[Bug 46340] New: comctl32//tests/edit.c shows uninitialized memory use

wine-bugs at winehq.org wine-bugs at winehq.org
Sat Dec 22 00:58:44 CST 2018


https://bugs.winehq.org/show_bug.cgi?id=46340

            Bug ID: 46340
           Summary: comctl32//tests/edit.c shows uninitialized memory use
           Product: Wine
           Version: 4.0-rc3
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: comctl32
          Assignee: wine-bugs at winehq.org
          Reporter: austinenglish at gmail.com
                CC: bunglehead at gmail.com
      Distribution: Gentoo

../../../tools/runtest -q -P wine -T ../../.. -M comctl32.dll -p
comctl32_test.exe.so edit && touch edit.ok
==28392== Syscall param writev(vector[...]) points to uninitialised byte(s)
==28392==    at 0x43567D3: writev (writev.c:26)
==28392==    by 0x7BC75457: send_request (server.c:228)
==28392==    by 0x7BC76158: server_call_unlocked (server.c:288)
==28392==    by 0x7BC761AD: wine_server_call (server.c:321)
==28392==    by 0x4F60D1B: SetClipboardData (clipboard.c:904)
==28392==    by 0x4A9C057: test_paste (edit.c:2919)
==28392==    by 0x4A9DCBF: func_edit (edit.c:3214)
==28392==    by 0x4B2BBBD: run_test (test.h:617)
==28392==    by 0x4B2C5FB: main (test.h:701)
==28392==  Address 0x4940bce is 30 bytes inside a recently re-allocated block
of size 263 alloc'd
==28392==    at 0x7BC483AD: notify_alloc (heap.c:260)
==28392==    by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726)
==28392==    by 0x7B4433A0: HeapAlloc (heap.c:271)
==28392==    by 0x7B443603: GlobalAlloc (heap.c:389)
==28392==    by 0x4A9BF57: test_paste (edit.c:2908)
==28392==    by 0x4A9DCBF: func_edit (edit.c:3214)
==28392==    by 0x4B2BBBD: run_test (test.h:617)
==28392==    by 0x4B2C5FB: main (test.h:701)
==28392==  Uninitialised value was created by a client request
==28392==    at 0x7BC4831C: mark_block_uninitialized (heap.c:214)
==28392==    by 0x7BC4A643: initialize_block (heap.c:245)
==28392==    by 0x7BC4B8E7: RtlAllocateHeap (heap.c:1727)
==28392==    by 0x7B4433A0: HeapAlloc (heap.c:271)
==28392==    by 0x7B443603: GlobalAlloc (heap.c:389)
==28392==    by 0x4A9BF57: test_paste (edit.c:2908)
==28392==    by 0x4A9DCBF: func_edit (edit.c:3214)
==28392==    by 0x4B2BBBD: run_test (test.h:617)
==28392==    by 0x4B2C5FB: main (test.h:701)
==28392==

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