Warning: Permanently added '10.128.0.245' (ED25519) to the list of known hosts. 1970/01/01 00:00:50 ignoring optional flag "type"="gce" 1970/01/01 00:00:50 parsed 1 programs [ 50.991077][ T4297] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:50 executed programs: 0 [ 51.054065][ T4304] chnl_net:caif_netlink_parms(): no params data found [ 51.074352][ T4304] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.075642][ T4304] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.077257][ T4304] device bridge_slave_0 entered promiscuous mode [ 51.081529][ T4304] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.082730][ T4304] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.084274][ T4304] device bridge_slave_1 entered promiscuous mode [ 51.093570][ T4304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.095979][ T4304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.104185][ T4304] team0: Port device team_slave_0 added [ 51.105917][ T4304] team0: Port device team_slave_1 added [ 51.113361][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.114508][ T4304] 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. [ 51.118958][ T4304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.121854][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.123020][ T4304] 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. [ 51.127340][ T4304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.171791][ T4304] device hsr_slave_0 entered promiscuous mode [ 51.230902][ T4304] device hsr_slave_1 entered promiscuous mode [ 51.870117][ T4304] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.921744][ T4304] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.941847][ T4304] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.982969][ T4304] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.027487][ T4304] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.028727][ T4304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.030000][ T4304] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.031259][ T4304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.050692][ T4304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.054784][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.056753][ T317] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.058440][ T317] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.060464][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.066661][ T4304] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.069269][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.071469][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.073249][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.074456][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.079660][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.081831][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.083423][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.084677][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.086337][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.093464][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.095340][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.097262][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.098823][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.102412][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.104007][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.105732][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.108821][ T4304] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.110780][ T4304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.114121][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.115707][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.117505][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.158810][ T4304] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.161411][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.162681][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.169343][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.171027][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.177447][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.179095][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.181707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.183524][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.186276][ T4304] device veth0_vlan entered promiscuous mode [ 52.189435][ T4304] device veth1_vlan entered promiscuous mode [ 52.198855][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.200474][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.202664][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.204321][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.207056][ T4304] device veth0_macvtap entered promiscuous mode [ 52.209509][ T4304] device veth1_macvtap entered promiscuous mode [ 52.215369][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.216496][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.218075][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.219575][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.222579][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.225956][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.228180][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.229741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.232550][ T4304] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.234051][ T4304] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.235578][ T4304] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.237156][ T4304] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.397962][ T4463] loop0: detected capacity change from 0 to 32768 [ 52.409642][ T4463] ======================================================= [ 52.409642][ T4463] WARNING: The mand mount option has been deprecated and [ 52.409642][ T4463] and is ignored by this kernel. Remove the mand [ 52.409642][ T4463] option from the mount to silence this warning. [ 52.409642][ T4463] ======================================================= [ 52.481878][ T4463] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.481878][ T4463] [ 52.483305][ T4463] attempt to access beyond end of device [ 52.483305][ T4463] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.485318][ T4463] JFS: sb_issue_discard(00000000e26c7073, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.487012][ T4463] blkno = 8000000000400, nblocks = 400 [ 52.487867][ T4463] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.487867][ T4463] [ 52.505369][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10146e [ 52.506627][ T4304] page:0000000013cb066a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10146e [ 52.508294][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 52.509934][ T4304] raw: 05ffc00000002006 fffffc0003246988 ffff80001f2f75c0 0000000000000000 [ 52.512601][ T4304] raw: 0000000000000004 ffff0000c87709b0 00000000ffffffff 0000000000000000 [ 52.513983][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 52.515109][ T4304] Modules linked in: [ 52.515809][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.517074][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.518731][ T4304] Call trace: [ 52.519307][ T4304] dump_backtrace+0x0/0x458 [ 52.520053][ T4304] show_stack+0x2c/0x3c [ 52.520737][ T4304] __dump_stack+0x30/0x40 [ 52.521450][ T4304] dump_stack_lvl+0xf4/0x15c [ 52.522246][ T4304] dump_stack+0x1c/0x5c [ 52.522985][ T4304] bad_page+0x188/0x1a8 [ 52.523666][ T4304] check_free_page_bad+0xf4/0x16c [ 52.524544][ T4304] free_unref_page_prepare+0x738/0xa84 [ 52.525461][ T4304] free_unref_page_list+0xdc/0x730 [ 52.526384][ T4304] release_pages+0x13bc/0x16dc [ 52.527162][ T4304] __pagevec_release+0x84/0xf8 [ 52.527939][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 52.528857][ T4304] truncate_inode_pages+0x2c/0x3c [ 52.529743][ T4304] dbUnmount+0xf4/0x168 [ 52.530526][ T4304] jfs_umount+0x1c4/0x328 [ 52.531269][ T4304] jfs_put_super+0x90/0x188 [ 52.532100][ T4304] generic_shutdown_super+0x130/0x2f0 [ 52.533050][ T4304] kill_block_super+0x70/0xdc [ 52.533901][ T4304] deactivate_locked_super+0xb8/0x134 [ 52.534811][ T4304] deactivate_super+0xf0/0x110 [ 52.535670][ T4304] cleanup_mnt+0x3b8/0x46c [ 52.536339][ T4304] __cleanup_mnt+0x20/0x30 [ 52.537048][ T4304] task_work_run+0x12c/0x1d8 [ 52.537849][ T4304] do_notify_resume+0x2450/0x309c [ 52.538740][ T4304] el0_svc+0xf0/0x1d0 [ 52.539424][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 52.540245][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 52.543315][ T4304] Disabling lock debugging due to kernel taint [ 52.673456][ T4504] loop0: detected capacity change from 0 to 32768 [ 52.736432][ T4504] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.736432][ T4504] [ 52.737857][ T4504] attempt to access beyond end of device [ 52.737857][ T4504] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.744435][ T4504] JFS: sb_issue_discard(00000000f7921ad9, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.746130][ T4504] blkno = 8000000000400, nblocks = 400 [ 52.747108][ T4504] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.747108][ T4504] [ 52.760856][ T4304] BUG: Bad page state in process syz-executor.0 pfn:101c9f [ 52.762055][ T4304] page:000000007507379c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x101c9f [ 52.763765][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 52.771435][ T4304] raw: 05ffc00000002006 fffffc00036af008 ffff80001f2f75c0 0000000000000000 [ 52.772915][ T4304] raw: 0000000000000004 ffff0000d9b9b9b0 00000000ffffffff 0000000000000000 [ 52.774444][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 52.775732][ T4304] Modules linked in: [ 52.776386][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 52.777929][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.779527][ T4304] Call trace: [ 52.780056][ T4304] dump_backtrace+0x0/0x458 [ 52.780787][ T4304] show_stack+0x2c/0x3c [ 52.781498][ T4304] __dump_stack+0x30/0x40 [ 52.782299][ T4304] dump_stack_lvl+0xf4/0x15c [ 52.783063][ T4304] dump_stack+0x1c/0x5c [ 52.783809][ T4304] bad_page+0x188/0x1a8 [ 52.784541][ T4304] check_free_page_bad+0xf4/0x16c [ 52.785399][ T4304] free_unref_page_prepare+0x738/0xa84 [ 52.786295][ T4304] free_unref_page_list+0xdc/0x730 [ 52.787160][ T4304] release_pages+0x13bc/0x16dc [ 52.787947][ T4304] __pagevec_release+0x84/0xf8 [ 52.788728][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 52.789736][ T4304] truncate_inode_pages+0x2c/0x3c [ 52.790607][ T4304] dbUnmount+0xf4/0x168 [ 52.791341][ T4304] jfs_umount+0x1c4/0x328 [ 52.792125][ T4304] jfs_put_super+0x90/0x188 [ 52.792905][ T4304] generic_shutdown_super+0x130/0x2f0 [ 52.793810][ T4304] kill_block_super+0x70/0xdc [ 52.794632][ T4304] deactivate_locked_super+0xb8/0x134 [ 52.795495][ T4304] deactivate_super+0xf0/0x110 [ 52.796237][ T4304] cleanup_mnt+0x3b8/0x46c [ 52.797023][ T4304] __cleanup_mnt+0x20/0x30 [ 52.797757][ T4304] task_work_run+0x12c/0x1d8 [ 52.798539][ T4304] do_notify_resume+0x2450/0x309c [ 52.799422][ T4304] el0_svc+0xf0/0x1d0 [ 52.800102][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 52.800967][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 52.968256][ T4555] loop0: detected capacity change from 0 to 32768 [ 52.987413][ T4555] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.987413][ T4555] [ 52.988881][ T4555] attempt to access beyond end of device [ 52.988881][ T4555] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.991638][ T4555] JFS: sb_issue_discard(00000000bdcb7604, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.993466][ T4555] blkno = 8000000000400, nblocks = 400 [ 52.994422][ T4555] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.994422][ T4555] [ 52.999213][ T4304] BUG: Bad page state in process syz-executor.0 pfn:116432 [ 53.000462][ T4304] page:0000000004a0ec3e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x116432 [ 53.003094][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.004691][ T4304] raw: 05ffc00000002006 fffffc000346f988 ffff80001f2f75c0 0000000000000000 [ 53.006045][ T4304] raw: 0000000000000004 ffff0000c184c4d8 00000000ffffffff 0000000000000000 [ 53.007539][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.008725][ T4304] Modules linked in: [ 53.009428][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.010952][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.012745][ T4304] Call trace: [ 53.013257][ T4304] dump_backtrace+0x0/0x458 [ 53.014006][ T4304] show_stack+0x2c/0x3c [ 53.014747][ T4304] __dump_stack+0x30/0x40 [ 53.015486][ T4304] dump_stack_lvl+0xf4/0x15c [ 53.016274][ T4304] dump_stack+0x1c/0x5c [ 53.016965][ T4304] bad_page+0x188/0x1a8 [ 53.017592][ T4304] check_free_page_bad+0xf4/0x16c [ 53.018421][ T4304] free_unref_page_prepare+0x738/0xa84 [ 53.019453][ T4304] free_unref_page_list+0xdc/0x730 [ 53.020357][ T4304] release_pages+0x13bc/0x16dc [ 53.021217][ T4304] __pagevec_release+0x84/0xf8 [ 53.022014][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 53.023002][ T4304] truncate_inode_pages+0x2c/0x3c [ 53.023908][ T4304] dbUnmount+0xf4/0x168 [ 53.024601][ T4304] jfs_umount+0x1c4/0x328 [ 53.025350][ T4304] jfs_put_super+0x90/0x188 [ 53.026140][ T4304] generic_shutdown_super+0x130/0x2f0 [ 53.027032][ T4304] kill_block_super+0x70/0xdc [ 53.027849][ T4304] deactivate_locked_super+0xb8/0x134 [ 53.028755][ T4304] deactivate_super+0xf0/0x110 [ 53.029567][ T4304] cleanup_mnt+0x3b8/0x46c [ 53.030309][ T4304] __cleanup_mnt+0x20/0x30 [ 53.031359][ T4304] task_work_run+0x12c/0x1d8 [ 53.032110][ T4304] do_notify_resume+0x2450/0x309c [ 53.032946][ T4304] el0_svc+0xf0/0x1d0 [ 53.033630][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 53.034464][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 53.060620][ T4075] Bluetooth: hci0: command 0x0409 tx timeout [ 53.156789][ T4586] loop0: detected capacity change from 0 to 32768 [ 53.196307][ T4586] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.196307][ T4586] [ 53.197663][ T4586] attempt to access beyond end of device [ 53.197663][ T4586] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.199693][ T4586] JFS: sb_issue_discard(00000000fc9f4efd, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.202744][ T4586] blkno = 8000000000400, nblocks = 400 [ 53.204506][ T4586] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.204506][ T4586] [ 53.219667][ T4304] BUG: Bad page state in process syz-executor.0 pfn:11b0d5 [ 53.222352][ T4304] page:000000001de945d8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b0d5 [ 53.223929][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.225640][ T4304] raw: 05ffc00000002006 fffffc0003454f08 ffff80001f2f75c0 0000000000000000 [ 53.227171][ T4304] raw: 0000000000000004 ffff0000cb8d34d8 00000000ffffffff 0000000000000000 [ 53.228734][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.229954][ T4304] Modules linked in: [ 