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-rw-r--r--ChangeLog3
-rw-r--r--malloc/arena.c4
2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 1b5b03e666..dae71cecec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2015-08-24  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
+	* malloc/arena.c (arena_get_retry): Don't use main_arena if it
+	is corrupt.
+
 	* malloc/arena.c (arena_get2): Drop unused argument.
 	(arena_lock): Adjust.
 	(arena_get_retry): Likewise.
diff --git a/malloc/arena.c b/malloc/arena.c
index cfec94d182..b44e307ade 100644
--- a/malloc/arena.c
+++ b/malloc/arena.c
@@ -909,6 +909,10 @@ arena_get_retry (mstate ar_ptr, size_t bytes)
   if (ar_ptr != &main_arena)
     {
       (void) mutex_unlock (&ar_ptr->mutex);
+      /* Don't touch the main arena if it is corrupt.  */
+      if (arena_is_corrupt (&main_arena))
+	return NULL;
+
       ar_ptr = &main_arena;
       (void) mutex_lock (&ar_ptr->mutex);
     }