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fix: heap user after free

This commit is contained in:
kailixu 2024-01-19 10:24:39 +08:00
parent be07c960c4
commit ba48115231
4 changed files with 33 additions and 11 deletions
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1
source/client/inc/clientInt.h
View File

@ -155,6 +155,7 @@ typedef struct STscObj {
int8_t biMode;
int32_t acctId;
uint32_t connId;
int32_t appHbMgrIdx;
int64_t id; // ref ID returned by taosAddRef
TdThreadMutex mutex; // used to protect the operation on db
int32_t numOfReqs; // number of sqlObj bound to this connection

1
source/client/src/clientEnv.c
View File

@ -283,6 +283,7 @@ void *createTscObj(const char *user, const char *auth, const char *db, int32_t c
pObj->connType = connType;
pObj->pAppInfo = pAppInfo;
pObj->appHbMgrIdx = pAppInfo->pAppHbMgr->idx;
tstrncpy(pObj->user, user, sizeof(pObj->user));
memcpy(pObj->pass, auth, TSDB_PASSWORD_LEN);

22
source/client/src/clientHb.c
View File

@ -30,7 +30,7 @@ typedef struct {
};
} SHbParam;
static SClientHbMgr clientHbMgr = {0};
SClientHbMgr clientHbMgr = {0};
static int32_t hbCreateThread();
static void hbStopThread();
@ -1294,9 +1294,8 @@ void hbMgrCleanUp() {
taosThreadMutexLock(&clientHbMgr.lock);
appHbMgrCleanup();
taosArrayDestroy(clientHbMgr.appHbMgrs);
clientHbMgr.appHbMgrs = taosArrayDestroy(clientHbMgr.appHbMgrs);
taosThreadMutexUnlock(&clientHbMgr.lock);
clientHbMgr.appHbMgrs = NULL;
}
int hbRegisterConnImpl(SAppHbMgr *pAppHbMgr, SClientHbKey connKey, int64_t clusterId) {
@ -1335,13 +1334,18 @@ int hbRegisterConn(SAppHbMgr *pAppHbMgr, int64_t tscRefId, int64_t clusterId, in
}
void hbDeregisterConn(STscObj *pTscObj, SClientHbKey connKey) {
SAppHbMgr *pAppHbMgr = pTscObj->pAppInfo->pAppHbMgr;
SClientHbReq *pReq = taosHashAcquire(pAppHbMgr->activeInfo, &connKey, sizeof(SClientHbKey));
if (pReq) {
tFreeClientHbReq(pReq);
taosHashRemove(pAppHbMgr->activeInfo, &connKey, sizeof(SClientHbKey));
taosHashRelease(pAppHbMgr->activeInfo, pReq);
SClientHbReq *pReq = NULL;
taosThreadMutexLock(&clientHbMgr.lock);
SAppHbMgr *pAppHbMgr = taosArrayGetP(clientHbMgr.appHbMgrs, pTscObj->appHbMgrIdx);
if (pAppHbMgr) {
pReq = taosHashAcquire(pAppHbMgr->activeInfo, &connKey, sizeof(SClientHbKey));
if (pReq) {
tFreeClientHbReq(pReq);
taosHashRemove(pAppHbMgr->activeInfo, &connKey, sizeof(SClientHbKey));
taosHashRelease(pAppHbMgr->activeInfo, pReq);
}
}
taosThreadMutexUnlock(&clientHbMgr.lock);
if (NULL == pReq) {
return;

20
source/client/src/clientMsgHandler.c
View File

@ -26,6 +26,8 @@
#include "tname.h"
#include "tversion.h"
extern SClientHbMgr clientHbMgr;
static void setErrno(SRequestObj* pRequest, int32_t code) {
pRequest->code = code;
terrno = code;
@ -63,12 +65,21 @@ int32_t processConnectRsp(void* param, SDataBuf* pMsg, int32_t code) {
STscObj* pTscObj = pRequest->pTscObj;
if (NULL == pTscObj->pAppInfo || NULL == pTscObj->pAppInfo->pAppHbMgr) {
if (NULL == pTscObj->pAppInfo) {
setErrno(pRequest, TSDB_CODE_TSC_DISCONNECTED);
tsem_post(&pRequest->body.rspSem);
goto End;
}
taosThreadMutexLock(&clientHbMgr.lock);
if (NULL == taosArrayGetP(clientHbMgr.appHbMgrs, pTscObj->appHbMgrIdx)) {
taosThreadMutexUnlock(&clientHbMgr.lock);
setErrno(pRequest, TSDB_CODE_TSC_DISCONNECTED);
tsem_post(&pRequest->body.rspSem);
goto End;
}
taosThreadMutexUnlock(&clientHbMgr.lock);
SConnectRsp connectRsp = {0};
if (tDeserializeSConnectRsp(pMsg->pData, pMsg->len, &connectRsp) != 0) {
code = TSDB_CODE_TSC_INVALID_VERSION;
@ -142,7 +153,12 @@ int32_t processConnectRsp(void* param, SDataBuf* pMsg, int32_t code) {
pTscObj->authVer = connectRsp.authVer;
pTscObj->whiteListInfo.ver = connectRsp.whiteListVer;
hbRegisterConn(pTscObj->pAppInfo->pAppHbMgr, pTscObj->id, connectRsp.clusterId, connectRsp.connType);
taosThreadMutexLock(&clientHbMgr.lock);
SAppHbMgr* pAppHbMgr = taosArrayGetP(clientHbMgr.appHbMgrs, pTscObj->appHbMgrIdx);
if (pAppHbMgr) {
hbRegisterConn(pAppHbMgr, pTscObj->id, connectRsp.clusterId, connectRsp.connType);
}
taosThreadMutexUnlock(&clientHbMgr.lock);
tscDebug("0x%" PRIx64 " clusterId:%" PRId64 ", totalConn:%" PRId64, pRequest->requestId, connectRsp.clusterId,
pTscObj->pAppInfo->numOfConns);