53.240600][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.242114][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.243836][ T4304] Call trace: [ 53.244398][ T4304] dump_backtrace+0x0/0x458 [ 53.245138][ T4304] show_stack+0x2c/0x3c [ 53.245785][ T4304] __dump_stack+0x30/0x40 [ 53.246616][ T4304] dump_stack_lvl+0xf4/0x15c [ 53.247289][ T4304] dump_stack+0x1c/0x5c [ 53.247993][ T4304] bad_page+0x188/0x1a8 [ 53.248701][ T4304] check_free_page_bad+0xf4/0x16c [ 53.249513][ T4304] free_unref_page_prepare+0x738/0xa84 [ 53.250538][ T4304] free_unref_page_list+0xdc/0x730 [ 53.251399][ T4304] release_pages+0x13bc/0x16dc [ 53.252256][ T4304] __pagevec_release+0x84/0xf8 [ 53.253026][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 53.253975][ T4304] truncate_inode_pages+0x2c/0x3c [ 53.254828][ T4304] dbUnmount+0xf4/0x168 [ 53.255571][ T4304] jfs_umount+0x1c4/0x328 [ 53.256279][ T4304] jfs_put_super+0x90/0x188 [ 53.257081][ T4304] generic_shutdown_super+0x130/0x2f0 [ 53.257921][ T4304] kill_block_super+0x70/0xdc [ 53.258733][ T4304] deactivate_locked_super+0xb8/0x134 [ 53.259582][ T4304] deactivate_super+0xf0/0x110 [ 53.260433][ T4304] cleanup_mnt+0x3b8/0x46c [ 53.261104][ T4304] __cleanup_mnt+0x20/0x30 [ 53.261860][ T4304] task_work_run+0x12c/0x1d8 [ 53.262665][ T4304] do_notify_resume+0x2450/0x309c [ 53.263536][ T4304] el0_svc+0xf0/0x1d0 [ 53.264275][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 53.265127][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 53.371045][ T4615] loop0: detected capacity change from 0 to 32768 [ 53.415365][ T4615] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.415365][ T4615] [ 53.416802][ T4615] attempt to access beyond end of device [ 53.416802][ T4615] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.418908][ T4615] JFS: sb_issue_discard(0000000020e81813, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.421107][ T4615] blkno = 8000000000400, nblocks = 400 [ 53.421993][ T4615] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.421993][ T4615] [ 53.425830][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10dc17 [ 53.426990][ T4304] page:00000000c588ffee refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10dc17 [ 53.428676][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.430298][ T4304] raw: 05ffc00000002006 fffffc000338e308 ffff80001f2f75c0 0000000000000000 [ 53.432240][ T4304] raw: 0000000000000004 ffff0000cdb5c000 00000000ffffffff 0000000000000000 [ 53.433618][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.434865][ T4304] Modules linked in: [ 53.435508][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.437005][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.438688][ T4304] Call trace: [ 53.439241][ T4304] dump_backtrace+0x0/0x458 [ 53.439999][ T4304] show_stack+0x2c/0x3c [ 53.440734][ T4304] __dump_stack+0x30/0x40 [ 53.441521][ T4304] dump_stack_lvl+0xf4/0x15c [ 53.442275][ T4304] dump_stack+0x1c/0x5c [ 53.443023][ T4304] bad_page+0x188/0x1a8 [ 53.443741][ T4304] check_free_page_bad+0xf4/0x16c [ 53.444643][ T4304] free_unref_page_prepare+0x738/0xa84 [ 53.445599][ T4304] free_unref_page_list+0xdc/0x730 [ 53.446465][ T4304] release_pages+0x13bc/0x16dc [ 53.447284][ T4304] __pagevec_release+0x84/0xf8 [ 53.448109][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 53.449099][ T4304] truncate_inode_pages+0x2c/0x3c [ 53.449983][ T4304] dbUnmount+0xf4/0x168 [ 53.450623][ T4304] jfs_umount+0x1c4/0x328 [ 53.451380][ T4304] jfs_put_super+0x90/0x188 [ 53.452123][ T4304] generic_shutdown_super+0x130/0x2f0 [ 53.452991][ T4304] kill_block_super+0x70/0xdc [ 53.453788][ T4304] deactivate_locked_super+0xb8/0x134 [ 53.454770][ T4304] deactivate_super+0xf0/0x110 [ 53.455594][ T4304] cleanup_mnt+0x3b8/0x46c [ 53.456349][ T4304] __cleanup_mnt+0x20/0x30 [ 53.457087][ T4304] task_work_run+0x12c/0x1d8 [ 53.457886][ T4304] do_notify_resume+0x2450/0x309c [ 53.458699][ T4304] el0_svc+0xf0/0x1d0 [ 53.459350][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 53.460193][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 53.622453][ T4617] loop0: detected capacity change from 0 to 32768 [ 53.675164][ T4617] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.675164][ T4617] [ 53.676496][ T4617] attempt to access beyond end of device [ 53.676496][ T4617] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.678539][ T4617] JFS: sb_issue_discard(000000007f6a7f6f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.680312][ T4617] blkno = 8000000000400, nblocks = 400 [ 53.681764][ T4617] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.681764][ T4617] [ 53.687611][ T4304] BUG: Bad page state in process syz-executor.0 pfn:116ddd [ 53.688780][ T4304] page:00000000028f0c63 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x116ddd [ 53.690476][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.692301][ T4304] raw: 05ffc00000002006 fffffc0003262448 ffff80001f2f75c0 0000000000000000 [ 53.693621][ T4304] raw: 0000000000000004 ffff0000cdb5caa8 00000000ffffffff 0000000000000000 [ 53.694975][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.696127][ T4304] Modules linked in: [ 53.696814][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.698336][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.700084][ T4304] Call trace: [ 53.700569][ T4304] dump_backtrace+0x0/0x458 [ 53.701293][ T4304] show_stack+0x2c/0x3c [ 53.701965][ T4304] __dump_stack+0x30/0x40 [ 53.702714][ T4304] dump_stack_lvl+0xf4/0x15c [ 53.703477][ T4304] dump_stack+0x1c/0x5c [ 53.704139][ T4304] bad_page+0x188/0x1a8 [ 53.704898][ T4304] check_free_page_bad+0xf4/0x16c [ 53.705739][ T4304] free_unref_page_prepare+0x738/0xa84 [ 53.706646][ T4304] free_unref_page_list+0xdc/0x730 [ 53.707491][ T4304] release_pages+0x13bc/0x16dc [ 53.708351][ T4304] __pagevec_release+0x84/0xf8 [ 53.709163][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 53.710169][ T4304] truncate_inode_pages+0x2c/0x3c [ 53.710997][ T4304] dbUnmount+0xf4/0x168 [ 53.711704][ T4304] jfs_umount+0x1c4/0x328 [ 53.712397][ T4304] jfs_put_super+0x90/0x188 [ 53.713227][ T4304] generic_shutdown_super+0x130/0x2f0 [ 53.714152][ T4304] kill_block_super+0x70/0xdc [ 53.714945][ T4304] deactivate_locked_super+0xb8/0x134 [ 53.715884][ T4304] deactivate_super+0xf0/0x110 [ 53.716681][ T4304] cleanup_mnt+0x3b8/0x46c [ 53.717409][ T4304] __cleanup_mnt+0x20/0x30 [ 53.718109][ T4304] task_work_run+0x12c/0x1d8 [ 53.718822][ T4304] do_notify_resume+0x2450/0x309c [ 53.719601][ T4304] el0_svc+0xf0/0x1d0 [ 53.720257][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 53.721096][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 53.859524][ T4619] loop0: detected capacity change from 0 to 32768 [ 53.906973][ T4619] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.906973][ T4619] [ 53.908499][ T4619] attempt to access beyond end of device [ 53.908499][ T4619] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.910926][ T4619] JFS: sb_issue_discard(00000000aeeac09d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.912573][ T4619] blkno = 8000000000400, nblocks = 400 [ 53.913495][ T4619] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.913495][ T4619] [ 53.918077][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10e339 [ 53.919270][ T4304] page:0000000064ec5583 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10e339 [ 53.921398][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.923074][ T4304] raw: 05ffc00000002006 fffffc00034be788 ffff80001f2f75c0 0000000000000000 [ 53.924516][ T4304] raw: 0000000000000004 ffff0000c184c9b0 00000000ffffffff 0000000000000000 [ 53.925918][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.927183][ T4304] Modules linked in: [ 53.927828][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.929349][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.930950][ T4304] Call trace: [ 53.931515][ T4304] dump_backtrace+0x0/0x458 [ 53.932259][ T4304] show_stack+0x2c/0x3c [ 53.932934][ T4304] __dump_stack+0x30/0x40 [ 53.933602][ T4304] dump_stack_lvl+0xf4/0x15c [ 53.934395][ T4304] dump_stack+0x1c/0x5c [ 53.935125][ T4304] bad_page+0x188/0x1a8 [ 53.935829][ T4304] check_free_page_bad+0xf4/0x16c [ 53.936706][ T4304] free_unref_page_prepare+0x738/0xa84 [ 53.937565][ T4304] free_unref_page_list+0xdc/0x730 [ 53.938463][ T4304] release_pages+0x13bc/0x16dc [ 53.939294][ T4304] __pagevec_release+0x84/0xf8 [ 53.940049][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 53.940963][ T4304] truncate_inode_pages+0x2c/0x3c [ 53.941788][ T4304] dbUnmount+0xf4/0x168 [ 53.942442][ T4304] jfs_umount+0x1c4/0x328 [ 53.943196][ T4304] jfs_put_super+0x90/0x188 [ 53.943923][ T4304] generic_shutdown_super+0x130/0x2f0 [ 53.944796][ T4304] kill_block_super+0x70/0xdc [ 53.945572][ T4304] deactivate_locked_super+0xb8/0x134 [ 53.946535][ T4304] deactivate_super+0xf0/0x110 [ 53.947346][ T4304] cleanup_mnt+0x3b8/0x46c [ 53.948123][ T4304] __cleanup_mnt+0x20/0x30 [ 53.948877][ T4304] task_work_run+0x12c/0x1d8 [ 53.949720][ T4304] do_notify_resume+0x2450/0x309c [ 53.950523][ T4304] el0_svc+0xf0/0x1d0 [ 53.951201][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 53.951987][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 54.100432][ T4621] loop0: detected capacity change from 0 to 32768 [ 54.148900][ T4621] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.148900][ T4621] [ 54.150265][ T4621] attempt to access beyond end of device [ 54.150265][ T4621] loop0: rw=2051, want=18014398509498368, limit=32768 [ 54.152523][ T4621] JFS: sb_issue_discard(00000000f8e41e85, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.154170][ T4621] blkno = 8000000000400, nblocks = 400 [ 54.155121][ T4621] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.155121][ T4621] [ 54.159404][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10dffc [ 54.160711][ T4304] page:00000000fc7e19b3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10dffc [ 54.162239][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.163783][ T4304] raw: 05ffc00000002006 fffffc00035d0688 ffff80001f2f75c0 0000000000000000 [ 54.165228][ T4304] raw: 0000000000000004 ffff0000c7b9cba0 00000000ffffffff 0000000000000000 [ 54.166651][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.167886][ T4304] Modules linked in: [ 54.168630][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.170131][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.171894][ T4304] Call trace: [ 54.172473][ T4304] dump_backtrace+0x0/0x458 [ 54.173259][ T4304] show_stack+0x2c/0x3c [ 54.173985][ T4304] __dump_stack+0x30/0x40 [ 54.174747][ T4304] dump_stack_lvl+0xf4/0x15c [ 54.175566][ T4304] dump_stack+0x1c/0x5c [ 54.176302][ T4304] bad_page+0x188/0x1a8 [ 54.177026][ T4304] check_free_page_bad+0xf4/0x16c [ 54.177855][ T4304] free_unref_page_prepare+0x738/0xa84 [ 54.178774][ T4304] free_unref_page_list+0xdc/0x730 [ 54.179626][ T4304] release_pages+0x13bc/0x16dc [ 54.180453][ T4304] __pagevec_release+0x84/0xf8 [ 54.181259][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 54.182247][ T4304] truncate_inode_pages+0x2c/0x3c [ 54.183104][ T4304] dbUnmount+0xf4/0x168 [ 54.183823][ T4304] jfs_umount+0x1c4/0x328 [ 54.184540][ T4304] jfs_put_super+0x90/0x188 [ 54.185300][ T4304] generic_shutdown_super+0x130/0x2f0 [ 54.186170][ T4304] kill_block_super+0x70/0xdc [ 54.186905][ T4304] deactivate_locked_super+0xb8/0x134 [ 54.187873][ T4304] deactivate_super+0xf0/0x110 [ 54.188691][ T4304] cleanup_mnt+0x3b8/0x46c [ 54.189422][ T4304] __cleanup_mnt+0x20/0x30 [ 54.190140][ T4304] task_work_run+0x12c/0x1d8 [ 54.190932][ T4304] do_notify_resume+0x2450/0x309c [ 54.191784][ T4304] el0_svc+0xf0/0x1d0 [ 54.192486][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 54.193296][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 54.340359][ T4623] loop0: detected capacity change from 0 to 32768 [ 54.383867][ T4623] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.383867][ T4623] [ 54.385319][ T4623] attempt to access beyond end of device [ 54.385319][ T4623] loop0: rw=2051, want=18014398509498368, limit=32768 [ 54.387306][ T4623] JFS: sb_issue_discard(00000000ed1d14e0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.389063][ T4623] blkno = 8000000000400, nblocks = 400 [ 54.390085][ T4623] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.390085][ T4623] [ 54.396117][ T4304] BUG: Bad page state in process syz-executor.0 pfn:11bed0 [ 54.397361][ T4304] page:00000000f3f263dc refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11bed0 [ 54.399128][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.401123][ T4304] raw: 05ffc00000002006 fffffc0003236448 ffff80001f2f75c0 0000000000000000 [ 54.402484][ T4304] raw: 0000000000000004 ffff0000cdfe24d8 00000000ffffffff 0000000000000000 [ 54.403914][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.405029][ T4304] Modules linked in: [ 54.405659][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.407101][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.408858][ T4304] Call trace: [ 54.409356][ T4304] dump_backtrace+0x0/0x458 [ 54.410113][ T4304] show_stack+0x2c/0x3c [ 54.410772][ T4304] __dump_stack+0x30/0x40 [ 54.411417][ T4304] dump_stack_lvl+0xf4/0x15c [ 54.412152][ T4304] dump_stack+0x1c/0x5c [ 54.412857][ T4304] bad_page+0x188/0x1a8 [ 54.413584][ T4304] check_free_page_bad+0xf4/0x16c [ 54.414424][ T4304] free_unref_page_prepare+0x738/0xa84 [ 54.415470][ T4304] free_unref_page_list+0xdc/0x730 [ 54.416273][ T4304] release_pages+0x13bc/0x16dc [ 54.417122][ T4304] __pagevec_release+0x84/0xf8 [ 54.417927][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 54.418938][ T4304] truncate_inode_pages+0x2c/0x3c [ 54.419752][ T4304] dbUnmount+0xf4/0x168 [ 54.420544][ T4304] jfs_umount+0x1c4/0x328 [ 54.421305][ T4304] jfs_put_super+0x90/0x188 [ 54.422019][ T4304] generic_shutdown_super+0x130/0x2f0 [ 54.422906][ T4304] kill_block_super+0x70/0xdc [ 54.423711][ T4304] deactivate_locked_super+0xb8/0x134 [ 54.424629][ T4304] deactivate_super+0xf0/0x110 [ 54.425403][ T4304] cleanup_mnt+0x3b8/0x46c [ 54.426151][ T4304] __cleanup_mnt+0x20/0x30 [ 54.426907][ T4304] task_work_run+0x12c/0x1d8 [ 54.427664][ T4304] do_notify_resume+0x2450/0x309c [ 54.428531][ T4304] el0_svc+0xf0/0x1d0 [ 54.429275][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 54.430161][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 54.580091][ T4625] loop0: detected capacity change from 0 to 32768 [ 54.635631][ T4625] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.635631][ T4625] [ 54.637094][ T4625] attempt to access beyond end of device [ 54.637094][ T4625] loop0: rw=2051, want=18014398509498368, limit=32768 [ 54.639183][ T4625] JFS: sb_issue_discard(0000000094737a1b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.640989][ T4625] blkno = 8000000000400, nblocks = 400 [ 54.642130][ T4625] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.642130][ T4625] [ 54.646203][ T4304] BUG: Bad page state in process syz-executor.0 pfn:1011bd [ 54.647328][ T4304] page:0000000018b383fd refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1011bd [ 54.649110][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.650841][ T4304] raw: 05ffc00000002006 fffffc000355ae08 ffff80001f2f75c0 0000000000000000 [ 54.652451][ T4304] raw: 0000000000000004 ffff0000cb0ad000 00000000ffffffff 0000000000000000 [ 54.653887][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.655112][ T4304] Modules linked in: [ 54.655789][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.657437][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.659093][ T4304] Call trace: [ 54.659618][ T4304] dump_backtrace+0x0/0x458 [ 54.660416][ T4304] show_stack+0x2c/0x3c [ 54.661151][ T4304] __dump_stack+0x30/0x40 [ 54.661862][ T4304] dump_stack_lvl+0xf4/0x15c [ 54.662603][ T4304] dump_stack+0x1c/0x5c [ 54.663302][ T4304] bad_page+0x188/0x1a8 [ 54.664001][ T4304] check_free_page_bad+0xf4/0x16c [ 54.664952][ T4304] free_unref_page_prepare+0x738/0xa84 [ 54.665935][ T4304] free_unref_page_list+0xdc/0x730 [ 54.666811][ T4304] release_pages+0x13bc/0x16dc [ 54.667649][ T4304] __pagevec_release+0x84/0xf8 [ 54.668453][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 54.669480][ T4304] truncate_inode_pages+0x2c/0x3c [ 54.670384][ T4304] dbUnmount+0xf4/0x168 [ 54.671062][ T4304] jfs_umount+0x1c4/0x328 [ 54.671786][ T4304] jfs_put_super+0x90/0x188 [ 54.672565][ T4304] generic_shutdown_super+0x130/0x2f0 [ 54.673492][ T4304] kill_block_super+0x70/0xdc [ 54.674291][ T4304] deactivate_locked_super+0xb8/0x134 [ 54.675233][ T4304] deactivate_super+0xf0/0x110 [ 54.676067][ T4304] cleanup_mnt+0x3b8/0x46c [ 54.676798][ T4304] __cleanup_mnt+0x20/0x30 [ 54.677441][ T4304] task_work_run+0x12c/0x1d8 [ 54.678320][ T4304] do_notify_resume+0x2450/0x309c [ 54.679215][ T4304] el0_svc+0xf0/0x1d0 [ 54.679867][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 54.680777][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 54.819543][ T4627] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.819543][ T4627] [ 54.821036][ T4627] JFS: sb_issue_discard(000000006b6b20f3, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.822737][ T4627] blkno = 8000000000400, nblocks = 400 [ 54.823626][ T4627] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.823626][ T4627] [ 54.828363][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10b6d3 [ 54.829497][ T4304] page:0000000080dfd08a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10b6d3 [ 54.831280][ T4304] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.833008][ T4304] raw: 05ffc00000002004 fffffc000355f048 ffff80001f2f75c0 0000000000000000 [ 54.834480][ T4304] raw: 0000000000000004 ffff0000cb0adaa8 00000000ffffffff 0000000000000000 [ 54.835937][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.837235][ T4304] Modules linked in: [ 54.837907][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.839383][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.841138][ T4304] Call trace: [ 54.841684][ T4304] dump_backtrace+0x0/0x458 [ 54.842381][ T4304] show_stack+0x2c/0x3c [ 54.842996][ T4304] __dump_stack+0x30/0x40 [ 54.843731][ T4304] dump_stack_lvl+0xf4/0x15c [ 54.844505][ T4304] dump_stack+0x1c/0x5c [ 54.845176][ T4304] bad_page+0x188/0x1a8 [ 54.845918][ T4304] check_free_page_bad+0xf4/0x16c [ 54.846823][ T4304] free_unref_page_prepare+0x738/0xa84 [ 54.847698][ T4304] free_unref_page_list+0xdc/0x730 [ 54.848543][ T4304] release_pages+0x13bc/0x16dc [ 54.849347][ T4304] __pagevec_release+0x84/0xf8 [ 54.850116][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 54.851114][ T4304] truncate_inode_pages+0x2c/0x3c [ 54.852019][ T4304] dbUnmount+0xf4/0x168 [ 54.852680][ T4304] jfs_umount+0x1c4/0x328 [ 54.853464][ T4304] jfs_put_super+0x90/0x188 [ 54.854239][ T4304] generic_shutdown_super+0x130/0x2f0 [ 54.855172][ T4304] kill_block_super+0x70/0xdc [ 54.855962][ T4304] deactivate_locked_super+0xb8/0x134 [ 54.856841][ T4304] deactivate_super+0xf0/0x110 [ 54.857591][ T4304] cleanup_mnt+0x3b8/0x46c [ 54.858333][ T4304] __cleanup_mnt+0x20/0x30 [ 54.859115][ T4304] task_work_run+0x12c/0x1d8 [ 54.859877][ T4304] do_notify_resume+0x2450/0x309c [ 54.860853][ T4304] el0_svc+0xf0/0x1d0 [ 54.861518][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 54.862347][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 55.036498][ T4629] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.036498][ T4629] [ 55.037954][ T4629] JFS: sb_issue_discard(00000000af801cd5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.039689][ T4629] blkno = 8000000000400, nblocks = 400 [ 55.041159][ T4629] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.041159][ T4629] [ 55.045819][ T4304] BUG: Bad page state in process syz-executor.0 pfn:111536 [ 55.046960][ T4304] page:00000000535fd9b5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111536 [ 55.048532][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.050086][ T4304] raw: 05ffc00000002006 fffffc000306f688 ffff80001f2f75c0 0000000000000000 [ 55.051794][ T4304] raw: 0000000000000004 ffff0000cb0846c8 00000000ffffffff 0000000000000000 [ 55.053216][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.054506][ T4304] Modules linked in: [ 55.055176][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.056672][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.058255][ T4304] Call trace: [ 55.058774][ T4304] dump_backtrace+0x0/0x458 [ 55.059536][ T4304] show_stack+0x2c/0x3c [ 55.060178][ T4304] __dump_stack+0x30/0x40 [ 55.060860][ T4304] dump_stack_lvl+0xf4/0x15c [ 55.061598][ T4304] dump_stack+0x1c/0x5c [ 55.062266][ T4304] bad_page+0x188/0x1a8 [ 55.063011][ T4304] check_free_page_bad+0xf4/0x16c [ 55.063848][ T4304] free_unref_page_prepare+0x738/0xa84 [ 55.064728][ T4304] free_unref_page_list+0xdc/0x730 [ 55.065594][ T4304] release_pages+0x13bc/0x16dc [ 55.066374][ T4304] __pagevec_release+0x84/0xf8 [ 55.067173][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 55.068147][ T4304] truncate_inode_pages+0x2c/0x3c [ 55.068964][ T4304] dbUnmount+0xf4/0x168 [ 55.069689][ T4304] jfs_umount+0x1c4/0x328 [ 55.070462][ T4304] jfs_put_super+0x90/0x188 [ 55.071176][ T4304] generic_shutdown_super+0x130/0x2f0 [ 55.072103][ T4304] kill_block_super+0x70/0xdc [ 55.072929][ T4304] deactivate_locked_super+0xb8/0x134 [ 55.073822][ T4304] deactivate_super+0xf0/0x110 [ 55.074561][ T4304] cleanup_mnt+0x3b8/0x46c [ 55.075281][ T4304] __cleanup_mnt+0x20/0x30 [ 55.076013][ T4304] task_work_run+0x12c/0x1d8 [ 55.076819][ T4304] do_notify_resume+0x2450/0x309c [ 55.077691][ T4304] el0_svc+0xf0/0x1d0 [ 55.078419][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 55.079308][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 55.140647][ T4075] Bluetooth: hci0: command 0x041b tx timeout [ 55.264890][ T4631] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.264890][ T4631] [ 55.266449][ T4631] JFS: sb_issue_discard(000000005e74be39, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.268266][ T4631] blkno = 8000000000400, nblocks = 400 [ 55.269419][ T4631] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.269419][ T4631] [ 55.273936][ T4304] BUG: Bad page state in process syz-executor.0 pfn:101725 [ 55.275040][ T4304] page:0000000056ee61f0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x101725 [ 55.276677][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.278501][ T4304] raw: 05ffc00000002006 fffffc00033782c8 ffff80001f2f75c0 0000000000000000 [ 55.279970][ T4304] raw: 0000000000000004 ffff0000c7bdd5d0 00000000ffffffff 0000000000000000 [ 55.281845][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.282950][ T4304] Modules linked in: [ 55.283623][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.285095][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.286845][ T4304] Call trace: [ 55.287422][ T4304] dump_backtrace+0x0/0x458 [ 55.288148][ T4304] show_stack+0x2c/0x3c [ 55.288832][ T4304] __dump_stack+0x30/0x40 [ 55.289550][ T4304] dump_stack_lvl+0xf4/0x15c [ 55.290339][ T4304] dump_stack+0x1c/0x5c [ 55.291031][ T4304] bad_page+0x188/0x1a8 [ 55.291756][ T4304] check_free_page_bad+0xf4/0x16c [ 55.292586][ T4304] free_unref_page_prepare+0x738/0xa84 [ 55.293516][ T4304] free_unref_page_list+0xdc/0x730 [ 55.294470][ T4304] release_pages+0x13bc/0x16dc [ 55.295272][ T4304] __pagevec_release+0x84/0xf8 [ 55.296098][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 55.297105][ T4304] truncate_inode_pages+0x2c/0x3c [ 55.297963][ T4304] dbUnmount+0xf4/0x168 [ 55.298731][ T4304] jfs_umount+0x1c4/0x328 [ 55.299464][ T4304] jfs_put_super+0x90/0x188 [ 55.300201][ T4304] generic_shutdown_super+0x130/0x2f0 [ 55.301120][ T4304] kill_block_super+0x70/0xdc [ 55.301846][ T4304] deactivate_locked_super+0xb8/0x134 [ 55.302734][ T4304] deactivate_super+0xf0/0x110 [ 55.303545][ T4304] cleanup_mnt+0x3b8/0x46c [ 55.304256][ T4304] __cleanup_mnt+0x20/0x30 [ 55.305009][ T4304] task_work_run+0x12c/0x1d8 [ 55.305746][ T4304] do_notify_resume+0x2450/0x309c [ 55.306533][ T4304] el0_svc+0xf0/0x1d0 [ 55.307202][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 55.308007][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 55.484761][ T4633] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.484761][ T4633] [ 55.486237][ T4633] JFS: sb_issue_discard(000000008f529092, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.487993][ T4633] blkno = 8000000000400, nblocks = 400 [ 55.488872][ T4633] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.488872][ T4633] [ 55.493526][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10deee [ 55.494722][ T4304] page:000000005247ade3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10deee [ 55.496390][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.497925][ T4304] raw: 05ffc00000002006 fffffc0003521048 ffff80001f2f75c0 0000000000000000 [ 55.499377][ T4304] raw: 0000000000000004 ffff0000ce7551f0 00000000ffffffff 0000000000000000 [ 55.501146][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.502337][ T4304] Modules linked in: [ 55.503006][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.504466][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.506184][ T4304] Call trace: [ 55.506753][ T4304] dump_backtrace+0x0/0x458 [ 55.507498][ T4304] show_stack+0x2c/0x3c [ 55.508284][ T4304] __dump_stack+0x30/0x40 [ 55.508998][ T4304] dump_stack_lvl+0xf4/0x15c [ 55.509756][ T4304] dump_stack+0x1c/0x5c [ 55.510415][ T4304] bad_page+0x188/0x1a8 [ 55.511163][ T4304] check_free_page_bad+0xf4/0x16c [ 55.511992][ T4304] free_unref_page_prepare+0x738/0xa84 [ 55.512942][ T4304] free_unref_page_list+0xdc/0x730 [ 55.513803][ T4304] release_pages+0x13bc/0x16dc [ 55.514684][ T4304] __pagevec_release+0x84/0xf8 [ 55.515459][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 55.516444][ T4304] truncate_inode_pages+0x2c/0x3c [ 55.517201][ T4304] dbUnmount+0xf4/0x168 [ 55.517882][ T4304] jfs_umount+0x1c4/0x328 [ 55.518588][ T4304] jfs_put_super+0x90/0x188 [ 55.519372][ T4304] generic_shutdown_super+0x130/0x2f0 [ 55.520285][ T4304] kill_block_super+0x70/0xdc [ 55.521136][ T4304] deactivate_locked_super+0xb8/0x134 [ 55.521947][ T4304] deactivate_super+0xf0/0x110 [ 55.522766][ T4304] cleanup_mnt+0x3b8/0x46c [ 55.523551][ T4304] __cleanup_mnt+0x20/0x30 [ 55.524294][ T4304] task_work_run+0x12c/0x1d8 [ 55.525119][ T4304] do_notify_resume+0x2450/0x309c [ 55.525965][ T4304] el0_svc+0xf0/0x1d0 [ 55.526628][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 55.527479][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 55.708143][ T4635] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.708143][ T4635] [ 55.709543][ T4635] JFS: sb_issue_discard(00000000f1eff17e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.711823][ T4635] blkno = 8000000000400, nblocks = 400 [ 55.712702][ T4635] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.712702][ T4635] [ 55.717180][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10dffd [ 55.718572][ T4304] page:00000000dbedf6d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10dffd [ 55.720303][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.722251][ T4304] raw: 05ffc00000002006 fffffc00032ef588 ffff80001f2f75c0 0000000000000000 [ 55.723681][ T4304] raw: 0000000000000004 ffff0000ce755c98 00000000ffffffff 0000000000000000 [ 55.725139][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.726450][ T4304] Modules linked in: [ 55.727130][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.728741][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.730496][ T4304] Call trace: [ 55.731121][ T4304] dump_backtrace+0x0/0x458 [ 55.731931][ T4304] show_stack+0x2c/0x3c [ 55.732716][ T4304] __dump_stack+0x30/0x40 [ 55.733458][ T4304] dump_stack_lvl+0xf4/0x15c [ 55.734223][ T4304] dump_stack+0x1c/0x5c [ 55.734968][ T4304] bad_page+0x188/0x1a8 [ 55.735667][ T4304] check_free_page_bad+0xf4/0x16c [ 55.736583][ T4304] free_unref_page_prepare+0x738/0xa84 [ 55.737606][ T4304] free_unref_page_list+0xdc/0x730 [ 55.738559][ T4304] release_pages+0x13bc/0x16dc [ 55.739419][ T4304] __pagevec_release+0x84/0xf8 [ 55.740158][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 55.741179][ T4304] truncate_inode_pages+0x2c/0x3c [ 55.742117][ T4304] dbUnmount+0xf4/0x168 [ 55.742824][ T4304] jfs_umount+0x1c4/0x328 [ 55.743551][ T4304] jfs_put_super+0x90/0x188 [ 55.744314][ T4304] generic_shutdown_super+0x130/0x2f0 [ 55.745299][ T4304] kill_block_super+0x70/0xdc [ 55.746027][ T4304] deactivate_locked_super+0xb8/0x134 [ 55.746858][ T4304] deactivate_super+0xf0/0x110 [ 55.747657][ T4304] cleanup_mnt+0x3b8/0x46c [ 55.748435][ T4304] __cleanup_mnt+0x20/0x30 [ 55.749186][ T4304] task_work_run+0x12c/0x1d8 [ 55.749933][ T4304] do_notify_resume+0x2450/0x309c [ 55.750744][ T4304] el0_svc+0xf0/0x1d0 [ 55.751442][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 55.752313][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 55.905853][ T4637] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.905853][ T4637] [ 55.907209][ T4637] JFS: sb_issue_discard(00000000e1baaff1, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.908995][ T4637] blkno = 8000000000400, nblocks = 400 [ 55.909957][ T4637] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.909957][ T4637] [ 55.915478][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10e431 [ 55.916659][ T4304] page:0000000077d3ad05 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10e431 [ 55.918446][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.920090][ T4304] raw: 05ffc00000002006 fffffc00036a4a48 ffff80001f2f75c0 0000000000000000 [ 55.922363][ T4304] raw: 0000000000000004 ffff0000c1bdb0f8 00000000ffffffff 0000000000000000 [ 55.923687][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.924993][ T4304] Modules linked in: [ 55.925725][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.927259][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.929031][ T4304] Call trace: [ 55.929557][ T4304] dump_backtrace+0x0/0x458 [ 55.930267][ T4304] show_stack+0x2c/0x3c [ 55.931007][ T4304] __dump_stack+0x30/0x40 [ 55.931789][ T4304] dump_stack_lvl+0xf4/0x15c [ 55.932668][ T4304] dump_stack+0x1c/0x5c [ 55.933385][ T4304] bad_page+0x188/0x1a8 [ 55.934105][ T4304] check_free_page_bad+0xf4/0x16c [ 55.934976][ T4304] free_unref_page_prepare+0x738/0xa84 [ 55.935980][ T4304] free_unref_page_list+0xdc/0x730 [ 55.936883][ T4304] release_pages+0x13bc/0x16dc [ 55.937782][ T4304] __pagevec_release+0x84/0xf8 [ 55.938667][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 55.939697][ T4304] truncate_inode_pages+0x2c/0x3c [ 55.940595][ T4304] dbUnmount+0xf4/0x168 [ 55.941340][ T4304] jfs_umount+0x1c4/0x328 [ 55.942115][ T4304] jfs_put_super+0x90/0x188 [ 55.942912][ T4304] generic_shutdown_super+0x130/0x2f0 [ 55.943890][ T4304] kill_block_super+0x70/0xdc [ 55.944784][ T4304] deactivate_locked_super+0xb8/0x134 [ 55.945824][ T4304] deactivate_super+0xf0/0x110 [ 55.946692][ T4304] cleanup_mnt+0x3b8/0x46c [ 55.947426][ T4304] __cleanup_mnt+0x20/0x30 [ 55.948204][ T4304] task_work_run+0x12c/0x1d8 [ 55.949000][ T4304] do_notify_resume+0x2450/0x309c [ 55.949846][ T4304] el0_svc+0xf0/0x1d0 [ 55.950566][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 55.951438][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 56.111092][ T4639] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.111092][ T4639] [ 56.112396][ T4639] JFS: sb_issue_discard(00000000a6599097, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.114044][ T4639] blkno = 8000000000400, nblocks = 400 [ 56.115000][ T4639] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.115000][ T4639] 1970/01/01 00:00:56 executed programs: 17 [ 56.119570][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10b8b3 [ 56.121044][ T4304] page:0000000058b36e39 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10b8b3 [ 56.122572][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.124091][ T4304] raw: 05ffc00000002006 fffffc0003056ec8 ffff80001f2f75c0 0000000000000000 [ 56.125437][ T4304] raw: 0000000000000004 ffff0000ce3c77c0 00000000ffffffff 0000000000000000 [ 56.126799][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.127868][ T4304] Modules linked in: [ 56.128470][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.129782][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.131283][ T4304] Call trace: [ 56.131775][ T4304] dump_backtrace+0x0/0x458 [ 56.132491][ T4304] show_stack+0x2c/0x3c [ 56.133250][ T4304] __dump_stack+0x30/0x40 [ 56.133998][ T4304] dump_stack_lvl+0xf4/0x15c [ 56.134778][ T4304] dump_stack+0x1c/0x5c [ 56.135508][ T4304] bad_page+0x188/0x1a8 [ 56.136273][ T4304] check_free_page_bad+0xf4/0x16c [ 56.137091][ T4304] free_unref_page_prepare+0x738/0xa84 [ 56.138011][ T4304] free_unref_page_list+0xdc/0x730 [ 56.138876][ T4304] release_pages+0x13bc/0x16dc [ 56.139709][ T4304] __pagevec_release+0x84/0xf8 [ 56.140511][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 56.141462][ T4304] truncate_inode_pages+0x2c/0x3c [ 56.142293][ T4304] dbUnmount+0xf4/0x168 [ 56.142987][ T4304] jfs_umount+0x1c4/0x328 [ 56.143670][ T4304] jfs_put_super+0x90/0x188 [ 56.144380][ T4304] generic_shutdown_super+0x130/0x2f0 [ 56.145284][ T4304] kill_block_super+0x70/0xdc [ 56.146160][ T4304] deactivate_locked_super+0xb8/0x134 [ 56.147104][ T4304] deactivate_super+0xf0/0x110 [ 56.147972][ T4304] cleanup_mnt+0x3b8/0x46c [ 56.148683][ T4304] __cleanup_mnt+0x20/0x30 [ 56.149456][ T4304] task_work_run+0x12c/0x1d8 [ 56.150257][ T4304] do_notify_resume+0x2450/0x309c [ 56.151130][ T4304] el0_svc+0xf0/0x1d0 [ 56.151817][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 56.152696][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 56.326701][ T4641] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.326701][ T4641] [ 56.328035][ T4641] JFS: sb_issue_discard(00000000d2b7d7f2, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.329786][ T4641] blkno = 8000000000400, nblocks = 400 [ 56.330883][ T4641] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.330883][ T4641] [ 56.340424][ T4304] BUG: Bad page state in process syz-executor.0 pfn:116de9 [ 56.342192][ T4304] page:0000000012cea0a2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x116de9 [ 56.343960][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.345562][ T4304] raw: 05ffc00000002006 fffffc0003499308 ffff80001f2f75c0 0000000000000000 [ 56.347089][ T4304] raw: 0000000000000004 ffff0000ca6942e8 00000000ffffffff 0000000000000000 [ 56.348645][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.349907][ T4304] Modules linked in: [ 56.350632][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.352168][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.353806][ T4304] Call trace: [ 56.354321][ T4304] dump_backtrace+0x0/0x458 [ 56.355083][ T4304] show_stack+0x2c/0x3c [ 56.355782][ T4304] __dump_stack+0x30/0x40 [ 56.356489][ T4304] dump_stack_lvl+0xf4/0x15c [ 56.357226][ T4304] dump_stack+0x1c/0x5c [ 56.357970][ T4304] bad_page+0x188/0x1a8 [ 56.358639][ T4304] check_free_page_bad+0xf4/0x16c [ 56.359423][ T4304] free_unref_page_prepare+0x738/0xa84 [ 56.360382][ T4304] free_unref_page_list+0xdc/0x730 [ 56.361244][ T4304] release_pages+0x13bc/0x16dc [ 56.362087][ T4304] __pagevec_release+0x84/0xf8 [ 56.362899][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 56.363914][ T4304] truncate_inode_pages+0x2c/0x3c [ 56.364699][ T4304] dbUnmount+0xf4/0x168 [ 56.365450][ T4304] jfs_umount+0x1c4/0x328 [ 56.366159][ T4304] jfs_put_super+0x90/0x188 [ 56.366888][ T4304] generic_shutdown_super+0x130/0x2f0 [ 56.367809][ T4304] kill_block_super+0x70/0xdc [ 56.368641][ T4304] deactivate_locked_super+0xb8/0x134 [ 56.369573][ T4304] deactivate_super+0xf0/0x110 [ 56.370372][ T4304] cleanup_mnt+0x3b8/0x46c [ 56.371142][ T4304] __cleanup_mnt+0x20/0x30 [ 56.371877][ T4304] task_work_run+0x12c/0x1d8 [ 56.372680][ T4304] do_notify_resume+0x2450/0x309c [ 56.373519][ T4304] el0_svc+0xf0/0x1d0 [ 56.374163][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 56.375062][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 56.546376][ T4643] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.546376][ T4643] [ 56.547783][ T4643] JFS: sb_issue_discard(00000000e55b3e46, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.549506][ T4643] blkno = 8000000000400, nblocks = 400 [ 56.550424][ T4643] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.550424][ T4643] [ 56.554711][ T4304] BUG: Bad page state in process syz-executor.0 pfn:107819 [ 56.555868][ T4304] page:000000003f1fc404 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107819 [ 56.557676][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.559317][ T4304] raw: 05ffc00000002006 fffffc000305b808 ffff80001f2f75c0 0000000000000000 [ 56.561184][ T4304] raw: 0000000000000004 ffff0000c1bdbba0 00000000ffffffff 0000000000000000 [ 56.562631][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.563829][ T4304] Modules linked in: [ 56.564447][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.565840][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.567539][ T4304] Call trace: [ 56.568034][ T4304] dump_backtrace+0x0/0x458 [ 56.568734][ T4304] show_stack+0x2c/0x3c [ 56.569342][ T4304] __dump_stack+0x30/0x40 [ 56.570002][ T4304] dump_stack_lvl+0xf4/0x15c [ 56.570778][ T4304] dump_stack+0x1c/0x5c [ 56.571442][ T4304] bad_page+0x188/0x1a8 [ 56.572144][ T4304] check_free_page_bad+0xf4/0x16c [ 56.573018][ T4304] free_unref_page_prepare+0x738/0xa84 [ 56.573991][ T4304] free_unref_page_list+0xdc/0x730 [ 56.574823][ T4304] release_pages+0x13bc/0x16dc [ 56.575556][ T4304] __pagevec_release+0x84/0xf8 [ 56.576367][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 56.577352][ T4304] truncate_inode_pages+0x2c/0x3c [ 56.578181][ T4304] dbUnmount+0xf4/0x168 [ 56.578845][ T4304] jfs_umount+0x1c4/0x328 [ 56.579565][ T4304] jfs_put_super+0x90/0x188 [ 56.580354][ T4304] generic_shutdown_super+0x130/0x2f0 [ 56.581271][ T4304] kill_block_super+0x70/0xdc [ 56.582024][ T4304] deactivate_locked_super+0xb8/0x134 [ 56.582950][ T4304] deactivate_super+0xf0/0x110 [ 56.583703][ T4304] cleanup_mnt+0x3b8/0x46c [ 56.584552][ T4304] __cleanup_mnt+0x20/0x30 [ 56.585264][ T4304] task_work_run+0x12c/0x1d8 [ 56.586049][ T4304] do_notify_resume+0x2450/0x309c [ 56.586921][ T4304] el0_svc+0xf0/0x1d0 [ 56.587649][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 56.588526][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 56.795481][ T4645] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.795481][ T4645] [ 56.797026][ T4645] JFS: sb_issue_discard(0000000069fd739f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.798935][ T4645] blkno = 8000000000400, nblocks = 400 [ 56.799896][ T4645] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.799896][ T4645] [ 56.804457][ T4304] BUG: Bad page state in process syz-executor.0 pfn:107930 [ 56.805590][ T4304] page:00000000135c492b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107930 [ 56.807207][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.808742][ T4304] raw: 05ffc00000002006 fffffc00032b8288 ffff80001f2f75c0 0000000000000000 [ 56.810241][ T4304] raw: 0000000000000004 ffff0000ca694d90 00000000ffffffff 0000000000000000 [ 56.812157][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.813343][ T4304] Modules linked in: [ 56.814053][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.815565][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.817208][ T4304] Call trace: [ 56.817828][ T4304] dump_backtrace+0x0/0x458 [ 56.818604][ T4304] show_stack+0x2c/0x3c [ 56.819270][ T4304] __dump_stack+0x30/0x40 [ 56.819994][ T4304] dump_stack_lvl+0xf4/0x15c [ 56.820752][ T4304] dump_stack+0x1c/0x5c [ 56.821468][ T4304] bad_page+0x188/0x1a8 [ 56.822182][ T4304] check_free_page_bad+0xf4/0x16c [ 56.823129][ T4304] free_unref_page_prepare+0x738/0xa84 [ 56.824078][ T4304] free_unref_page_list+0xdc/0x730 [ 56.824973][ T4304] release_pages+0x13bc/0x16dc [ 56.825791][ T4304] __pagevec_release+0x84/0xf8 [ 56.826640][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 56.827579][ T4304] truncate_inode_pages+0x2c/0x3c [ 56.828361][ T4304] dbUnmount+0xf4/0x168 [ 56.829062][ T4304] jfs_umount+0x1c4/0x328 [ 56.829764][ T4304] jfs_put_super+0x90/0x188 [ 56.830455][ T4304] generic_shutdown_super+0x130/0x2f0 [ 56.831334][ T4304] kill_block_super+0x70/0xdc [ 56.832165][ T4304] deactivate_locked_super+0xb8/0x134 [ 56.833035][ T4304] deactivate_super+0xf0/0x110 [ 56.833864][ T4304] cleanup_mnt+0x3b8/0x46c [ 56.834615][ T4304] __cleanup_mnt+0x20/0x30 [ 56.835437][ T4304] task_work_run+0x12c/0x1d8 [ 56.836279][ T4304] do_notify_resume+0x2450/0x309c [ 56.837273][ T4304] el0_svc+0xf0/0x1d0 [ 56.837946][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 56.838855][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 56.978377][ T4647] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.978377][ T4647] [ 56.979701][ T4647] JFS: sb_issue_discard(00000000f4adb724, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.981652][ T4647] blkno = 8000000000400, nblocks = 400 [ 56.982523][ T4647] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.982523][ T4647] [ 56.987252][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10aced [ 56.988427][ T4304] page:00000000c142079b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10aced [ 56.990139][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.992335][ T4304] raw: 05ffc00000002006 fffffc00033d2ac8 ffff80001f2f75c0 0000000000000000 [ 56.993805][ T4304] raw: 0000000000000004 ffff0000c8f4e8b8 00000000ffffffff 0000000000000000 [ 56.995229][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.996440][ T4304] Modules linked in: [ 56.997101][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.998741][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.000524][ T4304] Call trace: [ 57.001078][ T4304] dump_backtrace+0x0/0x458 [ 57.001881][ T4304] show_stack+0x2c/0x3c [ 57.002580][ T4304] __dump_stack+0x30/0x40 [ 57.003350][ T4304] dump_stack_lvl+0xf4/0x15c [ 57.004139][ T4304] dump_stack+0x1c/0x5c [ 57.004830][ T4304] bad_page+0x188/0x1a8 [ 57.005568][ T4304] check_free_page_bad+0xf4/0x16c [ 57.006417][ T4304] free_unref_page_prepare+0x738/0xa84 [ 57.007419][ T4304] free_unref_page_list+0xdc/0x730 [ 57.008336][ T4304] release_pages+0x13bc/0x16dc [ 57.009165][ T4304] __pagevec_release+0x84/0xf8 [ 57.010026][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 57.011021][ T4304] truncate_inode_pages+0x2c/0x3c [ 57.011931][ T4304] dbUnmount+0xf4/0x168 [ 57.012623][ T4304] jfs_umount+0x1c4/0x328 [ 57.013427][ T4304] jfs_put_super+0x90/0x188 [ 57.014218][ T4304] generic_shutdown_super+0x130/0x2f0 [ 57.015050][ T4304] kill_block_super+0x70/0xdc [ 57.015777][ T4304] deactivate_locked_super+0xb8/0x134 [ 57.016623][ T4304] deactivate_super+0xf0/0x110 [ 57.017504][ T4304] cleanup_mnt+0x3b8/0x46c [ 57.018224][ T4304] __cleanup_mnt+0x20/0x30 [ 57.019032][ T4304] task_work_run+0x12c/0x1d8 [ 57.019752][ T4304] do_notify_resume+0x2450/0x309c [ 57.020546][ T4304] el0_svc+0xf0/0x1d0 [ 57.021263][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 57.022114][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 57.207244][ T4649] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.207244][ T4649] [ 57.208638][ T4649] JFS: sb_issue_discard(000000009677bc7b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.210350][ T4649] blkno = 8000000000400, nblocks = 400 [ 57.211364][ T4649] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.211364][ T4649] [ 57.215663][ T4304] BUG: Bad page state in process syz-executor.0 pfn:111bec [ 57.216870][ T4304] page:000000001dd1f3c8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111bec [ 57.218504][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.220271][ T4304] raw: 05ffc00000002006 fffffc000346ff88 ffff80001f2f75c0 0000000000000000 [ 57.220620][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 57.222586][ T4304] raw: 0000000000000004 ffff0000d1eba3e0 00000000ffffffff 0000000000000000 [ 57.224128][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.225493][ T4304] Modules linked in: [ 57.226170][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.227600][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.229269][ T4304] Call trace: [ 57.229866][ T4304] dump_backtrace+0x0/0x458 [ 57.230757][ T4304] show_stack+0x2c/0x3c [ 57.231444][ T4304] __dump_stack+0x30/0x40 [ 57.232186][ T4304] dump_stack_lvl+0xf4/0x15c [ 57.232981][ T4304] dump_stack+0x1c/0x5c [ 57.233644][ T4304] bad_page+0x188/0x1a8 [ 57.234348][ T4304] check_free_page_bad+0xf4/0x16c [ 57.235195][ T4304] free_unref_page_prepare+0x738/0xa84 [ 57.236158][ T4304] free_unref_page_list+0xdc/0x730 [ 57.237029][ T4304] release_pages+0x13bc/0x16dc [ 57.237915][ T4304] __pagevec_release+0x84/0xf8 [ 57.238802][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 57.239862][ T4304] truncate_inode_pages+0x2c/0x3c [ 57.240701][ T4304] dbUnmount+0xf4/0x168 [ 57.241503][ T4304] jfs_umount+0x1c4/0x328 [ 57.242258][ T4304] jfs_put_super+0x90/0x188 [ 57.243075][ T4304] generic_shutdown_super+0x130/0x2f0 [ 57.244031][ T4304] kill_block_super+0x70/0xdc [ 57.244833][ T4304] deactivate_locked_super+0xb8/0x134 [ 57.245768][ T4304] deactivate_super+0xf0/0x110 [ 57.246570][ T4304] cleanup_mnt+0x3b8/0x46c [ 57.247263][ T4304] __cleanup_mnt+0x20/0x30 [ 57.248065][ T4304] task_work_run+0x12c/0x1d8 [ 57.248867][ T4304] do_notify_resume+0x2450/0x309c [ 57.249767][ T4304] el0_svc+0xf0/0x1d0 [ 57.250488][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 57.251346][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 57.416573][ T4651] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.416573][ T4651] [ 57.417921][ T4651] JFS: sb_issue_discard(000000000c05d911, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.419678][ T4651] blkno = 8000000000400, nblocks = 400 [ 57.420764][ T4651] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.420764][ T4651] [ 57.424849][ T4304] BUG: Bad page state in process syz-executor.0 pfn:11195d [ 57.426105][ T4304] page:0000000082f9a7ba refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11195d [ 57.427999][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.429550][ T4304] raw: 05ffc00000002006 fffffc000323fe88 ffff80001f2f75c0 0000000000000000 [ 57.431168][ T4304] raw: 0000000000000004 ffff0000d1ac66c8 00000000ffffffff 0000000000000000 [ 57.432655][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.433904][ T4304] Modules linked in: [ 57.434561][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.436043][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.437763][ T4304] Call trace: [ 57.438258][ T4304] dump_backtrace+0x0/0x458 [ 57.438988][ T4304] show_stack+0x2c/0x3c [ 57.439726][ T4304] __dump_stack+0x30/0x40 [ 57.440412][ T4304] dump_stack_lvl+0xf4/0x15c [ 57.441151][ T4304] dump_stack+0x1c/0x5c [ 57.441812][ T4304] bad_page+0x188/0x1a8 [ 57.442491][ T4304] check_free_page_bad+0xf4/0x16c [ 57.443356][ T4304] free_unref_page_prepare+0x738/0xa84 [ 57.444292][ T4304] free_unref_page_list+0xdc/0x730 [ 57.445189][ T4304] release_pages+0x13bc/0x16dc [ 57.445998][ T4304] __pagevec_release+0x84/0xf8 [ 57.446781][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 57.447727][ T4304] truncate_inode_pages+0x2c/0x3c [ 57.448613][ T4304] dbUnmount+0xf4/0x168 [ 57.449329][ T4304] jfs_umount+0x1c4/0x328 [ 57.450171][ T4304] jfs_put_super+0x90/0x188 [ 57.450977][ T4304] generic_shutdown_super+0x130/0x2f0 [ 57.451876][ T4304] kill_block_super+0x70/0xdc [ 57.452620][ T4304] deactivate_locked_super+0xb8/0x134 [ 57.453502][ T4304] deactivate_super+0xf0/0x110 [ 57.454291][ T4304] cleanup_mnt+0x3b8/0x46c [ 57.454975][ T4304] __cleanup_mnt+0x20/0x30 [ 57.455720][ T4304] task_work_run+0x12c/0x1d8 [ 57.456478][ T4304] do_notify_resume+0x2450/0x309c [ 57.457353][ T4304] el0_svc+0xf0/0x1d0 [ 57.458019][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 57.458914][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 57.590476][ T4653] set_capacity_and_notify: 13 callbacks suppressed [ 57.590486][ T4653] loop0: detected capacity change from 0 to 32768 [ 57.648295][ T4653] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.648295][ T4653] [ 57.649680][ T4653] handle_bad_sector: 13 callbacks suppressed [ 57.649693][ T4653] attempt to access beyond end of device [ 57.649693][ T4653] loop0: rw=2051, want=18014398509498368, limit=32768 [ 57.652890][ T4653] JFS: sb_issue_discard(00000000e5fc6b72, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.654720][ T4653] blkno = 8000000000400, nblocks = 400 [ 57.655654][ T4653] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.655654][ T4653] [ 57.660433][ T4304] BUG: Bad page state in process syz-executor.0 pfn:111c80 [ 57.661767][ T4304] page:00000000c2c4831a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111c80 [ 57.663449][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.665080][ T4304] raw: 05ffc00000002006 fffffc00032297c8 ffff80001f2f75c0 0000000000000000 [ 57.666484][ T4304] raw: 0000000000000004 ffff0000d1ebae88 00000000ffffffff 0000000000000000 [ 57.667929][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.669194][ T4304] Modules linked in: [ 57.669840][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.671466][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.673333][ T4304] Call trace: [ 57.673935][ T4304] dump_backtrace+0x0/0x458 [ 57.674811][ T4304] show_stack+0x2c/0x3c [ 57.675509][ T4304] __dump_stack+0x30/0x40 [ 57.676313][ T4304] dump_stack_lvl+0xf4/0x15c [ 57.677033][ T4304] dump_stack+0x1c/0x5c [ 57.677720][ T4304] bad_page+0x188/0x1a8 [ 57.678431][ T4304] check_free_page_bad+0xf4/0x16c [ 57.679269][ T4304] free_unref_page_prepare+0x738/0xa84 [ 57.680202][ T4304] free_unref_page_list+0xdc/0x730 [ 57.681043][ T4304] release_pages+0x13bc/0x16dc [ 57.681897][ T4304] __pagevec_release+0x84/0xf8 [ 57.682761][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 57.683799][ T4304] truncate_inode_pages+0x2c/0x3c [ 57.684728][ T4304] dbUnmount+0xf4/0x168 [ 57.685469][ T4304] jfs_umount+0x1c4/0x328 [ 57.686162][ T4304] jfs_put_super+0x90/0x188 [ 57.686930][ T4304] generic_shutdown_super+0x130/0x2f0 [ 57.687800][ T4304] kill_block_super+0x70/0xdc [ 57.688616][ T4304] deactivate_locked_super+0xb8/0x134 [ 57.689560][ T4304] deactivate_super+0xf0/0x110 [ 57.690422][ T4304] cleanup_mnt+0x3b8/0x46c [ 57.691118][ T4304] __cleanup_mnt+0x20/0x30 [ 57.691918][ T4304] task_work_run+0x12c/0x1d8 [ 57.692775][ T4304] do_notify_resume+0x2450/0x309c [ 57.693637][ T4304] el0_svc+0xf0/0x1d0 [ 57.694400][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 57.695252][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 57.800793][ T4655] loop0: detected capacity change from 0 to 32768 [ 57.845381][ T4655] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.845381][ T4655] [ 57.846847][ T4655] attempt to access beyond end of device [ 57.846847][ T4655] loop0: rw=2051, want=18014398509498368, limit=32768 [ 57.848654][ T4655] JFS: sb_issue_discard(00000000e7dbfce8, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.850661][ T4655] blkno = 8000000000400, nblocks = 400 [ 57.851724][ T4655] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.851724][ T4655] [ 57.856365][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10779e [ 57.857510][ T4304] page:00000000271c5f8b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10779e [ 57.859255][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.861551][ T4304] raw: 05ffc00000002006 fffffc0003464588 ffff80001f2f75c0 0000000000000000 [ 57.862879][ T4304] raw: 0000000000000004 ffff0000d1e7e9b0 00000000ffffffff 0000000000000000 [ 57.864332][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.865548][ T4304] Modules linked in: [ 57.866289][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.867741][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.869412][ T4304] Call trace: [ 57.869893][ T4304] dump_backtrace+0x0/0x458 [ 57.870666][ T4304] show_stack+0x2c/0x3c [ 57.871389][ T4304] __dump_stack+0x30/0x40 [ 57.872155][ T4304] dump_stack_lvl+0xf4/0x15c [ 57.872936][ T4304] dump_stack+0x1c/0x5c [ 57.873588][ T4304] bad_page+0x188/0x1a8 [ 57.874369][ T4304] check_free_page_bad+0xf4/0x16c [ 57.875291][ T4304] free_unref_page_prepare+0x738/0xa84 [ 57.876255][ T4304] free_unref_page_list+0xdc/0x730 [ 57.877121][ T4304] release_pages+0x13bc/0x16dc [ 57.877960][ T4304] __pagevec_release+0x84/0xf8 [ 57.878836][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 57.879867][ T4304] truncate_inode_pages+0x2c/0x3c [ 57.880762][ T4304] dbUnmount+0xf4/0x168 [ 57.881575][ T4304] jfs_umount+0x1c4/0x328 [ 57.882309][ T4304] jfs_put_super+0x90/0x188 [ 57.883071][ T4304] generic_shutdown_super+0x130/0x2f0 [ 57.883979][ T4304] kill_block_super+0x70/0xdc [ 57.884827][ T4304] deactivate_locked_super+0xb8/0x134 [ 57.885809][ T4304] deactivate_super+0xf0/0x110 [ 57.886635][ T4304] cleanup_mnt+0x3b8/0x46c [ 57.887353][ T4304] __cleanup_mnt+0x20/0x30 [ 57.888143][ T4304] task_work_run+0x12c/0x1d8 [ 57.888915][ T4304] do_notify_resume+0x2450/0x309c [ 57.889880][ T4304] el0_svc+0xf0/0x1d0 [ 57.890514][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 57.891352][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 58.010956][ T4657] loop0: detected capacity change from 0 to 32768 [ 58.075381][ T4657] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.075381][ T4657] [ 58.076920][ T4657] attempt to access beyond end of device [ 58.076920][ T4657] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.078985][ T4657] JFS: sb_issue_discard(000000007a7a154c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.081148][ T4657] blkno = 8000000000400, nblocks = 400 [ 58.082022][ T4657] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.082022][ T4657] [ 58.087812][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10833f [ 58.088946][ T4304] page:0000000044d150fd refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10833f [ 58.091194][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.092804][ T4304] raw: 05ffc00000002006 fffffc000355b1c8 ffff80001f2f75c0 0000000000000000 [ 58.094271][ T4304] raw: 0000000000000004 ffff0000c91211f0 00000000ffffffff 0000000000000000 [ 58.095692][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.096969][ T4304] Modules linked in: [ 58.097662][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.099210][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.100968][ T4304] Call trace: [ 58.101523][ T4304] dump_backtrace+0x0/0x458 [ 58.102278][ T4304] show_stack+0x2c/0x3c [ 58.102938][ T4304] __dump_stack+0x30/0x40 [ 58.103626][ T4304] dump_stack_lvl+0xf4/0x15c [ 58.104429][ T4304] dump_stack+0x1c/0x5c [ 58.105158][ T4304] bad_page+0x188/0x1a8 [ 58.105818][ T4304] check_free_page_bad+0xf4/0x16c [ 58.106679][ T4304] free_unref_page_prepare+0x738/0xa84 [ 58.107604][ T4304] free_unref_page_list+0xdc/0x730 [ 58.108447][ T4304] release_pages+0x13bc/0x16dc [ 58.109244][ T4304] __pagevec_release+0x84/0xf8 [ 58.110114][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 58.111066][ T4304] truncate_inode_pages+0x2c/0x3c [ 58.111924][ T4304] dbUnmount+0xf4/0x168 [ 58.112607][ T4304] jfs_umount+0x1c4/0x328 [ 58.113299][ T4304] jfs_put_super+0x90/0x188 [ 58.114031][ T4304] generic_shutdown_super+0x130/0x2f0 [ 58.114965][ T4304] kill_block_super+0x70/0xdc [ 58.115681][ T4304] deactivate_locked_super+0xb8/0x134 [ 58.116612][ T4304] deactivate_super+0xf0/0x110 [ 58.117391][ T4304] cleanup_mnt+0x3b8/0x46c [ 58.118176][ T4304] __cleanup_mnt+0x20/0x30 [ 58.118950][ T4304] task_work_run+0x12c/0x1d8 [ 58.119685][ T4304] do_notify_resume+0x2450/0x309c [ 58.120569][ T4304] el0_svc+0xf0/0x1d0 [ 58.121269][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 58.122039][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 58.279462][ T4659] loop0: detected capacity change from 0 to 32768 [ 58.325837][ T4659] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.325837][ T4659] [ 58.327314][ T4659] attempt to access beyond end of device [ 58.327314][ T4659] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.329346][ T4659] JFS: sb_issue_discard(000000007ba5b8bd, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.331243][ T4659] blkno = 8000000000400, nblocks = 400 [ 58.332157][ T4659] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.332157][ T4659] [ 58.336211][ T4304] BUG: Bad page state in process syz-executor.0 pfn:108611 [ 58.337423][ T4304] page:0000000021147528 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108611 [ 58.339203][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.343335][ T4304] raw: 05ffc00000002006 fffffc000338a348 ffff80001f2f75c0 0000000000000000 [ 58.344705][ T4304] raw: 0000000000000004 ffff0000c9121c98 00000000ffffffff 0000000000000000 [ 58.346198][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.347402][ T4304] Modules linked in: [ 58.348072][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.349562][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.351210][ T4304] Call trace: [ 58.351759][ T4304] dump_backtrace+0x0/0x458 [ 58.352523][ T4304] show_stack+0x2c/0x3c [ 58.353207][ T4304] __dump_stack+0x30/0x40 [ 58.353950][ T4304] dump_stack_lvl+0xf4/0x15c [ 58.354717][ T4304] dump_stack+0x1c/0x5c [ 58.355413][ T4304] bad_page+0x188/0x1a8 [ 58.356126][ T4304] check_free_page_bad+0xf4/0x16c [ 58.356974][ T4304] free_unref_page_prepare+0x738/0xa84 [ 58.357916][ T4304] free_unref_page_list+0xdc/0x730 [ 58.358770][ T4304] release_pages+0x13bc/0x16dc [ 58.359553][ T4304] __pagevec_release+0x84/0xf8 [ 58.360347][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 58.361292][ T4304] truncate_inode_pages+0x2c/0x3c [ 58.362137][ T4304] dbUnmount+0xf4/0x168 [ 58.362863][ T4304] jfs_umount+0x1c4/0x328 [ 58.363573][ T4304] jfs_put_super+0x90/0x188 [ 58.364398][ T4304] generic_shutdown_super+0x130/0x2f0 [ 58.365266][ T4304] kill_block_super+0x70/0xdc [ 58.366049][ T4304] deactivate_locked_super+0xb8/0x134 [ 58.367012][ T4304] deactivate_super+0xf0/0x110 [ 58.367810][ T4304] cleanup_mnt+0x3b8/0x46c [ 58.368601][ T4304] __cleanup_mnt+0x20/0x30 [ 58.369351][ T4304] task_work_run+0x12c/0x1d8 [ 58.370115][ T4304] do_notify_resume+0x2450/0x309c [ 58.370987][ T4304] el0_svc+0xf0/0x1d0 [ 58.371627][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 58.372433][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 58.480010][ T4661] loop0: detected capacity change from 0 to 32768 [ 58.535732][ T4661] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.535732][ T4661] [ 58.537248][ T4661] attempt to access beyond end of device [ 58.537248][ T4661] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.539414][ T4661] JFS: sb_issue_discard(0000000095aad056, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.541747][ T4661] blkno = 8000000000400, nblocks = 400 [ 58.542545][ T4661] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.542545][ T4661] [ 58.546657][ T4304] BUG: Bad page state in process syz-executor.0 pfn:112e28 [ 58.547829][ T4304] page:00000000172eb907 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112e28 [ 58.549461][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.551512][ T4304] raw: 05ffc00000002006 fffffc00030452c8 ffff80001f2f75c0 0000000000000000 [ 58.552940][ T4304] raw: 0000000000000004 ffff0000c956e4d8 00000000ffffffff 0000000000000000 [ 58.554396][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.555628][ T4304] Modules linked in: [ 58.556259][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.557768][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.559416][ T4304] Call trace: [ 58.559994][ T4304] dump_backtrace+0x0/0x458 [ 58.560786][ T4304] show_stack+0x2c/0x3c [ 58.561467][ T4304] __dump_stack+0x30/0x40 [ 58.562183][ T4304] dump_stack_lvl+0xf4/0x15c [ 58.563054][ T4304] dump_stack+0x1c/0x5c [ 58.563801][ T4304] bad_page+0x188/0x1a8 [ 58.564553][ T4304] check_free_page_bad+0xf4/0x16c [ 