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[NTOS:IO]

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- Do not dereference an unsafe ObjectAttributes pointer in IoCreateFile. Spotted by Aleksandar Andrejevic
(I'm removing the OriginalAttributes assignment completely because it's never used, and it generally makes no sense to copy this. ObOpenObjectByName already takes care of everything in attributes)
CORE-7167

svn path=/trunk/; revision=59134
This commit is contained in:
Thomas Faber 2013-06-01 20:50:13 +00:00
parent 6dfd719ee8
commit 6c59bd48c4
1 changed files with 1 additions and 2 deletions
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3
reactos/ntoskrnl/io/iomgr/file.c
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@ -1761,7 +1761,7 @@ IoCreateFile(OUT PHANDLE FileHandle,
SystemEaBuffer = ExAllocatePoolWithTag(NonPagedPool,
EaLength,
TAG_EA);
if(!SystemEaBuffer)
if (!SystemEaBuffer)
{
_SEH2_YIELD(return STATUS_INSUFFICIENT_RESOURCES);
}
@ -1840,7 +1840,6 @@ IoCreateFile(OUT PHANDLE FileHandle,
RtlZeroMemory(&OpenPacket, sizeof(OPEN_PACKET));
OpenPacket.Type = IO_TYPE_OPEN_PACKET;
OpenPacket.Size = sizeof(OPEN_PACKET);
OpenPacket.OriginalAttributes = *ObjectAttributes;
OpenPacket.AllocationSize = SafeAllocationSize;
OpenPacket.CreateOptions = CreateOptions;
OpenPacket.FileAttributes = (USHORT)FileAttributes;