ 81.474491][ T4962] dump_backtrace+0x0/0x458 [ 81.475320][ T4962] show_stack+0x2c/0x3c [ 81.476002][ T4962] __dump_stack+0x30/0x40 [ 81.476696][ T4962] dump_stack_lvl+0xf4/0x15c [ 81.477519][ T4962] dump_stack+0x1c/0x5c [ 81.478167][ T4962] bad_page+0x188/0x1a8 [ 81.478820][ T4962] check_free_page_bad+0xf4/0x16c [ 81.479597][ T4962] free_unref_page_prepare+0x738/0xa84 [ 81.480446][ T4962] free_unref_page_list+0xdc/0x730 [ 81.481229][ T4962] release_pages+0x13bc/0x16dc [ 81.481966][ T4962] __pagevec_release+0x84/0xf8 [ 81.482824][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 81.483730][ T4962] truncate_inode_pages+0x2c/0x3c [ 81.484556][ T4962] dbUnmount+0xf4/0x168 [ 81.485204][ T4962] jfs_umount+0x1c4/0x328 [ 81.485903][ T4962] jfs_put_super+0x90/0x188 [ 81.486741][ T4962] generic_shutdown_super+0x130/0x2f0 [ 81.487722][ T4962] kill_block_super+0x70/0xdc [ 81.488498][ T4962] deactivate_locked_super+0xb8/0x134 [ 81.489424][ T4962] deactivate_super+0xf0/0x110 [ 81.490307][ T4962] cleanup_mnt+0x3b8/0x46c [ 81.491060][ T4962] __cleanup_mnt+0x20/0x30 [ 81.491828][ T4962] task_work_run+0x12c/0x1d8 [ 81.492637][ T4962] do_notify_resume+0x2450/0x309c [ 81.493493][ T4962] el0_svc+0xf0/0x1d0 [ 81.494132][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 81.494966][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 81.496005][ T4962] BUG: Bad page state in process syz-executor pfn:10ffad [ 81.497312][ T4962] page:00000000c0b8142d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10ffad [ 81.499194][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.500750][ T4962] raw: 05ffc00000002006 fffffc0003683b88 ffff80001fa675c0 0000000000000000 [ 81.502083][ T4962] raw: 0000000000000003 ffff0000e8c10e88 00000000ffffffff 0000000000000000 [ 81.503789][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.504918][ T4962] Modules linked in: [ 81.505567][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.507088][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.508689][ T4962] Call trace: [ 81.509206][ T4962] dump_backtrace+0x0/0x458 [ 81.509944][ T4962] show_stack+0x2c/0x3c [ 81.510637][ T4962] __dump_stack+0x30/0x40 [ 81.511263][ T4962] dump_stack_lvl+0xf4/0x15c [ 81.511975][ T4962] dump_stack+0x1c/0x5c [ 81.512666][ T4962] bad_page+0x188/0x1a8 [ 81.513397][ T4962] check_free_page_bad+0xf4/0x16c [ 81.514250][ T4962] free_unref_page_prepare+0x738/0xa84 [ 81.515218][ T4962] free_unref_page_list+0xdc/0x730 [ 81.516114][ T4962] release_pages+0x13bc/0x16dc [ 81.516924][ T4962] __pagevec_release+0x84/0xf8 [ 81.517734][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 81.518738][ T4962] truncate_inode_pages+0x2c/0x3c [ 81.519616][ T4962] dbUnmount+0xf4/0x168 [ 81.520354][ T4962] jfs_umount+0x1c4/0x328 [ 81.521088][ T4962] jfs_put_super+0x90/0x188 [ 81.521851][ T4962] generic_shutdown_super+0x130/0x2f0 [ 81.522638][ T4962] kill_block_super+0x70/0xdc [ 81.523466][ T4962] deactivate_locked_super+0xb8/0x134 [ 81.524383][ T4962] deactivate_super+0xf0/0x110 [ 81.525172][ T4962] cleanup_mnt+0x3b8/0x46c [ 81.525919][ T4962] __cleanup_mnt+0x20/0x30 [ 81.526672][ T4962] task_work_run+0x12c/0x1d8 [ 81.527465][ T4962] do_notify_resume+0x2450/0x309c [ 81.528290][ T4962] el0_svc+0xf0/0x1d0 [ 81.528898][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 81.529675][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 81.574411][ T1617] team0 (unregistering): Port device team_slave_1 removed [ 81.577761][ T1617] team0 (unregistering): Port device team_slave_0 removed [ 81.581035][ T1617] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.625260][ T1617] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.628959][ T5113] loop0: detected capacity change from 0 to 32768 [ 81.726429][ T4962] BUG: Bad page state in process syz-executor pfn:11634c [ 81.727712][ T4962] page:000000009f38fd0f refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11634c [ 81.729547][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.731054][ T4962] raw: 05ffc00000002006 fffffc000308bc48 ffff80001fa675c0 0000000000000000 [ 81.732592][ T4962] raw: 0000000000000004 ffff0000d65647c0 00000000ffffffff 0000000000000000 [ 81.734095][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.735262][ T4962] Modules linked in: [ 81.735379][ T1617] bond0 (unregistering): Released all slaves [ 81.735881][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.738448][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.740124][ T4962] Call trace: [ 81.740675][ T4962] dump_backtrace+0x0/0x458 [ 81.741445][ T4962] show_stack+0x2c/0x3c [ 81.742173][ T4962] __dump_stack+0x30/0x40 [ 81.742932][ T4962] dump_stack_lvl+0xf4/0x15c [ 81.743682][ T4962] dump_stack+0x1c/0x5c [ 81.744394][ T4962] bad_page+0x188/0x1a8 [ 81.745069][ T4962] check_free_page_bad+0xf4/0x16c [ 81.745893][ T4962] free_unref_page_prepare+0x738/0xa84 [ 81.746809][ T4962] free_unref_page_list+0xdc/0x730 [ 81.747618][ T4962] release_pages+0x13bc/0x16dc [ 81.748357][ T4962] __pagevec_release+0x84/0xf8 [ 81.749167][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 81.750119][ T4962] truncate_inode_pages+0x2c/0x3c [ 81.750981][ T4962] dbUnmount+0xf4/0x168 [ 81.751702][ T4962] jfs_umount+0x1c4/0x328 [ 81.752396][ T4962] jfs_put_super+0x90/0x188 [ 81.753180][ T4962] generic_shutdown_super+0x130/0x2f0 [ 81.753997][ T4962] kill_block_super+0x70/0xdc [ 81.754765][ T4962] deactivate_locked_super+0xb8/0x134 [ 81.755653][ T4962] deactivate_super+0xf0/0x110 [ 81.756447][ T4962] cleanup_mnt+0x3b8/0x46c [ 81.757188][ T4962] __cleanup_mnt+0x20/0x30 [ 81.757941][ T4962] task_work_run+0x12c/0x1d8 [ 81.758641][ T4962] do_notify_resume+0x2450/0x309c [ 81.759485][ T4962] el0_svc+0xf0/0x1d0 [ 81.760142][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 81.760974][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 81.762925][ T4962] BUG: Bad page state in process syz-executor pfn:1022f1 [ 81.764037][ T4962] page:00000000fcb59a77 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x1022f1 [ 81.765580][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.767165][ T4962] raw: 05ffc00000002006 fffffc0003b2ae88 ffff80001fa675c0 0000000000000000 [ 81.768665][ T4962] raw: 0000000000000003 ffff0000d65648b8 00000000ffffffff 0000000000000000 [ 81.769995][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.771164][ T4962] Modules linked in: [ 81.771839][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.773326][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.774941][ T4962] Call trace: [ 81.775466][ T4962] dump_backtrace+0x0/0x458 [ 81.776231][ T4962] show_stack+0x2c/0x3c [ 81.776956][ T4962] __dump_stack+0x30/0x40 [ 81.777649][ T4962] dump_stack_lvl+0xf4/0x15c [ 81.778423][ T4962] dump_stack+0x1c/0x5c [ 81.779046][ T4962] bad_page+0x188/0x1a8 [ 81.779767][ T4962] check_free_page_bad+0xf4/0x16c [ 81.780599][ T4962] free_unref_page_prepare+0x738/0xa84 [ 81.781581][ T4962] free_unref_page_list+0xdc/0x730 [ 81.782375][ T4962] release_pages+0x13bc/0x16dc [ 81.783100][ T4962] __pagevec_release+0x84/0xf8 [ 81.783860][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 81.784790][ T4962] truncate_inode_pages+0x2c/0x3c [ 81.785596][ T4962] dbUnmount+0xf4/0x168 [ 81.786338][ T4962] jfs_umount+0x1c4/0x328 [ 81.787130][ T4962] jfs_put_super+0x90/0x188 [ 81.787932][ T4962] generic_shutdown_super+0x130/0x2f0 [ 81.788862][ T4962] kill_block_super+0x70/0xdc [ 81.789709][ T4962] deactivate_locked_super+0xb8/0x134 [ 81.790646][ T4962] deactivate_super+0xf0/0x110 [ 81.791420][ T4962] cleanup_mnt+0x3b8/0x46c [ 81.792173][ T4962] __cleanup_mnt+0x20/0x30 [ 81.792895][ T4962] task_work_run+0x12c/0x1d8 [ 81.793624][ T4962] do_notify_resume+0x2450/0x309c [ 81.794453][ T4962] el0_svc+0xf0/0x1d0 [ 81.795096][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 81.795940][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.005762][ T4962] BUG: Bad page state in process syz-executor pfn:12be87 [ 82.007101][ T4962] page:000000002a85958a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12be87 [ 82.008758][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.010267][ T4962] raw: 05ffc00000002006 fffffc0003670708 ffff80001fa675c0 0000000000000000 [ 82.011576][ T4962] raw: 0000000000000004 ffff0000ce4a69b0 00000000ffffffff 0000000000000000 [ 82.013270][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.014331][ T4962] Modules linked in: [ 82.015003][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.016352][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.018024][ T4962] Call trace: [ 82.018561][ T4962] dump_backtrace+0x0/0x458 [ 82.019221][ T4962] show_stack+0x2c/0x3c [ 82.019920][ T4962] __dump_stack+0x30/0x40 [ 82.020646][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.021355][ T4962] dump_stack+0x1c/0x5c [ 82.022009][ T4962] bad_page+0x188/0x1a8 [ 82.022340][ T4060] Bluetooth: hci0: command 0x041b tx timeout [ 82.022727][ T4962] check_free_page_bad+0xf4/0x16c [ 82.024565][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.025451][ T4962] free_unref_page_list+0xdc/0x730 [ 82.026322][ T4962] release_pages+0x13bc/0x16dc [ 82.027142][ T4962] __pagevec_release+0x84/0xf8 [ 82.027912][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.028825][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.029637][ T4962] dbUnmount+0xf4/0x168 [ 82.030296][ T4962] jfs_umount+0x1c4/0x328 [ 82.031006][ T4962] jfs_put_super+0x90/0x188 [ 82.031754][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.032617][ T4962] kill_block_super+0x70/0xdc [ 82.033405][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.034346][ T4962] deactivate_super+0xf0/0x110 [ 82.035171][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.035880][ T4962] __cleanup_mnt+0x20/0x30 [ 82.036609][ T4962] task_work_run+0x12c/0x1d8 [ 82.037390][ T4962] do_notify_resume+0x2450/0x309c [ 82.038244][ T4962] el0_svc+0xf0/0x1d0 [ 82.038832][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.039648][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.040600][ T4962] BUG: Bad page state in process syz-executor pfn:119c1c [ 82.041695][ T4962] page:000000009564af04 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x119c1c [ 82.043369][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.044929][ T4962] raw: 05ffc00000002006 fffffc0003b14808 ffff80001fa675c0 0000000000000000 [ 82.046379][ T4962] raw: 0000000000000003 ffff0000ce4a6aa8 00000000ffffffff 0000000000000000 [ 82.047761][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.048920][ T4962] Modules linked in: [ 82.049614][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.051028][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.052702][ T4962] Call trace: [ 82.053213][ T4962] dump_backtrace+0x0/0x458 [ 82.054009][ T4962] show_stack+0x2c/0x3c [ 82.054660][ T4962] __dump_stack+0x30/0x40 [ 82.055395][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.056231][ T4962] dump_stack+0x1c/0x5c [ 82.056915][ T4962] bad_page+0x188/0x1a8 [ 82.057633][ T4962] check_free_page_bad+0xf4/0x16c [ 82.058567][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.059492][ T4962] free_unref_page_list+0xdc/0x730 [ 82.060375][ T4962] release_pages+0x13bc/0x16dc [ 82.061162][ T4962] __pagevec_release+0x84/0xf8 [ 82.061894][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.062804][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.063662][ T4962] dbUnmount+0xf4/0x168 [ 82.064321][ T4962] jfs_umount+0x1c4/0x328 [ 82.065072][ T4962] jfs_put_super+0x90/0x188 [ 82.065853][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.066784][ T4962] kill_block_super+0x70/0xdc [ 82.067631][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.068559][ T4962] deactivate_super+0xf0/0x110 [ 82.069352][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.070084][ T4962] __cleanup_mnt+0x20/0x30 [ 82.070815][ T4962] task_work_run+0x12c/0x1d8 [ 82.071645][ T4962] do_notify_resume+0x2450/0x309c [ 82.072492][ T4962] el0_svc+0xf0/0x1d0 [ 82.073143][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.073973][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.243884][ T4962] BUG: Bad page state in process syz-executor pfn:1144e8 [ 82.245103][ T4962] page:00000000317cc143 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1144e8 [ 82.246869][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.248484][ T4962] raw: 05ffc00000002006 fffffc000304d6c8 ffff80001fa675c0 0000000000000000 [ 82.250016][ T4962] raw: 0000000000000004 ffff0000eba59ba0 00000000ffffffff 0000000000000000 [ 82.251356][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.253221][ T4962] Modules linked in: [ 82.253854][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.255286][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.256927][ T4962] Call trace: [ 82.257424][ T4962] dump_backtrace+0x0/0x458 [ 82.258118][ T4962] show_stack+0x2c/0x3c [ 82.258768][ T4962] __dump_stack+0x30/0x40 [ 82.259414][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.260135][ T4962] dump_stack+0x1c/0x5c [ 82.260795][ T4962] bad_page+0x188/0x1a8 [ 82.261438][ T4962] check_free_page_bad+0xf4/0x16c [ 82.262253][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.263104][ T4962] free_unref_page_list+0xdc/0x730 [ 82.263886][ T4962] release_pages+0x13bc/0x16dc [ 82.264626][ T4962] __pagevec_release+0x84/0xf8 [ 82.265368][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.266297][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.267115][ T4962] dbUnmount+0xf4/0x168 [ 82.267791][ T4962] jfs_umount+0x1c4/0x328 [ 82.268451][ T4962] jfs_put_super+0x90/0x188 [ 82.269228][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.270093][ T4962] kill_block_super+0x70/0xdc [ 82.270859][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.271687][ T4962] deactivate_super+0xf0/0x110 [ 82.272495][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.273197][ T4962] __cleanup_mnt+0x20/0x30 [ 82.273887][ T4962] task_work_run+0x12c/0x1d8 [ 82.274605][ T4962] do_notify_resume+0x2450/0x309c [ 82.275389][ T4962] el0_svc+0xf0/0x1d0 [ 82.276036][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.276856][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.278588][ T4962] BUG: Bad page state in process syz-executor pfn:10135b [ 82.279724][ T4962] page:000000000c57deb7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10135b [ 82.281370][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.283184][ T4962] raw: 05ffc00000002006 fffffc0003451608 ffff80001fa675c0 0000000000000000 [ 82.284523][ T4962] raw: 0000000000000003 ffff0000eba59c98 00000000ffffffff 0000000000000000 [ 82.285923][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.287133][ T4962] Modules linked in: [ 82.287821][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.289268][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.290950][ T4962] Call trace: [ 82.291441][ T4962] dump_backtrace+0x0/0x458 [ 82.292161][ T4962] show_stack+0x2c/0x3c [ 82.292807][ T4962] __dump_stack+0x30/0x40 [ 82.293495][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.294236][ T4962] dump_stack+0x1c/0x5c [ 82.294903][ T4962] bad_page+0x188/0x1a8 [ 82.295587][ T4962] check_free_page_bad+0xf4/0x16c [ 82.296425][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.297244][ T4962] free_unref_page_list+0xdc/0x730 [ 82.298048][ T4962] release_pages+0x13bc/0x16dc [ 82.298778][ T4962] __pagevec_release+0x84/0xf8 [ 82.299549][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.300555][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.301374][ T4962] dbUnmount+0xf4/0x168 [ 82.302071][ T4962] jfs_umount+0x1c4/0x328 [ 82.302819][ T4962] jfs_put_super+0x90/0x188 [ 82.303625][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.304525][ T4962] kill_block_super+0x70/0xdc [ 82.305317][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.306244][ T4962] deactivate_super+0xf0/0x110 [ 82.307105][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.307843][ T4962] __cleanup_mnt+0x20/0x30 [ 82.308585][ T4962] task_work_run+0x12c/0x1d8 [ 82.309378][ T4962] do_notify_resume+0x2450/0x309c [ 82.310204][ T4962] el0_svc+0xf0/0x1d0 [ 82.310850][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.311653][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.492273][ T4962] BUG: Bad page state in process syz-executor pfn:11e610 [ 82.493920][ T4962] page:00000000efe73218 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11e610 [ 82.495550][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.497172][ T4962] raw: 05ffc00000002006 fffffc0003adf088 ffff80001fa675c0 0000000000000000 [ 82.498630][ T4962] raw: 0000000000000004 ffff0000eda73000 00000000ffffffff 0000000000000000 [ 82.500100][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.501220][ T4962] Modules linked in: [ 82.501857][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.503396][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.504931][ T4962] Call trace: [ 82.505486][ T4962] dump_backtrace+0x0/0x458 [ 82.506228][ T4962] show_stack+0x2c/0x3c [ 82.506929][ T4962] __dump_stack+0x30/0x40 [ 82.507652][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.508429][ T4962] dump_stack+0x1c/0x5c [ 82.509094][ T4962] bad_page+0x188/0x1a8 [ 82.509834][ T4962] check_free_page_bad+0xf4/0x16c [ 82.510670][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.511571][ T4962] free_unref_page_list+0xdc/0x730 [ 82.512397][ T4962] release_pages+0x13bc/0x16dc [ 82.513225][ T4962] __pagevec_release+0x84/0xf8 [ 82.514044][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.515017][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.515879][ T4962] dbUnmount+0xf4/0x168 [ 82.516527][ T4962] jfs_umount+0x1c4/0x328 [ 82.517214][ T4962] jfs_put_super+0x90/0x188 [ 82.518024][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.518909][ T4962] kill_block_super+0x70/0xdc [ 82.519663][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.520544][ T4962] deactivate_super+0xf0/0x110 [ 82.521350][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.522113][ T4962] __cleanup_mnt+0x20/0x30 [ 82.522778][ T4962] task_work_run+0x12c/0x1d8 [ 82.523573][ T4962] do_notify_resume+0x2450/0x309c [ 82.524479][ T4962] el0_svc+0xf0/0x1d0 [ 82.525125][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.526047][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.526913][ T4962] BUG: Bad page state in process syz-executor pfn:12b7c2 [ 82.528106][ T4962] page:00000000caaba714 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12b7c2 [ 82.529816][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.531380][ T4962] raw: 05ffc00000002006 fffffc00031f36c8 ffff80001fa675c0 0000000000000000 [ 82.533369][ T4962] raw: 0000000000000003 ffff0000eda730f8 00000000ffffffff 0000000000000000 [ 82.534827][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.536120][ T4962] Modules linked in: [ 82.536775][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.538222][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.539902][ T4962] Call trace: [ 82.540448][ T4962] dump_backtrace+0x0/0x458 [ 82.541200][ T4962] show_stack+0x2c/0x3c [ 82.541899][ T4962] __dump_stack+0x30/0x40 [ 82.542598][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.543375][ T4962] dump_stack+0x1c/0x5c [ 82.544072][ T4962] bad_page+0x188/0x1a8 [ 82.544819][ T4962] check_free_page_bad+0xf4/0x16c [ 82.545705][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.546661][ T4962] free_unref_page_list+0xdc/0x730 [ 82.547527][ T4962] release_pages+0x13bc/0x16dc [ 82.548293][ T4962] __pagevec_release+0x84/0xf8 [ 82.549097][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.550022][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.550864][ T4962] dbUnmount+0xf4/0x168 [ 82.551561][ T4962] jfs_umount+0x1c4/0x328 [ 82.552312][ T4962] jfs_put_super+0x90/0x188 [ 82.553077][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.553948][ T4962] kill_block_super+0x70/0xdc [ 82.554659][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.555534][ T4962] deactivate_super+0xf0/0x110 [ 82.556316][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.557025][ T4962] __cleanup_mnt+0x20/0x30 [ 82.557720][ T4962] task_work_run+0x12c/0x1d8 [ 82.558532][ T4962] do_notify_resume+0x2450/0x309c [ 82.559366][ T4962] el0_svc+0xf0/0x1d0 [ 82.560019][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.560892][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.749693][ T4962] BUG: Bad page state in process syz-executor pfn:101bae [ 82.750861][ T4962] page:00000000bb4e1045 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x101bae [ 82.752636][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.754196][ T4962] raw: 05ffc00000002006 fffffc0003b25008 ffff80001fa675c0 0000000000000000 [ 82.755676][ T4962] raw: 0000000000000004 ffff0000d7af81f0 00000000ffffffff 0000000000000000 [ 82.757079][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.758211][ T4962] Modules linked in: [ 82.758922][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.760467][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.762089][ T4962] Call trace: [ 82.762622][ T4962] dump_backtrace+0x0/0x458 [ 82.763385][ T4962] show_stack+0x2c/0x3c [ 82.764094][ T4962] __dump_stack+0x30/0x40 [ 82.764856][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.765527][ T4962] dump_stack+0x1c/0x5c [ 82.766153][ T4962] bad_page+0x188/0x1a8 [ 82.766819][ T4962] check_free_page_bad+0xf4/0x16c [ 82.767628][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.768567][ T4962] free_unref_page_list+0xdc/0x730 [ 82.769472][ T4962] release_pages+0x13bc/0x16dc [ 82.770289][ T4962] __pagevec_release+0x84/0xf8 [ 82.771137][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.772118][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.772969][ T4962] dbUnmount+0xf4/0x168 [ 82.773657][ T4962] jfs_umount+0x1c4/0x328 [ 82.774419][ T4962] jfs_put_super+0x90/0x188 [ 82.775207][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.776062][ T4962] kill_block_super+0x70/0xdc [ 82.776875][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.777807][ T4962] deactivate_super+0xf0/0x110 [ 82.778605][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.779313][ T4962] __cleanup_mnt+0x20/0x30 [ 82.780062][ T4962] task_work_run+0x12c/0x1d8 [ 82.780791][ T4962] do_notify_resume+0x2450/0x309c [ 82.781580][ T4962] el0_svc+0xf0/0x1d0 [ 82.782191][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.782999][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 82.784222][ T4962] BUG: Bad page state in process syz-executor pfn:12c940 [ 82.785445][ T4962] page:0000000099625584 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12c940 [ 82.787112][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.788745][ T4962] raw: 05ffc00000002006 fffffc00031e3088 ffff80001fa675c0 0000000000000000 [ 82.790230][ T4962] raw: 0000000000000003 ffff0000d7af82e8 00000000ffffffff 0000000000000000 [ 