PhilippTakacs 65ed715081 Snapshot use after free (#2125)
* memory snapshots fix use after free on flatview copy

When restoring a snapshot with memory the flatview must be restored
before the memory reagions are filtered. Because the
AddressSpaceDispatcher also has pointer to the MemoryRegions and on copy
they need to be cleared. The memory_filter_subregions function frees
MemoryRegions which are not used at the time of the snapshot.

* fix some memleaks in tests

These tests has forgott to call uc_close(uc), which lead to memory
leaks. Found by the LeakSanitizer.

* memory snapshots correct clean up container memory regions

* Fix further stackoverflow in tests

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Co-authored-by: mio <mio@lazym.io>
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Unicorn Engine

pypi downloads Fuzzing Status

Unicorn is a lightweight, multi-platform, multi-architecture CPU emulator framework, based on QEMU.

Unicorn offers some unparalleled features:

  • Multi-architecture: ARM, ARM64 (ARMv8), M68K, MIPS, PowerPC, RISCV, SPARC, S390X, TriCore and X86 (16, 32, 64-bit)
  • Clean/simple/lightweight/intuitive architecture-neutral API
  • Implemented in pure C language, with bindings for Crystal, Clojure, Visual Basic, Perl, Rust, Ruby, Python, Java, .NET, Go, Delphi/Free Pascal, Haskell, Pharo, Lua and Zig.
  • Native support for Windows & *nix (with Mac OSX, Linux, Android, *BSD & Solaris confirmed)
  • High performance via Just-In-Time compilation
  • Support for fine-grained instrumentation at various levels
  • Thread-safety by design
  • Distributed under free software license GPLv2

Further information is available at http://www.unicorn-engine.org

License

This project is released under the GPL license.

Compilation & Docs

See docs/COMPILE.md file for how to compile and install Unicorn.

More documentation is available in docs/README.md.

For common questions, read docs/FAQ.md before raising an issue.

Contact

Contact us via mailing list, email or twitter for any questions.

Contribute

If you want to contribute, please pick up something from our Github issues.

We also maintain a list of more challenged problems in milestones for our regular release.

Please send pull request to our dev branch.

CREDITS.TXT records important contributors of our project.

Description
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Readme 16 MiB
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Java 2.6%
Python 2.1%
Pawn 1.2%
Rust 0.9%
Other 5.9%