[Bug 46693] New: valgrind shows an invalid read in ntdll/tests/file.c

https://bugs.winehq.org/show_bug.cgi?id=46693

Bug ID: 46693
           Summary: valgrind shows an invalid read in ntdll/tests/file.c
           Product: Wine
           Version: 4.2
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: Gentoo

==22797== Invalid read of size 1
==22797==    at 0x7BC92413: virtual_check_buffer_for_write (virtual.c:2274)
==22797==    by 0x7BC47536: NtFlushBuffersFile (file.c:3316)
==22797==    by 0x4A9CD25: test_flush_buffers_file (file.c:4705)
==22797==    by 0x4AAC361: func_file (file.c:4797)
==22797==    by 0x4AF5941: run_test (test.h:617)
==22797==    by 0x4AF637F: main (test.h:701)
==22797==  Address 0xdeadbeaf is on thread 1's stack
==22797==

==22797== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 6 from 6)
==22797==
==22797== 1 errors in context 1 of 1:
==22797== Invalid read of size 1
==22797==    at 0x7BC92413: virtual_check_buffer_for_write (virtual.c:2274)
==22797==    by 0x7BC47536: NtFlushBuffersFile (file.c:3316)
==22797==    by 0x4A9CD25: test_flush_buffers_file (file.c:4705)
==22797==    by 0x4AAC361: func_file (file.c:4797)
==22797==    by 0x4AF5941: run_test (test.h:617)
==22797==    by 0x4AF637F: main (test.h:701)
==22797==  Address 0xdeadbeaf is on thread 1's stack
==22797==