ntfs: (device loop2): read_ntfs_boot_sector(): Hot-fix: Recovering invalid primary boot sector from backup copy.
------------[ cut here ]------------
kernel BUG at fs/ntfs/aops.c:186!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5102 Comm: syz.2.150 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_readpage+0x2252/0x2260 fs/ntfs/aops.c:435
Code: 0f ea fe 0f 0b e8 de 0f ea fe 48 ff cb 48 89 5c 24 08 48 8b 7c 24 08 48 c7 c6 20 ff 5a 8a e8 55 f6 1c ff 0f 0b e8 be 0f 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:ffffc900042df740 EFLAGS: 00010287
RAX: ffffffff828f1282 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90005cea000 RSI: 0000000000011538 RDI: 0000000000011539
RBP: ffffc900042df8f0 R08: ffff88805fdf0057 R09: 1ffff1100bfbe00a
R10: dffffc0000000000 R11: ffffed100bfbe00b R12: ffffea000176a400
R13: ffff88805fdf0320 R14: dffffc0000000000 R15: ffff8880750d0800
FS:  00007f790e2a26c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4ae5bf0000 CR3: 000000007454d000 CR4: 00000000003506e0
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: 0033:0x7f79100498ca
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:00007f790e2a1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f790e2a1ee0 RCX: 00007f79100498ca
RDX: 0000200000000100 RSI: 000020000001ecc0 RDI: 00007f790e2a1ea0
RBP: 0000200000000100 R08: 00007f790e2a1ee0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000020000001ecc0
R13: 00007f790e2a1ea0 R14: 000000000001ec77 R15: 0000200000002480
 </TASK>
Modules linked in:
---[ end trace 2390cf2f8480cd4b ]---
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_readpage+0x2252/0x2260 fs/ntfs/aops.c:435
Code: 0f ea fe 0f 0b e8 de 0f ea fe 48 ff cb 48 89 5c 24 08 48 8b 7c 24 08 48 c7 c6 20 ff 5a 8a e8 55 f6 1c ff 0f 0b e8 be 0f 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:ffffc900042df740 EFLAGS: 00010287
RAX: ffffffff828f1282 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90005cea000 RSI: 0000000000011538 RDI: 0000000000011539
RBP: ffffc900042df8f0 R08: ffff88805fdf0057 R09: 1ffff1100bfbe00a
R10: dffffc0000000000 R11: ffffed100bfbe00b R12: ffffea000176a400
R13: ffff88805fdf0320 R14: dffffc0000000000 R15: ffff8880750d0800
FS:  00007f790e2a26c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f092fbee000 CR3: 000000007454d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400