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Fix possible infinite loop when reading a broken jp2

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This commit is contained in:
Mirco Miranda
2025-10-23 11:59:39 +02:00
parent abfda2ce69
commit aeb2988eec
1 changed files with 1 additions and 1 deletions
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2
src/imageformats/jp2.cpp
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@ -73,7 +73,7 @@ static void info_callback(const char *msg, void *client_data)
static OPJ_SIZE_T jp2_read(void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data) static OPJ_SIZE_T jp2_read(void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
{ {
auto dev = (QIODevice*)p_user_data; auto dev = (QIODevice*)p_user_data;
if (dev == nullptr) { if (dev == nullptr || dev->atEnd()) {
return OPJ_SIZE_T(-1); return OPJ_SIZE_T(-1);
} }
return OPJ_SIZE_T(dev->read((char*)p_buffer, (qint64)p_nb_bytes)); return OPJ_SIZE_T(dev->read((char*)p_buffer, (qint64)p_nb_bytes));