From f81c101bcd1f000aa71673f913e1cced01a3eee2 Mon Sep 17 00:00:00 2001
From: pompolic <pompolic@special-circumstanc.es>
Date: Thu, 23 Jun 2022 19:28:32 +0200
Subject: [PATCH] Don't allow initialization with address of 0x0
---
gdb-port/ast.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gdb-port/ast.py b/gdb-port/ast.py
index f661cf6..ea9ccf4 100644
--- a/gdb-port/ast.py
+++ b/gdb-port/ast.py
@@ -4,6 +4,8 @@ class HParseResult:
def __init__(self, address):
# Note to self: Address has to be an integer and not string
# Otherwise all hell breaks loose
+ if address == 0:
+ raise ValueError("Nullpointer given as address of HParseResult")
self.address = address
# Mostly for convenience
self.has_ast = self.read_AST_not_null()
@@ -71,6 +73,8 @@ class HParsedToken:
# The former will allocate an char[] and cast it to a HParsedToken* when reading members
if isinstance(address, str):
print("Warning: Address % given to HParsedToken is a string. This is probably an error (expecting int or gdb.Value)" % address)
+ if address == 0:
+ raise ValueError("Nullpointer given as address of HParsedToken")
self.address = address
# Unused for now
self.parent = parent
--
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