1berry/obs-studio
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

win-capture: Fix crash if no display is available

Browse Source 
If no displays are available, numPath or numMode can be 0, which will
result in a bmalloc(0) call and OBS will crash.
This commit is contained in:
Ryan Foster 2025-05-01 15:06:14 -04:00
parent 720f37046f
commit c86de0587a
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
plugins/win-capture/duplicator-monitor-capture.c
View File

@ -130,6 +130,9 @@ static bool GetMonitorTarget(LPCWSTR device, DISPLAYCONFIG_TARGET_DEVICE_NAME *t
UINT32 numPath, numMode;
if (GetDisplayConfigBufferSizes(QDC_ONLY_ACTIVE_PATHS, &numPath, &numMode) == ERROR_SUCCESS) {
if (!numPath || !numMode) {
return false;
}
DISPLAYCONFIG_PATH_INFO *paths = bmalloc(numPath * sizeof(DISPLAYCONFIG_PATH_INFO));
DISPLAYCONFIG_MODE_INFO *modes = bmalloc(numMode * sizeof(DISPLAYCONFIG_MODE_INFO));
if (QueryDisplayConfig(QDC_ONLY_ACTIVE_PATHS, &numPath, paths, &numMode, modes, NULL) ==