ntfs3(loop3): Failed to read $UpCase (-4). ------------[ cut here ]------------ WARNING: mm/slub.c:6784 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6784, CPU#0: syz.3.63/6132 Modules linked in: CPU: 0 UID: 0 PID: 6132 Comm: syz.3.63 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6784 Code: 44 89 f6 e8 b6 d1 fc ff 65 48 8b 05 7e dc 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 59 dc 58 10 48 3b 44 24 08 75 32 48 89 df 48 RSP: 0018:ffffc9000b35f880 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea00003894c0 RCX: ffffea00003894c8 RDX: ffffc9000c0b4000 RSI: ffffffff8e253e20 RDI: ffffea00003894c0 RBP: ffffc9000b35fbb0 R08: ffffffff8f7dd077 R09: 1ffffffff1efba0e R10: dffffc0000000000 R11: fffffbfff1efba0f R12: 0000000000000000 R13: 1ffff11004f52812 R14: ffff8880342bd348 R15: ffff888027a94000 FS: 00007fb47bbf66c0(0000) GS:ffff888125ec1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000025e030 CR3: 000000002f950000 CR4: 00000000003526f0 Call Trace: ntfs_fill_super+0x65f/0x43f0 fs/ntfs3/super.c:1680 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1697 vfs_get_tree+0x92/0x2b0 fs/super.c:1757 fc_mount fs/namespace.c:1209 [inline] do_new_mount_fc fs/namespace.c:3652 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3728 do_mount fs/namespace.c:4051 [inline] __do_sys_mount fs/namespace.c:4240 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4217 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: 0033:0x7fb47d990e6a 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:00007fb47bbf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb47bbf5ef0 RCX: 00007fb47d990e6a RDX: 0000200000000000 RSI: 0000200000000080 RDI: 00007fb47bbf5eb0 RBP: 0000200000000000 R08: 00007fb47bbf5ef0 R09: 00000000022000c0 R10: 00000000022000c0 R11: 0000000000000246 R12: 0000200000000080 R13: 00007fb47bbf5eb0 R14: 000000000001f793 R15: 0000200000000140