ntfs: (device loop5): read_ntfs_boot_sector(): Using backup boot sector.
------------[ cut here ]------------
kernel BUG at fs/ntfs/aops.c:186!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7558 Comm: syz.5.640 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_readpage+0x2252/0x2260 fs/ntfs/aops.c:435
Code: 17 ea fe 0f 0b e8 be 17 ea fe 48 ff cb 48 89 5c 24 08 48 8b 7c 24 08 48 c7 c6 60 ff 5a 8a e8 15 fe 1c ff 0f 0b e8 9e 17 ea fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41
RSP: 0018:ffffc900030cf740 EFLAGS: 00010283
RAX: ffffffff828f0802 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90016090000 RSI: 000000000000eda3 RDI: 000000000000eda4
RBP: ffffc900030cf8f0 R08: ffff88805a050897 R09: 1ffff1100b40a112
R10: dffffc0000000000 R11: ffffed100b40a113 R12: ffffea00013d6fc0
R13: ffff88805a050b60 R14: dffffc0000000000 R15: ffff8880214dc000
FS:  00007f6207e286c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd74a3b728 CR3: 000000007b3a8000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_read_cache_page+0x8a1/0x1030 mm/filemap.c:-1
 read_mapping_page include/linux/pagemap.h:515 [inline]
 ntfs_map_page+0x24/0x390 fs/ntfs/aops.h:75
 map_mft_record_page fs/ntfs/mft.c:73 [inline]
 map_mft_record+0x1c9/0x620 fs/ntfs/mft.c:156
 ntfs_read_locked_inode+0x1ae/0x4de0 fs/ntfs/inode.c:550
 ntfs_read_inode_mount+0xd46/0x25d0 fs/ntfs/inode.c:2098
 ntfs_fill_super+0x18af/0x2c90 fs/ntfs/super.c:2857
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6209bce14a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6207e27e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6207e27ee0 RCX: 00007f6209bce14a
RDX: 0000200000000040 RSI: 0000200000000000 RDI: 00007f6207e27ea0
RBP: 0000200000000040 R08: 00007f6207e27ee0 R09: 000000000081041d
R10: 000000000081041d R11: 0000000000000246 R12: 0000200000000000
R13: 00007f6207e27ea0 R14: 000000000001ecaa R15: 00002000000000c0
 </TASK>
Modules linked in:
---[ end trace 105d7a64b50eebb6 ]---
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_readpage+0x2252/0x2260 fs/ntfs/aops.c:435
Code: 17 ea fe 0f 0b e8 be 17 ea fe 48 ff cb 48 89 5c 24 08 48 8b 7c 24 08 48 c7 c6 60 ff 5a 8a e8 15 fe 1c ff 0f 0b e8 9e 17 ea fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41
RSP: 0018:ffffc900030cf740 EFLAGS: 00010283
RAX: ffffffff828f0802 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90016090000 RSI: 000000000000eda3 RDI: 000000000000eda4
RBP: ffffc900030cf8f0 R08: ffff88805a050897 R09: 1ffff1100b40a112
R10: dffffc0000000000 R11: ffffed100b40a113 R12: ffffea00013d6fc0
R13: ffff88805a050b60 R14: dffffc0000000000 R15: ffff8880214dc000
FS:  00007f6207e286c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559550e19950 CR3: 000000007b3a8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400