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CID:1301145,1301144: Bit shift bounds checking

This commit is contained in:
Michael Jerris 2015-05-27 18:14:49 -04:00
parent cdead84d3b
commit 4dfbbc6742
1 changed files with 3 additions and 1 deletions
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4
src/switch_rtp.c
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@ -1845,9 +1845,11 @@ static void calc_bw_exp(uint32_t bps, uint8_t bits, rtcp_tmmbx_t *tmmbx)
uint32_t mantissa = 0; uint32_t mantissa = 0;
uint16_t overhead = 60; uint16_t overhead = 60;
switch_assert(bits<=32);
mantissa_max = (1 << bits) - 1; mantissa_max = (1 << bits) - 1;
for (i = 0; i < 64; ++i) { for (i = 0; i < 32; ++i) {
if (bps <= (mantissa_max << i)) { if (bps <= (mantissa_max << i)) {
exp = i; exp = i;
break; break;