[25.x] backports

configure.ac

@@ -2,7 +2,7 @@ AC_PREREQ([2.69])
 define(_CLIENT_VERSION_MAJOR, 25)
 define(_CLIENT_VERSION_MINOR, 2)
 define(_CLIENT_VERSION_BUILD, 0)
-define(_CLIENT_VERSION_RC, 1)
+define(_CLIENT_VERSION_RC, 2)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2023)
 define(_COPYRIGHT_HOLDERS,[The %s developers])

doc/man/bitcoin-cli.1

@@ -1,7 +1,7 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
-.TH BITCOIN-CLI "1" "February 2024" "bitcoin-cli v25.2.0rc1" "User Commands"
+.TH BITCOIN-CLI "1" "March 2024" "bitcoin-cli v25.2.0rc2" "User Commands"
 .SH NAME
-bitcoin-cli \- manual page for bitcoin-cli v25.2.0rc1
+bitcoin-cli \- manual page for bitcoin-cli v25.2.0rc2
 .SH SYNOPSIS
 .B bitcoin-cli
 [\fI\,options\/\fR] \fI\,<command> \/\fR[\fI\,params\/\fR]  \fI\,Send command to Bitcoin Core\/\fR
@@ -15,7 +15,7 @@ bitcoin-cli \- manual page for bitcoin-cli v25.2.0rc1
 .B bitcoin-cli
 [\fI\,options\/\fR] \fI\,help <command>      Get help for a command\/\fR
 .SH DESCRIPTION
-Bitcoin Core RPC client version v25.2.0rc1
+Bitcoin Core RPC client version v25.2.0rc2
 .SH OPTIONS
 .HP
 \-?

doc/man/bitcoin-qt.1

@@ -1,12 +1,12 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
-.TH BITCOIN-QT "1" "February 2024" "bitcoin-qt v25.2.0rc1" "User Commands"
+.TH BITCOIN-QT "1" "March 2024" "bitcoin-qt v25.2.0rc2" "User Commands"
 .SH NAME
-bitcoin-qt \- manual page for bitcoin-qt v25.2.0rc1
+bitcoin-qt \- manual page for bitcoin-qt v25.2.0rc2
 .SH SYNOPSIS
 .B bitcoin-qt
 [\fI\,command-line options\/\fR]
 .SH DESCRIPTION
-Bitcoin Core version v25.2.0rc1
+Bitcoin Core version v25.2.0rc2
 .SH OPTIONS
 .HP
 \-?

doc/man/bitcoin-tx.1

@@ -1,15 +1,15 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
-.TH BITCOIN-TX "1" "February 2024" "bitcoin-tx v25.2.0rc1" "User Commands"
+.TH BITCOIN-TX "1" "March 2024" "bitcoin-tx v25.2.0rc2" "User Commands"
 .SH NAME
-bitcoin-tx \- manual page for bitcoin-tx v25.2.0rc1
+bitcoin-tx \- manual page for bitcoin-tx v25.2.0rc2
 .SH SYNOPSIS
 .B bitcoin-tx
 [\fI\,options\/\fR] \fI\,<hex-tx> \/\fR[\fI\,commands\/\fR]  \fI\,Update hex-encoded bitcoin transaction\/\fR
 .br
 .B bitcoin-tx
 [\fI\,options\/\fR] \fI\,-create \/\fR[\fI\,commands\/\fR]   \fI\,Create hex-encoded bitcoin transaction\/\fR
 .SH DESCRIPTION
-Bitcoin Core bitcoin\-tx utility version v25.2.0rc1
+Bitcoin Core bitcoin\-tx utility version v25.2.0rc2
 .SH OPTIONS
 .HP
 \-?

doc/man/bitcoin-util.1

@@ -1,12 +1,12 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
-.TH BITCOIN-UTIL "1" "February 2024" "bitcoin-util v25.2.0rc1" "User Commands"
+.TH BITCOIN-UTIL "1" "March 2024" "bitcoin-util v25.2.0rc2" "User Commands"
 .SH NAME
-bitcoin-util \- manual page for bitcoin-util v25.2.0rc1
+bitcoin-util \- manual page for bitcoin-util v25.2.0rc2
 .SH SYNOPSIS
 .B bitcoin-util
 [\fI\,options\/\fR] [\fI\,commands\/\fR]  \fI\,Do stuff\/\fR
 .SH DESCRIPTION
-Bitcoin Core bitcoin\-util utility version v25.2.0rc1
+Bitcoin Core bitcoin\-util utility version v25.2.0rc2
 .SH OPTIONS
 .HP
 \-?

doc/man/bitcoin-wallet.1

@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
-.TH BITCOIN-WALLET "1" "February 2024" "bitcoin-wallet v25.2.0rc1" "User Commands"
+.TH BITCOIN-WALLET "1" "March 2024" "bitcoin-wallet v25.2.0rc2" "User Commands"
 .SH NAME
-bitcoin-wallet \- manual page for bitcoin-wallet v25.2.0rc1
+bitcoin-wallet \- manual page for bitcoin-wallet v25.2.0rc2
 .SH DESCRIPTION
-Bitcoin Core bitcoin\-wallet version v25.2.0rc1
+Bitcoin Core bitcoin\-wallet version v25.2.0rc2
 .PP
 bitcoin\-wallet is an offline tool for creating and interacting with Bitcoin Core wallet files.
 By default bitcoin\-wallet will act on wallets in the default mainnet wallet directory in the datadir.