82.791607][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.796217][ T4962] Modules linked in: [ 82.796890][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.798454][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.800175][ T4962] Call trace: [ 82.800724][ T4962] dump_backtrace+0x0/0x458 [ 82.801461][ T4962] show_stack+0x2c/0x3c [ 82.802137][ T4962] __dump_stack+0x30/0x40 [ 82.802915][ T4962] dump_stack_lvl+0xf4/0x15c [ 82.803778][ T4962] dump_stack+0x1c/0x5c [ 82.804554][ T4962] bad_page+0x188/0x1a8 [ 82.805228][ T4962] check_free_page_bad+0xf4/0x16c [ 82.805958][ T4962] free_unref_page_prepare+0x738/0xa84 [ 82.806869][ T4962] free_unref_page_list+0xdc/0x730 [ 82.807753][ T4962] release_pages+0x13bc/0x16dc [ 82.808574][ T4962] __pagevec_release+0x84/0xf8 [ 82.809454][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 82.810499][ T4962] truncate_inode_pages+0x2c/0x3c [ 82.811374][ T4962] dbUnmount+0xf4/0x168 [ 82.812117][ T4962] jfs_umount+0x1c4/0x328 [ 82.812887][ T4962] jfs_put_super+0x90/0x188 [ 82.813664][ T4962] generic_shutdown_super+0x130/0x2f0 [ 82.814604][ T4962] kill_block_super+0x70/0xdc [ 82.815451][ T4962] deactivate_locked_super+0xb8/0x134 [ 82.816374][ T4962] deactivate_super+0xf0/0x110 [ 82.817234][ T4962] cleanup_mnt+0x3b8/0x46c [ 82.818024][ T4962] __cleanup_mnt+0x20/0x30 [ 82.818735][ T4962] task_work_run+0x12c/0x1d8 [ 82.819460][ T4962] do_notify_resume+0x2450/0x309c [ 82.820339][ T4962] el0_svc+0xf0/0x1d0 [ 82.820981][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 82.821830][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.002075][ T4962] BUG: Bad page state in process syz-executor pfn:11b7a9 [ 83.003412][ T4962] page:0000000090b7d602 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b7a9 [ 83.004962][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.006701][ T4962] raw: 05ffc00000002006 fffffc00036de988 ffff80001fa675c0 0000000000000000 [ 83.008112][ T4962] raw: 0000000000000004 ffff0000ce64b7c0 00000000ffffffff 0000000000000000 [ 83.009851][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.010925][ T4962] Modules linked in: [ 83.011612][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.013171][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.014987][ T4962] Call trace: [ 83.015523][ T4962] dump_backtrace+0x0/0x458 [ 83.016298][ T4962] show_stack+0x2c/0x3c [ 83.017031][ T4962] __dump_stack+0x30/0x40 [ 83.017762][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.018622][ T4962] dump_stack+0x1c/0x5c [ 83.019329][ T4962] bad_page+0x188/0x1a8 [ 83.020057][ T4962] check_free_page_bad+0xf4/0x16c [ 83.020949][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.021823][ T4962] free_unref_page_list+0xdc/0x730 [ 83.022648][ T4962] release_pages+0x13bc/0x16dc [ 83.023372][ T4962] __pagevec_release+0x84/0xf8 [ 83.024088][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.025014][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.025766][ T4962] dbUnmount+0xf4/0x168 [ 83.026479][ T4962] jfs_umount+0x1c4/0x328 [ 83.027196][ T4962] jfs_put_super+0x90/0x188 [ 83.027910][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.028838][ T4962] kill_block_super+0x70/0xdc [ 83.029620][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.030514][ T4962] deactivate_super+0xf0/0x110 [ 83.031247][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.031905][ T4962] __cleanup_mnt+0x20/0x30 [ 83.032685][ T4962] task_work_run+0x12c/0x1d8 [ 83.033540][ T4962] do_notify_resume+0x2450/0x309c [ 83.034365][ T4962] el0_svc+0xf0/0x1d0 [ 83.035007][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.035893][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.037015][ T4962] BUG: Bad page state in process syz-executor pfn:11b7a6 [ 83.038138][ T4962] page:00000000fab470de refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11b7a6 [ 83.039773][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.041252][ T4962] raw: 05ffc00000002006 fffffc0003b706c8 ffff80001fa675c0 0000000000000000 [ 83.042834][ T4962] raw: 0000000000000003 ffff0000ce64b8b8 00000000ffffffff 0000000000000000 1970/01/01 00:01:23 executed programs: 17 [ 83.044482][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.045637][ T4962] Modules linked in: [ 83.046275][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.047697][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.049310][ T4962] Call trace: [ 83.049812][ T4962] dump_backtrace+0x0/0x458 [ 83.050549][ T4962] show_stack+0x2c/0x3c [ 83.051178][ T4962] __dump_stack+0x30/0x40 [ 83.051873][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.052631][ T4962] dump_stack+0x1c/0x5c [ 83.053359][ T4962] bad_page+0x188/0x1a8 [ 83.054055][ T4962] check_free_page_bad+0xf4/0x16c [ 83.054922][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.055905][ T4962] free_unref_page_list+0xdc/0x730 [ 83.056817][ T4962] release_pages+0x13bc/0x16dc [ 83.057574][ T4962] __pagevec_release+0x84/0xf8 [ 83.058314][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.059262][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.060084][ T4962] dbUnmount+0xf4/0x168 [ 83.060748][ T4962] jfs_umount+0x1c4/0x328 [ 83.061477][ T4962] jfs_put_super+0x90/0x188 [ 83.062180][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.063029][ T4962] kill_block_super+0x70/0xdc [ 83.063828][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.064760][ T4962] deactivate_super+0xf0/0x110 [ 83.065581][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.066322][ T4962] __cleanup_mnt+0x20/0x30 [ 83.067036][ T4962] task_work_run+0x12c/0x1d8 [ 83.067815][ T4962] do_notify_resume+0x2450/0x309c [ 83.068582][ T4962] el0_svc+0xf0/0x1d0 [ 83.069182][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.069978][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.256966][ T4962] BUG: Bad page state in process syz-executor pfn:12c30f [ 83.258256][ T4962] page:00000000e10e34cc refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c30f [ 83.260037][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.261680][ T4962] raw: 05ffc00000002006 fffffc000367f108 ffff80001fa675c0 0000000000000000 [ 83.266453][ T4962] raw: 0000000000000004 ffff0000de6e63e0 00000000ffffffff 0000000000000000 [ 83.267789][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.268975][ T4962] Modules linked in: [ 83.269625][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.271179][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.273058][ T4962] Call trace: [ 83.273547][ T4962] dump_backtrace+0x0/0x458 [ 83.274315][ T4962] show_stack+0x2c/0x3c [ 83.275039][ T4962] __dump_stack+0x30/0x40 [ 83.275735][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.276448][ T4962] dump_stack+0x1c/0x5c [ 83.277110][ T4962] bad_page+0x188/0x1a8 [ 83.277836][ T4962] check_free_page_bad+0xf4/0x16c [ 83.278654][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.279558][ T4962] free_unref_page_list+0xdc/0x730 [ 83.280381][ T4962] release_pages+0x13bc/0x16dc [ 83.281126][ T4962] __pagevec_release+0x84/0xf8 [ 83.281924][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.282877][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.283702][ T4962] dbUnmount+0xf4/0x168 [ 83.284415][ T4962] jfs_umount+0x1c4/0x328 [ 83.285115][ T4962] jfs_put_super+0x90/0x188 [ 83.285875][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.286769][ T4962] kill_block_super+0x70/0xdc [ 83.287475][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.288285][ T4962] deactivate_super+0xf0/0x110 [ 83.289037][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.289715][ T4962] __cleanup_mnt+0x20/0x30 [ 83.290374][ T4962] task_work_run+0x12c/0x1d8 [ 83.291126][ T4962] do_notify_resume+0x2450/0x309c [ 83.291888][ T4962] el0_svc+0xf0/0x1d0 [ 83.292582][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.293377][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.295174][ T4962] BUG: Bad page state in process syz-executor pfn:119fc4 [ 83.296319][ T4962] page:00000000a8567ce6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x119fc4 [ 83.298031][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.299633][ T4962] raw: 05ffc00000002006 fffffc0003293608 ffff80001fa675c0 0000000000000000 [ 83.301116][ T4962] raw: 0000000000000003 ffff0000de6e64d8 00000000ffffffff 0000000000000000 [ 83.303862][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.304967][ T4962] Modules linked in: [ 83.305566][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.307070][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.308886][ T4962] Call trace: [ 83.309409][ T4962] dump_backtrace+0x0/0x458 [ 83.310164][ T4962] show_stack+0x2c/0x3c [ 83.310829][ T4962] __dump_stack+0x30/0x40 [ 83.311585][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.312365][ T4962] dump_stack+0x1c/0x5c [ 83.313060][ T4962] bad_page+0x188/0x1a8 [ 83.313755][ T4962] check_free_page_bad+0xf4/0x16c [ 83.314578][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.315483][ T4962] free_unref_page_list+0xdc/0x730 [ 83.316348][ T4962] release_pages+0x13bc/0x16dc [ 83.317111][ T4962] __pagevec_release+0x84/0xf8 [ 83.317847][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.318754][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.319608][ T4962] dbUnmount+0xf4/0x168 [ 83.320337][ T4962] jfs_umount+0x1c4/0x328 [ 83.321047][ T4962] jfs_put_super+0x90/0x188 [ 83.321810][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.322756][ T4962] kill_block_super+0x70/0xdc [ 83.323470][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.324349][ T4962] deactivate_super+0xf0/0x110 [ 83.325127][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.325815][ T4962] __cleanup_mnt+0x20/0x30 [ 83.326522][ T4962] task_work_run+0x12c/0x1d8 [ 83.327323][ T4962] do_notify_resume+0x2450/0x309c [ 83.328143][ T4962] el0_svc+0xf0/0x1d0 [ 83.328803][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.329669][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.472197][ T4962] BUG: Bad page state in process syz-executor pfn:10e2ac [ 83.473718][ T4962] page:0000000013b8697a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10e2ac [ 83.475239][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.476720][ T4962] raw: 05ffc00000002006 fffffc0003a46e88 ffff80001fa675c0 0000000000000000 [ 83.478029][ T4962] raw: 0000000000000004 ffff0000da28f5d0 00000000ffffffff 0000000000000000 [ 83.479485][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.480660][ T4962] Modules linked in: [ 83.481306][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.482781][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.484621][ T4962] Call trace: [ 83.485182][ T4962] dump_backtrace+0x0/0x458 [ 83.485998][ T4962] show_stack+0x2c/0x3c [ 83.486678][ T4962] __dump_stack+0x30/0x40 [ 83.487358][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.488110][ T4962] dump_stack+0x1c/0x5c [ 83.488774][ T4962] bad_page+0x188/0x1a8 [ 83.489444][ T4962] check_free_page_bad+0xf4/0x16c [ 83.490243][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.491190][ T4962] free_unref_page_list+0xdc/0x730 [ 83.492000][ T4962] release_pages+0x13bc/0x16dc [ 83.492800][ T4962] __pagevec_release+0x84/0xf8 [ 83.493671][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.494677][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.495547][ T4962] dbUnmount+0xf4/0x168 [ 83.496241][ T4962] jfs_umount+0x1c4/0x328 [ 83.497003][ T4962] jfs_put_super+0x90/0x188 [ 83.497783][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.498674][ T4962] kill_block_super+0x70/0xdc [ 83.499539][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.500366][ T4962] deactivate_super+0xf0/0x110 [ 83.501161][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.501896][ T4962] __cleanup_mnt+0x20/0x30 [ 83.502637][ T4962] task_work_run+0x12c/0x1d8 [ 83.503404][ T4962] do_notify_resume+0x2450/0x309c [ 83.504278][ T4962] el0_svc+0xf0/0x1d0 [ 83.505044][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.505878][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.506609][ T4962] BUG: Bad page state in process syz-executor pfn:1291ba [ 83.507682][ T4962] page:00000000cec48a37 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x1291ba [ 83.509319][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.510830][ T4962] raw: 05ffc00000002006 fffffc0003b47dc8 ffff80001fa675c0 0000000000000000 [ 83.512207][ T4962] raw: 0000000000000003 ffff0000da28f6c8 00000000ffffffff 0000000000000000 [ 83.513831][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.515005][ T4962] Modules linked in: [ 83.515590][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.517148][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.518791][ T4962] Call trace: [ 83.519289][ T4962] dump_backtrace+0x0/0x458 [ 83.520068][ T4962] show_stack+0x2c/0x3c [ 83.520748][ T4962] __dump_stack+0x30/0x40 [ 83.521469][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.522176][ T4962] dump_stack+0x1c/0x5c [ 83.522872][ T4962] bad_page+0x188/0x1a8 [ 83.523544][ T4962] check_free_page_bad+0xf4/0x16c [ 83.524429][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.525428][ T4962] free_unref_page_list+0xdc/0x730 [ 83.526281][ T4962] release_pages+0x13bc/0x16dc [ 83.527144][ T4962] __pagevec_release+0x84/0xf8 [ 83.527970][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.528980][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.529892][ T4962] dbUnmount+0xf4/0x168 [ 83.530601][ T4962] jfs_umount+0x1c4/0x328 [ 83.531326][ T4962] jfs_put_super+0x90/0x188 [ 83.532079][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.532982][ T4962] kill_block_super+0x70/0xdc [ 83.533722][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.534636][ T4962] deactivate_super+0xf0/0x110 [ 83.535453][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.536181][ T4962] __cleanup_mnt+0x20/0x30 [ 83.536883][ T4962] task_work_run+0x12c/0x1d8 [ 83.537601][ T4962] do_notify_resume+0x2450/0x309c [ 83.538382][ T4962] el0_svc+0xf0/0x1d0 [ 83.539020][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.539836][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.732373][ T4962] BUG: Bad page state in process syz-executor pfn:119350 [ 83.733510][ T4962] page:000000002194c992 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x119350 [ 83.735155][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.736574][ T4962] raw: 05ffc00000002006 fffffc0003356248 ffff80001fa675c0 0000000000000000 [ 83.738079][ T4962] raw: 0000000000000004 ffff0000d1746000 00000000ffffffff 0000000000000000 [ 83.739500][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.740737][ T4962] Modules linked in: [ 83.741392][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.742856][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.744563][ T4962] Call trace: [ 83.745123][ T4962] dump_backtrace+0x0/0x458 [ 83.745882][ T4962] show_stack+0x2c/0x3c [ 83.746537][ T4962] __dump_stack+0x30/0x40 [ 83.747264][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.748037][ T4962] dump_stack+0x1c/0x5c [ 83.748693][ T4962] bad_page+0x188/0x1a8 [ 83.749338][ T4962] check_free_page_bad+0xf4/0x16c [ 83.750121][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.751018][ T4962] free_unref_page_list+0xdc/0x730 [ 83.751911][ T4962] release_pages+0x13bc/0x16dc [ 83.752715][ T4962] __pagevec_release+0x84/0xf8 [ 83.753464][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.754450][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.755388][ T4962] dbUnmount+0xf4/0x168 [ 83.756056][ T4962] jfs_umount+0x1c4/0x328 [ 83.756790][ T4962] jfs_put_super+0x90/0x188 [ 83.757558][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.758448][ T4962] kill_block_super+0x70/0xdc [ 83.759270][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.760186][ T4962] deactivate_super+0xf0/0x110 [ 83.761023][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.761720][ T4962] __cleanup_mnt+0x20/0x30 [ 83.762482][ T4962] task_work_run+0x12c/0x1d8 [ 83.763238][ T4962] do_notify_resume+0x2450/0x309c [ 83.764010][ T4962] el0_svc+0xf0/0x1d0 [ 83.764654][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.765400][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.766247][ T4962] BUG: Bad page state in process syz-executor pfn:10d589 [ 83.767342][ T4962] page:0000000033b525e5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10d589 [ 83.768919][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.770483][ T4962] raw: 05ffc00000002006 fffffc0003af44c8 ffff80001fa675c0 0000000000000000 [ 83.771781][ T4962] raw: 0000000000000003 ffff0000d17460f8 00000000ffffffff 0000000000000000 [ 83.773454][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.774528][ T4962] Modules linked in: [ 83.775092][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.776570][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.778173][ T4962] Call trace: [ 83.778691][ T4962] dump_backtrace+0x0/0x458 [ 83.779434][ T4962] show_stack+0x2c/0x3c [ 83.780086][ T4962] __dump_stack+0x30/0x40 [ 83.780792][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.781560][ T4962] dump_stack+0x1c/0x5c [ 83.782263][ T4962] bad_page+0x188/0x1a8 [ 83.782977][ T4962] check_free_page_bad+0xf4/0x16c [ 83.783790][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.784690][ T4962] free_unref_page_list+0xdc/0x730 [ 83.785576][ T4962] release_pages+0x13bc/0x16dc [ 83.786366][ T4962] __pagevec_release+0x84/0xf8 [ 83.787151][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 83.788115][ T4962] truncate_inode_pages+0x2c/0x3c [ 83.789004][ T4962] dbUnmount+0xf4/0x168 [ 83.789684][ T4962] jfs_umount+0x1c4/0x328 [ 83.790321][ T4962] jfs_put_super+0x90/0x188 [ 83.791488][ T4962] generic_shutdown_super+0x130/0x2f0 [ 83.792393][ T4962] kill_block_super+0x70/0xdc [ 83.793205][ T4962] deactivate_locked_super+0xb8/0x134 [ 83.794050][ T4962] deactivate_super+0xf0/0x110 [ 83.794754][ T4962] cleanup_mnt+0x3b8/0x46c [ 83.795450][ T4962] __cleanup_mnt+0x20/0x30 [ 83.796188][ T4962] task_work_run+0x12c/0x1d8 [ 83.796992][ T4962] do_notify_resume+0x2450/0x309c [ 83.797888][ T4962] el0_svc+0xf0/0x1d0 [ 83.798556][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 83.799443][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 83.979405][ T4962] BUG: Bad page state in process syz-executor pfn:12dbba [ 83.980612][ T4962] page:000000004cdffce3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12dbba [ 83.982581][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.984132][ T4962] raw: 05ffc00000002006 fffffc0003ada248 ffff80001fa675c0 0000000000000000 [ 83.985615][ T4962] raw: 0000000000000004 ffff0000db28c1f0 00000000ffffffff 0000000000000000 [ 83.987124][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.988356][ T4962] Modules linked in: [ 83.989042][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.990596][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.992394][ T4962] Call trace: [ 83.992915][ T4962] dump_backtrace+0x0/0x458 [ 83.993733][ T4962] show_stack+0x2c/0x3c [ 83.994429][ T4962] __dump_stack+0x30/0x40 [ 83.995178][ T4962] dump_stack_lvl+0xf4/0x15c [ 83.995932][ T4962] dump_stack+0x1c/0x5c [ 83.996591][ T4962] bad_page+0x188/0x1a8 [ 83.997320][ T4962] check_free_page_bad+0xf4/0x16c [ 83.998179][ T4962] free_unref_page_prepare+0x738/0xa84 [ 83.999121][ T4962] free_unref_page_list+0xdc/0x730 [ 83.999951][ T4962] release_pages+0x13bc/0x16dc [ 84.000827][ T4962] __pagevec_release+0x84/0xf8 [ 84.001597][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.002552][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.003370][ T4962] dbUnmount+0xf4/0x168 [ 84.004060][ T4962] jfs_umount+0x1c4/0x328 [ 84.004704][ T4962] jfs_put_super+0x90/0x188 [ 84.005456][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.006353][ T4962] kill_block_super+0x70/0xdc [ 84.007137][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.008016][ T4962] deactivate_super+0xf0/0x110 [ 84.008789][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.009548][ T4962] __cleanup_mnt+0x20/0x30 [ 84.010269][ T4962] task_work_run+0x12c/0x1d8 [ 84.010985][ T4962] do_notify_resume+0x2450/0x309c [ 84.011796][ T4962] el0_svc+0xf0/0x1d0 [ 84.012487][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.013337][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.014375][ T4962] BUG: Bad page state in process syz-executor pfn:12b689 [ 84.015469][ T4962] page:000000004eff3e1f refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12b689 [ 84.017124][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.018762][ T4962] raw: 05ffc00000002006 fffffc0003bf1888 ffff80001fa675c0 0000000000000000 [ 84.020278][ T4962] raw: 0000000000000003 ffff0000db28c2e8 00000000ffffffff 0000000000000000 [ 84.021554][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.023283][ T4962] Modules linked in: [ 84.023950][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.025506][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.027144][ T4962] Call trace: [ 84.027697][ T4962] dump_backtrace+0x0/0x458 [ 84.028432][ T4962] show_stack+0x2c/0x3c [ 84.029121][ T4962] __dump_stack+0x30/0x40 [ 84.029782][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.030506][ T4962] dump_stack+0x1c/0x5c [ 84.031189][ T4962] bad_page+0x188/0x1a8 [ 84.031875][ T4962] check_free_page_bad+0xf4/0x16c [ 84.032750][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.033614][ T4962] free_unref_page_list+0xdc/0x730 [ 84.034460][ T4962] release_pages+0x13bc/0x16dc [ 84.035145][ T4962] __pagevec_release+0x84/0xf8 [ 84.035875][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.036771][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.037580][ T4962] dbUnmount+0xf4/0x168 [ 84.038258][ T4962] jfs_umount+0x1c4/0x328 [ 84.038984][ T4962] jfs_put_super+0x90/0x188 [ 84.039785][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.040657][ T4962] kill_block_super+0x70/0xdc [ 84.041351][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.042150][ T4962] deactivate_super+0xf0/0x110 [ 84.042865][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.043526][ T4962] __cleanup_mnt+0x20/0x30 [ 84.044187][ T4962] task_work_run+0x12c/0x1d8 [ 84.045000][ T4962] do_notify_resume+0x2450/0x309c [ 84.045893][ T4962] el0_svc+0xf0/0x1d0 [ 84.046575][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.047391][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.092429][ T4060] Bluetooth: hci0: command 0x040f tx timeout [ 84.235414][ T4962] BUG: Bad page state in process syz-executor pfn:1010f4 [ 84.236642][ T4962] page:000000004e3dcd03 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1010f4 [ 84.238428][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.240243][ T4962] raw: 05ffc00000002006 fffffc00035634c8 ffff80001fa675c0 0000000000000000 [ 84.241536][ T4962] raw: 0000000000000004 ffff0000c25d53e0 00000000ffffffff 0000000000000000 [ 84.243154][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.244242][ T4962] Modules