Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 ignoring optional flag "type"="gce" 1970/01/01 00:00:49 parsed 1 programs [ 49.795917][ T4287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:49 executed programs: 0 [ 49.865368][ T4294] chnl_net:caif_netlink_parms(): no params data found [ 49.884668][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.885866][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.887295][ T4294] device bridge_slave_0 entered promiscuous mode [ 49.889286][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.890441][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.891908][ T4294] device bridge_slave_1 entered promiscuous mode [ 49.900619][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.902921][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.910779][ T4294] team0: Port device team_slave_0 added [ 49.912527][ T4294] team0: Port device team_slave_1 added [ 49.919924][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.920964][ T4294] 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. [ 49.924913][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.927431][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.928339][ T4294] 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. [ 49.932264][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.994863][ T4294] device hsr_slave_0 entered promiscuous mode [ 50.053756][ T4294] device hsr_slave_1 entered promiscuous mode [ 50.634428][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.675842][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.714783][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.785363][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.841058][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.842321][ T4294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.843600][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.844720][ T4294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.868337][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.873057][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.876939][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.878514][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.880673][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.888512][ T4294] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.894038][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.895662][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.897131][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.898272][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.899876][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.901437][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.904100][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.905188][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.906526][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.913456][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.915402][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.917105][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.918583][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.920020][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.922164][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.926434][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.928113][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.931056][ T4294] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.933166][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.936066][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.937602][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.983412][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.986544][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.987771][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.997098][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.998802][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.006245][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.007759][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.009167][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.010447][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.013037][ T4294] device veth0_vlan entered promiscuous mode [ 51.019078][ T4294] device veth1_vlan entered promiscuous mode [ 51.027171][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.028607][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.030415][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.031852][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.036543][ T4294] device veth0_macvtap entered promiscuous mode [ 51.039022][ T4294] device veth1_macvtap entered promiscuous mode [ 51.045060][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.046242][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.048271][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.049588][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.051115][ T1685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.056163][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.057331][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.058753][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.061812][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.063067][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.065140][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.066456][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.214592][ T4413] loop0: detected capacity change from 0 to 32768 [ 51.264819][ T4413] ======================================================= [ 51.264819][ T4413] WARNING: The mand mount option has been deprecated and [ 51.264819][ T4413] and is ignored by this kernel. Remove the mand [ 51.264819][ T4413] option from the mount to silence this warning. [ 51.264819][ T4413] ======================================================= [ 51.293275][ T4413] ERROR: (device loop0): dbDiscardAG: -EIO [ 51.293275][ T4413] [ 51.295919][ T4413] attempt to access beyond end of device [ 51.295919][ T4413] loop0: rw=2051, want=18014398509498368, limit=32768 [ 51.299742][ T4413] JFS: sb_issue_discard(000000000605eb32, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 51.301616][ T4413] blkno = 8000000000400, nblocks = 400 [ 51.302459][ T4413] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 51.302459][ T4413] [ 51.324290][ T4294] BUG: Bad page state in process syz-executor.0 pfn:108508 [ 51.325366][ T4294] page:00000000010846c8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108508 [ 51.326988][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 51.328536][ T4294] raw: 05ffc00000002006 fffffc0003302cc8 ffff80001f1f75c0 0000000000000000 [ 51.329927][ T4294] raw: 0000000000000004 ffff0000d17179b0 00000000ffffffff 0000000000000000 [ 51.331252][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 51.332381][ T4294] Modules linked in: [ 51.332996][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.334281][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.335941][ T4294] Call trace: [ 51.336484][ T4294] dump_backtrace+0x0/0x458 [ 51.337237][ T4294] show_stack+0x2c/0x3c [ 51.337888][ T4294] __dump_stack+0x30/0x40 [ 51.338582][ T4294] dump_stack_lvl+0xf4/0x15c [ 51.339310][ T4294] dump_stack+0x1c/0x5c [ 51.339994][ T4294] bad_page+0x188/0x1a8 [ 51.340681][ T4294] check_free_page_bad+0xf4/0x16c [ 51.341506][ T4294] free_unref_page_prepare+0x738/0xa84 [ 51.342439][ T4294] free_unref_page_list+0xdc/0x730 [ 51.343332][ T4294] release_pages+0x13bc/0x16dc [ 51.344143][ T4294] __pagevec_release+0x84/0xf8 [ 51.344940][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 51.345847][ T4294] truncate_inode_pages+0x2c/0x3c [ 51.346656][ T4294] dbUnmount+0xf4/0x168 [ 51.347331][ T4294] jfs_umount+0x1c4/0x328 [ 51.347960][ T4294] jfs_put_super+0x90/0x188 [ 51.348648][ T4294] generic_shutdown_super+0x130/0x2f0 [ 51.349496][ T4294] kill_block_super+0x70/0xdc [ 51.350242][ T4294] deactivate_locked_super+0xb8/0x134 [ 51.351018][ T4294] deactivate_super+0xf0/0x110 [ 51.351730][ T4294] cleanup_mnt+0x3b8/0x46c [ 51.352436][ T4294] __cleanup_mnt+0x20/0x30 [ 51.353111][ T4294] task_work_run+0x12c/0x1d8 [ 51.353799][ T4294] do_notify_resume+0x2450/0x309c [ 51.354528][ T4294] el0_svc+0xf0/0x1d0 [ 51.355140][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 51.355903][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 51.360031][ T4294] Disabling lock debugging due to kernel taint [ 51.502463][ T4452] loop0: detected capacity change from 0 to 32768 [ 51.578174][ T4452] ERROR: (device loop0): dbDiscardAG: -EIO [ 51.578174][ T4452] [ 51.579512][ T4452] attempt to access beyond end of device [ 51.579512][ T4452] loop0: rw=2051, want=18014398509498368, limit=32768 [ 51.581467][ T4452] JFS: sb_issue_discard(000000009fb83468, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 51.583006][ T4452] blkno = 8000000000400, nblocks = 400 [ 51.589325][ T4452] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 51.589325][ T4452] [ 51.597565][ T4294] BUG: Bad page state in process syz-executor.0 pfn:119d6c [ 51.598835][ T4294] page:00000000833fb004 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x119d6c [ 51.600359][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 51.601921][ T4294] raw: 05ffc00000002006 fffffc0003900508 ffff80001f1f75c0 0000000000000000 [ 51.603277][ T4294] raw: 0000000000000004 ffff0000e40104d8 00000000ffffffff 0000000000000000 [ 51.606484][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 51.607576][ T4294] Modules linked in: [ 51.608173][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 51.609481][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.611133][ T4294] Call trace: [ 51.611633][ T4294] dump_backtrace+0x0/0x458 [ 51.612298][ T4294] show_stack+0x2c/0x3c [ 51.612954][ T4294] __dump_stack+0x30/0x40 [ 51.613576][ T4294] dump_stack_lvl+0xf4/0x15c [ 51.614301][ T4294] dump_stack+0x1c/0x5c [ 51.614929][ T4294] bad_page+0x188/0x1a8 [ 51.615593][ T4294] check_free_page_bad+0xf4/0x16c [ 51.616406][ T4294] free_unref_page_prepare+0x738/0xa84 [ 51.617326][ T4294] free_unref_page_list+0xdc/0x730 [ 51.618146][ T4294] release_pages+0x13bc/0x16dc [ 51.618960][ T4294] __pagevec_release+0x84/0xf8 [ 51.619720][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 51.620616][ T4294] truncate_inode_pages+0x2c/0x3c [ 51.621403][ T4294] dbUnmount+0xf4/0x168 [ 51.622049][ T4294] jfs_umount+0x1c4/0x328 [ 51.622721][ T4294] jfs_put_super+0x90/0x188 [ 51.623431][ T4294] generic_shutdown_super+0x130/0x2f0 [ 51.624223][ T4294] kill_block_super+0x70/0xdc [ 51.624978][ T4294] deactivate_locked_super+0xb8/0x134 [ 51.625787][ T4294] deactivate_super+0xf0/0x110 [ 51.626536][ T4294] cleanup_mnt+0x3b8/0x46c [ 51.627192][ T4294] __cleanup_mnt+0x20/0x30 [ 51.627853][ T4294] task_work_run+0x12c/0x1d8 [ 51.628537][ T4294] do_notify_resume+0x2450/0x309c [ 51.629292][ T4294] el0_svc+0xf0/0x1d0 [ 51.629878][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 51.630707][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 51.802032][ T4496] loop0: detected capacity change from 0 to 32768 [ 51.853838][ T4382] Bluetooth: hci0: command 0x0409 tx timeout [ 51.868368][ T4496] ERROR: (device loop0): dbDiscardAG: -EIO [ 51.868368][ T4496] [ 51.869769][ T4496] attempt to access beyond end of device [ 51.869769][ T4496] loop0: rw=2051, want=18014398509498368, limit=32768 [ 51.871829][ T4496] JFS: sb_issue_discard(00000000b0e4363d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 51.874028][ T4496] blkno = 8000000000400, nblocks = 400 [ 51.874935][ T4496] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 51.874935][ T4496] [ 51.880364][ T4294] BUG: Bad page state in process syz-executor.0 pfn:108e8b [ 51.881602][ T4294] page:0000000078deb338 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108e8b [ 51.883165][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 51.885485][ T4294] raw: 05ffc00000002006 fffffc00032fed48 ffff80001f1f75c0 0000000000000000 [ 51.886853][ T4294] raw: 0000000000000004 ffff0000da9499b0 00000000ffffffff 0000000000000000 [ 51.888258][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 51.889506][ T4294] Modules linked in: [ 51.890233][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 51.891466][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.893006][ T4294] Call trace: [ 51.893484][ T4294] dump_backtrace+0x0/0x458 [ 51.894185][ T4294] show_stack+0x2c/0x3c [ 51.894788][ T4294] __dump_stack+0x30/0x40 [ 51.895469][ T4294] dump_stack_lvl+0xf4/0x15c [ 51.896157][ T4294] dump_stack+0x1c/0x5c [ 51.896821][ T4294] bad_page+0x188/0x1a8 [ 51.897486][ T4294] check_free_page_bad+0xf4/0x16c [ 51.898260][ T4294] free_unref_page_prepare+0x738/0xa84 [ 51.899082][ T4294] free_unref_page_list+0xdc/0x730 [ 51.899843][ T4294] release_pages+0x13bc/0x16dc [ 51.900553][ T4294] __pagevec_release+0x84/0xf8 [ 51.901217][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 51.902126][ T4294] truncate_inode_pages+0x2c/0x3c [ 51.902893][ T4294] dbUnmount+0xf4/0x168 [ 51.903503][ T4294] jfs_umount+0x1c4/0x328 [ 51.904213][ T4294] jfs_put_super+0x90/0x188 [ 51.904942][ T4294] generic_shutdown_super+0x130/0x2f0 [ 51.905840][ T4294] kill_block_super+0x70/0xdc [ 51.906595][ T4294] deactivate_locked_super+0xb8/0x134 [ 51.907427][ T4294] deactivate_super+0xf0/0x110 [ 51.908193][ T4294] cleanup_mnt+0x3b8/0x46c [ 51.908911][ T4294] __cleanup_mnt+0x20/0x30 [ 51.909627][ T4294] task_work_run+0x12c/0x1d8 [ 51.910341][ T4294] do_notify_resume+0x2450/0x309c [ 51.911196][ T4294] el0_svc+0xf0/0x1d0 [ 51.911820][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 51.912705][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 52.051548][ T4530] loop0: detected capacity change from 0 to 32768 [ 52.071267][ T4530] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.071267][ T4530] [ 52.072584][ T4530] attempt to access beyond end of device [ 52.072584][ T4530] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.079262][ T4530] JFS: sb_issue_discard(000000004cfd369f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.080886][ T4530] blkno = 8000000000400, nblocks = 400 [ 52.081716][ T4530] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.081716][ T4530] [ 52.099244][ T4294] BUG: Bad page state in process syz-executor.0 pfn:112230 [ 52.100406][ T4294] page:0000000030b1301c refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112230 [ 52.101943][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 52.103467][ T4294] raw: 05ffc00000002006 fffffc0003675c08 ffff80001f1f75c0 0000000000000000 [ 52.106687][ T4294] raw: 0000000000000004 ffff0000d2c81000 00000000ffffffff 0000000000000000 [ 52.108046][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 52.109117][ T4294] Modules linked in: [ 52.109670][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 