BLE: Fix out of range memory access in trace helper.

2021-01-27 11:35:33 +00:00 · 2021-01-27 11:35:33 +00:00 · e001098699
parent db9428f18f
commit e001098699
1 changed files with 2 additions and 2 deletions
--- a/connectivity/FEATURE_BLE/source/common/ble_trace_helpers.h
+++ b/connectivity/FEATURE_BLE/source/common/ble_trace_helpers.h
@ -56,10 +56,10 @@ static inline char* to_string(const UUID& uuid)
    static char string_buffer[Row_Count][UUID::LENGTH_OF_LONG_UUID + /* Number of hyphen delimiters =*/ 4];
    static uint8_t idx = 0;

+    ++idx;
+
    if (idx == Row_Count) {
        idx= 0;
-    } else {
-        idx++;
    }

    char* p1  = (char *)Buffer + Length - 1;