unicorn

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not support CASA instruction on aarch64?

1

when I emulate Android 12 libc.so `scudo::HybridMutex::tryLock` function `error: Unhandled CPU exception (UC_ERR_EXCEPTION)` the instruction is `CASA W8, W9, [X0]` ``` .text:0000000000040460 ; __int64 __fastcall scudo::HybridMutex::tryLock(scudo::HybridMutex *__hidden this) .text:0000000000040460 _ZN5scudo11HybridMutex7tryLockEv...

SeeFlowerX

UC_ERR_MAP issue when trying to emulate

3

First of all, sorry for the terrible code. Whenever I try to emulate my obfuscated driver it fails at uc_emu_start with UC_ERR_MAP. I get all success return codes on: uc_mem_map...

smuthayan

UC_HOOK_CODE shows wrong result (address)

2

I'm trying to add UC_HOOK_CODE for logging all assembly code ```python def hook_code(self, uc, address, size, user_data): if hasattr(self, "f") == False: self.f = open("trace.txt", "w") insn = next(self.cs.disasm(self.uc.mem_read(address, size),...

schnabel0776

Rust bindings leak emulators

12

Steps to reproduce the bug: 1. Create an emulator 2. Add a hook to it 3. Drop the emulator (just let it go out of scope) Expected behaviour: all resources...

nemarci

Bug fix for java binding of Apple silicon.

4

Because Java also has JIT code, Java binding in Apple M1 does not execute "tb_exec_lock" at the end of execution, which will cause "SIGBUS" exception in the execution of JIT...

zhkl0228

Behaviour change with emu_start stop address between Unicorn 1 and 2

1

The following code does not behave the same depending on Unicorn version: - with Unicorn 2, this code returns "intno == 3". - with Unicorn 1, this code returns nothing....

aiooss-ledger

Fixes #1661 - Hook block infinite loop when changing PC

4

Issue is described in #1661. > I have the exact same issue. My arm64 code is jumping to a block that is hooked with HOOK_BLOCK, I then handle it in...

AeonLucid

Existence of HOOK_CODE changes behavior of HOOK_BLOCK

3

I have a unicorn instance hooking functions via the `HOOK_BLOCK` callback. In that callback I alter the stack and the IP. This method worked fine for me in versions up...

paulkermann

Feature request: Nim binding for unicorn-engine

3

Nim programming is a compiled systems programming language that has very easy syntax (Python like). It has very fast performance so i think it would be nice if unicorn engine...

dmknght

Repeated memory write callbacks

3

Hello. While tracking memory writes in heavily packed executable to some memory region I've found that in some cases the callback is triggered once for 8 byte write and at...

archercreat