doc/man/bitcoind.1

@@ -1,12 +1,12 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
-.TH BITCOIND "1" "February 2024" "bitcoind v25.2.0rc1" "User Commands"
+.TH BITCOIND "1" "March 2024" "bitcoind v25.2.0rc2" "User Commands"
 .SH NAME
-bitcoind \- manual page for bitcoind v25.2.0rc1
+bitcoind \- manual page for bitcoind v25.2.0rc2
 .SH SYNOPSIS
 .B bitcoind
 [\fI\,options\/\fR]                     \fI\,Start Bitcoin Core\/\fR
 .SH DESCRIPTION
-Bitcoin Core version v25.2.0rc1
+Bitcoin Core version v25.2.0rc2
 .SH OPTIONS
 .HP
 \-?

doc/release-notes.md

@@ -1,9 +1,9 @@
-25.2rc1 Release Notes
+25.2rc2 Release Notes
 ==================
 
-Bitcoin Core version 25.2rc1 is now available from:
+Bitcoin Core version 25.2rc2 is now available from:
 
-  <https://bitcoincore.org/bin/bitcoin-core-25.2/test.rc1>
+  <https://bitcoincore.org/bin/bitcoin-core-25.2/test.rc2>
 
 This release includes various bug fixes and performance
 improvements, as well as updated translations.
@@ -51,6 +51,12 @@ Notable changes
 ### Wallet
 
 - #29176 wallet: Fix use-after-free in WalletBatch::EraseRecords
+- #29510 wallet: `getrawchangeaddress` and `getnewaddress` failures should not affect keypools for descriptor wallets
+
+### P2P and network changes
+
+- #29412 p2p: Don't process mutated blocks
+- #29524 p2p: Don't consider blocks mutated if they don't connect to known prev block
 
 Credits
 =======
@@ -60,6 +66,9 @@ Thanks to everyone who directly contributed to this release:
 - Martin Zumsande
 - Sebastian Falbesoner
 - MarcoFalke
+- UdjinM6
+- dergoegge
+- Greg Sanders
 
 As well as to everyone that helped with translations on
 [Transifex](https://www.transifex.com/bitcoin/bitcoin/).

src/net_processing.cpp

@@ -4629,6 +4629,17 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
 
         LogPrint(BCLog::NET, "received block %s peer=%d\n", pblock->GetHash().ToString(), pfrom.GetId());
 
+        const CBlockIndex* prev_block{WITH_LOCK(m_chainman.GetMutex(), return m_chainman.m_blockman.LookupBlockIndex(pblock->hashPrevBlock))};
+
+        // Check for possible mutation if it connects to something we know so we can check for DEPLOYMENT_SEGWIT being active
+        if (prev_block && IsBlockMutated(/*block=*/*pblock,
+                           /*check_witness_root=*/DeploymentActiveAfter(prev_block, m_chainman, Consensus::DEPLOYMENT_SEGWIT))) {
+            LogPrint(BCLog::NET, "Received mutated block from peer=%d\n", peer->m_id);
+            Misbehaving(*peer, 100, "mutated block");
+            WITH_LOCK(cs_main, RemoveBlockRequest(pblock->GetHash(), peer->m_id));
+            return;
+        }
+
         bool forceProcessing = false;
         const uint256 hash(pblock->GetHash());
         bool min_pow_checked = false;
@@ -4644,7 +4655,6 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
             mapBlockSource.emplace(hash, std::make_pair(pfrom.GetId(), true));
 
             // Check work on this block against our anti-dos thresholds.
-            const CBlockIndex* prev_block = m_chainman.m_blockman.LookupBlockIndex(pblock->hashPrevBlock);
             if (prev_block && prev_block->nChainWork + CalculateHeadersWork({pblock->GetBlockHeader()}) >= GetAntiDoSWorkThreshold()) {
                 min_pow_checked = true;
             }

src/primitives/block.h

@@ -71,8 +71,10 @@ class CBlock : public CBlockHeader
     // network and disk
     std::vector<CTransactionRef> vtx;
 
-    // memory only
-    mutable bool fChecked;
+    // Memory-only flags for caching expensive checks
+    mutable bool fChecked;                            // CheckBlock()
+    mutable bool m_checked_witness_commitment{false}; // CheckWitnessCommitment()
+    mutable bool m_checked_merkle_root{false};        // CheckMerkleRoot()
 
     CBlock()
     {
@@ -96,6 +98,8 @@ class CBlock : public CBlockHeader
         CBlockHeader::SetNull();
         vtx.clear();
         fChecked = false;
+        m_checked_witness_commitment = false;
+        m_checked_merkle_root = false;
     }
 
     CBlockHeader GetBlockHeader() const