ntfs3(loop1): Failed to read $UpCase (-4).
------------[ cut here ]------------
WARNING: mm/slub.c:6760 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6760, CPU#1: syz.1.2/5985
Modules linked in:
CPU: 1 UID: 0 PID: 5985 Comm: syz.1.2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6760
Code: 44 89 f6 e8 06 d1 fc ff 65 48 8b 05 8e d0 58 10 48 3b 44 24 08 75 57 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc 90 <0f> 0b 90 65 48 8b 05 69 d0 58 10 48 3b 44 24 08 75 32 48 89 df 48
RSP: 0018:ffffc9000abe7880 EFLAGS: 00010206
RAX: 00000000ff000000 RBX: ffffea0000389480 RCX: ffffea0000389488
RDX: ffffc9000b7aa000 RSI: ffffffff8e252880 RDI: ffffea0000389480
RBP: ffffc9000abe7bb0 R08: ffffffff8f7da977 R09: 1ffffffff1efb52e
R10: dffffc0000000000 R11: fffffbfff1efb52f R12: 0000000000000000
R13: 00000000fffffffc R14: dffffc0000000000 R15: ffff888031f9a9b0
FS:  00007ff8487b26c0(0000) GS:ffff888125fc2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 000000007f344000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ntfs_fill_super+0x656/0x43d0 fs/ntfs3/super.c:1675
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692
 vfs_get_tree+0x92/0x2b0 fs/super.c:1752
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3641 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3717
 do_mount fs/namespace.c:4040 [inline]
 __do_sys_mount fs/namespace.c:4228 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4205
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff847990e6a
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:00007ff8487b1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff8487b1ef0 RCX: 00007ff847990e6a
RDX: 0000200000000140 RSI: 0000200000000100 RDI: 00007ff8487b1eb0
RBP: 0000200000000140 R08: 00007ff8487b1ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000100
R13: 00007ff8487b1eb0 R14: 000000000001f796 R15: 0000200000000440
 </TASK>