Warning: Permanently added '10.128.10.0' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 parsed 1 programs [ 63.838210][ T4488] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 67.481456][ T4569] chnl_net:caif_netlink_parms(): no params data found [ 67.501786][ T4569] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.503016][ T4569] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.504616][ T4569] device bridge_slave_0 entered promiscuous mode [ 67.507185][ T4569] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.508275][ T4569] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.509746][ T4569] device bridge_slave_1 entered promiscuous mode [ 67.520612][ T4569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.523256][ T4569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.531785][ T4569] team0: Port device team_slave_0 added [ 67.533691][ T4569] team0: Port device team_slave_1 added [ 67.541688][ T4569] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.542773][ T4569] 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. [ 67.546752][ T4569] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.549015][ T4569] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.550181][ T4569] 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. [ 67.554033][ T4569] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.616467][ T4569] device hsr_slave_0 entered promiscuous mode [ 67.645076][ T4569] device hsr_slave_1 entered promiscuous mode [ 68.276386][ T4569] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.326590][ T4569] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.366899][ T4569] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.407824][ T4569] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.528442][ T4569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.532420][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.534113][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.538323][ T4569] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.540844][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.542416][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.543701][ T1043] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.544723][ T1043] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.550286][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.551959][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.553765][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.559421][ T1043] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.560440][ T1043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.561833][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.565772][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.578716][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.581188][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.582810][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.584390][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.587061][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.589008][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.591926][ T4569] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.594397][ T4569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.598513][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.600526][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.602002][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.673797][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.675255][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.678628][ T4569] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.684933][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.686650][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.697715][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.699467][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.701204][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.702607][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.705544][ T4569] device veth0_vlan entered promiscuous mode [ 68.710446][ T4569] device veth1_vlan entered promiscuous mode [ 68.724338][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.726299][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.727778][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.729236][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.733799][ T4569] device veth0_macvtap entered promiscuous mode [ 68.736261][ T4569] device veth1_macvtap entered promiscuous mode [ 68.741231][ T4569] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.743683][ T4569] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.747258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.748843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.750277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.751737][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.753294][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.755289][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.757748][ T4569] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.759024][ T4569] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.760237][ T4569] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.761441][ T4569] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.160030][ T1043] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.161373][ T1043] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.163174][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.173849][ T1043] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.175537][ T1043] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.177688][ T1043] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:09 executed programs: 0 [ 69.465514][ T4774] chnl_net:caif_netlink_parms(): no params data found [ 69.486657][ T4774] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.487926][ T4774] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.489507][ T4774] device bridge_slave_0 entered promiscuous mode [ 69.491595][ T4774] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.492748][ T4774] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.494364][ T4774] device bridge_slave_1 entered promiscuous mode [ 69.505560][ T4774] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.508273][ T4774] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.519449][ T4774] team0: Port device team_slave_0 added [ 69.521367][ T4774] team0: Port device team_slave_1 added [ 69.532189][ T4774] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.533310][ T4774] 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. [ 69.538998][ T4774] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.550922][ T4774] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.552037][ T4774] 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. [ 69.555978][ T4774] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.606099][ T3344] cfg80211: failed to load regulatory.db [ 69.616155][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.617265][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.623470][ T4774] device hsr_slave_0 entered promiscuous mode [ 69.705038][ T4774] device hsr_slave_1 entered promiscuous mode [ 69.744845][ T4774] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.746040][ T4774] Cannot create hsr debugfs directory [ 69.831151][ T4774] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.444992][ T4066] Bluetooth: hci0: command 0x0409 tx timeout [ 72.449143][ T4774] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.525076][ T4691] Bluetooth: hci0: command 0x041b tx timeout [ 74.580804][ T4774] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.619817][ T4774] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.769777][ T4774] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.826226][ T4774] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.886366][ T4774] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.948998][ T4774] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.044727][ T4774] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.048752][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.050345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.052975][ T4774] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.055657][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.057311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.058735][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.059888][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.061582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.064193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.067556][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.069001][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.070118][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.080569][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.083365][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.087556][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.089357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.090958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.093577][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.096267][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.099183][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.100554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.103262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.105092][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.107653][ T4774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.152028][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.153254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.166858][ T4774] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.173076][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.174717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.182948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.184492][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.186483][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.187942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.190336][ T4774] device veth0_vlan entered promiscuous mode [ 75.194324][ T4774] device veth1_vlan entered promiscuous mode [ 75.203234][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.205648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.207244][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.208809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.212259][ T4774] device veth0_macvtap entered promiscuous mode [ 75.215612][ T4774] device veth1_macvtap entered promiscuous mode [ 75.220631][ T4774] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.222286][ T4774] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.224377][ T4774] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.225909][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.227444][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.228984][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.230525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.232931][ T4774] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.234508][ T4774] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.237374][ T4774] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.238701][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.240269][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.243200][ T4774] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.244521][ T4774] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.246458][ T4774] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.247754][ T4774] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.273571][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.275296][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.278249][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.285236][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.286602][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.288216][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:15 executed programs: 2 [ 75.416510][ T4980] loop0: detected capacity change from 0 to 32768 [ 75.576639][ T4774] BUG: Bad page state in process syz-executor pfn:12c7dc [ 75.577895][ T4774] page:00000000d22bfa05 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c7dc [ 75.579454][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.580908][ T4774] raw: 05ffc00000002006 fffffc00035b1b88 ffff80001fcf75c0 0000000000000000 [ 75.582072][ T4774] raw: 0000000000000004 ffff0000c9b251f0 00000000ffffffff 0000000000000000 [ 75.583335][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.584411][ T4774] Modules linked in: [ 75.585645][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Not tainted syzkaller #0 [ 75.586795][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.588269][ T4774] Call trace: [ 75.588747][ T4774] dump_backtrace+0x0/0x458 [ 75.589445][ T4774] show_stack+0x2c/0x3c [ 75.590160][ T4774] __dump_stack+0x30/0x40 [ 75.590771][ T4774] dump_stack_lvl+0xf4/0x15c [ 75.591486][ T4774] dump_stack+0x1c/0x5c [ 75.592109][ T4774] bad_page+0x188/0x1a8 [ 75.592767][ T4774] check_free_page_bad+0xf4/0x16c [ 75.593477][ T4774] free_unref_page_prepare+0x738/0xa84 [ 75.594307][ T4774] free_unref_page_list+0xdc/0x730 [ 75.595071][ T4774] release_pages+0x13bc/0x16dc [ 75.595783][ T4774] __pagevec_release+0x84/0xf8 [ 75.596491][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 75.597390][ T4774] truncate_inode_pages+0x2c/0x3c [ 75.598164][ T4774] dbUnmount+0xf4/0x168 [ 75.598765][ T4774] jfs_umount+0x1c4/0x328 [ 75.599416][ T4774] jfs_put_super+0x90/0x188 [ 75.600101][ T4774] generic_shutdown_super+0x130/0x2f0 [ 75.600958][ T4774] kill_block_super+0x70/0xdc [ 75.601614][ T4774] deactivate_locked_super+0xb8/0x134 [ 75.602414][ T4774] deactivate_super+0xf0/0x110 [ 75.603118][ T4774] cleanup_mnt+0x3b8/0x46c [ 75.603773][ T4774] __cleanup_mnt+0x20/0x30 [ 75.604468][ T4774] task_work_run+0x12c/0x1d8 [ 75.605107][ T4774] do_notify_resume+0x2450/0x309c [ 75.605879][ T4774] el0_svc+0xf0/0x1d0 [ 75.606537][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 75.607265][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 75.608766][ T4774] Disabling lock debugging due to kernel taint [ 75.609715][ T4774] BUG: Bad page state in process syz-executor pfn:116c6e [ 75.610751][ T4774] page:00000000c1d82bba refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x116c6e [ 75.612228][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.613630][ T4774] raw: 05ffc00000002006 fffffc00035fd848 ffff80001fcf75c0 0000000000000000 [ 75.615004][ T4172] Bluetooth: hci0: command 0x040f tx timeout [ 75.615340][ T4774] raw: 0000000000000003 ffff0000c9b252e8 00000000ffffffff 0000000000000000 [ 75.617189][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.618256][ T4774] Modules linked in: [ 75.618812][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.620073][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.621475][ T4774] Call trace: [ 75.621936][ T4774] dump_backtrace+0x0/0x458 [ 75.622550][ T4774] show_stack+0x2c/0x3c [ 75.623104][ T4774] __dump_stack+0x30/0x40 [ 75.623776][ T4774] dump_stack_lvl+0xf4/0x15c [ 75.624467][ T4774] dump_stack+0x1c/0x5c [ 75.625036][ T4774] bad_page+0x188/0x1a8 [ 75.625699][ T4774] check_free_page_bad+0xf4/0x16c [ 75.626449][ T4774] free_unref_page_prepare+0x738/0xa84 [ 75.627290][ T4774] free_unref_page_list+0xdc/0x730 [ 75.628054][ T4774] release_pages+0x13bc/0x16dc [ 75.628759][ T4774] __pagevec_release+0x84/0xf8 [ 75.629437][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 75.630343][ T4774] truncate_inode_pages+0x2c/0x3c [ 75.631070][ T4774] dbUnmount+0xf4/0x168 [ 75.631625][ T4774] jfs_umount+0x1c4/0x328 [ 75.632265][ T4774] jfs_put_super+0x90/0x188 [ 75.632912][ T4774] generic_shutdown_super+0x130/0x2f0 [ 75.633697][ T4774] kill_block_super+0x70/0xdc [ 75.634341][ T4774] deactivate_locked_super+0xb8/0x134 [ 75.635085][ T4774] deactivate_super+0xf0/0x110 [ 75.635762][ T4774] cleanup_mnt+0x3b8/0x46c [ 75.636448][ T4774] __cleanup_mnt+0x20/0x30 [ 75.637046][ T4774] task_work_run+0x12c/0x1d8 [ 75.637675][ T4774] do_notify_resume+0x2450/0x309c [ 75.638393][ T4774] el0_svc+0xf0/0x1d0 [ 75.638975][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 75.639676][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 75.772792][ T4982] loop0: detected capacity change from 0 to 32768 [ 75.809133][ T4774] BUG: Bad page state in process syz-executor pfn:10cf9f [ 75.810244][ T4774] page:00000000124be140 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10cf9f [ 75.811780][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.813232][ T4774] raw: 05ffc00000002006 fffffc0003608ac8 ffff80001fcf75c0 0000000000000000 [ 75.814554][ T4774] raw: 0000000000000004 ffff0000c1eb83e0 00000000ffffffff 0000000000000000 [ 75.816165][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.817201][ T4774] Modules linked in: [ 75.817782][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.819056][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.820432][ T4774] Call trace: [ 75.820871][ T4774] dump_backtrace+0x0/0x458 [ 75.821496][ T4774] show_stack+0x2c/0x3c [ 75.822119][ T4774] __dump_stack+0x30/0x40 [ 75.822731][ T4774] dump_stack_lvl+0xf4/0x15c [ 75.823407][ T4774] dump_stack+0x1c/0x5c [ 75.823976][ T4774] bad_page+0x188/0x1a8 [ 75.824552][ T4774] check_free_page_bad+0xf4/0x16c [ 75.825268][ T4774] free_unref_page_prepare+0x738/0xa84 [ 75.826085][ T4774] free_unref_page_list+0xdc/0x730 [ 75.826816][ T4774] release_pages+0x13bc/0x16dc [ 75.827478][ T4774] __pagevec_release+0x84/0xf8 [ 75.828180][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 75.829034][ T4774] truncate_inode_pages+0x2c/0x3c [ 75.829731][ T4774] dbUnmount+0xf4/0x168 [ 75.830349][ T4774] jfs_umount+0x1c4/0x328 [ 75.830998][ T4774] jfs_put_super+0x90/0x188 [ 75.831656][ T4774] generic_shutdown_super+0x130/0x2f0 [ 75.832512][ T4774] kill_block_super+0x70/0xdc [ 75.833165][ T4774] deactivate_locked_super+0xb8/0x134 [ 75.833905][ T4774] deactivate_super+0xf0/0x110 [ 75.834576][ T4774] cleanup_mnt+0x3b8/0x46c [ 75.835181][ T4774] __cleanup_mnt+0x20/0x30 [ 75.835785][ T4774] task_work_run+0x12c/0x1d8 [ 75.836444][ T4774] do_notify_resume+0x2450/0x309c [ 75.837160][ T4774] el0_svc+0xf0/0x1d0 [ 75.837723][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 75.838443][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 75.839597][ T4774] BUG: Bad page state in process syz-executor pfn:11822b [ 75.840697][ T4774] page:00000000078a027f refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11822b [ 75.842172][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 75.843519][ T4774] raw: 05ffc00000002006 fffffc0003274788 ffff80001fcf75c0 0000000000000000 [ 75.844675][ T4774] raw: 0000000000000003 ffff0000c1eb84d8 00000000ffffffff 0000000000000000 [ 75.847115][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 75.848223][ T4774] Modules linked in: [ 75.848830][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 75.850126][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.851520][ T4774] Call trace: [ 75.852018][ T4774] dump_backtrace+0x0/0x458 [ 75.852701][ T4774] show_stack+0x2c/0x3c [ 75.853360][ T4774] __dump_stack+0x30/0x40 [ 75.854032][ T4774] dump_stack_lvl+0xf4/0x15c [ 75.854663][ T4774] dump_stack+0x1c/0x5c [ 75.855246][ T4774] bad_page+0x188/0x1a8 [ 75.855869][ T4774] check_free_page_bad+0xf4/0x16c [ 75.856563][ T4774] free_unref_page_prepare+0x738/0xa84 [ 75.857506][ T4774] free_unref_page_list+0xdc/0x730 [ 75.858351][ T4774] release_pages+0x13bc/0x16dc [ 75.859138][ T4774] __pagevec_release+0x84/0xf8 [ 75.859859][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 75.860669][ T4774] truncate_inode_pages+0x2c/0x3c [ 75.861376][ T4774] dbUnmount+0xf4/0x168 [ 75.861970][ T4774] jfs_umount+0x1c4/0x328 [ 75.862612][ T4774] jfs_put_super+0x90/0x188 [ 75.863276][ T4774] generic_shutdown_super+0x130/0x2f0 [ 75.864096][ T4774] kill_block_super+0x70/0xdc [ 75.864819][ T4774] deactivate_locked_super+0xb8/0x134 [ 75.865670][ T4774] deactivate_super+0xf0/0x110 [ 75.866391][ T4774] cleanup_mnt+0x3b8/0x46c [ 75.867032][ T4774] __cleanup_mnt+0x20/0x30 [ 75.867654][ T4774] task_work_run+0x12c/0x1d8 [ 75.868292][ T4774] do_notify_resume+0x2450/0x309c [ 75.869079][ T4774] el0_svc+0xf0/0x1d0 [ 75.869691][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 75.870503][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 75.984687][ T4984] loop0: detected capacity change from 0 to 32768 [ 76.052843][ T4774] BUG: Bad page state in process syz-executor pfn:12f4c0 [ 76.053982][ T4774] page:00000000e3968b50 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12f4c0 [ 76.055982][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.057478][ T4774] raw: 05ffc00000002006 fffffc00035bfdc8 ffff80001fcf75c0 0000000000000000 [ 76.058871][ T4774] raw: 0000000000000004 ffff0000d22d15d0 00000000ffffffff 0000000000000000 [ 76.060212][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.061223][ T4774] Modules linked in: [ 76.061837][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.063090][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.064456][ T4774] Call trace: [ 76.064883][ T4774] dump_backtrace+0x0/0x458 [ 76.065584][ T4774] show_stack+0x2c/0x3c [ 76.066184][ T4774] __dump_stack+0x30/0x40 [ 76.066812][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.067470][ T4774] dump_stack+0x1c/0x5c [ 76.068067][ T4774] bad_page+0x188/0x1a8 [ 76.068704][ T4774] check_free_page_bad+0xf4/0x16c [ 76.069453][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.070253][ T4774] free_unref_page_list+0xdc/0x730 [ 76.071083][ T4774] release_pages+0x13bc/0x16dc [ 76.071833][ T4774] __pagevec_release+0x84/0xf8 [ 76.072577][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.073396][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.074169][ T4774] dbUnmount+0xf4/0x168 [ 76.074822][ T4774] jfs_umount+0x1c4/0x328 [ 76.075463][ T4774] jfs_put_super+0x90/0x188 [ 76.076184][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.077028][ T4774] kill_block_super+0x70/0xdc [ 76.077761][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.078569][ T4774] deactivate_super+0xf0/0x110 [ 76.079276][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.079926][ T4774] __cleanup_mnt+0x20/0x30 [ 76.080559][ T4774] task_work_run+0x12c/0x1d8 [ 76.081220][ T4774] do_notify_resume+0x2450/0x309c [ 76.081991][ T4774] el0_svc+0xf0/0x1d0 [ 76.082608][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.083348][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.084838][ T4774] BUG: Bad page state in process syz-executor pfn:116ff7 [ 76.085882][ T4774] page:0000000015e9c4ae refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x116ff7 [ 76.087431][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.088838][ T4774] raw: 05ffc00000002006 fffffc0003aed808 ffff80001fcf75c0 0000000000000000 [ 76.090193][ T4774] raw: 0000000000000003 ffff0000d22d16c8 00000000ffffffff 0000000000000000 [ 76.091366][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.092418][ T4774] Modules linked in: [ 76.092989][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.094309][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.095826][ T4774] Call trace: [ 76.096344][ T4774] dump_backtrace+0x0/0x458 [ 76.097041][ T4774] show_stack+0x2c/0x3c [ 76.097679][ T4774] __dump_stack+0x30/0x40 [ 76.098340][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.098990][ T4774] dump_stack+0x1c/0x5c [ 76.099643][ T4774] bad_page+0x188/0x1a8 [ 76.100271][ T4774] check_free_page_bad+0xf4/0x16c [ 76.101045][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.101878][ T4774] free_unref_page_list+0xdc/0x730 [ 76.102610][ T4774] release_pages+0x13bc/0x16dc [ 76.103310][ T4774] __pagevec_release+0x84/0xf8 [ 76.103985][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.104862][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.105622][ T4774] dbUnmount+0xf4/0x168 [ 76.106225][ T4774] jfs_umount+0x1c4/0x328 [ 76.106872][ T4774] jfs_put_super+0x90/0x188 [ 76.107537][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.108363][ T4774] kill_block_super+0x70/0xdc [ 76.109090][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.109929][ T4774] deactivate_super+0xf0/0x110 [ 76.110648][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.111319][ T4774] __cleanup_mnt+0x20/0x30 [ 76.112017][ T4774] task_work_run+0x12c/0x1d8 [ 76.112678][ T4774] do_notify_resume+0x2450/0x309c [ 76.113364][ T4774] el0_svc+0xf0/0x1d0 [ 76.113971][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.114690][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.236649][ T4986] loop0: detected capacity change from 0 to 32768 [ 76.323693][ T4774] BUG: Bad page state in process syz-executor pfn:12f4e5 [ 76.325903][ T4774] page:000000000eb744f1 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12f4e5 [ 76.327456][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.328831][ T4774] raw: 05ffc00000002006 fffffc0003ae87c8 ffff80001fcf75c0 0000000000000000 [ 76.330048][ T4774] raw: 0000000000000004 ffff0000e7591d90 00000000ffffffff 0000000000000000 [ 76.331264][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.332255][ T4774] Modules linked in: [ 76.332786][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.334227][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.335735][ T4774] Call trace: [ 76.336170][ T4774] dump_backtrace+0x0/0x458 [ 76.336839][ T4774] show_stack+0x2c/0x3c [ 76.337471][ T4774] __dump_stack+0x30/0x40 [ 76.338098][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.338753][ T4774] dump_stack+0x1c/0x5c [ 76.339353][ T4774] bad_page+0x188/0x1a8 [ 76.339972][ T4774] check_free_page_bad+0xf4/0x16c [ 76.340696][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.341508][ T4774] free_unref_page_list+0xdc/0x730 [ 76.342299][ T4774] release_pages+0x13bc/0x16dc [ 76.342989][ T4774] __pagevec_release+0x84/0xf8 [ 76.343695][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.344558][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.345281][ T4774] dbUnmount+0xf4/0x168 [ 76.345904][ T4774] jfs_umount+0x1c4/0x328 [ 76.346540][ T4774] jfs_put_super+0x90/0x188 [ 76.347212][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.348014][ T4774] kill_block_super+0x70/0xdc [ 76.348713][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.349481][ T4774] deactivate_super+0xf0/0x110 [ 76.350192][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.350882][ T4774] __cleanup_mnt+0x20/0x30 [ 76.351514][ T4774] task_work_run+0x12c/0x1d8 [ 76.352132][ T4774] do_notify_resume+0x2450/0x309c [ 76.352883][ T4774] el0_svc+0xf0/0x1d0 [ 76.353465][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.354139][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.355527][ T4774] BUG: Bad page state in process syz-executor pfn:12ba1f [ 76.356677][ T4774] page:00000000f5ebafd4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12ba1f [ 76.358290][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.359576][ T4774] raw: 05ffc00000002006 fffffc00039f3d48 ffff80001fcf75c0 0000000000000000 [ 76.360760][ T4774] raw: 0000000000000003 ffff0000e7591e88 00000000ffffffff 0000000000000000 [ 76.361966][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.362983][ T4774] Modules linked in: [ 76.363594][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.364778][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.366202][ T4774] Call trace: [ 76.366667][ T4774] dump_backtrace+0x0/0x458 [ 76.367277][ T4774] show_stack+0x2c/0x3c [ 76.367889][ T4774] __dump_stack+0x30/0x40 [ 76.368529][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.369187][ T4774] dump_stack+0x1c/0x5c [ 76.369770][ T4774] bad_page+0x188/0x1a8 [ 76.370387][ T4774] check_free_page_bad+0xf4/0x16c [ 76.371101][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.371971][ T4774] free_unref_page_list+0xdc/0x730 [ 76.372728][ T4774] release_pages+0x13bc/0x16dc [ 76.373348][ T4774] __pagevec_release+0x84/0xf8 [ 76.374015][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.374876][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.375573][ T4774] dbUnmount+0xf4/0x168 [ 76.376169][ T4774] jfs_umount+0x1c4/0x328 [ 76.376786][ T4774] jfs_put_super+0x90/0x188 [ 76.377399][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.378201][ T4774] kill_block_super+0x70/0xdc [ 76.378877][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.379686][ T4774] deactivate_super+0xf0/0x110 [ 76.380390][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.381059][ T4774] __cleanup_mnt+0x20/0x30 [ 76.381746][ T4774] task_work_run+0x12c/0x1d8 [ 76.382397][ T4774] do_notify_resume+0x2450/0x309c [ 76.383152][ T4774] el0_svc+0xf0/0x1d0 [ 76.383703][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.384426][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.515185][ T4988] loop0: detected capacity change from 0 to 32768 [ 76.598682][ T4774] BUG: Bad page state in process syz-executor pfn:114c16 [ 76.599855][ T4774] page:00000000a5ebb11c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x114c16 [ 76.601396][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.602904][ T4774] raw: 05ffc00000002006 fffffc0003b1e408 ffff80001fcf75c0 0000000000000000 [ 76.604249][ T4774] raw: 0000000000000004 ffff0000ca46b7c0 00000000ffffffff 0000000000000000 [ 76.606119][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.607216][ T4774] Modules linked in: [ 76.607810][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.609097][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.610570][ T4774] Call trace: [ 76.611059][ T4774] dump_backtrace+0x0/0x458 [ 76.611751][ T4774] show_stack+0x2c/0x3c [ 76.612380][ T4774] __dump_stack+0x30/0x40 [ 76.613042][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.613759][ T4774] dump_stack+0x1c/0x5c [ 76.614422][ T4774] bad_page+0x188/0x1a8 [ 76.615038][ T4774] check_free_page_bad+0xf4/0x16c [ 76.615801][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.616588][ T4774] free_unref_page_list+0xdc/0x730 [ 76.617313][ T4774] release_pages+0x13bc/0x16dc [ 76.617971][ T4774] __pagevec_release+0x84/0xf8 [ 76.618672][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.619477][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.620203][ T4774] dbUnmount+0xf4/0x168 [ 76.620808][ T4774] jfs_umount+0x1c4/0x328 [ 76.621430][ T4774] jfs_put_super+0x90/0x188 [ 76.622091][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.622861][ T4774] kill_block_super+0x70/0xdc [ 76.623517][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.624306][ T4774] deactivate_super+0xf0/0x110 [ 76.625016][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.625638][ T4774] __cleanup_mnt+0x20/0x30 [ 76.626247][ T4774] task_work_run+0x12c/0x1d8 [ 76.626883][ T4774] do_notify_resume+0x2450/0x309c [ 76.627584][ T4774] el0_svc+0xf0/0x1d0 [ 76.628170][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.628855][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.630123][ T4774] BUG: Bad page state in process syz-executor pfn:12c790 [ 76.631202][ T4774] page:0000000099df00c8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12c790 [ 76.632778][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.634149][ T4774] raw: 05ffc00000002006 fffffc0003af36c8 ffff80001fcf75c0 0000000000000000 [ 76.635726][ T4774] raw: 0000000000000003 ffff0000ca46b8b8 00000000ffffffff 0000000000000000 [ 76.637120][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.638212][ T4774] Modules linked in: [ 76.638879][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.640208][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.641668][ T4774] Call trace: [ 76.642147][ T4774] dump_backtrace+0x0/0x458 [ 76.642748][ T4774] show_stack+0x2c/0x3c [ 76.643346][ T4774] __dump_stack+0x30/0x40 [ 76.643975][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.644655][ T4774] dump_stack+0x1c/0x5c [ 76.645330][ T4774] bad_page+0x188/0x1a8 [ 76.645979][ T4774] check_free_page_bad+0xf4/0x16c [ 76.646747][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.647484][ T4774] free_unref_page_list+0xdc/0x730 [ 76.648211][ T4774] release_pages+0x13bc/0x16dc [ 76.648866][ T4774] __pagevec_release+0x84/0xf8 [ 76.649514][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.650319][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.651071][ T4774] dbUnmount+0xf4/0x168 [ 76.651704][ T4774] jfs_umount+0x1c4/0x328 [ 76.652422][ T4774] jfs_put_super+0x90/0x188 [ 76.653094][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.653819][ T4774] kill_block_super+0x70/0xdc [ 76.654519][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.655243][ T4774] deactivate_super+0xf0/0x110 [ 76.655916][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.656551][ T4774] __cleanup_mnt+0x20/0x30 [ 76.657195][ T4774] task_work_run+0x12c/0x1d8 [ 76.657843][ T4774] do_notify_resume+0x2450/0x309c [ 76.658603][ T4774] el0_svc+0xf0/0x1d0 [ 76.659188][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.659924][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.774421][ T4991] loop0: detected capacity change from 0 to 32768 [ 76.862511][ T4774] BUG: Bad page state in process syz-executor pfn:10ac9f [ 76.863710][ T4774] page:000000004d4d1ee3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ac9f [ 76.866265][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.867833][ T4774] raw: 05ffc00000002006 fffffc00032f3c08 ffff80001fcf75c0 0000000000000000 [ 76.869185][ T4774] raw: 0000000000000004 ffff0000ec78d000 00000000ffffffff 0000000000000000 [ 76.870527][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.871725][ T4774] Modules linked in: [ 76.872322][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.873650][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.875186][ T4774] Call trace: [ 76.875694][ T4774] dump_backtrace+0x0/0x458 [ 76.876389][ T4774] show_stack+0x2c/0x3c [ 76.877007][ T4774] __dump_stack+0x30/0x40 [ 76.877662][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.878326][ T4774] dump_stack+0x1c/0x5c [ 76.878932][ T4774] bad_page+0x188/0x1a8 [ 76.879534][ T4774] check_free_page_bad+0xf4/0x16c [ 76.880239][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.881130][ T4774] free_unref_page_list+0xdc/0x730 [ 76.881861][ T4774] release_pages+0x13bc/0x16dc [ 76.882595][ T4774] __pagevec_release+0x84/0xf8 [ 76.883338][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.884224][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.884975][ T4774] dbUnmount+0xf4/0x168 [ 76.885605][ T4774] jfs_umount+0x1c4/0x328 [ 76.886242][ T4774] jfs_put_super+0x90/0x188 [ 76.886888][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.887667][ T4774] kill_block_super+0x70/0xdc [ 76.888286][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.889094][ T4774] deactivate_super+0xf0/0x110 [ 76.889826][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.890464][ T4774] __cleanup_mnt+0x20/0x30 [ 76.891133][ T4774] task_work_run+0x12c/0x1d8 [ 76.891844][ T4774] do_notify_resume+0x2450/0x309c [ 76.892584][ T4774] el0_svc+0xf0/0x1d0 [ 76.893177][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.893937][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 76.895024][ T4774] BUG: Bad page state in process syz-executor pfn:10bcf0 [ 76.896034][ T4774] page:00000000bbe6abf6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10bcf0 [ 76.897448][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.898988][ T4774] raw: 05ffc00000002006 fffffc00039f3d48 ffff80001fcf75c0 0000000000000000 [ 76.900208][ T4774] raw: 0000000000000003 ffff0000ec78d0f8 00000000ffffffff 0000000000000000 [ 76.901412][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.902460][ T4774] Modules linked in: [ 76.902996][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.904331][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.905827][ T4774] Call trace: [ 76.906326][ T4774] dump_backtrace+0x0/0x458 [ 76.907009][ T4774] show_stack+0x2c/0x3c [ 76.907624][ T4774] __dump_stack+0x30/0x40 [ 76.908218][ T4774] dump_stack_lvl+0xf4/0x15c [ 76.908929][ T4774] dump_stack+0x1c/0x5c [ 76.909573][ T4774] bad_page+0x188/0x1a8 [ 76.910184][ T4774] check_free_page_bad+0xf4/0x16c [ 76.910991][ T4774] free_unref_page_prepare+0x738/0xa84 [ 76.911784][ T4774] free_unref_page_list+0xdc/0x730 [ 76.912520][ T4774] release_pages+0x13bc/0x16dc [ 76.913236][ T4774] __pagevec_release+0x84/0xf8 [ 76.913961][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 76.914806][ T4774] truncate_inode_pages+0x2c/0x3c [ 76.915527][ T4774] dbUnmount+0xf4/0x168 [ 76.916138][ T4774] jfs_umount+0x1c4/0x328 [ 76.916790][ T4774] jfs_put_super+0x90/0x188 [ 76.917431][ T4774] generic_shutdown_super+0x130/0x2f0 [ 76.918207][ T4774] kill_block_super+0x70/0xdc [ 76.918907][ T4774] deactivate_locked_super+0xb8/0x134 [ 76.919758][ T4774] deactivate_super+0xf0/0x110 [ 76.920449][ T4774] cleanup_mnt+0x3b8/0x46c [ 76.921110][ T4774] __cleanup_mnt+0x20/0x30 [ 76.921748][ T4774] task_work_run+0x12c/0x1d8 [ 76.922398][ T4774] do_notify_resume+0x2450/0x309c [ 76.923133][ T4774] el0_svc+0xf0/0x1d0 [ 76.923714][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 76.924427][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.069849][ T4994] loop0: detected capacity change from 0 to 32768 [ 77.138978][ T4774] BUG: Bad page state in process syz-executor pfn:109281 [ 77.140168][ T4774] page:00000000e5e85258 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109281 [ 77.141769][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.143115][ T4774] raw: 05ffc00000002006 fffffc0003ae8a08 ffff80001fcf75c0 0000000000000000 [ 77.144368][ T4774] raw: 0000000000000004 ffff0000ebd7f9b0 00000000ffffffff 0000000000000000 [ 77.147248][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.148362][ T4774] Modules linked in: [ 77.149003][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.150271][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.151640][ T4774] Call trace: [ 77.152126][ T4774] dump_backtrace+0x0/0x458 [ 77.152735][ T4774] show_stack+0x2c/0x3c [ 77.153303][ T4774] __dump_stack+0x30/0x40 [ 77.153889][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.154506][ T4774] dump_stack+0x1c/0x5c [ 77.155159][ T4774] bad_page+0x188/0x1a8 [ 77.155765][ T4774] check_free_page_bad+0xf4/0x16c [ 77.156438][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.157251][ T4774] free_unref_page_list+0xdc/0x730 [ 77.157975][ T4774] release_pages+0x13bc/0x16dc [ 77.158663][ T4774] __pagevec_release+0x84/0xf8 [ 77.159321][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.160115][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.160948][ T4774] dbUnmount+0xf4/0x168 [ 77.161606][ T4774] jfs_umount+0x1c4/0x328 [ 77.162244][ T4774] jfs_put_super+0x90/0x188 [ 77.162910][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.163754][ T4774] kill_block_super+0x70/0xdc [ 77.164468][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.165284][ T4774] deactivate_super+0xf0/0x110 [ 77.165964][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.166615][ T4774] __cleanup_mnt+0x20/0x30 [ 77.167232][ T4774] task_work_run+0x12c/0x1d8 [ 77.167877][ T4774] do_notify_resume+0x2450/0x309c [ 77.168617][ T4774] el0_svc+0xf0/0x1d0 [ 77.169213][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.169949][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.171332][ T4774] BUG: Bad page state in process syz-executor pfn:12ba28 [ 77.172451][ T4774] page:00000000231994d2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12ba28 [ 77.173968][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.175796][ T4774] raw: 05ffc00000002006 fffffc0003bc19c8 ffff80001fcf75c0 0000000000000000 [ 77.177048][ T4774] raw: 0000000000000003 ffff0000ebd7faa8 00000000ffffffff 0000000000000000 [ 77.178265][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.179305][ T4774] Modules linked in: [ 77.179889][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.181158][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.182627][ T4774] Call trace: [ 77.183102][ T4774] dump_backtrace+0x0/0x458 [ 77.183782][ T4774] show_stack+0x2c/0x3c [ 77.184365][ T4774] __dump_stack+0x30/0x40 [ 77.185072][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.185725][ T4774] dump_stack+0x1c/0x5c [ 77.186343][ T4774] bad_page+0x188/0x1a8 [ 77.186961][ T4774] check_free_page_bad+0xf4/0x16c [ 77.187735][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.188565][ T4774] free_unref_page_list+0xdc/0x730 [ 77.189375][ T4774] release_pages+0x13bc/0x16dc [ 77.190083][ T4774] __pagevec_release+0x84/0xf8 [ 77.190782][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.191665][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.192425][ T4774] dbUnmount+0xf4/0x168 [ 77.193060][ T4774] jfs_umount+0x1c4/0x328 [ 77.193728][ T4774] jfs_put_super+0x90/0x188 [ 77.194392][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.195252][ T4774] kill_block_super+0x70/0xdc [ 77.195924][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.196711][ T4774] deactivate_super+0xf0/0x110 [ 77.197412][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.198123][ T4774] __cleanup_mnt+0x20/0x30 [ 77.198765][ T4774] task_work_run+0x12c/0x1d8 [ 77.199454][ T4774] do_notify_resume+0x2450/0x309c [ 77.200198][ T4774] el0_svc+0xf0/0x1d0 [ 77.200798][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.201551][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.206022][ T366] device hsr_slave_0 left promiscuous mode [ 77.245762][ T366] device hsr_slave_1 left promiscuous mode [ 77.313964][ T4996] loop0: detected capacity change from 0 to 32768 [ 77.334860][ T366] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.336095][ T366] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.337516][ T366] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.338758][ T366] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.340055][ T366] device bridge_slave_1 left promiscuous mode [ 77.341047][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.376160][ T366] device bridge_slave_0 left promiscuous mode [ 77.377299][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.384604][ T4774] BUG: Bad page state in process syz-executor pfn:114d7f [ 77.386190][ T4774] page:000000008c70fa4e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x114d7f [ 77.387849][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.389292][ T4774] raw: 05ffc00000002006 fffffc00035fb5c8 ffff80001fcf75c0 0000000000000000 [ 77.390595][ T4774] raw: 0000000000000004 ffff0000d64411f0 00000000ffffffff 0000000000000000 [ 77.391760][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.392836][ T4774] Modules linked in: [ 77.393400][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.394636][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.396122][ T4774] Call trace: [ 77.396631][ T4774] dump_backtrace+0x0/0x458 [ 77.397377][ T4774] show_stack+0x2c/0x3c [ 77.397937][ T4774] __dump_stack+0x30/0x40 [ 77.398566][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.399249][ T4774] dump_stack+0x1c/0x5c [ 77.399888][ T4774] bad_page+0x188/0x1a8 [ 77.400420][ T4774] check_free_page_bad+0xf4/0x16c [ 77.401150][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.401945][ T4774] free_unref_page_list+0xdc/0x730 [ 77.402671][ T4774] release_pages+0x13bc/0x16dc [ 77.403383][ T4774] __pagevec_release+0x84/0xf8 [ 77.404111][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.405003][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.405734][ T4774] dbUnmount+0xf4/0x168 [ 77.406375][ T4774] jfs_umount+0x1c4/0x328 [ 77.407052][ T4774] jfs_put_super+0x90/0x188 [ 77.407715][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.408463][ T4774] kill_block_super+0x70/0xdc [ 77.409196][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.410007][ T4774] deactivate_super+0xf0/0x110 [ 77.410755][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.411426][ T4774] __cleanup_mnt+0x20/0x30 [ 77.412113][ T4774] task_work_run+0x12c/0x1d8 [ 77.412790][ T4774] do_notify_resume+0x2450/0x309c [ 77.413516][ T4774] el0_svc+0xf0/0x1d0 [ 77.414103][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.414795][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.415905][ T4774] BUG: Bad page state in process syz-executor pfn:117ed7 [ 77.416922][ T4774] page:00000000b52180d3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x117ed7 [ 77.418449][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.419901][ T4774] raw: 05ffc00000002006 fffffc00034f5848 ffff80001fcf75c0 0000000000000000 [ 77.421095][ T4774] raw: 0000000000000003 ffff0000d64412e8 00000000ffffffff 0000000000000000 [ 77.422302][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.423303][ T4774] Modules linked in: [ 77.423882][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.425185][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.426563][ T4774] Call trace: [ 77.427017][ T4774] dump_backtrace+0x0/0x458 [ 77.427638][ T4774] show_stack+0x2c/0x3c [ 77.428285][ T4774] __dump_stack+0x30/0x40 [ 77.428940][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.429604][ T4774] dump_stack+0x1c/0x5c [ 77.430186][ T4774] bad_page+0x188/0x1a8 [ 77.430804][ T4774] check_free_page_bad+0xf4/0x16c [ 77.431515][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.432281][ T4774] free_unref_page_list+0xdc/0x730 [ 77.433024][ T4774] release_pages+0x13bc/0x16dc [ 77.433728][ T4774] __pagevec_release+0x84/0xf8 [ 77.434382][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.435309][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.436020][ T4774] dbUnmount+0xf4/0x168 [ 77.436614][ T4774] jfs_umount+0x1c4/0x328 [ 77.437248][ T4774] jfs_put_super+0x90/0x188 [ 77.437885][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.438628][ T4774] kill_block_super+0x70/0xdc [ 77.439301][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.440080][ T4774] deactivate_super+0xf0/0x110 [ 77.440815][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.441430][ T4774] __cleanup_mnt+0x20/0x30 [ 77.442079][ T4774] task_work_run+0x12c/0x1d8 [ 77.442721][ T4774] do_notify_resume+0x2450/0x309c [ 77.443447][ T4774] el0_svc+0xf0/0x1d0 [ 77.444091][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.444809][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.554953][ T366] device veth1_macvtap left promiscuous mode [ 77.555938][ T366] device veth0_macvtap left promiscuous mode [ 77.556869][ T366] device veth1_vlan left promiscuous mode [ 77.557779][ T366] device veth0_vlan left promiscuous mode [ 77.578839][ T4998] loop0: detected capacity change from 0 to 32768 [ 77.661066][ T366] team0 (unregistering): Port device team_slave_1 removed [ 77.665028][ T366] team0 (unregistering): Port device team_slave_0 removed [ 77.668469][ T366] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.678952][ T4774] BUG: Bad page state in process syz-executor pfn:1138cb [ 77.680099][ T4774] page:00000000bdfd4678 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1138cb [ 77.681604][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.683077][ T4774] raw: 05ffc00000002006 fffffc00032f0c08 ffff80001fcf75c0 0000000000000000 [ 77.684413][ T4774] raw: 0000000000000004 ffff0000d09f4ba0 00000000ffffffff 0000000000000000 [ 77.684857][ T4159] Bluetooth: hci0: command 0x0419 tx timeout [ 77.686310][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.687831][ T4774] Modules linked in: [ 77.688443][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.689822][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.691364][ T4774] Call trace: [ 77.691863][ T4774] dump_backtrace+0x0/0x458 [ 77.692501][ T4774] show_stack+0x2c/0x3c [ 77.693161][ T4774] __dump_stack+0x30/0x40 [ 77.693776][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.694479][ T4774] dump_stack+0x1c/0x5c [ 77.695059][ T4774] bad_page+0x188/0x1a8 [ 77.695699][ T4774] check_free_page_bad+0xf4/0x16c [ 77.696501][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.697332][ T4774] free_unref_page_list+0xdc/0x730 [ 77.698128][ T4774] release_pages+0x13bc/0x16dc [ 77.698816][ T4774] __pagevec_release+0x84/0xf8 [ 77.699537][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.700452][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.701181][ T4774] dbUnmount+0xf4/0x168 [ 77.701802][ T4774] jfs_umount+0x1c4/0x328 [ 77.702448][ T4774] jfs_put_super+0x90/0x188 [ 77.703133][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.704002][ T4774] kill_block_super+0x70/0xdc [ 77.704657][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.705479][ T4774] deactivate_super+0xf0/0x110 [ 77.706236][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.706898][ T4774] __cleanup_mnt+0x20/0x30 [ 77.707568][ T4774] task_work_run+0x12c/0x1d8 [ 77.708250][ T4774] do_notify_resume+0x2450/0x309c [ 77.708975][ T4774] el0_svc+0xf0/0x1d0 [ 77.709544][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.710317][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.711913][ T4774] BUG: Bad page state in process syz-executor pfn:10bc30 [ 77.713050][ T4774] page:00000000b3c99694 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10bc30 [ 77.714629][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.716657][ T4774] raw: 05ffc00000002006 fffffc0003567488 ffff80001fcf75c0 0000000000000000 [ 77.718026][ T4774] raw: 0000000000000003 ffff0000d09f4c98 00000000ffffffff 0000000000000000 [ 77.718126][ T366] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.719306][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.721664][ T4774] Modules linked in: [ 77.722314][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.723662][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.725251][ T4774] Call trace: [ 77.725726][ T4774] dump_backtrace+0x0/0x458 [ 77.726386][ T4774] show_stack+0x2c/0x3c [ 77.726995][ T4774] __dump_stack+0x30/0x40 [ 77.727662][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.728321][ T4774] dump_stack+0x1c/0x5c [ 77.728916][ T4774] bad_page+0x188/0x1a8 [ 77.729593][ T4774] check_free_page_bad+0xf4/0x16c [ 77.730318][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.731080][ T4774] free_unref_page_list+0xdc/0x730 [ 77.731851][ T4774] release_pages+0x13bc/0x16dc [ 77.732581][ T4774] __pagevec_release+0x84/0xf8 [ 77.733334][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.734194][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.734967][ T4774] dbUnmount+0xf4/0x168 [ 77.735616][ T4774] jfs_umount+0x1c4/0x328 [ 77.736261][ T4774] jfs_put_super+0x90/0x188 [ 77.736907][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.737684][ T4774] kill_block_super+0x70/0xdc [ 77.738388][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.739187][ T4774] deactivate_super+0xf0/0x110 [ 77.739893][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.740551][ T4774] __cleanup_mnt+0x20/0x30 [ 77.741202][ T4774] task_work_run+0x12c/0x1d8 [ 77.741855][ T4774] do_notify_resume+0x2450/0x309c [ 77.742568][ T4774] el0_svc+0xf0/0x1d0 [ 77.743114][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.743862][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.857416][ T366] bond0 (unregistering): Released all slaves [ 77.892813][ T5000] loop0: detected capacity change from 0 to 32768 [ 77.943258][ T4774] BUG: Bad page state in process syz-executor pfn:12bd0e [ 77.944471][ T4774] page:00000000d95ea7d4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12bd0e [ 77.946375][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.947901][ T4774] raw: 05ffc00000002006 fffffc0003af4408 ffff80001fcf75c0 0000000000000000 [ 77.949197][ T4774] raw: 0000000000000004 ffff0000ce500d90 00000000ffffffff 0000000000000000 [ 77.950532][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.951605][ T4774] Modules linked in: [ 77.952186][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.953366][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.954780][ T4774] Call trace: [ 77.955287][ T4774] dump_backtrace+0x0/0x458 [ 77.955901][ T4774] show_stack+0x2c/0x3c [ 77.956491][ T4774] __dump_stack+0x30/0x40 [ 77.957081][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.957779][ T4774] dump_stack+0x1c/0x5c [ 77.958431][ T4774] bad_page+0x188/0x1a8 [ 77.959031][ T4774] check_free_page_bad+0xf4/0x16c [ 77.959739][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.960526][ T4774] free_unref_page_list+0xdc/0x730 [ 77.961275][ T4774] release_pages+0x13bc/0x16dc [ 77.962015][ T4774] __pagevec_release+0x84/0xf8 [ 77.962684][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.963606][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.964330][ T4774] dbUnmount+0xf4/0x168 [ 77.964906][ T4774] jfs_umount+0x1c4/0x328 [ 77.965564][ T4774] jfs_put_super+0x90/0x188 [ 77.966241][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.967067][ T4774] kill_block_super+0x70/0xdc [ 77.967817][ T4774] deactivate_locked_super+0xb8/0x134 [ 77.968637][ T4774] deactivate_super+0xf0/0x110 [ 77.969339][ T4774] cleanup_mnt+0x3b8/0x46c [ 77.970005][ T4774] __cleanup_mnt+0x20/0x30 [ 77.970662][ T4774] task_work_run+0x12c/0x1d8 [ 77.971423][ T4774] do_notify_resume+0x2450/0x309c [ 77.972207][ T4774] el0_svc+0xf0/0x1d0 [ 77.972793][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 77.973613][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 77.974666][ T4774] BUG: Bad page state in process syz-executor pfn:12bd10 [ 77.976090][ T4774] page:0000000027540f22 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12bd10 [ 77.978369][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.979806][ T4774] raw: 05ffc00000002006 fffffc000363dcc8 ffff80001fcf75c0 0000000000000000 [ 77.981124][ T4774] raw: 0000000000000003 ffff0000ce500e88 00000000ffffffff 0000000000000000 [ 77.982329][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.983404][ T4774] Modules linked in: [ 77.983965][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.985273][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.986778][ T4774] Call trace: [ 77.987243][ T4774] dump_backtrace+0x0/0x458 [ 77.987947][ T4774] show_stack+0x2c/0x3c [ 77.988616][ T4774] __dump_stack+0x30/0x40 [ 77.989222][ T4774] dump_stack_lvl+0xf4/0x15c [ 77.989905][ T4774] dump_stack+0x1c/0x5c [ 77.990481][ T4774] bad_page+0x188/0x1a8 [ 77.991092][ T4774] check_free_page_bad+0xf4/0x16c [ 77.991823][ T4774] free_unref_page_prepare+0x738/0xa84 [ 77.992646][ T4774] free_unref_page_list+0xdc/0x730 [ 77.993402][ T4774] release_pages+0x13bc/0x16dc [ 77.994090][ T4774] __pagevec_release+0x84/0xf8 [ 77.994821][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 77.995659][ T4774] truncate_inode_pages+0x2c/0x3c [ 77.996400][ T4774] dbUnmount+0xf4/0x168 [ 77.997014][ T4774] jfs_umount+0x1c4/0x328 [ 77.997674][ T4774] jfs_put_super+0x90/0x188 [ 77.998343][ T4774] generic_shutdown_super+0x130/0x2f0 [ 77.999105][ T4774] kill_block_super+0x70/0xdc [ 77.999789][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.000575][ T4774] deactivate_super+0xf0/0x110 [ 78.001233][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.001947][ T4774] __cleanup_mnt+0x20/0x30 [ 78.002670][ T4774] task_work_run+0x12c/0x1d8 [ 78.003304][ T4774] do_notify_resume+0x2450/0x309c [ 78.004011][ T4774] el0_svc+0xf0/0x1d0 [ 78.004562][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.005266][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.193791][ T4774] BUG: Bad page state in process syz-executor pfn:127765 [ 78.195040][ T4774] page:00000000bc3d6067 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x127765 [ 78.196716][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.205790][ T4774] raw: 05ffc00000002006 fffffc00035ad4c8 ffff80001fcf75c0 0000000000000000 [ 78.207016][ T4774] raw: 0000000000000004 ffff0000e77603e0 00000000ffffffff 0000000000000000 [ 78.208217][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.209277][ T4774] Modules linked in: [ 78.209874][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.211147][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.212597][ T4774] Call trace: [ 78.213106][ T4774] dump_backtrace+0x0/0x458 [ 78.213755][ T4774] show_stack+0x2c/0x3c [ 78.214433][ T4774] __dump_stack+0x30/0x40 [ 78.215082][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.215727][ T4774] dump_stack+0x1c/0x5c [ 78.216388][ T4774] bad_page+0x188/0x1a8 [ 78.217033][ T4774] check_free_page_bad+0xf4/0x16c [ 78.217864][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.218685][ T4774] free_unref_page_list+0xdc/0x730 [ 78.219492][ T4774] release_pages+0x13bc/0x16dc [ 78.220207][ T4774] __pagevec_release+0x84/0xf8 [ 78.220909][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.221769][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.222533][ T4774] dbUnmount+0xf4/0x168 [ 78.223165][ T4774] jfs_umount+0x1c4/0x328 [ 78.223773][ T4774] jfs_put_super+0x90/0x188 [ 78.224377][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.225172][ T4774] kill_block_super+0x70/0xdc [ 78.225899][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.226608][ T4774] deactivate_super+0xf0/0x110 [ 78.227288][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.227900][ T4774] __cleanup_mnt+0x20/0x30 [ 78.228529][ T4774] task_work_run+0x12c/0x1d8 [ 78.229169][ T4774] do_notify_resume+0x2450/0x309c [ 78.229903][ T4774] el0_svc+0xf0/0x1d0 [ 78.230419][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.231145][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.232375][ T4774] BUG: Bad page state in process syz-executor pfn:116b53 [ 78.233410][ T4774] page:00000000d69863a0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x116b53 [ 78.235113][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.236587][ T4774] raw: 05ffc00000002006 fffffc00034bcd88 ffff80001fcf75c0 0000000000000000 [ 78.237900][ T4774] raw: 0000000000000003 ffff0000e77604d8 00000000ffffffff 0000000000000000 [ 78.239179][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.240233][ T4774] Modules linked in: [ 78.240818][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.242063][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.243442][ T4774] Call trace: [ 78.243876][ T4774] dump_backtrace+0x0/0x458 [ 78.244482][ T4774] show_stack+0x2c/0x3c [ 78.245099][ T4774] __dump_stack+0x30/0x40 [ 78.245796][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.246452][ T4774] dump_stack+0x1c/0x5c [ 78.247078][ T4774] bad_page+0x188/0x1a8 [ 78.247668][ T4774] check_free_page_bad+0xf4/0x16c [ 78.248369][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.249127][ T4774] free_unref_page_list+0xdc/0x730 [ 78.249849][ T4774] release_pages+0x13bc/0x16dc [ 78.250585][ T4774] __pagevec_release+0x84/0xf8 [ 78.251262][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.252104][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.252841][ T4774] dbUnmount+0xf4/0x168 [ 78.253434][ T4774] jfs_umount+0x1c4/0x328 [ 78.254122][ T4774] jfs_put_super+0x90/0x188 [ 78.254853][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.255633][ T4774] kill_block_super+0x70/0xdc [ 78.256360][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.257161][ T4774] deactivate_super+0xf0/0x110 [ 78.257910][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.258553][ T4774] __cleanup_mnt+0x20/0x30 [ 78.259172][ T4774] task_work_run+0x12c/0x1d8 [ 78.259821][ T4774] do_notify_resume+0x2450/0x309c [ 78.260610][ T4774] el0_svc+0xf0/0x1d0 [ 78.261224][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.261908][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.448895][ T4774] BUG: Bad page state in process syz-executor pfn:10a57e [ 78.450269][ T4774] page:000000001cd2b4ec refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a57e [ 78.451871][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.453444][ T4774] raw: 05ffc00000002006 fffffc00039dd048 ffff80001fcf75c0 0000000000000000 [ 78.454617][ T4774] raw: 0000000000000004 ffff0000c0f94000 00000000ffffffff 0000000000000000 [ 78.456160][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.457430][ T4774] Modules linked in: [ 78.458118][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.459433][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.460878][ T4774] Call trace: [ 78.461375][ T4774] dump_backtrace+0x0/0x458 [ 78.462094][ T4774] show_stack+0x2c/0x3c [ 78.462708][ T4774] __dump_stack+0x30/0x40 [ 78.463361][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.464110][ T4774] dump_stack+0x1c/0x5c [ 78.464687][ T4774] bad_page+0x188/0x1a8 [ 78.465294][ T4774] check_free_page_bad+0xf4/0x16c [ 78.466154][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.467064][ T4774] free_unref_page_list+0xdc/0x730 [ 78.467859][ T4774] release_pages+0x13bc/0x16dc [ 78.468595][ T4774] __pagevec_release+0x84/0xf8 [ 78.469314][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.470186][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.470927][ T4774] dbUnmount+0xf4/0x168 [ 78.471528][ T4774] jfs_umount+0x1c4/0x328 [ 78.472175][ T4774] jfs_put_super+0x90/0x188 [ 78.472864][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.473679][ T4774] kill_block_super+0x70/0xdc [ 78.474303][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.475098][ T4774] deactivate_super+0xf0/0x110 [ 78.475798][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.476502][ T4774] __cleanup_mnt+0x20/0x30 [ 78.477148][ T4774] task_work_run+0x12c/0x1d8 [ 78.477779][ T4774] do_notify_resume+0x2450/0x309c [ 78.478530][ T4774] el0_svc+0xf0/0x1d0 [ 78.479093][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.479812][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.481302][ T4774] BUG: Bad page state in process syz-executor pfn:127741 [ 78.482318][ T4774] page:000000009d9a8021 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x127741 [ 78.483726][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.485271][ T4774] raw: 05ffc00000002006 fffffc0003bd32c8 ffff80001fcf75c0 0000000000000000 [ 78.486538][ T4774] raw: 0000000000000003 ffff0000c0f940f8 00000000ffffffff 0000000000000000 [ 78.487818][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.488890][ T4774] Modules linked in: [ 78.489462][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.490714][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.492154][ T4774] Call trace: [ 78.492563][ T4774] dump_backtrace+0x0/0x458 [ 78.493176][ T4774] show_stack+0x2c/0x3c [ 78.493744][ T4774] __dump_stack+0x30/0x40 [ 78.494356][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.495008][ T4774] dump_stack+0x1c/0x5c [ 78.495580][ T4774] bad_page+0x188/0x1a8 [ 78.496196][ T4774] check_free_page_bad+0xf4/0x16c [ 78.496937][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.497707][ T4774] free_unref_page_list+0xdc/0x730 [ 78.498443][ T4774] release_pages+0x13bc/0x16dc [ 78.499182][ T4774] __pagevec_release+0x84/0xf8 [ 78.499858][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.500699][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.501441][ T4774] dbUnmount+0xf4/0x168 [ 78.502054][ T4774] jfs_umount+0x1c4/0x328 [ 78.502725][ T4774] jfs_put_super+0x90/0x188 [ 78.503408][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.504204][ T4774] kill_block_super+0x70/0xdc [ 78.504880][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.505637][ T4774] deactivate_super+0xf0/0x110 [ 78.506315][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.506980][ T4774] __cleanup_mnt+0x20/0x30 [ 78.507599][ T4774] task_work_run+0x12c/0x1d8 [ 78.508271][ T4774] do_notify_resume+0x2450/0x309c [ 78.509000][ T4774] el0_svc+0xf0/0x1d0 [ 78.509591][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.510286][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.707251][ T4774] BUG: Bad page state in process syz-executor pfn:112f36 [ 78.708422][ T4774] page:00000000518ff156 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112f36 [ 78.709947][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.711287][ T4774] raw: 05ffc00000002006 fffffc0003425b88 ffff80001fcf75c0 0000000000000000 [ 78.712604][ T4774] raw: 0000000000000004 ffff0000ec2295d0 00000000ffffffff 0000000000000000 [ 78.713848][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.715730][ T4774] Modules linked in: [ 78.716411][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.717776][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.719170][ T4774] Call trace: [ 78.719666][ T4774] dump_backtrace+0x0/0x458 [ 78.720339][ T4774] show_stack+0x2c/0x3c [ 78.720988][ T4774] __dump_stack+0x30/0x40 [ 78.721627][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.722265][ T4774] dump_stack+0x1c/0x5c [ 78.722821][ T4774] bad_page+0x188/0x1a8 [ 78.723405][ T4774] check_free_page_bad+0xf4/0x16c [ 78.724103][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.724823][ T4774] free_unref_page_list+0xdc/0x730 [ 78.725565][ T4774] release_pages+0x13bc/0x16dc [ 78.726252][ T4774] __pagevec_release+0x84/0xf8 [ 78.726959][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.727761][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.728459][ T4774] dbUnmount+0xf4/0x168 [ 78.729054][ T4774] jfs_umount+0x1c4/0x328 [ 78.729663][ T4774] jfs_put_super+0x90/0x188 [ 78.730302][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.730985][ T4774] kill_block_super+0x70/0xdc [ 78.731657][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.732433][ T4774] deactivate_super+0xf0/0x110 [ 78.733121][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.733757][ T4774] __cleanup_mnt+0x20/0x30 [ 78.734370][ T4774] task_work_run+0x12c/0x1d8 [ 78.735065][ T4774] do_notify_resume+0x2450/0x309c [ 78.735784][ T4774] el0_svc+0xf0/0x1d0 [ 78.736330][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.737046][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.738973][ T4774] BUG: Bad page state in process syz-executor pfn:11096e [ 78.740109][ T4774] page:00000000c421becb refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11096e [ 78.741579][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.742964][ T4774] raw: 05ffc00000002006 fffffc0003b8de48 ffff80001fcf75c0 0000000000000000 [ 78.744199][ T4774] raw: 0000000000000003 ffff0000ec2296c8 00000000ffffffff 0000000000000000 [ 78.745819][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.746825][ T4774] Modules linked in: [ 78.747351][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.748666][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.750116][ T4774] Call trace: [ 78.750560][ T4774] dump_backtrace+0x0/0x458 [ 78.751173][ T4774] show_stack+0x2c/0x3c [ 78.751711][ T4774] __dump_stack+0x30/0x40 [ 78.752290][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.752906][ T4774] dump_stack+0x1c/0x5c [ 78.753520][ T4774] bad_page+0x188/0x1a8 [ 78.754154][ T4774] check_free_page_bad+0xf4/0x16c [ 78.754850][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.755681][ T4774] free_unref_page_list+0xdc/0x730 [ 78.756462][ T4774] release_pages+0x13bc/0x16dc [ 78.757129][ T4774] __pagevec_release+0x84/0xf8 [ 78.757776][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.758610][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.759315][ T4774] dbUnmount+0xf4/0x168 [ 78.759890][ T4774] jfs_umount+0x1c4/0x328 [ 78.760539][ T4774] jfs_put_super+0x90/0x188 [ 78.761185][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.761972][ T4774] kill_block_super+0x70/0xdc [ 78.762694][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.763516][ T4774] deactivate_super+0xf0/0x110 [ 78.764226][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.764967][ T4774] __cleanup_mnt+0x20/0x30 [ 78.765598][ T4774] task_work_run+0x12c/0x1d8 [ 78.766265][ T4774] do_notify_resume+0x2450/0x309c [ 78.767002][ T4774] el0_svc+0xf0/0x1d0 [ 78.767624][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.768355][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.919238][ T4774] BUG: Bad page state in process syz-executor pfn:1129b2 [ 78.920368][ T4774] page:00000000c6d815c3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1129b2 [ 78.921963][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.923324][ T4774] raw: 05ffc00000002006 fffffc0003356248 ffff80001fcf75c0 0000000000000000 [ 78.924627][ T4774] raw: 0000000000000004 ffff0000d68a47c0 00000000ffffffff 0000000000000000 [ 78.926857][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.927939][ T4774] Modules linked in: [ 78.928550][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.929770][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.931239][ T4774] Call trace: [ 78.931740][ T4774] dump_backtrace+0x0/0x458 [ 78.932425][ T4774] show_stack+0x2c/0x3c [ 78.933033][ T4774] __dump_stack+0x30/0x40 [ 78.933622][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.934250][ T4774] dump_stack+0x1c/0x5c [ 78.934847][ T4774] bad_page+0x188/0x1a8 [ 78.935438][ T4774] check_free_page_bad+0xf4/0x16c [ 78.936104][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.936842][ T4774] free_unref_page_list+0xdc/0x730 [ 78.937589][ T4774] release_pages+0x13bc/0x16dc [ 78.938262][ T4774] __pagevec_release+0x84/0xf8 [ 78.938939][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.939769][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.940449][ T4774] dbUnmount+0xf4/0x168 [ 78.940992][ T4774] jfs_umount+0x1c4/0x328 [ 78.941626][ T4774] jfs_put_super+0x90/0x188 [ 78.942288][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.943080][ T4774] kill_block_super+0x70/0xdc [ 78.943770][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.944556][ T4774] deactivate_super+0xf0/0x110 [ 78.945206][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.945807][ T4774] __cleanup_mnt+0x20/0x30 [ 78.946490][ T4774] task_work_run+0x12c/0x1d8 [ 78.947130][ T4774] do_notify_resume+0x2450/0x309c [ 78.947896][ T4774] el0_svc+0xf0/0x1d0 [ 78.948478][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.949242][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 78.950315][ T4774] BUG: Bad page state in process syz-executor pfn:10d589 [ 78.951450][ T4774] page:000000005b7c850a refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10d589 [ 78.953018][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.954298][ T4774] raw: 05ffc00000002006 fffffc00031e5388 ffff80001fcf75c0 0000000000000000 [ 78.955840][ T4774] raw: 0000000000000003 ffff0000d68a48b8 00000000ffffffff 0000000000000000 [ 78.957020][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.958020][ T4774] Modules linked in: [ 78.958547][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.959890][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.961436][ T4774] Call trace: [ 78.961956][ T4774] dump_backtrace+0x0/0x458 [ 78.962648][ T4774] show_stack+0x2c/0x3c [ 78.963243][ T4774] __dump_stack+0x30/0x40 [ 78.963913][ T4774] dump_stack_lvl+0xf4/0x15c [ 78.964615][ T4774] dump_stack+0x1c/0x5c [ 78.965309][ T4774] bad_page+0x188/0x1a8 [ 78.965923][ T4774] check_free_page_bad+0xf4/0x16c [ 78.966684][ T4774] free_unref_page_prepare+0x738/0xa84 [ 78.967434][ T4774] free_unref_page_list+0xdc/0x730 [ 78.968179][ T4774] release_pages+0x13bc/0x16dc [ 78.968934][ T4774] __pagevec_release+0x84/0xf8 [ 78.969692][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 78.970674][ T4774] truncate_inode_pages+0x2c/0x3c [ 78.971476][ T4774] dbUnmount+0xf4/0x168 [ 78.972143][ T4774] jfs_umount+0x1c4/0x328 [ 78.972832][ T4774] jfs_put_super+0x90/0x188 [ 78.973508][ T4774] generic_shutdown_super+0x130/0x2f0 [ 78.974322][ T4774] kill_block_super+0x70/0xdc [ 78.975067][ T4774] deactivate_locked_super+0xb8/0x134 [ 78.975857][ T4774] deactivate_super+0xf0/0x110 [ 78.976563][ T4774] cleanup_mnt+0x3b8/0x46c [ 78.977223][ T4774] __cleanup_mnt+0x20/0x30 [ 78.977849][ T4774] task_work_run+0x12c/0x1d8 [ 78.978519][ T4774] do_notify_resume+0x2450/0x309c [ 78.979295][ T4774] el0_svc+0xf0/0x1d0 [ 78.979933][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 78.980692][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.166967][ T4774] BUG: Bad page state in process syz-executor pfn:11096f [ 79.168061][ T4774] page:0000000069384903 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11096f [ 79.169628][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.171138][ T4774] raw: 05ffc00000002006 fffffc0003378248 ffff80001fcf75c0 0000000000000000 [ 79.172375][ T4774] raw: 0000000000000004 ffff0000dca281f0 00000000ffffffff 0000000000000000 [ 79.173625][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.174630][ T4774] Modules linked in: [ 79.176295][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.177626][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.179096][ T4774] Call trace: [ 79.179568][ T4774] dump_backtrace+0x0/0x458 [ 79.180235][ T4774] show_stack+0x2c/0x3c [ 79.180892][ T4774] __dump_stack+0x30/0x40 [ 79.181514][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.182148][ T4774] dump_stack+0x1c/0x5c [ 79.182732][ T4774] bad_page+0x188/0x1a8 [ 79.183333][ T4774] check_free_page_bad+0xf4/0x16c [ 79.184132][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.184867][ T4774] free_unref_page_list+0xdc/0x730 [ 79.185729][ T4774] release_pages+0x13bc/0x16dc [ 79.186533][ T4774] __pagevec_release+0x84/0xf8 [ 79.187201][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.188077][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.188841][ T4774] dbUnmount+0xf4/0x168 [ 79.189424][ T4774] jfs_umount+0x1c4/0x328 [ 79.190046][ T4774] jfs_put_super+0x90/0x188 [ 79.190838][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.191736][ T4774] kill_block_super+0x70/0xdc [ 79.192433][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.193291][ T4774] deactivate_super+0xf0/0x110 [ 79.194037][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.194685][ T4774] __cleanup_mnt+0x20/0x30 [ 79.195338][ T4774] task_work_run+0x12c/0x1d8 [ 79.196053][ T4774] do_notify_resume+0x2450/0x309c [ 79.196813][ T4774] el0_svc+0xf0/0x1d0 [ 79.197425][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.198153][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.200916][ T4774] BUG: Bad page state in process syz-executor pfn:10de09 [ 79.202132][ T4774] page:00000000b529608d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10de09 [ 79.203656][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.205688][ T4774] raw: 05ffc00000002006 fffffc000352b2c8 ffff80001fcf75c0 0000000000000000 [ 79.207056][ T4774] raw: 0000000000000003 ffff0000dca282e8 00000000ffffffff 0000000000000000 [ 79.208318][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.209538][ T4774] Modules linked in: [ 79.210150][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.211441][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.212875][ T4774] Call trace: [ 79.213469][ T4774] dump_backtrace+0x0/0x458 [ 79.214145][ T4774] show_stack+0x2c/0x3c [ 79.214762][ T4774] __dump_stack+0x30/0x40 [ 79.215453][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.216085][ T4774] dump_stack+0x1c/0x5c [ 79.216739][ T4774] bad_page+0x188/0x1a8 [ 79.217355][ T4774] check_free_page_bad+0xf4/0x16c [ 79.218121][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.219003][ T4774] free_unref_page_list+0xdc/0x730 [ 79.219700][ T4774] release_pages+0x13bc/0x16dc [ 79.220440][ T4774] __pagevec_release+0x84/0xf8 [ 79.221182][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.222024][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.222739][ T4774] dbUnmount+0xf4/0x168 [ 79.223373][ T4774] jfs_umount+0x1c4/0x328 [ 79.224043][ T4774] jfs_put_super+0x90/0x188 [ 79.224738][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.225515][ T4774] kill_block_super+0x70/0xdc [ 79.226196][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.226978][ T4774] deactivate_super+0xf0/0x110 [ 79.227687][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.228322][ T4774] __cleanup_mnt+0x20/0x30 [ 79.228943][ T4774] task_work_run+0x12c/0x1d8 [ 79.229631][ T4774] do_notify_resume+0x2450/0x309c [ 79.230385][ T4774] el0_svc+0xf0/0x1d0 [ 79.230965][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.231686][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.403887][ T4774] BUG: Bad page state in process syz-executor pfn:109d1f [ 79.411666][ T4774] page:0000000071e1dc24 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109d1f [ 79.413133][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.414595][ T4774] raw: 05ffc00000002006 fffffc0003c00048 ffff80001fcf75c0 0000000000000000 [ 79.423430][ T4774] raw: 0000000000000004 ffff0000dca28d90 00000000ffffffff 0000000000000000 [ 79.424703][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.426532][ T4774] Modules linked in: [ 79.427147][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.428496][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.429956][ T4774] Call trace: [ 79.430404][ T4774] dump_backtrace+0x0/0x458 [ 79.431033][ T4774] show_stack+0x2c/0x3c [ 79.431630][ T4774] __dump_stack+0x30/0x40 [ 79.432226][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.432844][ T4774] dump_stack+0x1c/0x5c [ 79.433418][ T4774] bad_page+0x188/0x1a8 [ 79.433996][ T4774] check_free_page_bad+0xf4/0x16c [ 79.434673][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.435469][ T4774] free_unref_page_list+0xdc/0x730 [ 79.436233][ T4774] release_pages+0x13bc/0x16dc [ 79.436941][ T4774] __pagevec_release+0x84/0xf8 [ 79.437613][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.438395][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.439172][ T4774] dbUnmount+0xf4/0x168 [ 79.439749][ T4774] jfs_umount+0x1c4/0x328 [ 79.440387][ T4774] jfs_put_super+0x90/0x188 [ 79.441036][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.441797][ T4774] kill_block_super+0x70/0xdc [ 79.442473][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.443230][ T4774] deactivate_super+0xf0/0x110 [ 79.443896][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.444489][ T4774] __cleanup_mnt+0x20/0x30 [ 79.445145][ T4774] task_work_run+0x12c/0x1d8 [ 79.445852][ T4774] do_notify_resume+0x2450/0x309c [ 79.446527][ T4774] el0_svc+0xf0/0x1d0 [ 79.447107][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.447844][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.449026][ T4774] BUG: Bad page state in process syz-executor pfn:130001 [ 79.450084][ T4774] page:0000000052aed994 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x130001 [ 79.451527][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.452939][ T4774] raw: 05ffc00000002006 fffffc00035fb488 ffff80001fcf75c0 0000000000000000 [ 79.454124][ T4774] raw: 0000000000000003 ffff0000dca28e88 00000000ffffffff 0000000000000000 [ 79.455337][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.456430][ T4774] Modules linked in: [ 79.457049][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.458351][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.459746][ T4774] Call trace: [ 79.460170][ T4774] dump_backtrace+0x0/0x458 [ 79.460823][ T4774] show_stack+0x2c/0x3c [ 79.461421][ T4774] __dump_stack+0x30/0x40 [ 79.462063][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.462728][ T4774] dump_stack+0x1c/0x5c [ 79.463297][ T4774] bad_page+0x188/0x1a8 [ 79.463933][ T4774] check_free_page_bad+0xf4/0x16c [ 79.464662][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.465450][ T4774] free_unref_page_list+0xdc/0x730 [ 79.466231][ T4774] release_pages+0x13bc/0x16dc [ 79.466903][ T4774] __pagevec_release+0x84/0xf8 [ 79.467610][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.468423][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.469162][ T4774] dbUnmount+0xf4/0x168 [ 79.469777][ T4774] jfs_umount+0x1c4/0x328 [ 79.470392][ T4774] jfs_put_super+0x90/0x188 [ 79.471030][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.471800][ T4774] kill_block_super+0x70/0xdc [ 79.472476][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.473231][ T4774] deactivate_super+0xf0/0x110 [ 79.473917][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.474524][ T4774] __cleanup_mnt+0x20/0x30 [ 79.475150][ T4774] task_work_run+0x12c/0x1d8 [ 79.475827][ T4774] do_notify_resume+0x2450/0x309c [ 79.476553][ T4774] el0_svc+0xf0/0x1d0 [ 79.477135][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.477901][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.662695][ T4774] BUG: Bad page state in process syz-executor pfn:12efea [ 79.663847][ T4774] page:00000000c452ea4e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12efea [ 79.665820][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.667381][ T4774] raw: 05ffc00000002006 fffffc0003af2888 ffff80001fcf75c0 0000000000000000 [ 79.668862][ T4774] raw: 0000000000000004 ffff0000e74975d0 00000000ffffffff 0000000000000000 [ 79.670212][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.671426][ T4774] Modules linked in: [ 79.672045][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.673347][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.674750][ T4774] Call trace: [ 79.675279][ T4774] dump_backtrace+0x0/0x458 [ 79.675943][ T4774] show_stack+0x2c/0x3c [ 79.676568][ T4774] __dump_stack+0x30/0x40 [ 79.677176][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.677890][ T4774] dump_stack+0x1c/0x5c [ 79.678518][ T4774] bad_page+0x188/0x1a8 [ 79.679143][ T4774] check_free_page_bad+0xf4/0x16c [ 79.679890][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.680664][ T4774] free_unref_page_list+0xdc/0x730 [ 79.681403][ T4774] release_pages+0x13bc/0x16dc [ 79.682081][ T4774] __pagevec_release+0x84/0xf8 [ 79.682783][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.683630][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.684383][ T4774] dbUnmount+0xf4/0x168 [ 79.685026][ T4774] jfs_umount+0x1c4/0x328 [ 79.685706][ T4774] jfs_put_super+0x90/0x188 [ 79.686349][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.687113][ T4774] kill_block_super+0x70/0xdc [ 79.687786][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.688553][ T4774] deactivate_super+0xf0/0x110 [ 79.689271][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.689929][ T4774] __cleanup_mnt+0x20/0x30 [ 79.690584][ T4774] task_work_run+0x12c/0x1d8 [ 79.691291][ T4774] do_notify_resume+0x2450/0x309c [ 79.692073][ T4774] el0_svc+0xf0/0x1d0 [ 79.692674][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.693458][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.695664][ T4774] BUG: Bad page state in process syz-executor pfn:12bca2 [ 79.696741][ T4774] page:00000000a1c8fbdb refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12bca2 [ 79.698255][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.699657][ T4774] raw: 05ffc00000002006 fffffc00034e3608 ffff80001fcf75c0 0000000000000000 [ 79.700962][ T4774] raw: 0000000000000003 ffff0000e74976c8 00000000ffffffff 0000000000000000 [ 79.702252][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.703305][ T4774] Modules linked in: [ 79.703884][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.705253][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.706774][ T4774] Call trace: [ 79.707230][ T4774] dump_backtrace+0x0/0x458 [ 79.707912][ T4774] show_stack+0x2c/0x3c [ 79.708525][ T4774] __dump_stack+0x30/0x40 [ 79.709133][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.709828][ T4774] dump_stack+0x1c/0x5c [ 79.710511][ T4774] bad_page+0x188/0x1a8 [ 79.711146][ T4774] check_free_page_bad+0xf4/0x16c [ 79.711850][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.712665][ T4774] free_unref_page_list+0xdc/0x730 [ 79.713468][ T4774] release_pages+0x13bc/0x16dc [ 79.714147][ T4774] __pagevec_release+0x84/0xf8 [ 79.714839][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.715640][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.716394][ T4774] dbUnmount+0xf4/0x168 [ 79.717034][ T4774] jfs_umount+0x1c4/0x328 [ 79.717660][ T4774] jfs_put_super+0x90/0x188 [ 79.718327][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.719143][ T4774] kill_block_super+0x70/0xdc [ 79.719850][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.720696][ T4774] deactivate_super+0xf0/0x110 [ 79.721475][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.722113][ T4774] __cleanup_mnt+0x20/0x30 [ 79.722753][ T4774] task_work_run+0x12c/0x1d8 [ 79.723442][ T4774] do_notify_resume+0x2450/0x309c [ 79.724202][ T4774] el0_svc+0xf0/0x1d0 [ 79.724766][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.725476][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.904244][ T4774] BUG: Bad page state in process syz-executor pfn:1199d0 [ 79.906196][ T4774] page:00000000f26371a6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1199d0 [ 79.907781][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.909203][ T4774] raw: 05ffc00000002006 fffffc000343d108 ffff80001fcf75c0 0000000000000000 [ 79.910452][ T4774] raw: 0000000000000004 ffff0000d1f1d7c0 00000000ffffffff 0000000000000000 [ 79.911721][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.912826][ T4774] Modules linked in: [ 79.913353][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.914587][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.916019][ T4774] Call trace: [ 79.916500][ T4774] dump_backtrace+0x0/0x458 [ 79.917164][ T4774] show_stack+0x2c/0x3c [ 79.917754][ T4774] __dump_stack+0x30/0x40 [ 79.918375][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.919022][ T4774] dump_stack+0x1c/0x5c [ 79.919635][ T4774] bad_page+0x188/0x1a8 [ 79.920249][ T4774] check_free_page_bad+0xf4/0x16c [ 79.920941][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.921762][ T4774] free_unref_page_list+0xdc/0x730 [ 79.922539][ T4774] release_pages+0x13bc/0x16dc [ 79.923244][ T4774] __pagevec_release+0x84/0xf8 [ 79.923918][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.924726][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.925432][ T4774] dbUnmount+0xf4/0x168 [ 79.926003][ T4774] jfs_umount+0x1c4/0x328 [ 79.926612][ T4774] jfs_put_super+0x90/0x188 [ 79.927266][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.928051][ T4774] kill_block_super+0x70/0xdc [ 79.928769][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.929577][ T4774] deactivate_super+0xf0/0x110 [ 79.930224][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.930804][ T4774] __cleanup_mnt+0x20/0x30 [ 79.931391][ T4774] task_work_run+0x12c/0x1d8 [ 79.932010][ T4774] do_notify_resume+0x2450/0x309c [ 79.932738][ T4774] el0_svc+0xf0/0x1d0 [ 79.933309][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.934014][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 79.935615][ T4774] BUG: Bad page state in process syz-executor pfn:110f44 [ 79.936781][ T4774] page:00000000026fba9b refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x110f44 [ 79.938403][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.939847][ T4774] raw: 05ffc00000002006 fffffc0003281148 ffff80001fcf75c0 0000000000000000 [ 79.941043][ T4774] raw: 0000000000000003 