loop0: detected capacity change from 0 to 15197 ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) ================================================================== BUG: KASAN: use-after-free in mi_enum_attr+0x583/0x6a0 fs/ntfs3/record.c:227 Read of size 4 at addr ffff88817bdb888d by task syz-executor427/5071 CPU: 0 PID: 5071 Comm: syz-executor427 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:306 print_report+0x107/0x1f0 mm/kasan/report.c:417 kasan_report+0xcd/0x100 mm/kasan/report.c:517 mi_enum_attr+0x583/0x6a0 fs/ntfs3/record.c:227 ni_enum_attr_ex+0x2f6/0x6d0 fs/ntfs3/frecord.c:259 ntfs_read_mft fs/ntfs3/inode.c:114 [inline] ntfs_iget5+0x1d3e/0x36f0 fs/ntfs3/inode.c:501 dir_search_u+0x2aa/0x320 fs/ntfs3/dir.c:264 ntfs_extend_init+0x315/0x5a0 fs/ntfs3/fsntfs.c:232 ntfs_fill_super+0x3ff4/0x4370 fs/ntfs3/super.c:1243 get_tree_bdev+0x400/0x620 fs/super.c:1282 vfs_get_tree+0x88/0x270 fs/super.c:1489 do_new_mount+0x289/0xad0 fs/namespace.c:3145 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f632176ed0a Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff511dd7b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00005555567322c0 RCX: 00007f632176ed0a RDX: 000000002001f800 RSI: 0000000020000000 RDI: 00007fff511dd800 RBP: 0000000000000000 R08: 00007fff511dd840 R09: 0000000000012293 R10: 0000000000210080 R11: 0000000000000286 R12: 0000000000000004 R13: 00007fff511dd840 R14: 0000000000000003 R15: 00007fff511dd800 The buggy address belongs to the physical page: page:ffffea0005ef6e00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17bdb8 flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff) raw: 057ff00000000000 ffffea0005ef6e08 ffffea0005ef6e08 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner info is not present (never set?) Memory state around the buggy address: ffff88817bdb8780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88817bdb8800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88817bdb8880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88817bdb8900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88817bdb8980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================