MountZero VFS

Load modules without mounts - 3 steps

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Preview

See how the manager works: preview.mp4

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What is this?

MountZero lets you use KernelSU modules without bind mounts. No entries in /proc/mounts, no traces.

Your module files appear as regular system files.

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Credits

This project builds on the incredible work from:

• Super-Builders (https://github.com/Enginex0/Super-Builders) - GKI kernel patches with SUSFS + ZeroMount
• SUSFS by simonpunk - the hiding framework this project uses
• KernelSU - root framework
• ZeroMount - VFS architecture inspiration

Thank you to the community for making this possible!

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Requirements

• Kernel with SUSFS already integrated (CONFIG_KSU_SUSFS=y)
• KernelSU or ReSukiSU
• Any Android kernel: 4.14, 5.4, 5.10, 5.15, 6.1, 6.x

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Step by Step

Step 1: Copy 5 Files to Kernel

From project/, copy these files to your kernel source:

project/kernel/mountzero.c    →  /fs/
project/kernel/mountzero_vfs.c →  /fs/
project/kernel/mountzero.h    →  /include/linux/
project/kernel/mountzero_def.h → /include/linux/
project/kernel/mountzero_vfs.h → /include/linux/

Or run the auto-script:

./project/integrate.sh

Step 2: Edit Build Files

File: fs/Makefile

# Add this line at the end:
obj-y += mountzero.o mountzero_vfs.o

File: fs/namei.c

// Find getname_flags() function
// Add this before "return result;" in that function:

#ifdef CONFIG_MOUNTZERO
#include <linux/mountzero_vfs.h>
result = mountzero_vfs_getname_hook(result);
#endif

File: your defconfig

CONFIG_MOUNTZERO=y
CONFIG_KSU_SUSFS=y

Step 3: Build, Flash, Install

# Build kernel
make -j$(nproc)

# Flash
fastboot flash boot boot.img

# Install module via KernelSU Manager
# Download ZIP → KernelSU → Modules → Install from storage

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After Reboot

1. Open KernelSU Manager
2. Go to Modules tab
3. Enable MountZero VFS
4. Reboot

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Done!

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CLI Commands (optional)

mzctl status              # Check if enabled
mzctl list               # Show redirect rules
mzctl add /system/bin/su /data/adb/modules/X/system/bin/su
mzctl del /system/bin/su
mzctl susfs add-path /data/adb/ksu
mzctl susfs set-uname '5.15.196-g5a9c3d' '#1 SMP'

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Troubleshooting

Problem	Fix
Build error	Added both mountzero.c AND mountzero_vfs.c?
Bootloop	Hold Volume Up+Down to skip (guard protects after 3 tries)
WebUI missing	Install module.zip via KernelSU
SUSFS error	Ensure CONFIG_KSU_SUSFS=y in kernel

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License

GPL v3.0 - See LICENSE file

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Version

v2.0.3

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Support

Telegram: @mountzerozvfs