Warning: Permanently added '10.128.1.196' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 parsed 1 programs [ 63.831796][ T4526] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 67.884802][ T1615] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.886034][ T1615] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.887349][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.896521][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.897734][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.899022][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.108816][ T4643] chnl_net:caif_netlink_parms(): no params data found [ 68.126204][ T4643] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.127531][ T4643] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.129095][ T4643] device bridge_slave_0 entered promiscuous mode [ 68.132429][ T4643] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.133533][ T4643] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.135076][ T4643] device bridge_slave_1 entered promiscuous mode [ 68.143442][ T4643] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.145976][ T4643] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.154132][ T4643] team0: Port device team_slave_0 added [ 68.156598][ T4643] team0: Port device team_slave_1 added [ 68.162998][ T4643] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.164178][ T4643] 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. [ 68.168292][ T4643] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.170737][ T4643] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.171830][ T4643] 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. [ 68.175617][ T4643] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.252753][ T4643] device hsr_slave_0 entered promiscuous mode [ 68.291154][ T4643] device hsr_slave_1 entered promiscuous mode [ 68.875212][ T4643] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.912158][ T4643] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.952120][ T4643] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.993422][ T4643] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.073288][ T4643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.077508][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.078916][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.084197][ T4643] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.086662][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.088300][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.089663][ T1615] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.090851][ T1615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.094095][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.103574][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.105590][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.107157][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.108397][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.109917][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.113557][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.115228][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.117776][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.119408][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.125452][ T4643] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.127257][ T4643] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.131169][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.133118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.134698][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.136144][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.138078][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.139439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.146365][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.216706][ T4643] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.222103][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.223458][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.228812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.230409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.237516][ T4643] device veth0_vlan entered promiscuous mode [ 69.240509][ T4643] device veth1_vlan entered promiscuous mode [ 69.243265][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.244816][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.246331][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.247899][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.249358][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.260071][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.261922][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.263474][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.266574][ T4643] device veth0_macvtap entered promiscuous mode [ 69.269087][ T4643] device veth1_macvtap entered promiscuous mode [ 69.275029][ T4643] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.277365][ T4643] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.279710][ T4643] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.281448][ T4643] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.282858][ T4643] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.284242][ T4643] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.286359][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.288052][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.289486][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.292511][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.294218][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.295777][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.629134][ T3339] cfg80211: failed to load regulatory.db [ 69.632949][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.634068][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:01:09 executed programs: 0 [ 70.045681][ T4846] chnl_net:caif_netlink_parms(): no params data found [ 70.103362][ T4846] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.104674][ T4846] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.111554][ T4846] device bridge_slave_0 entered promiscuous mode [ 70.113989][ T4846] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.115157][ T4846] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.121573][ T4846] device bridge_slave_1 entered promiscuous mode [ 70.136203][ T4846] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.142384][ T4846] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.159399][ T4846] team0: Port device team_slave_0 added [ 70.162163][ T4846] team0: Port device team_slave_1 added [ 70.190148][ T4846] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.192070][ T4846] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.196092][ T4846] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.211535][ T4846] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.212756][ T4846] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.216888][ T4846] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.273058][ T4846] device hsr_slave_0 entered promiscuous mode [ 70.311370][ T4846] device hsr_slave_1 entered promiscuous mode [ 70.331351][ T4846] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.332544][ T4846] Cannot create hsr debugfs directory [ 70.363095][ T4846] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.021235][ T3339] Bluetooth: hci0: command 0x0409 tx timeout [ 72.964214][ T4846] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.101223][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 75.294378][ T4846] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.405470][ T4846] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.563840][ T4846] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.612091][ T4846] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.642330][ T4846] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.692464][ T4846] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.782305][ T4846] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.786183][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.787647][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.790339][ T4846] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.793269][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.794867][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.796356][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.797569][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.799045][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.802461][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.804018][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.805494][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.806672][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.809303][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.814197][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.817287][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.819271][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.820860][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.824808][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.826488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.829111][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.830616][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.834596][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.836183][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.838761][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.878425][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.879656][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.884204][ T4846] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.891540][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.893365][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.899462][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.902467][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.904020][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.905909][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.917812][ T4846] device veth0_vlan entered promiscuous mode [ 75.922104][ T4846] device veth1_vlan entered promiscuous mode [ 75.928875][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.930471][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.932749][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.934577][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.937287][ T4846] device veth0_macvtap entered promiscuous mode [ 75.939753][ T4846] device veth1_macvtap entered promiscuous mode [ 75.948379][ T4846] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.950117][ T4846] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.952360][ T4846] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.954528][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.956127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.957561][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.959079][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.961273][ T4846] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.963084][ T4846] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.965297][ T4846] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.966455][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.968156][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.971303][ T4846] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.972819][ T4846] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.974326][ T4846] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.975889][ T4846] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.996140][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.998596][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.003667][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.007018][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.008267][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.009542][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:16 executed programs: 2 [ 76.129595][ T5037] loop0: detected capacity change from 0 to 32768 [ 76.181029][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 76.181916][ T5037] ======================================================= [ 76.181916][ T5037] WARNING: The mand mount option has been deprecated and [ 76.181916][ T5037] and is ignored by this kernel. Remove the mand [ 76.181916][ T5037] option from the mount to silence this warning. [ 76.181916][ T5037] ======================================================= [ 76.195088][ T5037] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.195088][ T5037] [ 76.196442][ T5037] attempt to access beyond end of device [ 76.196442][ T5037] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.198216][ T5037] JFS: sb_issue_discard(00000000427a5bdf, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.199706][ T5037] blkno = 8000000000400, nblocks = 400 [ 76.200507][ T5037] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.200507][ T5037] [ 76.205336][ T4846] BUG: Bad page state in process syz-executor pfn:1198c3 [ 76.206464][ T4846] page:0000000037c79626 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1198c3 [ 76.208163][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.209718][ T4846] raw: 05ffc00000002006 fffffc000327c308 ffff80001f5175c0 0000000000000000 [ 76.212702][ T4846] raw: 0000000000000004 ffff0000e918a9b0 00000000ffffffff 0000000000000000 [ 76.214216][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.215477][ T4846] Modules linked in: [ 76.216132][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Not tainted syzkaller #0 [ 76.217388][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.219084][ T4846] Call trace: [ 76.219616][ T4846] dump_backtrace+0x0/0x458 [ 76.220275][ T4846] show_stack+0x2c/0x3c [ 76.220942][ T4846] __dump_stack+0x30/0x40 [ 76.221666][ T4846] dump_stack_lvl+0xf4/0x15c [ 76.222442][ T4846] dump_stack+0x1c/0x5c [ 76.223132][ T4846] bad_page+0x188/0x1a8 [ 76.223868][ T4846] check_free_page_bad+0xf4/0x16c [ 76.224698][ T4846] free_unref_page_prepare+0x738/0xa84 [ 76.225648][ T4846] free_unref_page_list+0xdc/0x730 [ 76.226480][ T4846] release_pages+0x13bc/0x16dc [ 76.227274][ T4846] __pagevec_release+0x84/0xf8 [ 76.228112][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 76.229063][ T4846] truncate_inode_pages+0x2c/0x3c [ 76.229901][ T4846] dbUnmount+0xf4/0x168 [ 76.230578][ T4846] jfs_umount+0x1c4/0x328 [ 76.231281][ T4846] jfs_put_super+0x90/0x188 [ 76.232035][ T4846] generic_shutdown_super+0x130/0x2f0 [ 76.232967][ T4846] kill_block_super+0x70/0xdc [ 76.233761][ T4846] deactivate_locked_super+0xb8/0x134 [ 76.234614][ T4846] deactivate_super+0xf0/0x110 [ 76.235439][ T4846] cleanup_mnt+0x3b8/0x46c [ 76.236133][ T4846] __cleanup_mnt+0x20/0x30 [ 76.236844][ T4846] task_work_run+0x12c/0x1d8 [ 76.237619][ T4846] do_notify_resume+0x2450/0x309c [ 76.238491][ T4846] el0_svc+0xf0/0x1d0 [ 76.239157][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 76.239969][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 76.242066][ T4846] Disabling lock debugging due to kernel taint [ 76.393244][ T5039] loop0: detected capacity change from 0 to 32768 [ 76.460973][ T5039] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.460973][ T5039] [ 76.462491][ T5039] attempt to access beyond end of device [ 76.462491][ T5039] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.464549][ T5039] JFS: sb_issue_discard(000000005f64a327, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.466257][ T5039] blkno = 8000000000400, nblocks = 400 [ 76.467149][ T5039] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.467149][ T5039] [ 76.470836][ T4846] BUG: Bad page state in process syz-executor pfn:10d87a [ 76.472337][ T4846] page:000000000f48e639 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d87a [ 76.473913][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.475529][ T4846] raw: 05ffc00000002006 fffffc00033f20c8 ffff80001f5175c0 0000000000000000 [ 76.476935][ T4846] raw: 0000000000000004 ffff0000d765b9b0 00000000ffffffff 0000000000000000 [ 76.478270][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.479466][ T4846] Modules linked in: [ 76.480112][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.481617][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.483345][ T4846] Call trace: [ 76.483912][ T4846] dump_backtrace+0x0/0x458 [ 76.484635][ T4846] show_stack+0x2c/0x3c [ 76.485309][ T4846] __dump_stack+0x30/0x40 [ 76.486019][ T4846] dump_stack_lvl+0xf4/0x15c [ 76.486790][ T4846] dump_stack+0x1c/0x5c [ 76.487440][ T4846] bad_page+0x188/0x1a8 [ 76.488103][ T4846] check_free_page_bad+0xf4/0x16c [ 76.488931][ T4846] free_unref_page_prepare+0x738/0xa84 [ 76.489855][ T4846] free_unref_page_list+0xdc/0x730 [ 76.490651][ T4846] release_pages+0x13bc/0x16dc [ 76.491450][ T4846] __pagevec_release+0x84/0xf8 [ 76.492249][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 76.493122][ T4846] truncate_inode_pages+0x2c/0x3c [ 76.493958][ T4846] dbUnmount+0xf4/0x168 [ 76.494656][ T4846] jfs_umount+0x1c4/0x328 [ 76.495296][ T4846] jfs_put_super+0x90/0x188 [ 76.496027][ T4846] generic_shutdown_super+0x130/0x2f0 [ 76.496923][ T4846] kill_block_super+0x70/0xdc [ 76.497711][ T4846] deactivate_locked_super+0xb8/0x134 [ 76.498633][ T4846] deactivate_super+0xf0/0x110 [ 76.499447][ T4846] cleanup_mnt+0x3b8/0x46c [ 76.500203][ T4846] __cleanup_mnt+0x20/0x30 [ 76.500945][ T4846] task_work_run+0x12c/0x1d8 [ 76.501714][ T4846] do_notify_resume+0x2450/0x309c [ 76.502506][ T4846] el0_svc+0xf0/0x1d0 [ 76.503137][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 76.503893][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 76.637169][ T5041] loop0: detected capacity change from 0 to 32768 [ 76.672614][ T5041] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.672614][ T5041] [ 76.674011][ T5041] attempt to access beyond end of device [ 76.674011][ T5041] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.676061][ T5041] JFS: sb_issue_discard(0000000018f83791, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.677838][ T5041] blkno = 8000000000400, nblocks = 400 [ 76.678737][ T5041] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.678737][ T5041] [ 76.683538][ T4846] BUG: Bad page state in process syz-executor pfn:111c1d [ 76.685080][ T4846] page:00000000b77d4074 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111c1d [ 76.686687][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.688277][ T4846] raw: 05ffc00000002006 fffffc000320be88 ffff80001f5175c0 0000000000000000 [ 76.689647][ T4846] raw: 0000000000000004 ffff0000c7d124d8 00000000ffffffff 0000000000000000 [ 76.691385][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.692542][ T4846] Modules linked in: [ 76.693204][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.694641][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.696356][ T4846] Call trace: [ 76.696835][ T4846] dump_backtrace+0x0/0x458 [ 76.697584][ T4846] show_stack+0x2c/0x3c [ 76.698186][ T4846] __dump_stack+0x30/0x40 [ 76.699348][ T4846] dump_stack_lvl+0xf4/0x15c [ 76.700185][ T4846] dump_stack+0x1c/0x5c [ 76.700934][ T4846] bad_page+0x188/0x1a8 [ 76.701625][ T4846] check_free_page_bad+0xf4/0x16c [ 76.702429][ T4846] free_unref_page_prepare+0x738/0xa84 [ 76.703388][ T4846] free_unref_page_list+0xdc/0x730 [ 76.704264][ T4846] release_pages+0x13bc/0x16dc [ 76.705037][ T4846] __pagevec_release+0x84/0xf8 [ 76.705821][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 76.706790][ T4846] truncate_inode_pages+0x2c/0x3c [ 76.707601][ T4846] dbUnmount+0xf4/0x168 [ 76.708257][ T4846] jfs_umount+0x1c4/0x328 [ 76.708968][ T4846] jfs_put_super+0x90/0x188 [ 76.709723][ T4846] generic_shutdown_super+0x130/0x2f0 [ 76.710625][ T4846] kill_block_super+0x70/0xdc [ 76.711423][ T4846] deactivate_locked_super+0xb8/0x134 [ 76.712299][ T4846] deactivate_super+0xf0/0x110 [ 76.713078][ T4846] cleanup_mnt+0x3b8/0x46c [ 76.713774][ T4846] __cleanup_mnt+0x20/0x30 [ 76.714483][ T4846] task_work_run+0x12c/0x1d8 [ 76.715227][ T4846] do_notify_resume+0x2450/0x309c [ 76.716063][ T4846] el0_svc+0xf0/0x1d0 [ 76.716725][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 76.717557][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 76.829561][ T5043] loop0: detected capacity change from 0 to 32768 [ 76.864595][ T5043] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.864595][ T5043] [ 76.866008][ T5043] attempt to access beyond end of device [ 76.866008][ T5043] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.868136][ T5043] JFS: sb_issue_discard(00000000cae91b9a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.869855][ T5043] blkno = 8000000000400, nblocks = 400 [ 76.870703][ T5043] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.870703][ T5043] [ 76.875036][ T4846] BUG: Bad page state in process syz-executor pfn:1139cb [ 76.876263][ T4846] page:00000000f941f993 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1139cb [ 76.878032][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.879579][ T4846] raw: 05ffc00000002006 fffffc0003253908 ffff80001f5175c0 0000000000000000 [ 76.881954][ T4846] raw: 0000000000000004 ffff0000e854f000 00000000ffffffff 0000000000000000 [ 76.883358][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.884708][ T4846] Modules linked in: [ 76.885362][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.886864][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.888628][ T4846] Call trace: [ 76.889157][ T4846] dump_backtrace+0x0/0x458 [ 76.889848][ T4846] show_stack+0x2c/0x3c [ 76.890510][ T4846] __dump_stack+0x30/0x40 [ 76.891233][ T4846] dump_stack_lvl+0xf4/0x15c [ 76.892024][ T4846] dump_stack+0x1c/0x5c [ 76.892702][ T4846] bad_page+0x188/0x1a8 [ 76.893401][ T4846] check_free_page_bad+0xf4/0x16c [ 76.894191][ T4846] free_unref_page_prepare+0x738/0xa84 [ 76.895056][ T4846] free_unref_page_list+0xdc/0x730 [ 76.895895][ T4846] release_pages+0x13bc/0x16dc [ 76.896655][ T4846] __pagevec_release+0x84/0xf8 [ 76.897441][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 76.898383][ T4846] truncate_inode_pages+0x2c/0x3c [ 76.899198][ T4846] dbUnmount+0xf4/0x168 [ 76.899851][ T4846] jfs_umount+0x1c4/0x328 [ 76.900568][ T4846] jfs_put_super+0x90/0x188 [ 76.901280][ T4846] generic_shutdown_super+0x130/0x2f0 [ 76.902201][ T4846] kill_block_super+0x70/0xdc [ 76.902999][ T4846] deactivate_locked_super+0xb8/0x134 [ 76.903961][ T4846] deactivate_super+0xf0/0x110 [ 76.904771][ T4846] cleanup_mnt+0x3b8/0x46c [ 76.905494][ T4846] __cleanup_mnt+0x20/0x30 [ 76.906209][ T4846] task_work_run+0x12c/0x1d8 [ 76.906987][ T4846] do_notify_resume+0x2450/0x309c [ 76.907796][ T4846] el0_svc+0xf0/0x1d0 [ 76.908446][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 76.909264][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 77.058654][ T5045] loop0: detected capacity change from 0 to 32768 [ 77.103985][ T5045] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.103985][ T5045] [ 77.105451][ T5045] attempt to access beyond end of device [ 77.105451][ T5045] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.107531][ T5045] JFS: sb_issue_discard(000000004afe98be, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.109409][ T5045] blkno = 8000000000400, nblocks = 400 [ 77.110297][ T5045] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.110297][ T5045] [ 77.113998][ T4846] BUG: Bad page state in process syz-executor pfn:116745 [ 77.115240][ T4846] page:000000007da3d7a4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x116745 [ 77.116991][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.118608][ T4846] raw: 05ffc00000002006 fffffc00033799c8 ffff80001f5175c0 0000000000000000 [ 77.120174][ T4846] raw: 0000000000000004 ffff0000cbd714d8 00000000ffffffff 0000000000000000 [ 77.121737][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.122858][ T4846] Modules linked in: [ 77.123526][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.125087][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.126759][ T4846] Call trace: [ 77.127259][ T4846] dump_backtrace+0x0/0x458 [ 77.128006][ T4846] show_stack+0x2c/0x3c [ 77.128690][ T4846] __dump_stack+0x30/0x40 [ 77.129385][ T4846] dump_stack_lvl+0xf4/0x15c [ 77.130128][ T4846] dump_stack+0x1c/0x5c [ 77.130832][ T4846] bad_page+0x188/0x1a8 [ 77.131499][ T4846] check_free_page_bad+0xf4/0x16c [ 77.132303][ T4846] free_unref_page_prepare+0x738/0xa84 [ 77.133180][ T4846] free_unref_page_list+0xdc/0x730 [ 77.134064][ T4846] release_pages+0x13bc/0x16dc [ 77.134851][ T4846] __pagevec_release+0x84/0xf8 [ 77.135634][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 77.136633][ T4846] truncate_inode_pages+0x2c/0x3c [ 77.137461][ T4846] dbUnmount+0xf4/0x168 [ 77.138192][ T4846] jfs_umount+0x1c4/0x328 [ 77.138898][ T4846] jfs_put_super+0x90/0x188 [ 77.139703][ T4846] generic_shutdown_super+0x130/0x2f0 [ 77.140602][ T4846] kill_block_super+0x70/0xdc [ 77.141389][ T4846] deactivate_locked_super+0xb8/0x134 [ 77.142299][ T4846] deactivate_super+0xf0/0x110 [ 77.143032][ T4846] cleanup_mnt+0x3b8/0x46c [ 77.143729][ T4846] __cleanup_mnt+0x20/0x30 [ 77.144431][ T4846] task_work_run+0x12c/0x1d8 [ 77.145207][ T4846] do_notify_resume+0x2450/0x309c [ 77.146039][ T4846] el0_svc+0xf0/0x1d0 [ 77.146702][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 77.147518][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 77.257735][ T5047] loop0: detected capacity change from 0 to 32768 [ 77.294654][ T5047] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.294654][ T5047] [ 77.295971][ T5047] attempt to access beyond end of device [ 77.295971][ T5047] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.298132][ T5047] JFS: sb_issue_discard(000000005e5f9cd5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.299897][ T5047] blkno = 8000000000400, nblocks = 400 [ 77.300809][ T5047] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.300809][ T5047] [ 77.306982][ T4846] BUG: Bad page state in process syz-executor pfn:1088ba [ 77.308187][ T4846] page:00000000210d6bf7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1088ba [ 77.309757][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.311729][ T4846] raw: 05ffc00000002006 fffffc00035b7888 ffff80001f5175c0 0000000000000000 [ 77.313083][ T4846] raw: 0000000000000004 ffff0000e854faa8 00000000ffffffff 0000000000000000 [ 77.314462][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.315686][ T4846] Modules linked in: [ 77.316345][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.317831][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.319511][ T4846] Call trace: [ 77.320011][ T4846] dump_backtrace+0x0/0x458 [ 77.320732][ T4846] show_stack+0x2c/0x3c [ 77.321371][ T4846] __dump_stack+0x30/0x40 [ 77.322105][ T4846] dump_stack_lvl+0xf4/0x15c [ 77.322901][ T4846] dump_stack+0x1c/0x5c [ 77.323587][ T4846] bad_page+0x188/0x1a8 [ 77.324310][ T4846] check_free_page_bad+0xf4/0x16c [ 77.325176][ T4846] free_unref_page_prepare+0x738/0xa84 [ 77.326011][ T4846] free_unref_page_list+0xdc/0x730 [ 77.326872][ T4846] release_pages+0x13bc/0x16dc [ 77.327661][ T4846] __pagevec_release+0x84/0xf8 [ 77.328468][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 77.329424][ T4846] truncate_inode_pages+0x2c/0x3c [ 77.330285][ T4846] dbUnmount+0xf4/0x168 [ 77.330990][ T4846] jfs_umount+0x1c4/0x328 [ 77.331739][ T4846] jfs_put_super+0x90/0x188 [ 77.332506][ T4846] generic_shutdown_super+0x130/0x2f0 [ 77.333397][ T4846] kill_block_super+0x70/0xdc [ 77.334172][ T4846] deactivate_locked_super+0xb8/0x134 [ 77.335005][ T4846] deactivate_super+0xf0/0x110 [ 77.335771][ T4846] cleanup_mnt+0x3b8/0x46c [ 77.336512][ T4846] __cleanup_mnt+0x20/0x30 [ 77.337282][ T4846] task_work_run+0x12c/0x1d8 [ 77.338046][ T4846] do_notify_resume+0x2450/0x309c [ 77.338924][ T4846] el0_svc+0xf0/0x1d0 [ 77.339613][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 77.340462][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 77.478587][ T5049] loop0: detected capacity change from 0 to 32768 [ 77.522447][ T5049] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.522447][ T5049] [ 77.523764][ T5049] attempt to access beyond end of device [ 77.523764][ T5049] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.525823][ T5049] JFS: sb_issue_discard(00000000daf95499, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.527681][ T5049] blkno = 8000000000400, nblocks = 400 [ 77.528682][ T5049] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.528682][ T5049] [ 77.533324][ T4846] BUG: Bad page state in process syz-executor pfn:117662 [ 77.534558][ T4846] page:00000000509e7fe9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x117662 [ 77.536416][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.538179][ T4846] raw: 05ffc00000002006 fffffc00032844c8 ffff80001f5175c0 0000000000000000 [ 77.539510][ T4846] raw: 0000000000000004 ffff0000dc8c2000 00000000ffffffff 0000000000000000 [ 77.541423][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.542634][ T4846] Modules linked in: [ 77.543287][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.544788][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.546440][ T4846] Call trace: [ 77.546942][ T4846] dump_backtrace+0x0/0x458 [ 77.547693][ T4846] show_stack+0x2c/0x3c [ 77.548358][ T4846] __dump_stack+0x30/0x40 [ 77.549014][ T4846] dump_stack_lvl+0xf4/0x15c [ 77.549731][ T4846] dump_stack+0x1c/0x5c [ 77.550400][ T4846] bad_page+0x188/0x1a8 [ 77.551097][ T4846] check_free_page_bad+0xf4/0x16c [ 77.551928][ T4846] free_unref_page_prepare+0x738/0xa84 [ 77.552838][ T4846] free_unref_page_list+0xdc/0x730 [ 77.553655][ T4846] release_pages+0x13bc/0x16dc [ 77.554446][ T4846] __pagevec_release+0x84/0xf8 [ 77.555224][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 77.556163][ T4846] truncate_inode_pages+0x2c/0x3c [ 77.557044][ T4846] dbUnmount+0xf4/0x168 [ 77.557698][ T4846] jfs_umount+0x1c4/0x328 [ 77.558437][ T4846] jfs_put_super+0x90/0x188 [ 77.559171][ T4846] generic_shutdown_super+0x130/0x2f0 [ 77.560042][ T4846] kill_block_super+0x70/0xdc [ 77.560809][ T4846] deactivate_locked_super+0xb8/0x134 [ 77.561654][ T4846] deactivate_super+0xf0/0x110 [ 77.562374][ T4846] cleanup_mnt+0x3b8/0x46c [ 77.563104][ T4846] __cleanup_mnt+0x20/0x30 [ 77.563834][ T4846] task_work_run+0x12c/0x1d8 [ 77.564636][ T4846] do_notify_resume+0x2450/0x309c [ 77.565479][ T4846] el0_svc+0xf0/0x1d0 [ 77.566123][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 77.567005][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 77.643759][ T344] device hsr_slave_0 left promiscuous mode [ 77.645238][ T5051] loop0: detected capacity change from 0 to 32768 [ 77.681898][ T344] device hsr_slave_1 left promiscuous mode [ 77.686429][ T5051] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.686429][ T5051] [ 77.687797][ T5051] attempt to access beyond end of device [ 77.687797][ T5051] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.689752][ T5051] JFS: sb_issue_discard(00000000af2732dd, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.691588][ T5051] blkno = 8000000000400, nblocks = 400 [ 77.692478][ T5051] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.692478][ T5051] [ 77.696056][ T4846] BUG: Bad page state in process syz-executor pfn:128720 [ 77.697314][ T4846] page:00000000b2be1a83 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x128720 [ 77.698984][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.700508][ T4846] raw: 05ffc00000002006 fffffc0003a41d48 ffff80001f5175c0 0000000000000000 [ 77.702455][ T4846] raw: 0000000000000004 ffff0000d54395d0 00000000ffffffff 0000000000000000 [ 77.703883][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.705049][ T4846] Modules linked in: [ 77.705687][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.707095][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.708806][ T4846] Call trace: [ 77.709327][ T4846] dump_backtrace+0x0/0x458 [ 77.710064][ T4846] show_stack+0x2c/0x3c [ 77.710724][ T4846] __dump_stack+0x30/0x40 [ 77.711424][ T4846] dump_stack_lvl+0xf4/0x15c [ 77.712232][ T4846] dump_stack+0x1c/0x5c [ 77.712924][ T4846] bad_page+0x188/0x1a8 [ 77.713584][ T4846] check_free_page_bad+0xf4/0x16c [ 77.714444][ T4846] free_unref_page_prepare+0x738/0xa84 [ 77.715407][ T4846] free_unref_page_list+0xdc/0x730 [ 77.716214][ T4846] release_pages+0x13bc/0x16dc [ 77.717031][ T4846] __pagevec_release+0x84/0xf8 [ 77.717810][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 77.718739][ T4846] truncate_inode_pages+0x2c/0x3c [ 77.719660][ T4846] dbUnmount+0xf4/0x168 [ 77.720346][ T4846] jfs_umount+0x1c4/0x328 [ 77.721062][ T4846] jfs_put_super+0x90/0x188 [ 77.721812][ T4846] generic_shutdown_super+0x130/0x2f0 [ 77.722717][ T4846] kill_block_super+0x70/0xdc [ 77.723501][ T4846] deactivate_locked_super+0xb8/0x134 [ 77.724335][ T4846] deactivate_super+0xf0/0x110 [ 77.725099][ T4846] cleanup_mnt+0x3b8/0x46c [ 77.725841][ T4846] __cleanup_mnt+0x20/0x30 [ 77.726584][ T4846] task_work_run+0x12c/0x1d8 [ 77.727300][ T4846] do_notify_resume+0x2450/0x309c [ 77.728125][ T4846] el0_svc+0xf0/0x1d0 [ 77.728771][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 77.729565][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 77.770959][ T344] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.772191][ T344] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.773713][ T344] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.774943][ T344] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.776346][ T344] device bridge_slave_1 left promiscuous mode [ 77.777380][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.801530][ T344] device bridge_slave_0 left promiscuous mode [ 77.802621][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.840209][ T5053] loop0: detected capacity change from 0 to 32768 [ 77.883702][ T5053] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.883702][ T5053] [ 77.885124][ T5053] attempt to access beyond end of device [ 77.885124][ T5053] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.887024][ T5053] JFS: sb_issue_discard(000000003ded763e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.888768][ T5053] blkno = 8000000000400, nblocks = 400 [ 77.889587][ T5053] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.889587][ T5053] [ 77.893149][ T4846] BUG: Bad page state in process syz-executor pfn:11251a [ 77.894342][ T4846] page:00000000793d70f3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11251a [ 77.896022][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.897641][ T4846] raw: 05ffc00000002006 fffffc0003a3f708 ffff80001f5175c0 0000000000000000 [ 77.898961][ T4846] raw: 0000000000000004 ffff0000e85840f8 00000000ffffffff 0000000000000000 [ 77.900452][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.903031][ T4846] Modules linked in: [ 77.903674][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.905154][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.906744][ T4846] Call trace: [ 77.907298][ T4846] dump_backtrace+0x0/0x458 [ 77.908097][ T4846] show_stack+0x2c/0x3c [ 77.908738][ T4846] __dump_stack+0x30/0x40 [ 77.909507][ T4846] dump_stack_lvl+0xf4/0x15c [ 77.910307][ T4846] dump_stack+0x1c/0x5c [ 77.910975][ T4846] bad_page+0x188/0x1a8 [ 77.911602][ T4846] check_free_page_bad+0xf4/0x16c [ 77.912436][ T4846] free_unref_page_prepare+0x738/0xa84 [ 77.913350][ T4846] free_unref_page_list+0xdc/0x730 [ 77.914205][ T4846] release_pages+0x13bc/0x16dc [ 77.914997][ T4846] __pagevec_release+0x84/0xf8 [ 77.915821][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 77.916829][ T4846] truncate_inode_pages+0x2c/0x3c [ 77.917599][ T4846] dbUnmount+0xf4/0x168 [ 77.918260][ T4846] jfs_umount+0x1c4/0x328 [ 77.918954][ T4846] jfs_put_super+0x90/0x188 [ 77.919687][ T4846] generic_shutdown_super+0x130/0x2f0 [ 77.920578][ T4846] kill_block_super+0x70/0xdc [ 77.921378][ T4846] deactivate_locked_super+0xb8/0x134 [ 77.922278][ T4846] deactivate_super+0xf0/0x110 [ 77.923101][ T4846] cleanup_mnt+0x3b8/0x46c [ 77.923851][ T4846] __cleanup_mnt+0x20/0x30 [ 77.924588][ T4846] task_work_run+0x12c/0x1d8 [ 77.925313][ T4846] do_notify_resume+0x2450/0x309c [ 77.926125][ T4846] el0_svc+0xf0/0x1d0 [ 77.926808][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 77.927708][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 77.951034][ T344] device veth1_macvtap left promiscuous mode [ 77.952030][ T344] device veth0_macvtap left promiscuous mode [ 77.953046][ T344] device veth1_vlan left promiscuous mode [ 77.954042][ T344] device veth0_vlan left promiscuous mode [ 78.026794][ T344] team0 (unregistering): Port device team_slave_1 removed [ 78.030763][ T344] team0 (unregistering): Port device team_slave_0 removed [ 78.035527][ T344] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.059295][ T5055] loop0: detected capacity change from 0 to 32768 [ 78.073857][ T344] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.135717][ T5055] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.135717][ T5055] [ 78.137134][ T5055] attempt to access beyond end of device [ 78.137134][ T5055] loop0: rw=2051, want=18014398509498368, limit=32768 [ 78.139096][ T5055] JFS: sb_issue_discard(00000000c9176fab, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.140651][ T5055] blkno = 8000000000400, nblocks = 400 [ 78.141990][ T5055] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.141990][ T5055] [ 78.145636][ T4846] BUG: Bad page state in process syz-executor pfn:107f60 [ 78.146800][ T4846] page:00000000384aed80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107f60 [ 78.148602][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.150260][ T4846] raw: 05ffc00000002006 fffffc00034381c8 ffff80001f5175c0 0000000000000000 [ 78.152402][ T4846] raw: 0000000000000004 ffff0000e85843e0 00000000ffffffff 0000000000000000 [ 78.153748][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.155020][ T4846] Modules linked in: [ 78.155715][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.157194][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.158819][ T4846] Call trace: [ 78.159305][ T4846] dump_backtrace+0x0/0x458 [ 78.160026][ T4846] show_stack+0x2c/0x3c [ 78.160747][ T4846] __dump_stack+0x30/0x40 [ 78.161468][ T4846] dump_stack_lvl+0xf4/0x15c [ 78.162257][ T4846] dump_stack+0x1c/0x5c [ 78.162991][ T4846] bad_page+0x188/0x1a8 [ 78.163683][ T4846] check_free_page_bad+0xf4/0x16c [ 78.163743][ T344] bond0 (unregistering): Released all slaves [ 78.164466][ T4846] free_unref_page_prepare+0x738/0xa84 [ 78.166323][ T4846] free_unref_page_list+0xdc/0x730 [ 78.167180][ T4846] release_pages+0x13bc/0x16dc [ 78.168025][ T4846] __pagevec_release+0x84/0xf8 [ 78.168895][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 78.169853][ T4846] truncate_inode_pages+0x2c/0x3c [ 78.170722][ T4846] dbUnmount+0xf4/0x168 [ 78.171424][ T4846] jfs_umount+0x1c4/0x328 [ 78.172178][ T4846] jfs_put_super+0x90/0x188 [ 78.172910][ T4846] generic_shutdown_super+0x130/0x2f0 [ 78.173792][ T4846] kill_block_super+0x70/0xdc [ 78.174564][ T4846] deactivate_locked_super+0xb8/0x134 [ 78.175455][ T4846] deactivate_super+0xf0/0x110 [ 78.176210][ T4846] cleanup_mnt+0x3b8/0x46c [ 78.176884][ T4846] __cleanup_mnt+0x20/0x30 [ 78.177561][ T4846] task_work_run+0x12c/0x1d8 [ 78.178273][ T4846] do_notify_resume+0x2450/0x309c [ 78.179004][ T4846] el0_svc+0xf0/0x1d0 [ 78.179572][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 78.180318][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 78.261184][ T7] Bluetooth: hci0: command 0x0419 tx timeout [ 78.354594][ T5057] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.354594][ T5057] [ 78.356008][ T5057] JFS: sb_issue_discard(00000000f68184f1, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.358024][ T5057] blkno = 8000000000400, nblocks = 400 [ 78.358953][ T5057] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.358953][ T5057] [ 78.362588][ T4846] BUG: Bad page state in process syz-executor pfn:111a80 [ 78.363786][ T4846] page:0000000028ab4d40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111a80 [ 78.365505][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.367174][ T4846] raw: 05ffc00000002006 fffffc0003a331c8 ffff80001f5175c0 0000000000000000 [ 78.368593][ T4846] raw: 0000000000000004 ffff0000d1d8c2e8 00000000ffffffff 0000000000000000 [ 78.369973][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.371306][ T4846] Modules linked in: [ 78.371867][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.373269][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.374871][ T4846] Call trace: [ 78.375385][ T4846] dump_backtrace+0x0/0x458 [ 78.376105][ T4846] show_stack+0x2c/0x3c [ 78.376830][ T4846] __dump_stack+0x30/0x40 [ 78.377568][ T4846] dump_stack_lvl+0xf4/0x15c [ 78.378307][ T4846] dump_stack+0x1c/0x5c [ 78.378992][ T4846] bad_page+0x188/0x1a8 [ 78.379659][ T4846] check_free_page_bad+0xf4/0x16c [ 78.380428][ T4846] free_unref_page_prepare+0x738/0xa84 [ 78.381308][ T4846] free_unref_page_list+0xdc/0x730 [ 78.382114][ T4846] release_pages+0x13bc/0x16dc [ 78.382893][ T4846] __pagevec_release+0x84/0xf8 [ 78.383572][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 78.384402][ T4846] truncate_inode_pages+0x2c/0x3c [ 78.385147][ T4846] dbUnmount+0xf4/0x168 [ 78.385783][ T4846] jfs_umount+0x1c4/0x328 [ 78.386498][ T4846] jfs_put_super+0x90/0x188 [ 78.387285][ T4846] generic_shutdown_super+0x130/0x2f0 [ 78.388200][ T4846] kill_block_super+0x70/0xdc [ 78.388984][ T4846] deactivate_locked_super+0xb8/0x134 [ 78.389832][ T4846] deactivate_super+0xf0/0x110 [ 78.390617][ T4846] cleanup_mnt+0x3b8/0x46c [ 78.391347][ T4846] __cleanup_mnt+0x20/0x30 [ 78.392043][ T4846] task_work_run+0x12c/0x1d8 [ 78.392766][ T4846] do_notify_resume+0x2450/0x309c [ 78.393647][ T4846] el0_svc+0xf0/0x1d0 [ 78.394280][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 78.395090][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 78.596606][ T5059] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.596606][ T5059] [ 78.597961][ T5059] JFS: sb_issue_discard(00000000cbb595d8, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.599580][ T5059] blkno = 8000000000400, nblocks = 400 [ 78.600508][ T5059] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.600508][ T5059] [ 78.603955][ T4846] BUG: Bad page state in process syz-executor pfn:10ec73 [ 78.605166][ T4846] page:000000006cf41ab3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ec73 [ 78.606932][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.608647][ T4846] raw: 05ffc00000002006 fffffc0003065948 ffff80001f5175c0 0000000000000000 [ 78.609959][ T4846] raw: 0000000000000004 ffff0000d1d8cd90 00000000ffffffff 0000000000000000 [ 78.612649][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.613711][ T4846] Modules linked in: [ 78.614352][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.615892][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.617557][ T4846] Call trace: [ 78.618104][ T4846] dump_backtrace+0x0/0x458 [ 78.618859][ T4846] show_stack+0x2c/0x3c [ 78.619565][ T4846] __dump_stack+0x30/0x40 [ 78.620315][ T4846] dump_stack_lvl+0xf4/0x15c [ 78.621047][ T4846] dump_stack+0x1c/0x5c [ 78.621741][ T4846] bad_page+0x188/0x1a8 [ 78.622422][ T4846] check_free_page_bad+0xf4/0x16c [ 78.623221][ T4846] free_unref_page_prepare+0x738/0xa84 [ 78.624180][ T4846] free_unref_page_list+0xdc/0x730 [ 78.625024][ T4846] release_pages+0x13bc/0x16dc [ 78.625818][ T4846] __pagevec_release+0x84/0xf8 [ 78.626599][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 78.627498][ T4846] truncate_inode_pages+0x2c/0x3c [ 78.628302][ T4846] dbUnmount+0xf4/0x168 [ 78.629005][ T4846] jfs_umount+0x1c4/0x328 [ 78.629744][ T4846] jfs_put_super+0x90/0x188 [ 78.630481][ T4846] generic_shutdown_super+0x130/0x2f0 [ 78.631376][ T4846] kill_block_super+0x70/0xdc [ 78.632126][ T4846] deactivate_locked_super+0xb8/0x134 [ 78.632980][ T4846] deactivate_super+0xf0/0x110 [ 78.633797][ T4846] cleanup_mnt+0x3b8/0x46c [ 78.634535][ T4846] __cleanup_mnt+0x20/0x30 [ 78.635276][ T4846] task_work_run+0x12c/0x1d8 [ 78.636033][ T4846] do_notify_resume+0x2450/0x309c [ 78.636861][ T4846] el0_svc+0xf0/0x1d0 [ 78.637525][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 78.638352][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 78.806480][ T5061] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.806480][ T5061] [ 78.807944][ T5061] JFS: sb_issue_discard(000000005172f620, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.809491][ T5061] blkno = 8000000000400, nblocks = 400 [ 78.810476][ T5061] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.810476][ T5061] [ 78.814159][ T4846] BUG: Bad page state in process syz-executor pfn:1284d5 [ 78.815348][ T4846] page:00000000a74d59ec refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1284d5 [ 78.817059][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.818660][ T4846] raw: 05ffc00000002006 fffffc0003acab48 ffff80001f5175c0 0000000000000000 [ 78.820048][ T4846] raw: 0000000000000004 ffff0000e8584ba0 00000000ffffffff 0000000000000000 [ 78.821872][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.823017][ T4846] Modules linked in: [ 78.823700][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.825182][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.826792][ T4846] Call trace: [ 78.827315][ T4846] dump_backtrace+0x0/0x458 [ 78.828067][ T4846] show_stack+0x2c/0x3c [ 78.828810][ T4846] __dump_stack+0x30/0x40 [ 78.829499][ T4846] dump_stack_lvl+0xf4/0x15c [ 78.830254][ T4846] dump_stack+0x1c/0x5c [ 78.830962][ T4846] bad_page+0x188/0x1a8 [ 78.831623][ T4846] check_free_page_bad+0xf4/0x16c [ 78.832463][ T4846] free_unref_page_prepare+0x738/0xa84 [ 78.833344][ T4846] free_unref_page_list+0xdc/0x730 [ 78.834203][ T4846] release_pages+0x13bc/0x16dc [ 78.834949][ T4846] __pagevec_release+0x84/0xf8 [ 78.835737][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 78.836655][ T4846] truncate_inode_pages+0x2c/0x3c [ 78.837444][ T4846] dbUnmount+0xf4/0x168 [ 78.838072][ T4846] jfs_umount+0x1c4/0x328 [ 78.838729][ T4846] jfs_put_super+0x90/0x188 [ 78.839401][ T4846] generic_shutdown_super+0x130/0x2f0 [ 78.840238][ T4846] kill_block_super+0x70/0xdc [ 78.840933][ T4846] deactivate_locked_super+0xb8/0x134 [ 78.841806][ T4846] deactivate_super+0xf0/0x110 [ 78.842582][ T4846] cleanup_mnt+0x3b8/0x46c [ 78.843312][ T4846] __cleanup_mnt+0x20/0x30 [ 78.844047][ T4846] task_work_run+0x12c/0x1d8 [ 78.844784][ T4846] do_notify_resume+0x2450/0x309c [ 78.845656][ T4846] el0_svc+0xf0/0x1d0 [ 78.846326][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 78.847224][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 79.005254][ T5063] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.005254][ T5063] [ 79.006697][ T5063] JFS: sb_issue_discard(000000004d021400, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.008354][ T5063] blkno = 8000000000400, nblocks = 400 [ 79.009225][ T5063] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.009225][ T5063] [ 79.012933][ T4846] BUG: Bad page state in process syz-executor pfn:12d892 [ 79.014053][ T4846] page:00000000ffb93c0d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12d892 [ 79.015764][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.017449][ T4846] raw: 05ffc00000002006 fffffc0003b37288 ffff80001f5175c0 0000000000000000 [ 79.018890][ T4846] raw: 0000000000000004 ffff0000c9c38ba0 00000000ffffffff 0000000000000000 [ 79.020249][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.023162][ T4846] Modules linked in: [ 79.023780][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.025127][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.026744][ T4846] Call trace: [ 79.027246][ T4846] dump_backtrace+0x0/0x458 [ 79.027941][ T4846] show_stack+0x2c/0x3c [ 79.028590][ T4846] __dump_stack+0x30/0x40 [ 79.029316][ T4846] dump_stack_lvl+0xf4/0x15c [ 79.030066][ T4846] dump_stack+0x1c/0x5c [ 79.030686][ T4846] bad_page+0x188/0x1a8 [ 79.031329][ T4846] check_free_page_bad+0xf4/0x16c [ 79.032084][ T4846] free_unref_page_prepare+0x738/0xa84 [ 79.032926][ T4846] free_unref_page_list+0xdc/0x730 [ 79.033709][ T4846] release_pages+0x13bc/0x16dc [ 79.034436][ T4846] __pagevec_release+0x84/0xf8 [ 79.035177][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 79.036075][ T4846] truncate_inode_pages+0x2c/0x3c [ 79.036864][ T4846] dbUnmount+0xf4/0x168 [ 79.037552][ T4846] jfs_umount+0x1c4/0x328 [ 79.038261][ T4846] jfs_put_super+0x90/0x188 [ 79.039002][ T4846] generic_shutdown_super+0x130/0x2f0 [ 79.039901][ T4846] kill_block_super+0x70/0xdc [ 79.040682][ T4846] deactivate_locked_super+0xb8/0x134 [ 79.041520][ T4846] deactivate_super+0xf0/0x110 [ 79.042269][ T4846] cleanup_mnt+0x3b8/0x46c [ 79.042974][ T4846] __cleanup_mnt+0x20/0x30 [ 79.043685][ T4846] task_work_run+0x12c/0x1d8 [ 79.044403][ T4846] do_notify_resume+0x2450/0x309c [ 79.045170][ T4846] el0_svc+0xf0/0x1d0 [ 79.045806][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 79.046648][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 79.215441][ T5065] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.215441][ T5065] [ 79.216904][ T5065] JFS: sb_issue_discard(00000000f402d8c8, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.218658][ T5065] blkno = 8000000000400, nblocks = 400 [ 79.219646][ T5065] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.219646][ T5065] [ 79.223918][ T4846] BUG: Bad page state in process syz-executor pfn:1120c9 [ 79.225149][ T4846] page:0000000008c9d763 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1120c9 [ 79.226811][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.228500][ T4846] raw: 05ffc00000002006 fffffc000328e788 ffff80001f5175c0 0000000000000000 [ 79.230073][ T4846] raw: 0000000000000004 ffff0000c69bb6c8 00000000ffffffff 0000000000000000 [ 79.231834][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.233096][ T4846] Modules linked in: [ 79.233781][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.235349][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.237068][ T4846] Call trace: [ 79.237606][ T4846] dump_backtrace+0x0/0x458 [ 79.238312][ T4846] show_stack+0x2c/0x3c [ 79.238941][ T4846] __dump_stack+0x30/0x40 [ 79.239636][ T4846] dump_stack_lvl+0xf4/0x15c [ 79.240343][ T4846] dump_stack+0x1c/0x5c [ 79.240999][ T4846] bad_page+0x188/0x1a8 [ 79.241683][ T4846] check_free_page_bad+0xf4/0x16c [ 79.242482][ T4846] free_unref_page_prepare+0x738/0xa84 [ 79.243377][ T4846] free_unref_page_list+0xdc/0x730 [ 79.244174][ T4846] release_pages+0x13bc/0x16dc [ 79.244968][ T4846] __pagevec_release+0x84/0xf8 [ 79.245734][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 79.246688][ T4846] truncate_inode_pages+0x2c/0x3c [ 79.247503][ T4846] dbUnmount+0xf4/0x168 [ 79.248188][ T4846] jfs_umount+0x1c4/0x328 [ 79.248921][ T4846] jfs_put_super+0x90/0x188 [ 79.249681][ T4846] generic_shutdown_super+0x130/0x2f0 [ 79.250593][ T4846] kill_block_super+0x70/0xdc [ 79.251382][ T4846] deactivate_locked_super+0xb8/0x134 [ 79.252297][ T4846] deactivate_super+0xf0/0x110 [ 79.253094][ T4846] cleanup_mnt+0x3b8/0x46c [ 79.253788][ T4846] __cleanup_mnt+0x20/0x30 [ 79.254485][ T4846] task_work_run+0x12c/0x1d8 [ 79.255217][ T4846] do_notify_resume+0x2450/0x309c [ 79.256047][ T4846] el0_svc+0xf0/0x1d0 [ 79.256702][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 79.257539][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 79.409731][ T5067] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.409731][ T5067] [ 79.417313][ T5067] JFS: sb_issue_discard(00000000aa9775ed, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.418939][ T5067] blkno = 8000000000400, nblocks = 400 [ 79.419770][ T5067] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.419770][ T5067] [ 79.424801][ T4846] BUG: Bad page state in process syz-executor pfn:111d8f [ 79.425933][ T4846] page:00000000b30945f7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111d8f [ 79.427566][ T4846] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.428983][ T4846] raw: 05ffc00000002004 fffffc00032ce048 ffff80001f5175c0 0000000000000000 [ 79.430380][ T4846] raw: 0000000000000004 ffff0000c5ebb6c8 00000000ffffffff 0000000000000000 [ 79.432511][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.433757][ T4846] Modules linked in: [ 79.434344][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.435705][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.437264][ T4846] Call trace: [ 79.437767][ T4846] dump_backtrace+0x0/0x458 [ 79.438451][ T4846] show_stack+0x2c/0x3c [ 79.439129][ T4846] __dump_stack+0x30/0x40 [ 79.439845][ T4846] dump_stack_lvl+0xf4/0x15c [ 79.440572][ T4846] dump_stack+0x1c/0x5c [ 79.441238][ T4846] bad_page+0x188/0x1a8 [ 79.441934][ T4846] check_free_page_bad+0xf4/0x16c [ 79.442740][ T4846] free_unref_page_prepare+0x738/0xa84 [ 79.443602][ T4846] free_unref_page_list+0xdc/0x730 [ 79.444443][ T4846] release_pages+0x13bc/0x16dc [ 79.445253][ T4846] __pagevec_release+0x84/0xf8 [ 79.446068][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 79.447007][ T4846] truncate_inode_pages+0x2c/0x3c [ 79.447867][ T4846] dbUnmount+0xf4/0x168 [ 79.448585][ T4846] jfs_umount+0x1c4/0x328 [ 79.449289][ T4846] jfs_put_super+0x90/0x188 [ 79.450061][ T4846] generic_shutdown_super+0x130/0x2f0 [ 79.450999][ T4846] kill_block_super+0x70/0xdc [ 79.451781][ T4846] deactivate_locked_super+0xb8/0x134 [ 79.452676][ T4846] deactivate_super+0xf0/0x110 [ 79.453443][ T4846] cleanup_mnt+0x3b8/0x46c [ 79.454138][ T4846] __cleanup_mnt+0x20/0x30 [ 79.454839][ T4846] task_work_run+0x12c/0x1d8 [ 79.455551][ T4846] do_notify_resume+0x2450/0x309c [ 79.456411][ T4846] el0_svc+0xf0/0x1d0 [ 79.457037][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 79.457773][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 79.624889][ T5069] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.624889][ T5069] [ 79.626245][ T5069] JFS: sb_issue_discard(00000000c68ce619, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.627956][ T5069] blkno = 8000000000400, nblocks = 400 [ 79.628802][ T5069] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.628802][ T5069] [ 79.632578][ T4846] BUG: Bad page state in process syz-executor pfn:1285ce [ 79.633696][ T4846] page:00000000abafe1a7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1285ce [ 79.635312][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.636938][ T4846] raw: 05ffc00000002006 fffffc0003288408 ffff80001f5175c0 0000000000000000 [ 79.638373][ T4846] raw: 0000000000000004 ffff0000c5ebb9b0 00000000ffffffff 0000000000000000 [ 79.639799][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.641427][ T4846] Modules linked in: [ 79.642070][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.643492][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.645055][ T4846] Call trace: [ 79.645595][ T4846] dump_backtrace+0x0/0x458 [ 79.646343][ T4846] show_stack+0x2c/0x3c [ 79.647000][ T4846] __dump_stack+0x30/0x40 [ 79.647715][ T4846] dump_stack_lvl+0xf4/0x15c [ 79.648410][ T4846] dump_stack+0x1c/0x5c [ 79.649056][ T4846] bad_page+0x188/0x1a8 [ 79.649693][ T4846] check_free_page_bad+0xf4/0x16c [ 79.650530][ T4846] free_unref_page_prepare+0x738/0xa84 [ 79.651383][ T4846] free_unref_page_list+0xdc/0x730 [ 79.652198][ T4846] release_pages+0x13bc/0x16dc [ 79.652940][ T4846] __pagevec_release+0x84/0xf8 [ 79.653683][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 79.654578][ T4846] truncate_inode_pages+0x2c/0x3c [ 79.655352][ T4846] dbUnmount+0xf4/0x168 [ 79.656000][ T4846] jfs_umount+0x1c4/0x328 [ 79.656685][ T4846] jfs_put_super+0x90/0x188 [ 79.657413][ T4846] generic_shutdown_super+0x130/0x2f0 [ 79.658260][ T4846] kill_block_super+0x70/0xdc [ 79.658990][ T4846] deactivate_locked_super+0xb8/0x134 [ 79.659911][ T4846] deactivate_super+0xf0/0x110 [ 79.660720][ T4846] cleanup_mnt+0x3b8/0x46c [ 79.661468][ T4846] __cleanup_mnt+0x20/0x30 [ 79.662218][ T4846] task_work_run+0x12c/0x1d8 [ 79.662998][ T4846] do_notify_resume+0x2450/0x309c [ 79.663838][ T4846] el0_svc+0xf0/0x1d0 [ 79.664494][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 79.665293][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 79.858491][ T5071] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.858491][ T5071] [ 79.859804][ T5071] JFS: sb_issue_discard(000000006358fada, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.861847][ T5071] blkno = 8000000000400, nblocks = 400 [ 79.862716][ T5071] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.862716][ T5071] [ 79.866019][ T4846] BUG: Bad page state in process syz-executor pfn:12d47b [ 79.867189][ T4846] page:00000000dd4b12b7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12d47b [ 79.868828][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.870356][ T4846] raw: 05ffc00000002006 fffffc0003696608 ffff80001f5175c0 0000000000000000 [ 79.872176][ T4846] raw: 0000000000000004 ffff0000db42a9b0 00000000ffffffff 0000000000000000 [ 79.873468][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.874681][ T4846] Modules linked in: [ 79.875292][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.876671][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.878195][ T4846] Call trace: [ 79.878685][ T4846] dump_backtrace+0x0/0x458 [ 79.879364][ T4846] show_stack+0x2c/0x3c [ 79.879995][ T4846] __dump_stack+0x30/0x40 [ 79.880648][ T4846] dump_stack_lvl+0xf4/0x15c [ 79.881350][ T4846] dump_stack+0x1c/0x5c [ 79.881990][ T4846] bad_page+0x188/0x1a8 [ 79.882631][ T4846] check_free_page_bad+0xf4/0x16c [ 79.883454][ T4846] free_unref_page_prepare+0x738/0xa84 [ 79.884319][ T4846] free_unref_page_list+0xdc/0x730 [ 79.885125][ T4846] release_pages+0x13bc/0x16dc [ 79.885867][ T4846] __pagevec_release+0x84/0xf8 [ 79.886625][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 79.887571][ T4846] truncate_inode_pages+0x2c/0x3c [ 79.888389][ T4846] dbUnmount+0xf4/0x168 [ 79.889050][ T4846] jfs_umount+0x1c4/0x328 [ 79.889753][ T4846] jfs_put_super+0x90/0x188 [ 79.890506][ T4846] generic_shutdown_super+0x130/0x2f0 [ 79.891410][ T4846] kill_block_super+0x70/0xdc [ 79.892191][ T4846] deactivate_locked_super+0xb8/0x134 [ 79.893092][ T4846] deactivate_super+0xf0/0x110 [ 79.893826][ T4846] cleanup_mnt+0x3b8/0x46c [ 79.894518][ T4846] __cleanup_mnt+0x20/0x30 [ 79.895202][ T4846] task_work_run+0x12c/0x1d8 [ 79.895926][ T4846] do_notify_resume+0x2450/0x309c [ 79.896716][ T4846] el0_svc+0xf0/0x1d0 [ 79.897340][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 79.898116][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 80.066154][ T5073] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.066154][ T5073] [ 80.067420][ T5073] JFS: sb_issue_discard(0000000061d70046, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.069077][ T5073] blkno = 8000000000400, nblocks = 400 [ 80.069915][ T5073] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.069915][ T5073] [ 80.073878][ T4846] BUG: Bad page state in process syz-executor pfn:10ad82 [ 80.074958][ T4846] page:0000000014a4efb4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ad82 [ 80.076502][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.078386][ T4846] raw: 05ffc00000002006 fffffc00036de5c8 ffff80001f5175c0 0000000000000000 [ 80.079778][ T4846] raw: 0000000000000004 ffff0000dd48a4d8 00000000ffffffff 0000000000000000 [ 80.081616][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.082756][ T4846] Modules linked in: [ 80.083375][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.084699][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.086216][ T4846] Call trace: [ 80.086706][ T4846] dump_backtrace+0x0/0x458 [ 80.087385][ T4846] show_stack+0x2c/0x3c [ 80.087997][ T4846] __dump_stack+0x30/0x40 [ 80.088645][ T4846] dump_stack_lvl+0xf4/0x15c [ 80.089346][ T4846] dump_stack+0x1c/0x5c [ 80.089980][ T4846] bad_page+0x188/0x1a8 [ 80.090606][ T4846] check_free_page_bad+0xf4/0x16c [ 80.091389][ T4846] free_unref_page_prepare+0x738/0xa84 [ 80.092243][ T4846] free_unref_page_list+0xdc/0x730 [ 80.093034][ T4846] release_pages+0x13bc/0x16dc [ 80.093775][ T4846] __pagevec_release+0x84/0xf8 [ 80.094528][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 80.095422][ T4846] truncate_inode_pages+0x2c/0x3c [ 80.096212][ T4846] dbUnmount+0xf4/0x168 [ 80.096898][ T4846] jfs_umount+0x1c4/0x328 [ 80.097577][ T4846] jfs_put_super+0x90/0x188 [ 80.098282][ T4846] generic_shutdown_super+0x130/0x2f0 [ 80.099108][ T4846] kill_block_super+0x70/0xdc [ 80.099839][ T4846] deactivate_locked_super+0xb8/0x134 [ 80.100678][ T4846] deactivate_super+0xf0/0x110 [ 80.101443][ T4846] cleanup_mnt+0x3b8/0x46c [ 80.102121][ T4846] __cleanup_mnt+0x20/0x30 [ 80.102801][ T4846] task_work_run+0x12c/0x1d8 [ 80.103519][ T4846] do_notify_resume+0x2450/0x309c [ 80.104336][ T4846] el0_svc+0xf0/0x1d0 [ 80.104976][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 80.105779][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 80.276897][ T5075] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.276897][ T5075] [ 80.278287][ T5075] JFS: sb_issue_discard(0000000064f49c04, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.279846][ T5075] blkno = 8000000000400, nblocks = 400 [ 80.280746][ T5075] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.280746][ T5075] [ 80.284502][ T4846] BUG: Bad page state in process syz-executor pfn:12d2c9 [ 80.285737][ T4846] page:00000000ef118185 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12d2c9 [ 80.287350][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.289030][ T4846] raw: 05ffc00000002006 fffffc000373a888 ffff80001f5175c0 0000000000000000 [ 80.290324][ T4846] raw: 0000000000000004 ffff0000cd8494d8 00000000ffffffff 0000000000000000 [ 80.292401][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.293541][ T4846] Modules linked in: [ 80.294182][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.295543][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.297153][ T4846] Call trace: [ 80.297687][ T4846] dump_backtrace+0x0/0x458 [ 80.298432][ T4846] show_stack+0x2c/0x3c [ 80.299085][ T4846] __dump_stack+0x30/0x40 [ 80.299775][ T4846] dump_stack_lvl+0xf4/0x15c [ 80.300507][ T4846] dump_stack+0x1c/0x5c [ 80.301167][ T4846] bad_page+0x188/0x1a8 [ 80.301836][ T4846] check_free_page_bad+0xf4/0x16c [ 80.302647][ T4846] free_unref_page_prepare+0x738/0xa84 [ 80.303496][ T4846] free_unref_page_list+0xdc/0x730 [ 80.304287][ T4846] release_pages+0x13bc/0x16dc [ 80.305030][ T4846] __pagevec_release+0x84/0xf8 [ 80.305771][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 80.306669][ T4846] truncate_inode_pages+0x2c/0x3c [ 80.307475][ T4846] dbUnmount+0xf4/0x168 [ 80.308129][ T4846] jfs_umount+0x1c4/0x328 [ 80.308810][ T4846] jfs_put_super+0x90/0x188 [ 80.309539][ T4846] generic_shutdown_super+0x130/0x2f0 [ 80.310435][ T4846] kill_block_super+0x70/0xdc [ 80.311215][ T4846] deactivate_locked_super+0xb8/0x134 [ 80.312106][ T4846] deactivate_super+0xf0/0x110 [ 80.312877][ T4846] cleanup_mnt+0x3b8/0x46c [ 80.313562][ T4846] __cleanup_mnt+0x20/0x30 [ 80.314219][ T4846] task_work_run+0x12c/0x1d8 [ 80.314953][ T4846] do_notify_resume+0x2450/0x309c [ 80.315711][ T4846] el0_svc+0xf0/0x1d0 [ 80.316319][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 80.317099][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 80.462440][ T5077] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.462440][ T5077] [ 80.463744][ T5077] JFS: sb_issue_discard(00000000c0e5341e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.465297][ T5077] blkno = 8000000000400, nblocks = 400 [ 80.466109][ T5077] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.466109][ T5077] [ 80.469338][ T4846] BUG: Bad page state in process syz-executor pfn:115a6f [ 80.470477][ T4846] page:000000008de046cb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x115a6f [ 80.472376][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.473989][ T4846] raw: 05ffc00000002006 fffffc00031eea88 ffff80001f5175c0 0000000000000000 [ 80.475492][ T4846] raw: 0000000000000004 ffff0000c8419000 00000000ffffffff 0000000000000000 [ 80.476901][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.478156][ T4846] Modules linked in: [ 80.478787][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.480192][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.481882][ T4846] Call trace: [ 80.482409][ T4846] dump_backtrace+0x0/0x458 [ 80.483138][ T4846] show_stack+0x2c/0x3c [ 80.483824][ T4846] __dump_stack+0x30/0x40 [ 80.484549][ T4846] dump_stack_lvl+0xf4/0x15c [ 80.485324][ T4846] dump_stack+0x1c/0x5c [ 80.485995][ T4846] bad_page+0x188/0x1a8 [ 80.486669][ T4846] check_free_page_bad+0xf4/0x16c [ 80.487492][ T4846] free_unref_page_prepare+0x738/0xa84 [ 80.488366][ T4846] free_unref_page_list+0xdc/0x730 [ 80.489184][ T4846] release_pages+0x13bc/0x16dc [ 80.489948][ T4846] __pagevec_release+0x84/0xf8 [ 80.490694][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 80.491642][ T4846] truncate_inode_pages+0x2c/0x3c [ 80.492447][ T4846] dbUnmount+0xf4/0x168 [ 80.493112][ T4846] jfs_umount+0x1c4/0x328 [ 80.493807][ T4846] jfs_put_super+0x90/0x188 [ 80.494540][ T4846] generic_shutdown_super+0x130/0x2f0 [ 80.495448][ T4846] kill_block_super+0x70/0xdc [ 80.496251][ T4846] deactivate_locked_super+0xb8/0x134 [ 80.497165][ T4846] deactivate_super+0xf0/0x110 [ 80.497983][ T4846] cleanup_mnt+0x3b8/0x46c [ 80.498729][ T4846] __cleanup_mnt+0x20/0x30 [ 80.499468][ T4846] task_work_run+0x12c/0x1d8 [ 80.500234][ T4846] do_notify_resume+0x2450/0x309c [ 80.501078][ T4846] el0_svc+0xf0/0x1d0 [ 80.501749][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 80.502599][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 80.644305][ T5079] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.644305][ T5079] [ 80.645695][ T5079] JFS: sb_issue_discard(000000000622123b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.647335][ T5079] blkno = 8000000000400, nblocks = 400 [ 80.648210][ T5079] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.648210][ T5079] [ 80.652344][ T4846] BUG: Bad page state in process syz-executor pfn:10f740 [ 80.653468][ T4846] page:00000000cadd3d66 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10f740 [ 80.655114][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.656717][ T4846] raw: 05ffc00000002006 fffffc000353b5c8 ffff80001f5175c0 0000000000000000 [ 80.658076][ T4846] raw: 0000000000000004 ffff0000c8419aa8 00000000ffffffff 0000000000000000 [ 80.659379][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.660542][ T4846] Modules linked in: [ 80.661859][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.663217][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.664683][ T4846] Call trace: [ 80.665159][ T4846] dump_backtrace+0x0/0x458 [ 80.665833][ T4846] show_stack+0x2c/0x3c [ 80.666453][ T4846] __dump_stack+0x30/0x40 [ 80.667096][ T4846] dump_stack_lvl+0xf4/0x15c [ 80.667786][ T4846] dump_stack+0x1c/0x5c [ 80.668420][ T4846] bad_page+0x188/0x1a8 [ 80.669086][ T4846] check_free_page_bad+0xf4/0x16c [ 80.669901][ T4846] free_unref_page_prepare+0x738/0xa84 [ 80.670702][ T4846] free_unref_page_list+0xdc/0x730 [ 