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Add size check on meta.key_origin.path

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Resolves segfault on legacy wallet

Log warning when meta.key_origin.path is below expected size
This commit is contained in:
Rob Fielding 2021-10-14 17:32:05 +13:00 committed by Andrew Chow
parent 577bd51a4b
commit 0652ee73ec
1 changed files with 11 additions and 4 deletions
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7
src/wallet/scriptpubkeyman.cpp
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@ -382,6 +382,12 @@ std::vector<WalletDestination> LegacyScriptPubKeyMan::MarkUnusedAddresses(const
if (it != mapKeyMetadata.end()){
CKeyMetadata meta = it->second;
if (!meta.hd_seed_id.IsNull() && meta.hd_seed_id != m_hd_chain.seed_id) {
if (meta.key_origin.path.size() < 3) {
WalletLogPrintf("%s: Adding inactive seed keys failed, insufficient path size: %d, has_key_origin: %s\n",
__func__,
meta.key_origin.path.size(),
meta.has_key_origin);
} else {
bool internal = (meta.key_origin.path[1] & ~BIP32_HARDENED_KEY_LIMIT) != 0;
int64_t index = meta.key_origin.path[2] & ~BIP32_HARDENED_KEY_LIMIT;
@ -391,6 +397,7 @@ std::vector<WalletDestination> LegacyScriptPubKeyMan::MarkUnusedAddresses(const
}
}
}
}
return result;
}