On 07/06/2015 01:36 PM, Mikhail Maltsev wrote:
---
libiberty/cp-demangle.c | 3 ++-
libiberty/testsuite/demangle-expected | 4 ++++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 44a0a9b..befa6b6 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -103,6 +103,7 @@
#include "config.h"
#endif
+#include <limits.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
@@ -1599,7 +1600,7 @@ d_source_name (struct d_info *di)
struct demangle_component *ret;
len = d_number (di);
- if (len <= 0)
+ if (len <= 0 || len > INT_MAX)
return NULL;
ret = d_identifier (di, len);
di->last_name = ret;
Isn't this only helpful if sizeof (long) > sizeof (int)? Otherwise the
compiler is going to eliminate that newly added test, right?
So with that in mind, what happens on i686-unknown-linux with this test?
Jeff