loop0: detected capacity change from 0 to 4096 ================================================================== BUG: KASAN: use-after-free in ntfs_attr_find+0x91a/0xd80 fs/ntfs/attrib.c:597 Read of size 2 at addr ffff88814c9ee0ab by task syz-executor826/3607 CPU: 1 PID: 3607 Comm: syz-executor826 Not tainted 6.0.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x65/0x4b0 mm/kasan/report.c:317 print_report+0x108/0x1f0 mm/kasan/report.c:433 kasan_report+0xc3/0xf0 mm/kasan/report.c:495 ntfs_attr_find+0x91a/0xd80 fs/ntfs/attrib.c:597 ntfs_attr_lookup+0x4c3/0x2370 ntfs_read_locked_inode+0xd32/0x47c0 fs/ntfs/inode.c:999 ntfs_iget+0x10f/0x190 fs/ntfs/inode.c:177 load_and_init_upcase fs/ntfs/super.c:1655 [inline] load_system_files+0x1511/0x4870 fs/ntfs/super.c:1810 ntfs_fill_super+0x19a9/0x2bf0 fs/ntfs/super.c:2892 mount_bdev+0x26c/0x3a0 fs/super.c:1400 legacy_get_tree+0xea/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 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: 0033:0x7f5569d909ba Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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:00007fff283ead98 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5569d909ba RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff283eadb0 RBP: 00007fff283eadb0 R08: 00007fff283eadf0 R09: 0000555556fda2c0 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 R13: 00007fff283eadf0 R14: 000000000000013b R15: 0000000020001f88 The buggy address belongs to the physical page: page:ffffea0005327b80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14c9ee flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff) raw: 057ff00000000000 ffffea0005327b88 ffffea0005327b88 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: ffff88814c9edf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88814c9ee000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88814c9ee080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88814c9ee100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88814c9ee180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================