Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 parsed 1 programs [ 66.008193][ T4383] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 67.387054][ T4495] chnl_net:caif_netlink_parms(): no params data found [ 67.405111][ T4495] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.406346][ T4495] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.407980][ T4495] device bridge_slave_0 entered promiscuous mode [ 67.410382][ T4495] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.411672][ T4495] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.413135][ T4495] device bridge_slave_1 entered promiscuous mode [ 67.420634][ T4495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.423034][ T4495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.430505][ T4495] team0: Port device team_slave_0 added [ 67.432744][ T4495] team0: Port device team_slave_1 added [ 67.439125][ T4495] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.440296][ T4495] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.444598][ T4495] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.448241][ T4495] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.449991][ T4495] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.454602][ T4495] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.509822][ T4495] device hsr_slave_0 entered promiscuous mode [ 67.548836][ T4495] device hsr_slave_1 entered promiscuous mode [ 68.185487][ T4495] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.201751][ T4495] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.259726][ T4495] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.300538][ T4495] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.370020][ T4495] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.371175][ T4495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.372454][ T4495] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.373618][ T4495] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.392520][ T4495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.396862][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.398484][ T1680] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.406940][ T1680] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.409904][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.414189][ T4495] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.416673][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.418244][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.420460][ T1680] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.421693][ T1680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.428313][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.430108][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.431581][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.432731][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.434117][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.441341][ T4495] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.442858][ T4495] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.449857][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.451639][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.453191][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.454689][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.456248][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.457852][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.469806][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.471568][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.473037][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.474602][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.476087][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.566104][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.567547][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.572397][ T4495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.577584][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.579315][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.587351][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.589070][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.590869][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.592226][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.595243][ T4495] device veth0_vlan entered promiscuous mode [ 68.598389][ T4495] device veth1_vlan entered promiscuous mode [ 68.616722][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.618266][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.621699][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.623184][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.626589][ T4495] device veth0_macvtap entered promiscuous mode [ 68.630084][ T4495] device veth1_macvtap entered promiscuous mode [ 68.638260][ T4495] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.640096][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.641616][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.643080][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.644520][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.647644][ T4495] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.649712][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.651167][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.653868][ T4495] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.655371][ T4495] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.656780][ T4495] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.658177][ T4495] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.333840][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.609967][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.611167][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.619657][ T2425] cfg80211: failed to load regulatory.db [ 71.691613][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.361434][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.422263][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.790983][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.792315][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.793681][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.807631][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.809582][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.810782][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:15 executed programs: 0 [ 75.243956][ T4965] chnl_net:caif_netlink_parms(): no params data found [ 75.261480][ T4965] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.262677][ T4965] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.264214][ T4965] device bridge_slave_0 entered promiscuous mode [ 75.266331][ T4965] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.267534][ T4965] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.269818][ T4965] device bridge_slave_1 entered promiscuous mode [ 75.277726][ T4965] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.280309][ T4965] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.288156][ T4965] team0: Port device team_slave_0 added [ 75.291265][ T4965] team0: Port device team_slave_1 added [ 75.298099][ T4965] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.299452][ T4965] 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. [ 75.303601][ T4965] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.306082][ T4965] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.307192][ T4965] 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. [ 75.312764][ T4965] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.369854][ T4965] device hsr_slave_0 entered promiscuous mode [ 75.388817][ T4965] device hsr_slave_1 entered promiscuous mode [ 75.438698][ T4965] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.439898][ T4965] Cannot create hsr debugfs directory [ 75.916716][ T4965] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.950363][ T4965] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.016520][ T4965] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.049728][ T4965] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.113370][ T4965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.117242][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.118838][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.129105][ T4965] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.132322][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.134053][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.135566][ T1680] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.136746][ T1680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.138295][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.143487][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.145152][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.146688][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.147839][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.149598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.155646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.157577][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.161023][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.162637][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.164310][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.168293][ T4965] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.171171][ T4965] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.186232][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.187827][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.189869][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.191582][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.193222][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.201124][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.236001][ T4965] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.239670][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.240832][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.246960][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.248576][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.255644][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.257115][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.260697][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.262111][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.264724][ T4965] device veth0_vlan entered promiscuous mode [ 76.268696][ T4965] device veth1_vlan entered promiscuous mode [ 76.275817][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.277239][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.280618][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.282318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.285227][ T4965] device veth0_macvtap entered promiscuous mode [ 76.287718][ T4965] device veth1_macvtap entered promiscuous mode [ 76.293855][ T4965] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.295427][ T4965] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.297781][ T4965] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.300410][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.301900][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.303449][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.304949][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.307916][ T4965] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.310468][ T4965] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.312780][ T4965] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.314068][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.315499][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.318254][ T4965] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.321128][ T4965] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.322541][ T4965] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.323883][ T4965] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.361337][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.362610][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.363964][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.375509][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.376766][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.378072][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.515892][ T5097] loop0: detected capacity change from 0 to 32768 [ 76.549218][ T5097] ======================================================= [ 76.549218][ T5097] WARNING: The mand mount option has been deprecated and [ 76.549218][ T5097] and is ignored by this kernel. Remove the mand [ 76.549218][ T5097] option from the mount to silence this warning. [ 76.549218][ T5097] ======================================================= [ 76.564203][ T5097] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.564203][ T5097] [ 76.565650][ T5097] attempt to access beyond end of device [ 76.565650][ T5097] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.567792][ T5097] JFS: sb_issue_discard(00000000fae8c916, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.570313][ T5097] blkno = 8000000000400, nblocks = 400 [ 76.571180][ T5097] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.571180][ T5097] [ 76.576016][ T4965] BUG: Bad page state in process syz-executor pfn:11563b [ 76.577201][ T4965] page:00000000aea507f4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11563b [ 76.579830][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.581400][ T4965] raw: 05ffc00000002006 fffffc0003237b88 ffff80001f5675c0 0000000000000000 [ 76.582855][ T4965] raw: 0000000000000004 ffff0000cac7c9b0 00000000ffffffff 0000000000000000 [ 76.584326][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.585555][ T4965] Modules linked in: [ 76.586211][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Not tainted syzkaller #0 [ 76.587414][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.589134][ T4965] Call trace: [ 76.589626][ T4965] dump_backtrace+0x0/0x458 [ 76.590376][ T4965] show_stack+0x2c/0x3c [ 76.591020][ T4965] __dump_stack+0x30/0x40 [ 76.591741][ T4965] dump_stack_lvl+0xf4/0x15c [ 76.592458][ T4965] dump_stack+0x1c/0x5c [ 76.593144][ T4965] bad_page+0x188/0x1a8 [ 76.593794][ T4965] check_free_page_bad+0xf4/0x16c [ 76.594542][ T4965] free_unref_page_prepare+0x738/0xa84 [ 76.595358][ T4965] free_unref_page_list+0xdc/0x730 [ 76.596077][ T4965] release_pages+0x13bc/0x16dc [ 76.596754][ T4965] __pagevec_release+0x84/0xf8 [ 76.597443][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 76.598238][ T4965] truncate_inode_pages+0x2c/0x3c [ 76.599001][ T4965] dbUnmount+0xf4/0x168 [ 76.599603][ T4965] jfs_umount+0x1c4/0x328 [ 76.600211][ T4965] jfs_put_super+0x90/0x188 [ 76.600852][ T4965] generic_shutdown_super+0x130/0x2f0 [ 76.601670][ T4965] kill_block_super+0x70/0xdc [ 76.602336][ T4965] deactivate_locked_super+0xb8/0x134 [ 76.603104][ T4965] deactivate_super+0xf0/0x110 [ 76.603779][ T4965] cleanup_mnt+0x3b8/0x46c [ 76.604412][ T4965] __cleanup_mnt+0x20/0x30 [ 76.605033][ T4965] task_work_run+0x12c/0x1d8 [ 76.605705][ T4965] do_notify_resume+0x2450/0x309c [ 76.606464][ T4965] el0_svc+0xf0/0x1d0 [ 76.607070][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 76.607848][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 76.610565][ T4965] Disabling lock debugging due to kernel taint [ 76.728069][ T5103] loop0: detected capacity change from 0 to 32768 [ 76.740477][ T5103] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.740477][ T5103] [ 76.741864][ T5103] attempt to access beyond end of device [ 76.741864][ T5103] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.743822][ T5103] JFS: sb_issue_discard(000000000146b776, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.745449][ T5103] blkno = 8000000000400, nblocks = 400 [ 76.746388][ T5103] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.746388][ T5103] [ 76.750074][ T4965] BUG: Bad page state in process syz-executor pfn:12ca20 [ 76.751260][ T4965] page:00000000abcc78de refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12ca20 [ 76.752953][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.754489][ T4965] raw: 05ffc00000002006 fffffc0003294a48 ffff80001f5675c0 0000000000000000 [ 76.755981][ T4965] raw: 0000000000000004 ffff0000cf6783e0 00000000ffffffff 0000000000000000 [ 76.757489][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.759097][ T4965] Modules linked in: [ 76.759702][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.761226][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.762918][ T4965] Call trace: [ 76.763425][ T4965] dump_backtrace+0x0/0x458 [ 76.764126][ T4965] show_stack+0x2c/0x3c [ 76.764796][ T4965] __dump_stack+0x30/0x40 [ 76.765493][ T4965] dump_stack_lvl+0xf4/0x15c [ 76.766195][ T4965] dump_stack+0x1c/0x5c [ 76.766889][ T4965] bad_page+0x188/0x1a8 [ 76.767535][ T4965] check_free_page_bad+0xf4/0x16c [ 76.768315][ T4965] free_unref_page_prepare+0x738/0xa84 [ 76.769182][ T4965] free_unref_page_list+0xdc/0x730 [ 76.770031][ T4965] release_pages+0x13bc/0x16dc [ 76.770838][ T4965] __pagevec_release+0x84/0xf8 [ 76.771593][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 76.772512][ T4965] truncate_inode_pages+0x2c/0x3c [ 76.773304][ T4965] dbUnmount+0xf4/0x168 [ 76.773958][ T4965] jfs_umount+0x1c4/0x328 [ 76.774641][ T4965] jfs_put_super+0x90/0x188 [ 76.775398][ T4965] generic_shutdown_super+0x130/0x2f0 [ 76.776292][ T4965] kill_block_super+0x70/0xdc [ 76.777078][ T4965] deactivate_locked_super+0xb8/0x134 [ 76.777927][ T4965] deactivate_super+0xf0/0x110 [ 76.778693][ T4965] cleanup_mnt+0x3b8/0x46c [ 76.779360][ T4965] __cleanup_mnt+0x20/0x30 [ 76.780082][ T4965] task_work_run+0x12c/0x1d8 [ 76.780822][ T4965] do_notify_resume+0x2450/0x309c [ 76.781662][ T4965] el0_svc+0xf0/0x1d0 [ 76.782302][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 76.783128][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 76.895808][ T5105] loop0: detected capacity change from 0 to 32768 [ 76.902273][ T5105] ERROR: (device loop0): dbDiscardAG: -EIO [ 76.902273][ T5105] [ 76.903685][ T5105] attempt to access beyond end of device [ 76.903685][ T5105] loop0: rw=2051, want=18014398509498368, limit=32768 [ 76.905650][ T5105] JFS: sb_issue_discard(000000007de85479, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 76.907304][ T5105] blkno = 8000000000400, nblocks = 400 [ 76.908190][ T5105] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 76.908190][ T5105] [ 76.911575][ T4965] BUG: Bad page state in process syz-executor pfn:1011e8 [ 76.912756][ T4965] page:00000000e28de141 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1011e8 [ 76.914390][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 76.916040][ T4965] raw: 05ffc00000002006 fffffc0003691288 ffff80001f5675c0 0000000000000000 [ 76.917476][ T4965] raw: 0000000000000004 ffff0000d2a32aa8 00000000ffffffff 0000000000000000 [ 76.920353][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 76.922020][ T4965] Modules linked in: [ 76.922613][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 76.923949][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.925616][ T4965] Call trace: [ 76.926173][ T4965] dump_backtrace+0x0/0x458 [ 76.926878][ T4965] show_stack+0x2c/0x3c [ 76.927564][ T4965] __dump_stack+0x30/0x40 [ 76.928302][ T4965] dump_stack_lvl+0xf4/0x15c [ 76.929083][ T4965] dump_stack+0x1c/0x5c [ 76.929837][ T4965] bad_page+0x188/0x1a8 [ 76.930537][ T4965] check_free_page_bad+0xf4/0x16c [ 76.931289][ T4965] free_unref_page_prepare+0x738/0xa84 [ 76.932312][ T4965] free_unref_page_list+0xdc/0x730 [ 76.933191][ T4965] release_pages+0x13bc/0x16dc [ 76.934036][ T4965] __pagevec_release+0x84/0xf8 [ 76.934819][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 76.935790][ T4965] truncate_inode_pages+0x2c/0x3c [ 76.936700][ T4965] dbUnmount+0xf4/0x168 [ 76.937464][ T4965] jfs_umount+0x1c4/0x328 [ 76.938230][ T4965] jfs_put_super+0x90/0x188 [ 76.939075][ T4965] generic_shutdown_super+0x130/0x2f0 [ 76.940006][ T4965] kill_block_super+0x70/0xdc [ 76.940809][ T4965] deactivate_locked_super+0xb8/0x134 [ 76.941715][ T4965] deactivate_super+0xf0/0x110 [ 76.942558][ T4965] cleanup_mnt+0x3b8/0x46c [ 76.943293][ T4965] __cleanup_mnt+0x20/0x30 [ 76.944042][ T4965] task_work_run+0x12c/0x1d8 [ 76.944825][ T4965] do_notify_resume+0x2450/0x309c [ 76.945714][ T4965] el0_svc+0xf0/0x1d0 [ 76.946397][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 76.947248][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 77.096459][ T5107] loop0: detected capacity change from 0 to 32768 [ 77.100280][ T148] device hsr_slave_0 left promiscuous mode [ 77.138863][ T148] device hsr_slave_1 left promiscuous mode [ 77.143980][ T5107] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.143980][ T5107] [ 77.145330][ T5107] attempt to access beyond end of device [ 77.145330][ T5107] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.147366][ T5107] JFS: sb_issue_discard(000000008f0e023c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.149272][ T5107] blkno = 8000000000400, nblocks = 400 [ 77.150122][ T5107] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.150122][ T5107] [ 77.154280][ T4965] BUG: Bad page state in process syz-executor pfn:12c7bd [ 77.155476][ T4965] page:0000000068553154 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12c7bd [ 77.157214][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.158897][ T4965] raw: 05ffc00000002006 fffffc0003550f48 ffff80001f5675c0 0000000000000000 [ 77.160442][ T4965] raw: 0000000000000004 ffff0000cfe185d0 00000000ffffffff 0000000000000000 [ 77.161878][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.163191][ T4965] Modules linked in: [ 77.163797][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.165303][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.166956][ T4965] Call trace: [ 77.167500][ T4965] dump_backtrace+0x0/0x458 [ 77.168346][ T4965] show_stack+0x2c/0x3c [ 77.169056][ T4965] __dump_stack+0x30/0x40 [ 77.169784][ T4965] dump_stack_lvl+0xf4/0x15c [ 77.170560][ T4965] dump_stack+0x1c/0x5c [ 77.171313][ T4965] bad_page+0x188/0x1a8 [ 77.171973][ T4965] check_free_page_bad+0xf4/0x16c [ 77.172810][ T4965] free_unref_page_prepare+0x738/0xa84 [ 77.173721][ T4965] free_unref_page_list+0xdc/0x730 [ 77.174572][ T4965] release_pages+0x13bc/0x16dc [ 77.175339][ T4965] __pagevec_release+0x84/0xf8 [ 77.176060][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 77.177017][ T4965] truncate_inode_pages+0x2c/0x3c [ 77.177870][ T4965] dbUnmount+0xf4/0x168 [ 77.178579][ T4965] jfs_umount+0x1c4/0x328 [ 77.179276][ T4965] jfs_put_super+0x90/0x188 [ 77.180000][ T4965] generic_shutdown_super+0x130/0x2f0 [ 77.180847][ T4965] kill_block_super+0x70/0xdc [ 77.181579][ T4965] deactivate_locked_super+0xb8/0x134 [ 77.182439][ T4965] deactivate_super+0xf0/0x110 [ 77.183229][ T4965] cleanup_mnt+0x3b8/0x46c [ 77.183977][ T4965] __cleanup_mnt+0x20/0x30 [ 77.184709][ T4965] task_work_run+0x12c/0x1d8 [ 77.185467][ T4965] do_notify_resume+0x2450/0x309c [ 77.186253][ T4965] el0_svc+0xf0/0x1d0 [ 77.186866][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 77.187657][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 77.208790][ T4172] Bluetooth: hci0: command 0x0409 tx timeout [ 77.228661][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.229920][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.231502][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.232659][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.233990][ T148] device bridge_slave_1 left promiscuous mode [ 77.234993][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.259920][ T148] device bridge_slave_0 left promiscuous mode [ 77.260876][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.298389][ T5109] loop0: detected capacity change from 0 to 32768 [ 77.353024][ T5109] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.353024][ T5109] [ 77.354464][ T5109] attempt to access beyond end of device [ 77.354464][ T5109] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.356374][ T5109] JFS: sb_issue_discard(00000000b0a26b0c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.358087][ T5109] blkno = 8000000000400, nblocks = 400 [ 77.359130][ T5109] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.359130][ T5109] [ 77.362411][ T4965] BUG: Bad page state in process syz-executor pfn:1107a8 [ 77.363545][ T4965] page:000000003d29d678 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1107a8 [ 77.365289][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.366978][ T4965] raw: 05ffc00000002006 fffffc0003349908 ffff80001f5675c0 0000000000000000 [ 77.368355][ T4965] raw: 0000000000000004 ffff0000cc2080f8 00000000ffffffff 0000000000000000 [ 77.371104][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.372305][ T4965] Modules linked in: [ 77.373030][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.374570][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.376215][ T4965] Call trace: [ 77.376723][ T4965] dump_backtrace+0x0/0x458 [ 77.377471][ T4965] show_stack+0x2c/0x3c [ 77.378144][ T4965] __dump_stack+0x30/0x40 [ 77.378841][ T4965] dump_stack_lvl+0xf4/0x15c [ 77.379574][ T4965] dump_stack+0x1c/0x5c [ 77.380217][ T4965] bad_page+0x188/0x1a8 [ 77.380847][ T4965] check_free_page_bad+0xf4/0x16c [ 77.381715][ T4965] free_unref_page_prepare+0x738/0xa84 [ 77.382628][ T4965] free_unref_page_list+0xdc/0x730 [ 77.383544][ T4965] release_pages+0x13bc/0x16dc [ 77.384346][ T4965] __pagevec_release+0x84/0xf8 [ 77.385159][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 77.386110][ T4965] truncate_inode_pages+0x2c/0x3c [ 77.386983][ T4965] dbUnmount+0xf4/0x168 [ 77.387716][ T4965] jfs_umount+0x1c4/0x328 [ 77.388443][ T4965] jfs_put_super+0x90/0x188 [ 77.389225][ T4965] generic_shutdown_super+0x130/0x2f0 [ 77.390182][ T4965] kill_block_super+0x70/0xdc [ 77.391057][ T4965] deactivate_locked_super+0xb8/0x134 [ 77.392000][ T4965] deactivate_super+0xf0/0x110 [ 77.392776][ T4965] cleanup_mnt+0x3b8/0x46c [ 77.393528][ T4965] __cleanup_mnt+0x20/0x30 [ 77.394289][ T4965] task_work_run+0x12c/0x1d8 [ 77.395001][ T4965] do_notify_resume+0x2450/0x309c [ 77.395849][ T4965] el0_svc+0xf0/0x1d0 [ 77.396517][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 77.397303][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 77.398349][ T148] device veth1_macvtap left promiscuous mode [ 77.399343][ T148] device veth0_macvtap left promiscuous mode [ 77.400300][ T148] device veth1_vlan left promiscuous mode [ 77.401131][ T148] device veth0_vlan left promiscuous mode [ 77.487289][ T148] team0 (unregistering): Port device team_slave_1 removed [ 77.490892][ T148] team0 (unregistering): Port device team_slave_0 removed [ 77.493888][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.522858][ T5111] loop0: detected capacity change from 0 to 32768 [ 77.527972][ T5111] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.527972][ T5111] [ 77.529446][ T5111] attempt to access beyond end of device [ 77.529446][ T5111] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.531285][ T5111] JFS: sb_issue_discard(000000002688589e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.532969][ T5111] blkno = 8000000000400, nblocks = 400 [ 77.533858][ T5111] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.533858][ T5111] [ 77.537771][ T4965] BUG: Bad page state in process syz-executor pfn:10aa78 [ 77.538999][ T4965] page:000000007d2e172e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10aa78 [ 77.540721][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.542306][ T4965] raw: 05ffc00000002006 fffffc00035284c8 ffff80001f5675c0 0000000000000000 [ 77.543900][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.543934][ T4965] raw: 0000000000000004 ffff0000cc208ba0 00000000ffffffff 0000000000000000 [ 77.546729][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.547860][ T4965] Modules linked in: [ 77.548486][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.549876][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.551434][ T4965] Call trace: [ 77.552005][ T4965] dump_backtrace+0x0/0x458 [ 77.552723][ T4965] show_stack+0x2c/0x3c [ 77.553416][ T4965] __dump_stack+0x30/0x40 [ 77.554110][ T4965] dump_stack_lvl+0xf4/0x15c [ 77.554874][ T4965] dump_stack+0x1c/0x5c [ 77.555584][ T4965] bad_page+0x188/0x1a8 [ 77.556356][ T4965] check_free_page_bad+0xf4/0x16c [ 77.557241][ T4965] free_unref_page_prepare+0x738/0xa84 [ 77.558154][ T4965] free_unref_page_list+0xdc/0x730 [ 77.558964][ T4965] release_pages+0x13bc/0x16dc [ 77.559775][ T4965] __pagevec_release+0x84/0xf8 [ 77.560588][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 77.561563][ T4965] truncate_inode_pages+0x2c/0x3c [ 77.562415][ T4965] dbUnmount+0xf4/0x168 [ 77.563125][ T4965] jfs_umount+0x1c4/0x328 [ 77.563805][ T4965] jfs_put_super+0x90/0x188 [ 77.564555][ T4965] generic_shutdown_super+0x130/0x2f0 [ 77.565466][ T4965] kill_block_super+0x70/0xdc [ 77.566213][ T4965] deactivate_locked_super+0xb8/0x134 [ 77.567143][ T4965] deactivate_super+0xf0/0x110 [ 77.567942][ T4965] cleanup_mnt+0x3b8/0x46c [ 77.568655][ T4965] __cleanup_mnt+0x20/0x30 [ 77.569438][ T4965] task_work_run+0x12c/0x1d8 [ 77.570240][ T4965] do_notify_resume+0x2450/0x309c [ 77.571080][ T4965] el0_svc+0xf0/0x1d0 [ 77.571743][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 77.572572][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 77.642715][ T148] bond0 (unregistering): Released all slaves [ 77.694188][ T5113] loop0: detected capacity change from 0 to 32768 [ 77.743897][ T5113] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.743897][ T5113] [ 77.745327][ T5113] attempt to access beyond end of device [ 77.745327][ T5113] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.747417][ T5113] JFS: sb_issue_discard(00000000bdbcdd9d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.749297][ T5113] blkno = 8000000000400, nblocks = 400 [ 77.750256][ T5113] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.750256][ T5113] [ 77.754223][ T4965] BUG: Bad page state in process syz-executor pfn:1104f3 [ 77.755453][ T4965] page:00000000bff7ba5b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1104f3 [ 77.757194][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.759453][ T4965] raw: 05ffc00000002006 fffffc0003228d88 ffff80001f5675c0 0000000000000000 [ 77.760753][ T4965] raw: 0000000000000004 ffff0000cb7473e0 00000000ffffffff 0000000000000000 [ 77.762097][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.763321][ T4965] Modules linked in: [ 77.763948][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.765302][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.766843][ T4965] Call trace: [ 77.767382][ T4965] dump_backtrace+0x0/0x458 [ 77.768137][ T4965] show_stack+0x2c/0x3c [ 77.768810][ T4965] __dump_stack+0x30/0x40 [ 77.769559][ T4965] dump_stack_lvl+0xf4/0x15c [ 77.770345][ T4965] dump_stack+0x1c/0x5c [ 77.771048][ T4965] bad_page+0x188/0x1a8 [ 77.771697][ T4965] check_free_page_bad+0xf4/0x16c [ 77.772582][ T4965] free_unref_page_prepare+0x738/0xa84 [ 77.773457][ T4965] free_unref_page_list+0xdc/0x730 [ 77.774345][ T4965] release_pages+0x13bc/0x16dc [ 77.775141][ T4965] __pagevec_release+0x84/0xf8 [ 77.775918][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 77.776853][ T4965] truncate_inode_pages+0x2c/0x3c [ 77.777669][ T4965] dbUnmount+0xf4/0x168 [ 77.778400][ T4965] jfs_umount+0x1c4/0x328 [ 77.779153][ T4965] jfs_put_super+0x90/0x188 [ 77.779993][ T4965] generic_shutdown_super+0x130/0x2f0 [ 77.780841][ T4965] kill_block_super+0x70/0xdc [ 77.781630][ T4965] deactivate_locked_super+0xb8/0x134 [ 77.782513][ T4965] deactivate_super+0xf0/0x110 [ 77.783291][ T4965] cleanup_mnt+0x3b8/0x46c [ 77.783977][ T4965] __cleanup_mnt+0x20/0x30 [ 77.784738][ T4965] task_work_run+0x12c/0x1d8 [ 77.785428][ T4965] do_notify_resume+0x2450/0x309c [ 77.786273][ T4965] el0_svc+0xf0/0x1d0 [ 77.786965][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 77.787837][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 77.917125][ T5115] loop0: detected capacity change from 0 to 32768 [ 77.954934][ T5115] ERROR: (device loop0): dbDiscardAG: -EIO [ 77.954934][ T5115] [ 77.956408][ T5115] attempt to access beyond end of device [ 77.956408][ T5115] loop0: rw=2051, want=18014398509498368, limit=32768 [ 77.958470][ T5115] JFS: sb_issue_discard(000000009b0b8cc2, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 77.960406][ T5115] blkno = 8000000000400, nblocks = 400 [ 77.961254][ T5115] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 77.961254][ T5115] [ 77.964944][ T4965] BUG: Bad page state in process syz-executor pfn:107668 [ 77.966094][ T4965] page:00000000de302a74 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107668 [ 77.967769][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 77.969791][ T4965] raw: 05ffc00000002006 fffffc0003356d08 ffff80001f5675c0 0000000000000000 [ 77.971074][ T4965] raw: 0000000000000004 ffff0000cb747e88 00000000ffffffff 0000000000000000 [ 77.972308][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 77.973458][ T4965] Modules linked in: [ 77.974136][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 77.975583][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.977143][ T4965] Call trace: [ 77.977618][ T4965] dump_backtrace+0x0/0x458 [ 77.978352][ T4965] show_stack+0x2c/0x3c [ 77.979008][ T4965] __dump_stack+0x30/0x40 [ 77.979733][ T4965] dump_stack_lvl+0xf4/0x15c [ 77.980555][ T4965] dump_stack+0x1c/0x5c [ 77.981248][ T4965] bad_page+0x188/0x1a8 [ 77.981929][ T4965] check_free_page_bad+0xf4/0x16c [ 77.982759][ T4965] free_unref_page_prepare+0x738/0xa84 [ 77.983570][ T4965] free_unref_page_list+0xdc/0x730 [ 77.984381][ T4965] release_pages+0x13bc/0x16dc [ 77.985202][ T4965] __pagevec_release+0x84/0xf8 [ 77.986073][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 77.987028][ T4965] truncate_inode_pages+0x2c/0x3c [ 77.987851][ T4965] dbUnmount+0xf4/0x168 [ 77.988470][ T4965] jfs_umount+0x1c4/0x328 [ 77.989107][ T4965] jfs_put_super+0x90/0x188 [ 77.989801][ T4965] generic_shutdown_super+0x130/0x2f0 [ 77.990650][ T4965] kill_block_super+0x70/0xdc [ 77.991390][ T4965] deactivate_locked_super+0xb8/0x134 [ 77.992234][ T4965] deactivate_super+0xf0/0x110 [ 77.992947][ T4965] cleanup_mnt+0x3b8/0x46c [ 77.993667][ T4965] __cleanup_mnt+0x20/0x30 [ 77.994378][ T4965] task_work_run+0x12c/0x1d8 [ 77.995055][ T4965] do_notify_resume+0x2450/0x309c [ 77.995834][ T4965] el0_svc+0xf0/0x1d0 [ 77.996502][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 77.997304][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 78.125018][ T5117] loop0: detected capacity change from 0 to 32768 [ 78.162192][ T5117] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.162192][ T5117] [ 78.163553][ T5117] attempt to access beyond end of device [ 78.163553][ T5117] loop0: rw=2051, want=18014398509498368, limit=32768 [ 78.165596][ T5117] JFS: sb_issue_discard(00000000dd2c5980, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.167250][ T5117] blkno = 8000000000400, nblocks = 400 [ 78.168058][ T5117] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.168058][ T5117] [ 78.171883][ T4965] BUG: Bad page state in process syz-executor pfn:11b100 [ 78.172981][ T4965] page:0000000058e41987 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b100 [ 78.174777][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.176424][ T4965] raw: 05ffc00000002006 fffffc00032ca788 ffff80001f5675c0 0000000000000000 [ 78.177941][ T4965] raw: 0000000000000004 ffff0000cf6789b0 00000000ffffffff 0000000000000000 [ 78.181875][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.182945][ T4965] Modules linked in: [ 78.183614][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.185079][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.186718][ T4965] Call trace: [ 78.187239][ T4965] dump_backtrace+0x0/0x458 [ 78.187977][ T4965] show_stack+0x2c/0x3c [ 78.188685][ T4965] __dump_stack+0x30/0x40 [ 78.189437][ T4965] dump_stack_lvl+0xf4/0x15c [ 78.190182][ T4965] dump_stack+0x1c/0x5c [ 78.190887][ T4965] bad_page+0x188/0x1a8 [ 78.191602][ T4965] check_free_page_bad+0xf4/0x16c [ 78.192476][ T4965] free_unref_page_prepare+0x738/0xa84 [ 78.193385][ T4965] free_unref_page_list+0xdc/0x730 [ 78.194239][ T4965] release_pages+0x13bc/0x16dc [ 78.195046][ T4965] __pagevec_release+0x84/0xf8 [ 78.195873][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 78.196846][ T4965] truncate_inode_pages+0x2c/0x3c [ 78.197668][ T4965] dbUnmount+0xf4/0x168 [ 78.198382][ T4965] jfs_umount+0x1c4/0x328 [ 78.199081][ T4965] jfs_put_super+0x90/0x188 [ 78.199879][ T4965] generic_shutdown_super+0x130/0x2f0 [ 78.200732][ T4965] kill_block_super+0x70/0xdc [ 78.201477][ T4965] deactivate_locked_super+0xb8/0x134 [ 78.202337][ T4965] deactivate_super+0xf0/0x110 [ 78.203148][ T4965] cleanup_mnt+0x3b8/0x46c [ 78.203837][ T4965] __cleanup_mnt+0x20/0x30 [ 78.204552][ T4965] task_work_run+0x12c/0x1d8 [ 78.205286][ T4965] do_notify_resume+0x2450/0x309c [ 78.206080][ T4965] el0_svc+0xf0/0x1d0 [ 78.206711][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 78.207501][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 78.344081][ T5119] loop0: detected capacity change from 0 to 32768 [ 78.385413][ T5119] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.385413][ T5119] [ 78.386717][ T5119] attempt to access beyond end of device [ 78.386717][ T5119] loop0: rw=2051, want=18014398509498368, limit=32768 [ 78.388702][ T5119] JFS: sb_issue_discard(00000000a1b36429, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.390371][ T5119] blkno = 8000000000400, nblocks = 400 [ 78.391258][ T5119] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.391258][ T5119] [ 78.395119][ T4965] BUG: Bad page state in process syz-executor pfn:10820a [ 78.396280][ T4965] page:000000005c79c2bc refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10820a [ 78.397947][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.399609][ T4965] raw: 05ffc00000002006 fffffc00032e0208 ffff80001f5675c0 0000000000000000 [ 78.401015][ T4965] raw: 0000000000000004 ffff0000c89191f0 00000000ffffffff 0000000000000000 [ 78.402473][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.403680][ T4965] Modules linked in: [ 78.404336][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.405871][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.407444][ T4965] Call trace: [ 78.407945][ T4965] dump_backtrace+0x0/0x458 [ 78.408683][ T4965] show_stack+0x2c/0x3c [ 78.409294][ T4965] __dump_stack+0x30/0x40 [ 78.409962][ T4965] dump_stack_lvl+0xf4/0x15c [ 78.410600][ T4965] dump_stack+0x1c/0x5c [ 78.411291][ T4965] bad_page+0x188/0x1a8 [ 78.411956][ T4965] check_free_page_bad+0xf4/0x16c [ 78.412813][ T4965] free_unref_page_prepare+0x738/0xa84 [ 78.413763][ T4965] free_unref_page_list+0xdc/0x730 [ 78.414634][ T4965] release_pages+0x13bc/0x16dc [ 78.415463][ T4965] __pagevec_release+0x84/0xf8 [ 78.416341][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 78.417365][ T4965] truncate_inode_pages+0x2c/0x3c [ 78.418204][ T4965] dbUnmount+0xf4/0x168 [ 78.418912][ T4965] jfs_umount+0x1c4/0x328 [ 78.419619][ T4965] jfs_put_super+0x90/0x188 [ 78.420373][ T4965] generic_shutdown_super+0x130/0x2f0 [ 78.421292][ T4965] kill_block_super+0x70/0xdc [ 78.422093][ T4965] deactivate_locked_super+0xb8/0x134 [ 78.422928][ T4965] deactivate_super+0xf0/0x110 [ 78.423708][ T4965] cleanup_mnt+0x3b8/0x46c [ 78.424377][ T4965] __cleanup_mnt+0x20/0x30 [ 78.425074][ T4965] task_work_run+0x12c/0x1d8 [ 78.425800][ T4965] do_notify_resume+0x2450/0x309c [ 78.426590][ T4965] el0_svc+0xf0/0x1d0 [ 78.427265][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 78.428033][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 78.595628][ T5121] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.595628][ T5121] [ 78.597052][ T5121] JFS: sb_issue_discard(000000000ac4834f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.598577][ T5121] blkno = 8000000000400, nblocks = 400 [ 78.599465][ T5121] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.599465][ T5121] [ 78.603040][ T4965] BUG: Bad page state in process syz-executor pfn:111f67 [ 78.604215][ T4965] page:000000005e80208b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111f67 [ 78.605941][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.607513][ T4965] raw: 05ffc00000002006 fffffc0003b1d088 ffff80001f5675c0 0000000000000000 [ 78.609285][ T4965] raw: 0000000000000004 ffff0000d645e4d8 00000000ffffffff 0000000000000000 [ 78.610676][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.611957][ T4965] Modules linked in: [ 78.612622][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.614095][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.615864][ T4965] Call trace: [ 78.616356][ T4965] dump_backtrace+0x0/0x458 [ 78.617077][ T4965] show_stack+0x2c/0x3c [ 78.617709][ T4965] __dump_stack+0x30/0x40 [ 78.618364][ T4965] dump_stack_lvl+0xf4/0x15c [ 78.619280][ T4965] dump_stack+0x1c/0x5c [ 78.619980][ T4965] bad_page+0x188/0x1a8 [ 78.620668][ T4965] check_free_page_bad+0xf4/0x16c [ 78.621522][ T4965] free_unref_page_prepare+0x738/0xa84 [ 78.622416][ T4965] free_unref_page_list+0xdc/0x730 [ 78.623263][ T4965] release_pages+0x13bc/0x16dc [ 78.624079][ T4965] __pagevec_release+0x84/0xf8 [ 78.624885][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 78.625818][ T4965] truncate_inode_pages+0x2c/0x3c [ 78.626664][ T4965] dbUnmount+0xf4/0x168 [ 78.627375][ T4965] jfs_umount+0x1c4/0x328 [ 78.628036][ T4965] jfs_put_super+0x90/0x188 [ 78.628712][ T4965] generic_shutdown_super+0x130/0x2f0 [ 78.629521][ T4965] kill_block_super+0x70/0xdc [ 78.630238][ T4965] deactivate_locked_super+0xb8/0x134 [ 78.631064][ T4965] deactivate_super+0xf0/0x110 [ 78.631877][ T4965] cleanup_mnt+0x3b8/0x46c [ 78.632638][ T4965] __cleanup_mnt+0x20/0x30 [ 78.633446][ T4965] task_work_run+0x12c/0x1d8 [ 78.634208][ T4965] do_notify_resume+0x2450/0x309c [ 78.635043][ T4965] el0_svc+0xf0/0x1d0 [ 78.635652][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 78.636516][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 78.803414][ T5123] ERROR: (device loop0): dbDiscardAG: -EIO [ 78.803414][ T5123] [ 78.804824][ T5123] JFS: sb_issue_discard(000000000eb2d358, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 78.806647][ T5123] blkno = 8000000000400, nblocks = 400 [ 78.807554][ T5123] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 78.807554][ T5123] [ 78.811288][ T4965] BUG: Bad page state in process syz-executor pfn:101684 [ 78.812488][ T4965] page:00000000d79e00a0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x101684 [ 78.814107][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 78.815644][ T4965] raw: 05ffc00000002006 fffffc0003b7c308 ffff80001f5675c0 0000000000000000 [ 78.817099][ T4965] raw: 0000000000000004 ffff0000ce6be000 00000000ffffffff 0000000000000000 [ 78.818506][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 78.821123][ T4965] Modules linked in: [ 78.821695][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 78.823012][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.824475][ T4965] Call trace: [ 78.824967][ T4965] dump_backtrace+0x0/0x458 [ 78.825662][ T4965] show_stack+0x2c/0x3c [ 78.826293][ T4965] __dump_stack+0x30/0x40 [ 78.826970][ T4965] dump_stack_lvl+0xf4/0x15c [ 78.827660][ T4965] dump_stack+0x1c/0x5c [ 78.828296][ T4965] bad_page+0x188/0x1a8 [ 78.828988][ T4965] check_free_page_bad+0xf4/0x16c [ 78.829758][ T4965] free_unref_page_prepare+0x738/0xa84 [ 78.830702][ T4965] free_unref_page_list+0xdc/0x730 [ 78.831568][ T4965] release_pages+0x13bc/0x16dc [ 78.832393][ T4965] __pagevec_release+0x84/0xf8 [ 78.833238][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 78.834160][ T4965] truncate_inode_pages+0x2c/0x3c [ 78.834922][ T4965] dbUnmount+0xf4/0x168 [ 78.835646][ T4965] jfs_umount+0x1c4/0x328 [ 78.836336][ T4965] jfs_put_super+0x90/0x188 [ 78.837156][ T4965] generic_shutdown_super+0x130/0x2f0 [ 78.837975][ T4965] kill_block_super+0x70/0xdc [ 78.838740][ T4965] deactivate_locked_super+0xb8/0x134 [ 78.839671][ T4965] deactivate_super+0xf0/0x110 [ 78.840501][ T4965] cleanup_mnt+0x3b8/0x46c [ 78.841280][ T4965] __cleanup_mnt+0x20/0x30 [ 78.842026][ T4965] task_work_run+0x12c/0x1d8 [ 78.842770][ T4965] do_notify_resume+0x2450/0x309c [ 78.843598][ T4965] el0_svc+0xf0/0x1d0 [ 78.844224][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 78.845082][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 79.032535][ T5125] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.032535][ T5125] [ 79.033882][ T5125] JFS: sb_issue_discard(00000000de588917, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.035696][ T5125] blkno = 8000000000400, nblocks = 400 [ 79.036621][ T5125] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.036621][ T5125] [ 79.040754][ T4965] BUG: Bad page state in process syz-executor pfn:127905 [ 79.041871][ T4965] page:0000000050d2fb74 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x127905 [ 79.043660][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.045145][ T4965] raw: 05ffc00000002006 fffffc0003247288 ffff80001f5675c0 0000000000000000 [ 79.046555][ T4965] raw: 0000000000000004 ffff0000c8919c98 00000000ffffffff 0000000000000000 [ 79.047817][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.048947][ T4965] Modules linked in: [ 79.049794][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.051084][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.052555][ T4965] Call trace: [ 79.053084][ T4965] dump_backtrace+0x0/0x458 [ 79.053782][ T4965] show_stack+0x2c/0x3c [ 79.054405][ T4965] __dump_stack+0x30/0x40 [ 79.055094][ T4965] dump_stack_lvl+0xf4/0x15c [ 79.055746][ T4965] dump_stack+0x1c/0x5c [ 79.056389][ T4965] bad_page+0x188/0x1a8 [ 79.056974][ T4965] check_free_page_bad+0xf4/0x16c [ 79.057711][ T4965] free_unref_page_prepare+0x738/0xa84 [ 79.058537][ T4965] free_unref_page_list+0xdc/0x730 [ 79.059394][ T4965] release_pages+0x13bc/0x16dc [ 79.060186][ T4965] __pagevec_release+0x84/0xf8 [ 79.060954][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 79.061848][ T4965] truncate_inode_pages+0x2c/0x3c [ 79.062644][ T4965] dbUnmount+0xf4/0x168 [ 79.063315][ T4965] jfs_umount+0x1c4/0x328 [ 79.063984][ T4965] jfs_put_super+0x90/0x188 [ 79.064700][ T4965] generic_shutdown_super+0x130/0x2f0 [ 79.065534][ T4965] kill_block_super+0x70/0xdc [ 79.066264][ T4965] deactivate_locked_super+0xb8/0x134 [ 79.067164][ T4965] deactivate_super+0xf0/0x110 [ 79.067924][ T4965] cleanup_mnt+0x3b8/0x46c [ 79.068567][ T4965] __cleanup_mnt+0x20/0x30 [ 79.069272][ T4965] task_work_run+0x12c/0x1d8 [ 79.069979][ T4965] do_notify_resume+0x2450/0x309c [ 79.070848][ T4965] el0_svc+0xf0/0x1d0 [ 79.071592][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 79.072416][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 79.225934][ T5127] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.225934][ T5127] [ 79.227314][ T5127] JFS: sb_issue_discard(000000007abd01af, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.229080][ T5127] blkno = 8000000000400, nblocks = 400 [ 79.230085][ T5127] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.230085][ T5127] [ 79.233582][ T4965] BUG: Bad page state in process syz-executor pfn:10b949 [ 79.234774][ T4965] page:0000000034c3d9b7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10b949 [ 79.236451][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.238179][ T4965] raw: 05ffc00000002006 fffffc0003b1d188 ffff80001f5675c0 0000000000000000 [ 79.243859][ T4965] raw: 0000000000000004 ffff0000cd79d7c0 00000000ffffffff 0000000000000000 [ 79.245216][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.246506][ T4965] Modules linked in: [ 79.247144][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.248659][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.250316][ T4965] Call trace: [ 79.250859][ T4965] dump_backtrace+0x0/0x458 [ 79.251654][ T4965] show_stack+0x2c/0x3c [ 79.252372][ T4965] __dump_stack+0x30/0x40 [ 79.253069][ T4965] dump_stack_lvl+0xf4/0x15c [ 79.253839][ T4965] dump_stack+0x1c/0x5c [ 79.254537][ T4965] bad_page+0x188/0x1a8 [ 79.255255][ T4965] check_free_page_bad+0xf4/0x16c [ 79.256082][ T4965] free_unref_page_prepare+0x738/0xa84 [ 79.256917][ T4965] free_unref_page_list+0xdc/0x730 [ 79.257709][ T4965] release_pages+0x13bc/0x16dc [ 79.258562][ T4965] __pagevec_release+0x84/0xf8 [ 79.259332][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 79.260212][ T4965] truncate_inode_pages+0x2c/0x3c [ 79.261142][ T4965] dbUnmount+0xf4/0x168 [ 79.261807][ T4965] jfs_umount+0x1c4/0x328 [ 79.262513][ T4965] jfs_put_super+0x90/0x188 [ 79.263255][ T4965] generic_shutdown_super+0x130/0x2f0 [ 79.264109][ T4965] kill_block_super+0x70/0xdc [ 79.264881][ T4965] deactivate_locked_super+0xb8/0x134 [ 79.265809][ T4965] deactivate_super+0xf0/0x110 [ 79.266585][ T4965] cleanup_mnt+0x3b8/0x46c [ 79.267321][ T4965] __cleanup_mnt+0x20/0x30 [ 79.267956][ T4965] task_work_run+0x12c/0x1d8 [ 79.268602][ T4965] do_notify_resume+0x2450/0x309c [ 79.269385][ T4965] el0_svc+0xf0/0x1d0 [ 79.270047][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 79.270848][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 79.288821][ T5134] Bluetooth: hci0: command 0x041b tx timeout [ 79.422768][ T5136] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.422768][ T5136] [ 79.424144][ T5136] JFS: sb_issue_discard(0000000009ffb0b8, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.425840][ T5136] blkno = 8000000000400, nblocks = 400 [ 79.426694][ T5136] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.426694][ T5136] [ 79.430799][ T4965] BUG: Bad page state in process syz-executor pfn:10229e [ 79.431917][ T4965] page:00000000e52bf292 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10229e [ 79.433699][ T4965] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.435157][ T4965] raw: 05ffc00000002004 fffffc00033745c8 ffff80001f5675c0 0000000000000000 [ 79.436588][ T4965] raw: 0000000000000004 ffff0000cd5da2e8 00000000ffffffff 0000000000000000 [ 79.437906][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.439236][ T4965] Modules linked in: [ 79.440021][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.441430][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.443035][ T4965] Call trace: [ 79.443540][ T4965] dump_backtrace+0x0/0x458 [ 79.444316][ T4965] show_stack+0x2c/0x3c [ 79.444924][ T4965] __dump_stack+0x30/0x40 [ 79.445703][ T4965] dump_stack_lvl+0xf4/0x15c [ 