Warning: Permanently added '10.128.10.28' (ED25519) to the list of known hosts. executing program [ 43.176138][ T4021] loop0: detected capacity change from 0 to 32768 [ 43.347537][ T4021] BUG: Bad page state in process syz-executor174 pfn:109a27 [ 43.349796][ T4021] page:00000000848929b0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x109a27 [ 43.352595][ T4021] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 43.355450][ T4021] raw: 05ffc00000002006 fffffc000327f1c8 ffff80001f0b75e0 0000000000000000 [ 43.357770][ T4021] raw: 0000000000000004 ffff0000c9fc6000 00000000ffffffff 0000000000000000 [ 43.360034][ T4021] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 43.362032][ T4021] Modules linked in: [ 43.363124][ T4021] CPU: 1 PID: 4021 Comm: syz-executor174 Not tainted 5.15.181-syzkaller #0 [ 43.365486][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 43.368360][ T4021] Call trace: [ 43.369213][ T4021] dump_backtrace+0x0/0x43c [ 43.370479][ T4021] show_stack+0x2c/0x3c [ 43.371612][ T4021] __dump_stack+0x30/0x40 [ 43.372809][ T4021] dump_stack_lvl+0xf8/0x160 [ 43.374066][ T4021] dump_stack+0x1c/0x5c [ 43.375254][ T4021] bad_page+0x188/0x1a8 [ 43.376467][ T4021] check_free_page_bad+0xf4/0x16c [ 43.377793][ T4021] free_unref_page_prepare+0x744/0xaa0 [ 43.379281][ T4021] free_unref_page_list+0xdc/0x754 [ 43.380702][ T4021] release_pages+0x13c8/0x16e0 [ 43.382037][ T4021] __pagevec_release+0x84/0xf8 [ 43.383340][ T4021] truncate_inode_pages_range+0x29c/0x9b8 [ 43.384846][ T4021] truncate_inode_pages+0x2c/0x3c [ 43.386226][ T4021] dbUnmount+0xf4/0x168 [ 43.387377][ T4021] jfs_umount+0x1c4/0x328 [ 43.388563][ T4021] jfs_put_super+0x90/0x188 [ 43.389819][ T4021] generic_shutdown_super+0x130/0x2f0 [ 43.391328][ T4021] kill_block_super+0x70/0xdc [ 43.392607][ T4021] deactivate_locked_super+0xb8/0x13c [ 43.394064][ T4021] deactivate_super+0xf8/0x118 [ 43.395357][ T4021] cleanup_mnt+0x3a4/0x458 [ 43.396575][ T4021] __cleanup_mnt+0x20/0x30 [ 43.397782][ T4021] task_work_run+0x12c/0x1e0 [ 43.399057][ T4021] do_exit+0x67c/0x1f58 [ 43.400182][ T4021] do_group_exit+0x100/0x268 [ 43.401503][ T4021] __wake_up_parent+0x0/0x60 [ 43.402726][ T4021] invoke_syscall+0x98/0x2b8 [ 43.403976][ T4021] el0_svc_common+0x138/0x258 [ 43.405270][ T4021] do_el0_svc+0x58/0x14c [ 43.406450][ T4021] el0_svc+0x78/0x1e0 [ 43.407512][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 43.408908][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 43.410204][ T4021] Disabling lock debugging due to kernel taint [ 43.411815][ T4021] BUG: Bad page state in process syz-executor174 pfn:109fc7 [ 43.413827][ T4021] page:0000000034059361 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x109fc7 [ 43.416596][ T4021] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 43.419222][ T4021] raw: 05ffc00000002006 fffffc000369af48 ffff80001f0b75e0 0000000000000000 [ 43.421412][ T4021] raw: 0000000000000003 ffff0000c9fc60f8 00000000ffffffff 0000000000000000 [ 43.423331][ T4021] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 43.425814][ T4021] Modules linked in: [ 43.426916][ T4021] CPU: 1 PID: 4021 Comm: syz-executor174 Tainted: G B 5.15.181-syzkaller #0 [ 43.429594][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 43.432367][ T4021] Call trace: [ 43.433217][ T4021] dump_backtrace+0x0/0x43c [ 43.434452][ T4021] show_stack+0x2c/0x3c [ 43.435562][ T4021] __dump_stack+0x30/0x40 [ 43.436760][ T4021] dump_stack_lvl+0xf8/0x160 [ 43.438034][ T4021] dump_stack+0x1c/0x5c [ 43.439139][ T4021] bad_page+0x188/0x1a8 [ 43.440255][ T4021] check_free_page_bad+0xf4/0x16c [ 43.441695][ T4021] free_unref_page_prepare+0x744/0xaa0 [ 43.443160][ T4021] free_unref_page_list+0xdc/0x754 [ 43.444536][ T4021] release_pages+0x13c8/0x16e0 [ 43.445879][ T4021] __pagevec_release+0x84/0xf8 [ 43.447168][ T4021] truncate_inode_pages_range+0x29c/0x9b8 [ 43.448797][ T4021] truncate_inode_pages+0x2c/0x3c [ 43.450224][ T4021] dbUnmount+0xf4/0x168 [ 43.451356][ T4021] jfs_umount+0x1c4/0x328 [ 43.452525][ T4021] jfs_put_super+0x90/0x188 [ 43.453722][ T4021] generic_shutdown_super+0x130/0x2f0 [ 43.455191][ T4021] kill_block_super+0x70/0xdc [ 43.456542][ T4021] deactivate_locked_super+0xb8/0x13c [ 43.457986][ T4021] deactivate_super+0xf8/0x118 [ 43.459321][ T4021] cleanup_mnt+0x3a4/0x458 [ 43.460560][ T4021] __cleanup_mnt+0x20/0x30 [ 43.461801][ T4021] task_work_run+0x12c/0x1e0 [ 43.463006][ T4021] do_exit+0x67c/0x1f58 [ 43.464078][ T4021] do_group_exit+0x100/0x268 [ 43.465380][ T4021] __wake_up_parent+0x0/0x60 [ 43.466642][ T4021] invoke_syscall+0x98/0x2b8 [ 43.467906][ T4021] el0_svc_common+0x138/0x258 [ 43.469206][ T4021] do_el0_svc+0x58/0x14c [ 43.470438][ T4021] el0_svc+0x78/0x1e0 [ 43.471528][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 43.472867][ T4021] el0t_64_sync+0x1a0/0x1a4