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ZLMediaKit
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修正了Sctp的一个访问越界错误

This commit is contained in:
Sandro 2024-01-04 19:24:38 +08:00
parent b6cbbb4339
commit bd0c473be2
1 changed files with 10 additions and 8 deletions
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18
webrtc/SctpAssociation.cpp
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@ -674,14 +674,15 @@ namespace RTC
case SCTP_COMM_LOST: case SCTP_COMM_LOST:
{ {
if (notification->sn_header.sn_length > 0) auto offset = (char *)&notification->sn_assoc_change.sac_info[0] - (char *)notification;
auto len = (ptrdiff_t)notification->sn_assoc_change.sac_length - offset;
if (len > 0)
{ {
static const size_t BufferSize{ 1024 }; static const size_t BufferSize{ 1024 };
static char buffer[BufferSize]; static char buffer[BufferSize];
uint32_t len = notification->sn_header.sn_length; for (uint32_t i{ 0 }; i < (uint32_t)len; ++i)
for (uint32_t i{ 0 }; i < len; ++i)
{ {
std::snprintf( std::snprintf(
buffer, BufferSize, " 0x%02x", notification->sn_assoc_change.sac_info[i]); buffer, BufferSize, " 0x%02x", notification->sn_assoc_change.sac_info[i]);
@ -742,14 +743,15 @@ namespace RTC
case SCTP_CANT_STR_ASSOC: case SCTP_CANT_STR_ASSOC:
{ {
if (notification->sn_header.sn_length > 0) auto offset = (char *)&notification->sn_assoc_change.sac_info[0] - (char *)notification;
auto len = (ptrdiff_t)notification->sn_assoc_change.sac_length - offset;
if (len > 0)
{ {
static const size_t BufferSize{ 1024 }; static const size_t BufferSize{ 1024 };
static char buffer[BufferSize]; static char buffer[BufferSize];
uint32_t len = notification->sn_header.sn_length; for (uint32_t i{ 0 }; i < (uint32_t)len; ++i)
for (uint32_t i{ 0 }; i < len; ++i)
{ {
std::snprintf( std::snprintf(
buffer, BufferSize, " 0x%02x", notification->sn_assoc_change.sac_info[i]); buffer, BufferSize, " 0x%02x", notification->sn_assoc_change.sac_info[i]);