[Bug 43376] New: valgrind shows some invalid writes in dlls/msvcirt/tests/ msvcirt.c

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=43376

            Bug ID: 43376
           Summary: valgrind shows some invalid writes in
                    dlls/msvcirt/tests/msvcirt.c
           Product: Wine
           Version: 2.12
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: msvcirt
          Assignee: wine-bugs at winehq.org
          Reporter: austinenglish at gmail.com
      Distribution: Debian

==29409== Invalid write of size 1
==29409==    at 0x402EEF8: strcpy (vg_replace_strmem.c:506)
==29409==    by 0x7BC917EA: NTDLL_strcpy (string.c:117)
==29409==    by 0x4A27063: test_strstreambuf (msvcirt.c:2168)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409==  Address 0x4d4215d is 0 bytes after a block of size 5 alloc'd
==29409==    at 0x7BC51061: notify_alloc (heap.c:254)
==29409==    by 0x7BC5554F: RtlAllocateHeap (heap.c:1716)
==29409==    by 0x4BBB10A: msvcrt_heap_alloc (heap.c:70)
==29409==    by 0x4BBB376: MSVCRT_operator_new (heap.c:138)
==29409==    by 0x4E7275D: strstreambuf_doallocate (msvcirt.c:1430)
==29409==    by 0x4A26F8E: test_strstreambuf (msvcirt.c:2162)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409== 

==29409== Invalid write of size 1
==29409==    at 0x4E72A0F: strstreambuf_overflow (msvcirt.c:1481)
==29409==    by 0x4A288E2: test_strstreambuf (msvcirt.c:2298)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409==  Address 0x4d42205 is 1 bytes after a block of size 20 alloc'd
==29409==    at 0x7BC51061: notify_alloc (heap.c:254)
==29409==    by 0x7BC5554F: RtlAllocateHeap (heap.c:1716)
==29409==    by 0x4BBB10A: msvcrt_heap_alloc (heap.c:70)
==29409==    by 0x4BBB376: MSVCRT_operator_new (heap.c:138)
==29409==    by 0x4E7275D: strstreambuf_doallocate (msvcirt.c:1430)
==29409==    by 0x4E729B2: strstreambuf_overflow (msvcirt.c:1474)
==29409==    by 0x4A288E2: test_strstreambuf (msvcirt.c:2298)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409== 

==29409== Invalid read of size 1
==29409==    at 0x4A28AC3: test_strstreambuf (msvcirt.c:2305)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409==  Address 0x4d42205 is 1 bytes after a block of size 20 alloc'd
==29409==    at 0x7BC51061: notify_alloc (heap.c:254)
==29409==    by 0x7BC5554F: RtlAllocateHeap (heap.c:1716)
==29409==    by 0x4BBB10A: msvcrt_heap_alloc (heap.c:70)
==29409==    by 0x4BBB376: MSVCRT_operator_new (heap.c:138)
==29409==    by 0x4E7275D: strstreambuf_doallocate (msvcirt.c:1430)
==29409==    by 0x4E729B2: strstreambuf_overflow (msvcirt.c:1474)
==29409==    by 0x4A288E2: test_strstreambuf (msvcirt.c:2298)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409== 

==29409== Invalid read of size 1
==29409==    at 0x4A28AD2: test_strstreambuf (msvcirt.c:2305)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409==  Address 0x4d42205 is 1 bytes after a block of size 20 alloc'd
==29409==    at 0x7BC51061: notify_alloc (heap.c:254)
==29409==    by 0x7BC5554F: RtlAllocateHeap (heap.c:1716)
==29409==    by 0x4BBB10A: msvcrt_heap_alloc (heap.c:70)
==29409==    by 0x4BBB376: MSVCRT_operator_new (heap.c:138)
==29409==    by 0x4E7275D: strstreambuf_doallocate (msvcirt.c:1430)
==29409==    by 0x4E729B2: strstreambuf_overflow (msvcirt.c:1474)
==29409==    by 0x4A288E2: test_strstreambuf (msvcirt.c:2298)
==29409==    by 0x4A6365D: func_msvcirt (msvcirt.c:7474)
==29409==    by 0x4A64590: run_test (test.h:603)
==29409==    by 0x4A649EE: main (test.h:687)
==29409==

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