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Posted to github@arrow.apache.org by "pitrou (via GitHub)" <gi...@apache.org> on 2026/04/20 12:53:59 UTC
[PR] GH-49803: [C++] Avoid aborting when fuzz-mutated IPC file has less batches [arrow]
pitrou opened a new pull request, #49804:
URL: https://github.com/apache/arrow/pull/49804
### Rationale for this change
The IPC file fuzzer can remove batches from the IPC file footer while the batches do exist physically in the embedded IPC stream.
This causes problem in differential fuzzing, because comparing the results of the IPC stream reader against the IPC file reader then fails.
### What changes are included in this PR?
Skip differential fuzzing against the IPC stream reader if the number of batches read from the IPC file footer is not equal.
### Are these changes tested?
Yes, by existing fuzz regression file.
### Are there any user-facing changes?
No.
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Re: [PR] GH-49803: [C++][CI] Avoid aborting when fuzz-mutated IPC file has less batches [arrow]
Posted by "conbench-apache-arrow[bot] (via GitHub)" <gi...@apache.org>.
conbench-apache-arrow[bot] commented on PR #49804:
URL: https://github.com/apache/arrow/pull/49804#issuecomment-4288648017
After merging your PR, Conbench analyzed the 3 benchmarking runs that have been run so far on merge-commit adecb17f390aded6a2af8f5333ee10bd7a09f07f.
There were no benchmark performance regressions. 🎉
The [full Conbench report](https://github.com/apache/arrow/runs/72317378551) has more details. It also includes information about 4 possible false positives for unstable benchmarks that are known to sometimes produce them.
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Re: [PR] GH-49803: [C++][CI] Avoid aborting when fuzz-mutated IPC file has less batches [arrow]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #49804:
URL: https://github.com/apache/arrow/pull/49804#issuecomment-4281115177
Revision: 2f7386e76375613882181ef37019bc9319a6364d
Submitted crossbow builds: [ursacomputing/crossbow @ actions-cebef960c7](https://github.com/ursacomputing/crossbow/branches/all?query=actions-cebef960c7)
|Task|Status|
|----|------|
|example-cpp-minimal-build-static|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883837/job/72133799881)|
|example-cpp-minimal-build-static-system-dependency|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883541/job/72133798757)|
|example-cpp-tutorial|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883789/job/72133799782)|
|test-build-cpp-fuzz|[](https://github.com/ursacomputing/crossbow/actions/runs/24668884020/job/72133800624)|
|test-conda-cpp|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882185/job/72133793881)|
|test-conda-cpp-valgrind|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882474/job/72133795383)|
|test-debian-13-cpp-amd64|[](https://github.com/ursacomputing/crossbow/actions/runs/24668881814/job/72133793492)|
|test-debian-13-cpp-i386|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883468/job/72133798396)|
|test-debian-experimental-cpp-gcc-15|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883516/job/72133798510)|
|test-fedora-42-cpp|[](https://github.com/ursacomputing/crossbow/actions/runs/24668881778/job/72133792900)|
|test-ubuntu-22.04-cpp|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882885/job/72133796887)|
|test-ubuntu-22.04-cpp-20|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882175/job/72133793974)|
|test-ubuntu-22.04-cpp-bundled|[](https://github.com/ursacomputing/crossbow/actions/runs/24668884152/job/72133801540)|
|test-ubuntu-22.04-cpp-emscripten|[](https://github.com/ursacomputing/crossbow/actions/runs/24668884357/job/72133801793)|
|test-ubuntu-22.04-cpp-no-threading|[](https://github.com/ursacomputing/crossbow/actions/runs/24668884249/job/72133801507)|
|test-ubuntu-24.04-cpp|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882658/job/72133796074)|
|test-ubuntu-24.04-cpp-bundled-offline|[](https://github.com/ursacomputing/crossbow/actions/runs/24668881796/job/72133793184)|
|test-ubuntu-24.04-cpp-gcc-13-bundled|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882353/job/72133794740)|
|test-ubuntu-24.04-cpp-gcc-14|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883043/job/72133797303)|
|test-ubuntu-24.04-cpp-minimal-with-formats|[](https://github.com/ursacomputing/crossbow/actions/runs/24668882084/job/72133793765)|
|test-ubuntu-24.04-cpp-thread-sanitizer|[](https://github.com/ursacomputing/crossbow/actions/runs/24668883014/job/72133797608)|
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Re: [PR] GH-49803: [C++][CI] Avoid aborting when fuzz-mutated IPC file has less batches [arrow]
Posted by "pitrou (via GitHub)" <gi...@apache.org>.
pitrou merged PR #49804:
URL: https://github.com/apache/arrow/pull/49804
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Re: [PR] GH-49803: [C++][CI] Avoid aborting when fuzz-mutated IPC file has less batches [arrow]
Posted by "pitrou (via GitHub)" <gi...@apache.org>.
pitrou commented on PR #49804:
URL: https://github.com/apache/arrow/pull/49804#issuecomment-4281095027
@github-actions crossbow submit -g cpp
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Re: [PR] GH-49803: [C++][CI] Avoid aborting when fuzz-mutated IPC file has less batches [arrow]
Posted by "conbench-apache-arrow[bot] (via GitHub)" <gi...@apache.org>.
conbench-apache-arrow[bot] commented on PR #49804:
URL: https://github.com/apache/arrow/pull/49804#issuecomment-4288607292
After merging your PR, Conbench analyzed the 3 benchmarking runs that have been run so far on merge-commit adecb17f390aded6a2af8f5333ee10bd7a09f07f.
There were no benchmark performance regressions. 🎉
The [full Conbench report](https://github.com/apache/arrow/runs/72316403118) has more details. It also includes information about 4 possible false positives for unstable benchmarks that are known to sometimes produce them.
--
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