79.446424][ T4965] dump_stack+0x1c/0x5c [ 79.447112][ T4965] bad_page+0x188/0x1a8 [ 79.447815][ T4965] check_free_page_bad+0xf4/0x16c [ 79.448630][ T4965] free_unref_page_prepare+0x738/0xa84 [ 79.449515][ T4965] free_unref_page_list+0xdc/0x730 [ 79.450342][ T4965] release_pages+0x13bc/0x16dc [ 79.451093][ T4965] __pagevec_release+0x84/0xf8 [ 79.451850][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 79.452777][ T4965] truncate_inode_pages+0x2c/0x3c [ 79.453633][ T4965] dbUnmount+0xf4/0x168 [ 79.454330][ T4965] jfs_umount+0x1c4/0x328 [ 79.455073][ T4965] jfs_put_super+0x90/0x188 [ 79.455847][ T4965] generic_shutdown_super+0x130/0x2f0 [ 79.456735][ T4965] kill_block_super+0x70/0xdc [ 79.457500][ T4965] deactivate_locked_super+0xb8/0x134 [ 79.458391][ T4965] deactivate_super+0xf0/0x110 [ 79.459161][ T4965] cleanup_mnt+0x3b8/0x46c [ 79.459877][ T4965] __cleanup_mnt+0x20/0x30 [ 79.460556][ T4965] task_work_run+0x12c/0x1d8 [ 79.461277][ T4965] do_notify_resume+0x2450/0x309c [ 79.462094][ T4965] el0_svc+0xf0/0x1d0 [ 79.462736][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 79.463525][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 79.623272][ T5138] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.623272][ T5138] [ 79.624647][ T5138] JFS: sb_issue_discard(00000000acb1df9d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.626398][ T5138] blkno = 8000000000400, nblocks = 400 [ 79.627340][ T5138] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.627340][ T5138] [ 79.630910][ T4965] BUG: Bad page state in process syz-executor pfn:10abc2 [ 79.632128][ T4965] page:0000000000aaaa3b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10abc2 [ 79.633813][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.635415][ T4965] raw: 05ffc00000002006 fffffc0003195188 ffff80001f5675c0 0000000000000000 [ 79.636881][ T4965] raw: 0000000000000004 ffff0000ce6beaa8 00000000ffffffff 0000000000000000 [ 79.638339][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.639951][ T4965] Modules linked in: [ 79.640555][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.642073][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.643529][ T4965] Call trace: [ 79.643969][ T4965] dump_backtrace+0x0/0x458 [ 79.644647][ T4965] show_stack+0x2c/0x3c [ 79.645333][ T4965] __dump_stack+0x30/0x40 [ 79.646090][ T4965] dump_stack_lvl+0xf4/0x15c [ 79.646820][ T4965] dump_stack+0x1c/0x5c [ 79.647472][ T4965] bad_page+0x188/0x1a8 [ 79.648136][ T4965] check_free_page_bad+0xf4/0x16c [ 79.648943][ T4965] free_unref_page_prepare+0x738/0xa84 [ 79.649915][ T4965] free_unref_page_list+0xdc/0x730 [ 79.650795][ T4965] release_pages+0x13bc/0x16dc [ 79.651568][ T4965] __pagevec_release+0x84/0xf8 [ 79.652372][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 79.653344][ T4965] truncate_inode_pages+0x2c/0x3c [ 79.654186][ T4965] dbUnmount+0xf4/0x168 [ 79.654889][ T4965] jfs_umount+0x1c4/0x328 [ 79.655574][ T4965] jfs_put_super+0x90/0x188 [ 79.656272][ T4965] generic_shutdown_super+0x130/0x2f0 [ 79.657108][ T4965] kill_block_super+0x70/0xdc [ 79.657858][ T4965] deactivate_locked_super+0xb8/0x134 [ 79.658731][ T4965] deactivate_super+0xf0/0x110 [ 79.659525][ T4965] cleanup_mnt+0x3b8/0x46c [ 79.660242][ T4965] __cleanup_mnt+0x20/0x30 [ 79.660991][ T4965] task_work_run+0x12c/0x1d8 [ 79.661730][ T4965] do_notify_resume+0x2450/0x309c [ 79.662550][ T4965] el0_svc+0xf0/0x1d0 [ 79.663207][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 79.664036][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 79.813422][ T5140] ERROR: (device loop0): dbDiscardAG: -EIO [ 79.813422][ T5140] [ 79.814824][ T5140] JFS: sb_issue_discard(00000000dda8e803, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 79.816639][ T5140] blkno = 8000000000400, nblocks = 400 [ 79.817572][ T5140] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 79.817572][ T5140] [ 79.821533][ T4965] BUG: Bad page state in process syz-executor pfn:11b6f5 [ 79.822653][ T4965] page:00000000a40e8d8d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b6f5 [ 79.824351][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 79.825930][ T4965] raw: 05ffc00000002006 fffffc0003645bc8 ffff80001f5675c0 0000000000000000 [ 79.827336][ T4965] raw: 0000000000000004 ffff0000cd5dad90 00000000ffffffff 0000000000000000 [ 79.829125][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 79.830332][ T4965] Modules linked in: [ 79.830925][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 79.832328][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.833955][ T4965] Call trace: [ 79.834445][ T4965] dump_backtrace+0x0/0x458 [ 79.835204][ T4965] show_stack+0x2c/0x3c [ 79.835903][ T4965] __dump_stack+0x30/0x40 [ 79.836624][ T4965] dump_stack_lvl+0xf4/0x15c [ 79.837336][ T4965] dump_stack+0x1c/0x5c [ 79.838030][ T4965] bad_page+0x188/0x1a8 [ 79.838697][ T4965] check_free_page_bad+0xf4/0x16c [ 79.839449][ T4965] free_unref_page_prepare+0x738/0xa84 [ 79.840318][ T4965] free_unref_page_list+0xdc/0x730 [ 79.841183][ T4965] release_pages+0x13bc/0x16dc [ 79.841982][ T4965] __pagevec_release+0x84/0xf8 [ 79.842774][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 79.843714][ T4965] truncate_inode_pages+0x2c/0x3c [ 79.844524][ T4965] dbUnmount+0xf4/0x168 [ 79.845245][ T4965] jfs_umount+0x1c4/0x328 [ 79.845996][ T4965] jfs_put_super+0x90/0x188 [ 79.846742][ T4965] generic_shutdown_super+0x130/0x2f0 [ 79.847602][ T4965] kill_block_super+0x70/0xdc [ 79.848353][ T4965] deactivate_locked_super+0xb8/0x134 [ 79.849282][ T4965] deactivate_super+0xf0/0x110 [ 79.850051][ T4965] cleanup_mnt+0x3b8/0x46c [ 79.850735][ T4965] __cleanup_mnt+0x20/0x30 [ 79.851431][ T4965] task_work_run+0x12c/0x1d8 [ 79.852149][ T4965] do_notify_resume+0x2450/0x309c [ 79.852978][ T4965] el0_svc+0xf0/0x1d0 [ 79.853627][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 79.854385][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 80.012585][ T5142] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.012585][ T5142] [ 80.013961][ T5142] JFS: sb_issue_discard(00000000d8175287, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.015819][ T5142] blkno = 8000000000400, nblocks = 400 [ 80.016671][ T5142] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.016671][ T5142] [ 80.020116][ T4965] BUG: Bad page state in process syz-executor pfn:10a422 [ 80.021291][ T4965] page:00000000e2ff77c4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a422 [ 80.022983][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.024618][ T4965] raw: 05ffc00000002006 fffffc0003b7cec8 ffff80001f5675c0 0000000000000000 [ 80.026162][ T4965] raw: 0000000000000004 ffff0000c22ba8b8 00000000ffffffff 0000000000000000 [ 80.027487][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.029490][ T4965] Modules linked in: [ 80.030124][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.031547][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.033185][ T4965] Call trace: [ 80.033686][ T4965] dump_backtrace+0x0/0x458 [ 80.034402][ T4965] show_stack+0x2c/0x3c [ 80.035084][ T4965] __dump_stack+0x30/0x40 [ 80.035834][ T4965] dump_stack_lvl+0xf4/0x15c [ 80.036597][ T4965] dump_stack+0x1c/0x5c [ 80.037275][ T4965] bad_page+0x188/0x1a8 [ 80.037954][ T4965] check_free_page_bad+0xf4/0x16c [ 80.038818][ T4965] free_unref_page_prepare+0x738/0xa84 [ 80.039743][ T4965] free_unref_page_list+0xdc/0x730 [ 80.040594][ T4965] release_pages+0x13bc/0x16dc [ 80.041397][ T4965] __pagevec_release+0x84/0xf8 [ 80.042182][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 80.043094][ T4965] truncate_inode_pages+0x2c/0x3c [ 80.043929][ T4965] dbUnmount+0xf4/0x168 [ 80.044599][ T4965] jfs_umount+0x1c4/0x328 [ 80.045303][ T4965] jfs_put_super+0x90/0x188 [ 80.046025][ T4965] generic_shutdown_super+0x130/0x2f0 [ 80.046895][ T4965] kill_block_super+0x70/0xdc [ 80.047687][ T4965] deactivate_locked_super+0xb8/0x134 [ 80.048551][ T4965] deactivate_super+0xf0/0x110 [ 80.049356][ T4965] cleanup_mnt+0x3b8/0x46c [ 80.050090][ T4965] __cleanup_mnt+0x20/0x30 [ 80.050760][ T4965] task_work_run+0x12c/0x1d8 [ 80.051525][ T4965] do_notify_resume+0x2450/0x309c [ 80.052382][ T4965] el0_svc+0xf0/0x1d0 [ 80.053027][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 80.053876][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 80.210552][ T5144] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.210552][ T5144] [ 80.211966][ T5144] JFS: sb_issue_discard(00000000ccd86e4c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.213559][ T5144] blkno = 8000000000400, nblocks = 400 [ 80.214500][ T5144] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.214500][ T5144] [ 80.218047][ T4965] BUG: Bad page state in process syz-executor pfn:10893e [ 80.219511][ T4965] page:000000002dac0475 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10893e [ 80.221236][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.222806][ T4965] raw: 05ffc00000002006 fffffc0003287c48 ffff80001f5675c0 0000000000000000 [ 80.224167][ T4965] raw: 0000000000000004 ffff0000c7b723e0 00000000ffffffff 0000000000000000 [ 80.225526][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.226781][ T4965] Modules linked in: [ 80.227407][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.228797][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.230410][ T4965] Call trace: [ 80.230971][ T4965] dump_backtrace+0x0/0x458 [ 80.231656][ T4965] show_stack+0x2c/0x3c [ 80.232323][ T4965] __dump_stack+0x30/0x40 [ 80.232992][ T4965] dump_stack_lvl+0xf4/0x15c [ 80.233736][ T4965] dump_stack+0x1c/0x5c [ 80.234399][ T4965] bad_page+0x188/0x1a8 [ 80.235062][ T4965] check_free_page_bad+0xf4/0x16c [ 80.235836][ T4965] free_unref_page_prepare+0x738/0xa84 [ 80.236667][ T4965] free_unref_page_list+0xdc/0x730 [ 80.237504][ T4965] release_pages+0x13bc/0x16dc [ 80.238281][ T4965] __pagevec_release+0x84/0xf8 [ 80.239023][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 80.239884][ T4965] truncate_inode_pages+0x2c/0x3c [ 80.240656][ T4965] dbUnmount+0xf4/0x168 [ 80.241305][ T4965] jfs_umount+0x1c4/0x328 [ 80.241974][ T4965] jfs_put_super+0x90/0x188 [ 80.242682][ T4965] generic_shutdown_super+0x130/0x2f0 [ 80.243511][ T4965] kill_block_super+0x70/0xdc [ 80.244268][ T4965] deactivate_locked_super+0xb8/0x134 [ 80.245089][ T4965] deactivate_super+0xf0/0x110 [ 80.245795][ T4965] cleanup_mnt+0x3b8/0x46c [ 80.246478][ T4965] __cleanup_mnt+0x20/0x30 [ 80.247138][ T4965] task_work_run+0x12c/0x1d8 [ 80.247831][ T4965] do_notify_resume+0x2450/0x309c [ 80.248598][ T4965] el0_svc+0xf0/0x1d0 [ 80.249254][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 80.250046][ T4965] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:20 executed programs: 21 [ 80.415878][ T5146] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.415878][ T5146] [ 80.417260][ T5146] JFS: sb_issue_discard(00000000601a3faa, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.419064][ T5146] blkno = 8000000000400, nblocks = 400 [ 80.420016][ T5146] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.420016][ T5146] [ 80.423578][ T4965] BUG: Bad page state in process syz-executor pfn:12f5dc [ 80.424805][ T4965] page:00000000c569f611 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12f5dc [ 80.426426][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.427951][ T4965] raw: 05ffc00000002006 fffffc0003b4d0c8 ffff80001f5675c0 0000000000000000 [ 80.429983][ T4965] raw: 0000000000000004 ffff0000eba815d0 00000000ffffffff 0000000000000000 [ 80.431265][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.432358][ T4965] Modules linked in: [ 80.433013][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.434369][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.435852][ T4965] Call trace: [ 80.436314][ T4965] dump_backtrace+0x0/0x458 [ 80.437070][ T4965] show_stack+0x2c/0x3c [ 80.437748][ T4965] __dump_stack+0x30/0x40 [ 80.438540][ T4965] dump_stack_lvl+0xf4/0x15c [ 80.439285][ T4965] dump_stack+0x1c/0x5c [ 80.439911][ T4965] bad_page+0x188/0x1a8 [ 80.440536][ T4965] check_free_page_bad+0xf4/0x16c [ 80.441378][ T4965] free_unref_page_prepare+0x738/0xa84 [ 80.442265][ T4965] free_unref_page_list+0xdc/0x730 [ 80.443062][ T4965] release_pages+0x13bc/0x16dc [ 80.443815][ T4965] __pagevec_release+0x84/0xf8 [ 80.444635][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 80.445606][ T4965] truncate_inode_pages+0x2c/0x3c [ 80.446513][ T4965] dbUnmount+0xf4/0x168 [ 80.447248][ T4965] jfs_umount+0x1c4/0x328 [ 80.447986][ T4965] jfs_put_super+0x90/0x188 [ 80.448751][ T4965] generic_shutdown_super+0x130/0x2f0 [ 80.449657][ T4965] kill_block_super+0x70/0xdc [ 80.450421][ T4965] deactivate_locked_super+0xb8/0x134 [ 80.451371][ T4965] deactivate_super+0xf0/0x110 [ 80.452146][ T4965] cleanup_mnt+0x3b8/0x46c [ 80.452893][ T4965] __cleanup_mnt+0x20/0x30 [ 80.453599][ T4965] task_work_run+0x12c/0x1d8 [ 80.454345][ T4965] do_notify_resume+0x2450/0x309c [ 80.455173][ T4965] el0_svc+0xf0/0x1d0 [ 80.455829][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 80.456677][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 80.622925][ T5148] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.622925][ T5148] [ 80.624351][ T5148] JFS: sb_issue_discard(000000005101c1f9, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.626054][ T5148] blkno = 8000000000400, nblocks = 400 [ 80.626976][ T5148] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.626976][ T5148] [ 80.630432][ T4965] BUG: Bad page state in process syz-executor pfn:11b04a [ 80.631638][ T4965] page:00000000b84e06b7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b04a [ 80.633315][ T4965] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.634723][ T4965] raw: 05ffc00000002004 fffffc000306e548 ffff80001f5675c0 0000000000000000 [ 80.636293][ T4965] raw: 0000000000000004 ffff0000c7b72e88 00000000ffffffff 0000000000000000 [ 80.637738][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.639731][ T4965] Modules linked in: [ 80.640357][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.641796][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.643455][ T4965] Call trace: [ 80.643941][ T4965] dump_backtrace+0x0/0x458 [ 80.644640][ T4965] show_stack+0x2c/0x3c [ 80.645342][ T4965] __dump_stack+0x30/0x40 [ 80.646032][ T4965] dump_stack_lvl+0xf4/0x15c [ 80.646788][ T4965] dump_stack+0x1c/0x5c [ 80.647460][ T4965] bad_page+0x188/0x1a8 [ 80.648143][ T4965] check_free_page_bad+0xf4/0x16c [ 80.648997][ T4965] free_unref_page_prepare+0x738/0xa84 [ 80.649920][ T4965] free_unref_page_list+0xdc/0x730 [ 80.650748][ T4965] release_pages+0x13bc/0x16dc [ 80.651575][ T4965] __pagevec_release+0x84/0xf8 [ 80.652333][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 80.653310][ T4965] truncate_inode_pages+0x2c/0x3c [ 80.654157][ T4965] dbUnmount+0xf4/0x168 [ 80.654819][ T4965] jfs_umount+0x1c4/0x328 [ 80.655508][ T4965] jfs_put_super+0x90/0x188 [ 80.656207][ T4965] generic_shutdown_super+0x130/0x2f0 [ 80.657034][ T4965] kill_block_super+0x70/0xdc [ 80.657746][ T4965] deactivate_locked_super+0xb8/0x134 [ 80.658616][ T4965] deactivate_super+0xf0/0x110 [ 80.659353][ T4965] cleanup_mnt+0x3b8/0x46c [ 80.660032][ T4965] __cleanup_mnt+0x20/0x30 [ 80.660770][ T4965] task_work_run+0x12c/0x1d8 [ 80.661480][ T4965] do_notify_resume+0x2450/0x309c [ 80.662292][ T4965] el0_svc+0xf0/0x1d0 [ 80.662911][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 80.663764][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 80.884997][ T5150] ERROR: (device loop0): dbDiscardAG: -EIO [ 80.884997][ T5150] [ 80.886400][ T5150] JFS: sb_issue_discard(000000004e15aff7, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 80.888238][ T5150] blkno = 8000000000400, nblocks = 400 [ 80.889304][ T5150] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 80.889304][ T5150] [ 80.893128][ T4965] BUG: Bad page state in process syz-executor pfn:107f1a [ 80.894189][ T4965] page:0000000042003e85 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107f1a [ 80.895720][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 80.897286][ T4965] raw: 05ffc00000002006 fffffc0003645bc8 ffff80001f5675c0 0000000000000000 [ 80.901272][ T4965] raw: 0000000000000004 ffff0000c1fde0f8 00000000ffffffff 0000000000000000 [ 80.902746][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 80.903933][ T4965] Modules linked in: [ 80.904557][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 80.905979][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.907598][ T4965] Call trace: [ 80.908113][ T4965] dump_backtrace+0x0/0x458 [ 80.908863][ T4965] show_stack+0x2c/0x3c [ 80.909559][ T4965] __dump_stack+0x30/0x40 [ 80.910238][ T4965] dump_stack_lvl+0xf4/0x15c [ 80.910998][ T4965] dump_stack+0x1c/0x5c [ 80.911742][ T4965] bad_page+0x188/0x1a8 [ 80.912432][ T4965] check_free_page_bad+0xf4/0x16c [ 80.913265][ T4965] free_unref_page_prepare+0x738/0xa84 [ 80.914123][ T4965] free_unref_page_list+0xdc/0x730 [ 80.914923][ T4965] release_pages+0x13bc/0x16dc [ 80.915718][ T4965] __pagevec_release+0x84/0xf8 [ 80.916475][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 80.917416][ T4965] truncate_inode_pages+0x2c/0x3c [ 80.918294][ T4965] dbUnmount+0xf4/0x168 [ 80.918998][ T4965] jfs_umount+0x1c4/0x328 [ 80.919765][ T4965] jfs_put_super+0x90/0x188 [ 80.920508][ T4965] generic_shutdown_super+0x130/0x2f0 [ 80.921360][ T4965] kill_block_super+0x70/0xdc [ 80.922149][ T4965] deactivate_locked_super+0xb8/0x134 [ 80.922995][ T4965] deactivate_super+0xf0/0x110 [ 80.923797][ T4965] cleanup_mnt+0x3b8/0x46c [ 80.924539][ T4965] __cleanup_mnt+0x20/0x30 [ 80.925252][ T4965] task_work_run+0x12c/0x1d8 [ 80.926004][ T4965] do_notify_resume+0x2450/0x309c [ 80.926849][ T4965] el0_svc+0xf0/0x1d0 [ 80.927497][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 80.928291][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 81.083112][ T5152] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.083112][ T5152] [ 81.084494][ T5152] JFS: sb_issue_discard(00000000f8e31c71, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.086247][ T5152] blkno = 8000000000400, nblocks = 400 [ 81.087136][ T5152] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.087136][ T5152] [ 81.091058][ T4965] BUG: Bad page state in process syz-executor pfn:113d41 [ 81.092256][ T4965] page:000000002cdb7dc7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x113d41 [ 81.093940][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.095540][ T4965] raw: 05ffc00000002006 fffffc00036897c8 ffff80001f5675c0 0000000000000000 [ 81.096917][ T4965] raw: 0000000000000004 ffff0000c1fdeba0 00000000ffffffff 0000000000000000 [ 81.098319][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.100035][ T4965] Modules linked in: [ 81.100643][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.102193][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.103990][ T4965] Call trace: [ 81.104502][ T4965] dump_backtrace+0x0/0x458 [ 81.105276][ T4965] show_stack+0x2c/0x3c [ 81.105952][ T4965] __dump_stack+0x30/0x40 [ 81.106665][ T4965] dump_stack_lvl+0xf4/0x15c [ 81.107437][ T4965] dump_stack+0x1c/0x5c [ 81.108086][ T4965] bad_page+0x188/0x1a8 [ 81.108698][ T4965] check_free_page_bad+0xf4/0x16c [ 81.109531][ T4965] free_unref_page_prepare+0x738/0xa84 [ 81.110419][ T4965] free_unref_page_list+0xdc/0x730 [ 81.111242][ T4965] release_pages+0x13bc/0x16dc [ 81.111995][ T4965] __pagevec_release+0x84/0xf8 [ 81.112753][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 81.113660][ T4965] truncate_inode_pages+0x2c/0x3c [ 81.114476][ T4965] dbUnmount+0xf4/0x168 [ 81.115170][ T4965] jfs_umount+0x1c4/0x328 [ 81.115842][ T4965] jfs_put_super+0x90/0x188 [ 81.116554][ T4965] generic_shutdown_super+0x130/0x2f0 [ 81.117422][ T4965] kill_block_super+0x70/0xdc [ 81.118215][ T4965] deactivate_locked_super+0xb8/0x134 [ 81.119095][ T4965] deactivate_super+0xf0/0x110 [ 81.119879][ T4965] cleanup_mnt+0x3b8/0x46c [ 81.120609][ T4965] __cleanup_mnt+0x20/0x30 [ 81.121296][ T4965] task_work_run+0x12c/0x1d8 [ 81.122006][ T4965] do_notify_resume+0x2450/0x309c [ 81.122828][ T4965] el0_svc+0xf0/0x1d0 [ 81.123455][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 81.124340][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 81.303914][ T5154] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.303914][ T5154] [ 81.305353][ T5154] JFS: sb_issue_discard(000000007d2ce16c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.307039][ T5154] blkno = 8000000000400, nblocks = 400 [ 81.307842][ T5154] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.307842][ T5154] [ 81.311716][ T4965] BUG: Bad page state in process syz-executor pfn:12db3c [ 81.312805][ T4965] page:00000000fcf8e9f0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12db3c [ 81.314529][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.316141][ T4965] raw: 05ffc00000002006 fffffc00036c1308 ffff80001f5675c0 0000000000000000 [ 81.317541][ T4965] raw: 0000000000000004 ffff0000e841f9b0 00000000ffffffff 0000000000000000 [ 81.319273][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.320426][ T4965] Modules linked in: [ 81.321089][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.322398][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.323846][ T4965] Call trace: [ 81.324372][ T4965] dump_backtrace+0x0/0x458 [ 81.325032][ T4965] show_stack+0x2c/0x3c [ 81.325656][ T4965] __dump_stack+0x30/0x40 [ 81.326315][ T4965] dump_stack_lvl+0xf4/0x15c [ 81.327008][ T4965] dump_stack+0x1c/0x5c [ 81.327675][ T4965] bad_page+0x188/0x1a8 [ 81.328316][ T4965] check_free_page_bad+0xf4/0x16c [ 81.329099][ T4965] free_unref_page_prepare+0x738/0xa84 [ 81.329998][ T4965] free_unref_page_list+0xdc/0x730 [ 81.330840][ T4965] release_pages+0x13bc/0x16dc [ 81.331602][ T4965] __pagevec_release+0x84/0xf8 [ 81.332361][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 81.333200][ T4965] truncate_inode_pages+0x2c/0x3c [ 81.334019][ T4965] dbUnmount+0xf4/0x168 [ 81.334713][ T4965] jfs_umount+0x1c4/0x328 [ 81.335428][ T4965] jfs_put_super+0x90/0x188 [ 81.336231][ T4965] generic_shutdown_super+0x130/0x2f0 [ 81.337106][ T4965] kill_block_super+0x70/0xdc [ 81.337867][ T4965] deactivate_locked_super+0xb8/0x134 [ 81.338746][ T4965] deactivate_super+0xf0/0x110 [ 81.339471][ T4965] cleanup_mnt+0x3b8/0x46c [ 81.340151][ T4965] __cleanup_mnt+0x20/0x30 [ 81.340850][ T4965] task_work_run+0x12c/0x1d8 [ 81.341619][ T4965] do_notify_resume+0x2450/0x309c [ 81.342492][ T4965] el0_svc+0xf0/0x1d0 [ 81.343146][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 81.343965][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 81.368937][ T5131] Bluetooth: hci0: command 0x040f tx timeout [ 81.510161][ T5156] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.510161][ T5156] [ 81.511572][ T5156] JFS: sb_issue_discard(00000000726a407c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.513167][ T5156] blkno = 8000000000400, nblocks = 400 [ 81.513995][ T5156] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.513995][ T5156] [ 81.517401][ T4965] BUG: Bad page state in process syz-executor pfn:12b93c [ 81.518493][ T4965] page:00000000d050caea refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b93c [ 81.520315][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.521871][ T4965] raw: 05ffc00000002006 fffffc00032b5448 ffff80001f5675c0 0000000000000000 [ 81.523247][ T4965] raw: 0000000000000004 ffff0000da3784d8 00000000ffffffff 0000000000000000 [ 81.524678][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.525879][ T4965] Modules linked in: [ 81.526494][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.527924][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.529584][ T4965] Call trace: [ 81.530152][ T4965] dump_backtrace+0x0/0x458 [ 81.530896][ T4965] show_stack+0x2c/0x3c [ 81.531589][ T4965] __dump_stack+0x30/0x40 [ 81.532324][ T4965] dump_stack_lvl+0xf4/0x15c [ 81.533100][ T4965] dump_stack+0x1c/0x5c [ 81.533803][ T4965] bad_page+0x188/0x1a8 [ 81.534558][ T4965] check_free_page_bad+0xf4/0x16c [ 81.535435][ T4965] free_unref_page_prepare+0x738/0xa84 [ 81.536343][ T4965] free_unref_page_list+0xdc/0x730 [ 81.537192][ T4965] release_pages+0x13bc/0x16dc [ 81.538025][ T4965] __pagevec_release+0x84/0xf8 [ 81.538830][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 81.539747][ T4965] truncate_inode_pages+0x2c/0x3c [ 81.540612][ T4965] dbUnmount+0xf4/0x168 [ 81.541299][ T4965] jfs_umount+0x1c4/0x328 [ 81.541982][ T4965] jfs_put_super+0x90/0x188 [ 81.542750][ T4965] generic_shutdown_super+0x130/0x2f0 [ 81.543677][ T4965] kill_block_super+0x70/0xdc [ 81.544440][ T4965] deactivate_locked_super+0xb8/0x134 [ 81.545330][ T4965] deactivate_super+0xf0/0x110 [ 81.546129][ T4965] cleanup_mnt+0x3b8/0x46c [ 81.546875][ T4965] __cleanup_mnt+0x20/0x30 [ 81.547610][ T4965] task_work_run+0x12c/0x1d8 [ 81.548334][ T4965] do_notify_resume+0x2450/0x309c [ 81.549134][ T4965] el0_svc+0xf0/0x1d0 [ 81.549819][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 81.550629][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 81.685007][ T5158] set_capacity_and_notify: 15 callbacks suppressed [ 81.685016][ T5158] loop0: detected capacity change from 0 to 32768 [ 81.710156][ T5158] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.710156][ T5158] [ 81.711480][ T5158] handle_bad_sector: 15 callbacks suppressed [ 81.711493][ T5158] attempt to access beyond end of device [ 81.711493][ T5158] loop0: rw=2051, want=18014398509498368, limit=32768 [ 81.714498][ T5158] JFS: sb_issue_discard(00000000c71f4aef, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.716211][ T5158] blkno = 8000000000400, nblocks = 400 [ 81.717106][ T5158] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.717106][ T5158] [ 81.720675][ T4965] BUG: Bad page state in process syz-executor pfn:10d85c [ 81.721842][ T4965] page:00000000ceac8cc3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d85c [ 81.723641][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.725104][ T4965] raw: 05ffc00000002006 fffffc0003ae6588 ffff80001f5675c0 0000000000000000 [ 81.726476][ T4965] raw: 0000000000000004 ffff0000c8435000 00000000ffffffff 0000000000000000 [ 81.727938][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.729586][ T4965] Modules linked in: [ 81.730286][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.731635][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.733318][ T4965] Call trace: [ 81.733806][ T4965] dump_backtrace+0x0/0x458 [ 81.734522][ T4965] show_stack+0x2c/0x3c [ 81.735184][ T4965] __dump_stack+0x30/0x40 [ 81.735888][ T4965] dump_stack_lvl+0xf4/0x15c [ 81.736604][ T4965] dump_stack+0x1c/0x5c [ 81.737310][ T4965] bad_page+0x188/0x1a8 [ 81.737980][ T4965] check_free_page_bad+0xf4/0x16c [ 81.738766][ T4965] free_unref_page_prepare+0x738/0xa84 [ 81.739603][ T4965] free_unref_page_list+0xdc/0x730 [ 81.740427][ T4965] release_pages+0x13bc/0x16dc [ 81.741222][ T4965] __pagevec_release+0x84/0xf8 [ 81.742008][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 81.742899][ T4965] truncate_inode_pages+0x2c/0x3c [ 81.743755][ T4965] dbUnmount+0xf4/0x168 [ 81.744384][ T4965] jfs_umount+0x1c4/0x328 [ 81.745002][ T4965] jfs_put_super+0x90/0x188 [ 81.745715][ T4965] generic_shutdown_super+0x130/0x2f0 [ 81.746638][ T4965] kill_block_super+0x70/0xdc [ 81.747399][ T4965] deactivate_locked_super+0xb8/0x134 [ 81.748303][ T4965] deactivate_super+0xf0/0x110 [ 81.749004][ T4965] cleanup_mnt+0x3b8/0x46c [ 81.749696][ T4965] __cleanup_mnt+0x20/0x30 [ 81.750380][ T4965] task_work_run+0x12c/0x1d8 [ 81.751127][ T4965] do_notify_resume+0x2450/0x309c [ 81.751976][ T4965] el0_svc+0xf0/0x1d0 [ 81.752581][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 81.753372][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 81.873497][ T5160] loop0: detected capacity change from 0 to 32768 [ 81.964641][ T5160] ERROR: (device loop0): dbDiscardAG: -EIO [ 81.964641][ T5160] [ 81.965995][ T5160] attempt to access beyond end of device [ 81.965995][ T5160] loop0: rw=2051, want=18014398509498368, limit=32768 [ 81.968056][ T5160] JFS: sb_issue_discard(00000000d7fc8c0d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 81.970112][ T5160] blkno = 8000000000400, nblocks = 400 [ 81.970937][ T5160] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 81.970937][ T5160] [ 81.974304][ T4965] BUG: Bad page state in process syz-executor pfn:111340 [ 81.975415][ T4965] page:00000000df155328 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111340 [ 81.977159][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 81.979139][ T4965] raw: 05ffc00000002006 fffffc0003aece88 ffff80001f5675c0 0000000000000000 [ 81.980585][ T4965] raw: 0000000000000004 ffff0000ebb366c8 00000000ffffffff 0000000000000000 [ 81.982032][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 81.983229][ T4965] Modules linked in: [ 81.983901][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 81.985394][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.987137][ T4965] Call trace: [ 81.987691][ T4965] dump_backtrace+0x0/0x458 [ 81.988434][ T4965] show_stack+0x2c/0x3c [ 81.989138][ T4965] __dump_stack+0x30/0x40 [ 81.989892][ T4965] dump_stack_lvl+0xf4/0x15c [ 81.990674][ T4965] dump_stack+0x1c/0x5c [ 81.991399][ T4965] bad_page+0x188/0x1a8 [ 81.992076][ T4965] check_free_page_bad+0xf4/0x16c [ 81.992902][ T4965] free_unref_page_prepare+0x738/0xa84 [ 81.993859][ T4965] free_unref_page_list+0xdc/0x730 [ 81.994733][ T4965] release_pages+0x13bc/0x16dc [ 81.995509][ T4965] __pagevec_release+0x84/0xf8 [ 81.996257][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 81.997164][ T4965] truncate_inode_pages+0x2c/0x3c [ 81.998047][ T4965] dbUnmount+0xf4/0x168 [ 81.998799][ T4965] jfs_umount+0x1c4/0x328 [ 81.999522][ T4965] jfs_put_super+0x90/0x188 [ 82.000262][ T4965] generic_shutdown_super+0x130/0x2f0 [ 82.001179][ T4965] kill_block_super+0x70/0xdc [ 82.001975][ T4965] deactivate_locked_super+0xb8/0x134 [ 82.002896][ T4965] deactivate_super+0xf0/0x110 [ 82.003669][ T4965] cleanup_mnt+0x3b8/0x46c [ 82.004411][ T4965] __cleanup_mnt+0x20/0x30 [ 82.005185][ T4965] task_work_run+0x12c/0x1d8 [ 82.005956][ T4965] do_notify_resume+0x2450/0x309c [ 82.006789][ T4965] el0_svc+0xf0/0x1d0 [ 82.007462][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 82.008340][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 82.134995][ T5162] loop0: detected capacity change from 0 to 32768 [ 82.170525][ T5162] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.170525][ T5162] [ 82.171941][ T5162] attempt to access beyond end of device [ 82.171941][ T5162] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.173840][ T5162] JFS: sb_issue_discard(00000000ffbc0d14, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.175587][ T5162] blkno = 8000000000400, nblocks = 400 [ 82.176613][ T5162] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.176613][ T5162] [ 82.180850][ T4965] BUG: Bad page state in process syz-executor pfn:113c35 [ 82.182002][ T4965] page:00000000ad1a2f53 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x113c35 [ 82.183604][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.185113][ T4965] raw: 05ffc00000002006 fffffc00034f1348 ffff80001f5675c0 0000000000000000 [ 82.186508][ T4965] raw: 0000000000000004 ffff0000c8435aa8 00000000ffffffff 0000000000000000 [ 82.187826][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.189408][ T4965] Modules linked in: [ 82.189975][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.191385][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.193006][ T4965] Call trace: [ 82.193525][ T4965] dump_backtrace+0x0/0x458 [ 82.194295][ T4965] show_stack+0x2c/0x3c [ 82.194982][ T4965] __dump_stack+0x30/0x40 [ 82.195680][ T4965] dump_stack_lvl+0xf4/0x15c [ 82.196403][ T4965] dump_stack+0x1c/0x5c [ 82.197063][ T4965] bad_page+0x188/0x1a8 [ 82.197728][ T4965] check_free_page_bad+0xf4/0x16c [ 82.198594][ T4965] free_unref_page_prepare+0x738/0xa84 [ 82.199520][ T4965] free_unref_page_list+0xdc/0x730 [ 82.200388][ T4965] release_pages+0x13bc/0x16dc [ 82.201187][ T4965] __pagevec_release+0x84/0xf8 [ 82.201975][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 82.202910][ T4965] truncate_inode_pages+0x2c/0x3c [ 82.203735][ T4965] dbUnmount+0xf4/0x168 [ 82.204431][ T4965] jfs_umount+0x1c4/0x328 [ 82.205152][ T4965] jfs_put_super+0x90/0x188 [ 82.205898][ T4965] generic_shutdown_super+0x130/0x2f0 [ 82.206804][ T4965] kill_block_super+0x70/0xdc [ 82.207567][ T4965] deactivate_locked_super+0xb8/0x134 [ 82.208456][ T4965] deactivate_super+0xf0/0x110 [ 82.209256][ T4965] cleanup_mnt+0x3b8/0x46c [ 82.209994][ T4965] __cleanup_mnt+0x20/0x30 [ 82.210719][ T4965] task_work_run+0x12c/0x1d8 [ 82.211450][ T4965] do_notify_resume+0x2450/0x309c [ 82.212287][ T4965] el0_svc+0xf0/0x1d0 [ 82.212948][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 82.213800][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 82.289749][ T5164] loop0: detected capacity change from 0 to 32768 [ 82.320163][ T5164] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.320163][ T5164] [ 82.321528][ T5164] attempt to access beyond end of device [ 82.321528][ T5164] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.323539][ T5164] JFS: sb_issue_discard(000000003de19d13, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.325239][ T5164] blkno = 8000000000400, nblocks = 400 [ 82.326071][ T5164] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.326071][ T5164] [ 82.330106][ T4965] BUG: Bad page state in process syz-executor pfn:102580 [ 82.331330][ T4965] page:00000000f72d931d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x102580 [ 82.332891][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.334519][ T4965] raw: 05ffc00000002006 fffffc000321fc08 ffff80001f5675c0 0000000000000000 [ 82.335978][ T4965] raw: 0000000000000004 ffff0000d1e091f0 00000000ffffffff 0000000000000000 [ 82.337380][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.338509][ T4965] Modules linked in: [ 82.339619][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.340944][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.342571][ T4965] Call trace: [ 82.343070][ T4965] dump_backtrace+0x0/0x458 [ 82.343765][ T4965] show_stack+0x2c/0x3c [ 82.344447][ T4965] __dump_stack+0x30/0x40 [ 82.345146][ T4965] dump_stack_lvl+0xf4/0x15c [ 82.345923][ T4965] dump_stack+0x1c/0x5c [ 82.346554][ T4965] bad_page+0x188/0x1a8 [ 82.347192][ T4965] check_free_page_bad+0xf4/0x16c [ 82.348013][ T4965] free_unref_page_prepare+0x738/0xa84 [ 82.348848][ T4965] free_unref_page_list+0xdc/0x730 [ 82.349629][ T4965] release_pages+0x13bc/0x16dc [ 82.350401][ T4965] __pagevec_release+0x84/0xf8 [ 82.351162][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 82.352125][ T4965] truncate_inode_pages+0x2c/0x3c [ 82.352929][ T4965] dbUnmount+0xf4/0x168 [ 82.353668][ T4965] jfs_umount+0x1c4/0x328 [ 82.354409][ T4965] jfs_put_super+0x90/0x188 [ 82.355163][ T4965] generic_shutdown_super+0x130/0x2f0 [ 82.356005][ T4965] kill_block_super+0x70/0xdc [ 82.356821][ T4965] deactivate_locked_super+0xb8/0x134 [ 82.357683][ T4965] deactivate_super+0xf0/0x110 [ 82.358452][ T4965] cleanup_mnt+0x3b8/0x46c [ 82.359140][ T4965] __cleanup_mnt+0x20/0x30 [ 82.359836][ T4965] task_work_run+0x12c/0x1d8 [ 82.360512][ T4965] do_notify_resume+0x2450/0x309c [ 82.361355][ T4965] el0_svc+0xf0/0x1d0 [ 82.361958][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 82.362783][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 82.446072][ T5166] loop0: detected capacity change from 0 to 32768 [ 82.539989][ T5166] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.539989][ T5166] [ 82.541374][ T5166] attempt to access beyond end of device [ 82.541374][ T5166] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.543279][ T5166] JFS: sb_issue_discard(00000000c5f81d7c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.545138][ T5166] blkno = 8000000000400, nblocks = 400 [ 82.546061][ T5166] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.546061][ T5166] [ 82.549656][ T4965] BUG: Bad page state in process syz-executor pfn:11b101 [ 82.550749][ T4965] page:00000000673f3095 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b101 [ 82.552483][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.554447][ T4965] raw: 05ffc00000002006 fffffc000324ba48 ffff80001f5675c0 0000000000000000 [ 82.555695][ T4965] raw: 0000000000000004 ffff0000d1e09c98 00000000ffffffff 0000000000000000 [ 82.557074][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.558219][ T4965] Modules linked in: [ 82.558950][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.560295][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.561868][ T4965] Call trace: [ 82.562387][ T4965] dump_backtrace+0x0/0x458 [ 82.563098][ T4965] show_stack+0x2c/0x3c [ 82.563712][ T4965] __dump_stack+0x30/0x40 [ 82.564402][ T4965] dump_stack_lvl+0xf4/0x15c [ 82.565100][ T4965] dump_stack+0x1c/0x5c [ 82.565736][ T4965] bad_page+0x188/0x1a8 [ 82.566393][ T4965] check_free_page_bad+0xf4/0x16c [ 82.567215][ T4965] free_unref_page_prepare+0x738/0xa84 [ 82.568146][ T4965] free_unref_page_list+0xdc/0x730 [ 82.568992][ T4965] release_pages+0x13bc/0x16dc [ 82.569810][ T4965] __pagevec_release+0x84/0xf8 [ 82.570597][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 82.571550][ T4965] truncate_inode_pages+0x2c/0x3c [ 82.572364][ T4965] dbUnmount+0xf4/0x168 [ 82.573028][ T4965] jfs_umount+0x1c4/0x328 [ 82.573750][ T4965] jfs_put_super+0x90/0x188 [ 82.574468][ T4965] generic_shutdown_super+0x130/0x2f0 [ 82.575373][ T4965] kill_block_super+0x70/0xdc [ 82.576142][ T4965] deactivate_locked_super+0xb8/0x134 [ 82.577026][ T4965] deactivate_super+0xf0/0x110 [ 82.577777][ T4965] cleanup_mnt+0x3b8/0x46c [ 82.578541][ T4965] __cleanup_mnt+0x20/0x30 [ 82.579222][ T4965] task_work_run+0x12c/0x1d8 [ 82.579968][ T4965] do_notify_resume+0x2450/0x309c [ 82.580758][ T4965] el0_svc+0xf0/0x1d0 [ 82.581400][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 82.582279][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 82.705182][ T5168] loop0: detected capacity change from 0 to 32768 [ 82.753045][ T5168] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.753045][ T5168] [ 82.754280][ T5168] attempt to access beyond end of device [ 82.754280][ T5168] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.756298][ T5168] JFS: sb_issue_discard(000000004dd210a0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.758104][ T5168] blkno = 8000000000400, nblocks = 400 [ 82.759348][ T5168] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.759348][ T5168] [ 82.762843][ T4965] BUG: Bad page state in process syz-executor pfn:12b96a [ 82.763888][ T4965] page:000000004342743b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b96a [ 82.765524][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.767138][ T4965] raw: 05ffc00000002006 fffffc00034c5948 ffff80001f5675c0 0000000000000000 [ 82.772937][ T4965] raw: 0000000000000004 ffff0000cb2535d0 00000000ffffffff 0000000000000000 [ 82.774293][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.775468][ T4965] Modules linked in: [ 82.776079][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.777430][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.778954][ T4965] Call trace: [ 82.779452][ T4965] dump_backtrace+0x0/0x458 [ 82.780146][ T4965] show_stack+0x2c/0x3c [ 82.780771][ T4965] __dump_stack+0x30/0x40 [ 82.781483][ T4965] dump_stack_lvl+0xf4/0x15c [ 82.782207][ T4965] dump_stack+0x1c/0x5c [ 82.782898][ T4965] bad_page+0x188/0x1a8 [ 82.783616][ T4965] check_free_page_bad+0xf4/0x16c [ 82.784439][ T4965] free_unref_page_prepare+0x738/0xa84 [ 82.785346][ T4965] free_unref_page_list+0xdc/0x730 [ 82.786226][ T4965] release_pages+0x13bc/0x16dc [ 82.787012][ T4965] __pagevec_release+0x84/0xf8 [ 82.787754][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 82.788646][ T4965] truncate_inode_pages+0x2c/0x3c [ 82.789408][ T4965] dbUnmount+0xf4/0x168 [ 82.790287][ T4965] jfs_umount+0x1c4/0x328 [ 82.791049][ T4965] jfs_put_super+0x90/0x188 [ 82.791748][ T4965] generic_shutdown_super+0x130/0x2f0 [ 82.792599][ T4965] kill_block_super+0x70/0xdc [ 82.793392][ T4965] deactivate_locked_super+0xb8/0x134 [ 82.794249][ T4965] deactivate_super+0xf0/0x110 [ 82.794989][ T4965] cleanup_mnt+0x3b8/0x46c [ 82.795705][ T4965] __cleanup_mnt+0x20/0x30 [ 82.796436][ T4965] task_work_run+0x12c/0x1d8 [ 82.797148][ T4965] do_notify_resume+0x2450/0x309c [ 82.797906][ T4965] el0_svc+0xf0/0x1d0 [ 82.798512][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 82.799380][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 82.904777][ T5170] loop0: detected capacity change from 0 to 32768 [ 82.963874][ T5170] ERROR: (device loop0): dbDiscardAG: -EIO [ 82.963874][ T5170] [ 82.965264][ T5170] attempt to access beyond end of device [ 82.965264][ T5170] loop0: rw=2051, want=18014398509498368, limit=32768 [ 82.967259][ T5170] JFS: sb_issue_discard(000000007f10334a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 82.969166][ T5170] blkno = 8000000000400, nblocks = 400 [ 82.969972][ T5170] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 82.969972][ T5170] [ 82.973532][ T4965] BUG: Bad page state in process syz-executor pfn:12ca44 [ 82.974675][ T4965] page:000000009dd521f6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12ca44 [ 82.976351][ T4965] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 82.977781][ T4965] raw: 05ffc00000002004 fffffc0003219688 ffff80001f5675c0 0000000000000000 [ 82.979993][ T4965] raw: 0000000000000004 ffff0000c9c6d000 00000000ffffffff 0000000000000000 [ 82.981386][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 82.982560][ T4965] Modules linked in: [ 82.983266][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 82.984651][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.986238][ T4965] Call trace: [ 82.986761][ T4965] dump_backtrace+0x0/0x458 [ 82.987470][ T4965] show_stack+0x2c/0x3c [ 82.988118][ T4965] __dump_stack+0x30/0x40 [ 82.988800][ T4965] dump_stack_lvl+0xf4/0x15c [ 82.989561][ T4965] dump_stack+0x1c/0x5c [ 82.990257][ T4965] bad_page+0x188/0x1a8 [ 82.990957][ T4965] check_free_page_bad+0xf4/0x16c [ 82.991759][ T4965] free_unref_page_prepare+0x738/0xa84 [ 82.992664][ T4965] free_unref_page_list+0xdc/0x730 [ 82.993523][ T4965] release_pages+0x13bc/0x16dc [ 82.994288][ T4965] __pagevec_release+0x84/0xf8 [ 82.995119][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 82.996023][ T4965] truncate_inode_pages+0x2c/0x3c [ 82.996818][ T4965] dbUnmount+0xf4/0x168 [ 82.997494][ T4965] jfs_umount+0x1c4/0x328 [ 82.998175][ T4965] jfs_put_super+0x90/0x188 [ 82.998898][ T4965] generic_shutdown_super+0x130/0x2f0 [ 82.999729][ T4965] kill_block_super+0x70/0xdc [ 83.000472][ T4965] deactivate_locked_super+0xb8/0x134 [ 83.001339][ T4965] deactivate_super+0xf0/0x110 [ 83.002090][ T4965] cleanup_mnt+0x3b8/0x46c [ 83.002762][ T4965] __cleanup_mnt+0x20/0x30 [ 83.003431][ T4965] task_work_run+0x12c/0x1d8 [ 83.004147][ T4965] do_notify_resume+0x2450/0x309c [ 83.004948][ T4965] el0_svc+0xf0/0x1d0 [ 83.005601][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 83.006424][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 83.104448][ T5172] loop0: detected capacity change from 0 to 32768 [ 83.146307][ T5172] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.146307][ T5172] [ 83.147624][ T5172] attempt to access beyond end of device [ 83.147624][ T5172] loop0: rw=2051, want=18014398509498368, limit=32768 [ 83.149724][ T5172] JFS: sb_issue_discard(00000000dc85fffb, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.151378][ T5172] blkno = 8000000000400, nblocks = 400 [ 83.152315][ T5172] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.152315][ T5172] [ 83.155677][ T4965] BUG: Bad page state in process syz-executor pfn:108f3f [ 83.156745][ T4965] page:00000000ee6e06f9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108f3f [ 83.158392][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.164459][ T4965] raw: 05ffc00000002006 fffffc0003449ac8 ffff80001f5675c0 0000000000000000 [ 83.165875][ T4965] raw: 0000000000000004 ffff0000c9c6daa8 00000000ffffffff 0000000000000000 [ 83.167229][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.168397][ T4965] Modules linked in: [ 83.169199][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.170453][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.172056][ T4965] Call trace: [ 83.172593][ T4965] dump_backtrace+0x0/0x458 [ 83.173271][ T4965] show_stack+0x2c/0x3c [ 83.173934][ T4965] __dump_stack+0x30/0x40 [ 83.174590][ T4965] dump_stack_lvl+0xf4/0x15c [ 83.175242][ T4965] dump_stack+0x1c/0x5c [ 83.175810][ T4965] bad_page+0x188/0x1a8 [ 83.176427][ T4965] check_free_page_bad+0xf4/0x16c [ 83.177166][ T4965] free_unref_page_prepare+0x738/0xa84 [ 83.177981][ T4965] free_unref_page_list+0xdc/0x730 [ 83.178762][ T4965] release_pages+0x13bc/0x16dc [ 83.179439][ T4965] __pagevec_release+0x84/0xf8 [ 83.180233][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 83.181147][ T4965] truncate_inode_pages+0x2c/0x3c [ 83.181894][ T4965] dbUnmount+0xf4/0x168 [ 83.182520][ T4965] jfs_umount+0x1c4/0x328 [ 83.183150][ T4965] jfs_put_super+0x90/0x188 [ 83.183918][ T4965] generic_shutdown_super+0x130/0x2f0 [ 83.184877][ T4965] kill_block_super+0x70/0xdc [ 83.185638][ T4965] deactivate_locked_super+0xb8/0x134 [ 83.186540][ T4965] deactivate_super+0xf0/0x110 [ 83.187311][ T4965] cleanup_mnt+0x3b8/0x46c [ 83.188048][ T4965] __cleanup_mnt+0x20/0x30 [ 83.188745][ T4965] task_work_run+0x12c/0x1d8 [ 83.189578][ T4965] do_notify_resume+0x2450/0x309c [ 83.190431][ T4965] el0_svc+0xf0/0x1d0 [ 83.191096][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 83.191975][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 83.334432][ T5174] loop0: detected capacity change from 0 to 32768 [ 83.382837][ T5174] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.382837][ T5174] [ 83.384169][ T5174] attempt to access beyond end of device [ 83.384169][ T5174] loop0: rw=2051, want=18014398509498368, limit=32768 [ 83.386142][ T5174] JFS: sb_issue_discard(00000000c2272f8c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.387751][ T5174] blkno = 8000000000400, nblocks = 400 [ 83.388835][ T5174] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.388835][ T5174] [ 83.392228][ T4965] BUG: Bad page state in process syz-executor pfn:105462 [ 83.393459][ T4965] page:00000000372fe1a0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x105462 [ 83.395240][ T4965] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.396670][ T4965] raw: 05ffc00000002004 fffffc0003a10008 ffff80001f5675c0 0000000000000000 [ 83.398101][ T4965] raw: 0000000000000004 ffff0000d2a324d8 00000000ffffffff 0000000000000000 [ 83.400180][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.401236][ T4965] Modules linked in: [ 83.401860][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.403329][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.404837][ T4965] Call trace: [ 83.405351][ T4965] dump_backtrace+0x0/0x458 [ 83.406128][ T4965] show_stack+0x2c/0x3c [ 83.406760][ T4965] __dump_stack+0x30/0x40 [ 83.407479][ T4965] dump_stack_lvl+0xf4/0x15c [ 83.408243][ T4965] dump_stack+0x1c/0x5c [ 83.408930][ T4965] bad_page+0x188/0x1a8 [ 83.409608][ T4965] check_free_page_bad+0xf4/0x16c [ 83.410425][ T4965] free_unref_page_prepare+0x738/0xa84 [ 83.411329][ T4965] free_unref_page_list+0xdc/0x730 [ 83.412179][ T4965] release_pages+0x13bc/0x16dc [ 83.412981][ T4965] __pagevec_release+0x84/0xf8 [ 83.413751][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 83.414682][ T4965] truncate_inode_pages+0x2c/0x3c [ 83.415502][ T4965] dbUnmount+0xf4/0x168 [ 83.416167][ T4965] jfs_umount+0x1c4/0x328 [ 83.416917][ T4965] jfs_put_super+0x90/0x188 [ 83.417663][ T4965] generic_shutdown_super+0x130/0x2f0 [ 83.418625][ T4965] kill_block_super+0x70/0xdc [ 83.419378][ T4965] deactivate_locked_super+0xb8/0x134 [ 83.420294][ T4965] deactivate_super+0xf0/0x110 [ 83.421089][ T4965] cleanup_mnt+0x3b8/0x46c [ 83.421871][ T4965] __cleanup_mnt+0x20/0x30 [ 83.422648][ T4965] task_work_run+0x12c/0x1d8 [ 83.423509][ T4965] do_notify_resume+0x2450/0x309c [ 83.424365][ T4965] el0_svc+0xf0/0x1d0 [ 83.425021][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 83.425866][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 83.448683][ T3624] Bluetooth: hci0: command 0x0419 tx timeout [ 83.534942][ T5176] loop0: detected capacity change from 0 to 32768 [ 83.574245][ T5176] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.574245][ T5176] [ 83.575613][ T5176] attempt to access beyond end of device [ 83.575613][ T5176] loop0: rw=2051, want=18014398509498368, limit=32768 [ 83.577744][ T5176] JFS: sb_issue_discard(00000000e991431f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.579679][ T5176] blkno = 8000000000400, nblocks = 400 [ 83.580535][ T5176] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.580535][ T5176] [ 83.584434][ T4965] BUG: Bad page state in process syz-executor pfn:10de1d [ 83.585564][ T4965] page:0000000020a9b6cf refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10de1d [ 83.587242][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.589403][ T4965] raw: 05ffc00000002006 fffffc00036ff408 ffff80001f5675c0 0000000000000000 [ 83.590766][ T4965] raw: 0000000000000004 ffff0000cac7cd90 00000000ffffffff 0000000000000000 [ 83.592025][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.593179][ T4965] Modules linked in: [ 83.593835][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.595267][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.596888][ T4965] Call trace: [ 83.597409][ T4965] dump_backtrace+0x0/0x458 [ 83.598102][ T4965] show_stack+0x2c/0x3c [ 83.598749][ T4965] __dump_stack+0x30/0x40 [ 83.599476][ T4965] dump_stack_lvl+0xf4/0x15c [ 83.600247][ T4965] dump_stack+0x1c/0x5c [ 83.600957][ T4965] bad_page+0x188/0x1a8 [ 83.601644][ T4965] check_free_page_bad+0xf4/0x16c [ 83.602473][ T4965] free_unref_page_prepare+0x738/0xa84 [ 83.603364][ T4965] free_unref_page_list+0xdc/0x730 [ 83.604170][ T4965] release_pages+0x13bc/0x16dc [ 83.604898][ T4965] __pagevec_release+0x84/0xf8 [ 83.605654][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 83.606603][ T4965] truncate_inode_pages+0x2c/0x3c [ 83.607423][ T4965] dbUnmount+0xf4/0x168 [ 83.608136][ T4965] jfs_umount+0x1c4/0x328 [ 83.608841][ T4965] jfs_put_super+0x90/0x188 [ 83.609587][ T4965] generic_shutdown_super+0x130/0x2f0 [ 83.610453][ T4965] kill_block_super+0x70/0xdc [ 83.611240][ T4965] deactivate_locked_super+0xb8/0x134 [ 83.612129][ T4965] deactivate_super+0xf0/0x110 [ 83.612992][ T4965] cleanup_mnt+0x3b8/0x46c [ 83.613822][ T4965] __cleanup_mnt+0x20/0x30 [ 83.614566][ T4965] task_work_run+0x12c/0x1d8 [ 83.615326][ T4965] do_notify_resume+0x2450/0x309c [ 83.616231][ T4965] el0_svc+0xf0/0x1d0 [ 83.616896][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 83.617675][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 83.795693][ T5178] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.795693][ T5178] [ 83.797032][ T5178] JFS: sb_issue_discard(00000000115d4f4c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.798757][ T5178] blkno = 8000000000400, nblocks = 400 [ 83.799581][ T5178] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.799581][ T5178] [ 83.802913][ T4965] BUG: Bad page state in process syz-executor pfn:10a43c [ 83.804076][ T4965] page:0000000048c8f3d3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a43c [ 83.805891][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.807315][ T4965] raw: 05ffc00000002006 fffffc00031f5f88 ffff80001f5675c0 0000000000000000 [ 83.809486][ T4965] raw: 0000000000000004 ffff0000cfe188b8 00000000ffffffff 0000000000000000 [ 83.810941][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.812054][ T4965] Modules linked in: [ 83.812674][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.814083][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.815755][ T4965] Call trace: [ 83.816244][ T4965] dump_backtrace+0x0/0x458 [ 83.816968][ T4965] show_stack+0x2c/0x3c [ 83.817701][ T4965] __dump_stack+0x30/0x40 [ 83.818388][ T4965] dump_stack_lvl+0xf4/0x15c [ 83.819115][ T4965] dump_stack+0x1c/0x5c [ 83.819809][ T4965] bad_page+0x188/0x1a8 [ 83.820486][ T4965] check_free_page_bad+0xf4/0x16c [ 83.821251][ T4965] free_unref_page_prepare+0x738/0xa84 [ 83.822060][ T4965] free_unref_page_list+0xdc/0x730 [ 83.822927][ T4965] release_pages+0x13bc/0x16dc [ 83.823730][ T4965] __pagevec_release+0x84/0xf8 [ 83.824441][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 83.825414][ T4965] truncate_inode_pages+0x2c/0x3c [ 83.826242][ T4965] dbUnmount+0xf4/0x168 [ 83.826915][ T4965] jfs_umount+0x1c4/0x328 [ 83.827636][ T4965] jfs_put_super+0x90/0x188 [ 83.828394][ T4965] generic_shutdown_super+0x130/0x2f0 [ 83.829275][ T4965] kill_block_super+0x70/0xdc [ 83.830008][ T4965] deactivate_locked_super+0xb8/0x134 [ 83.830853][ T4965] deactivate_super+0xf0/0x110 [ 83.831627][ T4965] cleanup_mnt+0x3b8/0x46c [ 83.832359][ T4965] __cleanup_mnt+0x20/0x30 [ 83.833083][ T4965] task_work_run+0x12c/0x1d8 [ 83.833830][ T4965] do_notify_resume+0x2450/0x309c [ 83.834662][ T4965] el0_svc+0xf0/0x1d0 [ 83.835319][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 83.836153][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 83.971001][ T5180] ERROR: (device loop0): dbDiscardAG: -EIO [ 83.971001][ T5180] [ 83.972329][ T5180] JFS: sb_issue_discard(000000007b18dd89, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 83.973960][ T5180] blkno = 8000000000400, nblocks = 400 [ 83.974878][ T5180] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 83.974878][ T5180] [ 83.978226][ T4965] BUG: Bad page state in process syz-executor pfn:11d530 [ 83.979810][ T4965] page:00000000a695541d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11d530 [ 83.981515][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 83.983093][ T4965] raw: 05ffc00000002006 fffffc0003b1d2c8 ffff80001f5675c0 0000000000000000 [ 83.984496][ T4965] raw: 0000000000000004 ffff0000dd5321f0 00000000ffffffff 0000000000000000 [ 83.985874][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 83.987165][ T4965] Modules linked in: [ 83.987778][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 83.989247][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.990787][ T4965] Call trace: [ 83.991316][ T4965] dump_backtrace+0x0/0x458 [ 83.992041][ T4965] show_stack+0x2c/0x3c [ 83.992738][ T4965] __dump_stack+0x30/0x40 [ 83.993394][ T4965] dump_stack_lvl+0xf4/0x15c [ 83.994144][ T4965] dump_stack+0x1c/0x5c [ 83.994797][ T4965] bad_page+0x188/0x1a8 [ 83.995528][ T4965] check_free_page_bad+0xf4/0x16c [ 83.996357][ T4965] free_unref_page_prepare+0x738/0xa84 [ 83.997277][ T4965] free_unref_page_list+0xdc/0x730 [ 83.998142][ T4965] release_pages+0x13bc/0x16dc [ 83.998949][ T4965] __pagevec_release+0x84/0xf8 [ 83.999742][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 84.000701][ T4965] truncate_inode_pages+0x2c/0x3c [ 84.001542][ T4965] dbUnmount+0xf4/0x168 [ 84.002208][ T4965] jfs_umount+0x1c4/0x328 [ 84.002932][ T4965] jfs_put_super+0x90/0x188 [ 84.003684][ T4965] generic_shutdown_super+0x130/0x2f0 [ 84.004572][ T4965] kill_block_super+0x70/0xdc [ 84.005344][ T4965] deactivate_locked_super+0xb8/0x134 [ 84.006218][ T4965] deactivate_super+0xf0/0x110 [ 84.006979][ T4965] cleanup_mnt+0x3b8/0x46c [ 84.007705][ T4965] __cleanup_mnt+0x20/0x30 [ 84.008450][ T4965] task_work_run+0x12c/0x1d8 [ 84.009189][ T4965] do_notify_resume+0x2450/0x309c [ 84.010005][ T4965] el0_svc+0xf0/0x1d0 [ 84.010655][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 84.011495][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 84.162325][ T5182] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.162325][ T5182] [ 84.163694][ T5182] JFS: sb_issue_discard(0000000075500686, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.165505][ T5182] blkno = 8000000000400, nblocks = 400 [ 84.166348][ T5182] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.166348][ T5182] [ 84.169803][ T4965] BUG: Bad page state in process syz-executor pfn:12b8aa [ 84.170862][ T4965] page:00000000f744c7dd refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12b8aa [ 84.172570][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.174173][ T4965] raw: 05ffc00000002006 fffffc000328e648 ffff80001f5675c0 0000000000000000 [ 84.175629][ T4965] raw: 0000000000000004 ffff0000dd532c98 00000000ffffffff 0000000000000000 [ 84.177000][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.178188][ T4965] Modules linked in: [ 84.180171][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.181668][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.183371][ T4965] Call trace: [ 84.183850][ T4965] dump_backtrace+0x0/0x458 [ 84.184564][ T4965] show_stack+0x2c/0x3c [ 84.185245][ T4965] __dump_stack+0x30/0x40 [ 84.185944][ T4965] dump_stack_lvl+0xf4/0x15c [ 84.186732][ T4965] dump_stack+0x1c/0x5c [ 84.187426][ T4965] bad_page+0x188/0x1a8 [ 84.188083][ T4965] check_free_page_bad+0xf4/0x16c [ 84.188918][ T4965] free_unref_page_prepare+0x738/0xa84 [ 84.189858][ T4965] free_unref_page_list+0xdc/0x730 [ 84.190627][ T4965] release_pages+0x13bc/0x16dc [ 84.191382][ T4965] __pagevec_release+0x84/0xf8 [ 84.192185][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 84.193120][ T4965] truncate_inode_pages+0x2c/0x3c [ 84.193917][ T4965] dbUnmount+0xf4/0x168 [ 84.194585][ T4965] jfs_umount+0x1c4/0x328 [ 84.195289][ T4965] jfs_put_super+0x90/0x188 [ 84.196038][ T4965] generic_shutdown_super+0x130/0x2f0 [ 84.196897][ T4965] kill_block_super+0x70/0xdc [ 84.197657][ T4965] deactivate_locked_super+0xb8/0x134 [ 84.198509][ T4965] deactivate_super+0xf0/0x110 [ 84.199265][ T4965] cleanup_mnt+0x3b8/0x46c [ 84.200017][ T4965] __cleanup_mnt+0x20/0x30 [ 84.200719][ T4965] task_work_run+0x12c/0x1d8 [ 84.201464][ T4965] do_notify_resume+0x2450/0x309c [ 84.202273][ T4965] el0_svc+0xf0/0x1d0 [ 84.202929][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 84.203799][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 84.397694][ T5184] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.397694][ T5184] [ 84.399622][ T5184] JFS: sb_issue_discard(00000000da92c3bc, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.401196][ T5184] blkno = 8000000000400, nblocks = 400 [ 84.402240][ T5184] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.402240][ T5184] [ 84.409818][ T4965] BUG: Bad page state in process syz-executor pfn:107e8c [ 84.411009][ T4965] page:00000000132ad0e6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107e8c [ 84.412709][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.414286][ T4965] raw: 05ffc00000002006 fffffc0003a10608 ffff80001f5675c0 0000000000000000 [ 84.415808][ T4965] raw: 0000000000000004 ffff0000c9ee60f8 00000000ffffffff 0000000000000000 [ 84.417194][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.418337][ T4965] Modules linked in: [ 84.419725][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.421146][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.422761][ T4965] Call trace: [ 84.423252][ T4965] dump_backtrace+0x0/0x458 [ 84.423956][ T4965] show_stack+0x2c/0x3c [ 84.424624][ T4965] __dump_stack+0x30/0x40 [ 84.425356][ T4965] dump_stack_lvl+0xf4/0x15c [ 84.426019][ T4965] dump_stack+0x1c/0x5c [ 84.426674][ T4965] bad_page+0x188/0x1a8 [ 84.427299][ T4965] check_free_page_bad+0xf4/0x16c [ 84.428146][ T4965] free_unref_page_prepare+0x738/0xa84 [ 84.429038][ T4965] free_unref_page_list+0xdc/0x730 [ 84.429865][ T4965] release_pages+0x13bc/0x16dc [ 84.430651][ T4965] __pagevec_release+0x84/0xf8 [ 84.431386][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 84.432259][ T4965] truncate_inode_pages+0x2c/0x3c [ 84.433130][ T4965] dbUnmount+0xf4/0x168 [ 84.433788][ T4965] jfs_umount+0x1c4/0x328 [ 84.434504][ T4965] jfs_put_super+0x90/0x188 [ 84.435248][ T4965] generic_shutdown_super+0x130/0x2f0 [ 84.436125][ T4965] kill_block_super+0x70/0xdc [ 84.436934][ T4965] deactivate_locked_super+0xb8/0x134 [ 84.437824][ T4965] deactivate_super+0xf0/0x110 [ 84.438585][ T4965] cleanup_mnt+0x3b8/0x46c [ 84.439302][ T4965] __cleanup_mnt+0x20/0x30 [ 84.440035][ T4965] task_work_run+0x12c/0x1d8 [ 84.440758][ T4965] do_notify_resume+0x2450/0x309c [ 84.441577][ T4965] el0_svc+0xf0/0x1d0 [ 84.442158][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 84.442938][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 84.561288][ T5186] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.561288][ T5186] [ 84.562752][ T5186] JFS: sb_issue_discard(0000000040632c48, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.564397][ T5186] blkno = 8000000000400, nblocks = 400 [ 84.565326][ T5186] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.565326][ T5186] [ 84.569418][ T4965] BUG: Bad page state in process syz-executor pfn:12f679 [ 84.570584][ T4965] page:00000000cfecc954 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12f679 [ 84.572226][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.573863][ T4965] raw: 05ffc00000002006 fffffc000304b2c8 ffff80001f5675c0 0000000000000000 [ 84.575484][ T4965] raw: 0000000000000004 ffff0000c9ee6ba0 00000000ffffffff 0000000000000000 [ 84.576871][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.578057][ T4965] Modules linked in: [ 84.579112][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.580605][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.582240][ T4965] Call trace: [ 84.582806][ T4965] dump_backtrace+0x0/0x458 [ 84.583556][ T4965] show_stack+0x2c/0x3c [ 84.584148][ T4965] __dump_stack+0x30/0x40 [ 84.584885][ T4965] dump_stack_lvl+0xf4/0x15c [ 84.585609][ T4965] dump_stack+0x1c/0x5c [ 84.586298][ T4965] bad_page+0x188/0x1a8 [ 84.586998][ T4965] check_free_page_bad+0xf4/0x16c [ 84.587785][ T4965] free_unref_page_prepare+0x738/0xa84 [ 84.588709][ T4965] free_unref_page_list+0xdc/0x730 [ 84.589546][ T4965] release_pages+0x13bc/0x16dc [ 84.590379][ T4965] __pagevec_release+0x84/0xf8 [ 84.591222][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 84.592180][ T4965] truncate_inode_pages+0x2c/0x3c [ 84.593060][ T4965] dbUnmount+0xf4/0x168 [ 84.593741][ T4965] jfs_umount+0x1c4/0x328 [ 84.594380][ T4965] jfs_put_super+0x90/0x188 [ 84.595123][ T4965] generic_shutdown_super+0x130/0x2f0 [ 84.596015][ T4965] kill_block_super+0x70/0xdc [ 84.596806][ T4965] deactivate_locked_super+0xb8/0x134 [ 84.597702][ T4965] deactivate_super+0xf0/0x110 [ 84.598475][ T4965] cleanup_mnt+0x3b8/0x46c [ 84.599155][ T4965] __cleanup_mnt+0x20/0x30 [ 84.599822][ T4965] task_work_run+0x12c/0x1d8 [ 84.600522][ T4965] do_notify_resume+0x2450/0x309c [ 84.601390][ T4965] el0_svc+0xf0/0x1d0 [ 84.602004][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 84.602808][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 84.772855][ T5188] ERROR: (device loop0): dbDiscardAG: -EIO [ 84.772855][ T5188] [ 84.774397][ T5188] JFS: sb_issue_discard(000000002ab3bb1d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 84.776430][ T5188] blkno = 8000000000400, nblocks = 400 [ 84.777425][ T5188] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 84.777425][ T5188] [ 84.781378][ T4965] BUG: Bad page state in process syz-executor pfn:111781 [ 84.782613][ T4965] page:00000000ac99d607 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111781 [ 84.784374][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 84.785940][ T4965] raw: 05ffc00000002006 fffffc00032bf1c8 ffff80001f5675c0 0000000000000000 [ 84.787296][ T4965] raw: 0000000000000004 ffff0000cac7c1f0 00000000ffffffff 0000000000000000 [ 84.788600][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 84.790027][ T4965] Modules linked in: [ 84.790645][ T4965] CPU: 0 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 84.792014][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.793758][ T4965] Call trace: [ 84.794289][ T4965] dump_backtrace+0x0/0x458 [ 84.794995][ T4965] show_stack+0x2c/0x3c [ 84.795676][ T4965] __dump_stack+0x30/0x40 [ 84.796386][ T4965] dump_stack_lvl+0xf4/0x15c [ 84.797092][ T4965] dump_stack+0x1c/0x5c [ 84.797731][ T4965] bad_page+0x188/0x1a8 [ 84.798380][ T4965] check_free_page_bad+0xf4/0x16c [ 84.799108][ T4965] free_unref_page_prepare+0x738/0xa84 [ 84.799942][ T4965] free_unref_page_list+0xdc/0x730 [ 84.800803][ T4965] release_pages+0x13bc/0x16dc [ 84.801541][ T4965] __pagevec_release+0x84/0xf8 [ 84.802231][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 84.803200][ T4965] truncate_inode_pages+0x2c/0x3c [ 84.804073][ T4965] dbUnmount+0xf4/0x168 [ 84.804795][ T4965] jfs_umount+0x1c4/0x328 [ 84.805520][ T4965] jfs_put_super+0x90/0x188 [ 84.806276][ T4965] generic_shutdown_super+0x130/0x2f0 [ 84.807212][ T4965] kill_block_super+0x70/0xdc [ 84.808020][ T4965] deactivate_locked_super+0xb8/0x134 [ 84.808881][ T4965] deactivate_super+0xf0/0x110 [ 84.809637][ T4965] cleanup_mnt+0x3b8/0x46c [ 84.810360][ T4965] __cleanup_mnt+0x20/0x30 [ 84.811084][ T4965] task_work_run+0x12c/0x1d8 [ 84.811856][ T4965] do_notify_resume+0x2450/0x309c [ 84.812774][ T4965] el0_svc+0xf0/0x1d0 [ 84.813468][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 84.814296][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 85.003870][ T5190] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.003870][ T5190] [ 85.005273][ T5190] JFS: sb_issue_discard(000000005687dd55, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.007027][ T5190] blkno = 8000000000400, nblocks = 400 [ 85.007971][ T5190] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.007971][ T5190] [ 85.012407][ T4965] BUG: Bad page state in process syz-executor pfn:10eba1 [ 85.013676][ T4965] page:00000000fb2f12e3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10eba1 [ 85.015378][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.016979][ T4965] raw: 05ffc00000002006 fffffc00034c52c8 ffff80001f5675c0 0000000000000000 [ 85.018421][ T4965] raw: 0000000000000004 ffff0000cf678d90 00000000ffffffff 0000000000000000 [ 85.020345][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.021554][ T4965] Modules linked in: [ 85.022163][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.023703][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.025416][ T4965] Call trace: [ 85.025914][ T4965] dump_backtrace+0x0/0x458 [ 85.026594][ T4965] show_stack+0x2c/0x3c [ 85.027240][ T4965] __dump_stack+0x30/0x40 [ 85.027992][ T4965] dump_stack_lvl+0xf4/0x15c [ 85.028777][ T4965] dump_stack+0x1c/0x5c [ 85.029477][ T4965] bad_page+0x188/0x1a8 [ 85.030172][ T4965] check_free_page_bad+0xf4/0x16c [ 85.030980][ T4965] free_unref_page_prepare+0x738/0xa84 [ 85.031869][ T4965] free_unref_page_list+0xdc/0x730 [ 85.032695][ T4965] release_pages+0x13bc/0x16dc [ 85.033501][ T4965] __pagevec_release+0x84/0xf8 [ 85.034228][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 85.035205][ T4965] truncate_inode_pages+0x2c/0x3c [ 85.036022][ T4965] dbUnmount+0xf4/0x168 [ 85.036724][ T4965] jfs_umount+0x1c4/0x328 [ 85.037423][ T4965] jfs_put_super+0x90/0x188 [ 85.038126][ T4965] generic_shutdown_super+0x130/0x2f0 [ 85.039003][ T4965] kill_block_super+0x70/0xdc [ 85.039791][ T4965] deactivate_locked_super+0xb8/0x134 [ 85.040670][ T4965] deactivate_super+0xf0/0x110 [ 85.041437][ T4965] cleanup_mnt+0x3b8/0x46c [ 85.042186][ T4965] __cleanup_mnt+0x20/0x30 [ 85.042922][ T4965] task_work_run+0x12c/0x1d8 [ 85.043603][ T4965] do_notify_resume+0x2450/0x309c [ 85.044414][ T4965] el0_svc+0xf0/0x1d0 [ 85.045016][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 