52.111025][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.112567][ T4294] Call trace: [ 52.113062][ T4294] dump_backtrace+0x0/0x458 [ 52.113759][ T4294] show_stack+0x2c/0x3c [ 52.114389][ T4294] __dump_stack+0x30/0x40 [ 52.115080][ T4294] dump_stack_lvl+0xf4/0x15c [ 52.115818][ T4294] dump_stack+0x1c/0x5c [ 52.116424][ T4294] bad_page+0x188/0x1a8 [ 52.117042][ T4294] check_free_page_bad+0xf4/0x16c [ 52.117772][ T4294] free_unref_page_prepare+0x738/0xa84 [ 52.118585][ T4294] free_unref_page_list+0xdc/0x730 [ 52.119373][ T4294] release_pages+0x13bc/0x16dc [ 52.120170][ T4294] __pagevec_release+0x84/0xf8 [ 52.120949][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 52.121811][ T4294] truncate_inode_pages+0x2c/0x3c [ 52.122564][ T4294] dbUnmount+0xf4/0x168 [ 52.123118][ T4294] jfs_umount+0x1c4/0x328 [ 52.123686][ T4294] jfs_put_super+0x90/0x188 [ 52.124283][ T4294] generic_shutdown_super+0x130/0x2f0 [ 52.125028][ T4294] kill_block_super+0x70/0xdc [ 52.125647][ T4294] deactivate_locked_super+0xb8/0x134 [ 52.126388][ T4294] deactivate_super+0xf0/0x110 [ 52.127070][ T4294] cleanup_mnt+0x3b8/0x46c [ 52.127658][ T4294] __cleanup_mnt+0x20/0x30 [ 52.128260][ T4294] task_work_run+0x12c/0x1d8 [ 52.128896][ T4294] do_notify_resume+0x2450/0x309c [ 52.129616][ T4294] el0_svc+0xf0/0x1d0 [ 52.130169][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 52.130880][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 52.267312][ T4562] loop0: detected capacity change from 0 to 32768 [ 52.328608][ T4562] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.328608][ T4562] [ 52.329906][ T4562] attempt to access beyond end of device [ 52.329906][ T4562] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.331956][ T4562] JFS: sb_issue_discard(0000000012c76c16, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.334738][ T4562] blkno = 8000000000400, nblocks = 400 [ 52.335566][ T4562] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.335566][ T4562] [ 52.340093][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10e3a5 [ 52.341321][ T4294] page:000000000aa87d98 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10e3a5 [ 52.343013][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 52.353117][ T4294] raw: 05ffc00000002006 fffffc00036c2c48 ffff80001f1f75c0 0000000000000000 [ 52.355108][ T4294] raw: 0000000000000004 ffff0000cddda4d8 00000000ffffffff 0000000000000000 [ 52.356515][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 52.357644][ T4294] Modules linked in: [ 52.358291][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 52.359749][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.361294][ T4294] Call trace: [ 52.361829][ T4294] dump_backtrace+0x0/0x458 [ 52.362580][ T4294] show_stack+0x2c/0x3c [ 52.363241][ T4294] __dump_stack+0x30/0x40 [ 52.363923][ T4294] dump_stack_lvl+0xf4/0x15c [ 52.364704][ T4294] dump_stack+0x1c/0x5c [ 52.365417][ T4294] bad_page+0x188/0x1a8 [ 52.366106][ T4294] check_free_page_bad+0xf4/0x16c [ 52.366927][ T4294] free_unref_page_prepare+0x738/0xa84 [ 52.367838][ T4294] free_unref_page_list+0xdc/0x730 [ 52.368672][ T4294] release_pages+0x13bc/0x16dc [ 52.369466][ T4294] __pagevec_release+0x84/0xf8 [ 52.370231][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 52.371062][ T4294] truncate_inode_pages+0x2c/0x3c [ 52.371825][ T4294] dbUnmount+0xf4/0x168 [ 52.372511][ T4294] jfs_umount+0x1c4/0x328 [ 52.373202][ T4294] jfs_put_super+0x90/0x188 [ 52.373973][ T4294] generic_shutdown_super+0x130/0x2f0 [ 52.374906][ T4294] kill_block_super+0x70/0xdc [ 52.375707][ T4294] deactivate_locked_super+0xb8/0x134 [ 52.376635][ T4294] deactivate_super+0xf0/0x110 [ 52.377465][ T4294] cleanup_mnt+0x3b8/0x46c [ 52.378214][ T4294] __cleanup_mnt+0x20/0x30 [ 52.378990][ T4294] task_work_run+0x12c/0x1d8 [ 52.379752][ T4294] do_notify_resume+0x2450/0x309c [ 52.380557][ T4294] el0_svc+0xf0/0x1d0 [ 52.381224][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 52.382075][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 52.517037][ T4593] loop0: detected capacity change from 0 to 32768 [ 52.571408][ T4593] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.571408][ T4593] [ 52.572836][ T4593] attempt to access beyond end of device [ 52.572836][ T4593] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.575768][ T4593] JFS: sb_issue_discard(00000000dd5fb50a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.577288][ T4593] blkno = 8000000000400, nblocks = 400 [ 52.578172][ T4593] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.578172][ T4593] [ 52.591086][ T4294] BUG: Bad page state in process syz-executor.0 pfn:112f0a [ 52.592255][ T4294] page:00000000843aeff7 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112f0a [ 52.594042][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 52.595584][ T4294] raw: 05ffc00000002006 fffffc000336a008 ffff80001f1f75c0 0000000000000000 [ 52.596895][ T4294] raw: 0000000000000004 ffff0000d2c81aa8 00000000ffffffff 0000000000000000 [ 52.598276][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 52.599409][ T4294] Modules linked in: [ 52.600064][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 52.601479][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.602998][ T4294] Call trace: [ 52.603502][ T4294] dump_backtrace+0x0/0x458 [ 52.604219][ T4294] show_stack+0x2c/0x3c [ 52.604893][ T4294] __dump_stack+0x30/0x40 [ 52.605617][ T4294] dump_stack_lvl+0xf4/0x15c [ 52.606385][ T4294] dump_stack+0x1c/0x5c [ 52.607040][ T4294] bad_page+0x188/0x1a8 [ 52.607743][ T4294] check_free_page_bad+0xf4/0x16c [ 52.608566][ T4294] free_unref_page_prepare+0x738/0xa84 [ 52.609406][ T4294] free_unref_page_list+0xdc/0x730 [ 52.610222][ T4294] release_pages+0x13bc/0x16dc [ 52.610967][ T4294] __pagevec_release+0x84/0xf8 [ 52.611669][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 52.612527][ T4294] truncate_inode_pages+0x2c/0x3c [ 52.613285][ T4294] dbUnmount+0xf4/0x168 [ 52.613968][ T4294] jfs_umount+0x1c4/0x328 [ 52.614641][ T4294] jfs_put_super+0x90/0x188 [ 52.615372][ T4294] generic_shutdown_super+0x130/0x2f0 [ 52.616261][ T4294] kill_block_super+0x70/0xdc [ 52.617038][ T4294] deactivate_locked_super+0xb8/0x134 [ 52.617959][ T4294] deactivate_super+0xf0/0x110 [ 52.618716][ T4294] cleanup_mnt+0x3b8/0x46c [ 52.619459][ T4294] __cleanup_mnt+0x20/0x30 [ 52.620202][ T4294] task_work_run+0x12c/0x1d8 [ 52.620931][ T4294] do_notify_resume+0x2450/0x309c [ 52.621732][ T4294] el0_svc+0xf0/0x1d0 [ 52.622363][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 52.623163][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 52.767275][ T4595] loop0: detected capacity change from 0 to 32768 [ 52.819935][ T4595] ERROR: (device loop0): dbDiscardAG: -EIO [ 52.819935][ T4595] [ 52.821303][ T4595] attempt to access beyond end of device [ 52.821303][ T4595] loop0: rw=2051, want=18014398509498368, limit=32768 [ 52.823364][ T4595] JFS: sb_issue_discard(000000004d95612d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 52.825184][ T4595] blkno = 8000000000400, nblocks = 400 [ 52.826026][ T4595] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 52.826026][ T4595] [ 52.831325][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11314e [ 52.832528][ T4294] page:00000000938e3edb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11314e [ 52.834556][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 52.836365][ T4294] raw: 05ffc00000002006 fffffc0003218b48 ffff80001f1f75c0 0000000000000000 [ 52.837851][ T4294] raw: 0000000000000004 ffff0000d2ec15d0 00000000ffffffff 0000000000000000 [ 52.839133][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 52.840257][ T4294] Modules linked in: [ 52.840873][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 52.842248][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.843806][ T4294] Call trace: [ 52.844329][ T4294] dump_backtrace+0x0/0x458 [ 52.844991][ T4294] show_stack+0x2c/0x3c [ 52.845642][ T4294] __dump_stack+0x30/0x40 [ 52.846308][ T4294] dump_stack_lvl+0xf4/0x15c [ 52.847063][ T4294] dump_stack+0x1c/0x5c [ 52.847759][ T4294] bad_page+0x188/0x1a8 [ 52.848411][ T4294] check_free_page_bad+0xf4/0x16c [ 52.849239][ T4294] free_unref_page_prepare+0x738/0xa84 [ 52.850221][ T4294] free_unref_page_list+0xdc/0x730 [ 52.851083][ T4294] release_pages+0x13bc/0x16dc [ 52.851896][ T4294] __pagevec_release+0x84/0xf8 [ 52.852702][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 52.853620][ T4294] truncate_inode_pages+0x2c/0x3c [ 52.854399][ T4294] dbUnmount+0xf4/0x168 [ 52.855042][ T4294] jfs_umount+0x1c4/0x328 [ 52.855739][ T4294] jfs_put_super+0x90/0x188 [ 52.856485][ T4294] generic_shutdown_super+0x130/0x2f0 [ 52.857419][ T4294] kill_block_super+0x70/0xdc [ 52.858229][ T4294] deactivate_locked_super+0xb8/0x134 [ 52.859081][ T4294] deactivate_super+0xf0/0x110 [ 52.859856][ T4294] cleanup_mnt+0x3b8/0x46c [ 52.860635][ T4294] __cleanup_mnt+0x20/0x30 [ 52.861397][ T4294] task_work_run+0x12c/0x1d8 [ 52.862190][ T4294] do_notify_resume+0x2450/0x309c [ 52.862957][ T4294] el0_svc+0xf0/0x1d0 [ 52.863601][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 52.864458][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 53.008819][ T4597] loop0: detected capacity change from 0 to 32768 [ 53.050881][ T4597] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.050881][ T4597] [ 53.052184][ T4597] attempt to access beyond end of device [ 53.052184][ T4597] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.054889][ T4597] JFS: sb_issue_discard(000000005b130ef3, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.056553][ T4597] blkno = 8000000000400, nblocks = 400 [ 53.057362][ T4597] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.057362][ T4597] [ 53.062073][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11cd86 [ 53.063164][ T4294] page:000000000e184a72 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11cd86 [ 53.065420][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.066774][ T4294] raw: 05ffc00000002006 fffffc000327f5c8 ffff80001f1f75c0 0000000000000000 [ 53.068184][ T4294] raw: 0000000000000004 ffff0000d6ca80f8 00000000ffffffff 0000000000000000 [ 53.069591][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.070740][ T4294] Modules linked in: [ 53.071395][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.072844][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.074394][ T4294] Call trace: [ 53.074902][ T4294] dump_backtrace+0x0/0x458 [ 53.075623][ T4294] show_stack+0x2c/0x3c [ 53.076262][ T4294] __dump_stack+0x30/0x40 [ 53.076959][ T4294] dump_stack_lvl+0xf4/0x15c [ 53.077677][ T4294] dump_stack+0x1c/0x5c [ 53.078321][ T4294] bad_page+0x188/0x1a8 [ 53.078942][ T4294] check_free_page_bad+0xf4/0x16c [ 53.079728][ T4294] free_unref_page_prepare+0x738/0xa84 [ 53.080656][ T4294] free_unref_page_list+0xdc/0x730 [ 53.081460][ T4294] release_pages+0x13bc/0x16dc [ 53.082184][ T4294] __pagevec_release+0x84/0xf8 [ 53.083001][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 53.083984][ T4294] truncate_inode_pages+0x2c/0x3c [ 53.084793][ T4294] dbUnmount+0xf4/0x168 [ 53.085530][ T4294] jfs_umount+0x1c4/0x328 [ 53.086206][ T4294] jfs_put_super+0x90/0x188 [ 53.086938][ T4294] generic_shutdown_super+0x130/0x2f0 [ 53.087851][ T4294] kill_block_super+0x70/0xdc [ 53.088623][ T4294] deactivate_locked_super+0xb8/0x134 [ 53.089503][ T4294] deactivate_super+0xf0/0x110 [ 53.090268][ T4294] cleanup_mnt+0x3b8/0x46c [ 53.091014][ T4294] __cleanup_mnt+0x20/0x30 [ 53.091770][ T4294] task_work_run+0x12c/0x1d8 [ 53.092517][ T4294] do_notify_resume+0x2450/0x309c [ 53.093322][ T4294] el0_svc+0xf0/0x1d0 [ 53.093962][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 53.094780][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 53.218347][ T4599] loop0: detected capacity change from 0 to 32768 [ 53.270461][ T4599] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.270461][ T4599] [ 53.271823][ T4599] attempt to access beyond end of device [ 53.271823][ T4599] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.274114][ T4599] JFS: sb_issue_discard(00000000ec38e1c0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.275587][ T4599] blkno = 8000000000400, nblocks = 400 [ 53.276348][ T4599] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.276348][ T4599] [ 53.284164][ T4600] BUG: Bad page state in process syz-executor.0 pfn:10d065 [ 53.285251][ T4600] page:000000001a749335 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d065 [ 53.286840][ T4600] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.288311][ T4600] raw: 05ffc00000002006 fffffc00034b6008 ffff80001bfd7920 0000000000000000 [ 53.289659][ T4600] raw: 0000000000000004 ffff0000c1bcb000 00000000ffffffff 0000000000000000 [ 53.291047][ T4600] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.292151][ T4600] Modules linked in: [ 53.292806][ T4600] CPU: 0 PID: 4600 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.294211][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.295744][ T4600] Call trace: [ 53.296234][ T4600] dump_backtrace+0x0/0x458 [ 53.296950][ T4600] show_stack+0x2c/0x3c [ 53.297592][ T4600] __dump_stack+0x30/0x40 [ 53.298258][ T4600] dump_stack_lvl+0xf4/0x15c [ 53.298970][ T4600] dump_stack+0x1c/0x5c [ 53.299634][ T4600] bad_page+0x188/0x1a8 [ 53.300320][ T4600] check_free_page_bad+0xf4/0x16c [ 53.301110][ T4600] free_unref_page_prepare+0x738/0xa84 [ 53.301928][ T4600] free_unref_page_list+0xdc/0x730 [ 53.302698][ T4600] release_pages+0x13bc/0x16dc [ 53.303448][ T4600] __pagevec_lru_add+0x1280/0x1588 [ 53.304279][ T4600] lru_cache_add+0x470/0x6dc [ 53.305007][ T4600] lru_cache_add_inactive_or_unevictable+0x130/0x2f0 [ 53.306052][ T4600] handle_mm_fault+0x23a0/0x2a28 [ 53.306862][ T4600] do_page_fault+0x67c/0xab0 [ 53.307610][ T4600] do_translation_fault+0xe0/0x130 [ 53.308414][ T4600] do_mem_abort+0x6c/0x1ac [ 53.309090][ T4600] el0_da+0x90/0x1ec [ 53.309669][ T4600] el0t_64_sync_handler+0xd8/0xe4 [ 53.310468][ T4600] el0t_64_sync+0x1a0/0x1a4 [ 53.395254][ T4601] loop0: detected capacity change from 0 to 32768 [ 53.401894][ T4601] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.401894][ T4601] [ 53.403153][ T4601] attempt to access beyond end of device [ 53.403153][ T4601] loop0: rw=2051, want=18014398509498368, limit=32768 [ 53.405339][ T4601] JFS: sb_issue_discard(0000000034934622, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.406796][ T4601] blkno = 8000000000400, nblocks = 400 [ 53.407602][ T4601] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.407602][ T4601] [ 53.412327][ T4294] BUG: Bad page state in process syz-executor.0 pfn:107f1c [ 53.413472][ T4294] page:000000005e145f9f refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107f1c [ 53.416815][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.418280][ T4294] raw: 05ffc00000002006 fffffc00034b6008 ffff80001f1f75c0 