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owner(ticdc): Fix a nil pointer access bug when appending DataPatches (#4085) #4182

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merged 3 commits into from
Apr 15, 2022
Merged

owner(ticdc): Fix a nil pointer access bug when appending DataPatches (#4085) #4182

merged 3 commits into from
Apr 15, 2022

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This is an automated cherry-pick of #4085

What problem does this PR solve?

Issue Number: close #3128

What is changed and how it works?

Add nil pointer checking when we append DataPatches for ChangefeedReactorState such as PatchInfo, PatchStatus etc.

Check List

Tests

  • Unit test
  • Integration test

Release note 

Fix the potential panic issue that occurs when changefeed info is removed from etcd.

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@ti-chi-bot ti-chi-bot mentioned this pull request Dec 31, 2021
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@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. do-not-merge/cherry-pick-not-approved size/S Denotes a PR that changes 10-29 lines, ignoring generated files. status/LGT2 Indicates that a PR has LGTM 2. type/bugfix This PR fixes a bug. type/cherry-pick-for-release-5.2 This PR is cherry-picked to release-5.2 from a source PR. labels Dec 31, 2021
@ti-chi-bot ti-chi-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Dec 31, 2021
@overvenus overvenus added this to the v5.2.4 milestone Jan 6, 2022
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@ti-chi-bot: PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

@ti-chi-bot ti-chi-bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Jan 16, 2022
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Feb 23, 2022
@ti-chi-bot ti-chi-bot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Apr 15, 2022
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/merge

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This pull request has been accepted and is ready to merge.

Commit hash: 5de0d2b

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 15, 2022
@VelocityLight VelocityLight removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Apr 15, 2022
@ti-chi-bot ti-chi-bot merged commit 5f5fc58 into pingcap:release-5.2 Apr 15, 2022
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cherry-pick-approved Cherry pick PR approved by release team. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. status/can-merge Indicates a PR has been approved by a committer. status/LGT2 Indicates that a PR has LGTM 2. type/bugfix This PR fixes a bug. type/cherry-pick-for-release-5.2 This PR is cherry-picked to release-5.2 from a source PR.
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