85.045798][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 85.202823][ T5192] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.202823][ T5192] [ 85.204266][ T5192] JFS: sb_issue_discard(00000000b65163db, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.205963][ T5192] blkno = 8000000000400, nblocks = 400 [ 85.206802][ T5192] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.206802][ T5192] [ 85.210327][ T4965] BUG: Bad page state in process syz-executor pfn:12ca2a [ 85.211432][ T4965] page:00000000af686f34 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12ca2a [ 85.213058][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.214731][ T4965] raw: 05ffc00000002006 fffffc00032c9408 ffff80001f5675c0 0000000000000000 [ 85.216473][ T4965] raw: 0000000000000004 ffff0000cb747c98 00000000ffffffff 0000000000000000 [ 85.217861][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.219618][ T4965] Modules linked in: [ 85.220271][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.221638][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.223355][ T4965] Call trace: [ 85.223957][ T4965] dump_backtrace+0x0/0x458 [ 85.224624][ T4965] show_stack+0x2c/0x3c [ 85.225309][ T4965] __dump_stack+0x30/0x40 [ 85.226077][ T4965] dump_stack_lvl+0xf4/0x15c [ 85.226764][ T4965] dump_stack+0x1c/0x5c [ 85.227397][ T4965] bad_page+0x188/0x1a8 [ 85.228048][ T4965] check_free_page_bad+0xf4/0x16c [ 85.228836][ T4965] free_unref_page_prepare+0x738/0xa84 [ 85.229718][ T4965] free_unref_page_list+0xdc/0x730 [ 85.230603][ T4965] release_pages+0x13bc/0x16dc [ 85.231414][ T4965] __pagevec_release+0x84/0xf8 [ 85.232199][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 85.233167][ T4965] truncate_inode_pages+0x2c/0x3c [ 85.234054][ T4965] dbUnmount+0xf4/0x168 [ 85.234756][ T4965] jfs_umount+0x1c4/0x328 [ 85.235482][ T4965] jfs_put_super+0x90/0x188 [ 85.236188][ T4965] generic_shutdown_super+0x130/0x2f0 [ 85.237067][ T4965] kill_block_super+0x70/0xdc [ 85.237860][ T4965] deactivate_locked_super+0xb8/0x134 [ 85.238750][ T4965] deactivate_super+0xf0/0x110 [ 85.239569][ T4965] cleanup_mnt+0x3b8/0x46c [ 85.240304][ T4965] __cleanup_mnt+0x20/0x30 [ 85.241016][ T4965] task_work_run+0x12c/0x1d8 [ 85.241724][ T4965] do_notify_resume+0x2450/0x309c [ 85.242574][ T4965] el0_svc+0xf0/0x1d0 [ 85.243184][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 85.244032][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 85.434216][ T5194] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.434216][ T5194] [ 85.435546][ T5194] JFS: sb_issue_discard(00000000a0b354a5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.437207][ T5194] blkno = 8000000000400, nblocks = 400 [ 85.438000][ T5194] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.438000][ T5194] 1970/01/01 00:01:25 executed programs: 46 [ 85.510829][ T4879] BUG: Bad page state in process udevd pfn:127802 [ 85.511940][ T4879] page:0000000009f6219d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x127802 [ 85.513653][ T4879] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.515396][ T4879] raw: 05ffc00000002006 fffffc00033aea48 ffff80001f7771e0 0000000000000000 [ 85.516903][ T4879] raw: 0000000000000004 ffff0000cdfe1d90 00000000ffffffff 0000000000000000 [ 85.518371][ T4879] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.519696][ T4879] Modules linked in: [ 85.520365][ T4879] CPU: 0 PID: 4879 Comm: udevd Tainted: G B syzkaller #0 [ 85.521702][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.523413][ T4879] Call trace: [ 85.523933][ T4879] dump_backtrace+0x0/0x458 [ 85.524666][ T4879] show_stack+0x2c/0x3c [ 85.525322][ T4879] __dump_stack+0x30/0x40 [ 85.526014][ T4879] dump_stack_lvl+0xf4/0x15c [ 85.526771][ T4879] dump_stack+0x1c/0x5c [ 85.527433][ T4879] bad_page+0x188/0x1a8 [ 85.528086][ T4879] check_free_page_bad+0xf4/0x16c [ 85.528810][ T4879] free_unref_page_prepare+0x738/0xa84 [ 85.529723][ T4879] free_unref_page_list+0xdc/0x730 [ 85.530544][ T4879] release_pages+0x13bc/0x16dc [ 85.531296][ T4879] __pagevec_lru_add+0x1280/0x1588 [ 85.532096][ T4879] lru_add_drain_cpu+0xb8/0x5a4 [ 85.532880][ T4879] lru_add_drain+0x8c/0x164 [ 85.533629][ T4879] __pagevec_release+0x5c/0xf8 [ 85.534391][ T4879] shmem_undo_range+0x514/0x1294 [ 85.535204][ T4879] shmem_evict_inode+0x1c8/0x838 [ 85.535997][ T4879] evict+0x3e0/0x828 [ 85.536553][ T4879] iput+0x6ac/0x764 [ 85.537122][ T4879] dentry_unlink_inode+0x360/0x438 [ 85.537921][ T4879] __dentry_kill+0x320/0x598 [ 85.538650][ T4879] dentry_kill+0xc8/0x248 [ 85.539391][ T4879] dput+0x23c/0x458 [ 85.540037][ T4879] do_renameat2+0x784/0xcfc [ 85.540791][ T4879] __arm64_sys_renameat+0xc8/0xe4 [ 85.541667][ T4879] invoke_syscall+0x98/0x2b0 [ 85.542463][ T4879] el0_svc_common+0x138/0x258 [ 85.543207][ T4879] do_el0_svc+0x58/0x13c [ 85.543848][ T4879] el0_svc+0x78/0x1d0 [ 85.544533][ T4879] el0t_64_sync_handler+0xcc/0xe4 [ 85.545297][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 85.653129][ T5196] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.653129][ T5196] [ 85.654462][ T5196] JFS: sb_issue_discard(00000000ad78e19e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.656069][ T5196] blkno = 8000000000400, nblocks = 400 [ 85.656991][ T5196] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.656991][ T5196] [ 85.660989][ T4965] BUG: Bad page state in process syz-executor pfn:128874 [ 85.662084][ T4965] page:00000000979f212e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x128874 [ 85.663725][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.665261][ T4965] raw: 05ffc00000002006 fffffc0003264188 ffff80001f5675c0 0000000000000000 [ 85.666670][ T4965] raw: 0000000000000004 ffff0000cdfe12e8 00000000ffffffff 0000000000000000 [ 85.668076][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.669430][ T4965] Modules linked in: [ 85.670068][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.671514][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.672992][ T4965] Call trace: [ 85.673513][ T4965] dump_backtrace+0x0/0x458 [ 85.674179][ T4965] show_stack+0x2c/0x3c [ 85.674803][ T4965] __dump_stack+0x30/0x40 [ 85.675506][ T4965] dump_stack_lvl+0xf4/0x15c [ 85.676262][ T4965] dump_stack+0x1c/0x5c [ 85.676952][ T4965] bad_page+0x188/0x1a8 [ 85.677598][ T4965] check_free_page_bad+0xf4/0x16c [ 85.678449][ T4965] free_unref_page_prepare+0x738/0xa84 [ 85.679340][ T4965] free_unref_page_list+0xdc/0x730 [ 85.680226][ T4965] release_pages+0x13bc/0x16dc [ 85.681044][ T4965] __pagevec_release+0x84/0xf8 [ 85.681777][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 85.682698][ T4965] truncate_inode_pages+0x2c/0x3c [ 85.683454][ T4965] dbUnmount+0xf4/0x168 [ 85.684076][ T4965] jfs_umount+0x1c4/0x328 [ 85.684797][ T4965] jfs_put_super+0x90/0x188 [ 85.685602][ T4965] generic_shutdown_super+0x130/0x2f0 [ 85.686516][ T4965] kill_block_super+0x70/0xdc [ 85.687302][ T4965] deactivate_locked_super+0xb8/0x134 [ 85.688196][ T4965] deactivate_super+0xf0/0x110 [ 85.688985][ T4965] cleanup_mnt+0x3b8/0x46c [ 85.689675][ T4965] __cleanup_mnt+0x20/0x30 [ 85.690367][ T4965] task_work_run+0x12c/0x1d8 [ 85.691108][ T4965] do_notify_resume+0x2450/0x309c [ 85.691951][ T4965] el0_svc+0xf0/0x1d0 [ 85.692580][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 85.693410][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 85.835680][ T5198] ERROR: (device loop0): dbDiscardAG: -EIO [ 85.835680][ T5198] [ 85.837128][ T5198] JFS: sb_issue_discard(00000000d05619cd, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 85.839194][ T5198] blkno = 8000000000400, nblocks = 400 [ 85.840104][ T5198] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 85.840104][ T5198] [ 85.843712][ T4965] BUG: Bad page state in process syz-executor pfn:1278d0 [ 85.844917][ T4965] page:0000000011201a5a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1278d0 [ 85.846550][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 85.848163][ T4965] raw: 05ffc00000002006 fffffc0003ae5b88 ffff80001f5675c0 0000000000000000 [ 85.849723][ T4965] raw: 0000000000000004 ffff0000cd79d000 00000000ffffffff 0000000000000000 [ 85.851239][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 85.852380][ T4965] Modules linked in: [ 85.852989][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 85.854365][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.855964][ T4965] Call trace: [ 85.856480][ T4965] dump_backtrace+0x0/0x458 [ 85.857188][ T4965] show_stack+0x2c/0x3c [ 85.857812][ T4965] __dump_stack+0x30/0x40 [ 85.858450][ T4965] dump_stack_lvl+0xf4/0x15c [ 85.859237][ T4965] dump_stack+0x1c/0x5c [ 85.859902][ T4965] bad_page+0x188/0x1a8 [ 85.860591][ T4965] check_free_page_bad+0xf4/0x16c [ 85.861463][ T4965] free_unref_page_prepare+0x738/0xa84 [ 85.862356][ T4965] free_unref_page_list+0xdc/0x730 [ 85.863149][ T4965] release_pages+0x13bc/0x16dc [ 85.863906][ T4965] __pagevec_release+0x84/0xf8 [ 85.864711][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 85.865662][ T4965] truncate_inode_pages+0x2c/0x3c [ 85.866488][ T4965] dbUnmount+0xf4/0x168 [ 85.867148][ T4965] jfs_umount+0x1c4/0x328 [ 85.867860][ T4965] jfs_put_super+0x90/0x188 [ 85.868600][ T4965] generic_shutdown_super+0x130/0x2f0 [ 85.869512][ T4965] kill_block_super+0x70/0xdc [ 85.870287][ T4965] deactivate_locked_super+0xb8/0x134 [ 85.871166][ T4965] deactivate_super+0xf0/0x110 [ 85.871942][ T4965] cleanup_mnt+0x3b8/0x46c [ 85.872655][ T4965] __cleanup_mnt+0x20/0x30 [ 85.873376][ T4965] task_work_run+0x12c/0x1d8 [ 85.874123][ T4965] do_notify_resume+0x2450/0x309c [ 85.874983][ T4965] el0_svc+0xf0/0x1d0 [ 85.875638][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 85.876483][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 86.072591][ T5200] ERROR: (device loop0): dbDiscardAG: -EIO [ 86.072591][ T5200] [ 86.074087][ T5200] JFS: sb_issue_discard(0000000046eae9a7, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 86.075809][ T5200] blkno = 8000000000400, nblocks = 400 [ 86.076768][ T5200] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 86.076768][ T5200] [ 86.080465][ T4965] BUG: Bad page state in process syz-executor pfn:11d460 [ 86.081639][ T4965] page:000000008a107b07 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11d460 [ 86.083357][ T4965] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.084831][ T4965] raw: 05ffc00000002004 fffffc00032ada88 ffff80001f5675c0 0000000000000000 [ 86.086223][ T4965] raw: 0000000000000004 ffff0000c8919ba0 00000000ffffffff 0000000000000000 [ 86.087553][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.098936][ T4965] Modules linked in: [ 86.099621][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.101095][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.102716][ T4965] Call trace: [ 86.103296][ T4965] dump_backtrace+0x0/0x458 [ 86.104036][ T4965] show_stack+0x2c/0x3c [ 86.104670][ T4965] __dump_stack+0x30/0x40 [ 86.105398][ T4965] dump_stack_lvl+0xf4/0x15c [ 86.106116][ T4965] dump_stack+0x1c/0x5c [ 86.106789][ T4965] bad_page+0x188/0x1a8 [ 86.107436][ T4965] check_free_page_bad+0xf4/0x16c [ 86.108233][ T4965] free_unref_page_prepare+0x738/0xa84 [ 86.109136][ T4965] free_unref_page_list+0xdc/0x730 [ 86.109985][ T4965] release_pages+0x13bc/0x16dc [ 86.110761][ T4965] __pagevec_release+0x84/0xf8 [ 86.111568][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 86.112468][ T4965] truncate_inode_pages+0x2c/0x3c [ 86.113342][ T4965] dbUnmount+0xf4/0x168 [ 86.114019][ T4965] jfs_umount+0x1c4/0x328 [ 86.114717][ T4965] jfs_put_super+0x90/0x188 [ 86.115461][ T4965] generic_shutdown_super+0x130/0x2f0 [ 86.116351][ T4965] kill_block_super+0x70/0xdc [ 86.117116][ T4965] deactivate_locked_super+0xb8/0x134 [ 86.118034][ T4965] deactivate_super+0xf0/0x110 [ 86.118813][ T4965] cleanup_mnt+0x3b8/0x46c [ 86.119519][ T4965] __cleanup_mnt+0x20/0x30 [ 86.120199][ T4965] task_work_run+0x12c/0x1d8 [ 86.120944][ T4965] do_notify_resume+0x2450/0x309c [ 86.121758][ T4965] el0_svc+0xf0/0x1d0 [ 86.122382][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 86.123150][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 86.233764][ T5202] ERROR: (device loop0): dbDiscardAG: -EIO [ 86.233764][ T5202] [ 86.235179][ T5202] JFS: sb_issue_discard(0000000063df9850, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 86.236811][ T5202] blkno = 8000000000400, nblocks = 400 [ 86.237688][ T5202] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 86.237688][ T5202] [ 86.241521][ T4965] BUG: Bad page state in process syz-executor pfn:1012d8 [ 86.242787][ T4965] page:00000000a479f0b2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1012d8 [ 86.244352][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.245993][ T4965] raw: 05ffc00000002006 fffffc00034c8008 ffff80001f5675c0 0000000000000000 [ 86.247455][ T4965] raw: 0000000000000004 ffff0000ce6be6c8 00000000ffffffff 0000000000000000 [ 86.249310][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.250446][ T4965] Modules linked in: [ 86.251116][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.252549][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.254304][ T4965] Call trace: [ 86.254850][ T4965] dump_backtrace+0x0/0x458 [ 86.255617][ T4965] show_stack+0x2c/0x3c [ 86.256363][ T4965] __dump_stack+0x30/0x40 [ 86.257060][ T4965] dump_stack_lvl+0xf4/0x15c [ 86.257767][ T4965] dump_stack+0x1c/0x5c [ 86.258405][ T4965] bad_page+0x188/0x1a8 [ 86.259098][ T4965] check_free_page_bad+0xf4/0x16c [ 86.259840][ T4965] free_unref_page_prepare+0x738/0xa84 [ 86.260691][ T4965] free_unref_page_list+0xdc/0x730 [ 86.261490][ T4965] release_pages+0x13bc/0x16dc [ 86.262263][ T4965] __pagevec_release+0x84/0xf8 [ 86.263032][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 86.263985][ T4965] truncate_inode_pages+0x2c/0x3c [ 86.264767][ T4965] dbUnmount+0xf4/0x168 [ 86.265475][ T4965] jfs_umount+0x1c4/0x328 [ 86.266193][ T4965] jfs_put_super+0x90/0x188 [ 86.266954][ T4965] generic_shutdown_super+0x130/0x2f0 [ 86.267781][ T4965] kill_block_super+0x70/0xdc [ 86.268578][ T4965] deactivate_locked_super+0xb8/0x134 [ 86.269459][ T4965] deactivate_super+0xf0/0x110 [ 86.270255][ T4965] cleanup_mnt+0x3b8/0x46c [ 86.270986][ T4965] __cleanup_mnt+0x20/0x30 [ 86.271711][ T4965] task_work_run+0x12c/0x1d8 [ 86.272452][ T4965] do_notify_resume+0x2450/0x309c [ 86.273316][ T4965] el0_svc+0xf0/0x1d0 [ 86.273929][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 86.274731][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 86.423384][ T5204] ERROR: (device loop0): dbDiscardAG: -EIO [ 86.423384][ T5204] [ 86.424678][ T5204] JFS: sb_issue_discard(00000000a85466c9, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 86.426392][ T5204] blkno = 8000000000400, nblocks = 400 [ 86.427380][ T5204] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 86.427380][ T5204] [ 86.431592][ T4965] BUG: Bad page state in process syz-executor pfn:10cf9c [ 86.432626][ T4965] page:000000003a7048cc refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10cf9c [ 86.434210][ T4965] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 86.435714][ T4965] raw: 05ffc00000002006 fffffc0003469808 ffff80001f5675c0 0000000000000000 [ 86.437044][ T4965] raw: 0000000000000004 ffff0000cd5da9b0 00000000ffffffff 0000000000000000 [ 86.438512][ T4965] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 86.440051][ T4965] Modules linked in: [ 86.440641][ T4965] CPU: 1 PID: 4965 Comm: syz-executor Tainted: G B syzkaller #0 [ 86.442255][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.443874][ T4965] Call trace: [ 86.444364][ T4965] dump_backtrace+0x0/0x458 [ 86.445120][ T4965] show_stack+0x2c/0x3c [ 86.445749][ T4965] __dump_stack+0x30/0x40 [ 86.446507][ T4965] dump_stack_lvl+0xf4/0x15c [ 86.447248][ T4965] dump_stack+0x1c/0x5c [ 86.447909][ T4965] bad_page+0x188/0x1a8 [ 86.448556][ T4965] check_free_page_bad+0xf4/0x16c [ 86.449388][ T4965] free_unref_page_prepare+0x738/0xa84 [ 86.450316][ T4965] free_unref_page_list+0xdc/0x730 [ 86.451118][ T4965] release_pages+0x13bc/0x16dc [ 86.451891][ T4965] __pagevec_release+0x84/0xf8 [ 86.452725][ T4965] truncate_inode_pages_range+0x2c8/0xa04 [ 86.453687][ T4965] truncate_inode_pages+0x2c/0x3c [ 86.454530][ T4965] dbUnmount+0xf4/0x168 [ 86.455200][ T4965] jfs_umount+0x1c4/0x328 [ 86.455927][ T4965] jfs_put_super+0x90/0x188 [ 86.456644][ T4965] generic_shutdown_super+0x130/0x2f0 [ 86.457510][ T4965] kill_block_super+0x70/0xdc [ 86.458238][ T4965] deactivate_locked_super+0xb8/0x134 [ 86.459241][ T4965] deactivate_super+0xf0/0x110 [ 86.460013][ T4965] cleanup_mnt+0x3b8/0x46c [ 86.460783][ T4965] __cleanup_mnt+0x20/0x30 [ 86.461505][ T4965] task_work_run+0x12c/0x1d8 [ 86.462252][ T4965] do_notify_resume+0x2450/0x309c [ 86.463109][ T4965] el0_svc+0xf0/0x1d0 [ 86.463760][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 86.464619][ T4965] el0t_64_sync+0x1a0/0x1a4