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-rw-r--r--fs/btrfs/export.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 87144c9f9593..fa66980726c9 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -282,6 +282,11 @@ static int btrfs_get_name(struct dentry *parent, char *name,
name_len = btrfs_inode_ref_name_len(leaf, iref);
}
+ ret = btrfs_is_name_len_valid(leaf, path->slots[0], name_ptr, name_len);
+ if (!ret) {
+ btrfs_free_path(path);
+ return -EIO;
+ }
read_extent_buffer(leaf, name, name_ptr, name_len);
btrfs_free_path(path);