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fix(crashtracking): handle new lines in client submitted exception message#1836

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gh-worker-dd-mergequeue-cf854d[bot] merged 3 commits intomainfrom
gyuheon0h/PROF-14177-handle-newline-msg
Apr 1, 2026
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fix(crashtracking): handle new lines in client submitted exception message#1836
gh-worker-dd-mergequeue-cf854d[bot] merged 3 commits intomainfrom
gyuheon0h/PROF-14177-handle-newline-msg

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@gyuheon0h
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@gyuheon0h gyuheon0h commented Apr 1, 2026

What does this PR do?

Escapes new lines from API consumer submitted unhandled exception message, then unescapes it when writing the report. This is necessary, because API consumers can submit arbitrary exception messages, and if they contain new lines, the receiver state machine parsing breaks as it depends on chunks of data being sent as lines.

Motivation

This crash log has no message because the exception message being sent has new lines in it

Additional Notes

I've looked at other places where API consumers submit raw strings that we just pass in raw, and I cannot find other plausible places where this could be an issue

How to test the change?

Bin_test updated to include a new line in the input to the unhandled exception API

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gyuheon0h commented Apr 1, 2026

@gyuheon0h gyuheon0h changed the title Handle newlines fix(crashtracking): handle new lines in client submitted exception message Apr 1, 2026
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github-actions bot commented Apr 1, 2026

Clippy Allow Annotation Report

Comparing clippy allow annotations between branches:

Summary by Rule

Rule Base Branch PR Branch Change

Annotation Counts by File

File Base Branch PR Branch Change

Annotation Stats by Crate

Crate Base Branch PR Branch Change
clippy-annotation-reporter 5 5 No change (0%)
datadog-ffe-ffi 1 1 No change (0%)
datadog-ipc 20 20 No change (0%)
datadog-live-debugger 6 6 No change (0%)
datadog-live-debugger-ffi 10 10 No change (0%)
datadog-profiling-replayer 4 4 No change (0%)
datadog-remote-config 3 3 No change (0%)
datadog-sidecar 55 55 No change (0%)
libdd-common 10 10 No change (0%)
libdd-common-ffi 12 12 No change (0%)
libdd-data-pipeline 5 5 No change (0%)
libdd-ddsketch 2 2 No change (0%)
libdd-dogstatsd-client 1 1 No change (0%)
libdd-profiling 13 13 No change (0%)
libdd-telemetry 19 19 No change (0%)
libdd-tinybytes 4 4 No change (0%)
libdd-trace-normalization 2 2 No change (0%)
libdd-trace-obfuscation 8 8 No change (0%)
libdd-trace-utils 15 15 No change (0%)
Total 195 195 No change (0%)

About This Report

This report tracks Clippy allow annotations for specific rules, showing how they've changed in this PR. Decreasing the number of these annotations generally improves code quality.

@gyuheon0h gyuheon0h marked this pull request as ready for review April 1, 2026 14:20
@gyuheon0h gyuheon0h requested a review from a team as a code owner April 1, 2026 14:20
@gyuheon0h gyuheon0h requested a review from gleocadie April 1, 2026 14:20
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datadog-official bot commented Apr 1, 2026

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage (details)
Patch Coverage: 28.57%
Overall Coverage: 71.48% (-0.03%)

This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 984afb9 | Docs | Datadog PR Page | Was this helpful? React with 👍/👎 or give us feedback!

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codecov-commenter commented Apr 1, 2026

Codecov Report

❌ Patch coverage is 28.57143% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.48%. Comparing base (4ee2470) to head (984afb9).

Additional details and impacted files
@@                       Coverage Diff                        @@
##           gyuheon0h/fix-stale-prebuild    #1836      +/-   ##
================================================================
- Coverage                         71.50%   71.48%   -0.03%     
================================================================
  Files                               426      426              
  Lines                             67096    67100       +4     
================================================================
- Hits                              47978    47965      -13     
- Misses                            19118    19135      +17     
Components Coverage Δ
libdd-crashtracker 65.97% <33.33%> (-0.04%) ⬇️
libdd-crashtracker-ffi 34.09% <ø> (ø)
libdd-alloc 98.77% <ø> (ø)
libdd-data-pipeline 86.20% <ø> (ø)
libdd-data-pipeline-ffi 72.22% <ø> (ø)
libdd-common 79.94% <ø> (ø)
libdd-common-ffi 73.87% <ø> (ø)
libdd-telemetry 62.78% <ø> (ø)
libdd-telemetry-ffi 16.75% <ø> (ø)
libdd-dogstatsd-client 82.64% <ø> (ø)
datadog-ipc 70.31% <ø> (-2.25%) ⬇️
libdd-profiling 82.05% <ø> (+0.01%) ⬆️
libdd-profiling-ffi 64.94% <ø> (ø)
datadog-sidecar 31.38% <ø> (+0.03%) ⬆️
datdog-sidecar-ffi 11.84% <ø> (ø)
spawn-worker 54.69% <ø> (ø)
libdd-tinybytes 93.16% <ø> (ø)
libdd-trace-normalization 81.71% <ø> (ø)
libdd-trace-obfuscation 87.24% <ø> (ø)
libdd-trace-protobuf 68.25% <ø> (ø)
libdd-trace-utils 88.73% <ø> (ø)
datadog-tracer-flare 86.88% <ø> (ø)
libdd-log 74.69% <ø> (ø)
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@gyuheon0h
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Gonna verify end to end before merging this

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@gleocadie gleocadie left a comment

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LGTM

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dd-octo-sts bot commented Apr 1, 2026

Artifact Size Benchmark Report

aarch64-alpine-linux-musl
Artifact Baseline Commit Change
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aarch64-unknown-linux-gnu
Artifact Baseline Commit Change
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libdatadog-x64-windows
Artifact Baseline Commit Change
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/libdatadog-x64-windows/release/static/datadog_profiling_ffi.lib 61.33 MB 61.33 MB 0% (0 B) 👌
libdatadog-x86-windows
Artifact Baseline Commit Change
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/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.lib 81.94 KB 81.94 KB 0% (0 B) 👌
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@gyuheon0h
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/merge

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gh-worker-devflow-routing-ef8351 bot commented Apr 1, 2026

View all feedbacks in Devflow UI.

2026-04-01 15:25:48 UTC ℹ️ Start processing command /merge


2026-04-01 15:25:52 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in main is approximately 45m (p90).


2026-04-01 15:49:39 UTC ⚠️ MergeQueue: This merge request build was cancelled

gyuheon.oh@datadoghq.com cancelled this merge request build

@gyuheon0h gyuheon0h changed the base branch from main to graphite-base/1836 April 1, 2026 17:51
@gyuheon0h gyuheon0h force-pushed the gyuheon0h/PROF-14177-handle-newline-msg branch from 70768f7 to 1aa5b50 Compare April 1, 2026 17:51
@gyuheon0h gyuheon0h changed the base branch from graphite-base/1836 to gyuheon0h/fix-stale-prebuild April 1, 2026 17:51
@gyuheon0h gyuheon0h force-pushed the gyuheon0h/PROF-14177-handle-newline-msg branch from 1aa5b50 to 984afb9 Compare April 1, 2026 17:58
Base automatically changed from gyuheon0h/fix-stale-prebuild to main April 1, 2026 19:25
@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d bot requested a review from a team as a code owner April 1, 2026 19:25
@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d bot merged commit 02d95c0 into main Apr 1, 2026
121 checks passed
@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d bot deleted the gyuheon0h/PROF-14177-handle-newline-msg branch April 1, 2026 20:13
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3 participants