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

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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
This commit is contained in:
Wen Hui 2020-07-28 15:05:48 -04:00 committed by GitHub
parent 675b00c7e0
commit 2afa308306
1 changed files with 3 additions and 4 deletions
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7
src/debug.c
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@ -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;