8300079: SIGSEGV in LibraryCallKit::inline_string_copy due to constant NULL src argument

[TobiHartmann]

Backport of JDK-8300079. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

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Issue

• JDK-8300079: SIGSEGV in LibraryCallKit::inline_string_copy due to constant NULL src argument

Reviewing

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Update a local copy of the PR:
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$ git pull https://git.openjdk.org/jdk20u.git pull/32/head

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$ git pr checkout 32

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[bridgekeeper]

👋 Welcome back thartmann! 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]

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

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

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

8300079: SIGSEGV in LibraryCallKit::inline_string_copy due to constant NULL src argument

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[mlbridge]

Webrevs

• 00: Full (633d7bdc)

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit aae19b3.
Since your change was applied there have been 9 commits pushed to the master branch:

• ac96054: 8302595: use-after-free related to GraphKit::clone_map
• fcd422d: 8302594: use-after-free in Node::destruct
• aa6d177: 8297730: C2: Arraycopy intrinsic throws incorrect exception
• bae3733: 8302172: [JVMCI] HotSpotResolvedJavaMethodImpl.canBeInlined must respect ForceInline
• c0a87a2: 8300823: UB: Compile::_phase_optimize_finished is initialized too late
• b4429d0: 8296389: C2: PhaseCFG::convert_NeverBranch_to_Goto must handle both orders of successors
• 572b05a: 8299259: C2: Div/Mod nodes without zero check could be split through iv phi of loop resulting in SIGFPE
• 760ff6e: 8299179: ArrayFill with store on backedge needs to reduce length by 1
• 71deb0b: 8304871: Use default visibility for static library builds

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit aae19b3.

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