58.565430][ T4304] free_unref_page_prepare+0x738/0xa84 [ 58.566363][ T4304] free_unref_page_list+0xdc/0x730 [ 58.567246][ T4304] release_pages+0x13bc/0x16dc [ 58.568115][ T4304] __pagevec_release+0x84/0xf8 [ 58.568899][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 58.569877][ T4304] truncate_inode_pages+0x2c/0x3c [ 58.570755][ T4304] dbUnmount+0xf4/0x168 [ 58.571491][ T4304] jfs_umount+0x1c4/0x328 [ 58.572211][ T4304] jfs_put_super+0x90/0x188 [ 58.572948][ T4304] generic_shutdown_super+0x130/0x2f0 [ 58.573788][ T4304] kill_block_super+0x70/0xdc [ 58.574535][ T4304] deactivate_locked_super+0xb8/0x134 [ 58.575423][ T4304] deactivate_super+0xf0/0x110 [ 58.576244][ T4304] cleanup_mnt+0x3b8/0x46c [ 58.577072][ T4304] __cleanup_mnt+0x20/0x30 [ 58.577832][ T4304] task_work_run+0x12c/0x1d8 [ 58.578614][ T4304] do_notify_resume+0x2450/0x309c [ 58.579434][ T4304] el0_svc+0xf0/0x1d0 [ 58.580160][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 58.581022][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 58.689583][ T4663] loop0: detected capacity change from 0 to 32768 [ 58.755471][ T4663] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.755471][ T4663] [ 58.757040][ T4663] attempt to access beyond end of device [ 58.757040][ T4663] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.759261][ T4663] JFS: sb_issue_discard(00000000be63844f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.761387][ T4663] blkno = 8000000000400, nblocks = 400 [ 58.762212][ T4663] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.762212][ T4663] [ 58.766379][ T4304] BUG: Bad page state in process syz-executor.0 pfn:11abae [ 58.767573][ T4304] page:00000000c047913e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11abae [ 58.769216][ T4304] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.771017][ T4304] raw: 05ffc00000002004 fffffc00032ae748 ffff80001f2f75c0 0000000000000000 [ 58.772428][ T4304] raw: 0000000000000004 ffff0000c11a4000 00000000ffffffff 0000000000000000 [ 58.773883][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.775152][ T4304] Modules linked in: [ 58.775814][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.777325][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.779041][ T4304] Call trace: [ 58.779550][ T4304] dump_backtrace+0x0/0x458 [ 58.780322][ T4304] show_stack+0x2c/0x3c [ 58.781044][ T4304] __dump_stack+0x30/0x40 [ 58.781661][ T4304] dump_stack_lvl+0xf4/0x15c [ 58.782409][ T4304] dump_stack+0x1c/0x5c [ 58.783129][ T4304] bad_page+0x188/0x1a8 [ 58.783852][ T4304] check_free_page_bad+0xf4/0x16c [ 58.784681][ T4304] free_unref_page_prepare+0x738/0xa84 [ 58.785586][ T4304] free_unref_page_list+0xdc/0x730 [ 58.786485][ T4304] release_pages+0x13bc/0x16dc [ 58.787338][ T4304] __pagevec_release+0x84/0xf8 [ 58.788120][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 58.789124][ T4304] truncate_inode_pages+0x2c/0x3c [ 58.789945][ T4304] dbUnmount+0xf4/0x168 [ 58.790607][ T4304] jfs_umount+0x1c4/0x328 [ 58.791308][ T4304] jfs_put_super+0x90/0x188 [ 58.792042][ T4304] generic_shutdown_super+0x130/0x2f0 [ 58.792948][ T4304] kill_block_super+0x70/0xdc [ 58.793706][ T4304] deactivate_locked_super+0xb8/0x134 [ 58.794608][ T4304] deactivate_super+0xf0/0x110 [ 58.795475][ T4304] cleanup_mnt+0x3b8/0x46c [ 58.796249][ T4304] __cleanup_mnt+0x20/0x30 [ 58.797030][ T4304] task_work_run+0x12c/0x1d8 [ 58.797803][ T4304] do_notify_resume+0x2450/0x309c [ 58.798590][ T4304] el0_svc+0xf0/0x1d0 [ 58.799230][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 58.800044][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 58.911166][ T4665] loop0: detected capacity change from 0 to 32768 [ 58.962212][ T4665] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.962212][ T4665] [ 58.963507][ T4665] attempt to access beyond end of device [ 58.963507][ T4665] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.965568][ T4665] JFS: sb_issue_discard(00000000fbafb6a5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.967411][ T4665] blkno = 8000000000400, nblocks = 400 [ 58.968324][ T4665] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.968324][ T4665] [ 58.972882][ T4304] BUG: Bad page state in process syz-executor.0 pfn:1078e2 [ 58.974058][ T4304] page:000000002d580b04 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1078e2 [ 58.975846][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.977471][ T4304] raw: 05ffc00000002006 fffffc000344fa48 ffff80001f2f75c0 0000000000000000 [ 58.978923][ T4304] raw: 0000000000000004 ffff0000c11a4aa8 00000000ffffffff 0000000000000000 [ 58.980414][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.982131][ T4304] Modules linked in: [ 58.982754][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.984228][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.985907][ T4304] Call trace: [ 58.986425][ T4304] dump_backtrace+0x0/0x458 [ 58.987130][ T4304] show_stack+0x2c/0x3c [ 58.987775][ T4304] __dump_stack+0x30/0x40 [ 58.988440][ T4304] dump_stack_lvl+0xf4/0x15c [ 58.989223][ T4304] dump_stack+0x1c/0x5c [ 58.989893][ T4304] bad_page+0x188/0x1a8 [ 58.990567][ T4304] check_free_page_bad+0xf4/0x16c [ 58.991440][ T4304] free_unref_page_prepare+0x738/0xa84 [ 58.992348][ T4304] free_unref_page_list+0xdc/0x730 [ 58.993208][ T4304] release_pages+0x13bc/0x16dc [ 58.994068][ T4304] __pagevec_release+0x84/0xf8 [ 58.994897][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 58.995880][ T4304] truncate_inode_pages+0x2c/0x3c [ 58.996789][ T4304] dbUnmount+0xf4/0x168 [ 58.997502][ T4304] jfs_umount+0x1c4/0x328 [ 58.998247][ T4304] jfs_put_super+0x90/0x188 [ 58.998998][ T4304] generic_shutdown_super+0x130/0x2f0 [ 58.999885][ T4304] kill_block_super+0x70/0xdc [ 59.000740][ T4304] deactivate_locked_super+0xb8/0x134 [ 59.001635][ T4304] deactivate_super+0xf0/0x110 [ 59.002473][ T4304] cleanup_mnt+0x3b8/0x46c [ 59.003232][ T4304] __cleanup_mnt+0x20/0x30 [ 59.003968][ T4304] task_work_run+0x12c/0x1d8 [ 59.004850][ T4304] do_notify_resume+0x2450/0x309c [ 59.005677][ T4304] el0_svc+0xf0/0x1d0 [ 59.006375][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 59.007229][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 59.088509][ T4667] loop0: detected capacity change from 0 to 32768 [ 59.145331][ T4667] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.145331][ T4667] [ 59.146753][ T4667] attempt to access beyond end of device [ 59.146753][ T4667] loop0: rw=2051, want=18014398509498368, limit=32768 [ 59.148854][ T4667] JFS: sb_issue_discard(000000002c110553, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.150807][ T4667] blkno = 8000000000400, nblocks = 400 [ 59.151661][ T4667] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.151661][ T4667] [ 59.157196][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10fbaa [ 59.158290][ T4304] page:00000000cb0adf3f refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10fbaa [ 59.160075][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.162316][ T4304] raw: 05ffc00000002006 fffffc00033cc248 ffff80001f2f75c0 0000000000000000 [ 59.163767][ T4304] raw: 0000000000000004 ffff0000daa3a7c0 00000000ffffffff 0000000000000000 [ 59.165359][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.166566][ T4304] Modules linked in: [ 59.167222][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.168879][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.170520][ T4304] Call trace: [ 59.171172][ T4304] dump_backtrace+0x0/0x458 [ 59.172001][ T4304] show_stack+0x2c/0x3c [ 59.172732][ T4304] __dump_stack+0x30/0x40 [ 59.173434][ T4304] dump_stack_lvl+0xf4/0x15c [ 59.174243][ T4304] dump_stack+0x1c/0x5c [ 59.174981][ T4304] bad_page+0x188/0x1a8 [ 59.175672][ T4304] check_free_page_bad+0xf4/0x16c [ 59.176580][ T4304] free_unref_page_prepare+0x738/0xa84 [ 59.177504][ T4304] free_unref_page_list+0xdc/0x730 [ 59.178357][ T4304] release_pages+0x13bc/0x16dc [ 59.179170][ T4304] __pagevec_release+0x84/0xf8 [ 59.179980][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 59.181017][ T4304] truncate_inode_pages+0x2c/0x3c [ 59.181890][ T4304] dbUnmount+0xf4/0x168 [ 59.182565][ T4304] jfs_umount+0x1c4/0x328 [ 59.183299][ T4304] jfs_put_super+0x90/0x188 [ 59.184133][ T4304] generic_shutdown_super+0x130/0x2f0 [ 59.185087][ T4304] kill_block_super+0x70/0xdc [ 59.185949][ T4304] deactivate_locked_super+0xb8/0x134 [ 59.186865][ T4304] deactivate_super+0xf0/0x110 [ 59.187635][ T4304] cleanup_mnt+0x3b8/0x46c [ 59.188425][ T4304] __cleanup_mnt+0x20/0x30 [ 59.189178][ T4304] task_work_run+0x12c/0x1d8 [ 59.189997][ T4304] do_notify_resume+0x2450/0x309c [ 59.190887][ T4304] el0_svc+0xf0/0x1d0 [ 59.191543][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 59.192351][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 59.300595][ T4075] Bluetooth: hci0: command 0x0419 tx timeout [ 59.319352][ T4669] loop0: detected capacity change from 0 to 32768 [ 59.365058][ T4669] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.365058][ T4669] [ 59.366517][ T4669] attempt to access beyond end of device [ 59.366517][ T4669] loop0: rw=2051, want=18014398509498368, limit=32768 [ 59.368600][ T4669] JFS: sb_issue_discard(00000000eb841b6b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.370505][ T4669] blkno = 8000000000400, nblocks = 400 [ 59.371604][ T4669] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.371604][ T4669] [ 59.375429][ T4304] BUG: Bad page state in process syz-executor.0 pfn:1094c9 [ 59.376539][ T4304] page:000000000ec12069 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1094c9 [ 59.378215][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.379897][ T4304] raw: 05ffc00000002006 fffffc0003240208 ffff80001f2f75c0 0000000000000000 [ 59.381454][ T4304] raw: 0000000000000004 ffff0000c87702e8 00000000ffffffff 0000000000000000 [ 59.382909][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.384190][ T4304] Modules linked in: [ 59.384848][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.386379][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.388026][ T4304] Call trace: [ 59.388582][ T4304] dump_backtrace+0x0/0x458 [ 59.389360][ T4304] show_stack+0x2c/0x3c [ 59.390089][ T4304] __dump_stack+0x30/0x40 [ 59.390835][ T4304] dump_stack_lvl+0xf4/0x15c [ 59.391690][ T4304] dump_stack+0x1c/0x5c [ 59.392450][ T4304] bad_page+0x188/0x1a8 [ 59.393201][ T4304] check_free_page_bad+0xf4/0x16c [ 59.394060][ T4304] free_unref_page_prepare+0x738/0xa84 [ 59.395003][ T4304] free_unref_page_list+0xdc/0x730 [ 59.395858][ T4304] release_pages+0x13bc/0x16dc [ 59.396644][ T4304] __pagevec_release+0x84/0xf8 [ 59.397424][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 59.398338][ T4304] truncate_inode_pages+0x2c/0x3c [ 59.399182][ T4304] dbUnmount+0xf4/0x168 [ 59.399861][ T4304] jfs_umount+0x1c4/0x328 [ 59.400617][ T4304] jfs_put_super+0x90/0x188 [ 59.401395][ T4304] generic_shutdown_super+0x130/0x2f0 [ 59.402328][ T4304] kill_block_super+0x70/0xdc [ 59.403127][ T4304] deactivate_locked_super+0xb8/0x134 [ 59.403977][ T4304] deactivate_super+0xf0/0x110 [ 59.404768][ T4304] cleanup_mnt+0x3b8/0x46c [ 59.405514][ T4304] __cleanup_mnt+0x20/0x30 [ 59.406310][ T4304] task_work_run+0x12c/0x1d8 [ 59.407131][ T4304] do_notify_resume+0x2450/0x309c [ 59.408049][ T4304] el0_svc+0xf0/0x1d0 [ 59.408719][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 59.409564][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 59.569318][ T4671] loop0: detected capacity change from 0 to 32768 [ 59.635446][ T4671] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.635446][ T4671] [ 59.637016][ T4671] attempt to access beyond end of device [ 59.637016][ T4671] loop0: rw=2051, want=18014398509498368, limit=32768 [ 59.639251][ T4671] JFS: sb_issue_discard(000000005498b599, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.641604][ T4671] blkno = 8000000000400, nblocks = 400 [ 59.642509][ T4671] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.642509][ T4671] [ 59.647574][ T4304] BUG: Bad page state in process syz-executor.0 pfn:11a923 [ 59.648758][ T4304] page:000000008a487fde refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11a923 [ 59.650598][ T4304] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.652093][ T4304] raw: 05ffc00000002004 fffffc0003223608 ffff80001f2f75c0 0000000000000000 [ 59.653613][ T4304] raw: 0000000000000004 ffff0000c8770000 00000000ffffffff 0000000000000000 [ 59.655144][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.656385][ T4304] Modules linked in: [ 59.657046][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.658724][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.660411][ T4304] Call trace: [ 59.660962][ T4304] dump_backtrace+0x0/0x458 [ 59.661720][ T4304] show_stack+0x2c/0x3c [ 59.662468][ T4304] __dump_stack+0x30/0x40 [ 59.663240][ T4304] dump_stack_lvl+0xf4/0x15c [ 59.663972][ T4304] dump_stack+0x1c/0x5c [ 59.664721][ T4304] bad_page+0x188/0x1a8 [ 59.665438][ T4304] check_free_page_bad+0xf4/0x16c [ 59.666279][ T4304] free_unref_page_prepare+0x738/0xa84 [ 59.667242][ T4304] free_unref_page_list+0xdc/0x730 [ 59.668124][ T4304] release_pages+0x13bc/0x16dc [ 59.668909][ T4304] __pagevec_release+0x84/0xf8 [ 59.669724][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 59.670671][ T4304] truncate_inode_pages+0x2c/0x3c [ 59.671531][ T4304] dbUnmount+0xf4/0x168 [ 59.672213][ T4304] jfs_umount+0x1c4/0x328 [ 59.672955][ T4304] jfs_put_super+0x90/0x188 [ 59.673687][ T4304] generic_shutdown_super+0x130/0x2f0 [ 59.674509][ T4304] kill_block_super+0x70/0xdc [ 59.675285][ T4304] deactivate_locked_super+0xb8/0x134 [ 59.676228][ T4304] deactivate_super+0xf0/0x110 [ 59.677018][ T4304] cleanup_mnt+0x3b8/0x46c [ 59.677822][ T4304] __cleanup_mnt+0x20/0x30 [ 59.678578][ T4304] task_work_run+0x12c/0x1d8 [ 59.679373][ T4304] do_notify_resume+0x2450/0x309c [ 59.680263][ T4304] el0_svc+0xf0/0x1d0 [ 59.680977][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 59.681885][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 59.857146][ T4673] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.857146][ T4673] [ 59.858432][ T4673] JFS: sb_issue_discard(00000000f4358a5f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.860108][ T4673] blkno = 8000000000400, nblocks = 400 [ 59.861373][ T4673] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.861373][ T4673] [ 59.865355][ T4304] BUG: Bad page state in process syz-executor.0 pfn:116dc6 [ 59.866543][ T4304] page:00000000be04dd21 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x116dc6 [ 59.868296][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.869935][ T4304] raw: 05ffc00000002006 fffffc0003694e88 ffff80001f2f75c0 0000000000000000 [ 59.871764][ T4304] raw: 0000000000000004 ffff0000c84e6000 00000000ffffffff 0000000000000000 [ 59.873129][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.874392][ T4304] Modules linked in: [ 59.874999][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.876531][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.878363][ T4304] Call trace: [ 59.878928][ T4304] dump_backtrace+0x0/0x458 [ 59.879703][ T4304] show_stack+0x2c/0x3c [ 59.880425][ T4304] __dump_stack+0x30/0x40 [ 59.881190][ T4304] dump_stack_lvl+0xf4/0x15c [ 59.881970][ T4304] dump_stack+0x1c/0x5c [ 59.882692][ T4304] bad_page+0x188/0x1a8 [ 59.883411][ T4304] check_free_page_bad+0xf4/0x16c [ 59.884259][ T4304] free_unref_page_prepare+0x738/0xa84 [ 59.885277][ T4304] free_unref_page_list+0xdc/0x730 [ 59.886184][ T4304] release_pages+0x13bc/0x16dc [ 59.887077][ T4304] __pagevec_release+0x84/0xf8 [ 59.887879][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 59.888833][ T4304] truncate_inode_pages+0x2c/0x3c [ 59.889727][ T4304] dbUnmount+0xf4/0x168 [ 59.890402][ T4304] jfs_umount+0x1c4/0x328 [ 59.891147][ T4304] jfs_put_super+0x90/0x188 [ 59.891966][ T4304] generic_shutdown_super+0x130/0x2f0 [ 59.892846][ T4304] kill_block_super+0x70/0xdc [ 59.893647][ T4304] deactivate_locked_super+0xb8/0x134 [ 59.894554][ T4304] deactivate_super+0xf0/0x110 [ 59.895425][ T4304] cleanup_mnt+0x3b8/0x46c [ 59.896182][ T4304] __cleanup_mnt+0x20/0x30 [ 59.896934][ T4304] task_work_run+0x12c/0x1d8 [ 59.897752][ T4304] do_notify_resume+0x2450/0x309c [ 59.898673][ T4304] el0_svc+0xf0/0x1d0 [ 59.899363][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 59.900296][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 60.057964][ T4675] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.057964][ T4675] [ 60.059409][ T4675] JFS: sb_issue_discard(000000008eced778, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.061161][ T4675] blkno = 8000000000400, nblocks = 400 [ 60.062034][ T4675] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.062034][ T4675] [ 60.066249][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10966a [ 60.067466][ T4304] page:000000009f328093 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10966a [ 60.069212][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.070918][ T4304] raw: 05ffc00000002006 fffffc00030948c8 ffff80001f2f75c0 0000000000000000 [ 60.072429][ T4304] raw: 0000000000000004 ffff0000c84e6aa8 00000000ffffffff 0000000000000000 [ 60.073816][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.075013][ T4304] Modules linked in: [ 60.075677][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.077153][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.078781][ T4304] Call trace: [ 60.079331][ T4304] dump_backtrace+0x0/0x458 [ 60.080116][ T4304] show_stack+0x2c/0x3c [ 60.080787][ T4304] __dump_stack+0x30/0x40 [ 60.081561][ T4304] dump_stack_lvl+0xf4/0x15c [ 60.082412][ T4304] dump_stack+0x1c/0x5c [ 60.083105][ T4304] bad_page+0x188/0x1a8 [ 60.083752][ T4304] check_free_page_bad+0xf4/0x16c [ 60.084608][ T4304] free_unref_page_prepare+0x738/0xa84 [ 60.085462][ T4304] free_unref_page_list+0xdc/0x730 [ 60.086252][ T4304] release_pages+0x13bc/0x16dc [ 60.087055][ T4304] __pagevec_release+0x84/0xf8 [ 60.087813][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 60.088792][ T4304] truncate_inode_pages+0x2c/0x3c [ 60.089658][ T4304] dbUnmount+0xf4/0x168 [ 60.090387][ T4304] jfs_umount+0x1c4/0x328 [ 60.091095][ T4304] jfs_put_super+0x90/0x188 [ 60.091912][ T4304] generic_shutdown_super+0x130/0x2f0 [ 60.092832][ T4304] kill_block_super+0x70/0xdc [ 60.093592][ T4304] deactivate_locked_super+0xb8/0x134 [ 60.094638][ T4304] deactivate_super+0xf0/0x110 [ 60.095373][ T4304] cleanup_mnt+0x3b8/0x46c [ 60.096122][ T4304] __cleanup_mnt+0x20/0x30 [ 60.096834][ T4304] task_work_run+0x12c/0x1d8 [ 60.097615][ T4304] do_notify_resume+0x2450/0x309c [ 60.098425][ T4304] el0_svc+0xf0/0x1d0 [ 60.099083][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 60.099832][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 60.265842][ T4677] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.265842][ T4677] [ 60.267405][ T4677] JFS: sb_issue_discard(00000000f95556cc, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.269618][ T4677] blkno = 8000000000400, nblocks = 400 [ 60.270498][ T4677] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.270498][ T4677] [ 60.276328][ T4304] BUG: Bad page state in process syz-executor.0 pfn:109a0e [ 60.277569][ T4304] page:00000000dd0ef732 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109a0e [ 60.279331][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.281273][ T4304] raw: 05ffc00000002006 fffffc000329ee08 ffff80001f2f75c0 0000000000000000 [ 60.282717][ T4304] raw: 0000000000000004 ffff0000d6443aa8 00000000ffffffff 0000000000000000 [ 60.284212][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.285471][ T4304] Modules linked in: [ 60.286187][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.287675][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.289405][ T4304] Call trace: [ 60.289918][ T4304] dump_backtrace+0x0/0x458 [ 60.290720][ T4304] show_stack+0x2c/0x3c [ 60.291470][ T4304] __dump_stack+0x30/0x40 [ 60.292242][ T4304] dump_stack_lvl+0xf4/0x15c [ 60.293061][ T4304] dump_stack+0x1c/0x5c [ 60.293875][ T4304] bad_page+0x188/0x1a8 [ 60.294622][ T4304] check_free_page_bad+0xf4/0x16c [ 60.295589][ T4304] free_unref_page_prepare+0x738/0xa84 [ 60.296543][ T4304] free_unref_page_list+0xdc/0x730 [ 60.297436][ T4304] release_pages+0x13bc/0x16dc [ 60.298315][ T4304] __pagevec_release+0x84/0xf8 [ 60.299126][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 60.300181][ T4304] truncate_inode_pages+0x2c/0x3c [ 60.301028][ T4304] dbUnmount+0xf4/0x168 [ 60.301786][ T4304] jfs_umount+0x1c4/0x328 [ 60.302543][ T4304] jfs_put_super+0x90/0x188 [ 60.303310][ T4304] generic_shutdown_super+0x130/0x2f0 [ 60.304319][ T4304] kill_block_super+0x70/0xdc [ 60.305112][ T4304] deactivate_locked_super+0xb8/0x134 [ 60.306110][ T4304] deactivate_super+0xf0/0x110 [ 60.306934][ T4304] cleanup_mnt+0x3b8/0x46c [ 60.307724][ T4304] __cleanup_mnt+0x20/0x30 [ 60.308435][ T4304] task_work_run+0x12c/0x1d8 [ 60.309257][ T4304] do_notify_resume+0x2450/0x309c [ 60.310173][ T4304] el0_svc+0xf0/0x1d0 [ 60.310836][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 60.311731][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 60.466513][ T4679] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.466513][ T4679] [ 60.467929][ T4679] JFS: sb_issue_discard(00000000ce0bd093, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.469674][ T4679] blkno = 8000000000400, nblocks = 400 [ 60.470691][ T4679] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.470691][ T4679] [ 60.475754][ T4304] BUG: Bad page state in process syz-executor.0 pfn:109851 [ 60.476956][ T4304] page:00000000dfe7714b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109851 [ 60.478739][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.481199][ T4304] raw: 05ffc00000002006 fffffc000306d088 ffff80001f2f75c0 0000000000000000 [ 60.482815][ T4304] raw: 0000000000000004 ffff0000d27e25d0 00000000ffffffff 0000000000000000 [ 60.484106][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.485328][ T4304] Modules linked in: [ 60.485969][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.487486][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.489192][ T4304] Call trace: [ 60.489715][ T4304] dump_backtrace+0x0/0x458 [ 60.490536][ T4304] show_stack+0x2c/0x3c [ 60.491316][ T4304] __dump_stack+0x30/0x40 [ 60.491983][ T4304] dump_stack_lvl+0xf4/0x15c [ 60.492772][ T4304] dump_stack+0x1c/0x5c [ 60.493505][ T4304] bad_page+0x188/0x1a8 [ 60.494209][ T4304] check_free_page_bad+0xf4/0x16c [ 60.495059][ T4304] free_unref_page_prepare+0x738/0xa84 [ 60.496026][ T4304] free_unref_page_list+0xdc/0x730 [ 60.496909][ T4304] release_pages+0x13bc/0x16dc [ 60.497718][ T4304] __pagevec_release+0x84/0xf8 [ 60.498513][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 60.499531][ T4304] truncate_inode_pages+0x2c/0x3c [ 60.500310][ T4304] dbUnmount+0xf4/0x168 [ 60.501013][ T4304] jfs_umount+0x1c4/0x328 [ 60.501682][ T4304] jfs_put_super+0x90/0x188 [ 60.502415][ T4304] generic_shutdown_super+0x130/0x2f0 [ 60.503325][ T4304] kill_block_super+0x70/0xdc [ 60.504164][ T4304] deactivate_locked_super+0xb8/0x134 [ 60.505105][ T4304] deactivate_super+0xf0/0x110 [ 60.505977][ T4304] cleanup_mnt+0x3b8/0x46c [ 60.506717][ T4304] __cleanup_mnt+0x20/0x30 [ 60.507466][ T4304] task_work_run+0x12c/0x1d8 [ 60.508182][ T4304] do_notify_resume+0x2450/0x309c [ 60.509125][ T4304] el0_svc+0xf0/0x1d0 [ 60.509809][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 60.510663][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 60.659193][ T4681] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.659193][ T4681] [ 60.660606][ T4681] JFS: sb_issue_discard(000000002941de63, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.662304][ T4681] blkno = 8000000000400, nblocks = 400 [ 60.663181][ T4681] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.663181][ T4681] [ 60.668272][ T4304] BUG: Bad page state in process syz-executor.0 pfn:112715 [ 60.669447][ T4304] page:00000000a5f6b0e4 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112715 [ 60.671659][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.673273][ T4304] raw: 05ffc00000002006 fffffc0003226e48 ffff80001f2f75c0 0000000000000000 [ 60.674650][ T4304] raw: 0000000000000004 ffff0000c0bae0f8 00000000ffffffff 0000000000000000 [ 60.676159][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.677429][ T4304] Modules linked in: [ 60.678117][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.679615][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.681320][ T4304] Call trace: [ 60.681889][ T4304] dump_backtrace+0x0/0x458 [ 60.682714][ T4304] show_stack+0x2c/0x3c [ 60.683446][ T4304] __dump_stack+0x30/0x40 [ 60.684216][ T4304] dump_stack_lvl+0xf4/0x15c [ 60.684977][ T4304] dump_stack+0x1c/0x5c [ 60.685644][ T4304] bad_page+0x188/0x1a8 [ 60.686377][ T4304] check_free_page_bad+0xf4/0x16c [ 60.687235][ T4304] free_unref_page_prepare+0x738/0xa84 [ 60.688151][ T4304] free_unref_page_list+0xdc/0x730 [ 60.689057][ T4304] release_pages+0x13bc/0x16dc [ 60.689857][ T4304] __pagevec_release+0x84/0xf8 [ 60.690649][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 60.691636][ T4304] truncate_inode_pages+0x2c/0x3c [ 60.692521][ T4304] dbUnmount+0xf4/0x168 [ 60.693237][ T4304] jfs_umount+0x1c4/0x328 [ 60.693973][ T4304] jfs_put_super+0x90/0x188 [ 60.694734][ T4304] generic_shutdown_super+0x130/0x2f0 [ 60.695643][ T4304] kill_block_super+0x70/0xdc [ 60.696400][ T4304] deactivate_locked_super+0xb8/0x134 [ 60.697378][ T4304] deactivate_super+0xf0/0x110 [ 60.698207][ T4304] cleanup_mnt+0x3b8/0x46c [ 60.699097][ T4304] __cleanup_mnt+0x20/0x30 [ 60.699810][ T4304] task_work_run+0x12c/0x1d8 [ 60.700628][ T4304] do_notify_resume+0x2450/0x309c [ 60.701511][ T4304] el0_svc+0xf0/0x1d0 [ 60.702254][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 60.703129][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 60.903456][ T4683] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.903456][ T4683] [ 60.904974][ T4683] JFS: sb_issue_discard(00000000d6b325eb, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.906782][ T4683] blkno = 8000000000400, nblocks = 400 [ 60.907786][ T4683] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.907786][ T4683] [ 60.913106][ T4304] BUG: Bad page state in process syz-executor.0 pfn:111ac5 [ 60.914315][ T4304] page:000000004e21392d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111ac5 [ 60.916043][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.917588][ T4304] raw: 05ffc00000002006 fffffc00034550c8 ffff80001f2f75c0 0000000000000000 [ 60.919115][ T4304] raw: 0000000000000004 ffff0000c8770d90 00000000ffffffff 0000000000000000 [ 60.920894][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.922027][ T4304] Modules linked in: [ 60.922690][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.924129][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.925855][ T4304] Call trace: [ 60.926383][ T4304] dump_backtrace+0x0/0x458 [ 60.927082][ T4304] show_stack+0x2c/0x3c [ 60.927761][ T4304] __dump_stack+0x30/0x40 [ 60.928483][ T4304] dump_stack_lvl+0xf4/0x15c [ 60.929309][ T4304] dump_stack+0x1c/0x5c [ 60.930000][ T4304] bad_page+0x188/0x1a8 [ 60.930768][ T4304] check_free_page_bad+0xf4/0x16c [ 60.931646][ T4304] free_unref_page_prepare+0x738/0xa84 [ 60.932575][ T4304] free_unref_page_list+0xdc/0x730 [ 60.933421][ T4304] release_pages+0x13bc/0x16dc [ 60.934238][ T4304] __pagevec_release+0x84/0xf8 [ 60.935103][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 60.936137][ T4304] truncate_inode_pages+0x2c/0x3c [ 60.937021][ T4304] dbUnmount+0xf4/0x168 [ 60.937708][ T4304] jfs_umount+0x1c4/0x328 [ 60.938410][ T4304] jfs_put_super+0x90/0x188 [ 60.939191][ T4304] generic_shutdown_super+0x130/0x2f0 [ 60.940160][ T4304] kill_block_super+0x70/0xdc [ 60.940942][ T4304] deactivate_locked_super+0xb8/0x134 [ 60.941848][ T4304] deactivate_super+0xf0/0x110 [ 60.942661][ T4304] cleanup_mnt+0x3b8/0x46c [ 60.943361][ T4304] __cleanup_mnt+0x20/0x30 [ 60.944120][ T4304] task_work_run+0x12c/0x1d8 [ 60.944941][ T4304] do_notify_resume+0x2450/0x309c [ 60.945820][ T4304] el0_svc+0xf0/0x1d0 [ 60.946462][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 60.947299][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 61.124867][ T4685] ERROR: (device loop0): dbDiscardAG: -EIO [ 61.124867][ T4685] [ 61.126275][ T4685] JFS: sb_issue_discard(00000000fd7fbdd7, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 61.128143][ T4685] blkno = 8000000000400, nblocks = 400 [ 61.129029][ T4685] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 61.129029][ T4685] 1970/01/01 00:01:01 executed programs: 40 [ 61.134564][ T4304] BUG: Bad page state in process syz-executor.0 pfn:1091bf [ 61.135743][ T4304] page:000000006aaeb904 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1091bf [ 61.137487][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 61.139122][ T4304] raw: 05ffc00000002006 fffffc0003467d88 ffff80001f2f75c0 0000000000000000 [ 61.141163][ T4304] raw: 0000000000000004 ffff0000c0baeba0 00000000ffffffff 0000000000000000 [ 61.142609][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 61.143943][ T4304] Modules linked in: [ 61.144601][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 61.146057][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.147788][ T4304] Call trace: [ 61.148322][ T4304] dump_backtrace+0x0/0x458 [ 61.149159][ T4304] show_stack+0x2c/0x3c [ 61.149819][ T4304] __dump_stack+0x30/0x40 [ 61.150587][ T4304] dump_stack_lvl+0xf4/0x15c [ 61.151346][ T4304] dump_stack+0x1c/0x5c [ 61.152033][ T4304] bad_page+0x188/0x1a8 [ 61.152750][ T4304] check_free_page_bad+0xf4/0x16c [ 61.153610][ T4304] free_unref_page_prepare+0x738/0xa84 [ 61.154550][ T4304] free_unref_page_list+0xdc/0x730 [ 61.155468][ T4304] release_pages+0x13bc/0x16dc [ 61.156333][ T4304] __pagevec_release+0x84/0xf8 [ 61.157159][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 61.158104][ T4304] truncate_inode_pages+0x2c/0x3c [ 61.158915][ T4304] dbUnmount+0xf4/0x168 [ 61.159655][ T4304] jfs_umount+0x1c4/0x328 [ 61.160354][ T4304] jfs_put_super+0x90/0x188 [ 61.161176][ T4304] generic_shutdown_super+0x130/0x2f0 [ 61.162182][ T4304] kill_block_super+0x70/0xdc [ 61.162980][ T4304] deactivate_locked_super+0xb8/0x134 [ 61.163847][ T4304] deactivate_super+0xf0/0x110 [ 61.164680][ T4304] cleanup_mnt+0x3b8/0x46c [ 61.165482][ T4304] __cleanup_mnt+0x20/0x30 [ 61.166252][ T4304] task_work_run+0x12c/0x1d8 [ 61.166998][ T4304] do_notify_resume+0x2450/0x309c [ 61.167779][ T4304] el0_svc+0xf0/0x1d0 [ 61.168492][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 61.169392][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 61.325628][ T4687] ERROR: (device loop0): dbDiscardAG: -EIO [ 61.325628][ T4687] [ 61.327005][ T4687] JFS: sb_issue_discard(000000004c552fbc, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 61.328760][ T4687] blkno = 8000000000400, nblocks = 400 [ 61.329679][ T4687] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 61.329679][ T4687] [ 61.334689][ T4304] BUG: Bad page state in process syz-executor.0 pfn:111a16 [ 61.335962][ T4304] page:00000000658cc283 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111a16 [ 61.337722][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 61.339373][ T4304] raw: 05ffc00000002006 fffffc000321ed88 ffff80001f2f75c0 0000000000000000 [ 61.341288][ T4304] raw: 0000000000000004 ffff0000cb8d37c0 00000000ffffffff 0000000000000000 [ 61.342690][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 61.343860][ T4304] Modules linked in: [ 61.344470][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 61.346043][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.347691][ T4304] Call trace: [ 61.348198][ T4304] dump_backtrace+0x0/0x458 [ 61.349016][ T4304] show_stack+0x2c/0x3c [ 61.349756][ T4304] __dump_stack+0x30/0x40 [ 61.350532][ T4304] dump_stack_lvl+0xf4/0x15c [ 61.351303][ T4304] dump_stack+0x1c/0x5c [ 61.351975][ T4304] bad_page+0x188/0x1a8 [ 61.352683][ T4304] check_free_page_bad+0xf4/0x16c [ 61.353476][ T4304] free_unref_page_prepare+0x738/0xa84 [ 61.354400][ T4304] free_unref_page_list+0xdc/0x730 [ 61.355287][ T4304] release_pages+0x13bc/0x16dc [ 61.356103][ T4304] __pagevec_release+0x84/0xf8 [ 61.356909][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 61.357875][ T4304] truncate_inode_pages+0x2c/0x3c [ 61.358733][ T4304] dbUnmount+0xf4/0x168 [ 61.359480][ T4304] jfs_umount+0x1c4/0x328 [ 61.360145][ T4304] jfs_put_super+0x90/0x188 [ 61.360880][ T4304] generic_shutdown_super+0x130/0x2f0 [ 61.361839][ T4304] kill_block_super+0x70/0xdc [ 61.362641][ T4304] deactivate_locked_super+0xb8/0x134 [ 61.363557][ T4304] deactivate_super+0xf0/0x110 [ 61.364321][ T4304] cleanup_mnt+0x3b8/0x46c [ 61.365018][ T4304] __cleanup_mnt+0x20/0x30 [ 61.365805][ T4304] task_work_run+0x12c/0x1d8 [ 61.366539][ T4304] do_notify_resume+0x2450/0x309c [ 61.367345][ T4304] el0_svc+0xf0/0x1d0 [ 61.368011][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 61.368885][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 61.544343][ T4689] ERROR: (device loop0): dbDiscardAG: -EIO [ 61.544343][ T4689] [ 61.545812][ T4689] JFS: sb_issue_discard(00000000fabbd3ad, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 61.547624][ T4689] blkno = 8000000000400, nblocks = 400 [ 61.548590][ T4689] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 61.548590][ T4689] [ 61.553469][ T4304] BUG: Bad page state in process syz-executor.0 pfn:1119a9 [ 61.554645][ T4304] page:0000000097b8bde5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1119a9 [ 61.556373][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 61.557881][ T4304] raw: 05ffc00000002006 fffffc000323cd08 ffff80001f2f75c0 0000000000000000 [ 61.559405][ T4304] raw: 0000000000000004 ffff0000d9b9bba0 00000000ffffffff 0000000000000000 [ 61.561312][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 61.562397][ T4304] Modules linked in: [ 61.563083][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 61.564609][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.566329][ T4304] Call trace: [ 61.566847][ T4304] dump_backtrace+0x0/0x458 [ 61.567552][ T4304] show_stack+0x2c/0x3c [ 61.568215][ T4304] __dump_stack+0x30/0x40 [ 61.568842][ T4304] dump_stack_lvl+0xf4/0x15c [ 61.569496][ T4304] dump_stack+0x1c/0x5c [ 61.570174][ T4304] bad_page+0x188/0x1a8 [ 61.570849][ T4304] check_free_page_bad+0xf4/0x16c [ 61.571607][ T4304] free_unref_page_prepare+0x738/0xa84 [ 61.572439][ T4304] free_unref_page_list+0xdc/0x730 [ 61.573261][ T4304] release_pages+0x13bc/0x16dc [ 61.574109][ T4304] __pagevec_release+0x84/0xf8 [ 61.574919][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 61.575936][ T4304] truncate_inode_pages+0x2c/0x3c [ 61.576795][ T4304] dbUnmount+0xf4/0x168 [ 61.577466][ T4304] jfs_umount+0x1c4/0x328 [ 61.578123][ T4304] jfs_put_super+0x90/0x188 [ 61.578882][ T4304] generic_shutdown_super+0x130/0x2f0 [ 61.579780][ T4304] kill_block_super+0x70/0xdc [ 61.580626][ T4304] deactivate_locked_super+0xb8/0x134 [ 61.581561][ T4304] deactivate_super+0xf0/0x110 [ 61.582376][ T4304] cleanup_mnt+0x3b8/0x46c [ 61.583137][ T4304] __cleanup_mnt+0x20/0x30 [ 61.583845][ T4304] task_work_run+0x12c/0x1d8 [ 61.584535][ T4304] do_notify_resume+0x2450/0x309c [ 61.585333][ T4304] el0_svc+0xf0/0x1d0 [ 61.586001][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 61.586832][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 61.782335][ T4691] ERROR: (device loop0): dbDiscardAG: -EIO [ 61.782335][ T4691] [ 61.786146][ T4691] JFS: sb_issue_discard(00000000fa2bf66a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 61.787991][ T4691] blkno = 8000000000400, nblocks = 400 [ 61.788991][ T4691] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 61.788991][ T4691] [ 61.793374][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10e2ad [ 61.794574][ T4304] page:00000000f54abc80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10e2ad [ 61.796388][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 61.798108][ T4304] raw: 05ffc00000002006 fffffc0003474448 ffff80001f2f75c0 0000000000000000 [ 61.799628][ T4304] raw: 0000000000000004 ffff0000d2d158b8 00000000ffffffff 0000000000000000 [ 61.801512][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 61.802719][ T4304] Modules linked in: [ 61.803373][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 61.804886][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.806577][ T4304] Call trace: [ 61.807099][ T4304] dump_backtrace+0x0/0x458 [ 61.807833][ T4304] show_stack+0x2c/0x3c [ 61.808526][ T4304] __dump_stack+0x30/0x40 [ 61.809281][ T4304] dump_stack_lvl+0xf4/0x15c [ 61.810115][ T4304] dump_stack+0x1c/0x5c [ 61.810848][ T4304] bad_page+0x188/0x1a8 [ 61.811560][ T4304] check_free_page_bad+0xf4/0x16c [ 61.812414][ T4304] free_unref_page_prepare+0x738/0xa84 [ 61.813345][ T4304] free_unref_page_list+0xdc/0x730 [ 61.814156][ T4304] release_pages+0x13bc/0x16dc [ 61.814916][ T4304] __pagevec_release+0x84/0xf8 [ 61.815750][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 61.816760][ T4304] truncate_inode_pages+0x2c/0x3c [ 61.817647][ T4304] dbUnmount+0xf4/0x168 [ 61.818330][ T4304] jfs_umount+0x1c4/0x328 [ 61.819083][ T4304] jfs_put_super+0x90/0x188 [ 61.819893][ T4304] generic_shutdown_super+0x130/0x2f0 [ 61.820871][ T4304] kill_block_super+0x70/0xdc [ 61.821645][ T4304] deactivate_locked_super+0xb8/0x134 [ 61.822525][ T4304] deactivate_super+0xf0/0x110 [ 61.823347][ T4304] cleanup_mnt+0x3b8/0x46c [ 61.824143][ T4304] __cleanup_mnt+0x20/0x30 [ 61.824934][ T4304] task_work_run+0x12c/0x1d8 [ 61.825706][ T4304] do_notify_resume+0x2450/0x309c [ 61.826488][ T4304] el0_svc+0xf0/0x1d0 [ 61.827169][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 61.828060][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 61.985863][ T4693] ERROR: (device loop0): dbDiscardAG: -EIO [ 61.985863][ T4693] [ 61.987354][ T4693] JFS: sb_issue_discard(0000000092a28fd5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 61.989060][ T4693] blkno = 8000000000400, nblocks = 400 [ 61.989948][ T4693] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 61.989948][ T4693] [ 61.994340][ T4304] BUG: Bad page state in process syz-executor.0 pfn:1114b0 [ 61.995523][ T4304] page:00000000a9f44865 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1114b0 [ 61.997171][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 61.998790][ T4304] raw: 05ffc00000002006 fffffc00032e2908 ffff80001f2f75c0 0000000000000000 [ 62.000191][ T4304] raw: 0000000000000004 ffff0000cd3c53e0 00000000ffffffff 0000000000000000 [ 62.002144][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 62.003218][ T4304] Modules linked in: [ 62.003922][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 62.005397][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.006968][ T4304] Call trace: [ 62.007526][ T4304] dump_backtrace+0x0/0x458 [ 62.008263][ T4304] show_stack+0x2c/0x3c [ 62.008960][ T4304] __dump_stack+0x30/0x40 [ 62.009701][ T4304] dump_stack_lvl+0xf4/0x15c [ 62.010377][ T4304] dump_stack+0x1c/0x5c [ 62.011103][ T4304] bad_page+0x188/0x1a8 [ 62.011833][ T4304] check_free_page_bad+0xf4/0x16c [ 62.012724][ T4304] free_unref_page_prepare+0x738/0xa84 [ 62.013568][ T4304] free_unref_page_list+0xdc/0x730 [ 62.014396][ T4304] release_pages+0x13bc/0x16dc [ 62.015212][ T4304] __pagevec_release+0x84/0xf8 [ 62.016039][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 62.017035][ T4304] truncate_inode_pages+0x2c/0x3c [ 62.017887][ T4304] dbUnmount+0xf4/0x168 [ 62.018585][ T4304] jfs_umount+0x1c4/0x328 [ 62.019306][ T4304] jfs_put_super+0x90/0x188 [ 62.020028][ T4304] generic_shutdown_super+0x130/0x2f0 [ 62.020894][ T4304] kill_block_super+0x70/0xdc [ 62.021705][ T4304] deactivate_locked_super+0xb8/0x134 [ 62.022624][ T4304] deactivate_super+0xf0/0x110 [ 62.023426][ T4304] cleanup_mnt+0x3b8/0x46c [ 62.024178][ T4304] __cleanup_mnt+0x20/0x30 [ 62.024943][ T4304] task_work_run+0x12c/0x1d8 [ 62.025726][ T4304] do_notify_resume+0x2450/0x309c [ 62.026592][ T4304] el0_svc+0xf0/0x1d0 [ 62.027293][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 62.028136][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 62.222185][ T4695] ERROR: (device loop0): dbDiscardAG: -EIO [ 62.222185][ T4695] [ 62.223836][ T4695] JFS: sb_issue_discard(00000000c75593c5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 62.225583][ T4695] blkno = 8000000000400, nblocks = 400 [ 62.226497][ T4695] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 62.226497][ T4695] [ 62.230341][ T4304] BUG: Bad page state in process syz-executor.0 pfn:111d11 [ 62.231627][ T4304] page:00000000ce158219 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x111d11 [ 62.233408][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 62.235012][ T4304] raw: 05ffc00000002006 fffffc000339d308 ffff80001f2f75c0 0000000000000000 [ 62.236559][ T4304] raw: 0000000000000004 ffff0000cd3c5e88 00000000ffffffff 0000000000000000 [ 62.237998][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 62.239317][ T4304] Modules linked in: [ 62.240048][ T4304] CPU: 0 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 62.241679][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.243496][ T4304] Call trace: [ 62.244132][ T4304] dump_backtrace+0x0/0x458 [ 62.244923][ T4304] show_stack+0x2c/0x3c [ 62.245632][ T4304] __dump_stack+0x30/0x40 [ 62.246378][ T4304] dump_stack_lvl+0xf4/0x15c [ 62.247187][ T4304] dump_stack+0x1c/0x5c [ 62.247910][ T4304] bad_page+0x188/0x1a8 [ 62.248673][ T4304] check_free_page_bad+0xf4/0x16c [ 62.249523][ T4304] free_unref_page_prepare+0x738/0xa84 [ 62.250393][ T4304] free_unref_page_list+0xdc/0x730 [ 62.251290][ T4304] release_pages+0x13bc/0x16dc [ 62.252092][ T4304] __pagevec_release+0x84/0xf8 [ 62.252911][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 62.253876][ T4304] truncate_inode_pages+0x2c/0x3c [ 62.254735][ T4304] dbUnmount+0xf4/0x168 [ 62.255446][ T4304] jfs_umount+0x1c4/0x328 [ 62.256187][ T4304] jfs_put_super+0x90/0x188 [ 62.257018][ T4304] generic_shutdown_super+0x130/0x2f0 [ 62.257984][ T4304] kill_block_super+0x70/0xdc [ 62.258762][ T4304] deactivate_locked_super+0xb8/0x134 [ 62.259605][ T4304] deactivate_super+0xf0/0x110 [ 62.260413][ T4304] cleanup_mnt+0x3b8/0x46c [ 62.261177][ T4304] __cleanup_mnt+0x20/0x30 [ 62.261812][ T4304] task_work_run+0x12c/0x1d8 [ 62.262534][ T4304] do_notify_resume+0x2450/0x309c [ 62.263370][ T4304] el0_svc+0xf0/0x1d0 [ 62.264047][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 62.264864][ T4304] el0t_64_sync+0x1a0/0x1a4 [ 62.436148][ T4697] ERROR: (device loop0): dbDiscardAG: -EIO [ 62.436148][ T4697] [ 62.437678][ T4697] JFS: sb_issue_discard(0000000016ad76e4, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 62.439425][ T4697] blkno = 8000000000400, nblocks = 400 [ 62.440379][ T4697] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 62.440379][ T4697] [ 62.445073][ T4304] BUG: Bad page state in process syz-executor.0 pfn:10acd3 [ 62.446364][ T4304] page:000000001b03d11e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10acd3 [ 62.448289][ T4304] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 62.449972][ T4304] raw: 05ffc00000002006 fffffc0003249b08 ffff80001f2f75c0 0000000000000000 [ 62.451592][ T4304] raw: 0000000000000004 ffff0000cdfe27c0 00000000ffffffff 0000000000000000 [ 62.452962][ T4304] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 62.454144][ T4304] Modules linked in: [ 62.454803][ T4304] CPU: 1 PID: 4304 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 62.456204][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.457908][ T4304] Call trace: [ 62.458431][ T4304] dump_backtrace+0x0/0x458 [ 62.459231][ T4304] show_stack+0x2c/0x3c [ 62.459979][ T4304] __dump_stack+0x30/0x40 [ 62.460696][ T4304] dump_stack_lvl+0xf4/0x15c [ 62.461471][ T4304] dump_stack+0x1c/0x5c [ 62.462183][ T4304] bad_page+0x188/0x1a8 [ 62.462879][ T4304] check_free_page_bad+0xf4/0x16c [ 62.463745][ T4304] free_unref_page_prepare+0x738/0xa84 [ 62.464648][ T4304] free_unref_page_list+0xdc/0x730 [ 62.465492][ T4304] release_pages+0x13bc/0x16dc [ 62.466209][ T4304] __pagevec_release+0x84/0xf8 [ 62.467018][ T4304] truncate_inode_pages_range+0x2c8/0xa04 [ 62.467944][ T4304] truncate_inode_pages+0x2c/0x3c [ 62.468792][ T4304] dbUnmount+0xf4/0x168 [ 62.469424][ T4304] jfs_umount+0x1c4/0x328 [ 62.470146][ T4304] jfs_put_super+0x90/0x188 [ 62.470879][ T4304] generic_shutdown_super+0x130/0x2f0 [ 62.471790][ T4304] kill_block_super+0x70/0xdc [ 62.472594][ T4304] deactivate_locked_super+0xb8/0x134 [ 62.473476][ T4304] deactivate_super+0xf0/0x110 [ 62.474247][ T4304] cleanup_mnt+0x3b8/0x46c [ 62.474984][ T4304] __cleanup_mnt+0x20/0x30 [ 62.475626][ T4304] task_work_run+0x12c/0x1d8 [ 62.476332][ T4304] do_notify_resume+0x2450/0x309c [ 62.477136][ T4304] el0_svc+0xf0/0x1d0 [ 62.477786][ T4304] el0t_64_sync_handler+0xcc/0xe4 [ 62.478549][ T4304] el0t_64_sync+0x1a0/0x1a4