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author | John Sully <john@csquare.ca> | 2019-07-29 18:11:52 -0400 |
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committer | antirez <antirez@gmail.com> | 2019-07-30 10:28:14 +0200 |
commit | dce11e658c9c3a29cab5ba87d72fa0a2c4ff13db (patch) | |
tree | 5ad8b6fbfb7e8feadfcfe1721d0a7b06e6268fce | |
parent | 18572a921a8d17881c3de1fc71f56362d63010d9 (diff) | |
download | redis-dce11e658c9c3a29cab5ba87d72fa0a2c4ff13db.tar.gz |
Fix HLL corruption bug
-rw-r--r-- | src/hyperloglog.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/hyperloglog.c b/src/hyperloglog.c index c0f20815c..6b18d1417 100644 --- a/src/hyperloglog.c +++ b/src/hyperloglog.c @@ -698,6 +698,7 @@ int hllSparseSet(robj *o, long index, uint8_t count) { first += span; } if (span == 0) return -1; /* Invalid format. */ + if (span >= end) return -1; /* Invalid format. */ next = HLL_SPARSE_IS_XZERO(p) ? p+2 : p+1; if (next >= end) next = NULL; |