diff options
Diffstat (limited to 'src/wallet/rpcwallet.cpp')
-rw-r--r-- | src/wallet/rpcwallet.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index dda00f1fe7..c2d314140c 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -1892,6 +1892,9 @@ static UniValue walletpassphrase(const JSONRPCRequest& request) }.Check(request); int64_t nSleepTime; + int64_t relock_time; + // Prevent concurrent calls to walletpassphrase with the same wallet. + LOCK(pwallet->m_unlock_mutex); { LOCK(pwallet->cs_wallet); @@ -1929,6 +1932,7 @@ static UniValue walletpassphrase(const JSONRPCRequest& request) pwallet->TopUpKeyPool(); pwallet->nRelockTime = GetTime() + nSleepTime; + relock_time = pwallet->nRelockTime; } // rpcRunLater must be called without cs_wallet held otherwise a deadlock @@ -1940,9 +1944,11 @@ static UniValue walletpassphrase(const JSONRPCRequest& request) // wallet before the following callback is called. If a valid shared pointer // is acquired in the callback then the wallet is still loaded. std::weak_ptr<CWallet> weak_wallet = wallet; - pwallet->chain().rpcRunLater(strprintf("lockwallet(%s)", pwallet->GetName()), [weak_wallet] { + pwallet->chain().rpcRunLater(strprintf("lockwallet(%s)", pwallet->GetName()), [weak_wallet, relock_time] { if (auto shared_wallet = weak_wallet.lock()) { LOCK(shared_wallet->cs_wallet); + // Skip if this is not the most recent rpcRunLater callback. + if (shared_wallet->nRelockTime != relock_time) return; shared_wallet->Lock(); shared_wallet->nRelockTime = 0; } |