[jdk18] Integrated: 8272058: 25 Null pointer dereference defect groups in 4 files

[Daniel D.Daugherty]

On Mon, 20 Dec 2021 20:50:14 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> A small refactoring to resolve a Parfait complaint about the return value from
> `MacroAssembler::target_addr_for_insn(address insn_addr, unsigned insn)`
> on AARCH64. The logic that supports returning `nullptr` as the target addr for
> a particular instruction is moved from
> `MacroAssembler::target_addr_for_insn(address insn_addr, unsigned insn)` to
> `MacroAssembler::target_addr_for_insn_allow_null_ret(address insn_addr, unsigned insn)`.
> A couple of `target_addr_for_insn()` call sites that can tolerate a `nullptr` are
> converted to use `target_addr_for_insn_allow_null_ret()`.
> 
> This fix has been tested with Mach5 Tier[1-3].

This pull request has now been integrated.

Changeset: f5de6fa7
Author:    Daniel D. Daugherty <dcubed at openjdk.org>
URL:       https://git.openjdk.java.net/jdk18/commit/f5de6fa7995fa1e82c8d969692392465b963ac35
Stats:     22 lines in 3 files changed: 12 ins; 4 del; 6 mod

8272058: 25 Null pointer dereference defect groups in 4 files

Reviewed-by: gziemski, coleenp, dlong

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PR: https://git.openjdk.java.net/jdk18/pull/51