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| author | Richard Biener <rguenther@suse.de> | 2020-11-26 10:07:06 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-12-01 11:38:24 +0100 |
| commit | 427fe143a43ba13497759e1482ce683deed9a00b (patch) | |
| tree | 8a7c585044f9195acd075216199c1ced379c9cde /gcc | |
| parent | 46384dc73076d945c9222b3f0850a9aa3e694eda (diff) | |
| download | gcc-427fe143a43ba13497759e1482ce683deed9a00b.zip gcc-427fe143a43ba13497759e1482ce683deed9a00b.tar.gz gcc-427fe143a43ba13497759e1482ce683deed9a00b.tar.bz2 | |
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)
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/strncmp-2.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/strncmp-2.c b/gcc/testsuite/gcc.dg/strncmp-2.c index f5555ba..40a4f50 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); } |