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- Don't access file name buffer if its Length is zero in CdfsMakeAbsoluteFilename
CORE-10459

svn path=/trunk/; revision=69896
This commit is contained in:
Thomas Faber 2015-11-16 11:01:36 +00:00
parent 043845e1cd
commit 5a28e79ccc
1 changed files with 2 additions and 1 deletions
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3
reactos/drivers/filesystems/cdfs/create.c
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@ -50,7 +50,8 @@ CdfsMakeAbsoluteFilename(PFILE_OBJECT FileObject,
/* verify related object is a directory and target name /* verify related object is a directory and target name
don't start with \. */ don't start with \. */
if ((Fcb->Entry.FileFlags & FILE_FLAG_DIRECTORY) == 0 || if ((Fcb->Entry.FileFlags & FILE_FLAG_DIRECTORY) == 0 ||
RelativeFileName->Buffer[0] == L'\\') (RelativeFileName->Length >= sizeof(WCHAR) &&
RelativeFileName->Buffer[0] == L'\\'))
{ {
return STATUS_INVALID_PARAMETER; return STATUS_INVALID_PARAMETER;
} }