ffff0000d1f1d8b8 00000000ffffffff 0000000000000000 [ 79.942279][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.943391][ T4774] Modules linked in: [ 79.943972][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.945249][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.946703][ T4774] Call trace: [ 79.947166][ T4774] dump_backtrace+0x0/0x458 [ 79.947856][ T4774] show_stack+0x2c/0x3c [ 79.948422][ T4774] __dump_stack+0x30/0x40 [ 79.949065][ T4774] dump_stack_lvl+0xf4/0x15c [ 79.949770][ T4774] dump_stack+0x1c/0x5c [ 79.950382][ T4774] bad_page+0x188/0x1a8 [ 79.951010][ T4774] check_free_page_bad+0xf4/0x16c [ 79.951769][ T4774] free_unref_page_prepare+0x738/0xa84 [ 79.952560][ T4774] free_unref_page_list+0xdc/0x730 [ 79.953332][ T4774] release_pages+0x13bc/0x16dc [ 79.954011][ T4774] __pagevec_release+0x84/0xf8 [ 79.954703][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 79.955501][ T4774] truncate_inode_pages+0x2c/0x3c [ 79.956242][ T4774] dbUnmount+0xf4/0x168 [ 79.956868][ T4774] jfs_umount+0x1c4/0x328 [ 79.957473][ T4774] jfs_put_super+0x90/0x188 [ 79.958150][ T4774] generic_shutdown_super+0x130/0x2f0 [ 79.958946][ T4774] kill_block_super+0x70/0xdc [ 79.959670][ T4774] deactivate_locked_super+0xb8/0x134 [ 79.960459][ T4774] deactivate_super+0xf0/0x110 [ 79.961102][ T4774] cleanup_mnt+0x3b8/0x46c [ 79.961749][ T4774] __cleanup_mnt+0x20/0x30 [ 79.962395][ T4774] task_work_run+0x12c/0x1d8 [ 79.963014][ T4774] do_notify_resume+0x2450/0x309c [ 79.963787][ T4774] el0_svc+0xf0/0x1d0 [ 79.964377][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 79.965095][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.154583][ T4774] BUG: Bad page state in process syz-executor pfn:10ac6d [ 80.156027][ T4774] page:00000000082c68f4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ac6d [ 80.157688][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.159138][ T4774] raw: 05ffc00000002006 fffffc00032a2208 ffff80001fcf75c0 0000000000000000 [ 80.160331][ T4774] raw: 0000000000000004 ffff0000d2ef29b0 00000000ffffffff 0000000000000000 [ 80.161492][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.162476][ T4774] Modules linked in: [ 80.163045][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.164284][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.165698][ T4774] Call trace: [ 80.166181][ T4774] dump_backtrace+0x0/0x458 [ 80.166840][ T4774] show_stack+0x2c/0x3c [ 80.167421][ T4774] __dump_stack+0x30/0x40 [ 80.168040][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.168688][ T4774] dump_stack+0x1c/0x5c [ 80.169271][ T4774] bad_page+0x188/0x1a8 [ 80.169871][ T4774] check_free_page_bad+0xf4/0x16c [ 80.170598][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.171396][ T4774] free_unref_page_list+0xdc/0x730 [ 80.172184][ T4774] release_pages+0x13bc/0x16dc [ 80.172862][ T4774] __pagevec_release+0x84/0xf8 [ 80.173589][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.174433][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.175159][ T4774] dbUnmount+0xf4/0x168 [ 80.175755][ T4774] jfs_umount+0x1c4/0x328 [ 80.176367][ T4774] jfs_put_super+0x90/0x188 [ 80.177018][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.177757][ T4774] kill_block_super+0x70/0xdc [ 80.178391][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.179150][ T4774] deactivate_super+0xf0/0x110 [ 80.179841][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.180435][ T4774] __cleanup_mnt+0x20/0x30 [ 80.181078][ T4774] task_work_run+0x12c/0x1d8 [ 80.181740][ T4774] do_notify_resume+0x2450/0x309c [ 80.182456][ T4774] el0_svc+0xf0/0x1d0 [ 80.183016][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.183743][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.184595][ T4774] BUG: Bad page state in process syz-executor pfn:10a888 [ 80.185977][ T4774] page:000000000eb0f5a8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10a888 [ 80.187619][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.188972][ T4774] raw: 05ffc00000002006 fffffc000328bd08 ffff80001fcf75c0 0000000000000000 [ 80.190191][ T4774] raw: 0000000000000003 ffff0000d2ef2aa8 00000000ffffffff 0000000000000000 [ 80.191369][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.192377][ T4774] Modules linked in: [ 80.192915][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.194103][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.195497][ T4774] Call trace: [ 80.195951][ T4774] dump_backtrace+0x0/0x458 [ 80.196671][ T4774] show_stack+0x2c/0x3c [ 80.197258][ T4774] __dump_stack+0x30/0x40 [ 80.197859][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.198532][ T4774] dump_stack+0x1c/0x5c [ 80.199099][ T4774] bad_page+0x188/0x1a8 [ 80.199683][ T4774] check_free_page_bad+0xf4/0x16c [ 80.200373][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.201149][ T4774] free_unref_page_list+0xdc/0x730 [ 80.201947][ T4774] release_pages+0x13bc/0x16dc [ 80.202653][ T4774] __pagevec_release+0x84/0xf8 [ 80.203323][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.204130][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.204816][ T4774] dbUnmount+0xf4/0x168 [ 80.205402][ T4774] jfs_umount+0x1c4/0x328 [ 80.206007][ T4774] jfs_put_super+0x90/0x188 [ 80.206654][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.207468][ T4774] kill_block_super+0x70/0xdc [ 80.208128][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.208893][ T4774] deactivate_super+0xf0/0x110 [ 80.209530][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.210154][ T4774] __cleanup_mnt+0x20/0x30 [ 80.210774][ T4774] task_work_run+0x12c/0x1d8 [ 80.211401][ T4774] do_notify_resume+0x2450/0x309c [ 80.212126][ T4774] el0_svc+0xf0/0x1d0 [ 80.212685][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.213388][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.374947][ T4774] BUG: Bad page state in process syz-executor pfn:118eb3 [ 80.376163][ T4774] page:00000000fa249f38 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x118eb3 [ 80.377692][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.379187][ T4774] raw: 05ffc00000002006 fffffc00039d63c8 ffff80001fcf75c0 0000000000000000 [ 80.380468][ T4774] raw: 0000000000000004 ffff0000e7d569b0 00000000ffffffff 0000000000000000 [ 80.381633][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.382659][ T4774] Modules linked in: [ 80.383245][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.384588][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.385994][ T4774] Call trace: [ 80.386468][ T4774] dump_backtrace+0x0/0x458 [ 80.387153][ T4774] show_stack+0x2c/0x3c [ 80.387757][ T4774] __dump_stack+0x30/0x40 [ 80.388369][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.389037][ T4774] dump_stack+0x1c/0x5c [ 80.389646][ T4774] bad_page+0x188/0x1a8 [ 80.390256][ T4774] check_free_page_bad+0xf4/0x16c [ 80.390969][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.391713][ T4774] free_unref_page_list+0xdc/0x730 [ 80.392410][ T4774] release_pages+0x13bc/0x16dc [ 80.393146][ T4774] __pagevec_release+0x84/0xf8 [ 80.393902][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.394762][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.395471][ T4774] dbUnmount+0xf4/0x168 [ 80.396120][ T4774] jfs_umount+0x1c4/0x328 [ 80.396755][ T4774] jfs_put_super+0x90/0x188 [ 80.397361][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.398114][ T4774] kill_block_super+0x70/0xdc [ 80.398785][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.399593][ T4774] deactivate_super+0xf0/0x110 [ 80.400278][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.400912][ T4774] __cleanup_mnt+0x20/0x30 [ 80.401543][ T4774] task_work_run+0x12c/0x1d8 [ 80.402162][ T4774] do_notify_resume+0x2450/0x309c [ 80.402922][ T4774] el0_svc+0xf0/0x1d0 [ 80.403456][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.404215][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.405760][ T4774] BUG: Bad page state in process syz-executor pfn:12758f [ 80.406761][ T4774] page:00000000432c06ab refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12758f [ 80.408188][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.409620][ T4774] raw: 05ffc00000002006 fffffc00035a40c8 ffff80001fcf75c0 0000000000000000 [ 80.410843][ T4774] raw: 0000000000000003 ffff0000e7d56aa8 00000000ffffffff 0000000000000000 [ 80.412022][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.413008][ T4774] Modules linked in: [ 80.413610][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.414973][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.416420][ T4774] Call trace: 1970/01/01 00:01:20 executed programs: 22 [ 80.416883][ T4774] dump_backtrace+0x0/0x458 [ 80.417560][ T4774] show_stack+0x2c/0x3c [ 80.418192][ T4774] __dump_stack+0x30/0x40 [ 80.418813][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.419472][ T4774] dump_stack+0x1c/0x5c [ 80.420080][ T4774] bad_page+0x188/0x1a8 [ 80.420681][ T4774] check_free_page_bad+0xf4/0x16c [ 80.421434][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.422218][ T4774] free_unref_page_list+0xdc/0x730 [ 80.422985][ T4774] release_pages+0x13bc/0x16dc [ 80.423671][ T4774] __pagevec_release+0x84/0xf8 [ 80.424373][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.425199][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.425956][ T4774] dbUnmount+0xf4/0x168 [ 80.426556][ T4774] jfs_umount+0x1c4/0x328 [ 80.427160][ T4774] jfs_put_super+0x90/0x188 [ 80.427832][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.428602][ T4774] kill_block_super+0x70/0xdc [ 80.429258][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.430010][ T4774] deactivate_super+0xf0/0x110 [ 80.430678][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.431347][ T4774] __cleanup_mnt+0x20/0x30 [ 80.432039][ T4774] task_work_run+0x12c/0x1d8 [ 80.432676][ T4774] do_notify_resume+0x2450/0x309c [ 80.433433][ T4774] el0_svc+0xf0/0x1d0 [ 80.434029][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.434784][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.564347][ T5022] set_capacity_and_notify: 10 callbacks suppressed [ 80.564356][ T5022] loop0: detected capacity change from 0 to 32768 [ 80.633170][ T4774] BUG: Bad page state in process syz-executor pfn:10b295 [ 80.634333][ T4774] page:00000000050e501c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10b295 [ 80.636439][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.637835][ T4774] raw: 05ffc00000002006 fffffc00031ec088 ffff80001fcf75c0 0000000000000000 [ 80.639093][ T4774] raw: 0000000000000004 ffff0000d4d7eba0 00000000ffffffff 0000000000000000 [ 80.640296][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.641255][ T4774] Modules linked in: [ 80.641819][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.643001][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.644433][ T4774] Call trace: [ 80.644943][ T4774] dump_backtrace+0x0/0x458 [ 80.645582][ T4774] show_stack+0x2c/0x3c [ 80.646167][ T4774] __dump_stack+0x30/0x40 [ 80.646844][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.647516][ T4774] dump_stack+0x1c/0x5c [ 80.648206][ T4774] bad_page+0x188/0x1a8 [ 80.648780][ T4774] check_free_page_bad+0xf4/0x16c [ 80.649582][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.650376][ T4774] free_unref_page_list+0xdc/0x730 [ 80.651091][ T4774] release_pages+0x13bc/0x16dc [ 80.651751][ T4774] __pagevec_release+0x84/0xf8 [ 80.652429][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.653268][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.653981][ T4774] dbUnmount+0xf4/0x168 [ 80.654570][ T4774] jfs_umount+0x1c4/0x328 [ 80.655164][ T4774] jfs_put_super+0x90/0x188 [ 80.655827][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.656654][ T4774] kill_block_super+0x70/0xdc [ 80.657313][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.658248][ T4774] deactivate_super+0xf0/0x110 [ 80.659095][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.659772][ T4774] __cleanup_mnt+0x20/0x30 [ 80.660467][ T4774] task_work_run+0x12c/0x1d8 [ 80.661203][ T4774] do_notify_resume+0x2450/0x309c [ 80.661992][ T4774] el0_svc+0xf0/0x1d0 [ 80.662623][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.663355][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.665228][ T4774] BUG: Bad page state in process syz-executor pfn:107b02 [ 80.666270][ T4774] page:000000004698f06d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x107b02 [ 80.667736][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.669104][ T4774] raw: 05ffc00000002006 fffffc0003b1adc8 ffff80001fcf75c0 0000000000000000 [ 80.670336][ T4774] raw: 0000000000000003 ffff0000d4d7ec98 00000000ffffffff 0000000000000000 [ 80.671594][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.672559][ T4774] Modules linked in: [ 80.673155][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.674385][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.675865][ T4774] Call trace: [ 80.676287][ T4774] dump_backtrace+0x0/0x458 [ 80.676936][ T4774] show_stack+0x2c/0x3c [ 80.677539][ T4774] __dump_stack+0x30/0x40 [ 80.678203][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.678855][ T4774] dump_stack+0x1c/0x5c [ 80.679460][ T4774] bad_page+0x188/0x1a8 [ 80.680066][ T4774] check_free_page_bad+0xf4/0x16c [ 80.680854][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.681675][ T4774] free_unref_page_list+0xdc/0x730 [ 80.682416][ T4774] release_pages+0x13bc/0x16dc [ 80.683063][ T4774] __pagevec_release+0x84/0xf8 [ 80.683786][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.684588][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.685291][ T4774] dbUnmount+0xf4/0x168 [ 80.685868][ T4774] jfs_umount+0x1c4/0x328 [ 80.686473][ T4774] jfs_put_super+0x90/0x188 [ 80.687120][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.687888][ T4774] kill_block_super+0x70/0xdc [ 80.688577][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.689380][ T4774] deactivate_super+0xf0/0x110 [ 80.690118][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.690760][ T4774] __cleanup_mnt+0x20/0x30 [ 80.691472][ T4774] task_work_run+0x12c/0x1d8 [ 80.692237][ T4774] do_notify_resume+0x2450/0x309c [ 80.693007][ T4774] el0_svc+0xf0/0x1d0 [ 80.693547][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.694367][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.802607][ T5024] loop0: detected capacity change from 0 to 32768 [ 80.853833][ T4774] BUG: Bad page state in process syz-executor pfn:10949e [ 80.855099][ T4774] page:00000000aba8cf5c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10949e [ 80.856660][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.858124][ T4774] raw: 05ffc00000002006 fffffc0003056688 ffff80001fcf75c0 0000000000000000 [ 80.859340][ T4774] raw: 0000000000000004 ffff0000ec797d90 00000000ffffffff 0000000000000000 [ 80.860639][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.861688][ T4774] Modules linked in: [ 80.862282][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.863553][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.865033][ T4774] Call trace: [ 80.865522][ T4774] dump_backtrace+0x0/0x458 [ 80.866221][ T4774] show_stack+0x2c/0x3c [ 80.866817][ T4774] __dump_stack+0x30/0x40 [ 80.867425][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.868128][ T4774] dump_stack+0x1c/0x5c [ 80.868719][ T4774] bad_page+0x188/0x1a8 [ 80.869334][ T4774] check_free_page_bad+0xf4/0x16c [ 80.870124][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.870913][ T4774] free_unref_page_list+0xdc/0x730 [ 80.871634][ T4774] release_pages+0x13bc/0x16dc [ 80.872313][ T4774] __pagevec_release+0x84/0xf8 [ 80.872968][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.873860][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.874587][ T4774] dbUnmount+0xf4/0x168 [ 80.875226][ T4774] jfs_umount+0x1c4/0x328 [ 80.875825][ T4774] jfs_put_super+0x90/0x188 [ 80.876541][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.877341][ T4774] kill_block_super+0x70/0xdc [ 80.878055][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.878901][ T4774] deactivate_super+0xf0/0x110 [ 80.879538][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.880151][ T4774] __cleanup_mnt+0x20/0x30 [ 80.880832][ T4774] task_work_run+0x12c/0x1d8 [ 80.881507][ T4774] do_notify_resume+0x2450/0x309c [ 80.882227][ T4774] el0_svc+0xf0/0x1d0 [ 80.882817][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.883682][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 80.884493][ T4774] BUG: Bad page state in process syz-executor pfn:10159a [ 80.886695][ T4774] page:00000000b3724101 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10159a [ 80.888346][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.889830][ T4774] raw: 05ffc00000002006 fffffc00036c3b48 ffff80001fcf75c0 0000000000000000 [ 80.891057][ T4774] raw: 0000000000000003 ffff0000ec797e88 00000000ffffffff 0000000000000000 [ 80.892284][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.893321][ T4774] Modules linked in: [ 80.893909][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.895221][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.896717][ T4774] Call trace: [ 80.897185][ T4774] dump_backtrace+0x0/0x458 [ 80.897828][ T4774] show_stack+0x2c/0x3c [ 80.898442][ T4774] __dump_stack+0x30/0x40 [ 80.899067][ T4774] dump_stack_lvl+0xf4/0x15c [ 80.899792][ T4774] dump_stack+0x1c/0x5c [ 80.900394][ T4774] bad_page+0x188/0x1a8 [ 80.901047][ T4774] check_free_page_bad+0xf4/0x16c [ 80.901795][ T4774] free_unref_page_prepare+0x738/0xa84 [ 80.902566][ T4774] free_unref_page_list+0xdc/0x730 [ 80.903301][ T4774] release_pages+0x13bc/0x16dc [ 80.904023][ T4774] __pagevec_release+0x84/0xf8 [ 80.904750][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 80.905566][ T4774] truncate_inode_pages+0x2c/0x3c [ 80.906338][ T4774] dbUnmount+0xf4/0x168 [ 80.906973][ T4774] jfs_umount+0x1c4/0x328 [ 80.907597][ T4774] jfs_put_super+0x90/0x188 [ 80.908266][ T4774] generic_shutdown_super+0x130/0x2f0 [ 80.909086][ T4774] kill_block_super+0x70/0xdc [ 80.909763][ T4774] deactivate_locked_super+0xb8/0x134 [ 80.910544][ T4774] deactivate_super+0xf0/0x110 [ 80.911227][ T4774] cleanup_mnt+0x3b8/0x46c [ 80.911928][ T4774] __cleanup_mnt+0x20/0x30 [ 80.912559][ T4774] task_work_run+0x12c/0x1d8 [ 80.913246][ T4774] do_notify_resume+0x2450/0x309c [ 80.914000][ T4774] el0_svc+0xf0/0x1d0 [ 80.914644][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 80.915370][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.033488][ T5026] loop0: detected capacity change from 0 to 32768 [ 81.123636][ T4774] BUG: Bad page state in process syz-executor pfn:119cb9 [ 81.125111][ T4774] page:00000000be2a0128 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x119cb9 [ 81.126706][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.128065][ T4774] raw: 05ffc00000002006 fffffc00033003c8 ffff80001fcf75c0 0000000000000000 [ 81.129366][ T4774] raw: 0000000000000004 ffff0000ce181ba0 00000000ffffffff 0000000000000000 [ 81.130622][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.131690][ T4774] Modules linked in: [ 81.132238][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.133537][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.135028][ T4774] Call trace: [ 81.135512][ T4774] dump_backtrace+0x0/0x458 [ 81.136191][ T4774] show_stack+0x2c/0x3c [ 81.136834][ T4774] __dump_stack+0x30/0x40 [ 81.137470][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.138127][ T4774] dump_stack+0x1c/0x5c [ 81.138725][ T4774] bad_page+0x188/0x1a8 [ 81.139338][ T4774] check_free_page_bad+0xf4/0x16c [ 81.140081][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.140816][ T4774] free_unref_page_list+0xdc/0x730 [ 81.141565][ T4774] release_pages+0x13bc/0x16dc [ 81.142327][ T4774] __pagevec_release+0x84/0xf8 [ 81.143026][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.143864][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.144645][ T4774] dbUnmount+0xf4/0x168 [ 81.145237][ T4774] jfs_umount+0x1c4/0x328 [ 81.145940][ T4774] jfs_put_super+0x90/0x188 [ 81.146580][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.147389][ T4774] kill_block_super+0x70/0xdc [ 81.148049][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.148807][ T4774] deactivate_super+0xf0/0x110 [ 81.149561][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.150202][ T4774] __cleanup_mnt+0x20/0x30 [ 81.150811][ T4774] task_work_run+0x12c/0x1d8 [ 81.151421][ T4774] do_notify_resume+0x2450/0x309c [ 81.152154][ T4774] el0_svc+0xf0/0x1d0 [ 81.152746][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.153532][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.154315][ T4774] BUG: Bad page state in process syz-executor pfn:10c00f [ 81.156663][ T4774] page:00000000cb8da72b refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10c00f [ 81.158155][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.159459][ T4774] raw: 05ffc00000002006 fffffc0003be5b48 ffff80001fcf75c0 0000000000000000 [ 81.160750][ T4774] raw: 0000000000000003 ffff0000ce181c98 00000000ffffffff 0000000000000000 [ 81.162042][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.163097][ T4774] Modules linked in: [ 81.163682][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.164992][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.166507][ T4774] Call trace: [ 81.166953][ T4774] dump_backtrace+0x0/0x458 [ 81.167611][ T4774] show_stack+0x2c/0x3c [ 81.168247][ T4774] __dump_stack+0x30/0x40 [ 81.168871][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.169575][ T4774] dump_stack+0x1c/0x5c [ 81.170183][ T4774] bad_page+0x188/0x1a8 [ 81.170815][ T4774] check_free_page_bad+0xf4/0x16c [ 81.171465][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.172252][ T4774] free_unref_page_list+0xdc/0x730 [ 81.173111][ T4774] release_pages+0x13bc/0x16dc [ 81.173809][ T4774] __pagevec_release+0x84/0xf8 [ 81.174556][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.175477][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.176252][ T4774] dbUnmount+0xf4/0x168 [ 81.176817][ T4774] jfs_umount+0x1c4/0x328 [ 81.177426][ T4774] jfs_put_super+0x90/0x188 [ 81.178118][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.178847][ T4774] kill_block_super+0x70/0xdc [ 81.179528][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.180351][ T4774] deactivate_super+0xf0/0x110 [ 81.181093][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.181726][ T4774] __cleanup_mnt+0x20/0x30 [ 81.182401][ T4774] task_work_run+0x12c/0x1d8 [ 81.183118][ T4774] do_notify_resume+0x2450/0x309c [ 81.183920][ T4774] el0_svc+0xf0/0x1d0 [ 81.184562][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.185300][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.325282][ T5028] loop0: detected capacity change from 0 to 32768 [ 81.393699][ T4774] BUG: Bad page state in process syz-executor pfn:10ae8c [ 81.395104][ T4774] page:00000000b782d468 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ae8c [ 81.396673][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.398159][ T4774] raw: 05ffc00000002006 fffffc000317ae88 ffff80001fcf75c0 0000000000000000 [ 81.399487][ T4774] raw: 0000000000000004 ffff0000ebd37000 00000000ffffffff 0000000000000000 [ 81.400818][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.401941][ T4774] Modules linked in: [ 81.402561][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.403888][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.405326][ T4774] Call trace: [ 81.405797][ T4774] dump_backtrace+0x0/0x458 [ 81.406512][ T4774] show_stack+0x2c/0x3c [ 81.407145][ T4774] __dump_stack+0x30/0x40 [ 81.407774][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.408546][ T4774] dump_stack+0x1c/0x5c [ 81.409178][ T4774] bad_page+0x188/0x1a8 [ 81.409821][ T4774] check_free_page_bad+0xf4/0x16c [ 81.410631][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.411434][ T4774] free_unref_page_list+0xdc/0x730 [ 81.412168][ T4774] release_pages+0x13bc/0x16dc [ 81.412923][ T4774] __pagevec_release+0x84/0xf8 [ 81.413665][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.414574][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.415380][ T4774] dbUnmount+0xf4/0x168 [ 81.416036][ T4774] jfs_umount+0x1c4/0x328 [ 81.416680][ T4774] jfs_put_super+0x90/0x188 [ 81.417340][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.418183][ T4774] kill_block_super+0x70/0xdc [ 81.418890][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.419697][ T4774] deactivate_super+0xf0/0x110 [ 81.420471][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.421136][ T4774] __cleanup_mnt+0x20/0x30 [ 81.421799][ T4774] task_work_run+0x12c/0x1d8 [ 81.422556][ T4774] do_notify_resume+0x2450/0x309c [ 81.423374][ T4774] el0_svc+0xf0/0x1d0 [ 81.423941][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.424653][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.426311][ T4774] BUG: Bad page state in process syz-executor pfn:105eba [ 81.427304][ T4774] page:000000005a6c6dd9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x105eba [ 81.428715][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.430055][ T4774] raw: 05ffc00000002006 fffffc0003ae7608 ffff80001fcf75c0 0000000000000000 [ 81.431297][ T4774] raw: 0000000000000003 ffff0000ebd370f8 00000000ffffffff 0000000000000000 [ 81.432691][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.433845][ T4774] Modules linked in: [ 81.434414][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.435767][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.437240][ T4774] Call trace: [ 81.437802][ T4774] dump_backtrace+0x0/0x458 [ 81.438512][ T4774] show_stack+0x2c/0x3c [ 81.439143][ T4774] __dump_stack+0x30/0x40 [ 81.439825][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.440487][ T4774] dump_stack+0x1c/0x5c [ 81.441135][ T4774] bad_page+0x188/0x1a8 [ 81.441753][ T4774] check_free_page_bad+0xf4/0x16c [ 81.442512][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.443371][ T4774] free_unref_page_list+0xdc/0x730 [ 81.444095][ T4774] release_pages+0x13bc/0x16dc [ 81.444787][ T4774] __pagevec_release+0x84/0xf8 [ 81.445437][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.446267][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.447065][ T4774] dbUnmount+0xf4/0x168 [ 81.447650][ T4774] jfs_umount+0x1c4/0x328 [ 81.448302][ T4774] jfs_put_super+0x90/0x188 [ 81.448985][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.449768][ T4774] kill_block_super+0x70/0xdc [ 81.450470][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.451251][ T4774] deactivate_super+0xf0/0x110 [ 81.452022][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.452648][ T4774] __cleanup_mnt+0x20/0x30 [ 81.453270][ T4774] task_work_run+0x12c/0x1d8 [ 81.453912][ T4774] do_notify_resume+0x2450/0x309c [ 81.454664][ T4774] el0_svc+0xf0/0x1d0 [ 81.455242][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.456002][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.626598][ T5030] loop0: detected capacity change from 0 to 32768 [ 81.662132][ T4774] BUG: Bad page state in process syz-executor pfn:109d17 [ 81.663233][ T4774] page:000000005c589c85 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109d17 [ 81.666140][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.667684][ T4774] raw: 05ffc00000002006 fffffc00032ee508 ffff80001fcf75c0 0000000000000000 [ 81.669109][ T4774] raw: 0000000000000004 ffff0000caf4a1f0 00000000ffffffff 0000000000000000 [ 81.670339][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.671374][ T4774] Modules linked in: [ 81.671990][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.673257][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.674650][ T4774] Call trace: [ 81.675115][ T4774] dump_backtrace+0x0/0x458 [ 81.675714][ T4774] show_stack+0x2c/0x3c [ 81.676314][ T4774] __dump_stack+0x30/0x40 [ 81.676976][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.677644][ T4774] dump_stack+0x1c/0x5c [ 81.678174][ T4774] bad_page+0x188/0x1a8 [ 81.678843][ T4774] check_free_page_bad+0xf4/0x16c [ 81.679629][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.680434][ T4774] free_unref_page_list+0xdc/0x730 [ 81.681178][ T4774] release_pages+0x13bc/0x16dc [ 81.681931][ T4774] __pagevec_release+0x84/0xf8 [ 81.682610][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.683442][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.684191][ T4774] dbUnmount+0xf4/0x168 [ 81.684740][ T4774] jfs_umount+0x1c4/0x328 [ 81.685329][ T4774] jfs_put_super+0x90/0x188 [ 81.686065][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.686887][ T4774] kill_block_super+0x70/0xdc [ 81.687563][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.688405][ T4774] deactivate_super+0xf0/0x110 [ 81.689170][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.689826][ T4774] __cleanup_mnt+0x20/0x30 [ 81.690501][ T4774] task_work_run+0x12c/0x1d8 [ 81.691173][ T4774] do_notify_resume+0x2450/0x309c [ 81.691937][ T4774] el0_svc+0xf0/0x1d0 [ 81.692564][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.693230][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.694883][ T4774] BUG: Bad page state in process syz-executor pfn:10bb94 [ 81.695970][ T4774] page:000000005c3a2578 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x10bb94 [ 81.697598][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.699186][ T4774] raw: 05ffc00000002006 fffffc0003b1aac8 ffff80001fcf75c0 0000000000000000 [ 81.700377][ T4774] raw: 0000000000000003 ffff0000caf4a2e8 00000000ffffffff 0000000000000000 [ 81.701632][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.702761][ T4774] Modules linked in: [ 81.703361][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.704621][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.706176][ T4774] Call trace: [ 81.706718][ T4774] dump_backtrace+0x0/0x458 [ 81.707392][ T4774] show_stack+0x2c/0x3c [ 81.708005][ T4774] __dump_stack+0x30/0x40 [ 81.708620][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.709341][ T4774] dump_stack+0x1c/0x5c [ 81.709967][ T4774] bad_page+0x188/0x1a8 [ 81.710554][ T4774] check_free_page_bad+0xf4/0x16c [ 81.711351][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.712158][ T4774] free_unref_page_list+0xdc/0x730 [ 81.712853][ T4774] release_pages+0x13bc/0x16dc [ 81.713553][ T4774] __pagevec_release+0x84/0xf8 [ 81.714302][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.715078][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.715793][ T4774] dbUnmount+0xf4/0x168 [ 81.716397][ T4774] jfs_umount+0x1c4/0x328 [ 81.717045][ T4774] jfs_put_super+0x90/0x188 [ 81.717706][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.718485][ T4774] kill_block_super+0x70/0xdc [ 81.719169][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.720023][ T4774] deactivate_super+0xf0/0x110 [ 81.720749][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.721438][ T4774] __cleanup_mnt+0x20/0x30 [ 81.722095][ T4774] task_work_run+0x12c/0x1d8 [ 81.722821][ T4774] do_notify_resume+0x2450/0x309c [ 81.723533][ T4774] el0_svc+0xf0/0x1d0 [ 81.724091][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.724813][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.846963][ T5032] loop0: detected capacity change from 0 to 32768 [ 81.925379][ T4774] BUG: Bad page state in process syz-executor pfn:12c0b5 [ 81.926570][ T4774] page:000000003dd632df refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c0b5 [ 81.928092][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.929575][ T4774] raw: 05ffc00000002006 fffffc00039f5548 ffff80001fcf75c0 0000000000000000 [ 81.930901][ T4774] raw: 0000000000000004 ffff0000e80503e0 00000000ffffffff 0000000000000000 [ 81.932193][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.933287][ T4774] Modules linked in: [ 81.933920][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.935251][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.936715][ T4774] Call trace: [ 81.937159][ T4774] dump_backtrace+0x0/0x458 [ 81.937845][ T4774] show_stack+0x2c/0x3c [ 81.938484][ T4774] __dump_stack+0x30/0x40 [ 81.939148][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.939812][ T4774] dump_stack+0x1c/0x5c [ 81.940441][ T4774] bad_page+0x188/0x1a8 [ 81.941061][ T4774] check_free_page_bad+0xf4/0x16c [ 81.941827][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.942605][ T4774] free_unref_page_list+0xdc/0x730 [ 81.943306][ T4774] release_pages+0x13bc/0x16dc [ 81.944005][ T4774] __pagevec_release+0x84/0xf8 [ 81.944694][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.945522][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.946276][ T4774] dbUnmount+0xf4/0x168 [ 81.946863][ T4774] jfs_umount+0x1c4/0x328 [ 81.947504][ T4774] jfs_put_super+0x90/0x188 [ 81.948162][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.948927][ T4774] kill_block_super+0x70/0xdc [ 81.949590][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.950355][ T4774] deactivate_super+0xf0/0x110 [ 81.951121][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.951799][ T4774] __cleanup_mnt+0x20/0x30 [ 81.952478][ T4774] task_work_run+0x12c/0x1d8 [ 81.953130][ T4774] do_notify_resume+0x2450/0x309c [ 81.953844][ T4774] el0_svc+0xf0/0x1d0 [ 81.954428][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.955174][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 81.956401][ T4774] BUG: Bad page state in process syz-executor pfn:127d55 [ 81.957479][ T4774] page:00000000e66b4123 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x127d55 [ 81.958901][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.960358][ T4774] raw: 05ffc00000002006 fffffc000343db48 ffff80001fcf75c0 0000000000000000 [ 81.961661][ T4774] raw: 0000000000000003 ffff0000e80504d8 00000000ffffffff 0000000000000000 [ 81.962913][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.964042][ T4774] Modules linked in: [ 81.964627][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.965942][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.967410][ T4774] Call trace: [ 81.967861][ T4774] dump_backtrace+0x0/0x458 [ 81.968504][ T4774] show_stack+0x2c/0x3c [ 81.969141][ T4774] __dump_stack+0x30/0x40 [ 81.969807][ T4774] dump_stack_lvl+0xf4/0x15c [ 81.970489][ T4774] dump_stack+0x1c/0x5c [ 81.971120][ T4774] bad_page+0x188/0x1a8 [ 81.971743][ T4774] check_free_page_bad+0xf4/0x16c [ 81.972456][ T4774] free_unref_page_prepare+0x738/0xa84 [ 81.973244][ T4774] free_unref_page_list+0xdc/0x730 [ 81.973978][ T4774] release_pages+0x13bc/0x16dc [ 81.974656][ T4774] __pagevec_release+0x84/0xf8 [ 81.975283][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 81.976073][ T4774] truncate_inode_pages+0x2c/0x3c [ 81.976853][ T4774] dbUnmount+0xf4/0x168 [ 81.977456][ T4774] jfs_umount+0x1c4/0x328 [ 81.978073][ T4774] jfs_put_super+0x90/0x188 [ 81.978723][ T4774] generic_shutdown_super+0x130/0x2f0 [ 