linked in: [ 84.244863][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.246197][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.247721][ T4962] Call trace: [ 84.248288][ T4962] dump_backtrace+0x0/0x458 [ 84.249000][ T4962] show_stack+0x2c/0x3c [ 84.249626][ T4962] __dump_stack+0x30/0x40 [ 84.250298][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.251073][ T4962] dump_stack+0x1c/0x5c [ 84.251711][ T4962] bad_page+0x188/0x1a8 [ 84.252352][ T4962] check_free_page_bad+0xf4/0x16c [ 84.253136][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.253990][ T4962] free_unref_page_list+0xdc/0x730 [ 84.254794][ T4962] release_pages+0x13bc/0x16dc [ 84.255515][ T4962] __pagevec_release+0x84/0xf8 [ 84.256260][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.257068][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.257772][ T4962] dbUnmount+0xf4/0x168 [ 84.258381][ T4962] jfs_umount+0x1c4/0x328 [ 84.259020][ T4962] jfs_put_super+0x90/0x188 [ 84.259677][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.260504][ T4962] kill_block_super+0x70/0xdc [ 84.261228][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.262031][ T4962] deactivate_super+0xf0/0x110 [ 84.262756][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.263437][ T4962] __cleanup_mnt+0x20/0x30 [ 84.264137][ T4962] task_work_run+0x12c/0x1d8 [ 84.264836][ T4962] do_notify_resume+0x2450/0x309c [ 84.265604][ T4962] el0_svc+0xf0/0x1d0 [ 84.266215][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.267067][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.268120][ T4962] BUG: Bad page state in process syz-executor pfn:1158d3 [ 84.269223][ T4962] page:000000003dc490a4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x1158d3 [ 84.270883][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.272635][ T4962] raw: 05ffc00000002006 fffffc0003b63c08 ffff80001fa675c0 0000000000000000 [ 84.273952][ T4962] raw: 0000000000000003 ffff0000c25d54d8 00000000ffffffff 0000000000000000 [ 84.275294][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.276461][ T4962] Modules linked in: [ 84.277037][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.278486][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.280276][ T4962] Call trace: [ 84.280833][ T4962] dump_backtrace+0x0/0x458 [ 84.281564][ T4962] show_stack+0x2c/0x3c [ 84.282176][ T4962] __dump_stack+0x30/0x40 [ 84.282910][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.283694][ T4962] dump_stack+0x1c/0x5c [ 84.284359][ T4962] bad_page+0x188/0x1a8 [ 84.285078][ T4962] check_free_page_bad+0xf4/0x16c [ 84.285825][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.286721][ T4962] free_unref_page_list+0xdc/0x730 [ 84.287606][ T4962] release_pages+0x13bc/0x16dc [ 84.288458][ T4962] __pagevec_release+0x84/0xf8 [ 84.289280][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.290215][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.291076][ T4962] dbUnmount+0xf4/0x168 [ 84.291797][ T4962] jfs_umount+0x1c4/0x328 [ 84.292470][ T4962] jfs_put_super+0x90/0x188 [ 84.293298][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.294226][ T4962] kill_block_super+0x70/0xdc [ 84.295058][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.296060][ T4962] deactivate_super+0xf0/0x110 [ 84.296866][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.297612][ T4962] __cleanup_mnt+0x20/0x30 [ 84.298368][ T4962] task_work_run+0x12c/0x1d8 [ 84.299133][ T4962] do_notify_resume+0x2450/0x309c [ 84.299977][ T4962] el0_svc+0xf0/0x1d0 [ 84.300673][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.301576][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.423732][ T5135] set_capacity_and_notify: 10 callbacks suppressed [ 84.423741][ T5135] loop0: detected capacity change from 0 to 32768 [ 84.511268][ T4962] BUG: Bad page state in process syz-executor pfn:10249b [ 84.512631][ T4962] page:0000000006c78c6c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10249b [ 84.514255][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.515765][ T4962] raw: 05ffc00000002006 fffffc0003bf2d88 ffff80001fa675c0 0000000000000000 [ 84.517202][ T4962] raw: 0000000000000004 ffff0000ce1955d0 00000000ffffffff 0000000000000000 [ 84.518690][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.519943][ T4962] Modules linked in: [ 84.520624][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.522113][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.523784][ T4962] Call trace: [ 84.524331][ T4962] dump_backtrace+0x0/0x458 [ 84.525096][ T4962] show_stack+0x2c/0x3c [ 84.525805][ T4962] __dump_stack+0x30/0x40 [ 84.526537][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.527279][ T4962] dump_stack+0x1c/0x5c [ 84.528001][ T4962] bad_page+0x188/0x1a8 [ 84.528732][ T4962] check_free_page_bad+0xf4/0x16c [ 84.529572][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.530483][ T4962] free_unref_page_list+0xdc/0x730 [ 84.531328][ T4962] release_pages+0x13bc/0x16dc [ 84.532069][ T4962] __pagevec_release+0x84/0xf8 [ 84.532831][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.533713][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.534525][ T4962] dbUnmount+0xf4/0x168 [ 84.535184][ T4962] jfs_umount+0x1c4/0x328 [ 84.535829][ T4962] jfs_put_super+0x90/0x188 [ 84.536569][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.537382][ T4962] kill_block_super+0x70/0xdc [ 84.538205][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.539084][ T4962] deactivate_super+0xf0/0x110 [ 84.539970][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.540714][ T4962] __cleanup_mnt+0x20/0x30 [ 84.541501][ T4962] task_work_run+0x12c/0x1d8 [ 84.542317][ T4962] do_notify_resume+0x2450/0x309c [ 84.543227][ T4962] el0_svc+0xf0/0x1d0 [ 84.543912][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.544824][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.545647][ T4962] BUG: Bad page state in process syz-executor pfn:12fcb6 [ 84.546804][ T4962] page:000000002e0fb055 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12fcb6 [ 84.548324][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.549777][ T4962] raw: 05ffc00000002006 fffffc0003393ec8 ffff80001fa675c0 0000000000000000 [ 84.551269][ T4962] raw: 0000000000000003 ffff0000ce1956c8 00000000ffffffff 0000000000000000 [ 84.553070][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.554153][ T4962] Modules linked in: [ 84.554810][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.556405][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.558174][ T4962] Call trace: [ 84.558702][ T4962] dump_backtrace+0x0/0x458 [ 84.559399][ T4962] show_stack+0x2c/0x3c [ 84.560068][ T4962] __dump_stack+0x30/0x40 [ 84.560767][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.561526][ T4962] dump_stack+0x1c/0x5c [ 84.562229][ T4962] bad_page+0x188/0x1a8 [ 84.562931][ T4962] check_free_page_bad+0xf4/0x16c [ 84.563818][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.564738][ T4962] free_unref_page_list+0xdc/0x730 [ 84.565606][ T4962] release_pages+0x13bc/0x16dc [ 84.566355][ T4962] __pagevec_release+0x84/0xf8 [ 84.567149][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.568158][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.569053][ T4962] dbUnmount+0xf4/0x168 [ 84.569746][ T4962] jfs_umount+0x1c4/0x328 [ 84.570515][ T4962] jfs_put_super+0x90/0x188 [ 84.571302][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.572211][ T4962] kill_block_super+0x70/0xdc [ 84.573002][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.574013][ T4962] deactivate_super+0xf0/0x110 [ 84.574808][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.575558][ T4962] __cleanup_mnt+0x20/0x30 [ 84.576297][ T4962] task_work_run+0x12c/0x1d8 [ 84.577028][ T4962] do_notify_resume+0x2450/0x309c [ 84.577900][ T4962] el0_svc+0xf0/0x1d0 [ 84.578572][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.579344][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.717628][ T5137] loop0: detected capacity change from 0 to 32768 [ 84.772731][ T4962] BUG: Bad page state in process syz-executor pfn:12d94c [ 84.774267][ T4962] page:000000009d82cdb5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12d94c [ 84.776014][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.777593][ T4962] raw: 05ffc00000002006 fffffc0003375a08 ffff80001fa675c0 0000000000000000 [ 84.778981][ T4962] raw: 0000000000000004 ffff0000c24de7c0 00000000ffffffff 0000000000000000 [ 84.780440][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.781610][ T4962] Modules linked in: [ 84.783712][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.785090][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.786675][ T4962] Call trace: [ 84.787279][ T4962] dump_backtrace+0x0/0x458 [ 84.788027][ T4962] show_stack+0x2c/0x3c [ 84.788695][ T4962] __dump_stack+0x30/0x40 [ 84.789357][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.790067][ T4962] dump_stack+0x1c/0x5c [ 84.790755][ T4962] bad_page+0x188/0x1a8 [ 84.791376][ T4962] check_free_page_bad+0xf4/0x16c [ 84.792143][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.793141][ T4962] free_unref_page_list+0xdc/0x730 [ 84.794052][ T4962] release_pages+0x13bc/0x16dc [ 84.794850][ T4962] __pagevec_release+0x84/0xf8 [ 84.795671][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.796658][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.797553][ T4962] dbUnmount+0xf4/0x168 [ 84.798271][ T4962] jfs_umount+0x1c4/0x328 [ 84.798978][ T4962] jfs_put_super+0x90/0x188 [ 84.799747][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.800734][ T4962] kill_block_super+0x70/0xdc [ 84.801516][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.802467][ T4962] deactivate_super+0xf0/0x110 [ 84.803284][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.804026][ T4962] __cleanup_mnt+0x20/0x30 [ 84.804816][ T4962] task_work_run+0x12c/0x1d8 [ 84.805652][ T4962] do_notify_resume+0x2450/0x309c [ 84.806561][ T4962] el0_svc+0xf0/0x1d0 [ 84.807261][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.808163][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.808996][ T4962] BUG: Bad page state in process syz-executor pfn:10dd68 [ 84.810306][ T4962] page:000000009ef68013 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10dd68 [ 84.811895][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.814213][ T4962] raw: 05ffc00000002006 fffffc00034d9688 ffff80001fa675c0 0000000000000000 [ 84.815644][ T4962] raw: 0000000000000003 ffff0000c24de8b8 00000000ffffffff 0000000000000000 [ 84.817047][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.818012][ T4962] Modules linked in: [ 84.818549][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.819872][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.821469][ T4962] Call trace: [ 84.821974][ T4962] dump_backtrace+0x0/0x458 [ 84.822753][ T4962] show_stack+0x2c/0x3c [ 84.823440][ T4962] __dump_stack+0x30/0x40 [ 84.824251][ T4962] dump_stack_lvl+0xf4/0x15c [ 84.825035][ T4962] dump_stack+0x1c/0x5c [ 84.825816][ T4962] bad_page+0x188/0x1a8 [ 84.826495][ T4962] check_free_page_bad+0xf4/0x16c [ 84.827389][ T4962] free_unref_page_prepare+0x738/0xa84 [ 84.828363][ T4962] free_unref_page_list+0xdc/0x730 [ 84.829293][ T4962] release_pages+0x13bc/0x16dc [ 84.830063][ T4962] __pagevec_release+0x84/0xf8 [ 84.830903][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 84.831845][ T4962] truncate_inode_pages+0x2c/0x3c [ 84.832676][ T4962] dbUnmount+0xf4/0x168 [ 84.833411][ T4962] jfs_umount+0x1c4/0x328 [ 84.834152][ T4962] jfs_put_super+0x90/0x188 [ 84.834965][ T4962] generic_shutdown_super+0x130/0x2f0 [ 84.835970][ T4962] kill_block_super+0x70/0xdc [ 84.836754][ T4962] deactivate_locked_super+0xb8/0x134 [ 84.837653][ T4962] deactivate_super+0xf0/0x110 [ 84.838428][ T4962] cleanup_mnt+0x3b8/0x46c [ 84.839160][ T4962] __cleanup_mnt+0x20/0x30 [ 84.839934][ T4962] task_work_run+0x12c/0x1d8 [ 84.840720][ T4962] do_notify_resume+0x2450/0x309c [ 84.841552][ T4962] el0_svc+0xf0/0x1d0 [ 84.842234][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 84.843077][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 84.947389][ T5139] loop0: detected capacity change from 0 to 32768 [ 85.017251][ T4962] BUG: Bad page state in process syz-executor pfn:10afcc [ 85.018511][ T4962] page:00000000d068251d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10afcc [ 85.020329][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.022086][ T4962] raw: 05ffc00000002006 fffffc0003b6d8c8 ffff80001fa675c0 0000000000000000 [ 85.023666][ T4962] raw: 0000000000000004 ffff0000d25d19b0 00000000ffffffff 0000000000000000 [ 85.024991][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.026247][ T4962] Modules linked in: [ 85.026877][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.028319][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.030063][ T4962] Call trace: [ 85.030638][ T4962] dump_backtrace+0x0/0x458 [ 85.031394][ T4962] show_stack+0x2c/0x3c [ 85.032078][ T4962] __dump_stack+0x30/0x40 [ 85.032829][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.033605][ T4962] dump_stack+0x1c/0x5c [ 85.034298][ T4962] bad_page+0x188/0x1a8 [ 85.034996][ T4962] check_free_page_bad+0xf4/0x16c [ 85.035843][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.036736][ T4962] free_unref_page_list+0xdc/0x730 [ 85.037618][ T4962] release_pages+0x13bc/0x16dc [ 85.038382][ T4962] __pagevec_release+0x84/0xf8 [ 85.039185][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.040161][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.041087][ T4962] dbUnmount+0xf4/0x168 [ 85.041762][ T4962] jfs_umount+0x1c4/0x328 [ 85.042544][ T4962] jfs_put_super+0x90/0x188 [ 85.043290][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.044152][ T4962] kill_block_super+0x70/0xdc [ 85.044931][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.045795][ T4962] deactivate_super+0xf0/0x110 [ 85.046623][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.047372][ T4962] __cleanup_mnt+0x20/0x30 [ 85.048196][ T4962] task_work_run+0x12c/0x1d8 [ 85.049003][ T4962] do_notify_resume+0x2450/0x309c [ 85.049820][ T4962] el0_svc+0xf0/0x1d0 [ 85.050463][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.051280][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.052099][ T4962] BUG: Bad page state in process syz-executor pfn:12db63 [ 85.053501][ T4962] page:000000001f5ee6a1 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12db63 [ 85.055078][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.056677][ T4962] raw: 05ffc00000002006 fffffc0003b6f1c8 ffff80001fa675c0 0000000000000000 [ 85.058144][ T4962] raw: 0000000000000003 ffff0000d25d1aa8 00000000ffffffff 0000000000000000 [ 85.059568][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.060698][ T4962] Modules linked in: [ 85.061341][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.062908][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.064628][ T4962] Call trace: [ 85.065193][ T4962] dump_backtrace+0x0/0x458 [ 85.065979][ T4962] show_stack+0x2c/0x3c [ 85.066682][ T4962] __dump_stack+0x30/0x40 [ 85.067437][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.068174][ T4962] dump_stack+0x1c/0x5c [ 85.068858][ T4962] bad_page+0x188/0x1a8 [ 85.069586][ T4962] check_free_page_bad+0xf4/0x16c [ 85.070485][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.071458][ T4962] free_unref_page_list+0xdc/0x730 [ 85.072297][ T4962] release_pages+0x13bc/0x16dc [ 85.073078][ T4962] __pagevec_release+0x84/0xf8 [ 85.073919][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.074889][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.075790][ T4962] dbUnmount+0xf4/0x168 [ 85.076526][ T4962] jfs_umount+0x1c4/0x328 [ 85.077257][ T4962] jfs_put_super+0x90/0x188 [ 85.078005][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.078928][ T4962] kill_block_super+0x70/0xdc [ 85.079760][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.080714][ T4962] deactivate_super+0xf0/0x110 [ 85.081571][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.082398][ T4962] __cleanup_mnt+0x20/0x30 [ 85.083164][ T4962] task_work_run+0x12c/0x1d8 [ 85.083925][ T4962] do_notify_resume+0x2450/0x309c [ 85.084772][ T4962] el0_svc+0xf0/0x1d0 [ 85.085456][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.086295][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.208581][ T5141] loop0: detected capacity change from 0 to 32768 [ 85.263858][ T4962] BUG: Bad page state in process syz-executor pfn:112975 [ 85.265057][ T4962] page:00000000f732731a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112975 [ 85.266753][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.268392][ T4962] raw: 05ffc00000002006 fffffc0003331588 ffff80001fa675c0 0000000000000000 [ 85.269820][ T4962] raw: 0000000000000004 ffff0000ebab01f0 00000000ffffffff 0000000000000000 [ 85.271254][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.272775][ T4962] Modules linked in: [ 85.273699][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.275066][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.276628][ T4962] Call trace: [ 85.277160][ T4962] dump_backtrace+0x0/0x458 [ 85.277952][ T4962] show_stack+0x2c/0x3c [ 85.278663][ T4962] __dump_stack+0x30/0x40 [ 85.279356][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.280182][ T4962] dump_stack+0x1c/0x5c [ 85.280851][ T4962] bad_page+0x188/0x1a8 [ 85.281478][ T4962] check_free_page_bad+0xf4/0x16c [ 85.282240][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.283062][ T4962] free_unref_page_list+0xdc/0x730 [ 85.284007][ T4962] release_pages+0x13bc/0x16dc [ 85.284851][ T4962] __pagevec_release+0x84/0xf8 [ 85.285701][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.286678][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.287547][ T4962] dbUnmount+0xf4/0x168 [ 85.288291][ T4962] jfs_umount+0x1c4/0x328 [ 85.289052][ T4962] jfs_put_super+0x90/0x188 [ 85.289769][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.290756][ T4962] kill_block_super+0x70/0xdc [ 85.291562][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.292447][ T4962] deactivate_super+0xf0/0x110 [ 85.293302][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.294106][ T4962] __cleanup_mnt+0x20/0x30 [ 85.294901][ T4962] task_work_run+0x12c/0x1d8 [ 85.295680][ T4962] do_notify_resume+0x2450/0x309c [ 85.296592][ T4962] el0_svc+0xf0/0x1d0 [ 85.297284][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.298174][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.299320][ T4962] BUG: Bad page state in process syz-executor pfn:10cc56 [ 85.300547][ T4962] page:000000008a99960d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10cc56 [ 85.302542][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.304144][ T4962] raw: 05ffc00000002006 fffffc0003334608 ffff80001fa675c0 0000000000000000 [ 85.305544][ T4962] raw: 0000000000000003 ffff0000ebab02e8 00000000ffffffff 0000000000000000 [ 85.306971][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.308248][ T4962] Modules linked in: [ 85.308908][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.310318][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.312017][ T4962] Call trace: [ 85.312563][ T4962] dump_backtrace+0x0/0x458 [ 85.313315][ T4962] show_stack+0x2c/0x3c [ 85.314067][ T4962] __dump_stack+0x30/0x40 [ 85.314786][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.315615][ T4962] dump_stack+0x1c/0x5c [ 85.316371][ T4962] bad_page+0x188/0x1a8 [ 85.317066][ T4962] check_free_page_bad+0xf4/0x16c [ 85.317899][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.318882][ T4962] free_unref_page_list+0xdc/0x730 [ 85.319804][ T4962] release_pages+0x13bc/0x16dc [ 85.320630][ T4962] __pagevec_release+0x84/0xf8 [ 85.321392][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.322389][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.323209][ T4962] dbUnmount+0xf4/0x168 [ 85.323940][ T4962] jfs_umount+0x1c4/0x328 [ 85.324697][ T4962] jfs_put_super+0x90/0x188 [ 85.325433][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.326314][ T4962] kill_block_super+0x70/0xdc [ 85.327150][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.328131][ T4962] deactivate_super+0xf0/0x110 [ 85.328990][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.329703][ T4962] __cleanup_mnt+0x20/0x30 [ 85.330419][ T4962] task_work_run+0x12c/0x1d8 [ 85.331182][ T4962] do_notify_resume+0x2450/0x309c [ 85.331939][ T4962] el0_svc+0xf0/0x1d0 [ 85.332622][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.333470][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.450117][ T5143] loop0: detected capacity change from 0 to 32768 [ 85.508346][ T4962] BUG: Bad page state in process syz-executor pfn:1084b1 [ 85.509588][ T4962] page:00000000c57aa6ff refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1084b1 [ 85.511267][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.513030][ T4962] raw: 05ffc00000002006 fffffc00032d9788 ffff80001fa675c0 0000000000000000 [ 85.514448][ T4962] raw: 0000000000000004 ffff0000de5eb3e0 00000000ffffffff 0000000000000000 [ 85.515894][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.517330][ T4962] Modules linked in: [ 85.517944][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.519439][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.521098][ T4962] Call trace: [ 85.521674][ T4962] dump_backtrace+0x0/0x458 [ 85.522509][ T4962] show_stack+0x2c/0x3c [ 85.523243][ T4962] __dump_stack+0x30/0x40 [ 85.523951][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.524724][ T4962] dump_stack+0x1c/0x5c [ 85.525475][ T4962] bad_page+0x188/0x1a8 [ 85.526186][ T4962] check_free_page_bad+0xf4/0x16c [ 85.527038][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.527896][ T4962] free_unref_page_list+0xdc/0x730 [ 85.528758][ T4962] release_pages+0x13bc/0x16dc [ 85.529566][ T4962] __pagevec_release+0x84/0xf8 [ 85.530382][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.531311][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.532151][ T4962] dbUnmount+0xf4/0x168 [ 85.532847][ T4962] jfs_umount+0x1c4/0x328 [ 85.533575][ T4962] jfs_put_super+0x90/0x188 [ 85.534317][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.535243][ T4962] kill_block_super+0x70/0xdc [ 85.536099][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.537057][ T4962] deactivate_super+0xf0/0x110 [ 85.537912][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.538605][ T4962] __cleanup_mnt+0x20/0x30 [ 85.539309][ T4962] task_work_run+0x12c/0x1d8 [ 85.540160][ T4962] do_notify_resume+0x2450/0x309c [ 85.541062][ T4962] el0_svc+0xf0/0x1d0 [ 85.541777][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.542582][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.543469][ T4962] BUG: Bad page state in process syz-executor pfn:10b65e [ 85.544523][ T4962] page:00000000b7ba1ac4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10b65e [ 