80.671468][ T4846] release_pages+0x13bc/0x16dc [ 80.672237][ T4846] __pagevec_release+0x84/0xf8 [ 80.672991][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 80.673893][ T4846] truncate_inode_pages+0x2c/0x3c [ 80.674711][ T4846] dbUnmount+0xf4/0x168 [ 80.675394][ T4846] jfs_umount+0x1c4/0x328 [ 80.676105][ T4846] jfs_put_super+0x90/0x188 [ 80.676873][ T4846] generic_shutdown_super+0x130/0x2f0 [ 80.677736][ T4846] kill_block_super+0x70/0xdc [ 80.678500][ T4846] deactivate_locked_super+0xb8/0x134 [ 80.679362][ T4846] deactivate_super+0xf0/0x110 [ 80.680165][ T4846] cleanup_mnt+0x3b8/0x46c [ 80.680912][ T4846] __cleanup_mnt+0x20/0x30 [ 80.681609][ T4846] task_work_run+0x12c/0x1d8 [ 80.682370][ T4846] do_notify_resume+0x2450/0x309c [ 80.683206][ T4846] el0_svc+0xf0/0x1d0 [ 80.683862][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 80.684659][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 80.847793][ T5081] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.847793][ T5081] [ 80.849407][ T5081] JFS: sb_issue_discard(00000000c1c5f9e1, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.851062][ T5081] blkno = 8000000000400, nblocks = 400 [ 80.852008][ T5081] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.852008][ T5081] [ 80.855305][ T4846] BUG: Bad page state in process syz-executor pfn:110e6f [ 80.856496][ T4846] page:00000000de839edd refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x110e6f [ 80.858087][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.859551][ T4846] raw: 05ffc00000002006 fffffc0003737fc8 ffff80001f5175c0 0000000000000000 [ 80.861667][ T4846] raw: 0000000000000004 ffff0000eb2325d0 00000000ffffffff 0000000000000000 [ 80.862992][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.864241][ T4846] Modules linked in: [ 80.864870][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.866296][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.867861][ T4846] Call trace: [ 80.868369][ T4846] dump_backtrace+0x0/0x458 [ 80.869105][ T4846] show_stack+0x2c/0x3c [ 80.869776][ T4846] __dump_stack+0x30/0x40 [ 80.870438][ T4846] dump_stack_lvl+0xf4/0x15c [ 80.871209][ T4846] dump_stack+0x1c/0x5c [ 80.871887][ T4846] bad_page+0x188/0x1a8 [ 80.872584][ T4846] check_free_page_bad+0xf4/0x16c [ 80.873428][ T4846] free_unref_page_prepare+0x738/0xa84 [ 80.874336][ T4846] free_unref_page_list+0xdc/0x730 [ 80.875158][ T4846] release_pages+0x13bc/0x16dc [ 80.875957][ T4846] __pagevec_release+0x84/0xf8 [ 80.876748][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 80.877641][ T4846] truncate_inode_pages+0x2c/0x3c [ 80.878420][ T4846] dbUnmount+0xf4/0x168 [ 80.879108][ T4846] jfs_umount+0x1c4/0x328 [ 80.879797][ T4846] jfs_put_super+0x90/0x188 [ 80.880514][ T4846] generic_shutdown_super+0x130/0x2f0 [ 80.881405][ T4846] kill_block_super+0x70/0xdc [ 80.882178][ T4846] deactivate_locked_super+0xb8/0x134 [ 80.882975][ T4846] deactivate_super+0xf0/0x110 [ 80.883716][ T4846] cleanup_mnt+0x3b8/0x46c [ 80.884401][ T4846] __cleanup_mnt+0x20/0x30 [ 80.885082][ T4846] task_work_run+0x12c/0x1d8 [ 80.885820][ T4846] do_notify_resume+0x2450/0x309c [ 80.886587][ T4846] el0_svc+0xf0/0x1d0 [ 80.887240][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 80.888038][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 81.057824][ T5083] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.057824][ T5083] [ 81.059196][ T5083] JFS: sb_issue_discard(00000000a77a27e3, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.060788][ T5083] blkno = 8000000000400, nblocks = 400 [ 81.062449][ T5083] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.062449][ T5083] [ 81.065937][ T4846] BUG: Bad page state in process syz-executor pfn:10afa6 [ 81.067076][ T4846] page:000000004124e725 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10afa6 [ 81.068728][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.070327][ T4846] raw: 05ffc00000002006 fffffc0003334208 ffff80001f5175c0 0000000000000000 [ 81.072433][ T4846] raw: 0000000000000004 ffff0000d9f550f8 00000000ffffffff 0000000000000000 [ 81.073827][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.074955][ T4846] Modules linked in: [ 81.075605][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.076942][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.078573][ T4846] Call trace: [ 81.079077][ T4846] dump_backtrace+0x0/0x458 [ 81.079762][ T4846] show_stack+0x2c/0x3c [ 81.080453][ T4846] __dump_stack+0x30/0x40 [ 81.081161][ T4846] dump_stack_lvl+0xf4/0x15c [ 81.081949][ T4846] dump_stack+0x1c/0x5c [ 81.082647][ T4846] bad_page+0x188/0x1a8 [ 81.083335][ T4846] check_free_page_bad+0xf4/0x16c [ 81.084180][ T4846] free_unref_page_prepare+0x738/0xa84 [ 81.085094][ T4846] free_unref_page_list+0xdc/0x730 [ 81.085943][ T4846] release_pages+0x13bc/0x16dc [ 81.086716][ T4846] __pagevec_release+0x84/0xf8 [ 81.087458][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 81.088396][ T4846] truncate_inode_pages+0x2c/0x3c [ 81.089224][ T4846] dbUnmount+0xf4/0x168 [ 81.089920][ T4846] jfs_umount+0x1c4/0x328 [ 81.090639][ T4846] jfs_put_super+0x90/0x188 [ 81.091397][ T4846] generic_shutdown_super+0x130/0x2f0 [ 81.092289][ T4846] kill_block_super+0x70/0xdc [ 81.093021][ T4846] deactivate_locked_super+0xb8/0x134 [ 81.093860][ T4846] deactivate_super+0xf0/0x110 [ 81.094618][ T4846] cleanup_mnt+0x3b8/0x46c [ 81.095310][ T4846] __cleanup_mnt+0x20/0x30 [ 81.095985][ T4846] task_work_run+0x12c/0x1d8 [ 81.096754][ T4846] do_notify_resume+0x2450/0x309c [ 81.097599][ T4846] el0_svc+0xf0/0x1d0 [ 81.098219][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 81.098993][ T4846] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:21 executed programs: 26 [ 81.216467][ T5085] set_capacity_and_notify: 14 callbacks suppressed [ 81.216477][ T5085] loop0: detected capacity change from 0 to 32768 [ 81.252460][ T5085] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.252460][ T5085] [ 81.253722][ T5085] handle_bad_sector: 14 callbacks suppressed [ 81.253734][ T5085] attempt to access beyond end of device [ 81.253734][ T5085] loop0: rw=2051, want=18014398509498368, limit=32768 [ 81.256587][ T5085] JFS: sb_issue_discard(000000007097b70d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.258210][ T5085] blkno = 8000000000400, nblocks = 400 [ 81.259059][ T5085] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.259059][ T5085] [ 81.262636][ T4846] BUG: Bad page state in process syz-executor pfn:10d9e8 [ 81.263735][ T4846] page:00000000d6530f8f refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d9e8 [ 81.265407][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.266926][ T4846] raw: 05ffc00000002006 fffffc0003b02c48 ffff80001f5175c0 0000000000000000 [ 81.268242][ T4846] raw: 0000000000000004 ffff0000cce5c000 00000000ffffffff 0000000000000000 [ 81.269642][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.270770][ T4846] Modules linked in: [ 81.272060][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.273409][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.274924][ T4846] Call trace: [ 81.275417][ T4846] dump_backtrace+0x0/0x458 [ 81.276157][ T4846] show_stack+0x2c/0x3c [ 81.276829][ T4846] __dump_stack+0x30/0x40 [ 81.277513][ T4846] dump_stack_lvl+0xf4/0x15c [ 81.278241][ T4846] dump_stack+0x1c/0x5c [ 81.278901][ T4846] bad_page+0x188/0x1a8 [ 81.279540][ T4846] check_free_page_bad+0xf4/0x16c [ 81.280312][ T4846] free_unref_page_prepare+0x738/0xa84 [ 81.281135][ T4846] free_unref_page_list+0xdc/0x730 [ 81.281982][ T4846] release_pages+0x13bc/0x16dc [ 81.282763][ T4846] __pagevec_release+0x84/0xf8 [ 81.283526][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 81.284461][ T4846] truncate_inode_pages+0x2c/0x3c [ 81.285268][ T4846] dbUnmount+0xf4/0x168 [ 81.285923][ T4846] jfs_umount+0x1c4/0x328 [ 81.286614][ T4846] jfs_put_super+0x90/0x188 [ 81.287314][ T4846] generic_shutdown_super+0x130/0x2f0 [ 81.288167][ T4846] kill_block_super+0x70/0xdc [ 81.288930][ T4846] deactivate_locked_super+0xb8/0x134 [ 81.289836][ T4846] deactivate_super+0xf0/0x110 [ 81.290643][ T4846] cleanup_mnt+0x3b8/0x46c [ 81.291390][ T4846] __cleanup_mnt+0x20/0x30 [ 81.292130][ T4846] task_work_run+0x12c/0x1d8 [ 81.292878][ T4846] do_notify_resume+0x2450/0x309c [ 81.293691][ T4846] el0_svc+0xf0/0x1d0 [ 81.294334][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 81.295178][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 81.372576][ T5087] loop0: detected capacity change from 0 to 32768 [ 81.479325][ T5087] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.479325][ T5087] [ 81.480701][ T5087] attempt to access beyond end of device [ 81.480701][ T5087] loop0: rw=2051, want=18014398509498368, limit=32768 [ 81.482744][ T5087] JFS: sb_issue_discard(000000004b6527fe, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.484294][ T5087] blkno = 8000000000400, nblocks = 400 [ 81.485190][ T5087] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.485190][ T5087] [ 81.488830][ T4846] BUG: Bad page state in process syz-executor pfn:10b8e4 [ 81.489907][ T4846] page:000000000348e198 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10b8e4 [ 81.492601][ T4846] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.494004][ T4846] raw: 05ffc00000002004 fffffc000324f048 ffff80001f5175c0 0000000000000000 [ 81.495367][ T4846] raw: 0000000000000004 ffff0000d9f55ba0 00000000ffffffff 0000000000000000 [ 81.496753][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.497947][ T4846] Modules linked in: [ 81.498586][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.499983][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.501580][ T4846] Call trace: [ 81.502102][ T4846] dump_backtrace+0x0/0x458 [ 81.502843][ T4846] show_stack+0x2c/0x3c [ 81.503499][ T4846] __dump_stack+0x30/0x40 [ 81.504224][ T4846] dump_stack_lvl+0xf4/0x15c [ 81.504985][ T4846] dump_stack+0x1c/0x5c [ 81.505644][ T4846] bad_page+0x188/0x1a8 [ 81.506344][ T4846] check_free_page_bad+0xf4/0x16c [ 81.507145][ T4846] free_unref_page_prepare+0x738/0xa84 [ 81.508016][ T4846] free_unref_page_list+0xdc/0x730 [ 81.508866][ T4846] release_pages+0x13bc/0x16dc [ 81.509630][ T4846] __pagevec_release+0x84/0xf8 [ 81.510391][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 81.511332][ T4846] truncate_inode_pages+0x2c/0x3c [ 81.512136][ T4846] dbUnmount+0xf4/0x168 [ 81.512801][ T4846] jfs_umount+0x1c4/0x328 [ 81.513513][ T4846] jfs_put_super+0x90/0x188 [ 81.514232][ T4846] generic_shutdown_super+0x130/0x2f0 [ 81.515104][ T4846] kill_block_super+0x70/0xdc [ 81.515865][ T4846] deactivate_locked_super+0xb8/0x134 [ 81.516693][ T4846] deactivate_super+0xf0/0x110 [ 81.517490][ T4846] cleanup_mnt+0x3b8/0x46c [ 81.518226][ T4846] __cleanup_mnt+0x20/0x30 [ 81.518915][ T4846] task_work_run+0x12c/0x1d8 [ 81.519633][ T4846] do_notify_resume+0x2450/0x309c [ 81.520405][ T4846] el0_svc+0xf0/0x1d0 [ 81.521058][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 81.521854][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 81.667359][ T5089] loop0: detected capacity change from 0 to 32768 [ 81.715925][ T5089] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.715925][ T5089] [ 81.717241][ T5089] attempt to access beyond end of device [ 81.717241][ T5089] loop0: rw=2051, want=18014398509498368, limit=32768 [ 81.719349][ T5089] JFS: sb_issue_discard(00000000532b2058, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.721428][ T5089] blkno = 8000000000400, nblocks = 400 [ 81.722270][ T5089] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.722270][ T5089] [ 81.726424][ T4846] BUG: Bad page state in process syz-executor pfn:118841 [ 81.727502][ T4846] page:00000000adc44bdc refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x118841 [ 81.729202][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.730831][ T4846] raw: 05ffc00000002006 fffffc000359cd08 ffff80001f5175c0 0000000000000000 [ 81.732808][ T4846] raw: 0000000000000004 ffff0000cce5caa8 00000000ffffffff 0000000000000000 [ 81.734181][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.735300][ T4846] Modules linked in: [ 81.735918][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.737310][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.738877][ T4846] Call trace: [ 81.739392][ T4846] dump_backtrace+0x0/0x458 [ 81.740109][ T4846] show_stack+0x2c/0x3c [ 81.740815][ T4846] __dump_stack+0x30/0x40 [ 81.741554][ T4846] dump_stack_lvl+0xf4/0x15c [ 81.742270][ T4846] dump_stack+0x1c/0x5c [ 81.742967][ T4846] bad_page+0x188/0x1a8 [ 81.743663][ T4846] check_free_page_bad+0xf4/0x16c [ 81.744480][ T4846] free_unref_page_prepare+0x738/0xa84 [ 81.745385][ T4846] free_unref_page_list+0xdc/0x730 [ 81.746189][ T4846] release_pages+0x13bc/0x16dc [ 81.746956][ T4846] __pagevec_release+0x84/0xf8 [ 81.747708][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 81.748623][ T4846] truncate_inode_pages+0x2c/0x3c [ 81.749420][ T4846] dbUnmount+0xf4/0x168 [ 81.750075][ T4846] jfs_umount+0x1c4/0x328 [ 81.750758][ T4846] jfs_put_super+0x90/0x188 [ 81.751471][ T4846] generic_shutdown_super+0x130/0x2f0 [ 81.752318][ T4846] kill_block_super+0x70/0xdc [ 81.753058][ T4846] deactivate_locked_super+0xb8/0x134 [ 81.753903][ T4846] deactivate_super+0xf0/0x110 [ 81.754724][ T4846] cleanup_mnt+0x3b8/0x46c [ 81.755487][ T4846] __cleanup_mnt+0x20/0x30 [ 81.756247][ T4846] task_work_run+0x12c/0x1d8 [ 81.756994][ T4846] do_notify_resume+0x2450/0x309c [ 81.757822][ T4846] el0_svc+0xf0/0x1d0 [ 81.758478][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 81.759306][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 81.877618][ T5091] loop0: detected capacity change from 0 to 32768 [ 81.928951][ T5091] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.928951][ T5091] [ 81.930523][ T5091] attempt to access beyond end of device [ 81.930523][ T5091] loop0: rw=2051, want=18014398509498368, limit=32768 [ 81.932815][ T5091] JFS: sb_issue_discard(00000000863bd2cb, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.934487][ T5091] blkno = 8000000000400, nblocks = 400 [ 81.935404][ T5091] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.935404][ T5091] [ 81.938948][ T4846] BUG: Bad page state in process syz-executor pfn:128fc2 [ 81.940083][ T4846] page:00000000e90412e0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x128fc2 [ 81.942730][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.944302][ T4846] raw: 05ffc00000002006 fffffc0003b34188 ffff80001f5175c0 0000000000000000 [ 81.945642][ T4846] raw: 0000000000000004 ffff0000c11a65d0 00000000ffffffff 0000000000000000 [ 81.947038][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.948320][ T4846] Modules linked in: [ 81.948993][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.950428][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.952126][ T4846] Call trace: [ 81.952689][ T4846] dump_backtrace+0x0/0x458 [ 81.953472][ T4846] show_stack+0x2c/0x3c [ 81.954147][ T4846] __dump_stack+0x30/0x40 [ 81.954885][ T4846] dump_stack_lvl+0xf4/0x15c [ 81.955657][ T4846] dump_stack+0x1c/0x5c [ 81.956339][ T4846] bad_page+0x188/0x1a8 [ 81.957042][ T4846] check_free_page_bad+0xf4/0x16c [ 81.957831][ T4846] free_unref_page_prepare+0x738/0xa84 [ 81.958707][ T4846] free_unref_page_list+0xdc/0x730 [ 81.959558][ T4846] release_pages+0x13bc/0x16dc [ 81.960326][ T4846] __pagevec_release+0x84/0xf8 [ 81.961102][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 81.962038][ T4846] truncate_inode_pages+0x2c/0x3c [ 81.962854][ T4846] dbUnmount+0xf4/0x168 [ 81.963520][ T4846] jfs_umount+0x1c4/0x328 [ 81.964239][ T4846] jfs_put_super+0x90/0x188 [ 81.964974][ T4846] generic_shutdown_super+0x130/0x2f0 [ 81.965837][ T4846] kill_block_super+0x70/0xdc [ 81.966593][ T4846] deactivate_locked_super+0xb8/0x134 [ 81.967470][ T4846] deactivate_super+0xf0/0x110 [ 81.968262][ T4846] cleanup_mnt+0x3b8/0x46c [ 81.969003][ T4846] __cleanup_mnt+0x20/0x30 [ 81.969722][ T4846] task_work_run+0x12c/0x1d8 [ 81.970494][ T4846] do_notify_resume+0x2450/0x309c [ 81.971337][ T4846] el0_svc+0xf0/0x1d0 [ 81.971977][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 81.972804][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 82.117569][ T5093] loop0: detected capacity change from 0 to 32768 [ 82.156125][ T5093] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.156125][ T5093] [ 82.157555][ T5093] attempt to access beyond end of device [ 82.157555][ T5093] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.159578][ T5093] JFS: sb_issue_discard(00000000326d7d27, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.161492][ T5093] blkno = 8000000000400, nblocks = 400 [ 82.162331][ T5093] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.162331][ T5093] [ 82.166427][ T4846] BUG: Bad page state in process syz-executor pfn:108755 [ 82.167642][ T4846] page:000000007c4aaec2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108755 [ 82.169269][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.170800][ T4846] raw: 05ffc00000002006 fffffc000370a7c8 ffff80001f5175c0 0000000000000000 [ 82.172523][ T4846] raw: 0000000000000004 ffff0000eccfd6c8 00000000ffffffff 0000000000000000 [ 82.173934][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.175312][ T4846] Modules linked in: [ 82.175994][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.177486][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.179136][ T4846] Call trace: [ 82.179666][ T4846] dump_backtrace+0x0/0x458 [ 82.180400][ T4846] show_stack+0x2c/0x3c [ 82.181068][ T4846] __dump_stack+0x30/0x40 [ 82.181783][ T4846] dump_stack_lvl+0xf4/0x15c [ 82.182542][ T4846] dump_stack+0x1c/0x5c [ 82.183223][ T4846] bad_page+0x188/0x1a8 [ 82.183898][ T4846] check_free_page_bad+0xf4/0x16c [ 82.184705][ T4846] free_unref_page_prepare+0x738/0xa84 [ 82.185571][ T4846] free_unref_page_list+0xdc/0x730 [ 82.186387][ T4846] release_pages+0x13bc/0x16dc [ 82.187158][ T4846] __pagevec_release+0x84/0xf8 [ 82.187928][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 82.188857][ T4846] truncate_inode_pages+0x2c/0x3c [ 82.189683][ T4846] dbUnmount+0xf4/0x168 [ 82.190341][ T4846] jfs_umount+0x1c4/0x328 [ 82.191022][ T4846] jfs_put_super+0x90/0x188 [ 82.191764][ T4846] generic_shutdown_super+0x130/0x2f0 [ 82.192681][ T4846] kill_block_super+0x70/0xdc [ 82.193444][ T4846] deactivate_locked_super+0xb8/0x134 [ 82.194346][ T4846] deactivate_super+0xf0/0x110 [ 82.195112][ T4846] cleanup_mnt+0x3b8/0x46c [ 82.195819][ T4846] __cleanup_mnt+0x20/0x30 [ 82.196542][ T4846] task_work_run+0x12c/0x1d8 [ 82.197320][ T4846] do_notify_resume+0x2450/0x309c [ 82.198133][ T4846] el0_svc+0xf0/0x1d0 [ 82.198783][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 82.199573][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 82.326494][ T5095] loop0: detected capacity change from 0 to 32768 [ 82.365413][ T5095] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.365413][ T5095] [ 82.366815][ T5095] attempt to access beyond end of device [ 82.366815][ T5095] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.368760][ T5095] JFS: sb_issue_discard(00000000b918995e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.370396][ T5095] blkno = 8000000000400, nblocks = 400 [ 82.371766][ T5095] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.371766][ T5095] [ 82.375706][ T4846] BUG: Bad page state in process syz-executor pfn:113aa8 [ 82.377046][ T4846] page:0000000043f2422b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x113aa8 [ 82.378659][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.380231][ T4846] raw: 05ffc00000002006 fffffc000327e208 ffff80001f5175c0 0000000000000000 [ 82.381770][ T4846] raw: 0000000000000004 ffff0000c1fdb1f0 00000000ffffffff 0000000000000000 [ 82.383316][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.384529][ T4846] Modules linked in: [ 82.385161][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.386512][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.388037][ T4846] Call trace: [ 82.388531][ T4846] dump_backtrace+0x0/0x458 [ 82.389251][ T4846] show_stack+0x2c/0x3c [ 82.389889][ T4846] __dump_stack+0x30/0x40 [ 82.390563][ T4846] dump_stack_lvl+0xf4/0x15c [ 82.391293][ T4846] dump_stack+0x1c/0x5c [ 82.391959][ T4846] bad_page+0x188/0x1a8 [ 82.392622][ T4846] check_free_page_bad+0xf4/0x16c [ 82.393419][ T4846] free_unref_page_prepare+0x738/0xa84 [ 82.394338][ T4846] free_unref_page_list+0xdc/0x730 [ 82.395197][ T4846] release_pages+0x13bc/0x16dc [ 82.395939][ T4846] __pagevec_release+0x84/0xf8 [ 82.396679][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 82.397571][ T4846] truncate_inode_pages+0x2c/0x3c [ 82.398352][ T4846] dbUnmount+0xf4/0x168 [ 82.398995][ T4846] jfs_umount+0x1c4/0x328 [ 82.399663][ T4846] jfs_put_super+0x90/0x188 [ 82.400365][ T4846] generic_shutdown_super+0x130/0x2f0 [ 82.401202][ T4846] kill_block_super+0x70/0xdc [ 82.401971][ T4846] deactivate_locked_super+0xb8/0x134 [ 82.402851][ T4846] deactivate_super+0xf0/0x110 [ 82.403611][ T4846] cleanup_mnt+0x3b8/0x46c [ 82.404346][ T4846] __cleanup_mnt+0x20/0x30 [ 82.405038][ T4846] task_work_run+0x12c/0x1d8 [ 82.405803][ T4846] do_notify_resume+0x2450/0x309c [ 82.406601][ T4846] el0_svc+0xf0/0x1d0 [ 82.407228][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 82.407989][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 82.507754][ T5097] loop0: detected capacity change from 0 to 32768 [ 82.544960][ T5097] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.544960][ T5097] [ 82.546239][ T5097] attempt to access beyond end of device [ 82.546239][ T5097] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.548106][ T5097] JFS: sb_issue_discard(00000000982b474d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.549739][ T5097] blkno = 8000000000400, nblocks = 400 [ 82.550612][ T5097] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.550612][ T5097] [ 82.556058][ T4846] BUG: Bad page state in process syz-executor pfn:116214 [ 82.557126][ T4846] page:000000009ff643ef refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x116214 [ 82.558823][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.560356][ T4846] raw: 05ffc00000002006 fffffc000346e608 ffff80001f5175c0 0000000000000000 [ 82.562086][ T4846] raw: 0000000000000004 ffff0000c1fdbc98 00000000ffffffff 0000000000000000 [ 82.563397][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.564511][ T4846] Modules linked in: [ 82.565190][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.566560][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.568087][ T4846] Call trace: [ 82.568587][ T4846] dump_backtrace+0x0/0x458 [ 82.569279][ T4846] show_stack+0x2c/0x3c [ 82.569912][ T4846] __dump_stack+0x30/0x40 [ 82.570571][ T4846] dump_stack_lvl+0xf4/0x15c [ 82.571280][ T4846] dump_stack+0x1c/0x5c [ 82.571930][ T4846] bad_page+0x188/0x1a8 [ 82.572598][ T4846] check_free_page_bad+0xf4/0x16c [ 82.573429][ T4846] free_unref_page_prepare+0x738/0xa84 [ 82.574350][ T4846] free_unref_page_list+0xdc/0x730 [ 82.575174][ T4846] release_pages+0x13bc/0x16dc [ 82.575951][ T4846] __pagevec_release+0x84/0xf8 [ 82.576726][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 82.577658][ T4846] truncate_inode_pages+0x2c/0x3c [ 82.578473][ T4846] dbUnmount+0xf4/0x168 [ 82.579153][ T4846] jfs_umount+0x1c4/0x328 [ 82.579853][ T4846] jfs_put_super+0x90/0x188 [ 82.580582][ T4846] generic_shutdown_super+0x130/0x2f0 [ 82.581467][ T4846] kill_block_super+0x70/0xdc [ 82.582224][ T4846] deactivate_locked_super+0xb8/0x134 [ 82.583088][ T4846] deactivate_super+0xf0/0x110 [ 82.583845][ T4846] cleanup_mnt+0x3b8/0x46c [ 82.584553][ T4846] __cleanup_mnt+0x20/0x30 [ 82.585264][ T4846] task_work_run+0x12c/0x1d8 [ 82.586015][ T4846] do_notify_resume+0x2450/0x309c [ 82.586823][ T4846] el0_svc+0xf0/0x1d0 [ 82.587453][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 82.588253][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 82.706194][ T5099] loop0: detected capacity change from 0 to 32768 [ 82.758588][ T5099] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.758588][ T5099] [ 82.759992][ T5099] attempt to access beyond end of device [ 82.759992][ T5099] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.762465][ T5099] JFS: sb_issue_discard(00000000e20d54ad, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.764048][ T5099] blkno = 8000000000400, nblocks = 400 [ 82.764895][ T5099] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.764895][ T5099] [ 82.768131][ T4846] BUG: Bad page state in process syz-executor pfn:12d130 [ 82.769260][ T4846] page:000000001ca930ba refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12d130 [ 82.770829][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.772831][ T4846] raw: 05ffc00000002006 fffffc0003b2e288 ffff80001f5175c0 0000000000000000 [ 82.774137][ T4846] raw: 0000000000000004 ffff0000cb0e80f8 00000000ffffffff 0000000000000000 [ 82.775470][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.776637][ T4846] Modules linked in: [ 82.777255][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.778624][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.780140][ T4846] Call trace: [ 82.780623][ T4846] dump_backtrace+0x0/0x458 [ 82.781315][ T4846] show_stack+0x2c/0x3c [ 82.781948][ T4846] __dump_stack+0x30/0x40 [ 82.782607][ T4846] dump_stack_lvl+0xf4/0x15c [ 82.783321][ T4846] dump_stack+0x1c/0x5c [ 82.783960][ T4846] bad_page+0x188/0x1a8 [ 82.784608][ T4846] check_free_page_bad+0xf4/0x16c [ 82.785393][ T4846] free_unref_page_prepare+0x738/0xa84 [ 82.786247][ T4846] free_unref_page_list+0xdc/0x730 [ 82.787037][ T4846] release_pages+0x13bc/0x16dc [ 82.787785][ T4846] __pagevec_release+0x84/0xf8 [ 82.788516][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 82.789390][ T4846] truncate_inode_pages+0x2c/0x3c [ 82.790067][ T4846] dbUnmount+0xf4/0x168 [ 82.790705][ T4846] jfs_umount+0x1c4/0x328 [ 82.791377][ T4846] jfs_put_super+0x90/0x188 [ 82.792084][ T4846] generic_shutdown_super+0x130/0x2f0 [ 82.792924][ T4846] kill_block_super+0x70/0xdc [ 82.793628][ T4846] deactivate_locked_super+0xb8/0x134 [ 82.794445][ T4846] deactivate_super+0xf0/0x110 [ 82.795180][ T4846] cleanup_mnt+0x3b8/0x46c [ 82.795866][ T4846] __cleanup_mnt+0x20/0x30 [ 82.796543][ T4846] task_work_run+0x12c/0x1d8 [ 82.797262][ T4846] do_notify_resume+0x2450/0x309c [ 82.798046][ T4846] el0_svc+0xf0/0x1d0 [ 82.798666][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 82.799444][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 82.926746][ T5101] loop0: detected capacity change from 0 to 32768 [ 82.972384][ T5101] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.972384][ T5101] [ 82.973668][ T5101] attempt to access beyond end of device [ 82.973668][ T5101] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.975568][ T5101] JFS: sb_issue_discard(0000000079e5b0dd, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.977356][ T5101] blkno = 8000000000400, nblocks = 400 [ 82.978211][ T5101] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.978211][ T5101] [ 82.982016][ T4846] BUG: Bad page state in process syz-executor pfn:11b6a3 [ 82.983106][ T4846] page:000000008b3db61d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b6a3 [ 82.984596][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.986019][ T4846] raw: 05ffc00000002006 fffffc0003a142c8 ffff80001f5175c0 0000000000000000 [ 82.987312][ T4846] raw: 0000000000000004 ffff0000cb0e8ba0 00000000ffffffff 0000000000000000 [ 82.988586][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.989795][ T4846] Modules linked in: [ 82.990458][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.991970][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.993612][ T4846] Call trace: [ 82.994145][ T4846] dump_backtrace+0x0/0x458 [ 82.994894][ T4846] show_stack+0x2c/0x3c [ 82.995543][ T4846] __dump_stack+0x30/0x40 [ 82.996242][ T4846] dump_stack_lvl+0xf4/0x15c [ 82.996981][ T4846] dump_stack+0x1c/0x5c [ 82.997680][ T4846] bad_page+0x188/0x1a8 [ 82.998348][ T4846] check_free_page_bad+0xf4/0x16c [ 82.999147][ T4846] free_unref_page_prepare+0x738/0xa84 [ 83.000024][ T4846] free_unref_page_list+0xdc/0x730 [ 83.000884][ T4846] release_pages+0x13bc/0x16dc [ 83.001686][ T4846] __pagevec_release+0x84/0xf8 [ 83.002474][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 83.003387][ T4846] truncate_inode_pages+0x2c/0x3c [ 83.004155][ T4846] dbUnmount+0xf4/0x168 [ 83.004840][ T4846] jfs_umount+0x1c4/0x328 [ 83.005547][ T4846] jfs_put_super+0x90/0x188 [ 83.006298][ T4846] generic_shutdown_super+0x130/0x2f0 [ 83.007207][ T4846] kill_block_super+0x70/0xdc [ 83.008007][ T4846] deactivate_locked_super+0xb8/0x134 [ 83.008929][ T4846] deactivate_super+0xf0/0x110 [ 83.009741][ T4846] cleanup_mnt+0x3b8/0x46c [ 83.010496][ T4846] __cleanup_mnt+0x20/0x30 [ 83.011256][ T4846] task_work_run+0x12c/0x1d8 [ 83.012045][ T4846] do_notify_resume+0x2450/0x309c [ 83.012899][ T4846] el0_svc+0xf0/0x1d0 [ 83.013567][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 83.014387][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 83.126604][ T5103] loop0: detected capacity change from 0 to 32768 [ 83.175391][ T5103] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.175391][ T5103] [ 83.176689][ T5103] attempt to access beyond end of device [ 83.176689][ T5103] loop0: rw=2051, want=18014398509498368, limit=32768 [ 83.178752][ T5103] JFS: sb_issue_discard(0000000066c75b82, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.180402][ T5103] blkno = 8000000000400, nblocks = 400 [ 83.181282][ T5103] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.181282][ T5103] [ 83.184876][ T4846] BUG: Bad page state in process syz-executor pfn:11319c [ 83.185988][ T4846] page:000000000f977932 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11319c [ 83.187596][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.189102][ T4846] raw: 05ffc00000002006 fffffc000359d1c8 ffff80001f5175c0 0000000000000000 [ 83.190455][ T4846] raw: 0000000000000004 ffff0000d1c106c8 00000000ffffffff 0000000000000000 [ 83.191904][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.193007][ T4846] Modules linked in: [ 83.193621][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.195043][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.196547][ T4846] Call trace: [ 83.197037][ T4846] dump_backtrace+0x0/0x458 [ 83.197708][ T4846] show_stack+0x2c/0x3c [ 83.198316][ T4846] __dump_stack+0x30/0x40 [ 83.198974][ T4846] dump_stack_lvl+0xf4/0x15c [ 83.199738][ T4846] dump_stack+0x1c/0x5c [ 83.200411][ T4846] bad_page+0x188/0x1a8 [ 83.201070][ T4846] check_free_page_bad+0xf4/0x16c [ 83.201886][ T4846] free_unref_page_prepare+0x738/0xa84 [ 83.202766][ T4846] free_unref_page_list+0xdc/0x730 [ 83.203608][ T4846] release_pages+0x13bc/0x16dc [ 83.204383][ T4846] __pagevec_release+0x84/0xf8 [ 83.205159][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 83.206132][ T4846] truncate_inode_pages+0x2c/0x3c [ 83.206953][ T4846] dbUnmount+0xf4/0x168 [ 83.207630][ T4846] jfs_umount+0x1c4/0x328 [ 83.208335][ T4846] jfs_put_super+0x90/0x188 [ 83.209101][ T4846] generic_shutdown_super+0x130/0x2f0 [ 83.210018][ T4846] kill_block_super+0x70/0xdc [ 83.210818][ T4846] deactivate_locked_super+0xb8/0x134 [ 83.211693][ T4846] deactivate_super+0xf0/0x110 [ 83.212446][ T4846] cleanup_mnt+0x3b8/0x46c [ 83.213149][ T4846] __cleanup_mnt+0x20/0x30 [ 83.213847][ T4846] task_work_run+0x12c/0x1d8 [ 83.214561][ T4846] do_notify_resume+0x2450/0x309c [ 83.215349][ T4846] el0_svc+0xf0/0x1d0 [ 83.215971][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 83.216840][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 83.355068][ T5105] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.355068][ T5105] [ 83.356444][ T5105] JFS: sb_issue_discard(000000006e10b778, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.358063][ T5105] blkno = 8000000000400, nblocks = 400 [ 83.358932][ T5105] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.358932][ T5105] [ 83.362255][ T4846] BUG: Bad page state in process syz-executor pfn:110d60 [ 83.363386][ T4846] page:0000000000b00ed9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x110d60 [ 83.364937][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.366528][ T4846] raw: 05ffc00000002006 fffffc0003342248 ffff80001f5175c0 0000000000000000 [ 83.367882][ T4846] raw: 0000000000000004 ffff0000d765b6c8 00000000ffffffff 0000000000000000 [ 83.369346][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.370383][ T4846] Modules linked in: [ 83.371763][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.373120][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.374659][ T4846] Call trace: [ 83.375205][ T4846] dump_backtrace+0x0/0x458 [ 83.375912][ T4846] show_stack+0x2c/0x3c [ 83.376573][ T4846] __dump_stack+0x30/0x40 [ 83.377258][ T4846] dump_stack_lvl+0xf4/0x15c [ 83.377996][ T4846] dump_stack+0x1c/0x5c [ 83.378645][ T4846] bad_page+0x188/0x1a8 [ 83.379298][ T4846] check_free_page_bad+0xf4/0x16c [ 83.380084][ T4846] free_unref_page_prepare+0x738/0xa84 [ 83.380952][ T4846] free_unref_page_list+0xdc/0x730 [ 83.381822][ T4846] release_pages+0x13bc/0x16dc [ 83.382620][ T4846] __pagevec_release+0x84/0xf8 [ 83.383387][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 83.384314][ T4846] truncate_inode_pages+0x2c/0x3c [ 83.385131][ T4846] dbUnmount+0xf4/0x168 [ 83.385816][ T4846] jfs_umount+0x1c4/0x328 [ 83.386519][ T4846] jfs_put_super+0x90/0x188 [ 83.387244][ T4846] generic_shutdown_super+0x130/0x2f0 [ 83.388086][ T4846] kill_block_super+0x70/0xdc [ 83.388832][ T4846] deactivate_locked_super+0xb8/0x134 [ 83.389693][ T4846] deactivate_super+0xf0/0x110 [ 83.390434][ T4846] cleanup_mnt+0x3b8/0x46c [ 83.391118][ T4846] __cleanup_mnt+0x20/0x30 [ 83.391837][ T4846] task_work_run+0x12c/0x1d8 [ 83.392606][ T4846] do_notify_resume+0x2450/0x309c [ 83.393457][ T4846] el0_svc+0xf0/0x1d0 [ 83.394103][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 83.394908][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 83.534924][ T5107] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.534924][ T5107] [ 83.536334][ T5107] JFS: sb_issue_discard(00000000945eb57a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.538010][ T5107] blkno = 8000000000400, nblocks = 400 [ 83.538929][ T5107] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.538929][ T5107] [ 83.542456][ T4846] BUG: Bad page state in process syz-executor pfn:117d21 [ 83.543574][ T4846] page:000000001daefb40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x117d21 [ 83.545233][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.546738][ T4846] raw: 05ffc00000002006 fffffc00034c6a08 ffff80001f5175c0 0000000000000000 [ 83.548052][ T4846] raw: 0000000000000004 ffff0000c812b2e8 00000000ffffffff 0000000000000000 [ 83.549406][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.550597][ T4846] Modules linked in: [ 83.551489][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.552831][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.554337][ T4846] Call trace: [ 83.554829][ T4846] dump_backtrace+0x0/0x458 [ 83.555499][ T4846] show_stack+0x2c/0x3c [ 83.556138][ T4846] __dump_stack+0x30/0x40 [ 83.556832][ T4846] dump_stack_lvl+0xf4/0x15c [ 83.557532][ T4846] dump_stack+0x1c/0x5c [ 83.558163][ T4846] bad_page+0x188/0x1a8 [ 83.558800][ T4846] check_free_page_bad+0xf4/0x16c [ 83.559573][ T4846] free_unref_page_prepare+0x738/0xa84 [ 83.560425][ T4846] free_unref_page_list+0xdc/0x730 [ 83.561204][ T4846] release_pages+0x13bc/0x16dc [ 83.562015][ T4846] __pagevec_release+0x84/0xf8 [ 83.562797][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 83.563714][ T4846] truncate_inode_pages+0x2c/0x3c [ 83.564545][ T4846] dbUnmount+0xf4/0x168 [ 83.565262][ T4846] jfs_umount+0x1c4/0x328 [ 83.565938][ T4846] jfs_put_super+0x90/0x188 [ 83.566634][ T4846] generic_shutdown_super+0x130/0x2f0 [ 83.567552][ T4846] kill_block_super+0x70/0xdc [ 83.568347][ T4846] deactivate_locked_super+0xb8/0x134 [ 83.569253][ T4846] deactivate_super+0xf0/0x110 [ 83.569998][ T4846] cleanup_mnt+0x3b8/0x46c [ 83.570687][ T4846] __cleanup_mnt+0x20/0x30 [ 83.571387][ T4846] task_work_run+0x12c/0x1d8 [ 83.572114][ T4846] do_notify_resume+0x2450/0x309c [ 83.572908][ T4846] el0_svc+0xf0/0x1d0 [ 83.573542][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 83.574326][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 83.715654][ T5109] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.715654][ T5109] [ 83.717002][ T5109] JFS: sb_issue_discard(0000000086e18bf8, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.718790][ T5109] blkno = 8000000000400, nblocks = 400 [ 83.719763][ T5109] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.719763][ T5109] [ 83.723645][ T4846] BUG: Bad page state in process syz-executor pfn:12b296 [ 83.724729][ T4846] page:000000003ee3b1d7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b296 [ 83.726324][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.727783][ T4846] raw: 05ffc00000002006 fffffc0003b4c348 ffff80001f5175c0 0000000000000000 [ 83.729069][ T4846] raw: 0000000000000004 ffff0000c812bd90 00000000ffffffff 0000000000000000 [ 83.730367][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.731887][ T4846] Modules linked in: [ 83.732479][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.733792][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.735289][ T4846] Call trace: [ 83.735832][ T4846] dump_backtrace+0x0/0x458 [ 83.736530][ T4846] show_stack+0x2c/0x3c [ 83.737183][ T4846] __dump_stack+0x30/0x40 [ 83.737847][ T4846] dump_stack_lvl+0xf4/0x15c [ 83.738550][ T4846] dump_stack+0x1c/0x5c [ 83.739181][ T4846] bad_page+0x188/0x1a8 [ 83.739812][ T4846] check_free_page_bad+0xf4/0x16c [ 83.740583][ T4846] free_unref_page_prepare+0x738/0xa84 [ 83.741441][ T4846] free_unref_page_list+0xdc/0x730 [ 83.742244][ T4846] release_pages+0x13bc/0x16dc [ 83.742989][ T4846] __pagevec_release+0x84/0xf8 [ 83.743738][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 83.744632][ T4846] truncate_inode_pages+0x2c/0x3c [ 83.745412][ T4846] dbUnmount+0xf4/0x168 [ 83.746061][ T4846] jfs_umount+0x1c4/0x328 [ 83.746733][ T4846] jfs_put_super+0x90/0x188 [ 83.747429][ T4846] generic_shutdown_super+0x130/0x2f0 [ 83.748262][ T4846] kill_block_super+0x70/0xdc [ 83.748998][ T4846] deactivate_locked_super+0xb8/0x134 [ 83.749838][ T4846] deactivate_super+0xf0/0x110 [ 83.750557][ T4846] cleanup_mnt+0x3b8/0x46c [ 83.751234][ T4846] __cleanup_mnt+0x20/0x30 [ 83.751906][ T4846] task_work_run+0x12c/0x1d8 [ 83.752610][ T4846] do_notify_resume+0x2450/0x309c [ 83.753375][ T4846] el0_svc+0xf0/0x1d0 [ 83.753995][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 83.754779][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 83.892364][ T5111] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.892364][ T5111] [ 83.893666][ T5111] JFS: sb_issue_discard(0000000005bce982, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.895306][ T5111] blkno = 8000000000400, nblocks = 400 [ 83.896169][ T5111] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.896169][ T5111] [ 83.899665][ T4846] BUG: Bad page state in process syz-executor pfn:11c1dd [ 83.900740][ T4846] page:000000006bece5f6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11c1dd [ 83.902880][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.904420][ T4846] raw: 05ffc00000002006 fffffc00031e3688 ffff80001f5175c0 0000000000000000 [ 83.905794][ T4846] raw: 0000000000000004 ffff0000cd09b8b8 00000000ffffffff 0000000000000000 [ 83.907198][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.908336][ T4846] Modules linked in: [ 83.908966][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.910413][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.912099][ T4846] Call trace: [ 83.912636][ T4846] dump_backtrace+0x0/0x458 [ 83.913346][ T4846] show_stack+0x2c/0x3c [ 83.913996][ T4846] __dump_stack+0x30/0x40 [ 83.914682][ T4846] dump_stack_lvl+0xf4/0x15c [ 83.915444][ T4846] dump_stack+0x1c/0x5c [ 83.916135][ T4846] bad_page+0x188/0x1a8 [ 83.916771][ T4846] check_free_page_bad+0xf4/0x16c [ 83.917593][ T4846] free_unref_page_prepare+0x738/0xa84 [ 83.918492][ T4846] free_unref_page_list+0xdc/0x730 [ 83.919342][ T4846] release_pages+0x13bc/0x16dc [ 83.920125][ T4846] __pagevec_release+0x84/0xf8 [ 83.920880][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 83.921794][ T4846] truncate_inode_pages+0x2c/0x3c [ 83.922604][ T4846] dbUnmount+0xf4/0x168 [ 83.923273][ T4846] jfs_umount+0x1c4/0x328 [ 83.923994][ T4846] jfs_put_super+0x90/0x188 [ 83.924754][ T4846] generic_shutdown_super+0x130/0x2f0 [ 83.925613][ T4846] kill_block_super+0x70/0xdc [ 83.926372][ T4846] deactivate_locked_super+0xb8/0x134 [ 83.927259][ T4846] deactivate_super+0xf0/0x110 [ 83.928041][ T4846] cleanup_mnt+0x3b8/0x46c [ 83.928754][ T4846] __cleanup_mnt+0x20/0x30 [ 83.929452][ T4846] task_work_run+0x12c/0x1d8 [ 83.930182][ T4846] do_notify_resume+0x2450/0x309c [ 83.930972][ T4846] el0_svc+0xf0/0x1d0 [ 83.931620][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 83.932449][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 84.084322][ T5113] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.084322][ T5113] [ 84.085689][ T5113] JFS: sb_issue_discard(00000000751b9fc9, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.087334][ T5113] blkno = 8000000000400, nblocks = 400 [ 84.088189][ T5113] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.088189][ T5113] [ 84.096124][ T4846] BUG: Bad page state in process syz-executor pfn:10ce44 [ 84.097290][ T4846] page:00000000e96d0739 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10ce44 [ 84.098977][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.100581][ T4846] raw: 05ffc00000002006 fffffc000343f008 ffff80001f5175c0 0000000000000000 [ 84.102509][ T4846] raw: 0000000000000004 ffff0000ca1983e0 00000000ffffffff 0000000000000000 [ 84.103824][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.104947][ T4846] Modules linked in: [ 84.105611][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.106945][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.108528][ T4846] Call trace: [ 84.109047][ T4846] dump_backtrace+0x0/0x458 [ 84.109780][ T4846] show_stack+0x2c/0x3c [ 84.110453][ T4846] __dump_stack+0x30/0x40 [ 84.111139][ T4846] dump_stack_lvl+0xf4/0x15c [ 84.111896][ T4846] dump_stack+0x1c/0x5c [ 84.112560][ T4846] bad_page+0x188/0x1a8 [ 84.113254][ T4846] check_free_page_bad+0xf4/0x16c [ 84.114078][ T4846] free_unref_page_prepare+0x738/0xa84 [ 84.114958][ T4846] free_unref_page_list+0xdc/0x730 [ 84.115807][ T4846] release_pages+0x13bc/0x16dc [ 84.116576][ T4846] __pagevec_release+0x84/0xf8 [ 84.117331][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 84.118221][ T4846] truncate_inode_pages+0x2c/0x3c [ 84.119013][ T4846] dbUnmount+0xf4/0x168 [ 84.119702][ T4846] jfs_umount+0x1c4/0x328 [ 84.120400][ T4846] jfs_put_super+0x90/0x188 [ 84.121130][ T4846] generic_shutdown_super+0x130/0x2f0 [ 84.121989][ T4846] kill_block_super+0x70/0xdc [ 84.122747][ T4846] deactivate_locked_super+0xb8/0x134 [ 84.123638][ T4846] deactivate_super+0xf0/0x110 [ 84.124389][ T4846] cleanup_mnt+0x3b8/0x46c [ 84.125086][ T4846] __cleanup_mnt+0x20/0x30 [ 84.125778][ T4846] task_work_run+0x12c/0x1d8 [ 84.126496][ T4846] do_notify_resume+0x2450/0x309c [ 84.127270][ T4846] el0_svc+0xf0/0x1d0 [ 84.127932][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 84.128715][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 84.288608][ T5115] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.288608][ T5115] [ 84.289951][ T5115] JFS: sb_issue_discard(00000000413cb230, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.291710][ T5115] blkno = 8000000000400, nblocks = 400 [ 84.292612][ T5115] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.292612][ T5115] [ 84.302659][ T4846] BUG: Bad page state in process syz-executor pfn:128f87 [ 84.303787][ T4846] page:00000000c07cd63b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x128f87 [ 84.305442][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.306993][ T4846] raw: 05ffc00000002006 fffffc00036c2b88 ffff80001f5175c0 0000000000000000 [ 84.308397][ T4846] raw: 0000000000000004 ffff0000e854f1f0 00000000ffffffff 0000000000000000 [ 84.309804][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.311715][ T4846] Modules linked in: [ 84.312521][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.313893][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.315500][ T4846] Call trace: [ 84.316007][ T4846] dump_backtrace+0x0/0x458 [ 84.316715][ T4846] show_stack+0x2c/0x3c [ 84.317356][ T4846] __dump_stack+0x30/0x40 [ 84.318027][ T4846] dump_stack_lvl+0xf4/0x15c [ 84.318775][ T4846] dump_stack+0x1c/0x5c [ 84.319458][ T4846] bad_page+0x188/0x1a8 [ 84.320133][ T4846] check_free_page_bad+0xf4/0x16c [ 84.320936][ T4846] free_unref_page_prepare+0x738/0xa84 [ 84.321816][ T4846] free_unref_page_list+0xdc/0x730 [ 84.322634][ T4846] release_pages+0x13bc/0x16dc [ 84.323419][ T4846] __pagevec_release+0x84/0xf8 [ 84.324217][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 84.325175][ T4846] truncate_inode_pages+0x2c/0x3c [ 84.326021][ T4846] dbUnmount+0xf4/0x168 [ 84.326735][ T4846] jfs_umount+0x1c4/0x328 [ 84.327483][ T4846] jfs_put_super+0x90/0x188 [ 84.328262][ T4846] generic_shutdown_super+0x130/0x2f0 [ 84.329145][ T4846] kill_block_super+0x70/0xdc [ 84.329928][ T4846] deactivate_locked_super+0xb8/0x134 [ 84.330832][ T4846] deactivate_super+0xf0/0x110 [ 84.331615][ T4846] cleanup_mnt+0x3b8/0x46c [ 84.332359][ T4846] __cleanup_mnt+0x20/0x30 [ 84.333095][ T4846] task_work_run+0x12c/0x1d8 [ 84.333869][ T4846] do_notify_resume+0x2450/0x309c [ 84.334694][ T4846] el0_svc+0xf0/0x1d0 [ 84.335314][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 84.336102][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 84.508691][ T5117] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.508691][ T5117] [ 84.510078][ T5117] JFS: sb_issue_discard(000000009d8eeeab, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.511956][ T5117] blkno = 8000000000400, nblocks = 400 [ 84.512832][ T5117] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.512832][ T5117] [ 84.516133][ T4846] BUG: Bad page state in process syz-executor pfn:108b5a [ 84.517236][ T4846] page:00000000477ad269 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108b5a [ 84.518799][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.520311][ T4846] raw: 05ffc00000002006 fffffc00032d6048 ffff80001f5175c0 0000000000000000 [ 84.522961][ T4846] raw: 0000000000000004 ffff0000cbd719b0 00000000ffffffff 0000000000000000 [ 84.524302][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.525470][ T4846] Modules linked in: [ 84.526091][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.527440][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.528935][ T4846] Call trace: [ 84.529429][ T4846] dump_backtrace+0x0/0x458 [ 84.530113][ T4846] show_stack+0x2c/0x3c [ 84.530740][ T4846] __dump_stack+0x30/0x40 [ 84.531420][ T4846] dump_stack_lvl+0xf4/0x15c [ 84.532207][ T4846] dump_stack+0x1c/0x5c [ 84.532917][ T4846] bad_page+0x188/0x1a8 [ 84.533631][ T4846] check_free_page_bad+0xf4/0x16c [ 84.534489][ T4846] free_unref_page_prepare+0x738/0xa84 [ 84.535417][ T4846] free_unref_page_list+0xdc/0x730 [ 84.536244][ T4846] release_pages+0x13bc/0x16dc [ 84.537027][ T4846] __pagevec_release+0x84/0xf8 [ 84.537829][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 84.538755][ T4846] truncate_inode_pages+0x2c/0x3c [ 84.539547][ T4846] dbUnmount+0xf4/0x168 [ 84.540222][ T4846] jfs_umount+0x1c4/0x328 [ 84.540898][ T4846] jfs_put_super+0x90/0x188 [ 84.541610][ T4846] generic_shutdown_super+0x130/0x2f0 [ 84.542465][ T4846] kill_block_super+0x70/0xdc [ 84.543210][ T4846] deactivate_locked_super+0xb8/0x134 [ 84.544070][ T4846] deactivate_super+0xf0/0x110 [ 84.544837][ T4846] cleanup_mnt+0x3b8/0x46c [ 84.545531][ T4846] __cleanup_mnt+0x20/0x30 [ 84.546226][ T4846] task_work_run+0x12c/0x1d8 [ 84.546942][ T4846] do_notify_resume+0x2450/0x309c [ 84.547734][ T4846] el0_svc+0xf0/0x1d0 [ 84.548355][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 84.549181][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 84.726207][ T5119] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.726207][ T5119] [ 84.727606][ T5119] JFS: sb_issue_discard(0000000002776322, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.729188][ T5119] blkno = 8000000000400, nblocks = 400 [ 84.730073][ T5119] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.730073][ T5119] [ 84.733631][ T4846] BUG: Bad page state in process syz-executor pfn:105daf [ 84.734772][ T4846] page:00000000f5c150ed refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x105daf [ 84.736337][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.737916][ T4846] raw: 05ffc00000002006 fffffc0003a20788 ffff80001f5175c0 0000000000000000 [ 84.739304][ T4846] raw: 0000000000000004 ffff0000ca198e88 00000000ffffffff 0000000000000000 [ 84.740667][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.742675][ T4846] Modules linked in: [ 84.743291][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.744671][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.746280][ T4846] Call trace: [ 84.746808][ T4846] dump_backtrace+0x0/0x458 [ 84.747560][ T4846] show_stack+0x2c/0x3c [ 84.748181][ T4846] __dump_stack+0x30/0x40 [ 84.748886][ T4846] dump_stack_lvl+0xf4/0x15c [ 84.749594][ T4846] dump_stack+0x1c/0x5c [ 84.750242][ T4846] bad_page+0x188/0x1a8 [ 84.750869][ T4846] check_free_page_bad+0xf4/0x16c [ 84.751672][ T4846] free_unref_page_prepare+0x738/0xa84 [ 84.752517][ T4846] free_unref_page_list+0xdc/0x730 [ 84.753328][ T4846] release_pages+0x13bc/0x16dc [ 84.754127][ T4846] __pagevec_release+0x84/0xf8 [ 84.754848][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 84.755791][ T4846] truncate_inode_pages+0x2c/0x3c [ 84.756608][ T4846] dbUnmount+0xf4/0x168 [ 84.757308][ T4846] jfs_umount+0x1c4/0x328 [ 84.758054][ T4846] jfs_put_super+0x90/0x188 [ 84.758789][ T4846] generic_shutdown_super+0x130/0x2f0 [ 84.759667][ T4846] kill_block_super+0x70/0xdc [ 84.760433][ T4846] deactivate_locked_super+0xb8/0x134 [ 84.761303][ T4846] deactivate_super+0xf0/0x110 [ 84.762060][ T4846] cleanup_mnt+0x3b8/0x46c [ 84.762792][ T4846] __cleanup_mnt+0x20/0x30 [ 84.763539][ T4846] task_work_run+0x12c/0x1d8 [ 84.764313][ T4846] do_notify_resume+0x2450/0x309c [ 84.765184][ T4846] el0_svc+0xf0/0x1d0 [ 84.765838][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 84.766637][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 84.912396][ T5121] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.912396][ T5121] [ 84.913812][ T5121] JFS: sb_issue_discard(00000000f89dbae4, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.915482][ T5121] blkno = 8000000000400, nblocks = 400 [ 84.916343][ T5121] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.916343][ T5121] [ 84.919962][ T4846] BUG: Bad page state in process syz-executor pfn:12910e [ 84.921280][ T4846] page:0000000041942b70 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12910e [ 84.922856][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.924339][ T4846] raw: 05ffc00000002006 fffffc0003494848 ffff80001f5175c0 0000000000000000 [ 84.925652][ T4846] raw: 0000000000000004 ffff0000d54394d8 00000000ffffffff 0000000000000000 [ 84.927070][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.928196][ T4846] Modules linked in: [ 84.928822][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.930188][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.931665][ T4846] Call trace: [ 84.932156][ T4846] dump_backtrace+0x0/0x458 [ 84.932837][ T4846] show_stack+0x2c/0x3c [ 84.933449][ T4846] __dump_stack+0x30/0x40 [ 84.934106][ T4846] dump_stack_lvl+0xf4/0x15c [ 84.934789][ T4846] dump_stack+0x1c/0x5c [ 84.935414][ T4846] bad_page+0x188/0x1a8 [ 84.936036][ T4846] check_free_page_bad+0xf4/0x16c [ 84.936756][ T4846] free_unref_page_prepare+0x738/0xa84 [ 84.937554][ T4846] free_unref_page_list+0xdc/0x730 [ 84.938302][ T4846] release_pages+0x13bc/0x16dc [ 84.939000][ T4846] __pagevec_release+0x84/0xf8 [ 84.939699][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 84.940558][ T4846] truncate_inode_pages+0x2c/0x3c [ 84.941304][ T4846] dbUnmount+0xf4/0x168 [ 84.941918][ T4846] jfs_umount+0x1c4/0x328 [ 84.942561][ T4846] jfs_put_super+0x90/0x188 [ 84.943225][ T4846] generic_shutdown_super+0x130/0x2f0 [ 84.944020][ T4846] kill_block_super+0x70/0xdc [ 84.944721][ T4846] deactivate_locked_super+0xb8/0x134 [ 84.945505][ T4846] deactivate_super+0xf0/0x110 [ 84.946200][ T4846] cleanup_mnt+0x3b8/0x46c [ 84.946861][ T4846] __cleanup_mnt+0x20/0x30 [ 84.947571][ T4846] task_work_run+0x12c/0x1d8 [ 84.948270][ T4846] do_notify_resume+0x2450/0x309c [ 84.949040][ T4846] el0_svc+0xf0/0x1d0 [ 84.949645][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 84.950419][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 85.137548][ T5123] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.137548][ T5123] [ 85.138840][ T5123] JFS: sb_issue_discard(00000000ab31687e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.140491][ T5123] blkno = 8000000000400, nblocks = 400 [ 85.141637][ T5123] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.141637][ T5123] [ 85.145167][ T4846] BUG: Bad page state in process syz-executor pfn:12858e [ 85.146179][ T4846] page:00000000e7d21deb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12858e [ 85.147643][ T4846] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.148941][ T4846] raw: 05ffc00000002004 fffffc00030a78c8 ffff80001f5175c0 0000000000000000 [ 85.150211][ T4846] raw: 0000000000000004 ffff0000dc8c27c0 00000000ffffffff 0000000000000000 [ 85.152188][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.153340][ T4846] Modules linked in: [ 85.153974][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.155372][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.156987][ T4846] Call trace: [ 85.157493][ T4846] dump_backtrace+0x0/0x458 [ 85.158221][ T4846] show_stack+0x2c/0x3c [ 85.158904][ T4846] __dump_stack+0x30/0x40 [ 85.159619][ T4846] dump_stack_lvl+0xf4/0x15c [ 85.160321][ T4846] dump_stack+0x1c/0x5c [ 85.160953][ T4846] bad_page+0x188/0x1a8 [ 85.161649][ T4846] check_free_page_bad+0xf4/0x16c [ 85.162480][ T4846] free_unref_page_prepare+0x738/0xa84 [ 85.163343][ T4846] free_unref_page_list+0xdc/0x730 [ 85.164157][ T4846] release_pages+0x13bc/0x16dc [ 85.164959][ T4846] __pagevec_release+0x84/0xf8 [ 85.165757][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 85.166720][ T4846] truncate_inode_pages+0x2c/0x3c [ 85.167565][ T4846] dbUnmount+0xf4/0x168 [ 85.168270][ T4846] jfs_umount+0x1c4/0x328 [ 85.168997][ T4846] jfs_put_super+0x90/0x188 [ 85.169748][ T4846] generic_shutdown_super+0x130/0x2f0 [ 85.170656][ T4846] kill_block_super+0x70/0xdc [ 85.171448][ T4846] deactivate_locked_super+0xb8/0x134 [ 85.172349][ T4846] deactivate_super+0xf0/0x110 [ 85.173144][ T4846] cleanup_mnt+0x3b8/0x46c [ 85.173881][ T4846] __cleanup_mnt+0x20/0x30 [ 85.174589][ T4846] task_work_run+0x12c/0x1d8 [ 85.175328][ T4846] do_notify_resume+0x2450/0x309c [ 85.176141][ T4846] el0_svc+0xf0/0x1d0 [ 85.176798][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 85.177644][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 85.352422][ T5125] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.352422][ T5125] [ 85.353777][ T5125] JFS: sb_issue_discard(000000003f6c8b5d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.355434][ T5125] blkno = 8000000000400, nblocks = 400 [ 85.356313][ T5125] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.356313][ T5125] [ 85.359665][ T4846] BUG: Bad page state in process syz-executor pfn:100b24 [ 85.360869][ T4846] page:00000000ececa761 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x100b24 [ 85.362536][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.364111][ T4846] raw: 05ffc00000002006 fffffc0003494848 ffff80001f5175c0 0000000000000000 [ 85.365520][ T4846] raw: 0000000000000004 ffff0000dc8c2ba0 00000000ffffffff 0000000000000000 [ 85.366825][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.368002][ T4846] Modules linked in: [ 85.368644][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.370073][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.371637][ T4846] Call trace: [ 85.372186][ T4846] dump_backtrace+0x0/0x458 [ 85.372955][ T4846] show_stack+0x2c/0x3c [ 85.373660][ T4846] __dump_stack+0x30/0x40 [ 85.374394][ T4846] dump_stack_lvl+0xf4/0x15c [ 85.375169][ T4846] dump_stack+0x1c/0x5c [ 85.375884][ T4846] bad_page+0x188/0x1a8 [ 85.376585][ T4846] check_free_page_bad+0xf4/0x16c [ 85.377454][ T4846] free_unref_page_prepare+0x738/0xa84 [ 85.378393][ T4846] free_unref_page_list+0xdc/0x730 [ 85.379270][ T4846] release_pages+0x13bc/0x16dc [ 85.380084][ T4846] __pagevec_release+0x84/0xf8 [ 85.380844][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 85.381770][ T4846] truncate_inode_pages+0x2c/0x3c [ 85.382574][ T4846] dbUnmount+0xf4/0x168 [ 85.383224][ T4846] jfs_umount+0x1c4/0x328 [ 85.383926][ T4846] jfs_put_super+0x90/0x188 [ 85.384612][ T4846] generic_shutdown_super+0x130/0x2f0 [ 85.385446][ T4846] kill_block_super+0x70/0xdc [ 85.386183][ T4846] deactivate_locked_super+0xb8/0x134 [ 85.387032][ T4846] deactivate_super+0xf0/0x110 [ 85.387805][ T4846] cleanup_mnt+0x3b8/0x46c [ 85.388508][ T4846] __cleanup_mnt+0x20/0x30 [ 85.389246][ T4846] task_work_run+0x12c/0x1d8 [ 85.389970][ T4846] do_notify_resume+0x2450/0x309c [ 85.390775][ T4846] el0_svc+0xf0/0x1d0 [ 85.391416][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 85.392257][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 85.522904][ T5127] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.522904][ T5127] [ 85.524187][ T5127] JFS: sb_issue_discard(00000000d534a4f5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.525998][ T5127] blkno = 8000000000400, nblocks = 400 [ 85.526952][ T5127] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.526952][ T5127] [ 85.530601][ T4846] BUG: Bad page state in process syz-executor pfn:1111f6 [ 85.531883][ T4846] page:0000000004c72377 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1111f6 [ 85.533410][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.534895][ T4846] raw: 05ffc00000002006 fffffc0003a131c8 ffff80001f5175c0 0000000000000000 [ 85.536177][ T4846] raw: 0000000000000004 ffff0000ca81d6c8 00000000ffffffff 0000000000000000 [ 85.537480][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.538563][ T4846] Modules linked in: [ 85.539158][ T4846] CPU: 0 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.540470][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.541970][ T4846] Call trace: [ 85.542474][ T4846] dump_backtrace+0x0/0x458 [ 85.543168][ T4846] show_stack+0x2c/0x3c [ 85.543811][ T4846] __dump_stack+0x30/0x40 [ 85.544482][ T4846] dump_stack_lvl+0xf4/0x15c [ 85.545185][ T4846] dump_stack+0x1c/0x5c [ 85.545823][ T4846] bad_page+0x188/0x1a8 [ 85.546459][ T4846] check_free_page_bad+0xf4/0x16c [ 85.547223][ T4846] free_unref_page_prepare+0x738/0xa84 [ 85.548092][ T4846] free_unref_page_list+0xdc/0x730 [ 85.548908][ T4846] release_pages+0x13bc/0x16dc [ 85.549656][ T4846] __pagevec_release+0x84/0xf8 [ 85.550440][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 85.551385][ T4846] truncate_inode_pages+0x2c/0x3c [ 85.552215][ T4846] dbUnmount+0xf4/0x168 [ 85.552900][ T4846] jfs_umount+0x1c4/0x328 [ 85.553616][ T4846] jfs_put_super+0x90/0x188 [ 85.554362][ T4846] generic_shutdown_super+0x130/0x2f0 [ 85.555240][ T4846] kill_block_super+0x70/0xdc [ 85.556008][ T4846] deactivate_locked_super+0xb8/0x134 [ 85.556894][ T4846] deactivate_super+0xf0/0x110 [ 85.557672][ T4846] cleanup_mnt+0x3b8/0x46c [ 85.558403][ T4846] __cleanup_mnt+0x20/0x30 [ 85.559137][ T4846] task_work_run+0x12c/0x1d8 [ 85.559903][ T4846] do_notify_resume+0x2450/0x309c [ 85.560735][ T4846] el0_svc+0xf0/0x1d0 [ 85.561397][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 85.562193][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 85.726853][ T5129] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.726853][ T5129] [ 85.728276][ T5129] JFS: sb_issue_discard(00000000515b41be, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.730097][ T5129] blkno = 8000000000400, nblocks = 400 [ 85.731220][ T5129] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.731220][ T5129] [ 85.734581][ T4846] BUG: Bad page state in process syz-executor pfn:10d960 [ 85.735823][ T4846] page:00000000988dd57e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d960 [ 85.737456][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.738965][ T4846] raw: 05ffc00000002006 fffffc00035bfc88 ffff80001f5175c0 0000000000000000 [ 85.740301][ T4846] raw: 0000000000000004 ffff0000d1d8c9b0 00000000ffffffff 0000000000000000 [ 85.742146][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.743262][ T4846] Modules linked in: [ 85.743887][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.745305][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.746846][ T4846] Call trace: [ 85.747349][ T4846] dump_backtrace+0x0/0x458 [ 85.748054][ T4846] show_stack+0x2c/0x3c [ 85.748696][ T4846] __dump_stack+0x30/0x40 [ 85.749355][ T4846] dump_stack_lvl+0xf4/0x15c [ 85.750058][ T4846] dump_stack+0x1c/0x5c [ 85.750709][ T4846] bad_page+0x188/0x1a8 [ 85.751367][ T4846] check_free_page_bad+0xf4/0x16c [ 85.752155][ T4846] free_unref_page_prepare+0x738/0xa84 [ 85.753013][ T4846] free_unref_page_list+0xdc/0x730 [ 85.753815][ T4846] release_pages+0x13bc/0x16dc [ 85.754575][ T4846] __pagevec_release+0x84/0xf8 [ 85.755325][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 85.756223][ T4846] truncate_inode_pages+0x2c/0x3c [ 85.757002][ T4846] dbUnmount+0xf4/0x168 [ 85.757648][ T4846] jfs_umount+0x1c4/0x328 [ 85.758321][ T4846] jfs_put_super+0x90/0x188 [ 85.759019][ T4846] generic_shutdown_super+0x130/0x2f0 [ 85.759853][ T4846] kill_block_super+0x70/0xdc [ 85.760621][ T4846] deactivate_locked_super+0xb8/0x134 [ 85.761498][ T4846] deactivate_super+0xf0/0x110 [ 85.762281][ T4846] cleanup_mnt+0x3b8/0x46c [ 85.763003][ T4846] __cleanup_mnt+0x20/0x30 [ 85.763716][ T4846] task_work_run+0x12c/0x1d8 [ 85.764451][ T4846] do_notify_resume+0x2450/0x309c [ 85.765255][ T4846] el0_svc+0xf0/0x1d0 [ 85.765883][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 85.766675][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 85.932395][ T5131] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.932395][ T5131] [ 85.933773][ T5131] JFS: sb_issue_discard(0000000086507ba0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.935504][ T5131] blkno = 8000000000400, nblocks = 400 [ 85.936382][ T5131] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.936382][ T5131] [ 85.939700][ T4846] BUG: Bad page state in process syz-executor pfn:12b279 [ 85.940805][ T4846] page:00000000af121dec refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b279 [ 85.942593][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.944115][ T4846] raw: 05ffc00000002006 fffffc00032c64c8 ffff80001f5175c0 0000000000000000 [ 85.945439][ T4846] raw: 0000000000000004 ffff0000c9c388b8 00000000ffffffff 0000000000000000 [ 85.946734][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.947847][ T4846] Modules linked in: [ 85.948454][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.949789][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.951291][ T4846] Call trace: [ 85.951796][ T4846] dump_backtrace+0x0/0x458 [ 85.952514][ T4846] show_stack+0x2c/0x3c [ 85.953212][ T4846] __dump_stack+0x30/0x40 [ 85.953934][ T4846] dump_stack_lvl+0xf4/0x15c [ 85.954694][ T4846] dump_stack+0x1c/0x5c [ 85.955380][ T4846] bad_page+0x188/0x1a8 [ 85.956044][ T4846] check_free_page_bad+0xf4/0x16c [ 85.956833][ T4846] free_unref_page_prepare+0x738/0xa84 [ 85.957669][ T4846] free_unref_page_list+0xdc/0x730 [ 85.958496][ T4846] release_pages+0x13bc/0x16dc [ 85.959235][ T4846] __pagevec_release+0x84/0xf8 [ 85.960016][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 85.960923][ T4846] truncate_inode_pages+0x2c/0x3c [ 85.961697][ T4846] dbUnmount+0xf4/0x168 [ 85.962382][ T4846] jfs_umount+0x1c4/0x328 [ 85.963061][ T4846] jfs_put_super+0x90/0x188 [ 85.963788][ T4846] generic_shutdown_super+0x130/0x2f0 [ 85.964650][ T4846] kill_block_super+0x70/0xdc [ 85.965397][ T4846] deactivate_locked_super+0xb8/0x134 [ 85.966234][ T4846] deactivate_super+0xf0/0x110 [ 85.966949][ T4846] cleanup_mnt+0x3b8/0x46c [ 85.967605][ T4846] __cleanup_mnt+0x20/0x30 [ 85.968269][ T4846] task_work_run+0x12c/0x1d8 [ 85.968988][ T4846] do_notify_resume+0x2450/0x309c [ 85.969796][ T4846] el0_svc+0xf0/0x1d0 [ 85.970423][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 85.971234][ T4846] el0t_64_sync+0x1a0/0x1a4 [ 86.145262][ T5133] ERROR: (device loop0): dbDiscardAG: -EIO [ 86.145262][ T5133] [ 86.146544][ T5133] JFS: sb_issue_discard(0000000034ca95b2, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 86.148257][ T5133] blkno = 8000000000400, nblocks = 400 [ 86.149107][ T5133] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 86.149107][ T5133] [ 86.153120][ T4846] BUG: Bad page state in process syz-executor pfn:10840d [ 86.154132][ T4846] page:00000000ef2f0f7d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10840d [ 86.155703][ T4846] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.157281][ T4846] raw: 05ffc00000002006 fffffc0003782b08 ffff80001f5175c0 0000000000000000 [ 86.158668][ T4846] raw: 0000000000000004 ffff0000c69bb4d8 00000000ffffffff 0000000000000000 [ 86.159994][ T4846] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.161601][ T4846] Modules linked in: [ 86.162219][ T4846] CPU: 1 PID: 4846 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.163707][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.165244][ T4846] Call trace: [ 86.165743][ T4846] dump_backtrace+0x0/0x458 [ 86.166435][ T4846] show_stack+0x2c/0x3c [ 86.167059][ T4846] __dump_stack+0x30/0x40 [ 86.167706][ T4846] dump_stack_lvl+0xf4/0x15c [ 86.168388][ T4846] dump_stack+0x1c/0x5c [ 86.169037][ T4846] bad_page+0x188/0x1a8 [ 86.169689][ T4846] check_free_page_bad+0xf4/0x16c [ 86.170512][ T4846] free_unref_page_prepare+0x738/0xa84 [ 86.171385][ T4846] free_unref_page_list+0xdc/0x730 [ 86.172217][ T4846] release_pages+0x13bc/0x16dc [ 86.173013][ T4846] __pagevec_release+0x84/0xf8 [ 86.173808][ T4846] truncate_inode_pages_range+0x2c8/0xa04 [ 86.174748][ T4846] truncate_inode_pages+0x2c/0x3c [ 86.175528][ T4846] dbUnmount+0xf4/0x168 [ 86.176186][ T4846] jfs_umount+0x1c4/0x328 [ 86.176881][ T4846] jfs_put_super+0x90/0x188 [ 86.177605][ T4846] generic_shutdown_super+0x130/0x2f0 [ 86.178446][ T4846] kill_block_super+0x70/0xdc [ 86.179171][ T4846] deactivate_locked_super+0xb8/0x134 [ 86.179991][ T4846] deactivate_super+0xf0/0x110 [ 86.180726][ T4846] cleanup_mnt+0x3b8/0x46c [ 86.181405][ T4846] __cleanup_mnt+0x20/0x30 [ 86.182083][ T4846] task_work_run+0x12c/0x1d8 [ 86.182777][ T4846] do_notify_resume+0x2450/0x309c [ 86.183546][ T4846] el0_svc+0xf0/0x1d0 [ 86.184155][ T4846] el0t_64_sync_handler+0xcc/0xe4 [ 86.184908][ T4846] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:26 executed programs: 51