snprintf() is not guaranteed to be safely callable from a signal
handler, so avoid calling it in the default non-verbose case.
---
tests/test-async-sig.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tests/test-async-sig.c b/tests/test-async-sig.c
index ba37c90..9a0d39e 100644
--- a/tests/test-async-sig.c
+++ b/tests/test-async-sig.c
@@ -89,7 +89,8 @@ do_backtrace (int may_print, int get_proc_name)
buf[0] = '\0';
if (get_proc_name || (may_print && verbose))
{
- if (unw_get_proc_name (&cursor, name, sizeof (name), &off) == 0)
+ ret = unw_get_proc_name (&cursor, name, sizeof (name), &off);
+ if (ret == 0 && (may_print && verbose))
{
if (off)
snprintf (buf, sizeof (buf), "<%s+0x%lx>", name, (long) off);
--
1.7.9.5
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