85.546008][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.547600][ T4962] raw: 05ffc00000002006 fffffc0003454608 ffff80001fa675c0 0000000000000000 [ 85.548903][ T4962] raw: 0000000000000003 ffff0000de5eb4d8 00000000ffffffff 0000000000000000 [ 85.550408][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.551633][ T4962] Modules linked in: [ 85.553177][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.554646][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.556207][ T4962] Call trace: [ 85.556717][ T4962] dump_backtrace+0x0/0x458 [ 85.557485][ T4962] show_stack+0x2c/0x3c [ 85.558192][ T4962] __dump_stack+0x30/0x40 [ 85.558972][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.559677][ T4962] dump_stack+0x1c/0x5c [ 85.560384][ T4962] bad_page+0x188/0x1a8 [ 85.561035][ T4962] check_free_page_bad+0xf4/0x16c [ 85.561863][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.562813][ T4962] free_unref_page_list+0xdc/0x730 [ 85.563694][ T4962] release_pages+0x13bc/0x16dc [ 85.564483][ T4962] __pagevec_release+0x84/0xf8 [ 85.565305][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.566384][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.567200][ T4962] dbUnmount+0xf4/0x168 [ 85.567888][ T4962] jfs_umount+0x1c4/0x328 [ 85.568578][ T4962] jfs_put_super+0x90/0x188 [ 85.569336][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.570184][ T4962] kill_block_super+0x70/0xdc [ 85.570944][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.571817][ T4962] deactivate_super+0xf0/0x110 [ 85.572618][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.573322][ T4962] __cleanup_mnt+0x20/0x30 [ 85.573956][ T4962] task_work_run+0x12c/0x1d8 [ 85.574676][ T4962] do_notify_resume+0x2450/0x309c [ 85.575445][ T4962] el0_svc+0xf0/0x1d0 [ 85.576152][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.577013][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.669357][ T5145] loop0: detected capacity change from 0 to 32768 [ 85.740448][ T4962] BUG: Bad page state in process syz-executor pfn:11246d [ 85.741644][ T4962] page:0000000044bd7ac6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11246d [ 85.744036][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.745508][ T4962] raw: 05ffc00000002006 fffffc0003530688 ffff80001fa675c0 0000000000000000 [ 85.746894][ T4962] raw: 0000000000000004 ffff0000c24a1ba0 00000000ffffffff 0000000000000000 [ 85.748275][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.749491][ T4962] Modules linked in: [ 85.750164][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.751541][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.753163][ T4962] Call trace: [ 85.753725][ T4962] dump_backtrace+0x0/0x458 [ 85.754520][ T4962] show_stack+0x2c/0x3c [ 85.755195][ T4962] __dump_stack+0x30/0x40 [ 85.755862][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.756626][ T4962] dump_stack+0x1c/0x5c [ 85.757338][ T4962] bad_page+0x188/0x1a8 [ 85.758022][ T4962] check_free_page_bad+0xf4/0x16c [ 85.758915][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.759861][ T4962] free_unref_page_list+0xdc/0x730 [ 85.760746][ T4962] release_pages+0x13bc/0x16dc [ 85.761559][ T4962] __pagevec_release+0x84/0xf8 [ 85.762304][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.763233][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.764042][ T4962] dbUnmount+0xf4/0x168 [ 85.764719][ T4962] jfs_umount+0x1c4/0x328 [ 85.765470][ T4962] jfs_put_super+0x90/0x188 [ 85.766182][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.767056][ T4962] kill_block_super+0x70/0xdc [ 85.767857][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.768795][ T4962] deactivate_super+0xf0/0x110 [ 85.769588][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.770312][ T4962] __cleanup_mnt+0x20/0x30 [ 85.771008][ T4962] task_work_run+0x12c/0x1d8 [ 85.771797][ T4962] do_notify_resume+0x2450/0x309c [ 85.772649][ T4962] el0_svc+0xf0/0x1d0 [ 85.773324][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.774135][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.775784][ T4962] BUG: Bad page state in process syz-executor pfn:114c1a [ 85.776901][ T4962] page:00000000ee89e1d0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x114c1a [ 85.778586][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.780237][ T4962] raw: 05ffc00000002006 fffffc00034c4a08 ffff80001fa675c0 0000000000000000 [ 85.781654][ T4962] raw: 0000000000000003 ffff0000c24a1c98 00000000ffffffff 0000000000000000 [ 85.783522][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.784711][ T4962] Modules linked in: [ 85.785325][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.786786][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.788531][ T4962] Call trace: [ 85.789059][ T4962] dump_backtrace+0x0/0x458 [ 85.789818][ T4962] show_stack+0x2c/0x3c [ 85.790508][ T4962] __dump_stack+0x30/0x40 [ 85.791157][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.791915][ T4962] dump_stack+0x1c/0x5c [ 85.792622][ T4962] bad_page+0x188/0x1a8 [ 85.793291][ T4962] check_free_page_bad+0xf4/0x16c [ 85.794141][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.795041][ T4962] free_unref_page_list+0xdc/0x730 [ 85.795887][ T4962] release_pages+0x13bc/0x16dc [ 85.796668][ T4962] __pagevec_release+0x84/0xf8 [ 85.797484][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.798511][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.799430][ T4962] dbUnmount+0xf4/0x168 [ 85.800093][ T4962] jfs_umount+0x1c4/0x328 [ 85.800808][ T4962] jfs_put_super+0x90/0x188 [ 85.801544][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.802461][ T4962] kill_block_super+0x70/0xdc [ 85.803311][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.804192][ T4962] deactivate_super+0xf0/0x110 [ 85.805032][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.805784][ T4962] __cleanup_mnt+0x20/0x30 [ 85.806545][ T4962] task_work_run+0x12c/0x1d8 [ 85.807336][ T4962] do_notify_resume+0x2450/0x309c [ 85.808220][ T4962] el0_svc+0xf0/0x1d0 [ 85.808884][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.809740][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.919045][ T5147] loop0: detected capacity change from 0 to 32768 [ 85.940313][ T4962] BUG: Bad page state in process syz-executor pfn:128c14 [ 85.941564][ T4962] page:0000000047bc25dd refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x128c14 [ 85.943502][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.945136][ T4962] raw: 05ffc00000002006 fffffc0003adf548 ffff80001fa675c0 0000000000000000 [ 85.946555][ T4962] raw: 0000000000000004 ffff0000d19155d0 00000000ffffffff 0000000000000000 [ 85.947959][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.949179][ T4962] Modules linked in: [ 85.949876][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.951286][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.952966][ T4962] Call trace: [ 85.953489][ T4962] dump_backtrace+0x0/0x458 [ 85.954246][ T4962] show_stack+0x2c/0x3c [ 85.954954][ T4962] __dump_stack+0x30/0x40 [ 85.955767][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.956525][ T4962] dump_stack+0x1c/0x5c [ 85.957272][ T4962] bad_page+0x188/0x1a8 [ 85.957951][ T4962] check_free_page_bad+0xf4/0x16c [ 85.958773][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.959589][ T4962] free_unref_page_list+0xdc/0x730 [ 85.960426][ T4962] release_pages+0x13bc/0x16dc [ 85.961201][ T4962] __pagevec_release+0x84/0xf8 [ 85.961948][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.962876][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.963725][ T4962] dbUnmount+0xf4/0x168 [ 85.964417][ T4962] jfs_umount+0x1c4/0x328 [ 85.965126][ T4962] jfs_put_super+0x90/0x188 [ 85.965908][ T4962] generic_shutdown_super+0x130/0x2f0 [ 85.966839][ T4962] kill_block_super+0x70/0xdc [ 85.967590][ T4962] deactivate_locked_super+0xb8/0x134 [ 85.968481][ T4962] deactivate_super+0xf0/0x110 [ 85.969279][ T4962] cleanup_mnt+0x3b8/0x46c [ 85.970034][ T4962] __cleanup_mnt+0x20/0x30 [ 85.970729][ T4962] task_work_run+0x12c/0x1d8 [ 85.971444][ T4962] do_notify_resume+0x2450/0x309c [ 85.972286][ T4962] el0_svc+0xf0/0x1d0 [ 85.972972][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 85.973761][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 85.974600][ T4962] BUG: Bad page state in process syz-executor pfn:12b7d5 [ 85.975716][ T4962] page:0000000043706e08 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12b7d5 [ 85.977303][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.979031][ T4962] raw: 05ffc00000002006 fffffc00034878c8 ffff80001fa675c0 0000000000000000 [ 85.980480][ T4962] raw: 0000000000000003 ffff0000d19156c8 00000000ffffffff 0000000000000000 [ 85.981757][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.983054][ T4962] Modules linked in: [ 85.983630][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.985027][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.986625][ T4962] Call trace: [ 85.987153][ T4962] dump_backtrace+0x0/0x458 [ 85.987898][ T4962] show_stack+0x2c/0x3c [ 85.988556][ T4962] __dump_stack+0x30/0x40 [ 85.989230][ T4962] dump_stack_lvl+0xf4/0x15c [ 85.989966][ T4962] dump_stack+0x1c/0x5c [ 85.990620][ T4962] bad_page+0x188/0x1a8 [ 85.991239][ T4962] check_free_page_bad+0xf4/0x16c [ 85.992058][ T4962] free_unref_page_prepare+0x738/0xa84 [ 85.993018][ T4962] free_unref_page_list+0xdc/0x730 [ 85.993922][ T4962] release_pages+0x13bc/0x16dc [ 85.994748][ T4962] __pagevec_release+0x84/0xf8 [ 85.995629][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 85.996514][ T4962] truncate_inode_pages+0x2c/0x3c [ 85.997315][ T4962] dbUnmount+0xf4/0x168 [ 85.998060][ T4962] jfs_umount+0x1c4/0x328 [ 85.998834][ T4962] jfs_put_super+0x90/0x188 [ 85.999579][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.000407][ T4962] kill_block_super+0x70/0xdc [ 86.001130][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.002010][ T4962] deactivate_super+0xf0/0x110 [ 86.002688][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.003342][ T4962] __cleanup_mnt+0x20/0x30 [ 86.004104][ T4962] task_work_run+0x12c/0x1d8 [ 86.004815][ T4962] do_notify_resume+0x2450/0x309c [ 86.005623][ T4962] el0_svc+0xf0/0x1d0 [ 86.006240][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.007048][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 86.108258][ T5149] loop0: detected capacity change from 0 to 32768 [ 86.172348][ T4184] Bluetooth: hci0: command 0x0419 tx timeout [ 86.174067][ T4962] BUG: Bad page state in process syz-executor pfn:12ba42 [ 86.175235][ T4962] page:00000000ff674b74 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12ba42 [ 86.176957][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.178526][ T4962] raw: 05ffc00000002006 fffffc0003469d88 ffff80001fa675c0 0000000000000000 [ 86.180027][ T4962] raw: 0000000000000004 ffff0000e93d3d90 00000000ffffffff 0000000000000000 [ 86.181554][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.183179][ T4962] Modules linked in: [ 86.183781][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.185250][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.186908][ T4962] Call trace: [ 86.187460][ T4962] dump_backtrace+0x0/0x458 [ 86.188226][ T4962] show_stack+0x2c/0x3c [ 86.188910][ T4962] __dump_stack+0x30/0x40 [ 86.189613][ T4962] dump_stack_lvl+0xf4/0x15c [ 86.190409][ T4962] dump_stack+0x1c/0x5c [ 86.191107][ T4962] bad_page+0x188/0x1a8 [ 86.191761][ T4962] check_free_page_bad+0xf4/0x16c [ 86.192613][ T4962] free_unref_page_prepare+0x738/0xa84 [ 86.193607][ T4962] free_unref_page_list+0xdc/0x730 [ 86.194521][ T4962] release_pages+0x13bc/0x16dc [ 86.195285][ T4962] __pagevec_release+0x84/0xf8 [ 86.196097][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 86.197071][ T4962] truncate_inode_pages+0x2c/0x3c [ 86.197891][ T4962] dbUnmount+0xf4/0x168 [ 86.198608][ T4962] jfs_umount+0x1c4/0x328 [ 86.199288][ T4962] jfs_put_super+0x90/0x188 [ 86.200003][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.200947][ T4962] kill_block_super+0x70/0xdc [ 86.201746][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.202623][ T4962] deactivate_super+0xf0/0x110 [ 86.203395][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.204130][ T4962] __cleanup_mnt+0x20/0x30 [ 86.204879][ T4962] task_work_run+0x12c/0x1d8 [ 86.205641][ T4962] do_notify_resume+0x2450/0x309c [ 86.206514][ T4962] el0_svc+0xf0/0x1d0 [ 86.207164][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.207988][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 86.208918][ T4962] BUG: Bad page state in process syz-executor pfn:111a76 [ 86.210059][ T4962] page:000000005c04e38e refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111a76 [ 86.211663][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.213481][ T4962] raw: 05ffc00000002006 fffffc00036c1448 ffff80001fa675c0 0000000000000000 [ 86.214864][ T4962] raw: 0000000000000003 ffff0000e93d3e88 00000000ffffffff 0000000000000000 [ 86.216233][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.217422][ T4962] Modules linked in: [ 86.218057][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.219573][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.221193][ T4962] Call trace: [ 86.221710][ T4962] dump_backtrace+0x0/0x458 [ 86.222452][ T4962] show_stack+0x2c/0x3c [ 86.223182][ T4962] __dump_stack+0x30/0x40 [ 86.223908][ T4962] dump_stack_lvl+0xf4/0x15c [ 86.224835][ T4962] dump_stack+0x1c/0x5c [ 86.225556][ T4962] bad_page+0x188/0x1a8 [ 86.226233][ T4962] check_free_page_bad+0xf4/0x16c [ 86.227039][ T4962] free_unref_page_prepare+0x738/0xa84 [ 86.227956][ T4962] free_unref_page_list+0xdc/0x730 [ 86.228773][ T4962] release_pages+0x13bc/0x16dc [ 86.229584][ T4962] __pagevec_release+0x84/0xf8 [ 86.230378][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 86.231346][ T4962] truncate_inode_pages+0x2c/0x3c [ 86.232194][ T4962] dbUnmount+0xf4/0x168 [ 86.232946][ T4962] jfs_umount+0x1c4/0x328 [ 86.233697][ T4962] jfs_put_super+0x90/0x188 [ 86.234528][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.235459][ T4962] kill_block_super+0x70/0xdc [ 86.236186][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.237036][ T4962] deactivate_super+0xf0/0x110 [ 86.237766][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.238509][ T4962] __cleanup_mnt+0x20/0x30 [ 86.239331][ T4962] task_work_run+0x12c/0x1d8 [ 86.240187][ T4962] do_notify_resume+0x2450/0x309c [ 86.241037][ T4962] el0_svc+0xf0/0x1d0 [ 86.241683][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.242503][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 86.358230][ T5151] loop0: detected capacity change from 0 to 32768 [ 86.433520][ T4962] BUG: Bad page state in process syz-executor pfn:12b834 [ 86.434796][ T4962] page:00000000731a6d41 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b834 [ 86.436503][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.438054][ T4962] raw: 05ffc00000002006 fffffc00031fec08 ffff80001fa675c0 0000000000000000 [ 86.439436][ T4962] raw: 0000000000000004 ffff0000c93dd000 00000000ffffffff 0000000000000000 [ 86.440799][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.442009][ T4962] Modules linked in: [ 86.443400][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.444775][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.446406][ T4962] Call trace: [ 86.446991][ T4962] dump_backtrace+0x0/0x458 [ 86.447699][ T4962] show_stack+0x2c/0x3c [ 86.448448][ T4962] __dump_stack+0x30/0x40 [ 86.449238][ T4962] dump_stack_lvl+0xf4/0x15c [ 86.450041][ T4962] dump_stack+0x1c/0x5c [ 86.450805][ T4962] bad_page+0x188/0x1a8 [ 86.451512][ T4962] check_free_page_bad+0xf4/0x16c [ 86.452377][ T4962] free_unref_page_prepare+0x738/0xa84 [ 86.453298][ T4962] free_unref_page_list+0xdc/0x730 [ 86.454084][ T4962] release_pages+0x13bc/0x16dc [ 86.454853][ T4962] __pagevec_release+0x84/0xf8 [ 86.455672][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 86.456691][ T4962] truncate_inode_pages+0x2c/0x3c [ 86.457620][ T4962] dbUnmount+0xf4/0x168 [ 86.458403][ T4962] jfs_umount+0x1c4/0x328 [ 86.459178][ T4962] jfs_put_super+0x90/0x188 [ 86.459922][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.460812][ T4962] kill_block_super+0x70/0xdc [ 86.461579][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.462492][ T4962] deactivate_super+0xf0/0x110 [ 86.463364][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.464066][ T4962] __cleanup_mnt+0x20/0x30 [ 86.464870][ T4962] task_work_run+0x12c/0x1d8 [ 86.465655][ T4962] do_notify_resume+0x2450/0x309c [ 86.466455][ T4962] el0_svc+0xf0/0x1d0 [ 86.467142][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.467944][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 86.468851][ T4962] BUG: Bad page state in process syz-executor pfn:107fb0 [ 86.470080][ T4962] page:0000000015d8a32b refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x107fb0 [ 86.471876][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.473773][ T4962] raw: 05ffc00000002006 fffffc0003475a08 ffff80001fa675c0 0000000000000000 [ 86.474984][ T4962] raw: 0000000000000003 ffff0000c93dd0f8 00000000ffffffff 0000000000000000 [ 86.476437][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.477617][ T4962] Modules linked in: [ 86.478323][ T4962] CPU: 1 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.479735][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.481260][ T4962] Call trace: [ 86.481736][ T4962] dump_backtrace+0x0/0x458 [ 86.482519][ T4962] show_stack+0x2c/0x3c [ 86.483215][ T4962] __dump_stack+0x30/0x40 [ 86.483889][ T4962] dump_stack_lvl+0xf4/0x15c [ 86.484705][ T4962] dump_stack+0x1c/0x5c [ 86.485377][ T4962] bad_page+0x188/0x1a8 [ 86.486000][ T4962] check_free_page_bad+0xf4/0x16c [ 86.486826][ T4962] free_unref_page_prepare+0x738/0xa84 [ 86.487731][ T4962] free_unref_page_list+0xdc/0x730 [ 86.488590][ T4962] release_pages+0x13bc/0x16dc [ 86.489334][ T4962] __pagevec_release+0x84/0xf8 [ 86.490152][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 86.491155][ T4962] truncate_inode_pages+0x2c/0x3c [ 86.492047][ T4962] dbUnmount+0xf4/0x168 [ 86.492804][ T4962] jfs_umount+0x1c4/0x328 [ 86.493534][ T4962] jfs_put_super+0x90/0x188 [ 86.494297][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.495226][ T4962] kill_block_super+0x70/0xdc [ 86.496003][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.496890][ T4962] deactivate_super+0xf0/0x110 [ 86.497663][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.498410][ T4962] __cleanup_mnt+0x20/0x30 [ 86.499059][ T4962] task_work_run+0x12c/0x1d8 [ 86.499833][ T4962] do_notify_resume+0x2450/0x309c [ 86.500717][ T4962] el0_svc+0xf0/0x1d0 [ 86.501359][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.502147][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 86.628528][ T5153] loop0: detected capacity change from 0 to 32768 [ 86.679272][ T4962] BUG: Bad page state in process syz-executor pfn:108b15 [ 86.680563][ T4962] page:000000001f4b452b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108b15 [ 86.682212][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.683969][ T4962] raw: 05ffc00000002006 fffffc0003376c88 ffff80001fa675c0 0000000000000000 [ 86.685375][ T4962] raw: 0000000000000004 ffff0000d30bc7c0 00000000ffffffff 0000000000000000 [ 86.686750][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.688004][ T4962] Modules linked in: [ 86.688673][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.690075][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.691755][ T4962] Call trace: [ 86.692282][ T4962] dump_backtrace+0x0/0x458 [ 86.693025][ T4962] show_stack+0x2c/0x3c [ 86.693682][ T4962] __dump_stack+0x30/0x40 [ 86.694355][ T4962] dump_stack_lvl+0xf4/0x15c [ 86.695067][ T4962] dump_stack+0x1c/0x5c [ 86.695830][ T4962] bad_page+0x188/0x1a8 [ 86.696498][ T4962] check_free_page_bad+0xf4/0x16c [ 86.697392][ T4962] free_unref_page_prepare+0x738/0xa84 [ 86.698344][ T4962] free_unref_page_list+0xdc/0x730 [ 86.699235][ T4962] release_pages+0x13bc/0x16dc [ 86.699996][ T4962] __pagevec_release+0x84/0xf8 [ 86.700845][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 86.701796][ T4962] truncate_inode_pages+0x2c/0x3c [ 86.702584][ T4962] dbUnmount+0xf4/0x168 [ 86.703307][ T4962] jfs_umount+0x1c4/0x328 [ 86.704067][ T4962] jfs_put_super+0x90/0x188 [ 86.704807][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.705670][ T4962] kill_block_super+0x70/0xdc [ 86.706450][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.707335][ T4962] deactivate_super+0xf0/0x110 [ 86.708155][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.708926][ T4962] __cleanup_mnt+0x20/0x30 [ 86.709670][ T4962] task_work_run+0x12c/0x1d8 [ 86.710448][ T4962] do_notify_resume+0x2450/0x309c [ 86.711231][ T4962] el0_svc+0xf0/0x1d0 [ 86.711856][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.712724][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 86.713529][ T4962] BUG: Bad page state in process syz-executor pfn:10ddb2 [ 86.714629][ T4962] page:00000000d7cab5f6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10ddb2 [ 86.716222][ T4962] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.717651][ T4962] raw: 05ffc00000002006 fffffc000368a708 ffff80001fa675c0 0000000000000000 [ 86.718999][ T4962] raw: 0000000000000003 ffff0000d30bc8b8 00000000ffffffff 0000000000000000 [ 86.720352][ T4962] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.721612][ T4962] Modules linked in: [ 86.722255][ T4962] CPU: 0 PID: 4962 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.723764][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.725431][ T4962] Call trace: [ 86.725980][ T4962] dump_backtrace+0x0/0x458 [ 86.726765][ T4962] show_stack+0x2c/0x3c [ 86.727461][ T4962] __dump_stack+0x30/0x40 [ 86.728148][ T4962] dump_stack_lvl+0xf4/0x15c [ 86.728908][ T4962] dump_stack+0x1c/0x5c [ 86.729627][ T4962] bad_page+0x188/0x1a8 [ 86.730330][ T4962] check_free_page_bad+0xf4/0x16c [ 86.731174][ T4962] free_unref_page_prepare+0x738/0xa84 [ 86.732062][ T4962] free_unref_page_list+0xdc/0x730 [ 86.732904][ T4962] release_pages+0x13bc/0x16dc [ 86.733710][ T4962] __pagevec_release+0x84/0xf8 [ 86.734552][ T4962] truncate_inode_pages_range+0x2c8/0xa04 [ 86.735577][ T4962] truncate_inode_pages+0x2c/0x3c [ 86.736402][ T4962] dbUnmount+0xf4/0x168 [ 86.737118][ T4962] jfs_umount+0x1c4/0x328 [ 86.737866][ T4962] jfs_put_super+0x90/0x188 [ 86.738603][ T4962] generic_shutdown_super+0x130/0x2f0 [ 86.739534][ T4962] kill_block_super+0x70/0xdc [ 86.740318][ T4962] deactivate_locked_super+0xb8/0x134 [ 86.741168][ T4962] deactivate_super+0xf0/0x110 [ 86.741932][ T4962] cleanup_mnt+0x3b8/0x46c [ 86.742607][ T4962] __cleanup_mnt+0x20/0x30 [ 86.743325][ T4962] task_work_run+0x12c/0x1d8 [ 86.744119][ T4962] do_notify_resume+0x2450/0x309c [ 86.744951][ T4962] el0_svc+0xf0/0x1d0 [ 86.745604][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 86.746381][ T4962] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:28 executed programs: 40