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Add proper error message for invalid device_size reencryption argument.

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Ondrej Kozina
2022-06-13 11:59:51 +02:00
parent 3a4e38736c
commit 2240e75bb9
1 changed files with 8 additions and 0 deletions
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8
lib/luks2/luks2_reencrypt.c
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@@ -2429,6 +2429,14 @@ static int reencrypt_init(struct crypt_device *cd,
data_size -= data_offset; data_size -= data_offset;
if (params->device_size) {
if ((params->device_size << SECTOR_SHIFT) > data_size) {
log_err(cd, _("Reduced data size is larger than real device size."));
return -EINVAL;
} else
data_size = params->device_size << SECTOR_SHIFT;
}
if (MISALIGNED(data_size, check_sector_size)) { if (MISALIGNED(data_size, check_sector_size)) {
log_err(cd, _("Data device is not aligned to encryption sector size (%" PRIu32 " bytes)."), check_sector_size); log_err(cd, _("Data device is not aligned to encryption sector size (%" PRIu32 " bytes)."), check_sector_size);
return -EINVAL; return -EINVAL;