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ringct: prevent a potential very large allocation

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Reported by QuarksLab.
This commit is contained in:
moneromooo-monero 2018-07-24 21:23:08 +01:00
parent a4317e61b5
commit 61632dc166
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GPG key ID: 686F07454D6CEFC3
1 changed files with 2 additions and 2 deletions
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4
src/ringct/rctTypes.h
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@ -317,9 +317,9 @@ namespace rct {
ar.begin_array(); ar.begin_array();
uint32_t nbp = bulletproofs.size(); uint32_t nbp = bulletproofs.size();
FIELD(nbp) FIELD(nbp)
PREPARE_CUSTOM_VECTOR_SERIALIZATION(nbp, bulletproofs); if (nbp > outputs)
if (bulletproofs.size() > outputs)
return false; return false;
PREPARE_CUSTOM_VECTOR_SERIALIZATION(nbp, bulletproofs);
for (size_t i = 0; i < nbp; ++i) for (size_t i = 0; i < nbp; ++i)
{ {
FIELDS(bulletproofs[i]) FIELDS(bulletproofs[i])