[Bug 46342] New: kernel32/tests/ pipe.c shows uninitialized memory use in test_TransactNamedPipe()

https://bugs.winehq.org/show_bug.cgi?id=46342

Bug ID: 46342
           Summary: kernel32/tests/pipe.c shows uninitialized memory use
                    in test_TransactNamedPipe()
           Product: Wine
           Version: 4.0-rc3
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: Gentoo

../../../tools/runtest -q -P wine -T ../../.. -M kernel32.dll -p
kernel32_test.exe.so pipe && touch pipe.ok
==8919== Syscall param writev(vector[...]) points to uninitialised byte(s)
==8919==    at 0x4356813: writev (writev.c:26)
==8919==    by 0x7BC75457: send_request (server.c:228)
==8919==    by 0x7BC76158: server_call_unlocked (server.c:288)
==8919==    by 0x7BC916EC: virtual_locked_server_call (virtual.c:2083)
==8919==    by 0x7BC41C1A: server_ioctl_file (file.c:1533)
==8919==    by 0x7BC447A5: NtFsControlFile (file.c:1733)
==8919==    by 0x7B470FA4: TransactNamedPipe (sync.c:1747)
==8919==    by 0x4B26CCC: _overlapped_transact_failure (pipe.c:3118)
==8919==    by 0x4B2748E: test_TransactNamedPipe (pipe.c:3346)
==8919==    by 0x4B27817: func_pipe (pipe.c:3735)
==8919==    by 0x4B6E8E4: run_test (test.h:617)
==8919==    by 0x4B6F322: main (test.h:701)
==8919==  Address 0x4eafd22 is on thread 1's stack
==8919==  in frame #8, created by test_TransactNamedPipe (pipe.c:3341)
==8919==  Uninitialised value was created by a stack allocation
==8919==    at 0x4B27446: test_TransactNamedPipe (pipe.c:3341)
==8919==