diff options
Diffstat (limited to 'lib/ext2fs/mkjournal.c')
| -rw-r--r-- | lib/ext2fs/mkjournal.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ext2fs/mkjournal.c b/lib/ext2fs/mkjournal.c index 7f78291d..a90e80e0 100644 --- a/lib/ext2fs/mkjournal.c +++ b/lib/ext2fs/mkjournal.c @@ -401,6 +401,8 @@ errcode_t ext2fs_add_journal_device(ext2_filsys fs, ext2_filsys journal_dev) /* Check and see if this filesystem has already been added */ nr_users = ntohl(jsb->s_nr_users); + if (nr_users > JFS_USERS_MAX) + return EXT2_ET_CORRUPT_JOURNAL_SB; for (i=0; i < nr_users; i++) { if (memcmp(fs->super->s_uuid, &jsb->s_users[i*16], 16) == 0) |