Running app processes in post-fs-data.sh on Android 16 can sometimes lead to the dreaded 'Failed to allocate LinearAlloc: Failed anonymous mmap(0x0, 2147479552, 0x3, 0x22, -1, 0): Out of memory. See process maps in the log' error. This error, often accompanied by a request for a 2GB memory allocation, can be perplexing. While the specific cause might be tied to your app or module, here's a breakdown of potential factors and troubleshooting steps.

**Understanding the Error:**

The error message indicates that the system was unable to allocate a sufficient amount of memory for your app process. LinearAlloc is a memory allocation mechanism used by Android, and the error suggests it failed to secure the required chunk of memory.

Zygisk and Magisk versions.

**Troubleshooting Steps:**

1. **Memory Profiling:** Investigate your app's memory usage to identify potential leaks or excessive memory consumption. Use Android's built-in Profiler tools or third-party memory analyzers to pinpoint areas that might be causing the issue.

2. **Zygisk:** As mentioned in the original message, disabling Zygisk appears to resolve the issue. If your module relies on Zygisk, explore alternative implementations or ways to minimize its memory footprint.

3. **Reduce Memory Requirements:** Examine your app's codebase to find ways to reduce its memory requirements. Consider:
* Optimizing asset loading and caching
* Using efficient data structures
* Minimize object creation and garbage collection.

4. **Adjust Post-fs-data.sh Script:** The provided script launches the app with a specific command-line argument (`--nice-name`). Experiment with different arguments or flags to see if they influence memory allocation.

5. **AVD Configuration:** Since the issue occurs on an AVD, double-check that you've provided sufficient RAM to the virtual device.

6. **Update Magisk:** Ensure you're using the latest stable version of Magisk. Future updates might address this particular issue.

**Remember:** Debugging memory-related errors often involves a combination of careful analysis, profiling, and iterative adjustments. Be thorough in your investigation, and don't hesitate to consult online resources or community forums for additional assistance.

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