0000000000000000 [ 53.419665][ T4294] raw: 0000000000000004 ffff0000c1bcbaa8 00000000ffffffff 0000000000000000 [ 53.420906][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.422024][ T4294] Modules linked in: [ 53.422604][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.423997][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.425671][ T4294] Call trace: [ 53.426147][ T4294] dump_backtrace+0x0/0x458 [ 53.426819][ T4294] show_stack+0x2c/0x3c [ 53.427422][ T4294] __dump_stack+0x30/0x40 [ 53.428084][ T4294] dump_stack_lvl+0xf4/0x15c [ 53.428746][ T4294] dump_stack+0x1c/0x5c [ 53.429323][ T4294] bad_page+0x188/0x1a8 [ 53.429926][ T4294] check_free_page_bad+0xf4/0x16c [ 53.430693][ T4294] free_unref_page_prepare+0x738/0xa84 [ 53.431517][ T4294] free_unref_page_list+0xdc/0x730 [ 53.432274][ T4294] release_pages+0x13bc/0x16dc [ 53.432956][ T4294] __pagevec_release+0x84/0xf8 [ 53.433700][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 53.434616][ T4294] truncate_inode_pages+0x2c/0x3c [ 53.435427][ T4294] dbUnmount+0xf4/0x168 [ 53.436095][ T4294] jfs_umount+0x1c4/0x328 [ 53.436833][ T4294] jfs_put_super+0x90/0x188 [ 53.437560][ T4294] generic_shutdown_super+0x130/0x2f0 [ 53.438447][ T4294] kill_block_super+0x70/0xdc [ 53.439185][ T4294] deactivate_locked_super+0xb8/0x134 [ 53.440020][ T4294] deactivate_super+0xf0/0x110 [ 53.440767][ T4294] cleanup_mnt+0x3b8/0x46c [ 53.441431][ T4294] __cleanup_mnt+0x20/0x30 [ 53.442143][ T4294] task_work_run+0x12c/0x1d8 [ 53.442868][ T4294] do_notify_resume+0x2450/0x309c [ 53.443640][ T4294] el0_svc+0xf0/0x1d0 [ 53.444307][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 53.445052][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 53.635372][ T4603] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.635372][ T4603] [ 53.636667][ T4603] JFS: sb_issue_discard(000000007828bdb1, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.638243][ T4603] blkno = 8000000000400, nblocks = 400 [ 53.639176][ T4603] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.639176][ T4603] [ 53.644337][ T4294] BUG: Bad page state in process syz-executor.0 pfn:108741 [ 53.645615][ T4294] page:000000006867add2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x108741 [ 53.647301][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.648836][ T4294] raw: 05ffc00000002006 fffffc000337ca08 ffff80001f1f75c0 0000000000000000 [ 53.650265][ T4294] raw: 0000000000000004 ffff0000ca6575d0 00000000ffffffff 0000000000000000 [ 53.651581][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.652651][ T4294] Modules linked in: [ 53.653252][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.654682][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.656219][ T4294] Call trace: [ 53.656748][ T4294] dump_backtrace+0x0/0x458 [ 53.657399][ T4294] show_stack+0x2c/0x3c [ 53.658035][ T4294] __dump_stack+0x30/0x40 [ 53.658767][ T4294] dump_stack_lvl+0xf4/0x15c [ 53.659542][ T4294] dump_stack+0x1c/0x5c [ 53.660234][ T4294] bad_page+0x188/0x1a8 [ 53.660934][ T4294] check_free_page_bad+0xf4/0x16c [ 53.661713][ T4294] free_unref_page_prepare+0x738/0xa84 [ 53.662656][ T4294] free_unref_page_list+0xdc/0x730 [ 53.663445][ T4294] release_pages+0x13bc/0x16dc [ 53.664135][ T4294] __pagevec_release+0x84/0xf8 [ 53.664856][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 53.665670][ T4294] truncate_inode_pages+0x2c/0x3c [ 53.666446][ T4294] dbUnmount+0xf4/0x168 [ 53.666994][ T4294] jfs_umount+0x1c4/0x328 [ 53.667636][ T4294] jfs_put_super+0x90/0x188 [ 53.668280][ T4294] generic_shutdown_super+0x130/0x2f0 [ 53.669182][ T4294] kill_block_super+0x70/0xdc [ 53.669935][ T4294] deactivate_locked_super+0xb8/0x134 [ 53.670745][ T4294] deactivate_super+0xf0/0x110 [ 53.671440][ T4294] cleanup_mnt+0x3b8/0x46c [ 53.672123][ T4294] __cleanup_mnt+0x20/0x30 [ 53.672820][ T4294] task_work_run+0x12c/0x1d8 [ 53.673492][ T4294] do_notify_resume+0x2450/0x309c [ 53.674231][ T4294] el0_svc+0xf0/0x1d0 [ 53.674871][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 53.675706][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 53.850985][ T4605] ERROR: (device loop0): dbDiscardAG: -EIO [ 53.850985][ T4605] [ 53.852342][ T4605] JFS: sb_issue_discard(00000000a7ce7e8f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 53.854200][ T4605] blkno = 8000000000400, nblocks = 400 [ 53.854987][ T4605] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 53.854987][ T4605] [ 53.859551][ T4294] BUG: Bad page state in process syz-executor.0 pfn:107ded [ 53.860835][ T4294] page:0000000026ef71d1 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x107ded [ 53.862527][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 53.864847][ T4294] raw: 05ffc00000002006 fffffc00032d6e88 ffff80001f1f75c0 0000000000000000 [ 53.866130][ T4294] raw: 0000000000000004 ffff0000d8ac40f8 00000000ffffffff 0000000000000000 [ 53.867424][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 53.868516][ T4294] Modules linked in: [ 53.869110][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 53.870541][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.872082][ T4294] Call trace: [ 53.872545][ T4294] dump_backtrace+0x0/0x458 [ 53.873228][ T4294] show_stack+0x2c/0x3c [ 53.873868][ T4294] __dump_stack+0x30/0x40 [ 53.874523][ T4294] dump_stack_lvl+0xf4/0x15c [ 53.875232][ T4294] dump_stack+0x1c/0x5c [ 53.875875][ T4294] bad_page+0x188/0x1a8 [ 53.876489][ T4294] check_free_page_bad+0xf4/0x16c [ 53.877219][ T4294] free_unref_page_prepare+0x738/0xa84 [ 53.878027][ T4294] free_unref_page_list+0xdc/0x730 [ 53.878853][ T4294] release_pages+0x13bc/0x16dc [ 53.879652][ T4294] __pagevec_release+0x84/0xf8 [ 53.880462][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 53.881391][ T4294] truncate_inode_pages+0x2c/0x3c [ 53.882178][ T4294] dbUnmount+0xf4/0x168 [ 53.882833][ T4294] jfs_umount+0x1c4/0x328 [ 53.883544][ T4294] jfs_put_super+0x90/0x188 [ 53.884267][ T4294] generic_shutdown_super+0x130/0x2f0 [ 53.885137][ T4294] kill_block_super+0x70/0xdc [ 53.885841][ T4294] deactivate_locked_super+0xb8/0x134 [ 53.886633][ T4294] deactivate_super+0xf0/0x110 [ 53.887333][ T4294] cleanup_mnt+0x3b8/0x46c [ 53.887994][ T4294] __cleanup_mnt+0x20/0x30 [ 53.888652][ T4294] task_work_run+0x12c/0x1d8 [ 53.889313][ T4294] do_notify_resume+0x2450/0x309c [ 53.890047][ T4294] el0_svc+0xf0/0x1d0 [ 53.890654][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 53.891449][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 53.933568][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 54.079263][ T4607] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.079263][ T4607] [ 54.080644][ T4607] JFS: sb_issue_discard(000000006172b9b0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.082278][ T4607] blkno = 8000000000400, nblocks = 400 [ 54.083171][ T4607] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.083171][ T4607] [ 54.089763][ T4294] BUG: Bad page state in process syz-executor.0 pfn:1121ae [ 54.090986][ T4294] page:000000007986886b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1121ae [ 54.092755][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.095689][ T4294] raw: 05ffc00000002006 fffffc0003483548 ffff80001f1f75c0 0000000000000000 [ 54.097049][ T4294] raw: 0000000000000004 ffff0000d6ca8ba0 00000000ffffffff 0000000000000000 [ 54.098363][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.099446][ T4294] Modules linked in: [ 54.100060][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.101621][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.103272][ T4294] Call trace: [ 54.103836][ T4294] dump_backtrace+0x0/0x458 [ 54.104574][ T4294] show_stack+0x2c/0x3c [ 54.105251][ T4294] __dump_stack+0x30/0x40 [ 54.105933][ T4294] dump_stack_lvl+0xf4/0x15c [ 54.106630][ T4294] dump_stack+0x1c/0x5c [ 54.107281][ T4294] bad_page+0x188/0x1a8 [ 54.107885][ T4294] check_free_page_bad+0xf4/0x16c [ 54.108755][ T4294] free_unref_page_prepare+0x738/0xa84 [ 54.109648][ T4294] free_unref_page_list+0xdc/0x730 [ 54.110505][ T4294] release_pages+0x13bc/0x16dc [ 54.111306][ T4294] __pagevec_release+0x84/0xf8 [ 54.112094][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 54.113059][ T4294] truncate_inode_pages+0x2c/0x3c [ 54.113896][ T4294] dbUnmount+0xf4/0x168 [ 54.114562][ T4294] jfs_umount+0x1c4/0x328 [ 54.115265][ T4294] jfs_put_super+0x90/0x188 [ 54.116027][ T4294] generic_shutdown_super+0x130/0x2f0 [ 54.116851][ T4294] kill_block_super+0x70/0xdc [ 54.117592][ T4294] deactivate_locked_super+0xb8/0x134 [ 54.118496][ T4294] deactivate_super+0xf0/0x110 [ 54.119271][ T4294] cleanup_mnt+0x3b8/0x46c [ 54.119999][ T4294] __cleanup_mnt+0x20/0x30 [ 54.120678][ T4294] task_work_run+0x12c/0x1d8 [ 54.121404][ T4294] do_notify_resume+0x2450/0x309c [ 54.122214][ T4294] el0_svc+0xf0/0x1d0 [ 54.122840][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 54.123625][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 54.348134][ T4609] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.348134][ T4609] [ 54.349550][ T4609] JFS: sb_issue_discard(00000000138e362a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.351283][ T4609] blkno = 8000000000400, nblocks = 400 [ 54.352109][ T4609] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.352109][ T4609] [ 54.356708][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10d309 [ 54.357970][ T4294] page:000000005937dc03 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10d309 [ 54.359701][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.361351][ T4294] raw: 05ffc00000002006 fffffc0003704488 ffff80001f1f75c0 0000000000000000 [ 54.362828][ T4294] raw: 0000000000000004 ffff0000d8ac4ba0 00000000ffffffff 0000000000000000 [ 54.364592][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.365769][ T4294] Modules linked in: [ 54.366360][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.367790][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.369303][ T4294] Call trace: [ 54.369750][ T4294] dump_backtrace+0x0/0x458 [ 54.370498][ T4294] show_stack+0x2c/0x3c [ 54.371166][ T4294] __dump_stack+0x30/0x40 [ 54.371848][ T4294] dump_stack_lvl+0xf4/0x15c [ 54.372522][ T4294] dump_stack+0x1c/0x5c [ 54.373179][ T4294] bad_page+0x188/0x1a8 [ 54.373892][ T4294] check_free_page_bad+0xf4/0x16c [ 54.374715][ T4294] free_unref_page_prepare+0x738/0xa84 [ 54.375552][ T4294] free_unref_page_list+0xdc/0x730 [ 54.376355][ T4294] release_pages+0x13bc/0x16dc [ 54.377083][ T4294] __pagevec_release+0x84/0xf8 [ 54.377762][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 54.378531][ T4294] truncate_inode_pages+0x2c/0x3c [ 54.379218][ T4294] dbUnmount+0xf4/0x168 [ 54.379821][ T4294] jfs_umount+0x1c4/0x328 [ 54.380427][ T4294] jfs_put_super+0x90/0x188 [ 54.381111][ T4294] generic_shutdown_super+0x130/0x2f0 [ 54.381942][ T4294] kill_block_super+0x70/0xdc [ 54.382693][ T4294] deactivate_locked_super+0xb8/0x134 [ 54.383553][ T4294] deactivate_super+0xf0/0x110 [ 54.384319][ T4294] cleanup_mnt+0x3b8/0x46c [ 54.384964][ T4294] __cleanup_mnt+0x20/0x30 [ 54.385671][ T4294] task_work_run+0x12c/0x1d8 [ 54.386369][ T4294] do_notify_resume+0x2450/0x309c [ 54.387207][ T4294] el0_svc+0xf0/0x1d0 [ 54.387848][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 54.388655][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 54.579147][ T4611] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.579147][ T4611] [ 54.580494][ T4611] JFS: sb_issue_discard(0000000093ee17bf, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.582036][ T4611] blkno = 8000000000400, nblocks = 400 [ 54.582943][ T4611] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.582943][ T4611] [ 54.588096][ T4294] BUG: Bad page state in process syz-executor.0 pfn:1128d6 [ 54.589209][ T4294] page:00000000bf1dfdbd refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1128d6 [ 54.590922][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.592384][ T4294] raw: 05ffc00000002006 fffffc00034abf08 ffff80001f1f75c0 0000000000000000 [ 54.593960][ T4294] raw: 0000000000000004 ffff0000dc1106c8 00000000ffffffff 0000000000000000 [ 54.595317][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.596468][ T4294] Modules linked in: [ 54.597090][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.598536][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.599991][ T4294] Call trace: [ 54.600447][ T4294] dump_backtrace+0x0/0x458 [ 54.601092][ T4294] show_stack+0x2c/0x3c [ 54.601700][ T4294] __dump_stack+0x30/0x40 [ 54.602345][ T4294] dump_stack_lvl+0xf4/0x15c [ 54.603027][ T4294] dump_stack+0x1c/0x5c [ 54.603645][ T4294] bad_page+0x188/0x1a8 [ 54.604265][ T4294] check_free_page_bad+0xf4/0x16c [ 54.604981][ T4294] free_unref_page_prepare+0x738/0xa84 [ 54.605851][ T4294] free_unref_page_list+0xdc/0x730 [ 54.606623][ T4294] release_pages+0x13bc/0x16dc [ 54.607403][ T4294] __pagevec_release+0x84/0xf8 [ 54.608119][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 54.608952][ T4294] truncate_inode_pages+0x2c/0x3c [ 54.609683][ T4294] dbUnmount+0xf4/0x168 [ 54.610286][ T4294] jfs_umount+0x1c4/0x328 [ 54.610952][ T4294] jfs_put_super+0x90/0x188 [ 54.611645][ T4294] generic_shutdown_super+0x130/0x2f0 [ 54.612472][ T4294] kill_block_super+0x70/0xdc [ 54.613215][ T4294] deactivate_locked_super+0xb8/0x134 [ 54.614048][ T4294] deactivate_super+0xf0/0x110 [ 54.614836][ T4294] cleanup_mnt+0x3b8/0x46c [ 54.615596][ T4294] __cleanup_mnt+0x20/0x30 [ 54.616344][ T4294] task_work_run+0x12c/0x1d8 [ 54.617046][ T4294] do_notify_resume+0x2450/0x309c [ 54.617848][ T4294] el0_svc+0xf0/0x1d0 [ 54.618472][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 54.619305][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 54.778620][ T4613] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.778620][ T4613] [ 54.779946][ T4613] JFS: sb_issue_discard(00000000919ebf5a, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.781531][ T4613] blkno = 8000000000400, nblocks = 400 [ 54.782381][ T4613] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.782381][ T4613] [ 54.786787][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11b2f4 [ 54.787886][ T4294] page:00000000e8f172d6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b2f4 [ 54.789600][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 54.791106][ T4294] raw: 05ffc00000002006 fffffc00036ab008 ffff80001f1f75c0 0000000000000000 [ 54.792363][ T4294] raw: 0000000000000004 ffff0000dc1109b0 00000000ffffffff 0000000000000000 [ 54.793810][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 54.795054][ T4294] Modules linked in: [ 54.795704][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 54.797257][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.798866][ T4294] Call trace: [ 54.799326][ T4294] dump_backtrace+0x0/0x458 [ 54.799977][ T4294] show_stack+0x2c/0x3c [ 54.800615][ T4294] __dump_stack+0x30/0x40 [ 54.801306][ T4294] dump_stack_lvl+0xf4/0x15c [ 54.802047][ T4294] dump_stack+0x1c/0x5c [ 54.802614][ T4294] bad_page+0x188/0x1a8 [ 54.803285][ T4294] check_free_page_bad+0xf4/0x16c [ 54.804063][ T4294] free_unref_page_prepare+0x738/0xa84 [ 54.804905][ T4294] free_unref_page_list+0xdc/0x730 [ 54.805778][ T4294] release_pages+0x13bc/0x16dc [ 54.806554][ T4294] __pagevec_release+0x84/0xf8 [ 54.807321][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 54.808183][ T4294] truncate_inode_pages+0x2c/0x3c [ 54.808936][ T4294] dbUnmount+0xf4/0x168 [ 54.809517][ T4294] jfs_umount+0x1c4/0x328 [ 54.810118][ T4294] jfs_put_super+0x90/0x188 [ 54.810801][ T4294] generic_shutdown_super+0x130/0x2f0 [ 54.811671][ T4294] kill_block_super+0x70/0xdc [ 54.812417][ T4294] deactivate_locked_super+0xb8/0x134 [ 54.813235][ T4294] deactivate_super+0xf0/0x110 [ 54.813997][ T4294] cleanup_mnt+0x3b8/0x46c [ 54.814713][ T4294] __cleanup_mnt+0x20/0x30 [ 54.815354][ T4294] task_work_run+0x12c/0x1d8 [ 54.816052][ T4294] do_notify_resume+0x2450/0x309c [ 54.816854][ T4294] el0_svc+0xf0/0x1d0 [ 54.817481][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 54.818374][ T4294] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:54 executed programs: 17 [ 54.987970][ T4615] ERROR: (device loop0): dbDiscardAG: -EIO [ 54.987970][ T4615] [ 54.989375][ T4615] JFS: sb_issue_discard(000000005523b32f, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 54.990996][ T4615] blkno = 8000000000400, nblocks = 400 [ 54.991876][ T4615] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 54.991876][ T4615] [ 55.003000][ T4616] BUG: Bad page state in process syz-executor.0 pfn:11b5dc [ 55.004113][ T4616] page:000000008952ba35 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b5dc [ 55.005696][ T4616] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.007163][ T4616] raw: 05ffc00000002006 fffffc0003620388 ffff80001bfd7920 0000000000000000 [ 55.008410][ T4616] raw: 0000000000000004 ffff0000db0d6e88 00000000ffffffff 0000000000000000 [ 55.009686][ T4616] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.010734][ T4616] Modules linked in: [ 55.011265][ T4616] CPU: 1 PID: 4616 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.012661][ T4616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.014243][ T4616] Call trace: [ 55.014768][ T4616] dump_backtrace+0x0/0x458 [ 55.015503][ T4616] show_stack+0x2c/0x3c [ 55.016166][ T4616] __dump_stack+0x30/0x40 [ 55.016882][ T4616] dump_stack_lvl+0xf4/0x15c [ 55.017613][ T4616] dump_stack+0x1c/0x5c [ 55.018284][ T4616] bad_page+0x188/0x1a8 [ 55.018989][ T4616] check_free_page_bad+0xf4/0x16c [ 55.019786][ T4616] free_unref_page_prepare+0x738/0xa84 [ 55.020619][ T4616] free_unref_page_list+0xdc/0x730 [ 55.021427][ T4616] release_pages+0x13bc/0x16dc [ 55.022176][ T4616] __pagevec_lru_add+0x1280/0x1588 [ 55.022945][ T4616] lru_cache_add+0x470/0x6dc [ 55.023691][ T4616] lru_cache_add_inactive_or_unevictable+0x130/0x2f0 [ 55.024723][ T4616] handle_mm_fault+0x23a0/0x2a28 [ 55.025403][ T4616] do_page_fault+0x67c/0xab0 [ 55.026128][ T4616] do_translation_fault+0xe0/0x130 [ 55.026907][ T4616] do_mem_abort+0x6c/0x1ac [ 55.027609][ T4616] el0_da+0x90/0x1ec [ 55.028211][ T4616] el0t_64_sync_handler+0xd8/0xe4 [ 55.029050][ T4616] el0t_64_sync+0x1a0/0x1a4 [ 55.115868][ T4617] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.115868][ T4617] [ 55.117213][ T4617] JFS: sb_issue_discard(000000001e4780ab, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.118916][ T4617] blkno = 8000000000400, nblocks = 400 [ 55.119833][ T4617] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.119833][ T4617] [ 55.125192][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11b0d3 [ 55.126391][ T4294] page:0000000019d61d53 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b0d3 [ 55.127994][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.129415][ T4294] raw: 05ffc00000002006 fffffc00033ac888 ffff80001f1f75c0 0000000000000000 [ 55.130760][ T4294] raw: 0000000000000004 ffff0000dab704d8 00000000ffffffff 0000000000000000 [ 55.131969][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.133062][ T4294] Modules linked in: [ 55.134323][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.135692][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.137153][ T4294] Call trace: [ 55.137641][ T4294] dump_backtrace+0x0/0x458 [ 55.138302][ T4294] show_stack+0x2c/0x3c [ 55.138937][ T4294] __dump_stack+0x30/0x40 [ 55.139589][ T4294] dump_stack_lvl+0xf4/0x15c [ 55.140247][ T4294] dump_stack+0x1c/0x5c [ 55.140861][ T4294] bad_page+0x188/0x1a8 [ 55.141451][ T4294] check_free_page_bad+0xf4/0x16c [ 55.142189][ T4294] free_unref_page_prepare+0x738/0xa84 [ 55.143072][ T4294] free_unref_page_list+0xdc/0x730 [ 55.143922][ T4294] release_pages+0x13bc/0x16dc [ 55.144704][ T4294] __pagevec_release+0x84/0xf8 [ 55.145419][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 55.146339][ T4294] truncate_inode_pages+0x2c/0x3c [ 55.147103][ T4294] dbUnmount+0xf4/0x168 [ 55.147788][ T4294] jfs_umount+0x1c4/0x328 [ 55.148519][ T4294] jfs_put_super+0x90/0x188 [ 55.149226][ T4294] generic_shutdown_super+0x130/0x2f0 [ 55.150092][ T4294] kill_block_super+0x70/0xdc [ 55.150933][ T4294] deactivate_locked_super+0xb8/0x134 [ 55.151805][ T4294] deactivate_super+0xf0/0x110 [ 55.152541][ T4294] cleanup_mnt+0x3b8/0x46c [ 55.153268][ T4294] __cleanup_mnt+0x20/0x30 [ 55.153979][ T4294] task_work_run+0x12c/0x1d8 [ 55.154756][ T4294] do_notify_resume+0x2450/0x309c [ 55.155583][ T4294] el0_svc+0xf0/0x1d0 [ 55.156176][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 55.156956][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 55.318196][ T4619] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.318196][ T4619] [ 55.319490][ T4619] JFS: sb_issue_discard(00000000de93891d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.321191][ T4619] blkno = 8000000000400, nblocks = 400 [ 55.322091][ T4619] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.322091][ T4619] [ 55.326900][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10a0c6 [ 55.327971][ T4294] page:0000000063243716 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a0c6 [ 55.329595][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.331163][ T4294] raw: 05ffc00000002006 fffffc00036154c8 ffff80001f1f75c0 0000000000000000 [ 55.332522][ T4294] raw: 0000000000000004 ffff0000dab707c0 00000000ffffffff 0000000000000000 [ 55.334173][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.335345][ T4294] Modules linked in: [ 55.335900][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.337183][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.338592][ T4294] Call trace: [ 55.339035][ T4294] dump_backtrace+0x0/0x458 [ 55.339734][ T4294] show_stack+0x2c/0x3c [ 55.340382][ T4294] __dump_stack+0x30/0x40 [ 55.341027][ T4294] dump_stack_lvl+0xf4/0x15c [ 55.341708][ T4294] dump_stack+0x1c/0x5c [ 55.342342][ T4294] bad_page+0x188/0x1a8 [ 55.342937][ T4294] check_free_page_bad+0xf4/0x16c [ 55.343651][ T4294] free_unref_page_prepare+0x738/0xa84 [ 55.344444][ T4294] free_unref_page_list+0xdc/0x730 [ 55.345280][ T4294] release_pages+0x13bc/0x16dc [ 55.346038][ T4294] __pagevec_release+0x84/0xf8 [ 55.346806][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 55.347770][ T4294] truncate_inode_pages+0x2c/0x3c [ 55.348625][ T4294] dbUnmount+0xf4/0x168 [ 55.349287][ T4294] jfs_umount+0x1c4/0x328 [ 55.349965][ T4294] jfs_put_super+0x90/0x188 [ 55.350736][ T4294] generic_shutdown_super+0x130/0x2f0 [ 55.351617][ T4294] kill_block_super+0x70/0xdc [ 55.352344][ T4294] deactivate_locked_super+0xb8/0x134 [ 55.353182][ T4294] deactivate_super+0xf0/0x110 [ 55.353938][ T4294] cleanup_mnt+0x3b8/0x46c [ 55.354654][ T4294] __cleanup_mnt+0x20/0x30 [ 55.355377][ T4294] task_work_run+0x12c/0x1d8 [ 55.356080][ T4294] do_notify_resume+0x2450/0x309c [ 55.356846][ T4294] el0_svc+0xf0/0x1d0 [ 55.357483][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 55.358252][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 55.520198][ T4621] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.520198][ T4621] [ 55.521601][ T4621] JFS: sb_issue_discard(00000000b2bdebec, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.523166][ T4621] blkno = 8000000000400, nblocks = 400 [ 55.524043][ T4621] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.524043][ T4621] [ 55.567279][ T4297] BUG: Bad page state in process udevd pfn:11aaf0 [ 55.568319][ T4297] page:000000003f7cf50a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11aaf0 [ 55.569970][ T4297] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.571565][ T4297] raw: 05ffc00000002006 fffffc00034a2808 ffff80001f3471e0 0000000000000000 [ 55.572858][ T4297] raw: 0000000000000004 ffff0000d29632e8 00000000ffffffff 0000000000000000 [ 55.574169][ T4297] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.575310][ T4297] Modules linked in: [ 55.575839][ T4297] CPU: 0 PID: 4297 Comm: udevd Tainted: G B syzkaller #0 [ 55.577042][ T4297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.578478][ T4297] Call trace: [ 55.578951][ T4297] dump_backtrace+0x0/0x458 [ 55.579611][ T4297] show_stack+0x2c/0x3c [ 55.580214][ T4297] __dump_stack+0x30/0x40 [ 55.580854][ T4297] dump_stack_lvl+0xf4/0x15c [ 55.581519][ T4297] dump_stack+0x1c/0x5c [ 55.582130][ T4297] bad_page+0x188/0x1a8 [ 55.582729][ T4297] check_free_page_bad+0xf4/0x16c [ 55.583424][ T4297] free_unref_page_prepare+0x738/0xa84 [ 55.584236][ T4297] free_unref_page_list+0xdc/0x730 [ 55.584996][ T4297] release_pages+0x13bc/0x16dc [ 55.585717][ T4297] __pagevec_lru_add+0x1280/0x1588 [ 55.586484][ T4297] lru_add_drain_cpu+0xb8/0x5a4 [ 55.587178][ T4297] lru_add_drain+0x8c/0x164 [ 55.587840][ T4297] __pagevec_release+0x5c/0xf8 [ 55.588585][ T4297] shmem_undo_range+0x514/0x1294 [ 55.589355][ T4297] shmem_evict_inode+0x1c8/0x838 [ 55.590112][ T4297] evict+0x3e0/0x828 [ 55.590707][ T4297] iput+0x6ac/0x764 [ 55.591275][ T4297] dentry_unlink_inode+0x360/0x438 [ 55.592087][ T4297] __dentry_kill+0x320/0x598 [ 55.592817][ T4297] dentry_kill+0xc8/0x248 [ 55.593504][ T4297] dput+0x23c/0x458 [ 55.594144][ T4297] do_renameat2+0x784/0xcfc [ 55.594898][ T4297] __arm64_sys_renameat+0xc8/0xe4 [ 55.595694][ T4297] invoke_syscall+0x98/0x2b0 [ 55.596400][ T4297] el0_svc_common+0x138/0x258 [ 55.597095][ T4297] do_el0_svc+0x58/0x13c [ 55.597757][ T4297] el0_svc+0x78/0x1d0 [ 55.598364][ T4297] el0t_64_sync_handler+0xcc/0xe4 [ 55.599169][ T4297] el0t_64_sync+0x1a0/0x1a4 [ 55.715888][ T4623] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.715888][ T4623] [ 55.717235][ T4623] JFS: sb_issue_discard(00000000771f8e79, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.719026][ T4623] blkno = 8000000000400, nblocks = 400 [ 55.719893][ T4623] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.719893][ T4623] [ 55.724214][ T4294] BUG: Bad page state in process syz-executor.0 pfn:1114b4 [ 55.725343][ T4294] page:0000000072fced54 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1114b4 [ 55.726879][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 55.728371][ T4294] raw: 05ffc00000002006 fffffc00036ac148 ffff80001f1f75c0 0000000000000000 [ 55.729681][ T4294] raw: 0000000000000004 ffff0000d2963d90 00000000ffffffff 0000000000000000 [ 55.731032][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 55.732125][ T4294] Modules linked in: [ 55.732757][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 55.734151][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.735715][ T4294] Call trace: [ 55.736235][ T4294] dump_backtrace+0x0/0x458 [ 55.736922][ T4294] show_stack+0x2c/0x3c [ 55.737562][ T4294] __dump_stack+0x30/0x40 [ 55.738224][ T4294] dump_stack_lvl+0xf4/0x15c [ 55.738911][ T4294] dump_stack+0x1c/0x5c [ 55.739508][ T4294] bad_page+0x188/0x1a8 [ 55.740166][ T4294] check_free_page_bad+0xf4/0x16c [ 55.740958][ T4294] free_unref_page_prepare+0x738/0xa84 [ 55.741854][ T4294] free_unref_page_list+0xdc/0x730 [ 55.742667][ T4294] release_pages+0x13bc/0x16dc [ 55.743480][ T4294] __pagevec_release+0x84/0xf8 [ 55.744293][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 55.745130][ T4294] truncate_inode_pages+0x2c/0x3c [ 55.745886][ T4294] dbUnmount+0xf4/0x168 [ 55.746505][ T4294] jfs_umount+0x1c4/0x328 [ 55.747130][ T4294] jfs_put_super+0x90/0x188 [ 55.747779][ T4294] generic_shutdown_super+0x130/0x2f0 [ 55.748544][ T4294] kill_block_super+0x70/0xdc [ 55.749216][ T4294] deactivate_locked_super+0xb8/0x134 [ 55.749983][ T4294] deactivate_super+0xf0/0x110 [ 55.750658][ T4294] cleanup_mnt+0x3b8/0x46c [ 55.751277][ T4294] __cleanup_mnt+0x20/0x30 [ 55.751982][ T4294] task_work_run+0x12c/0x1d8 [ 55.752714][ T4294] do_notify_resume+0x2450/0x309c [ 55.753522][ T4294] el0_svc+0xf0/0x1d0 [ 55.754180][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 55.754983][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 55.989148][ T4625] ERROR: (device loop0): dbDiscardAG: -EIO [ 55.989148][ T4625] [ 55.990411][ T4625] JFS: sb_issue_discard(0000000077ba3ae7, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 55.991891][ T4625] blkno = 8000000000400, nblocks = 400 [ 55.992685][ T4625] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 55.992685][ T4625] [ 55.997233][ T4294] BUG: Bad page state in process syz-executor.0 pfn:109e94 [ 55.998397][ T4294] page:000000009250c308 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109e94 [ 55.999957][ T4294] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.001305][ T4294] raw: 05ffc00000002004 fffffc00034d3d08 ffff80001f1f75c0 0000000000000000 [ 56.002621][ T4294] raw: 0000000000000004 ffff0000c9a141f0 00000000ffffffff 0000000000000000 [ 56.004149][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.005175][ T4294] Modules linked in: [ 56.005765][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.007245][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.008892][ T4294] Call trace: [ 56.009414][ T4294] dump_backtrace+0x0/0x458 [ 56.010122][ T4294] show_stack+0x2c/0x3c [ 56.010773][ T4294] __dump_stack+0x30/0x40 [ 56.011451][ T4294] dump_stack_lvl+0xf4/0x15c [ 56.012164][ T4294] dump_stack+0x1c/0x5c [ 56.012789][ T4294] bad_page+0x188/0x1a8 [ 56.013422][ T4294] check_free_page_bad+0xf4/0x16c [ 56.014210][ T4294] free_unref_page_prepare+0x738/0xa84 [ 56.015059][ T4294] free_unref_page_list+0xdc/0x730 [ 56.015855][ T4294] release_pages+0x13bc/0x16dc [ 56.016614][ T4294] __pagevec_release+0x84/0xf8 [ 56.017438][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 56.018422][ T4294] truncate_inode_pages+0x2c/0x3c [ 56.019267][ T4294] dbUnmount+0xf4/0x168 [ 56.019946][ T4294] jfs_umount+0x1c4/0x328 [ 56.020633][ T4294] jfs_put_super+0x90/0x188 [ 56.021352][ T4294] generic_shutdown_super+0x130/0x2f0 [ 56.022207][ T4294] kill_block_super+0x70/0xdc [ 56.022988][ T4294] deactivate_locked_super+0xb8/0x134 [ 56.023864][ T4294] deactivate_super+0xf0/0x110 [ 56.024659][ T4294] cleanup_mnt+0x3b8/0x46c [ 56.025352][ T4294] __cleanup_mnt+0x20/0x30 [ 56.026025][ T4294] task_work_run+0x12c/0x1d8 [ 56.026714][ T4294] do_notify_resume+0x2450/0x309c [ 56.027472][ T4294] el0_svc+0xf0/0x1d0 [ 56.028061][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 56.028799][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 56.029968][ T4382] Bluetooth: hci0: command 0x040f tx timeout [ 56.196684][ T4627] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.196684][ T4627] [ 56.198151][ T4627] JFS: sb_issue_discard(00000000e93b7be5, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.199803][ T4627] blkno = 8000000000400, nblocks = 400 [ 56.200684][ T4627] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.200684][ T4627] [ 56.205694][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10727c [ 56.206762][ T4294] page:000000007ecc64d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10727c [ 56.208295][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.209815][ T4294] raw: 05ffc00000002006 fffffc0003451208 ffff80001f1f75c0 0000000000000000 [ 56.211129][ T4294] raw: 0000000000000004 ffff0000c9a14c98 00000000ffffffff 0000000000000000 [ 56.212576][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.214356][ T4294] Modules linked in: [ 56.215028][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.216426][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.218037][ T4294] Call trace: [ 56.218562][ T4294] dump_backtrace+0x0/0x458 [ 56.219295][ T4294] show_stack+0x2c/0x3c [ 56.219929][ T4294] __dump_stack+0x30/0x40 [ 56.220627][ T4294] dump_stack_lvl+0xf4/0x15c [ 56.221405][ T4294] dump_stack+0x1c/0x5c [ 56.222054][ T4294] bad_page+0x188/0x1a8 [ 56.222694][ T4294] check_free_page_bad+0xf4/0x16c [ 56.223464][ T4294] free_unref_page_prepare+0x738/0xa84 [ 56.224318][ T4294] free_unref_page_list+0xdc/0x730 [ 56.225062][ T4294] release_pages+0x13bc/0x16dc [ 56.225777][ T4294] __pagevec_release+0x84/0xf8 [ 56.226533][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 56.227507][ T4294] truncate_inode_pages+0x2c/0x3c [ 56.228395][ T4294] dbUnmount+0xf4/0x168 [ 56.229049][ T4294] jfs_umount+0x1c4/0x328 [ 56.229734][ T4294] jfs_put_super+0x90/0x188 [ 56.230414][ T4294] generic_shutdown_super+0x130/0x2f0 [ 56.231179][ T4294] kill_block_super+0x70/0xdc [ 56.231884][ T4294] deactivate_locked_super+0xb8/0x134 [ 56.232687][ T4294] deactivate_super+0xf0/0x110 [ 56.233499][ T4294] cleanup_mnt+0x3b8/0x46c [ 56.234205][ T4294] __cleanup_mnt+0x20/0x30 [ 56.234943][ T4294] task_work_run+0x12c/0x1d8 [ 56.235731][ T4294] do_notify_resume+0x2450/0x309c [ 56.236564][ T4294] el0_svc+0xf0/0x1d0 [ 56.237254][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 56.238158][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 56.367621][ T4629] set_capacity_and_notify: 13 callbacks suppressed [ 56.367631][ T4629] loop0: detected capacity change from 0 to 32768 [ 56.405507][ T4629] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.405507][ T4629] [ 56.406884][ T4629] handle_bad_sector: 13 callbacks suppressed [ 56.406892][ T4629] attempt to access beyond end of device [ 56.406892][ T4629] loop0: rw=2051, want=18014398509498368, limit=32768 [ 56.409742][ T4629] JFS: sb_issue_discard(000000000529c34b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.411347][ T4629] blkno = 8000000000400, nblocks = 400 [ 56.412150][ T4629] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.412150][ T4629] [ 56.418284][ T4294] BUG: Bad page state in process syz-executor.0 pfn:114d40 [ 56.419383][ T4294] page:00000000479aaf7e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x114d40 [ 56.420992][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.422607][ T4294] raw: 05ffc00000002006 fffffc00031f45c8 ffff80001f1f75c0 0000000000000000 [ 56.424469][ T4294] raw: 0000000000000004 ffff0000dc08f7c0 00000000ffffffff 0000000000000000 [ 56.425877][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.426951][ T4294] Modules linked in: [ 56.427510][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.428910][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.430517][ T4294] Call trace: [ 56.431033][ T4294] dump_backtrace+0x0/0x458 [ 56.431765][ T4294] show_stack+0x2c/0x3c [ 56.432420][ T4294] __dump_stack+0x30/0x40 [ 56.433083][ T4294] dump_stack_lvl+0xf4/0x15c [ 56.433799][ T4294] dump_stack+0x1c/0x5c [ 56.434441][ T4294] bad_page+0x188/0x1a8 [ 56.435105][ T4294] check_free_page_bad+0xf4/0x16c [ 56.435982][ T4294] free_unref_page_prepare+0x738/0xa84 [ 56.436883][ T4294] free_unref_page_list+0xdc/0x730 [ 56.437682][ T4294] release_pages+0x13bc/0x16dc [ 56.438450][ T4294] __pagevec_release+0x84/0xf8 [ 56.439210][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 56.440189][ T4294] truncate_inode_pages+0x2c/0x3c [ 56.440993][ T4294] dbUnmount+0xf4/0x168 [ 56.441669][ T4294] jfs_umount+0x1c4/0x328 [ 56.442385][ T4294] jfs_put_super+0x90/0x188 [ 56.443165][ T4294] generic_shutdown_super+0x130/0x2f0 [ 56.444075][ T4294] kill_block_super+0x70/0xdc [ 56.444877][ T4294] deactivate_locked_super+0xb8/0x134 [ 56.445774][ T4294] deactivate_super+0xf0/0x110 [ 56.446548][ T4294] cleanup_mnt+0x3b8/0x46c [ 56.447263][ T4294] __cleanup_mnt+0x20/0x30 [ 56.448024][ T4294] task_work_run+0x12c/0x1d8 [ 56.448860][ T4294] do_notify_resume+0x2450/0x309c [ 56.449707][ T4294] el0_svc+0xf0/0x1d0 [ 56.450336][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 56.451135][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 56.558358][ T4631] loop0: detected capacity change from 0 to 32768 [ 56.599039][ T4631] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.599039][ T4631] [ 56.600498][ T4631] attempt to access beyond end of device [ 56.600498][ T4631] loop0: rw=2051, want=18014398509498368, limit=32768 [ 56.602241][ T4631] JFS: sb_issue_discard(00000000dfd1b4ca, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.603976][ T4631] blkno = 8000000000400, nblocks = 400 [ 56.604798][ T4631] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.604798][ T4631] [ 56.609992][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11ab39 [ 56.611046][ T4294] page:00000000a599456a refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11ab39 [ 56.612687][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.614714][ T4294] raw: 05ffc00000002006 fffffc00034be348 ffff80001f1f75c0 0000000000000000 [ 56.615923][ T4294] raw: 0000000000000004 ffff0000d144e8b8 00000000ffffffff 0000000000000000 [ 56.617321][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.618582][ T4294] Modules linked in: [ 56.619205][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.620554][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.622126][ T4294] Call trace: [ 56.622625][ T4294] dump_backtrace+0x0/0x458 [ 56.623343][ T4294] show_stack+0x2c/0x3c [ 56.624029][ T4294] __dump_stack+0x30/0x40 [ 56.624737][ T4294] dump_stack_lvl+0xf4/0x15c [ 56.625421][ T4294] dump_stack+0x1c/0x5c [ 56.626039][ T4294] bad_page+0x188/0x1a8 [ 56.626653][ T4294] check_free_page_bad+0xf4/0x16c [ 56.627349][ T4294] free_unref_page_prepare+0x738/0xa84 [ 56.628281][ T4294] free_unref_page_list+0xdc/0x730 [ 56.629100][ T4294] release_pages+0x13bc/0x16dc [ 56.629891][ T4294] __pagevec_release+0x84/0xf8 [ 56.630701][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 56.631636][ T4294] truncate_inode_pages+0x2c/0x3c [ 56.632421][ T4294] dbUnmount+0xf4/0x168 [ 56.633090][ T4294] jfs_umount+0x1c4/0x328 [ 56.633794][ T4294] jfs_put_super+0x90/0x188 [ 56.634493][ T4294] generic_shutdown_super+0x130/0x2f0 [ 56.635319][ T4294] kill_block_super+0x70/0xdc [ 56.636084][ T4294] deactivate_locked_super+0xb8/0x134 [ 56.636986][ T4294] deactivate_super+0xf0/0x110 [ 56.637778][ T4294] cleanup_mnt+0x3b8/0x46c [ 56.638534][ T4294] __cleanup_mnt+0x20/0x30 [ 56.639266][ T4294] task_work_run+0x12c/0x1d8 [ 56.640010][ T4294] do_notify_resume+0x2450/0x309c [ 56.640801][ T4294] el0_svc+0xf0/0x1d0 [ 56.641468][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 56.642261][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 56.796488][ T4633] loop0: detected capacity change from 0 to 32768 [ 56.839452][ T4633] ERROR: (device loop0): dbDiscardAG: -EIO [ 56.839452][ T4633] [ 56.840836][ T4633] attempt to access beyond end of device [ 56.840836][ T4633] loop0: rw=2051, want=18014398509498368, limit=32768 [ 56.842689][ T4633] JFS: sb_issue_discard(000000009cd6337e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 56.844301][ T4633] blkno = 8000000000400, nblocks = 400 [ 56.845076][ T4633] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 56.845076][ T4633] [ 56.850698][ T4294] BUG: Bad page state in process syz-executor.0 pfn:110901 [ 56.851893][ T4294] page:0000000056279945 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x110901 [ 56.853324][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 56.855232][ T4294] raw: 05ffc00000002006 fffffc000367eac8 ffff80001f1f75c0 0000000000000000 [ 56.856458][ T4294] raw: 0000000000000004 ffff0000d82582e8 00000000ffffffff 0000000000000000 [ 56.857912][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 56.859034][ T4294] Modules linked in: [ 56.859675][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 56.861075][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.862500][ T4294] Call trace: [ 56.862946][ T4294] dump_backtrace+0x0/0x458 [ 56.863679][ T4294] show_stack+0x2c/0x3c [ 56.864318][ T4294] __dump_stack+0x30/0x40 [ 56.865047][ T4294] dump_stack_lvl+0xf4/0x15c [ 56.865809][ T4294] dump_stack+0x1c/0x5c [ 56.866526][ T4294] bad_page+0x188/0x1a8 [ 56.867242][ T4294] check_free_page_bad+0xf4/0x16c [ 56.868027][ T4294] free_unref_page_prepare+0x738/0xa84 [ 56.868909][ T4294] free_unref_page_list+0xdc/0x730 [ 56.869684][ T4294] release_pages+0x13bc/0x16dc [ 56.870438][ T4294] __pagevec_release+0x84/0xf8 [ 56.871124][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 56.872015][ T4294] truncate_inode_pages+0x2c/0x3c [ 56.872773][ T4294] dbUnmount+0xf4/0x168 [ 56.873415][ T4294] jfs_umount+0x1c4/0x328 [ 56.874066][ T4294] jfs_put_super+0x90/0x188 [ 56.874752][ T4294] generic_shutdown_super+0x130/0x2f0 [ 56.875593][ T4294] kill_block_super+0x70/0xdc [ 56.876310][ T4294] deactivate_locked_super+0xb8/0x134 [ 56.877190][ T4294] deactivate_super+0xf0/0x110 [ 56.877946][ T4294] cleanup_mnt+0x3b8/0x46c [ 56.878657][ T4294] __cleanup_mnt+0x20/0x30 [ 56.879357][ T4294] task_work_run+0x12c/0x1d8 [ 56.880076][ T4294] do_notify_resume+0x2450/0x309c [ 56.880870][ T4294] el0_svc+0xf0/0x1d0 [ 56.881495][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 56.882282][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 57.037595][ T4635] loop0: detected capacity change from 0 to 32768 [ 57.080888][ T4635] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.080888][ T4635] [ 57.082236][ T4635] attempt to access beyond end of device [ 57.082236][ T4635] loop0: rw=2051, want=18014398509498368, limit=32768 [ 57.084243][ T4635] JFS: sb_issue_discard(00000000e06af46b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.085770][ T4635] blkno = 8000000000400, nblocks = 400 [ 57.086622][ T4635] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.086622][ T4635] [ 57.098857][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11b10b [ 57.100017][ T4294] page:000000000af47174 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b10b [ 57.101560][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.102976][ T4294] raw: 05ffc00000002006 fffffc000345ce48 ffff80001f1f75c0 0000000000000000 [ 57.105049][ T4294] raw: 0000000000000004 ffff0000d8258d90 00000000ffffffff 0000000000000000 [ 57.106295][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.107441][ T4294] Modules linked in: [ 57.108034][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.109458][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.111117][ T4294] Call trace: [ 57.111634][ T4294] dump_backtrace+0x0/0x458 [ 57.112363][ T4294] show_stack+0x2c/0x3c [ 57.113010][ T4294] __dump_stack+0x30/0x40 [ 57.113693][ T4294] dump_stack_lvl+0xf4/0x15c [ 57.114405][ T4294] dump_stack+0x1c/0x5c [ 57.115072][ T4294] bad_page+0x188/0x1a8 [ 57.115731][ T4294] check_free_page_bad+0xf4/0x16c [ 57.116563][ T4294] free_unref_page_prepare+0x738/0xa84 [ 57.117431][ T4294] free_unref_page_list+0xdc/0x730 [ 57.118312][ T4294] release_pages+0x13bc/0x16dc [ 57.119084][ T4294] __pagevec_release+0x84/0xf8 [ 57.119890][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 57.120812][ T4294] truncate_inode_pages+0x2c/0x3c [ 57.121563][ T4294] dbUnmount+0xf4/0x168 [ 57.122205][ T4294] jfs_umount+0x1c4/0x328 [ 57.122858][ T4294] jfs_put_super+0x90/0x188 [ 57.123542][ T4294] generic_shutdown_super+0x130/0x2f0 [ 57.124344][ T4294] kill_block_super+0x70/0xdc [ 57.125111][ T4294] deactivate_locked_super+0xb8/0x134 [ 57.125974][ T4294] deactivate_super+0xf0/0x110 [ 57.126730][ T4294] cleanup_mnt+0x3b8/0x46c [ 57.127425][ T4294] __cleanup_mnt+0x20/0x30 [ 57.128123][ T4294] task_work_run+0x12c/0x1d8 [ 57.128830][ T4294] do_notify_resume+0x2450/0x309c [ 57.129675][ T4294] el0_svc+0xf0/0x1d0 [ 57.130344][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 57.131119][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 57.246442][ T4637] loop0: detected capacity change from 0 to 32768 [ 57.288797][ T4637] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.288797][ T4637] [ 57.290114][ T4637] attempt to access beyond end of device [ 57.290114][ T4637] loop0: rw=2051, want=18014398509498368, limit=32768 [ 57.291901][ T4637] JFS: sb_issue_discard(0000000026239617, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.293304][ T4637] blkno = 8000000000400, nblocks = 400 [ 57.294114][ T4637] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.294114][ T4637] [ 57.298236][ T4294] BUG: Bad page state in process syz-executor.0 pfn:1128cd [ 57.299456][ T4294] page:00000000fd5c3e3e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1128cd [ 57.301052][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.302665][ T4294] raw: 05ffc00000002006 fffffc000366cb88 ffff80001f1f75c0 0000000000000000 [ 57.312716][ T4294] raw: 0000000000000004 ffff0000d144eba0 00000000ffffffff 0000000000000000 [ 57.313999][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.315032][ T4294] Modules linked in: [ 57.315668][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.317195][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.318789][ T4294] Call trace: [ 57.319315][ T4294] dump_backtrace+0x0/0x458 [ 57.320054][ T4294] show_stack+0x2c/0x3c [ 57.320749][ T4294] __dump_stack+0x30/0x40 [ 57.321465][ T4294] dump_stack_lvl+0xf4/0x15c [ 57.322169][ T4294] dump_stack+0x1c/0x5c [ 57.322827][ T4294] bad_page+0x188/0x1a8 [ 57.323473][ T4294] check_free_page_bad+0xf4/0x16c [ 57.324243][ T4294] free_unref_page_prepare+0x738/0xa84 [ 57.325057][ T4294] free_unref_page_list+0xdc/0x730 [ 57.325837][ T4294] release_pages+0x13bc/0x16dc [ 57.326555][ T4294] __pagevec_release+0x84/0xf8 [ 57.327243][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 57.328125][ T4294] truncate_inode_pages+0x2c/0x3c [ 57.328828][ T4294] dbUnmount+0xf4/0x168 [ 57.329413][ T4294] jfs_umount+0x1c4/0x328 [ 57.330047][ T4294] jfs_put_super+0x90/0x188 [ 57.330736][ T4294] generic_shutdown_super+0x130/0x2f0 [ 57.331510][ T4294] kill_block_super+0x70/0xdc [ 57.332206][ T4294] deactivate_locked_super+0xb8/0x134 [ 57.333022][ T4294] deactivate_super+0xf0/0x110 [ 57.333746][ T4294] cleanup_mnt+0x3b8/0x46c [ 57.334418][ T4294] __cleanup_mnt+0x20/0x30 [ 57.335061][ T4294] task_work_run+0x12c/0x1d8 [ 57.335743][ T4294] do_notify_resume+0x2450/0x309c [ 57.336540][ T4294] el0_svc+0xf0/0x1d0 [ 57.337192][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 57.337961][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 57.484885][ T4639] loop0: detected capacity change from 0 to 32768 [ 57.588353][ T4639] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.588353][ T4639] [ 57.589719][ T4639] attempt to access beyond end of device [ 57.589719][ T4639] loop0: rw=2051, want=18014398509498368, limit=32768 [ 57.591627][ T4639] JFS: sb_issue_discard(00000000f1a6b59e, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.593262][ T4639] blkno = 8000000000400, nblocks = 400 [ 57.594459][ T4639] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.594459][ T4639] [ 57.600309][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11980d [ 57.601483][ T4294] page:0000000093224eba refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11980d [ 57.603074][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.604726][ T4294] raw: 05ffc00000002006 fffffc00033a4248 ffff80001f1f75c0 0000000000000000 [ 57.606036][ T4294] raw: 0000000000000004 ffff0000c1f206c8 00000000ffffffff 0000000000000000 [ 57.607408][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.608533][ T4294] Modules linked in: [ 57.609170][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.610567][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.612086][ T4294] Call trace: [ 57.612595][ T4294] dump_backtrace+0x0/0x458 [ 57.613225][ T4294] show_stack+0x2c/0x3c [ 57.613846][ T4294] __dump_stack+0x30/0x40 [ 57.614489][ T4294] dump_stack_lvl+0xf4/0x15c [ 57.615153][ T4294] dump_stack+0x1c/0x5c [ 57.615749][ T4294] bad_page+0x188/0x1a8 [ 57.616380][ T4294] check_free_page_bad+0xf4/0x16c [ 57.617121][ T4294] free_unref_page_prepare+0x738/0xa84 [ 57.617933][ T4294] free_unref_page_list+0xdc/0x730 [ 57.618668][ T4294] release_pages+0x13bc/0x16dc [ 57.619378][ T4294] __pagevec_release+0x84/0xf8 [ 57.620094][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 57.620957][ T4294] truncate_inode_pages+0x2c/0x3c [ 57.621724][ T4294] dbUnmount+0xf4/0x168 [ 57.622348][ T4294] jfs_umount+0x1c4/0x328 [ 57.622955][ T4294] jfs_put_super+0x90/0x188 [ 57.623618][ T4294] generic_shutdown_super+0x130/0x2f0 [ 57.624408][ T4294] kill_block_super+0x70/0xdc [ 57.625096][ T4294] deactivate_locked_super+0xb8/0x134 [ 57.625860][ T4294] deactivate_super+0xf0/0x110 [ 57.626592][ T4294] cleanup_mnt+0x3b8/0x46c [ 57.627241][ T4294] __cleanup_mnt+0x20/0x30 [ 57.627858][ T4294] task_work_run+0x12c/0x1d8 [ 57.628502][ T4294] do_notify_resume+0x2450/0x309c [ 57.629256][ T4294] el0_svc+0xf0/0x1d0 [ 57.629839][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 57.630659][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 57.756967][ T4641] loop0: detected capacity change from 0 to 32768 [ 57.809628][ T4641] ERROR: (device loop0): dbDiscardAG: -EIO [ 57.809628][ T4641] [ 57.811008][ T4641] attempt to access beyond end of device [ 57.811008][ T4641] loop0: rw=2051, want=18014398509498368, limit=32768 [ 57.813021][ T4641] JFS: sb_issue_discard(00000000e3d8c196, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 57.814995][ T4641] blkno = 8000000000400, nblocks = 400 [ 57.815846][ T4641] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 57.815846][ T4641] [ 57.820825][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11e7c3 [ 57.821920][ T4294] page:000000006235eeca refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11e7c3 [ 57.823942][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 57.825496][ T4294] raw: 05ffc00000002006 fffffc000379f588 ffff80001f1f75c0 0000000000000000 [ 57.826863][ T4294] raw: 0000000000000004 ffff0000d85551f0 00000000ffffffff 0000000000000000 [ 57.828223][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 57.829360][ T4294] Modules linked in: [ 57.830026][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 57.831543][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.833121][ T4294] Call trace: [ 57.833584][ T4294] dump_backtrace+0x0/0x458 [ 57.834278][ T4294] show_stack+0x2c/0x3c [ 57.834940][ T4294] __dump_stack+0x30/0x40 [ 57.835672][ T4294] dump_stack_lvl+0xf4/0x15c [ 57.836402][ T4294] dump_stack+0x1c/0x5c [ 57.837087][ T4294] bad_page+0x188/0x1a8 [ 57.837761][ T4294] check_free_page_bad+0xf4/0x16c [ 57.838585][ T4294] free_unref_page_prepare+0x738/0xa84 [ 57.839494][ T4294] free_unref_page_list+0xdc/0x730 [ 57.840323][ T4294] release_pages+0x13bc/0x16dc [ 57.841115][ T4294] __pagevec_release+0x84/0xf8 [ 57.841907][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 57.842896][ T4294] truncate_inode_pages+0x2c/0x3c [ 57.843677][ T4294] dbUnmount+0xf4/0x168 [ 57.844338][ T4294] jfs_umount+0x1c4/0x328 [ 57.845057][ T4294] jfs_put_super+0x90/0x188 [ 57.845814][ T4294] generic_shutdown_super+0x130/0x2f0 [ 57.846662][ T4294] kill_block_super+0x70/0xdc [ 57.847425][ T4294] deactivate_locked_super+0xb8/0x134 [ 57.848272][ T4294] deactivate_super+0xf0/0x110 [ 57.848993][ T4294] cleanup_mnt+0x3b8/0x46c [ 57.849653][ T4294] __cleanup_mnt+0x20/0x30 [ 57.850317][ T4294] task_work_run+0x12c/0x1d8 [ 57.851036][ T4294] do_notify_resume+0x2450/0x309c [ 57.851876][ T4294] el0_svc+0xf0/0x1d0 [ 57.852562][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 57.853391][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 57.966011][ T4643] loop0: detected capacity change from 0 to 32768 [ 58.006005][ T4643] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.006005][ T4643] [ 58.007335][ T4643] attempt to access beyond end of device [ 58.007335][ T4643] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.009181][ T4643] JFS: sb_issue_discard(00000000963cc784, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.010914][ T4643] blkno = 8000000000400, nblocks = 400 [ 58.011769][ T4643] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.011769][ T4643] [ 58.016608][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11e7e8 [ 58.017747][ T4294] page:00000000adaa8937 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11e7e8 [ 58.019369][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.020838][ T4294] raw: 05ffc00000002006 fffffc00036c1d08 ffff80001f1f75c0 0000000000000000 [ 58.022117][ T4294] raw: 0000000000000004 ffff0000d8555c98 00000000ffffffff 0000000000000000 [ 58.023383][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.024540][ T4294] Modules linked in: [ 58.025124][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.026443][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.027870][ T4294] Call trace: [ 58.028344][ T4294] dump_backtrace+0x0/0x458 [ 58.028981][ T4294] show_stack+0x2c/0x3c [ 58.029615][ T4294] __dump_stack+0x30/0x40 [ 58.030288][ T4294] dump_stack_lvl+0xf4/0x15c [ 58.030959][ T4294] dump_stack+0x1c/0x5c [ 58.031577][ T4294] bad_page+0x188/0x1a8 [ 58.032256][ T4294] check_free_page_bad+0xf4/0x16c [ 58.033100][ T4294] free_unref_page_prepare+0x738/0xa84 [ 58.033993][ T4294] free_unref_page_list+0xdc/0x730 [ 58.034815][ T4294] release_pages+0x13bc/0x16dc [ 58.035573][ T4294] __pagevec_release+0x84/0xf8 [ 58.036380][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 58.037289][ T4294] truncate_inode_pages+0x2c/0x3c [ 58.038071][ T4294] dbUnmount+0xf4/0x168 [ 58.038756][ T4294] jfs_umount+0x1c4/0x328 [ 58.039388][ T4294] jfs_put_super+0x90/0x188 [ 58.040091][ T4294] generic_shutdown_super+0x130/0x2f0 [ 58.040944][ T4294] kill_block_super+0x70/0xdc [ 58.041595][ T4294] deactivate_locked_super+0xb8/0x134 [ 58.042355][ T4294] deactivate_super+0xf0/0x110 [ 58.043053][ T4294] cleanup_mnt+0x3b8/0x46c [ 58.043698][ T4294] __cleanup_mnt+0x20/0x30 [ 58.044375][ T4294] task_work_run+0x12c/0x1d8 [ 58.045178][ T4294] do_notify_resume+0x2450/0x309c [ 58.045993][ T4294] el0_svc+0xf0/0x1d0 [ 58.046639][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 58.047449][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 58.093634][ T1540] Bluetooth: hci0: command 0x0419 tx timeout [ 58.124160][ T4645] loop0: detected capacity change from 0 to 32768 [ 58.175705][ T4645] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.175705][ T4645] [ 58.177010][ T4645] attempt to access beyond end of device [ 58.177010][ T4645] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.179028][ T4645] JFS: sb_issue_discard(00000000c355944c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.180647][ T4645] blkno = 8000000000400, nblocks = 400 [ 58.181504][ T4645] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.181504][ T4645] [ 58.185995][ T4294] BUG: Bad page state in process syz-executor.0 pfn:119e88 [ 58.187211][ T4294] page:00000000a2634ad1 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x119e88 [ 58.188892][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.190448][ T4294] raw: 05ffc00000002006 fffffc000322bb48 ffff80001f1f75c0 0000000000000000 [ 58.191842][ T4294] raw: 0000000000000004 ffff0000d23887c0 00000000ffffffff 0000000000000000 [ 58.193108][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.194692][ T4294] Modules linked in: [ 58.195295][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.196802][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.198386][ T4294] Call trace: [ 58.198884][ T4294] dump_backtrace+0x0/0x458 [ 58.199564][ T4294] show_stack+0x2c/0x3c [ 58.200183][ T4294] __dump_stack+0x30/0x40 [ 58.200827][ T4294] dump_stack_lvl+0xf4/0x15c [ 58.201507][ T4294] dump_stack+0x1c/0x5c [ 58.202108][ T4294] bad_page+0x188/0x1a8 [ 58.202711][ T4294] check_free_page_bad+0xf4/0x16c [ 58.203438][ T4294] free_unref_page_prepare+0x738/0xa84 [ 58.204235][ T4294] free_unref_page_list+0xdc/0x730 [ 58.204973][ T4294] release_pages+0x13bc/0x16dc [ 58.205632][ T4294] __pagevec_release+0x84/0xf8 [ 58.206464][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 58.207401][ T4294] truncate_inode_pages+0x2c/0x3c [ 58.208207][ T4294] dbUnmount+0xf4/0x168 [ 58.208809][ T4294] jfs_umount+0x1c4/0x328 [ 58.209564][ T4294] jfs_put_super+0x90/0x188 [ 58.210322][ T4294] generic_shutdown_super+0x130/0x2f0 [ 58.211158][ T4294] kill_block_super+0x70/0xdc [ 58.211882][ T4294] deactivate_locked_super+0xb8/0x134 [ 58.212671][ T4294] deactivate_super+0xf0/0x110 [ 58.213387][ T4294] cleanup_mnt+0x3b8/0x46c [ 58.214045][ T4294] __cleanup_mnt+0x20/0x30 [ 58.214697][ T4294] task_work_run+0x12c/0x1d8 [ 58.215403][ T4294] do_notify_resume+0x2450/0x309c [ 58.216202][ T4294] el0_svc+0xf0/0x1d0 [ 58.216867][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 58.217703][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 58.377314][ T4647] loop0: detected capacity change from 0 to 32768 [ 58.449591][ T4647] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.449591][ T4647] [ 58.450980][ T4647] attempt to access beyond end of device [ 58.450980][ T4647] loop0: rw=2051, want=18014398509498368, limit=32768 [ 58.452772][ T4647] JFS: sb_issue_discard(00000000342b570c, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.454517][ T4647] blkno = 8000000000400, nblocks = 400 [ 58.455400][ T4647] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.455400][ T4647] [ 58.460372][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11ab6d [ 58.461494][ T4294] page:00000000cd5ad85d refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11ab6d [ 58.463218][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.465184][ T4294] raw: 05ffc00000002006 fffffc000339b408 ffff80001f1f75c0 0000000000000000 [ 58.466581][ T4294] raw: 0000000000000004 ffff0000ccc782e8 00000000ffffffff 0000000000000000 [ 58.467871][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.469051][ T4294] Modules linked in: [ 58.469711][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.471186][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.472741][ T4294] Call trace: [ 58.473238][ T4294] dump_backtrace+0x0/0x458 [ 58.473932][ T4294] show_stack+0x2c/0x3c [ 58.474615][ T4294] __dump_stack+0x30/0x40 [ 58.475282][ T4294] dump_stack_lvl+0xf4/0x15c [ 58.476074][ T4294] dump_stack+0x1c/0x5c [ 58.476790][ T4294] bad_page+0x188/0x1a8 [ 58.477453][ T4294] check_free_page_bad+0xf4/0x16c [ 58.478256][ T4294] free_unref_page_prepare+0x738/0xa84 [ 58.479133][ T4294] free_unref_page_list+0xdc/0x730 [ 58.479954][ T4294] release_pages+0x13bc/0x16dc [ 58.480759][ T4294] __pagevec_release+0x84/0xf8 [ 58.481487][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 58.482358][ T4294] truncate_inode_pages+0x2c/0x3c [ 58.483111][ T4294] dbUnmount+0xf4/0x168 [ 58.483738][ T4294] jfs_umount+0x1c4/0x328 [ 58.484389][ T4294] jfs_put_super+0x90/0x188 [ 58.485067][ T4294] generic_shutdown_super+0x130/0x2f0 [ 58.485902][ T4294] kill_block_super+0x70/0xdc [ 58.486575][ T4294] deactivate_locked_super+0xb8/0x134 [ 58.487347][ T4294] deactivate_super+0xf0/0x110 [ 58.488010][ T4294] cleanup_mnt+0x3b8/0x46c [ 58.488612][ T4294] __cleanup_mnt+0x20/0x30 [ 58.489220][ T4294] task_work_run+0x12c/0x1d8 [ 58.489883][ T4294] do_notify_resume+0x2450/0x309c [ 58.490603][ T4294] el0_svc+0xf0/0x1d0 [ 58.491301][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 58.492086][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 58.709064][ T4649] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.709064][ T4649] [ 58.710447][ T4649] JFS: sb_issue_discard(00000000b957bcc7, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.712128][ T4649] blkno = 8000000000400, nblocks = 400 [ 58.712962][ T4649] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.712962][ T4649] [ 58.722881][ T4650] BUG: Bad page state in process syz-executor.0 pfn:1121dd [ 58.724030][ T4650] page:000000009eebb8b8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1121dd [ 58.725574][ T4650] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.727233][ T4650] raw: 05ffc00000002006 fffffc00036a5608 ffff80001f297920 0000000000000000 [ 58.728668][ T4650] raw: 0000000000000004 ffff0000ccc78d90 00000000ffffffff 0000000000000000 [ 58.730055][ T4650] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.731222][ T4650] Modules linked in: [ 58.731850][ T4650] CPU: 0 PID: 4650 