[tor-commits] [tor/maint-0.2.7] Fix memory leak in rend_cache_failure_entry_free()

[nickm@xxxxxxxxxxxxxx]

commit aa96abe66b7ac507e927d4cfe37d78eaf754179e
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Oct 21 10:52:57 2015 -0400

    Fix memory leak in rend_cache_failure_entry_free()
    
    Bug 17402.
---
 changes/bug17402   |    3 +++
 src/or/rendcache.c |   14 +++++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/changes/bug17402 b/changes/bug17402
new file mode 100644
index 0000000..4760e00
--- /dev/null
+++ b/changes/bug17402
@@ -0,0 +1,3 @@
+  o Major bugfixes (memory leak):
+    - Fix a memory leak in rend_cache_failure_entry_free().
+      Fixes bug 17402; bugfix on 0.2.7.3-rc.
diff --git a/src/or/rendcache.c b/src/or/rendcache.c
index 4a12b08..93f4440 100644
--- a/src/or/rendcache.c
+++ b/src/or/rendcache.c
@@ -122,6 +122,12 @@ rend_cache_failure_intro_entry_free(rend_cache_failure_intro_t *entry)
   tor_free(entry);
 }
 
+static void
+rend_cache_failure_intro_entry_free_(void *entry)
+{
+  rend_cache_failure_intro_entry_free_(entry);
+}
+
 /** Allocate a rend cache failure intro object and return it. <b>failure</b>
  * is set into the object. This function can not fail. */
 static rend_cache_failure_intro_t *
@@ -142,11 +148,9 @@ rend_cache_failure_entry_free(rend_cache_failure_t *entry)
   }
 
   /* Free and remove every intro failure object. */
-  DIGESTMAP_FOREACH_MODIFY(entry->intro_failures, key,
-                           rend_cache_failure_intro_t *, e) {
-    rend_cache_failure_intro_entry_free(e);
-    MAP_DEL_CURRENT(key);
-  } DIGESTMAP_FOREACH_END;
+  digestmap_free(entry->intro_failures,
+                 rend_cache_failure_intro_entry_free_);
+
   tor_free(entry);
 }
 

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