Warning: Permanently added '10.128.0.216' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 parsed 1 programs [ 62.808170][ T4391] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.146431][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.148183][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.149524][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.158912][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.160234][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.161648][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.749126][ T4550] chnl_net:caif_netlink_parms(): no params data found [ 64.769450][ T4550] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.770743][ T4550] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.772376][ T4550] device bridge_slave_0 entered promiscuous mode [ 64.774392][ T4550] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.775606][ T4550] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.777110][ T4550] device bridge_slave_1 entered promiscuous mode [ 64.785205][ T4550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.788522][ T4550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.796358][ T4550] team0: Port device team_slave_0 added [ 64.798635][ T4550] team0: Port device team_slave_1 added [ 64.805681][ T4550] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.806913][ T4550] 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. [ 64.811532][ T4550] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.813804][ T4550] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.814849][ T4550] 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. [ 64.818890][ T4550] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.878776][ T4550] device hsr_slave_0 entered promiscuous mode [ 64.917878][ T4550] device hsr_slave_1 entered promiscuous mode [ 65.474580][ T4550] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.508961][ T4550] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.548940][ T4550] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.570533][ T4550] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.650562][ T4550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.654276][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.655756][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.659370][ T4550] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.661843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.663445][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.664844][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.665999][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.667473][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.677622][ T4550] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.679733][ T4550] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.682495][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.684170][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.685538][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.686577][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.688905][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.690483][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.692185][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.693776][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.695285][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.697314][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.699428][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.700946][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.702619][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.704063][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.705498][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.707084][ T410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.759551][ T4550] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.760859][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.762176][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.768990][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.770567][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.785878][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.787490][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.790965][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.792410][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.796874][ T4550] device veth0_vlan entered promiscuous mode [ 65.801355][ T4550] device veth1_vlan entered promiscuous mode [ 65.810835][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.812364][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.813812][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.815381][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.829542][ T4550] device veth0_macvtap entered promiscuous mode [ 65.832845][ T4550] device veth1_macvtap entered promiscuous mode [ 65.844818][ T4550] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.846110][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.848161][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.849690][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.851515][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.854845][ T4550] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.856970][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.859718][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.862004][ T4550] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.863391][ T4550] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.864815][ T4550] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.866174][ T4550] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:06 executed programs: 0 [ 66.273469][ T4713] chnl_net:caif_netlink_parms(): no params data found [ 66.293556][ T4713] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.294785][ T4713] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.296411][ T4713] device bridge_slave_0 entered promiscuous mode [ 66.299048][ T4713] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.300184][ T4713] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.301645][ T4713] device bridge_slave_1 entered promiscuous mode [ 66.309958][ T4713] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.312559][ T4713] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.322608][ T4713] team0: Port device team_slave_0 added [ 66.324428][ T4713] team0: Port device team_slave_1 added [ 66.331491][ T4713] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.332601][ T4713] 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. [ 66.336495][ T4713] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.340424][ T4713] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.341440][ T4713] 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. [ 66.345287][ T4713] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.389775][ T4713] device hsr_slave_0 entered promiscuous mode [ 66.438012][ T4713] device hsr_slave_1 entered promiscuous mode [ 66.477840][ T4713] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.479105][ T4713] Cannot create hsr debugfs directory [ 66.511725][ T4713] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.238131][ T4650] Bluetooth: hci0: command 0x0409 tx timeout [ 68.881014][ T4713] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.598991][ T3340] cfg80211: failed to load regulatory.db [ 69.599998][ T2066] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.601511][ T2066] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.317680][ T4177] Bluetooth: hci0: command 0x041b tx timeout [ 71.141064][ T4713] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.171988][ T4713] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.340179][ T4713] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.369612][ T4713] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.399047][ T4713] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.439125][ T4713] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.530889][ T4713] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.534676][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.536220][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.548502][ T4713] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.550975][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.552605][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.554047][ T1731] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.555123][ T1731] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.556528][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.567261][ T4713] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.569391][ T4713] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.571808][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.573453][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.575341][ T1731] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.576527][ T1731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.578175][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.579769][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.581455][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.583301][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.584888][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.586466][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.588704][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.590219][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.591767][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.593250][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.594666][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.596068][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.636620][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.638059][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.641663][ T4713] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.648071][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.649743][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.655621][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.657109][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.659104][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.660508][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.662748][ T4713] device veth0_vlan entered promiscuous mode [ 71.666139][ T4713] device veth1_vlan entered promiscuous mode [ 71.673217][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.674776][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.676216][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.678365][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.681562][ T4713] device veth0_macvtap entered promiscuous mode [ 71.683960][ T4713] device veth1_macvtap entered promiscuous mode [ 71.688892][ T4713] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.690737][ T4713] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.692891][ T4713] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.694181][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.695835][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.697246][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.699378][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.701927][ T4713] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.703602][ T4713] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.705801][ T4713] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.706972][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.709558][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.718918][ T4713] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.720316][ T4713] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.721802][ T4713] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.723273][ T4713] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.743458][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.744762][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.746165][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.752101][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.753454][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.755036][ T1731] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:11 executed programs: 2 [ 71.874233][ T4935] loop0: detected capacity change from 0 to 32768 [ 71.952376][ T4713] BUG: Bad page state in process syz-executor pfn:11149e [ 71.953490][ T4713] page:000000008717e4da refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11149e [ 71.957382][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 71.959836][ T4713] raw: 05ffc00000002006 fffffc000346cec8 ffff80001be775c0 0000000000000000 [ 71.961236][ T4713] raw: 0000000000000004 ffff0000d1543000 00000000ffffffff 0000000000000000 [ 71.962640][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 71.963819][ T4713] Modules linked in: [ 71.964434][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Not tainted syzkaller #0 [ 71.965560][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.967233][ T4713] Call trace: [ 71.967707][ T4713] dump_backtrace+0x0/0x458 [ 71.968418][ T4713] show_stack+0x2c/0x3c [ 71.969125][ T4713] __dump_stack+0x30/0x40 [ 71.969916][ T4713] dump_stack_lvl+0xf4/0x15c [ 71.970731][ T4713] dump_stack+0x1c/0x5c [ 71.971396][ T4713] bad_page+0x188/0x1a8 [ 71.972076][ T4713] check_free_page_bad+0xf4/0x16c [ 71.972901][ T4713] free_unref_page_prepare+0x738/0xa84 [ 71.973774][ T4713] free_unref_page_list+0xdc/0x730 [ 71.974609][ T4713] release_pages+0x13bc/0x16dc [ 71.975398][ T4713] __pagevec_release+0x84/0xf8 [ 71.976246][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 71.977197][ T4713] truncate_inode_pages+0x2c/0x3c [ 71.978028][ T4713] dbUnmount+0xf4/0x168 [ 71.978745][ T4713] jfs_umount+0x1c4/0x328 [ 71.979487][ T4713] jfs_put_super+0x90/0x188 [ 71.980273][ T4713] generic_shutdown_super+0x130/0x2f0 [ 71.981221][ T4713] kill_block_super+0x70/0xdc [ 71.982011][ T4713] deactivate_locked_super+0xb8/0x134 [ 71.982801][ T4713] deactivate_super+0xf0/0x110 [ 71.983578][ T4713] cleanup_mnt+0x3b8/0x46c [ 71.984262][ T4713] __cleanup_mnt+0x20/0x30 [ 71.984931][ T4713] task_work_run+0x12c/0x1d8 [ 71.985658][ T4713] do_notify_resume+0x2450/0x309c [ 71.986472][ T4713] el0_svc+0xf0/0x1d0 [ 71.987096][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 71.987951][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 71.990019][ T4713] Disabling lock debugging due to kernel taint [ 71.991587][ T4713] BUG: Bad page state in process syz-executor pfn:111b3b [ 71.992769][ T4713] page:0000000041611eaa refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111b3b [ 71.994464][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 71.996590][ T4713] raw: 05ffc00000002006 fffffc0003b16888 ffff80001be775c0 0000000000000000 [ 71.998493][ T4713] raw: 0000000000000003 ffff0000d15430f8 00000000ffffffff 0000000000000000 [ 71.999902][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.001051][ T4713] Modules linked in: [ 72.001727][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.003169][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.004694][ T4713] Call trace: [ 72.005213][ T4713] dump_backtrace+0x0/0x458 [ 72.005868][ T4713] show_stack+0x2c/0x3c [ 72.006534][ T4713] __dump_stack+0x30/0x40 [ 72.007275][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.008010][ T4713] dump_stack+0x1c/0x5c [ 72.008696][ T4713] bad_page+0x188/0x1a8 [ 72.009375][ T4713] check_free_page_bad+0xf4/0x16c [ 72.010202][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.011103][ T4713] free_unref_page_list+0xdc/0x730 [ 72.011893][ T4713] release_pages+0x13bc/0x16dc [ 72.012609][ T4713] __pagevec_release+0x84/0xf8 [ 72.013363][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.014281][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.015106][ T4713] dbUnmount+0xf4/0x168 [ 72.015795][ T4713] jfs_umount+0x1c4/0x328 [ 72.016457][ T4713] jfs_put_super+0x90/0x188 [ 72.017190][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.018052][ T4713] kill_block_super+0x70/0xdc [ 72.018817][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.019704][ T4713] deactivate_super+0xf0/0x110 [ 72.020559][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.021251][ T4713] __cleanup_mnt+0x20/0x30 [ 72.021968][ T4713] task_work_run+0x12c/0x1d8 [ 72.022832][ T4713] do_notify_resume+0x2450/0x309c [ 72.023723][ T4713] el0_svc+0xf0/0x1d0 [ 72.024385][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.025190][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.136288][ T4938] loop0: detected capacity change from 0 to 32768 [ 72.197135][ T4713] BUG: Bad page state in process syz-executor pfn:10d75a [ 72.198521][ T4713] page:00000000b3f28388 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d75a [ 72.200260][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.201653][ T4713] raw: 05ffc00000002006 fffffc000378bbc8 ffff80001be775c0 0000000000000000 [ 72.202904][ T4713] raw: 0000000000000004 ffff0000e82f71f0 00000000ffffffff 0000000000000000 [ 72.204193][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.205347][ T4713] Modules linked in: [ 72.206020][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.207530][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.209332][ T4713] Call trace: [ 72.209839][ T4713] dump_backtrace+0x0/0x458 [ 72.210589][ T4713] show_stack+0x2c/0x3c [ 72.211257][ T4713] __dump_stack+0x30/0x40 [ 72.211910][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.212612][ T4713] dump_stack+0x1c/0x5c [ 72.213280][ T4713] bad_page+0x188/0x1a8 [ 72.213969][ T4713] check_free_page_bad+0xf4/0x16c [ 72.214706][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.215546][ T4713] free_unref_page_list+0xdc/0x730 [ 72.216367][ T4713] release_pages+0x13bc/0x16dc [ 72.217089][ T4713] __pagevec_release+0x84/0xf8 [ 72.217850][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.218842][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.219763][ T4713] dbUnmount+0xf4/0x168 [ 72.220448][ T4713] jfs_umount+0x1c4/0x328 [ 72.221141][ T4713] jfs_put_super+0x90/0x188 [ 72.221895][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.222760][ T4713] kill_block_super+0x70/0xdc [ 72.223509][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.224407][ T4713] deactivate_super+0xf0/0x110 [ 72.225225][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.225963][ T4713] __cleanup_mnt+0x20/0x30 [ 72.226667][ T4713] task_work_run+0x12c/0x1d8 [ 72.227412][ T4713] do_notify_resume+0x2450/0x309c [ 72.228285][ T4713] el0_svc+0xf0/0x1d0 [ 72.228893][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.229716][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.230824][ T4713] BUG: Bad page state in process syz-executor pfn:11e2ef [ 72.231901][ T4713] page:0000000076d4528c refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11e2ef [ 72.233475][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.235065][ T4713] raw: 05ffc00000002006 fffffc0003266508 ffff80001be775c0 0000000000000000 [ 72.236452][ T4713] raw: 0000000000000003 ffff0000e82f72e8 00000000ffffffff 0000000000000000 [ 72.238350][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.239513][ T4713] Modules linked in: [ 72.240105][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.241538][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.243044][ T4713] Call trace: [ 72.243531][ T4713] dump_backtrace+0x0/0x458 [ 72.244239][ T4713] show_stack+0x2c/0x3c [ 72.244882][ T4713] __dump_stack+0x30/0x40 [ 72.245599][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.246340][ T4713] dump_stack+0x1c/0x5c [ 72.246981][ T4713] bad_page+0x188/0x1a8 [ 72.247590][ T4713] check_free_page_bad+0xf4/0x16c [ 72.248454][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.249308][ T4713] free_unref_page_list+0xdc/0x730 [ 72.250120][ T4713] release_pages+0x13bc/0x16dc [ 72.250949][ T4713] __pagevec_release+0x84/0xf8 [ 72.251744][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.252745][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.253612][ T4713] dbUnmount+0xf4/0x168 [ 72.254245][ T4713] jfs_umount+0x1c4/0x328 [ 72.254980][ T4713] jfs_put_super+0x90/0x188 [ 72.255709][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.256604][ T4713] kill_block_super+0x70/0xdc [ 72.257260][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.258078][ T4713] deactivate_super+0xf0/0x110 [ 72.258817][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.259460][ T4713] __cleanup_mnt+0x20/0x30 [ 72.260165][ T4713] task_work_run+0x12c/0x1d8 [ 72.260886][ T4713] do_notify_resume+0x2450/0x309c [ 72.261727][ T4713] el0_svc+0xf0/0x1d0 [ 72.262317][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.263159][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.374288][ T4940] loop0: detected capacity change from 0 to 32768 [ 72.398245][ T3340] Bluetooth: hci0: command 0x040f tx timeout [ 72.428622][ T4713] BUG: Bad page state in process syz-executor pfn:11305d [ 72.429870][ T4713] page:000000002f7b44b0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11305d [ 72.431607][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.433141][ T4713] raw: 05ffc00000002006 fffffc00032f5c88 ffff80001be775c0 0000000000000000 [ 72.434533][ T4713] raw: 0000000000000004 ffff0000ca3a23e0 00000000ffffffff 0000000000000000 [ 72.435956][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.437247][ T4713] Modules linked in: [ 72.438543][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.440026][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.441598][ T4713] Call trace: [ 72.442145][ T4713] dump_backtrace+0x0/0x458 [ 72.442891][ T4713] show_stack+0x2c/0x3c [ 72.443614][ T4713] __dump_stack+0x30/0x40 [ 72.444391][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.445210][ T4713] dump_stack+0x1c/0x5c [ 72.445947][ T4713] bad_page+0x188/0x1a8 [ 72.446682][ T4713] check_free_page_bad+0xf4/0x16c [ 72.447498][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.448354][ T4713] free_unref_page_list+0xdc/0x730 [ 72.449157][ T4713] release_pages+0x13bc/0x16dc [ 72.449927][ T4713] __pagevec_release+0x84/0xf8 [ 72.450776][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.451739][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.452535][ T4713] dbUnmount+0xf4/0x168 [ 72.453188][ T4713] jfs_umount+0x1c4/0x328 [ 72.453934][ T4713] jfs_put_super+0x90/0x188 [ 72.454687][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.455596][ T4713] kill_block_super+0x70/0xdc [ 72.456344][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.457248][ T4713] deactivate_super+0xf0/0x110 [ 72.458057][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.458811][ T4713] __cleanup_mnt+0x20/0x30 [ 72.459599][ T4713] task_work_run+0x12c/0x1d8 [ 72.460378][ T4713] do_notify_resume+0x2450/0x309c [ 72.461203][ T4713] el0_svc+0xf0/0x1d0 [ 72.461844][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.462698][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.463623][ T4713] BUG: Bad page state in process syz-executor pfn:10bd72 [ 72.464772][ T4713] page:000000007c598e16 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10bd72 [ 72.466347][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.468719][ T4713] raw: 05ffc00000002006 fffffc000333b608 ffff80001be775c0 0000000000000000 [ 72.470164][ T4713] raw: 0000000000000003 ffff0000ca3a24d8 00000000ffffffff 0000000000000000 [ 72.471608][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.472691][ T4713] Modules linked in: [ 72.473297][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.474718][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.476219][ T4713] Call trace: [ 72.476686][ T4713] dump_backtrace+0x0/0x458 [ 72.477379][ T4713] show_stack+0x2c/0x3c [ 72.478043][ T4713] __dump_stack+0x30/0x40 [ 72.478716][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.479497][ T4713] dump_stack+0x1c/0x5c [ 72.480189][ T4713] bad_page+0x188/0x1a8 [ 72.480926][ T4713] check_free_page_bad+0xf4/0x16c [ 72.481685][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.482551][ T4713] free_unref_page_list+0xdc/0x730 [ 72.483316][ T4713] release_pages+0x13bc/0x16dc [ 72.484065][ T4713] __pagevec_release+0x84/0xf8 [ 72.484824][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.485709][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.486500][ T4713] dbUnmount+0xf4/0x168 [ 72.487133][ T4713] jfs_umount+0x1c4/0x328 [ 72.487781][ T4713] jfs_put_super+0x90/0x188 [ 72.488456][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.489274][ T4713] kill_block_super+0x70/0xdc [ 72.489983][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.490781][ T4713] deactivate_super+0xf0/0x110 [ 72.491512][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.492203][ T4713] __cleanup_mnt+0x20/0x30 [ 72.492887][ T4713] task_work_run+0x12c/0x1d8 [ 72.493686][ T4713] do_notify_resume+0x2450/0x309c [ 72.494527][ T4713] el0_svc+0xf0/0x1d0 [ 72.495227][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.496067][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.624042][ T4943] loop0: detected capacity change from 0 to 32768 [ 72.677140][ T4713] BUG: Bad page state in process syz-executor pfn:1078ce [ 72.678693][ T4713] page:00000000938aa601 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1078ce [ 72.680303][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.681855][ T4713] raw: 05ffc00000002006 fffffc00036aec08 ffff80001be775c0 0000000000000000 [ 72.683195][ T4713] raw: 0000000000000004 ffff0000c2755000 00000000ffffffff 0000000000000000 [ 72.684484][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.685699][ T4713] Modules linked in: [ 72.686382][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.687720][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.689321][ T4713] Call trace: [ 72.689832][ T4713] dump_backtrace+0x0/0x458 [ 72.690576][ T4713] show_stack+0x2c/0x3c [ 72.691229][ T4713] __dump_stack+0x30/0x40 [ 72.691947][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.692696][ T4713] dump_stack+0x1c/0x5c [ 72.693346][ T4713] bad_page+0x188/0x1a8 [ 72.694000][ T4713] check_free_page_bad+0xf4/0x16c [ 72.694829][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.695691][ T4713] free_unref_page_list+0xdc/0x730 [ 72.696486][ T4713] release_pages+0x13bc/0x16dc [ 72.697234][ T4713] __pagevec_release+0x84/0xf8 [ 72.697957][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.698862][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.699622][ T4713] dbUnmount+0xf4/0x168 [ 72.700276][ T4713] jfs_umount+0x1c4/0x328 [ 72.700976][ T4713] jfs_put_super+0x90/0x188 [ 72.701676][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.702504][ T4713] kill_block_super+0x70/0xdc [ 72.703279][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.704137][ T4713] deactivate_super+0xf0/0x110 [ 72.704858][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.705544][ T4713] __cleanup_mnt+0x20/0x30 [ 72.706276][ T4713] task_work_run+0x12c/0x1d8 [ 72.707019][ T4713] do_notify_resume+0x2450/0x309c [ 72.707889][ T4713] el0_svc+0xf0/0x1d0 [ 72.708556][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.709380][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.710707][ T4713] BUG: Bad page state in process syz-executor pfn:11abb0 [ 72.711803][ T4713] page:00000000ed3b6606 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11abb0 [ 72.713444][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.715001][ T4713] raw: 05ffc00000002006 fffffc000368d788 ffff80001be775c0 0000000000000000 [ 72.716522][ T4713] raw: 0000000000000003 ffff0000c27550f8 00000000ffffffff 0000000000000000 [ 72.718879][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.720011][ T4713] Modules linked in: [ 72.720698][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.722117][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.723716][ T4713] Call trace: [ 72.724246][ T4713] dump_backtrace+0x0/0x458 [ 72.725004][ T4713] show_stack+0x2c/0x3c [ 72.725700][ T4713] __dump_stack+0x30/0x40 [ 72.726343][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.727061][ T4713] dump_stack+0x1c/0x5c [ 72.727735][ T4713] bad_page+0x188/0x1a8 [ 72.728399][ T4713] check_free_page_bad+0xf4/0x16c [ 72.729200][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.730002][ T4713] free_unref_page_list+0xdc/0x730 [ 72.730910][ T4713] release_pages+0x13bc/0x16dc [ 72.731657][ T4713] __pagevec_release+0x84/0xf8 [ 72.732382][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.733314][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.734098][ T4713] dbUnmount+0xf4/0x168 [ 72.734753][ T4713] jfs_umount+0x1c4/0x328 [ 72.735474][ T4713] jfs_put_super+0x90/0x188 [ 72.736183][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.737051][ T4713] kill_block_super+0x70/0xdc [ 72.737781][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.738712][ T4713] deactivate_super+0xf0/0x110 [ 72.739553][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.740224][ T4713] __cleanup_mnt+0x20/0x30 [ 72.740930][ T4713] task_work_run+0x12c/0x1d8 [ 72.741734][ T4713] do_notify_resume+0x2450/0x309c [ 72.742577][ T4713] el0_svc+0xf0/0x1d0 [ 72.743209][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.744003][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.865118][ T4945] loop0: detected capacity change from 0 to 32768 [ 72.937538][ T4713] BUG: Bad page state in process syz-executor pfn:10df04 [ 72.938883][ T4713] page:0000000011479b77 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10df04 [ 72.940630][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.942203][ T4713] raw: 05ffc00000002006 fffffc00032e5d48 ffff80001be775c0 0000000000000000 [ 72.943544][ T4713] raw: 0000000000000004 ffff0000d308c5d0 00000000ffffffff 0000000000000000 [ 72.944981][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.946183][ T4713] Modules linked in: [ 72.946787][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.948163][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.949772][ T4713] Call trace: [ 72.950280][ T4713] dump_backtrace+0x0/0x458 [ 72.951048][ T4713] show_stack+0x2c/0x3c [ 72.951688][ T4713] __dump_stack+0x30/0x40 [ 72.952373][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.953157][ T4713] dump_stack+0x1c/0x5c [ 72.953839][ T4713] bad_page+0x188/0x1a8 [ 72.954478][ T4713] check_free_page_bad+0xf4/0x16c [ 72.955294][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.956186][ T4713] free_unref_page_list+0xdc/0x730 [ 72.956995][ T4713] release_pages+0x13bc/0x16dc [ 72.957785][ T4713] __pagevec_release+0x84/0xf8 [ 72.958569][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.959512][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.960328][ T4713] dbUnmount+0xf4/0x168 [ 72.961056][ T4713] jfs_umount+0x1c4/0x328 [ 72.961824][ T4713] jfs_put_super+0x90/0x188 [ 72.962582][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.963500][ T4713] kill_block_super+0x70/0xdc [ 72.964266][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.965160][ T4713] deactivate_super+0xf0/0x110 [ 72.965926][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.966604][ T4713] __cleanup_mnt+0x20/0x30 [ 72.967324][ T4713] task_work_run+0x12c/0x1d8 [ 72.968003][ T4713] do_notify_resume+0x2450/0x309c [ 72.968787][ T4713] el0_svc+0xf0/0x1d0 [ 72.969348][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 72.970129][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 72.970997][ T4713] BUG: Bad page state in process syz-executor pfn:10b975 [ 72.972086][ T4713] page:00000000af33f70f refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10b975 [ 72.973768][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 72.975308][ T4713] raw: 05ffc00000002006 fffffc0003245ac8 ffff80001be775c0 0000000000000000 [ 72.976656][ T4713] raw: 0000000000000003 ffff0000d308c6c8 00000000ffffffff 0000000000000000 [ 72.978136][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 72.979228][ T4713] Modules linked in: [ 72.979803][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 72.981116][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.982667][ T4713] Call trace: [ 72.983209][ T4713] dump_backtrace+0x0/0x458 [ 72.983934][ T4713] show_stack+0x2c/0x3c [ 72.984541][ T4713] __dump_stack+0x30/0x40 [ 72.985187][ T4713] dump_stack_lvl+0xf4/0x15c [ 72.985861][ T4713] dump_stack+0x1c/0x5c [ 72.986474][ T4713] bad_page+0x188/0x1a8 [ 72.987184][ T4713] check_free_page_bad+0xf4/0x16c [ 72.988066][ T4713] free_unref_page_prepare+0x738/0xa84 [ 72.988987][ T4713] free_unref_page_list+0xdc/0x730 [ 72.989742][ T4713] release_pages+0x13bc/0x16dc [ 72.990430][ T4713] __pagevec_release+0x84/0xf8 [ 72.991189][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 72.992144][ T4713] truncate_inode_pages+0x2c/0x3c [ 72.992996][ T4713] dbUnmount+0xf4/0x168 [ 72.993651][ T4713] jfs_umount+0x1c4/0x328 [ 72.994362][ T4713] jfs_put_super+0x90/0x188 [ 72.995050][ T4713] generic_shutdown_super+0x130/0x2f0 [ 72.995932][ T4713] kill_block_super+0x70/0xdc [ 72.996710][ T4713] deactivate_locked_super+0xb8/0x134 [ 72.997724][ T4713] deactivate_super+0xf0/0x110 [ 72.998538][ T4713] cleanup_mnt+0x3b8/0x46c [ 72.999254][ T4713] __cleanup_mnt+0x20/0x30 [ 73.000019][ T4713] task_work_run+0x12c/0x1d8 [ 73.000719][ T4713] do_notify_resume+0x2450/0x309c [ 73.001501][ T4713] el0_svc+0xf0/0x1d0 [ 73.002111][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.002887][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.124055][ T4947] loop0: detected capacity change from 0 to 32768 [ 73.192890][ T4713] BUG: Bad page state in process syz-executor pfn:112066 [ 73.194198][ T4713] page:00000000bfba51eb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112066 [ 73.195747][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.197272][ T4713] raw: 05ffc00000002006 fffffc0003b235c8 ffff80001be775c0 0000000000000000 [ 73.199526][ T4713] raw: 0000000000000004 ffff0000cfb592e8 00000000ffffffff 0000000000000000 [ 73.200902][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.202091][ T4713] Modules linked in: [ 73.202742][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.204153][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.205745][ T4713] Call trace: [ 73.206254][ T4713] dump_backtrace+0x0/0x458 [ 73.206912][ T4713] show_stack+0x2c/0x3c [ 73.207537][ T4713] __dump_stack+0x30/0x40 [ 73.208209][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.208925][ T4713] dump_stack+0x1c/0x5c [ 73.209618][ T4713] bad_page+0x188/0x1a8 [ 73.210301][ T4713] check_free_page_bad+0xf4/0x16c [ 73.211147][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.212027][ T4713] free_unref_page_list+0xdc/0x730 [ 73.212818][ T4713] release_pages+0x13bc/0x16dc [ 73.213615][ T4713] __pagevec_release+0x84/0xf8 [ 73.214357][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.215220][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.216034][ T4713] dbUnmount+0xf4/0x168 [ 73.216694][ T4713] jfs_umount+0x1c4/0x328 [ 73.217368][ T4713] jfs_put_super+0x90/0x188 [ 73.218076][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.218866][ T4713] kill_block_super+0x70/0xdc [ 73.219617][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.220428][ T4713] deactivate_super+0xf0/0x110 [ 73.221220][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.221933][ T4713] __cleanup_mnt+0x20/0x30 [ 73.222597][ T4713] task_work_run+0x12c/0x1d8 [ 73.223365][ T4713] do_notify_resume+0x2450/0x309c [ 73.224207][ T4713] el0_svc+0xf0/0x1d0 [ 73.224842][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.225718][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.226802][ T4713] BUG: Bad page state in process syz-executor pfn:12c8d7 [ 73.228090][ T4713] page:00000000f9a6941a refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12c8d7 [ 73.229728][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.231395][ T4713] raw: 05ffc00000002006 fffffc0003283188 ffff80001be775c0 0000000000000000 [ 73.232733][ T4713] raw: 0000000000000003 ffff0000cfb593e0 00000000ffffffff 0000000000000000 [ 73.234076][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.235225][ T4713] Modules linked in: [ 73.235863][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.237271][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.238831][ T4713] Call trace: [ 73.239344][ T4713] dump_backtrace+0x0/0x458 [ 73.240064][ T4713] show_stack+0x2c/0x3c [ 73.240717][ T4713] __dump_stack+0x30/0x40 [ 73.241416][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.242134][ T4713] dump_stack+0x1c/0x5c [ 73.242842][ T4713] bad_page+0x188/0x1a8 [ 73.243552][ T4713] check_free_page_bad+0xf4/0x16c [ 73.244301][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.245197][ T4713] free_unref_page_list+0xdc/0x730 [ 73.246008][ T4713] release_pages+0x13bc/0x16dc [ 73.246761][ T4713] __pagevec_release+0x84/0xf8 [ 73.247524][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.248412][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.249161][ T4713] dbUnmount+0xf4/0x168 [ 73.249833][ T4713] jfs_umount+0x1c4/0x328 [ 73.250540][ T4713] jfs_put_super+0x90/0x188 [ 73.251218][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.252023][ T4713] kill_block_super+0x70/0xdc [ 73.252743][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.253572][ T4713] deactivate_super+0xf0/0x110 [ 73.254371][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.255121][ T4713] __cleanup_mnt+0x20/0x30 [ 73.255939][ T4713] task_work_run+0x12c/0x1d8 [ 73.256677][ T4713] do_notify_resume+0x2450/0x309c [ 73.257476][ T4713] el0_svc+0xf0/0x1d0 [ 73.258135][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.259002][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.318715][ T267] device hsr_slave_0 left promiscuous mode [ 73.347925][ T267] device hsr_slave_1 left promiscuous mode [ 73.389116][ T4950] loop0: detected capacity change from 0 to 32768 [ 73.447757][ T267] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.449086][ T267] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.451278][ T267] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.452988][ T267] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.454373][ T267] device bridge_slave_1 left promiscuous mode [ 73.455432][ T267] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.456852][ T4713] BUG: Bad page state in process syz-executor pfn:11977a [ 73.458426][ T4713] page:0000000090b4bce8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11977a [ 73.459978][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.461494][ T4713] raw: 05ffc00000002006 fffffc0003b237c8 ffff80001be775c0 0000000000000000 [ 73.462770][ T4713] raw: 0000000000000004 ffff0000c8abb4d8 00000000ffffffff 0000000000000000 [ 73.464074][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.465185][ T4713] Modules linked in: [ 73.465781][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.467259][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.468898][ T4713] Call trace: [ 73.469420][ T4713] dump_backtrace+0x0/0x458 [ 73.470196][ T4713] show_stack+0x2c/0x3c [ 73.470894][ T4713] __dump_stack+0x30/0x40 [ 73.471602][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.472395][ T4713] dump_stack+0x1c/0x5c [ 73.473061][ T4713] bad_page+0x188/0x1a8 [ 73.473751][ T4713] check_free_page_bad+0xf4/0x16c [ 73.474533][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.475426][ T4713] free_unref_page_list+0xdc/0x730 [ 73.476283][ T4713] release_pages+0x13bc/0x16dc [ 73.477061][ T4713] __pagevec_release+0x84/0xf8 [ 73.477860][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.478978][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.479803][ T4713] dbUnmount+0xf4/0x168 [ 73.480525][ T4713] jfs_umount+0x1c4/0x328 [ 73.481224][ T4713] jfs_put_super+0x90/0x188 [ 73.481950][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.482776][ T4713] kill_block_super+0x70/0xdc [ 73.483427][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.484296][ T4713] deactivate_super+0xf0/0x110 [ 73.485015][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.485702][ T4713] __cleanup_mnt+0x20/0x30 [ 73.486437][ T4713] task_work_run+0x12c/0x1d8 [ 73.487175][ T4713] do_notify_resume+0x2450/0x309c [ 73.487964][ T4713] el0_svc+0xf0/0x1d0 [ 73.488574][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.489410][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.490462][ T4713] BUG: Bad page state in process syz-executor pfn:12c8df [ 73.491497][ T4713] page:0000000010c2c85d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12c8df [ 73.493108][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.494695][ T4713] raw: 05ffc00000002006 fffffc000329a088 ffff80001be775c0 0000000000000000 [ 73.496149][ T4713] raw: 0000000000000003 ffff0000c27556c8 00000000ffffffff 0000000000000000 [ 73.498171][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.499301][ T4713] Modules linked in: [ 73.499951][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.501384][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.502945][ T4713] Call trace: [ 73.503431][ T4713] dump_backtrace+0x0/0x458 [ 73.504184][ T4713] show_stack+0x2c/0x3c [ 73.504837][ T4713] __dump_stack+0x30/0x40 [ 73.505533][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.506259][ T4713] dump_stack+0x1c/0x5c [ 73.506883][ T4713] bad_page+0x188/0x1a8 [ 73.507516][ T4713] check_free_page_bad+0xf4/0x16c [ 73.508368][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.509318][ T4713] free_unref_page_list+0xdc/0x730 [ 73.510198][ T4713] release_pages+0x13bc/0x16dc [ 73.510967][ T4713] __pagevec_release+0x84/0xf8 [ 73.511701][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.512654][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.513428][ T4713] dbUnmount+0xf4/0x168 [ 73.514146][ T4713] jfs_umount+0x1c4/0x328 [ 73.514829][ T4713] jfs_put_super+0x90/0x188 [ 73.515604][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.516508][ T4713] kill_block_super+0x70/0xdc [ 73.517272][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.518116][ T4713] deactivate_super+0xf0/0x110 [ 73.518896][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.519707][ T4713] __cleanup_mnt+0x20/0x30 [ 73.520482][ T4713] task_work_run+0x12c/0x1d8 [ 73.521280][ T4713] do_notify_resume+0x2450/0x309c [ 73.522108][ T4713] el0_svc+0xf0/0x1d0 [ 73.522747][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.523561][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.528404][ T267] device bridge_slave_0 left promiscuous mode [ 73.529465][ T267] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.637496][ T4953] loop0: detected capacity change from 0 to 32768 [ 73.647746][ T267] device veth1_macvtap left promiscuous mode [ 73.648717][ T267] device veth0_macvtap left promiscuous mode [ 73.649785][ T267] device veth1_vlan left promiscuous mode [ 73.650809][ T267] device veth0_vlan left promiscuous mode [ 73.706017][ T4713] BUG: Bad page state in process syz-executor pfn:11c366 [ 73.707242][ T4713] page:000000007d3d9ca4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11c366 [ 73.710059][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.711679][ T4713] raw: 05ffc00000002006 fffffc0003301e88 ffff80001be775c0 0000000000000000 [ 73.713040][ T4713] raw: 0000000000000004 ffff0000d59437c0 00000000ffffffff 0000000000000000 [ 73.714354][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.715463][ T4713] Modules linked in: [ 73.716170][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.717642][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.719413][ T4713] Call trace: [ 73.719967][ T4713] dump_backtrace+0x0/0x458 [ 73.720690][ T4713] show_stack+0x2c/0x3c [ 73.721367][ T4713] __dump_stack+0x30/0x40 [ 73.722046][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.722762][ T4713] dump_stack+0x1c/0x5c [ 73.723480][ T4713] bad_page+0x188/0x1a8 [ 73.724160][ T4713] check_free_page_bad+0xf4/0x16c [ 73.724956][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.725781][ T4713] free_unref_page_list+0xdc/0x730 [ 73.726630][ T4713] release_pages+0x13bc/0x16dc [ 73.727388][ T4713] __pagevec_release+0x84/0xf8 [ 73.728110][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.729010][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.729798][ T4713] dbUnmount+0xf4/0x168 [ 73.730471][ T4713] jfs_umount+0x1c4/0x328 [ 73.731201][ T4713] jfs_put_super+0x90/0x188 [ 73.731878][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.732720][ T4713] kill_block_super+0x70/0xdc [ 73.733539][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.734384][ T4713] deactivate_super+0xf0/0x110 [ 73.735109][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.735797][ T4713] __cleanup_mnt+0x20/0x30 [ 73.736475][ T4713] task_work_run+0x12c/0x1d8 [ 73.737255][ T4713] do_notify_resume+0x2450/0x309c [ 73.738075][ T4713] el0_svc+0xf0/0x1d0 [ 73.738720][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.739523][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.741098][ T4713] BUG: Bad page state in process syz-executor pfn:10c07a [ 73.742252][ T4713] page:00000000c5a5e6a2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10c07a [ 73.743887][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.745429][ T4713] raw: 05ffc00000002006 fffffc00032b0148 ffff80001be775c0 0000000000000000 [ 73.746781][ T4713] raw: 0000000000000003 ffff0000d59438b8 00000000ffffffff 0000000000000000 [ 73.751023][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.752236][ T4713] Modules linked in: [ 73.752838][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.754257][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.755843][ T4713] Call trace: [ 73.756326][ T4713] dump_backtrace+0x0/0x458 [ 73.757008][ T4713] show_stack+0x2c/0x3c [ 73.757685][ T4713] __dump_stack+0x30/0x40 [ 73.758387][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.759123][ T4713] dump_stack+0x1c/0x5c [ 73.759764][ T4713] bad_page+0x188/0x1a8 [ 73.760496][ T4713] check_free_page_bad+0xf4/0x16c [ 73.761326][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.762165][ T4713] free_unref_page_list+0xdc/0x730 [ 73.762986][ T4713] release_pages+0x13bc/0x16dc [ 73.763744][ T4713] __pagevec_release+0x84/0xf8 [ 73.764485][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.765460][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.766255][ T4713] dbUnmount+0xf4/0x168 [ 73.766891][ T4713] jfs_umount+0x1c4/0x328 [ 73.767558][ T4713] jfs_put_super+0x90/0x188 [ 73.768300][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.769138][ T4713] kill_block_super+0x70/0xdc [ 73.769898][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.770805][ T4713] deactivate_super+0xf0/0x110 [ 73.771515][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.772203][ T4713] __cleanup_mnt+0x20/0x30 [ 73.772872][ T4713] task_work_run+0x12c/0x1d8 [ 73.773612][ T4713] do_notify_resume+0x2450/0x309c [ 73.774450][ T4713] el0_svc+0xf0/0x1d0 [ 73.775183][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.775997][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.777411][ T267] team0 (unregistering): Port device team_slave_1 removed [ 73.782128][ T267] team0 (unregistering): Port device team_slave_0 removed [ 73.785415][ T267] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.821533][ T267] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.885505][ T4956] loop0: detected capacity change from 0 to 32768 [ 73.910542][ T267] bond0 (unregistering): Released all slaves [ 73.951546][ T4713] BUG: Bad page state in process syz-executor pfn:11aa72 [ 73.952782][ T4713] page:00000000c6e953ba refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11aa72 [ 73.954448][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.955857][ T4713] raw: 05ffc00000002006 fffffc0003a34688 ffff80001be775c0 0000000000000000 [ 73.957151][ T4713] raw: 0000000000000004 ffff0000ca4d89b0 00000000ffffffff 0000000000000000 [ 73.959648][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.960829][ T4713] Modules linked in: [ 73.961508][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.962927][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.964495][ T4713] Call trace: [ 73.964991][ T4713] dump_backtrace+0x0/0x458 [ 73.965724][ T4713] show_stack+0x2c/0x3c [ 73.966379][ T4713] __dump_stack+0x30/0x40 [ 73.967131][ T4713] dump_stack_lvl+0xf4/0x15c [ 73.967860][ T4713] dump_stack+0x1c/0x5c [ 73.968515][ T4713] bad_page+0x188/0x1a8 [ 73.969178][ T4713] check_free_page_bad+0xf4/0x16c [ 73.969974][ T4713] free_unref_page_prepare+0x738/0xa84 [ 73.970850][ T4713] free_unref_page_list+0xdc/0x730 [ 73.971677][ T4713] release_pages+0x13bc/0x16dc [ 73.972416][ T4713] __pagevec_release+0x84/0xf8 [ 73.973179][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 73.974165][ T4713] truncate_inode_pages+0x2c/0x3c [ 73.974969][ T4713] dbUnmount+0xf4/0x168 [ 73.975654][ T4713] jfs_umount+0x1c4/0x328 [ 73.976323][ T4713] jfs_put_super+0x90/0x188 [ 73.977029][ T4713] generic_shutdown_super+0x130/0x2f0 [ 73.977837][ T4713] kill_block_super+0x70/0xdc [ 73.978606][ T4713] deactivate_locked_super+0xb8/0x134 [ 73.979464][ T4713] deactivate_super+0xf0/0x110 [ 73.980249][ T4713] cleanup_mnt+0x3b8/0x46c [ 73.980979][ T4713] __cleanup_mnt+0x20/0x30 [ 73.981707][ T4713] task_work_run+0x12c/0x1d8 [ 73.982433][ T4713] do_notify_resume+0x2450/0x309c [ 73.983288][ T4713] el0_svc+0xf0/0x1d0 [ 73.983951][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 73.984729][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 73.986715][ T4713] BUG: Bad page state in process syz-executor pfn:128d1a [ 73.988212][ T4713] page:00000000b76bd89d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x128d1a [ 73.989811][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 73.991425][ T4713] raw: 05ffc00000002006 fffffc0003b2fe88 ffff80001be775c0 0000000000000000 [ 73.992826][ T4713] raw: 0000000000000003 ffff0000ca4d8aa8 00000000ffffffff 0000000000000000 [ 73.994315][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 73.995509][ T4713] Modules linked in: [ 73.996180][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 73.997635][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.999253][ T4713] Call trace: [ 73.999815][ T4713] dump_backtrace+0x0/0x458 [ 74.000491][ T4713] show_stack+0x2c/0x3c [ 74.001133][ T4713] __dump_stack+0x30/0x40 [ 74.001824][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.002563][ T4713] dump_stack+0x1c/0x5c [ 74.003213][ T4713] bad_page+0x188/0x1a8 [ 74.003863][ T4713] check_free_page_bad+0xf4/0x16c [ 74.004663][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.005551][ T4713] free_unref_page_list+0xdc/0x730 [ 74.006347][ T4713] release_pages+0x13bc/0x16dc [ 74.007107][ T4713] __pagevec_release+0x84/0xf8 [ 74.007880][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.008783][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.009569][ T4713] dbUnmount+0xf4/0x168 [ 74.010239][ T4713] jfs_umount+0x1c4/0x328 [ 74.010962][ T4713] jfs_put_super+0x90/0x188 [ 74.011689][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.012515][ T4713] kill_block_super+0x70/0xdc [ 74.013245][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.014082][ T4713] deactivate_super+0xf0/0x110 [ 74.014805][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.015503][ T4713] __cleanup_mnt+0x20/0x30 [ 74.016157][ T4713] task_work_run+0x12c/0x1d8 [ 74.016893][ T4713] do_notify_resume+0x2450/0x309c [ 74.017703][ T4713] el0_svc+0xf0/0x1d0 [ 74.018329][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.019165][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.133570][ T4958] loop0: detected capacity change from 0 to 32768 [ 74.191994][ T4713] BUG: Bad page state in process syz-executor pfn:1081f2 [ 74.193345][ T4713] page:00000000d35d4994 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1081f2 [ 74.194851][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.196461][ T4713] raw: 05ffc00000002006 fffffc0003a3ac48 ffff80001be775c0 0000000000000000 [ 74.197971][ T4713] raw: 0000000000000004 ffff0000db2ef5d0 00000000ffffffff 0000000000000000 [ 74.199287][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.200440][ T4713] Modules linked in: [ 74.201067][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.202410][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.203953][ T4713] Call trace: [ 74.204534][ T4713] dump_backtrace+0x0/0x458 [ 74.205350][ T4713] show_stack+0x2c/0x3c [ 74.206055][ T4713] __dump_stack+0x30/0x40 [ 74.206719][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.207480][ T4713] dump_stack+0x1c/0x5c [ 74.208134][ T4713] bad_page+0x188/0x1a8 [ 74.208843][ T4713] check_free_page_bad+0xf4/0x16c [ 74.209664][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.210553][ T4713] free_unref_page_list+0xdc/0x730 [ 74.211368][ T4713] release_pages+0x13bc/0x16dc [ 74.212140][ T4713] __pagevec_release+0x84/0xf8 [ 74.212830][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.213713][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.214539][ T4713] dbUnmount+0xf4/0x168 [ 74.215243][ T4713] jfs_umount+0x1c4/0x328 [ 74.215842][ T4713] jfs_put_super+0x90/0x188 [ 74.216586][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.217511][ T4713] kill_block_super+0x70/0xdc [ 74.218308][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.219231][ T4713] deactivate_super+0xf0/0x110 [ 74.220053][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.220791][ T4713] __cleanup_mnt+0x20/0x30 [ 74.221560][ T4713] task_work_run+0x12c/0x1d8 [ 74.222301][ T4713] do_notify_resume+0x2450/0x309c [ 74.223149][ T4713] el0_svc+0xf0/0x1d0 [ 74.223835][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.224680][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.225826][ T4713] BUG: Bad page state in process syz-executor pfn:128eb1 [ 74.226915][ T4713] page:00000000d6edc36d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x128eb1 [ 74.229031][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.230583][ T4713] raw: 05ffc00000002006 fffffc00035dae48 ffff80001be775c0 0000000000000000 [ 74.232000][ T4713] raw: 0000000000000003 ffff0000db2ef6c8 00000000ffffffff 0000000000000000 [ 74.233377][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.234526][ T4713] Modules linked in: [ 74.235169][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.236628][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.238291][ T4713] Call trace: [ 74.238837][ T4713] dump_backtrace+0x0/0x458 [ 74.239583][ T4713] show_stack+0x2c/0x3c [ 74.240312][ T4713] __dump_stack+0x30/0x40 [ 74.241015][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.241739][ T4713] dump_stack+0x1c/0x5c [ 74.242397][ T4713] bad_page+0x188/0x1a8 [ 74.243075][ T4713] check_free_page_bad+0xf4/0x16c [ 74.243884][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.244785][ T4713] free_unref_page_list+0xdc/0x730 [ 74.245577][ T4713] release_pages+0x13bc/0x16dc [ 74.246323][ T4713] __pagevec_release+0x84/0xf8 [ 74.247107][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.248042][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.248857][ T4713] dbUnmount+0xf4/0x168 [ 74.249555][ T4713] jfs_umount+0x1c4/0x328 [ 74.250247][ T4713] jfs_put_super+0x90/0x188 [ 74.250954][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.251860][ T4713] kill_block_super+0x70/0xdc [ 74.252663][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.253534][ T4713] deactivate_super+0xf0/0x110 [ 74.254321][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.255051][ T4713] __cleanup_mnt+0x20/0x30 [ 74.255788][ T4713] task_work_run+0x12c/0x1d8 [ 74.256481][ T4713] do_notify_resume+0x2450/0x309c [ 74.257354][ T4713] el0_svc+0xf0/0x1d0 [ 74.257997][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.258816][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.439615][ T4713] BUG: Bad page state in process syz-executor pfn:10b75a [ 74.440898][ T4713] page:000000000107a4a2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10b75a [ 74.442593][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.444257][ T4713] raw: 05ffc00000002006 fffffc00032eea88 ffff80001be775c0 0000000000000000 [ 74.445584][ T4713] raw: 0000000000000004 ffff0000caa8d7c0 00000000ffffffff 0000000000000000 [ 74.446877][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.448161][ T4713] Modules linked in: [ 74.448755][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.450094][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.451711][ T4713] Call trace: [ 74.452249][ T4713] dump_backtrace+0x0/0x458 [ 74.453002][ T4713] show_stack+0x2c/0x3c [ 74.453735][ T4713] __dump_stack+0x30/0x40 [ 74.454498][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.455290][ T4713] dump_stack+0x1c/0x5c [ 74.455998][ T4713] bad_page+0x188/0x1a8 [ 74.456663][ T4713] check_free_page_bad+0xf4/0x16c [ 74.457491][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.458390][ T4713] free_unref_page_list+0xdc/0x730 [ 74.459184][ T4713] release_pages+0x13bc/0x16dc [ 74.459910][ T4713] __pagevec_release+0x84/0xf8 [ 74.460690][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.461592][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.462402][ T4713] dbUnmount+0xf4/0x168 [ 74.463078][ T4713] jfs_umount+0x1c4/0x328 [ 74.463752][ T4713] jfs_put_super+0x90/0x188 [ 74.464489][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.465387][ T4713] kill_block_super+0x70/0xdc [ 74.466136][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.467004][ T4713] deactivate_super+0xf0/0x110 [ 74.467820][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.468533][ T4713] __cleanup_mnt+0x20/0x30 [ 74.469278][ T4713] task_work_run+0x12c/0x1d8 [ 74.470015][ T4713] do_notify_resume+0x2450/0x309c [ 74.470787][ T4713] el0_svc+0xf0/0x1d0 [ 74.471440][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.472229][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.473168][ T4713] BUG: Bad page state in process syz-executor pfn:10bbaa [ 74.474330][ T4713] page:000000003d4c0eeb refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10bbaa [ 74.475920][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.477532][ T4713] raw: 05ffc00000002006 fffffc000336e048 ffff80001be775c0 0000000000000000 [ 74.479063][ T4177] Bluetooth: hci0: command 0x0419 tx timeout [ 74.480019][ T4713] raw: 0000000000000003 ffff0000caa8d8b8 00000000ffffffff 0000000000000000 [ 74.481408][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.482685][ T4713] Modules linked in: [ 74.483303][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.484776][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.486280][ T4713] Call trace: [ 74.486819][ T4713] dump_backtrace+0x0/0x458 [ 74.487542][ T4713] show_stack+0x2c/0x3c [ 74.488161][ T4713] __dump_stack+0x30/0x40 [ 74.488864][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.489570][ T4713] dump_stack+0x1c/0x5c [ 74.490255][ T4713] bad_page+0x188/0x1a8 [ 74.490961][ T4713] check_free_page_bad+0xf4/0x16c [ 74.491815][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.492774][ T4713] free_unref_page_list+0xdc/0x730 [ 74.493558][ T4713] release_pages+0x13bc/0x16dc [ 74.494254][ T4713] __pagevec_release+0x84/0xf8 [ 74.494994][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.495832][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.496694][ T4713] dbUnmount+0xf4/0x168 [ 74.497297][ T4713] jfs_umount+0x1c4/0x328 [ 74.497998][ T4713] jfs_put_super+0x90/0x188 [ 74.498688][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.499483][ T4713] kill_block_super+0x70/0xdc [ 74.500175][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.501098][ T4713] deactivate_super+0xf0/0x110 [ 74.501935][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.502723][ T4713] __cleanup_mnt+0x20/0x30 [ 74.503520][ T4713] task_work_run+0x12c/0x1d8 [ 74.504273][ T4713] do_notify_resume+0x2450/0x309c [ 74.505135][ T4713] el0_svc+0xf0/0x1d0 [ 74.505838][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.506691][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.693657][ T4713] BUG: Bad page state in process syz-executor pfn:112b38 [ 74.694832][ T4713] page:00000000a339254e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112b38 [ 74.696389][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.698172][ T4713] raw: 05ffc00000002006 fffffc00032be748 ffff80001be775c0 0000000000000000 [ 74.699437][ T4713] raw: 0000000000000004 ffff0000e7bdc9b0 00000000ffffffff 0000000000000000 [ 74.700823][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.702031][ T4713] Modules linked in: [ 74.702782][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.704148][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.705779][ T4713] Call trace: [ 74.706314][ T4713] dump_backtrace+0x0/0x458 [ 74.706957][ T4713] show_stack+0x2c/0x3c [ 74.707617][ T4713] __dump_stack+0x30/0x40 [ 74.708352][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.709092][ T4713] dump_stack+0x1c/0x5c [ 74.709734][ T4713] bad_page+0x188/0x1a8 [ 74.710358][ T4713] check_free_page_bad+0xf4/0x16c [ 74.711134][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.711949][ T4713] free_unref_page_list+0xdc/0x730 [ 74.712758][ T4713] release_pages+0x13bc/0x16dc [ 74.713473][ T4713] __pagevec_release+0x84/0xf8 [ 74.714216][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.715043][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.715808][ T4713] dbUnmount+0xf4/0x168 [ 74.716499][ T4713] jfs_umount+0x1c4/0x328 [ 74.717202][ T4713] jfs_put_super+0x90/0x188 [ 74.717858][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.718739][ T4713] kill_block_super+0x70/0xdc [ 74.719576][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.720441][ T4713] deactivate_super+0xf0/0x110 [ 74.721176][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.721896][ T4713] __cleanup_mnt+0x20/0x30 [ 74.722649][ T4713] task_work_run+0x12c/0x1d8 [ 74.723430][ T4713] do_notify_resume+0x2450/0x309c [ 74.724248][ T4713] el0_svc+0xf0/0x1d0 [ 74.724901][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.725727][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.727529][ T4713] BUG: Bad page state in process syz-executor pfn:10af9d [ 74.728985][ T4713] page:000000004f927e8f refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10af9d [ 74.730612][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.732201][ T4713] raw: 05ffc00000002006 fffffc000345a148 ffff80001be775c0 0000000000000000 [ 74.733466][ T4713] raw: 0000000000000003 ffff0000e7bdcaa8 00000000ffffffff 0000000000000000 [ 74.734665][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.735742][ T4713] Modules linked in: [ 74.736318][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.737701][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.739210][ T4713] Call trace: [ 74.739725][ T4713] dump_backtrace+0x0/0x458 [ 74.740406][ T4713] show_stack+0x2c/0x3c [ 74.741086][ T4713] __dump_stack+0x30/0x40 [ 74.741738][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.742452][ T4713] dump_stack+0x1c/0x5c [ 74.743079][ T4713] bad_page+0x188/0x1a8 [ 74.743725][ T4713] check_free_page_bad+0xf4/0x16c [ 74.744460][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.745315][ T4713] free_unref_page_list+0xdc/0x730 [ 74.746156][ T4713] release_pages+0x13bc/0x16dc [ 74.746998][ T4713] __pagevec_release+0x84/0xf8 [ 74.747790][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.748658][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.749469][ T4713] dbUnmount+0xf4/0x168 [ 74.750103][ T4713] jfs_umount+0x1c4/0x328 [ 74.750776][ T4713] jfs_put_super+0x90/0x188 [ 74.751431][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.752326][ T4713] kill_block_super+0x70/0xdc [ 74.753057][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.753851][ T4713] deactivate_super+0xf0/0x110 [ 74.754582][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.755269][ T4713] __cleanup_mnt+0x20/0x30 [ 74.755980][ T4713] task_work_run+0x12c/0x1d8 [ 74.756682][ T4713] do_notify_resume+0x2450/0x309c [ 74.757501][ T4713] el0_svc+0xf0/0x1d0 [ 74.758134][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.758932][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.942305][ T4713] BUG: Bad page state in process syz-executor pfn:112a84 [ 74.943504][ T4713] page:0000000006fc8511 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112a84 [ 74.945175][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.946690][ T4713] raw: 05ffc00000002006 fffffc0003473108 ffff80001be775c0 0000000000000000 [ 74.950727][ T4713] raw: 0000000000000004 ffff0000d30663e0 00000000ffffffff 0000000000000000 [ 74.952103][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.953216][ T4713] Modules linked in: [ 74.953795][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.955234][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.956943][ T4713] Call trace: [ 74.957451][ T4713] dump_backtrace+0x0/0x458 [ 74.958201][ T4713] show_stack+0x2c/0x3c [ 74.958892][ T4713] __dump_stack+0x30/0x40 [ 74.959626][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.960457][ T4713] dump_stack+0x1c/0x5c [ 74.961152][ T4713] bad_page+0x188/0x1a8 [ 74.961812][ T4713] check_free_page_bad+0xf4/0x16c [ 74.962618][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.963520][ T4713] free_unref_page_list+0xdc/0x730 [ 74.964303][ T4713] release_pages+0x13bc/0x16dc [ 74.965042][ T4713] __pagevec_release+0x84/0xf8 [ 74.965826][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 74.966712][ T4713] truncate_inode_pages+0x2c/0x3c [ 74.967418][ T4713] dbUnmount+0xf4/0x168 [ 74.968062][ T4713] jfs_umount+0x1c4/0x328 [ 74.968853][ T4713] jfs_put_super+0x90/0x188 [ 74.969544][ T4713] generic_shutdown_super+0x130/0x2f0 [ 74.970388][ T4713] kill_block_super+0x70/0xdc [ 74.971125][ T4713] deactivate_locked_super+0xb8/0x134 [ 74.972092][ T4713] deactivate_super+0xf0/0x110 [ 74.972859][ T4713] cleanup_mnt+0x3b8/0x46c [ 74.973588][ T4713] __cleanup_mnt+0x20/0x30 [ 74.974272][ T4713] task_work_run+0x12c/0x1d8 [ 74.974974][ T4713] do_notify_resume+0x2450/0x309c [ 74.975752][ T4713] el0_svc+0xf0/0x1d0 [ 74.976393][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 74.977224][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 74.978352][ T4713] BUG: Bad page state in process syz-executor pfn:111cc4 [ 74.979557][ T4713] page:000000007a6d66b2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111cc4 [ 74.981248][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 74.982852][ T4713] raw: 05ffc00000002006 fffffc00032ded48 ffff80001be775c0 0000000000000000 [ 74.984243][ T4713] raw: 0000000000000003 ffff0000d30664d8 00000000ffffffff 0000000000000000 [ 74.985650][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 74.986900][ T4713] Modules linked in: [ 74.987572][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 74.989026][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.990572][ T4713] Call trace: [ 74.991090][ T4713] dump_backtrace+0x0/0x458 [ 74.991771][ T4713] show_stack+0x2c/0x3c [ 74.992443][ T4713] __dump_stack+0x30/0x40 [ 74.993153][ T4713] dump_stack_lvl+0xf4/0x15c [ 74.993861][ T4713] dump_stack+0x1c/0x5c [ 74.994540][ T4713] bad_page+0x188/0x1a8 [ 74.995181][ T4713] check_free_page_bad+0xf4/0x16c [ 74.996080][ T4713] free_unref_page_prepare+0x738/0xa84 [ 74.997013][ T4713] free_unref_page_list+0xdc/0x730 [ 74.997887][ T4713] release_pages+0x13bc/0x16dc [ 74.998690][ T4713] __pagevec_release+0x84/0xf8 [ 74.999401][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.000297][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.001009][ T4713] dbUnmount+0xf4/0x168 [ 75.001673][ T4713] jfs_umount+0x1c4/0x328 [ 75.002324][ T4713] jfs_put_super+0x90/0x188 [ 75.002950][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.003855][ T4713] kill_block_super+0x70/0xdc [ 75.004487][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.005367][ T4713] deactivate_super+0xf0/0x110 [ 75.006126][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.006857][ T4713] __cleanup_mnt+0x20/0x30 [ 75.007549][ T4713] task_work_run+0x12c/0x1d8 [ 75.008307][ T4713] do_notify_resume+0x2450/0x309c [ 75.009118][ T4713] el0_svc+0xf0/0x1d0 [ 75.009736][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.010545][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.191593][ T4713] BUG: Bad page state in process syz-executor pfn:12c798 [ 75.192826][ T4713] page:0000000010bd9cfb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c798 [ 75.194569][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.196205][ T4713] raw: 05ffc00000002006 fffffc00033eba88 ffff80001be775c0 0000000000000000 [ 75.197593][ T4713] raw: 0000000000000004 ffff0000d01225d0 00000000ffffffff 0000000000000000 [ 75.207717][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.208792][ T4713] Modules linked in: [ 75.209379][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.210694][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.212263][ T4713] Call trace: [ 75.212796][ T4713] dump_backtrace+0x0/0x458 [ 75.213500][ T4713] show_stack+0x2c/0x3c [ 75.214168][ T4713] __dump_stack+0x30/0x40 [ 75.214853][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.215604][ T4713] dump_stack+0x1c/0x5c [ 75.216286][ T4713] bad_page+0x188/0x1a8 [ 75.216947][ T4713] check_free_page_bad+0xf4/0x16c [ 75.217769][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.218780][ T4713] free_unref_page_list+0xdc/0x730 [ 75.219646][ T4713] release_pages+0x13bc/0x16dc [ 75.220447][ T4713] __pagevec_release+0x84/0xf8 [ 75.221311][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.222273][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.223119][ T4713] dbUnmount+0xf4/0x168 [ 75.223776][ T4713] jfs_umount+0x1c4/0x328 [ 75.224567][ T4713] jfs_put_super+0x90/0x188 [ 75.225319][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.226176][ T4713] kill_block_super+0x70/0xdc [ 75.226934][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.227804][ T4713] deactivate_super+0xf0/0x110 [ 75.228537][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.229250][ T4713] __cleanup_mnt+0x20/0x30 [ 75.229976][ T4713] task_work_run+0x12c/0x1d8 [ 75.230757][ T4713] do_notify_resume+0x2450/0x309c [ 75.231658][ T4713] el0_svc+0xf0/0x1d0 [ 75.232284][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.233015][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.234626][ T4713] BUG: Bad page state in process syz-executor pfn:10faea [ 75.235662][ T4713] page:00000000cfedb5ba refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10faea [ 75.237136][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.238997][ T4713] raw: 05ffc00000002006 fffffc000347e088 ffff80001be775c0 0000000000000000 [ 75.240312][ T4713] raw: 0000000000000003 ffff0000d01226c8 00000000ffffffff 0000000000000000 [ 75.241601][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.242687][ T4713] Modules linked in: [ 75.243248][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.244488][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.245980][ T4713] Call trace: [ 75.246445][ T4713] dump_backtrace+0x0/0x458 [ 75.247113][ T4713] show_stack+0x2c/0x3c [ 75.247809][ T4713] __dump_stack+0x30/0x40 [ 75.248536][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.249320][ T4713] dump_stack+0x1c/0x5c [ 75.249978][ T4713] bad_page+0x188/0x1a8 [ 75.250653][ T4713] check_free_page_bad+0xf4/0x16c [ 75.251479][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.252364][ T4713] free_unref_page_list+0xdc/0x730 [ 75.253191][ T4713] release_pages+0x13bc/0x16dc [ 75.253996][ T4713] __pagevec_release+0x84/0xf8 [ 75.254802][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.255773][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.256600][ T4713] dbUnmount+0xf4/0x168 [ 75.257271][ T4713] jfs_umount+0x1c4/0x328 [ 75.257938][ T4713] jfs_put_super+0x90/0x188 [ 75.258683][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.259555][ T4713] kill_block_super+0x70/0xdc [ 75.260302][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.261177][ T4713] deactivate_super+0xf0/0x110 [ 75.261896][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.262621][ T4713] __cleanup_mnt+0x20/0x30 [ 75.263322][ T4713] task_work_run+0x12c/0x1d8 [ 75.264000][ T4713] do_notify_resume+0x2450/0x309c [ 75.264847][ T4713] el0_svc+0xf0/0x1d0 [ 75.265528][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.266338][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.469428][ T4713] BUG: Bad page state in process syz-executor pfn:1105b0 [ 75.470601][ T4713] page:0000000020ac2189 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1105b0 [ 75.472305][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.473915][ T4713] raw: 05ffc00000002006 fffffc0003558948 ffff80001be775c0 0000000000000000 [ 75.475224][ T4713] raw: 0000000000000004 ffff0000d3e0a7c0 00000000ffffffff 0000000000000000 [ 75.476754][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.478047][ T4713] Modules linked in: [ 75.478596][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.480033][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.481646][ T4713] Call trace: [ 75.482169][ T4713] dump_backtrace+0x0/0x458 [ 75.482910][ T4713] show_stack+0x2c/0x3c [ 75.483567][ T4713] __dump_stack+0x30/0x40 [ 75.484231][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.484951][ T4713] dump_stack+0x1c/0x5c [ 75.485654][ T4713] bad_page+0x188/0x1a8 [ 75.486346][ T4713] check_free_page_bad+0xf4/0x16c [ 75.487112][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.487988][ T4713] free_unref_page_list+0xdc/0x730 [ 75.488764][ T4713] release_pages+0x13bc/0x16dc [ 75.489572][ T4713] __pagevec_release+0x84/0xf8 [ 75.490346][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.491326][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.492185][ T4713] dbUnmount+0xf4/0x168 [ 75.492888][ T4713] jfs_umount+0x1c4/0x328 [ 75.493563][ T4713] jfs_put_super+0x90/0x188 [ 75.494292][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.495140][ T4713] kill_block_super+0x70/0xdc [ 75.495895][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.496745][ T4713] deactivate_super+0xf0/0x110 [ 75.497479][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.498171][ T4713] __cleanup_mnt+0x20/0x30 [ 75.498891][ T4713] task_work_run+0x12c/0x1d8 [ 75.499559][ T4713] do_notify_resume+0x2450/0x309c [ 75.500336][ T4713] el0_svc+0xf0/0x1d0 [ 75.500959][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.501797][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.502585][ T4713] BUG: Bad page state in process syz-executor pfn:115625 [ 75.503692][ T4713] page:000000000a806832 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x115625 [ 75.505292][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.506766][ T4713] raw: 05ffc00000002006 fffffc0003a07f88 ffff80001be775c0 0000000000000000 [ 75.508447][ T4713] raw: 0000000000000003 ffff0000d3e0a8b8 00000000ffffffff 0000000000000000 [ 75.509858][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.511059][ T4713] Modules linked in: [ 75.511650][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.512995][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.514505][ T4713] Call trace: [ 75.515021][ T4713] dump_backtrace+0x0/0x458 [ 75.515673][ T4713] show_stack+0x2c/0x3c [ 75.516264][ T4713] __dump_stack+0x30/0x40 [ 75.516942][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.517633][ T4713] dump_stack+0x1c/0x5c [ 75.518350][ T4713] bad_page+0x188/0x1a8 [ 75.519063][ T4713] check_free_page_bad+0xf4/0x16c [ 75.519919][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.520832][ T4713] free_unref_page_list+0xdc/0x730 [ 75.521669][ T4713] release_pages+0x13bc/0x16dc [ 75.522461][ T4713] __pagevec_release+0x84/0xf8 [ 75.523237][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.524250][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.525063][ T4713] dbUnmount+0xf4/0x168 [ 75.525737][ T4713] jfs_umount+0x1c4/0x328 [ 75.526401][ T4713] jfs_put_super+0x90/0x188 [ 75.527119][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.527986][ T4713] kill_block_super+0x70/0xdc [ 75.528779][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.529674][ T4713] deactivate_super+0xf0/0x110 [ 75.530481][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.531184][ T4713] __cleanup_mnt+0x20/0x30 [ 75.531964][ T4713] task_work_run+0x12c/0x1d8 [ 75.532712][ T4713] do_notify_resume+0x2450/0x309c [ 75.533575][ T4713] el0_svc+0xf0/0x1d0 [ 75.534330][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.535217][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.725613][ T4713] BUG: Bad page state in process syz-executor pfn:108487 [ 75.726723][ T4713] page:00000000380cdf27 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108487 [ 75.728759][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.730278][ T4713] raw: 05ffc00000002006 fffffc0003232dc8 ffff80001be775c0 0000000000000000 [ 75.731685][ T4713] raw: 0000000000000004 ffff0000dd4d83e0 00000000ffffffff 0000000000000000 [ 75.733070][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.734156][ T4713] Modules linked in: [ 75.734794][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.736234][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.737823][ T4713] Call trace: [ 75.738289][ T4713] dump_backtrace+0x0/0x458 [ 75.739021][ T4713] show_stack+0x2c/0x3c [ 75.739691][ T4713] __dump_stack+0x30/0x40 [ 75.740305][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.740992][ T4713] dump_stack+0x1c/0x5c [ 75.741644][ T4713] bad_page+0x188/0x1a8 [ 75.742316][ T4713] check_free_page_bad+0xf4/0x16c [ 75.743025][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.743833][ T4713] free_unref_page_list+0xdc/0x730 [ 75.744667][ T4713] release_pages+0x13bc/0x16dc [ 75.745387][ T4713] __pagevec_release+0x84/0xf8 [ 75.746134][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.746975][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.747729][ T4713] dbUnmount+0xf4/0x168 [ 75.748334][ T4713] jfs_umount+0x1c4/0x328 [ 75.749032][ T4713] jfs_put_super+0x90/0x188 [ 75.749700][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.750522][ T4713] kill_block_super+0x70/0xdc [ 75.751266][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.752139][ T4713] deactivate_super+0xf0/0x110 [ 75.752861][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.753455][ T4713] __cleanup_mnt+0x20/0x30 [ 75.754169][ T4713] task_work_run+0x12c/0x1d8 [ 75.754869][ T4713] do_notify_resume+0x2450/0x309c [ 75.755647][ T4713] el0_svc+0xf0/0x1d0 [ 75.756246][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.756989][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.758619][ T4713] BUG: Bad page state in process syz-executor pfn:108cb7 [ 75.759825][ T4713] page:00000000aa0ed137 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x108cb7 [ 75.761498][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.763073][ T4713] raw: 05ffc00000002006 fffffc00036f50c8 ffff80001be775c0 0000000000000000 [ 75.764413][ T4713] raw: 0000000000000003 ffff0000dd4d84d8 00000000ffffffff 0000000000000000 [ 75.765768][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.766968][ T4713] Modules linked in: [ 75.767627][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.769216][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.770857][ T4713] Call trace: [ 75.771370][ T4713] dump_backtrace+0x0/0x458 [ 75.772117][ T4713] show_stack+0x2c/0x3c [ 75.772774][ T4713] __dump_stack+0x30/0x40 [ 75.773458][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.774197][ T4713] dump_stack+0x1c/0x5c [ 75.774848][ T4713] bad_page+0x188/0x1a8 [ 75.775565][ T4713] check_free_page_bad+0xf4/0x16c [ 75.776400][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.777300][ T4713] free_unref_page_list+0xdc/0x730 [ 75.778161][ T4713] release_pages+0x13bc/0x16dc [ 75.778962][ T4713] __pagevec_release+0x84/0xf8 [ 75.779754][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.780677][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.781540][ T4713] dbUnmount+0xf4/0x168 [ 75.782190][ T4713] jfs_umount+0x1c4/0x328 [ 75.782859][ T4713] jfs_put_super+0x90/0x188 [ 75.783540][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.784333][ T4713] kill_block_super+0x70/0xdc [ 75.785053][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.785847][ T4713] deactivate_super+0xf0/0x110 [ 75.786516][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.787224][ T4713] __cleanup_mnt+0x20/0x30 [ 75.787968][ T4713] task_work_run+0x12c/0x1d8 [ 75.788708][ T4713] do_notify_resume+0x2450/0x309c [ 75.789522][ T4713] el0_svc+0xf0/0x1d0 [ 75.790168][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.790955][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.950606][ T4713] BUG: Bad page state in process syz-executor pfn:11b0aa [ 75.951869][ T4713] page:00000000bade4908 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b0aa [ 75.953612][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.955170][ T4713] raw: 05ffc00000002006 fffffc00032a3148 ffff80001be775c0 0000000000000000 [ 75.956511][ T4713] raw: 0000000000000004 ffff0000d1e069b0 00000000ffffffff 0000000000000000 [ 75.959340][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.960443][ T4713] Modules linked in: [ 75.961065][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.962401][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.964131][ T4713] Call trace: [ 75.964708][ T4713] dump_backtrace+0x0/0x458 [ 75.965419][ T4713] show_stack+0x2c/0x3c [ 75.966045][ T4713] __dump_stack+0x30/0x40 [ 75.966716][ T4713] dump_stack_lvl+0xf4/0x15c [ 75.967495][ T4713] dump_stack+0x1c/0x5c [ 75.968183][ T4713] bad_page+0x188/0x1a8 [ 75.968835][ T4713] check_free_page_bad+0xf4/0x16c [ 75.969626][ T4713] free_unref_page_prepare+0x738/0xa84 [ 75.970557][ T4713] free_unref_page_list+0xdc/0x730 [ 75.971390][ T4713] release_pages+0x13bc/0x16dc [ 75.972147][ T4713] __pagevec_release+0x84/0xf8 [ 75.972930][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 75.973836][ T4713] truncate_inode_pages+0x2c/0x3c [ 75.974666][ T4713] dbUnmount+0xf4/0x168 [ 75.975347][ T4713] jfs_umount+0x1c4/0x328 [ 75.976020][ T4713] jfs_put_super+0x90/0x188 [ 75.976791][ T4713] generic_shutdown_super+0x130/0x2f0 [ 75.977678][ T4713] kill_block_super+0x70/0xdc [ 75.978409][ T4713] deactivate_locked_super+0xb8/0x134 [ 75.979283][ T4713] deactivate_super+0xf0/0x110 [ 75.980037][ T4713] cleanup_mnt+0x3b8/0x46c [ 75.980768][ T4713] __cleanup_mnt+0x20/0x30 [ 75.981461][ T4713] task_work_run+0x12c/0x1d8 [ 75.982195][ T4713] do_notify_resume+0x2450/0x309c [ 75.982981][ T4713] el0_svc+0xf0/0x1d0 [ 75.983642][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 75.984513][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 75.985709][ T4713] BUG: Bad page state in process syz-executor pfn:10a8c5 [ 75.986782][ T4713] page:00000000636b0aa9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10a8c5 [ 75.988748][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.990158][ T4713] raw: 05ffc00000002006 fffffc00030a1a08 ffff80001be775c0 0000000000000000 [ 75.991415][ T4713] raw: 0000000000000003 ffff0000d1e06aa8 00000000ffffffff 0000000000000000 [ 75.992621][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.993731][ T4713] Modules linked in: [ 75.994314][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.995686][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.997196][ T4713] Call trace: [ 75.997677][ T4713] dump_backtrace+0x0/0x458 [ 75.998382][ T4713] show_stack+0x2c/0x3c [ 75.999013][ T4713] __dump_stack+0x30/0x40 [ 75.999718][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.000496][ T4713] dump_stack+0x1c/0x5c [ 76.001140][ T4713] bad_page+0x188/0x1a8 [ 76.001821][ T4713] check_free_page_bad+0xf4/0x16c [ 76.002673][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.003552][ T4713] free_unref_page_list+0xdc/0x730 [ 76.004351][ T4713] release_pages+0x13bc/0x16dc [ 76.005099][ T4713] __pagevec_release+0x84/0xf8 [ 76.005931][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.006895][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.007724][ T4713] dbUnmount+0xf4/0x168 [ 76.008418][ T4713] jfs_umount+0x1c4/0x328 [ 76.009168][ T4713] jfs_put_super+0x90/0x188 [ 76.009933][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.010803][ T4713] kill_block_super+0x70/0xdc [ 76.011556][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.012363][ T4713] deactivate_super+0xf0/0x110 [ 76.013183][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.013894][ T4713] __cleanup_mnt+0x20/0x30 [ 76.014591][ T4713] task_work_run+0x12c/0x1d8 [ 76.015361][ T4713] do_notify_resume+0x2450/0x309c [ 76.016229][ T4713] el0_svc+0xf0/0x1d0 [ 76.016898][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.017751][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 76.225776][ T4713] BUG: Bad page state in process syz-executor pfn:1114cb [ 76.227036][ T4713] page:0000000094de0112 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1114cb [ 76.229291][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.230840][ T4713] raw: 05ffc00000002006 fffffc000347fa88 ffff80001be775c0 0000000000000000 [ 76.232189][ T4713] raw: 0000000000000004 ffff0000c95625d0 00000000ffffffff 0000000000000000 [ 76.233607][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.234751][ T4713] Modules linked in: [ 76.235346][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.236790][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.238342][ T4713] Call trace: [ 76.238882][ T4713] dump_backtrace+0x0/0x458 [ 76.239569][ T4713] show_stack+0x2c/0x3c [ 76.240202][ T4713] __dump_stack+0x30/0x40 [ 76.240839][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.241567][ T4713] dump_stack+0x1c/0x5c [ 76.242212][ T4713] bad_page+0x188/0x1a8 [ 76.242891][ T4713] check_free_page_bad+0xf4/0x16c [ 76.243672][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.244520][ T4713] free_unref_page_list+0xdc/0x730 [ 76.245331][ T4713] release_pages+0x13bc/0x16dc [ 76.246062][ T4713] __pagevec_release+0x84/0xf8 [ 76.246736][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.247563][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.248314][ T4713] dbUnmount+0xf4/0x168 [ 76.248870][ T4713] jfs_umount+0x1c4/0x328 [ 76.249529][ T4713] jfs_put_super+0x90/0x188 [ 76.250203][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.250897][ T4713] kill_block_super+0x70/0xdc [ 76.251564][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.252364][ T4713] deactivate_super+0xf0/0x110 [ 76.253049][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.253751][ T4713] __cleanup_mnt+0x20/0x30 [ 76.254421][ T4713] task_work_run+0x12c/0x1d8 [ 76.255121][ T4713] do_notify_resume+0x2450/0x309c [ 76.255923][ T4713] el0_svc+0xf0/0x1d0 [ 76.256568][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.257319][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 76.259706][ T4713] BUG: Bad page state in process syz-executor pfn:111fea [ 76.260976][ T4713] page:00000000aedead15 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111fea [ 