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9abf595122
Fix issue detected byCoverity:
*** CID 1197756: Bad bit shift operation (BAD_SHIFT)
/src/util-rohash.c: 74 in ROHashInit()
68 }
69 if (hash_bits < 4 || hash_bits > 32) {
70 SCLogError(SC_ERR_HASH_TABLE_INIT, "invalid hash_bits setting, valid range is 4-32");
71 return NULL;
72 }
73
>>> CID 1197756: Bad bit shift operation (BAD_SHIFT)
>>> In expression "1U << hash_bits", left shifting by more than 31 bits has undefined behavior. The shift amount, "hash_bits", is as much as 32.
74 uint32_t size = hashsize(hash_bits) * sizeof(ROHashTableOffsets);
75
76 ROHashTable *table = SCMalloc(sizeof(ROHashTable) + size);
77 if (unlikely(table == NULL)) {
78 SCLogError(SC_ERR_HASH_TABLE_INIT, "failed to alloc memory");
79 return NULL;
This was only a potential issue as ROHashInit was only called with
hash_bits 16 in the code.
Bug #1170.
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