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HyperLogLog: fix the fix of a corruption bug.

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This commit is contained in:
antirez 2019-07-31 10:36:23 +02:00
parent 6ef5a0cbbb
commit 627abf2289
1 changed files with 1 additions and 2 deletions
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3
src/hyperloglog.c
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@ -688,8 +688,7 @@ int hllSparseAdd(robj *o, unsigned char *ele, size_t elesize) {
p += oplen;
first += span;
}
if (span == 0) return -1; /* Invalid format. */
if (span >= end) return -1; /* Invalid format. */
if (span == 0 || p >= end) return -1; /* Invalid format. */
next = HLL_SPARSE_IS_XZERO(p) ? p+2 : p+1;
if (next >= end) next = NULL;