From: Vsevolod Stakhov Date: Thu, 15 Mar 2018 17:45:17 +0000 (+0000) Subject: [Fix] Do not allow dependencies on self X-Git-Tag: 1.7.1~36 X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=410f6688754aaca5f3b993f0781e196afcfbf66e;p=rspamd.git [Fix] Do not allow dependencies on self --- diff --git a/src/libserver/symbols_cache.c b/src/libserver/symbols_cache.c index 5f710d459..5db23bd66 100644 --- a/src/libserver/symbols_cache.c +++ b/src/libserver/symbols_cache.c @@ -413,6 +413,8 @@ rspamd_symbols_cache_post_init (struct symbols_cache *cache) "%s is missing", ddep->from, ddep->to, ddep->from); } else { + msg_debug_cache ("delayed between %s(%d) -> %s", ddep->from, + it->id, ddep->to); rspamd_symbols_cache_add_dependency (cache, it->id, ddep->to); } @@ -457,15 +459,24 @@ rspamd_symbols_cache_post_init (struct symbols_cache *cache) dit = g_ptr_array_index (cache->items_by_id, dit->parent); } - rdep = rspamd_mempool_alloc (cache->static_pool, sizeof (*rdep)); - rdep->sym = dep->sym; - rdep->item = it; - rdep->id = i; - g_ptr_array_add (dit->rdeps, rdep); - dep->item = dit; - dep->id = dit->id; - - msg_debug_cache ("add dependency from %d on %d", it->id, dit->id); + if (dit->id == i) { + msg_err_cache ("cannot add dependency on self: %s -> %s " + "(resolved to %s)", + it->symbol, dep->sym, dit->symbol); + } + else { + rdep = rspamd_mempool_alloc (cache->static_pool, + sizeof (*rdep)); + rdep->sym = dep->sym; + rdep->item = it; + rdep->id = i; + g_ptr_array_add (dit->rdeps, rdep); + dep->item = dit; + dep->id = dit->id; + + msg_debug_cache ("add dependency from %d on %d", it->id, + dit->id); + } } else { msg_err_cache ("cannot find dependency on symbol %s", dep->sym);