fix leak in error handling of debug populate command (#7062)

valsize was not modified during the for loop below instead of getting from c->argv[4], therefore there is no need to put inside the for loop.. Moreover, putting the check outside loop will also avoid memory leaking, decrRefCount(key) should be called in the original code if we put the check in for loop

(cherry picked from commit c69a9b2f61e0747fabb8120f03c9e2a29b43b472)
This commit is contained in:
Wen Hui 2020-07-28 15:05:48 -04:00 committed by Oran Agra
parent c68b3908a6
commit 4238df5436

View File

@ -591,14 +591,13 @@ NULL
if (getLongFromObjectOrReply(c, c->argv[2], &keys, NULL) != C_OK)
return;
dictExpand(c->db->dict,keys);
long valsize = 0;
if ( c->argc == 5 && getLongFromObjectOrReply(c, c->argv[4], &valsize, NULL) != C_OK )
return;
for (j = 0; j < keys; j++) {
long valsize = 0;
snprintf(buf,sizeof(buf),"%s:%lu",
(c->argc == 3) ? "key" : (char*)c->argv[3]->ptr, j);
key = createStringObject(buf,strlen(buf));
if (c->argc == 5)
if (getLongFromObjectOrReply(c, c->argv[4], &valsize, NULL) != C_OK)
return;
if (lookupKeyWrite(c->db,key) != NULL) {
decrRefCount(key);
continue;