dsync: Fix an infinite loop

Be sure to update 'name' when traversing the components of a path
in convert_name_to_remote_sep.  Otherwise we end up allocating a
lot of memory and failing.

diff --git a/src/doveadm/dsync/dsync-mailbox-tree.c b/src/doveadm/dsync/dsync-mailbox-tree.c
index 941ddbb22179862a1fd1d37b1632bd23290f351b..baf0fb86ffe9475ac783e878511aefcf4c5d5409 100644 (file)
--- a/src/doveadm/dsync/dsync-mailbox-tree.c
+++ b/src/doveadm/dsync/dsync-mailbox-tree.c
@@ -268,6 +268,7 @@ convert_name_to_remote_sep(struct dsync_mailbox_tree *tree, const char *name)
                const char *end = strchr(name, tree->sep);
                const char *name_part = end == NULL ? name :
                        t_strdup_until(name, end++);
+               name = end;
 
                if (tree->escape_char != '\0')
                        mailbox_list_name_unescape(&name_part, tree->escape_char);