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Merge #14138: wallet: Set encrypted_batch to nullptr after delete. Avoid double free in the case of NDEBUG.

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fa462b3657 wallet: Set encrypted_batch to nullptr after delete. Avoid double free in the case of NDEBUG. (practicalswift)

Pull request description:

  Set `encrypted_batch` to `nullptr` after delete. Avoid double free in the case of `NDEBUG`.

Tree-SHA512: 6f5ab40c82dd8c8713bbf1aacacdc837277c04769807f985248546be1c7ea269813c95379fbef982ac5683a45af0225613460a7446c39673b033f5f5edde2f5a
This commit is contained in:
Wladimir J. van der Laan 2018-09-10 17:58:40 +02:00
commit 6eeac2e628
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1 changed files with 2 additions and 0 deletions
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src/wallet/wallet.cpp
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@ -687,6 +687,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
{
encrypted_batch->TxnAbort();
delete encrypted_batch;
encrypted_batch = nullptr;
// We now probably have half of our keys encrypted in memory, and half not...
// die and let the user reload the unencrypted wallet.
assert(false);
@ -697,6 +698,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
if (!encrypted_batch->TxnCommit()) {
delete encrypted_batch;
encrypted_batch = nullptr;
// We now have keys encrypted in memory, but not on disk...
// die to avoid confusion and let the user reload the unencrypted wallet.
assert(false);