[Bug 38676] New: valgrind shows an invalid read in dlls/kernel32/tests/file.c:test_CreateFileA()

https://bugs.winehq.org/show_bug.cgi?id=38676

            Bug ID: 38676
           Summary: valgrind shows an invalid read in
                    dlls/kernel32/tests/file.c:test_CreateFileA()
           Product: Wine
           Version: 1.7.44
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: wine-bugs(a)winehq.org
          Reporter: austinenglish(a)gmail.com
      Distribution: Fedora

../../../tools/runtest -q -P wine -T ../../.. -M kernel32.dll -p
kernel32_test.exe.so file && touch file.ok
==14521== Invalid read of size 1
==14521==    at 0x4F7A2A63: getmntent_r (in /usr/lib/libc-2.21.so)
==14521==    by 0x4F7A2832: getmntent (in /usr/lib/libc-2.21.so)
==14521==    by 0x7BC3B580: parse_mount_entries (directory.c:573)
==14521==    by 0x7BC3B6E8: get_default_drive_device (directory.c:706)
==14521==    by 0x7BC3EE67: get_dos_device (directory.c:2760)
==14521==    by 0x7BC40064: wine_nt_to_unix_file_name (directory.c:3164)
==14521==    by 0x7BC3FB9C: nt_to_unix_file_name_attr (directory.c:3061)
==14521==    by 0x7BC4310C: FILE_CreateFile (file.c:177)
==14521==    by 0x7BC4357B: NtCreateFile (file.c:323)
==14521==    by 0x7B83E3F3: CreateFileW (file.c:1499)
==14521==    by 0x7B83E63F: CreateFileA (file.c:1555)
==14521==    by 0x47E0275: test_CreateFileA (file.c:1295)
==14521==    by 0x47F1B1E: func_file (file.c:4575)
==14521==    by 0x4893BD4: run_test (test.h:584)
==14521==    by 0x489401C: main (test.h:666)
==14521==  Address 0x5563eb7 is 1 bytes before a block of size 4,096 alloc'd
==14521==    at 0x400719E: malloc (vg_replace_malloc.c:299)
==14521==    by 0x4F7A27D8: allocate (in /usr/lib/libc-2.21.so)
==14521==    by 0x4F89542B: __pthread_once_slow (in
/usr/lib/libpthread-2.21.so)
==14521==    by 0x4F7A2862: getmntent (in /usr/lib/libc-2.21.so)
==14521==    by 0x7BC3B580: parse_mount_entries (directory.c:573)
==14521==    by 0x7BC3B68B: get_default_drive_device (directory.c:700)
==14521==    by 0x7BC3EE67: get_dos_device (directory.c:2760)
==14521==    by 0x7BC40064: wine_nt_to_unix_file_name (directory.c:3164)
==14521==    by 0x7BC3FB9C: nt_to_unix_file_name_attr (directory.c:3061)
==14521==    by 0x7BC4310C: FILE_CreateFile (file.c:177)
==14521==    by 0x7BC4357B: NtCreateFile (file.c:323)
==14521==    by 0x7B83E3F3: CreateFileW (file.c:1499)
==14521==    by 0x7B83E63F: CreateFileA (file.c:1555)
==14521==    by 0x47E0275: test_CreateFileA (file.c:1295)
==14521==    by 0x47F1B1E: func_file (file.c:4575)
==14521==    by 0x4893BD4: run_test (test.h:584)
==14521==    by 0x489401C: main (test.h:666)

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[Bug 38676] valgrind shows an invalid read in dlls/kernel32/tests/file.c:test_CreateFileA()

https://bugs.winehq.org/show_bug.cgi?id=38676

--- Comment #1 from Alexandre Julliard <julliard(a)winehq.org> ---
*** Bug 38679 has been marked as a duplicate of this bug. ***

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[Bug 38676] valgrind shows an invalid read in dlls/kernel32/tests/file.c:test_CreateFileA()

https://bugs.winehq.org/show_bug.cgi?id=38676

--- Comment #2 from Alexandre Julliard <julliard(a)winehq.org> ---
*** Bug 38686 has been marked as a duplicate of this bug. ***

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[Bug 38676] valgrind shows an invalid read in dlls/kernel32/tests/file.c:test_CreateFileA()

https://bugs.winehq.org/show_bug.cgi?id=38676

Thomas Faller <tfaller1(a)gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tfaller1(a)gmx.de

--- Comment #3 from Thomas Faller <tfaller1(a)gmx.de> ---
I can't reproduce this bug with a newer glibc (tested with version 2.21).
Can you confirm this?

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[Bug 38676] valgrind shows an invalid read in dlls/kernel32/tests/file.c:test_CreateFileA()

https://bugs.winehq.org/show_bug.cgi?id=38676

--- Comment #4 from Austin English <austinenglish(a)gmail.com> ---
(In reply to Thomas Faller from comment #3)
> I can't reproduce this bug with a newer glibc (tested with version 2.21).
> Can you confirm this?

I'm using 2.21 as well (2.21-8.fc22), and can still reproduce.

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