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[TD-6131]<fix> handle mem corrupt

This commit is contained in:
yihaoDeng 2021-08-17 04:18:48 +00:00
parent 9f5df9184a
commit e94bcaf7aa
1 changed files with 7 additions and 2 deletions
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9
src/mnode/src/mnodeDnode.c
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@ -298,7 +298,7 @@ void *mnodeGetDnodeByEp(char *ep) {
while (1) { while (1) {
pIter = mnodeGetNextDnode(pIter, &pDnode); pIter = mnodeGetNextDnode(pIter, &pDnode);
if (pDnode == NULL) break; if (pDnode == NULL) break;
if (strcmp(ep, pDnode->dnodeEp) == 0) { if (strncasecmp(ep, pDnode->dnodeEp, TSDB_EP_LEN) == 0) {
mnodeCancelGetNextDnode(pIter); mnodeCancelGetNextDnode(pIter);
return pDnode; return pDnode;
} }
@ -1199,7 +1199,12 @@ static int32_t mnodeGetVnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pC
SDnodeObj *pDnode = NULL; SDnodeObj *pDnode = NULL;
if (pShow->payloadLen > 0 ) { if (pShow->payloadLen > 0 ) {
pDnode = mnodeGetDnodeByEp(pShow->payload); char ep[TSDB_EP_LEN] = {0};
// not use tstrncpy to make runtime happy
uint16_t len = (pShow->payloadLen + 1) > TSDB_EP_LEN ? TSDB_EP_LEN :(pShow->payloadLen + 1);
strncpy(ep, pShow->payload, len - 1);
pDnode = mnodeGetDnodeByEp(ep);
} else { } else {
void *pIter = mnodeGetNextDnode(NULL, (SDnodeObj **)&pDnode); void *pIter = mnodeGetNextDnode(NULL, (SDnodeObj **)&pDnode);
mnodeCancelGetNextDnode(pIter); mnodeCancelGetNextDnode(pIter);