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ntdll: Fix an out-of-bounds read (Coverity).

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class FileRenameInformationEx to FileKnownFolderInformation could cause an out-of-bounds read of info_sizes.
This commit is contained in:
Zhiyi Zhang 2023-11-25 23:26:58 +08:00 committed by Alexandre Julliard
parent 5e9663c064
commit 1ab1c97087
1 changed files with 13 additions and 1 deletions
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14
dlls/ntdll/unix/file.c
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@ -4264,7 +4264,7 @@ NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC
NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
void *ptr, ULONG len, FILE_INFORMATION_CLASS class )
{
static const size_t info_sizes[] =
static const size_t info_sizes[FileMaximumInformation] =
{
0,
sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
@ -4331,6 +4331,18 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
0, /* FileHardLinkFullIdInformation */
0, /* FileIdExtdBothDirectoryInformation */
0, /* FileDispositionInformationEx */
0, /* FileRenameInformationEx */
0, /* FileRenameInformationExBypassAccessCheck */
0, /* FileDesiredStorageClassInformation */
0, /* FileStatInformation */
0, /* FileMemoryPartitionInformation */
0, /* FileStatLxInformation */
0, /* FileCaseSensitiveInformation */
0, /* FileLinkInformationEx */
0, /* FileLinkInformationExBypassAccessCheck */
0, /* FileStorageReserveIdInformation */
0, /* FileCaseSensitiveInformationForceAccessCheck */
0, /* FileKnownFolderInformation */
};
struct stat st;