diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 97f487c3d8fc..563c4af533ac 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1397,6 +1397,12 @@ static int journal_check_superblock(journal_t *journal) } } + if (sb->s_sequence == U32_MAX) { + pr_err("JBD2: Load a too big s_sequence: %u, %s\n", + sb->s_sequence, __func__); + return err; + } + return 0; }