[Bug 46346] New: ntoskrnl/tests/ntoskrnl.c shows uninitalized memory use

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=46346

            Bug ID: 46346
           Summary: ntoskrnl/tests/ntoskrnl.c shows uninitalized memory
                    use
           Product: Wine
           Version: 4.0-rc3
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: ntoskrnl
          Assignee: wine-bugs at winehq.org
          Reporter: austinenglish at gmail.com
      Distribution: Gentoo

../../../tools/runtest -q -P wine -T ../../.. -M ntoskrnl.exe -p
ntoskrnl.exe_test.exe.so ntoskrnl && touch ntoskrnl.ok
==17895== Syscall param writev(vector[...]) points to uninitialised byte(s)
==17895==    at 0x43567D3: writev (writev.c:26)
==17895==    by 0x7BC75457: send_request (server.c:228)
==17895==    by 0x7BC76158: server_call_unlocked (server.c:288)
==17895==    by 0x7BC916EC: virtual_locked_server_call (virtual.c:2083)
==17895==    by 0x7BC41C1A: server_ioctl_file (file.c:1533)
==17895==    by 0x7BC43368: NtDeviceIoControlFile (file.c:1640)
==17895==    by 0x7B4409AA: DeviceIoControl (file.c:2662)
==17895==    by 0x4A7A518: main_test (ntoskrnl.c:163)
==17895==    by 0x4A7AAE7: func_ntoskrnl (ntoskrnl.c:264)
==17895==    by 0x4A7AEA6: run_test (test.h:617)
==17895==    by 0x4A7B8E4: main (test.h:701)
==17895==  Address 0x492f4e6 is 86 bytes inside a block of size 88 alloc'd
==17895==    at 0x7BC483AD: notify_alloc (heap.c:260)
==17895==    by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726)
==17895==    by 0x4A7A3EC: heap_alloc (heap.h:29)
==17895==    by 0x4A7A484: main_test (ntoskrnl.c:158)
==17895==    by 0x4A7AAE7: func_ntoskrnl (ntoskrnl.c:264)
==17895==    by 0x4A7AEA6: run_test (test.h:617)
==17895==    by 0x4A7B8E4: main (test.h:701)
==17895==  Uninitialised value was created by a client request
==17895==    at 0x7BC4831C: mark_block_uninitialized (heap.c:214)
==17895==    by 0x7BC4A643: initialize_block (heap.c:245)
==17895==    by 0x7BC4B8E7: RtlAllocateHeap (heap.c:1727)
==17895==    by 0x4A7A3EC: heap_alloc (heap.h:29)
==17895==    by 0x4A7A484: main_test (ntoskrnl.c:158)
==17895==    by 0x4A7AAE7: func_ntoskrnl (ntoskrnl.c:264)
==17895==    by 0x4A7AEA6: run_test (test.h:617)
==17895==    by 0x4A7B8E4: main (test.h:701)
==17895==

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