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-rw-r--r--crypto/block-luks.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/block-luks.c b/crypto/block-luks.c
index 81744e2a8e..6ef9a89ffa 100644
--- a/crypto/block-luks.c
+++ b/crypto/block-luks.c
@@ -595,6 +595,14 @@ qcrypto_block_luks_check_header(const QCryptoBlockLUKS *luks, Error **errp)
return -1;
}
+ if (start1 < DIV_ROUND_UP(sizeof(QCryptoBlockLUKSHeader),
+ QCRYPTO_BLOCK_LUKS_SECTOR_SIZE)) {
+ error_setg(errp,
+ "Keyslot %zu is overlapping with the LUKS header",
+ i);
+ return -1;
+ }
+
if (start1 + len1 > luks->header.payload_offset_sector) {
error_setg(errp,
"Keyslot %zu is overlapping with the encrypted payload",