loop4: detected capacity change from 0 to 4096
------------[ cut here ]------------
kernel BUG at fs/ntfs/aops.c:186!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4632 Comm: syz.4.81 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_readpage+0x2138/0x2140 fs/ntfs/aops.c:435
Code: e8 1d 48 ea fe 0f 0b e8 16 48 ea fe 48 ff cb 48 89 1c 24 48 8b 3c 24 48 c7 c6 60 dc 5a 8a e8 7f 2a 1d ff 0f 0b e8 f8 47 ea fe <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20
RSP: 0018:ffffc9000396f780 EFLAGS: 00010287
RAX: ffffffff828eaaa8 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90005f3a000 RSI: 0000000000001f54 RDI: 0000000000001f55
RBP: ffffc9000396f940 R08: ffff88805fb90057 R09: 1ffff1100bf7200a
R10: dffffc0000000000 R11: ffffed100bf7200b R12: ffffea00013a48c0
R13: dffffc0000000000 R14: ffff8880278c2000 R15: ffff88805fb90320
FS:  00007fe6d816f6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bc38c4000 CR3: 000000005a729000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_read_cache_page+0x882/0x1010 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+0x1b5/0x5f0 fs/ntfs/mft.c:156
 ntfs_read_locked_inode+0x19c/0x4d30 fs/ntfs/inode.c:550
 ntfs_read_inode_mount+0xdf0/0x2670 fs/ntfs/inode.c:2098
 ntfs_fill_super+0x189b/0x2c90 fs/ntfs/super.c:2857
 mount_bdev+0x28a/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+0x247/0xa40 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: 0033:0x7fe6d9f170ca
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:00007fe6d816ee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe6d816eee0 RCX: 00007fe6d9f170ca
RDX: 00002000000001c0 RSI: 0000200000000000 RDI: 00007fe6d816eea0
RBP: 00002000000001c0 R08: 00007fe6d816eee0 R09: 000000000020801a
R10: 000000000020801a R11: 0000000000000246 R12: 0000200000000000
R13: 00007fe6d816eea0 R14: 000000000001ee55 R15: 0000200000000040
 </TASK>
Modules linked in:
---[ end trace 998debe485feb88f ]---
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_readpage+0x2138/0x2140 fs/ntfs/aops.c:435
Code: e8 1d 48 ea fe 0f 0b e8 16 48 ea fe 48 ff cb 48 89 1c 24 48 8b 3c 24 48 c7 c6 60 dc 5a 8a e8 7f 2a 1d ff 0f 0b e8 f8 47 ea fe <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20
RSP: 0018:ffffc9000396f780 EFLAGS: 00010287
RAX: ffffffff828eaaa8 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90005f3a000 RSI: 0000000000001f54 RDI: 0000000000001f55
RBP: ffffc9000396f940 R08: ffff88805fb90057 R09: 1ffff1100bf7200a
R10: dffffc0000000000 R11: ffffed100bf7200b R12: ffffea00013a48c0
R13: dffffc0000000000 R14: ffff8880278c2000 R15: ffff88805fb90320
FS:  00007fe6d816f6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562867cbfcd8 CR3: 000000005a729000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400