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backport: Merge bitcoin/bitcoin#27608,28583#6

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backport: Merge bitcoin/bitcoin#27608,28583#6
Shailendra53 wants to merge 7 commits intovijaydasmp:developfrom
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bitcoin backport changes

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github-actions bot commented Feb 24, 2026

✅ No Merge Conflicts Detected

This PR currently has no conflicts with other open PRs.

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This pull request has conflicts, please rebase.

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This pull request has conflicts, please rebase.

@Shailendra53 Shailendra53 changed the title Merge bitcoin/bitcoin#27608: p2p: Avoid prematurely clearing download… Merge bitcoin/bitcoin#27608 Feb 24, 2026
@Shailendra53 Shailendra53 changed the title Merge bitcoin/bitcoin#27608 bitcoin/bitcoin#27608 Feb 24, 2026
@Shailendra53 Shailendra53 changed the title bitcoin/bitcoin#27608 backport: Merge bitcoin/bitcoin#27608,28583 Feb 24, 2026
…or other peers

52e5207 p2p: Avoid prematurely clearing download state for other peers (Suhas Daftuar)

Pull request description:

  Avoid letting one peer send us data that clears out the download request (and related timers etc) from another peer.

  The exception is if a block is definitely stored to disk, in which case we'll clear the download state (just as we do for compact blocks).

ACKs for top commit:
  jamesob:
    ACK 52e5207 ([`jamesob/ackr/27608.1.sdaftuar.p2p_avoid_prematurely_cl`](https://github.com/jamesob/bitcoin/tree/ackr/27608.1.sdaftuar.p2p_avoid_prematurely_cl))
  instagibbs:
    ACK 52e5207
  fjahr:
    Code review ACK 52e5207
  mzumsande:
    Code Review ACK 52e5207

Tree-SHA512: 3ee92507edc3303c16c70ca44ba6c28c104afe95196e4b9167032590ed23d4f569f654f8eb8758940bd6536bc9ca810d2a77d2739db386b927e8b3f3cf55cb16
fa05a72 tidy: modernize-use-emplace (MarcoFalke)

Pull request description:

  Constructing a temporary unnamed object only to copy or move it into a container seems both verbose in code and a strict performance penalty.

  Fix both issues via the `modernize-use-emplace` tidy check.

ACKs for top commit:
  Sjors:
    re-utACK fa05a72
  hebasto:
    ACK fa05a72.
  TheCharlatan:
    ACK fa05a72

Tree-SHA512: 4408a094f406e7bf6c1468c2b0798f68f4d952a1253cf5b20bdc648ad7eea4a2c070051fed46d66fd37bce2ce6f85962484a1d32826b7ab8c9baba431eaa2765

Merge bitcoin#28583: refactor: [tidy] modernize-use-emplace

fa05a72 tidy: modernize-use-emplace (MarcoFalke)

Pull request description:

  Constructing a temporary unnamed object only to copy or move it into a container seems both verbose in code and a strict performance penalty.

  Fix both issues via the `modernize-use-emplace` tidy check.

ACKs for top commit:
  Sjors:
    re-utACK fa05a72
  hebasto:
    ACK fa05a72.
  TheCharlatan:
    ACK fa05a72

Tree-SHA512: 4408a094f406e7bf6c1468c2b0798f68f4d952a1253cf5b20bdc648ad7eea4a2c070051fed46d66fd37bce2ce6f85962484a1d32826b7ab8c9baba431eaa2765

Merge bitcoin#28583: refactor: [tidy] modernize-use-emplace

fa05a72 tidy: modernize-use-emplace (MarcoFalke)

Pull request description:

  Constructing a temporary unnamed object only to copy or move it into a container seems both verbose in code and a strict performance penalty.

  Fix both issues via the `modernize-use-emplace` tidy check.

