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#17656 introduces a panic into TiKV cdc module #18142

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#17656 introduces a panic into TiKV cdc module#18142
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affects-7.1This bug affects the 7.1.x(LTS) versions.affects-7.5This bug affects the 7.5.x(LTS) versions.component/CDCComponent: Change Data Captureimpact/panicreport/communityThe community has encountered this bug.report/customerCustomers have encountered this bug.severity/criticaltype/bugThe issue is confirmed as a bug.type/regression
@hicqu

Description

@hicqu
hicqu
opened on Jan 20, 2025

Bug Report

#17656 filters out entries before loading old value if they are not in observed range.

However, it introduces a bug, which may cause TiKV instance panic incorrectly.

What version of TiKV are you using?

v7.5.5
v7.1.6

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    affects-7.1This bug affects the 7.1.x(LTS) versions.affects-7.5This bug affects the 7.5.x(LTS) versions.component/CDCComponent: Change Data Captureimpact/panicreport/communityThe community has encountered this bug.report/customerCustomers have encountered this bug.severity/criticaltype/bugThe issue is confirmed as a bug.type/regression

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