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GP-1529: Interrupt emulator when decoding uninitialized memory

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Dan
2023-03-29 16:36:17 -04:00
parent 738e662e82
commit 4aa54dd1f9
25 changed files with 274 additions and 100 deletions
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Ghidra/Features/SystemEmulation/src/main/java/ghidra/pcode/emu/unix/AbstractEmuUnixSyscallUseropLibrary.java
+1 -1
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@@ -287,7 +287,7 @@ public abstract class AbstractEmuUnixSyscallUseropLibrary<T>
// TODO: Not ideal to require concrete size. What are the alternatives, though?
// TODO: size should actually be long (size_t)
int size = (int) arithmetic.toLong(count, Purpose.OTHER);
T buf = state.getVar(space, bufPtr, size, true, Reason.EXECUTE);
T buf = state.getVar(space, bufPtr, size, true, Reason.EXECUTE_READ);
// TODO: Write back into state? "write" shouldn't touch the buffer....
return desc.write(buf);
}