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Hotfix/sangshuduo/td 4918 taosdemo sub afterconsume for develop (#6689) 

* [TD-4918]<fix>: taosdemo subscribe endAfterResume.

* fix heap use-after-free issue.

Co-authored-by: Shuduo Sang <sdsang@taosdata.com>
This commit is contained in:
Shuduo Sang 2021-06-30 21:35:26 +08:00 committed by GitHub
parent 067219376c
commit f7c6347c50
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 9 additions and 5 deletions
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2
src/client/src/tscServer.c
View File

@ -484,8 +484,8 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg, SRpcEpSet *pEpSet) {
}
if (shouldFree) { // in case of table-meta/vgrouplist query, automatically free it
taosRemoveRef(tscObjRef, handle);
tscDebug("0x%"PRIx64" sqlObj is automatically freed", pSql->self);
taosRemoveRef(tscObjRef, handle);
}
taosReleaseRef(tscObjRef, handle);

8
src/kit/taosdemo/taosdemo.c
View File

@ -636,6 +636,9 @@ static FILE * g_fpOfInsertResult = NULL;
#define errorPrint(fmt, ...) \
do { fprintf(stderr, "ERROR: "fmt, __VA_ARGS__); } while(0)
// for strncpy buffer overflow
#define min(a, b) (((a) < (b)) ? (a) : (b))
///////////////////////////////////////////////////
@ -2574,7 +2577,7 @@ static int getSuperTableFromServer(TAOS * taos, char* dbName,
fields[TSDB_DESCRIBE_METRIC_FIELD_INDEX].bytes);
tstrncpy(superTbls->tags[tagIndex].dataType,
(char *)row[TSDB_DESCRIBE_METRIC_TYPE_INDEX],
fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes);
min(15, fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes));
superTbls->tags[tagIndex].dataLen =
*((int *)row[TSDB_DESCRIBE_METRIC_LENGTH_INDEX]);
tstrncpy(superTbls->tags[tagIndex].note,
@ -2587,7 +2590,7 @@ static int getSuperTableFromServer(TAOS * taos, char* dbName,
fields[TSDB_DESCRIBE_METRIC_FIELD_INDEX].bytes);
tstrncpy(superTbls->columns[columnIndex].dataType,
(char *)row[TSDB_DESCRIBE_METRIC_TYPE_INDEX],
fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes);
min(15, fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes));
superTbls->columns[columnIndex].dataLen =
*((int *)row[TSDB_DESCRIBE_METRIC_LENGTH_INDEX]);
tstrncpy(superTbls->columns[columnIndex].note,
@ -7472,7 +7475,6 @@ static void *specifiedSubscribe(void *sarg) {
}
}
taos_free_result(g_queryInfo.specifiedQueryInfo.res[pThreadInfo->threadID]);
taos_unsubscribe(g_queryInfo.specifiedQueryInfo.tsub[pThreadInfo->querySeq], 0);
taos_close(pThreadInfo->taos);
return NULL;

4
src/mnode/src/mnodeTable.c
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@ -2075,7 +2075,9 @@ static int32_t mnodeDoCreateChildTable(SMnodeMsg *pMsg, int32_t tid) {
} else {
if (pTable->info.type == TSDB_SUPER_TABLE) {
int64_t us = taosGetTimestampUs();
pTable->uid = (us << 24) + ((sdbGetVersion() & ((1ul << 16) - 1ul)) << 8) + (taosRand() & ((1ul << 8) - 1ul));
uint64_t x = (us&0x000000FFFFFFFFFF);
x = x<<24;
pTable->uid = x + ((sdbGetVersion() & ((1ul << 16) - 1ul)) << 8) + (taosRand() & ((1ul << 8) - 1ul));
} else {
pTable->uid = (((uint64_t)pTable->vgId) << 48) + ((((uint64_t)pTable->tid) & ((1ul << 24) - 1ul)) << 24) +
((sdbGetVersion() & ((1ul << 16) - 1ul)) << 8) + (taosRand() & ((1ul << 8) - 1ul));