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Check m_internals in UnregisterValidationInterface

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When a wallet is created it is registered in the validation interface (in
CWallet::CreateWalletFromFile) but it is not immediately added to the
wallets list. If a shutdown is requested before AddWallet (case more
evident when -rescan is set) then m_internals can be released (in
Shutdown -> UnregisterBackgroundSignalScheduler) before the wallet and
then ReleaseWallet would call UnregisterValidationInterface with
m_internals already released.
This commit is contained in:
João Barbosa 2019-01-29 01:08:30 +00:00
parent fd6d499bda
commit 0dd6a8c124
1 changed files with 3 additions and 1 deletions
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4
src/validationinterface.cpp
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@ -107,7 +107,9 @@ void RegisterValidationInterface(CValidationInterface* pwalletIn) {
}
void UnregisterValidationInterface(CValidationInterface* pwalletIn) {
g_signals.m_internals->m_connMainSignals.erase(pwalletIn);
if (g_signals.m_internals) {
g_signals.m_internals->m_connMainSignals.erase(pwalletIn);
}
}
void UnregisterAllValidationInterfaces() {