On Fri, 17 Jan 2025 18:22:57 GMT, Rajat Mahajan <rmaha...@openjdk.org> wrote:
>> **Issue:** >> AwtWindow::SetIconData leaks the old icon handles in hOldIcon and hOldIconSm >> if CreateIconFromRaster raises an exception. Additionally, an exception is >> checked only after the first call to CreateIconFromRaster. >> >> **Solution:** >> I have added the exception handling code to take care that the handles are >> properly destroyed and not leaked. >> >> **Testing:** >> I have tested the code to make sure there are no regressions caused by this. > > Rajat Mahajan has updated the pull request incrementally with one additional > commit since the last revision: > > check using not equal to NULL to match the rest of the code in the function While I was looking deeper into the code flow, I found another place which needs changing. https://github.com/openjdk/jdk/blob/0fbf10a9cf51d01d82cd43cf0edfaeee83313a9c/src/java.desktop/windows/native/libawt/windows/awt_Taskbar.cpp#L126-L132 The JNI method `Java_sun_awt_windows_WTaskbarPeer_setOverlayIcon` for `WTaskbarPeer.setOverlayIcon` calls `CreateIconFromRaster` that can throw a C++ exception. The call to `CreateIconFromRaster` has to be wrapped into a try-catch block to ensure the C++ exception does not escape. I think it's reasonable to address this new issue under a new bugid. ------------- PR Comment: https://git.openjdk.org/jdk/pull/22932#issuecomment-2602772897