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.733228][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.734859][ T4650] Call trace: [ 58.735409][ T4650] dump_backtrace+0x0/0x458 [ 58.736163][ T4650] show_stack+0x2c/0x3c [ 58.736863][ T4650] __dump_stack+0x30/0x40 [ 58.737589][ T4650] dump_stack_lvl+0xf4/0x15c [ 58.738315][ T4650] dump_stack+0x1c/0x5c [ 58.738970][ T4650] bad_page+0x188/0x1a8 [ 58.739693][ T4650] check_free_page_bad+0xf4/0x16c [ 58.740483][ T4650] free_unref_page_prepare+0x738/0xa84 [ 58.741417][ T4650] free_unref_page_list+0xdc/0x730 [ 58.742294][ T4650] release_pages+0x13bc/0x16dc [ 58.743075][ T4650] __pagevec_lru_add+0x1280/0x1588 [ 58.743925][ T4650] lru_cache_add+0x470/0x6dc [ 58.744705][ T4650] lru_cache_add_inactive_or_unevictable+0x130/0x2f0 [ 58.745826][ T4650] handle_mm_fault+0x23a0/0x2a28 [ 58.746632][ T4650] do_page_fault+0x67c/0xab0 [ 58.747351][ T4650] do_translation_fault+0xe0/0x130 [ 58.748215][ T4650] do_mem_abort+0x6c/0x1ac [ 58.748955][ T4650] el0_da+0x90/0x1ec [ 58.749584][ T4650] el0t_64_sync_handler+0xd8/0xe4 [ 58.750420][ T4650] el0t_64_sync+0x1a0/0x1a4 [ 58.909980][ T4651] ERROR: (device loop0): dbDiscardAG: -EIO [ 58.909980][ T4651] [ 58.911255][ T4651] JFS: sb_issue_discard(000000007d7d9e0b, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 58.912864][ T4651] blkno = 8000000000400, nblocks = 400 [ 58.913801][ T4651] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 58.913801][ T4651] [ 58.917842][ T4294] BUG: Bad page state in process syz-executor.0 pfn:1199c4 [ 58.918866][ T4294] page:0000000011b2092e refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1199c4 [ 58.920296][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 58.921883][ T4294] raw: 05ffc00000002006 fffffc0003407308 ffff80001f1f75c0 0000000000000000 [ 58.923218][ T4294] raw: 0000000000000004 ffff0000cf0a72e8 00000000ffffffff 0000000000000000 [ 58.924639][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 58.925656][ T4294] Modules linked in: [ 58.926282][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 58.927628][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.929118][ T4294] Call trace: [ 58.929559][ T4294] dump_backtrace+0x0/0x458 [ 58.930298][ T4294] show_stack+0x2c/0x3c [ 58.930917][ T4294] __dump_stack+0x30/0x40 [ 58.931534][ T4294] dump_stack_lvl+0xf4/0x15c [ 58.932292][ T4294] dump_stack+0x1c/0x5c [ 58.932907][ T4294] bad_page+0x188/0x1a8 [ 58.933490][ T4294] check_free_page_bad+0xf4/0x16c [ 58.934273][ T4294] free_unref_page_prepare+0x738/0xa84 [ 58.935113][ T4294] free_unref_page_list+0xdc/0x730 [ 58.935912][ T4294] release_pages+0x13bc/0x16dc [ 58.936703][ T4294] __pagevec_release+0x84/0xf8 [ 58.937511][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 58.938443][ T4294] truncate_inode_pages+0x2c/0x3c [ 58.939220][ T4294] dbUnmount+0xf4/0x168 [ 58.939865][ T4294] jfs_umount+0x1c4/0x328 [ 58.940519][ T4294] jfs_put_super+0x90/0x188 [ 58.941215][ T4294] generic_shutdown_super+0x130/0x2f0 [ 58.942014][ T4294] kill_block_super+0x70/0xdc [ 58.942715][ T4294] deactivate_locked_super+0xb8/0x134 [ 58.943538][ T4294] deactivate_super+0xf0/0x110 [ 58.944224][ T4294] cleanup_mnt+0x3b8/0x46c [ 58.944890][ T4294] __cleanup_mnt+0x20/0x30 [ 58.945624][ T4294] task_work_run+0x12c/0x1d8 [ 58.946452][ T4294] do_notify_resume+0x2450/0x309c [ 58.947283][ T4294] el0_svc+0xf0/0x1d0 [ 58.947966][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 58.948758][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 59.111057][ T4653] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.111057][ T4653] [ 59.112358][ T4653] JFS: sb_issue_discard(00000000941700df, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.114742][ T4653] blkno = 8000000000400, nblocks = 400 [ 59.115945][ T4653] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.115945][ T4653] [ 59.120722][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11a8ff [ 59.121803][ T4294] page:00000000f58decfa refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11a8ff [ 59.123365][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.125287][ T4294] raw: 05ffc00000002006 fffffc0003282cc8 ffff80001f1f75c0 0000000000000000 [ 59.126533][ T4294] raw: 0000000000000004 ffff0000cf0a7d90 00000000ffffffff 0000000000000000 [ 59.127753][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.128772][ T4294] Modules linked in: [ 59.129345][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.130642][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.132288][ T4294] Call trace: [ 59.132831][ T4294] dump_backtrace+0x0/0x458 [ 59.133609][ T4294] show_stack+0x2c/0x3c [ 59.134333][ T4294] __dump_stack+0x30/0x40 [ 59.135058][ T4294] dump_stack_lvl+0xf4/0x15c [ 59.135799][ T4294] dump_stack+0x1c/0x5c [ 59.136459][ T4294] bad_page+0x188/0x1a8 [ 59.137151][ T4294] check_free_page_bad+0xf4/0x16c [ 59.138008][ T4294] free_unref_page_prepare+0x738/0xa84 [ 59.138931][ T4294] free_unref_page_list+0xdc/0x730 [ 59.139733][ T4294] release_pages+0x13bc/0x16dc [ 59.140464][ T4294] __pagevec_release+0x84/0xf8 [ 59.141192][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 59.142074][ T4294] truncate_inode_pages+0x2c/0x3c [ 59.142855][ T4294] dbUnmount+0xf4/0x168 [ 59.143539][ T4294] jfs_umount+0x1c4/0x328 [ 59.144224][ T4294] jfs_put_super+0x90/0x188 [ 59.145009][ T4294] generic_shutdown_super+0x130/0x2f0 [ 59.145916][ T4294] kill_block_super+0x70/0xdc [ 59.146707][ T4294] deactivate_locked_super+0xb8/0x134 [ 59.147589][ T4294] deactivate_super+0xf0/0x110 [ 59.148352][ T4294] cleanup_mnt+0x3b8/0x46c [ 59.149097][ T4294] __cleanup_mnt+0x20/0x30 [ 59.149828][ T4294] task_work_run+0x12c/0x1d8 [ 59.150588][ T4294] do_notify_resume+0x2450/0x309c [ 59.151400][ T4294] el0_svc+0xf0/0x1d0 [ 59.152102][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 59.152953][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 59.329095][ T4655] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.329095][ T4655] [ 59.330387][ T4655] JFS: sb_issue_discard(000000007f27cfb2, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.331990][ T4655] blkno = 8000000000400, nblocks = 400 [ 59.332788][ T4655] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.332788][ T4655] [ 59.337007][ T4294] BUG: Bad page state in process syz-executor.0 pfn:119e87 [ 59.338208][ T4294] page:0000000045f51b68 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x119e87 [ 59.339773][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.341310][ T4294] raw: 05ffc00000002006 fffffc00036a0c48 ffff80001f1f75c0 0000000000000000 [ 59.342629][ T4294] raw: 0000000000000004 ffff0000da9491f0 00000000ffffffff 0000000000000000 [ 59.344028][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.345270][ T4294] Modules linked in: [ 59.345886][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.347381][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.349010][ T4294] Call trace: [ 59.349514][ T4294] dump_backtrace+0x0/0x458 [ 59.350207][ T4294] show_stack+0x2c/0x3c [ 59.350854][ T4294] __dump_stack+0x30/0x40 [ 59.351532][ T4294] dump_stack_lvl+0xf4/0x15c [ 59.352270][ T4294] dump_stack+0x1c/0x5c [ 59.352902][ T4294] bad_page+0x188/0x1a8 [ 59.353492][ T4294] check_free_page_bad+0xf4/0x16c [ 59.354279][ T4294] free_unref_page_prepare+0x738/0xa84 [ 59.355080][ T4294] free_unref_page_list+0xdc/0x730 [ 59.355821][ T4294] release_pages+0x13bc/0x16dc [ 59.356614][ T4294] __pagevec_release+0x84/0xf8 [ 59.357393][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 59.358362][ T4294] truncate_inode_pages+0x2c/0x3c [ 59.359186][ T4294] dbUnmount+0xf4/0x168 [ 59.359858][ T4294] jfs_umount+0x1c4/0x328 [ 59.360611][ T4294] jfs_put_super+0x90/0x188 [ 59.361378][ T4294] generic_shutdown_super+0x130/0x2f0 [ 59.362232][ T4294] kill_block_super+0x70/0xdc [ 59.362947][ T4294] deactivate_locked_super+0xb8/0x134 [ 59.363802][ T4294] deactivate_super+0xf0/0x110 [ 59.364580][ T4294] cleanup_mnt+0x3b8/0x46c [ 59.365257][ T4294] __cleanup_mnt+0x20/0x30 [ 59.365983][ T4294] task_work_run+0x12c/0x1d8 [ 59.366699][ T4294] do_notify_resume+0x2450/0x309c [ 59.367543][ T4294] el0_svc+0xf0/0x1d0 [ 59.368158][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 59.368995][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 59.548875][ T4657] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.548875][ T4657] [ 59.550328][ T4657] JFS: sb_issue_discard(00000000a0d42aeb, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.551981][ T4657] blkno = 8000000000400, nblocks = 400 [ 59.552830][ T4657] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.552830][ T4657] [ 59.568682][ T4294] BUG: Bad page state in process syz-executor.0 pfn:112569 [ 59.569811][ T4294] page:00000000be792b05 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x112569 [ 59.571544][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.573334][ T4294] raw: 05ffc00000002006 fffffc00036f3348 ffff80001f1f75c0 0000000000000000 [ 59.574841][ T4294] raw: 0000000000000004 ffff0000cf5778b8 00000000ffffffff 0000000000000000 [ 59.576289][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.577392][ T4294] Modules linked in: [ 59.578004][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.579466][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.581135][ T4294] Call trace: [ 59.581636][ T4294] dump_backtrace+0x0/0x458 [ 59.582391][ T4294] show_stack+0x2c/0x3c [ 59.583040][ T4294] __dump_stack+0x30/0x40 [ 59.583710][ T4294] dump_stack_lvl+0xf4/0x15c [ 59.584407][ T4294] dump_stack+0x1c/0x5c [ 59.585060][ T4294] bad_page+0x188/0x1a8 [ 59.585720][ T4294] check_free_page_bad+0xf4/0x16c [ 59.586500][ T4294] free_unref_page_prepare+0x738/0xa84 [ 59.587359][ T4294] free_unref_page_list+0xdc/0x730 [ 59.588212][ T4294] release_pages+0x13bc/0x16dc [ 59.588953][ T4294] __pagevec_release+0x84/0xf8 [ 59.589725][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 59.590603][ T4294] truncate_inode_pages+0x2c/0x3c [ 59.591374][ T4294] dbUnmount+0xf4/0x168 [ 59.592069][ T4294] jfs_umount+0x1c4/0x328 [ 59.592789][ T4294] jfs_put_super+0x90/0x188 [ 59.593489][ T4294] generic_shutdown_super+0x130/0x2f0 [ 59.594295][ T4294] kill_block_super+0x70/0xdc [ 59.594999][ T4294] deactivate_locked_super+0xb8/0x134 [ 59.595807][ T4294] deactivate_super+0xf0/0x110 [ 59.596565][ T4294] cleanup_mnt+0x3b8/0x46c [ 59.597312][ T4294] __cleanup_mnt+0x20/0x30 [ 59.597961][ T4294] task_work_run+0x12c/0x1d8 [ 59.598675][ T4294] do_notify_resume+0x2450/0x309c [ 59.599458][ T4294] el0_svc+0xf0/0x1d0 [ 59.600105][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 59.600881][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 59.770249][ T4659] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.770249][ T4659] [ 59.771578][ T4659] JFS: sb_issue_discard(00000000e8f2afba, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.773197][ T4659] blkno = 8000000000400, nblocks = 400 [ 59.774198][ T4659] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.774198][ T4659] [ 59.779498][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11ccb9 [ 59.780652][ T4294] page:00000000867a2de2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11ccb9 [ 59.782224][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.784043][ T4294] raw: 05ffc00000002006 fffffc000349ce48 ffff80001f1f75c0 0000000000000000 [ 59.785409][ T4294] raw: 0000000000000004 ffff0000e40106c8 00000000ffffffff 0000000000000000 [ 59.786636][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.787750][ T4294] Modules linked in: [ 59.788377][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.789726][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.791301][ T4294] Call trace: [ 59.791825][ T4294] dump_backtrace+0x0/0x458 [ 59.792478][ T4294] show_stack+0x2c/0x3c [ 59.793113][ T4294] __dump_stack+0x30/0x40 [ 59.793726][ T4294] dump_stack_lvl+0xf4/0x15c [ 59.794429][ T4294] dump_stack+0x1c/0x5c [ 59.795068][ T4294] bad_page+0x188/0x1a8 [ 59.795654][ T4294] check_free_page_bad+0xf4/0x16c [ 59.796373][ T4294] free_unref_page_prepare+0x738/0xa84 [ 59.797149][ T4294] free_unref_page_list+0xdc/0x730 [ 59.797868][ T4294] release_pages+0x13bc/0x16dc [ 59.798682][ T4294] __pagevec_release+0x84/0xf8 [ 59.799458][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 59.800343][ T4294] truncate_inode_pages+0x2c/0x3c [ 59.801135][ T4294] dbUnmount+0xf4/0x168 [ 59.801756][ T4294] jfs_umount+0x1c4/0x328 [ 59.802413][ T4294] jfs_put_super+0x90/0x188 [ 59.803066][ T4294] generic_shutdown_super+0x130/0x2f0 [ 59.803895][ T4294] kill_block_super+0x70/0xdc [ 59.804606][ T4294] deactivate_locked_super+0xb8/0x134 [ 59.805553][ T4294] deactivate_super+0xf0/0x110 [ 59.806378][ T4294] cleanup_mnt+0x3b8/0x46c [ 59.807086][ T4294] __cleanup_mnt+0x20/0x30 [ 59.807774][ T4294] task_work_run+0x12c/0x1d8 [ 59.808496][ T4294] do_notify_resume+0x2450/0x309c [ 59.809237][ T4294] el0_svc+0xf0/0x1d0 [ 59.809839][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 59.810575][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 59.889742][ T4661] ERROR: (device loop0): dbDiscardAG: -EIO [ 59.889742][ T4661] [ 59.890962][ T4661] JFS: sb_issue_discard(000000000015491d, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 59.892409][ T4661] blkno = 8000000000400, nblocks = 400 [ 59.893207][ T4661] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 59.893207][ T4661] [ 59.897335][ T4294] BUG: Bad page state in process syz-executor.0 pfn:11b211 [ 59.898530][ T4294] page:000000001b7d0253 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b211 [ 59.900170][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 59.901727][ T4294] raw: 05ffc00000002006 fffffc0003046a88 ffff80001f1f75c0 0000000000000000 [ 59.903087][ T4294] raw: 0000000000000004 ffff0000c8a6c3e0 00000000ffffffff 0000000000000000 [ 59.905615][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 59.906734][ T4294] Modules linked in: [ 59.907321][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 59.908532][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.909881][ T4294] Call trace: [ 59.910315][ T4294] dump_backtrace+0x0/0x458 [ 59.910936][ T4294] show_stack+0x2c/0x3c [ 59.911598][ T4294] __dump_stack+0x30/0x40 [ 59.912291][ T4294] dump_stack_lvl+0xf4/0x15c [ 59.913008][ T4294] dump_stack+0x1c/0x5c [ 59.913694][ T4294] bad_page+0x188/0x1a8 [ 59.914380][ T4294] check_free_page_bad+0xf4/0x16c [ 59.915220][ T4294] free_unref_page_prepare+0x738/0xa84 [ 59.916158][ T4294] free_unref_page_list+0xdc/0x730 [ 59.916974][ T4294] release_pages+0x13bc/0x16dc [ 59.917706][ T4294] __pagevec_release+0x84/0xf8 [ 59.918445][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 59.919355][ T4294] truncate_inode_pages+0x2c/0x3c [ 59.920190][ T4294] dbUnmount+0xf4/0x168 [ 59.920886][ T4294] jfs_umount+0x1c4/0x328 [ 59.921562][ T4294] jfs_put_super+0x90/0x188 [ 59.922242][ T4294] generic_shutdown_super+0x130/0x2f0 [ 59.923226][ T4294] kill_block_super+0x70/0xdc [ 59.924033][ T4294] deactivate_locked_super+0xb8/0x134 [ 59.924894][ T4294] deactivate_super+0xf0/0x110 [ 59.925697][ T4294] cleanup_mnt+0x3b8/0x46c [ 59.926440][ T4294] __cleanup_mnt+0x20/0x30 [ 59.927195][ T4294] task_work_run+0x12c/0x1d8 [ 59.927926][ T4294] do_notify_resume+0x2450/0x309c [ 59.928782][ T4294] el0_svc+0xf0/0x1d0 [ 59.929436][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 59.930247][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 60.018443][ T4663] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.018443][ T4663] [ 60.019840][ T4663] JFS: sb_issue_discard(00000000daf82bb6, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.021570][ T4663] blkno = 8000000000400, nblocks = 400 [ 60.022492][ T4663] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.022492][ T4663] 1970/01/01 00:01:00 executed programs: 41 [ 60.028736][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10a502 [ 60.029912][ T4294] page:00000000c7ede4bb refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a502 [ 60.031456][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.033051][ T4294] raw: 05ffc00000002006 fffffc00032a90c8 ffff80001f1f75c0 0000000000000000 [ 60.034944][ T4294] raw: 0000000000000004 ffff0000cddda000 00000000ffffffff 0000000000000000 [ 60.036191][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.037245][ T4294] Modules linked in: [ 60.037830][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.039236][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 60.040653][ T4294] Call trace: [ 60.041129][ T4294] dump_backtrace+0x0/0x458 [ 60.041736][ T4294] show_stack+0x2c/0x3c [ 60.042345][ T4294] __dump_stack+0x30/0x40 [ 60.042998][ T4294] dump_stack_lvl+0xf4/0x15c [ 60.043616][ T4294] dump_stack+0x1c/0x5c [ 60.044219][ T4294] bad_page+0x188/0x1a8 [ 60.044833][ T4294] check_free_page_bad+0xf4/0x16c [ 60.045590][ T4294] free_unref_page_prepare+0x738/0xa84 [ 60.046420][ T4294] free_unref_page_list+0xdc/0x730 [ 60.047146][ T4294] release_pages+0x13bc/0x16dc [ 60.047929][ T4294] __pagevec_release+0x84/0xf8 [ 60.048671][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 60.049555][ T4294] truncate_inode_pages+0x2c/0x3c [ 60.050359][ T4294] dbUnmount+0xf4/0x168 [ 60.050991][ T4294] jfs_umount+0x1c4/0x328 [ 60.051626][ T4294] jfs_put_super+0x90/0x188 [ 60.052279][ T4294] generic_shutdown_super+0x130/0x2f0 [ 60.053075][ T4294] kill_block_super+0x70/0xdc [ 60.053884][ T4294] deactivate_locked_super+0xb8/0x134 [ 60.054760][ T4294] deactivate_super+0xf0/0x110 [ 60.055521][ T4294] cleanup_mnt+0x3b8/0x46c [ 60.056168][ T4294] __cleanup_mnt+0x20/0x30 [ 60.056942][ T4294] task_work_run+0x12c/0x1d8 [ 60.057691][ T4294] do_notify_resume+0x2450/0x309c [ 60.058527][ T4294] el0_svc+0xf0/0x1d0 [ 60.059179][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 60.060006][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 60.253647][ T4665] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.253647][ T4665] [ 60.255056][ T4665] JFS: sb_issue_discard(00000000d33d25c0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.256736][ T4665] blkno = 8000000000400, nblocks = 400 [ 60.257564][ T4665] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.257564][ T4665] [ 60.263237][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10847e [ 60.264710][ T4294] page:00000000215c7c52 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10847e [ 60.266181][ T4294] flags: 0x5ffc00000002004(uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.267573][ T4294] raw: 05ffc00000002004 fffffc000326f008 ffff80001f1f75c0 0000000000000000 [ 60.268895][ T4294] raw: 0000000000000004 ffff0000c8a6c6c8 00000000ffffffff 0000000000000000 [ 60.270228][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.271404][ T4294] Modules linked in: [ 60.272034][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.273393][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 60.274892][ T4294] Call trace: [ 60.275392][ T4294] dump_backtrace+0x0/0x458 [ 60.276172][ T4294] show_stack+0x2c/0x3c [ 60.276919][ T4294] __dump_stack+0x30/0x40 [ 60.277679][ T4294] dump_stack_lvl+0xf4/0x15c [ 60.278404][ T4294] dump_stack+0x1c/0x5c [ 60.279075][ T4294] bad_page+0x188/0x1a8 [ 60.279691][ T4294] check_free_page_bad+0xf4/0x16c [ 60.280498][ T4294] free_unref_page_prepare+0x738/0xa84 [ 60.281407][ T4294] free_unref_page_list+0xdc/0x730 [ 60.282257][ T4294] release_pages+0x13bc/0x16dc [ 60.283080][ T4294] __pagevec_release+0x84/0xf8 [ 60.283873][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 60.284799][ T4294] truncate_inode_pages+0x2c/0x3c [ 60.285630][ T4294] dbUnmount+0xf4/0x168 [ 60.286318][ T4294] jfs_umount+0x1c4/0x328 [ 60.287010][ T4294] jfs_put_super+0x90/0x188 [ 60.287695][ T4294] generic_shutdown_super+0x130/0x2f0 [ 60.288503][ T4294] kill_block_super+0x70/0xdc [ 60.289206][ T4294] deactivate_locked_super+0xb8/0x134 [ 60.290129][ T4294] deactivate_super+0xf0/0x110 [ 60.290898][ T4294] cleanup_mnt+0x3b8/0x46c [ 60.291626][ T4294] __cleanup_mnt+0x20/0x30 [ 60.292351][ T4294] task_work_run+0x12c/0x1d8 [ 60.293035][ T4294] do_notify_resume+0x2450/0x309c [ 60.293799][ T4294] el0_svc+0xf0/0x1d0 [ 60.294445][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 60.295237][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 60.519872][ T4667] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.519872][ T4667] [ 60.521384][ T4667] JFS: sb_issue_discard(000000004aeaa7a0, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.523048][ T4667] blkno = 8000000000400, nblocks = 400 [ 60.524207][ T4667] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.524207][ T4667] [ 60.528324][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10a289 [ 60.529482][ T4294] page:000000001d3181a8 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a289 [ 60.531044][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.532632][ T4294] raw: 05ffc00000002006 fffffc00034d07c8 ffff80001f1f75c0 0000000000000000 [ 60.534421][ T4294] raw: 0000000000000004 ffff0000d17171f0 00000000ffffffff 0000000000000000 [ 60.535662][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.536841][ T4294] Modules linked in: [ 60.537443][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.538918][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 60.540612][ T4294] Call trace: [ 60.541116][ T4294] dump_backtrace+0x0/0x458 [ 60.541816][ T4294] show_stack+0x2c/0x3c [ 60.542482][ T4294] __dump_stack+0x30/0x40 [ 60.543184][ T4294] dump_stack_lvl+0xf4/0x15c [ 60.543899][ T4294] dump_stack+0x1c/0x5c [ 60.544587][ T4294] bad_page+0x188/0x1a8 [ 60.545310][ T4294] check_free_page_bad+0xf4/0x16c [ 60.546175][ T4294] free_unref_page_prepare+0x738/0xa84 [ 60.547074][ T4294] free_unref_page_list+0xdc/0x730 [ 60.547911][ T4294] release_pages+0x13bc/0x16dc [ 60.548676][ T4294] __pagevec_release+0x84/0xf8 [ 60.549432][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 60.550309][ T4294] truncate_inode_pages+0x2c/0x3c [ 60.551073][ T4294] dbUnmount+0xf4/0x168 [ 60.551764][ T4294] jfs_umount+0x1c4/0x328 [ 60.552404][ T4294] jfs_put_super+0x90/0x188 [ 60.553079][ T4294] generic_shutdown_super+0x130/0x2f0 [ 60.553923][ T4294] kill_block_super+0x70/0xdc [ 60.554644][ T4294] deactivate_locked_super+0xb8/0x134 [ 60.555549][ T4294] deactivate_super+0xf0/0x110 [ 60.556305][ T4294] cleanup_mnt+0x3b8/0x46c [ 60.557043][ T4294] __cleanup_mnt+0x20/0x30 [ 60.557812][ T4294] task_work_run+0x12c/0x1d8 [ 60.558515][ T4294] do_notify_resume+0x2450/0x309c [ 60.559365][ T4294] el0_svc+0xf0/0x1d0 [ 60.559964][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 60.560785][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 60.721591][ T4669] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.721591][ T4669] [ 60.722891][ T4669] JFS: sb_issue_discard(00000000c8002117, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.724703][ T4669] blkno = 8000000000400, nblocks = 400 [ 60.725653][ T4669] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.725653][ T4669] [ 60.729793][ T4294] BUG: Bad page state in process syz-executor.0 pfn:10a655 [ 60.730948][ T4294] page:000000006fbdb052 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x10a655 [ 60.732481][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.734062][ T4294] raw: 05ffc00000002006 fffffc0003451e48 ffff80001f1f75c0 0000000000000000 [ 60.735529][ T4294] raw: 0000000000000004 ffff0000d2c81ba0 00000000ffffffff 0000000000000000 [ 60.736798][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.737935][ T4294] Modules linked in: [ 60.738510][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.739941][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 60.741606][ T4294] Call trace: [ 60.742123][ T4294] dump_backtrace+0x0/0x458 [ 60.742859][ T4294] show_stack+0x2c/0x3c [ 60.743524][ T4294] __dump_stack+0x30/0x40 [ 60.744262][ T4294] dump_stack_lvl+0xf4/0x15c [ 60.744987][ T4294] dump_stack+0x1c/0x5c [ 60.745710][ T4294] bad_page+0x188/0x1a8 [ 60.746407][ T4294] check_free_page_bad+0xf4/0x16c [ 60.747274][ T4294] free_unref_page_prepare+0x738/0xa84 [ 60.748181][ T4294] free_unref_page_list+0xdc/0x730 [ 60.748993][ T4294] release_pages+0x13bc/0x16dc [ 60.749735][ T4294] __pagevec_release+0x84/0xf8 [ 60.750444][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 60.751314][ T4294] truncate_inode_pages+0x2c/0x3c [ 60.752130][ T4294] dbUnmount+0xf4/0x168 [ 60.752808][ T4294] jfs_umount+0x1c4/0x328 [ 60.753553][ T4294] jfs_put_super+0x90/0x188 [ 60.754313][ T4294] generic_shutdown_super+0x130/0x2f0 [ 60.755170][ T4294] kill_block_super+0x70/0xdc [ 60.755924][ T4294] deactivate_locked_super+0xb8/0x134 [ 60.756803][ T4294] deactivate_super+0xf0/0x110 [ 60.757566][ T4294] cleanup_mnt+0x3b8/0x46c [ 60.758242][ T4294] __cleanup_mnt+0x20/0x30 [ 60.758919][ T4294] task_work_run+0x12c/0x1d8 [ 60.759653][ T4294] do_notify_resume+0x2450/0x309c [ 60.760398][ T4294] el0_svc+0xf0/0x1d0 [ 60.760978][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 60.761679][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 60.938992][ T4671] ERROR: (device loop0): dbDiscardAG: -EIO [ 60.938992][ T4671] [ 60.940238][ T4671] JFS: sb_issue_discard(00000000d455e459, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 60.941879][ T4671] blkno = 8000000000400, nblocks = 400 [ 60.942713][ T4671] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 60.942713][ T4671] [ 60.948174][ T4294] BUG: Bad page state in process syz-executor.0 pfn:1151b4 [ 60.949307][ T4294] page:000000004cd77c8b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1151b4 [ 60.950934][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 60.952501][ T4294] raw: 05ffc00000002006 fffffc00034c2308 ffff80001f1f75c0 0000000000000000 [ 60.954366][ T4294] raw: 0000000000000004 ffff0000cddda6c8 00000000ffffffff 0000000000000000 [ 60.955827][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.957262][ T4294] Modules linked in: [ 60.958214][ T4294] CPU: 0 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 60.959639][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 60.961243][ T4294] Call trace: [ 60.961766][ T4294] dump_backtrace+0x0/0x458 [ 60.962447][ T4294] show_stack+0x2c/0x3c [ 60.963064][ T4294] __dump_stack+0x30/0x40 [ 60.963747][ T4294] dump_stack_lvl+0xf4/0x15c [ 60.964501][ T4294] dump_stack+0x1c/0x5c [ 60.965185][ T4294] bad_page+0x188/0x1a8 [ 60.965841][ T4294] check_free_page_bad+0xf4/0x16c [ 60.966700][ T4294] free_unref_page_prepare+0x738/0xa84 [ 60.967625][ T4294] free_unref_page_list+0xdc/0x730 [ 60.968418][ T4294] release_pages+0x13bc/0x16dc [ 60.969217][ T4294] __pagevec_release+0x84/0xf8 [ 60.969926][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 60.970766][ T4294] truncate_inode_pages+0x2c/0x3c [ 60.971496][ T4294] dbUnmount+0xf4/0x168 [ 60.972110][ T4294] jfs_umount+0x1c4/0x328 [ 60.972751][ T4294] jfs_put_super+0x90/0x188 [ 60.973423][ T4294] generic_shutdown_super+0x130/0x2f0 [ 60.974282][ T4294] kill_block_super+0x70/0xdc [ 60.974968][ T4294] deactivate_locked_super+0xb8/0x134 [ 60.975904][ T4294] deactivate_super+0xf0/0x110 [ 60.976695][ T4294] cleanup_mnt+0x3b8/0x46c [ 60.977453][ T4294] __cleanup_mnt+0x20/0x30 [ 60.978146][ T4294] task_work_run+0x12c/0x1d8 [ 60.978879][ T4294] do_notify_resume+0x2450/0x309c [ 60.979674][ T4294] el0_svc+0xf0/0x1d0 [ 60.980300][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 60.981094][ T4294] el0t_64_sync+0x1a0/0x1a4 [ 61.090328][ T4673] ERROR: (device loop0): dbDiscardAG: -EIO [ 61.090328][ T4673] [ 61.091606][ T4673] JFS: sb_issue_discard(00000000073dc982, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed! [ 61.093163][ T4673] blkno = 8000000000400, nblocks = 400 [ 61.094091][ T4673] ERROR: (device loop0): dbFree: block to be freed is outside the map [ 61.094091][ T4673] [ 61.098817][ T4294] BUG: Bad page state in process syz-executor.0 pfn:102f7b [ 61.100006][ T4294] page:0000000040cf48be refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x102f7b [ 61.101579][ T4294] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 61.103052][ T4294] raw: 05ffc00000002006 fffffc00033de6c8 ffff80001f1f75c0 0000000000000000 [ 61.110791][ T4294] raw: 0000000000000004 ffff0000c1bcb9b0 00000000ffffffff 0000000000000000 [ 61.112136][ T4294] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 61.113225][ T4294] Modules linked in: [ 61.114629][ T4294] CPU: 1 PID: 4294 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 61.116060][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 61.117607][ T4294] Call trace: [ 61.118090][ T4294] dump_backtrace+0x0/0x458 [ 61.118752][ T4294] show_stack+0x2c/0x3c [ 61.119372][ T4294] __dump_stack+0x30/0x40 [ 61.120035][ T4294] dump_stack_lvl+0xf4/0x15c [ 61.120726][ T4294] dump_stack+0x1c/0x5c [ 61.121426][ T4294] bad_page+0x188/0x1a8 [ 61.122111][ T4294] check_free_page_bad+0xf4/0x16c [ 61.122885][ T4294] free_unref_page_prepare+0x738/0xa84 [ 61.123762][ T4294] free_unref_page_list+0xdc/0x730 [ 61.124524][ T4294] release_pages+0x13bc/0x16dc [ 61.125390][ T4294] __pagevec_release+0x84/0xf8 [ 61.126165][ T4294] truncate_inode_pages_range+0x2c8/0xa04 [ 61.127114][ T4294] truncate_inode_pages+0x2c/0x3c [ 61.127937][ T4294] dbUnmount+0xf4/0x168 [ 61.128595][ T4294] jfs_umount+0x1c4/0x328 [ 61.129357][ T4294] jfs_put_super+0x90/0x188 [ 61.130253][ T4294] generic_shutdown_super+0x130/0x2f0 [ 61.131168][ T4294] kill_block_super+0x70/0xdc [ 61.131945][ T4294] deactivate_locked_super+0xb8/0x134 [ 61.132842][ T4294] deactivate_super+0xf0/0x110 [ 61.133650][ T4294] cleanup_mnt+0x3b8/0x46c [ 61.134411][ T4294] __cleanup_mnt+0x20/0x30 [ 61.135124][ T4294] task_work_run+0x12c/0x1d8 [ 61.135869][ T4294] do_notify_resume+0x2450/0x309c [ 61.136665][ T4294] el0_svc+0xf0/0x1d0 [ 61.137297][ T4294] el0t_64_sync_handler+0xcc/0xe4 [ 61.138103][ T4294] el0t_64_sync+0x1a0/0x1a4