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[DEVMGR] Avoid buffer overflow when device reg key size is > 100 chars

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Victor Perevertkin 2020-10-22 14:38:55 +03:00
parent bbe47e61b1
commit 953c03c336
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1 changed files with 5 additions and 3 deletions
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8
dll/win32/devmgr/properties/hwresource.cpp
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@ -357,13 +357,15 @@ PVOID
GetResourceList(
LPWSTR pszDeviceID)
{
WCHAR szBuffer[100];
PCM_RESOURCE_LIST pResourceList = NULL;
HKEY hKey = NULL;
DWORD dwError, dwSize;
wsprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Enum\\%s\\LogConf", pszDeviceID);
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ, &hKey);
CStringW keyName = L"SYSTEM\\CurrentControlSet\\Enum\\";
keyName += pszDeviceID;
keyName += L"\\LogConf";
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyName, 0, KEY_READ, &hKey);
if (dwError != ERROR_SUCCESS)
{
/* failed to open device instance log conf dir */