ACKs for top commit:
  Sjors:
    re-utACK fa05a72
  hebasto:
    ACK fa05a72.
  TheCharlatan:
    ACK fa05a72

Tree-SHA512: 4408a094f406e7bf6c1468c2b0798f68f4d952a1253cf5b20bdc648ad7eea4a2c070051fed46d66fd37bce2ce6f85962484a1d32826b7ab8c9baba431eaa2765

Merge bitcoin#28583: refactor: [tidy] modernize-use-emplace

fa05a72 tidy: modernize-use-emplace (MarcoFalke)

Pull request description:

  Constructing a temporary unnamed object only to copy or move it into a container seems both verbose in code and a strict performance penalty.

  Fix both issues via the `modernize-use-emplace` tidy check.

ACKs for top commit:
  Sjors:
    re-utACK fa05a72
  hebasto:
    ACK fa05a72.
  TheCharlatan:
    ACK fa05a72

Tree-SHA512: 4408a094f406e7bf6c1468c2b0798f68f4d952a1253cf5b20bdc648ad7eea4a2c070051fed46d66fd37bce2ce6f85962484a1d32826b7ab8c9baba431eaa2765
004903e test: Add Wallet Unlock Context Manager (Brandon Odiwuor)

Pull request description:

  Fixes bitcoin#28601, see bitcoin#28403 (comment)

  Add Context Manager to manage the locking and unlocking of locked wallets with a passphrase during testing.

ACKs for top commit:
  kevkevinpal:
    lgtm ACK [004903e](bitcoin@004903e)
  maflcko:
    lgtm ACK 004903e

Tree-SHA512: ab234c167e71531df0d974ff9a31d444f7ce2a1d05aba5ea868cc9452f139845eeb24ca058d88f058bc02482b762adf2d99e63a6640b872cc71a57a0068abfe8
vijaydasmp pushed a commit that referenced this pull request Feb 25, 2026
…BlockTx suppression

fa9dc92 test: Add missing CBlockPolicyEstimator::processBlockTx suppression (MarcoFalke)

Pull request description:

  Fixes bitcoin#28865 (comment)

  ```
  # FUZZ=policy_estimator UBSAN_OPTIONS="suppressions=/root/fuzz_dir/scratch/fuzz_gen/code/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1:report_error_type=1" ./src/test/fuzz/fuzz /tmp/crash-154b42214e70781a9c1ad72d3f2693913dcf8c06

  ...

  policy/fees.cpp:632:27: runtime error: implicit conversion from type 'unsigned int' of value 4294574080 (32-bit, unsigned) to type 'int' changed the value to -393216 (32-bit, signed)
      #0 0x55cbbe10daee in CBlockPolicyEstimator::processBlockTx(unsigned int, CTxMemPoolEntry const*) src/policy/fees.cpp:632:27
      #1 0x55cbbe10e361 in CBlockPolicyEstimator::processBlock(unsigned int, std::vector<CTxMemPoolEntry const*, std::allocator<CTxMemPoolEntry const*>>&) src/policy/fees.cpp:680:13
      #2 0x55cbbd84af48 in policy_estimator_fuzz_target(Span<unsigned char const>)::$_1::operator()() const src/test/fuzz/policy_estimator.cpp:69:40
      #3 0x55cbbd84af48 in unsigned long CallOneOf<policy_estimator_fuzz_target(Span<unsigned char const>)::$_0, policy_estimator_fuzz_target(Span<unsigned char const>)::$_1, policy_estimator_fuzz_target(Span<unsigned char const>)::$_2, policy_estimator_fuzz_target(Span<unsigned char const>)::$_3>(FuzzedDataProvider&, policy_estimator_fuzz_target(Span<unsigned char const>)::$_0, policy_estimator_fuzz_target(Span<unsigned char const>)::$_1, policy_estimator_fuzz_target(Span<unsigned char const>)::$_2, policy_estimator_fuzz_target(Span<unsigned char const>)::$_3) src/./test/fuzz/util.h:43:27
      #4 0x55cbbd84af48 in policy_estimator_fuzz_target(Span<unsigned char const>) src/test/fuzz/policy_estimator.cpp:38:9
      #5 0x55cbbda1cc18 in std::function<void (Span<unsigned char const>)>::operator()(Span<unsigned char const>) const /usr/bin/../lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/std_function.h:591:9
      #6 0x55cbbda1cc18 in LLVMFuzzerTestOneInput src/test/fuzz/fuzz.cpp:178:5
      dashpay#7 0x55cbbd26a944 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x190e944) (BuildId: ffb89e0b86c093ca3bdeae6f85537737a4e3b42d)
      dashpay#8 0x55cbbd253916 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x18f7916) (BuildId: ffb89e0b86c093ca3bdeae6f85537737a4e3b42d)
      dashpay#9 0x55cbbd25945a in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x18fd45a) (BuildId: ffb89e0b86c093ca3bdeae6f85537737a4e3b42d)
      dashpay#10 0x55cbbd284026 in main (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x1928026) (BuildId: ffb89e0b86c093ca3bdeae6f85537737a4e3b42d)
      dashpay#11 0x7fe4aa8280cf  (/lib/x86_64-linux-gnu/libc.so.6+0x280cf) (BuildId: 96ab1a8f3b2c9a2ed37c7388615e6a726d037e89)
      dashpay#12 0x7fe4aa828188 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x28188) (BuildId: 96ab1a8f3b2c9a2ed37c7388615e6a726d037e89)
      dashpay#13 0x55cbbd24e494 in _start (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x18f2494) (BuildId: ffb89e0b86c093ca3bdeae6f85537737a4e3b42d)

  SUMMARY: UndefinedBehaviorSanitizer: implicit-integer-sign-change policy/fees.cpp:632:27 in
  ```

  ```
  # base64 /tmp/crash-154b42214e70781a9c1ad72d3f2693913dcf8c06
  AQEAAAAAADkFlVwAAQEAAAAAADkFlZVcACTDSSsP3746IAZrH48khwMAAQEB/QEALQAACwAAAAAA
  FgAAAAAAAQAABgAAAAAAAAAAAAAAAAAAACcQAAAAAAAAAAAAAAAAAAAAAAD6AAAAOQWVXAABAQAA
  AAAAOQWVlVwAIMNJKw/fvjogBmsfjySHAwABAQH9AQAtAAALAAAAAAAAAAABAAAGAAAAAAAAAAAA
  AAAAAAAAJxAAAAAAAAAAAAAAAAAAAAAAAPr/AAAAAAAAAAAAAAQAAAAA/wAAAAAAAAAAAAAEAAAA
  AAEBAeAIAVwBXAAA/jbSBvwBKABSKBwBYgEB2wAEkvXInHYAAAAAAAAAvgAAAAAA/9//6v8e/xIk
  MgAlAiUAOw==

ACKs for top commit:
  fanquake:
    ACK fa9dc92
  dergoegge:
    utACK fa9dc92

Tree-SHA512: 3898c17c928ecc2bcc8c7086359e9ae00da2197b4d8e10c7bf6d12415326c9bca3ef6e1d8d3b83172ccfa604ce7e7371415262ba705225f9ea4da8b1a7eb0306
fanquake and others added 4 commits February 25, 2026 21:14
fa4c683 test: Fix failing time check in rpc_net.py (MarcoFalke)

Pull request description:

  This check fails on slow runners, such as s390x qemu.

  Fix it by using mocktime.

  See bitcoin#28523 (comment)

ACKs for top commit:
  0xB10C:
    ACK fa4c683
  pinheadmz:
    ACK fa4c683
  brunoerg:
    crACK fa4c683

Tree-SHA512: 83fb534682e11e97537dc89de8c16f206f38af1a892a2d5970c02684c05eaea8fc9adba3159f16b2440ca0b3871d513a0562a6f3a38f19a5574a47be0919e42f
fa4c683 test: Fix failing time check in rpc_net.py (MarcoFalke)

Pull request description:

  This check fails on slow runners, such as s390x qemu.

  Fix it by using mocktime.

  See bitcoin#28523 (comment)

ACKs for top commit:
  0xB10C:
    ACK fa4c683
  pinheadmz:
    ACK fa4c683
  brunoerg:
    crACK fa4c683

Tree-SHA512: 83fb534682e11e97537dc89de8c16f206f38af1a892a2d5970c02684c05eaea8fc9adba3159f16b2440ca0b3871d513a0562a6f3a38f19a5574a47be0919e42f
…case. Removing that code to avoid its usage.
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