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-rw-r--r--drivers/md/dm-ioctl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 54d0588fc1f..977f36612e8 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -704,7 +704,8 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size)
char *new_name = (char *) param + param->data_start;
if (new_name < param->data ||
- invalid_str(new_name, (void *) param + param_size)) {
+ invalid_str(new_name, (void *) param + param_size) ||
+ strlen(new_name) > DM_NAME_LEN - 1) {
DMWARN("Invalid new logical volume name supplied.");
return -EINVAL;
}