47 lines
1.2 KiB
Diff
47 lines
1.2 KiB
Diff
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commit f34f146e682d8d529dcf64b3c2781bf3f2f05f6c
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Fri Feb 12 12:57:40 2016 +0100
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hsearch_r: Apply VM size limit in test case
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diff --git a/misc/bug18240.c b/misc/bug18240.c
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index 4b26865..773586e 100644
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--- a/misc/bug18240.c
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+++ b/misc/bug18240.c
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@@ -22,6 +22,7 @@
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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+#include <sys/resource.h>
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static void
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test_size (size_t size)
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@@ -58,6 +59,27 @@ test_size (size_t size)
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static int
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do_test (void)
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{
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+ /* Limit the size of the process, so that memory allocation will
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+ fail without impacting the entire system. */
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+ {
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+ struct rlimit limit;
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+ if (getrlimit (RLIMIT_AS, &limit) != 0)
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+ {
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+ printf ("getrlimit (RLIMIT_AS) failed: %m\n");
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+ return 1;
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+ }
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+ long target = 100 * 1024 * 1024;
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+ if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target)
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+ {
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+ limit.rlim_cur = target;
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+ if (setrlimit (RLIMIT_AS, &limit) != 0)
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+ {
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+ printf ("setrlimit (RLIMIT_AS) failed: %m\n");
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+ return 1;
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+ }
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+ }
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+ }
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+
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test_size (500);
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test_size (-1);
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test_size (-3);
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