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kernel32: Zero initialize module data in fetch_module(). 

Otherwise unitialized name string pointers may be freed
in CreateToolhelp32Snapshot().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49590
Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2020-07-22 16:06:12 +03:00 committed by Alexandre Julliard
parent 24e09ac582
commit 3d54677586
1 changed files with 2 additions and 2 deletions
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4
dlls/kernel32/toolhelp.c
View File

@ -108,9 +108,9 @@ static BOOL fetch_module( DWORD process, DWORD flags, LDR_DATA_TABLE_ENTRY **ldr
while (curr != head)
{
if (!*num)
*ldr_mod = HeapAlloc( GetProcessHeap(), 0, sizeof(LDR_DATA_TABLE_ENTRY) );
*ldr_mod = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LDR_DATA_TABLE_ENTRY) );
else
*ldr_mod = HeapReAlloc( GetProcessHeap(), 0, *ldr_mod,
*ldr_mod = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, *ldr_mod,
(*num + 1) * sizeof(LDR_DATA_TABLE_ENTRY) );
if (!*ldr_mod) break;
if (!ReadProcessMemory( hProcess,