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[KERNEL32] GlobalMemoryStatusEx should handle error and return FALSE when failed

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This commit is contained in:
Ratin Gao 2023-03-04 14:34:08 +08:00 committed by George Bișoc
parent 1fe3ab7823
commit d09072626b
1 changed files with 31 additions and 14 deletions
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23
dll/win32/kernel32/client/heapmem.c
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@ -1275,6 +1275,7 @@ GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
VM_COUNTERS VmCounters; VM_COUNTERS VmCounters;
QUOTA_LIMITS QuotaLimits; QUOTA_LIMITS QuotaLimits;
ULONGLONG PageFile, PhysicalMemory; ULONGLONG PageFile, PhysicalMemory;
NTSTATUS Status;
if (lpBuffer->dwLength != sizeof(*lpBuffer)) if (lpBuffer->dwLength != sizeof(*lpBuffer))
{ {
@ -1283,10 +1284,15 @@ GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
} }
/* Query performance information */ /* Query performance information */
NtQuerySystemInformation(SystemPerformanceInformation, Status = NtQuerySystemInformation(SystemPerformanceInformation,
&PerformanceInfo, &PerformanceInfo,
sizeof(PerformanceInfo), sizeof(PerformanceInfo),
NULL); NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return FALSE;
}
/* Calculate memory load */ /* Calculate memory load */
lpBuffer->dwMemoryLoad = ((DWORD)(BaseStaticServerData->SysInfo.NumberOfPhysicalPages - lpBuffer->dwMemoryLoad = ((DWORD)(BaseStaticServerData->SysInfo.NumberOfPhysicalPages -
@ -1304,16 +1310,27 @@ GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
lpBuffer->ullAvailPhys = PhysicalMemory; lpBuffer->ullAvailPhys = PhysicalMemory;
/* Query VM and Quota Limits */ /* Query VM and Quota Limits */
NtQueryInformationProcess(NtCurrentProcess(), Status = NtQueryInformationProcess(NtCurrentProcess(),
ProcessQuotaLimits, ProcessQuotaLimits,
&QuotaLimits, &QuotaLimits,
sizeof(QUOTA_LIMITS), sizeof(QUOTA_LIMITS),
NULL); NULL);
NtQueryInformationProcess(NtCurrentProcess(), if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return FALSE;
}
Status = NtQueryInformationProcess(NtCurrentProcess(),
ProcessVmCounters, ProcessVmCounters,
&VmCounters, &VmCounters,
sizeof(VM_COUNTERS), sizeof(VM_COUNTERS),
NULL); NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return FALSE;
}
/* Save the commit limit */ /* Save the commit limit */
lpBuffer->ullTotalPageFile = min(QuotaLimits.PagefileLimit, lpBuffer->ullTotalPageFile = min(QuotaLimits.PagefileLimit,