On Fri, 31 Jan 2025 01:02:34 GMT, Sergey Bylokhov <s...@openjdk.org> wrote:
>> In java2d coding there are a few overflows (those are shown when running >> jtreg tests with ubsan enabled binaries) >> jtreg test java/awt/Scrollbar/AquaLFScrollbarTest/ScrollBarBorderTest.java >> shows >> >> jdk/src/java.desktop/share/native/libawt/java2d/loops/TransformHelper.c:683:16: >> runtime error: signed integer overflow: 1651910497 + 660764199 cannot be >> represented in type 'int' >> #0 0x7efe59e6ece8 in BilinearInterp >> src/java.desktop/share/native/libawt/java2d/loops/TransformHelper.c:683 >> #1 0x7efe59e75e21 in Java_sun_java2d_loops_TransformHelper_Transform >> src/java.desktop/share/native/libawt/java2d/loops/TransformHelper.c:499 >> #2 0x7efe9b8dee7b (<unknown module>) >> >> java/awt/BasicStroke/DashStrokeTest.java shows >> >> src/java.desktop/share/native/libawt/java2d/pipe/ShapeSpanIterator.c:1366:21: >> runtime error: signed integer overflow: 128253951 + 2118518271 cannot be >> represented in type 'int' >> #0 0x7fb97d7daf21 in ShapeSINextSpan >> src/java.desktop/share/native/libawt/java2d/pipe/ShapeSpanIterator.c:1366 >> #1 0x7fb97d62fa7e in AnyIntSetSpans >> src/java.desktop/share/native/libawt/java2d/loops/AnyInt.c:75 >> #2 0x7fb97d6a8816 in Java_sun_java2d_loops_FillSpans_FillSpans >> src/java.desktop/share/native/libawt/java2d/loops/FillSpans.c:92 >> #3 0x7fba12d07e7b (<unknown module>) >> >> >> There is currently no need seen to adjust this coding, so exclude the >> methods from ubsan checking to avoid unneeded warnings. > > how it is possible to repro these warnings? Hi @mrserb any comments? Are you fine with the change ? ------------- PR Comment: https://git.openjdk.org/jdk/pull/23255#issuecomment-2684864114
