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Merge pull request #4050 from assimp/kimkulling-fuzzer_issue_24553 

Fix possible overrun
pull/4051/head
Kim Kulling 2021-08-27 14:19:32 +02:00 committed by GitHub
parent e5bf7f7e07 a45878c41a
commit afd0f65ceb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
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7
code/Common/RemoveComments.cpp
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@ -59,13 +59,16 @@ void CommentRemover::RemoveLineComments(const char* szComment,
ai_assert(nullptr != szBuffer);
ai_assert(*szComment);
const size_t len = strlen(szComment);
size_t len = strlen(szComment);
const size_t lenBuffer = strlen(szBuffer);
if (len > lenBuffer) {
len = lenBuffer;
}
while (*szBuffer) {
// skip over quotes
if (*szBuffer == '\"' || *szBuffer == '\'')
while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
if (!strncmp(szBuffer,szComment,len)) {
while (!IsLineEnd(*szBuffer))
*szBuffer++ = chReplacement;