From 54803a56a62497f20c2b1109b5fdb7bf261d8e5c Mon Sep 17 00:00:00 2001 From: slzhou Date: Wed, 19 Oct 2022 15:16:18 +0800 Subject: [PATCH 1/3] enhance: add log of initialize resident func --- source/libs/function/src/udfd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c index a319b5a25b..f17867d84b 100644 --- a/source/libs/function/src/udfd.c +++ b/source/libs/function/src/udfd.c @@ -961,6 +961,7 @@ int32_t udfdInitResidentFuncs() { char* token; while ((token = strtok_r(pSave, ",", &pSave)) != NULL) { char func[TSDB_FUNC_NAME_LEN+1] = {0}; + fnInfo("udfd add resident function %s", func); strncpy(func, token, TSDB_FUNC_NAME_LEN); taosArrayPush(global.residentFuncs, func); } From 90bdfd8f0156db679036e9dc6d295acf29354f08 Mon Sep 17 00:00:00 2001 From: slzhou Date: Wed, 19 Oct 2022 15:20:12 +0800 Subject: [PATCH 2/3] enhance: add log of initialize resident func --- source/libs/function/src/udfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c index f17867d84b..0b67fa356a 100644 --- a/source/libs/function/src/udfd.c +++ b/source/libs/function/src/udfd.c @@ -961,8 +961,8 @@ int32_t udfdInitResidentFuncs() { char* token; while ((token = strtok_r(pSave, ",", &pSave)) != NULL) { char func[TSDB_FUNC_NAME_LEN+1] = {0}; - fnInfo("udfd add resident function %s", func); strncpy(func, token, TSDB_FUNC_NAME_LEN); + fnInfo("udfd add resident function %s", func); taosArrayPush(global.residentFuncs, func); } From 0ed1d883c3164a989c87a2c5103b8695746e59c4 Mon Sep 17 00:00:00 2001 From: slzhou Date: Thu, 20 Oct 2022 09:53:08 +0800 Subject: [PATCH 3/3] fix: fix coverity scan issue --- source/libs/function/inc/tudfInt.h | 2 +- source/libs/function/src/tudf.c | 11 ++++++----- source/libs/function/src/udfd.c | 23 ++++++++++++++--------- source/libs/function/test/runUdf.c | 7 +++++-- 4 files changed, 26 insertions(+), 17 deletions(-) diff --git a/source/libs/function/inc/tudfInt.h b/source/libs/function/inc/tudfInt.h index c1b0941d4b..c69d19b8a6 100644 --- a/source/libs/function/inc/tudfInt.h +++ b/source/libs/function/inc/tudfInt.h @@ -35,7 +35,7 @@ enum { }; typedef struct SUdfSetupRequest { - char udfName[TSDB_FUNC_NAME_LEN]; + char udfName[TSDB_FUNC_NAME_LEN + 1]; } SUdfSetupRequest; typedef struct SUdfSetupResponse { diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c index 1483394509..69e58829a0 100644 --- a/source/libs/function/src/tudf.c +++ b/source/libs/function/src/tudf.c @@ -315,7 +315,7 @@ enum { UV_TASK_CONNECT = 0, UV_TASK_REQ_RSP = 1, UV_TASK_DISCONNECT = 2 }; int64_t gUdfTaskSeqNum = 0; typedef struct SUdfcFuncStub { - char udfName[TSDB_FUNC_NAME_LEN]; + char udfName[TSDB_FUNC_NAME_LEN + 1]; UdfcFuncHandle handle; int32_t refCount; int64_t lastRefTime; @@ -353,7 +353,7 @@ typedef struct SUdfcUvSession { int32_t outputLen; int32_t bufSize; - char udfName[TSDB_FUNC_NAME_LEN]; + char udfName[TSDB_FUNC_NAME_LEN + 1]; } SUdfcUvSession; typedef struct SClientUvTaskNode { @@ -898,7 +898,7 @@ int32_t acquireUdfFuncHandle(char *udfName, UdfcFuncHandle *pHandle) { int32_t code = 0; uv_mutex_lock(&gUdfdProxy.udfStubsMutex); SUdfcFuncStub key = {0}; - strcpy(key.udfName, udfName); + strncpy(key.udfName, udfName, TSDB_FUNC_NAME_LEN); int32_t stubIndex = taosArraySearchIdx(gUdfdProxy.udfStubs, &key, compareUdfcFuncSub, TD_EQ); if (stubIndex != -1) { SUdfcFuncStub *foundStub = taosArrayGet(gUdfdProxy.udfStubs, stubIndex); @@ -936,7 +936,7 @@ int32_t acquireUdfFuncHandle(char *udfName, UdfcFuncHandle *pHandle) { void releaseUdfFuncHandle(char *udfName) { uv_mutex_lock(&gUdfdProxy.udfStubsMutex); SUdfcFuncStub key = {0}; - strcpy(key.udfName, udfName); + strncpy(key.udfName, udfName, TSDB_FUNC_NAME_LEN); SUdfcFuncStub *foundStub = taosArraySearch(gUdfdProxy.udfStubs, &key, compareUdfcFuncSub, TD_EQ); if (!foundStub) { uv_mutex_unlock(&gUdfdProxy.udfStubsMutex); @@ -1446,6 +1446,7 @@ int32_t udfcStartUvTask(SClientUvTaskNode *uvTask) { QUEUE_INSERT_TAIL(connTaskQueue, &uvTask->connTaskQueue); int err = uv_write(write, (uv_stream_t *)pipe, &uvTask->reqBuf, 1, onUdfcPipeWrite); if (err != 0) { + taosMemoryFree(write); fnError("udfc event loop start req_rsp task uv_write failed. uvtask: %p, code: %s", uvTask, uv_strerror(err)); } code = err; @@ -1637,7 +1638,7 @@ int32_t doSetupUdf(char udfName[], UdfcFuncHandle *funcHandle) { task->session->outputType = rsp->outputType; task->session->outputLen = rsp->outputLen; task->session->bufSize = rsp->bufSize; - strcpy(task->session->udfName, udfName); + strncpy(task->session->udfName, udfName, TSDB_FUNC_NAME_LEN); if (task->errCode != 0) { fnError("failed to setup udf. udfname: %s, err: %d", udfName, task->errCode) } else { diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c index 0b67fa356a..f8c4f171ba 100644 --- a/source/libs/function/src/udfd.c +++ b/source/libs/function/src/udfd.c @@ -71,7 +71,7 @@ typedef struct SUdf { uv_cond_t condReady; bool resident; - char name[TSDB_FUNC_NAME_LEN]; + char name[TSDB_FUNC_NAME_LEN + 1]; int8_t funcType; int8_t scriptType; int8_t outputType; @@ -188,11 +188,12 @@ void udfdProcessSetupRequest(SUvUdfWork *uvUdf, SUdfRequest *request) { SUdf *udfNew = taosMemoryCalloc(1, sizeof(SUdf)); udfNew->refCount = 1; udfNew->state = UDF_STATE_INIT; - uv_mutex_init(&udfNew->lock); uv_cond_init(&udfNew->condReady); + udf = udfNew; - taosHashPut(global.udfsHash, request->setup.udfName, strlen(request->setup.udfName), &udfNew, sizeof(&udfNew)); + SUdf** pUdf = &udf; + taosHashPut(global.udfsHash, request->setup.udfName, strlen(request->setup.udfName), pUdf, POINTER_BYTES); uv_mutex_unlock(&global.udfsMutex); } @@ -246,7 +247,7 @@ void udfdProcessSetupRequest(SUvUdfWork *uvUdf, SUdfRequest *request) { void udfdProcessCallRequest(SUvUdfWork *uvUdf, SUdfRequest *request) { SUdfCallRequest *call = &request->call; - fnDebug("%" PRId64 "call request. call type %d, handle: %" PRIx64, request->seqNum, call->callType, call->udfHandle); + fnDebug("call request. call type %d, handle: %" PRIx64 ", seq num %" PRId64 , call->callType, call->udfHandle, request->seqNum); SUdfcFuncHandle * handle = (SUdfcFuncHandle *)(call->udfHandle); SUdf * udf = handle->udf; SUdfResponse response = {0}; @@ -372,7 +373,7 @@ void udfdProcessTeardownRequest(SUvUdfWork *uvUdf, SUdfRequest *request) { } taosMemoryFree(handle); - SUdfResponse response; + SUdfResponse response = {0}; SUdfResponse *rsp = &response; rsp->seqNum = request->seqNum; rsp->type = request->type; @@ -428,7 +429,9 @@ void udfdProcessRpcRsp(void *parent, SRpcMsg *pMsg, SEpSet *pEpSet) { } else if (msgInfo->rpcType == UDFD_RPC_RETRIVE_FUNC) { SRetrieveFuncRsp retrieveRsp = {0}; tDeserializeSRetrieveFuncRsp(pMsg->pCont, pMsg->contLen, &retrieveRsp); - + if (retrieveRsp.pFuncInfos == NULL) { + goto _return; + } SFuncInfo *pFuncInfo = (SFuncInfo *)taosArrayGet(retrieveRsp.pFuncInfos, 0); SUdf * udf = msgInfo->param; udf->funcType = pFuncInfo->funcType; @@ -540,7 +543,7 @@ int32_t udfdConnectToMnode() { } int32_t udfdLoadUdf(char *udfName, SUdf *udf) { - strcpy(udf->name, udfName); + strncpy(udf->name, udfName, TSDB_FUNC_NAME_LEN); int32_t err = 0; err = udfdFillUdfInfoFromMNode(global.clientRpc, udf->name, udf); @@ -880,6 +883,8 @@ static int32_t udfdUvInit() { uv_loop_t *loop = taosMemoryMalloc(sizeof(uv_loop_t)); if (loop) { uv_loop_init(loop); + } else { + return -1; } global.loop = loop; @@ -901,12 +906,12 @@ static int32_t udfdUvInit() { if ((r = uv_pipe_bind(&global.listeningPipe, global.listenPipeName))) { fnError("Bind error %s", uv_err_name(r)); removeListeningPipe(); - return -1; + return -2; } if ((r = uv_listen((uv_stream_t *)&global.listeningPipe, 128, udfdOnNewConnection))) { fnError("Listen error %s", uv_err_name(r)); removeListeningPipe(); - return -2; + return -3; } return 0; } diff --git a/source/libs/function/test/runUdf.c b/source/libs/function/test/runUdf.c index f1e3f4c60c..b5d1b1576b 100644 --- a/source/libs/function/test/runUdf.c +++ b/source/libs/function/test/runUdf.c @@ -110,8 +110,11 @@ int aggregateFuncTest() { taosArrayDestroy(pBlock->pDataBlock); doCallUdfAggFinalize(handle, &newBuf, &resultBuf); - fprintf(stderr, "agg result: %f\n", *(double *)resultBuf.buf); - + if (resultBuf.buf != NULL) { + fprintf(stderr, "agg result: %f\n", *(double *)resultBuf.buf); + } else { + fprintf(stderr, "result buffer is null"); + } freeUdfInterBuf(&buf); freeUdfInterBuf(&newBuf); freeUdfInterBuf(&resultBuf);