Merge bitcoin/bitcoin#34680: [29.x] Backports

98ea6caed5 doc: update release notes for v29.x (fanquake)
490cd874a4 netif: fix compilation warning in QueryDefaultGatewayImpl() (MarcoFalke)
98af76f875 wallet: rpc: manpage: fix example missing `fee_rate` argument (SomberNight)
532afe909e doc: Update Guix install for Debian/Ubuntu (MarcoFalke)
5910bd3b5d doc: fix broken bpftrace installation link (jayvaliya)

Pull request description:

  Backports:
  * #34093
  * #34510
  * #34561
  * #34671

ACKs for top commit:
  marcofleon:
    ACK 98ea6caed5

Tree-SHA512: 01d4c4e41f27c98c9f37d6140e0be0e2ec21f147dc82fd8652c16c9c09650fea8a8cbd7df2571cb7f108c4178c8eab8ca992a58f42ac6eab5f74bd97e435efb0

contrib/guix/INSTALL.md

@@ -71,13 +71,13 @@ https://repology.org/project/guix/versions
 
 ### Debian / Ubuntu
 
-Guix is available as a distribution package in [Debian
-](https://packages.debian.org/search?keywords=guix) and [Ubuntu
-](https://packages.ubuntu.com/search?keywords=guix).
+Currently, the `guix` package is no longer present in recent Debian or Ubuntu
+repositories. Any other installation option mentioned in this document may be
+used.
 
-To install:
+If you previously installed `guix` via `apt`, you can remove it with:
 ```sh
-sudo apt install guix
+sudo apt purge guix
 ```
 
 ### Arch Linux

contrib/tracing/README.md

@@ -22,7 +22,7 @@ corresponding packages. See [installing bpftrace] and [installing BCC] for more
 information. For development there exist a [bpftrace Reference Guide], a
 [BCC Reference Guide], and a [bcc Python Developer Tutorial].
 
-[installing bpftrace]: https://github.com/iovisor/bpftrace/blob/master/INSTALL.md
+[installing bpftrace]: https://github.com/bpftrace/bpftrace/blob/master/README.md#quick-start
 [installing BCC]: https://github.com/iovisor/bcc/blob/master/INSTALL.md
 [bpftrace Reference Guide]: https://github.com/iovisor/bpftrace/blob/master/docs/reference_guide.md
 [BCC Reference Guide]: https://github.com/iovisor/bcc/blob/master/docs/reference_guide.md

doc/release-notes.md

@@ -1,6 +1,6 @@
-Bitcoin Core version 29.3 is now available from:
+Bitcoin Core version 29.x is now available from:
 
-  <https://bitcoincore.org/bin/bitcoin-core-29.3/>
+  <https://bitcoincore.org/bin/bitcoin-core-29.x/>
 
 This release includes various bug fixes and performance
 improvements, as well as updated translations.
@@ -37,69 +37,26 @@ unsupported systems.
 Notable changes
 ===============
 
-### P2P
+### Net
 
-- #33050 net, validation: don't punish peers for consensus-invalid txs
-- #33723 chainparams: remove dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us
+- #34093 netif: fix compilation warning in QueryDefaultGatewayImpl()
 
-### Validation
+### Doc
 
-- #32473 Introduce per-txin sighash midstate cache for legacy/p2sh/segwitv0 scripts
-- #33105 validation: detect witness stripping without re-running Script checks
-
-### Wallet
-
-- #33268 wallet: Identify transactions spending 0-value outputs, and add tests for anchor outputs in a wallet
-- #34156 wallet: fix unnamed legacy wallet migration failure
-- #34226 wallet: test: Relative wallet failed migration cleanup
-- #34123 wallet: migration, avoid creating spendable wallet from a watch-only legacy wallet
-- #34215 wallettool: fix unnamed createfromdump failure walletsdir deletion
-- #34370 wallet: Additional cleanups for migration, and fixes for createfromdump with BDB
-
-### Mining
-
-- #33475 bugfix: miner: fix `addPackageTxs` unsigned integer overflow
-
-### Build
-
-- #34227 guix: Fix `osslsigncode` tests
-
-### Documentation
-
-- #33623 doc: document capnproto and libmultiprocess deps in 29.x
-
-### Test
-
-- #33612 test: change log rate limit version gate
-
-### Misc
-
-- #32513 ci: remove 3rd party js from windows dll gha job
-- #33508 ci: fix buildx gha cache authentication on forks
-- #33581 ci: Properly include $FILE_ENV in DEPENDS_HASH
-- #34344 ci: update GitHub Actions versions
+- #34510 doc: fix broken bpftrace installation link
+- #34561 wallet: rpc: manpage: fix example missing `fee_rate` argument
+- #34671 doc: Update Guix install for Debian/Ubuntu
 
 Credits
 =======
 
 Thanks to everyone who directly contributed to this release:
 
-- Anthony Towns
-- Antoine Poinsot
-- Ava Chow
-- David Gumberg
-- Eugene Siegel
-- fanquake
-- furszy
 - Hennadii Stepanov
-- ismaelsadeeq
-- luke-jr
-- m3dwards
-- Padraic Slattery
-- Pieter Wuille
-- SatsAndSports
-- sedited
-- willcl-ark
+- jayvaliya
+- MarcoFalke
+- SomberNight
+- ToRyVand
 
 As well as to everyone that helped with translations on
 [Transifex](https://explore.transifex.com/bitcoin/bitcoin/).

src/common/netif.cpp

@@ -29,6 +29,8 @@
 #include <sys/sysctl.h>
 #endif
 
+#include <type_traits>
+
 namespace {
 
 // Linux and FreeBSD 14.0+. For FreeBSD 13.2 the code can be compiled but
@@ -93,7 +95,9 @@ std::optional<CNetAddr> QueryDefaultGatewayImpl(sa_family_t family)
         return std::nullopt;
     }
 
-    for (nlmsghdr* hdr = (nlmsghdr*)response; NLMSG_OK(hdr, recv_result); hdr = NLMSG_NEXT(hdr, recv_result)) {
+    using recv_result_t = std::conditional_t<std::is_signed_v<decltype(NLMSG_HDRLEN)>, int64_t, decltype(NLMSG_HDRLEN)>;
+
+    for (nlmsghdr* hdr = (nlmsghdr*)response; NLMSG_OK(hdr, static_cast<recv_result_t>(recv_result)); hdr = NLMSG_NEXT(hdr, recv_result)) {
         rtmsg* r = (rtmsg*)NLMSG_DATA(hdr);
         int remaining_len = RTM_PAYLOAD(hdr);
 

src/wallet/rpc/spend.cpp

@@ -1279,7 +1279,7 @@ RPCHelpMan send()
         "Send 0.3 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n"
         + HelpExampleCli("-named send", "outputs='{\"" + EXAMPLE_ADDRESS[0] + "\": 0.3}' fee_rate=25\n") +
         "Create a transaction that should confirm the next block, with a specific input, and return result without adding to wallet or broadcasting to the network\n"
-        + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 1 economical '{\"add_to_wallet\": false, \"inputs\": [{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\", \"vout\":1}]}'")
+        + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 1 economical null '{\"add_to_wallet\": false, \"inputs\": [{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\", \"vout\":1}]}'")
         },
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
         {