76.262515][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.263970][ T4713] raw: 05ffc00000002006 fffffc00032841c8 ffff80001be775c0 0000000000000000 [ 76.265265][ T4713] raw: 0000000000000003 ffff0000c95626c8 00000000ffffffff 0000000000000000 [ 76.266550][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.267798][ T4713] Modules linked in: [ 76.268346][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.269576][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.271044][ T4713] Call trace: [ 76.271532][ T4713] dump_backtrace+0x0/0x458 [ 76.272226][ T4713] show_stack+0x2c/0x3c [ 76.272825][ T4713] __dump_stack+0x30/0x40 [ 76.273509][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.274240][ T4713] dump_stack+0x1c/0x5c [ 76.274861][ T4713] bad_page+0x188/0x1a8 [ 76.275460][ T4713] check_free_page_bad+0xf4/0x16c [ 76.276205][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.277021][ T4713] free_unref_page_list+0xdc/0x730 [ 76.277770][ T4713] release_pages+0x13bc/0x16dc [ 76.278528][ T4713] __pagevec_release+0x84/0xf8 [ 76.279332][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.280241][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.281023][ T4713] dbUnmount+0xf4/0x168 [ 76.281642][ T4713] jfs_umount+0x1c4/0x328 [ 76.282302][ T4713] jfs_put_super+0x90/0x188 [ 76.283009][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.283872][ T4713] kill_block_super+0x70/0xdc [ 76.284601][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.285444][ T4713] deactivate_super+0xf0/0x110 [ 76.286162][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.286857][ T4713] __cleanup_mnt+0x20/0x30 [ 76.287568][ T4713] task_work_run+0x12c/0x1d8 [ 76.288270][ T4713] do_notify_resume+0x2450/0x309c [ 76.289073][ T4713] el0_svc+0xf0/0x1d0 [ 76.289690][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.290407][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 76.519504][ T4713] BUG: Bad page state in process syz-executor pfn:10ba43 [ 76.520794][ T4713] page:00000000a4dc9fc2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ba43 [ 76.522487][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.523971][ T4713] raw: 05ffc00000002006 fffffc0003b21a08 ffff80001be775c0 0000000000000000 [ 76.525324][ T4713] raw: 0000000000000004 ffff0000d77a37c0 00000000ffffffff 0000000000000000 [ 76.526664][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.527882][ T4713] Modules linked in: [ 76.528591][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.530098][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.531685][ T4713] Call trace: [ 76.532146][ T4713] dump_backtrace+0x0/0x458 [ 76.532867][ T4713] show_stack+0x2c/0x3c [ 76.533517][ T4713] __dump_stack+0x30/0x40 [ 76.534220][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.534987][ T4713] dump_stack+0x1c/0x5c [ 76.535635][ T4713] bad_page+0x188/0x1a8 [ 76.536334][ T4713] check_free_page_bad+0xf4/0x16c [ 76.537121][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.538022][ T4713] free_unref_page_list+0xdc/0x730 [ 76.538859][ T4713] release_pages+0x13bc/0x16dc [ 76.539569][ T4713] __pagevec_release+0x84/0xf8 [ 76.540394][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.541390][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.542334][ T4713] dbUnmount+0xf4/0x168 [ 76.543021][ T4713] jfs_umount+0x1c4/0x328 [ 76.543660][ T4713] jfs_put_super+0x90/0x188 [ 76.544368][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.545167][ T4713] kill_block_super+0x70/0xdc [ 76.545950][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.546800][ T4713] deactivate_super+0xf0/0x110 [ 76.547585][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.548332][ T4713] __cleanup_mnt+0x20/0x30 [ 76.549079][ T4713] task_work_run+0x12c/0x1d8 [ 76.549847][ T4713] do_notify_resume+0x2450/0x309c [ 76.550619][ T4713] el0_svc+0xf0/0x1d0 [ 76.551223][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.551968][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 76.552807][ T4713] BUG: Bad page state in process syz-executor pfn:12c868 [ 76.553988][ T4713] page:00000000c7c6b0d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12c868 [ 76.555649][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.557248][ T4713] raw: 05ffc00000002006 fffffc0003221b48 ffff80001be775c0 0000000000000000 [ 76.559220][ T4713] raw: 0000000000000003 ffff0000d77a38b8 00000000ffffffff 0000000000000000 [ 76.560556][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.561769][ T4713] Modules linked in: [ 76.562406][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.563782][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.565441][ T4713] Call trace: [ 76.565955][ T4713] dump_backtrace+0x0/0x458 [ 76.566737][ T4713] show_stack+0x2c/0x3c [ 76.567455][ T4713] __dump_stack+0x30/0x40 [ 76.568174][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.568981][ T4713] dump_stack+0x1c/0x5c [ 76.569655][ T4713] bad_page+0x188/0x1a8 [ 76.570316][ T4713] check_free_page_bad+0xf4/0x16c [ 76.571098][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.572003][ T4713] free_unref_page_list+0xdc/0x730 [ 76.572869][ T4713] release_pages+0x13bc/0x16dc [ 76.573638][ T4713] __pagevec_release+0x84/0xf8 [ 76.574432][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.575337][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.576123][ T4713] dbUnmount+0xf4/0x168 [ 76.576799][ T4713] jfs_umount+0x1c4/0x328 [ 76.577455][ T4713] jfs_put_super+0x90/0x188 [ 76.578082][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.578912][ T4713] kill_block_super+0x70/0xdc [ 76.579613][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.580399][ T4713] deactivate_super+0xf0/0x110 [ 76.581295][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.582032][ T4713] __cleanup_mnt+0x20/0x30 [ 76.582763][ T4713] task_work_run+0x12c/0x1d8 [ 76.583529][ T4713] do_notify_resume+0x2450/0x309c [ 76.584400][ T4713] el0_svc+0xf0/0x1d0 [ 76.585061][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.585913][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 76.748685][ T4713] BUG: Bad page state in process syz-executor pfn:101f07 [ 76.749910][ T4713] page:00000000027d6852 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x101f07 [ 76.751639][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.753131][ T4713] raw: 05ffc00000002006 fffffc000344efc8 ffff80001be775c0 0000000000000000 [ 76.754469][ T4713] raw: 0000000000000004 ffff0000c9df5ba0 00000000ffffffff 0000000000000000 [ 76.755930][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.757171][ T4713] Modules linked in: [ 76.758324][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.759793][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.761563][ T4713] Call trace: [ 76.762147][ T4713] dump_backtrace+0x0/0x458 [ 76.762841][ T4713] show_stack+0x2c/0x3c [ 76.763458][ T4713] __dump_stack+0x30/0x40 [ 76.764083][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.764779][ T4713] dump_stack+0x1c/0x5c [ 76.765366][ T4713] bad_page+0x188/0x1a8 [ 76.766003][ T4713] check_free_page_bad+0xf4/0x16c [ 76.766774][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.767751][ T4713] free_unref_page_list+0xdc/0x730 [ 76.768613][ T4713] release_pages+0x13bc/0x16dc [ 76.769420][ T4713] __pagevec_release+0x84/0xf8 [ 76.770217][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.771228][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.772051][ T4713] dbUnmount+0xf4/0x168 [ 76.772714][ T4713] jfs_umount+0x1c4/0x328 [ 76.773432][ T4713] jfs_put_super+0x90/0x188 [ 76.774184][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.775074][ T4713] kill_block_super+0x70/0xdc [ 76.775895][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.776753][ T4713] deactivate_super+0xf0/0x110 [ 76.777546][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.778303][ T4713] __cleanup_mnt+0x20/0x30 [ 76.779063][ T4713] task_work_run+0x12c/0x1d8 [ 76.779825][ T4713] do_notify_resume+0x2450/0x309c [ 76.780617][ T4713] el0_svc+0xf0/0x1d0 [ 76.781205][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.782028][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 76.783514][ T4713] BUG: Bad page state in process syz-executor pfn:1113bf [ 76.784647][ T4713] page:0000000070527324 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x1113bf [ 76.786308][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.787820][ T4713] raw: 05ffc00000002006 fffffc00032dae08 ffff80001be775c0 0000000000000000 [ 76.789108][ T4713] raw: 0000000000000003 ffff0000c9df5c98 00000000ffffffff 0000000000000000 [ 76.790492][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.791594][ T4713] Modules linked in: [ 76.792220][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.793648][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.795306][ T4713] Call trace: [ 76.795814][ T4713] dump_backtrace+0x0/0x458 [ 76.796473][ T4713] show_stack+0x2c/0x3c [ 76.797167][ T4713] __dump_stack+0x30/0x40 [ 76.797908][ T4713] dump_stack_lvl+0xf4/0x15c [ 76.798670][ T4713] dump_stack+0x1c/0x5c [ 76.799379][ T4713] bad_page+0x188/0x1a8 [ 76.800068][ T4713] check_free_page_bad+0xf4/0x16c [ 76.800895][ T4713] free_unref_page_prepare+0x738/0xa84 [ 76.801723][ T4713] free_unref_page_list+0xdc/0x730 [ 76.802537][ T4713] release_pages+0x13bc/0x16dc [ 76.803296][ T4713] __pagevec_release+0x84/0xf8 [ 76.804109][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 76.805153][ T4713] truncate_inode_pages+0x2c/0x3c [ 76.805999][ T4713] dbUnmount+0xf4/0x168 [ 76.806718][ T4713] jfs_umount+0x1c4/0x328 [ 76.807442][ T4713] jfs_put_super+0x90/0x188 [ 76.808139][ T4713] generic_shutdown_super+0x130/0x2f0 [ 76.808981][ T4713] kill_block_super+0x70/0xdc [ 76.809748][ T4713] deactivate_locked_super+0xb8/0x134 [ 76.810619][ T4713] deactivate_super+0xf0/0x110 [ 76.811382][ T4713] cleanup_mnt+0x3b8/0x46c [ 76.812096][ T4713] __cleanup_mnt+0x20/0x30 [ 76.812806][ T4713] task_work_run+0x12c/0x1d8 [ 76.813510][ T4713] do_notify_resume+0x2450/0x309c [ 76.814353][ T4713] el0_svc+0xf0/0x1d0 [ 76.814989][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 76.815759][ T4713] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:16 executed programs: 22 [ 76.923250][ T4980] set_capacity_and_notify: 10 callbacks suppressed [ 76.923259][ T4980] loop0: detected capacity change from 0 to 32768 [ 76.998638][ T4713] BUG: Bad page state in process syz-executor pfn:10a3ba [ 76.999879][ T4713] page:000000003689df4a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a3ba [ 77.001608][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.003118][ T4713] raw: 05ffc00000002006 fffffc0003b01488 ffff80001be775c0 0000000000000000 [ 77.004469][ T4713] raw: 0000000000000004 ffff0000c1f38000 00000000ffffffff 0000000000000000 [ 77.005784][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.006974][ T4713] Modules linked in: [ 77.007612][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.009070][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.010708][ T4713] Call trace: [ 77.011256][ T4713] dump_backtrace+0x0/0x458 [ 77.012028][ T4713] show_stack+0x2c/0x3c [ 77.012741][ T4713] __dump_stack+0x30/0x40 [ 77.013384][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.014097][ T4713] dump_stack+0x1c/0x5c [ 77.014745][ T4713] bad_page+0x188/0x1a8 [ 77.015442][ T4713] check_free_page_bad+0xf4/0x16c [ 77.016239][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.017077][ T4713] free_unref_page_list+0xdc/0x730 [ 77.017923][ T4713] release_pages+0x13bc/0x16dc [ 77.018649][ T4713] __pagevec_release+0x84/0xf8 [ 77.019411][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.020329][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.021066][ T4713] dbUnmount+0xf4/0x168 [ 77.021721][ T4713] jfs_umount+0x1c4/0x328 [ 77.022423][ T4713] jfs_put_super+0x90/0x188 [ 77.023106][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.023938][ T4713] kill_block_super+0x70/0xdc [ 77.024621][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.025414][ T4713] deactivate_super+0xf0/0x110 [ 77.026169][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.026935][ T4713] __cleanup_mnt+0x20/0x30 [ 77.027703][ T4713] task_work_run+0x12c/0x1d8 [ 77.028438][ T4713] do_notify_resume+0x2450/0x309c [ 77.029266][ T4713] el0_svc+0xf0/0x1d0 [ 77.029923][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.030708][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.032482][ T4713] BUG: Bad page state in process syz-executor pfn:12c052 [ 77.033548][ T4713] page:00000000cfe90db7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12c052 [ 77.035083][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.036578][ T4713] raw: 05ffc00000002006 fffffc00032895c8 ffff80001be775c0 0000000000000000 [ 77.038424][ T4713] raw: 0000000000000003 ffff0000c1f380f8 00000000ffffffff 0000000000000000 [ 77.039850][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.040949][ T4713] Modules linked in: [ 77.041576][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.043005][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.044482][ T4713] Call trace: [ 77.044983][ T4713] dump_backtrace+0x0/0x458 [ 77.045700][ T4713] show_stack+0x2c/0x3c [ 77.046305][ T4713] __dump_stack+0x30/0x40 [ 77.046955][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.047639][ T4713] dump_stack+0x1c/0x5c [ 77.048318][ T4713] bad_page+0x188/0x1a8 [ 77.048972][ T4713] check_free_page_bad+0xf4/0x16c [ 77.049787][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.050630][ T4713] free_unref_page_list+0xdc/0x730 [ 77.051457][ T4713] release_pages+0x13bc/0x16dc [ 77.052199][ T4713] __pagevec_release+0x84/0xf8 [ 77.052878][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.053689][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.054424][ T4713] dbUnmount+0xf4/0x168 [ 77.055072][ T4713] jfs_umount+0x1c4/0x328 [ 77.055736][ T4713] jfs_put_super+0x90/0x188 [ 77.056415][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.057258][ T4713] kill_block_super+0x70/0xdc [ 77.057984][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.058784][ T4713] deactivate_super+0xf0/0x110 [ 77.059462][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.060093][ T4713] __cleanup_mnt+0x20/0x30 [ 77.060723][ T4713] task_work_run+0x12c/0x1d8 [ 77.061428][ T4713] do_notify_resume+0x2450/0x309c [ 77.062174][ T4713] el0_svc+0xf0/0x1d0 [ 77.062784][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.063535][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.184312][ T4982] loop0: detected capacity change from 0 to 32768 [ 77.241473][ T4713] BUG: Bad page state in process syz-executor pfn:10a6d5 [ 77.242640][ T4713] page:00000000d2a680b6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a6d5 [ 77.244089][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.245761][ T4713] raw: 05ffc00000002006 fffffc000324b248 ffff80001be775c0 0000000000000000 [ 77.247261][ T4713] raw: 0000000000000004 ffff0000db7c61f0 00000000ffffffff 0000000000000000 [ 77.248802][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.249861][ T4713] Modules linked in: [ 77.250541][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.252050][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.253705][ T4713] Call trace: [ 77.254203][ T4713] dump_backtrace+0x0/0x458 [ 77.254895][ T4713] show_stack+0x2c/0x3c [ 77.255512][ T4713] __dump_stack+0x30/0x40 [ 77.256124][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.256918][ T4713] dump_stack+0x1c/0x5c [ 77.257592][ T4713] bad_page+0x188/0x1a8 [ 77.258300][ T4713] check_free_page_bad+0xf4/0x16c [ 77.259141][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.260031][ T4713] free_unref_page_list+0xdc/0x730 [ 77.260895][ T4713] release_pages+0x13bc/0x16dc [ 77.261678][ T4713] __pagevec_release+0x84/0xf8 [ 77.262512][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.263398][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.264155][ T4713] dbUnmount+0xf4/0x168 [ 77.264817][ T4713] jfs_umount+0x1c4/0x328 [ 77.265514][ T4713] jfs_put_super+0x90/0x188 [ 77.266246][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.267115][ T4713] kill_block_super+0x70/0xdc [ 77.267881][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.268725][ T4713] deactivate_super+0xf0/0x110 [ 77.269473][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.270108][ T4713] __cleanup_mnt+0x20/0x30 [ 77.270799][ T4713] task_work_run+0x12c/0x1d8 [ 77.271548][ T4713] do_notify_resume+0x2450/0x309c [ 77.272351][ T4713] el0_svc+0xf0/0x1d0 [ 77.272919][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.273670][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.274809][ T4713] BUG: Bad page state in process syz-executor pfn:1092c9 [ 77.275921][ T4713] page:000000005a99aa63 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x1092c9 [ 77.277601][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.279675][ T4713] raw: 05ffc00000002006 fffffc00032daf88 ffff80001be775c0 0000000000000000 [ 77.280990][ T4713] raw: 0000000000000003 ffff0000db7c62e8 00000000ffffffff 0000000000000000 [ 77.282300][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.283413][ T4713] Modules linked in: [ 77.284035][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.285423][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.286953][ T4713] Call trace: [ 77.287456][ T4713] dump_backtrace+0x0/0x458 [ 77.288159][ T4713] show_stack+0x2c/0x3c [ 77.288868][ T4713] __dump_stack+0x30/0x40 [ 