From: Szabolcs Nagy <nsz@port70.net>
Date: Wed, 23 Sep 2015 18:19:34 +0000 (+0000)
Subject: regcomp: propagate allocation failures
X-Git-Tag: v1.1.12~27
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4260dfe1ecc43d92d1e6d30daa0f22bd746d1740;p=oweals%2Fmusl.git

regcomp: propagate allocation failures

The error code of an allocating function was not checked in tre_add_tag.
---

diff --git a/src/regex/regcomp.c b/src/regex/regcomp.c
index 978dd87f..330de467 100644
--- a/src/regex/regcomp.c
+++ b/src/regex/regcomp.c
@@ -1584,7 +1584,8 @@ tre_add_tags(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree,
 		  {
 		    status = tre_add_tag_right(mem, left, tag_left);
 		    tnfa->tag_directions[tag_left] = TRE_TAG_MAXIMIZE;
-		    status = tre_add_tag_right(mem, right, tag_right);
+		    if (status == REG_OK)
+		      status = tre_add_tag_right(mem, right, tag_right);
 		    tnfa->tag_directions[tag_right] = TRE_TAG_MAXIMIZE;
 		  }
 		num_tags += 2;