diff options
| -rw-r--r-- | cmds-check.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/cmds-check.c b/cmds-check.c index 1f751575..29c532b9 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -10743,13 +10743,20 @@ static int check_extent_item(struct btrfs_fs_info *fs_info, } end = (unsigned long)ei + item_size; - if (ptr >= end) { +next: + /* Reached extent item end normally */ + if (ptr == end) + goto out; + + /* Beyond extent item end, wrong item size */ + if (ptr > end) { err |= ITEM_SIZE_MISMATCH; + error("extent item at bytenr %llu slot %d has wrong size", + eb->start, slot); goto out; } /* Now check every backref in this extent item */ -next: iref = (struct btrfs_extent_inline_ref *)ptr; type = btrfs_extent_inline_ref_type(eb, iref); offset = btrfs_extent_inline_ref_offset(eb, iref); @@ -10786,8 +10793,7 @@ next: } ptr += btrfs_extent_inline_ref_size(type); - if (ptr < end) - goto next; + goto next; out: return err; |