77.289556][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.290319][ T4713] dump_stack+0x1c/0x5c [ 77.291020][ T4713] bad_page+0x188/0x1a8 [ 77.291726][ T4713] check_free_page_bad+0xf4/0x16c [ 77.292515][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.293378][ T4713] free_unref_page_list+0xdc/0x730 [ 77.294197][ T4713] release_pages+0x13bc/0x16dc [ 77.294920][ T4713] __pagevec_release+0x84/0xf8 [ 77.295687][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.296567][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.297323][ T4713] dbUnmount+0xf4/0x168 [ 77.297986][ T4713] jfs_umount+0x1c4/0x328 [ 77.298753][ T4713] jfs_put_super+0x90/0x188 [ 77.299517][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.300407][ T4713] kill_block_super+0x70/0xdc [ 77.301146][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.302029][ T4713] deactivate_super+0xf0/0x110 [ 77.302800][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.303464][ T4713] __cleanup_mnt+0x20/0x30 [ 77.304164][ T4713] task_work_run+0x12c/0x1d8 [ 77.304885][ T4713] do_notify_resume+0x2450/0x309c [ 77.305643][ T4713] el0_svc+0xf0/0x1d0 [ 77.306218][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.306958][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.425891][ T4984] loop0: detected capacity change from 0 to 32768 [ 77.509594][ T4713] BUG: Bad page state in process syz-executor pfn:11e5c4 [ 77.510849][ T4713] page:00000000eb50533f refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11e5c4 [ 77.512615][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.514173][ T4713] raw: 05ffc00000002006 fffffc0003451548 ffff80001be775c0 0000000000000000 [ 77.515552][ T4713] raw: 0000000000000004 ffff0000d12a23e0 00000000ffffffff 0000000000000000 [ 77.516874][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.518233][ T4713] Modules linked in: [ 77.518839][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.520343][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.521986][ T4713] Call trace: [ 77.522472][ T4713] dump_backtrace+0x0/0x458 [ 77.523171][ T4713] show_stack+0x2c/0x3c [ 77.523810][ T4713] __dump_stack+0x30/0x40 [ 77.524457][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.525195][ T4713] dump_stack+0x1c/0x5c [ 77.525879][ T4713] bad_page+0x188/0x1a8 [ 77.526585][ T4713] check_free_page_bad+0xf4/0x16c [ 77.527434][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.528355][ T4713] free_unref_page_list+0xdc/0x730 [ 77.529184][ T4713] release_pages+0x13bc/0x16dc [ 77.529933][ T4713] __pagevec_release+0x84/0xf8 [ 77.530653][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.531546][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.532377][ T4713] dbUnmount+0xf4/0x168 [ 77.533004][ T4713] jfs_umount+0x1c4/0x328 [ 77.533648][ T4713] jfs_put_super+0x90/0x188 [ 77.534342][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.535130][ T4713] kill_block_super+0x70/0xdc [ 77.535912][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.536786][ T4713] deactivate_super+0xf0/0x110 [ 77.537537][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.538172][ T4713] __cleanup_mnt+0x20/0x30 [ 77.538852][ T4713] task_work_run+0x12c/0x1d8 [ 77.539561][ T4713] do_notify_resume+0x2450/0x309c [ 77.540356][ T4713] el0_svc+0xf0/0x1d0 [ 77.541028][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.541823][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.542820][ T4713] BUG: Bad page state in process syz-executor pfn:111455 [ 77.543908][ T4713] page:00000000290b465d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111455 [ 77.545421][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.546974][ T4713] raw: 05ffc00000002006 fffffc00031e9b48 ffff80001be775c0 0000000000000000 [ 77.548701][ T4713] raw: 0000000000000003 ffff0000d12a24d8 00000000ffffffff 0000000000000000 [ 77.549992][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.551101][ T4713] Modules linked in: [ 77.551718][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.553140][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.554762][ T4713] Call trace: [ 77.555263][ T4713] dump_backtrace+0x0/0x458 [ 77.555967][ T4713] show_stack+0x2c/0x3c [ 77.556591][ T4713] __dump_stack+0x30/0x40 [ 77.557261][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.558013][ T4713] dump_stack+0x1c/0x5c [ 77.558647][ T4713] bad_page+0x188/0x1a8 [ 77.559335][ T4713] check_free_page_bad+0xf4/0x16c [ 77.560064][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.560946][ T4713] free_unref_page_list+0xdc/0x730 [ 77.561754][ T4713] release_pages+0x13bc/0x16dc [ 77.562485][ T4713] __pagevec_release+0x84/0xf8 [ 77.563220][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.564140][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.564932][ T4713] dbUnmount+0xf4/0x168 [ 77.565554][ T4713] jfs_umount+0x1c4/0x328 [ 77.566244][ T4713] jfs_put_super+0x90/0x188 [ 77.566940][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.567798][ T4713] kill_block_super+0x70/0xdc [ 77.568510][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.569322][ T4713] deactivate_super+0xf0/0x110 [ 77.570069][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.570804][ T4713] __cleanup_mnt+0x20/0x30 [ 77.571488][ T4713] task_work_run+0x12c/0x1d8 [ 77.572235][ T4713] do_notify_resume+0x2450/0x309c [ 77.572946][ T4713] el0_svc+0xf0/0x1d0 [ 77.573520][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.574277][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.683380][ T4986] loop0: detected capacity change from 0 to 32768 [ 77.738547][ T4713] BUG: Bad page state in process syz-executor pfn:111a12 [ 77.739743][ T4713] page:0000000049f546bb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111a12 [ 77.741483][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.742980][ T4713] raw: 05ffc00000002006 fffffc00036aaa48 ffff80001be775c0 0000000000000000 [ 77.744347][ T4713] raw: 0000000000000004 ffff0000e8ec57c0 00000000ffffffff 0000000000000000 [ 77.745735][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.746894][ T4713] Modules linked in: [ 77.747521][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.748976][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.750664][ T4713] Call trace: [ 77.751241][ T4713] dump_backtrace+0x0/0x458 [ 77.751949][ T4713] show_stack+0x2c/0x3c [ 77.752638][ T4713] __dump_stack+0x30/0x40 [ 77.753354][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.754104][ T4713] dump_stack+0x1c/0x5c [ 77.754748][ T4713] bad_page+0x188/0x1a8 [ 77.755443][ T4713] check_free_page_bad+0xf4/0x16c [ 77.756262][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.757117][ T4713] free_unref_page_list+0xdc/0x730 [ 77.757915][ T4713] release_pages+0x13bc/0x16dc [ 77.758675][ T4713] __pagevec_release+0x84/0xf8 [ 77.759440][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.760335][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.761138][ T4713] dbUnmount+0xf4/0x168 [ 77.761763][ T4713] jfs_umount+0x1c4/0x328 [ 77.762431][ T4713] jfs_put_super+0x90/0x188 [ 77.763134][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.763959][ T4713] kill_block_super+0x70/0xdc [ 77.764707][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.765559][ T4713] deactivate_super+0xf0/0x110 [ 77.766268][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.767055][ T4713] __cleanup_mnt+0x20/0x30 [ 77.767847][ T4713] task_work_run+0x12c/0x1d8 [ 77.768589][ T4713] do_notify_resume+0x2450/0x309c [ 77.769453][ T4713] el0_svc+0xf0/0x1d0 [ 77.770135][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.770966][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.772292][ T4713] BUG: Bad page state in process syz-executor pfn:11aaa9 [ 77.773447][ T4713] page:0000000045f152e3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11aaa9 [ 77.775074][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.776634][ T4713] raw: 05ffc00000002006 fffffc00032dd488 ffff80001be775c0 0000000000000000 [ 77.778368][ T4713] raw: 0000000000000003 ffff0000e8ec58b8 00000000ffffffff 0000000000000000 [ 77.779641][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.780815][ T4713] Modules linked in: [ 77.781462][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.782843][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.784543][ T4713] Call trace: [ 77.785117][ T4713] dump_backtrace+0x0/0x458 [ 77.785834][ T4713] show_stack+0x2c/0x3c [ 77.786516][ T4713] __dump_stack+0x30/0x40 [ 77.787216][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.787940][ T4713] dump_stack+0x1c/0x5c [ 77.788639][ T4713] bad_page+0x188/0x1a8 [ 77.789303][ T4713] check_free_page_bad+0xf4/0x16c [ 77.790064][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.790907][ T4713] free_unref_page_list+0xdc/0x730 [ 77.791692][ T4713] release_pages+0x13bc/0x16dc [ 77.792438][ T4713] __pagevec_release+0x84/0xf8 [ 77.793254][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 77.794216][ T4713] truncate_inode_pages+0x2c/0x3c [ 77.795048][ T4713] dbUnmount+0xf4/0x168 [ 77.795723][ T4713] jfs_umount+0x1c4/0x328 [ 77.796410][ T4713] jfs_put_super+0x90/0x188 [ 77.797167][ T4713] generic_shutdown_super+0x130/0x2f0 [ 77.798014][ T4713] kill_block_super+0x70/0xdc [ 77.798745][ T4713] deactivate_locked_super+0xb8/0x134 [ 77.799584][ T4713] deactivate_super+0xf0/0x110 [ 77.800355][ T4713] cleanup_mnt+0x3b8/0x46c [ 77.801081][ T4713] __cleanup_mnt+0x20/0x30 [ 77.801809][ T4713] task_work_run+0x12c/0x1d8 [ 77.802594][ T4713] do_notify_resume+0x2450/0x309c [ 77.803503][ T4713] el0_svc+0xf0/0x1d0 [ 77.804156][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 77.804979][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 77.923500][ T4988] loop0: detected capacity change from 0 to 32768 [ 77.981049][ T4713] BUG: Bad page state in process syz-executor pfn:1129dd [ 77.982249][ T4713] page:00000000dee0ad35 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1129dd [ 77.983976][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.985562][ T4713] raw: 05ffc00000002006 fffffc00031566c8 ffff80001be775c0 0000000000000000 [ 77.986938][ T4713] raw: 0000000000000004 ffff0000ec8aa5d0 00000000ffffffff 0000000000000000 [ 77.988816][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.989942][ T4713] Modules linked in: [ 77.990584][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.992072][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.993733][ T4713] Call trace: [ 77.994251][ T4713] dump_backtrace+0x0/0x458 [ 77.994920][ T4713] show_stack+0x2c/0x3c [ 77.995558][ T4713] __dump_stack+0x30/0x40 [ 77.996176][ T4713] dump_stack_lvl+0xf4/0x15c [ 77.996850][ T4713] dump_stack+0x1c/0x5c [ 77.997552][ T4713] bad_page+0x188/0x1a8 [ 77.998232][ T4713] check_free_page_bad+0xf4/0x16c [ 77.999012][ T4713] free_unref_page_prepare+0x738/0xa84 [ 77.999891][ T4713] free_unref_page_list+0xdc/0x730 [ 78.000657][ T4713] release_pages+0x13bc/0x16dc [ 78.001395][ T4713] __pagevec_release+0x84/0xf8 [ 78.002173][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.003072][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.003846][ T4713] dbUnmount+0xf4/0x168 [ 78.004493][ T4713] jfs_umount+0x1c4/0x328 [ 78.005209][ T4713] jfs_put_super+0x90/0x188 [ 78.005932][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.006793][ T4713] kill_block_super+0x70/0xdc [ 78.007520][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.008391][ T4713] deactivate_super+0xf0/0x110 [ 78.009156][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.009854][ T4713] __cleanup_mnt+0x20/0x30 [ 78.010589][ T4713] task_work_run+0x12c/0x1d8 [ 78.011384][ T4713] do_notify_resume+0x2450/0x309c [ 78.012215][ T4713] el0_svc+0xf0/0x1d0 [ 78.012879][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.013666][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.015253][ T4713] BUG: Bad page state in process syz-executor pfn:10559b [ 78.016352][ T4713] page:00000000048a232c refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10559b [ 78.018074][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.019566][ T4713] raw: 05ffc00000002006 fffffc0003b00ec8 ffff80001be775c0 0000000000000000 [ 78.020928][ T4713] raw: 0000000000000003 ffff0000ec8aa6c8 00000000ffffffff 0000000000000000 [ 78.022277][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.023380][ T4713] Modules linked in: [ 78.024020][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.025428][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.026981][ T4713] Call trace: [ 78.027467][ T4713] dump_backtrace+0x0/0x458 [ 78.028262][ T4713] show_stack+0x2c/0x3c [ 78.028991][ T4713] __dump_stack+0x30/0x40 [ 78.029701][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.030463][ T4713] dump_stack+0x1c/0x5c [ 78.031175][ T4713] bad_page+0x188/0x1a8 [ 78.031858][ T4713] check_free_page_bad+0xf4/0x16c [ 78.032702][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.033630][ T4713] free_unref_page_list+0xdc/0x730 [ 78.034494][ T4713] release_pages+0x13bc/0x16dc [ 78.035304][ T4713] __pagevec_release+0x84/0xf8 [ 78.036075][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.036932][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.037717][ T4713] dbUnmount+0xf4/0x168 [ 78.038407][ T4713] jfs_umount+0x1c4/0x328 [ 78.039133][ T4713] jfs_put_super+0x90/0x188 [ 78.039853][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.040705][ T4713] kill_block_super+0x70/0xdc [ 78.041477][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.042267][ T4713] deactivate_super+0xf0/0x110 [ 78.043034][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.043728][ T4713] __cleanup_mnt+0x20/0x30 [ 78.044374][ T4713] task_work_run+0x12c/0x1d8 [ 78.045114][ T4713] do_notify_resume+0x2450/0x309c [ 78.045942][ T4713] el0_svc+0xf0/0x1d0 [ 78.046616][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.047371][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.164788][ T4990] loop0: detected capacity change from 0 to 32768 [ 78.219860][ T4713] BUG: Bad page state in process syz-executor pfn:1083d0 [ 78.221063][ T4713] page:00000000e4bc9887 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1083d0 [ 78.222812][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.224382][ T4713] raw: 05ffc00000002006 fffffc0003231b48 ffff80001be775c0 0000000000000000 [ 78.225874][ T4713] raw: 0000000000000004 ffff0000e7bd29b0 00000000ffffffff 0000000000000000 [ 78.227288][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.228814][ T4713] Modules linked in: [ 78.229439][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.230929][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.232497][ T4713] Call trace: [ 78.232992][ T4713] dump_backtrace+0x0/0x458 [ 78.233666][ T4713] show_stack+0x2c/0x3c [ 78.234315][ T4713] __dump_stack+0x30/0x40 [ 78.234972][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.235621][ T4713] dump_stack+0x1c/0x5c [ 78.236281][ T4713] bad_page+0x188/0x1a8 [ 78.236942][ T4713] check_free_page_bad+0xf4/0x16c [ 78.237712][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.238602][ T4713] free_unref_page_list+0xdc/0x730 [ 78.239389][ T4713] release_pages+0x13bc/0x16dc [ 78.240146][ T4713] __pagevec_release+0x84/0xf8 [ 78.240926][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.241844][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.242694][ T4713] dbUnmount+0xf4/0x168 [ 78.243342][ T4713] jfs_umount+0x1c4/0x328 [ 78.244000][ T4713] jfs_put_super+0x90/0x188 [ 78.244650][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.245496][ T4713] kill_block_super+0x70/0xdc [ 78.246209][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.247006][ T4713] deactivate_super+0xf0/0x110 [ 78.247761][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.248433][ T4713] __cleanup_mnt+0x20/0x30 [ 78.249170][ T4713] task_work_run+0x12c/0x1d8 [ 78.249967][ T4713] do_notify_resume+0x2450/0x309c [ 78.250837][ T4713] el0_svc+0xf0/0x1d0 [ 78.251512][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.252346][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.253778][ T4713] BUG: Bad page state in process syz-executor pfn:108c6d [ 78.254869][ T4713] page:000000000cc5615f refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x108c6d [ 78.256324][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.257926][ T4713] raw: 05ffc00000002006 fffffc0003b16dc8 ffff80001be775c0 0000000000000000 [ 78.259290][ T4713] raw: 0000000000000003 ffff0000e7bd2aa8 00000000ffffffff 0000000000000000 [ 78.260653][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.261803][ T4713] Modules linked in: [ 78.262466][ T4713] CPU: 0 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.263883][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.265438][ T4713] Call trace: [ 78.265899][ T4713] dump_backtrace+0x0/0x458 [ 78.266612][ T4713] show_stack+0x2c/0x3c [ 78.267231][ T4713] __dump_stack+0x30/0x40 [ 78.267895][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.268593][ T4713] dump_stack+0x1c/0x5c [ 78.269238][ T4713] bad_page+0x188/0x1a8 [ 78.269852][ T4713] check_free_page_bad+0xf4/0x16c [ 78.270613][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.271471][ T4713] free_unref_page_list+0xdc/0x730 [ 78.272310][ T4713] release_pages+0x13bc/0x16dc [ 78.273117][ T4713] __pagevec_release+0x84/0xf8 [ 78.273880][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.274858][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.275710][ T4713] dbUnmount+0xf4/0x168 [ 