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Windows: Fix heap overflow setting native icon

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Fixes #71697.

(cherry picked from commit 86945ffc78)
This commit is contained in:
Jordan Schidlowsky
2023-01-19 15:32:00 -06:00
committed by Rémi Verschelde
parent 4500b3cd30
commit dc0f7255f1
1 changed files with 1 additions and 1 deletions
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platform/windows/os_windows.cpp
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@@ -3057,7 +3057,7 @@ void OS_Windows::set_native_icon(const String &p_filename) {
pos += sizeof(WORD); pos += sizeof(WORD);
f->seek(pos); f->seek(pos);
icon_dir = (ICONDIR *)memrealloc(icon_dir, 3 * sizeof(WORD) + icon_dir->idCount * sizeof(ICONDIRENTRY)); icon_dir = (ICONDIR *)memrealloc(icon_dir, sizeof(ICONDIR) + (icon_dir->idCount * sizeof(ICONDIRENTRY)));
f->get_buffer((uint8_t *)&icon_dir->idEntries[0], icon_dir->idCount * sizeof(ICONDIRENTRY)); f->get_buffer((uint8_t *)&icon_dir->idEntries[0], icon_dir->idCount * sizeof(ICONDIRENTRY));
int small_icon_index = -1; // Select 16x16 with largest color count int small_icon_index = -1; // Select 16x16 with largest color count