CID:1301145,1301144: Bit shift bounds checking

diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 630d843911cab99387ab460509591bcb7afafd80..438a3dabd558931f8e1cc0f60158211862261621 100644 (file)
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -1845,9 +1845,11 @@ static void calc_bw_exp(uint32_t bps, uint8_t bits, rtcp_tmmbx_t *tmmbx)
        uint32_t mantissa = 0;
        uint16_t overhead = 60;
 
+       switch_assert(bits<=32);
+
        mantissa_max = (1 << bits) - 1;
 
-       for (i = 0; i < 64; ++i) {
+       for (i = 0; i < 32; ++i) {
                if (bps <= (mantissa_max << i)) {
                        exp = i;
                        break;