81.979510][ T4774] kill_block_super+0x70/0xdc [ 81.980221][ T4774] deactivate_locked_super+0xb8/0x134 [ 81.980991][ T4774] deactivate_super+0xf0/0x110 [ 81.981648][ T4774] cleanup_mnt+0x3b8/0x46c [ 81.982277][ T4774] __cleanup_mnt+0x20/0x30 [ 81.982991][ T4774] task_work_run+0x12c/0x1d8 [ 81.983670][ T4774] do_notify_resume+0x2450/0x309c [ 81.984393][ T4774] el0_svc+0xf0/0x1d0 [ 81.984959][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 81.985668][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.103829][ T5034] loop0: detected capacity change from 0 to 32768 [ 82.190836][ T4774] BUG: Bad page state in process syz-executor pfn:12b9db [ 82.192046][ T4774] page:0000000091538390 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b9db [ 82.193634][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.205137][ T4774] raw: 05ffc00000002006 fffffc0003ae7888 ffff80001fcf75c0 0000000000000000 [ 82.206477][ T4774] raw: 0000000000000004 ffff0000c8f255d0 00000000ffffffff 0000000000000000 [ 82.207754][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.208878][ T4774] Modules linked in: [ 82.209464][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.210768][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.212230][ T4774] Call trace: [ 82.212687][ T4774] dump_backtrace+0x0/0x458 [ 82.213317][ T4774] show_stack+0x2c/0x3c [ 82.213904][ T4774] __dump_stack+0x30/0x40 [ 82.214600][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.215303][ T4774] dump_stack+0x1c/0x5c [ 82.215939][ T4774] bad_page+0x188/0x1a8 [ 82.216511][ T4774] check_free_page_bad+0xf4/0x16c [ 82.217250][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.218082][ T4774] free_unref_page_list+0xdc/0x730 [ 82.218778][ T4774] release_pages+0x13bc/0x16dc [ 82.219421][ T4774] __pagevec_release+0x84/0xf8 [ 82.220126][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.220976][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.221661][ T4774] dbUnmount+0xf4/0x168 [ 82.222288][ T4774] jfs_umount+0x1c4/0x328 [ 82.222899][ T4774] jfs_put_super+0x90/0x188 [ 82.223538][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.224302][ T4774] kill_block_super+0x70/0xdc [ 82.224951][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.225706][ T4774] deactivate_super+0xf0/0x110 [ 82.226425][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.227021][ T4774] __cleanup_mnt+0x20/0x30 [ 82.227644][ T4774] task_work_run+0x12c/0x1d8 [ 82.228365][ T4774] do_notify_resume+0x2450/0x309c [ 82.229093][ T4774] el0_svc+0xf0/0x1d0 [ 82.229692][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.230448][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.232353][ T4774] BUG: Bad page state in process syz-executor pfn:12b9e2 [ 82.233426][ T4774] page:000000004d8f5d82 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12b9e2 [ 82.235185][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.236601][ T4774] raw: 05ffc00000002006 fffffc000368ee08 ffff80001fcf75c0 0000000000000000 [ 82.237966][ T4774] raw: 0000000000000003 ffff0000c8f256c8 00000000ffffffff 0000000000000000 [ 82.239292][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.240260][ T4774] Modules linked in: [ 82.240806][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.242034][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.243563][ T4774] Call trace: [ 82.244049][ T4774] dump_backtrace+0x0/0x458 [ 82.244685][ T4774] show_stack+0x2c/0x3c [ 82.245279][ T4774] __dump_stack+0x30/0x40 [ 82.245913][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.246558][ T4774] dump_stack+0x1c/0x5c [ 82.247191][ T4774] bad_page+0x188/0x1a8 [ 82.247792][ T4774] check_free_page_bad+0xf4/0x16c [ 82.248529][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.249302][ T4774] free_unref_page_list+0xdc/0x730 [ 82.250029][ T4774] release_pages+0x13bc/0x16dc [ 82.250733][ T4774] __pagevec_release+0x84/0xf8 [ 82.251395][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.252187][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.252898][ T4774] dbUnmount+0xf4/0x168 [ 82.253488][ T4774] jfs_umount+0x1c4/0x328 [ 82.254116][ T4774] jfs_put_super+0x90/0x188 [ 82.254831][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.255603][ T4774] kill_block_super+0x70/0xdc [ 82.256233][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.257073][ T4774] deactivate_super+0xf0/0x110 [ 82.257786][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.258433][ T4774] __cleanup_mnt+0x20/0x30 [ 82.259056][ T4774] task_work_run+0x12c/0x1d8 [ 82.259728][ T4774] do_notify_resume+0x2450/0x309c [ 82.260480][ T4774] el0_svc+0xf0/0x1d0 [ 82.261134][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.261878][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.373602][ T5036] loop0: detected capacity change from 0 to 32768 [ 82.440757][ T4774] BUG: Bad page state in process syz-executor pfn:1091fa [ 82.441946][ T4774] page:0000000050c23ff6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1091fa [ 82.443541][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.445669][ T4774] raw: 05ffc00000002006 fffffc00034a0f08 ffff80001fcf75c0 0000000000000000 [ 82.447342][ T4774] raw: 0000000000000004 ffff0000e806e7c0 00000000ffffffff 0000000000000000 [ 82.448601][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.449615][ T4774] Modules linked in: [ 82.450210][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.451478][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.452972][ T4774] Call trace: [ 82.453417][ T4774] dump_backtrace+0x0/0x458 [ 82.454075][ T4774] show_stack+0x2c/0x3c [ 82.454672][ T4774] __dump_stack+0x30/0x40 [ 82.455331][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.456014][ T4774] dump_stack+0x1c/0x5c [ 82.456627][ T4774] bad_page+0x188/0x1a8 [ 82.457212][ T4774] check_free_page_bad+0xf4/0x16c [ 82.457980][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.458758][ T4774] free_unref_page_list+0xdc/0x730 [ 82.459502][ T4774] release_pages+0x13bc/0x16dc [ 82.460164][ T4774] __pagevec_release+0x84/0xf8 [ 82.460928][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.461763][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.462490][ T4774] dbUnmount+0xf4/0x168 [ 82.463132][ T4774] jfs_umount+0x1c4/0x328 [ 82.463850][ T4774] jfs_put_super+0x90/0x188 [ 82.464556][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.465298][ T4774] kill_block_super+0x70/0xdc [ 82.465949][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.466777][ T4774] deactivate_super+0xf0/0x110 [ 82.467457][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.468047][ T4774] __cleanup_mnt+0x20/0x30 [ 82.468716][ T4774] task_work_run+0x12c/0x1d8 [ 82.469416][ T4774] do_notify_resume+0x2450/0x309c [ 82.470096][ T4774] el0_svc+0xf0/0x1d0 [ 82.470698][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.471415][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.472969][ T4774] BUG: Bad page state in process syz-executor pfn:11283c [ 82.474193][ T4774] page:00000000f0f3f5d2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x11283c [ 82.476356][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.477872][ T4774] raw: 05ffc00000002006 fffffc00036428c8 ffff80001fcf75c0 0000000000000000 [ 82.479160][ T4774] raw: 0000000000000003 ffff0000e806e8b8 00000000ffffffff 0000000000000000 [ 82.480424][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.481564][ T4774] Modules linked in: [ 82.482146][ T4774] CPU: 1 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.483415][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.484790][ T4774] Call trace: [ 82.485296][ T4774] dump_backtrace+0x0/0x458 [ 82.486034][ T4774] show_stack+0x2c/0x3c [ 82.486680][ T4774] __dump_stack+0x30/0x40 [ 82.487343][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.488000][ T4774] dump_stack+0x1c/0x5c [ 82.488634][ T4774] bad_page+0x188/0x1a8 [ 82.489258][ T4774] check_free_page_bad+0xf4/0x16c [ 82.489998][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.490831][ T4774] free_unref_page_list+0xdc/0x730 [ 82.491583][ T4774] release_pages+0x13bc/0x16dc [ 82.492356][ T4774] __pagevec_release+0x84/0xf8 [ 82.493091][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.493927][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.494637][ T4774] dbUnmount+0xf4/0x168 [ 82.495253][ T4774] jfs_umount+0x1c4/0x328 [ 82.495932][ T4774] jfs_put_super+0x90/0x188 [ 82.496580][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.497344][ T4774] kill_block_super+0x70/0xdc [ 82.497991][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.498800][ T4774] deactivate_super+0xf0/0x110 [ 82.499550][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.500230][ T4774] __cleanup_mnt+0x20/0x30 [ 82.500858][ T4774] task_work_run+0x12c/0x1d8 [ 82.501565][ T4774] do_notify_resume+0x2450/0x309c [ 82.502346][ T4774] el0_svc+0xf0/0x1d0 [ 82.502939][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.503713][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.623171][ T5038] loop0: detected capacity change from 0 to 32768 [ 82.690228][ T4774] BUG: Bad page state in process syz-executor pfn:10bdb3 [ 82.691447][ T4774] page:000000002b65c6a9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10bdb3 [ 82.693103][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.694514][ T4774] raw: 05ffc00000002006 fffffc0003536208 ffff80001fcf75c0 0000000000000000 [ 82.696583][ T4774] raw: 0000000000000004 ffff0000effc29b0 00000000ffffffff 0000000000000000 [ 82.697769][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.698846][ T4774] Modules linked in: [ 82.699427][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.700631][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.701935][ T4774] Call trace: [ 82.702335][ T4774] dump_backtrace+0x0/0x458 [ 82.702975][ T4774] show_stack+0x2c/0x3c [ 82.703571][ T4774] __dump_stack+0x30/0x40 [ 82.704141][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.704774][ T4774] dump_stack+0x1c/0x5c [ 82.705377][ T4774] bad_page+0x188/0x1a8 [ 82.705975][ T4774] check_free_page_bad+0xf4/0x16c [ 82.706685][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.707458][ T4774] free_unref_page_list+0xdc/0x730 [ 82.708140][ T4774] release_pages+0x13bc/0x16dc [ 82.708877][ T4774] __pagevec_release+0x84/0xf8 [ 82.709546][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.710395][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.711115][ T4774] dbUnmount+0xf4/0x168 [ 82.711732][ T4774] jfs_umount+0x1c4/0x328 [ 82.712359][ T4774] jfs_put_super+0x90/0x188 [ 82.713036][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.713875][ T4774] kill_block_super+0x70/0xdc [ 82.714581][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.715407][ T4774] deactivate_super+0xf0/0x110 [ 82.716072][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.716727][ T4774] __cleanup_mnt+0x20/0x30 [ 82.717350][ T4774] task_work_run+0x12c/0x1d8 [ 82.717993][ T4774] do_notify_resume+0x2450/0x309c [ 82.718752][ T4774] el0_svc+0xf0/0x1d0 [ 82.719341][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.720083][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.721430][ T4774] BUG: Bad page state in process syz-executor pfn:114d88 [ 82.722448][ T4774] page:000000001b5ccd0a refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x114d88 [ 82.723829][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.725589][ T4774] raw: 05ffc00000002006 fffffc00039d5e88 ffff80001fcf75c0 0000000000000000 [ 82.726815][ T4774] raw: 0000000000000003 ffff0000effc2aa8 00000000ffffffff 0000000000000000 [ 82.728031][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.729027][ T4774] Modules linked in: [ 82.729565][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.730864][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.732225][ T4774] Call trace: [ 82.732657][ T4774] dump_backtrace+0x0/0x458 [ 82.733286][ T4774] show_stack+0x2c/0x3c [ 82.733859][ T4774] __dump_stack+0x30/0x40 [ 82.734454][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.735119][ T4774] dump_stack+0x1c/0x5c [ 82.735743][ T4774] bad_page+0x188/0x1a8 [ 82.736342][ T4774] check_free_page_bad+0xf4/0x16c [ 82.737076][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.737904][ T4774] free_unref_page_list+0xdc/0x730 [ 82.738707][ T4774] release_pages+0x13bc/0x16dc [ 82.739382][ T4774] __pagevec_release+0x84/0xf8 [ 82.740058][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.740905][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.741662][ T4774] dbUnmount+0xf4/0x168 [ 82.742263][ T4774] jfs_umount+0x1c4/0x328 [ 82.742874][ T4774] jfs_put_super+0x90/0x188 [ 82.743545][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.744332][ T4774] kill_block_super+0x70/0xdc [ 82.745006][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.745772][ T4774] deactivate_super+0xf0/0x110 [ 82.746532][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.747167][ T4774] __cleanup_mnt+0x20/0x30 [ 82.747771][ T4774] task_work_run+0x12c/0x1d8 [ 82.748418][ T4774] do_notify_resume+0x2450/0x309c [ 82.749121][ T4774] el0_svc+0xf0/0x1d0 [ 82.749699][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.750412][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.873515][ T5040] loop0: detected capacity change from 0 to 32768 [ 82.952066][ T4774] BUG: Bad page state in process syz-executor pfn:11382b [ 82.953224][ T4774] page:00000000c29e32f2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11382b [ 82.955333][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.956767][ T4774] raw: 05ffc00000002006 fffffc0003276288 ffff80001fcf75c0 0000000000000000 [ 82.957954][ T4774] raw: 0000000000000004 ffff0000effbfba0 00000000ffffffff 0000000000000000 [ 82.959319][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.960452][ T4774] Modules linked in: [ 82.961054][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.962294][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.963753][ T4774] Call trace: [ 82.964257][ T4774] dump_backtrace+0x0/0x458 [ 82.964916][ T4774] show_stack+0x2c/0x3c [ 82.965501][ T4774] __dump_stack+0x30/0x40 [ 82.966191][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.966858][ T4774] dump_stack+0x1c/0x5c [ 82.967458][ T4774] bad_page+0x188/0x1a8 [ 82.968114][ T4774] check_free_page_bad+0xf4/0x16c [ 82.968801][ T4774] free_unref_page_prepare+0x738/0xa84 [ 82.969613][ T4774] free_unref_page_list+0xdc/0x730 [ 82.970382][ T4774] release_pages+0x13bc/0x16dc [ 82.971045][ T4774] __pagevec_release+0x84/0xf8 [ 82.971677][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 82.972544][ T4774] truncate_inode_pages+0x2c/0x3c [ 82.973285][ T4774] dbUnmount+0xf4/0x168 [ 82.973883][ T4774] jfs_umount+0x1c4/0x328 [ 82.974534][ T4774] jfs_put_super+0x90/0x188 [ 82.975255][ T4774] generic_shutdown_super+0x130/0x2f0 [ 82.976112][ T4774] kill_block_super+0x70/0xdc [ 82.976784][ T4774] deactivate_locked_super+0xb8/0x134 [ 82.977529][ T4774] deactivate_super+0xf0/0x110 [ 82.978254][ T4774] cleanup_mnt+0x3b8/0x46c [ 82.978925][ T4774] __cleanup_mnt+0x20/0x30 [ 82.979584][ T4774] task_work_run+0x12c/0x1d8 [ 82.980253][ T4774] do_notify_resume+0x2450/0x309c [ 82.981043][ T4774] el0_svc+0xf0/0x1d0 [ 82.981633][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 82.982422][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 82.983323][ T4774] BUG: Bad page state in process syz-executor pfn:109d8a [ 82.984270][ T4774] page:000000003bcf914f refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x109d8a [ 82.986352][ T4774] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.987766][ T4774] raw: 05ffc00000002006 fffffc00034a28c8 ffff80001fcf75c0 0000000000000000 [ 82.989042][ T4774] raw: 0000000000000003 ffff0000effbfc98 00000000ffffffff 0000000000000000 [ 82.990267][ T4774] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.991273][ T4774] Modules linked in: [ 82.991820][ T4774] CPU: 0 PID: 4774 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.993145][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.994450][ T4774] Call trace: [ 82.994947][ T4774] dump_backtrace+0x0/0x458 [ 82.995626][ T4774] show_stack+0x2c/0x3c [ 82.996262][ T4774] __dump_stack+0x30/0x40 [ 82.996895][ T4774] dump_stack_lvl+0xf4/0x15c [ 82.997548][ T4774] dump_stack+0x1c/0x5c [ 82.998144][ T4774] bad_page+0x188/0x1a8 [ 82.998748][ T4774] check_free_page_bad+0xf4/0x16c [ 82.999522][ T4774] free_unref_page_prepare+0x738/0xa84 [ 83.000288][ T4774] free_unref_page_list+0xdc/0x730 [ 83.000975][ T4774] release_pages+0x13bc/0x16dc [ 83.001661][ T4774] __pagevec_release+0x84/0xf8 [ 83.002313][ T4774] truncate_inode_pages_range+0x2c8/0xa04 [ 83.003181][ T4774] truncate_inode_pages+0x2c/0x3c [ 83.003885][ T4774] dbUnmount+0xf4/0x168 [ 83.004449][ T4774] jfs_umount+0x1c4/0x328 [ 83.005056][ T4774] jfs_put_super+0x90/0x188 [ 83.005712][ T4774] generic_shutdown_super+0x130/0x2f0 [ 83.006497][ T4774] kill_block_super+0x70/0xdc [ 83.007185][ T4774] deactivate_locked_super+0xb8/0x134 [ 83.007952][ T4774] deactivate_super+0xf0/0x110 [ 83.008678][ T4774] cleanup_mnt+0x3b8/0x46c [ 83.009342][ T4774] __cleanup_mnt+0x20/0x30 [ 83.010018][ T4774] task_work_run+0x12c/0x1d8 [ 83.010661][ T4774] do_notify_resume+0x2450/0x309c [ 83.011415][ T4774] el0_svc+0xf0/0x1d0 [ 83.011996][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 83.012755][ T4774] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:25 executed programs: 47