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[NTOSKNRL]

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Misc fixes in NtQueryDirectoryFile():
- Don't leak auxbuffer
- Don't allow two completion routines

svn path=/trunk/; revision=74451
This commit is contained in:
Pierre Schweitzer 2017-05-02 21:32:20 +00:00
parent e6825b17d8
commit 335b3f2e4e
1 changed files with 9 additions and 0 deletions
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9
reactos/ntoskrnl/io/iomgr/iofunc.c
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@ -1901,6 +1901,14 @@ NtQueryDirectoryFile(IN HANDLE FileHandle,
return Status;
}
/* Are there two associated completion routines? */
if (FileObject->CompletionContext != NULL && ApcRoutine != NULL)
{
ObDereferenceObject(FileObject);
if (AuxBuffer) ExFreePoolWithTag(AuxBuffer, TAG_SYSB);
return STATUS_INVALID_PARAMETER;
}
/* Check if we have an even handle */
if (EventHandle)
{
@ -1914,6 +1922,7 @@ NtQueryDirectoryFile(IN HANDLE FileHandle,
if (!NT_SUCCESS(Status))
{
/* Fail */
if (AuxBuffer) ExFreePoolWithTag(AuxBuffer, TAG_SYSB);
ObDereferenceObject(FileObject);
return Status;
}