78.276371][ T4713] jfs_umount+0x1c4/0x328 [ 78.277064][ T4713] jfs_put_super+0x90/0x188 [ 78.277829][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.278791][ T4713] kill_block_super+0x70/0xdc [ 78.279527][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.280397][ T4713] deactivate_super+0xf0/0x110 [ 78.281162][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.281863][ T4713] __cleanup_mnt+0x20/0x30 [ 78.282597][ T4713] task_work_run+0x12c/0x1d8 [ 78.283409][ T4713] do_notify_resume+0x2450/0x309c [ 78.284196][ T4713] el0_svc+0xf0/0x1d0 [ 78.284826][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.285574][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.423323][ T4992] loop0: detected capacity change from 0 to 32768 [ 78.474929][ T4713] BUG: Bad page state in process syz-executor pfn:10a519 [ 78.476074][ T4713] page:00000000a0cabcc2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a519 [ 78.477977][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.479402][ T4713] raw: 05ffc00000002006 fffffc000344c148 ffff80001be775c0 0000000000000000 [ 78.480618][ T4713] raw: 0000000000000004 ffff0000c8bcc7c0 00000000ffffffff 0000000000000000 [ 78.482044][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.483167][ T4713] Modules linked in: [ 78.483833][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.485333][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.487058][ T4713] Call trace: [ 78.487563][ T4713] dump_backtrace+0x0/0x458 [ 78.488264][ T4713] show_stack+0x2c/0x3c [ 78.488912][ T4713] __dump_stack+0x30/0x40 [ 78.489659][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.490370][ T4713] dump_stack+0x1c/0x5c [ 78.491140][ T4713] bad_page+0x188/0x1a8 [ 78.491815][ T4713] check_free_page_bad+0xf4/0x16c [ 78.492618][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.493481][ T4713] free_unref_page_list+0xdc/0x730 [ 78.494360][ T4713] release_pages+0x13bc/0x16dc [ 78.495236][ T4713] __pagevec_release+0x84/0xf8 [ 78.496065][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.496992][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.497810][ T4713] dbUnmount+0xf4/0x168 [ 78.498547][ T4713] jfs_umount+0x1c4/0x328 [ 78.499283][ T4713] jfs_put_super+0x90/0x188 [ 78.500056][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.500957][ T4713] kill_block_super+0x70/0xdc [ 78.501754][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.502629][ T4713] deactivate_super+0xf0/0x110 [ 78.503421][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.504152][ T4713] __cleanup_mnt+0x20/0x30 [ 78.504843][ T4713] task_work_run+0x12c/0x1d8 [ 78.505529][ T4713] do_notify_resume+0x2450/0x309c [ 78.506415][ T4713] el0_svc+0xf0/0x1d0 [ 78.507106][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.508014][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.508913][ T4713] BUG: Bad page state in process syz-executor pfn:111305 [ 78.510061][ T4713] page:00000000e502854d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111305 [ 78.511674][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.513296][ T4713] raw: 05ffc00000002006 fffffc00034f5088 ffff80001be775c0 0000000000000000 [ 78.514712][ T4713] raw: 0000000000000003 ffff0000c8bcc8b8 00000000ffffffff 0000000000000000 [ 78.516158][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.517392][ T4713] Modules linked in: [ 78.518543][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.519900][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.521482][ T4713] Call trace: [ 78.522011][ T4713] dump_backtrace+0x0/0x458 [ 78.522788][ T4713] show_stack+0x2c/0x3c [ 78.523415][ T4713] __dump_stack+0x30/0x40 [ 78.524086][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.524802][ T4713] dump_stack+0x1c/0x5c [ 78.525452][ T4713] bad_page+0x188/0x1a8 [ 78.526102][ T4713] check_free_page_bad+0xf4/0x16c [ 78.526910][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.527709][ T4713] free_unref_page_list+0xdc/0x730 [ 78.528546][ T4713] release_pages+0x13bc/0x16dc [ 78.529351][ T4713] __pagevec_release+0x84/0xf8 [ 78.530177][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.531154][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.531986][ T4713] dbUnmount+0xf4/0x168 [ 78.532683][ T4713] jfs_umount+0x1c4/0x328 [ 78.533408][ T4713] jfs_put_super+0x90/0x188 [ 78.534205][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.534998][ T4713] kill_block_super+0x70/0xdc [ 78.535744][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.536542][ T4713] deactivate_super+0xf0/0x110 [ 78.537293][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.538066][ T4713] __cleanup_mnt+0x20/0x30 [ 78.538786][ T4713] task_work_run+0x12c/0x1d8 [ 78.539486][ T4713] do_notify_resume+0x2450/0x309c [ 78.540306][ T4713] el0_svc+0xf0/0x1d0 [ 78.540903][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.541732][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.653500][ T4994] loop0: detected capacity change from 0 to 32768 [ 78.709880][ T4713] BUG: Bad page state in process syz-executor pfn:113b6e [ 78.711064][ T4713] page:00000000466d71df refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x113b6e [ 78.712662][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.714177][ T4713] raw: 05ffc00000002006 fffffc0003a020c8 ffff80001be775c0 0000000000000000 [ 78.715644][ T4713] raw: 0000000000000004 ffff0000cd72a9b0 00000000ffffffff 0000000000000000 [ 78.716982][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.718379][ T4713] Modules linked in: [ 78.718953][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.720369][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.721947][ T4713] Call trace: [ 78.722503][ T4713] dump_backtrace+0x0/0x458 [ 78.723239][ T4713] show_stack+0x2c/0x3c [ 78.723898][ T4713] __dump_stack+0x30/0x40 [ 78.724532][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.725226][ T4713] dump_stack+0x1c/0x5c [ 78.725869][ T4713] bad_page+0x188/0x1a8 [ 78.726493][ T4713] check_free_page_bad+0xf4/0x16c [ 78.727273][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.728186][ T4713] free_unref_page_list+0xdc/0x730 [ 78.729003][ T4713] release_pages+0x13bc/0x16dc [ 78.729738][ T4713] __pagevec_release+0x84/0xf8 [ 78.730546][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.731454][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.732229][ T4713] dbUnmount+0xf4/0x168 [ 78.732906][ T4713] jfs_umount+0x1c4/0x328 [ 78.733671][ T4713] jfs_put_super+0x90/0x188 [ 78.734425][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.735267][ T4713] kill_block_super+0x70/0xdc [ 78.736051][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.736906][ T4713] deactivate_super+0xf0/0x110 [ 78.737734][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.738528][ T4713] __cleanup_mnt+0x20/0x30 [ 78.739281][ T4713] task_work_run+0x12c/0x1d8 [ 78.740127][ T4713] do_notify_resume+0x2450/0x309c [ 78.740971][ T4713] el0_svc+0xf0/0x1d0 [ 78.741588][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.742499][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.743472][ T4713] BUG: Bad page state in process syz-executor pfn:128083 [ 78.744620][ T4713] page:00000000ee0418c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x128083 [ 78.746333][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.747865][ T4713] raw: 05ffc00000002006 fffffc0003a31248 ffff80001be775c0 0000000000000000 [ 78.749254][ T4713] raw: 0000000000000003 ffff0000cd72aaa8 00000000ffffffff 0000000000000000 [ 78.750612][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.751707][ T4713] Modules linked in: [ 78.752269][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.753644][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.755157][ T4713] Call trace: [ 78.755626][ T4713] dump_backtrace+0x0/0x458 [ 78.756322][ T4713] show_stack+0x2c/0x3c [ 78.756973][ T4713] __dump_stack+0x30/0x40 [ 78.757622][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.758347][ T4713] dump_stack+0x1c/0x5c [ 78.758994][ T4713] bad_page+0x188/0x1a8 [ 78.759626][ T4713] check_free_page_bad+0xf4/0x16c [ 78.760424][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.761223][ T4713] free_unref_page_list+0xdc/0x730 [ 78.761995][ T4713] release_pages+0x13bc/0x16dc [ 78.762744][ T4713] __pagevec_release+0x84/0xf8 [ 78.763452][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.764303][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.765028][ T4713] dbUnmount+0xf4/0x168 [ 78.765673][ T4713] jfs_umount+0x1c4/0x328 [ 78.766344][ T4713] jfs_put_super+0x90/0x188 [ 78.767058][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.767877][ T4713] kill_block_super+0x70/0xdc [ 78.768617][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.769458][ T4713] deactivate_super+0xf0/0x110 [ 78.770323][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.771099][ T4713] __cleanup_mnt+0x20/0x30 [ 78.771862][ T4713] task_work_run+0x12c/0x1d8 [ 78.772590][ T4713] do_notify_resume+0x2450/0x309c [ 78.773380][ T4713] el0_svc+0xf0/0x1d0 [ 78.774058][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.774888][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.873325][ T4996] loop0: detected capacity change from 0 to 32768 [ 78.928577][ T4713] BUG: Bad page state in process syz-executor pfn:12c822 [ 78.929688][ T4713] page:000000005a766264 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c822 [ 78.931438][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.933118][ T4713] raw: 05ffc00000002006 fffffc000346e948 ffff80001be775c0 0000000000000000 [ 78.934519][ T4713] raw: 0000000000000004 ffff0000c793aba0 00000000ffffffff 0000000000000000 [ 78.935987][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.937292][ T4713] Modules linked in: [ 78.938124][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.939594][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.941283][ T4713] Call trace: [ 78.941796][ T4713] dump_backtrace+0x0/0x458 [ 78.942480][ T4713] show_stack+0x2c/0x3c [ 78.943153][ T4713] __dump_stack+0x30/0x40 [ 78.943928][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.944707][ T4713] dump_stack+0x1c/0x5c [ 78.945330][ T4713] bad_page+0x188/0x1a8 [ 78.945986][ T4713] check_free_page_bad+0xf4/0x16c [ 78.946762][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.947631][ T4713] free_unref_page_list+0xdc/0x730 [ 78.948431][ T4713] release_pages+0x13bc/0x16dc [ 78.949208][ T4713] __pagevec_release+0x84/0xf8 [ 78.950010][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.950882][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.951659][ T4713] dbUnmount+0xf4/0x168 [ 78.952331][ T4713] jfs_umount+0x1c4/0x328 [ 78.953113][ T4713] jfs_put_super+0x90/0x188 [ 78.953888][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.954763][ T4713] kill_block_super+0x70/0xdc [ 78.955539][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.956448][ T4713] deactivate_super+0xf0/0x110 [ 78.957209][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.957861][ T4713] __cleanup_mnt+0x20/0x30 [ 78.958553][ T4713] task_work_run+0x12c/0x1d8 [ 78.959262][ T4713] do_notify_resume+0x2450/0x309c [ 78.960054][ T4713] el0_svc+0xf0/0x1d0 [ 78.960646][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.961339][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 78.962435][ T4713] BUG: Bad page state in process syz-executor pfn:111ba5 [ 78.963500][ T4713] page:0000000014cfbdca refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x111ba5 [ 78.965089][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.966690][ T4713] raw: 05ffc00000002006 fffffc00032eac48 ffff80001be775c0 0000000000000000 [ 78.968060][ T4713] raw: 0000000000000003 ffff0000c793ac98 00000000ffffffff 0000000000000000 [ 78.969446][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.970576][ T4713] Modules linked in: [ 78.971229][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.972682][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.974222][ T4713] Call trace: [ 78.974720][ T4713] dump_backtrace+0x0/0x458 [ 78.975392][ T4713] show_stack+0x2c/0x3c [ 78.976025][ T4713] __dump_stack+0x30/0x40 [ 78.976728][ T4713] dump_stack_lvl+0xf4/0x15c [ 78.977435][ T4713] dump_stack+0x1c/0x5c [ 78.978109][ T4713] bad_page+0x188/0x1a8 [ 78.978840][ T4713] check_free_page_bad+0xf4/0x16c [ 78.979669][ T4713] free_unref_page_prepare+0x738/0xa84 [ 78.980538][ T4713] free_unref_page_list+0xdc/0x730 [ 78.981343][ T4713] release_pages+0x13bc/0x16dc [ 78.982147][ T4713] __pagevec_release+0x84/0xf8 [ 78.982973][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 78.983919][ T4713] truncate_inode_pages+0x2c/0x3c [ 78.984758][ T4713] dbUnmount+0xf4/0x168 [ 78.985492][ T4713] jfs_umount+0x1c4/0x328 [ 78.986255][ T4713] jfs_put_super+0x90/0x188 [ 78.987062][ T4713] generic_shutdown_super+0x130/0x2f0 [ 78.987991][ T4713] kill_block_super+0x70/0xdc [ 78.988773][ T4713] deactivate_locked_super+0xb8/0x134 [ 78.989656][ T4713] deactivate_super+0xf0/0x110 [ 78.990412][ T4713] cleanup_mnt+0x3b8/0x46c [ 78.991104][ T4713] __cleanup_mnt+0x20/0x30 [ 78.991855][ T4713] task_work_run+0x12c/0x1d8 [ 78.992668][ T4713] do_notify_resume+0x2450/0x309c [ 78.993514][ T4713] el0_svc+0xf0/0x1d0 [ 78.994226][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 78.995052][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 79.102636][ T4998] loop0: detected capacity change from 0 to 32768 [ 79.169153][ T4713] BUG: Bad page state in process syz-executor pfn:12c04e [ 79.170401][ T4713] page:00000000aab7c2d6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c04e [ 79.172021][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.173473][ T4713] raw: 05ffc00000002006 fffffc000309d8c8 ffff80001be775c0 0000000000000000 [ 79.174718][ T4713] raw: 0000000000000004 ffff0000ec8bbd90 00000000ffffffff 0000000000000000 [ 79.177831][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.179064][ T4713] Modules linked in: [ 79.179747][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.181277][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.182949][ T4713] Call trace: [ 79.183434][ T4713] dump_backtrace+0x0/0x458 [ 79.184148][ T4713] show_stack+0x2c/0x3c [ 79.184766][ T4713] __dump_stack+0x30/0x40 [ 79.185468][ T4713] dump_stack_lvl+0xf4/0x15c [ 79.186163][ T4713] dump_stack+0x1c/0x5c [ 79.186815][ T4713] bad_page+0x188/0x1a8 [ 79.187535][ T4713] check_free_page_bad+0xf4/0x16c [ 79.188376][ T4713] free_unref_page_prepare+0x738/0xa84 [ 79.189287][ T4713] free_unref_page_list+0xdc/0x730 [ 79.190133][ T4713] release_pages+0x13bc/0x16dc [ 79.190958][ T4713] __pagevec_release+0x84/0xf8 [ 79.191753][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 79.192637][ T4713] truncate_inode_pages+0x2c/0x3c [ 79.193428][ T4713] dbUnmount+0xf4/0x168 [ 79.194121][ T4713] jfs_umount+0x1c4/0x328 [ 79.194872][ T4713] jfs_put_super+0x90/0x188 [ 79.195637][ T4713] generic_shutdown_super+0x130/0x2f0 [ 79.196548][ T4713] kill_block_super+0x70/0xdc [ 79.197389][ T4713] deactivate_locked_super+0xb8/0x134 [ 79.198233][ T4713] deactivate_super+0xf0/0x110 [ 79.199043][ T4713] cleanup_mnt+0x3b8/0x46c [ 79.199784][ T4713] __cleanup_mnt+0x20/0x30 [ 79.200533][ T4713] task_work_run+0x12c/0x1d8 [ 79.201245][ T4713] do_notify_resume+0x2450/0x309c [ 79.202042][ T4713] el0_svc+0xf0/0x1d0 [ 79.202656][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 79.203488][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 79.204379][ T4713] BUG: Bad page state in process syz-executor pfn:102763 [ 79.205419][ T4713] page:0000000094248469 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x102763 [ 79.207042][ T4713] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.209067][ T4713] raw: 05ffc00000002006 fffffc00031e6488 ffff80001be775c0 0000000000000000 [ 79.210468][ T4713] raw: 0000000000000003 ffff0000ec8bbe88 00000000ffffffff 0000000000000000 [ 79.211922][ T4713] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.213091][ T4713] Modules linked in: [ 79.213699][ T4713] CPU: 1 PID: 4713 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.215123][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.216720][ T4713] Call trace: [ 79.217296][ T4713] dump_backtrace+0x0/0x458 [ 79.218079][ T4713] show_stack+0x2c/0x3c [ 79.218760][ T4713] __dump_stack+0x30/0x40 [ 79.219480][ T4713] dump_stack_lvl+0xf4/0x15c [ 79.220220][ T4713] dump_stack+0x1c/0x5c [ 79.220901][ T4713] bad_page+0x188/0x1a8 [ 79.221560][ T4713] check_free_page_bad+0xf4/0x16c [ 79.222372][ T4713] free_unref_page_prepare+0x738/0xa84 [ 79.223336][ T4713] free_unref_page_list+0xdc/0x730 [ 79.224182][ T4713] release_pages+0x13bc/0x16dc [ 79.225050][ T4713] __pagevec_release+0x84/0xf8 [ 79.225889][ T4713] truncate_inode_pages_range+0x2c8/0xa04 [ 79.226828][ T4713] truncate_inode_pages+0x2c/0x3c [ 79.227690][ T4713] dbUnmount+0xf4/0x168 [ 79.228397][ T4713] jfs_umount+0x1c4/0x328 [ 79.229125][ T4713] jfs_put_super+0x90/0x188 [ 79.229895][ T4713] generic_shutdown_super+0x130/0x2f0 [ 79.230746][ T4713] kill_block_super+0x70/0xdc [ 79.231533][ T4713] deactivate_locked_super+0xb8/0x134 [ 79.232465][ T4713] deactivate_super+0xf0/0x110 [ 79.233241][ T4713] cleanup_mnt+0x3b8/0x46c [ 79.233939][ T4713] __cleanup_mnt+0x20/0x30 [ 79.234645][ T4713] task_work_run+0x12c/0x1d8 [ 79.235362][ T4713] do_notify_resume+0x2450/0x309c [ 79.236149][ T4713] el0_svc+0xf0/0x1d0 [ 79.236777][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 79.237572][ T4713] el0t_64_sync+0x1a0/0x1a4