Warning: Permanently added '10.128.0.133' (ED25519) to the list of known hosts. executing program [ 33.111731][ T4042] loop0: detected capacity change from 0 to 32768 [ 33.231964][ T4042] BUG: Bad page state in process syz-executor132 pfn:11b2c9 [ 33.233149][ T4042] page:00000000572266bc refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x11b2c9 [ 33.234778][ T4042] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 33.236221][ T4042] raw: 05ffc00000002006 fffffc00031734c8 ffff80001f147340 0000000000000000 [ 33.237497][ T4042] raw: 0000000000000004 ffff0000d4aa9000 00000000ffffffff 0000000000000000 [ 33.238921][ T4042] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 33.240669][ T4042] Modules linked in: [ 33.241331][ T4042] CPU: 1 PID: 4042 Comm: syz-executor132 Not tainted 5.15.189-syzkaller #0 [ 33.242794][ T4042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 33.244512][ T4042] Call trace: [ 33.245086][ T4042] dump_backtrace+0x0/0x43c [ 33.245794][ T4042] show_stack+0x2c/0x3c [ 33.246463][ T4042] __dump_stack+0x30/0x40 [ 33.247143][ T4042] dump_stack_lvl+0xf8/0x160 [ 33.247888][ T4042] dump_stack+0x1c/0x5c [ 33.248552][ T4042] bad_page+0x188/0x1a8 [ 33.249291][ T4042] check_free_page_bad+0xf4/0x16c [ 33.250130][ T4042] free_unref_page_prepare+0x744/0xaa0 [ 33.250948][ T4042] free_unref_page_list+0xdc/0x754 [ 33.251824][ T4042] release_pages+0x13c8/0x16e0 [ 33.252569][ T4042] __pagevec_release+0x84/0xf8 [ 33.253279][ T4042] truncate_inode_pages_range+0x29c/0x9b8 [ 33.254134][ T4042] truncate_inode_pages+0x2c/0x3c [ 33.254879][ T4042] dbUnmount+0xf4/0x168 [ 33.255570][ T4042] jfs_umount+0x1c4/0x328 [ 33.256293][ T4042] jfs_put_super+0x90/0x188 [ 33.257014][ T4042] generic_shutdown_super+0x130/0x2f0 [ 33.257822][ T4042] kill_block_super+0x70/0xdc [ 33.258631][ T4042] deactivate_locked_super+0xb8/0x13c [ 33.259426][ T4042] deactivate_super+0xf8/0x118 [ 33.260137][ T4042] cleanup_mnt+0x3a4/0x458 [ 33.260825][ T4042] __cleanup_mnt+0x20/0x30 [ 33.261534][ T4042] task_work_run+0x12c/0x1e0 [ 33.262224][ T4042] do_exit+0x684/0x1f58 [ 33.262846][ T4042] do_group_exit+0x100/0x268 [ 33.263586][ T4042] get_signal+0x73c/0x1340 [ 33.264274][ T4042] do_notify_resume+0x35c/0x3128 [ 33.265126][ T4042] el0_svc+0xf0/0x1e0 [ 33.265788][ T4042] el0t_64_sync_handler+0xcc/0xe4 [ 33.266654][ T4042] el0t_64_sync+0x1a0/0x1a4 [ 33.268401][ T4042] Disabling lock debugging due to kernel taint [ 33.269421][ T4042] BUG: Bad page state in process syz-executor132 pfn:105cd3 [ 33.270550][ T4042] page:000000000811c5c2 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x105cd3 [ 33.272323][ T4042] flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) [ 33.273822][ T4042] raw: 05ffc00000002006 fffffc00032acbc8 ffff80001f147340 0000000000000000 [ 33.275081][ T4042] raw: 0000000000000003 ffff0000d4aa90f8 00000000ffffffff 0000000000000000 [ 33.276359][ T4042] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 33.277423][ T4042] Modules linked in: [ 33.277998][ T4042] CPU: 0 PID: 4042 Comm: syz-executor132 Tainted: G B 5.15.189-syzkaller #0 [ 33.279451][ T4042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 33.281048][ T4042] Call trace: [ 33.281592][ T4042] dump_backtrace+0x0/0x43c [ 33.282257][ T4042] show_stack+0x2c/0x3c [ 33.282904][ T4042] __dump_stack+0x30/0x40 [ 33.283533][ T4042] dump_stack_lvl+0xf8/0x160 [ 33.284241][ T4042] dump_stack+0x1c/0x5c [ 33.284934][ T4042] bad_page+0x188/0x1a8 [ 33.285582][ T4042] check_free_page_bad+0xf4/0x16c [ 33.286437][ T4042] free_unref_page_prepare+0x744/0xaa0 [ 33.287371][ T4042] free_unref_page_list+0xdc/0x754 [ 33.288237][ T4042] release_pages+0x13c8/0x16e0 [ 33.289047][ T4042] __pagevec_release+0x84/0xf8 [ 33.289838][ T4042] truncate_inode_pages_range+0x29c/0x9b8 [ 33.290683][ T4042] truncate_inode_pages+0x2c/0x3c [ 33.291442][ T4042] dbUnmount+0xf4/0x168 [ 33.292079][ T4042] jfs_umount+0x1c4/0x328 [ 33.292785][ T4042] jfs_put_super+0x90/0x188 [ 33.293541][ T4042] generic_shutdown_super+0x130/0x2f0 [ 33.294432][ T4042] kill_block_super+0x70/0xdc [ 33.295172][ T4042] deactivate_locked_super+0xb8/0x13c [ 33.296007][ T4042] deactivate_super+0xf8/0x118 [ 33.296762][ T4042] cleanup_mnt+0x3a4/0x458 [ 33.297536][ T4042] __cleanup_mnt+0x20/0x30 [ 33.298284][ T4042] task_work_run+0x12c/0x1e0 [ 33.299029][ T4042] do_exit+0x684/0x1f58 [ 33.299697][ T4042] do_group_exit+0x100/0x268 [ 33.300447][ T4042] get_signal+0x73c/0x1340 [ 33.301179][ T4042] do_notify_resume+0x35c/0x3128 [ 33.302024][ T4042] el0_svc+0xf0/0x1e0 [ 33.302692][ T4042] el0t_64_sync_handler+0xcc/0xe4 [ 33.303478][ T4042] el0t_64_sync+0x1a0/0x1a4