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* [gcc(refs/vendors/redhat/heads/gcc-8-branch)] testsuite/98002 - fix gcc.dg/strncmp-2.c
@ 2021-04-23 10:22 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2021-04-23 10:22 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:6724d053925c4dccc7f4dd7f4fb38f4b62020c6f
commit 6724d053925c4dccc7f4dd7f4fb38f4b62020c6f
Author: Richard Biener <rguenther@suse.de>
Date: Thu Nov 26 10:07:06 2020 +0100
testsuite/98002 - fix gcc.dg/strncmp-2.c
This makes sure not to free() memory we have mprotected to PROT_NONE
by calling mprotect again with PROT_READ|PROT_WRITE. This avoids
crashing the allocator when in debug mode.
2020-11-16 Richard Biener <rguenther@suse.de>
PR testsuite/98002
* gcc.dg/strncmp-2.c: Call mprotect again before free.
(cherry picked from commit 5b3a8fad18324cd38c221bdb0ae2b690fc82ede0)
Diff:
---
gcc/testsuite/gcc.dg/strncmp-2.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/gcc/testsuite/gcc.dg/strncmp-2.c b/gcc/testsuite/gcc.dg/strncmp-2.c
index f5555ba4081..40a4f501448 100644
--- a/gcc/testsuite/gcc.dg/strncmp-2.c
+++ b/gcc/testsuite/gcc.dg/strncmp-2.c
@@ -40,6 +40,7 @@ static void test_driver_strncmp (void (test_strncmp)(const char *, const char *,
e = lib_memcmp(buf1,p2,sz);
(*test_memcmp)(buf1,p2,e);
}
+ mprotect (buf2+pgsz,pgsz,PROT_READ|PROT_WRITE);
free(buf2);
}
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