VeraCrypt
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-rw-r--r--src/Format/InPlace.c2
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
)
{