44 lines
1.1 KiB
Diff
44 lines
1.1 KiB
Diff
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From d97cca1e5df812be0e4de1e38091f02bb1e7ec4e Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Tue, 1 Aug 2023 10:27:15 +0200
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Subject: [PATCH] stdlib: Improve tst-realpath compatibility with source
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fortification
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On GCC before 11, IPA can make the fortified realpath aware that the
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buffer size is not large enough (8 bytes instead of PATH_MAX bytes).
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Fix this by using a buffer that is large enough.
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(cherry picked from commit 510fc20d73de12c85823d9996faac74666e9c2e7)
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---
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stdlib/tst-realpath.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/stdlib/tst-realpath.c b/stdlib/tst-realpath.c
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index f325c95a44..3694ecd8af 100644
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--- a/stdlib/tst-realpath.c
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+++ b/stdlib/tst-realpath.c
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@@ -24,6 +24,7 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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+#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <malloc.h>
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@@ -50,7 +51,11 @@ void dealloc (void *p)
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char* alloc (void)
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{
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- return (char *)malloc (8);
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+#ifdef PATH_MAX
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+ return (char *)malloc (PATH_MAX);
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+#else
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+ return (char *)malloc (4096);
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+#endif
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}
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static int
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--
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2.33.0
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