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Code Issues Releases Wiki Activity

GP-4733 Heap strings

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caheckman 2024-06-26 19:47:48 +00:00
parent 265f0072f3
commit 9a416877e8
11 changed files with 770 additions and 240 deletions
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12
Ghidra/Features/Decompiler/src/decompile/cpp/stringmanage.cc
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@ -4,9 +4,9 @@
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@ -399,8 +399,12 @@ int4 StringManager::getCodepoint(const uint1 *buf,int4 charsize,bool bigend,int4
}
else
return -1;
if (codepoint >= 0xd800 && codepoint <= 0xdfff)
return -1; // Reserved for surrogates, invalid codepoints
if (codepoint >= 0xd800) {
if (codepoint > 0x10ffff) // Bigger than maximum codepoint
return -1;
if (codepoint <= 0xdfff)
return -1; // Reserved for surrogates, invalid codepoints
}
skip = sk;
return codepoint;
}