loop2: 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: 0 PID: 6635 Comm: syz.2.467 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_read_folio+0x26d1/0x2980 fs/ntfs/aops.c:436 Code: bc 24 80 00 00 00 00 0f 84 db 00 00 00 e8 c7 a9 d6 fe e9 55 02 00 00 e8 bd a9 d6 fe 0f 0b e8 b6 a9 d6 fe 0f 0b e8 af a9 d6 fe <0f> 0b 48 8b 7c 24 18 be 08 00 00 00 e8 2e da 26 ff 48 b8 00 00 00 RSP: 0018:ffffc90004b4f640 EFLAGS: 00010287 RAX: ffffffff82aa2cb1 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000583a000 RSI: 0000000000015a21 RDI: 0000000000015a22 RBP: ffffc90004b4f830 R08: dffffc0000000000 R09: ffffed1008388743 R10: ffffed1008388743 R11: 1ffff11008388742 R12: dffffc0000000000 R13: 1ffffd4000269960 R14: ffff88807be53000 R15: ffffea000134cb00 FS: 00007f226358d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe48dfb6ad8 CR3: 000000005808c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_read_folio+0x160/0x760 mm/filemap.c:2490 do_read_cache_folio+0x2a0/0x760 mm/filemap.c:3627 do_read_cache_page+0x32/0x220 mm/filemap.c:3669 read_mapping_page include/linux/pagemap.h:791 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] map_mft_record_page fs/ntfs/mft.c:73 [inline] map_mft_record+0x1df/0x650 fs/ntfs/mft.c:156 ntfs_read_locked_inode+0x1ae/0x4e60 fs/ntfs/inode.c:550 ntfs_read_inode_mount+0xe5b/0x2810 fs/ntfs/inode.c:2098 ntfs_fill_super+0x16ef/0x2a60 fs/ntfs/super.c:2855 mount_bdev+0x287/0x3c0 fs/super.c:1443 legacy_get_tree+0xe6/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x24a/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2262790eea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f226358ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f226358cef0 RCX: 00007f2262790eea RDX: 0000200000000040 RSI: 0000200000000000 RDI: 00007f226358ceb0 RBP: 0000200000000040 R08: 00007f226358cef0 R09: 0000000000000400 R10: 0000000000000400 R11: 0000000000000246 R12: 0000200000000000 R13: 00007f226358ceb0 R14: 000000000001eec5 R15: 00002000000000c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline] RIP: 0010:ntfs_read_folio+0x26d1/0x2980 fs/ntfs/aops.c:436 Code: bc 24 80 00 00 00 00 0f 84 db 00 00 00 e8 c7 a9 d6 fe e9 55 02 00 00 e8 bd a9 d6 fe 0f 0b e8 b6 a9 d6 fe 0f 0b e8 af a9 d6 fe <0f> 0b 48 8b 7c 24 18 be 08 00 00 00 e8 2e da 26 ff 48 b8 00 00 00 RSP: 0018:ffffc90004b4f640 EFLAGS: 00010287 RAX: ffffffff82aa2cb1 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000583a000 RSI: 0000000000015a21 RDI: 0000000000015a22 RBP: ffffc90004b4f830 R08: dffffc0000000000 R09: ffffed1008388743 R10: ffffed1008388743 R11: 1ffff11008388742 R12: dffffc0000000000 R13: 1ffffd4000269960 R14: ffff88807be53000 R15: ffffea000134cb00 FS: 00007f226358d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f394e9ab000 CR3: 000000005808c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400