Merge bitcoin/bitcoin#29509: [26.x] backports and final changes for v26.1rc2v26.1rc2

c68d4d0ac5b8537ba5e1c0c512b807768e1c5c1f [doc] update manual pages for v26.1rc2 (glozow)
bd715bfb3030f392b3b19f9a05aada48e385a0d9 [build] bump version to v26.1rc2 (glozow)
b6d006d2a2b840e4a5af96c8d838e1cf589d3bce update release notes 26.1 (glozow)
fce992b38e59c90babe505eda0d72f05d79eb2f3 fuzz: restrict fopencookie usage to Linux & FreeBSD (fanquake)
40c56a4d1341017b02dcb71882b1b1f03f880b1d test: make sure keypool sizes do not change on `getrawchangeaddress`/`getnewaddress` failures (UdjinM6)
7c82b2758c6bcfb8a94d2086f0d40088286815e8 wallet: Avoid updating `ReserveDestination::nIndex` when `GetReservedDestination` fails (UdjinM6)
b5419ce6b621121bb1a0ec497968eb16cc012c39 p2p: Don't consider blocks mutated if they don't connect to known prev block (Greg Sanders)
0535c253fe71ae9d875827cafed41a8889f4a702 [test] IsBlockMutated unit tests (dergoegge)
8141498f3ad3ae9c42c32346ee73dc7f29e72cb5 [validation] Cache merkle root and witness commitment checks (dergoegge)
0c5c5962cbfdfd532cebc6706d5b838488b89d53 [test] Add regression test for #27608 (dergoegge)
24736350e932799c66c999470fa3837e25576fc7 [net processing] Don't process mutated blocks (dergoegge)
50c0b61a9d562240d5fe4bd79324b0c0e79caa5c [validation] Merkle root malleation should be caught by IsBlockMutated (dergoegge)
aff368fa817b065d99729186d304fff02f6e527b [validation] Introduce IsBlockMutated (dergoegge)
076c67c3aae424e58863dde3bc37cedecc496935 [refactor] Cleanup merkle root checks (dergoegge)
97a1d0a45959a29464ae73087c7a0adcdebd5a61 [validation] Isolate merkle root checks (dergoegge)
4ac0eb543d028379bb2b86ab08bbbb2f9f48d5b1 test: Drop `x` modifier in `fsbridge::fopen` call for mingw builds (Hennadii Stepanov)

Pull request description:

  Includes:
  - #29357
  - #29412
  - #29524
  - #29510
  - #29529

  Also does:
  - update to release notes
  - bump to rc2
  - manpages
  - (no changes to bitcoin.conf)

ACKs for top commit:
  achow101:
    ACK c68d4d0ac5b8537ba5e1c0c512b807768e1c5c1f

Tree-SHA512: 2f8c3dd705e3f9f33403b3cc17e8006510ff827d7dbd609b09732a1669964e9b001cfecdc63d8d8daeb8f39c652e1e4ad0aac873d44d259c21803de85688ed2b

1 files changed, 3 insertions, 1 deletions

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 78febb8195..31372cb3da 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2561,8 +2561,10 @@ util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool int
 
     if (nIndex == -1) {
         CKeyPool keypool;
-        auto op_address = m_spk_man->GetReservedDestination(type, internal, nIndex, keypool);
+        int64_t index;
+        auto op_address = m_spk_man->GetReservedDestination(type, internal, index, keypool);
         if (!op_address) return op_address;
+        nIndex = index;
         address = *op_address;
         fInternal = keypool.fInternal;
     }