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extra sanity check for integer overflow.

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git-svn-id: file:///svn/unbound/trunk@3368 be551aaa-1e26-0410-a405-d3ace91eadb9
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Wouter Wijngaards 2015-03-17 16:22:04 +00:00
parent 6c6ef98b38
commit e9e1b464a6
1 changed files with 1 additions and 0 deletions
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util/data/msgreply.c
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@ -87,6 +87,7 @@ construct_reply_info_base(struct regional* region, uint16_t flags, size_t qd,
/* rrset_count-1 because the first ref is part of the struct. */
size_t s = sizeof(struct reply_info) - sizeof(struct rrset_ref) +
sizeof(struct ub_packed_rrset_key*) * total;
if(total >= 0xffffff) return NULL; /* sanity check on numRRS*/
if(region)
rep = (struct reply_info*)regional_alloc(region, s);
else rep = (struct reply_info*)malloc(s +