8343334: JFR crash in JfrEmergencyDump::build_dump_path

[lingjun-cg]

Expect a string value but actually pass an integer value to jio_snprintf which could lead to undefined behavior.
The minor result is the error JFR file path, the major result is JVM crash.

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Progress

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Issue

• JDK-8343334: JFR crash in JfrEmergencyDump::build_dump_path (Bug - P4)

Reviewing

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[openjdk]

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[mlbridge]

Webrevs

• 00: Full (48f294cb)

[phohensee]

Can't you just backport JDK-8261020?

[lingjun-cg]

Can't you just backport JDK-8261020?

OK. The new backport PR : 8261020: Wrong format parameter in create_emergency_chunk_path