From ebb78c5b24a72d5984fa4c9aabff6cccae102dc0 Mon Sep 17 00:00:00 2001 From: Richard Mudgett Date: Tue, 10 Jan 2017 17:37:38 -0600 Subject: [PATCH] astobj2.c: Add excessive ref count trap. Change-Id: I32e6a589cf9009450e4ff7cb85c07c9d9ef7fe4a --- main/astobj2.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/main/astobj2.c b/main/astobj2.c index 314bedda21..71a81eacfa 100644 --- a/main/astobj2.c +++ b/main/astobj2.c @@ -526,6 +526,20 @@ int __ao2_ref(void *user_data, int delta, if (0 < current_value) { /* The object still lives. */ +#define EXCESSIVE_REF_COUNT 100000 + + if (EXCESSIVE_REF_COUNT <= current_value && ret < EXCESSIVE_REF_COUNT) { + char excessive_ref_buf[100]; + + /* We just reached or went over the excessive ref count trigger */ + snprintf(excessive_ref_buf, sizeof(excessive_ref_buf), + "Excessive refcount %d reached on ao2 object %p", + current_value, user_data); + ast_log(__LOG_ERROR, file, line, func, "%s\n", excessive_ref_buf); + + __ast_assert_failed(0, excessive_ref_buf, file, line, func); + } + if (ref_log && tag) { fprintf(ref_log, "%p,%s%d,%d,%s,%d,%s,%d,%s\n", user_data, (delta < 0 ? "" : "+"), delta, ast_get_tid(), -- 2.47.2