diff options
Diffstat (limited to 'src/Format/InPlace.c')
| -rw-r--r-- | src/Format/InPlace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/Format/InPlace.c b/src/Format/InPlace.c index 4a16fd4f..f6166dab 100644 --- a/src/Format/InPlace.c +++ b/src/Format/InPlace.c @@ -89,6 +89,8 @@ static __int64 NewFileSysSizeAfterShrink (HANDLE dev, const wchar_t *devicePath, } if ( (ntfsVolData.NumberSectors.QuadPart <= 0) + || (ntfsVolData.BytesPerSector == 0) + || (ntfsVolData.BytesPerSector >= (DWORD) UINT_MAX) || (ntfsVolData.NumberSectors.QuadPart > (INT64_MAX / (__int64) ntfsVolData.BytesPerSector)) // overflow test ) { |