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fix(combatlog): consume full spell go target lists when capped

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Kelsi 2026-03-14 10:09:04 -07:00
parent c90c8fb8cf
commit 5ecc46623a
3 changed files with 74 additions and 66 deletions
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47
src/game/packet_parsers_tbc.cpp
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@ -1277,32 +1277,33 @@ bool TbcPacketParsers::parseSpellGo(network::Packet& packet, SpellGoData& data)
return true;
}
data.hitCount = packet.readUInt8();
// Cap hit count to prevent OOM from huge target lists
if (data.hitCount > 128) {
LOG_WARNING("[TBC] Spell go: hitCount capped (requested=", (int)data.hitCount, ")");
data.hitCount = 128;
const uint8_t rawHitCount = packet.readUInt8();
if (rawHitCount > 128) {
LOG_WARNING("[TBC] Spell go: hitCount capped (requested=", (int)rawHitCount, ")");
}
data.hitTargets.reserve(data.hitCount);
for (uint8_t i = 0; i < data.hitCount && packet.getReadPos() + 8 <= packet.getSize(); ++i) {
data.hitTargets.push_back(packet.readUInt64()); // full GUID in TBC
const uint8_t storedHitLimit = std::min<uint8_t>(rawHitCount, 128);
data.hitTargets.reserve(storedHitLimit);
for (uint16_t i = 0; i < rawHitCount && packet.getReadPos() + 8 <= packet.getSize(); ++i) {
const uint64_t targetGuid = packet.readUInt64(); // full GUID in TBC
if (i < storedHitLimit) {
data.hitTargets.push_back(targetGuid);
}
}
data.hitCount = static_cast<uint8_t>(data.hitTargets.size());
// Check if we read all expected hits
if (data.hitTargets.size() < data.hitCount) {
if (data.hitTargets.size() < rawHitCount) {
LOG_WARNING("[TBC] Spell go: truncated hit targets at index ", (int)data.hitTargets.size(),
"/", (int)data.hitCount);
data.hitCount = data.hitTargets.size();
"/", (int)rawHitCount);
}
if (packet.getReadPos() < packet.getSize()) {
data.missCount = packet.readUInt8();
// Cap miss count to prevent OOM
if (data.missCount > 128) {
LOG_WARNING("[TBC] Spell go: missCount capped (requested=", (int)data.missCount, ")");
data.missCount = 128;
const uint8_t rawMissCount = packet.readUInt8();
if (rawMissCount > 128) {
LOG_WARNING("[TBC] Spell go: missCount capped (requested=", (int)rawMissCount, ")");
}
data.missTargets.reserve(data.missCount);
for (uint8_t i = 0; i < data.missCount && packet.getReadPos() + 9 <= packet.getSize(); ++i) {
const uint8_t storedMissLimit = std::min<uint8_t>(rawMissCount, 128);
data.missTargets.reserve(storedMissLimit);
for (uint16_t i = 0; i < rawMissCount && packet.getReadPos() + 9 <= packet.getSize(); ++i) {
SpellGoMissEntry m;
m.targetGuid = packet.readUInt64(); // full GUID in TBC
m.missType = packet.readUInt8();
@ -1313,13 +1314,15 @@ bool TbcPacketParsers::parseSpellGo(network::Packet& packet, SpellGoData& data)
(void)packet.readUInt32();
(void)packet.readUInt8();
}
data.missTargets.push_back(m);
if (i < storedMissLimit) {
data.missTargets.push_back(m);
}
}
data.missCount = static_cast<uint8_t>(data.missTargets.size());
// Check if we read all expected misses
if (data.missTargets.size() < data.missCount) {
if (data.missTargets.size() < rawMissCount) {
LOG_WARNING("[TBC] Spell go: truncated miss targets at index ", (int)data.missTargets.size(),
"/", (int)data.missCount);
data.missCount = data.missTargets.size();
"/", (int)rawMissCount);
}
}