ntfs3(loop2): Failed to read $UpCase (-4). ------------[ cut here ]------------ WARNING: mm/slub.c:6752 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6752, CPU#0: syz.2.7/5952 Modules linked in: CPU: 0 UID: 0 PID: 5952 Comm: syz.2.7 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:6752 Code: 44 89 f6 e8 16 d1 fc ff 65 48 8b 05 1e c3 57 10 48 3b 44 24 08 75 57 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d e9 86 7b 3b 09 cc 90 <0f> 0b 90 65 48 8b 05 f9 c2 57 10 48 3b 44 24 08 75 32 48 89 df 48 RSP: 0018:ffffc90004947880 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea00003894c0 RCX: ffffea00003894c8 RDX: ffffc9000c331000 RSI: ffffffff8e253d00 RDI: ffffea00003894c0 RBP: ffffc90004947bb0 R08: ffffffff8f7d5a77 R09: 1ffffffff1efab4e R10: dffffc0000000000 R11: fffffbfff1efab4f R12: 0000000000000000 R13: 00000000fffffffc R14: dffffc0000000000 R15: ffff88806c36c9b0 FS: 00007f349b98c6c0(0000) GS:ffff888125eeb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4a2a756000 CR3: 0000000067128000 CR4: 00000000003526f0 Call Trace: ntfs_fill_super+0x656/0x43d0 fs/ntfs3/super.c:1674 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691 vfs_get_tree+0x92/0x2b0 fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3727 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4215 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: 0033:0x7f349ab9076a 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:00007f349b98be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f349b98bef0 RCX: 00007f349ab9076a RDX: 0000200000000080 RSI: 0000200000000380 RDI: 00007f349b98beb0 RBP: 0000200000000080 R08: 00007f349b98bef0 R09: 0000000000018000 R10: 0000000000018000 R11: 0000000000000246 R12: 0000200000000380 R13: 00007f349b98beb0 R14: 000000000001f751 R15: 00002000000000c0