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-rw-r--r--fs/ubifs/replay.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index 3187925..9b40a1c 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -1028,9 +1028,22 @@ int ubifs_replay_journal(struct ubifs_info *c)
do {
err = replay_log_leb(c, lnum, 0, c->sbuf);
- if (err == 1)
- /* We hit the end of the log */
- break;
+ if (err == 1) {
+ if (lnum != c->lhead_lnum)
+ /* We hit the end of the log */
+ break;
+
+ /*
+ * The head of the log must always start with the
+ * "commit start" node on a properly formatted UBIFS.
+ * But we found no nodes at all, which means that
+ * someting went wrong and we cannot proceed mounting
+ * the file-system.
+ */
+ ubifs_err("no UBIFS nodes found at the log head LEB %d:%d, possibly corrupted",
+ lnum, 0);
+ err = -EINVAL;
+ }
if (err)
goto out;
lnum = ubifs_next_log_lnum(c, lnum);
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