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| author | antirez <antirez@gmail.com> | 2019-07-31 10:36:23 +0200 |
|---|---|---|
| committer | antirez <antirez@gmail.com> | 2019-07-31 10:37:03 +0200 |
| commit | 627abf2289cca0045ca41325d7cf249577baaaf9 (patch) | |
| tree | 0f00cba8cabb9922f16064e4be6801fdc4055441 | |
| parent | 6ef5a0cbbb464ef4f113153f47a7fc6950a6ce77 (diff) | |
| download | redis-3.2.tar.gz | |
HyperLogLog: fix the fix of a corruption bug.3.2
| -rw-r--r-- | src/hyperloglog.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/hyperloglog.c b/src/hyperloglog.c index e807e246f..de25cc991 100644 --- a/src/hyperloglog.c +++ b/src/hyperloglog.c @@ -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; |