8279077: JFR crashes on Linux ppc due to missing crash protector in signal handler

[zhengyu123]

I would like to backport this Linux ppc specific bug to 11u.

The patch fixes potential crashes when jfr try to snapshot stacks of other threads.

The JDK15u patch applies cleanly.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8279077: JFR crashes on Linux ppc due to missing crash protector in signal handler

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/739/head:pull/739
$ git checkout pull/739

Update a local copy of the PR:
$ git checkout pull/739
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/739/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 739

View PR using the GUI difftool:
$ git pr show -t 739

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/739.diff

[bridgekeeper]

👋 Welcome back zgu! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@zhengyu123 This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

8279077: JFR crashes on Linux ppc due to missing crash protector in signal handler

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At the time when this comment was updated there had been no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

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[mlbridge]

Webrevs

• 00: Full (05c086b7)

[zhengyu123]

Approved for integration.

[zhengyu123]

/integrate

[openjdk]

Going to push as commit f7998d6.
Since your change was applied there have been 8 commits pushed to the master branch:

• e1ee008: 8279225: [arm32] C1 longs comparison operation destroys argument registers
• 7e7043e: 8276623: JDK-8275650 accidentally pushed "out" file
• 914fb55: 8279379: GHA: Print tests that are in error
• a96e70c: 8275536: Add test to check that File::lastModified returns same time stamp as Files.getLastModifiedTime
• 2ccf515: 8274658: ISO 4217 Amendment 170 Update
• fb39476: 8239502: [TEST_BUG] Test javax/swing/text/FlowView/6318524/bug6318524.java never fails
• be7343d: 8277342: vmTestbase/nsk/stress/strace/strace004.java fails with SIGSEGV in InstanceKlass::jni_id_for
• de11e6b: 8275650: Problemlist java/io/File/createTempFile/SpecialTempFile.java for Windows 11

Your commit was automatically rebased without conflicts.

[openjdk]

@zhengyu123 Pushed as commit f7998d6.

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