[Bug 38914] New: valgrind shows uninitialized memory in dlls/dwrite/tests/layout.c

wine-bugs at winehq.org wine-bugs at winehq.org
Mon Jul 13 22:07:40 CDT 2015


https://bugs.winehq.org/show_bug.cgi?id=38914

            Bug ID: 38914
           Summary: valgrind shows uninitialized memory in
                    dlls/dwrite/tests/layout.c
           Product: Wine
           Version: 1.7.47
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: dwrite
          Assignee: wine-bugs at winehq.org
          Reporter: austinenglish at gmail.com
                CC: bunglehead at gmail.com
      Distribution: Fedora

==22864== Conditional jump or move depends on uninitialised value(s)
==22864==    at 0x492911F: bidi_compute_isolating_runs_set (bidi.c:966)
==22864==    by 0x4929974: bidi_computelevels (bidi.c:1102)
==22864==    by 0x492461F: dwritetextanalyzer_AnalyzeBidi (analyzer.c:768)
==22864==    by 0x49365E4: IDWriteTextAnalyzer_AnalyzeBidi (dwrite.h:6279)
==22864==    by 0x49365E4: layout_compute_runs (???:0)
==22864==    by 0x4937653: layout_compute (layout.c:900)
==22864==    by 0x49385A1: layout_compute_effective_runs (layout.c:1316)
==22864==    by 0x493D09D: dwritetextlayout_GetLineMetrics (layout.c:2821)
==22864==    by 0x47CB482: IDWriteTextLayout_GetLineMetrics (dwrite.h:5216)
==22864==    by 0x47CB482: test_GetLineMetrics (???:0)
==22864==    by 0x47CE508: func_layout (layout.c:3254)
==22864==    by 0x47CF29B: run_test (test.h:584)
==22864==    by 0x47CF6E3: main (test.h:666)
==22864==  Uninitialised value was created by a client request
==22864==    at 0x7BC4B34B: mark_block_uninitialized (heap.c:208)
==22864==    by 0x7BC4B4A0: initialize_block (heap.c:239)
==22864==    by 0x7BC4F802: RtlAllocateHeap (heap.c:1716)
==22864==    by 0x4922BE6: heap_alloc (dwrite_private.h:34)
==22864==    by 0x49245BA: dwritetextanalyzer_AnalyzeBidi (analyzer.c:759)
==22864==    by 0x49365E4: IDWriteTextAnalyzer_AnalyzeBidi (dwrite.h:6279)
==22864==    by 0x49365E4: layout_compute_runs (???:0)
==22864==    by 0x4937653: layout_compute (layout.c:900)
==22864==    by 0x49385A1: layout_compute_effective_runs (layout.c:1316)
==22864==    by 0x493D09D: dwritetextlayout_GetLineMetrics (layout.c:2821)
==22864==    by 0x47CB482: IDWriteTextLayout_GetLineMetrics (dwrite.h:5216)
==22864==    by 0x47CB482: test_GetLineMetrics (???:0)
==22864==    by 0x47CE508: func_layout (layout.c:3254)
==22864==    by 0x47CF29B: run_test (test.h:584)
==22864==    by 0x47CF6E3: main (test.h:666)
==22864==

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