GNU C Library master sources branch release/2.22/master updated. glibc-2.22-39-g4660fb2

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=4660fb2714c52dba4addab496b3f1ae8e6c633b3

commit 4660fb2714c52dba4addab496b3f1ae8e6c633b3
Author: Florian Weimer <fweimer@redhat.com>
Date:   Fri Feb 12 12:57:40 2016 +0100

    hsearch_r: Apply VM size limit in test case
    
    (cherry picked from commit f34f146e682d8d529dcf64b3c2781bf3f2f05f6c)

diff --git a/ChangeLog b/ChangeLog
index ed20b9b..58df7c8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-02-12  Florian Weimer  <fweimer@redhat.com>
+
+	* misc/bug18240.c (do_test): Set RLIMIT_AS.
+
 2016-01-27  Paul Eggert  <eggert@cs.ucla.edu>
 
 	[BZ #18240]
diff --git a/misc/bug18240.c b/misc/bug18240.c
index 4b26865..773586e 100644
--- a/misc/bug18240.c
+++ b/misc/bug18240.c
@@ -22,6 +22,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/resource.h>
 
 static void
 test_size (size_t size)
@@ -58,6 +59,27 @@ test_size (size_t size)
 static int
 do_test (void)
 {
+  /* Limit the size of the process, so that memory allocation will
+     fail without impacting the entire system.  */
+  {
+    struct rlimit limit;
+    if (getrlimit (RLIMIT_AS, &limit) != 0)
+      {
+        printf ("getrlimit (RLIMIT_AS) failed: %m\n");
+        return 1;
+      }
+    long target = 100 * 1024 * 1024;
+    if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target)
+      {
+        limit.rlim_cur = target;
+        if (setrlimit (RLIMIT_AS, &limit) != 0)
+          {
+            printf ("setrlimit (RLIMIT_AS) failed: %m\n");
+            return 1;
+          }
+      }
+  }
+
   test_size (500);
   test_size (-1);
   test_size (-3);

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog       |    4 ++++
 misc/bug18240.c |   22 ++++++++++++++++++++++
 2 files changed, 26 insertions(+), 0 deletions(-)


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